A telescopic U-lock

Abstract

The present invention discloses a telescopic U-shaped lock, comprising: a lock sleeve, a U-shaped lock rod that can be inserted into the lock sleeve, and a lock body provided on the lock sleeve. One side of the U-shaped lock rod facing the lock body is configured as a mating portion. The mating portion is provided with a plurality of lock grooves and guiding sections located between adjacent two lock grooves. The side surface of the lock groove facing the lock sleeve is configured as an operating surface. The lock body includes a lock housing and a lock bolt disposed in the lock housing and movable closer to or away from the U-shaped lock rod. A lock post that can be rotatably reset and can be engaged in the lock groove to lock the U-shaped lock rod is disposed on the lock bolt. The lock post is provided with a mating surface that cooperates with the operating surface. The structure of the present invention is reasonably designed. By providing the lock groove with an operating surface and the lock post with a mating surface, the movement adjustment and locking of the U-shaped lock rod can be achieved to adapt to different locking scenarios and meet different locked objects.

Description

Technical Field

[0001] The present invention relates to the technical field of locks, and more specifically, to a telescopic U-shaped lock. Background Art

[0002] Existing U-shaped locks usually consist of a U-shaped lock ring and a lock body block sleeved on the U-shaped lock ring. The existing U-shaped locks have the following defects: after the lock body block is locked with the U-shaped lock ring, the position of the lock body block on the U-shaped lock ring cannot be adjusted by moving the lock body block, and it can only be separated from the U-shaped lock ring by inserting a key to unlock. Summary of the Invention

[0003] The present invention overcomes the deficiencies of the prior art and provides a telescopic U-shaped lock. By setting a lock groove with an operating surface and a lock post with a mating surface, the movement adjustment and locking of the U-shaped lock rod are realized to adapt to different locking scenarios and meet different locked parts.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A telescopic U-shaped lock includes: a lock sleeve, a U-shaped lock rod that can be inserted into the lock sleeve, and a lock body provided on the lock sleeve. One side of the U-shaped lock rod facing the lock body is configured as a mating part. A plurality of lock grooves and a guiding section located between adjacent two lock grooves are provided on the mating part. The side surface of the lock groove facing the lock sleeve is configured as an operating surface. The lock body includes a lock shell and a lock bolt that is arranged in the lock shell and can move closer to or away from the U-shaped lock rod. A lock post that can be rotatably reset and can be clamped in the lock groove to lock the U-shaped lock rod is provided on the lock bolt. A mating surface that cooperates with the operating surface is provided on the lock post. When the U-shaped lock rod is operated to move towards the lock sleeve, the operating surface in the lock groove presses against the mating surface and causes the lock post to rotate, and the guiding section moves relative to the mating surface until the lock post is clamped in another lock groove.

[0006] Preferably, the operating surface is an inclined surface, the lock post is a semi-cylindrical body, and the mating surface is a flat straight surface.

[0007] Preferably, a limiting groove is provided on the lock post, and a limiting pin located in the limiting groove is provided on the lock bolt. When the limiting pin is located at one end of the limiting groove, the mating surface is opposite to the operating surface; when the limiting pin is located at a non-end position of the limiting groove or at the other end of the limiting groove, the mating surface is opposite to the guiding section.

[0008] Preferably, the limiting groove is configured as an arc-shaped limiting groove, and the included angle between the two ends of the limiting groove and the center of the circle is 0 - 180 degrees.

[0009] Preferably, the included angle between the two ends of the limiting groove and the center of the circle is 90 degrees.

[0010] Preferably, a torsion spring is provided on the lock post. One end of the torsion spring is connected to the lock post, and the other end is connected to the lock bolt.

[0011] Preferably, a lock core is rotatably provided in the lock housing. The lock core is connected with an eccentric shaft. By rotating the lock core, the eccentric shaft drives the lock bolt to move closer to or away from the U-shaped lock rod to lock or unlock the U-shaped lock rod. A spring for resetting the lock bolt is provided between the lock bolt and the lock housing.

[0012] Preferably, a closed sleeve is provided at the end of the lock sleeve. The lock sleeve is configured in a U shape adapted to the U-shaped lock rod, and an opening is provided at a position corresponding to the lock post on the lock sleeve.

[0013] Preferably, the lock housing has a socket portion sleeved on the lock sleeve.

[0014] Advantages of the present invention:

[0015] The present invention has a reasonable structural design. By providing a lock groove with an operating surface and a lock post with a mating surface, the movement adjustment and locking of the U-shaped lock rod are realized to adapt to different locking scenarios and meet different locked parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of a specific embodiment of the present invention;

[0017] Figure 2 is a sectional view of a specific embodiment of the present invention;

[0018] Figure 3 is Figure 2 an enlarged view of part A in

[0019] Figure 4 is a schematic structural diagram of a specific embodiment of the present invention reflecting the U-shaped lock rod;

[0020] Figure 5 is Figure 4 an enlarged view of part B in

[0021] Figure 6 is a schematic structural diagram of a specific embodiment of the present invention reflecting the lock sleeve;

[0022] Figure 7 is a schematic structural diagram of a specific embodiment of the present invention reflecting the lock housing;

[0023] Figure 8 is a schematic connection structure diagram of a specific embodiment of the present invention reflecting the lock core and the lock bolt;

[0024] Figure 9 is a schematic structural diagram of a specific embodiment of the present invention reflecting the lock bolt;

[0025] Figure 10 is a schematic structural diagram of a specific embodiment of the present invention reflecting the lock post Figure 1 ;

[0026] Figure 11 Structural schematic diagram of the lock post reflected in the specific embodiment of the present invention Figure 2 。

[0027] In the figure: 1, lock sleeve; 11, closed sleeve; 12, opening; 2, U-shaped lock rod; 21, mating part; 22, lock groove; 221, operating surface; 23, guiding section; 3, lock body; 31, lock housing; 32, lock brake; 321, limit pin; 33, lock post; 331, mating surface; 332, limit groove; 333, torsion spring; 34, lock core; 341, eccentric shaft; 35, spring; 36, socket part. Embodiment

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0029] Such as Figure 1 - 11As shown in the figure, a telescopic U-shaped lock includes a lock sleeve 1, a U-shaped lock rod 2 that can be inserted into the lock sleeve 1, and a lock body 3 provided on the lock sleeve 1. One side of the U-shaped lock rod 2 facing the lock body 3 is configured as a mating portion 21. A plurality of lock grooves 22 and guiding sections 23 located between two adjacent lock grooves 22 are provided on the mating portion 21. The side surface of the lock groove 22 facing the lock sleeve 1 is configured as an operating surface 221. The lock body 3 includes a lock shell 31 and a lock bolt 32 provided inside the lock shell 31 and movable closer to or away from the U-shaped lock rod 2. A lock post 33 that can be rotatably reset and can be clamped in the lock groove 22 to lock the U-shaped lock rod 2 is provided on the lock bolt 32. A mating surface 331 that cooperates with the operating surface 221 is provided on the lock post 33. When the U-shaped lock rod 2 is operated to move towards the lock sleeve 1, the operating surface 221 in the lock groove 22 presses against the mating surface 331 and causes the lock post 33 to rotate, and the guiding section 23 moves relative to the mating surface 331 until the lock post 33 is clamped in another lock groove 22. The operating surface 221 is an inclined surface, the lock post 33 is a semi-cylindrical body, and the mating surface 331 is a flat straight surface. A limiting groove 332 is provided on the lock post 33, and a limiting pin 321 located in the limiting groove 332 is provided on the lock bolt 32. When the limiting pin 321 is located at one end of the limiting groove 332, the mating surface 331 faces the operating surface 221. When the limiting pin 321 is located at a non-end position of the limiting groove 332 or at the other end of the limiting groove 332, the mating surface 331 faces the guiding section 23. The limiting groove 332 is configured as an arc-shaped limiting groove 332, and the included angle between the two ends of the limiting groove 332 and the center of the circle is 0-180 degrees. Specifically, the included angle between the two ends of the limiting groove 332 and the center of the circle is 90 degrees. A torsion spring 333 is provided on the lock post 33. One end of the torsion spring 333 is connected to the lock post 33, and the other end is connected to the lock bolt 32. A lock core 34 is rotatably provided inside the lock shell 31. The lock core 34 is connected with an eccentric shaft 341. By rotating the lock core 34, the eccentric shaft 341 drives the lock bolt 32 to move closer to or away from the U-shaped lock rod 2 to lock or unlock the U-shaped lock rod 2. A spring 35 for resetting the lock bolt 32 is provided between the lock bolt 32 and the lock shell 31. A sealing sleeve 11 is provided at the end of the lock sleeve 1. The lock sleeve 1 is configured in a U shape adapted to the U-shaped lock rod 2. An opening 12 is provided on the lock sleeve 1 corresponding to the position of the lock post 33. The lock shell 31 has a socket portion 36 sleeved on the lock sleeve 1.

[0030] By adopting the above technical solution, in the present invention, the locking post 33 is snap-fitted in the locking groove 22 to lock the U-shaped locking rod 2. When unlocking, by inserting the key into the lock core 34 and rotating the lock core 34, the eccentric shaft 341 drives the lock gate 32 to move away from the U-shaped locking rod 2, so that the locking post 33 disengages from the locking groove 22, thus completing the unlocking. Among them, the eccentric shaft 341 is located in the slot hole on the lock gate 32 to achieve the linkage cooperation with the lock gate 32. And the setting of the spring 35 can provide a resetting force for the lock gate 32. The main innovation point of the present invention is that after the U-shaped locking rod 2 is locked, the U-shaped locking rod 2 can still be moved, and after the movement, the U-shaped locking rod 2 can still be locked. Specifically, the U-shaped locking rod 2 can move towards the lock sleeve 1. The principle is as follows: the locking groove 22 has an inclined operating surface 221, and the locking post 33 is provided with a matching surface 331 adapted thereto. When the U-shaped locking rod 2 is operated to move towards the lock sleeve 1, the operating surface 221 will press against the matching surface 331, prompting the locking post 33 to rotate, so that the guiding section 23 moves relative to the matching surface 331 until the locking post 33 is located in the next locking groove 22, completing the locking of the U-shaped locking rod 2. Among them, the rotation limit of the locking post 33 is achieved by setting the limit groove 332 and the limit pin 321, and the locking post 33 is kept at a certain initial position, that is, when the locking post 33 is in the initial position, the matching surface 331 is opposite to the operating surface 221, and the locking rod is located at one end of the limit groove 332, so that the U-shaped locking rod 2 cannot move away from the lock sleeve 1 when it is locked. And the torsion spring 333 is provided to play a role in resetting the locking post 33. And the setting of the closed sleeve 11 on the lock sleeve 1 makes the lock sleeve 1 in a U shape adapted to the U-shaped locking rod 2, so that when the U-shaped locking rod 2 moves in the lock sleeve 1, the U-shaped locking rod 2 will not be exposed, and the use safety is better and it is also more beautiful.

[0031] As described above, the above is only the preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A telescopic U-shaped lock, characterized in that, Comprising: A lock sleeve (1), a U-shaped lock rod (2) insertable into the lock sleeve (1), and a lock body (3) provided on the lock sleeve (1). One side of the U-shaped lock rod (2) facing the lock body (3) is configured as a mating portion (21). A plurality of lock grooves (22) and guiding segments (23) located between adjacent two lock grooves (22) are provided on the mating portion (21). The side surface of the lock groove (22) facing the lock sleeve (1) is configured as an operating surface (221). The lock body (3) includes a lock housing (31) and a lock bolt (32) disposed within the lock housing (31) and movable closer to or away from the U-shaped lock rod (2). A lock post (33) that can be rotatably reset and can be engaged in the lock groove (22) to lock the U-shaped lock rod (2) is provided on the lock bolt (32). A mating surface (331) that cooperates with the operating surface (221) is provided on the lock post (33). When the U-shaped lock rod (2) is operated to move towards the lock sleeve (1), the operating surface (221) in the lock groove (22) presses against the mating surface (331) and causes the lock post (33) to rotate, and the guiding segment (23) moves relative to the mating surface (331) until the lock post (33) is engaged in another lock groove (22); the operating surface (221) is an inclined surface, the lock post (33) is a semi-cylindrical body, and the mating surface (331) is a flat straight surface; a limiting groove (332) is provided on the lock post (33), and a limiting pin (321) located in the limiting groove (332) is provided on the lock bolt (32). When the limiting pin (321) is located at one end of the limiting groove (332), the mating surface (331) faces the operating surface (221); when the limiting pin (321) is located at a non-end position of the limiting groove (332) or at the other end of the limiting groove (332), the mating surface (331) faces the guiding segment (23); a lock core (34) is rotatably provided within the lock housing (31), the lock core (34) is connected with an eccentric shaft (341), by rotating the lock core (34), the eccentric shaft (341) drives the lock bolt (32) to move closer to or away from the U-shaped lock rod (2) to lock or unlock the U-shaped lock rod (2), and a spring (35) for resetting the lock bolt (32) is provided between the lock bolt (32) and the lock housing (31).

2. The telescopic U-shaped lock according to claim 1, characterized in that, The limiting groove (332) is configured as an arc-shaped limiting groove (332), and the included angle between the two ends of the limiting groove (332) and the center of the circle is 0 - 180 degrees.

3. The telescopic U-shaped lock according to claim 2, characterized in that, The included angle between the two ends of the limiting groove (332) and the center of the circle is 90 degrees.

4. The telescopic U-shaped lock according to claim 1, wherein A torsion spring (333) is provided on the lock post (33), one end of the torsion spring (333) is connected to the lock post (33), and the other end is connected to the lock bolt (32).

5. A telescopic U-shaped lock according to claim 1, characterized in that, A closing sleeve (11) is provided at the end of the lock sleeve (1), the lock sleeve (1) is configured as a U shape adapted to the U-shaped lock rod (2), and an opening (12) is provided at the position corresponding to the lock post (33) on the lock sleeve (1).

6. A telescopic U-shaped lock according to claim 1 or 5, characterized in that, The lock housing (31) has a socket portion (36) sleeved on the lock sleeve (1).

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