CN102610247B

CN102610247B - Movement R rod locking and unlocking mechanism

Info

Publication number: CN102610247B
Application number: CN201110444824.4A
Authority: CN
Inventors: 黄福建; 黄显波; 黄远期
Original assignee: XINHUA PRECISION MACHINERY CO Ltd
Current assignee: XINHUA PRECISION MACHINERY CO Ltd
Priority date: 2011-12-28
Filing date: 2011-12-28
Publication date: 2015-01-21
Anticipated expiration: 2031-12-28
Also published as: CN102610247A

Abstract

The invention provides a movement R rod locking and unlocking mechanism which comprises an R rod and an auxiliary rod of the R rod. The R rod is arranged on the inner side wall of a base disc seat of a movement, and the auxiliary rod of the R rod is arranged between the R rod and the inner side wall of the base disc seat; a lock rod is arranged on the side wall, close to the inner side wall of the base disc seat, of the R rod through a movable rotating shaft; a pin is arranged on the side surface, close to the inner side wall of the base disc seat, of the lock rod; a hinge slot is arranged on the side wall of the base disc seat, and the pin is inserted into the hinge slot; and the middle section of the lock slot is parallel to the sliding direction of the R rod, the front and rear ends of the lock slot are vertical to the middle section of the lock slot to form a lock hole for clamping the pin, and the length of the middle section of the lock slot is same to the front-and-back sliding distance of the R rod. According to the invention, as the lock rod for locking the R rod is additionally arranged, the separation between the R rod and a drive gear is realized by virtue of the pushing of the auxiliary rod of the R rod, the separation between the auxiliary rod of the R rod and the drive gear is realized by virtue of spring tension, and in the process, the drive gear drives the R rod to move completely, and the driving force is relatively large, thereby reducing a locking gap of a laser head; and as the laser head is locked tightly, vibration noises are reduced, and the stability of positions of the R rod and the laser head is guaranteed.

Description

A kind of movement R rod lock release mechanism

Technical field

The present invention relates to a kind of technological improvement of movement inner structure.

Background technology

R bar is the critical component of the inner Ya Die mechanism of Direct driver movement, dish platform and bare headed seat action when video disc enters and exit movement in movement, be installed on movement basal disc seat madial wall, and the transmission of power can be realized along sidewall slide anteroposterior under the effect of driven wheel.In existing structure, the degree of freedom of R bar does not limit, and easily too early engage with driven wheel and causes bare headed seat to be misread locking, thus causing into dish unsuccessfully, the namely normal dish of pressure in advance said.And, bar paid by R bar and R bar and driven wheel departs from by spring tension, a mobile part for R bar is by driven wheel, a part is by spring tension, when R bar moves by spring tension, R bar motive force is less, causes bare headed seat can only by the locking relaxed, R bar position is unstable, easily produces vibrating noise.

Summary of the invention

In view of this, the technical problem to be solved in the present invention is to provide and a kind ofly runs the movement R rod lock release mechanism that noise is little, ensure R bar and bare headed seat position stability.

The present invention adopts following scheme to realize:

A kind of movement R rod lock release mechanism, comprise the R bar be arranged on movement basal disc seat madial wall, bar paid by R bar between R bar and basal disc seat madial wall, be provided with on the sidewall of basal disc seat madial wall at R bar and be beneficial to the chute that bar slip paid by R bar, on the sidewall of basal disc seat madial wall, pay bar by movable rotation-shaft installation one by R bar at R bar and trigger the locking bar realizing action conversion, this locking bar is provided with a pin near the side of basal disc seat madial wall, the locked groove of interspersed pin is had at basal disc seat sidewall, this locked groove stage casing parallel R bar glide direction, rear and front end is vertical with stage casing forms the lockhole blocking pin, in this locked groove, segment length is consistent with R bar slide anteroposterior distance.

As the improvement to such scheme, described locking bar rear and front end is respectively arranged with front projection, the rear projection of paying the tilting of bar direction towards R bar, R bar pay bar is provided with to make with front projection, rear male cooperation R bar pay press down in bar sliding process before protruding, rear projection and make pin pass in and out the pressure point of lockhole, pressure point is between front projection, rear projection.

As further improving, described pin is positioned at lordosis and plays below, R bar moves its pressure point of extreme position and presses down rear projection and front projection is put pin moves and snap in lockhole after paying bar, R bar pays that pressure point in bar and R bar reach process presses down front projection, pin moves down and departs from from lockhole.

The present invention makes R bar and driven wheel depart to lean on R bar to pay bar to promote by the locking bar setting up locking R bar, bar paid by R bar and driven wheel departs from by spring tension, in this process, R bar moves all by driving gear drives, driving force is larger, thus bare headed seat lock up gap can be reduced, shaven head seat can tightly be pinned, thus reduces vibrating noise, ensure that R bar and bare headed seat are put stable.

Accompanying drawing explanation

Fig. 1 is embodiment of the present invention decomposing state structural representation.

Embodiment

The present invention to be described in further detail below in conjunction with accompanying drawing and embodiment for the ease of it will be appreciated by those skilled in the art that:

As shown in Figure 1.The movement of the present embodiment application is a inhalation type machine core, this movement comprises basal disc seat 1, basal disc seat 1 front is the gateway of video disc turnover movement, as shown in the direction arrow in left side in accompanying drawing 1, (in the present embodiment, the definition of front and rear direction is with reference to this arrow in video disc turnover movement direction, before being oriented on the left of arrow, be oriented on rear side of arrow after, namely before for going out butterfly direction, afterwards for entering butterfly direction).Being provided with that driven wheel 5 drives at basal disc seat 1 madial wall can the R bar 2 of slide anteroposterior, the tooth bar 22 that R bar 2 engages with driven wheel 5 to be arranged on a breach on inwall, R bar 2 rear end can contact with the bare headed seat locking bar 6 of bare headed seat (not shown) in locking movement, and trigger this bare headed seat locking bar and make locking bar block bare headed seat, ensure bare headed seat position stability, above-mentioned most of structure is consistent with existing structure, and its course of work and principle of work are also consistent with prior art, do not repeat at this.

R bar 2 is also provided with a R bar and pays bar 3, this R bar pays bar 3 between R bar 2 and basal disc seat 1, be provided with on the sidewall of basal disc seat 1 madial wall at R bar 2 and be beneficial to the chute 21 that bar 3 slip paid by R bar, pay bar 3 outer end at R bar and be provided with the tooth bar 32 engaged with driven wheel 5 equally, the tooth bar that tooth bar on R bar 2 and R bar are paid on bar 3 is set up in parallel, when driven wheel 5 rotates, make R bar 2 and R bar pay bar 3 can slide simultaneously, but, move past in journey after bar 3 paid by R bar 2 and R bar, tooth bar on R bar 2 first departs from driven wheel 5, the gear that R bar is paid on bar 3 departs from driven wheel 5 again, there is successively difference in the two.

In the present embodiment, the difference maximum with prior art is on the sidewall of basal disc seat 1 madial wall, install one at R bar 2 by movable rotation-shaft to pay bar 3 by R bar and trigger the locking bar 4 realizing action and change.This locking bar 4 is provided with a pin 41 near the side of basal disc seat 1 madial wall, the locked groove 11 of interspersed pin 41 is had at basal disc seat 1 sidewall, this locked groove 11 stage casing parallel R bar 2 glide direction, rear and front end is vertical with stage casing forms the lockhole 111 blocking pin 41, in this locked groove segment length and R bar 2 slide anteroposterior distance consistent.Pay bar 3 to make R bar to realize linking with locking bar 4, locking bar 4 rear and front end be respectively arranged with to pay towards R bar bar 3 direction tilt before protruding 42, rear protruding 43, R bar pay bar 3 is then provided with can press down before protruding 42, the rear pressure point of protruding 43 31, this pressure point 31 is between front protruding 42, rear protruding 43, and the pin 41 coordinated with locked groove 11 is positioned at below front protruding 42.Pay bar 3 movable two limit positions at R bar, pressure point 31 can press down front protruding 42 and rear protruding 43 respectively, pin 41 is departed from and snaps in lockhole 111.

Without the original state of butterfly in movement, the extreme position that bar 3 exports near movement paid by R bar 2, R bar, and the pressure point 31 that bar 3 paid by R bar pushes down rear protruding 43 of locking bar 4, and the pin 41 of locking bar 4 is stuck in the lockhole of locked groove 11 front end, makes R bar 2, R bar pays bar 3 position stability.When entering in movement at video disc, driven wheel 5 drives R bar 2 to slide backward, move after making locking bar 4, pressure point 31 from push down rear protruding 43 be transferred to push down before protruding 42, locking bar 4 swings, pin 41 departs from lockhole and enters locked groove 11 stage casing, now driven wheel 5 drives R bar 2 and R bar to pay bar 3 to slide backward again simultaneously simultaneously, first depart from the tooth bar on R bar 2 at predeterminated position driven wheel 5, now the position of R bar 2 is the extreme position entered, and R bar pay bar 3 continue under the driving of driven wheel 5 continue slide, the extreme position of bar 3 is paid at R bar, pressure point 31 presses down rear protruding 43 again, locking bar 4 swings, pin 41 snaps in the lockhole 111 of locked groove 11 rear end, this latch-up structure can ensure the stable of R bar 2 position.In this process, R bar 2 passes through bare headed seat locking bar 6 by locked for bare headed seat simultaneously, prevents bare headed seat from shaking in the course of the work and produces noise and occur operation exception.

[0016]be more than wherein specific implementation of the present invention, it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these apparent replacement forms all belong to protection scope of the present invention.

Claims

1. a movement R rod lock release mechanism, comprise the R bar (2) be arranged on movement basal disc seat (1) madial wall, bar (3) paid by R bar between R bar and basal disc seat madial wall, be provided with on the sidewall of basal disc seat madial wall at R bar and be beneficial to the chute (21) that bar slip paid by R bar, it is characterized in that: on the sidewall of basal disc seat madial wall, pay bar by movable rotation-shaft installation one by R bar at R bar and trigger the locking bar (4) realizing action conversion, this locking bar is provided with a pin (41) near the side of basal disc seat madial wall, the locked groove (11) of interspersed pin is had at basal disc seat sidewall, this locked groove stage casing parallel R bar glide direction, rear and front end is vertical with stage casing forms the lockhole (111) blocking pin, in this locked groove, segment length is consistent with R bar slide anteroposterior distance,

Described locking bar rear and front end is respectively arranged with pays the tilting of bar direction front protruding (42), rear projection (43) towards R bar, R bar pay bar is provided with to make with front projection, rear male cooperation R bar pay press down in bar sliding process before protruding, rear projection and make pin pass in and out the pressure point (31) of lockhole, pressure point is between front projection, rear projection;

Without the original state of dish in movement, the extreme position that bar exports near movement paid by R bar, R bar, and the pressure point that bar paid by R bar pushes down the rear projection of locking bar, and the pin of locking bar is stuck in the lockhole of locked groove front end, makes R bar, R bar pays bar position stability, when entering in movement at video disc, driving gear drives R bar slides backward, move after making locking bar, pressure point is transferred to pushes down front projection from pushing down rear projection, locking bar swings, pin departs from lockhole and enters locked groove stage casing, now driven wheel drives R bar and R bar to pay bar to slide backward again simultaneously simultaneously, first depart from the tooth bar on R bar at predeterminated position driven wheel, now the position of R bar is the extreme position entered, and bar continuation continuation slip under the driving of driven wheel paid by R bar, the extreme position of bar is paid at R bar, pressure point presses down rear projection again, locking bar swings, pin snaps in the lockhole of locked groove rear end.

2. movement R rod lock release mechanism according to claim 1, it is characterized in that: described pin is positioned at lordosis and plays below, R bar moves its pressure point of extreme position and presses down rear projection and front projection is put pin moves and snap in lockhole after paying bar, R bar pays that pressure point in bar and R bar reach process presses down front projection, pin moves down and departs from from lockhole.