CN2818285Y - Assembled lock on head of bicycle - Google Patents

Abstract

The utility model relates to a combined theft-proof lock for a bicycle head, which comprises a fixed lock and a chain lock, wherein the fixed lock is provided with a lock body, a stopping component and a locking nut. A main lock tongue hole, a chain lock hole, a lock core hole and an auxiliary lock tongue which can simultaneously and levelly move together with a main lock tongue in the same direction are arranged in the lock body. The stopping component is connected with the lock body and comprises a bearing bowl, a bearing, a stopping ring and a washer, wherein the inner and the outer peripheral surfaces of stopping ring are respectively provided with axial ribs; a front fork penetrates the stopping component and is capable of rotating correspondingly to the bearing bowl and a front fork sleeve; the locking nut is matched with outer screw threads on the front fork to lock and position the stopping ring, etc. The chain lock comprises a lock ring, a lock head and a wire rope through which the lock ring and the lock head are connected, wherein the lock head is inserted into the chain lock hole after penetrating a front wheel and the lock ring. The stopping ring and the lock head are locked after the main and the auxiliary lock tongues are extended out from the interior of each lock tongue hole, the front fork and a front fork sleeve pipe are locked to prevent the relative rotation, and the front wheel is locked. The utility model has the advantages of good theft-proof performance and strong applicability, and the utility model can be directly arranged without improving the front fork structure of the existing bicycle.

Description

Bicycle headstock combination anti-theft column lock

Technical field

The utility model relates to a kind of anti-theft lock for bicycle, specifically is a kind of bicycle headstock combination anti-theft column lock.

Background technology

At present, commercially available bicycle lock has various forms, and the most frequently used lock is that vehicle frame separates with the bicycle main body all, during use lock is fixed on the car body, pins wheel with lock and makes it and can not rotate.But traditional bicycle lock is a purpose to pin wheel just only, and lock is two objects that separate with car body, and the robber can promote bicycle as long as lock is made a mess of such as cutting off, and reaches the purpose of stealing car.Thereby, the larceny that can not contain the car thief fine and effectively.

In addition, a kind of anti-theft bicycle head lock is disclosed such as Chinese utility model patent ZL01212262.9, this head lock and bicycle are combined into one, front fork sleeve and front fork same position place when headstock is made unidirectional maximum rotation point have pin hole respectively, built-in lock is installed in the pin hole place, and by lock core push rod control latch turnover pin hole, can stuck headstock after locking.The car thief has also damaged car body if will steal car when destroying lock.Thereby compare with aforementioned prior art, can play better antitheft effect, and simple in structure.But need car owner oneself to open pin hole on front fork sleeve and front fork, install loaded down with trivial detailsly, applicability is not strong.

For another example, China utility model patent ZL200420040556.5 discloses another kind of bicycle headstock anti-theft column lock, its be installed in bicycle with front fork sleeve bonded assembly lower inclined beam in, hole with the lower inclined beam concentric is arranged on front fork and front fork sleeve, lock core exposes from the left side of lower inclined beam, rotation by lock core drives the dead bolt motion, under the natural left bevelled state of bicycle headstock, when an end of dead bolt reaches in the hole of front fork, the front fork of bicycle just can not rotate, and anti-theft column lock is just realized the lock car.But the complex structure of this anti-theft column lock is installed trouble, and can not be pinned wheel simultaneously, and anti-theft effect is not fine.

Above-mentioned existing anti-theft lock for bicycle all comes with some shortcomings, and requires further improvement.

The utility model content

In order to solve the problem that above-mentioned prior art exists, overcome its defective, the utility model provides a kind of bicycle headstock combination anti-theft column lock, it can not only pin front fork securely can also pin front-wheel simultaneously, theftproof performance is good, and install easily, need not structure to existing any kind bicycle and change or transform and get final product direct mount, applicability is strong.

Bicycle headstock combination anti-theft column lock of the present utility model comprises a pin and a chain lock.Wherein, pin is installed in the top of front fork sleeve pipe, is used for front fork and the locking of front fork sleeve pipe prevent that both from relatively rotating, and chain lock are connected on the pin after passing front-wheel, is used for front-wheel is pinned, and prevents that front-wheel from rotating.

Described pin comprises a lock body, a stop assembly and a jam nut.

Be provided with a main dead bolt hole, a chain lock lockhole and a lock core hole in the described lock body, but the main dead bolt of translation is housed in the main dead bolt hole, lock core is housed in the lock core hole.The end of lock core in lock body flexibly connects (such as being connected with this toggle mechanism by an eccentric block on this end end face of lock core) with a toggle mechanism.The rear end of main dead bolt sets firmly a slurcam.Also be provided with in the lock body one with the main dead bolt secondary dead bolt of cocurrent and parallel translation simultaneously.Be installed with a manual push button that can be promoted by level on the main dead bolt, push button is connected with main dead bolt by a minor axis.Lock body also is provided with a lock body ring to stop assembly one side horizontal-extending.

Preferably, be respectively equipped with the spring that dead bolt is separately resetted in described main dead bolt and the secondary dead bolt.

Preferably, described toggle mechanism is a shifting block, and the front end of shifting block is provided with a square groove.

Described stop assembly comprises a cup, a bearing, a stopper ring, a packing ring and one first seal cover cap.Wherein, the upper end suit of cup also is fixed on the lower inner surface of lock body ring, is formed with a step in the cup and is used to place bearing.The cylindric stopper ring that cooperates with it is installed on bearing.The stopper ring inner peripheral surface is provided with a primary shaft to fin, is evenly equipped with many second axial fins on the outer circumference surface, is formed with groove between the second adjacent axial fin.Upper surface at stopper ring is provided with packing ring.First seal cover cap is set above packing ring.Front fork passes from this stop assembly center.

Described jam nut is located at first seal cover cap top, cooperates with outside thread on the front fork and tightens, and is used for correct location is locked and made it to first seal cover cap, packing ring and stopper ring.On jam nut, also be provided with one second seal cover cap, play the effect of dustproof and anti-rainwater.

Described chain lock comprises a lock ring, a tapered end and the cable wire cover with lock ring and tapered end bonded assembly cable wire and coating cable wire.Tapered end passes interior realization of chain lock lockhole that is inserted on the pin behind front-wheel and the lock ring and locks.

Preferably, described cup forms one by upper and lower two sections different circular sleeves of diameter, and the diameter of epimere sleeve is greater than the diameter of hypomere, and forms a step in the junction of two sections sleeves.

Preferably, the internal diameter of described packing ring is identical with the internal diameter of stopper ring.Also can be provided with a fin on the inner peripheral surface of packing ring.

Preferably, have annular engagement groove and backstop boss on the tapered end.

Preferably, near the cable wire the tapered end puts and is set with a plastic jacket, is convenient to grasp this plastic jacket open and close chain lock during use.

Preferably, near the cable wire the lock ring puts and is set with a cassette lock, and this lock can put rotation at cable wire, preferably can not axially move along the cable wire cover.Described cassette is locked in and is provided with a pressing tablet with holes in its lock body, in the hole of tapered end being inserted on lock body and the pressing tablet after, pressing tablet goes out in the engagement groove that promptly is stuck on the tapered end at the effect end micro stretching of spring.

According to top description as can be known, bicycle headstock combination lock of the present utility model has following advantage:

1. not only can pin front fork and front fork sleeve securely, prevent that both from relatively rotating, can also pin front-wheel simultaneously, theftproof performance is good;

2. install easily, need not structure to existing any kind bicycle and change or transform and get final product direct mount, applicability is strong;

3. use flexibly, can only select utilize pin to pin front fork and front fork sleeve, equally can safe antitheft;

4. need not lock under the situation of wheel in the normal walking of bicycle, can utilize the cassette lock that the chain lock folding is good, be easy to carry;

5. simple in structure, low cost of manufacture.

Description of drawings

Fig. 1 is the running condition scheme drawing of the utility model bicycle headstock combination anti-theft column lock;

Fig. 2 is the longitudinal section of the pin in the bicycle headstock combination anti-theft column lock in opening;

Fig. 3 is the cross-sectional plane upward view of Fig. 2;

Fig. 4 is the longitudinal section of the pin in the bicycle headstock combination anti-theft column lock at locking state;

Fig. 5 is the cross-sectional plane upward view of Fig. 4;

Fig. 6 (a) and (b) and the front elevation, lateral plan and the birds-eye view that (c) are respectively the shifting block of Fig. 2 and pin shown in Figure 3;

The front elevation of its shifting block when Fig. 7 is in locking state for Fig. 4 and pin shown in Figure 5;

Fig. 8 is a pin from the location diagram of locking state shifting block and slurcam when the opening transition;

Fig. 9 is the transparent view of the chain lock in the bicycle headstock combination anti-theft column lock;

Figure 10 is the section drawing along the cross section X-X of Fig. 9;

Figure 11 is the running condition figure of the chain lock in the bicycle headstock combination anti-theft column lock.

Among the figure:

100-pin 200-chain lock

1-front fork sleeve pipe 2-cup 3-bearing 4-lock body ring

The 5-stopper ring 6-packing ring 7-first seal cover cap 8-jam nut

The 9-second seal cover cap 10-minor axis 11-push button 12-master dead bolt

The secondary dead bolt 14-of 13-chain lock lockhole 15-lock core hole 16-lock ring

17-cassette lock 18-pressing tablet 19-spring 20-cable wire cover

21-cable wire 22-backstop boss 23-plastic jacket 24-tapered end

25-lock body 26-stop assembly 27-lock core 28-front fork

The 29-primary shaft is to the fin 30-second axial fin 31-groove 32-engagement groove

33-master's dead bolt hole 34-shifting block 35-slurcam 36-square groove

37-shifting block spring 38-groove

The specific embodiment

Below in conjunction with accompanying drawing, the specific embodiment of bicycle headstock combination anti-theft column lock of the present utility model is done further detailed description.

As shown in Figure 1, bicycle headstock combination anti-theft column lock of the present utility model comprises a pin 100 and a chain lock 200, and chain lock 200 can be connected on the pin 100.Wherein, pin 100 is installed in the top of front fork sleeve pipe 1, be used for front fork 28 and the 1 relative locking of front fork sleeve pipe are prevented that both from relatively rotating, and chain lock 200 is used for front-wheel is pinned, and prevents that front-wheel from rotating.One end of chain lock 200 is tapered end 24 (Fig. 9), and the other end is a lock ring 16, and tapered end 24 passes front-wheel and lock ring 16 successively and is inserted in the chain lock lockhole 14 on the pin 100 again and is locked, and realizes interconnecting of pin 100 and chain lock 200.

Fig. 2 and Fig. 3 are respectively the longitudinal section and the cross-sectional plane upward view thereof of the pin in the combination anti-theft column lock, and wherein pin is in opening.As shown in the figure, pin 100 comprises lock body 25, stop assembly 26 and jam nut 8.

Be provided with a main dead bolt hole 33, a chain lock lockhole 14 and a lock core hole 15 in the described lock body 25, but the main dead bolt 12 of translation is housed in the main dead bolt hole 33, be used to insert the tapered end 24 of chain lock 200 in the chain lock lockhole 14, lock core 27 is housed in the lock core hole 15.End end face in lock body of lock core 27 is provided with an eccentric block (not shown), and a shifting block 34 flexibly connects with this eccentric block.Also be provided with a secondary dead bolt 13 with main dead bolt 12 parallel translations in the lock body 25.The rear end of main dead bolt 12 is installed with a slurcam 35.The rear end of secondary dead bolt 13 is resisted against on this slurcam 35.During main dead bolt 12 translations, the slurcam 35 by its rear end drives the translation in the same way simultaneously together of secondary dead bolt 13.The upper surface of main dead bolt 12 also is installed with a manual push button 11 that can be promoted by level, and push button 11 is connected with main dead bolt 12 by a minor axis 10.Be respectively equipped with the spring that dead bolt is separately resetted in main dead bolt 12 and the secondary dead bolt 13, as shown in Figures 2 and 3.

Lock body 25 also is provided with a lock body ring 4 to stop assembly 26 1 side horizontal-extendings.

Described stop assembly 26 comprises a cup 2, bearing 3, stopper ring 5, a packing ring 6 and one first seal cover cap 7.Wherein, cup 2 is sleeved in the lower inner surface of lock body ring 4, and captive joint with the lower inner surface of lock body ring 4 in the upper end of cup 2, such as welding.Cup 2 forms one by upper and lower two sections different circular sleeves of diameter, and the diameter of epimere sleeve is greater than the diameter of hypomere, and forms a step in the junction of two sections sleeves.

Place described bearing 3 on the step of cup 2, described stopper ring 5 is loaded on the bearing 3, and the lower end of stopper ring 5 cylindraceous cooperates with bearing 3.Stopper ring 5 inner peripheral surfaces are provided with a primary shaft to fin 29, also are evenly equipped with 6～12 second axial fins 30 on the outer circumference surface, are formed with groove 31 between the second adjacent axial fin 30.Just in time stretch into after above-mentioned main dead bolt 12 stretches out in the dead bolt hole in one of them groove 31 and therefore stopper ring 5 is pinned.

Upper surface at stopper ring 5 is provided with described packing ring 6, and the internal diameter of packing ring 6 is identical with the internal diameter of stopper ring 5.Also can be provided with a fin (not shown) on the inner peripheral surface of packing ring 6.

Described first seal cover cap 7 is set above packing ring 6, and the center of seal cover cap 7 is a through hole, passes for front fork.Seal cover cap 7 circumferential peripheries just in time fasten with lock body.

Described jam nut 8 is located at the top of first seal cover cap 7, by cooperating with outside thread on the front fork and tightening, is used for above-mentioned first seal cover cap 7, packing ring 6 and stopper ring 5 lockings and makes it correct location.At last, on jam nut 8, also be provided with one second seal cover cap 9, play the effect of dustproof and anti-rainwater.Seal cover cap 9 can be made of plastics.

When installing and fixing lock, first hypomere sleeve with cup inserts in the front fork sleeve and forms does not between the two have flush fit in relative rotation, other each element of stop assembly is installed successively again, allow front fork from stop assembly, pass, and make the primary shaft on the stopper ring inner peripheral surface snap on the front fork in the existing axial groove to fin, so that stopper ring can only rotate simultaneously with front fork, prevent to relatively rotate.At last, screw jam nut, cover second seal cover cap.

Fig. 4 and Fig. 5 are respectively the longitudinal section and the cross-sectional plane upward view thereof of the pin in the bicycle headstock combination anti-theft column lock, and this moment, pin was in locking state.Here, pin is realized that the concrete principle and the course of action of locking are described below.

As shown in the figure, when along continuous straight runs promotes push button 11 (by direction as shown to the right), minor axis 10 drives main dead bolt 12 to right translation, and the slurcam by main dead bolt 12 rear ends 35 drives the translation in the same way simultaneously together of secondary dead bolt 13, main dead bolt 12 and secondary dead bolt 13 stretch out in dead bolt hole separately, at this moment, main dead bolt 12 and secondary dead bolt 13 stretch into respectively in the groove 31 and chain lock lockhole 14 of stopper ring 5, and the tapered end 24 with stopper ring 5 and chain lock pins respectively.And when lock core 27 rotates round about, drive main dead bolt 12 and 13 withdrawals of secondary dead bolt by shifting block 34, with tapered end 24 releases of stopper ring 5 and chain lock.

Fig. 6 (a) and (b) and the front elevation, lateral plan and the birds-eye view that (c) are respectively the shifting block 34 of Fig. 2 and pin shown in Figure 3.Eccentric block on the lock core one end end face just is sleeved in the square groove 36 of these shifting block 34 front ends, and the rear end of shifting block 34 is embedded with spring 37 in vertical direction.The top, middle part of shifting block 34 also is provided with a groove 38.

Fig. 7 is the front elevation of Fig. 4 and pin shown in Figure 5 its shifting block when being in locking state.As shown in the figure, when pin was in locking state (referring to Fig. 4 and Fig. 5), the slurcam 35 of pin rear end just was stuck in the groove 38 at shifting block 34 middle parts.

Fig. 8 is a pin from the location diagram of locking state shifting block 34 and slurcam 35 when the opening transition.When the counter-rotation lock core, the eccentric block of lock core one end drives shifting block 34 translations (pressing Fig. 2-5 to left) by square groove 36, and slurcam 35 withdraws from from groove 38 under the booster action of main dead bolt medi-spring gradually, until the rear end that retreats to shifting block 34 fully.At this moment, main dead bolt and secondary dead bolt be withdrawal fully, removes the locking to stopper ring and chain lock tapered end.

Fig. 9, Figure 10 and Figure 11 are respectively transparent view, X-X section drawing and the running condition figure of chain lock in the utility model anti-theft column lock.As shown in the figure, chain lock 200 comprises that a lock ring 16, tapered end 24 and one are with lock ring 16 and tapered end 24 bonded assembly cable wires 21 with coat the plastics cable wire cover 20 of cable wire 21.

Preferably, have annular engagement groove 32 and backstop boss 22 on the tapered end 24.

Preferably, be set with a plastic jacket 23 near the cable wire cover 20 the tapered end 24.Be convenient to grasp this plastic jacket 23 switch chain locks during use.

Preferably, be set with a cassette lock 17 near the cable wire cover 20 the lock ring 16, this lock can overlap on 20 at cable wire and rotate, and preferably can not overlap 20 along cable wire and move axially.

Described cassette lock 17 is provided with a pressing tablet with holes 18 in its lock body, the hole of pressing tablet 18 is identical with hole size on the lock body basically and align mutually.Need not lock under the situation of wheel in the normal walking of bicycle, can be the chain lock folding is good by this cassette lock 17, so that carry.At this moment, referring to Fig. 4 and Fig. 6, only with hand refers to push pressing tablet 18, pressing tablet 18 overcomes the effect indentation lock body of lock body inner spring 19, in the hole on tapered end 24 insertion lock bodies and the pressing tablet 18, unclamp finger, pressing tablet 18 goes out at the effect end micro stretching of spring 19, be stuck in the engagement groove 32 on the tapered end 24, thereby tapered end is clamped on (Fig. 6) in the hole.

Using method to bicycle headstock combination anti-theft column lock of the present utility model is briefly described below.

At first, the tapered end 24 of chain lock 200 is passed front-wheel and lock ring 16 successively to be inserted in the chain lock lockhole 14 on the pin 100 again, then, level promotes push button 11, drive main dead bolt 12 and secondary dead bolt 13 and stretch out in dead bolt hole separately, main dead bolt 12 snaps in the corresponding recesses 31 on the stopper ring 5, with stopper ring 5 lockings, simultaneously, secondary dead bolt 13 snaps in the engagement groove 32 of tapered end 24.Like this, both utilized pin 100, and do not allowed to relatively rotate, and utilized chain lock 200 that front-wheel is pinned again, prevented the front-wheel running front fork and front fork sleeve locking.When unblanking, only need rotational lock core 27 round about, drive main dead bolt 12 and 13 withdrawals of secondary dead bolt, remove locking state respectively to stopper ring 5 and tapered end 24, make front fork 28 and stopper ring 5 to relatively rotate with respect to front fork sleeve 1 by bearing 3, front-wheel also can rotate, and bicycle can normally be walked.

Though preferred embodiment is described in detail and illustrates that the utility model is not limited thereto.Should be known in that those skilled in the art can carry out numerous modifications and variations under the condition that does not deviate from spirit of the present utility model and principle, and do not break away from it by protection domain that claims limited.

Claims (10)

1. a bicycle headstock combination anti-theft column lock comprises a pin and a chain lock, and wherein, pin is installed in the front fork cannula tip and cooperates with front fork, and chain lock passes front-wheel and is connected on the pin, it is characterized in that:

Described pin comprises a lock body, a stop assembly and a jam nut, wherein:

Be provided with the lock core hole of a main dead bolt hole, a chain lock lockhole and a Built-in lock core in the described lock body, but the main dead bolt of translation is housed in the main dead bolt hole, also be provided with in the lock body one with the main dead bolt secondary dead bolt of cocurrent and parallel translation simultaneously, be installed with a manual push button that can be promoted by level on the main dead bolt, lock body is provided with a lock body ring towards stop assembly one side horizontal-extending;

Described stop assembly comprises a cup, a bearing, a stopper ring, a packing ring and one first seal cover cap, wherein, the upper end of cup is sleeved on the lower end of lock body ring regularly, place bearing in the cup, the stopper ring that cooperates with it is housed on bearing, the inner peripheral surface of stopper ring is provided with primary shaft to fin, uniform many second axial fins on the outer circumference surface, form groove between the adjacent second axial fin, upper surface at stopper ring is provided with packing ring, and first seal cover cap is set above packing ring;

Described jam nut is located on first seal cover cap, cooperates with outside thread on the front fork and with first seal cover cap, packing ring and stopper ring locking positioning;

Described chain lock comprises a lock ring, tapered end and one with lock ring and tapered end bonded assembly cable wire, and tapered end passes in the chain lock lockhole that inserts behind front-wheel and the lock ring on the pin and locked by secondary dead bolt.

2. anti-theft column lock according to claim 1, it is characterized in that: described cup forms one by upper and lower two sections different circular sleeves of diameter, the diameter of epimere sleeve is greater than the diameter of hypomere sleeve, and at step of the junction of two sections sleeves formation, described bearing is positioned on this step.

3. anti-theft column lock according to claim 1 and 2 is characterized in that: the inside end end face of described lock core is provided with an eccentric block, and this eccentric block and a toggle mechanism flexibly connect, and this toggle mechanism is connected with main dead bolt linkage ground.

4. anti-theft column lock according to claim 3 is characterized in that: described toggle mechanism is a shifting block, and the front end of this shifting block is provided with a square groove, and described eccentric block is arranged in this square groove.

5. anti-theft column lock according to claim 3 is characterized in that: the rear end of described main dead bolt sets firmly a slurcam, and the rear end of described secondary dead bolt is resisted against on this slurcam.

6. according to claim 1,2,4 or 5 described anti-theft column locks, it is characterized in that: the inner peripheral surface of described packing ring is provided with a fin.

7. according to claim 1,2,4 or 5 described anti-theft column locks, it is characterized in that: on described jam nut, also be provided with one second seal cover cap.

8. anti-theft column lock according to claim 1 and 2, it is characterized in that: be set with a cassette lock near the cable wire the described lock ring, be provided with a pressing tablet with holes and spring in its lock body, the tapered end of chain lock can insert in the hole of pressing tablet and be stuck under action of the spring.

9. anti-theft column lock according to claim 1 and 2 is characterized in that: be set with a plastic jacket near the cable wire the described tapered end.

10. anti-theft column lock according to claim 1 and 2 is characterized in that: described tapered end is provided with annular engagement groove and stop boss.

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