CN202373293U

CN202373293U - Locking and unlocking mechanism for movement R rod

Info

Publication number: CN202373293U
Application number: CN2011205554532U
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: 2012-08-08
Anticipated expiration: 2021-12-28

Abstract

The utility model discloses a locking and unlocking mechanism for a movement R rod. The locking and unlocking mechanism comprises the R rod arranged on the inner side wall of a base plate seat of a movement and an R rod slave rod positioned between the R rod and the inner side wall of the base plate seat, wherein a locking rod is arranged on the side wall of the R rod, which is close to the inner side wall of the base plate seat, through a movable rotating shaft; a pin is arranged on the side face of the locking rod, which is close to the inner side wall of the base plate seat; a locking slot for inserting the pin is formed on the side wall of the base plate seat; the front end and the rear end of the middle section of the locking slot, which are parallel to the sliding direction of the R rod, are vertical to the middle section to form locking holes for clamping the pin; and the length of the middle section of the locking slot is consistent with the longitudinal sliding distance of the R rod. The locking rod for locking the R rod is added, so that the R rod is separated from a driving gear and pushed by the R rod slave rod; the R rod slave rod is separated from the driving gear and pulled by a spring; in the process, the R rod can be driven to move by the driving gear, and the driving force is relatively large, so that a locking clearance of an exposed seat can be reduced; and the exposed seat can be tightly locked, so that the vibration noise is reduced, and the stability of the R rod and the exposed seat is guaranteed.

Description

A kind of movement R rod lock release mechanism

Technical field

The utility model relates to a kind of technological improvement of movement inner structure.

Background technology

The R bar be in the movement when video disc gets into and withdraws from movement direct driving machine in-core portion press the critical component of butterfly mechanism, dish platform and the action of shaven head seat; Be installed on movement basal disc seat madial wall, and can slide along sidewall front and back under the effect of driven wheel and realize the transmission of power.In the existing structure, the degree of freedom of R bar is restriction not, easily too early with the driven wheel engagement and cause the shaven head seat to misread lock, thereby causes into dish failure, the just normal dish of saying of pressure in advance.And bar paid by R bar and R bar and driven wheel breaks away from by spring tension, and the mobile part of R bar is leaned on driven wheel; A part is leaned on spring tension; When the R bar moved by spring tension, it is less that the R bar moves strength, causes the shaven head seat can only be by lax locking; R bar position is unstable, is easy to generate vibrating noise.

The utility model content

In view of this, the utility model technical matters that will solve provide a kind of move noise little, guarantee that R bar and bare headed seat put stable movement R rod lock release mechanism.

The utility model adopts following scheme to realize:

A kind of movement R rod lock release mechanism; Comprise that the R bar, the R bar between R bar and basal disc seat madial wall that are arranged on the movement basal disc seat madial wall pay bar; The R bar is provided with near the sidewall of basal disc seat madial wall and is beneficial to the R bar and pays the chute that bar slides; Installing one through movable rotation-shaft at the R bar near the sidewall of basal disc seat madial wall pays bar through the R bar and triggers the locking bar of realizing the action conversion; This locking bar is provided with a pin near the side of basal disc seat madial wall; Have interspersed locked groove of pinning at basal disc seat sidewall, this locked groove stage casing parallel R bar glide direction, the vertical lockhole that blocks pin that forms in rear and front end with the stage casing, segment length is consistent with R bar front and back sliding distance in this locked groove.

As improvement to such scheme; Described locking bar rear and front end is respectively arranged with preceding convexity, the back convexity of paying the perk of bar direction towards the R bar; The R bar pay bar be provided with preceding convexity, back protruding cooperates make the R bar pay press down in the bar sliding process preceding convexity, back protruding and make the pressure point of pin turnover lockhole, pressure point preceding convexity, after between the convexity.

As further improving; Described pin is positioned at lordosis and plays the below; The R bar is paid and is moved its pressure point of extreme position behind the bar to press down the back protruding and move on the pendulum pin on the preceding convexity and snap in the lockhole, and the R bar pays that pressure point presses down preceding convexity in bar and the R bar reach process, pinning to move down from lockhole breaks away from.

The utility model breaks away from by the R bar R bar and driven wheel through the locking bar of setting up locking R bar and pays the bar promotion; The R bar is paid bar and driven wheel and is broken away from and lean on spring tension, and the R bar moves all by driving gear drives in this process, and driving force is bigger; Thereby can reduce shaven head seat lock up gap; The shaven head seat can tightly be pinned, thereby reduces vibrating noise, and it is stable to have guaranteed that R bar and bare headed seat are put.

Description of drawings

Fig. 1 is the utility model embodiment decomposing state structural representation.

Fig. 2 is that present embodiment R bar, R bar are paid bar, locking bar assembled state structural representation.

Fig. 3 is a present embodiment R bar released state structural representation.

Fig. 4 is a present embodiment R rod lock status architecture synoptic diagram.

Embodiment

Below will combine accompanying drawing and embodiment that the utility model is described in further detail for the ease of it will be appreciated by those skilled in the art that:

Shown in accompanying drawing 1.The movement that present embodiment is used is a inhalation type machine core; This movement comprises basal disc seat 1; Basal disc seat 1 the place ahead is the gateway of video disc turnover movement, and (definition of front and rear direction is with reference to this arrow, after that the arrow left side is oriented to is preceding, the arrow rear side is oriented in the present embodiment shown in the direction arrow in left side in the accompanying drawing 1 for video disc turnover movement direction; Promptly before for going out the butterfly direction, after for going into the butterfly direction).Basal disc seat 1 madial wall be provided with drive through driven wheel 5 can before and after the R bar 2 that slides; Be arranged on the breach on the inwall with the tooth bar 22 of driven wheel 5 engagement on the R bar 2; R bar 2 rear ends can contacts with the shaven head seat locking bar 6 of shaven head seat (not shown) in the locking movement, and trigger and should shaven head seat locking bar make locking bar block shaven head, guarantee that bare headed seat puts stable; A portion among in detail visible Fig. 2; Above-mentioned most of structure is consistent with existing structure, and its course of work is also consistent with prior art with principle of work, does not do at this and gives unnecessary details.

Combine again shown in the accompanying drawing 2.One R bar also is installed on R bar 2 pays bar 3, this R bar is paid bar 3 between R bar 2 and basal disc seat 1, and R bar 2 is provided with near the sidewall of basal disc seat 1 madial wall and is beneficial to the R bar and pays the chute 21 that bar 3 slides; Pay bar 3 outer ends at the R bar and be provided with the tooth bar 32 that meshes with driven wheel 5 equally, the tooth bar that tooth bar on the R bar 2 and R bar are paid on the bar 3 is set up in parallel, when driven wheel 5 rotates; Making R bar 2 and R bar pay bar 3 can slide simultaneously; But,, R bar 2 and R bar move past in the journey after paying bar 3, and the tooth bar on the R bar 2 breaks away from driven wheel 5 earlier; The gear that the R bar is paid on the bar 3 breaks away from driven wheel 5 again, and there is difference successively in the two.

In the present embodiment, pay bar 3 through the R bar and trigger the locking bar 4 of realizing the action conversion for installing one through movable rotation-shaft near the sidewall of basal disc seat 1 madial wall at R bar 2 with the maximum difference of prior art.This locking bar 4 is provided with a pin 41 near the side of basal disc seat 1 madial wall; Have the locked groove 11 of interspersed pin 41 at basal disc seat 1 sidewall; Parallel R bar 2 glide directions in these locked groove 11 stage casings, the vertical lockhole 111 that blocks pin 41 that forms with the stage casing in rear and front end, segment length is consistent with R bar 2 front and back sliding distances in this locked groove.Realize interlock in order to make the R bar pay bar 3 with locking bar 4; Be respectively arranged with preceding protruding 42, the back protruding 43 of paying bar 3 direction perks towards the R bar in locking bar 4 rear and front ends; Pay at the R bar and then to be provided with pressure point 31 protruding 42 before can pressing down, back protruding 43 on the bar 3; This pressure point 31 between preceding protruding 42, back protruding 43, protruding 42 belows before the pin 41 that cooperates with locked groove 11 is positioned at.Pay the two limit positions that bar 3 moves forward and backward at the R bar, convexity 42 and back convexity 43 before pressure point 31 can press down respectively make pin 41 disengagings and snap in the lockhole 111.

Combine accompanying

drawing

3,4 particularly again.The original state of no butterfly in the movement, R bar 2, R bar are paid the extreme position of bar 3 near movement outlet, and the pressure point 31 that the R bar is paid bar 3 is pushed down the back protruding 43 of locking bar 4, and the pin 41 of locking bar 4 is stuck in the lockhole of locked groove 11 front ends, makes R bar 2, R bar pay bar 3 position stabilities.When video disc gets in the movement, driven wheel 5 drives R bars 2 and slides backward, and moves after making locking bar 4; Pressure point 31 from push down back protruding 43 be transferred to before pushing down protruding 42, locking bar 4 swings, pin 41 breaks away from lockholes and gets into locked groove 11 stage casings; Driven wheel 5 drove R bar 2 more simultaneously and paid bar 3 with the R bar and slide backward simultaneously this moment, predeterminated position driven wheel 5 earlier with R bar 2 on tooth bar break away from, this moment R bar 2 the extreme position of position for getting into; And the R bar is paid bar 3 continuation continuation slip under the driving of driven wheel 5; Pay the extreme position of bar 3 at the R bar, it is protruding 43 that pressure point 31 presses down the back again, locking bar 4 swings; Pin 41 snaps in the lockhole 111 of locked groove 11 rear ends, and this latch-up structure can guarantee the stable of R bar 2 positions.In this process, it is locked with the shaven head seat that R bar 2 passes through bare headed seat locking bar 6 simultaneously, prevents to shake in the course of the work for bare headed to produce noise and operation exception occurs.

In the present embodiment, the B curve in accompanying drawing 3, the accompanying drawing 4 in basal disc seat 1 sidewall is a cutting line, can find out the structure like above-mentioned description from cutting line.

More than be the wherein concrete implementation of the utility model, it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these conspicuous replacement forms all belong to the protection domain of the utility model.

Claims

1. movement R rod lock release mechanism; Comprise that the R bar (2), the R bar between R bar and basal disc seat madial wall that are arranged on movement basal disc seat (1) madial wall pay bar (3); The R bar is provided with near the sidewall of basal disc seat madial wall and is beneficial to the R bar and pays the chute (21) that bar slides; It is characterized in that: install one through movable rotation-shaft at the R bar near the sidewall of basal disc seat madial wall and pay bar through the R bar and trigger the locking bar (4) of realizing the action conversion; This locking bar is provided with a pin (41) near the side of basal disc seat madial wall; Have interspersed locked groove (11) of pinning at basal disc seat sidewall, this locked groove stage casing parallel R bar glide direction, the vertical lockhole (111) that blocks pin that forms in rear and front end with the stage casing, segment length is consistent with R bar front and back sliding distance in this locked groove.

2. movement R rod lock release mechanism according to claim 1; It is characterized in that: described locking bar rear and front end is respectively arranged with preceding convexity (42), back protruding (43) of paying the perk of bar direction towards the R bar; The R bar pay bar be provided with preceding convexity, back protruding cooperates make the R bar pay press down in the bar sliding process preceding convexity, back protruding and make the pressure point (31) of pin turnover lockhole, pressure point preceding convexity, after between the convexity.

3. movement R rod lock release mechanism according to claim 2; It is characterized in that: described pin is positioned at lordosis and plays the below; The R bar is paid and is moved its pressure point of extreme position behind the bar to press down the back protruding and move on the pendulum pin on the preceding convexity and snap in the lockhole, and the R bar pays that pressure point presses down preceding convexity in bar and the R bar reach process, pinning to move down from lockhole breaks away from.