CN210768174U

CN210768174U - Pure mechanical timing device

Info

Publication number: CN210768174U
Application number: CN201921257847.2U
Authority: CN
Inventors: 王盛
Original assignee: Ganzhou Heying Auto Parts Co ltd
Current assignee: Jiangxi Heying Technology Co ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-06-16
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a pure mechanical type timing device, this timing device include supporter, main transfer line and end-stopping pendulum rod, be equipped with the main shaft on the supporter, main transfer line and end-stopping pendulum rod's one end cup joints on the main shaft, and main transfer line and end-stopping pendulum rod can be around the main shaft rotation, utilize end-stopping torsional spring, spacing post, spacing hole, end-stopping latch, make take the unable anticlockwise gyration of the one-way anticlockwise attenuator of tooth formula, end-stopping latch, take the one-way anticlockwise attenuator of tooth formula and sliding closure rack/gear to form interlocking structure and realize regularly resetting. A pure mechanical type timing device, pure mechanical type timing one-way mechanism, cooperation sliding closure form pure mechanical type timing reset mechanism, can be under the electroless condition automatic timing reset, artificial forgetting the sliding closure when having avoided the use and having reset.

Description

Pure mechanical timing device

Technical Field

The utility model relates to the field of machinary, in particular to pure mechanical type timing device.

Background

The existing sliding cover of the fingerprint lock adopts an electric reset mechanism, and the electric reset mechanism cannot be reset at regular time under the condition of power failure/no power;

after the sliding cover is opened, due to artificial hurry or other reasons, the phenomenon that the sliding cover of the fingerprint lock is opened and not closed frequently occurs, so that an operation interface of the fingerprint lock is exposed outside.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a purely mechanical timing device, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pure mechanical timing device comprises a supporting body, a main transmission rod and a non-return oscillating bar, wherein a main shaft is arranged on the supporting body, one ends of the main transmission rod and the non-return oscillating bar are sleeved on the main shaft, the main transmission rod and the non-return oscillating bar can rotate around the main shaft, and the other end of the main transmission rod is connected with the supporting body through a main transmission rod reset tension spring;

a third gear is arranged on the main shaft;

a first gear and a second gear which are meshed with each other are arranged on the main transmission rod, and the second gear is meshed with the third gear; one side of the first gear is provided with a toothed one-way anticlockwise damper;

an operating rod is arranged on one side, away from the toothed unidirectional counterclockwise damper, of the main transmission rod, one end of the operating rod is rotatably connected with the supporting body through a small rotating shaft arranged on the supporting body, an operating return spring is clamped between the operating rod and the supporting body at the small rotating shaft, and the other end of the operating rod can push the main transmission rod to rotate around the main shaft under the action of external force, so that the first gear is meshed with the toothed unidirectional counterclockwise damper;

the third gear with it has main shaft reset torsion spring to connect in main shaft department joint between the contrary pendulum rod, the end that the main shaft was kept away from to contrary pendulum rod is installed and is stopped the bolt structure, it includes to stop bolt, ends the torsion spring to stop the bolt structure, it is close to taking the one-way anticlockwise attenuator of tooth through the pivot swivelling joint that ends the pivot swivelling joint that sets up on the contrary pendulum rod to stop the bolt, it has the contrary torsion spring to stop the bolt in pivot department joint between contrary bolt and the contrary pendulum rod.

Preferably, one side of the third gear is provided with a toothed one-way timing damper meshed with the third gear.

Preferably, the non-return latch structure further comprises a limiting post and a limiting hole, the limiting hole is formed in one end, far away from the toothed one-way anticlockwise damper, of the non-return latch, the limiting post is arranged at a position, matched with the limiting hole, of the non-return swing rod, and the limiting post penetrates through the limiting hole.

Preferably, the cross section of the timing device is octagonal.

Compared with the prior art, the utility model discloses following beneficial effect has: the pure mechanical timing one-way device is provided with a pure mechanical timing one-way mechanism, and is matched with the sliding cover to form a pure mechanical timing reset mechanism, so that the pure mechanical timing one-way device can automatically reset at fixed time under the condition of no electricity, and the situation that the sliding cover is forgotten to reset manually when in use is avoided.

Drawings

Fig. 1 is a front view of a purely mechanical timing device of the present invention;

FIG. 2 is a schematic view of the overall structure of the purely mechanical timing device of the present invention;

FIG. 3 is an overall exploded view of the purely mechanical timing device of the present invention;

in the figure: 1. an operating lever; 2. operating a return spring; 3. the main transmission rod is reset by a tension spring; 4. a main drive rod; 5. a first gear; 6. a toothed one-way counterclockwise damper; 7. a non-return swing rod; 8. a non-return torsion spring; 9. a non-return latch; 10. a main shaft; 11. a main shaft reset torsion spring; 12. a toothed one-way timing damper; 13. a second gear; 14. a third gear; 15. a support body; 16. a limiting hole; 17. a limiting column.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a purely mechanical timing device includes a support body 15, a main transmission rod 4 and a non-return swing link 7, wherein the support body 15 is provided with a main shaft 10, one end of the main transmission rod 4 and one end of the non-return swing link 7 are sleeved on the main shaft 10, the main transmission rod 4 and the non-return swing link 7 can rotate around the main shaft 10, and the other end of the main transmission rod 4 is connected with the support body 15 through a main transmission rod return tension spring 3;

a third gear 14 is arranged on the main shaft 10;

a first gear 5 and a second gear 13 which are meshed with each other are arranged on the main transmission rod 4, and the second gear 13 and a third gear 14 are meshed with each other; one side of the first gear 5 is provided with a toothed one-way anticlockwise damper 6;

an operating rod 1 is arranged on one side, away from the toothed unidirectional counterclockwise damper 6, of the main transmission rod 4, one end of the operating rod 1 is rotatably connected with the supporting body 15 through a small rotating shaft arranged on the supporting body 15, an operating return spring 2 is clamped between the operating rod 1 and the supporting body 15 at the small rotating shaft, and the other end of the operating rod 1 can push the main transmission rod 4 to rotate around the main shaft 10 under the action of external force, so that the first gear 5 is meshed with the toothed unidirectional counterclockwise damper 6;

the third gear 14 with it has main shaft reset torsion spring 11 to connect in main shaft 10 department between the contrary pendulum rod 7, the contrary pendulum rod 7 is kept away from the one end of main shaft 10 and is installed contrary latch 9 structure, contrary latch 9 structure includes contrary latch 9, contrary torsion spring 8, contrary latch 9 is through the pivot swivelling joint that sets up on the contrary pendulum rod 7, and contrary latch 9 one end is close to the one-way anticlockwise attenuator 6 of tooth formula, it has contrary torsion spring 8 to connect in pivot department between contrary latch 9 and the contrary pendulum rod 7.

One side of the third gear 14 is provided with a toothed one-way timing damper 12 engaged with the third gear 14.

The structure of the non-return latch 9 further comprises a limiting post 17 and a limiting hole 16, the limiting hole 16 is arranged at one end, far away from the toothed one-way anticlockwise damper 6, of the non-return latch 9, the limiting post 17 is arranged at the position, matched with the limiting hole 16, of the non-return swing rod 7, and the limiting post 17 penetrates through the limiting hole 16.

The cross section of the timing device is octagonal.

It should be noted that the utility model relates to a purely mechanical timing device, which is used in cooperation with a sliding cover, when the sliding cover is pushed to move upwards, a rack or a gear on the sliding cover drives a toothed unidirectional counterclockwise damper 6 to rotate clockwise, an operating rod 1 is pressed to extrude a main transmission rod 4 to approach the toothed unidirectional counterclockwise damper 6, so that a first gear 5 is meshed with the toothed unidirectional counterclockwise damper 6, the first gear 5, a second gear 13 are meshed with a third gear 14 in sequence, so that the third gear 14 drives a main shaft 10 to rotate counterclockwise, a main shaft reset torsion spring 11 is forced to bear force and accumulate, a check oscillating bar 7 is synchronously extruded to rotate counterclockwise, a check latch 9 is driven to be fitted with a gear of the toothed unidirectional counterclockwise damper 6 to be clamped under the action of the check torsion spring 8, a limiting column 17 and a limiting hole 16, so that the toothed unidirectional counterclockwise damper 6 cannot rotate counterclockwise, the non-return latch 9, the toothed unidirectional counterclockwise damper 6 and the sliding closure rack/gear form an interlocking structure.

The operating force of the operating rod 1 is removed, the operating rod 1, the main transmission rod 4 and the non-return oscillating bar 7 are reset under the action of the main transmission rod reset tension spring 3, the operating reset spring 2, the main shaft reset torsion spring 11 and the non-return torsion spring 8, the third gear 14 is reset and receives the damping force of the toothed one-way timing damper 12, so that the third gear 14 and the non-return oscillating bar 7 are reset at regular time, the non-return latch 9 is enabled to be separated from the toothed one-way anticlockwise damper 6, and finally the sliding cover moves downwards under the action of gravity to cover.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, which are only illustrative, but also various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the present invention as claimed, which is defined by the appended claims and their equivalents.

Claims

1. A pure mechanical timing device is characterized by comprising a support body (15), a main transmission rod (4) and a non-return swing rod (7), wherein a main shaft (10) is arranged on the support body (15), one ends of the main transmission rod (4) and the non-return swing rod (7) are sleeved on the main shaft (10), the main transmission rod (4) and the non-return swing rod (7) can rotate around the main shaft (10), and the other end of the main transmission rod (4) is connected with the support body (15) through a main transmission rod reset tension spring (3);

a third gear (14) is arranged on the main shaft (10);

a first gear (5) and a second gear (13) which are meshed with each other are arranged on the main transmission rod (4), and the second gear (13) and a third gear (14) are meshed with each other; a toothed one-way anticlockwise damper (6) is arranged on one side of the first gear (5);

an operating rod (1) is arranged on one side, away from the toothed unidirectional counterclockwise damper (6), of the main transmission rod (4), one end of the operating rod (1) is rotatably connected with the supporting body (15) through a small rotating shaft arranged on the supporting body (15), an operating return spring (2) is clamped between the operating rod (1) and the supporting body (15) at the small rotating shaft, and the other end of the operating rod (1) can push the main transmission rod (4) to rotate around the main shaft (10) under the action of external force, so that the first gear (5) is meshed with the toothed unidirectional counterclockwise damper (6);

third gear (14) with the joint is located at main shaft (10) between contrary pendulum rod (7) has main shaft reset torsion spring (11), contrary pendulum rod (7) are kept away from the one end of main shaft (10) and are installed contrary breech block (9) structure, contrary breech block (9) structure includes contrary breech block (9), contrary torsion spring (8), contrary breech block (9) are close to and take toothed one-way anticlockwise attenuator (6) through the pivot swivelling joint that sets up on contrary pendulum rod (7), contrary breech block (9) one end, it has contrary breech spring (8) to connect in pivot department between contrary breech block (9) and contrary pendulum rod (7).

2. A purely mechanical timing device, as claimed in claim 1, wherein: and a toothed one-way timing damper (12) meshed with the third gear (14) is arranged on one side of the third gear (14).

3. A purely mechanical timing device according to any of claims 1-2, characterised in that: the structure of the non-return bolt (9) further comprises a limiting column (17) and a limiting hole (16), the limiting hole (16) is formed in one end, far away from the toothed one-way anticlockwise damper (6), of the non-return bolt (9), the limiting column (17) is arranged at the position, matched with the limiting hole (16), of the non-return swing rod (7), and the limiting column (17) penetrates through the limiting hole (16).

4. A purely mechanical timing device according to any of claims 1-2, characterised in that: the cross section of the timing device is octagonal.