CN101694776A

CN101694776A - Suction disk loading device and optical pickup unit core of same

Info

Publication number: CN101694776A
Application number: CN200910309477A
Authority: CN
Inventors: 秦志尚; 谈捷; 张志勇; 嵇一平; 钱粉平; 冯叶飞; 徐胜健
Original assignee: JIANGSU SHINCO DIGITAL TECHNOLOGY Co Ltd
Current assignee: Changzhou Wujin Wu Xin Asset Management Co., Ltd.
Priority date: 2009-09-29
Filing date: 2009-11-10
Publication date: 2010-04-14
Anticipated expiration: 2029-11-10
Also published as: CN101694776B

Abstract

The invention relates to a suction disk loading device and an optical pickup unit core of the suction disk loading device. The optical pickup unit core is used for reading optical disks of two systems, and comprises a main shaft motor, a first optical pickup unit driver and a second optical pickup unit driver, wherein the main shaft motor is arranged in the center of a bottom plate, and the first and the second optical pickup unit drivers are respectively arranged below the bottom plate and at the left and the right of the main shaft motor. The suction disk loading device comprises the optical pickup unit core, upper cover assemblies, a disk delivery mechanism, control assemblies, a driving mechanism and disk pressing assemblies. The upper cover assemblies are fixed on the bottom plate of the optical pickup unit core. The disk delivery mechanism that is arranged on the upper cover assemblies is a marginal elastically-holding rolling disk-delivery link mechanism, and comprises a link mechanism, a primary roller and a subsidiary roller. A front-side power output member of the driving mechanism is fixedly connected with the primary roller, and a rear-side power output member of the driving mechanism is matched with a controller in the control assemblies. The invention can be used for broadcasting the disks of two different systems, has the advantages of compact structure, high reliability, and causes small damage to the disks.

Description

Suction type disk loading device and optical pickup unit core thereof

Technical field

The present invention relates to a kind of parts of CD player.

Background technology

It is that the red laser of 650nm reads or write data that traditional DVD needs shaven head send wavelength.Blu-ray Disc (Blu-ray Disc) is abbreviated as BD, and it utilizes wavelength to read and write data for the short blue laser of 405nm.As a rule the short more laser of wavelength can write down or read more information on unit area, and therefore, the blue light the earth has improved the memory capacity of CD, has caused the qualitative leap of optical storage product.

The high-resolution disc of China CBHD (Chinese blue light high-resolution disc) by name is the blue light beam laser disc product of another kind of digital light saving format, its used CD is similar to BD, all are optical digital storing medias of common CD size, use the blue light of 405 nano wave lengths equally.Difference is that CBHD only needs to transform a little just can produce, and can maximally utilise existing industry basis on DVD production line basis, cost is lower.Nowadays, China is domestic is the situation of CBHD and BD coexistence.

Because CBHD and BD are incompatible.At present, still there is not both can play the disk player that CBHD also can play BD.Invent a kind of optical pickup unit core, can play the CD of two kinds of incompatible standards, both can play the technical barrier that CBHD also can play BD solving disk player.

When two light pickers were arranged to an optical pickup unit core, for the general disk loading device of employing of our usual institute, because of pallet has certain thickness, the distribution of two light pickers can not be avoided the warehouse entry route of pallet, caused the pallet can't warehouse entry.For the roller suction type disk loading device, advance to coil the decline of rear roller axle and separate with CD.Because the drive unit of a sidelight pick-up has taken the decline space of roller shaft, causes the roller shaft cisco unity malfunction.

Summary of the invention

An object of the present invention is to provide a kind of optical pickup unit core that can be used to play the CD of two kinds of different systems.

Another object of the present invention provides a kind of compact conformation, reliability height, less and can be used for playing the suction type disk loading device of the CD of two kinds of different systems to the CD damage.

The technical scheme that realizes the object of the invention is: optical pickup unit core of the present invention comprises base, spindle motor, turntable assembly and slider block; Base comprises base plate and antivibration pad Connection Block; The turntable of turntable assembly is fixed on the upper end of motor shaft of spindle motor; Each slider block is separately fixed on the base plate, and is positioned at the below of base plate;

Optical pickup unit core also comprises first optical pick-up device driving parts and second optical pick-up device driving parts that all is arranged on the base plate and is positioned at floor below;

Have CD on the base plate and read the hole; The spindle motor of spindle motor assembly is fixed on the base plate by its motor casing, perhaps be fixedly connected on the plate body that is fixed in the motor mounting plate on the base plate, and spindle motor is positioned at the central part of base plate;

First optical pick-up device driving parts comprises that first light picker, the first main slide bar, the first secondary slide bar, the first slide bar installation component and first slide gear train; First optical pick-up device driving parts is positioned at the left side of spindle motor, and its first light picker reads the hole from the CD of base plate and upwards exposes; The two ends of the first main slide bar and the first secondary slide bar are separately positioned in the corresponding slider block, and the first main slide bar and the first secondary slide bar are positioned on the base plate by the first slide bar installation component elasticity; First slides gear train is arranged on the base plate from the below, and is positioned at the rear of the first main slide bar; First light picker horizontally slips with the first secondary slide bar with the first main slide bar and is connected; The power output that the power input component of first light picker and first slides gear train is connected movingly;

Second group of optical pick-up device driving parts comprises that second light picker, the second main slide bar, the second secondary slide bar, the second slide bar installation component and second slide gear train; Second group of optical pick-up device driving parts is positioned at the right side of spindle motor, and its second light picker reads the hole from the CD of base plate and upwards exposes; The two ends of the second main slide bar and the second secondary slide bar are separately positioned in the slider block, and the second main slide bar and the second secondary slide bar are positioned on the base plate by the second slide bar installation component elasticity; Second slides gear train is arranged on the base plate from the below, and is positioned at the place ahead of the second main slide bar; Second light picker horizontally slips with the second secondary slide bar with the second main slide bar and is connected; The power output that the power input component of second light picker and first slides gear train is connected movingly.

The spindle motor of above-mentioned spindle motor assembly is a brushless electric machine; Spindle motor is fixedly connected on the plate body that is fixed in the motor mounting plate on the base plate by its motor casing; CD on the base plate reads Kong Weiyi strip medium pore;

Spindle motor assembly also comprises 3 to 4 motor mounting plate joint pins; Motor mounting plate is fixed on the base plate from the below by each motor mounting plate joint pin, and motor mounting plate strides across the medium pore of the strip of base on fore-and-aft direction; Spindle motor is fixed on the motor mounting plate by its bottom, and is positioned at the top center position of motor mounting plate; The motor shaft of spindle motor passes the strip medium pore of base plate.

Above-mentioned slider block has 6, is divided into slider block in the left slider block in back, the back, the right slider block in back, preceding left slider block, preceding middle slider block and preceding right slider block according to the position that distributes; Each slider block is equipped with the compression spring hole that axis normal is provided with; Back left slider block and preceding left slider block are equipped with that Open Side Down and slide bar chamber to the right; Back right slider block and preceding right slider block are equipped with that Open Side Down and slide bar chamber left; Slider block is provided with that Open Side Down and slide bar chamber to the right in the back, and the front middle part slider block is provided with that Open Side Down and slide bar chamber left;

The first slide bar installation component comprise the first main slide bar vertically to stage clip, the left flap in back, 3 adjust screw, the first main slide bar level in stage clip, back seat board, stop screw, 2 first secondary slide bar stage clips, preceding left flap, preceding in flap; The first main slide bar, the first secondary slide bar and the first slide bar installation component have together constituted first group of slide bar assembly;

The first main slide bar vertically is arranged in the compression spring hole of the left slider block in back to stage clip, and its upper end contacts with the lower surface of base plate; The left end of the first main slide bar stretches in the slide bar chamber of the left slider block in back, and contacts with the vertical lower end to stage clip of the first main slide bar of top; By screw the left flap in back is fixed on the left slider block in back from the below, and one adjusted screw and screw from bottom to top on the left flap in back, and withstand on from bottom to top on the first main slide bar by its tail end; Seat board is fixed on from the below the back on the slider block by screw in the back, and is arranged in the front end of back slider block; The upside of the right-hand member head of the first main slide bar contacts with the lower surface of seat board in the back, the first main slide bar level is on the direction stage clip post forward of rear sleeve slider block in the back of stage clip, its rear end contacts with slider block in the back, the first main slide bar level withstands on the right-hand member head rear side of the first main slide bar to the front end of stage clip, stop screw screws in the back on the seat board from bottom to top, and carries out spacing by the rear side of its double-screw bolt and the frustum cone side of head to the downside and the front side of the right-hand member head of the first main slide bar;

2 first secondary slide bar stage clips are vertical respectively to being arranged on before in the corresponding compression spring hole of left slider block and preceding middle slider block, and their upper ends separately contact with the lower surface of base plate; Before the left end of the first secondary slide bar stretches in the slide bar chamber of left slider block, and contact with the lower end of the first secondary slide bar stage clip of top; Before by screw preceding left flap being fixed on from the below on the left slider block, and one adjusted screw and screw from bottom to top on preceding left flap, and withstood on from bottom to top on the first secondary slide bar by its tail end; In before the right-hand member of the first secondary slide bar stretches in the slide bar chamber of slider block, and contact with the lower end of the first secondary slide bar stage clip of top; With on the slider block flap in preceding is before the below is fixed on, and adjustment screw screws in preceding on the flap from bottom to top by screw, and withstood on from bottom to top on the first secondary slide bar by its tail end;

The second slide bar installation component comprise the second main slide bar vertically to stage clip, preceding right flap, 3 adjust screw, the second main slide bar level to stage clip, preceding in seat board, stop screw, 2 second secondary slide bar stage clips, the right flap in back, back in flap; The second main slide bar, the second secondary slide bar and the second slide bar installation component have together constituted second group of slide bar assembly;

The second main slide bar vertically in the compression spring hole of right slider block, contacts with the lower surface of base plate on it before stage clip is arranged on; The right-hand member of the second main slide bar stretches in the slide bar chamber of preceding right slider block, and contacts with the vertical lower end to stage clip of the second main slide bar of top; Before by screw preceding right flap being fixed on from the below on the right slider block, and one adjusted screw and screw from bottom to top on preceding right flap, and withstood on from bottom to top on the second main slide bar by its tail end; Before in seat board by screw is before the below is fixed on the slider block, and be arranged in the front end of preceding slider block; The upside of the left end head of the second main slide bar contacts with the lower surface of preceding middle seat board, on the direction stage clip post backward of the second main slide bar level middle slider block before the front portion of stage clip is enclosed within, its front end contacts with preceding middle slider block, the second main slide bar level withstands on the left end head front side of the second main slide bar to the rear end of stage clip, seat board screws in preceding on the slider block in before stop screw passes from bottom to top, and carries out spacing by the frustum cone side of the front side of its double-screw bolt and head to the downside and the rear side of the left end head of the second main slide bar;

Vertically in being arranged on right slider block in back and back in the corresponding compression spring hole of slider block, their upper ends separately contact with the lower surface of base plate respectively for 2 second secondary slide bar stage clips; The right-hand member of the second secondary slide bar stretches in the slide bar chamber of the right slider block in back, and contacts with the lower end of the second secondary slide bar stage clip of top; By screw the right flap in back is fixed on the right slider block in back from the below, and one adjusted screw and screw from bottom to top on preceding left flap, and withstand on from bottom to top on the second secondary slide bar by its tail end; The left end of the second secondary slide bar stretches in the back in the slide bar chamber of slider block, and contacts with the lower end of the second secondary slide bar stage clip of top; By screw will the back in flap be fixed on from the below the back on the slider block, and one adjusted screw and screw from bottom to top in the back on the flap, and withstood on from bottom to top on the second secondary slide bar by its tail end.

Above-mentioned first slides gear train comprises first stepper motor, first screw mandrel, first motor mount and first flexible printed circuit board; First screw mandrel is the first power output that slides gear train, also is the motor shaft of first stepper motor, and first stepper motor is fixed on first motor mount by its motor casing, and the right-hand member head of first screw mandrel and first motor mount are rotationally connected; The control signal output ends of first flexible printed circuit board is electrically connected with the control end of first stepper motor; By screw first motor mount is fixed on the base plate from the below, and is positioned at the rear of the first main slide bar;

Above-mentioned second slides gear train comprises second stepper motor, second screw mandrel, second motor mount and second flexible printed circuit board; Second screw mandrel is the second power output that slides gear train, also is the motor shaft of second stepper motor, and second stepper motor is fixed on second motor mount by its motor casing, and the right-hand member head of second screw mandrel and second motor mount are rotationally connected; The control signal output ends of second flexible printed circuit board is electrically connected with the second Stepping Motor Control end; By screw second motor mount is fixed on the base plate from the below, and is positioned at the rear of the second main slide bar.

The light picker of above-mentioned first light picker for matching with a kind of CD of standard and using, the light picker of second light picker for matching and use with the CD of another kind of standard;

First light picker comprises light picker main body, back linking arm, preceding linking arm, first feed screw nut and the first buffering stage clip; The shell of back linking arm and preceding linking arm and light picker main body is connected as a single entity, and the back linking arm is positioned at the rear side of light picker main body, and preceding linking arm is positioned at the front side of light picker main body; The direction of the optical lens of light picker main body upwards; The back linking arm of first light picker is enclosed within on the first main slide bar, and horizontally slips with the first main slide bar and to be connected; The preceding linking arm of first light picker is contacted with the first secondary slide bar by following three directions in last back, and is stuck on the first secondary slide bar; First feed screw nut is the power input component of first light picker, first feed screw nut comprises mount pad and is connected the opening deckle board spare up of mount pad back side top, the rear end face of the back side panel of deckle board spare is provided with thread, and first feed screw nut is meshed with first screw mandrel at rear by its thread; First feed screw nut's mount pad from upper fixed the back linking arm on; The first buffering stage clip is arranged between first feed screw nut's the front side deckle board and back side panel of deckle board spare;

Second light picker comprises light picker main body, preceding linking arm, back linking arm, second feed screw nut and the second buffering stage clip; Before the shell of linking arm and back linking arm and light picker main body be connected as a single entity, and preceding linking arm is positioned at the front side of light picker main body, back linking arm is positioned at the rear side of light picker main body; The direction of the optical lens of light picker main body upwards; The preceding linking arm of second light picker is enclosed within on the second main slide bar, and horizontally slips with the second main slide bar and to be connected; The back linking arm of second light picker is contacted with the second secondary slide bar by following three directions of going forward, and is stuck on the second secondary slide bar; Second feed screw nut is the power input component of second light picker, second feed screw nut comprises mount pad and is connected the opening deckle board spare up of top, mount pad front side, the front end face of the front side board of the deckle board of deckle board spare is provided with thread, and second feed screw nut is meshed with second screw mandrel in the place ahead by its thread; Second feed screw nut's mount pad from upper fixed on preceding linking arm; The second buffering stage clip is arranged between second feed screw nut's the rear side deckle board and front side board of deckle board spare.

Above-mentioned first light picker also comprises first contact; Second light picker also comprises the second wafer; Spindle motor assembly also comprises first switch and second switch;

First contact from upper fixed on first feed screw nut's front side frame; The second wafer from upper fixed on second feed screw nut's rear frame;

First switch is fixed on the motor mounting plate, and is positioned at the left back position, top of motor mounting plate, and switch contact stretches out left; Second switch is fixed on the motor mounting plate, and is positioned at the right front position, top of motor mounting plate, and switch contact stretches out to the right.

Suction type disk loading device of the present invention comprises turnover disc mechanism, Control Component, gear train, optical pickup unit core and platen assembly; Optical pickup unit core comprises base, spindle motor, turntable assembly and slider block; Base comprises base plate and antivibration pad Connection Block; The turntable of turntable assembly is fixed on the upper end of motor shaft of spindle motor; The platen assembly comprises platen support and the platen that is automatically connected on the platen support; Platen is in the corresponding position of turntable assembly with optical pickup unit core; Each slider block is separately fixed on the base plate, and is positioned at the below of base plate;

Also comprise cover assembly; Cover assembly comprises upper cover plate; Cover assembly and platen support all are arranged on the base of optical pickup unit core from the top, and the platen support is positioned at the rear of cover assembly;

The turnover disc mechanism is arranged on the cover assembly; The turnover disc mechanism is an edge resilient clamp tumbling-type turnover dish link gear, and the opposite side edge of chucking optical disk and the secondary rolling wheel that rolls and contact with CD when the turnover disc mechanism comprises link gear, one lateral edges of chucking optical disk and the master file wheel of carrying CD of rolling are with the use that is positioned at the link gear other end when being positioned at the use of link gear one end; Link gear can be in open configuration or rounding state in use; The turnover disc mechanism comprises that also the link gear that makes that is connected between link gear and the upper cover plate tends to the turnover dish extension spring of rounding state;

Gear train comprises front side power output that is arranged on the turnover disc mechanism and the rear side power output that is arranged on the cover assembly; The front side power output of gear train is fixedlyed connected with the master file wheel of turnover disc mechanism;

Control Component comprises that CD touches part, transition control piece and control piece; CD touches part and is rotatably connected on the platen support, and CD can touch part with CD and contacts when using; The transition control piece is arranged on the control piece, and CD touches part and can contact with the transition control piece during use, and the transition control piece can make control piece match with the rear side power output of gear train; Control piece be according to can being arranged on the upper cover plate with respect to the mode of sliding before and after the upper cover plate, and control piece can be in the unloading position at rear or be in the loading position in the place ahead in the use, perhaps between unloading position and loading position with respect to sliding before and after the upper cover plate; When control piece is in loading position, can make that this device is in stress state; Control Component also comprises the control piece extension spring that is connected between platen assembly and the control piece; In the use, when the rear side power output of gear train was thrown off with the cooperating of control piece, the control piece extension spring made control piece get back to unloading position, thereby can make that this device is in unloaded state;

The upper cover plate of above-mentioned cover assembly is a steel punching press integral piece, comprise substrate, be positioned at the substrate forward edge front side board, be positioned at substrate the posterior edges right part first fixing feet and turnover dish extension spring back seat, second fixing feet that is positioned at the left side edge rear portion of substrate, driving motor seat and be positioned at the circuit panel seat of the left front portion of substrate; Front side board vertically is provided with, and has CD on it and imports and exports;

Cover assembly also comprises left transiting rod screw axis, right transiting rod screw axis, secondary fork screw axis, main fork vertical shaft, first support column and second support column;

Upper cover plate is fixed on the base of optical pickup unit core by its first fixing feet and second fixing feet and by being positioned at first support column and second support column that are provided with about below, upper cover plate front side is divided;

The link gear of turnover disc mechanism comprises main fork, left transiting rod, right transiting rod and secondary fork;

The right-hand member of left side transiting rod is the profile of tooth board, and left part is provided with turnover dish extension spring front stall; The right part of left side transiting rod is enclosed within on the left transiting rod screw axis of cover assembly, and left side transiting rod can rotate with respect to upper cover plate during use;

The front end sleeve of turnover dish extension spring is on the turnover dish extension spring front stall of left transiting rod, and the rear end of turnover dish extension spring is enclosed within on the turnover dish extension spring back seat of upper cover plate;

The right-hand member of main fork rear side and the left end of left transiting rod are dynamically connected; The rear sleeve of main fork is on the main fork vertical shaft of cover assembly, and master's fork can rotate with respect to upper cover plate during use;

The left end of right transiting rod is the profile of tooth board; The left part of right transiting rod is enclosed within on the right transiting rod screw axis of cover assembly, and right transiting rod can rotate with respect to upper cover plate during use; The profile of tooth board of right transiting rod is meshed with the profile of tooth board of left transiting rod;

The rear end of secondary fork is provided with projection backwards; The left end of secondary fork rear side and the right-hand member of right transiting rod are dynamically connected; The rear sleeve of secondary fork is on the secondary fork screw axis of cover assembly, and secondary fork can rotate with respect to upper cover plate during use;

The turnover disc mechanism also comprises sub-arm, straight line block and sub-arm torsion spring; The rear sleeve of sub-arm is on the sub-arm vertical shaft of cover assembly, and sub-arm and sub-arm vertical shaft are rotationally connected;

The sub-arm torsion spring is enclosed within the epimere of sub-arm vertical shaft by its spring coil, and its lower end contacts with sub-arm, and a spring pin of sub-arm torsion spring stretches in the stopper slot of substrate of upper cover plate, the right side Elastic Contact of the limiting plate of another root spring pin and sub-arm;

The straight line block is fixed on the substrate of upper cover plate from the below by screw, and is positioned at the left back of substrate;

Optical pickup unit core also comprises and stops post, stop post by its lower end riveted and fixed on base plate, and be positioned at the rear portion of base plate.

Above-mentioned turnover disc mechanism also comprises master file core wheel, main wheel axle, secondary rolling wheel core and secondary wheel axle;

The master file wheel is for adopting the moulding of the big material of friction force, and global shape is a truncated cone-shaped, and the external diameter on top is more bigger than the external diameter of bottom; The middle part of master file wheel has circular wedge-shaped impression around its one week of outer wall, and the ramp of groove matches with the edge of lower inclined plane and CD; The central authorities of master file wheel have the circular hole of above-below direction; The master file core wheel is tightly fixed in the medium pore of master file wheel, the hypomere of main wheel axle is tightly fixed in the medium pore of master file core wheel, the rolling wheel axle bed of the front portion of main fork passes first swinging chute that is positioned at left front portion of the substrate of upper cover plate from the top down, and the stage casing of main wheel axle is arranged in the rolling wheel axle bed of the front portion of main fork; The rolling wheel axle bed of main wheel axle and main fork is rotationally connected, and the front side power output wringing fit of the upper end of main wheel axle and gear train, thereby makes front side power output fixedly connected with the master file wheel with the master file core wheel by main wheel axle;

Secondary rolling wheel is a moulding, and shape is identical with the master file wheel; Global shape is a truncated cone-shaped, and the external diameter on top is more bigger than the external diameter of bottom; The middle part of secondary rolling wheel has circular wedge-shaped impression around its one week of outer wall, and the ramp of groove matches with the edge of lower inclined plane and CD; The central authorities of secondary rolling wheel have the circular hole of above-below direction; Secondary rolling wheel core is tightly fixed in the medium pore of secondary rolling wheel, and the hypomere of secondary wheel axle is tightly fixed in the medium pore of secondary rolling wheel core; The epimere of secondary wheel axle protrudes upward secondary rolling wheel; The anterior rolling wheel axle bed of secondary fork passes second swinging chute that is positioned at right front portion of the substrate of upper cover plate from the top down, and the epimere of secondary wheel axle upwards stretches in the secondary wheel axle seat of secondary fork, and with secondary wheel axle seat wringing fit.

Above-mentioned platen assembly also comprises platen stator, 2 platen support shafts and platen support torsion spring;

The platen support is a steel punching press integral piece; The platen support comprises rack body, supporting seat, control panel, controll block extension spring seat and 2 web joints;

The substrate rear portion of upper cover plate has V-notch, and the shape and the V-notch of rack body are complementary

2 web joints are divided into the left web joint and the right web joint that is positioned at the rear portion, right side of rack body at the rear portion, left side that is positioned at rack body, all are connected on the rack body from the below;

Supporting seat is connected on the rack body from the below, and is positioned at the right side central of rack body and the place ahead of right web joint;

The front side of control panel is provided with the low preceding high swash plate in back; Control panel is connected on the rack body from the top down, and is positioned at the left side central portion of rack body;

Controll block extension spring seat is connected on the rack body from the top down, and is positioned at the left part of rack body rear side;

The embedded iron plate of platen central authorities passes the platen mounting hole that is arranged on the rack body front end from bottom to top by its central seat, and the platen stator is connected by screw retention with the central seat of platen from the top;

The base of optical pickup unit core also comprises left bracket plate and right axle seat plate; 2 platen support shafts are divided into platen support left side axle and the right axle of platen support; The left end of platen support left side axle is riveted on the left web joint of platen support, and pass the left bracket plate of the base of platen support torsion spring and optical pickup unit core from left to right successively, a spring pin of platen support torsion spring is stuck on the base, the downside Elastic Contact of the rack body of another root spring pin and platen support; The left end of the right axle of platen support is riveted on the right web joint of platen support, and passes the right axle seat plate of the base of optical pickup unit core to the right.

Above-mentioned Control Component comprises controll block, tooth bar, test rod, chip switch, controll block extension spring and tooth bar stage clip; Controll block is the control piece of Control Component, and tooth bar is the transition control piece of Control Component, and the CD that test rod is Control Component touches part;

Chip switch is fixed on the upper cover plate by its bottom buckle, and is positioned at the top of first fixing feet;

The platen support also comprises the detection pole socket; Detecting pole socket is the annulus cylindricality, straight up, is connected on the rack body by its lower end, is positioned at the rear side left part of rack body; Test rod comprises the bar main body, be connected the CD bumping post of bar body rear from the below and be connected the distribution of bar body front part from the top; The middle part of bar main body has connecting hole, and test rod is enclosed within on the detection pole socket of platen assembly from the top down by its connecting hole; Test rod also comprise 2 be positioned at both sides before and after the connecting hole be connected from the below location trip on the bar main body,, the curved edge towards the left front at the middle part, a left side of the rack body of platen support stretches in the location trip and the formed groove of bar main body of test rod front side, and the location trip of rear side is positioned at first arcuate socket that detects the pole socket right back that is positioned at of platen support; The CD bumping post passes second arcuate socket that is positioned at the first arcuate socket right back of platen support;

Controll block comprises controll block main body, web joint, push rod, 2 toothed rack guide pillars, stage clip post and push rod; Controll block is horizontally disposed with; To setting, also rearward stretch out in the left side that is connected the controll block main body before and after the web joint; To setting, its middle part is connected the rear end of web joint about push rod; The push rod right part has the extension spring hole; 2 toothed rack guide pillars are connected on the web joint from the below before and after dividing; Have 2 sagittal guide grooves about dividing on the controll block main body; Low inclined-plane, high back before the rear side of controll block main body is provided with, the inclined-plane of controll block main body is relative with the control panel of platen support; The left front end of controll block main body is provided with sagittal opening and reaches backwards pressure spring slot down; The stage clip post is arranged on the preceding frid of pressure spring slot, and towards the rear; The right side front end of controll block main body is provided with the push rod of tip-angled shape, and push rod is relative with the trailing flank of the main fork of turnover disc mechanism;

Cover assembly also comprises controll block left side guide pillar and the right guide pillar of controll block; Controll block is enclosed within on the controll block left side guide pillar that is positioned at rear end, upper cover plate left side and the right guide pillar of controll block of cover assembly by its 2 guide grooves, is screwed with screw respectively on the right guide pillar of controll block left side guide pillar and controll block; The front end of controll block extension spring is fastened on the extension spring hole of the push rod that is connected controll block, and the rear end is connected on the controll block extension spring seat of platen assembly;

Tooth bar comprises tooth plate, rear side push rod and stage clip post; The toothrow of tooth bar is positioned at the left side towards left; The rear side push rod is from the right-hand right side that is connected tooth plate, and according to the left and right directions setting; The stage clip post is connected the front side right-hand member of tooth plate, according to the fore-and-aft direction setting; Have 2 guide grooves according to fore-and-aft direction on the tooth plate of tooth bar;

The tooth bar horizontal positioned, tooth bar is enclosed within from the below on the respective rack guide pillar of controll block by 2 guide grooves, and the tooth bar stage clip is arranged in the pressure spring slot of controll block, and its front end sleeve is on the stage clip post of controll block, and the rear end is enclosed within on the stage clip post of tooth bar.

Above-mentioned gear train comprises driving motor, driving belt, belt wheel gear, first gear, anterior lateral tooth wheels and posterior lateral tooth wheels; The anterior lateral tooth wheels comprise front side second gear, front side the 3rd gear and front side the 4th gear; The posterior lateral tooth wheels comprise rear side second gear and rear side the 3rd gear;

Driving motor is fixed on from the below on the driving motor seat of upper cover plate by screw by its motor cabinet, and the motor shaft direction of driving motor is upwards passed the circular hole of the central authorities of driving motor seat, and its upper end is fixedly connected with electrical machine belt pulley;

The belt wheel gear comprises the belt wheel that is positioned at the top and is positioned at the fluted disc of below; The belt wheel geared sleeve and is rotationally connected with the belt wheel gear shaft on the belt wheel gear shaft;

Double first gear shaft of doing of the main fork vertical shaft of cover assembly; The upper end of main fork vertical shaft is provided with the annular snap ring recess; First gear, front side second gear, front side the 3rd gear, rear side second gear and rear side the 3rd gear are duplicate gear;

First gear is positioned at the top of main fork, and is rotationally connected with main fork vertical shaft, and the large fluted disc that is positioned at the below of first gear is meshed with the small tooth plate that is positioned at the below of belt wheel gear;

The main fork of turnover disc mechanism comprises the body of rod and is connected on the body of rod and is positioned at second gear shaft and the 3rd gear shaft of body of rod top;

Front side second gear and second gear shaft are rotationally connected, and the large fluted disc that is positioned at the top of front side second gear is meshed with the small tooth plate that first gear is positioned at the top;

Front side the 3rd gear and the 3rd gear shaft are rotationally connected, and the large fluted disc that is positioned at the below of front side the 3rd gear is meshed with the small tooth plate that front side second gear is positioned at the below;

Front side the 4th gear is the front side power output of gear train; Front side the 4th gear is positioned at the top of the rolling wheel axle bed of main fork, is meshed with the small tooth plate that is positioned at the top of front side the 3rd gear,

Cover assembly also comprises rear side second gear shaft, rear side the 3rd gear shaft; Rear side second gear and rear side second gear shaft are rotationally connected; The large fluted disc that is positioned at the top of rear side second gear is meshed with the small tooth plate that is positioned at the top of first gear;

Rear side the 3rd gear is the rear side power output of gear train, and is meshed with the toothrow of tooth bar; Rear side the 3rd gear and rear side the 3rd gear shaft are rotationally connected; The large fluted disc that is positioned at the top of rear side the 3rd gear is meshed with the small tooth plate that is positioned at the below of rear side second gear.

Above-mentioned suction type disk loading device also comprises baffle plate assembly; Baffle plate assembly comprises and stops frame, left retaining arm axle, right blocking arm axle, blocking arm push rod, blocking arm torsion spring and push rod extension spring;

Front catch member comprises baffle plate and baffle plate crossbeam; About the baffle plate crossbeam to being horizontally disposed with; Baffle plate is connected on the baffle plate crossbeam from the below, and is positioned at the middle part, front side of baffle plate crossbeam;

Left retaining arm and right blocking arm are all according to the fore-and-aft direction setting; Left retaining arm comprises arm main body and the adjutage that is connected arm main body rear side left part, and the rear portion of arm main body has mounting hole, and the rear portion of the downside of adjutage is high preceding low inclined-plane, back; The rear portion of right blocking arm has mounting hole;

The left end of baffle plate crossbeam is fixedlyed connected with the front end of left retaining arm, and the front end of right blocking arm is fixedlyed connected with the right-hand member of baffle plate crossbeam;

Upper cover plate also comprise the right side edge that is positioned at substrate right plate, be positioned at substrate left side edge according to setting gradually and be positioned at push rod extension spring seat, blocking arm axle bed, blocking arm torsion spring seat and the blocking arm baffle plate in driving motor seat the place ahead from back to preceding order; Be provided with blocking arm baffle portion and blocking arm axle connecting hole successively according to from front to back order on the plate of right plate;

The right-hand member of left retaining arm axle is riveted on the connection hole of the blocking arm axle bed of upper cover plate; Left retaining arm is enclosed within the left end of left retaining arm axle successively by its mounting hole;

The right-hand member of right blocking arm axle is riveted on the blocking arm axle connection hole of upper cover plate; Right blocking arm is enclosed within the left end of right blocking arm axle by its mounting hole;

The blocking arm torsion spring set on the blocking arm torsion spring seat of upper cover plate, the rear end Elastic Contact of the blocking arm axle bed of spring pin and upper cover plate, the downside Elastic Contact of another spring pin and left retaining arm;

Cover assembly also comprises push rod frong guide column and push rod BB1; The blocking arm push rod comprises push rod main body, thruster bar and push rod extension spring hole; Push rod main body horizontal positioned has sagittal front guide slot and back guide groove, and the blocking arm push rod is enclosed within on the push rod frong guide column and push rod BB1 of cover assembly by front guide slot and back guide groove, is screwed with screw respectively on push rod frong guide column and the push rod BB1;

The front end upper side of push rod main body is low early and high after inclined-plane, and the front end inclined-plane of push rod main body matches with the inclined-plane, rear end of the adjutage of left retaining arm during use; Thruster bar horizontal positioned is connected on the right side central of push rod main body from right to left; Push rod extension spring hole is opened in the rear portion of push rod main body; The front end of push rod extension spring is connected on the push rod extension spring hole, and the rear end is connected on the push rod extension spring seat of upper cover plate;

The front side left part of controll block main body is relative with the trailing flank of the thruster bar of the baffle plate push rod of baffle plate assembly.

The present invention has positive effect: (1) optical pickup unit core of the present invention is provided with two light pickers, can be used in the corresponding suction type disk loading device, makes this suction type disk loading device can play the CD of two kinds of different systems.(2) each optical pick-up device driving parts of optical pickup unit core of the present invention is when carrying out Installation and Debugging, can regulate three in its slide bar installation component separately adjustment screws and a stop screw, this regulative mode can be regulated the movement locus face inclination angle of light picker shaven head, can accurately locate to the distance between the information faces of CD the movement locus face of light picker again, can also regulate the centre distance at light picker shaven head and turntable center in addition, improve to a great extent and read to coil performance.(3) spindle motor of the present invention is fixed on the base plate by motor post and motor mounting plate, and compact conformation, fixed installation are conveniently; Spindle motor adopt brushless electric machine not only serviceable life longer, and help reading because of stability of rotation to CD.(4) motor that slides that slides gear train of the present invention adopts stepper motor, can the mobile distance of more accurate control light picker shaven head.(5) the buffering stage clip that is arranged in the feed screw nut of light picker of the present invention can make feed screw nut and the screw mandrel that slides gear train better mesh, and has improved the reliability of work.(6) revolving table position of optical pickup unit core of the present invention is fixed, the turnover disc mechanism adopts edge resilient clamp tumbling-type turnover dish link gear, major and minor rolling wheel is by the cooperation of link gear, can open synchronously and close up, the inclined-plane tray of sub-arm is held the edge of CD when the turnover dish, because the position of friction is not in the data field, so the data on the CD are had no adverse effect, thereby make all to be in the higher position in the CD turnover process, can not run into the serviceable life that turntable causes unnecessary effect of attrition CD.The straight line block matches with the inclined-plane tray of sub-arm, makes to have guaranteed the stationarity that CD passes in and out by CD left and right sides stress balance.Sub-arm makes the inclined-plane tray to provide thrust for placing by the acting force of torsion spring simultaneously.(7) disk loading device of the present invention adopts the suction-type structure, gear train and core component Control Component all are positioned at a side, driving motor is drive transmission device both, also act on Control Component simultaneously, not only disk loading device can be provided with two light pickers simultaneously, and rational in infrastructure and compact in design.(8) baffle plate assembly of disk loading device under the situation of not taking out first CD, is put into second CD in order to prevent in the use, has also played simultaneously to prevent that CD from because of unexpected effect of ejecting, having increased security of products.(9) Control Component of disk loading device is a core component of the present invention, in an embodiment of the present invention the part of 5 kinds of functions that has been integrated of the controll block in the Control Component.After being used, other correlated parts of controll block and disk loading device of the present invention can play 5 kinds of not same-actions.Wherein test rod can be stirred tooth bar after CD puts in place, and tooth bar is ordered about by the power of gear train to drive controll block to move backward, from and make controll block stir test rod, make test rod separate with CD, realized the automatic detection that CD puts in place; Push up chip switch when controll block is moved backward, make the gear train stop motion; The rear end push rod backed down the fork of turnover dish assembly when controll block was moved backward, made rolling wheel put in place afterwards and its disengaging at CD, did not have resistance when having guaranteed the CD rotation; The interaction of the inclined-plane by the controll block right front when controll block seesaws and the platen push pedal of platen assembly has realized the automatic lifting of platen; Promote the baffle plate push rod by trailing flank when controll block seesaws, realized the automatic lifting of baffle plate.

Description of drawings

The positive top perspective structural representation that Fig. 1 assembles after finishing for the embodiment of the invention 1.

Fig. 2 is the perspective exploded view among Fig. 1.

Fig. 3 removes perspective exploded view behind the top cover for Fig. 2.

Fig. 4 is the perspective view of the mount pad among Fig. 3.

Fig. 5 is the perspective exploded view of Fig. 4.

Fig. 6 is the movement among Fig. 3 and the perspective view of disk loading device.

Fig. 7 is the perspective exploded view of Fig. 6.

Fig. 8 is the perspective exploded view of the gear train of the disk loading device among Fig. 7.

Fig. 9 removes the perspective exploded view of gear train backboard assembly for Fig. 8.

Figure 10 is the perspective view that the part baffle plate assembly among Fig. 9 is observed from the left side.

Figure 11 removes the perspective exploded view of Control Component behind the baffle plate assembly for Fig. 9.

Figure 12 looks up perspective view for the controll block among Figure 11 and tooth bar after amplifying.

Figure 13 is the perspective view that the controll block among Figure 11 is observed from the rear.

Figure 14 removes the perspective view of looking up behind the Control Component for Figure 11.

Figure 15 removes the laggard perspective exploded view that goes out disc mechanism of Control Component for Figure 11.

Figure 16 passes in and out the perspective view behind the disc mechanism for Figure 15 removes.

Figure 17 is the perspective view of the optical pickup unit core among Fig. 8.

Figure 18 is the perspective view of the platen assembly among Fig. 8.

Figure 19 is the perspective view of looking up of Figure 18.

Figure 20 is the perspective exploded view of Figure 19.

Figure 21 is the spindle motor assembly among Figure 17 and the perspective exploded view of turntable assembly.

Figure 22 removes inverted perspective view behind spindle motor assembly and the turntable assembly for Figure 21.

Figure 23 is the light picker among Figure 22 and the perspective exploded view of light picker slide bar assembly.

Figure 24 is the perspective exploded view that first light picker among Figure 23 is observed from the rear.

Figure 25 is that second light picker among Figure 23 is from the perspective exploded view of forward observation.

Figure 26 removes perspective exploded view behind light picker and the light picker slide bar assembly for Figure 23.

Mark in the above-mentioned accompanying drawing is as follows:

Cover assembly 1,

Upper cover plate 11, substrate 11-1, the first swinging chute 11-1-1, the second swinging chute 11-1-2, V-notch 11-1-3, sub-arm breach 11-1-4, stopper slot 11-1-5,

Front side board 11-2, right plate 11-3, blocking arm baffle portion 11-3-1, blocking arm axle connecting hole 11-3-2, the first fixing feet 11-4, turnover dish extension spring back seat 11-5, the second fixing feet 11-6, push rod extension spring seat 11-7, driving motor seat 11-8, blocking arm axle bed 11-9, blocking arm torsion spring seat 11-10, blocking arm baffle plate 11-11, circuit panel seat 11-12

Guide pillar 12, push rod frong guide column 12-1, push rod BB1 12-2, controll block left side guide pillar 12-3, the right guide pillar 12-4 of controll block,

Screw axis 13, left transiting rod screw axis 13-1, right transiting rod screw axis 13-2, secondary fork screw axis 13-3,

Vertical shaft 14, belt wheel gear shaft 14-1, main fork vertical shaft 14-2, the rear side second gear shaft 14-3, rear side the 3rd gear shaft 14-4, sub-arm vertical shaft 14-5,

Support column 15, the first support column 15-1, the second support column 15-2,

Screw 16-1, screw 16-2, screw 16-3,

Turnover disc mechanism 2,

Main fork 21, principal arm 21-1, adjutage 21-2, mounting hole 21-3, the second gear shaft 21-4, the 3rd gear shaft 21-5, rolling wheel axle bed 21-6, chute 21-7,

Master file wheel 22, left transiting rod 23, bearing pin 23-1, turnover dish extension spring front stall 23-2, right transiting rod 24, bearing pin 24-1,

Secondary fork 25, principal arm 25-1, adjutage 25-2, protruding backwards 25-3, mounting hole 25-4, secondary wheel axle seat 25-5, chute 25-6,

Secondary rolling wheel 26, sub-arm 27, arm main body 27-1, inclined-plane tray 27-2, protruding forward 27-3, limiting plate 27-4, straight line block 28, master file core wheel 29-1, main wheel axle 29-2, secondary rolling wheel core 29-3, secondary wheel axle 29-4, turnover dish extension spring 29-5, sub-arm torsion spring 29-6,

Control Component 3,

Controll block 31, controll block main body 31-1, web joint 31-2, push rod 31-3, extension spring hole 31-4, tooth bar guide pillar 31-5, guide groove 31-6, inclined-plane 31-7, pressure spring slot 31-8, stage clip post 31-9, push rod 31-10

Tooth bar 32, tooth plate 32-1, rear side push rod 32-2, stage clip post 32-3, guide groove 32-4,

Test rod 33, bar main body 33-1, CD bumping post 33-2 promotes 33-3, connecting hole 33-4, location trip 33-5, location trip 33-6,

Chip switch 34,

Controll block extension spring 35, tooth bar stage clip 36,

Gear train 4,

Driving motor 41, electrical machine belt pulley 41-1, driving belt 42, belt wheel gear 43, the first gears 44, front side second gear 45, front side the 3rd gear 46, front side the 4th gear 47, rear side second gear 48, rear side the 3rd gear 49,

Optical pickup unit core 5,

Base 50, base plate 50-1, antivibration pad Connection Block 50-2, left bracket plate 50-3, right axle seat plate 50-4 stops post 50-5, and a left side stops post 50-5-1, and the right side stops post 50-5-2, strip medium pore 50-6,

Spindle motor assembly 51, spindle motor 51-1, motor printed circuit board (PCB) 51-1-1, motor mounting plate joint pin 51-2, motor mounting plate 51-3, the first switch 51-4, second switch 51-5,

Turntable assembly 52, turntable 52-1, annular magnet steel 52-2,

Slider block 53, the left slider block 53-1 in back, slider block 53-2 in the back, the right slider block 53-3 in back, preceding left slider block 53-4, preceding middle slider block 53-5, preceding right slider block 53-6,

First light picker 54, light picker main body 54-1, back linking arm 54-2, preceding linking arm 54-3, the first feed screw nut 54-4, mount pad 54-4-1, deckle board spare 54-4-2, thread 54-4-3, the first buffering stage clip 54-5, the first contact 54-6,

First group of slide bar assembly 55, the first main slide bar 55-1, the first main slide bar is vertically to stage clip 55-2, the left flap 55-3 in back, adjust screw 55-4, the first main slide bar level is to stage clip 55-5, seat board 55-6 in the back, stop screw 55-7, the first secondary slide bar 55-8, the first secondary slide bar stage clip 55-9, preceding left flap 55-10, flap 55-11 in preceding

First slides gear train 56, the first stepper motor 56-1, the first screw mandrel 56-2, and the first motor mount 56-3, the first flexible printed circuit board 56-4,

Second light picker 57, light picker main body 57-1, preceding linking arm 57-2, back linking arm 57-3, the second feed screw nut 57-4, mount pad 57-4-1, deckle board spare 57-4-2, thread 57-4-3, the second buffering stage clip 57-5, the second wafer 57-6,

Second group of slide bar assembly 58, the second main slide bar 58-1, the second main slide bar is vertically to stage clip 58-2, preceding right flap 58-3, adjust screw 58-4, the second main slide bar level is to stage clip 58-5, preceding in seat board 58-6, stop screw 58-7, the second secondary slide bar 58-8, the second secondary slide bar stage clip 58-9, the right flap 58-10 in back, flap 58-11 in the back

Second slides gear train 59, the second stepper motor 59-1, the second screw mandrel 59-2, and the second motor mount 59-3, the second flexible printed circuit board 59-4,

Platen assembly 6,

Platen support 61, rack body 61-1, the first arcuate socket 61-1-1, the second arcuate socket 61-1-2, supporting seat 61-2, control panel 61-3, controll block extension spring seat 61-4, web joint 61-5, left web joint 61-5-1, right web joint 61-5-2 detects pole socket 61-6,

Platen 62, platen stator 63, platen support shaft 64, platen support left side axle 64-1, the right axle of platen support 64-2, platen support torsion spring 65,

Baffle plate assembly 7,

Front catch member 70, baffle plate 70-1, baffle plate crossbeam 70-2,

Left retaining arm 71, arm main body 71-1, adjutage 71-2, mounting hole 71-3, inclined-plane, rear end 71-4,

Right blocking arm 72,

Left retaining arm axle 73, right blocking arm axle 74,

Blocking arm push rod 75, push rod main body 75-1, thruster bar 75-2, push rod extension spring hole 75-3, front guide slot 75-4, back guide groove 75-5, front end inclined-plane 75-6,

Blocking arm torsion spring 76, push rod extension spring 77,

Shell 8,

Mount pad 81, mount pad base plate 81-1, front side board 81-2, back side panel 81-3, left plate 81-4, right plate 81-5, erection column 81-6, installation foot 81-7, left positioning seat 81-8-1, right positioning seat 81-8-2, back positioning seat 81-8-3,

Top cover 82, left holder 82-1, right holder 82-2, buckle 82-3, back holder 82-4,

Hatch panel 83,

Circuit board for receiving 91, radiating circuit plate 92, wiring plate 93, left side wiring plate 93-1, right side wiring plate 93-2, shockproof web member 94, rubber shock-absorbing circle 94-1, band cap screw 94-2.

Embodiment

(embodiment 1, optical pickup unit core)

See Figure 21 to Figure 26, the optical pickup unit core 5 of present embodiment comprises base 50, spindle motor assembly 51, turntable assembly 52,6 slider blocks 53, first optical pick-up device driving parts and second optical pick-up device driving parts.

See Figure 17, base 50 is a steel integrated punching spare, comprises base plate 50-1 and 6 antivibration pad Connection Block 50-2.

Base plate 50-1 global shape is a rectangle, and downward flanging is arranged all around, and central authorities have the strip medium pore 50-6 that reads the hole as CD.

6 antivibration pad Connection Block 50-2 are divided into two groups, and 3 every group, first group of antivibration pad Connection Block equidistantly is connected on the preceding side edgefold of base plate 50-1, and lay respectively at front side left part, middle part, front side and the front side right part of base plate 50-1; Second group of antivibration pad Connection Block equidistantly is connected on the back side edgefold of base plate 50-1, and is positioned at rear side left part, rear side middle part and the rear side right part of base plate 50-1.

See Figure 23 and Figure 26, each slider block 53 all has the compression spring hole that axis normal is provided with, and slider block 53 on base plate 50-1, and is positioned at the below of base plate 50-1 by screw retention.6 slider blocks 53 are divided into slider block 53-2 in the left slider block 53-1 in back, the back, back right slider block 53-3, preceding left slider block 53-4, preceding middle slider block 53-5 and preceding right slider block 53-6 according to the position that distributes.Back left slider block 53-1 and preceding left slider block 53-4 are equipped with that Open Side Down and slide bar chamber to the right.Back right slider block 53-3 and preceding right slider block 53-6 are equipped with that Open Side Down and slide bar chamber left.Slider block 53-2 is provided with that Open Side Down and slide bar chamber to the right in the back, and front middle part slider block 53-5 is provided with that Open Side Down and slide bar chamber left.

See Figure 22, first optical pick-up device driving parts comprises that first light picker 54, the first slide bar assembly 55 and first slide gear train 56.

See Figure 23 and Figure 26, the first slide bar assembly 55 comprise the first main slide bar 55-1, the first main slide bar vertically to stage clip 55-2, the left flap 55-3 in back, 3 adjust screw 55-4, the first main slide bar level in stage clip 55-5, back seat board 55-6, stop screw 55-7, the first secondary slide bar 55-8,2 the first secondary slide bar stage clip 55-9, preceding left flap 55-10, preceding in flap 55-11.

The first main slide bar vertically is arranged in the compression spring hole of the left slider block 53-1 in back to stage clip 55-2, its upper end contact with the lower surface of base plate 50-1 (Figure 26); The left end of the first main slide bar 55-1 stretches in the slide bar chamber of the left slider block 53-1 in back, and contacts with the vertical lower end to stage clip 55-2 of the first main slide bar of top.By screw the left flap 55-3 in back is fixed on the left slider block 53-1 in back from the below, and adjusting screw 55-4 for one screws from bottom to top on the left flap 55-3 in back, and withstand on from bottom to top on the first main slide bar 55-1 by its tail end, thereby the left end head that makes the main slide bar 55-1 that wins is the masterpiece time spent outside, can be with respect to base 50 elastic movements (Figure 23) on above-below direction.Seat board 55-6 is fixed on from the below the back on the slider block 53-2 by screw in the back, and is arranged in the front end (Figure 26) of back slider block 53-2.

See Figure 23 and Figure 26, the upside of the right-hand member head of the first main slide bar 55-1 contacts with the lower surface of seat board 55-6 in the back, the first main slide bar level is on the direction stage clip post forward of rear sleeve slider block 53-2 in the back of stage clip 55-5, its rear end contacts with slider block 53-2 in the back, the first main slide bar level withstands on the right-hand member head rear side of the first main slide bar 55-1 to the front end of stage clip 55-5, stop screw 55-7 screws in the back on the seat board 55-6 from bottom to top, and carry out spacing to the downside and the front side of the right-hand member head of the first main slide bar 55-1 by the rear side of its double-screw bolt and the frustum cone side of head, thereby the right-hand member head that makes the main slide bar 55-1 that wins is the masterpiece time spent outside, can be in the horizontal direction before and after elastic movement.

Still see Figure 23 and Figure 26,2 first secondary slide bar stage clip 55-9 are vertical respectively to being arranged on before in the corresponding compression spring hole of left slider block 53-4 and preceding middle slider block 53-5, and their upper ends separately contact with the lower surface of base plate 50-1.Before the left end of the first secondary slide bar 55-8 stretches in the slide bar chamber of left slider block 53-4, and contact with the lower end of the first secondary slide bar stage clip 55-9 of top.By screw preceding left flap 55-10 is fixed on the preceding left slider block 53-4 from the below, and adjusting screw 55-4 for one screws from bottom to top on preceding left flap 55-10, and withstand on from bottom to top on the first secondary slide bar 55-8 by its tail end, thereby the left end head that makes the secondary slide bar 55-8 that wins is the masterpiece time spent outside, can be with respect to base 50 elastic movements on above-below direction.In before the right-hand member of the first secondary slide bar 55-8 stretches in the slide bar chamber of slider block 53-5, and contact with the lower end of the first secondary slide bar stage clip 55-9 of top.By screw with on the slider block 53-5 flap 55-11 in preceding is before the below is fixed on, and adjusting screw 55-4 for one screws in preceding on the flap 55-11 from bottom to top, and withstand on from bottom to top on the first secondary slide bar 55-8 by its tail end, thereby the right-hand member head that makes the secondary slide bar 55-8 that wins is the masterpiece time spent outside, can be with respect to base 50 elastic movements on above-below direction.

See Figure 26, first slides gear train 56 comprises the first stepper motor 56-1, the first screw mandrel 56-2, the first motor mount 56-3 and the first flexible printed circuit board 56-4.The first screw mandrel 56-2 also is the motor shaft of the first stepper motor 56-1, and the first stepper motor 56-1 is fixed on the first motor mount 56-3 by its motor casing, and the right-hand member head of the first screw mandrel 56-2 and the first motor mount 56-3 are rotationally connected; The control signal output ends of the first flexible printed circuit board 56-4 is electrically connected with the control end of the first stepper motor 56-1.By screw the first motor mount 56-3 is fixed on the base plate 50-1 from the below, and is positioned at the rear of the first main slide bar 55-1.

See Figure 24, the light picker of first light picker 54 for matching with the CD of blue light (BD) standard and using comprises light picker main body 54-1, back linking arm 54-2, preceding linking arm 54-3, the first feed screw nut 54-4, the first buffering stage clip 54-5 and the first contact 54-6.The shell of back linking arm 54-2 and preceding linking arm 54-3 and light picker main body 54-1 is connected as a single entity, and back linking arm 54-2 is positioned at the rear side of light picker main body 54-1, and preceding linking arm 54-3 is positioned at the front side of light picker main body 54-1.Being directed upwardly of the optical lens of light picker main body 54-1.The back linking arm 54-2 of first light picker 54 is enclosed within on the first main slide bar 55-1, and horizontally slips with the first main slide bar 55-1 and to be connected; The preceding linking arm 54-3 of first light picker 54 is contacted with the first secondary slide bar 55-8 by following three directions in last back, and is stuck on the first secondary slide bar 55-8, thereby can horizontally slip with respect to the first secondary slide bar 55-8.

The first feed screw nut 54-4 is the integrated through injection molding part, comprises mount pad 54-4-1 and the opening deckle board spare 54-4-2 up that is connected mount pad 54-4-1 back side top, and the rear end face of the back side panel of deckle board spare 54-4-2 is provided with thread 54-4-3; Mount pad 54-4-1 with the first feed screw nut 54-4 is fixed on the linking arm 54-2 of back from the below by screw; The first feed screw nut 54-4 is meshed with the first screw mandrel 56-2 at rear by its thread 54-4-3.The first buffering stage clip 54-5 is arranged between the front side board and back side panel of deckle board spare 54-4-2 of the first feed screw nut 54-4.The first contact 54-6 is a rotary corner plate, from bottom to top the first contact 54-6 is fixed on the mount pad 54-4-1 of the first feed screw nut 54-4 by screw.

See Figure 22, second optical pick-up device driving parts comprises that second light picker 57, second group of slide bar assembly 58 and second slide gear train 59.

See Figure 23 and Figure 26, the second slide bar assembly 58 comprise the second main slide bar 58-1, the second main slide bar vertically to stage clip 58-2, preceding right flap 58-3,3 adjust screw 58-4, the second main slide bar level to stage clip 58-5, preceding in seat board 58-6, stop screw 58-7, the second secondary slide bar 58-8,2 the second secondary slide bar stage clip 58-9, the right flap 58-10 in back, back in flap 58-11.

The second main slide bar vertically before stage clip 58-2 is arranged in the compression spring hole of right slider block 53-6, its upper end contact with the lower surface of base plate 50-1 (Figure 26); The right-hand member of the second main slide bar 58-1 stretches in the slide bar chamber of preceding right slider block 53-6, and contacts with the vertical lower end to stage clip 58-2 of the second main slide bar of top.By screw preceding right flap 58-3 is fixed on the preceding right slider block 53-6 from the below, and adjusting screw 58-4 for one screws from bottom to top on preceding right flap 58-3, and withstand on from bottom to top on the second main slide bar 58-1 by its tail end, thereby make right-hand member head masterpiece time spent outside of the second main slide bar 58-1, can be with respect to base 50 elastic movements (Figure 23) on above-below direction.Before in seat board 58-6 by screw is before the below is fixed on the slider block 53-5, and be arranged in the rear end (Figure 26) of preceding slider block 53-5.

See Figure 23 and Figure 26, the upside of the left end head of the second main slide bar 58-1 contacts with the lower surface of preceding middle seat board 58-6, on the direction stage clip post backward of the second main slide bar level middle slider block 53-5 before the front portion of stage clip 58-5 is enclosed within, its front end contacts with preceding middle slider block 53-5, the second main slide bar level withstands on the left end head front side of the second main slide bar 58-1 to the rear end of stage clip 58-5, stop screw 58-7 screws in preceding on the seat board 58-6 from bottom to top, and carry out spacing to the downside and the rear side of the left end head of the second main slide bar 58-1 by the frustum cone side of the front side of its double-screw bolt and head, thereby make left end head masterpiece time spent outside of the second main slide bar 58-1, can be in the horizontal direction before and after elastic movement.

Still see Figure 23 and Figure 26, vertically in being arranged on right slider block 53-3 in back and back in the corresponding compression spring hole of slider block 53-2, their upper ends separately contact with the lower surface of base plate 50-1 respectively for 2 second secondary slide bar stage clip 58-9.The right-hand member of the second secondary slide bar 58-8 stretches in the slide bar chamber of the right slider block 53-3 in back, and contacts with the lower end of the second secondary slide bar stage clip 58-9 of top.By screw the right flap 58-10 in back is fixed on the right slider block 53-3 in back from the below, and adjusting screw 58-4 for one screws from bottom to top on the right flap 58-10 in back, and withstand on from bottom to top on the second secondary slide bar 58-8 by its tail end, thereby make right-hand member head masterpiece time spent outside of the second secondary slide bar 58-8, can be with respect to base 50 elastic movements on above-below direction.The left end of the second secondary slide bar 58-8 stretches in the back in the slide bar chamber of slider block 53-2, and contacts with the lower end of the second secondary slide bar stage clip 58-9 of top.On slider block 53-2 flap 58-11 in the screw general back is after the below is fixed on, and adjusting screw 58-4 for one screws in the back on the flap 58-11 from bottom to top, and withstand on from bottom to top on the second secondary slide bar 58-8 by its tail end, thereby make left end head masterpiece time spent outside of the second secondary slide bar 58-8, can be with respect to base 50 elastic movements on above-below direction.

See Figure 26, second slides gear train 59 comprises the second stepper motor 59-1, the second screw mandrel 59-2, the second motor mount 59-3 and the second flexible printed circuit board 59-4.The second screw mandrel 59-2 also is the motor shaft of the second stepper motor 59-1, and the second stepper motor 59-1 is fixed on the second motor mount 59-3 by its motor casing, and the right-hand member head of the second screw mandrel 59-2 and the second motor mount 59-3 are rotationally connected; The control signal output ends of the second flexible printed circuit board 59-4 is electrically connected with the control end of the second stepper motor 59-1.By screw the second motor mount 59-3 is fixed on the base plate 50-1 from the below, and is positioned at the place ahead of the second main slide bar 58-1.

See Figure 25, the light picker of second light picker 57 for matching with the CD of Chinese blue light (CHBD) standard and using comprises light picker main body 57-1, preceding linking arm 57-2, back linking arm 57-3, the second feed screw nut 57-4, second buffering stage clip 57-5 and the second wafer 57-6.Before the shell of linking arm 57-2 and back linking arm 57-3 and light picker main body 57-1 be connected as a single entity, and preceding linking arm 57-2 is positioned at the front side of light picker main body 57-1, back linking arm 57-3 be positioned at light picker main body 57-1 rear side.Being directed upwardly of the optical lens of light picker main body 57-1.The preceding linking arm 57-2 of second light picker 57 is enclosed within on the second main slide bar 58-1, and horizontally slips with the second main slide bar 58-1 and to be connected; The back linking arm 57-3 of second light picker 57 is contacted with the second secondary slide bar 58-8 by following three directions of going forward, and is stuck on the second secondary slide bar 58-8, thereby can horizontally slip with respect to the second secondary slide bar 58-8.

The second feed screw nut 57-4 is the integrated through injection molding part, comprises mount pad 57-4-1 and the opening deckle board spare 57-4-2 up that is connected top, mount pad 57-4-1 front side, and the front end face of the front side board of deckle board spare 57-4-2 is provided with thread 57-4-3; Mount pad 57-4-1 with the second feed screw nut 57-4 is fixed on the preceding linking arm 57-2 from the below by screw; The second feed screw nut 57-4 is meshed with the second screw mandrel 59-2 in the place ahead by its thread 57-4-3.The second buffering stage clip 57-5 is arranged between the back side panel and front side board of deckle board spare 57-4-2 of the second feed screw nut 57-4.The second wafer 57-6 is a rotary corner plate, the second wafer 57-6 is fixed on the mount pad 57-4-1 of the second feed screw nut 57-4 from bottom to top by screw.

See Figure 21, spindle motor assembly 51 comprises spindle motor 51-1,4 motor mounting plate joint pin 51-2, motor mounting plate 51-3, the first switch 51-4 and second switch 51-5.

4 motor mounting plate joint pin 51-2 by separately upper end riveted and fixed on base plate 50-1.Pass the connecting hole on four angles that are opened in motor mounting plate 51-3 by 4 screws after, screw respectively on the screw of the lower end of corresponding 4 motor mounting plate joint pin 51-2, and make motor mounting plate 51-3 be fixed on the base plate 50-1 from the below by motor mounting plate joint pin 51-2, and motor mounting plate 51-3 strides across the strip medium pore 50-6 of base 50 on fore-and-aft direction.Spindle motor 51-1 is a brushless electric machine.Spindle motor 51-1 is fixed on the motor mounting plate 51-3 by its bottom, and is positioned at the top center position of motor mounting plate 51-3.The motor shaft of spindle motor 51-1 passes the strip medium pore 50-6 of base plate 50-1.

The control signal output ends of motor printed circuit board (PCB) 51-1-1 is electrically connected with the control end of spindle motor 51-1.The first switch 51-4 is fixed on the motor mounting plate 51-3, and is positioned at the left back position, top of motor mounting plate 51-3, and it is relative with the first contact 54-6 of first light picker 54 that switch contact stretches out left.Second switch 51-5 is fixed on the motor mounting plate 51-3, and is positioned at the right front position, top of motor mounting plate 51-3, and it is relative with the second wafer 57-6 of second light picker 57 that switch contact stretches out to the right.

Turntable assembly 52 comprises turntable 52-1 and annular magnet steel 52-2.Turntable 52-1 is the integrated through injection molding part, has annular groove in the top, is provided with connecting hole in the central; The material of annular magnet steel 52-2 is a permanent magnet, and annular magnet steel 52-2 is tightly fixed in the annular groove of turntable 52-1.

Turntable 52-1 is enclosed within by its connecting hole wringing fit on the upper end of motor shaft of spindle motor 51-1.

For explain convenient for the purpose of, in the present embodiment to the description of the orientation, position of each parts and mutual relationship according to carrying out under the base 50 horizontal positioned states.When the optical pickup unit core of present embodiment is used, be installed on the mount pad 81 by shockproof web member 94, its base 50 both can carry out horizontal positioned according to the mode of foregoing description to be used, and also can use under the vertical laying state, or use under the inclination laying state.

When the optical pickup unit core of present embodiment is used, CD is after entering disk loading device inside from the place ahead, it is clamped with the turntable 52-1 that is positioned at the below by the platen 62 that is positioned at the top, control circuit is under programmed control, after controlling the song table information that in 2 light pickers one reads CD, discern the form of the information of its imprinting again by control circuit, and decision is read by wherein a corresponding light picker, subsequently control circuit by sliding gear train accordingly this light picker being driven and with respect to base about 50 to motion, again about in motion, the CD that rotates is carried out reading of information.

(embodiment 2, optical pickup unit core)

The remainder of the optical pickup unit core of present embodiment is identical with embodiment 1, and difference is: link to each other before and after the middle part of base plate 50-1, the strip medium pore 50-6 on the base plate 50-1 is divided into 2, lays respectively at left side and the right side of base plate 50-1.The spindle motor 51-1 of spindle motor assembly 51 is fixed on base plate 50-1 central authorities by its motor casing.

(embodiment 3, suction type disk loading device)

See Fig. 2, Fig. 6 and Figure 17, the suction type disk loading device of present embodiment comprises cover assembly 1, turnover disc mechanism 2, Control Component 3, gear train 4, optical pickup unit core 5, platen assembly 6, baffle plate assembly 7, shell 8, circuit board for receiving 91,92,2 wiring plates 93 of radiating circuit plate and 5 shockproof web members 94.

Optical pickup unit core 5 in the present embodiment is obtained by embodiment 1.Optical pickup unit core 5 comprises that also 2 stop with stopping post 50-5; The base 50 of optical pickup unit core 5 also comprises left bracket plate 50-3 and the right axle seat plate 50-4 that is connected on the base plate 50-1.Left bracket plate 50-3 is connected on the base plate 50-1 from top to bottom, and is positioned at the left at the rear portion of base plate 50-1, and right axle seat plate 50-4 is connected on the base plate 50-1 from top to bottom, and is positioned at rear portion right-hand of base plate 50-1.

2 stop that post 50-5 is divided into a left side and stops that the post 50-5-1 and the right side stop post 50-5-2, a left side stop post 50-5-1 by its lower end riveted and fixed on base plate 50-1, and be positioned at the right side of left bracket plate 50-3, the right side stop post 50-5-2 by its lower end riveted and fixed on base plate 50-1, and be positioned at the left side of right axle seat plate 50-4.

See Fig. 7 and Figure 16, cover assembly 1 comprises 13,5 vertical shafts 14 of 12,3 screw axis of 11,4 guide pillars of upper cover plate and 2 support columns 15.

See Figure 14 and Figure 16, upper cover plate 11 is a steel punching press integral piece, comprises substrate 11-1, be positioned at the front side board 11-2 of substrate 11-1 forward edge, be positioned at the right plate 11-3 of the right side edge of substrate 11-1, be positioned at the first fixing feet 11-4 and the turnover dish extension spring back seat 11-5 of the posterior edges of substrate 11-1, be positioned at substrate 11-1 left side edge according to the second fixing feet 11-6 that sets gradually to preceding order from the back, push rod extension spring seat 11-7, driving motor seat 11-8, blocking arm axle bed 11-9, blocking arm torsion spring seat 11-10, blocking arm baffle plate 11-11 and the circuit panel seat 11-12 that is positioned at the left front portion of substrate 11-1.

See Figure 16, substrate 11-1 basic overall shape is the rectangle of rear portion band V-notch.Also be provided with first swinging chute 11-1-1 that is positioned at left front portion and the second swinging chute 11-1-2 that is positioned at right front portion on the substrate 11-1.Rear side center has the breach 11-1-3 of approximate V-arrangement, and V-notch is towards the rear, and also is provided with the sub-arm breach 11-1-4 that is used for the sub-arm swing at the rear portion, right side of V-notch 11-1-3, has stopper slot 11-1-5 in the inclined to one side rear of the right part of substrate 11-1.The first swinging chute 11-1-1 is positioned at the left of circuit panel seat 11-12.

Having CD on the front side board 11-2 imports and exports.Front side board 11-2 vertically is provided with, and is connected on the substrate 11-1 from the below.

Be provided with blocking arm baffle portion 11-3-1 and blocking arm axle connecting hole 11-3-2 successively according to from front to back order on the plate of right plate 11-3, right plate 11-3 vertically is provided with, and is connected on the substrate 11-1 from the top.

The first fixing feet 11-4 comprises vertical panel and leveling board, and the central authorities of leveling board have circular hole.The first fixing feet 11-4 is positioned at the rear side right part of substrate 11-1, is connected on the substrate 11-1 from the below by its vertical panel.

Turnover dish extension spring back seat 11-5 is a hook-shaped vertical panel, is connected on the substrate 11-1 from the top, and turnover dish extension spring back seat 11-5 is positioned at the breach 11-1-3 place of V-arrangement of close substrate 11-1 of the rear side left part of substrate 11-1.

See Figure 14, the second fixing feet 11-6 comprises vertical panel and leveling board, and the central authorities of leveling board have circular hole.The second fixing feet 11-6 is connected on the substrate 11-1 from the below by its vertical panel.

See Figure 16, push rod extension spring seat 11-7 is a hook-shaped vertical panel, and push rod extension spring seat 11-7 is connected on the substrate 11-1 from the top.

Driving motor seat 11-8 comprises vertical panel and leveling board.The central authorities of leveling board have the circular hole that is used to pass motor shaft, and the both sides of circular hole have fixed orifice.Driving motor seat 11-8 is connected on the substrate 11-1 from the top by its vertical panel.

Blocking arm axle bed 11-9 is the vertical panel that is provided with connecting hole.Blocking arm axle bed 11-9 is connected on the substrate 11-1 from the top, and the axis of its center pit is identical with the axis of the blocking arm axle connecting hole 11-3-2 of right plate 11-3.

Blocking arm torsion spring seat 11-10 is horizontally disposed plate body, comprises connecting portion and hook cap portion, and blocking arm torsion spring seat 11-10 is the left side extension of substrate 11-1, is linked to each other with substrate 11-1 by its connecting portion, and the hook cap portion of blocking arm torsion spring seat 11-10 is positioned at the left side of connecting portion.

Blocking arm baffle plate 11-11 is a vertical panel, and blocking arm baffle plate 11-11 is connected on the substrate 11-1 from the top, and relative with the blocking arm baffle portion 11-3-1 of right plate 11-3.

Circuit panel seat 11-12 comprises vertical panel and leveling board, and the central authorities of leveling board have the circular hole that connects usefulness, and circuit panel seat 11-12 is connected on the substrate 11-1 from the top by its vertical panel.

4 guide pillars 12 are according to the vertical direction setting, by separately lower end riveted and fixed on substrate 11-1, they are respectively push rod frong guide column 12-1 and the push rod BB1 12-2 that is positioned at driving motor seat 11-8 right side, are positioned at the controll block left side guide pillar 12-3 and the right guide pillar 12-4 of controll block at rear, push rod frong guide column 12-1 right side.

3 screw axis 13 are the screw cylinder of upper end open, according to the vertical direction setting, by separately lower end riveted and fixed on substrate 11-1.They be positioned at respectively about substrate 11-1 to the left transiting rod screw axis 13-1 that takes back of middle part, be positioned at the right transiting rod screw axis 13-2 on left transiting rod screw axis 13-1 right side, and the secondary fork screw axis 13-3 after centre on the fore-and-aft direction is inclined to one side that is positioned at the right part of substrate 11-1.

5 vertical shafts 14 are according to the vertical direction setting, by separately lower end riveted and fixed on substrate 11-1, they are respectively the belt wheel gear shaft 14-1 that is positioned at the first guide pillar 12-1 right side, the main fork vertical shaft 14-2 that is positioned at belt wheel gear shaft 14-1 right side, be positioned at the second guide pillar 12-2 right side the rear side second gear shaft 14-3, be positioned at rear side the 3rd gear shaft 14-4 at the rear side second gear shaft 14-3 rear and the sub-arm vertical shaft 14-5 that is positioned at secondary fork screw axis 13-3 rear side.

See Fig. 7,2 support columns 15 of cover assembly 1 are divided into the first support column 15-1 and the second support column 15-2.The first support column 15-1 on the base plate 50-1 of the base 50 of optical pickup unit core 5, straight up, and is positioned at the front portion, left side of base plate 50-1 by its lower end riveted and fixed.The second support column 15-2 on base plate 50-1, straight up, and is positioned at the front portion, right side of base plate 50-1 by its lower end riveted and fixed.

Still see Fig. 7, the first fixing feet 11-4 of upper cover plate 11 on base plate 50-1, and is positioned at the rear portion in rectangular channel left side by screw retention; See Fig. 7 and Figure 14, the second fixing feet 11-6 of upper cover plate 11 is fixed on the base plate 50-1 by screw 16-3, and is positioned at the rear portion on rectangular channel right side.

Still see Fig. 7, front portion, left side and the front portion, right side of the substrate 11-1 of upper cover plate 11 are equipped with connecting hole, by the respective connecting of passing substrate 11-1 respectively from top to bottom about 2 screws branches, first screw 16-1 screws on the first support column 15-1, second screw 16-2 screws on the second support column 15-2, thereby makes upper cover plate 11 be fixed on the base 50 of optical pickup unit core 5.

See Figure 15, turnover disc mechanism 2 is an edge resilient clamp tumbling-type turnover dish link gear.Turnover disc mechanism 2 comprises master file wheel 22, link gear, secondary rolling wheel 26, sub-arm 27, straight line block 28, master file core wheel 29-1, main wheel axle 29-2, secondary rolling wheel core 29-3, secondary wheel axle 29-4, turnover dish extension spring 29-5 and sub-arm torsion spring 29-6.Link gear comprises main fork 21, left transiting rod 23, right transiting rod 24 and secondary fork 25.

Left side transiting rod 23 is the integrated through injection molding part, and the left end of left transiting rod 23 is provided with bearing pin 23-1, left part and is provided with that turnover dish extension spring front stall 23-2, right part have mounting hole 23-3, right-hand member is profile of tooth board 23-4, and profile of tooth board 23-4 has 5 teeth.

Left side transiting rod 23 is gone up and is articulated with left transiting rod screw axis 13-1 by the left transiting rod screw axis 13-1 that the mounting hole 23-3 of its right part is enclosed within cover assembly 1, transiting rod screw axis 13-1 upper end, a left side is screwed with screw, thereby left transiting rod 23 can be rotated with respect to upper cover plate 11.

Main fork 21 is the integrated through injection molding part, and its basic configuration is L shaped, is divided into principal arm 21-1 and adjutage 21-2.Principal arm 21-1 goes up from the back to preceding mounting hole 21-3, the second gear shaft 21-4, the 3rd gear shaft 21-5 and the rolling wheel axle bed 21-6 that is provided with axis normal successively.The right-hand member of adjutage 21-2 has chute 21-7.

Main fork 21 is enclosed within on the main fork vertical shaft 14-2 by the mounting hole on its principal arm 21-1, and winner's fork 21 and main fork vertical shaft 14-2 are rotationally connected.And main fork 21 is enclosed within on the bearing pin 23-1 of left transiting rod 23 by the chute 21-7 of its adjutage 21-2.

Master file wheel 22 is for adopting the moulding of the big material of friction force, and global shape is a truncated cone-shaped, and the external diameter on top is more bigger than the external diameter of bottom.The middle part of master file wheel 22 has circular wedge-shaped impression around its one week of outer wall, and the ramp of groove becomes 30 degree angles with lower inclined plane.The central authorities of master file wheel 22 have the circular hole of above-below direction.Master file core wheel 29-1 has been tightly fixed in the medium pore of master file wheel 22, main wheel axle 29-2 has been tightly fixed in the medium pore of master file core wheel 29-1, the epimere of main wheel axle 29-2 protrudes upward master file wheel 22, thereby main wheel axle 29-2, master file core wheel 29-1 and master file wheel 22 form the master file wheel assembly.

The bottom of the rolling wheel axle bed 21-6 of main fork 21 is passed the first swinging chute 11-1-1 of the substrate 11-1 of upper cover plate 11 from the top down, the master file wheel assembly then extends upwardly the rolling wheel axle bed 21-6 that becomes owner of fork 21 by the epimere of its main wheel axle 29-2, and stretch out from the top of rolling wheel axle bed 21-6, the front side power output wringing fit of the upper end of main wheel axle 29-2 and gear train 4, and the rolling wheel axle bed 21-6 of main wheel axle 29-2 and main fork 21 is rotationally connected, thereby makes master file wheel 22 to rotate with respect to main fork 21.

Right transiting rod 24 is the integrated through injection molding part, and the left end of right transiting rod 24 is that profile of tooth board 24-1, left part have mounting hole 24-2, right-hand member is provided with bearing pin 24-3, and profile of tooth board 24-1 has 4 teeth.Right transiting rod 24 has the right transiting rod screw axis 13-2 that mounting hole 24-2 is enclosed within cover assembly 1 by its left part and goes up and articulate with right transiting rod screw axis 13-2, the upper end of right transiting rod screw axis 13-2 is screwed with screw, thereby right transiting rod 24 can rotate with respect to upper cover plate 11.4 teeth of the profile of tooth board 24-1 of right transiting rod 24 are meshed with 5 teeth of the profile of tooth board 23-4 of left transiting rod 23.

Secondary fork 25 is the integrated through injection molding part, and it is shaped as L shaped, is divided into principal arm 25-1 and the adjutage 25-2 that is positioned at principal arm 25-1 left side.The rear end of principal arm 25-1 is protruding 25-3 backwards, and the rear portion is provided with mounting hole 25-4, and front end is secondary wheel axle seat 25-5.The left end of adjutage 25-2 has chute 25-6.

Secondary fork 25 is enclosed within on the secondary fork screw axis 13-3 of cover assembly 1 by the mounting hole 25-4 on its principal arm 25-1, and is screwed with screw in secondary fork screw axis 13-3 upper end, makes secondary fork 22-2 and secondary fork screw axis 13-3 be rotationally connected.And secondary fork 25 is enclosed within on the bearing pin 24-3 of right transiting rod 24 by the chute 25-6 of its adjutage 25-2.

Secondary rolling wheel 26 is a moulding, and it is 22 identical that shape and master file are taken turns.Global shape is a truncated cone-shaped, and the external diameter on top is more bigger than the external diameter of bottom.The middle part of secondary rolling wheel 26 has circular wedge-shaped impression around its one week of outer wall, and the ramp of groove becomes 30 degree angles with lower inclined plane.The central authorities of secondary rolling wheel 26 have the circular hole of above-below direction.The secondary rolling wheel core 29-3 that has been tightly fixed in the medium pore of secondary rolling wheel 26, secondary wheel axle 29-4 has been tightly fixed in the medium pore of secondary rolling wheel core 29-3.The epimere of secondary wheel axle 29-4 protrudes upward secondary rolling wheel 26, thereby secondary wheel axle 29-4, secondary rolling wheel core 29-3 and secondary rolling wheel 26 form secondary rolling wheel assembly.The bottom of the secondary wheel axle seat 25-5 of secondary fork 25 is passed the second swinging chute 11-1-2 of the substrate 11-1 of upper cover plate 11 from the top down, secondary rolling wheel assembly is upwards stretched among the secondary wheel axle seat 25-5 of secondary fork 25 by the epimere of its secondary wheel axle 29-4, and with secondary wheel axle seat 25-5 wringing fit.

The front end sleeve of turnover dish extension spring 29-5 is on the turnover dish extension spring front stall 23-2 of left transiting rod 23, and the rear end of turnover dish extension spring 29-5 is enclosed within on the turnover dish extension spring back seat 11-5 of upper cover plate 11.

Link gear can be in open configuration or rounding state in use; Under the effect of turnover dish extension spring 29-5, make link gear tend to rounding state.

Sub-arm 27 is the integrated through injection molding part, sub-arm 27 comprises arm main body 27-1, be positioned at below, arm main body 27-1 rear end inclined-plane tray 27-2, be positioned at the protruding 27-3 of arm main body 27-1 front end forward and be positioned at the limiting plate 27-4 of arm main body 27-1 right-hand member.The rear portion of arm main body 27-1 has mounting hole.

Sub-arm 27 is enclosed within on the sub-arm vertical shaft 14-5 of cover assembly 1 by the mounting hole of its arm main body 27-1, and sub-arm 27 is rotationally connected with sub-arm vertical shaft 14-5.

Sub-arm torsion spring 29-6 is enclosed within the epimere of sub-arm vertical shaft 14-5 by its spring coil, its lower end contacts with the arm main body 27-1 of sub-arm 27, the spring pin of sub-arm torsion spring 29-6 stretches among the stopper slot 11-1-5 of substrate 11-1 of upper cover plate 11, the right side Elastic Contact of the limiting plate 27-4 of another root spring pin and sub-arm 27.

The inclined-plane of the inclined-plane tray 27-2 of sub-arm 27 is towards left front oblique upper, and the neck that is connected with arm main body 27-1 of inclined-plane tray 27-2 can move along the sub-arm breach 11-1-4 of substrate 11-1.Before CD does not load, under the effect of sub-arm torsion spring 29-6, stopped that by the plate body that is positioned at sub-arm breach 11-1-4 the place ahead of substrate 11-1 sub-arm 27 remains the trend that rotates counterclockwise.In loading procedure, the secondary fork 25 in the link gear turns right, and the protruding backwards 25-3 of secondary fork 25 is to the protruding forward 27-3 mutually noninterfere towards the right front of left movement and sub-arm 27.CD is loaded into a half, the CD edge contacts with the inclined-plane tray 27-2 of sub-arm 27, along with CD constantly enters, sub-arm 27 clockwise rotates with respect to upper cover plate 11, secondary fork 25 turns left simultaneously, and the protruding backwards 25-3 of secondary fork 25 and the protruding forward 27-3 of sub-arm 27 just in time stagger.When loading procedure closes to an end, link gear separates with CD, secondary fork 25 turns right, the left side of the protruding 25-3 backwards of secondary fork 25 contacts with the right side of the protruding 27-3 forward of sub-arm 27, promoting sub-arm 27 clockwise rotates, turn over transfixion behind the certain angle, the protruding backwards 25-3 of secondary fork 25 is close to the protruding 27-3 of sub-arm 27 forward, thereby when making master file wheel 22 and the secondary rolling wheel 26 of link gear separate with CD, the inclined-plane tray 27-2 of sub-arm 27 also separates with CD, and CD is entered reads the position.When uninstall process begins, link gear contacts with CD, the secondary fork 25 of this moment turns left, sub-arm 27 rotates counterclockwise, stagger in position until the protruding 27-3 forward of the protruding backwards 25-3 of secondary fork 25 and sub-arm 27, sub-arm 27 continues to rotate counterclockwise, and is stopped sub-arm 27 transfixions until the neck that is connected with arm main body 27-1 of inclined-plane tray 27-2 by the plate body that is positioned at sub-arm breach 11-1-4 the place ahead of substrate 11-1.

Straight line block 28 is fixed on the substrate 11-1 of upper cover plate 11 from the below by screw, and is positioned at the left back of substrate 11-1.In use, offer the identical acting force of the opposite size of force direction that CD and the inclined-plane tray 27-2 of sub-arm 27 impose on CD.

See Fig. 8, Figure 15 and Figure 16, gear train 4 comprises driving motor 41, driving belt 42, belt wheel gear 43, first gear 44, anterior lateral tooth wheels and posterior lateral tooth wheels.The anterior lateral tooth wheels comprise front side second gear 45, front side the 3rd gear 46 and front side the 4th gear 47; The posterior lateral tooth wheels comprise rear side second gear 48 and rear side the 3rd gear 49.

Driving motor 41 is fixed on from the below by screw by its motor cabinet on the leveling board of driving motor seat 11-8 of upper cover plate 11, the motor shaft direction of driving motor 41 upwards, pass the circular hole of central authorities of the leveling board of driving motor seat 11-8, its upper end is fixedly connected with electrical machine belt pulley 41-1.

Belt wheel gear 43 comprises the belt wheel that is positioned at the top and is positioned at the fluted disc of below.Belt wheel gear 43 is enclosed within on the belt wheel gear shaft 14-1, and is rotationally connected with belt wheel gear shaft 14-1.

Double first gear shaft of doing of main fork vertical shaft 14-2 of cover assembly 1.The upper end of main fork vertical shaft 14-2 is provided with the annular snap ring recess.First gear 44, front side second gear 45, front side the 3rd gear 46, rear side second gear 48 and rear side the 3rd gear 49 are duplicate gear.

First gear 44 is enclosed within on the double main fork vertical shaft 14-2 that does first gear shaft from the top down, be positioned at the top of main fork 21, be rotationally connected with main fork vertical shaft 14-2, and the large fluted disc that is positioned at the below of first gear 44 is meshed with the small tooth plate that is positioned at the below of belt wheel gear 43.A corresponding plastics back-up ring is stuck on the ring groove of main fork vertical shaft 14-2.

Front side second gear 45 is enclosed within on the second gear shaft 21-4 of main fork 21 from the top down, be rotationally connected with the second gear shaft 21-4, and the large fluted disc that is positioned at the top of front side second gear 45 is meshed with the small tooth plate that first gear 44 is positioned at the top; The upper end of the second gear shaft 21-4 of main fork 21 is provided with ring groove, and a corresponding plastics back-up ring is stuck on the ring groove of the second gear shaft 21-4.

Front side the 3rd gear 46 is enclosed within on the 3rd gear shaft 21-5 of main fork 21 from the top down, be rotationally connected with the 3rd gear shaft 21-5, and the large fluted disc that is positioned at the below of front side the 3rd gear 46 is meshed with the small tooth plate that front side second gear 45 is positioned at the below; The upper end of the 3rd gear shaft 21-5 of main fork 21 is provided with ring groove, and a corresponding plastics back-up ring is stuck on the ring groove of the 3rd gear shaft 21-5.

Front side the 4th gear 47 is enclosed within the upper end of main wheel axle 29-2 of turnover disc mechanism 2 from the top down, and with main wheel axle 29-2 wringing fit; Front side the 4th gear 47 is positioned at the top of the rolling wheel axle bed 21-6 of main fork 21, is meshed with the small tooth plate that is positioned at the top of front side the 3rd gear 46, and front side the 4th gear 47 is the front side power output of gear train 4; The upper end of main wheel axle 29-2 is provided with ring groove, and a corresponding plastics back-up ring is stuck on the ring groove of main wheel axle 29-2.

Rear side second gear 48 is enclosed within on the rear side second gear shaft 14-3 of cover assembly 1 from the top down, and is rotationally connected with the rear side second gear shaft 14-3.The large fluted disc that is positioned at the top of rear side second gear 48 is meshed with the small tooth plate that is positioned at the top of first gear 44; The upper end of the rear side second gear shaft 14-3 is provided with ring groove, and a corresponding plastics back-up ring is stuck on the ring groove of the rear side second gear shaft 14-3.

Rear side the 3rd gear 49 is enclosed within on rear side the 3rd gear shaft 14-4 of cover assembly 1 from the top down, and is rotationally connected with rear side the 3rd gear shaft 14-4.The large fluted disc that is positioned at the top of rear side the 3rd gear 49 is meshed with the small tooth plate that is positioned at the below of rear side second gear 48; The upper end of rear side the 3rd gear shaft 14-4 is provided with ring groove, and a corresponding plastics back-up ring is stuck on the ring groove of rear side the 3rd gear shaft 14-4.Rear side the 3rd gear 49 is the rear side power output of gear train 4.

See Fig. 7, Figure 18 to Figure 20, platen assembly 6 comprises platen support 61,

platen

62,63,2 platen support shafts 64 of platen stator and platen support torsion spring 65.

Platen support 61 is a steel punching press integral piece.Platen support 61 comprises rack body 61-1, supporting seat 61-2, control panel 61-3, controll block extension spring seat 61-4,2 web joint 61-5 and detects pole socket 61-6.

The breach 11-1-3 of the substrate 11-1 of the shape of rack body 61-1 and upper cover plate 11 is complementary, the left part at the rear portion of rack body 61-1 has the first arcuate socket 61-1-1 and the second arcuate socket 61-1-2 of concentric, and the second arcuate socket 61-1-2 is positioned at the right back of the first arcuate socket 61-1-1, and the front end of rack body 61-1 is provided with platen mounting hole 61-1-3.

2 web joint 61-5 respectively are a vertical panel, and every vertical panel is provided with mounting hole, are connected on the rack body 61-1 from the below about 2 web joint 61-5 divide, and 2 web joint 61-5 are divided into left web joint 61-5-1 and right web joint 61-5-2.Left side web joint 61-5-1 is positioned at the rear portion, left side of rack body 61-1, and right web joint 61-5-2 is positioned at the rear portion, right side of rack body 61-1.

Supporting seat 61-2 comprises vertical panel and is connected the leveling board of vertical panel lower end that supporting seat 61-2 is connected on the rack body 61-1 from the below by its vertical panel, and is positioned at the right side central of rack body 61-1 and the place ahead of right web joint 61-5-2.

Control panel 61-3 comprises vertical panel, be connected the leveling board of vertical panel upper end and be connected leveling board front side back low before high swash plate; Control panel 61-3 is connected on the rack body 61-1 from the top down by its vertical panel, and is positioned at the left side central portion of rack body 61-1.

Controll block extension spring seat 61-4 is a hook-shaped vertical panel, and controll block extension spring seat 61-4 is connected on the rack body 61-1 from the top down, and is positioned at the left part of rack body 61-1 rear side.

Detecting pole socket 61-6 is the annulus cylindricality, straight up, is connected on the rack body 61-1 by its lower end, is positioned at the rear side left part of rack body 61-1, and is positioned at the right side of left Connection Block 61-5-1.The first arcuate socket 61-1-1 of rack body 61-1 and the second arcuate socket 61-1-2 are the center of circle with the center of detecting pole socket 61-6 all, and the first arcuate socket 61-1-1 is positioned at the right back of detecting pole socket 61-6.

Platen 62 is the integrated through injection molding part of central embedded iron plate, pass the platen mounting hole 61-1-3 of rack body 61-1 from bottom to top by its central seat, platen stator 63 is connected by screw retention from the central seat of top with platen 62, thereby making platen 62 and platen stator 63 be automatically connected on the platen support 61, also is that platen 62 can and move up and down in institute's extreme position with respect to rack body 61-1 rotation together with platen stator 63.

2 platen support shafts 64 are divided into platen support left side axle 64-1 and the right axle of platen support 64-2.The left end of platen support left side axle 64-1 is riveted on the left web joint 61-5-1 of platen support 61, pass the left bracket plate 50-3 of the base 50 of platen support torsion spring 65 and optical pickup unit core 5 from left to right successively, a spring pin of platen support torsion spring 65 is stuck on the base 50, the downside Elastic Contact of the rack body 61-1 of another root spring pin and platen support 61, thus make platen support 61 be rotationally connected with base 50 elasticity of optical pickup unit core 5 by platen support left side axle 64-1 and platen support torsion spring 65 by its rack body 61-1 and left web joint 61-5-1.The left end of the right axle of platen support 64-2 is riveted on the right web joint 61-5-2 of platen support 61, pass the right axle seat plate 50-4 of the base 50 of optical pickup unit core 5 to the right, thereby make platen support 61 be rotationally connected by the base 50 of platen support right axle 64-2 and optical pickup unit core 5 by its right web joint 61-5-2.

See Fig. 9, Figure 10 and Figure 16, baffle plate assembly 7 comprises and stops frame, left retaining arm axle 73, right blocking arm axle 74, blocking arm push rod 75, blocking arm torsion spring 76 and push rod extension spring 77.

Stop that frame comprises front catch member 70, left retaining arm 71 and right blocking arm 72.Front catch member 70 is the punching press integral piece, and left retaining arm 71 and right blocking arm 72 are the integrated through injection molding part.

Front catch member 70 comprises baffle plate 70-1 and baffle plate crossbeam 70-2.About baffle plate crossbeam 70-2 to being horizontally disposed with.Baffle plate 70-1 is connected on the baffle plate crossbeam 70-2 from the below, and is positioned at the middle part, front side of baffle plate crossbeam 70-2.

Left retaining arm 71 and right blocking arm 72 are all according to the fore-and-aft direction setting.Left retaining arm 71 comprises arm main body 71-1 and the adjutage 71-2 that is connected arm main body 71-1 rear side left part, and the rear portion of arm main body 71-1 has mounting hole 71-3, and the rear portion of the downside of adjutage 71-2 is the high preceding low inclined-plane 71-4 in back.The rear portion of right blocking arm 72 has mounting hole.

The left end of baffle plate crossbeam 70-2 is fixedlyed connected with the front end of left retaining arm 71, and the front end of right blocking arm 72 is fixedlyed connected with the right-hand member of baffle plate crossbeam 70-2, stops frame thereby constitute.

Blocking arm axle bed 11-9 according to from left to right order upper cover plate 11 is enclosed within on the left retaining arm axle 73 by its mounting hole 71-3 successively by its connecting hole, left retaining arm 71, thereby makes left retaining arm 71 be rotationally connected by left retaining arm axle 73 and upper cover plate 11.Wherein, the right-hand member of left retaining arm axle 73 is riveted on the connection hole of the blocking arm axle bed 11-9 of upper cover plate 11.

Be enclosed within on the right blocking arm axle 74 by the blocking arm axle connecting hole 11-3-2 of its right plate 11-3 by its mounting hole, upper cover plate 11 according to the right blocking arm 72 of order from left to right, thereby make right blocking arm 72 be rotationally connected with upper cover plate 11 by right blocking arm axle 74.Wherein, the right-hand member of right blocking arm axle 74 is riveted on the blocking arm axle connecting hole 11-3-2 place of upper cover plate 11.

Blocking arm torsion spring 76 is enclosed within on the blocking arm torsion spring seat 11-10 of upper cover plate 11, the rear end Elastic Contact of the blocking arm axle bed 11-9 of spring pin and upper cover plate 11, the downside Elastic Contact of another spring pin and left retaining arm 71, thus make the front end of left retaining arm 71 upwards lift under normal conditions together with the front end that stops frame.

Blocking arm push rod 75 comprises push rod main body 75-1, thruster bar 75-2 and push rod extension spring hole 75-3.Push rod main body 75-1 horizontal positioned, have sagittal front guide slot 75-4 and back guide groove 75-5, blocking arm push rod 75 is enclosed within on the push rod frong guide column 12-1 and push rod BB1 12-2 of cover assembly 1 by front guide slot 75-4 and back guide groove 75-5, be screwed with screw respectively on push rod frong guide column 12-1 and the push rod BB1 12-2, thereby make blocking arm push rod 75 and upper cover plate 11 front and back be slidingly connected.

The front end upper side of push rod main body 75-1 is low early and high after inclined-plane 75-6, and the front end inclined-plane 75-6 of push rod main body 75-1 matches with inclined-plane, the rear end 71-4 of the adjutage 71-2 of left retaining arm 71 during use.Thruster bar 75-2 horizontal positioned is connected on the right side central of push rod main body 75-1 from right to left.Push rod extension spring hole 75-3 is opened in the rear portion of push rod main body 75-1.The front end of push rod extension spring 77 is connected on the push rod extension spring hole 75-3, and the rear end is connected on the push rod extension spring seat 11-7 of upper cover plate 11.

See Figure 11 to Figure 13, Figure 16 and Figure 20, Control Component 3 comprises controll block 31, tooth bar 32, test rod 33, chip switch 34, controll block extension spring 35 and tooth bar stage clip 36.Controll block 31, tooth bar 32 and test rod 33 are the integrated through injection molding part.

Chip switch 34 is fixed on the upper cover plate 11 by its bottom buckle, and is positioned at the top of the first fixing feet 11-4.

Test rod 33 comprises bar main body 33-1, be connected the CD bumping post 33-2 of bar main body 33-1 rear end from the below and be connected the distribution 33-3 of bar main body 33-1 front portion from the top.The middle part of bar main body 33-1 has connecting hole 33-4, and test rod 33 is enclosed within on the detection pole socket 61-6 of platen assembly 6 from the top down by its connecting hole 33-4, thereby is rotationally connected with platen support 61.Test rod 33 also comprise 2 be positioned at both sides before and after the connecting hole 33-4 be connected location trip 33-5,33-6 on the bar main body 33-1 from the below, the curved edge towards the left front at the middle part, a left side of the rack body 61-1 of platen support 61 stretches among the location trip 33-5 and the formed groove of bar main body 33-1 of test rod 33 front sides, and the location trip 33-6 of rear side is positioned at the first arcuate socket 61-1-1 of platen support 61.CD bumping post 33-2 passes the second arcuate socket 61-1-2 of platen support 61.

Controll block 31 comprises controll block main body 31-1, web joint 31-2, push rod 31-3,2 toothed rack guide pillar 31-5, stage clip post 31-9 and push rod 31-10.Controll block 31 is horizontally disposed with.To setting, also rearward stretch out in the left side that is connected controll block main body 31-1 before and after the web joint 31-2; To setting, its middle part is connected the rear end of web joint 31-2 about push rod 31-3.Push rod 31-3 right part has extension spring hole 31-4.2 toothed rack guide pillar 31-5 are connected on the web joint 31-2 from the below before and after dividing.Controll block main body 31-1 has 2 sagittal guide groove 31-6 about going up and dividing.The high low inclined-plane 31-7 in back before the rear side of controll block main body 31-1 is provided with.This inclined-plane 31-7 is relative with the control panel 61-3 of platen support 61.The left front end of controll block main body 31-1 is provided with sagittal opening and reaches backwards pressure spring slot 31-8 down.Stage clip post 31-9 is arranged on the preceding frid of pressure spring slot 31-8, and towards the rear.The front side left part of controll block main body 31-1 is relative with the trailing flank of the thruster bar 75-2 of the baffle plate push rod 75 of baffle plate assembly 7.The push rod 31-10 of tip-angled shape is arranged on the right side front end of controll block main body 31-1, and push rod 31-10 is relative with the trailing flank of the adjutage 21-2 of the main fork 21 of turnover disc mechanism 2.

Tooth bar 32 comprises tooth plate 32-1, rear side push rod 32-2 and stage clip post 32-3.The toothrow of tooth bar 32 is positioned at the left side towards left, is meshed with the rear side power output of gear train 4; Rear side push rod 32-2 is from the right-hand right side that is connected tooth plate 32-1, and according to the left and right directions setting.Stage clip post 32-3 is connected the front side right-hand member of tooth plate 32-1, according to the fore-and-aft direction setting.The tooth plate 32-1 of tooth bar 32 goes up and has 2 guide groove 32-4 according to fore-and-aft direction.

Tooth bar 32 horizontal positioned, tooth bar 32 is enclosed within on the respective rack guide pillar 31-5 of controll block 31 by 2 guide groove 32-4 from the below, tooth bar stage clip 36 is arranged in the pressure spring slot 31-8 of controll block 31, its front end sleeve is on the stage clip post 31-9 of controll block 31, the rear end is enclosed within on the stage clip post 32-3 of tooth bar 32, thereby makes tooth bar 32 be connected with controll block 31 Elastic Sliding.

Controll block 31 is enclosed within on the controll block left side guide pillar 12-3 and the right guide pillar 12-4 of controll block of cover assembly 1 by its 2 guide groove 31-6, thereby makes controll block 31 be slidingly connected by controll block left side guide pillar 12-3 and the right guide pillar 12-4 of controll block and upper cover plate 11 front and back.Controll block 31 can be in the unloading position at rear or be in the loading position in the place ahead.When controll block is in loading position, can make that this device is in stress state, the left part of the push rod 31-3 of controll block 31 contacts with chip switch 34, makes the driving motor 41 of gear train 4 stop operating; The right part of the push rod 31-3 of controll block 31 promotes the distribution 33-3 of test rod 33, makes test rod 33 rotate counterclockwise with CD and separates; The inclined-plane 31-7 of controll block main body 31-1 rear side separates with the control panel 61-3 of platen support 61, makes platen 62 and the turntable 52-1 that is positioned at the below that CD is clamped; The trailing flank of the thruster bar 75-2 of the baffle plate push rod 75 of the front side left part promotion baffle plate assembly 7 of controll block main body 31-1, the CD that makes baffle plate 70-1 cover front side board 11-2 is imported and exported; The trailing flank of the adjutage 21-2 of the main fork 21 of the push rod 31-10 ejection turnover disc mechanism 2 of controll block main body 31-1; Make link gear be in open configuration.The front end of controll block extension spring 35 is fastened on the extension spring hole of the push rod 31-3 that is connected controll block 31, and the rear end is connected on the controll block extension spring seat 61-4 of platen assembly 6.In the use, when the rear side power output 49 of gear train 4 was thrown off with the cooperating of controll block 31, control piece extension spring 35 made controll block 31 get back to unloading position, thereby can make that this device is in unloaded state.

See Fig. 1 to Fig. 5, shell 8 comprises mount pad 81, top cover 82 and hatch panel 83.

Mount pad 81 is the integrated through injection molding part, comprises mount pad base plate 81-1, is arranged on front side board 81-2, back side panel 81-3, left plate 81-4, right plate 81-5 and 6 erection column 81-6 on the mount pad base plate 81-1.Front side board 81-2, back side panel 81-3, left plate 81-4 and right plate 81-5 constitute the peripheral panels of mount pad 81 jointly.Front side board 81-2 is provided with rectangular aperture.Hatch panel 83 is provided with the CD inlet port, and hatch panel 83 is fixed on the rectangular aperture place.

Mount pad base plate 81-1 be around the position for highly higher stepped plate, middle part for highly lower central panel, by the step plate body that vertical plate body links together stepped plate and central panel, the central panel of mount pad base plate 81-1 is provided with each mount pad and crisscross gusset.6 erection column 81-6 are divided into two groups, and 3 erection column 81-6 of first group are fixed on left part, middle part and the right part of the rear side stepped plate of mount pad base plate 81-1; 3 erection column 81-6 of second group are fixed on the left part and the right part of the front side stepped plate of mount pad base plate 81-1.

2 wiring plates 93 are divided into left wiring plate 93-1 and right wiring plate 93-2 each other according to the left and right directions setting.Left side wiring plate 93-1 by screw from the left side of upper fixed in the middle part of mount pad base plate 81-1, right wiring plate 93-2 by screw from the right side of upper fixed in the middle part of mount pad base plate 81-1.

Have strip winding displacement hole that is positioned at left wiring plate 93-1 left side and the strip winding displacement hole that is positioned at right wiring plate 93-2 right side on the vertical plate body of mount pad base plate 81-1.

Radiating circuit plate 92, and stretches out on the front side stepped plate of mount pad base plate 81-1 backward from upper fixed.Circuit board for receiving 91 is fixed on the circuit panel seat 11-12 of upper cover plate 11.

The rear and front end of the left plate 81-4 bottom of mount pad 81 is respectively equipped with installation foot 81-7, and the front side at top is provided with left positioning seat 81-8-1.The left and right sides of the right plate 81-5 bottom of mount pad 81 also is respectively equipped with installation foot, and the front side at top is provided with right positioning seat 81-8-2.All have dowel hole and screw hole on the left and right positioning seat.The left side at the middle part of the back side panel 81-3 of mount pad 81 and right side respectively are provided with bending forward, and positioning seat 81-8-3 is separately positioned on the top of two places bending after 2.

Each shockproof web member 94 comprises rubber shock-absorbing circle 94-1 and band cap screw 94-2.Rubber shock-absorbing circle 94-1 periphery is provided with caulking groove, the middle part is provided with mounting hole, the mounting hole of rubber shock-absorbing circle 94-1 is enclosed within on the erection column 81-6 of mount pad 81, the pressure cap of band cap screw 94-2 be pressed in rubber shock-absorbing circle 94-1 on, the lower end of band cap screw 94-2 screws on the erection column 81-6 of mount pad base plate 81-1, and rubber shock-absorbing circle 94-1 is arranged on the mount pad base plate 81-1 of mount pad 81; The base 50 of optical pickup unit core 5 blocks rubber shock-absorbing circle 94-1 by antivibration pad Connection Block 50-2, and is inserted in the caulking groove of rubber shock-absorbing circle 94-1.Thereby optical pickup unit core 5 is seated on the mount pad base plate 81-1 of mount pad 81 by shockproof web member 94 elasticity by its base 50.

See Fig. 3, the front portion in the left side of top cover 82 is provided with left holder 82-1, and left holder 82-1 is provided with the register pin that is directed downwards.Top cover 82 is inserted downwards by its register pin in the dowel hole of left positioning seat 81-8-1 of mount pad 81, left holder 82-1 by screw retention on left positioning seat 81-8-1.The middle part on the right side of top cover 82 is provided with right holder 82-2, and right holder 82-2 is provided with the register pin that is directed downwards.Top cover 82 is inserted downwards by its register pin in the dowel hole of right positioning seat 81-8-2 of mount pad 81, right holder 82-2 by screw retention on right positioning seat 81-8-2.The front end left and right sides of top cover 82 is provided with 2 buckle 82-3,2 buckle 82-3 respectively with the peripheral panels of mount pad 81 on protruding clamping.Holder 82-4 after corresponding 2 grooves of the rear end of top cover 82 and mount pad 81 shapes are respectively equipped with 2, back holder 82-4 by screw retention on the positioning seat 81-8-3 of back.

For explain convenient for the purpose of, in the present embodiment to the description of the orientation, position of each parts and mutual relationship according to carrying out under the base 50 horizontal positioned states.When the optical pickup unit core of present embodiment was used, its base 50 both can carry out horizontal positioned according to the mode of foregoing description to be used, and also can use under the horizontal positioned state, or use under the inclination laying state.

The course of work of the suction type disk loading device of present embodiment (hereinafter to be referred as disk loading device) is as follows: under the situation of no CD, turnover dish extension spring 29-5 applies pulling force backward to left transiting rod 23 and makes the front end of winner's fork 21 be in right positions together with master file wheel 22, and keep the trend turn right, promote by 23 pairs of right transiting rods 24 of left transiting rod simultaneously with its engagement, and make 24 pairs of secondary forks 25 of right transiting rod apply acting force backward and make the front end of secondary fork 25 be in leftward position, and keep the trend (referring to Figure 11) turn left together with secondary rolling wheel 26.Sub-arm torsion spring 29-6 then makes sub-arm 27 be in leftward position, and keeps the trend (Figure 11) turn left.35 pairs of controll blocks 31 of controll block extension spring apply a pulling force backward, make controll block 31 be in rearward position together with tooth bar 32,32 of tooth bars apply backward thrust by the left end of 32 2 pairs of test rods 33 of thruster bar thereafter, then make the CD bumping post 33 2 of test rod 33 be in forward position (Fig. 6 and Fig. 7).Tooth bar stage clip 36 makes tooth bar 32 be in rearward position (Figure 12) with respect to controll block 31.When no CD, platen support torsion spring 65 makes platen support 61 that the trend of downward motion be arranged, platen support 61 control panel 61-3 under the top effect of lifting of the inclined-plane 31-7 on the controll block 31, the position (Figure 19) that makes platen support 61 be in to lift.Blocking arm torsion spring 76 makes stopping that frame is in respect to upper cover plate 11 and lifting position (Fig. 9) of baffle plate assembly 7.Push rod extension spring 77 makes blocking arm push rod 75 be in rearward position with respect to upper cover plate 11.

During use, CD is inserted the CD inlet port of disk loading device, CD is sandwiched in the central slot of master file wheel 22 and secondary rolling wheel 26.Make master file wheel 22 to left movement by external force, and then the left end that makes main fork 21 promote left transiting rod 23 overcomes the pulling force of turnover dish extension spring 29 5 and travels forward, this acting force is successively by right transiting rod 24, secondary fork 25 passes to secondary rolling wheel 26, make secondary rolling wheel 26 move right with identical amplitude, thereby master file wheel 22 and secondary rolling wheel 26 angle symmetries are strutted, meanwhile, because of CD has been blocked light path between circuit board for receiving 91 and the radiating circuit plate 92, thereby make gear train 4 driving motor 41 electric and rotate counterclockwise, make it to clockwise rotate by posterior lateral tooth wheels transferring power to rear side the 3rd gear 49 on the one hand, on the other hand by anterior lateral tooth wheels transferring power to the front side the 4th gear 47, drive master files wheel 22 by front side the 4th gear 47 and rotate counterclockwise.Secondary rolling wheel 26 does not rotate, and master file wheel 22 relies on friction force that CD is being prolonged first optical pick-up device driving parts and the perpendicular direction of the second optical pick-up device driving parts direction of motion with optical pickup unit core 5 in rotation, sends into disk loading device inside.CD enters in the process of inside of disk loading device, and master file wheel 22 and secondary rolling wheel 26 are close to the CD edge under the effect of the pulling force of turnover dish extension spring 29-5.

Phase one, along with entering of CD, the distance of being separated by between two rolling wheels increases gradually, when master file wheel 22 moves to the left, make winner's fork 21 swing to the left along clockwise direction, simultaneously left transiting rod 23 is applied the power that promotes forward, and make left transiting rod 23 rotate counterclockwise, 24 of right transiting rods that are meshed with left transiting rod 23 clockwise rotate synchronously, thereby 24 pairs of secondary forks 25 of right transiting rod apply a thrust forward, and make secondary fork 25 be with secondary rolling wheel 26 to swing to the right.

(following when the motion to CD is described, with the working direction of CD front end as CD, this with the CD inlet port of front side board 11-2 as the front end of disk loading device contradiction not).

For CD, in the phase one, the front end both sides of CD are by

master file wheel

22 and 26 clampings of secondary rolling wheel, and the rear end of CD is blocked by the upside of the opening part of front side board 11-2, and CD keeps horizontality to enter disk loading device inside substantially.When CD entered disk loading device inside, except the rectilinear motion of fore-and-aft direction, also the central slot bottom land with secondary rolling wheel 26 was movable axle center, clockwise rotates slowly.When CD entered into half position, the phase one finished, and the distance of being separated by between master file wheel 22 and the secondary rolling wheel 26 is maximum.

Subordinate phase, along with CD continue enter, under the effect of the pulling force of turnover dish extension spring 29-5, the distance of being separated by between two rolling wheels diminishes gradually.The left front end margin of CD contacts with the right side of straight line block 28, the right front ends edge of CD contacts with the inclined-plane tray 27-2 of sub-arm 27, overcome the elastic force of sub-arm torsion spring 29-6 and promote sub-arm 27 and clockwise rotate, inclined-plane tray 27-2 holds CD, under the acting in conjunction of straight line block 28, make it continue to keep horizontality to enter disk loading device inside.

After CD all enters disk loading device inside, the left front end margin of CD contacts with the CD bumping post 33-2 of test rod 33, stirring test rod 33 rotates counterclockwise, the distribution 33-3 of test rod 33 promotes the rear side push rod 32-2 of tooth bar 32, make tooth bar 32 overcome tooth bar stage clip 36 elastic force and with respect to controll block 31 from the back to front slide, when tooth bar 32 moves to its tooth plate 32-1 when being meshed with the pinion wheel of the lower end of the rear side that clockwise rotates the 3rd gear 49 of the posterior lateral tooth wheels of gear train 4, tooth bar 32 continues under the drive of the pinion wheel of the lower end of rear side the 3rd gear 49 from the back to front slide.Tooth bar 32 disengages with test rod 33 on the one hand, and tooth bar 32 drives controll block 31 together to front slide on the other hand.

Along with controll block 31 to front slide, on the one hand the forward right side of the push rod 31-3 of controll block 31 promotes the distribution 33-3 of test rod 33, makes the CD bumping post 33-2 of test rod 33 and the edge separation of CD; The front left side of the push rod 31-3 of second aspect controll block 31 promotes chip switch 34, driving motor 41 stop motions; The front end of the push rod 31-10 of third aspect controll block 31 promotes the adjutage 21-2 of main fork 21, makes master file wheel 22 and secondary rolling wheel 26 outwards open simultaneously, and with the edge separation of CD, make link gear be in open configuration; The secondary fork 25 of fourth aspect turns right with the turning left synchronised of main fork 21, and the protruding backwards 25-3 of secondary fork 25 promotes the protruding 27-3 of sub-arm 27 forward, makes sub-arm 27 clockwise rotate, the edge separation of inclined-plane tray 27-2 and CD; The inclined-plane 31-7 of the 5th aspect controll block 31 travels forward and withdraws from from the below of the control panel 61-3 of platen support 61, make platen support 61 under the effect of platen support torsion spring 65, its front end presses down together with platen 62, thereby has finished the clamping action of 62 pairs of CDs of platen; The leading flank of the controll block main body 31-1 of the 6th aspect controll block 31 promotes the thruster bar 75-2 of baffle plate push rod 75, make baffle plate push rod 75 to front slide, front end inclined-plane 75-6 inserts the below of inclined-plane, the rear end 71-4 of left retaining arm 71, make the stopping that frame overcomes the elastic force of blocking arm torsion spring 76 of baffle plate assembly 7 and front end descends, baffle plate 70-1 covers the CD of front side board 11-2 and imports and exports.

After if CD enters disk loading device inside, contacting with the CD bumping post 33-2 of test rod 33, Jiang Qiding forwards after, in the time of also will moving on, then the front end of CD will be subjected on the base 50 the stopping of limited post 50-5, it can not be travelled forward.

CD by platen 62 and turntable 52-1 clamping after, by control circuit under programmed control, after controlling the song table information that in 2 light pickers one reads CD, discern the form of the information of its imprinting again by control circuit, and decision is read by wherein a corresponding light picker, control circuit drives this light picker by the corresponding driving parts subsequently, CD is read again.

After CD reads end, in the time of need moving back dish, press corresponding switch, driving motor 41 energisings clockwise rotate, and make front side the 4th gear 47 drive master file wheel 22 on the one hand and together clockwise rotate, and make rear side the 3rd gear 49 rotate counterclockwise on the other hand; 32 the pasts of tooth bar that are meshed with rear side the 3rd gear 49 move backward, and controll block 31 also slides backward under the effect of controll block extension spring 35.Along with sliding backward of controll block 31, effect lower baffle plate push rod 75 in baffle plate push rod extension spring 77 also slides backward in the past, its front end inclined-plane 75-6 then withdraws from from the below of inclined-plane, the rear end 71-4 of the adjutage 71-2 of left retaining arm 71, under the effect of blocking arm torsion spring 76, the front end that stops frame of baffle plate assembly 7 rises, baffle plate 70-1 withdrawal hatch top.Along with sliding backward of controll block 31, the inclined-plane 31-7 of controll block 31 inserts the below of the control panel 61-3 of platen support 61, makes platen 62 perks of platen assembly 6 front ends, unclamps the clamping to CD.Along with sliding backward of controll block 31, the push rod 31-10 of controll block 31 recession makes master file wheel 22 and secondary rolling wheel 26 inwardly close up simultaneously under the effect of turnover dish extension spring 29-5.The protruding backwards 25-3 of secondary fork 25 and the protruding forward 27-3 of sub-arm 27 stagger, and make sub-arm 27 under the effect of sub-arm torsion spring 29-6, rotate counterclockwise, and the right front ends side edge of its inclined-plane tray 27-2 and CD is touched, and CD is held up.Straight line block 28 has guaranteed the placing direction of CD.CD is sandwiched in the central slot of master file wheel 22 and secondary rolling wheel 26, and master file wheel 22 clockwise rotates under the drive of anterior lateral tooth wheels.Master file wheel 22 relies on friction force to keep horizontality to send disk loading device CD.Light path during simultaneously because of the withdrawing from of CD between circuit board for receiving 91 and the radiating circuit plate 92 changes, and when the front end of CD left disk loading device, the driving motor 41 of gear train 4 stopped operating.

(embodiment 4, suction type disk loading device)

The remainder of the optical pickup unit core of present embodiment is identical with embodiment 3, and difference is: the optical pickup unit core 5 in the present embodiment is obtained by embodiment 2.

Claims

1. an optical pickup unit core comprises base (50), spindle motor (51-1), turntable assembly (52) and slider block (53); Base (50) comprises base plate (50-1) and antivibration pad Connection Block (50-2); The turntable (52-1) of turntable assembly (52) is fixed on the upper end of motor shaft of spindle motor (51-1); Each slider block (53) is separately fixed on the base plate (50-1), and is positioned at the below of base plate (50-1); It is characterized in that:

Optical pickup unit core (5) also comprises first optical pick-up device driving parts and second optical pick-up device driving parts that all is arranged on the base plate (50-1) and is positioned at base plate (50-1) below;

Have CD on the base plate (50-1) and read the hole; The spindle motor (51-1) of spindle motor assembly (51) is fixed on the base plate (50-1) by its motor casing, perhaps be fixedly connected on the plate body of the motor mounting plate (51-3) that is fixed on the base plate (50-1), and spindle motor (51-1) is positioned at the central part of base plate (50-1);

First optical pick-up device driving parts comprises that first light picker (54), the first main slide bar (55-1), the first secondary slide bar (55-8), the first slide bar installation component and first slide gear train (56); First optical pick-up device driving parts is positioned at the left side of spindle motor (51-1), and its first light picker (54) reads the hole from the CD of base plate (50-1) and upwards exposes; The two ends of the first main slide bar (55-1) and the first secondary slide bar (55-8) are separately positioned in the corresponding slider block (53), and the first main slide bar (55-1) and the first secondary slide bar (55-8) are positioned on the base plate (50-1) by the first slide bar installation component elasticity; First slides gear train (56) is arranged on the base plate (50-1) from the below, and is positioned at the rear of the first main slide bar (55-1); First light picker (54) horizontally slips with the first secondary slide bar (55-8) with the first main slide bar (55-1) and is connected; The power output that the power input component of first light picker (54) and first slides gear train (56) is connected movingly;

Second group of optical pick-up device driving parts comprises that second light picker (57), the second main slide bar (58-1), the second secondary slide bar (58-8), the second slide bar installation component and second slide gear train (59); Second group of optical pick-up device driving parts is positioned at the right side of spindle motor (51-1), and its second light picker (57) reads the hole from the CD of base plate (50-1) and upwards exposes; The two ends of the second main slide bar (58-1) and the second secondary slide bar (58-8) are separately positioned in the slider block (53), and the second main slide bar (58-1) and the second secondary slide bar (58-8) are positioned on the base plate (50-1) by the second slide bar installation component elasticity; Second slides gear train (59) is arranged on the base plate (50-1) from the below, and is positioned at the place ahead of the second main slide bar (58-1); Second light picker (57) horizontally slips with the second secondary slide bar (58-8) with the second main slide bar (58-1) and is connected; The power output that the power input component of second light picker (57) and first slides gear train (59) is connected movingly.

2. according to the described optical pickup unit core of claim 1, it is characterized in that: the spindle motor (51-1) of described spindle motor assembly (51) is a brushless electric machine; Spindle motor (51-1) is fixedly connected on the plate body of the motor mounting plate (51-3) that is fixed on the base plate (50-1) by its motor casing; CD on the base plate (50-1) reads Kong Weiyi strip medium pore (50-6);

Spindle motor assembly (51) also comprises 3 to 4 motor mounting plate joint pins (51-2); Motor mounting plate (51-3) is fixed on the base plate (50-1) from the below by each motor mounting plate joint pin (51-2), and motor mounting plate (51-3) strides across the medium pore of the strip of base (50) on fore-and-aft direction; Spindle motor (51-1) is fixed on the motor mounting plate (51-3) by its bottom, and is positioned at the top center position of motor mounting plate (51-3); The motor shaft of spindle motor (51-1) passes the strip medium pore (50-6) of base plate (50-1).

3. according to the described optical pickup unit core of claim 2, it is characterized in that: described slider block (53) has 6, is divided into slider block (53-2) in back left slider block (53-1), the back, back right slider block (53-3), preceding left slider block (53-4), preceding middle slider block (53-5) and preceding right slider block (53-6) according to the position that distributes; Each slider block (53) is equipped with the compression spring hole that axis normal is provided with; Back left slider block (53-1) and preceding left slider block (53-4) are equipped with that Open Side Down and to the right slide bar chamber; Back right slider block (53-3) and preceding right slider block (53-6) are equipped with that Open Side Down and left slide bar chamber; Slider block (53-2) is provided with that Open Side Down and slide bar chamber to the right in the back, and front middle part slider block (53-5) is provided with that Open Side Down and slide bar chamber left;

The first slide bar installation component comprise the first main slide bar vertically to stage clip (55-2), back left flap (55-3), 3 adjust screw (55-4), the first main slide bar level in stage clip (55-5), back seat board (55-6), stop screw (55-7), 2 first secondary slide bar stage clips (55-9), preceding left flap (55-10), preceding in flap (55-11); The first main slide bar (55-1), the first secondary slide bar (55-8) and the first slide bar installation component have together constituted first group of slide bar assembly (55);

The first main slide bar vertically is arranged in the compression spring hole of the left slider block in back (53-1) to stage clip (55-2), and its upper end contacts with the lower surface of base plate (50-1); The left end of the first main slide bar (55-1) stretches in the slide bar chamber of the left slider block in back (53-1), and contacts with the vertical lower end to stage clip (55-2) of the first main slide bar of top; By screw the left flap in back (55-3) is fixed on the back left slider block (53-1) from the below, and one adjusted screw (55-4) and screw from bottom to top on the left flap in back (55-3), and withstand on from bottom to top on the first main slide bar (55-1) by its tail end; Seat board (55-6) is fixed on from the below the back on the slider block (53-2) by screw in the back, and is arranged in the front end of back slider block (53-2); The upside of the right-hand member head of the first main slide bar (55-1) contacts with the lower surface of seat board (55-6) in the back, the first main slide bar level is on the direction stage clip post forward of rear sleeve slider block (53-2) in the back of stage clip (55-5), its rear end contacts with slider block (53-2) in the back, the first main slide bar level withstands on the right-hand member head rear side of the first main slide bar (55-1) to the front end of stage clip (55-5), stop screw (55-7) screws in the back on the seat board (55-6) from bottom to top, and carries out spacing by the rear side of its double-screw bolt and the frustum cone side of head to the downside and the front side of the right-hand member head of the first main slide bar (55-1);

2 first secondary slide bar stage clips (55-9) respectively vertically before being arranged on left slider block (53-4) and preceding in the corresponding compression spring hole of slider block (53-5), their upper ends separately contact with the lower surface of base plate (50-1); Before the left end of the first secondary slide bar (55-8) stretches in the slide bar chamber of left slider block (53-4), and contact with the lower end of the first secondary slide bar stage clip (55-9) of top; Before by screw preceding left flap (55-10) being fixed on from the below on the left slider block (53-4), and one adjusted screw (55-4) and screw from bottom to top on preceding left flap (55-10), and withstood on from bottom to top on the first secondary slide bar (55-8) by its tail end; In before the right-hand member of the first secondary slide bar (55-8) stretches in the slide bar chamber of slider block (53-5), and contact with the lower end of the first secondary slide bar stage clip (55-9) of top; With on the slider block (53-5) flap (55-11) in preceding is before the below is fixed on, and an adjustment screw (55-4) screws on the flap in preceding (55-11) from bottom to top by screw, and withstood on from bottom to top on the first secondary slide bar (55-8) by its tail end;

The second slide bar installation component comprise the second main slide bar vertically to stage clip (58-2), preceding right flap (58-3), 3 adjust screw (58-4), the second main slide bar level to stage clip (58-5), preceding in seat board (58-6), stop screw (58-7), 2 second secondary slide bar stage clips (58-9), back right flap (58-10), back in flap (58-11); The second main slide bar (58-1), the second secondary slide bar (58-8) and the second slide bar installation component have together constituted second group of slide bar assembly (58);

The second main slide bar vertically in the compression spring hole of right slider block (53-6), contacts with the lower surface of base plate (50-1) on it before stage clip (58-2) is arranged on; The right-hand member of the second main slide bar (58-1) stretches in the slide bar chamber of preceding right slider block (53-6), and contacts with the vertical lower end to stage clip (58-2) of the second main slide bar of top; Before by screw preceding right flap (58-3) being fixed on from the below on the right slider block (53-6), and one adjusted screw (58-4) and screw from bottom to top on preceding right flap (58-3), and withstood on from bottom to top on the second main slide bar (58-1) by its tail end; Before in seat board (58-6) by screw is before the below is fixed on the slider block (53-5), and be arranged in the front end of preceding slider block (53-5); The upside of the left end head of the second main slide bar (58-1) contacts with the lower surface of preceding middle seat board (58-6), on the direction stage clip post backward of the second main slide bar level middle slider block (53-5) before the front portion of stage clip (58-5) is enclosed within, its front end contacts with preceding middle slider block (53-5), the second main slide bar level withstands on the left end head front side of the second main slide bar (58-1) to the rear end of stage clip (58-5), seat board (58-6) screws on the slider block in preceding (53-5) in before stop screw (58-7) passes from bottom to top, and carries out spacing by the frustum cone side of the front side of its double-screw bolt and head to the downside and the rear side of the left end head of the second main slide bar (58-1);

2 second secondary slide bar stage clips (58-9) respectively vertically to be arranged on back right slider block (53-3) and afterwards in the corresponding compression spring hole of slider block (53-2), their upper ends separately contact with the lower surface of base plate (50-1); The right-hand member of the second secondary slide bar (58-8) stretches in the slide bar chamber of the right slider block in back (53-3), and contacts with the lower end of the second secondary slide bar stage clip (58-9) of top; By screw the right flap in back (58-10) is fixed on the back right slider block (53-3) from the below, and one adjusted screw (58-4) and screw from bottom to top on preceding left flap (55-10), and withstand on from bottom to top on the second secondary slide bar (58-8) by its tail end; The left end of the second secondary slide bar (58-8) stretches in the back in the slide bar chamber of slider block (53-2), and contacts with the lower end of the second secondary slide bar stage clip (58-9) of top; By screw will the back in flap (58-11) be fixed on from the below the back on the slider block (53-2), and one adjusted screw (58-4) and screw from bottom to top in the back on the flap (58-11), and withstood on from bottom to top on the second secondary slide bar (58-8) by its tail end.

4. according to the described optical pickup unit core of claim 3, it is characterized in that: described first slides gear train (56) comprises first stepper motor (56-1), first screw mandrel (56-2), first motor mount (56-3) and first flexible printed circuit board (56-4); First screw mandrel (56-2) is the first power output that slides gear train (56), it also is the motor shaft of first stepper motor (56-1), first stepper motor (56-1) is fixed on first motor mount (56-3) by its motor casing, and the right-hand member head of first screw mandrel (56-2) and first motor mount (56-3) are rotationally connected; The control signal output ends of first flexible printed circuit board (59-4) is electrically connected with the control end of first stepper motor (56-1); By screw first motor mount (56-3) is fixed on the base plate (50-1) from the below, and is positioned at the rear of the first main slide bar (55-1);

Second slides gear train (59) comprises second stepper motor (59-1), second screw mandrel (59-2), second motor mount (59-3) and second flexible printed circuit board (59-4); Second screw mandrel (59-2) is the second power output that slides gear train (59), it also is the motor shaft of second stepper motor (59-1), second stepper motor (59-1) is fixed on second motor mount (59-3) by its motor casing, and the right-hand member head of second screw mandrel (59-2) and second motor mount (59-3) are rotationally connected; The control signal output ends of second flexible printed circuit board (59-4) is electrically connected with the control end of second stepper motor (59-1); By screw second motor mount (59-3) is fixed on the base plate (50-1) from the below, and is positioned at the rear of the second main slide bar (58-1).

5. according to the described optical pickup unit core of claim 4, it is characterized in that: the light picker of described first light picker (54) for matching with a kind of CD of standard and using, the light picker of second light picker (57) for matching and use with the CD of another kind of standard;

First light picker (54) comprises light picker main body (54-1), back linking arm (54-2), preceding linking arm (54-3), first feed screw nut (54-4) and the first buffering stage clip; Back linking arm (54-2) and preceding linking arm (54-3) are connected as a single entity with the shell of light picker main body (54-1), and back linking arm (54-2) is positioned at the rear side of light picker main body (54-1), and preceding linking arm (54-3) is positioned at the front side of light picker main body (54-1); The direction of the optical lens of light picker main body (54-1) upwards; The back linking arm (54-2) of first light picker (54) is enclosed within on the first main slide bar (55-1), and horizontally slips with the first main slide bar (55-1) and to be connected; The preceding linking arm (54-3) of first light picker (54) is contacted with the first secondary slide bar (55-8) by following three directions in last back, and is stuck on the first secondary slide bar (55-8); First feed screw nut (54-4) is the power input component of first light picker (54), first feed screw nut (54-4) comprises mount pad (54-4-1) and is connected the opening deckle board spare (54-4-2) up of mount pad (54-4-1) back side top, the rear end face of the back side panel of deckle board spare (54-4-2) is provided with thread (54-4-3), and first feed screw nut (54-4) is meshed with first screw mandrel (56-2) at rear by its thread (54-4-3); First feed screw nut's (54-4) mount pad (54-4-1) from upper fixed on back linking arm (54-2); The first buffering stage clip is arranged between the front side deckle board and back side panel of deckle board spare (54-4-2) of first feed screw nut (54-4);

Second light picker (57) comprises light picker main body (57-1), preceding linking arm (57-2), back linking arm (57-3), second feed screw nut (57-4) and the second buffering stage clip (57-5); Preceding linking arm (57-2) and back linking arm (57-3) are connected as a single entity with the shell of light picker main body (57-1), and preceding linking arm (57-2) is positioned at the front side of light picker main body (57-1), and back linking arm (57-3) is positioned at the rear side of light picker main body (57-1); The direction of the optical lens of light picker main body (57-1) upwards; The preceding linking arm (57-2) of second light picker (57) is enclosed within on the second main slide bar (58-1), and horizontally slips with the second main slide bar (58-1) and to be connected; The back linking arm (57-3) of second light picker (57) is contacted with the second secondary slide bar (58-8) by following three directions of going forward, and is stuck on the second secondary slide bar (58-8); Second feed screw nut (57-4) is the power input component of second light picker (57), second feed screw nut (57-4) comprises mount pad (57-4-1) and is connected the opening deckle board spare (57-4-2) up of top, mount pad (57-4-1) front side, the front end face of the front side board of the deckle board of deckle board spare (57-4-2) is provided with thread (57-4-3), and second feed screw nut (57-4) is meshed with second screw mandrel (59-2) in the place ahead by its thread (57-4-3); Second feed screw nut's (57-4) mount pad (57-4-1) from upper fixed on preceding linking arm (57-2); The second buffering stage clip (57-5) is arranged between the rear side deckle board and front side board of deckle board spare (57-4-2) of second feed screw nut (57-4).

6. according to the described optical pickup unit core of claim 5, it is characterized in that: described first light picker (54) also comprises first contact (54-6); Second light picker (57) also comprises the second wafer (57-6); Spindle motor assembly (51) also comprises first switch (51-4) and second switch (51-5);

First contact (54-6) from upper fixed on the front side frame of first feed screw nut (54-4); The second wafer (57-6) from upper fixed on the rear frame of second feed screw nut (57-4);

First switch (51-4) is fixed on the motor mounting plate (51-3), and is positioned at the left back position, top of motor mounting plate (51-3), and switch contact stretches out left; Second switch (51-5) is fixed on the motor mounting plate (51-3), and is positioned at the right front position, top of motor mounting plate (51-3), and switch contact stretches out to the right.

7. a suction type disk loading device comprises turnover disc mechanism (2), Control Component (3), gear train (4), optical pickup unit core (5) and platen assembly (6); Optical pickup unit core (5) comprises base (50), spindle motor (51-1), turntable assembly (52) and slider block (53); Base (50) comprises base plate (50-1) and antivibration pad Connection Block (50-2); The turntable (52-1) of turntable assembly (52) is fixed on the upper end of motor shaft of spindle motor (51-1); Platen assembly (6) comprises platen support (61) and is automatically connected in platen (62) on the platen support (61); Platen (62) is in the corresponding position of turntable assembly (52) with optical pickup unit core (5); Each slider block (53) is separately fixed on the base plate (50-1), and is positioned at the below of base plate (50-1); It is characterized in that:

Also comprise cover assembly (1); Cover assembly (1) comprises upper cover plate (11); Cover assembly (1) and platen support (61) all are arranged on the base (50) of optical pickup unit core (5) from the top, and platen support (61) is positioned at the rear of cover assembly (1);

Turnover disc mechanism (2) is arranged on the cover assembly (1); Turnover disc mechanism (2) be an edge resilient clamp tumbling-type turnover dish link gear, and the opposite side edge of chucking optical disk and the secondary rolling wheel (26) that contacts with the CD rolling when turnover disc mechanism (2) comprises link gear, one lateral edges of chucking optical disk and the master file wheel (22) of carrying CD of rolling are with the use that is positioned at the link gear other end when being positioned at the use of link gear one end; Link gear can be in open configuration or rounding state in use; Turnover disc mechanism (2) comprises that also the link gear that makes that is connected between link gear and the upper cover plate (11) tends to the turnover dish extension spring (29-5) of rounding state;

Gear train (4) comprises and is arranged on the front side power output (47) in turnover disc mechanism (2) and is arranged on rear side power output (49) on the cover assembly (1); The front side power output (47) of gear train (4) is fixedlyed connected with the master file wheel (22) of turnover disc mechanism (2);

Control Component (3) comprises that CD touches part (33), transition control piece (32) and control piece (31); CD touches part (33) and is rotatably connected on the platen support (61), and CD can touch part (33) with CD and contacts when using; Transition control piece (32) is arranged on the control piece (31), and CD touches part (33) and can contact with transition control piece (32) during use, and transition control piece (32) can make control piece (31) match with the rear side power output (49) of gear train (4); Control piece (31) is according to being arranged on the upper cover plate (11) with respect to the mode of sliding before and after the upper cover plate (11), control piece in the use (31) can be in the unloading position at rear or be in the loading position in the place ahead, perhaps slides with respect to upper cover plate (11) front and back between unloading position and loading position; When control piece (31) when being in loading position, can make that this device is in stress state; Control Component (3) also comprises the control piece extension spring (35) that is connected between platen assembly (6) and the control piece (31); In the use, when the rear side power output (49) of gear train (4) was thrown off with the cooperating of control piece (31), control piece extension spring (35) made control piece (31) get back to unloading position, thereby can make that this device is in unloaded state;

8. suction type disk loading device according to claim 7, it is characterized in that: the upper cover plate (11) of described cover assembly (1) is a steel punching press integral piece, comprises substrate (11-1), is positioned at the front side board (11-2) of substrate (11-1) forward edge, first fixing feet (11-4) and the turnover dish extension spring back seat (11-5) that are positioned at the posterior edges right part of substrate (11-1), second fixing feet (11-6) that is positioned at the left side edge rear portion of substrate (11-1), driving motor seat (11-8) and is positioned at the circuit panel seat (11-12) of the left front portion of substrate (11-1); Front side board (11-2) is vertical to be provided with, and has CD on it and imports and exports;

Cover assembly (1) also comprises left transiting rod screw axis (13-1), right transiting rod screw axis (13-2), secondary fork screw axis (13-3), main fork vertical shaft (14-2), first support column (15-1) and second support column (15-2);

Upper cover plate (11) is by its first fixing feet (11-4) and second fixing feet (11-6) and by being positioned on the base (50) that first support column (15-1) that is provided with about below, upper cover plate (11) front side is divided and second support column (15-2) be fixed on optical pickup unit core (5);

The link gear of turnover disc mechanism (2) comprises main fork (21), left transiting rod (23), right transiting rod (24) and secondary fork (25);

The right-hand member of left side transiting rod (23) is profile of tooth board (23-4), and left part is provided with turnover dish extension spring front stall (23-2); The right part of left side transiting rod (23) is enclosed within on the left transiting rod screw axis (13-1) of cover assembly (1), and left side transiting rod (23) can rotate with respect to upper cover plate (11) during use;

The front end sleeve of turnover dish extension spring (29-5) is on the turnover dish extension spring front stall (23-2) of left transiting rod (23), and the rear end of turnover dish extension spring (29-5) is enclosed within on the turnover dish extension spring back seat (11-5) of upper cover plate (11);

The right-hand member of main fork (21) rear side and the left end of left transiting rod (23) are dynamically connected; The rear sleeve of main fork (21) is on the main fork vertical shaft (14-2) of cover assembly (1), and master's fork (21) can rotate with respect to upper cover plate (11) during use;

The left end of right transiting rod (24) is profile of tooth board (24-1); The left part of right transiting rod (24) is enclosed within on the right transiting rod screw axis (13-2) of cover assembly (1), and right transiting rod (24) can rotate with respect to upper cover plate (11) during use; The profile of tooth board (24-1) of right transiting rod (24) is meshed with the profile of tooth board (23-4) of left transiting rod (23);

The rear end of secondary fork (25) is provided with projection (25-3) backwards; The left end of secondary fork (25) rear side and the right-hand member of right transiting rod (24) are dynamically connected; The rear sleeve of secondary fork (25) is on the secondary fork screw axis (13-3) of cover assembly (1), and secondary fork (25) can rotate with respect to upper cover plate (11) during use;

Turnover disc mechanism (2) also comprises sub-arm (27), straight line block (28) and sub-arm torsion spring (29-6); The rear sleeve of sub-arm (27) is on the sub-arm vertical shaft (14-5) of cover assembly (1), and sub-arm (27) is rotationally connected with sub-arm vertical shaft (14-5);

Sub-arm torsion spring (29-6) is enclosed within the epimere of sub-arm vertical shaft (14-5) by its spring coil, its lower end contacts with sub-arm (27), a spring pin of sub-arm torsion spring (29-6) stretches in the stopper slot (11-1-5) of substrate (11-1) of upper cover plate (11), the right side Elastic Contact of the limiting plate (27-4) of another root spring pin and sub-arm (27);

Straight line block (28) is fixed on the substrate (11-1) of upper cover plate (11) from the below by screw, and is positioned at the left back of substrate (11-1);

Optical pickup unit core (5) also comprises and stops post (50-5), stop post (50-5) by its lower end riveted and fixed on base plate (50-1), and be positioned at the rear portion of base plate (50-1).

9. according to the described suction type disk loading device of claim 8, it is characterized in that: described turnover disc mechanism (2) also comprises master file core wheel (29-1), main wheel axle (29-2), secondary rolling wheel core (29-3) and secondary wheel axle (29-4);

Master file wheel (22) is for adopting the moulding of the big material of friction force, and global shape is a truncated cone-shaped, and the external diameter on top is more bigger than the external diameter of bottom; The middle part of master file wheel (22) has circular wedge-shaped impression wide outside and narrow inside around its one week of outer wall; The central authorities of master file wheel (22) have the circular hole of above-below direction; Master file core wheel (29-1) is tightly fixed in the medium pore of master file wheel (22), the hypomere of main wheel axle (29-2) is tightly fixed in the medium pore of master file core wheel (29-1), the rolling wheel axle bed (21-6) of the front portion of main fork (21) passes first swinging chute (11-1-1) that is positioned at left front portion of the substrate (11-1) of upper cover plate (11) from the top down, and the stage casing of main wheel axle (29-2) is arranged in the rolling wheel axle bed (21-6) of the front portion of main fork (21); Main wheel axle (29-2) is rotationally connected with the rolling wheel axle bed (21-6) of main fork (21), and front side power output (47) wringing fit of the upper end of main wheel axle (29-2) and gear train (4), thereby make front side power output (47) fixedly connected with master file wheel (22) with master file core wheel (29-1) by main wheel axle (29-2);

Secondary rolling wheel (26) is a moulding, and shape is identical with master file wheel (22); Global shape is a truncated cone-shaped, and the external diameter on top is more bigger than the external diameter of bottom; The middle part of secondary rolling wheel (26) has circular wedge-shaped impression wide outside and narrow inside around its one week of outer wall; The central authorities of secondary rolling wheel (26) have the circular hole of above-below direction; Secondary rolling wheel core (29-3) is tightly fixed in the medium pore of secondary rolling wheel (26), and the hypomere of secondary wheel axle (29-4) is tightly fixed in the medium pore of secondary rolling wheel core (29-3); The epimere of secondary wheel axle (29-4) protrudes upward secondary rolling wheel (26); The anterior rolling wheel axle bed (25-5) of secondary fork (25) passes second swinging chute (11-1-2) that is positioned at right front portion of the substrate (11-1) of upper cover plate (11) from the top down, the epimere of secondary wheel axle (29-4) upwards stretches in the secondary wheel axle seat (25-5) of secondary fork (25), and with secondary wheel axle seat (25-5) wringing fit.

10. according to the described suction type disk loading device of claim 9, it is characterized in that: described platen assembly (6) also comprises platen stator (63), 2 platen support shafts (64) and platen support torsion spring (65);

Platen support (61) is a steel punching press integral piece; Platen support (61) comprises rack body (61-1), supporting seat (61-2), control panel (61-3), controll block extension spring seat (61-4) and 2 web joints (61-5);

Substrate (11-1) rear portion of upper cover plate (11) has V-notch (11-1-3), and the shape of rack body (61-1) and V-notch (11-1-3) are complementary

2 web joints (61-5) are divided into the left web joint (61-5-1) at the rear portion, left side that is positioned at rack body (61-1) and are positioned at the right web joint (61-5-2) at the rear portion, right side of rack body (61-1), all are connected on the rack body (61-1) from the below;

Supporting seat (61-2) is connected on the rack body (61-1) from the below, and is positioned at the right side central of rack body (61-1) and the place ahead of right web joint (61-5-2);

The front side of control panel (61-3) is provided with the low preceding high swash plate in back; Control panel (61-3) is connected on the rack body (61-1) from the top down, and is positioned at the left side central portion of rack body (61-1);

Controll block extension spring seat (61-4) is connected on the rack body (61-1) from the top down, and is positioned at the left part of rack body (61-1) rear side;

The central embedded iron plate of platen (62) passes the platen mounting hole (61-1-3) that is arranged on rack body (61-1) front end from bottom to top by its central seat, and platen stator (63) is connected by screw retention from the central seat of top with platen (62);

The base (50) of optical pickup unit core (5) also comprises left bracket plate (50-3) and right axle seat plate (50-4); 2 platen support shafts (64) are divided into platen support left side axle (64-1) and the right axle of platen support (64-2); The left end of platen support left side axle (64-1) is riveted on the left web joint (61-5-1) of platen support (61), and pass the left bracket plate (50-3) of the base (50) of platen support torsion spring (65) and optical pickup unit core (5) from left to right successively, a spring pin of platen support torsion spring (65) is stuck on the base (50), the downside Elastic Contact of the rack body (61-1) of another root spring pin and platen support (61); The left end of the right axle of platen support (64-2) is riveted on the right web joint (61-5-2) of platen support (61), and passes the right axle seat plate (50-4) of the base (50) of optical pickup unit core (5) to the right.

11. according to the described suction type disk loading device of claim 10, it is characterized in that: described Control Component (3) comprises controll block (31), tooth bar (32), test rod (33), chip switch (34), controll block extension spring (35) and tooth bar stage clip (36); Controll block (31) is the control piece of Control Component (3), and tooth bar (32) is the transition control piece of Control Component (3), and the CD that test rod (33) is Control Component (3) touches part;

Chip switch (34) is fixed on the upper cover plate (11) by its bottom buckle, and is positioned at the top of first fixing feet (11-2-1);

Platen support (61) also comprises detection pole socket (61-6); Detecting pole socket (61-6) is the annulus cylindricality, straight up, is connected on the rack body (61-1) by its lower end, is positioned at the rear side left part of rack body (61-1); Test rod (33) comprises bar main body (33-1), be connected the CD bumping post (33-2) of bar main body (33-1) rear end from the below and be connected the anterior distribution (33-3) of bar main body (33-1) from the top; The middle part of bar main body (33-1) has connecting hole (33-4), and test rod (33) is enclosed within on the detection pole socket (61-6) of platen assembly (6) from the top down by its connecting hole (33-4); Test rod (33) also comprise 2 be positioned at both sides before and after the connecting hole (33-4) be connected location trip (33-5), (33-6) on the bar main body (33-1) from the below, the curved edge towards the left front at the middle part, a left side of the rack body (61-1) of platen support (61) stretches in the location trip (33-5) and the formed groove of bar main body (33-1) of test rod (33) front side, and the location trip (33-6) of rear side is positioned at first arcuate socket (61-1-1) that detects pole socket (61-6) right back that is positioned at of platen support (61); CD bumping post (33-2) passes second arcuate socket (61-1-2) that is positioned at first arcuate socket (61-1-1) right back of platen support (61);

Controll block (31) comprises controll block main body (31-1), web joint (31-2), push rod (31-3), 2 toothed rack guide pillars (31-5), stage clip post (31-9) and push rod (31-10); Controll block (31) is horizontally disposed with; To setting, also rearward stretch out in the left side that is connected controll block main body (31-1) before and after the web joint (31-2); To setting, its middle part is connected the rear end of web joint (31-2) about push rod (31-3); Push rod (31-3) right part has extension spring hole (31-4); 2 toothed rack guide pillars (31-5) are connected on the web joint (31-2) from the below before and after dividing; Controll block main body (31-1) has 2 sagittal guide grooves (31-6) about going up and dividing; Low inclined-plane (31-7), high back before the rear side of controll block main body (31-1) is provided with, the inclined-plane (31-7) of controll block main body (31-1) is relative with the control panel (61-3) of platen support (61); The left front end of controll block main body (31-1) is provided with sagittal opening and reaches backwards pressure spring slot (31-8) down; Stage clip post (31-9) is arranged on the preceding frid of pressure spring slot (31-8), and towards the rear; The right side front end of controll block main body (31-1) is provided with the push rod (31-10) of tip-angled shape, and push rod (31-10) is relative with the trailing flank of the main fork (21) of turnover disc mechanism (2);

Cover assembly (1) also comprises controll block left side guide pillar (12-3) and the right guide pillar (12-4) of controll block; Controll block (31) is enclosed within on the controll block left side guide pillar (12-3) and the right guide pillar of controll block (12-4) that are positioned at rear end, upper cover plate (11) left side of cover assembly (1) by its 2 guide grooves (31-6), is screwed with screw respectively on controll block left side guide pillar (12-3) and the right guide pillar of controll block (12-4); The front end of controll block extension spring (35) is fastened on the extension spring hole of the push rod (31-3) that is connected controll block (31), and the rear end is connected on the controll block extension spring seat (61-4) of platen assembly (6);

Tooth bar (32) comprises tooth plate (32-1), rear side push rod (32-2) and stage clip post (32-3); The toothrow of tooth bar (32) is positioned at the left side towards left; Rear side push rod (32-2) is from the right-hand right side that is connected tooth plate (32-1), and according to the left and right directions setting; Stage clip post (32-3) is connected the front side right-hand member of tooth plate (32-1), according to the fore-and-aft direction setting; The tooth plate (32-1) of tooth bar (32) is gone up and is had 2 guide grooves (32-4) according to fore-and-aft direction;

Tooth bar (32) horizontal positioned, tooth bar (32) is enclosed within on the respective rack guide pillar (31-5) of controll block (31) by 2 guide grooves (32-4) from the below, tooth bar stage clip (36) is arranged in the pressure spring slot (31-8) of controll block (31), its front end sleeve is on the stage clip post (31-9) of controll block (31), and the rear end is enclosed within on the stage clip post (32-3) of tooth bar (32).

12. according to the described suction type disk loading device of claim 11, it is characterized in that: described gear train (4) comprises driving motor (41), driving belt (42), belt wheel gear (43), first gear (44), anterior lateral tooth wheels and posterior lateral tooth wheels; The anterior lateral tooth wheels comprise front side second gear (45), front side the 3rd gear (46) and front side the 4th gear (47); The posterior lateral tooth wheels comprise rear side second gear (48) and rear side the 3rd gear (49);

Driving motor (41) is fixed on the driving motor seat (11-8) of upper cover plate (11) by its motor cabinet by screw from the below, the motor shaft direction of driving motor (41) upwards, pass the circular hole of the central authorities of driving motor seat (11-8), its upper end is fixedly connected with electrical machine belt pulley (41-1);

Belt wheel gear (43) comprises the belt wheel that is positioned at the top and is positioned at the fluted disc of below; Belt wheel gear (43) is enclosed within on the belt wheel gear shaft (14-1), and is rotationally connected with belt wheel gear shaft (14-1);

Double first gear shaft of doing of the main fork vertical shaft (14-2) of cover assembly (1); The upper end of main fork vertical shaft (14-2) is provided with the annular snap ring recess; First gear (44), front side second gear (45), front side the 3rd gear (46), rear side second gear (48) and rear side the 3rd gear (49) are duplicate gear;

First gear (44) is positioned at the top of main fork (21), and is rotationally connected with main fork vertical shaft (14-2), and the large fluted disc that is positioned at the below of first gear (44) is meshed with the small tooth plate that is positioned at the below of belt wheel gear (43);

The main fork (21) of turnover disc mechanism (2) comprises the body of rod and is connected on the body of rod and is positioned at second gear shaft (21-4) and the 3rd gear shaft (21-5) of body of rod top;

Front side second gear (45) is rotationally connected with second gear shaft (21-4), and the large fluted disc that is positioned at the top of front side second gear (45) is meshed with the small tooth plate that first gear (44) is positioned at the top;

Front side the 3rd gear (46) is rotationally connected with the 3rd gear shaft (21-5), and the large fluted disc that is positioned at the below of front side the 3rd gear (46) is meshed with the small tooth plate that front side second gear (45) is positioned at the below;

Front side the 4th gear (47) is the front side power output of gear train (4); Front side the 4th gear (47) is positioned at the top of the rolling wheel axle bed (21-6) of main fork (21), is meshed with the small tooth plate that is positioned at the top of front side the 3rd gear (46),

Cover assembly (1) also comprises rear side second gear shaft (14-3), rear side the 3rd gear shaft (14-4); Rear side second gear (48) is rotationally connected with rear side second gear shaft (14-3); The large fluted disc that is positioned at the top of rear side second gear (48) is meshed with the small tooth plate that is positioned at the top of first gear (44);

Rear side the 3rd gear (49) is the rear side power output of gear train (4), and is meshed with the toothrow of tooth bar (32); Rear side the 3rd gear (49) is rotationally connected with rear side the 3rd gear shaft (14-4); The large fluted disc that is positioned at the top of rear side the 3rd gear (49) is meshed with the small tooth plate that is positioned at the below of rear side second gear (48).

13., it is characterized in that: also comprise baffle plate assembly (7) according to the described suction type disk loading device of claim 11; Baffle plate assembly (7) comprises and stops frame, left retaining arm axle (73), right blocking arm axle (74), blocking arm push rod (75), blocking arm torsion spring (76) and push rod extension spring (77);

Front catch member (70) comprises baffle plate (70-1) and baffle plate crossbeam (70-2); About baffle plate crossbeam (70-2) to being horizontally disposed with; Baffle plate (70-1) is connected on the baffle plate crossbeam (70-2) from the below, and is positioned at the middle part, front side of baffle plate crossbeam (70-2);

Left retaining arm (71) and right blocking arm (72) are all according to the fore-and-aft direction setting; Left retaining arm (71) comprises arm main body (71-1) and is connected the adjutage (71-2) of arm main body (71-1) rear side left part, the rear portion of arm main body (71-1) has mounting hole (71-3), and the rear portion of the downside of adjutage (71-2) is high preceding low inclined-plane (71-4), back; The rear portion of right blocking arm (72) has mounting hole;

The left end of baffle plate crossbeam (70-2) is fixedlyed connected with the front end of left retaining arm (71), and the front end of right blocking arm (72) is fixedlyed connected with the right-hand member of baffle plate crossbeam (70-2);

Upper cover plate (11) also comprise the right side edge that is positioned at substrate (11-1) right plate (11-3), be positioned at substrate (11-1) left side edge according to setting gradually and be positioned at push rod extension spring seat (11-7), blocking arm axle bed (11-9), blocking arm torsion spring seat (11-10) and the blocking arm baffle plate (11-11) in driving motor seat (11-8) the place ahead from back to preceding order; Be provided with blocking arm baffle portion (11-3-1) and blocking arm axle connecting hole (11-3-2) successively according to from front to back order on the plate of right plate (11-3);

The right-hand member of left retaining arm axle (73) is riveted on the connection hole of the blocking arm axle bed (11-9) of upper cover plate (11); Left retaining arm (71) is enclosed within the left end of left retaining arm axle (73) successively by its mounting hole (71-3);

The right-hand member of right blocking arm axle (74) is riveted on the blocking arm axle connecting hole (11-3-2) of upper cover plate (11) and locates; Right blocking arm (72) is enclosed within the left end of right blocking arm axle (74) by its mounting hole;

Blocking arm torsion spring (76) is enclosed within on the blocking arm torsion spring seat (11-10) of upper cover plate (11), the rear end Elastic Contact of the blocking arm axle bed (11-9) of spring pin and upper cover plate (11), the downside Elastic Contact of another spring pin and left retaining arm (71);

Cover assembly (1) also comprises push rod frong guide column (12-1) and push rod BB1 (12-2); Blocking arm push rod (75) comprises push rod main body (75-1), thruster bar (75-2) and push rod extension spring hole (75-3); Push rod main body (75-1) horizontal positioned, have sagittal front guide slot (75-4) and back guide groove (75-5), blocking arm push rod (75) is enclosed within on the push rod frong guide column (12-1) and push rod BB1 (12-2) of cover assembly (1) by front guide slot (75-4) and back guide groove (75-5), is screwed with screw respectively on push rod frong guide column (12-1) and the push rod BB1 (12-2);

The front end upper side of push rod main body (75-1) is low early and high after inclined-plane (75-6), and the front end inclined-plane (75-6) of push rod main body (75-1) matches with the inclined-plane, rear end (71-4) of the adjutage (71-2) of left retaining arm (71) during use; Thruster bar (75-2) horizontal positioned is connected on the right side central of push rod main body (75-1) from right to left; Push rod extension spring hole (75-3) is opened in the rear portion of push rod main body (75-1); The front end of push rod extension spring (77) is connected on the push rod extension spring hole (75-3), and the rear end is connected on the push rod extension spring seat (11-7) of upper cover plate (11);

The front side left part of controll block main body (31-1) is relative with the trailing flank of the thruster bar (75-2) of the baffle plate push rod (75) of baffle plate assembly (7).