CN211448182U - High-strength folding lock - Google Patents

Abstract

The utility model relates to the technical field of folding locks, in particular to a high-strength folding lock, which comprises a lock body and a plurality of sections of strip-shaped folding pieces, wherein the strip-shaped folding pieces are sequentially hinged end to form a folding chain, one side of the folding chain is provided with a fixed end, the other side of the folding chain is provided with a locking end, the lock body comprises a lock shell matched and connected with the locking end, a dustproof pad movably arranged at the end part of the lock shell, a lock core shell arranged in the lock shell, a lock cavity arranged in the lock core shell, a lock core rotatably arranged in the lock cavity, an anti-drilling sheet arranged in the lock cavity and matched and connected with the front end of the lock core, a lock gate arranged at the end part of the lock core shell and matched and connected with the rear end of the lock core, a lock gate cap matched and sleeved with the rear end of the lock gate and a positioning lock head connected in the lock gate and matched and connected, not only strengthened the structural strength of folding lock, increased the degree of difficulty that the thief pried the lock moreover, improved the holistic theftproof performance of lock body.

Description

High-strength folding lock

Technical Field

The utility model relates to a folding lock technical field especially relates to a high strength folding lock.

Background

The folding lock is popular because of the advantages of being movable, foldable and convenient to carry. The folding lock structure generally comprises a lock head consisting of a lock cylinder, a lock gate and a lock head body, and a strip-shaped folding piece made of a plurality of sections of rigid materials, wherein the folding piece is sequentially hinged end to form a folding chain plate, one end of the folding lock is provided with a lock head containing cavity, the lock head body is fixedly arranged in the lock head containing cavity, the other end of the folding chain plate is provided with a plug matched with a lock hole on the lock head, and the plug is inserted into the lock hole and then is opened and closed through the lock gate. However, the folding lock applied to the bicycle at present is often damaged from the lock core when being stolen by a lawbreaker, and the lock object of the folding lock is easy to steal, so that the lock object loss is caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses shortcoming and weak point to the folding lock existence among the prior art provides a structure firm, increase the degree of difficulty that the thief pried the lock, has improved the holistic high strength folding lock of theftproof performance of lock body.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

the utility model provides a high strength folding lock, includes the lock head body and a plurality of sections strip folded pieces of being connected with the lock head body cooperation, strip folded piece end to end articulates in proper order and connects and forms folding chain, folding chain one side is equipped with the stiff end of being connected with lock head body one end, folding chain opposite side is equipped with the mortise lock end that the lock head body other end is connected, the lock head body includes the lock shell of being connected with the mortise lock end cooperation, the activity sets up at the dustproof pad of lock shell tip, sets up lock core shell in the lock shell, sets up the lock chamber in the lock core shell, rotationally sets up the lock core in the lock chamber, sets up the lock chamber and prevent the piece of boring that is connected with the lock core front end cooperation, sets up at lock core shell tip and the lock floodgate of being connected with lock core rear end cooperation, the lock floodgate cap that cup joints with lock gate rear end cooperation and connect in the lock gate and with the.

Preferably, the method comprises the following steps: still include and can dismantle the fixed lock frame of being connected with the cooperation of folding chain outer wall, fixed lock frame includes the lock frame body, divide the locating plate of establishing on the lock frame body, set up mounting hole on the locating plate, set up at the control chamber of lock frame body upper end, can be at the flexible gliding control strip of control intracavity, set up at the fixture block of control strip tail end and the spring part of being connected with fixture block cooperation conflict, the tail end of spring part is contradicted the setting with the cooperation at the bottom of the control chamber.

Preferably, the method comprises the following steps: the outer side of the mortise lock end is also provided with a mortise lock part which can be matched with the dustproof pad to move relatively, and the inner surface of the mortise lock part is provided with a limiting convex strip.

Preferably, the method comprises the following steps: be provided with at least one spacing arch of contradicting the setting with spacing sand grip cooperation on the inboard of dustproof pad, the both sides branch of dustproof pad is equipped with the location strip of embedding to mortise lock portion.

The utility model discloses beneficial effect: the utility model has the advantages of reasonable design, can be when lawless persons destroys the lock core through the anti-drilling piece that sets up at the lock core front end, effectively protect the lock core of lock intracavity, set up the lock core in the lock core shell simultaneously, the effectual structural strength who strengthens the folding lock of being connected of lock core shell cooperation lock floodgate has increased the degree of difficulty that the thief prized the lock moreover, has improved the holistic theftproof performance of lock body.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded schematic view of the present invention.

Fig. 3 is a partial enlarged view at P in fig. 2.

Fig. 4 is a schematic structural view of the fixing lock frame of the present invention.

Fig. 5 is a schematic view of the structure of the dustproof pad of the present invention.

Reference numerals: 1. a lock head body; 2. folding the chain; 3. fixing a lock frame; 10. a lock case; 11. a dust-proof pad; 12. a lock cylinder housing; 13. a lock cavity; 14. a lock cylinder; 15. an anti-drilling sheet; 16. locking a brake; 17. locking a brake cap; 18. positioning a lock head; 20. a fixed end; 21. a latch end; 22. a chute; 23. a latch portion; 24. limiting convex strips; 30. a lock frame body; 31. positioning a plate; 32. mounting holes; 33. a control chamber; 34. a control bar; 35. a clamping block; 36. a spring member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1 to 5, a high strength folding lock, include the lock head body 1 and cooperate a plurality of sections strip folding pieces of being connected with the lock head body 1, strip folding piece end to end articulates in proper order and connects and forms folding chain 2, 2 one side of folding chain is equipped with stiff end 20 of being connected with lock head body 1 one end, 2 opposite sides of folding chain are equipped with the mortise lock end 21 that the lock head body 1 other end is connected, lock case 10, the activity that lock case 1 is connected with the mortise lock end 21 cooperation sets up at the dust pad 11 of lock case 10 tip, sets up lock core shell 12 in lock case 10, sets up lock chamber 13 in lock core shell 12, rotationally sets up lock core 14 in lock chamber 13, set up in lock chamber 13 and with the cooperation of lock core 14 front end be connected prevent boring piece 15, set up at lock core shell 12 tip and with lock brake 14 rear end cooperation connection's lock floodgate 16, with lock floodgate 16 rear end complex lock nut 17 and connect in lock gate 16 and with the location that the cooperation is connected with the lock floodgate 20 A lock head 18; preferably, the lock cylinder 14 is a blade lock cylinder, and the folding piece is made of a high-strength steel plate strip; the fixed end 20 of the folding chain 2 is connected with the lock shell 10 in a positioning mode, and meanwhile the latch end 21 is convenient for unlocking the folding lock, so that the using rationality of the folding lock is guaranteed; the dustproof pad 11 can effectively prevent dust from entering the lock cavity 13, so that the lock core 14 is protected to a certain extent, and the service life of the folding lock is prolonged; the anti-drilling piece 15 arranged at the front end of the lock cylinder 14 can effectively protect the lock cylinder 14 in the lock cavity 13 when a lawless person destroys the lock cylinder 14, meanwhile, the lock cylinder 14 is arranged in the lock cylinder shell 12, the lock cylinder shell 12 is matched with the lock brake 16 to be connected, the structural strength of the folding lock is effectively enhanced, the difficulty of a thief in picking the lock is increased, and the integral anti-theft performance of the lock body is improved; the external diameter of lock floodgate cap 17 is thicker, and the external diameter sets up between 6mm to 9mm, simultaneously under folding lock locking state, lock floodgate 16 when with lock floodgate cap 17 structure complex, lock core 14 links together with lock floodgate 16, can strengthen lock core 14's stability, when lawless persons will pry open the folding lock, because the structural constraint of lock floodgate 16 itself for the lock body is hardly pried open.

In the embodiment, the foldable bicycle lock further comprises a fixed lock frame 3 which is matched with the outer wall of the foldable chain 2 and detachably connected with the outer wall of the foldable chain, wherein the fixed lock frame 3 comprises a lock frame body 30, a positioning plate 31 which is arranged on the lock frame body 30, a mounting hole 32 which is arranged on the positioning plate 31, a control cavity 33 which is arranged at the upper end of the lock frame body 30, a control bar 34 which can slide in the control cavity 33 in an extending and contracting manner, a clamping block 35 which is arranged at the tail end of the control bar 34 and a spring piece 36 which is matched and abutted with the clamping block 35, wherein the tail end of the spring piece 36 is matched and abutted with the bottom of the cavity of the control cavity 33, the fixed lock frame 3 is conveniently connected with a bicycle or a lock when the foldable lock is positioned, the mounting hole 32 which is arranged on the positioning plate 31 is conveniently connected with the lock through a bolt; when the folding lock is placed in the lock frame body 30 for normal use, the spring piece 36 is pressed under the action of the weight of the folding lock, and the spring piece 36 automatically resets after the folding lock is placed in; when the positioning needs to be released, the control bar 34 is pressed, so that the compression spring piece 36 is compressed, meanwhile, the fixture block 35 is separated from the chute 22, so that the lock frame body 30 is separated from the positioning connection with the folding lock, and the folding lock can be separated from the limitation of the lock frame body 30.

In this embodiment, be provided with the spout 22 that sets up with the cooperation of fixture block 35 on the mortise lock end 21, the outside of mortise lock end 21 still is equipped with the mortise lock portion 23 that can cooperate dustproof pad 11 relative motion, be provided with spacing sand grip 24 on the internal surface of mortise lock portion 23, spout 22 on the mortise lock end 21 is convenient when fixing folding chain 2, in time cooperates the spacing action of joint of fixture block 35, improves the stability that fixed lock frame 3 and folding chain 2 are connected.

In this embodiment, be provided with at least one spacing arch of contradicting the setting with spacing sand grip 24 cooperation on the inboard of dustproof pad 11, the both sides of dustproof pad 11 are equipped with the location strip of embedding to mortise lock portion 23 in separately, and is preferred will spacing arch is provided with two of parallel, need open dustproof pad 11 when the unblock, as long as the location strip through dustproof pad 11 both sides promotes along the outside of mortise lock portion 23 outer end, and it is spacing to utilize spacing arch and the spacing cooperation on the dustproof pad 11 simultaneously, realizes the location state of opening, improves the performance of folding lock.

The utility model discloses a prevent that drilling 15 piece that sets up at 14 front ends of lock core can effectively protect lock core 14 in the lock chamber 13 when lawless persons destroys lock core 14, sets up lock core 14 in lock core shell 12 simultaneously, the coaxial coupling of lock core shell 12 cooperation lock floodgate 16 and lock floodgate cap 17 has effectually strengthened the structural strength of folding lock, has increased the degree of difficulty that the thief prized the lock moreover, has improved the holistic theftproof performance of lock body.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims (4)

1. The utility model provides a high strength folding lock, includes the lock head body and a plurality of sections strip folded pieces of being connected with the lock head body cooperation, strip folded piece end to end articulates in proper order and connects and forms folding chain, folding chain one side is equipped with the stiff end of being connected with the lock head body one end, folding chain opposite side is equipped with the mortise lock end that the lock head body other end is connected, its characterized in that: the lock head body includes the lock shell of being connected with mortise lock end cooperation, the activity sets up the dustproof pad at lock shell tip, set up the lock core shell in the lock shell, set up the lock chamber in the lock core shell, rotationally set up the lock core in the lock chamber, set up the lock intracavity and prevent boring the piece with lock core front end cooperation is connected, set up at lock core shell tip and with lock core rear end cooperation lock floodgate of being connected, with the lock floodgate rear end cooperation lock floodgate cap that cup joints and connect in the lock floodgate and with the location tapered end cooperation of stiff end connection.

2. A high strength fold lock according to claim 1, wherein: still include and can dismantle the fixed lock frame of being connected with the cooperation of folding chain outer wall, fixed lock frame includes the lock frame body, divide the locating plate of establishing on the lock frame body, set up mounting hole on the locating plate, set up at the control chamber of lock frame body upper end, can be at the flexible gliding control strip of control intracavity, set up at the fixture block of control strip tail end and the spring part of being connected with fixture block cooperation conflict, the tail end of spring part is contradicted the setting with the cooperation at the bottom of the control chamber.

3. A high strength fold lock according to claim 2, wherein: the outer side of the mortise lock end is also provided with a mortise lock part which can be matched with the dustproof pad to move relatively, and the inner surface of the mortise lock part is provided with a limiting convex strip.

4. A high strength fold lock according to claim 2, wherein: be provided with at least one spacing arch of contradicting the setting with spacing sand grip cooperation on the inboard of dustproof pad, the both sides branch of dustproof pad is equipped with the location strip of embedding to mortise lock portion.

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