CN201165269Y - Dustproof apparatus of brake disc lock - Google Patents

Abstract

The utility model provides a dustproof device for a brake disc lock, comprising a brake disc body, a lock body, a lock head cover, a dustproof sheet, a button and a spring; a key, an elector, a marble, a spring and a lock tongue are arranged in the lock body; the dustproof device is characterized in that a projection is arranged on one end of the dustproof sheet and matched with the concave groove on the lateral side of the button; a concave opening is arranged on the button; one end of the button is provided with a spring; the lower end of the dustproof sheet is also provided with a spring; a key hole is arranged in the middle of the dustproof sheet; when the dustproof device is in use, the dustproof sheet is pressed to remove the projection from the button concave groove and enter the button concave opening; the key can be inserted to unlock the lock when the dustproof sheet is locked by the button concave opening; when the dustproof device is finished being used, the key is pulled out and the button is pressed; when the dustproof sheet projection is removed from the button concaving opening and enters the button concave groove; the dustproof sheet resets automatically and closes the key lock core hole under the spring effect. The dustproof device has the advantages of very simple design, very convenient, stable and reliable structure.

Description

A kind of dust keeper of brake disc lock

The utility model relates to a kind of brake disc lock, relates more specifically to a kind of dust keeper of brake disc lock.

Background technology

The bicycle brake disc lock that uses is gone up by society at present, this lock is installed on the brake hub of bicycle or battery-driven car, overhead nearer, corroded by silt, all be provided with cover of dust for this reason, specification is many, a kind of is to expose because of tapered end, prevent tapered end run into move thing and silt corrode with cover of dust one end and lock housing fixing by rotary cover one in tapered end, attachment point one side of tapered end is exposed, period of service is grown and also can be subjected to the intrusion of silt and lock and lose function; Another is made up of tapered end shell cover of dust, tapered end shell and lock body are complementary fixing, tapered end is arranged in the tapered end shell, in key operated position open hole is set, the position of open hole is provided with recess, the cover of dust that is complementary is set in recess, the upper end of cover of dust is provided with hinge with the upper end of tapered end shell and is connected, with slip-off preventing, the lower end of cover of dust and tapered end shell is provided with hand and stirs the position, tapered end shell and in the cover of dust position that is complementary, the interference point that certain force is arranged of bayonet socket is set, tapered end shell and cover of dust are fited by being full of a little to reach to close, during use, firmly stir cover of dust with hand, but often dial the pain finger, could unblank by key insertion lock core after pushing aside, when cover of dust uses certain number of times, the bayonet socket ordinary wear and tear of interference, bicycle to overtake, wind-engaging or natural wind action are opened cover of dust naturally, and the silt dust enters lock core naturally, still can not reach desirable effect.I disclose a kind of brake disc lock 200710045059.2 at design, the tapered end cover of lock body is provided with automatically reset dustproof sheet, during locking, as long as depress the dustproof sheet on the tapered end cover, lock core on the tapered end cover is communicated with dustproof film perforation, promptly open the insertion key, unblank to finish and extract key, dustproof sheet is under the effect of spring, automatically reset, the hole of dustproof sheet is intersected with the tapered end cover hole reach dust reduction capability, though this structure is than the former advanced person, but when unblanking, left hand is pressed and is pinned dustproof sheet, and the right hand takes key to insert the lock core rotation, and operation must have two hands to operate simultaneously, could realize unblanking, use still to exist open defect.

Summary of the invention

The utility model has overcome these defectives that exist in the prior art, a kind of dust keeper of brake disc lock is provided, and one-handed performance, this device is made up of brake disc body, lock body, tapered end cover, dustproof sheet, button, spring, also comprise key, lock core, pellet shot from a slingshot, spring latch in the lock body, have the lock core key open hole on the tapered end cover and, also have button hole on the tapered end cover by putting dustproof film perforation.

The utility model mainly is that the end at dustproof sheet is provided with projection, and groove is set on the button, and projection and groove are complementary, can be up and down under action of the spring, recess also is set on the button, and an end of button also is provided with spring.The utility model is owing to be provided with button, groove, recess, spring, the effect of dustproof sheet upper end projection, during use, as long as when depressing upper protruding block that dustproof sheet makes dustproof sheet and leaving push-button recess and enter the button recess, button is outwards ejected down by the effect of spring, when blocking the dustproof sheet projection, dustproof sheet is locked by the recess on the button, the key operated hole of dustproof sheet communicates with the tapered end cover lock core hole, can insert key unlocking, unblank or locking finish extract key after, press the button, when making the recess of ammonium button leave the dustproof sheet upper protruding block, cover of dust is subjected to the effect of spring, automatically resets lock core hole is closed.The utility model design is very simple, and uses very conveniently, and good dustproof effect long service life and stablize has also especially overcome in the present society defective of cover of dust on the use brake disc lock.

Description of drawings

Fig. 1 illustrates invention band dust keeper brake disc lock;

Fig. 2 dust keeper open keyhole closed condition cutaway view;

Fig. 3 dust keeper open keyhole closed condition cutaway view;

Fig. 4 dust keeper mode of operation cutaway view;

Fig. 5 dust keeper mode of operation cutaway view.

The specific embodiment

The utility model is by brake disc body 1, lock body 2, tapered end cover 3, dustproof sheet 4, button 5, spring 6, lock core 13 is formed, also comprise key, pellet shot from a slingshot, spring, dead bolt (this figure does not annotate), the lateral grooves that dustproof sheet 4 one ends are provided with on projection 7 and the button 5 is complementary, also be provided with recess 9 on the button 5, an end also is provided with spring 6 on the button 5, dustproof sheet 4 lower ends also are provided with spring 10, the centre of dustproof sheet 4 has key operated hole 11, be provided with lock core 12 in the lock body 2, depress cover of dust 4 during use, when when the projection 7 of cover of dust 4 moves down, leaving the groove 8 on the button 5, button 5 by the effect of spring 6 when outside the cover of dust upper protruding block enter in the button upper notch, can not reset locking with cover of dust 4, cover of dust 4 key operated holes 11 are communicated with lock core 12, the insertion key opens and closes, press the button 5 after being used to complete, the projection 7 that button upper notch 9 is left on the dustproof sheet 4 advances button 5 upper grooves 8, dustproof sheet 4 is automatically reset by using of spring 10, the key operated hole 11 of cover of dust 4 is left lock core 12 and is closed, the utility model is compared with the prior art, obvious improvement is arranged, not only simple in structure but also very reasonable, use also very convenient.

Claims (1)

1. One, the dust keeper of a kind of brake disc lock of the utility model is by the brake disc body, lock body, tapered end cover, dustproof sheet, spring is formed, also comprise key in the lock body, the lock core head, pellet shot from a slingshot, spring, dead bolt, have lock core on the tapered end cover, key operated hole reaches by putting dustproof film perforation, on tapered end cover, also have by putting button hole and by putting its feature of dustproof sheet in the hole by putting button, one end of dustproof sheet is provided with projection, groove is set on the button, projection and groove are complementary, button is provided with recess, button one end is provided with spring, and projection is at button spring effect knob down upper notch locking dustproof sheet when depressing dustproof sheet.

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