CN202483294U

CN202483294U - Annular bicycle lock

Info

Publication number: CN202483294U
Application number: CN201220078152XU
Authority: CN
Inventors: 胡芳雄
Original assignee: Yuan Wen Shing Bicycle Fitting (tc) Co Ltd
Current assignee: Yuan Wen Shing Bicycle Fitting (tc) Co Ltd
Priority date: 2012-03-05
Filing date: 2012-03-05
Publication date: 2012-10-10
Anticipated expiration: 2022-03-05

Abstract

The utility model discloses an annular bicycle lock, which includes a casing, an arc lock bar positioned in the casing and being capable of moving along the periphery where the arc is located, and a lock cylinder, wherein a return spring is arranged in the casing; an arc spacing slot with the same circle center as the lock bar is formed in the casing; a stop lever capable of moving in the spacing slot is arranged on the lock bar; a stop dog is fixed on the casing; a sinking part is arranged at one end of the lock bar, and is provided with a stop wall extending upwards from the bottom surface of the sinking part; and when the lock bar is in the unlocking position, the stop block is propped against the stop wall, and a clearance is reserved between the stop lever at one end part of the spacing slot and the end part of the spacing slot. Through adopting the technical scheme, the annular bicycle lock provided by the utility model is additionally provided with the stop dog and the stop wall that are propped when the lock bar is at the unlocking position, avoids the impact of the stop lever on the lock bar at the end part of the spacing slot, and effectively reduces damage on the spacing slot.

Description

The annular bicycle lock

Technical field

the utility model relates to a kind of lock, relates in particular to a kind of annular bicycle lock.

Background technology

bicycle lock of the prior art; It comprises housing, be positioned at the curved of said housing and the locking bar that can move along this arc place circumference, be positioned at said housing and can be with the lock core of said locking bar locking; Being provided with in the said housing that an end is fixed on the said housing that the other end is connected with an end of said locking bar and said locking bar applied makes locking bar have the back-moving spring to the unlocked position movement tendency; Offer the arc stopper slot identical on the described housing with the said locking bar center of circle; Described locking bar is provided with the pin that can in said stopper slot, move; When said locking bar was positioned at unlocked position, described pin was positioned at an end of said stopper slot and offsets with this end.

when back-moving spring pulling locking bar from latched position when unlocked position moves; Because the restoring force of back-moving spring is bigger; Pin on the locking bar can cause very big impact to the end of stopper slot; In the course of time, this end can produce wearing and tearing, can affect to the use of lock.Solution of the prior art is for after this end position of stopper slot adds housing, and with the impact resistance of this end of increase stopper slot, but this scheme technological requirement in implementation process is very high, makes difficulty, is difficult for reaching.

The utility model content

in order to address the above problem, the purpose of the utility model is to provide a kind of annular bicycle lock.

are in order to reach above purpose; The technical scheme that the utility model adopts is: annular bicycle lock; It comprises housing, be positioned at housing the curved locking bar that can move along this arc place circumference, be positioned at housing and can be with the lock core of locking bar locking; Be provided with in the housing that an end is fixed on the housing that the other end is connected with an end of locking bar and locking bar applied and make locking bar have the back-moving spring to the power of unlocked position movement tendency, offer the arc stopper slot identical with the locking bar center of circle on the housing, locking bar is provided with the pin that can in stopper slot, move; Be set with block on the housing; One end of locking bar has depressed part, this depressed part have one from its bottom surface upwardly extending retaining wall, when locking bar during at unlocked position; Block and retaining wall offset, pin an end of stopper slot and and this end between have the space.

further, block comprises the protruding retaining portion of the fixed part that is fixedly connected with housing and relative fixed portion, when locking bar during at unlocked position, retaining portion and retaining wall offset.

further, housing comprises upper shell and the lower house that is installed together mutually, stopper slot is arranged on the upper shell, block is arranged on the lower house.

preferably, lower house is provided with hook portion, and an end of back-moving spring articulates with this hook portion mutually.

more preferably, depressed part is arranged on the end that locking bar is connected with back-moving spring.

are owing to adopted technique scheme; The utility model annular bicycle lock; Increased the block and the retaining wall that when locking bar is positioned at unlocked position, offset, avoided the impact of the pin on the locking bar, effectively reduced the damage of stopper slot the stopper slot end.

Description of drawings

Accompanying drawing 1 is the structural representation of locking bar in upper shell of the utility model annular bicycle lock;

Accompanying drawing 2 is the structural representation of the locking bar of the utility model annular bicycle lock;

Accompanying drawing 3 is the structural representation of the upper shell of the utility model annular bicycle lock;

Accompanying drawing 4 is the structural representation of the lower house of the utility model annular bicycle lock;

Accompanying drawing 5 is the structural representation of device for limiting under finite-state of the utility model annular bicycle lock;

Accompanying drawing 6 is the structural representation of device for limiting under release conditions of the utility model annular bicycle lock;

Accompanying drawing 7 is the main body structure sketch map of the device for limiting of the utility model annular bicycle lock;

Accompanying drawing 8 is the structural representation of button of the device for limiting of the utility model annular bicycle lock;

accompanying drawing 9 is the structural representation of catch of the device for limiting of the utility model annular bicycle lock.

Label is among the figure:

10, locking bar; 11, depressed part; 111, retaining wall; 12, locked groove; 13, connecting rod; 14, body; 141, catch groove; 142, press keyway; 143, first pin-and-hole; 144, connecting hole; 15, button; 151, convexity; 152, second pin-and-hole; 16, catch; 161, pin; 162, first groove; 163, second groove; 164, recess;

20, back-moving spring;

30, upper shell; 31, stopper slot; 311, limit groove;

40, lower house; 41, block; 411, fixed part; 412, retaining portion; 42, hook portion.

The specific embodiment

Set forth the preferred embodiment of the utility model below in conjunction with accompanying drawing in detail ; Thereby the protection domain of the utility model is made more explicit defining so that advantage of the utility model and characteristic can be easier to it will be appreciated by those skilled in the art that.

can be found out from the structural representation of accompanying drawing 1 to accompanying drawing 9; The utility model provides annular bicycle lock; It comprises housing, be positioned at the curved of housing and the locking bar 10 that can move along this arc place circumference, be positioned at housing and can be with the lock core of locking bar 10 lockings; Being provided with in the housing that an end is fixed on the housing that the other end is connected with an end of locking bar 10 and locking bar 10 applied makes locking bar 10 have the back-moving spring 20 to the power of unlocked position movement tendency; Offer the arc stopper slot 31 identical with locking bar 10 centers of circle on the housing, offer on the stopper slot 31 and limit groove 311, this qualification groove 311 is opened in the end on a long limit of stopper slot 31; Have the connecting rod 13 that passes stopper slot 31 on the locking bar 10, be connected with the device for limiting that is positioned at outside the housing on the locking bar 10.

device for limiting comprises body 14, button 15 and catch 16.

Have the connecting rod 13 that passes stopper slot 31 on locking bar 10, body 14 is provided with the jack 144 that matches with connecting rod 13, and body 14 promptly plugs with connecting rod 13 through this jack 144.

body 14 has by the keyway 142 and first pin-and-hole 143, and button 15 has second pin-and-hole 152, and body 14 rotates through latch 18 with button 15 and is connected, and button 15 is positioned at by keyway 142 rotationally.

body 14 also has and the above-mentioned catch groove 141 that is connected by keyway 142, and catch 16 is movably located in this catch groove 141, and catch 14 has the catch 16 of the pin 161 that stretches out body 14.

button 15 has the convexity 151 that offsets with catch 16, and catch 16 has first groove 162, and protruding 151 promptly are positioned at first groove 162 and offset with the bottom surface of first groove 162.Also be provided with in the catch groove 141 and make catch 16 have spring 17 to protruding 151 direction movement tendencies; Catch 16 also has second groove 163; The end face of second groove 163 has recess 164, and the end that spring 17 promptly is positioned at second groove 163 and spring 17 is positioned at recess 164.

when device for limiting during at finite-state, pin 161 is positioned at and limits groove 311, this hour locking lever, when device for limiting during in release conditions, button 15 rotates, protruding 151 promote catch 16 moves, pin 161 with limit groove 311 and be separated.

when back-moving spring 20 pulling locking bar 10 from latched position when unlocked position moves; Because the restoring force of back-moving spring 20 is bigger; Pin 161 on the locking bar 10 can cause very big impact to the end of stopper slot 31; In the course of time, can produce wearing and tearing, these wearing and tearing can influence the use of lock.In the present embodiment, the end of 161 pairs of stopper slots 31 of pin all can impact with the qualification groove 311 that is positioned at this end and make it wearing and tearing, and these wearing and tearing can influences moving of pin 161, thereby causes the stuck or inefficacy of device for limiting.

Be set with block 41 on housing; One end of locking bar 10 has depressed part 11; This depressed part 11 have one from its bottom surface upwardly extending retaining wall 111; When locking bar 10 during at unlocked position, block 41 offsets with retaining wall 111, pin 161 an end of stopper slot 31 and and this end between have the space.

block 41 comprises the retaining portion 412 that the fixed part that is fixedly connected with housing 411 and relative fixed portion 411 are protruding, and when locking bar 10 during at unlocked position, retaining portion 412 offsets with retaining wall 111.

in the present embodiment, housing comprises the upper shell that is installed together mutually 30 and lower house 40, stopper slot 31 is arranged on the upper shell 30, block 41 is arranged on the lower house 40.

lower house 40 is provided with hook portion 42, and an end of back-moving spring 20 articulates with this hook portion 42 mutually.

depressed part 11 is arranged on the end that locking bar 10 is connected with back-moving spring 20.

Have on locking bar 10 and the lock core locked groove 12 of clamping separatably mutually.

are through being increased in the block 41 and retaining wall 111 that offsets when locking bar 10 is positioned at unlocked position; 161 pairs of stopper slots of pin 31 and the impact that limits groove 311 on the locking bar 10 have been avoided; Effectively reduce stopper slot 31 and the damage that limits groove 311, prolonged the application life of lock.

the foregoing description is only for explaining the technical conceive and the characteristics of the utility model; Its purpose is to let the personage who is familiar with this technology can understand content of the utility model and enforcement according to this, can not limit the protection domain of the utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the utility model.

Claims

1. annular bicycle lock; The lock core that it comprises housing, be positioned at the curved of said housing and the locking bar (10) that can move along this arc place circumference, be positioned at said housing and can said locking bar (10) be locked; It is characterized in that: be provided with in the said housing that an end is fixed on the said housing that the other end is connected with an end of said locking bar (10) and said locking bar (10) applied and make locking bar (10) have back-moving spring (20) to the power of unlocked position movement tendency; Offer the arc stopper slot (31) identical on the described housing with said locking bar (10) center of circle; Described locking bar (10) is provided with the pin (161) that can in said stopper slot (31), move; Be set with block (41) on the described housing; One end of described locking bar (10) has depressed part (11), this depressed part (11) have one from its bottom surface upwardly extending retaining wall (111), when described locking bar (10) during at said unlocked position; Said block (41) and retaining wall (111) offset, described pin (161) be positioned at stopper slot (31) an end and and this end between have the space.

2. annular bicycle lock according to claim 1; It is characterized in that: described block (41) comprises fixed part (411) and the protruding retaining portion (412) of said relatively fixed part (411) that is fixedly connected with said housing; When described locking bar (10) during at said unlocked position, said retaining portion (412) offsets with retaining wall (111).

3. annular bicycle lock according to claim 1 and 2; It is characterized in that: said housing comprises upper shell (30) and the lower house (40) that is installed together mutually; Described stopper slot (31) is arranged on the described upper shell (30), and described block (41) is arranged on the described lower house (40).

4. annular bicycle lock according to claim 3 is characterized in that: described lower house (40) is provided with hook portion (42), and an end of said back-moving spring (20) articulates with this hook portion (42) mutually.

5. annular bicycle lock according to claim 1 is characterized in that: described depressed part (11) is arranged on the end that locking bar (10) is connected with back-moving spring (20).

6. annular bicycle lock according to claim 1 is characterized in that: have on the described locking bar (10) and the said lock core locked groove of clamping separatably (12) mutually.