CN217841188U

CN217841188U - Back-pulling type anti-blocking structure of lock body

Info

Publication number: CN217841188U
Application number: CN202222064751.2U
Authority: CN
Inventors: 吴文邦; 殷雄雄
Original assignee: Zhejiang Jiahe Lock Industry Co ltd
Current assignee: Zhejiang Jiahe Lock Industry Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-11-18
Anticipated expiration: 2032-08-05

Abstract

The utility model provides a lock body's dial-back formula anti-sticking structure belongs to tool to lock technical field. The lock solves the problems that when the lock tongue of the existing lock body is opened by a hand, the lock tongue cannot be retracted to the position, the thumb wheel and the supporting plate are stressed and self-locked, and the thumb wheel is clamped. The utility model discloses a lock casing and the layer board of setting on the lock casing, spring bolt and thumb wheel, the thumb wheel rotates to set up and is used for driving layer board and spring bolt motion to unblank on the layer board, the shutting, is equipped with first screens tooth on the layer board, first screens tooth has from the locking position on being close to the flank of tooth of thumb wheel one side, the thumb wheel stops when the locking position to the layer board, layer board and spring bolt form the auto-lock, is equipped with a push pedal on the layer board, the bottom of push pedal is equipped with a guide part, the outside salient of guide part and orientation thumb wheel, the utility model has the advantages of, when the spring bolt stops in the dead point position, rotate the thumb wheel, the thumb wheel drives layer board and spring bolt translation along the guide part to make the layer board break away from above-lock position.

Description

Back-pulling type anti-blocking structure of lock body

Technical Field

The utility model belongs to the technical field of the tool to lock, a dial-back formula anti-sticking structure of lock body is related to.

Background

The lock generally comprises a lock shell, a supporting plate, a lock bolt and a shifting wheel, wherein the supporting plate, the lock bolt and the shifting wheel are arranged on the lock shell, and the shifting wheel is rotatably arranged on the supporting plate and used for driving the supporting plate and the lock bolt to move to unlock and lock. The dial wheel second gear lock body in the market is usually because when the lock tongue is opened to the handle, can form the dial wheel and become atress auto-lock (commonly known as "dead point") with the layer board because the lock tongue can not retrieve the position, causes the dial wheel to block.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems of the prior lockset and providing a return type anti-jamming structure capable of removing the self-locking of a shifting wheel and a supporting plate.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a formula of dialling back anti-sticking structure of lock body, includes the lock casing and sets up layer board, spring bolt and thumb wheel on the lock casing, and the thumb wheel rotates to set up and is used for driving layer board and spring bolt motion to unblank, the shutting on the layer board, is equipped with first screens tooth on the layer board, and first screens tooth has from the lock position on being close to the flank of tooth of thumb wheel one side, when the thumb wheel stops to the auto-lock position of layer board, layer board and spring bolt form the auto-lock, its characterized in that, the layer board on be equipped with a push pedal, the bottom of push pedal is equipped with a guide part, the guide part is outwards outstanding and towards the thumb wheel, rotates the thumb wheel, and the thumb wheel drives layer board and spring bolt translation along the guide part to make the layer board break away from above-lock position.

In the above-mentioned pull-back type anti-sticking structure of a lock body, the push plate is arranged on the supporting plate in a sliding manner, and the moving direction of the push plate is opposite to that of the lock tongue.

In the formula of dialling back anti-sticking structure of foretell lock body, the layer board still be equipped with second screens tooth on the side of thumb wheel towards, cavity in the middle of second screens tooth, the horizontal interval arrangement of first screens tooth, forms between first screens tooth and the second screens tooth, first screens tooth still is equipped with right cavity for the opposite side of middle cavity, second screens tooth still is equipped with left cavity for the opposite side of middle cavity, the thumb wheel rotates and inserts left cavity or middle cavity or right cavity and drive the layer board translation.

In the above-mentioned pull-back type anti-seize structure of the lock body, the left concave cavity is provided with an arc surface along the insertion direction of the thumb wheel.

In the above-mentioned poking-back type anti-sticking structure of a lock body, the poking wheel pushes the push plate to translate and can slide to the left concave cavity along the guide part, so that the supporting plate and the lock tongue can be completely withdrawn.

In foretell lock body's formula of dialling back anti-sticking structure, the layer board on fixed be equipped with a spacing nail, it has the spacing groove to open on the push pedal, the push pedal slides through the spacing groove and sets up on the spacing nail of layer board, still be equipped with an extension spring between push pedal and the layer board, this extension spring is used for the pulling push pedal so that the guide part removes to the direction that is close to the thumb wheel all the time.

In the above-mentioned back-pulling type anti-sticking structure of a lock body, the extension spring pulls the push pedal to translate until one end of the limiting groove is abutted against the limiting nail, and the guide part is dead against the axis of the shifting wheel at the moment.

In the above-mentioned lock body's anti-sticking structure of pull-back formula, the side that the guide part faced second screens tooth is equipped with the direction inclined plane, and the thumb wheel withdraws from left cavity and follows this direction inclined plane and promote push pedal and layer board along shutting direction translation to make the layer board break away from above-mentioned self-locking position.

In the above-mentioned back-pull type anti-sticking structure of a lock body, the push plate on be equipped with a dog, the one end of extension spring is colluded on this dog, its other end colludes on the spacing nail.

In the above-mentioned pull-back type anti-sticking structure of a lock body, the supporting plate is provided with a guide groove, the opening direction of the guide groove is consistent with the opening and closing direction of the lock tongue, the lock shell is provided with a guide post, and the supporting plate is sleeved on the guide post through the guide groove and moves horizontally along the opening and closing direction relative to the guide post.

Compared with the prior art, when the lock tongue stops at the dead point position, the thumb wheel is rotated, the thumb wheel pushes the push plate through the guide part, the guide part is enabled to move horizontally in the direction away from the thumb wheel, the tension spring is lengthened, the thumb wheel is continuously rotated until the thumb wheel is rotated to be inserted into the left concave cavity, and the thumb wheel is continuously rotated to enable the lock tongue to be completely retracted; the poking wheel is rotated reversely to enable the poking wheel to move along the guide inclined plane of the guide portion, the poking wheel pushes the push plate and the supporting plate to move along the locking direction, and when the poking wheel rotates to the initial position, the supporting plate is moved out of the self-locking position with the poking wheel, so that the lock tongue is stopped at a designed gear position, and the lock can be normally unlocked.

Drawings

Fig. 1 is a schematic diagram of the general structure of the present invention;

FIG. 2 is a schematic view of the installation of the push plate of the present invention;

FIG. 3 is a schematic view of the thumb wheel and the support plate of the present invention in a self-locking position;

FIG. 4 is a schematic view of the thumb wheel of the present invention rotated to the position of the guide portion;

FIG. 5 is a schematic view of the thumb wheel of the present invention inserted into the left cavity over the guide;

FIG. 6 is a schematic view of the push plate pushed by the thumb wheel of the present invention moving in the latch direction;

FIG. 7 is a schematic view of the present invention when the supporting plate is moved out of the self-locking position with the shifting wheel;

fig. 8 is a schematic view of the present invention when latched.

In the figure, 1, a lock housing; 2. a pallet; 3. a latch bolt; 4. a thumb wheel; 5. self-locking; 6. A first clamping tooth; 7. a second clamping tooth; 8. a left concave cavity; 9. a middle concave cavity; 10. a right cavity; 11. pushing the plate; 12. a guide portion; 13. a limit pin; 14. a limiting groove; 15. a tension spring; 16. a guide slope; 17. a stopper; 18. a guide groove; 19. a guide post; 20. an arc-shaped surface.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 8, a formula anti-sticking structure that dials back of lock body, including lock casing 1 and layer board 2, spring bolt 3 and thumb wheel 4 of setting on lock casing 1, thumb wheel 4 rotates and sets up and is used for driving layer board 2 and spring bolt 3 motion to unblank, lock on layer board 2, it has guide way 18 to open on layer board 2, and the direction of seting up the direction of guide way 18 is unanimous with the direction that the spring bolt 3 opened the lock, is equipped with a guide post 19 on lock casing 1, layer board 2 overlaps through this guide way 18 cover and establishes on guide post 19 and relative guide post 19 along switching lock direction translation.

Be equipped with first screens tooth 6 on the layer board 2, first screens tooth 6 has from locking position 5 on being close to the flank of tooth of thumb wheel 4 one side, thumb wheel 4 stops when locating 5 to the self-locking of layer board 2, layer board 2 and spring bolt 3 form the auto-lock, layer board 2 on be equipped with a push pedal 11, the bottom of push pedal 11 is equipped with a guide part 12, guide part 12 outwards outstanding and towards thumb wheel 4, rotate thumb wheel 4, thumb wheel 4 drives layer board 2 and the translation of spring bolt 3 along guide part 12 to make layer board 2 break away from above-mentioned self-locking position 5. The push plate 11 is arranged on the supporting plate 2 in a sliding mode, and the moving direction of the push plate 11 is opposite to the moving direction of the lock tongue 3.

The layer board 2 still is equipped with second screens tooth 7 on the side of thumb wheel 4, and second screens tooth 7, the horizontal interval arrangement of first screens tooth 6, form middle cavity 9 between first screens tooth 6 and the second screens tooth 7, and first screens tooth 6 still is equipped with right cavity 10 for middle cavity 9's opposite side, and second screens tooth 7 still is equipped with left cavity 8 for middle cavity 9's opposite side, thumb wheel 4 rotates and inserts in left cavity 8 or middle cavity 9 or the right cavity 10 and drive layer board 2 translation. The left cavity 8 is provided with an arc surface 20 along the insertion direction of the thumb wheel 4. The thumb wheel 4 pushes the push plate 11 to translate and slide along the guide part 12 into the left cavity 8, so that the support plate 2 and the lock tongue 3 are completely retracted.

A limit nail 13 is fixedly arranged on the supporting plate 2, a limit groove 14 is formed in the pushing plate 11, the pushing plate 11 is arranged on the limit nail 13 of the supporting plate 2 in a sliding mode through the limit groove 14, a tension spring 15 is further arranged between the pushing plate 11 and the supporting plate 2, and the tension spring 15 is used for pulling the pushing plate 11 to enable the guide portion 12 to move towards the direction close to the shifting wheel 4 all the time. The tension spring 15 pulls the push plate 11 to translate until one end of the limit groove 14 abuts against the limit nail 13, and the guide part 12 is opposite to the axis of the thumb wheel 4. The push plate 11 is provided with a stop block 17, one end of the tension spring 15 is hooked on the stop block 17, and the other end is hooked on the limit nail 13.

The working principle of the utility model is as follows:

as shown in fig. 3, when the latch 3 stops at the dead point position, the thumb wheel 4 and the supporting plate 2 are located at the self-locking position 5; turning the thumb wheel 4 until the thumb wheel 4 rotates and abuts against the guide part 12 (as shown in fig. 4), continuing to rotate the thumb wheel 4, pushing the push plate 11 by the thumb wheel 4 through the guide part 12, enabling the guide part 12 to translate in the direction away from the thumb wheel 4, lengthening the tension spring 15, continuing to rotate the thumb wheel 4 until the thumb wheel 4 rotates and is inserted into the left cavity 8, and continuing to rotate the thumb wheel 4 to enable the bolt 3 to be completely retracted (as shown in fig. 5); the thumb wheel 4 is rotated reversely, so that the thumb wheel 4 moves along the guide inclined plane 16 of the guide portion 12, the thumb wheel 4 pushes the push plate 11 and the supporting plate 2 to move along the locking direction (as shown in fig. 6), and when the thumb wheel 4 rotates to the initial position, the supporting plate 2 moves out of the self-locking position 5 (as shown in fig. 7) of the thumb wheel 4, so that the lock tongue 3 stops at the designed gear position, and the lock can be normally unlocked.

When the user uses the electronic lock, the outside of the door of the electronic lock is not provided with a handle, so when the bolt 3 stops at a dead point position, the dial wheel 4 needs to be rotated by a key according to the steps to enable the supporting plate 2 to be separated from the self-locking position 5 of the dial wheel 4, and the dial wheel 4 is rotated to an original position, so that the electronic lock can be normally unlocked.

It should be understood that in the claims and the description of the present invention, all of "including 8230 \8230;" including 8230; "should be understood as open meaning, i.e., meaning equivalent to" including at least 8230; \8230; "and" including 8230; "should not be understood as closed meaning, i.e., meaning including only 8230;" 8230; ".

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a formula of dialling back anti-sticking structure of lock body, includes lock casing (1) and layer board (2), spring bolt (3) and thumb wheel (4) of setting on lock casing (1), thumb wheel (4) rotate to set up and be used for driving layer board (2) and spring bolt (3) motion to unblank, lock on layer board (2), be equipped with first screens tooth (6) on layer board (2), first screens tooth (6) have from lock position (5) on being close to the flank of tooth of thumb wheel (4) one side, thumb wheel (4) stop to layer board (2) when auto-lock position (5), layer board (2) and spring bolt (3) form the auto-lock, a serial communication port, layer board (2) on be equipped with a push pedal (11), the bottom of push pedal (11) is equipped with a guide part (12), guide part (12) are outwards outstanding and towards thumb wheel (4), rotate thumb wheel (4), thumb wheel (4) drive layer board (2) and spring bolt (3) translation along guide part (12) to make above-mentioned auto-lock position (5) break away from.

2. The lock body withdrawing type anti-blocking structure of claim 1, wherein the push plate (11) is slidably disposed on the supporting plate (2), and the moving direction of the push plate (11) is opposite to the moving direction of the lock tongue (3).

3. The lock body poking-back type anti-blocking structure of claim 1, wherein a side surface of the support plate (2) facing the poking wheel (4) is further provided with second clamping teeth (7), the second clamping teeth (7) and the first clamping teeth (6) are horizontally arranged at intervals, a middle cavity (9) is formed between the first clamping teeth (6) and the second clamping teeth (7), the other side of the first clamping teeth (6) relative to the middle cavity (9) is further provided with a right cavity (10), the other side of the second clamping teeth (7) relative to the middle cavity (9) is further provided with a left cavity (8), and the poking wheel (4) is rotatably inserted into the left cavity (8) or the middle cavity (9) or the right cavity (10) and drives the support plate (2) to translate.

4. A lock pick anti-seize structure according to claim 3, wherein the left cavity (8) is provided with an arc-shaped surface (20) along the insertion direction of the thumb wheel (4).

5. A lock retraction type anti-seize structure according to claim 3, characterized in that the thumb wheel (4) pushes the push plate (11) to translate and slide along the guide portion (12) into the left cavity (8) to fully retract the support plate (2) and the bolt (3).

6. The lock body poking-back type anti-jamming structure of the lock body according to claim 1, wherein the support plate (2) is fixedly provided with a limit nail (13), the push plate (11) is provided with a limit groove (14), the push plate (11) is slidably arranged on the limit nail (13) of the support plate (2) through the limit groove (14), a tension spring (15) is further arranged between the push plate (11) and the support plate (2), and the tension spring (15) is used for pulling the push plate (11) to enable the guide part (12) to move towards the direction close to the poking wheel (4) all the time.

7. The lock body poking-back type anti-blocking structure of claim 6, wherein the tension spring (15) pulls the push plate (11) to translate until one end of the limit groove (14) abuts against the limit nail (13), and the guide part (12) is opposite to the axle center of the poking wheel (4).

8. A lock body pull-back type anti-seize structure according to claim 3, wherein the guiding portion (12) is provided with a guiding inclined surface (16) on the side facing the second seizing tooth (7), the thumb wheel (4) withdraws from the left recess (8) and pushes the push plate (11) and the supporting plate (2) to translate along the locking direction along the guiding inclined surface (16) so as to separate the supporting plate (2) from the self-locking position (5).

9. A lock body draw-back type anti-seize structure according to claim 6, wherein the push plate (11) is provided with a stop block (17), one end of the tension spring (15) is hooked on the stop block (17), and the other end is hooked on the limit nail (13).

10. A lock body poking-back type anti-jamming structure according to claim 1, characterized in that the support plate (2) is provided with a guide groove (18), the opening direction of the guide groove (18) is consistent with the locking and unlocking direction of the lock tongue (3), the lock housing (1) is provided with a guide post (19), and the support plate (2) is sleeved on the guide post (19) through the guide groove (18) and moves horizontally relative to the guide post (19) along the locking and unlocking direction.