Anti-theft U-shaped lock with novel structure

Abstract

The utility model discloses an anti-theft U-shaped lock with a novel structure, which comprises a U-shaped lock body, the U-shaped lock body comprises a U-shaped lock beam, a lock cylinder and a lock shell, the lock cylinder is sleeved in the lock shell, two ends of the U-shaped lock beam extend into the lock shell and are matched with a lock pin in the lock cylinder for locking or unlocking, a traction sheet is connected between the lock pin and an impeller in the lock cylinder, and the traction sheet is connected with the U-shaped lock beam. An unlocking key is arranged in a key hole in the impeller in the lock cylinder, at least one carborundum reinforcing plate is fixed to the lock cylinder, and the carborundum reinforcing plates and the lock cylinder are arranged in the lock shell together in a sleeved mode. A lock pin in the lock cylinder is of a cylindrical structure or a square-strip-shaped structure. The utility model has the beneficial effects that the anti-cutting device is practical and novel in structure, and the anti-cutting function is further enhanced inside by adding the carborundum reinforcing plate; the original sheet lock pin is improved into the cylindrical or strip-shaped structure, so that the thickness and the strength of the lock pin are increased, violent unlocking is effectively prevented, and the safety, the quality and the quality of the lock are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lock, in particular to a new structure's theftproof U shape lock. BACKGROUND

[0002] The prior art of the lock, such as the utility model patent with the announcement number CN 222745875 U, the name is a theftproof lock, the patent number is 202421534464.6, the design defects that its existence have: 1, the lock body because of the lock core structure inside, the outer layer is relatively thin, even if increased diamond sand coating, the ability of preventing cutting damage is still limited, the safety is affected, 2, ordinary lock is locked by the metal sheet lock pin of button driving, because the metal sheet lock pin is thin, and the contact surface with the lock beam is small, is easily destroyed by external force, and the anti-theft effect is poor, and the safety is not high. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problem that the prior art is insufficient, provides a new structure's theftproof U shape lock.

[0004] In order to realize the above-mentioned purpose, the measures that the utility model takes are:

[0005] A new structure's theftproof U shape lock, including U shape lock body, the U shape lock body includes U shape lock beam, lock core and lock shell, the lock core is sleeved in the lock shell, the both ends of U shape lock beam are inserted into the lock shell and are locked or unlocked with the lock pin in the lock core, the lock pin is connected with the traction piece between the wave wheel in the lock core, the key hole on the wave wheel in the lock core is equipped with unlocking key, at least one piece of diamond sand reinforcing plate is fixed on the lock core, and the diamond sand reinforcing plate and the lock core are sleeved in the lock shell together;

[0006] The diamond sand reinforcing plate is arranged along the length direction of the lock core, and the diamond sand reinforcing plate is welded and fixed or clamped on the lock core;

[0007] The diamond sand reinforcing plate is provided with two pieces, and the two pieces of diamond sand reinforcing plate are respectively arranged on the left and right or upper and lower sides of the lock core;

[0008] The lock pin in the lock core is in cylindrical structure or square bar structure;

[0009] The lock shell is externally sleeved with an external protective cover;

[0010] The external protective cover adopts a sectional structure;

[0011] The outer wall surface of the U shape lock beam is provided with a cutting-resistant wear-resistant coating, and the mesh number of the diamond sand of the cutting-resistant wear-resistant coating is greater than or equal to 30 mesh.

[0012] The utility model discloses a beneficial effect: practical, novel structure, through the increase of carborundum reinforcing plate, further strengthens the anti -cutting function in the inside, through the improvement of the original sheet's lock pin to the cylindrical or strip structure, the thickness and the intensity of lock pin are increased, effectively prevent the violent unlocking, improve the security, quality and quality of lock. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is external structure schematic diagram of the utility model.

[0014] Figure 2 It is exploded view schematic diagram of the utility model.

[0015] Figure 3 It is internal exploded view schematic diagram of the utility model.

[0016] Figure 4 It is lock cylinder inner traction piece mounting structure schematic diagram of the utility model. DETAILED DESCRIPTION

[0017] A novel structure's anti -theft U -shaped lock, including U -shaped lock body 1, U -shaped lock body 1 includes U -shaped lock beam 101, lock cylinder 102 and lock shell 103, lock cylinder 102 is sleeved in lock shell 103, and the both ends of U -shaped lock beam 101 are inserted into lock shell 103 and cooperate with lock pin 104 in lock cylinder 102 to lock or unlock, and the lock pin 104 is connected with the traction piece 107 between the wave wheel 108 in the lock cylinder 102, the key hole on the wave wheel 108 in the lock cylinder 102 is provided with unlocking key 2, at least one piece of carborundum reinforcing plate 3 is fixed on the lock cylinder 102, and the carborundum reinforcing plate 3 and the lock cylinder 102 are sleeved in the lock shell 103.

[0018] The structure principle of unlocking and locking in the utility model is same as the existing lock.

[0019] As Figure 1 , Figure 2 , Figure 3 And Figure 4 The utility model scheme, through increasing, carborundum reinforcing plate 3 and lock cylinder 102 are sleeved in lock shell 103 on lock cylinder 102, guarantee the product external design, and strengthen the protection effect in the inside, and the increased carborundum reinforcing plate 3 effectively plays the cutting damage prevention, improves the security of lock.

[0020] The carborundum reinforcing plate 3 is arranged along the length direction of the lock cylinder 102, and the carborundum reinforcing plate 3 is welded and fixed or clamped on the lock cylinder 102.

[0021] Preferably, the carborundum reinforcing plate 3 is provided with two pieces, and the two pieces of carborundum reinforcing plate 3 are arranged on the left and right or upper and lower sides of the lock cylinder 102.

[0022] Preferably, it can also be set to four pieces, evenly distributed on the outside of the lock cylinder 102. To improve security, effectively prevent the violent flat destruction of the lock.

[0023] The lock pin 104 in the lock cylinder 102 is a cylindrical structure or a strip-shaped structure.

[0024] As shown in Figure 3 Further, the original sheet-shaped lock pin is improved to a cylindrical structure or a strip-shaped structure, which increases the thickness of the entire lock pin 104 by more than three times the original thickness. The contact area between the entire lock pin 104 and the U-shaped lock beam 101 is larger, effectively preventing violent unlocking and further improving security. Preferably, the cylindrical structure is used for operation and unlocking, which is more smooth.

[0025] The outer shell 103 is provided with an external protective cover 109.

[0026] The external protective cover 109 adopts a segmented structure. As shown in the two-segment structure design in the accompanying Figure 2 In the segmented case, the end parts of the adjacent external protective covers 109 are seamlessly connected together.

[0027] The outer wall of the U-shaped lock beam 101 is provided with a cutting-resistant wear-resistant coating, and the mesh number of the diamond sand of the cutting-resistant wear-resistant coating is greater than or equal to 30 meshes. Further enhance the cutting resistance, good anti-theft effect.

[0028] As shown in Figure 3 The side of the diamond sand reinforced cutting-resistant plate 3 close to the lock cylinder 102 is provided with a plurality of clamping grooves or welding points, which facilitates the fixed installation connection between the lock cylinder 102.

Claims

1. A novel anti-theft U-shaped lock, comprising a U-shaped lock body (1), the U-shaped lock body (1) comprising a U-shaped lock beam (101), a lock cylinder (102) and a lock shell (103), the lock cylinder (102) being fitted inside the lock shell (103), the two ends of the U-shaped lock beam (101) extending into the lock shell (103) and engaging with the locking pin (104) inside the lock cylinder (102) to lock or unlock, a traction piece (107) connecting the locking pin (104) and the impeller (108) inside the lock cylinder (102), and a key (2) being configured in the keyhole on the impeller (108) inside the lock cylinder (102), characterized in that: The lock core (102) is fixed with at least one piece of diamond reinforced plate (3), and the diamond reinforced plate (3) and the lock core (102) are sleeved in the lock shell (103).

2. A new structure of anti-theft U-shaped lock according to claim 1, characterized in that: The diamond reinforced plate (3) is arranged along the length direction of the lock core (102), and is welded or clamped on the lock core (102).

3. A new structure of anti-theft U-shaped lock according to claim 1 or 2, characterized in that: The diamond reinforced plate (3) is provided with two pieces, and the two pieces of diamond reinforced plate (3) are arranged on the left and right or upper and lower sides of the lock core (102).

4. A new structure of anti-theft U-shaped lock according to claim 3, characterized in that: The lock pin (104) in the lock core (102) is in a cylindrical structure or a square strip structure.

5. A new structure of anti-theft U-shaped lock according to claim 4, characterized in that: The lock shell (103) is externally sleeved with an external protective cover (109).

6. A new structure of anti-theft U-shaped lock according to claim 5, characterized in that: The external protective cover (109) adopts a sectional structure.

7. A new structure of anti-theft U-shaped lock according to claim 6, characterized in that: The outer wall surface of the U-shaped lock beam (101) is provided with a cutting-resistant wear-resistant coating, and the mesh number of the diamond sand of the cutting-resistant wear-resistant coating is greater than or equal to 30 meshes.

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