CN2395364Y - Optic disc machine core - Google Patents

Abstract

The utility model relates to a laser and audiovisual optical disk playing device. The machine core comprises a machine frame, a control circuit board, a motor, a pallet 13 and a laser head 9 on the machine frame. The gear rack systems of a pallet ingress and egress silo and an optical disk elevating mechanism are then connected with the motor 22 after connected with a belt pulley system and a slide block 18; the gear rack system pf the optical head feed mechanism is connected with a feed motor 33. A manual disk existing key 31 which is connected with the slide block is hinged on the machine frame; a buffering element 41 is arranged on the small machine core; an installation foot 17 extends out of the bottom of the machine frame; a cover plate 15 of an optical disk clamping device is covered on the inner cavity of the machine core. The utility model has the advantages of simple structure, smooth and reliable transmission and low cost, and is suitable for the optical disk machines of DVD, VCD, CD, LD, etc.

Description

The CD player movement

The utility model relates to tray in-out bin mechanism, CD elevating mechanism, bare headed feed mechanism and the buffer gear thereof of laser phonotape and videotape disk player, particularly CD player movement, manually moves back installation foot, the disk holder cover plate of disc mechanism, frame.

The tray in-out bin mechanism and the CD elevating mechanism of CD player such as existing DVD, VCD, CD, LD adopt cam structure and the non-planar cam mechanism mostly, form by turnover storehouse motor, belt, driving tooth bar, lifting folder etc., adopt four lifter pins tipper of four side plates along about the movement to be raised to the top, crane is promoted by the bottom.The cassette mechanism structure that also has, the lifting of pallet is finished by special pallet lifting motor driving tray elevating mechanism, has increased by one road motor-drive circuit on the circuit, one tunnel steering order that control system is also many.

The feed mechanism of existing CD player is mainly formed by sliding motor, driven wheel, tooth bar, sliding bar.Slide worm screw is housed on the motor shaft, with the worm gear engagement of driven wheel bottom, the pinion wheel on driven wheel top and tooth bar engagement.This tooth bar is installed on the laser beam modulation head assembly, and laser head is fixed on the laser head crane by a sliding bar, and laser head can be moved around along sliding bar.

The video disc of existing CD player is placed on and sends into and withdraw from player on the tray for disc.Tray for disc is installed in the movement of player, drives the back and forth movement of making advance and retreat through gear train by motor.When breaking down or cut off the power supply, gear train and tray for disc all can not move, and video disc is stayed in the movement and can't be taken out, and must open player, can withdraw from pallet after pulling down movement, take out video disc.

The laser head of existing CD player is contained on the bare headed frame, and bare headed frame is on two sliding bars that are fitted in core frame slidably, and core frame links to each other with electric-motor drive through the feed mechanism of gear ﹠ rack structure.This structure is in carrying or use, can be because of the contingent more violent bigger impulsive force that rigid collision produced between laser head and the core frame, make between the gear of movement feed mechanism or throw off between rack-and-pinion or stuck, thereby cause the movement feeding malfunctioning; Rigid collision also may make the bearing accuracy variation of laser head, causes reading intertwining mistake.

Four installation feet of existing CD player frame are shorter, must can be installed on the base plate of CD player casing with support, and installation reliability is relatively poor.

The cover plate plate width of cloth of existing CD player clamper is little, can not hide whole movements from the top, and its poor-performing dustproof and injury of preventing laser bundle can cause reading sheet reliability and safety in utilization and reduce.

Given this, the purpose of this utility model is to provide the simple in structure of a kind of tray in-out bin mechanism, CD elevating mechanism, bare headed feed mechanism, engagement is reliable, and stable drive can be used common electric machine and gear, use reliable, with low cost, can manually withdraw from pallet, can alleviate the impact of bare headed feed mechanism, frame is installed reliable, and dustproof and laser beam injures performance CD player movement preferably.

The utility model is on the basis of existing CD player movement, and CD elevating mechanism pallet and barn in-and-out machine structure CD elevating mechanism adopt a shared drive motor and train and a loading and the offloading functions that the slide block realization CD of two skewed slots is arranged; The shaven head feed mechanism adopts pinion and rack replacement worm-and-wheel gear to come simplified structure, improve dependability, reduce manufacturing cost; Adopt the manual pallet ESC Escape that matches with the barn in-and-out machine structure, when being implemented in outage or fault being arranged, withdraw from pallet, take out laser disc; Employing can be met the bolster that bumps mutually with laser head, avoids between laser head and the small movement frame rigid collision taking place; Increase the installation foot of frame, improve installation reliability; The cover plate that strengthens the laser disc clamper increases, and raising is dustproof to realize its purpose with preventing laser bundle injury performance.

CD player movement of the present utility model (referring to accompanying drawing), comprise frame, control circuit board on the frame (16), motor, can before and after the pallet (13) that slides, tray in-out bin mechanism, the CD elevating mechanism, disk holder, the shaven head feed mechanism and on laser head (9), the pinion and rack of above-mentioned tray in-out bin mechanism and CD elevating mechanism is with after pulley mechanism links to each other, link to each other with a motor (22) transmission again, the pinion and rack of above-mentioned bare headed feed mechanism links to each other with feed motor (33) transmission, hinge is associated with the lever-type dish key (31) that manually moves back that the slide block (18) that links with the pinion and rack of tray in-out bin mechanism matches on the above-mentioned frame, can meet the flexible bolster (41) that bumps mutually with laser head with having, the installation foot of above-mentioned frame (17) is and can directly conjointly stretches out the frame bottom surface with the CD player chassis backplane, and the cover plate of above-mentioned disk holder (15) is from mulch-laying machine in-core chamber, top and links to each other with frame.

Above-mentioned frame is by the quadro frame of the hollow of two taeniaes (1) and prebasal plate (2) and metacoxal plate (3) formation, hollow bulb in frame has small movement (4), the rear end of small movement and metacoxal plate are hinged, the front end of small movement links to each other with the lifting support (11) of ∏ font, hinge (12) on two poles of lifting support is hinged with two taeniaes (1) respectively, vertical down two skewed slots (20) of the slide block (18) that prebasal plate upper edge movement laterally slides respectively with lifting support on two lifter pins (21) be and be slidingly matched, the pulley mechanism of above-mentioned tray in-out bin mechanism and CD elevating mechanism has the motor pulley (23) on the output shaft of motor (22), link through driving belt (24) and belt pulley (25) transmission that is contained on the frame, its pinion and rack has and the pinion wheel (26) of belt pulley (25) with rotating shaft, pinion wheel is meshed with middle gear (27) on being contained in frame, the lower gear coaxial with middle gear (28) is meshed with slide block tooth bar (19) on the slide block, be meshed with gear wheel (30) on being contained in frame with the cogging of rotating shaft (29) with middle gear (27), gear wheel is meshed with pallet tooth bar (14) on the pallet (13).

Above-mentioned small movement (4) has the cubic deckle board of hollow, small movement upper edge movement two sliding bars (6) that are parallel to each other vertically are housed, be equipped with slidably on the sliding bar bare headed frame (8) and on laser head (9), above-mentioned bare headed feed mechanism has the feed motor (33) that is contained on the small movement, and the feed shaft gear (35) on the feed motor output shaft is meshed with one-level gear wheel (36) on being contained in small movement, be meshed with secondary gear wheel (38) on being contained in small movement with the one-level pinion wheel (37) of rotating shaft with the one-level gear wheel, be meshed with tooth bar (40) on the bare headed frame with the secondary pinion wheel (39) of rotating shaft with the secondary gear wheel.

Key (31) is coiled in above-mentioned manually moving back, can be L-shaped, and L shaped middle part hinge is associated on the frame, and L shaped promote-side contacts with the end of slide block (18), and L shaped manual end stretches out movement.

Above-mentioned bolster is cantilever design, and an end is connected in the tight below that small movement (4) is gone up sliding bar (6), and the other end leaves small movement.

Above-mentioned slide block (18) constitutes L type section by transverse slat and riser, and above-mentioned skewed slot (20) is positioned on the riser, and the upper and lower end of skewed slot respectively has the slick and sly level trough that connects, and above-mentioned slide block tooth bar (19) is positioned at the transverse slat end of slide block.

The feed motor of above-mentioned bare headed feed mechanism (33) is contained on the support that is horizontal U font (34) that links to each other with small movement (4), and feed shaft gear (35), one-level gear wheel (36), one-level pinion wheel (37), secondary gear wheel (38), secondary pinion wheel (39) are contained in the U-shaped chamber of support.

Said structure of the present utility model is compared with existing CD player movement, has following advantage and effect.

One, the structure of CD elevating mechanism of the present utility model and tray in-out bin mechanism, a shared drive motor and train, use dexterously slide block and two skewed slots (being equivalent to two plane cams), with the lifter pin supporting and the lifting small movement that match, because two chutes make the lifting power of slide block be symmetrically distributed with respect to center line, thereby lifting is steady, and simplify the structure and control circuit, reduce cost, improved dependability.

Two, bare headed feed mechanism of the present utility model has replaced the worm-and-wheel gear of existing CD player with pinion and rack, and this mechanism's engagement is reliable, can not deviate from stable drive.Thereby simplified structure, raising dependability, the manufacturing cost that reduces

Three, the dish bond structure that manually moves back of the present utility model when cutting off the power supply or fault is arranged, can promote slide block and move, and promotes pallet through rack and pinion drive mechanism and withdraws from cabin, can take off the video disc on the pallet, and it is simple in structure, use is reliable.

Four, bolster structure of the present utility model, in the carrying of CD player or when using, when bare headed frame takes place impact to slide on sliding bar when bumping with small movement, bolster on shaven head frame and the small movement collides, make bolster generation elastic deformation and absorb impulsive force, avoid the generation of fierce rigid collision.The L-shaped cantilever design of bolster particularly, keeps the laser head bearing accuracy at the impulsive force when making the utility model can slow down bare headed feeding, keeps the function and the effect of CD player, and simple in structure, easy to manufacture, with low cost.

Five, installation foot structure of stretching out the frame bottom surface of the present utility model can directly be installed in the CD player movement on the base plate of casing of CD player, has reduced support, has reduced cost, installs reliable.

Six, the covering plate structure of disk holder of the present utility model can cover the whole inner chamber of movement from the top, has dustproof and prevents that human eye is excited the effect of light beam injury, and can improve and read sheet reliability and safety in utilization.

The utility model is suitable for doing the movement of various CD player, as makes the movement of audio-video players such as DVD, VCD, CD, LD.

Below, the utility model is further described to use embodiment and accompanying drawing thereof again.

Brief description of drawings.

Fig. 1 is the structural representation of a kind of CD player movement of the present utility model.

Fig. 2 is the A-A cut-open view of Fig. 1.The inner structure that shows movement.

Fig. 3 is the B-B cut-open view of Fig. 1.The structure of display light head feeding mechanism.

Fig. 4 is the C-C cut-open view of Fig. 1.The structure that shows tray in-out bin mechanism and CD elevating mechanism.

Fig. 5 is the D-D cut-open view of Fig. 1.The structure that shows slide block.

Fig. 6 is the E-E cut-open view of Fig. 1.Show tray in-out bin mechanism, CD elevating mechanism, manually move back the structure of dish key.

Embodiment 1

A kind of CD player movement of the present utility model, as shown in drawings.It is a kind of movement of DVD player.By frame, control circuit board, motor, pallet, tray in-out bin mechanism, CD elevating mechanism, disk holder, bare headed feed mechanism, laser is first-class constitutes.

Above-mentioned frame adopts the rack construction of common DVD player movement, have by about two taeniaes 1, the prebasal plate 2 that is solidly fixed with two taeniae front and back end downsides, the quadro frame shape that metacoxal plate 3 constitutes hollows respectively.Hollow bulb in frame has small movement 4, small movement adopts the small movement structure of common DVD player, the cubic deckle board that hollow is arranged, be fixed with back rail 5 at the rear portion of cubic deckle board, along movement vertically and the rear end of two sliding bars 6 of the circular bar shape that parallels be connected on the back rail, its front end is connected with two bearings 7 respectively, and two bearings are connected in cubic sheet frame plate right and left front portion respectively.Circular hole on the bare headed frame 8 of sliding bar 6 and common structure matches, and bare headed frame is fitted on the sliding bar slidably.The laser head 9 of common structure is housed on bare headed frame.The rear end of above-mentioned small movement and the pivot screw on the metacoxal plate 10 adopt bayonet type to be hinged, front end is connected with the common lifting support 11 usefulness screws of the inversion ∏ font of structure, and the hinge 12 about lifting support on the two pole ends is hinged with the middle part of two taeniaes 1 respectively.When lifting support when hinge rotates, small movement is that hinge rotates and lifting with the pivot screw.Above-mentioned pallet 13 adopts the support holder structure of common DVD player, is can be fitted in slidingly back and forth on above-mentioned two taeniaes 1, is positioned at the top of prebasal plate and metacoxal plate, makes pallet withdraw from cabin forward in the movement longitudinal sliding motion of taeniae upper edge, enters cabin backward.Bottom in the pallet left side along the tray motion direction, is shaped on towards right-hand pallet tooth bar 14.

At the upside of above-mentioned frame the disk holder of common structure is housed, the cover plate 15 of disk holder is and covers whole movement inner chambers ground from the top and be connected with the taeniae 1 of screw and frame, and the shape and size of cover plate should match with frame.Downside in frame is fixed with common control circuit board 16 with common structure.

Respectively there are two installation feet 17 with the into a single integrated structure setting of frame in the outside of two taeniaes of above-mentioned frame, and installation foot stretches out the frame bottom surface downwards, make its can be directly and CD player chassis backplane (not shown) link.

Above-mentioned tray in-out bin mechanism, CD elevating mechanism, the pulley transmission mechanism that has the rack and pinion drive mechanism that links to each other with slide block to connect again connects a shared motor again and manually moves back the dish key.Above-mentioned slide block 18 forms L type section by transverse slat that is made into integration and riser, is installed on prebasal plate 2 and is bent into L shaped front end, and slide block can laterally be horizontally slipped at the prebasal plate upper edge of frame movement.In the transverse slat end of slide block,, be shaped on the slide block tooth bar 19 of common structure along the direction of motion of slide block.Open on the riser of slide block and be shaped on two skewed slots 20 that are parallel to each other, each slyness of the upper and lower end of skewed slot is connected with level trough.Two skewed slots are with two lifter pins 21 of lifting support 11 front ends respectively and are slidingly matched.Above-mentioned motor 22 is selected the motor of the common structure that DVD player uses for use, is contained on the downside of prebasal plate 2 right parts of frame.Above-mentioned pulley transmission mechanism has motor pulley 23 on the output shaft that is contained in motor 22, motor pulley to link through driving belt 24 and belt pulley 25 transmissions on the prebasal plate 2 that is contained in frame.Above-mentioned rack and pinion drive mechanism, have with belt pulley 25 with pinion wheel 26, the pinion wheel of rotating shaft and the middle gear 27 on being contained in prebasal plate is meshed, be meshed with slide block tooth bar 19 on the slide block with the coaxial lower gear 28 of middle gear; With middle gear with rotating shaft cog 29 be contained in prebasal plate on gear wheel 30 be meshed, gear wheel is meshed with pallet tooth bar 14 on the pallet 13.Make it drive slide block 18 and lifting small movement 4 with motor 22 through belt gear and gear drive, driving tray 13 withdraws from, enters cabin simultaneously.

The above-mentioned dish key 31 that manually moves back is made L shapedly, and to make broad thicker at its middle part in order to gain in strength, and the left part that the prebasal plate 2 that is associated in frame is cut with scissors at L shaped middle part with rotating shaft 32 is lever construction.The handgrip end that manually moves back the dish key crosses out frame, and the promote-side of the other end can contact with the left end of slide block 18, and making it can be the horizontal promotion slide block of movement along the slide block movement direction, and then promotes the said gear rack mechanism and promote pallet.

Above-mentioned bare headed feed mechanism is pinion and rack, links to each other with the feed motor transmission.Above-mentioned feed motor 33 is selected the motor of the common structure that DVD player uses for use.Be contained on the upper side of support 34 of horizontal U font, the feed motor output shaft stretches in the U-shaped chamber of support.Support is connected on the cubic deckle board of small movement 4 with common structure.In the U-shaped chamber of support, the feed shaft gear 35 that is contained on the feed motor output shaft is arranged, and the feed shaft gear is meshed with one-level gear wheel 36 in being contained in support, be meshed with secondary gear wheel 38 in being contained in support, be meshed with tooth bar 40 on the bare headed frame 8 with the secondary pinion wheel 39 of rotating shaft with the secondary gear wheel with the one-level pinion wheel 37 of rotating shaft with the one-level gear wheel.Can with feed motor 33 through pinion and rack drive bare headed frame and on laser head 9 do feed motion.

On the back rail 5 of small movement 4, the bolster 41 that useful resilient material is made, bolster should be designed to meet mutually with the front end of the bare headed frame of doing feed motion and bump.The bolster of present embodiment is made horizontal L shaped battened construction, and on the facade of the back rail 5 of the tight below of the sliding bar 6 on the left of a L shaped end becomes vertically to be connected in, the other end leaves the facade of back rail, forms cantilever design.Also can be on back rail two sliding bars nearby, each installs a bolster.Also can meet the bolster that bumps mutually with bare headed frame in other position installing of back rail.

When the CD player that present embodiment is fitted to is normally moved, control circuit control motor 22 forward or reverse on the control circuit board, through motor pulley 23, driving belt 24, belt pulley 25, pinion wheel 26, middle gear 27, lower gear 28, slide block tooth bar 19, drive slide block 18 and move to left or move to right.When slide block moves to left and lifting support 11 all-in-one-pieces two lifter pins 21 in the skewed slot 20 of slide block, rise to the N point by the M point, lifter pin drops to M point (see figure 5) by the N point when slide block moves right, lifting support rotates up or down around hinge 12, the small movement 4 that is connected with lifting support rotates up or down around pivot screw 10, thereby make the rotating disc 42 on the small movement lift or put down, finish loading (rising) action or unloading (decline) action of CD.Meanwhile, through with middle gear 27 with rotating shaft cog 29, gear wheel 30, pallet tooth bar 14, driving tray is finished the action of withdrawing from cabin or entering cabin, thereby laser disc can be loaded onto pallet or take off pallet.

When CD player breaks down or cut off the power supply, can promote manually to move back the manual end of dish key 31 artificially to the movement rear, make manually move back the dish key 32 clockwise rotate around the shaft, the promote-side promotes slide block 18 and moves right, through the slide block tooth bar 19 on the slide block, lower gear 28, cog 29, the pallet tooth bar 14 on the gear wheel 30, pallet, promote pallet to front slide, withdraw from cabin, can take off the video disc on the pallet.Then can be artificially promote pallet, pallet is slided backward enter cabin to reset to the movement rear.

When CD player normal read sheet moves, control circuit control feed motor 33 forward or reverse on the control circuit board, tooth bar 40 on feed shaft gear 35, one-level gear wheel 36, one-level pinion wheel 37, secondary gear wheel 38, secondary pinion wheel 39, bare headed frame 8, drive bare headed frame and do elastic feed motion on sliding bar 6, the laser head on the bare headed frame tracks and reads the sheet motion.

When CD player is done feed motion in carrying or laser head, the shaven head frame takes place to impact on sliding bar when sliding with small movement 4 collisions, the shaven head frame directly with the back rail 5 of small movement on bolster 41 meet mutually and bump, make bolster generation elastic deformation and absorb impulsive force, thereby can avoid the generation of fierce rigid collision.

Claims (7)

1, the CD player movement, comprise frame, control circuit board on the frame (16), motor, can before and after the pallet (13) that slides, tray in-out bin mechanism, the CD elevating mechanism, disk holder, the shaven head feed mechanism and on laser head (9), the pinion and rack that it is characterized in that above-mentioned tray in-out bin mechanism and CD elevating mechanism is with after pulley mechanism links to each other, link to each other with a motor (22) transmission again, the pinion and rack of above-mentioned bare headed feed mechanism links to each other with feed motor (33) transmission, hinge is associated with the lever-type dish key (31) that manually moves back that the slide block (18) that links with the pinion and rack of tray in-out bin mechanism matches on the above-mentioned frame, can meet the flexible bolster (41) that bumps mutually with laser head with having, the installation foot of above-mentioned frame (17) is and can directly conjointly stretches out the frame bottom surface with the CD player chassis backplane, and the cover plate of above-mentioned disk holder (15) is from mulch-laying machine in-core chamber, top and links to each other with frame.

2, CD player movement according to claim 1, it is characterized in that the quadro frame of said frame by the hollow of two taeniaes (1) and prebasal plate (2) and metacoxal plate (3) formation, hollow bulb in frame has small movement (4), the rear end of small movement and metacoxal plate are hinged, the front end of small movement links to each other with the lifting support (11) of ∏ font, hinge (12) on two poles of lifting support is hinged with two taeniaes (1) respectively, the slide block (18) that prebasal plate upper edge movement laterally slides go up vertical two skewed slots (20) respectively with lifting support on two lifter pins (21) be and be slidingly matched, the pulley mechanism of said tray in-out bin mechanism and CD elevating mechanism has the motor pulley (23) on the output shaft of motor (22), link through driving belt (24) and belt pulley (25) transmission that is contained on the frame, its pinion and rack has and the pinion wheel (26) of belt pulley (25) with rotating shaft, pinion wheel is meshed with middle gear (27) on being contained in frame, the lower gear coaxial with middle gear (28) is meshed with slide block tooth bar (19) on the slide block and is meshed with gear wheel (30) on being contained in frame with the cogging of rotating shaft (29) with middle gear (27), and gear wheel is meshed with pallet tooth bar (14) on the pallet (13).

3, CD player movement according to claim 2, it is characterized in that said small movement (4) has the cubic deckle board of hollow, small movement upper edge movement two sliding bars (6) that are parallel to each other vertically are housed, be equipped with slidably on the sliding bar bare headed frame (8) and on laser head (9), said bare headed feed mechanism has the feed motor (33) that is contained on the small movement, and the feed shaft gear (35) on the feed motor output shaft is meshed with one-level gear wheel (36) on being contained in small movement, be meshed with secondary gear wheel (38) on being contained in small movement with the one-level pinion wheel (37) of rotating shaft with the one-level gear wheel, be meshed with tooth bar (40) on the bare headed frame with the secondary pinion wheel (39) of rotating shaft with the secondary gear wheel.

4, according to claim 2 or 3 described CD player movements, it is characterized in that the said dish key (31) that manually moves back is L-shaped, L shaped middle part hinge is associated on the frame, and L shaped promote-side contacts with the end of slide block (18), and L shaped manual end stretches out movement.

5, CD player movement according to claim 4 is characterized in that said bolster is cantilever design, and an end is connected in the tight below that small movement (4) is gone up sliding bar (6), and the other end leaves small movement.

6, CD player movement according to claim 4, it is characterized in that said slide block (18) constitutes L type section by transverse slat and riser, said skewed slot (20) is positioned on the riser, the upper and lower end of skewed slot respectively has the slick and sly level trough that connects, and said slide block tooth bar (19) is positioned at the transverse slat end of slide block.

7, CD player movement according to claim 4, the feed motor (33) that it is characterized in that said bare headed feed mechanism is contained on the support that is horizontal U font (34) that links to each other with small movement (4), and feed shaft gear (35), one-level gear wheel (36), one-level pinion wheel (37), secondary gear wheel (38), secondary pinion wheel (39) are contained in the U-shaped chamber of support.

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