Padlock type chain lock

Abstract

The utility model discloses a padlock type chain lock, which relates to the technical field of chain locks and comprises a lock seat, connecting pieces are arranged at the rear end and on one side of the lock seat, a plurality of chain components are staggered between the two connecting pieces, different lengths of the plurality of chain components are convenient to adjust, and the locking effect is convenient to improve. A padlock assembly is arranged between the lock seat and the connecting piece located on one side of the lock seat and used for achieving the purpose of locking the chain assemblies, each chain assembly comprises a chain ring, and hinged supports are fixedly arranged on the inner walls of the two sides of each chain ring. By rotating the first clamping rod and the second clamping rod, the mutually-connected chain rings are clamped on different sides of the first clamping rod and the second clamping rod, so that the two chain rings can be conveniently inserted and staggered to different positions, the length between the two chain rings can be conveniently adjusted, and the overall length can be adjusted; therefore, different objects can be locked conveniently.

Description

Technical Field

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

[0002] A chain lock is a lock composed of a chain and a padlock. It is mainly used to lock items to fixed objects. Because the length of the chain can be adjusted and the shape of the chain can be changed, it is widely used in life. The widely used chain locks use the chain connected to the lock body to buckle the locked object, and then the lock core is closed. At this time, the chain forms a loop, and the locked object is buckled in the chain loop and cannot escape, thereby achieving the locking function.

[0003] For example, a chain lock disclosed in Chinese patent application number CN201620484548.2 comprises a lock body and a chain body composed of chain links, each chain link is provided with a protective cover, the protective cover comprises an upper cover and a lower cover which cooperate with each other, the upper cover is provided with one or more upper incisions, and the lower cover is provided with one or more lower incisions; an upper annular groove is provided on the mating surface of the upper cover, and a lower annular groove is provided on the mating surface of the lower cover, the upper annular groove cooperates with the lower annular groove to form a sealed cavity for wrapping the chain link, the number of the upper incision is one, the upper incision is arranged on the central axis of the upper cover, the number of the lower incision is one, the lower incision is arranged on the central axis of the lower cover, the upper incision and the lower incision are spaced 180 degrees apart, a boss is convexly provided on the side wall of the upper annular groove of the upper cover, the lower annular groove of the lower cover is recessed with a step, the boss cooperates with the step, the upper cover and the lower cover are both made of plastic, which effectively prevents the intrusion or pollution of debris and prevents rust.

[0004] However, in actual use, the length of the above device is fixed. When locking objects of different lengths, if the device is too long, it will cause dragging, and if it is too short, it will not be able to achieve the purpose of locking, resulting in poor use effect. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a padlock type chain lock, which enables the mutually intersecting chain rings to be clamped on different sides of the first clamping rod and the second clamping rod by rotating the first clamping rod, thereby facilitating the two chain rings to be interlaced and staggered to different positions, facilitating the adjustment of the length between the two chain rings, and thus adjusting the overall length, so that the utility model can lock different objects and can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a padlock type chain lock, comprising a lock seat, wherein the rear end and one side of the lock seat are provided with connecting pieces;

[0007] A plurality of chain assemblies are interlaced between the two connecting members, so as to facilitate adjustment of different lengths of the plurality of chain assemblies and improve the locking effect;

[0008] A padlock assembly is provided between the lock seat and a connecting piece located on one side of the lock seat, and is used to lock a plurality of chain assemblies;

[0009] The chain assembly includes a chain ring, and hinge seats are fixedly provided on the inner walls on both sides of the chain ring. A first clamping rod and a second clamping rod are rotatably provided on the two hinge seats, and the first clamping rod and the second clamping rod are clamped with each other, and a plurality of the chain rings are staggeredly connected with each other.

[0010] Preferably, a limiting plate is fixedly provided on the first clamping rod and the second clamping rod, and a limiting block is fixedly provided on one side wall of the limiting plate close to the chain ring, so as to fix the positions of the first clamping rod and the second clamping rod after rotating them.

[0011] Preferably, the inner walls on both sides of the chain ring are provided with slots, the limit blocks are clamped in the slots, and the chain rings close to the two connecting parts are rotated in the connecting parts through rotating rods, so that the chain components close to the two connecting parts can be rotated at different angles.

[0012] Preferably, the padlock assembly includes a lock core, a locking cavity is defined inside the lock seat, the lock core is disposed in the locking cavity, and a keyhole is defined on the front side of the lock core to facilitate inserting a key into the keyhole to drive the lock core to rotate.

[0013] Preferably, three limiting connecting rods are fixedly provided on the rear side of the lock core, and the same annular clamping rod is fixedly provided on the rear ends of the three limiting connecting rods, so as to facilitate clamping the annular clamping rod into the clamping groove in the clamping lock column.

[0014] Preferably, a locking column is fixedly provided at one end of the connecting piece close to the lock seat, one end of the locking column passes through one side of the lock seat and is movably arranged on one side of the locking cavity, a locking groove is provided on the locking column, and the locking groove matches the annular locking rod, so as to facilitate the matching and locking of the lock core and the locking column, thereby realizing the locking of different objects by the utility model.

[0015] Compared with the prior art, the utility model provides a padlock type chain lock, which has the following beneficial effects:

[0016] By adjusting the length between the two chain rings in the two adjacent groups of chain assemblies, the first clamping rod and the second clamping rod are manually rotated to rotate around the two hinge seats respectively. The rotation of the first clamping rod and the second clamping rod drives the limit plate and the limit block to be clamped from the inner wall of the chain ring, and then the mutually intersecting chain rings are clamped on different sides of the first clamping rod and the second clamping rod, so that the two chain rings are conveniently interlaced and staggered to different positions, which is convenient for adjusting the length between the two chain rings, and thus adjusting the overall length, so that the utility model is convenient for locking different objects. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a cross-sectional view of the overall structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the structure of the padlock assembly of the utility model;

[0020] Figure 4 This is a cross-sectional view of the chain assembly structure of the utility model;

[0021] Figure 5 This is a schematic diagram of the chain assembly structure of the utility model.

[0022] In the figure: 1 lock base, 2 padlock assembly, 3 connecting piece, 4 chain assembly, 5 rotating rod;

[0023] 21 lock core, 22 limit connecting rod, 23 annular clamping rod, 24 clamping lock column, 25 clamping groove, 41 chain ring, 42 hinge seat, 43 first clamping rod, 44 second clamping rod, 45 limit plate, 46 limit block. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0025] like Figure 1-5 As shown, the utility model provides a padlock type chain lock, comprising a lock seat 1, wherein a connecting piece 3 is provided at the rear end and one side of the lock seat 1.

[0026] like Figure 1-3As shown, a padlock assembly 2 is provided between the lock seat 1 and a connecting piece 3 located on one side of the lock seat 1, which is used to lock a plurality of chain assemblies 4. The padlock assembly 2 includes a lock core 21, a locking cavity is provided inside the lock seat 1, the lock core 21 is arranged in the locking cavity, a keyhole is provided on the front side of the lock core 21, and a keyhole is provided for inserting a key into the keyhole to drive the lock core 21 to rotate. Three limiting connecting rods 22 are fixedly provided on the rear side of the lock core 21, and the rear ends of the three limiting connecting rods 22 are fixedly provided with the same annular clamping rod 23, which is convenient for clamping the annular clamping rod 23 in the clamping groove 25 in the clamping lock column 24. A clamping lock column 24 is fixedly provided at one end of the connecting piece 3 close to one side of the lock seat 1, and one end of the clamping lock column 24 passes through one side of the lock seat 1 and is movably provided on one side of the locking cavity. A clamping groove 25 is provided on the clamping lock column 24, and the clamping groove 25 matches the annular clamping rod 23, which is convenient for matching the lock core 21 and the clamping lock column 24 with each other and locking them.

[0027] By setting up the padlock assembly 2, the key matched with the utility model is inserted into the lock core 21, which drives the lock core 21 to rotate, and at the same time drives the limiting connecting rod 22 and the annular clamping rod 23 connected to the rear end of the lock core 21 to rotate, so that the annular clamping rod 23 clamped in the clamping groove 25 can be rotated to separate the clamping lock column 24 from the lock seat 1, thereby realizing the separation of the two connecting parts 3 from each other, which is convenient for the utility model to improve the locking effect.

[0028] like Figure 1 , 2 As shown in Figures 4 and 5, a plurality of chain assemblies 4 are interlaced between the two connecting members 3, so as to facilitate adjustment of different lengths of the plurality of chain assemblies 4 and improve the locking effect. The chain assembly 4 comprises a chain ring 41, and hinge seats 42 are fixedly provided on the inner walls on both sides of the chain ring 41. A first clamping rod 43 and a second clamping rod 44 are rotatably provided on the two hinge seats 42, and the first clamping rod 43 and the second clamping rod 44 are clamped with each other. The plurality of chain rings 41 are interlaced with each other, and a limit plate 45 is fixedly provided on the first clamping rod 43 and the second clamping rod 44.

[0029] The limiting plate 45 is fixedly provided with a limiting block 46 on one side wall close to the chain ring 41, so as to fix its position after the first clamping rod 43 and the second clamping rod 44 are rotated. The inner walls on both sides of the chain ring 41 are provided with grooves, and the limiting blocks 46 are clamped in the grooves. The chain ring 41 close to the two connecting parts 3 is rotated in the connecting parts 3 through the rotating rod 5, so as to facilitate the chain assembly 4 close to the two connecting parts 3 to rotate to different angles.

[0030] By setting the chain assembly 4, the staff can adjust the length between the two chain rings 41 in the two adjacent groups of chain assemblies 4 according to actual usage, and manually rotate the first clamping rod 43 and the second clamping rod 44 to rotate around the two hinge seats 42 respectively. The rotation of the first clamping rod 43 and the second clamping rod 44 drives the limit plate 45 and the limit block 46 to be clamped from the inner wall of the chain ring 41, and then the mutually intersecting chain rings 41 are clamped on different sides of the first clamping rod 43 and the second clamping rod 44, so as to facilitate the two chain rings 41 to be interlaced and staggered to different positions, and to facilitate the adjustment of the length between the two chain rings 41, so as to adjust the overall length, so as to facilitate the utility model to lock different objects.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A padlock type chain lock, comprising a lock seat (1), characterized in that: The lock seat (1) is provided with a connecting piece (3) at the rear end and one side; A plurality of chain assemblies (4) are interlaced between the two connecting members (3), so as to facilitate adjustment of the different lengths of the plurality of chain assemblies (4) and improve the locking effect; A padlock assembly (2) is provided between the lock seat (1) and a connecting piece (3) located on one side of the lock seat (1), and is used to lock a plurality of chain assemblies (4); The chain assembly (4) comprises a chain ring (41), and hinge seats (42) are fixedly provided on the inner walls of both sides of the chain ring (41), and a first clamping rod (43) and a second clamping rod (44) are rotatably provided on the two hinge seats (42), and the first clamping rod (43) and the second clamping rod (44) are mutually clamped, and a plurality of the chain rings (41) are mutually staggeredly connected.

2. A padlock type chain lock according to claim 1, characterized in that: A limiting plate (45) is fixedly provided on the first clamping rod (43) and the second clamping rod (44), and a limiting block (46) is fixedly provided on a side wall of the limiting plate (45) close to the chain ring (41).

3. A padlock type chain lock according to claim 2, characterized in that: The inner walls on both sides of the chain ring (41) are provided with slots, the limit blocks (46) are snapped into the slots, and the chain ring (41) close to the two connecting members (3) is rotated in the connecting members (3) via the rotating rod (5).

4. A padlock type chain lock according to claim 1, characterized in that: The padlock assembly (2) comprises a lock core (21), a locking cavity is provided inside the lock seat (1), the lock core (21) is arranged in the locking cavity, and a keyhole is provided on the front side of the lock core (21).

5. A padlock type chain lock according to claim 4, characterized in that: Three limit connecting rods (22) are fixedly provided on the rear side of the lock core (21), and the same annular clamping rod (23) is fixedly provided on the rear ends of the three limit connecting rods (22).

6. A padlock type chain lock according to claim 5, characterized in that: A locking column (24) is fixedly provided at one end of the connecting piece (3) close to one side of the lock seat (1), one end of the locking column (24) passes through one side of the lock seat (1) and is movably arranged on one side of the locking cavity, and a locking groove (25) is provided on the locking column (24), and the locking groove (25) matches the annular locking rod (23).

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