CN213807074U

CN213807074U - Locking mechanism of electronic lock

Info

Publication number: CN213807074U
Application number: CN202022289732.0U
Authority: CN
Inventors: 韩文杰; 王壤
Original assignee: Ningbo Wangtong Locks Co Ltd
Current assignee: Ningbo Wangtong Locks Co Ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-07-27
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a locking mechanism of electronic lock, including the base, be provided with driver part and drive assembly in the base, the lockhole has been seted up to the base, and the lockhole internal slipping is provided with the locking piece, and drive assembly sets up on the rack including the rack, and the locking piece slides, and driver part orders about the rack and drives the relative lockhole motion of locking piece, is provided with elastic buffer between locking piece and the rack, and elastic buffer makes the locking piece have the motion trend of keeping away from the rack all the time. The utility model has the advantages of it is following and effect: the new mechanical structure of this scheme utilization has the better, the higher effect of reliability of locking effect.

Description

Locking mechanism of electronic lock

Technical Field

The utility model relates to a tool to lock technical field, in particular to locking mechanism of electronic lock.

Background

At present, electronic bolt on the market, electronic lockpin mainly used various tool to lock, the electric motor car floodgate that rises, the switch of band-type brake lock and the connection of some parts are fixed, but electronic bolt is in long-time use, some slight deviations can appear in bolt and bolt hole, probably make the bolt can't stretch out because do not align during the grafting, the locking effect is relatively poor, perhaps the dead phenomenon of card that is led to because of the deviation produces atmospheric pressure external force when the bolt unhook, make to unblank or close the lock failure, and the power of electronic bolt directly comes from the motor, the bolt can't remove, can lead to inside motor stall, seriously influence the motor life, cause the condition that the motor burns out.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a locking mechanism of electronic lock has the better, the higher effect of reliability of locking effect.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a locking mechanism of electronic lock, includes the base, is provided with driver part and drive assembly in the base, and the lockhole has been seted up to the base, and the sliding is provided with the locking piece in the lockhole, and drive assembly is including the rack, and the locking piece slides and sets up on the rack, and driver part orders about the rack and drives the relative lockhole motion of locking piece, is provided with elastic buffer between locking piece and the rack, and elastic buffer makes the locking piece have the motion trend of keeping away from the rack all the time.

Through adopting above-mentioned technical scheme, under the initial condition, the locking piece is located the base, when the locking, drive assembly orders about the rack through drive assembly and moves to the direction that is close to the lockhole, and simultaneously, it stretches out the lockhole to drive the locking piece, conflict in outside when keeping off the thing owing to the deviation when the locking piece front end, elastic buffer is compressed, after outside keeping off the thing and removing, under elastic buffer's elastic force effect, can make the locking piece front end insert in outside spliced eye corresponding completely, thus, even the locking piece is obstructed at the locking in-process, drive assembly also can drive and target in place, elastic buffer can provide certain buffering space, avoid drive assembly to damage, higher reliability has, and the locking effect is better. In addition, the locking block and the rack are arranged in a split manner, so that the processing is convenient.

The present invention may be further configured in a preferred embodiment as: the driving member is configured to drive the motor.

The present invention may be further configured in a preferred embodiment as: the transmission assembly is provided with a worm, a first transmission gear and a second transmission gear, the worm is fixedly connected to an output shaft of the driving motor, the first transmission gear is meshed with the worm, and the second transmission gear is meshed with the first transmission gear and the rack.

Through adopting above-mentioned technical scheme, when driving motor drive, the worm rotates, drives first drive gear and second drive gear in proper order and rotates, and then drives the rack and remove.

The present invention may be further configured in a preferred embodiment as: the first transmission gear is a duplicate gear which comprises a large gear and a small gear which are coaxial, the large gear is meshed with the worm, and the small gear is meshed with the second transmission gear.

The present invention may be further configured in a preferred embodiment as: the second drive gear is provided with the extension cover along axial extension, and the base is provided with the fixed column, and the fixed column is located through extending the cover rotation cover to the second drive gear.

Through adopting above-mentioned technical scheme, locate the fixed column with second drive gear through extending the cover for second drive gear has higher stability at the rotation in-process, and the meshing effect between with first drive gear and the rack is better.

The present invention may be further configured in a preferred embodiment as: the rack is provided with a first convex block, the locking block is correspondingly provided with a second convex block, the elastic buffer piece is arranged to be an extension spring, one end of the extension spring is abutted against the first convex block, and the other end of the extension spring is abutted against the second convex block.

Through adopting above-mentioned technical scheme, under the elasticity effect of extension spring for the locking piece has the motion trend that relative rack stretches out to the lockhole outward all the time.

The present invention may be further configured in a preferred embodiment as: the rack is provided with a strip-shaped groove, the extension spring is positioned in the groove, the second lug extends into the groove, and when the locking block slides relative to the rack, the second lug moves along the groove.

Through adopting above-mentioned technical scheme, when the locking piece moves under the elastic force effect of extension spring rack relatively, the second lug is kept out of abutment with the terminal wall of recess mutually, can prevent to a certain extent that the locking piece from breaking away from the rack, and extension spring inlays and also is difficult for causing the phenomenon that breaks away from in the recess, has better limiting displacement.

The present invention may be further configured in a preferred embodiment as: the base is internally provided with side blocks which are positioned at the side edges of the lock hole and symmetrically arranged, a sliding groove is formed between the two side blocks, and the rack and the lock block slide in the sliding groove.

Through adopting above-mentioned technical scheme, the setting of side piece for locking piece and rack slide along the straight line all the time, are difficult for appearing the skew phenomenon.

The present invention may be further configured in a preferred embodiment as: and the side edge of the rack is provided with a limiting step which is in abutting and limiting fit with the side block.

By adopting the technical scheme, in the process that the rack extends out of the lock hole, the motion is stopped when the limiting step is abutted against the side block, and the anti-falling function is achieved.

The present invention may be further configured in a preferred embodiment as: be provided with limit stop in the base, limit stop and the tip that the lockhole was kept away from to the locking piece support the cooperation.

By adopting the technical scheme, when the locking piece retracts into the base, the tail end of the locking piece is abutted against the limit stop, so that the locking piece can stop moving.

To sum up, the utility model discloses following beneficial effect has:

1. the elastic buffer piece is arranged between the split type rack and the locking piece, so that the locking piece can provide a certain buffer space in the locking process, the damage of a driving part is avoided, the reliability is high, the locking effect is good, and in addition, the locking piece and the rack are arranged in a split manner, so that the processing process is convenient;

2. the second transmission gear is provided with the extension sleeve, so that the second transmission gear has higher stability in the rotating process and has better meshing effect with the first transmission gear and the rack;

3. the mode that the first lug is arranged on the rack, the groove is formed in the rack, the second lug is arranged on the locking block, the second lug extends into the groove, and when the locking block moves relative to the rack, the anti-falling effect can be achieved.

Drawings

Fig. 1 is a schematic diagram of the overall structural relationship of the embodiment.

Fig. 2 is a schematic diagram of the internal structural relationship of the embodiment.

Fig. 3 is a top view of the internal structure of the embodiment.

Fig. 4 is an exploded view of the embodiment.

Fig. 5 is a sectional view of section a-a in fig. 3.

Reference numerals: 1. a base; 11. fixing a column; 12. a lock hole; 13. a side block; 14. a chute; 15. a limit stop block; 2. an upper cover; 3. a drive motor; 31. a worm; 4. a first drive gear; 41. a bull gear; 42. a pinion gear; 5. a second transmission gear; 51. an extension sleeve; 6. a rack; 61. a groove; 62. a first bump; 63. a limiting step; 7. a locking block; 71. a second bump; 8. the spring is extended.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A locking mechanism of an electronic lock is shown in figures 1-4 and comprises a base 1, an upper cover 2 is arranged on the base 1 in a covering mode, a driving part and a transmission assembly are arranged in the base 1, the driving part is set to be a driving motor 3, the transmission assembly is set to be a worm 31, a first transmission gear 4, a second transmission gear 5 and a rack 6, the worm 31 is fixedly connected to an output shaft of the driving motor 3, the first transmission gear 4 is meshed with the worm 31, the second transmission gear 5 is meshed with the first transmission gear 4 and the rack 6, the first transmission gear 4 is set to be a duplicate gear, the duplicate gear comprises a large gear 41 and a small gear 42 which are coaxial, the large gear 41 is meshed with the worm 31, and the small gear 42 is meshed with the second transmission gear 5. The base 1 is provided with two fixed columns 11, and first drive gear 4 rotates to be connected in one of them fixed column 11, and second drive gear 5 is provided with along axial extension and extends cover 51, and another fixed column 11 is located to second drive gear 5 through extending cover 51 rotation cover.

The second transmission gear 5 is sleeved on the fixing column 11 through the extension sleeve 51, so that the second transmission gear 5 has high stability in the rotating process, and the meshing effect between the second transmission gear 5 and the first transmission gear 4 and the rack 6 is good.

As shown in fig. 5, a lock hole 12 is formed in a side wall of the base 1, a lock block 7 is slidably disposed in the lock hole 12, the lock block 7 is slidably disposed on the rack 6, a strip-shaped groove 61 is formed in the rack 6, the rack 6 is provided with a first projection 62 located at an end of the groove 61, a second projection 71 is correspondingly disposed at the bottom of the lock block 7, the second projection 71 extends into the groove 61, and when the lock block 7 slides relative to the rack 6, the second projection 71 moves along the groove 61. An extension spring 8 is disposed in the groove 61, one end of the extension spring 8 abuts against the first protrusion 62, and the other end of the extension spring 8 abuts against the second protrusion 71.

When the locking block 7 moves relative to the rack 6 under the elastic force of the extension spring 8, the second protrusion 71 abuts against the end wall of the groove 61, so that the locking block 7 can be prevented from being separated from the rack 6 to a certain extent, and the extension spring 8 is embedded in the groove 61, so that the separation phenomenon is not easily caused, and the locking block has a good limiting effect.

As shown in fig. 4, symmetrically arranged side blocks 13 located at the side edges of the lock hole 12 are arranged in the base 1, a sliding groove 14 is formed between the two side blocks 13, the rack 6 and the lock block 7 slide in the sliding groove 14, a limiting step 63 is arranged at the side edge of the rack 6, and the limiting step 63 abuts against and is in limiting fit with the side blocks 13. A limit stop block 15 is arranged in the base 1, and the limit stop block 15 is matched with the end part, far away from the lock hole 12, of the lock block 7 in a blocking mode.

The side block 13 is arranged, so that the locking block 7 and the rack 6 always slide along a straight line, and the position deviation phenomenon is not easy to occur. When the rack 6 extends out of the lock hole 12, the motion stops when the limit step 63 abuts against the side block 13, and the anti-falling function is achieved. When the locking block 7 retracts into the base 1, the tail end of the locking block 7 is abutted against the limit stop 15, and the locking block 7 can stop moving.

The utility model discloses a basic operating principle does: in an initial state, the locking block 7 is located in the base 1, when locking, the driving motor 3 is started, the worm 31 rotates to sequentially drive the first transmission gear 4 and the second transmission gear 5 to rotate, and then the rack 6 is driven to move towards a direction close to the lock hole 12, meanwhile, the locking block 7 is pushed under the elastic action of the extension spring 8 to extend out of the lock hole 12, when the front end of the locking block 7 is abutted to an external abutting object due to deviation, the extension spring 8 is compressed, after the external abutting object is removed, the front end of the locking block 7 can be completely and correspondingly inserted into an external insertion hole under the elastic action of the extension spring 8, so that even if the locking block 7 is obstructed in the locking process, the driving motor 3 can be driven in place, the extension spring 8 can provide a certain buffer space, the driving part is prevented from being damaged, higher reliability is achieved, and the locking effect is better. In addition, the locking block 7 and the rack 6 are arranged separately, so that the processing is convenient.

When the lock is unlocked, the driving motor 3 rotates reversely, so that the rack 6 moves in the base 1, and the second bump 71 abuts against the end wall of the groove 61 close to the lock hole 12, so that the lock block 7 is driven to move in the base 1, and the retraction unlocking process is realized.

The specific embodiments are only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a locking mechanism of electronic lock, includes base (1), be provided with driver part and transmission assembly in base (1), lockhole (12) have been seted up in base (1), lockhole (12) internal slipping is provided with locking piece (7), its characterized in that: the transmission assembly comprises a rack (6), a lock block (7) is arranged on the rack (6) in a sliding mode, a driving part drives the rack (6) to drive the lock block (7) to move relative to the lock hole (12), an elastic buffer part is arranged between the lock block (7) and the rack (6), and the elastic buffer part enables the lock block (7) to be always away from the motion trend of the rack (6).

2. The locking mechanism of an electronic lock as claimed in claim 1, wherein: the drive member is provided as a drive motor (3).

3. The locking mechanism of an electronic lock as claimed in claim 2, wherein: the transmission assembly is provided with a worm (31), a first transmission gear (4) and a second transmission gear (5), the worm (31) is fixedly connected to an output shaft of the driving motor (3), the first transmission gear (4) is meshed with the worm (31), and the second transmission gear (5) is meshed with the first transmission gear (4) and the rack (6).

4. A locking mechanism of an electronic lock as claimed in claim 3, wherein: the first transmission gear (4) is arranged as a duplicate gear, the duplicate gear comprises a large gear (41) and a small gear (42) which are coaxial, the large gear (41) is meshed with the worm (31), and the small gear (42) is meshed with the second transmission gear (5).

5. A locking mechanism of an electronic lock as claimed in claim 3, wherein: the second transmission gear (5) extends axially to be provided with an extension sleeve (51), the base (1) is provided with a fixing column (11), and the second transmission gear (5) is rotatably sleeved on the fixing column (11) through the extension sleeve (51).

6. The locking mechanism of an electronic lock as claimed in claim 1, wherein: the rack (6) is provided with a first bump (62), the locking block (7) is correspondingly provided with a second bump (71), the elastic buffer piece is set to be an extension spring (8), one end of the extension spring (8) abuts against the first bump (62), and the other end of the extension spring (8) abuts against the second bump (71).

7. The locking mechanism of an electronic lock as claimed in claim 6, wherein: the rack (6) is provided with a strip-shaped groove (61), the extension spring (8) is positioned in the groove (61), the second bump (71) extends into the groove (61), and when the locking block (7) slides relative to the rack (6), the second bump (71) moves along the groove (61).

8. The locking mechanism of an electronic lock as claimed in claim 1, wherein: the lock is characterized in that side blocks (13) which are located on the side edge of the lock hole (12) and symmetrically arranged are arranged in the base (1), a sliding groove (14) is formed between the two side blocks (13), and the rack (6) and the lock block (7) slide in the sliding groove (14).

9. The locking mechanism of an electronic lock of claim 8, wherein: the side edge of the rack (6) is provided with a limiting step (63), and the limiting step (63) is in abutting and limiting fit with the side block (13).

10. The locking mechanism of an electronic lock as claimed in claim 1, wherein: a limit stop (15) is arranged in the base (1), and the limit stop (15) is matched with the end part, far away from the lock hole (12), of the lock block (7) in a blocking mode.