CN2505370Y - Hidden lock for bicycle - Google Patents

Abstract

The utility model relates to a hidden lock for bicycle, mainly comprising a lock body, a lock core, a rotating body and a blocking body, etc.; the lock body is fixed on parts of the central shaft where the front forks of the bicycle are arranged through the frame of the bicycle; a lock core hole is arranged in the wall of the top of the lock body; a lock core which has a fixed lock core axis and a movable lock shell is positioned in the lock core hole; a reversing gear is arranged on the lock shell; the rotating body is arranged in the lock body, a boss is formed on the top end of the rotating body, a gear meshing with the reversing gear arranged on the lock shell is sheathed on the boss, a blocking slot is formed on the rotating body; a blocking hole is arranged in the wall of the lock body corresponding to the slot, the central shaft of the front forks and the frame of the bicycle are provided with a key hole and a blocking hole respectively corresponding to the lock core hole of the lock core and the blocking hole of the lock body; a blocking body is arranged on the blocking slot, right in the blocking holes of the lock body and the central shaft of the front forks. The lock has good anti-theft performance, and is easy to keep and not easy to lose.

Description

The built-in lock of bicycle

＜technical field 〉

The utility model relates to the built-in lock of bicycle.

＜background technology 〉

Usually, locks adapted for bicycle has two kinds, a kind of is the dish lock that directly is fixed on the bicycle rear place, and another kind is the random chain lock of stationary bicycle, and these two kinds of locks all are exposed to outside the car body, the burglar is very easy to commit theft by instrument destruction lock body, and afterwards a kind of chain lock is not fixed on the car body, in the use, often takes up and down from car body, both be not easy to keeping, also very easily lost.

＜summary of the invention 〉

Main purpose of the present utility model is to provide the built-in lock of bicycle, and it has good anti-theft feature, and is convenient to keeping, is difficult for losing.

Secondary objective of the present utility model is to provide the built-in lock of bicycle, commits theft further to prevent the burglar, improves anti-theft feature.

Another purpose of the present utility model is to provide the built-in lock of bicycle, automatically locks with realization, and operation is more simplified.

For reaching above-mentioned purpose, solution of the present utility model is:

The built-in lock of bicycle mainly comprises members such as lock body, core, swivel and card body; Lock body is fixed on bicycle front fork and is set in that section center shaft on the vehicle frame, offers a lock core hole on the wall on lock body top; The moving core of the motionless lock housing of lock mandrel places lock core hole, and forms reversing gear on the lock housing; A swivel is arranged in the lock body, and the swivel top forms boss, is nested with on this boss with lock housing reversing gear mating gear, also forms draw-in groove on the swivel; Corresponding draw-in groove is also offered hole clipping on the wall of lock body, and the key hole of the corresponding core of front fork center shaft and vehicle frame and the hole clipping of lock body also form key hole and hole clipping; The card body is arranged on the draw-in groove, just is in the hole clipping of lock body and front fork center shaft.

The both sides of corresponding boss form two salient points in the said gear, are provided with torsion spring between swivel and the gear, also form groove on the swivel; Respective slot is also offered through hole on the wall of lock body, and the through hole of the corresponding lock body of front fork center shaft and vehicle frame also forms button hole; Be arranged on the groove from the card spring, the top of blocking spring certainly is provided with from blocking body and button, blocks certainly in the through hole that body just is in lock body, and button just is in the button hole of front fork center shaft and vehicle frame.

Above-mentioned card body is a steel ball; Draw-in groove on the swivel is formed on the side of swivel.

Draw-in groove on the above-mentioned swivel is curved, is formed on the bottom surface of swivel; The card body is column, and the corresponding draw-in groove formation of a side of card body inserting column, and this inserting column is plugged in the draw-in groove, when swivel is rotated, can drive the card body and do radial motion.

Above-mentioned swivel is a cam, and promptly the bottom surface of swivel protrudes out a projection, and draw-in groove is formed on this projection; The card body is column, and card body below is with a spring, and card body and spring are arranged on the draw-in groove in the lump.

Above-mentioned lock body is also offered a knock hole on the wall on lock core hole opposite, the core the tip of the axis forms positioning boss, and core places lock core hole, and positioning boss is plugged in the knock hole just.

The end of corresponding rotation body forms positioning groove on the inwall of above-mentioned lock body, and a jump ring is arranged in the positioning groove, and swivel is positioned in the lock body; Or also offer two profile grooves on the wall of lock body, end cap cooperates with profile groove by two protruding grains on it and covers the end of putting at swivel, and the cooperation jump ring is positioned at swivel in the lock body.

The hypomere of above-mentioned button forms block, and button is plugged in the button hole of vehicle frame from inside to outside, by Stop structure, avoids button to drop out from the button hole of vehicle frame.

Above-mentioned vehicle frame internal fixation is provided with a cutting ferrule pipe, and correspondence has been offered key hole and the hole of bead, button hole on the cutting ferrule pipe.

Adopt said structure, the utility model compared with prior art is installed in bicycle inside because of lock body is hidden, and the burglar can't destroy lock body by instrument and commit theft under the prerequisite of not damaging frame, so, have good anti-theft feature; And, because lock body is fixedly mounted on car inside,, needn't consider the collection of lock body so only need carry key, both be convenient to keeping, also be difficult for losing.

＜description of drawings 〉

Fig. 1 is the utility model embodiment one three-dimensional exploded view;

Fig. 2 is the utility model assembled state External view (unlocking condition);

Fig. 3 is the local amplification view of the utility model embodiment one unlocking condition;

Fig. 4 is the utility model running condition External view (blocking);

Fig. 5 is the local amplification view of the utility model embodiment one blocking;

Fig. 6 is the utility model embodiment two three-dimensional exploded views;

Fig. 7 is the local amplification view of the utility model embodiment two unlocking conditions;

Fig. 8 is the local amplification view of the utility model embodiment two blockings;

Fig. 9 is the utility model embodiment three three-dimensional exploded views;

Figure 10 is the local amplification view of the utility model embodiment three unlocking conditions;

Figure 11 is the local amplification view of the utility model embodiment three blockings.

＜the specific embodiment 〉

Below in conjunction with accompanying drawing and most preferred embodiment, the utility model is further described.

At first, seeing also shown in Fig. 1-5, is embodiment one of the present utility model, and the built-in lock of the bicycle that this embodiment provides mainly comprises members such as lock body 1, core 2, swivel 3 and card body 4, wherein:

Lock body 1 is fixed on bicycle front fork by two rivets and is set in that section center shaft 9 on the vehicle frame 8.On the wall on lock body 1 top, offer a lock core hole 11, on the wall on lock body 1 lock core hole 11 opposites, offer a knock hole 12, on the wall of lock body 11 ends, offer a through hole 13, also symmetry is offered two hole clippings 14 on the wall of lock body 1, on the inwall of lock body 1 end, offer a groove 15, one jump rings 16 in addition and place this groove 15.

Lock mandrel 21 cores 2 motionless, that lock housing 22 is moved place lock core hole 11, and form reversing gear 23 on the lock housing 22, the end of lock mandrel 21 forms positioning boss 24, when core 2 places lock core hole 11, positioning boss 24 is plugged in the knock hole 12 just, the lock mandrel 21 of core 2 is positioned in the lock core hole 11 of lock body 1, and lock housing 22 can be rotated relative to lock mandrel 21.

Vehicle frame 8 internal fixation are provided with a cutting ferrule pipe 88.The key hole of front fork center shaft 9 and vehicle frame 8, cutting ferrule pipe 88 corresponding cores 2 and the hole clipping 14 of lock body 1, through hole 13 also form key hole 91,81,881 and hole clipping 92,882, button hole 93,83,883, wherein, can form hole clipping on the vehicle frame 8, also can not form hole clipping, if do not form hole clipping, then can not find the position at card body 4 places in appearance, can prevent further that the burglar from destroying card body 4 and commit theft, and do not have hole clipping on the vehicle frame 8 in the present embodiment from bicycle; When the position alignment of key hole 91, hole clipping 92, button hole 93 and key hole 81,881, hole clipping 882, button hole 83,883, the handle that is fixed on front fork center shaft 9 tops is miter angle tilt (as Fig. 4).

A swivel 3 places groove 15 and the spacing lock body 1 that is arranged on by jump ring 16.The top of swivel 3 forms a round boss 37, boss 37 bilateral symmetry are protruded and are formed two round dots 32, a gear 31 is nested with on this boss 37, the round dot 32 of corresponding boss 37 forms two salient points 311 in the gear 31, this gear 31 is meshed with lock housing 22 reversing gears 23, and core 22 driven rotary bodies 3 are rotated; Formation one is nested with the necking segment of torsion spring 34 on the swivel 3, and an end of torsion spring 34 is fixed on the swivel 3, and the other end of torsion spring 34 is fixed on gear 31.Also form two draw-in grooves 35 and a groove 36 on the side of swivel 3.

Two card bodies (steel ball) 4 are placed in the draw-in groove 35, and just are on two hole clippings 14,92 of lock body 1 and front fork center shaft 9, cooperate shown in Figure 3.

Be arranged on the groove 36 from card spring 6, the top of blocking spring 6 certainly is provided with from blocking body 61 and button 7.Just be in the through hole 13 of lock body 1 from card body 61.The hypomere of button 7 forms block 71, and button 7 is plugged in the button hole 93,883,83 of front fork center shaft 9 and cutting ferrule pipe 88, vehicle frame 8 from inside to outside, by block 71 structures, avoids button 7 to drop out from the button hole 883,83 of cutting ferrule pipe 88, vehicle frame 8.

During assembling, as Fig. 2, shown in 3, earlier cutting ferrule pipe 88 is fixed in the vehicle frame 8, make the key hole 81 on vehicle frame 8 and the cutting ferrule pipe 88,881, button hole 83,883 are in together on the circumference, core 2 is placed the lock core hole 11 of lock body 1, to have gear 31 again, the swivel 3 of torsion spring 34 places lock body 1, make the gear 31 on swivel 3 tops and reversing gear 23 engagements of lock mandrel 21 bottoms, and between swivel 3 bottoms and lock body 1 inwall, fix a jump ring 16, then, to assemble core 2, the lock body 1 of swivel 3 is fixed in the front fork center shaft 9 by rivet, make hole clipping 14 positions of the key hole of the key hole 91 of front fork center shaft 9 and hole clipping 92 and core 2 and lock body 1 corresponding, and two card bodies 4 are placed on the hole clipping 14 of draw-in groove 35 and lock body 1 and front fork center shaft 9, on 92, to block spring 6 certainly and block body 61 certainly and be placed on groove 36, in through hole 13 and the button hole 93, at last, button 7 is plugged on cutting ferrule pipe 88, the button hole 883 of vehicle frame 8, in 83, the front fork center shaft 9 of having assembled lock body 1 and card body 4 is placed in the cutting ferrule pipe 88 that is fixed in the vehicle frame 8, make the key hole 81 on vehicle frame 8 and the cutting ferrule pipe 88,881 and hole clipping 82, button hole 83,883 with the key hole of core 2 and the hole clipping 14 of lock body 1, through hole 13 is in together on the circumference, promptly finishes the combination of whole lock body.

During use, at blocking, shown in Fig. 4,5, card body 4 is in the hole clipping 14,92,882 of lock body 1 and front fork center shaft 9, cutting ferrule pipe 88, can not relatively rotate because of card body 4 locator card sleeve pipes 88 between front fork center shaft 9 and the vehicle frame 8, at this moment, the handle that is fixed on front fork center shaft 9 tops is miter angle, can make things convenient for parking of bicycle.

When desiring to unblank, as Fig. 4, shown in 5 under the state, rotate front fork center shaft 9 earlier, make vehicle frame 8, key hole 81 on the cutting ferrule pipe 88,881 and hole clipping 882, button hole 83,883 respectively with the key hole 91 and the hole clipping 92 of front fork center shaft 9, button hole 93 is aimed at, again key is passed vehicle frame 8 successively, cutting ferrule pipe 88, front fork center shaft 9, the key hole of core 2, insert in the core 2, key, drive lock housing 22 rotates thereupon, by the engagement of reversing gear 23 with gear 31, and two salient points 311 in the gear 31 cooperate with the round dot 32 of swivel 3, being transmitted in swivel 3 also rotates, the draw-in groove 35 of swivel 3 ends aligns with the hole clipping 14 of lock body 1 gradually, and card body 4 is sought the position and entered in the draw-in groove 35 of swivel 3 ends, and card body 4 only is in the hole clipping 14 of draw-in groove 35 and the lock body 1 and the front fork center shaft 9 of swivel 3, on 92, be not in the hole clipping 882 of cutting ferrule pipe 88, no any location between front fork center shaft 9 and the vehicle frame 8 and can relatively rotating is unlocking condition, as Fig. 2, shown in 3; Simultaneously, block body 61 certainly under the effect that blocks spring 6 certainly, pushed up and jump out, be in the button hole 93 of the through hole 13 of lock body 1 and front fork center shaft 9, block body 61 location certainly, so that pressing button 7 during next locking; Turn round key then, by the engagement of reversing gear 23 with gear 31, driven gear 31 revolutions, and rotate between two salient points 311 of the round dot 32 of swivel 3 in gear 31, swivel 3 no longer turns round with gear 31, and the torsion spring 34 between swivel 3 and the gear 31 tightens, stored energy, in order to next locking, extract key out, finish unlock operation.

When desiring locking again, as Fig. 2, shown in 3 under the state, direct pressing button 7, the button hole 93 of front fork center shaft 9 is stretched in the inner end of button 7, to block body 61 certainly and block spring 6 certainly to pressing down, make from the through hole 13 that blocks body 61 separating lock bodies 1, under the energy of torsion spring 34 savings, swivel 3 rotates in the opposite direction, the draw-in groove 35 of swivel 3 ends again gradually with hole clipping 14 dislocation of lock body 1, swivel 3 will block body 4 gradually and eject, and make card body 4 be in lock body 1 and front fork center shaft 9, the hole clipping 14 of cutting ferrule pipe 88,92, on 882, can not relatively rotate because of card body 4 locator card sleeve pipes 88 between front fork center shaft 9 and the vehicle frame 8, promptly be blocking, as Fig. 4, shown in 5, the handle that is fixed on front fork center shaft 9 tops is miter angle, can make things convenient for parking of bicycle.

Seeing also shown in Fig. 6-8, is embodiment two of the present utility model again, and this embodiment is two different embodiments with embodiment one.The main difference place of this embodiment and embodiment one is: the boss 37 ' on the swivel 3 ' is flat type, two salient points 311 in the gear 31 directly cooperate transmission with the both sides of boss 37 ', draw-in groove 35 ' on the swivel 3 ' is curved, having two, is to be symmetrically formed on the bottom surface of swivel 3 '; Card body 4 ' is column, and corresponding draw-in groove 35 ' the formation inserting column 41 ' of a side of card body 4 ', and this inserting column 41 ' is plugged in the draw-in groove draw-in groove 35 ', when swivel 3 ' is rotated, can drive card body 4 ' and do radial motion, debouches the hole clipping 882 on the cutting ferrule pipe 88.

This embodiment blocking as Fig. 8, is consulted shown in Figure 5ly, and card body 4 ' is in the hole clipping 14,92,882 of lock body 1 and front fork center shaft 9, cutting ferrule pipe 88, can not relatively rotate because of blocking body 4 ' locator card sleeve pipe 88 between front fork center shaft 9 and the vehicle frame 8.

When desiring to unblank, under state shown in Fig. 8,5, rotate front fork center shaft 9 earlier, make each alignment of a hole, key is inserted in the core 2 again, key, driven rotary body 3 ' are also rotated, and the draw-in groove 35 ' of swivel 3 ' bottom surface drives card body 4 ' and does radial motion, withdraw from the hole clipping 882 on cutting ferrule pipe 88, make no any location between front fork center shaft 9 and the vehicle frame 8 and can relatively rotate, be unlocking condition, shown in Fig. 7,3; Simultaneously, block body 61 certainly and eject, locate, so that pressing button 7 during next locking by blocking spring 6 certainly; Turn round key then, torsion spring 34 is tightened, stored energy in order to next locking, is extracted key out, finishes unlock operation.

When desiring locking again, under state shown in Fig. 7,3, directly pressing button 7 makes from the through hole 13 that blocks body 61 separating lock bodies 1, and swivel 3 ' is under torsion spring 34 effects, rotate in the opposite direction, the draw-in groove 35 ' of swivel 3 ' bottom surface drives card body 4 ' again and does radial motion, enters the hole clipping 882 on cutting ferrule pipe 88, makes between front fork center shaft 9 and the vehicle frame 8 can not relatively rotate because of card body 4 ' locator card sleeve pipe 88, promptly be blocking, shown in Fig. 8,5.

In addition, seeing also shown in Fig. 9-11, is embodiment three of the present utility model, and this embodiment also is different embodiments with embodiment one, two.The main difference place of this embodiment and embodiment one, two is: swivel 3 " on boss 37 " be flat type, two salient points 311 in the gear 31 directly with boss 37 " both sides cooperate transmission; swivel 3 " be cam, be swivel 3 " the bottom surface protrude out a projection 38 ", draw-in groove 35 " be formed on this projection 38 " on; Card body 4 " be column, card body 4 " below is with a spring 41 ", card body 4 " and spring 41 " be arranged on draw-in groove 35 in the lump " on; And also offer two profile grooves 18 on the wall of lock body 1, end cap 19 cooperates with profile groove 18 by two protruding grains 191 on it, covers and puts at swivel 3 " end, and cooperation places the jump ring 16 of groove 15, with swivel 3 " be positioned in the lock body 1.

This embodiment blocking, shown in Figure 11,5, between front fork center shaft 9 and the vehicle frame 8 because of card body 4 " locator card sleeve pipe 88 can not relatively rotate.

When desiring to unblank, under state shown in Figure 11,5, rotate front fork center shaft 9 earlier, make each alignment of a hole, key is inserted in the core 2 again, key, driven rotary body 3 " also rotate swivel 3 " projection 38 of bottom surface " deflection, make to be arranged on draw-in groove 35 " in card body 4 " withdraw from the hole clipping 882 on cutting ferrule pipe 88; make no any location between front fork center shaft 9 and the vehicle frame 8 and be unlocking condition, shown in Figure 10,3; Simultaneously, blocking body 61 certainly is ejected, locatees; Turn round key then, torsion spring 34 is tightened, stored energy in order to next locking, is extracted key out, finishes unlock operation.

When desiring locking again, under state shown in Figure 10,3, direct pressing button 7, make from the through hole 13 that blocks body 61 separating lock bodies 1, swivel 3 " under torsion spring 34 effect, rotate swivel 3 in the opposite direction " projection 38 of bottom surface " drive card body 4 again " enter the hole clipping 882 on cutting ferrule pipe 88, making between front fork center shaft 9 and the vehicle frame 8 because of card body 4 " location is blocking, shown in Figure 11,5.

In a word, the key of this case is: one, lock body is hidden and be installed in bicycle inside, have good anti-theft feature; And, be convenient to the collection of lock body, keeping also is difficult for losing; Two, do not have hole clipping on the vehicle frame 8, can not find card body 4,4 ', 4 in appearance from bicycle " position at place, can prevent further that the burglar from committing theft; Three, set up on lock body from blocking body 61, engages button 7 can realize automatically locking, and operation is more simplified.And the specific embodiment of this case is not limited by this paper.

Claims (10)

1, the built-in lock of bicycle is characterized in that: mainly comprise members such as lock body, core, swivel and card body; Lock body is fixed on bicycle front fork and is set in that section center shaft on the vehicle frame, offers a lock core hole on the wall on lock body top; The moving core of the motionless lock housing of lock mandrel places lock core hole, and forms reversing gear on the lock housing; A swivel is arranged in the lock body, and the swivel top forms boss, is nested with on this boss with lock housing reversing gear mating gear, also forms draw-in groove on the swivel; Corresponding draw-in groove is also offered hole clipping on the wall of lock body, and the key hole of the corresponding core of front fork center shaft and vehicle frame and the hole clipping of lock body also form key hole and hole clipping; The card body is arranged on the draw-in groove, just is in the hole clipping of lock body and front fork center shaft.

2, the built-in lock of bicycle as claimed in claim 1 is characterized in that: the both sides of corresponding boss form two salient points in the gear, are provided with torsion spring between swivel and the gear, also form groove on the swivel; Respective slot is also offered through hole on the wall of lock body, and the through hole of the corresponding lock body of front fork center shaft and vehicle frame also forms button hole; Be arranged on the groove from the card spring, the top of blocking spring certainly is provided with from blocking body and button, blocks certainly in the through hole that body just is in lock body, and button just is in the button hole of front fork center shaft and vehicle frame.

3, the built-in lock of bicycle as claimed in claim 2 is characterized in that: the card body is a steel ball; Draw-in groove on the swivel is formed on the side of swivel.

4, the built-in lock of bicycle as claimed in claim 2 is characterized in that: the draw-in groove on the swivel is curved, is formed on the bottom surface of swivel; The card body is column, and the corresponding draw-in groove formation of a side of card body inserting column, and this inserting column is plugged in the draw-in groove.

5, the built-in lock of bicycle as claimed in claim 2 is characterized in that: swivel is a cam, and promptly the bottom surface of swivel protrudes out a projection, and draw-in groove is formed on this projection; The card body is column, and card body below is with a spring, and card body and spring are arranged on the draw-in groove in the lump.

6, as the built-in lock of the described bicycle of claim 1 to 5, it is characterized in that: lock body is also offered a knock hole on the wall on lock core hole opposite, the core the tip of the axis forms positioning boss, and core places lock core hole, and positioning boss is plugged in the knock hole just.

7, as the built-in lock of claim 3 or 4 described bicycles, it is characterized in that: the end of corresponding rotation body forms positioning groove on the inwall of lock body, and a jump ring is arranged in the positioning groove.

8, the built-in lock of bicycle as claimed in claim 5, it is characterized in that: the end of corresponding rotation body forms positioning groove and two profile grooves on the inwall of lock body, end cap cooperates with profile groove by two protruding grains on it and covers the end of putting at swivel, and a jump ring is arranged in the positioning groove.

9, the built-in lock of bicycle as claimed in claim 2 is characterized in that: the hypomere of button forms block, and button is plugged in the button hole of vehicle frame from inside to outside.

10, the built-in lock of bicycle as claimed in claim 1 or 2 is characterized in that: the vehicle frame internal fixation is provided with a cutting ferrule pipe, and correspondence has been offered key hole and the hole of bead, button hole on the cutting ferrule pipe.

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