Mountaineering buckle lock

Abstract

The utility model relates to a mountaineering buckle lock which comprises a lock catch, a first locking rod is hinged to one end of the lock catch, a second locking rod is fixedly connected to the other end of the lock catch, a first reset spring and a reset swing piece are arranged in the hinged end of the first locking rod, one end of the first reset spring abuts against the first locking rod, and the other end of the first reset spring abuts against the second locking rod. The reset swing piece abuts against the interior of a swing groove formed in the end of the lock catch under the action of a second reset spring, the end of the first locking rod is matched with the end of the second locking rod in an inclined face mode, and a slidable spring bolt and a second reset spring acting on the spring bolt are arranged in the second locking rod. A locking groove matched with the end of the spring bolt is formed in the end of the first locking rod, the spring bolt extends out of the second locking rod under the action of the second reset spring so that the end of the spring bolt can be clamped into the locking groove, and a locking structure of the spring bolt is arranged on the second locking rod. The mountaineering buckle lock is more convenient and faster to use, and the use requirement of a user for quickly connecting objects can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of locks, in particular to a carabiner lock. Background Art

[0002] Carabiner locks are used to connect ropes, vehicles, etc. in outdoor activities. Their main structure is a lock buckle that can be locked. In order to enhance the stability after locking, existing carabiner locks will add a locking structure to the lock buckle. For example, the utility model patent: Password lock with carabiner (application number: 201620794545.9) discloses a carabiner lock that can achieve password locking. However, this carabiner lock is not convenient enough to operate when locking, and is not convenient for achieving quick connection in outdoor activities, and cannot meet the needs of outdoor enthusiasts.

[0003] In view of the above problems, the present invention makes improvements. Utility Model Content

[0004] The utility model provides a carabiner lock, which solves the above problems existing in the prior art during use.

[0005] The technical solution of the utility model is achieved in this way:

[0006] The cam is secured to the locking cam of the claim 1 and is adapted to engage the cam of the lock member when the cam is in the unlocked state and to engage the locking cam of the lock member when the cam is unlocked.

[0007] Preferably, the second locking rod is hollow inside to form a sliding cavity, the inner wall of the sliding cavity is provided with a first limiting groove that passes through the second locking rod, the locking tongue is formed with a locking portion that matches the first limiting groove, the locking tongue is penetrated into the sliding cavity, the locking portion passes through the first limiting groove, the second locking rod is symmetrically provided with two sliding grooves, and the locking tongue is penetrated with a sliding rod with both ends respectively held in the two sliding grooves.

[0008] Preferably, a transmission block is sleeved on the second locking rod, and a transmission part is formed on the transmission block and passes through the first limiting groove and is located in the sliding cavity. The second return spring is sleeved on the second locking rod and abuts against the transmission block, and the transmission part abuts against the lock tongue under the action of the second return spring.

[0009] Preferably, a plurality of second limiting grooves are formed on the peripheral side surface of the second locking rod, and a plurality of first limiting portions matching with the second limiting grooves and retained in the second limiting grooves are formed on the transmission block.

[0010] Preferably, the locking structure includes a locking ring, a plurality of locking grooves are provided on the locking portion, and the plurality of locking rings are rotatably arranged on the second locking rod and aligned one by one with the locking grooves so that the locking rings can be rotatably inserted into the locking grooves, and a first clearance groove matching the locking portion is provided on the inner wall of the locking ring.

[0011] Preferably, a accommodating cavity is provided on the end surface of the locking ring, the second locking rod sleeve is provided with a limiting ring located in the accommodating cavity, a plurality of second limiting parts matching the second limiting grooves and retained in the second limiting grooves are formed on the inner wall of the limiting ring, a second giving way groove matching the locking part is provided on the inner wall of the limiting ring, the locking part is retained in the second giving way groove, an elastic part is formed on the circumferential side of the limiting ring, a limiting protrusion is formed on the elastic part, a third limiting groove in an annular array matching the limiting protrusion is provided on the inner wall of the accommodating cavity, and when the limiting protrusion is inserted into one of the third limiting grooves, the first giving way groove is aligned with the second giving way groove.

[0012] Preferably, a third limiting portion matching the accommodating cavity is formed on the end surface of the locking ring, and the third limiting portion extends into the accommodating cavity of the adjacent locking ring.

[0013] To sum up, the beneficial effect of the utility model is that when using the carabiner lock, the first locking rod is pushed inward to make the end of the lock tongue withdraw from the locking groove, and the object can be placed in the lock to achieve the connection of the object. The first locking rod can be automatically reset under the action of the first reset spring and the reset swing piece to make the end of the lock tongue re-enter the locking groove, making the use of the carabiner lock very convenient and quick, and can achieve quick connection of objects to meet the user's usage needs. The locking structure locks the lock tongue to ensure the stability of the carabiner lock after connecting the object. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0017] Figure 3 for Figure 2 The enlarged schematic diagram of point A in the middle;

[0018] Figure 4 It is a cross-sectional schematic diagram of another direction of the utility model;

[0019] Figure 5 for Figure 4 The enlarged schematic diagram of point B in the middle;

[0020] Figure 6 It is a cross-sectional schematic diagram of another direction of the utility model;

[0021] Figure 7 It is an exploded schematic diagram of the utility model;

[0022] Figure 8 It is a schematic diagram of the structure of the locking ring and the limiting ring in the utility model.

[0023] In the figure: 1. lock buckle; 11. swing groove; 2. second locking rod; 21. lock tongue; 211. locking part; 212. sliding rod; 213. locking groove; 22. second reset spring; 23. sliding cavity; 24. first limiting groove; 25. sliding groove; 26. transmission block; 261. transmission part; 262. first limiting part; 27. second limiting groove; 3. first locking rod; 31. first reset spring; 32. reset swing piece; 33. locking groove; 41. locking ring; 411. first giving way groove; 412. accommodating cavity; 413. third limiting groove; 414. third limiting part; 42. limiting ring; 421. second limiting part; 422. second giving way groove; 423. elastic part; 424. limiting protrusion. DETAILED DESCRIPTION

[0024] The following will be combined with the attached embodiment of the utility model Figure 1-8 , clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] As shown in the figure, a carabiner lock comprises a lock buckle 1, a first locking rod 3 is hinged on one end of the lock buckle 1, a second locking rod 2 is fixedly connected to the other end of the lock buckle 1, a first return spring 31 and a return swing piece 32 are arranged in the hinged end of the first locking rod 3, one end of the first return spring 31 abuts against the first locking rod 3, and the other end is sleeved on the return swing piece 32 and abuts against the return swing piece 32, the return swing piece 32 abuts against the swing groove provided at the end of the lock buckle 1 under the action of the first return spring 31, and the first locking rod 3 is 3 and the end of the second locking rod 2 are matched with an inclined surface, that is, the end of the first locking rod 3 and the second locking rod 2 are respectively formed with an inclined surface that can abut against each other, a slidable locking tongue 21 and a second reset spring 22 acting on the locking tongue 21 are arranged in the second locking rod 2, and a locking groove 33 matching the end of the locking tongue 21 is opened at the end of the first locking rod 3. Under the action of the second reset spring 22, the locking tongue 21 extends out of the second locking rod 2 so that the end of the locking tongue 21 is stuck in the locking groove 33, and a locking structure of the locking tongue 21 is arranged on the second locking rod 2.

[0026] Specifically, the structure in which the locking tongue 21 is slidably arranged in the second locking rod 2 is as follows: the second locking rod 2 is hollow inside to form a sliding cavity 23, the inner wall of the sliding cavity 23 is provided with a first limiting groove 24 penetrating the second locking rod 2, the locking tongue 21 is formed with a locking portion 211 matching the first limiting groove 24, the locking tongue 21 is penetrated in the sliding cavity 23, the locking portion 211 passes through the first limiting groove 24, the second locking rod 2 is symmetrically provided with two sliding grooves 25, the locking tongue 21 is penetrated with two ends respectively held in the two sliding grooves 25 The sliding rod 212, in the above structure, the lock tongue 21 has a tendency to slide toward the first locking rod 3 in the sliding cavity 23 under the action of the second return spring 22 so that the end of the lock tongue 21 extends out of the second locking rod 2. During the sliding process of the lock tongue 21, the locking portion 211 keeps sliding in the first limiting groove 24, limiting the rotation of the lock tongue 21 and ensuring the stability of the lock tongue 21 when sliding. At the same time, the sliding rod 212 keeps sliding in the sliding groove 25, limiting the sliding stroke of the lock tongue 21 and ensuring that the lock tongue 21 keeps sliding in the sliding cavity 23.

[0027] Specifically, the structure in which the second return spring 22 acts on the lock tongue 21: a transmission block 26 is sleeved on the second locking rod 2, and a transmission portion 261 is formed on the transmission block 26, which passes through the first limiting groove 24 and is located in the sliding cavity 23. The second return spring 22 is sleeved on the second locking rod 2 and abuts against the transmission block 26. The transmission portion 261 abuts against the lock tongue 21 under the action of the second return spring 22. In the above structure, the second return spring 22 abuts against the transmission block 26 and acts on the lock tongue 21 through the transmission portion 261. While realizing the resetting and pushing action of the second return spring 22 on the lock tongue 21, the overall assembly of the carabiner lock is facilitated.

[0028] Specifically, the locking structure includes a locking ring 41, and a plurality of locking grooves 213 are provided on the locking portion 211. The plurality of locking rings 41 are rotatably arranged on the second locking rod 2 and aligned one by one with the locking grooves 213 so that the locking rings 41 can be rotatably inserted into the locking grooves 213. A first clearance groove 411 matching the locking portion 211 is provided on the inner wall of the locking ring 41.

[0029] Specifically, the locking ring 41 is rotatably arranged on the second locking rod 2: an accommodating cavity 412 is provided on the end surface of the locking ring 41, and the second locking rod 2 is sleeved with a limiting ring 42 located in the accommodating cavity 412. A plurality of second limiting portions 421 matching with the second limiting grooves 27 and retained in the second limiting grooves 27 are formed on the inner wall of the limiting ring 42. A second giving way groove 422 matching with the locking portion 211 is provided on the inner wall of the limiting ring 42. The locking portion 211 is retained in the second giving way groove 422. An elastic portion 423 is formed on the peripheral side surface of the limiting ring 42. A limiting protrusion 424 is formed on the elastic portion 423, and a third limiting groove 413 in an annular array and matching with the limiting protrusion 424 is opened on the inner wall of the accommodating cavity 412. When the limiting protrusion 424 is inserted into one of the third limiting grooves 413, the first making way groove 411 is aligned with the second making way groove 422. In the above structure, the second limiting portion 421 is retained in the second limiting groove 27 to limit the rotation of the limiting ring 42 on the second locking rod 2, and the cooperation of the limiting protrusion 424 and the third limiting groove 413 applies damping to the rotation of the locking ring 41 on the second locking rod 2.

[0030] In the above embodiment, when using this carabiner lock, each locking ring 41 is rotated to align the second clearance groove 422 on each locking ring 41 with the first clearance groove 411 on each limiting ring 42, and the connection forms a channel for the locking portion 211 to pass through. During the rotation of the locking ring 41, the limiting ring 42 is kept stationary on the second locking rod 2 through the cooperation between the second limiting portion 421 and the second limiting groove 27, and the limiting protrusion 424 applies damping to the rotation of the locking ring 41 between the third limiting grooves 413 at different positions as the locking ring 41 rotates, so that the locking ring 41 can The locking portion 211 is able to slide inwardly along with the locking tongue 21 through the passage formed by the first and second clearance grooves 411 and 422. As the locking tongue 21 slides inwardly, the end of the locking tongue 21 withdraws from the locking groove 33, so that the first locking rod 3 can swing inwardly, and an opening is generated between the ends of the first locking rod 3 and the second locking rod 2 for an object to be connected with a rope to pass through. The object to be connected with a rope can enter the lock through the opening. After the object is connected, the first locking rod 3 is released, so that the first locking rod 3 is reset and swung toward the second locking rod 2 under the cooperation of the first reset spring 31 and the reset swing piece 32, so that the inclined surfaces of the ends of the first locking rod 3 and the second locking rod 2 are matched, and the end of the lock tongue 21 is re-engaged in the locking groove 33, and then each locking ring 41 is rotated at will, so that the second make way groove 422 leaves the position aligned with the first make way groove 411, and the locking ring 41 is engaged in the locking groove 213, and the locking ring 41 and the locking groove 2 The cooperation of 13 is to limit the sliding of the locking portion 211 in the first limiting groove 24, and to limit the sliding of the locking tongue 21 in the sliding cavity 23, so that the end of the locking tongue 21 is kept in the locking groove 33 and the swing of the first locking rod 3 is limited, thereby realizing the locking of the carabiner lock and ensuring the stability of the carabiner lock after connecting the object. In the above-mentioned process of using this carabiner lock, after unlocking the locking structure of the locking tongue 21, the object to be connected can be inserted into the lock buckle 1, which is very convenient and quick to use, and can quickly realize the connection of objects to meet the user's usage needs.

[0031] Preferably, a plurality of second limiting grooves 27 are formed on the side surface of the second locking rod 2, and a plurality of first limiting portions 262 matching the second limiting grooves 27 and retained in the second limiting grooves 27 are formed on the transmission block 26. The first limiting portions 262 are retained in the second limiting grooves 27 and slide with the transmission block 26 to limit the rotation of the transmission block 26 on the second locking rod 2, thereby ensuring the stability of the transmission block 26 when sliding on the second locking rod 2, thereby stably transmitting the restoring force of the second return spring 22 to the lock tongue 21.

[0032] Preferably, a third limiting portion 414 matching the accommodating cavity 412 is formed on the end face of the locking ring 41, and the third limiting portion 414 extends into the accommodating cavity 412 of the adjacent locking ring 41 to enhance the concentricity between the locking rings 41, so that each locking ring 41 is more stable when rotating to unlock or lock the lock tongue 21.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A carabiner lock, comprising a lock buckle (1), characterized in that: A first locking rod (3) is hingedly connected to one end of the lock buckle (1), and a second locking rod (2) is fixedly connected to the other end of the lock buckle (1). A first return spring (31) and a return swing piece (32) are arranged in the hinged end of the first locking rod (3). One end of the first return spring (31) abuts against the first locking rod (3), and the other end is sleeved on the return swing piece (32) and abuts against the return swing piece (32). Under the action of the first return spring (31), the return swing piece (32) abuts against the swing groove (11) provided at the end of the lock buckle (1). The ends of the first locking rod (3) and the second locking rod (2) are matched with each other in an inclined surface, a slidable locking tongue (21) and a second return spring (22) acting on the locking tongue (21) are arranged in the second locking rod (2), a locking groove (33) matching with the end of the locking tongue (21) is opened at the end of the first locking rod (3), the locking tongue (21) extends out of the second locking rod (2) under the action of the second return spring (22) so that the end of the locking tongue (21) is stuck in the locking groove (33), and a locking structure of the locking tongue (21) is arranged on the second locking rod (2).

2. A carabiner lock according to claim 1, characterized in that: The second locking rod (2) is hollow inside to form a sliding cavity (23), the inner wall of the sliding cavity (23) is provided with a first limiting groove (24) penetrating the second locking rod (2), the locking tongue (21) is provided with a locking portion (211) matching the first limiting groove (24), the locking tongue (21) is inserted into the sliding cavity (23), the locking portion (211) passes through the first limiting groove (24), the second locking rod (2) is symmetrically provided with two sliding grooves (25), and the locking tongue (21) is provided with a sliding rod (212) with two ends respectively retained in the two sliding grooves (25).

3. A carabiner lock according to claim 2, characterized in that: A transmission block (26) is sleeved on the second locking rod (2), and a transmission portion (261) is formed on the transmission block (26) and passes through the first limiting groove (24) and is located in the sliding cavity (23). The second return spring (22) is sleeved on the second locking rod (2) and abuts against the transmission block (26). Under the action of the second return spring (22), the transmission portion (261) abuts against the locking tongue (21).

4. A carabiner lock according to claim 3, characterized in that: A plurality of second limiting grooves (27) are formed on the peripheral side surface of the second locking rod (2), and a plurality of first limiting portions (262) matching with the second limiting grooves (27) and retained in the second limiting grooves (27) are formed on the transmission block (26).

5. A carabiner lock according to claim 4, characterized in that: The locking structure comprises a locking ring (41), a plurality of locking grooves (213) are provided on the locking portion (211), the plurality of locking rings (41) are rotatably arranged on the second locking rod (2) and aligned one by one with the locking grooves (213) so that the locking rings (41) can be rotatably inserted into the locking grooves (213), and a first clearance groove (411) matching the locking portion (211) is provided on the inner wall of the locking ring (41).

6. A carabiner lock according to claim 5, characterized in that: The locking ring (41) has an accommodating cavity (412) formed on its end surface. The second locking rod (2) is sleeved with a limiting ring (42) located in the accommodating cavity (412). The limiting ring (42) has a plurality of second limiting portions (421) formed on its inner wall that match the second limiting grooves (27) and are retained in the second limiting grooves (27). The limiting ring (42) has a second clearance groove (422) formed on its inner wall that matches the locking portion (211). The locking portion (211) is retained in the second limiting grooves (27). The first stop groove (411) and the second stop groove (422) are held in the second stop groove (422), an elastic portion (423) is formed on the peripheral side surface of the stop ring (42), a limit protrusion (424) is formed on the elastic portion (423), and a third stop groove (413) in an annular array matching the limit protrusion (424) is formed on the inner wall of the accommodating cavity (412), and when the limit protrusion (424) is inserted into one of the third stop grooves (413), the first stop groove (411) is aligned with the second stop groove (422).

7. A carabiner lock according to claim 6, characterized in that: A third limiting portion (414) matching the accommodating cavity (412) is formed on the end surface of the locking ring (41), and the third limiting portion (414) extends into the accommodating cavity (412) of the adjacent locking ring (41).

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