Anti-theft lock catch with telescopic inner shaft

Abstract

The utility model relates to the field of connecting structures, in particular to an anti-theft lock catch with a telescopic inner shaft, which comprises a lock catch main body, the inner shaft, an elastic piece and a clamping piece, the top of the lock catch main body is provided with a containing cavity, a first opening, a first groove and a hole, the first opening is communicated with the containing cavity, and the hole is communicated with the first opening and the first groove. The elastic piece and the clamping piece are both installed in the first groove, the clamping piece wraps the outer side of the elastic piece, one end of the inner shaft penetrates through the hole to abut against the elastic piece, the inner shaft is provided with a connecting rod, the connecting rod is located on the side, close to the elastic piece, of the hole, the side face of the clamping piece is provided with a second opening, and the connecting rod is pushed along the second opening, and the inner shaft shrinks into the first groove and extrudes the elastic piece. Compared with a traditional anti-theft lock catch, the anti-theft lock catch with the telescopic inner shaft solves the problem that opening and closing are difficult, and has the advantages of being simple in structure, convenient to open and close and flexible to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of connection structures, in particular to an anti-theft lock buckle with a retractable inner shaft. Background Art

[0002] As an important safety device, anti-theft locks are widely used on suitcases, backpacks, and other containers that need to seal and protect personal belongings. With increasing travel frequency and a growing awareness of personal property security, traditional anti-theft locks are gradually exposing some shortcomings, such as complex structures, difficulty opening and closing, and lack of flexibility. Utility Model Content

[0003] To solve the problems of traditional anti-theft locks, such as complex structure, difficulty in opening and closing, and lack of flexibility.

[0004] The utility model provides an anti-theft lock with a retractable inner shaft, comprising: a lock body, an inner shaft, an elastic member and a clamping member, a top of the lock body is provided with a accommodating cavity, a first opening, a first groove and a hole, the first opening is connected to the accommodating cavity, the hole is connected to the first opening and the first groove, the elastic member and the clamping member are both installed in the first groove, the clamping member is wrapped around the outside of the elastic member, one end of the inner shaft passes through the hole and abuts against the elastic member, the inner shaft is provided with a connecting rod, the connecting rod is located on the side of the hole close to the elastic member, a second opening is provided on the side of the clamping member, the connecting rod is pushed along the second opening, the inner shaft shrinks into the first groove and squeezes the elastic member.

[0005] Preferably, a second groove and a protrusion are provided on the lock body, and the second groove and the protrusion are respectively located on both sides of the first groove. The second groove is used to install the inner shaft, one end of the elastic member abuts against the protrusion, and one end of the clamp is sleeved on the outside of the protrusion.

[0006] Preferably, a pick is provided on the outer side of the clamp.

[0007] Preferably, the inner shaft is provided with an expansion ring, and one end of the elastic member is connected to the expansion ring.

[0008] Preferably, an abutment block is provided on the top of the connecting rod, and an anti-slip groove is provided on the top of the abutment block.

[0009] Preferably, a connecting foot is provided at the bottom of the lock body, and the connecting foot includes a vertical rod and an expansion portion, and the bottom surface of the expansion portion is a plane.

[0010] Preferably, there are n connecting pins, where n is 1 to 4. When n is greater than 3, the connecting pins are arranged at equal intervals at the bottom of the lock body.

[0011] Preferably, the elastic member is a coil spring.

[0012] Preferably, the lock body, the inner shaft, the elastic member and the clamping member are all made of metal material.

[0013] The beneficial effect of the present invention is that by setting a lock body, an inner shaft, an elastic part and a clamping part, the connecting rod on the inner shaft is moved along the second opening on the clamping part, so that the inner shaft compresses the elastic part, thereby controlling the extension and retraction of the inner shaft on the lock body, and realizing the closure of the inner shaft to the first opening. Compared with the traditional anti-theft lock, the anti-theft lock with a retractable inner shaft solves the problem of difficult opening and closing, and has the effects of simple structure, convenient opening and closing, and flexible operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional diagram of an anti-theft lock buckle with a retractable inner shaft provided by the utility model.

[0015] Figure 2 This is an exploded view of an anti-theft lock buckle with a retractable inner shaft provided by the utility model.

[0016] In the figure: 1-lock body; 11-accommodating cavity; 12-first opening; 13-first groove; 14-hole; 15-second groove; 16-protrusion; 17-connecting foot; 171-vertical rod; 172-expansion part; 2-inner shaft; 21-connecting rod; 22-expansion ring; 23-abutment block; 24-anti-slip groove; 3-elastic part; 4-clamping part; 41-second opening; 42-paddle. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0018] In the description of the embodiments of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "install," "connect," "connect," and "assemble" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0019] Reference Figure 1-Figure 2, an anti-theft lock with a retractable inner shaft 2, comprising: a lock body 1, an inner shaft 2, an elastic member 3 and a clamping member 4. The top of the lock body 1 is provided with an accommodating cavity 11, a first opening 12, a first groove 13 and a hole 14. The first opening 12 is connected to the accommodating cavity 11, and the hole 14 is connected to the first opening 12 and the first groove 13. The elastic member 3 and the clamping member 4 are both installed in the first groove 13. The clamping member 4 is wrapped around the outside of the elastic member 3. One end of the inner shaft 2 passes through the hole 14 and abuts against the elastic member 3. The inner shaft 2 is provided with a connecting rod 21. The connecting rod 21 is located on the side of the hole 14 close to the elastic member 3. The side of the clamping member 4 is provided with a second opening 41. The connecting rod 21 is pushed along the second opening 41, and the inner shaft 2 retracts into the first groove 13 and squeezes the elastic member 3.

[0020] By setting the lock body 1, the inner shaft 2, the elastic part 3 and the clamping part 4, the connecting rod 21 on the inner shaft 2 is moved along the second opening 41 on the clamping part 4, so that the inner shaft 2 compresses the elastic part 3, thereby controlling the extension and retraction of the inner shaft 2 on the lock body 1, and realizing the closure of the inner shaft 2 to the first opening 12. Compared with the traditional anti-theft lock, the anti-theft lock with a retractable inner shaft 2 solves the problem of difficult opening and closing, and has the effects of simple structure, convenient opening and closing, and flexible operation.

[0021] In some embodiments, a second groove 15 and a protrusion 16 are provided on the lock body 1, and the second groove 15 and the protrusion 16 are respectively located on both sides of the first groove 13. The second groove 15 is used to install the inner shaft 2, one end of the elastic member 3 abuts against the protrusion 16, and one end of the clamping member 4 is sleeved on the outside of the protrusion 16.

[0022] The second groove 15 is used to install the inner shaft 2. Specifically, the inner shaft 2 is provided with a connecting rod 21, one end of which is located in the second groove 15. The connecting rod 21 is accommodated in the second groove 15, and the inner shaft 2 can slide in the second groove 15, thereby allowing the anti-theft lock to be opened and closed. The second groove 15 limits the rotation of the inner shaft 2. The provision of the protrusion 16 prevents the clip 4 from falling off. The clip 4 can rotate around the protrusion 16. At the same time, one end of the elastic member 3 abuts against the protrusion 16, and the clip 4 is wrapped around the outside of the elastic member 3, ensuring that the position of the elastic member 3 is fixed. The elastic member 3 provides continuous pressure to maintain the fastening force when the anti-theft lock is closed.

[0023] In some embodiments, the inner shaft 2 is provided with an expansion ring 22 , and one end of the elastic member 3 is connected to the expansion ring 22 .

[0024] On the one hand, the setting of the expansion ring 22 increases the contact area between the elastic part 3 and the inner shaft 2. When the inner shaft 2 moves to compress the elastic part 3, the force distribution of the elastic part 3 is more uniform; on the other hand, the expansion ring 22 prevents the elastic part 3 from falling off the inner shaft 2, especially when the anti-theft lock vibrates or is subjected to external impact, ensuring that the elastic part 3 plays a role in the correct position.

[0025] Preferably, a paddle 42 is provided on the outer side of the clamp 4 .

[0026] The setting of the paddle 42 allows the user to easily push the paddle 42, thereby driving the card 4 to rotate, so that the second opening 41 on the card 4 and the connecting rod 21 on the inner shaft 2 are not in the same straight line. When the card 4 rotates, the second opening 41 on the card 4 and the connecting rod 21 on the inner shaft 2 are staggered, that is, they are no longer in the same straight line. The inner shaft 2 cannot move along the second opening 41 to compress the elastic member 3, so that the inner shaft 2 remains in a state of closing the first opening 12, thereby achieving the closure of the anti-theft lock.

[0027] In some embodiments, an abutment block 23 is provided on the top of the connecting rod 21 , and an anti-slip groove 24 is provided on the top of the abutment block 23 .

[0028] The provision of the abutment block 23 increases the contact area, making it easier for the user to push the inner shaft 2; the provision of the anti-slip groove 24 increases the friction force and plays an anti-slip role.

[0029] In some embodiments, a connecting foot 17 is provided at the bottom of the lock body 1. The connecting foot 17 includes a vertical rod 171 and an expansion portion 172. The bottom surface of the expansion portion 172 is flat.

[0030] The arrangement of the connecting foot 17 enables the lock body 1 to be firmly fixed on an object such as a bag. The expansion portion 172 increases the contact area between the connecting foot 17 and the object such as a bag, further improving the stability of the connection.

[0031] In some embodiments, there are n connecting pins 17 , where n is 1 to 4. When n is greater than 3, the connecting pins 17 are arranged at equal intervals on the bottom of the lock body 1 .

[0032] Preferably, there are two connecting pins 17. Multiple connecting pins 17 increase the contact area between the lock body 1 and objects such as luggage, thereby maintaining the stability of the lock body 1. In addition, if one of the connecting pins 17 is damaged, the other connecting pins 17 will still function without affecting the connection between the lock body 1 and objects such as luggage.

[0033] In some embodiments, the elastic member 3 is a coil spring.

[0034] Coil springs can provide stable elastic force. Even after long-term repeated compression and release, coil springs are not easy to lose their elasticity and can maintain a long service life.

[0035] In some embodiments, the lock body 1 , the inner shaft 2 , the elastic member 3 and the locking member 4 are all made of metal materials.

[0036] Metal materials generally have high strength and durability, and can withstand large forces without being easily damaged. This is especially important for anti-theft locks that need to be used frequently, to ensure their long-term reliable operation.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-theft lock with a retractable inner shaft, characterized by: include: A lock body, an inner shaft, an elastic part and a clamping part. The top of the lock body is provided with a accommodating cavity, a first opening, a first groove and a hole. The first opening is connected to the accommodating cavity, and the hole is connected to the first opening and the first groove. The elastic part and the clamping part are both installed in the first groove. The clamping part is wrapped around the outside of the elastic part. One end of the inner shaft passes through the hole and abuts against the elastic part. The inner shaft is provided with a connecting rod. The connecting rod is located on the side of the hole close to the elastic part. A second opening is provided on the side of the clamping part. The connecting rod is pushed along the second opening, and the inner shaft shrinks into the first groove and squeezes the elastic part.

2. The anti-theft lock with a retractable inner shaft according to claim 1, characterized in that: The lock body is provided with a second groove and a protrusion, which are respectively located on both sides of the first groove. The second groove is used to install the inner shaft, one end of the elastic member abuts against the protrusion, and one end of the clamping member is sleeved on the outside of the protrusion.

3. The anti-theft lock with a retractable inner shaft according to claim 2, characterized in that: A pick is provided on the outer side of the clamp.

4. The anti-theft lock with a retractable inner shaft according to claim 1, characterized in that: The inner shaft is provided with an expansion ring, and one end of the elastic member is connected to the expansion ring.

5. The anti-theft lock with a retractable inner shaft according to claim 1 or 4, characterized in that: An abutment block is provided on the top of the connecting rod, and an anti-slip groove is provided on the top of the abutment block.

6. The anti-theft lock with a retractable inner shaft according to claim 1, characterized in that: A connecting foot is provided at the bottom of the lock body. The connecting foot includes a vertical rod and an expansion part. The bottom surface of the expansion part is a plane.

7. The anti-theft lock with a retractable inner shaft according to claim 6, characterized in that: There are n connecting pins, n is 1 to 4, and when n is greater than 3, the connecting pins are arranged at equal intervals on the bottom of the lock body.

8. The anti-theft lock with a retractable inner shaft according to claim 1, characterized in that: The elastic member is a coil spring.

9. The anti-theft lock with a retractable inner shaft according to claim 1, characterized in that: The lock body, inner shaft, elastic part and clamping part are all made of metal material.

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