CN207332531U - A kind of pin shaft structure of U-shape lock - Google Patents

Abstract

The utility model discloses a kind of pin shaft structure of U-shape lock, U-shape lock includes lock body, one end of U-shape lock beam is hinged with lock body, the other end of U-shape lock beam is locked by the lock core on lock body, one end of U-shape lock beam is hinged by axis pin and lock body, U-shape lock beam is equipped with the U-shape lock beam hinge hole passed through for axis pin, axis pin is composed of the first axis pin and the second axis pin, the front end of first axis pin and the second axis pin is first quarter moon axis, first quarter moon axis is equipped with mounting hole, U-shape lock beam is equipped with U-shape lock beam mounting hole, inserted with the axis pin securing rod being hidden in lock body in the mounting hole of U-shape lock beam mounting hole and first quarter moon axis.The utility model is since axis pin securing rod is hidden in lock body, so will not easily be damaged or be pried open by violence, anti-theft performance is good, can effectively prevent by violence picking lock and skilled unlocking, simple in structure.

Description

A kind of pin shaft structure of U-shape lock

【Technical field】

It the utility model is related to a kind of pin shaft structure of U-shape lock.

【Background technology】

With people's the accelerating rhythm of life, the vehicles are also progressively developing to simple and quick direction, for masses Common wage-earners, electric bicycle and motorcycle become typical and represent, and especially electric bicycle is increasingly becoming salary rank Layer choosing selects the mainstream of the vehicles.But the antitheft problem of the thing followed is also slowly put on topic, present electric bicycle It is more expensive than ordinary bicycle, it is few then more than 1,000 yuan, at most thousands of members, if stolen, not only economically caused by damage Lose, it is also psychologically to be difficult to what is received to also have car owner to lose oneself sentient car.

It is well known that there is the lock of built-in lock direction handle on present electric bicycle and motorcycle, commonly voluntarily Car barrel band box is locked, and the U-shape lock of present very mainstream, and U-shape lock is all more firm than general lock due to being cylinder-type lock, than It is more difficult to pry open, and pounded with hammer and be also required to pound for a long time.

But existing U-shape lock, there are following defect：1st, the articulated shaft of U-shape lock beam and lock body is directly exposed to outside, hinge Spindle easily pries open damage by violence so that the anti-theft performance of U-shape lock is poor；2nd, complicated, parts are more, and assembling is inconvenient, It is of high cost.

【The content of the invention】

The purpose of the utility model is to overcome in place of the deficiencies in the prior art, there is provided a kind of U-shape lock beam is hinged with lock body Place is not easy to be pried open by violence, and anti-theft performance is good, can effectively prevent by violence picking lock and skilled unlocking, simple in structure, zero Part is few, easy to assembly, and cost is low, the pin shaft structure for convenient U-shape lock of unlocking.

What the purpose of this utility model was realized in：

A kind of pin shaft structure of U-shape lock, U-shape lock include lock body, and one end and the lock body of U-shape lock beam are hinged, U-shape lock beam it is another One end is locked by the lock core on lock body, it is characterised in that one end of U-shape lock beam is hinged by axis pin and lock body, and U-shape lock beam is equipped with The U-shape lock beam hinge hole passed through for axis pin, axis pin are composed of the first axis pin and the second axis pin, the first axis pin and the second axis pin Front end be first quarter moon axis, first quarter moon axis is equipped with mounting hole, and U-shape lock beam is equipped with U-shape lock beam mounting hole, U-shape lock beam mounting hole With in the mounting hole of first quarter moon axis inserted with the axis pin securing rod being hidden in lock body.

A kind of pin shaft structure of U-shape lock as described above, it is characterised in that U-shape lock beam mounting hole is hinged through U-shape lock beam Hole, makes U-shape lock beam mounting hole form the first U-shape lock beam mounting hole in the inner part and the second U-shape lock beam mounting hole in the outer part, leans on First U-shape lock beam mounting hole of inner side is through hole, and the second U-shape lock beam mounting hole in the outer part is counterbore.

A kind of pin shaft structure of U-shape lock as described above, it is characterised in that the outside of U-shape lock beam hinge hole is equipped with concave station, The rear end of first axis pin and the second axis pin is equipped with the axis pin cap for being caught in concave station.

A kind of pin shaft structure of U-shape lock as described above, it is characterised in that lock body is equipped with lock pin and with pendulum lock pin reset Resetting spring；Lock pin is equipped with the first card slot with lock core clip, and the second card slot with U-shape lock beam clip；Lock core includes lock Core shell, be equipped with lock core shell can in lock core shell rotating lock gall, and the torsional spring for driving lock gall to reset, lock gall and the first card slot card Tug, lock gall afterbody are equipped with recessing groove；U-shape lock beam is equipped with the U-shaped slot of the locked beam of clip lock pin.

A kind of pin shaft structure of U-shape lock as described above, it is characterised in that lock gall afterbody can coordinate clip with the first card slot, Lock gall afterbody is additionally provided with recessing groove.

A kind of pin shaft structure of U-shape lock as described above, it is characterised in that the recessing groove is half-moon groove.

A kind of pin shaft structure of U-shape lock as described above, it is characterised in that it is spacing that the lock core shell is equipped with lock core shell Groove, the lock body are equipped with the spacer pin coordinated with lock core shell limiting slot.

A kind of pin shaft structure of U-shape lock as described above, it is characterised in that second card slot and U-shaped slot of the locked beam are equal For half-moon groove.

The beneficial effects of the utility model are：

The utility model is since axis pin securing rod is hidden in lock body, so will not easily be damaged or be prized by violence Open, anti-theft performance is good, can effectively prevent that simple in structure, the lock gall of lock core has taken into account screens by violence picking lock and skilled unlocking Function, reduces amount of parts, and assembling is more convenient, and cost is low, and the central axes of lock core and the upper plane of lock body form 45 degree of folders Angle, 45 degree of unlockings during unlocking, it is convenient to unlock.

【Brief description of the drawings】

Fig. 1 is the stereogram of the utility model；

Fig. 2 is the Structure explosion diagram of the utility model；

Fig. 3 is the Structure explosion diagram of the utility model；

Fig. 4 is the Structure explosion diagram of the utility model；

Fig. 5 is the front view of the utility model；

Fig. 6 is the D-D sectional views of Fig. 5；

Fig. 7 is the E-E sectional views of Fig. 5.

【Embodiment】

The utility model is described in further detail below in conjunction with the accompanying drawings：

A kind of pin shaft structure of U-shape lock, U-shape lock include lock body 1, and one end of U-shape lock beam 2 and lock body 1 are hinged, U-shape lock beam 2 The other end locked by the lock core 3 on lock body 1, it is characterised in that one end of U-shape lock beam 2 is hinged by axis pin 4 and lock body 1, U-shaped Lock bridge 2 is equipped with the U-shape lock beam hinge hole 20 passed through for axis pin 4, and lock body 1 is equipped with the lock body hinge hole 13 passed through for axis pin 4, pin Axis 4 is composed of the first axis pin 41 and the second axis pin 42, and the front end of the first axis pin 41 and the second axis pin 42 is first quarter moon axis, and half Month axis is equipped with mounting hole 43, and U-shape lock beam 2 is equipped with U-shape lock beam mounting hole 21, and U-shape lock beam mounting hole 21 and first quarter moon axis are consolidated Determine in hole 43 inserted with the axis pin securing rod 44 being hidden in lock body 1.Since axis pin securing rod 44 is hidden in lock body 1, institute Will not easily be damaged or be pried open by violence, anti-theft performance is good.

U-shape lock beam mounting hole 21 passes through U-shape lock beam hinge hole 20, U-shape lock beam mounting hole 21 is formed the first U in the inner part Type lock bridge mounting hole 210 and the second U-shape lock beam mounting hole 211 in the outer part, the first U-shape lock beam mounting hole 210 in the inner part are Through hole, the second U-shape lock beam mounting hole 211 in the outer part is counterbore.

The outside of U-shape lock beam hinge hole 20 is equipped with concave station 201, and the rear end of the first axis pin 41 and the second axis pin 42, which is equipped with, to be caught in The axis pin cap 45 of concave station 201.

Lock body 1 is equipped with lock pin 5 and the resetting spring 6 resetted with pendulum lock pin 5；Lock pin 5 is equipped with first with 3 clip of lock core Card slot 51, and the second card slot 52 with 2 clip of U-shape lock beam；Lock core 3 includes lock core shell 31, and being equipped with lock core shell 31 can be in lock core Rotating lock gall 32 in shell 31, and the torsional spring 33 for driving lock gall 32 to reset, 32 and first card slot of lock gall, 51 clip, 32 afterbody of lock gall Equipped with recessing groove 321；U-shape lock beam 2 is equipped with the U-shaped slot of the locked beam 22 of clip lock pin 5.

32 afterbody of lock gall can coordinate clip with the first card slot 51, and 32 afterbody of lock gall is additionally provided with recessing groove 321, and recessing groove is half Month groove.

Lock core shell 31 is equipped with lock core shell limiting slot 311, and the lock body 1 is equipped with to be coordinated with lock core shell limiting slot 311 Spacer pin 11.Second card slot and U-shaped slot of the locked beam are half-moon groove.

Reinforced steel beam and girder 10 is additionally provided between 1 internal cylinder 3 of lock body and axis pin 6.

In lock-out state, lock pin 5 is stuck in the U-shaped slot of the locked beam 22 of U-shape lock beam 2 the utility model, is played and is only locked Effect, while the first card slot 51 and 32 clip of lock gall of lock core 3 of lock pin 5, can not skid off and unlock U-shape lock beam 2, spacer pin 11 It is inserted into lock core shell limiting slot 311, lock core 3 can not be deviate from.

When unlocking, lock core 3 is inserted into the utility model by correct key, rotates clockwise the 90 degree i.e. rotation of lock gall 32 90 Degree, the recessing groove 321 of 32 afterbody of lock gall decontrol the clip to the first card slot 51 of lock pin 5, lock pin 5 is resetting also with rotation Ejected under the action of spring 6, stop bit when the first card slot 51 of lock pin 5 bumps against the root of the recessing groove 321 of lock gall 32, at this time, lock Second card slot 52 of pin 5 is to the radial position to U-shape lock beam 2, unlock U-shape lock beam 2.

When U-shape lock locks again, the first card slot 51 of lock pin 5 to lock pin 5 is promoted to exit the recessing groove of lock gall 32 completely 321, the lock gall 32 of lock core 3 under effect, automatically resets and is rotated by 90 ° counterclockwise in torsional spring 33, and lock gall 32 is caught in the of lock pin 5 Two draw-in groove 52, pins lock pin 5, so that locking U-shape lock beam 2.

Claims (8)

1. a kind of pin shaft structure of U-shape lock, U-shape lock includes lock body (1), and one end of U-shape lock beam (2) and lock body (1) are hinged, U-shaped The other end of lock bridge (2) is locked by the lock core (3) on lock body (1), it is characterised in that one end of U-shape lock beam (2) passes through axis pin (4) Hinged with lock body (1), U-shape lock beam (2) is equipped with the U-shape lock beam hinge hole (20) passed through for axis pin (4), and axis pin (4) is by the first pin Axis (41) and the second axis pin (42) are composed, and the front end of the first axis pin (41) and the second axis pin (42) is first quarter moon axis, first quarter moon Axis is equipped with mounting hole (43), and U-shape lock beam (2) is equipped with U-shape lock beam mounting hole (21), U-shape lock beam mounting hole (21) and first quarter moon Inserted with the axis pin securing rod (44) being hidden in lock body (1) in the mounting hole (43) of axis.

2. the pin shaft structure of a kind of U-shape lock according to claim 1, it is characterised in that U-shape lock beam mounting hole (21) passes through U Type lock bridge hinge hole (20), makes U-shape lock beam mounting hole (21) form the first U-shape lock beam mounting hole (210) in the inner part and outer Second U-shape lock beam mounting hole (211) of side, the first U-shape lock beam mounting hole (210) in the inner part are through hole, the 2nd U in the outer part Type lock bridge mounting hole (211) is counterbore.

3. the pin shaft structure of a kind of U-shape lock according to claim 2, it is characterised in that outside U-shape lock beam hinge hole (20) Side is equipped with concave station (201), and the rear end of the first axis pin (41) and the second axis pin (42) is equipped with the axis pin cap for being caught in concave station (201) (45)。

4. the pin shaft structure of a kind of U-shape lock according to claim 1, it is characterised in that the lock body (1) is equipped with lock pin (5) and with pendulum lock pin (5) resetting spring (6) resetted；Lock pin (5) is equipped with the first card slot (51) with lock core (3) clip, and With second card slot (52) of U-shape lock beam (2) clip；Lock core (3) includes lock core shell (31), and being equipped with lock core shell (31) to lock Rotating lock gall (32) in core shell (31), and the torsional spring (33) for driving lock gall (32) to reset, lock gall (32) and the first card slot (51) Clip, lock gall (32) afterbody are equipped with recessing groove (321)；U-shape lock beam (2) is equipped with the U-shaped slot of the locked beam of clip lock pin (5) (22)。

5. the pin shaft structure of a kind of U-shape lock according to claim 4, it is characterised in that described lock gall (32) afterbody can be with First card slot (51) coordinates clip, and lock gall (32) afterbody is additionally provided with recessing groove (321).

6. the pin shaft structure of a kind of U-shape lock according to claim 5, it is characterised in that the recessing groove is half-moon groove.

7. the pin shaft structure of a kind of U-shape lock according to claim 4, it is characterised in that the lock core shell (31) is equipped with Lock core shell limiting slot (311), the lock body (1) are equipped with the spacer pin (11) coordinated with lock core shell limiting slot (311).

8. the pin shaft structure of a kind of U-shape lock according to claim 4, it is characterised in that second card slot and U-shape lock Beam card slot is half-moon groove.