CN2100448U

CN2100448U - Bicycle lock

Info

Publication number: CN2100448U
Application number: CN 91205362
Authority: CN
Inventors: 于君
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-04-08
Filing date: 1991-04-08
Publication date: 1992-04-01

Abstract

The utility model belongs to a bicycle lock. Poor defect to current lock product pick-proof nature to and the manufacturability of current solution is poor, unpractical problem, the utility model provides a bicycle lock with high pick-proof nature and practicality. The lock uses lock bolts (2a) and (2b) as main fixed connection parts for sealing a U-shaped lock cavity (3), and the other end of the lock is connected in a row of reverse grooves on a lock beam (1) punched by sheet metal in a penetrating way or is hinged with the lock beam (1) through a self-locking shaft (4) with a groove. After the lock is locked, the main parts are interlocked to form a closed rigid ring body, so that the lock is high in prying resistance. The bicycle lock does not need rivets, does not need welding, casting, forging or steel pipe bending and other processes, has few parts, simple assembly and low cost, and is suitable for popularization and implementation.

Description

Bicycle lock

The utility model belongs to lockset, is the lock that is used for bicycle.

The domestic bicycle lock that generally uses at present all is mounted in the horseshoe lock of car body rear stays top basically.The horseshoe lock of the various trades mark on the market generally all constitutes shape of a hoof lock bridge by the two sides lock housing, and, generally all use aluminium rivet riveted lock housing.The horseshoe lock of these types generally all is with the end locking of arc-shaped lock bolt on principle, is inserted in the lock bridge stomidium and the other end is non-affixedly.Facts have proved that said structure has two big defectives: one, low with the anti-sled ability of the lock housing of closing-up, lock housing causes the unnormal unlocking of lock in case after being pried open, the lock core element of dependence lock housing covering protection just is easy to destroyed.Its two, can not form rigidly connected ring-type lock body behind the locking.After the exposed parts of locking bolt is subjected to external force to pull folding, its non-affixed termination will be pulled out from the lock housing stomidium and buckling failure, forfeiture resistance robber effect.Thereby the car stealer uses that the sleeve pipe of gong silk cutter or repacking is pulled etc., and general tool can be gone smoothly rapidly.In general, car stealer's means of illegally unblanking are divided three types.First kind can be described as " deformability destruction ", is characterized in, damaged parts only is created in change of shape such as following the long radius that can reach bending of conventional instrumental purpose, recessed wrinkle, displacement and slight distortion, stretching.Its concrete form mainly be the front introduced open the picking lock shell, make rivet failure and distortion locking bolt, locking bolt was lost efficacy.Second type can be described as " disconnected cutting property destruction ".Be characterized in that main damaged parts has produced the disjunction breakage.Its concrete form as: main members such as cut-out, sawed-off locking bolt, lock bridge make its inefficacy.The third type can be described as " technology unlocking ", such as the special tool with master key and so on.Most locks in the market can be by first type above-mentioned means breakdown.The actual mistake car case that takes place has all only been used such robber driver section basically, uses the case of the means robber car of second and third type then seldom to see.Therefore, the bicycle lock theftproof performance is crossed a low main cause that has become under the stolen case sharp increase not of current bicycle.Now, make great efforts improving the bicycle lock theftproof performance, when it only being reached be subjected to " disconnected cuttability destroys " and " technology unlocking ", could be the common aspiration of various circles of society by the antitheft level of unnormal unlocking.For this reason, for a long time, people have constantly proposed many improvement projects.Wherein the improvement project at horseshoe lock integrates and can be divided three classes substantially: the characteristics of the first kind are, locking bolt end or postmedian pass in the hole on the lock core tube, and lock pin is enclosed in the lock core tube.This type of scheme can be referring to 90202445.0,90204772.8,90211773.4,89216466.2 and No. 88221269.9 Chinese patent application bulletins.The lock core of this class lock and the interlocking of locking bar also can be kept without the protection of lock housing, thereby reduce or abandoned dependence to rivet, have improved the pick-proof ability relatively.But, behind this class lock locking, its locking bolt expose the end and the lock bridge stomidium still is in non-affixed state, whole lock body does not also form the rigidity closed-loop, thereby still is difficult to resist the theft means of bending locking bolt.The characteristics of the second class scheme are that the employing steel pipe is made lock bridge, and with welding procedure that the tapered end and the steel pipe lock bridge of casting is integrally welded.Referring to 89215653.8,90200770.X and No. 90205903.3 Chinese patent application bulletins.The characteristics of the 3rd class scheme are that an end of lock bridge and entity tapered end (as the cast iron tapered end) mutually combine as a whole by welding or the affixed technology of other high strength, the hinged or cross-under of the tail end of the other end and locking bolt.This type of scheme can be referring to 88216296.9,88215820.1,90205903.3 and No. 89221364.7 Chinese patent application bulletins.The advantage of second and third class scheme is, abandoned aluminium rivet, and made lock bridge, tapered end, locking bolt can constitute the rigidity ring body behind locking, and theftproof performance is good.Its major defect is, because of being subjected to the restriction of principle, need the production technology that adopts welding, casting, steel tube bending etc. inefficient, expensive inevitably, thereby work efficiency is low, the product cost height, weight is big, assembling procedure is numerous and diverse, is unsuitable for commercialization and produces in enormous quantities.Except that above-mentioned three class schemes, adopt monoblock cast in addition or forge schemes such as lock bridge, tapered end, as 88201759.4,89215850.6 and No. 89216955.9 Chinese patent application bulletins.Obviously, this class scheme also all has similar above-mentioned various defectives.In addition, in the above-mentioned various schemes that hinged locking bolt arranged, how the hinge of its hinged place fixedly secures, with prevent to be prized from and the problem that lost efficacy is not still resolved.As still adopting rivet, its anti-sled intensity will be difficult to reach should level.Also have, mostly there is a kind of common unsafe factor in the current lock that generally uses, i.e. the big extension spring of locking bolt afterbody is because of with the passing of time corrosion, and elasticity is weak and make easily downslide " self-locking " gradually in car body is advanced of locking bolt, causes a traffic accident.

Main purpose of the present utility model is, designs a kind of bicycle lock, and this lock should adopt the affixed mode of new lock body, should avoid using rivet to do resistance and steal element, also will avoid using technologies such as steel tube bending, monoblock cast, forging or welding; And, adopt the lock locking of this affixed mode after, the lock body critical piece connects into rigidity sealing ring body with wanting high strength, this ring-type lock body should be able to be resisted " deformability destruction "; It is simple that the structure of lock is wanted, and is convenient to the high efficiency processing of conventional equipment, and its number of spare parts will be lacked, and it is few also will to be fit to operation, the high and assembling requirement simple to operate of efficient, thus lower cost is arranged.

On the basis of having realized above-mentioned main purpose, the utility model is also made every effort to real following specific purposes:

One of purpose is though do not adopt steel pipe to make lock bridge, obtain a kind of sheet metal lock bridge structure with jacket formula sealing characteristics of steel pipe.

Two of purpose is, obtain a kind of under the lock locking states non-warp " disconnected cutting property destruction " can not get and remove, and under the lock opening, the hinge of the radial type locking bolt of dismounting easily again.

Three of purpose is at the defective of the big extension spring of generally adopting in the present lock, to design and can prevent self-locking, higher, the safer locking bolt stop mechanism of reliability of prevention locking bolt activity.

The utility model is achieved in that in a kind of bicycle lock of the component such as shape of a hoof lock bridge that comprise locking bolt, lock core element and make with metal sheet, increased following architectural feature, at first, one end of locking bolt is kept being connected with lock bridge with cross-under or hinged mode, then, increase a lock chamber made from metal sheet that is connected with an end of lock bridge again, in this lock chamber, settle lock core element; Behind the lock locking, the jagged end of the locking bolt that is locked by lock core element is inserted in the lock chamber, hinder lock chamber two walls open from the moving of lock core element.Reach the pick-proof purpose.

The lock core element that this paper is alleged is meant to comprise the lock core courage, lock core tube, and lock core marble, the pellet shot from a slingshot spring, and lock pin etc. is in order to other component of lock bolt.

The cross-under that this paper is alleged is meant the unidirectional flexible connection between shaft and the hole.

In the utility model, the lock chamber promptly can be an independently part, and by other part and the winding of lock bridge end, also can be the part of whole lock bridge, promptly at a cavity that directly make the end of lock bridge.

When lock chamber when being lock bridge a part of, it has following two kinds of grown forms; The cross section in the lock chamber of first kind of form is

Shape, porose or breach on its two overlapped folded walls, when the lock locking, the jagged end of locking bolt pass behind above-mentioned hole or the breach with the lock chamber in the lock core element interlocking, thereby two folded walls will locking the chamber couple together, make its can not open from.

The cross section in the lock chamber of second kind of form is Contraband shape, the end of the wall of its two stretching, extensions is porose, there is the connector of hook to pass and hook these holes with two ends, thereby will lock the two wall end clasp joints in chamber, after hole or breach on the connector passed in the jagged end of locking bolt, be connected with the lock core element locking in the lock chamber, and hinder the activity of connector, it is kept locking the involution effect in chamber.

In second kind of form, locking bolt after the locking is to the inhibition of connector activity, can realize by two kinds of means: at first, can make two ends have the connector of hook formation in the lock chamber, to hook the edge of lock chamber two wall stomidiums from inside to outside, then, lock core element is installed again, is utilized the lock core element support connecting piece, make its location.Secondly, can also set up the pin of a porose or breach, this is locked the subsides connector is through in the hole of lock two wall ends, chamber, connector is stuck and locatees, when the lock locking, the jagged end of locking bolt is passed behind hole on the connector or hole on breach and the pin or the breach and the lock core element interlocking.

According to the utility model principle, will lock the chamber when being designed to independently part, being connected between lock chamber and the lock bridge, can be with following two class methods enforcement:

At first, an end of lock bridge can be made The corresponding of lock chamber inserted and be stuck in to shape

In the shape cavity.The support that this connection status will rely on the lock core element of packing into subsequently keeps.

Secondly, hole or breach can also be made in an end of lock bridge, and insert in the lock chamber.Utilize the hole or the breach of lock bridge end to be connected with the lock chamber by other part.Its concrete mode is different because of the difference of lock chamber form.

Independently lock the chamber following two kinds of grown forms also arranged:

The cross section in the lock chamber of first kind of form is

Shape, porose on its two overlapped folded walls, the hole of lock bridge end or breach are on bending side, and the jagged end of locking bolt can be passed the hole of the overlapping folded walls in above-mentioned lock chamber successively, and behind hole on the bending side of lock bridge end or the breach with the lock core element interlocking.

The cross section in the lock chamber of second kind of form is Contraband shape, its two walls end is porose, there is the connector of hook formation to pass the hole or the breach of lock bridge end at two ends, and be hooked in the lock two wall ends, chamber the hole along last, the jagged end of locking bolt is passed behind hole on the connector or the breach and the lock core element interlocking, and hinders the activity of connector.

In second kind of form, locking bolt can be realized by three kinds of modes the inhibition of connector activity.At first, can make two ends have the connector of hook formation to pass the edge that in the lock chamber, hooks lock chamber two wall stomidiums behind the lock bridge stomidium from inside to outside, then, lock core element is installed again, utilize the lock core element support connecting piece, make its location.Secondly, can also set up the pin of a porose or breach, this be locked paste connector and be through in the two wall stomidiums of lock chamber, connector is stuck and locatees, when the lock locking, the jagged end of locking bolt is passed behind hole on the connector or hole on breach and the pin or the breach and the lock core element interlocking.In addition, for simplified structure, the lock bridge end can also be made a porose bending side, and be close in one or two hole that connector is through lock two wall ends, chamber, the jagged end of locking bolt is passed hole on the connector and the Kong Houyu lock core element interlocking on the bending side of lock bridge end successively.

In fact, insert the both sides of the lock bridge end bending side in the Contraband shape lock chamber and can directly make hooked edge, in the lock chamber, hook the hole of lock two wall ends, chamber from inside to outside, play the effect of connector, the lock core element of locking the chamber of packing into subsequently just supports lock bridge, makes its location.

In the utility model, the connected mode between locking bolt and the lock bridge has cross-under and hinged two types.

Its cross-under mode is preferably such: what make of metal sheet

Make the rounded trenches of plurality of sections along same circular arc serial connection on the shape lock bridge, the locking bolt of arc can slide in the curved channel that each section groove surrounds jointly.

Its articulated manner can be such: one of the axle of the end that of locking bolt has an axis hole by a fluted structure and lock bridge has the end of axis hole hinged, behind the lock locking, groove structure on locking bolt and the lock bridge utilization axle hinders moving of axle jointly, thereby makes locking bolt and lock bridge keep being connected; And after lock was opened, this axle can be removed.In order to make locking bolt after unlatching, keep braking, the utility model proposes following scheme: an end of a spring-loaded trigger piece is hinged on the locking bolt, after lock was opened, the movable end of this trigger piece can hook or prop up lock bridge, thereby hindered the slip of locking bolt to the locking direction.

Other concrete feature of the present utility model will narration in conjunction with the accompanying drawings in the embodiment of back.

This bicycle lock that the utility model proposes has adopted the affixed mode of lock chamber, locking bolt and other each main parts size reciprocal interlocking, thereby no longer rely on rivet and do resistance and steal element, also need not adopt such as steel tube bending complexity such as monoblock cast, forging or welding, poor efficiency, expensive production technology; And, behind the lock body locking, interlock into the sealing ring body of rigidity between the main parts size such as lock bridge, locking bolt mutually securely, can resist " deformability destruction " effectively; Except that the lock core element group, the necessary part of whole lock body can have only 2 to 6, and these parts all can use common materials such as steel sheet, reinforcing bar by the processing expeditiously of general pressing equipment; And the simple shape of each punching parts both had been fit to also meet few operation with simple mould processing, the assembling requirement of high efficiency, simple operations, thus provide sufficient technical condition for low-cost production.

Except above-mentioned advantage, the utility model also has following several advantage:

At first, though the utility model does not adopt the steel tube bending lock bridge, a kind of lock bridge structure with the sheet metal compacting with the sort of close passage effect of steel pipe has been proposed, the resistance sled effect of its existing close passage, there is processing technology simple again, is convenient to the advantage of high efficiency, low-cost production.

Secondly, the locking bolt that the utility model proposes and the articulated structure of lock bridge have " self-locking " of special construction hinge owing to adopted, make axis body also simultaneously locked when locking bolt is in locking states, disconnected the cutting property destruction of non-warp can not be taken off, and has only after the normal unlatching of lock, and this could be by dismounting.

In addition, the braking trigger piece that the utility model proposes is difficult for corrosion, and indefatigability has reliability and the safety higher than big extension spring.

Below, will and be described in further detail the utility model in conjunction with the accompanying drawings by embodiment.

Fig. 1 has introduced a kind of bicycle lock according to the design of the utility model principle.Wherein Fig. 1 a is the front view of this lock; Fig. 1 b is the sectional view of lock cavity segment; Fig. 1 c introduces the principle of the trigger piece that braking function is arranged of this lock and the stereogram of structure.

Fig. 2 and Fig. 3 two width of cloth stereograms have been introduced two kinds of sealing structures with the lock chamber of lock bridge one, wherein before connector of a kind of employings, afterwards a kind ofly then adopts a connector to add the structure of a pin.

Fig. 4 and Fig. 5 two width of cloth stereograms have showed that the cross section is

The independent lock chamber of shape and two kinds of winding modes of lock bridge.

Fig. 6-Fig. 9 has showed that the cross section is the four kind concrete modes of the independent lock chamber of Contraband shape by connector and lock bridge winding.Wherein Fig. 7, Fig. 8 b, Fig. 8 c and Fig. 9 b are the sectional drawings of the overbending direction of lock cavity segment, and all the other are stereograms.

Figure 10-Figure 12 has showed that lock bridge replaces connector and cross section to be three kinds of modes of the lock chamber winding of Contraband shape with its bending side.Wherein, Figure 10 a, Figure 11 b are partial perspective views, and Figure 11 a and Figure 12 a are partial front elevation view, Figure 10 b be among Figure 10 a the lock cavity segment after the assembling along the sectional drawing of overbending direction.

Figure 13 is a kind of bicycle lock that adopts the lock cylinder tube according to the design of the utility model principle.Wherein, Figure 13 a is the front view after the assembling, and Figure 13 b is the assembling stereogram of lock cavity segment.

Figure 14 is the bicycle lock according to a kind of radial type locking bolt of the utility model principle design.Wherein, Figure 14 a is the front view after the assembling, and Figure 14 b is the stereogram in its lock chamber, and Figure 14 c is the assembling stereogram of its locking bolt and lock bridge hinge portion.

Figure 15 is a kind of band connector and pin, and adopts the stereogram of the bicycle lock lock cavity segment of radial type locking bolt.

Figure 16 and Figure 17 are two kinds of articulated structures of locking bolt and lock bridge.

Figure 18 has showed a kind of according to the utility model principle design, with the front view after the assembling of the bicycle lock of big extension spring.

K before the part code name numeral in each accompanying drawing represents hole or breach structure, and V represents groove structure, and H represents spring.

Referring to Fig. 1, a kind of bicycle lock according to the design of the utility model principle, its main body is that a shape of a hoof lock bridge ［ 1 ］ made from the punching press of 1.2mm-1.5mm steel sheet (is seen Fig. 1 a), gone out 4 sections arcuate furrows ［ V1 ］ along same circular arc serial connection by dual-direction ram above it.The recessed dark direction of adjacent grooves ［ V1 ］ is opposite, shown in four lock bridge sectional drawings at Fig. 1 a middle part.An arc-shaped lock bolt that bends with round steel ［ 2a ］ is through in the curved channel that four sections grooves ［ V1 ］ of lock bridge ［ 1 ］ surround, and can slide.An end of lock bridge ［ 1 ］ bends through punching press, makes a cross section and is

The lock chamber ［ 3a ］ (seeing Fig. 1 b) of shape.There is through hole ［ K4 ］ at the overlapping wall middle part in lock chamber ［ 3a ］.One of locking bolt ［ 2a ］ has the end of recess ［ V5 ］ can pass this through hole ［ K4 ］, and with the direct interlocking of half-cylindrical tail end that is contained in the lock core courage ［ 6a ］ in lock chamber ［ 3a ］.Behind the lock locking, lock core courage ［ 6a ］, lock core tube lock core elements such as ［ 6b ］ because of with locking bolt ［ 2a ］ rigidity interlocking, can not release lock chamber ［ 3a ］, locking bolt ［ 2a ］ can not withdraw from lock chamber ［ 3a ］, and the overlapping wall in lock chamber ［ 3a ］ also because of can not be opened by the company of wearing of locking bolt ［ 2a ］ from; In addition, the other end of locking bolt ［ 2a ］ is subjected to lock bridge ［ 1 ］ to go up the restriction of each section groove ［ V1 ］, can not separate with lock bridge ［ 1 ］.Therefore, locking bolt ［ 2a ］ has just been interlocked into the sealing ring body of rigidity with lock bridge ［ 1 ］.Want to make it to open, except that using key ［ 7 ］, have only employing " disconnected cutting property destruction ", promptly cut off locking bolt ［ 2a ］ or lock bridge ［ 1 ］.The locking bolt of this lock ［ 2a ］ bending end has been installed the trigger piece ［ 8 ］ that braking function is arranged.Shown in Fig. 1 c, it is made up of static handle ［ 8a ］, movable handle ［ 8b ］ and spring ［ Hg ］.Static handle ［ 8a ］ is located by connecting by interface ［ K10 ］ and locking bolt ［ 2a ］ bending end, movable handle ［ 8b ］ serves as that axle is hinged with the afterbody of locking bolt ［ 2a ］ bending then, the convex structure at movable handle ［ 8b ］ edge acts on following on lock bridge ［ 1 ］ outer rim at spring ［ Hg ］, can stop the forward slip of locking bolt ［ 2a ］ effectively.In use, lift movable handle ［ 8b ］, make it to separate, just can promote locking bolt ［ 2a ］ and forward slide, until locking with lock bridge ［ 1 ］ with finger.For easy to use, be with a torsion spring ［ H11 ］ on the lock core courage ［ 6a ］.After inserting key ［ 7 ］, lock core courage ［ 6a ］ is removed the interlocking to locking bolt ［ 2a ］ clockwise about 90 ° down of torsion spring ［ H11 ］ effects, makes the lock unlatching.

The concrete form in lock chamber ［ 3a ］ can be diversified.The cross section in the lock chamber ［ 3b ］ that belongs to lock bridge ［ a 1 ］ part shown in Figure 2 is Contraband shape, and the plate shape connector ［ 12 ］ at edge with hook, two ends is hooked in two strip holes ［ K13 ］ of lock two wall ends, chamber ［ 3b ］ in lock chamber ［ 3b ］ from inside to outside.Lock core element ［ 6 ］ is placed in the lock chamber ［ 3b ］, just fills between connector ［ 12 ］ and lock bottom surface, chamber ［ 3b ］, supports connector ［ 12 ］, and it is kept locking the clasp joint effect of two wall ends, chamber ［ 3b ］.The jagged end of locking bolt is inserted and is locked in the hole of lock core tube ［ 6b ］ after passing hole ［ K14 ］ on the connector ［ 12 ］, and lock core element ［ 6 ］ is fixed in the lock chamber ［ 3b ］.Like this, as long as locking bolt and lock core element ［ 6 ］ keep interlocking, lock chamber ［ 3b ］ just can keep firm sealing state, and whole lock body just can reciprocal interlocking becomes the sealing ring body of rigidity.Be noted that, should select suitable mode with lock core element ［ 6 ］ low-intensity be fixed in lock chamber ［ 3b ］, come off from lock chamber ［ 3b ］ to avoid opening rear lock core element ［ 6 ］ at lock.Concrete mode as: in assembling, make the specific portion distortion in lock chamber ［ 3b ］, or with the rivet rivet clasp etc.

The cross section in the lock chamber ［ 3b ］ that Fig. 3 introduces also is a Contraband shape, and its connector ［ 12 ］ has two longwells of bending relatively, lock core element ［ 6 ］ can be covered and is fixed in the lock chamber ［ 3b ］.Earlier connector ［ 12 ］ ecto-entad is hooked in the two wall stomidiums ［ K13 ］ of lock chamber ［ 3b ］, the external surface that plate shape pin ［ 15 ］ is close to connector ［ 12 ］ is inserted in the two wall stomidiums ［ K13 ］ of lock chamber ［ 3b ］ then, thereby make connector ［ 12 ］ location, keep the envelope continuous cropping in lock chamber ［ 3b ］ is used.The termination that recess ［ V5 ］ is arranged of locking bolt ［ 2a ］ is inserted and is locked in the lock core tube ［ 6b ］ after can passing hole ［ K16 ］ on the pin ［ 15 ］ and the hole ［ K14 ］ on the connector ［ 12 ］ successively.Obviously, as long as locking bolt ［ 2a ］ locking, pin ［ 15 ］ and connector ［ 12 ］ just can not release lock chambeies ［ 3b ］, lock chamber ［ 3b ］ and just keep sealing, thereby reach antitheft purpose.

Except above-mentioned and lock bridge ［ 1 ］ incorporate lock chamber ［ 3a ］［ 3b ］, the lock chamber can also be a part independently, and by a definite form and lock bridge ［ 1 ］ winding.

Fig. 4 has introduced a kind of connecting structure and the mode of independent lock chamber ［ 3c ］ and lock bridge ［ 1 ］.Lock cross section, chamber ［ 3c ］ is

Shape, its cavity is trapezoidal.A trapezoidal termination ［ 17 ］ that is complementary of lock bridge ［ 1 ］ tilts to insert lock chamber ［ 3c ］, is close to then on the wall in lock chamber ［ 3c ］, thereby is connected in the lock chamber ［ 3c ］.Behind the lock core element of packing into ［ 6 ］, lock core tube ［ 6b ］ just props up the trapezoidal termination ［ 17 ］ of lock bridge ［ 1 ］, makes its location, keeps clamping with lock chamber ［ 3c ］.Locking bolt inserts and is locked in the lock core tube ［ 6b ］ after can passing the hole ［ K4 ］ of locking chamber ［ 3c ］ two overlapping walls.In this mode, the width M that goes to the bottom of the trapezoidal end ［ 17 ］ of lock bridge ［ 1 ］ should be slightly smaller than the catercorner length N of the smaller opening in the ladder cavity of locking chamber ［ 3c ］, to be easy to assembling.

Also can with the bending of lock bridge ［ 1 ］ one end, and on bending side ［ 18 ］, leave through hole ［ K19 ］ or breach as Fig. 5.Inserting it into the cross section is Behind the lock chamber ［ 3c ］ of shape, reinstall lock core element.And fix lock core element and lock bridge ［ 1 ］ end in a suitable manner.When lock lock group, locking bolt passes hole ［ K19 ］ or the breach that passes again behind the hole ［ K4 ］ of lock chamber ［ 3c ］ two overlapping walls on lock bridge ［ 1 ］ the end bending side ［ 18 ］, insert at last and be locked in the lock core tube, thereby lock core element, lock bridge ［ 1 ］ firmly are connected with locking bolt, and seal lock chamber ［ 3c ］.

Independently lock the cross section, chamber when being Contraband shape, can respectively offer a strip hole ［ K13 ］ in two wall ends as shown in Figure 6, and also leave strip hole ［ K19 ］ at an end of lock bridge ［ 1 ］.Then, again plate shape connector is passed and hooks the strip hole ［ K13 ］ of lock two wall ends, chamber ［ 3b ］, involution is firmly locked chamber ［ 3d ］, thereby lock chamber ［ 3d ］ is connected with lock bridge ［ 1 ］.In this type of mode, the shape of connector and fixed form are diversified.Fig. 7-Figure 12 has introduced several specific embodiment.

Fig. 7 illustrates the fixed form of a kind of connector ［ 12 ］ briefly with sectional drawing.Pass lock bridge stomidium ［ K19 ］, and be hooked in from inside to outside on lock chamber ［ 3d ］ the two wall stomidiums ［ K13 ］ connector ［ 12 ］ just by after the lock core element ［ 6 ］ of packing into prop up, can not and lock the two wall stomidiums ［ K13 ］ of chamber and withdraw from from lock bridge stomidium ［ K19 ］.Locking bolt inserts and is locked in the lock core element ［ 6 ］ after passing the hole ［ K14 ］ of connector ［ 12 ］, and lock core element ［ 6 ］ also is fixed up.

Also can adopt front the sort of mode shown in Figure 3, be close to the outside or the inside of connector ［ 12 ］ and insert a pin ［ 15 ］, the route of retreat of connector ［ 12 ］ is blocked, thus fixing.

With structural similarity shown in Figure 5, the method of the fixed connecting piece ［ 12 ］ that Fig. 8 a introduces is that bending side ［ 18 ］ is made in lock bridge ［ 1 ］ end, and its edge is close in the strip hole ［ K13a ］ of a broad that connector ［ 12 ］ inserts lock chamber ［ 3d ］, play the effect of a pin, a hooked edge of the connector ［ 12 ］ that is hooked in this hole ［ K13a ］ can not be withdrawed from from hole ［ K13a ］.Another hooked edge of connector ［ 12 ］ can not withdraw from because of in the narrower strip hole ［ K13b ］ that is hooked in lock chamber ［ 3d ］, thereby makes connector ［ 12 ］ fixing.Locking bolt passes hole ［ K14 ］ and the back, the hole ［ K19 ］ on the lock bridge and lock core element interlocking on the connector.Because the folded end size of lock bridge ［ 1 ］ is bigger, just can put in place behind the insertion lock chamber ［ 3d ］ that needs during assembling to tilt earlier (seeing Fig. 8 b).The lock core element of packing into subsequently ［ 6 ］ is fixed in the lock chamber ［ 3d ］ (seeing Fig. 8 c) bending end of lock bridge ［ 1 ］

The above-mentioned lock bridge that serves as pin ［ 1 ］ end bending side ［ 18 ］ can also be shown in Fig. 9 a like that, go out another ligule edge ［ 20 ］ in its bending place punching out, and resemble and be close to Fig. 9 b in another strip hole that connector ［ 12 ］ inserts lock chamber ［ 3d ］, make connector ［ 12 ］ fixing effectively.

In Figure 10 a, the bending side ［ 18 ］ that both sides of lock bridge ［ 1 ］ end are shaped on hook formation directly serves as connector.It has hooked the strip hole ［ K13 ］ of two wall ends, lock chamber ［ 3d ］ from inside to outside in lock chamber ［ 3d ］.The lock core element ［ 6 ］ of locking chamber ［ 3d ］ of packing into has subsequently propped up the lock bridge end bending side ［ 18 ］ that serves as connector, makes it fix (seeing Figure 10 b).Locking bolt inserts and is locked in the lock core element ［ 6 ］ after passing hole ［ K19 ］ on the lock bridge bending side ［ 18 ］.Perhaps, also can design conversely,, make in the hole of locking bolt ［ 2a ］ by the bottom in inverted lock chamber ［ 3d ］ and insert as Figure 11 a, and with the lock core element interlocking.The hole ［ K19 ］ of bending side ［ 18 ］ of lock bridge end of serving as connector is then as the keyhole (seeing Figure 11 b) of lock core.In addition, can also be as Figure 12 a, lock chamber ［ 3d ］ is obliquely installed, lock bridge ［ 1 ］ shown in Figure 12 b like that, make the L shape.Locking bolt ［ 2a ］ inserts lock chamber ［ 3d ］ from the bottom.

The lock core element of above-mentioned various embodiments all is flat setting.In addition, also can adopt the lock cylinder tube ［ 6b ］ of fluted ［ V21 ］, stretch in the chamber from the front in lock chamber ［ 3c ］, and block by the V shape end ［ 22 ］ of lock bridge ［ 1 ］ as shown in Figure 13 b.Locking bolt ［ 2a ］ passes successively

Insert and be locked in behind the hole ［ K4 ］ on the overlapping folded walls in shape lock chamber ［ 3c ］ and the breach ［ K23 ］ of lock bridge V shape end ［ 22 ］ in the bottom lock ditch ［ 24 ］ of lock cylinder tube ［ 6b ］, thereby it is fixing that each parts is reciprocal interlocked.In this embodiment, the recessed dark direction of four sections grooves ［ V1 ］ of lock bridge ［ 1 ］ is identical, but degree of depth difference, these characteristics in Figure 13 a and sectional drawing wherein as can be seen.Trigger piece ［ 8 ］ structure of the locking bolt in this scheme ［ 2a ］ can be quoted principle and the structure among Fig. 1 c.The cross section of its locking bolt ［ 2a ］ is a round rectangle.

According to the utility model principle, Figure 14 has introduced locking bolt and the hinged bicycle lock embodiment of lock bridge.Shown in Figure 14 c, one one end has cap, and the axle ［ 25 ］ of the other end fluted ［ V26 ］ passes lock bridge ［ 1 ］ end of strip axis hole ［ K27 ］ and locking bolt ［ 2b ］ end of the compound axis hole of cross ［ K28 ］ is arranged.Be with the cross section of lock bridge ［ 1 ］ one

Jagged ［ K29 ］ (seeing Figure 14 b) on the overlapping wall in the lock chamber ［ 3a ］ of shape.When the lock locking, about 90 ° of locking bolt ［ 2b ］ swing make its termination that recess ［ V5 ］ is arranged insert lock chamber breach ［ K29 ］, and the lock core element ［ 6 ］ that is stuck in down in the trapezoidal lock chamber ［ 3a ］ pins (seeing Figure 14 a, 14b).At this moment, the local edge of the cross composite holes ［ K28 ］ of locking bolt ［ 2b ］ is cut in the groove ［ V26 ］ of axle ［ 25 ］, and it can not be withdrawed from.Spring ［ H30 ］ becomes to making locking bolt ［ 2b ］ after the unlatching to lower swing.After locking bolt ［ 2b ］ is opened to the limit, by the hinged trigger piece ［ 8 ］ of rivet ［ 31 ］ and locking bolt ［ 2b ］ under the effect of spring ［ H32 ］, the hook formation of its end is hooked on the protrusion position of lock bridge ［ 1 ］, makes locking bolt ［ 2b ］ braking, backswing voluntarily.When needing the locking lock, rotate trigger piece ［ 8 ］, make the clasp joint of its releasing earlier, continue then to pull, until making locking bolt ［ 2b ］ locking to lock bridge ［ 1 ］.In this embodiment, should go out groove and crimp on the lock bridge ［ 1 ］, shown in the sectional drawing among Figure 14 a in order to gain in strength.

As shown in figure 15, using connector ［ 12 ］ and pin ［ 15 ］ to come also can adopt radial type locking bolt ［ 2b ］ in the design scheme in involution lock chamber ［ 3b ］.It requires to offer breach ［ K33 ］［ K34 ］ on connector ［ 12 ］ and pin ［ 15 ］ and inserts for locking bolt ［ 2b ］.And, preferably make the top of lock core courage ［ 6a ］ from the lockhole ［ K35 ］ of bottom, lock chamber ［ 3b ］, stretch out one section, thereby lock core tube ［ 6b ］ be fixed in the lock chamber ［ 3b ］.

Can the end be bent into ∪ shape, and offer a pair of ampuliform axis hole ［ K28 ］ as shown in Figure 16 with the hinged locking bolt ［ 2b ］ of lock bridge ［ 1 ］.The end that axis hole ［ K27 ］ is arranged of lock bridge ［ 1 ］ is inserted in the ∪ shape bending end of locking bolt ［ 2b ］.Two ends respectively have the axle ［ 25 ］ of a pair of groove ［ V26 ］ to be through in above-mentioned each axis hole ［ K27 ］［ K28 ］, and each of narrower place incision axle ［ 25 ］ that makes locking bolt axis hole ［ K28 ］ makes its location in the groove ［ V26 ］.When locking bolt ［ 2b ］ when swinging to locked position, the edge of lock bridge ［ 1 ］ just props up the bottom of the ∪ shape bending end of locking bolt, axle ［ 25 ］ can not be moved down and take out, thereby reach the pick-proof purpose.

Opposite with last example, an end of lock bridge ［ 1 ］ also can be bent into ∪ shape, and makes a pair of inverted doleiform axis hole ［ K27 ］ (seeing Figure 17).The end that axis hole ［ K28 ］ is arranged of locking bolt ［ 2b ］ inserts lock bridge ［ 1 ］ bending end.Having the axle ［ 25 ］ of two pairs of grooves ［ V26 ］ to penetrate each axis hole ［ K27 ］［ K28 ］ back is blocked by lock bridge ［ 1 ］.When locking bolt ［ 26 ］ when swinging to locked position, locking bolt ［ 2b ］ props up lock bridge ［ 1 ］, make axle ［ 25 ］ can not on move and take out, thereby reach the pick-proof purpose.

Consider that the method that adopts big extension spring to pull back automatically and brake locking bolt has become a kind of tradition, meet people's use habit, therefore, in the utility model, the locking bolt of cross-under in the series connection groove of lock bridge also can rely on big extension spring to come self-return and braking.As shown in figure 18, big extension spring ［ H36 ］ places the back of lock bridge ［ 1 ］, and is passed through by the sealing of a drain pan of setting up ［ 37 ］ formation.Drain pan ［ 37 ］ is by rivet ［ 31 ］ and lock bridge ［ 1 ］ riveted.In this example, the polyphone groove on the lock bridge ［ 1 ］ is slightly different with aforementioned several forms, and shown in the sectional drawing among Figure 18, the cross section of its trench portions is L-shaped.Trigger piece ［ 8 ］ is riveted on the locking bolt ［ 2b ］.

Claims

1, a kind of bicycle lock, its component comprise locking bolt [2], lock core element [6] and making with metal sheet

Shape lock bridge [1] is characterized in that:

(1) end of locking bolt [2] and lock bridge [1] cross-under or hinged, the other end has recess [V5];

(2) lock bridge [1] one end is connected with a lock chamber [3] made from metal sheet;

(3) lock core element [6] is placed in the lock chamber [3];

(4) be inserted in the lock chamber [3] by the end that recess [V5] is arranged of the locking bolt [2] of lock core element [6] locking, hinder lock chamber [3] two walls open from and the moving of lock core element [6].

2, the bicycle lock of describing as claim 1 is characterized in that, lock chamber ［ 3 ］ is the part of lock bridge ［ 1 ］.

3, the bicycle lock of describing as claim 1 is characterized in that, of lock bridge ［ 1 ］

Lock chamber ［ 3 ］ is inserted and be stuck in the shape end In the shape cavity.

4, the bicycle lock of describing as claim 1 is characterized in that, porose ［ K19 ］ of lock bridge ［ 1 ］ or the end of breach ［ K23 ］ are inserted in the lock chamber ［ 3 ］.

5, the bicycle lock of describing as claim 2 is characterized in that, the cross section in lock chamber ［ 3a ］ is

Shape, porose ［ K4 ］ or breach ［ K29 ］ on its two overlapped folded walls, these holes ［ K4 ］ or breach ［ K29 ］ back and lock core element ［ 6 ］ interlocking can be passed in the end that recess ［ V5 ］ is arranged of locking bolt.

6, the bicycle lock of describing as claim 2, it is characterized in that, the cross section in lock chamber ［ 3b ］ is Contraband shape, its two walls end porose ［ K13 ］, the end clasp joint of chamber ［ 3b ］ two walls will be locked in the hole ［ K13 ］ that two ends have the connector ［ 12 ］ of hook formation to pass lock two wall ends, chamber, hole ［ K14 ］ or breach ［ K33 ］ back and lock core element ［ 6 ］ interlocking on the connector ［ 12 ］ passed in the end that recess ［ V5 ］ is arranged of locking bolt, and hinders the activity of connector ［ 12 ］.

7, the bicycle lock of describing as claim 4 is characterized in that, the hole of lock bridge end ［ K19 ］ or breach ［ K23 ］ are on bending side ［ 18 ］, and the cross section in lock chamber ［ 3c ］ is

Shape, on its two overlapped folded walls porose ［ k4 ］, the end that recess ［ V5 ］ is arranged of locking bolt can be passed the hole ［ K4 ］ on the overlapping wall of locking the chamber successively, and the hole ［ K19 ］ on the lock bridge end bending side ［ 18 ］ or breach ［ K23 ］ back and lock core element ［ 6 ］ interlocking.

8, the bicycle lock of describing as claim 4, it is characterized in that, lock cross section, chamber ［ 3d ］ is Contraband shape, its two walls end porose ［ K13 ］, two ends have the connector ［ 12 ］ of hook formation to hook the hole ［ K13 ］ of lock two wall ends, chamber from inside to outside, a bending side ［ 18 ］ of lock bridge end is close to connector ［ 12 ］ and is through in one or two hole ［ K13a ］ of locking chamber ［ 3d ］ wall end, and the end that recess ［ V5 ］ is arranged of locking bolt is passed hole ［ K14 ］ and the back, the hole ［ K19 ］ on the bending side of lock bridge end and lock core element ［ 6 ］ interlocking on the connector successively.

9, the bicycle lock of describing as claim 4, it is characterized in that, two place's hooked edge of a bending side ［ 18 ］ of lock bridge ［ 1 ］ end have been hooked the hole ［ K13 ］ of two wall ends, lock chamber ［ 3d ］ from inside to outside in the cross section is the lock chamber ［ 3d ］ of Contraband shape, and are supported the location by lock core element ［ 6 ］.

10, the bicycle lock of describing as claim 4, it is characterized in that, lock cross section, chamber ［ 3d ］ is Contraband shape, its two walls end porose ［ K13 ］, two ends have the connector ［ 12 ］ of hook formation to pass the hole ［ K19 ］ or the breach ［ K23 ］ of lock bridge end, and the hole ［ V13 ］ that is hooked in lock two wall ends, chamber ［ 3d ］ is along last, and hole ［ K14 ］ on the connector or breach ［ K33 ］ back and lock core element ［ 6 ］ interlocking are passed in the end that recess ［ V5 ］ is arranged of locking bolt, and hinder the activity of connector ［ 12 ］.

11, the bicycle lock of describing as claim 6 is characterized in that, connector ［ 12 ］ is hooked on the hole ［ K13 ］ of the two wall ends of locking the chamber from inside to outside, and is supported the location by lock core element ［ 6 ］.

12, the bicycle lock of describing as claim 6, it is characterized in that, the pin ［ 15 ］ of ［ K16 ］ with holes or breach ［ K34 ］ is close to the hole ［ K13 ］ that connector ［ 12 ］ passes lock two wall ends, chamber ［ 3b ］, make connector ［ 12 ］ location, hole ［ K14 ］ or the hole ［ K16 ］ on breach ［ K33 ］ and the pin or breach ［ K34 ］ back and lock core element ［ 6 ］ interlocking on the connector passed in the end that recess ［ V5 ］ is arranged of locking bolt.

13, the bicycle lock of describing as claim 10 is characterized in that, connector ［ 12 ］ is hooked on the hole ［ K13 ］ of lock two wall ends, chamber from inside to outside, and is supported the location by lock core element ［ 6 ］.

14, the bicycle lock of describing as claim 10, it is characterized in that, the pin ［ 15 ］ of ［ K16 ］ with holes or breach ［ K34 ］ is close to hole ［ K19 ］ or the breach ［ K23 ］ that connector ［ 12 ］ is through the lock bridge end, and in the hole ［ k13 ］ of lock two wall ends, chamber, make connector ［ 12 ］ location, hole ［ K14 ］ or the hole ［ K16 ］ on breach ［ K33 ］ and the pin or breach ［ K34 ］ back and lock core element ［ 6 ］ interlocking on the connector passed in the end that recess ［ V5 ］ is arranged of locking bolt.

15, the bicycle lock of describing as one of claim 1～14 is characterized in that, the groove ［ V1 ］ of plurality of sections along same circular arc serial connection arranged on the lock bridge ［ 1 ］, and the locking bolt of arc ［ 2a ］ can slide in the curved channel that each section groove ［ V1 ］ surrounds jointly.

16, the bicycle lock of describing as one of one of claim 1～6 or 8～14, it is characterized in that, one of locking bolt ［ 2b ］ has the end of axis hole ［ K28 ］ to have the end of axis hole ［ K27 ］ hinged by the axle ［ 25 ］ of fluted ［ V26 ］ and of lock bridge ［ 1 ］, behind the lock locking, groove ［ V26 ］ structure on the axle ［ 25 ］ of utilizing locking bolt ［ 2b ］ and lock bridge ［ 1 ］ hinders moving of axle ［ 25 ］ jointly, make locking bolt ［ 2b ］ and lock bridge ［ 1 ］ keep being connected, and after lock was opened, this axle ［ 25 ］ can be separated locking bolt ［ 2b ］ and lock bridge ［ 1 ］.

17, bicycle lock as claim 16 description, it is characterized in that, the hinged end that axis hole is arranged of locking bolt ［ 2b ］ is that the cross section is the bending joint of ∪ shape, an axis hole ［ k28 ］ is respectively arranged on two walls of this bending joint, insert in the bending joint of locking bolt the end that axis hole ［ k29 ］ is arranged of lock bridge ［ 1 ］, the axle of fluted ［ 26 ］［ 25 ］ is through in above-mentioned three axis holes ［ K27 ］［ K28 ］, behind the lock locking, the end of lock bridge ［ 1 ］ props up the inner bottom surface of the bending joint of locking bolt ［ 2b ］, and, two axis holes ［ K28 ］ on the bending joint of locking bolt ［ 2b ］ are stuck in the groove ［ V26 ］ of axle ［ 25 ］, make axle ［ 25 ］ fixing.

18, bicycle lock as claim 16 description, it is characterized in that, the hinged end that axis hole ［ K27 ］ is arranged of lock bridge ［ 1 ］ is the bending joint that the cross section is ∪ shape, one axis hole ［ K27 ］ is respectively arranged on two walls of this bending joint, insert in the bending joint of lock bridge ［ 1 ］ end that axis hole ［ K28 ］ is arranged of locking bolt ［ 2b ］, the axle of fluted ［ V26 ］［ 25 ］ is through in above-mentioned three axis holes ［ K27 ］［ K28 ］, behind the lock locking, the edge of locking bolt ［ 2b ］ props up the inner bottom surface of the bending joint of lock bridge ［ 1 ］, and, two axis holes ［ K27 ］ on the bending joint of lock bridge ［ 1 ］ are stuck in the groove ［ V26 ］ of axle ［ 25 ］, make axle ［ 25 ］ fixing.

19, the bicycle lock of describing as claim 16, it is characterized in that, one end and the locking bolt ［ 2b ］ of a trigger piece ［ 8 ］ that is subjected to spring ［ H32 ］ effect are hinged, after lock is opened, lock bridge ［ 1 ］ is hooked or propped up in the end of this trigger piece ［ 8 ］ under spring ［ H32 ］ effect, hinder the voluntarily swing of locking bolt ［ 2b ］ to lock core element ［ 6 ］ direction.

20, the bicycle lock of describing as claim 15, it is characterized in that, one end and the locking bolt ［ 2a ］ of a trigger piece ［ 8b ］ that is subjected to spring ［ H9 ］ effect are hinged, after lock is opened, the end hook of this trigger piece ［ 8b ］ or on the edge of lock bridge ［ 1 ］, hinder locking bolt ［ 2a ］ to lock core element ［ 6 ］ direction from line slip.