CN2599178Y

CN2599178Y - Wheel disc cipher type theft-proof lock for bicycle

Info

Publication number: CN2599178Y
Application number: CNU032365373U
Authority: CN
Inventors: 苗风森
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-01-24
Filing date: 2003-01-24
Publication date: 2004-01-14
Anticipated expiration: 2013-01-24

Abstract

The utility model discloses a wheel disc cipher type theft-proof lock for bicycle which comprises a lock box casing, a U-shaped locking rod, a lock core of dual-lock-tongue and a code lock device, wherein a four-fold locking machinery is provided by the matching of the dual lock-tongue in the lock core and the chuck in the code lock device and the block pin in the U-shaped lock rod, thereby greatly improving the difficulty for thefts unlocking the lock. Moreover, the lock can be fixed on the rear frame; the distance from the U-shaped lock rod to the rear wheel disc is very short, even the wire cutter special for cutting steel wire and steel bar can not be inserted, a hacksaw can not be inserted either, even though a pry roller can be inserted, the lock rod can not be curved because of no force point, therefore the theft-proof capability of the theft-proof lock is very reliable.

Description

A kind of wheel disc combination type anti-theft lock for motorcycle

Technical field

The utility model provides a kind of anti-theft lock for motorcycle, especially a kind of wheel disc combination type anti-theft lock for motorcycle that is applicable on the square vehicle frame that is seated in vehicle frame behind the motorcycle.

Background technology

Anti-theft lock for motorcycle of the prior art has iron chains formula lock, rod lock etc. multi-form, and these locksets have the following defective: the lock solid structure of existing lock is single, as long as have some experiences of unblanking and use such as general-purpose key etc. just lock solid structure can be opened.Have, the parts of fixing vehicle wheel are thiner in the existing lock, and longer again, as chain, locking bar, use steel wire scissors or hacksaw just can be easily the parts of fixing vehicle wheel to be destroyed.Like this, just make and steal Chefei Chang Rongyi, thereby, to lose the car case and take place repeatedly, the life of stabilizing to people brings bad influence.

Summary of the invention

The purpose of this utility model is to improve deficiency of the prior art, provides a kind of parts with multiple lock solid structure and fixing vehicle wheel to be difficult for ruined wheel disc combination type anti-theft lock for motorcycle.

The purpose of this utility model is achieved in that

The theftproof lock that the utility model provides comprises lock case shell, the U-shape lock bar, lock core, bayonet lock, chuck and combination disk bar, described U-shape lock bar props up locking bar by two direct rod shapes that are parallel to each other and forms with the lock crossbeam that is connected this locking bar one end, on two relative on described lock case shell sidewalls, be provided with four pairs of holes in twos accordingly, wear two locking bars of described U-shape lock bar in two pairs of through holes on the wherein same horizontal plane, make two locking bars on the described U-shape lock bar can be in the through hole of lock case shell slide displacement, make two locking bars stretch out lock case shell long one section so that the fixing wheel of motorcycle---locking and to one section of lock case shell retraction to remove fixing---to wheel unblank, the interior side lever wall upper edge of described locking bar is axially arranged with chute, in chute, be provided with the hole near lock crossbeam one end, this hole can be the through hole that runs through, it also can be blind hole, on the direction vertical of described locking bar, be provided with a pin through hole with described chute, the setting that interlaces of this pin through hole and described chute, in this pin through hole, plug described bayonet lock, one end of this bayonet lock is provided with bending segment, wear back-moving spring on it, one end of this spring is resisted against the bending segment root of this bayonet lock, the other end is fixed on the inwall of lock case shell, the other end of described bayonet lock stretches out on locking bar outside this through hole and extends one section, the also displacement thereupon when described U-shape lock bar slide displacement time of this bayonet lock; On the inwall of described lock case shell, set firmly a lock core, be provided with key channel in this lock core, on the direction vertical, be provided with the dead bolt passage with key channel, be provided with two dead bolts therein, these two dead bolts can stretch out in the dead bolt passage under the driving of key and withdrawal resets, be provided with reseting spring device on two dead bolts, the reset position of this spring is to make dead bolt locking be inserted into position in the hole in the described chute, and dead bolt to slide on chute be to be in the compressed state of spring.When the U-shape lock bar is positioned at locking position, the described dead bolt that stretches out can extend in the described hole of close institute crossbeam one end in the chute of being offered on described the locking bar, make it can not slide displacement thereby the U-shape lock bar blocked, and makes this theftproof lock be in the locking condition that wheel is fixing; When U-shape sword iron was positioned at other position, described dead bolt placed described chute, and this lock is in the releasing locking condition then locking bar can be made telescopic displacement if at this moment do not have the combination disk bar of ubi infra and the fixing of bayonet lock; In this theftproof lock locking and two state-transition processes of unblanking, described dead bolt is located in the chute of a locking bar all the time, dead bolt is had preferably to neutrality, successfully insert when being beneficial to locking in the hole in the chute, in addition, can prevent that also the U-shape lock bar is by coming off in the lock case shell when unblanking.

In other two pairs of holes of described lock case shell, wear and fix rotationally described combination disk bar rotationally, end on this combination disk bar sets firmly combination disk, when it is inserted into this combination disk is fastened on the outer wall of lock case shell, set firmly described chuck being located on the bar of locking in the case shell of combination disk bar, this chuck is that three sections shaft parts of little size are formed by diameter at it on axially at least, middle than major diameter shaft part formation chuck segment, on this shaft part, be provided with an axial pass trough, the circumferential surface of the shaft part that bottom land and other two sections diameters are less is concordant, close combination disk one side of described chuck than the small diameter shaft section for opening fixed part, another is sealed holding division than the small diameter shaft section, the lower end of the bayonet lock on the locking bar of described U-shape lock bar is lower than the upper surface of described chuck segment, but be higher than or etc. the upper surface that is higher than sealed holding division and opens fixed part, thus, when described chuck is transferred to described axial pass trough up the time, move described U-shape lock bar, the described bayonet lock that plugs on it can pass this axial pass trough and make locking bar shift reciprocately between described unlatching fixed part and sealed holding division, and when described axial pass trough is transferred to other position, described bayonet lock can not be displaced to the unlatching fixed part by sealed holding division by chuck segment, vice versa, thus, make this lock stably be in locking condition or opening, therefore, by chuck a locking bar is provided with another pintle hook lock office.

One locking bar has the dead bolt and the locking of chuck twice of lock core, and as this theftproof lock, because U-shape sword iron wherein has two locking bars, the corresponding described chuck of each locking bar, therefore, a lock has just had four to fix sealed office.Which office does not open all and lock can not be opened.

The theftproof lock that the utility model provides has double anti-theft; this lock adopts i.e. four pin (two dead bolts and two bayonet locks) locking structures of two forks (two locking bars) fourth gear; above-below direction and left and right directions are equipped with antitheft office (chuck in the lock; bayonet lock and dead bolt); only open wherein any one office and all can't open this lock; and in this lock, be provided with unexpected protective device: when this lock is in opening; at least one of them combination disk can be rotated; the position that makes the axial pass trough on this combination disk bar depart from bayonet lock; at this moment; because bayonet lock can not pass; then the U-shape lock bar can not jolting or impact by stretching out in the lock case shell and block wheel because of vehicle; therefore; this lock is by the effect of accident protection; promptly open lockset lockset in normally riding and can not rebound in the motor cycle rear wheel dish, cause traffic accident and injure human pilot because of any impact or collision.

Have again, chuck in the lock can also be provided with false breach on other position, promptly on the periphery of chuck, be provided with axial blind groove, this axial blind groove is provided with gap at an end adjacent with sealed holding division of chuck segment, but be that sealing is obstructed with opening the adjacent end of fixed part, like this, if described lock core is opened, do not knowing to rotate described combination disk under the situation of password, perhaps just make in the false breach of described bayonet lock setback, result's lock is still not to be opened, in addition, at this moment also change motionless combination disk again, had only the position of U-shape sword iron being shifted again onto locking, be about to bayonet lock by withdrawing from the false breach, just rotational password dish again.

One side of the lock case shell of this theftproof lock is provided with two stators, establishes corresponding perforation on it, can will be fixed on the vehicle frame of back.

The anti-theft lock for motorcycle that the utility model provides provides quadruple locking office by the cooperation of double lock tongue in the lock core and chuck bayonet lock, has increased the difficulty that the robber unblanks greatly.Lock core monolock tongue ratio is easier in general picking lock, the double lock tongue of this lock levers up just difficult, add bayonet lock, bigger with the chuck lock solid structure picking lock difficulty on the combination disk bar: as on combination disk, can be provided with some scales, and the position of having only a scale correspondence is the position of untiing the locking of bayonet lock chuck, and two bayonet lock chucks, will be to two scales, its difficulty is just bigger, just think, if establish 20 scales on a combination disk, the combination of each scale on two combination disk just have 400 may, and 399 combinations wherein are not right, the not repetitive rate of its combination is very high, and the fruit scale increases again for another example, and then combination is more.Open this lock and just use long time, this all is impossible for most robbers, and in addition, this lock can be fixed on the vehicle frame of back, distance between from the U-shape sword iron to the rear trochal disc is very short, even use the wire nipper of special shear-steel silk, reinforcing bar just can't set about at all, hacksaw also can't put in, even the sled roller puts in, because of no origin of force, also can't be curved with propping up the locking bar sled, therefore, the theftproof performance of this theftproof lock is very reliable.

Description of drawings

The utility model is described in further detail below in conjunction with accompanying drawing.

The surface structure schematic diagram of the wheel disc combination type anti-theft lock for motorcycle that Fig. 1 provides for the utility model;

The three-dimensional decomposition texture schematic diagram of the theftproof lock that Fig. 2 provides for the utility model;

Fig. 3 is the structural representation of the locking of a lock core and a locking bar;

Fig. 4 is the double lock tongue structural representation of lock core;

The lock solid structure schematic diagram that the chuck that Fig. 5 is provided with for the combination disk bar cooperates with bayonet lock on the locking bar.

The specific embodiment

Be illustrated in figure 1 as the surface structure schematic diagram of this theftproof lock, its composition can be referring to Fig. 2, and this theftproof lock comprises lock case shell 1, U-shape lock bar 2, lock core 3, bayonet lock 4, coded lock device 5.

U-shape lock bar 2 props up locking bar 21 by two direct rod shapes that are parallel to each other and forms with the lock crossbeam 22 that is connected these locking bar 21 1 ends, on two relative on the lock case shell 1 sidewalls, be provided with four pairs of holes in twos accordingly, wear two locking bars 21 of U-shape lock bar 2 in two pairs of through holes on the wherein same horizontal plane, make two locking bars 21 on the U-shape lock bar 2 can be in the through hole of lock case shell 1 slide displacement, make two locking bars stretch out lock case shell long one section so that the fixing right wheel disk of motorcycle---locking and to one section of lock case shell retraction to remove fixing---to wheel unblank, the interior side lever wall upper edge of propping up locking bar 21 is axially arranged with chute 211, in chute 211, be provided with hole 212 near lock crossbeam one end, this hole 212 can be the through hole that runs through, it also can be blind hole, on the vertical direction vertical of locking bar 21, be provided with a pin through hole 213 with chute 211, the setting that interlaces of this pin through hole 213 and described chute, in this pin through hole 213, plug described bayonet lock 4, one end of this bayonet lock 4 is provided with bending segment 41, wear back-moving spring 42 on it, one end of this spring 42 is resisted against bending segment 41 roots of this bayonet lock 4, the other end is fixed on the inwall of lock case shell 1, another lower end of bayonet lock 4 is stretched out outside this through hole on the locking bar 21 and is extended one section, the also displacement thereupon when U-shape lock bar 2 slide displacements time of this bayonet lock 4;

As Fig. 3, shown in 4, on the inwall of lock case shell 1, set firmly a lock core 3, this lock core 3 can be welded on lock case shell 1 inwall, be provided with key channel 31 in this lock core 3, on the direction vertical, be provided with dead bolt passage 32 with key channel 31, be provided with two dead bolts 33 therein, these two dead bolts 33 can stretch out in dead bolt passage 32 under the driving of key and withdrawal resets, on two dead bolts, be provided with the reseting spring device (not shown), the reset position of spring is inserted into position in the hole in the chute for locking, and promptly to slide on chute be to be in the compressed state of spring to dead bolt.When U-shape lock bar 2 is positioned at locking position, the dead bolt 33 that stretches out can extend in the described hole 212 of close lock crossbeam one end in the chute of being offered on the locking bar 21 211, make it can not slide displacement thereby U-shape lock bar 2 blocked, and makes this theftproof lock be in the locking condition that wheel is fixing; When U-shape sword iron 2 was positioned at other position, described dead bolt 33 placed chute 211, and this lock is in the releasing locking condition then locking bar can be made telescopic displacement if at this moment do not have the combination disk bar of ubi infra and the fixing of bayonet lock; In this theftproof lock locking and two state-transition processes of unblanking, dead bolt 33 is located in the chute 211 of a locking bar 21 all the time, dead bolt 33 is had preferably to neutrality, successfully insert when being beneficial to locking in the hole in the chute 211, in addition, can prevent that also U-shape lock bar 2 is by coming off in the lock case shell 1 when unblanking.

As shown in Figure 1, 2, coded lock device 5 comprises combination disk bar 51, chuck 52 and aforesaid bayonet lock 4.In other two pairs of holes of lock case shell 1, wear and fix rotationally two combination disk bars 51, end on this combination disk bar 51 sets firmly combination disk 511, when combination disk bar 51 is inserted in the lock case shell 1, this combination disk 511 is fastened on the outer wall of lock case shell 1, set firmly chuck 52 being located on the bar of locking in the case shell 1 of combination disk bar 51 by alignment pin 520, this chuck 52 is that three sections shaft parts of little size are formed by diameter at it on axially at least, middle than major diameter shaft part formation chuck segment 521, on this shaft part, be provided with an axial pass trough 5211, the circumferential surface of the shaft part that bottom land and other two sections diameters are less is concordant, close combination disk one side of chuck 52 than the small diameter shaft section for opening fixed part 522, another is sealed holding division 523 than the small diameter shaft section, the lower end of the bayonet lock 4 on the locking bar 21 of U-shape lock bar 2 is lower than the upper surface of chuck segment 521, but be higher than or etc. the upper surface that is higher than sealed holding division 523 and opens fixed part 522, thus, when chuck 52 is transferred to axial pass trough 5211 up the time, mobile U-shape lock bar 2, the bayonet lock 4 that plugs on it can pass this axial pass trough 5211 and make a locking bar 21 open shift reciprocately between fixed part 522 and the sealed holding division 523, and when axial pass trough 5211 is transferred to other position, bayonet lock 4 can not be displaced to by sealed holding division 523 by chuck segment 521 and open fixed part 522, vice versa, thus, make this lock stably be in locking condition or opening.

Have again, chuck in the lock can also be provided with false breach (not shown) on other position, it is to be provided with axial blind groove on the periphery of chuck, this axial blind groove is provided with gap at an end adjacent with sealed holding division of chuck segment, but be that sealing is obstructed with opening the adjacent end of fixed part, like this, if described lock core is opened, do not knowing to rotate described combination disk under the situation of password, perhaps just make in the false breach of described bayonet lock setback, result's lock is still not to be opened, in addition, at this moment also change motionless combination disk again, had only the position of U-shape sword iron being shifted again onto locking, be about to bayonet lock by withdrawing from the false breach, just rotational password dish again.

One side of the lock case shell 1 of this theftproof lock is provided with two stators 11, establishes corresponding perforation on it, can be fixed on the vehicle frame of back.

Claims

1, a kind of wheel disc combination type anti-theft lock for motorcycle is characterized in that: comprise lock case shell, U-shape lock bar, lock core, bayonet lock and coded lock device,

Described U-shape lock bar props up locking bar by two direct rod shapes that are parallel to each other and forms with the lock crossbeam that is connected this locking bar one end, on two relative on described lock case shell sidewalls, be provided with four pairs of holes in twos accordingly, wear two locking bars of described U-shape lock bar in two pairs of through holes on the wherein same horizontal plane, the interior side lever wall upper edge of described locking bar is axially arranged with chute, in chute, be provided with the hole near lock crossbeam one end, on the direction vertical of described locking bar, be provided with a pin through hole with described chute, the setting that interlaces of this pin through hole and described chute, in this pin through hole, plug described bayonet lock, be provided with compression reseting spring between one end of this bayonet lock and the lock case shell inwall, the other end of described bayonet lock stretches out outside this through hole on the locking bar and extends one section;

On the inwall of described lock case shell, set firmly a lock core, be provided with key channel in this lock core, be provided with the dead bolt passage on the direction vertical with key channel, be provided with two dead bolts therein, these two dead bolts can stretch out in the dead bolt passage under the driving of key and withdrawal resets; When the U-shape lock bar was positioned at locking position, the described dead bolt that stretches out can extend in the described hole of close institute crossbeam one end in the chute of being offered on described the locking bar; When U-shape sword iron was positioned at other position, described dead bolt placed described chute;

Described coded lock device comprises combination disk bar and chuck, in other two pairs of holes of described lock case shell, wear and fix rotationally described combination disk bar rotationally, end on this combination disk bar sets firmly combination disk, when it is inserted into this combination disk is fastened on the outer wall of lock case shell, set firmly described chuck being located on the bar of locking in the case shell of combination disk bar, this chuck is that three sections shaft parts of little size are formed by diameter at it on axially at least, middle than major diameter shaft part formation chuck segment, on this shaft part, be provided with an axial pass trough, the circumferential surface of the shaft part that bottom land and other two sections diameters are less is concordant, close combination disk one side of described chuck than the small diameter shaft section for opening fixed part, another is sealed holding division than the small diameter shaft section, the lower end of the bayonet lock on the locking bar of described U-shape lock bar is lower than the upper surface of described chuck segment, but is higher than or waits the upper surface that is higher than sealed holding division and unlatching fixed part.

2, theftproof lock according to claim 1 is characterized in that: the described hole in the axial slide of described locking bar is through hole or the blind hole that runs through.

3, theftproof lock according to claim 1, it is characterized in that: the structure that is provided with compression reseting spring between described bayonet lock and the lock case shell inwall is: an end of this bayonet lock is provided with bending segment, wear back-moving spring on it, one end of this spring is resisted against the bending segment root of this bayonet lock, one end of this bayonet lock is provided with bending segment, wears back-moving spring on it, and an end of this spring is resisted against the bending segment root of this bayonet lock, the other end is fixed on the inwall of lock case shell

4, according to claim 1 or 2 or 3 described theftproof locks, it is characterized in that: described chuck also is being provided with false breach on other position: be provided with axial blind groove on the periphery at chuck, this axial blind groove is provided with gap at an end adjacent with sealed holding division of chuck segment, but is being that sealing is obstructed with opening the adjacent end of fixed part.

5, according to claim 1 or 2 or 3 described theftproof locks, it is characterized in that: a side of described lock case shell is provided with two stators, establishes corresponding perforation on it.