CN201567883U - Dual-function antitheft lock - Google Patents

Abstract

A dual-function antitheft lock belongs to a vehicle lock and comprises a lock shell, a lock core base, a lock core, a lock tongue, a number locking mechanism, a lock stem hinge base and a U-shaped lock stem; wherein, the lock shell is provided with a lock core base cavity, the top wall of the lock core base cavity is provided with a lock stem through hole, and the bottom wall thereof is provided with a key insertion slot hole, the middle of the lock shell forms a number lock slot cavity and the other end of the lock shell is provided with a lock stem base cavity; the lock core base is accommodated in the lock core base cavity; the lock core is arranged on a lock core base; the lock tongue is arranged in a lock tongue slot, an eccentric head slot is machined on the lock tongue, one end of the lock tongue slot is provided with a lock stem insertion hole and the other end thereof is provided with a key slot and a lock shaft hole, and one end of the lock tongue is provided with a lock shaft brake flange; the number locking mechanism is arranged in the number lock slot cavity; the lock stem hinge base is arranged in the lock stem base cavity; one end of the U-shaped lock stem is assembled with the lock stem insertion hole through insertion and the other end is hinged with the lock stem hinge base. The dual-function antitheft lock enables the lock core to be in effective protection state, has ideal safety and protection effects, has simple structure, ensures the code to be adjusted and changed by vehicle owners as needed.

Description

Double-function antitheft lock

Technical field

The utility model belongs to the vehicle lock technical field, is specifically related to a kind of double-function antitheft lock, is applied on the vehicle of motorcycle, battery truck, pedicab, disabled person's car and even bicycle and so on.

Background technology

In order to avoid the stolen of vehicle as much as possible, except the lockset that on vehicle, carries, also need additionally add for example lockset of ring lock, inserted link lock (U-shaped lock stalk) and so on of various lockset usually.But facts have proved that this setting up defences only is a kind of psychological self confort, can not really play effectively the anti-theft effect that phase of making us of preventing " person of low position " gets, need not to scruple and fear at all in the effect of present lock because have " person of low position " of essential distinction promptly to steal the person with gentleman.Keep an eye on stopping (pool) special messenger that assign in the parking lot with compensation, can yet be regarded as is a kind ofly can avoid or reduce the stolen useful act of vehicle effectively, can be seen in from the disclosed technical scheme that can prevent the parking apparatus that vehicle is stolen of Chinese utility model patent ZL200520076211.X this.But, the place of parking that the special messenger keeps an eye on only is suitable for some specific place such as busy street, market, supermarket, large-scale public place, hotel and wineshop etc., and the common situations that do not exist the special messenger to keep an eye on such as more place such as common neighbour, road, shop, residential district, therefore, stolen probability is very high.

Reason as known to the public because vehicle stolen becomes big public hazards of society, so people to satirize auto theft person be the fifth-largest public hazards outside the four big public hazards (mouse, cockroach, fly and mosquito).In view of this, China Ministry of Public Security has assigned the first half of the year in 2007 and has carried out the stolen instruction of regulation public vehicles in China, each provinces, municipalities and autonomous regions speed is promptly tackled (response), received gratifying effect, society's repercussion is good, the mistake yet the regulation as the violent storm is taken action, auto theft person relapses into one's old bad habit again, even more rampant.

The information that obtains from medium and public security department shows that causing the stolen main cause of vehicle is that theftproof lock falls short of the reality, and more particularly, many theftproof locks are just as deaf person's ear, belongs to deceiving oneself and defraud people's pendulum-type not.The knowledgeable people has constantly innovated various theftproof locks, can be seen in a large number in Chinese patent literature this, sorts out to mainly contain following four classes: the one, and pure mechanical anti-theft lock; The 2nd, the pure cipher theftproof lock; The 3rd, the mechanical theftproof lock that has both mutually with password; The 4th, mechanical lock adds warning device, coded lock adds warning device or mechanical lock adds warning device again with combining of coded lock.From the economy practical angle, pure mechanical lock occupies absolute advantage in above-mentioned four types lockset, but also has undeniable inferior position simultaneously, and that is exactly a function singleness, and the security insurance coefficient is low.The aforesaid second class lockset is that puzzle theft-proof lock can't resemble the bank card password and determined voluntarily by the car owner, but is preestablished by production firm, can't change, and is unfavorable for engraving on one's mind and selects flexibly.Also there is shortcoming in the lockset of aforesaid the 4th class, because the lock of warning function is subjected to the distance and the influence of environment usually, for example, when the car owner is outside tens meters or hundred meters on vehicle, even if it is also of no avail to report to the police, and for example when surrounding environment is noisy, even report to the police, the car owner also can't examine and know, moreover the weatherability extreme difference of warning device and fault rate height, promptly can lose function as in a single day meeting with and tanning by the sun or drench with rain, therefore can cause trouble to the car owner on the contrary, can be confirmed by the disclosed Clothoid type U of Chinese utility model patent notice of authorization CN2802011Y type inserted link alarming lock this.And aforesaid machinery was located more and more to be thought highly of by the public with the 3rd class lockset that password has both mutually in recent years, but there is following logical fraud in the lockset of the phase-locked combination of existing mechanical lock encrypted code: auto theft person sets about as the breach to lock core easily, this is that aforesaid CN2802011Y is exactly an illustration outside having no to be exposed to because of lock core with covering; Shortcoming that coded lock then exists aforesaid password freely to be selected by the car owner, even and can do freely to change, then also be trouble very.

Therefore, the applicant thinks and is necessary that lockset to mechanical lock in the prior art and the phase-locked compatibility of password is that the structure of double-function antitheft lock is improved, and uses remedying aforesaid deficiency, and technical scheme described below is based on producing under this situation.

Summary of the invention

Task of the present utility model is to provide a kind of and helps lock core implemented to cover to protect and use the difunctional coded lock that strengthens safety.

Task of the present utility model also is to provide a kind of to be of value to autonomous selected or change password and use the difunctional coded lock of conveniently remembering and promoting secret effect.

Task of the present utility model is finished like this, a kind of difunctional coded lock, comprise a lock housing, one end of this lock housing has the lock core base seat chamber of a sealing, offer a lock stalk through hole on the roof in this lock core base seat chamber, and offering the key inserting slot hole on the diapire, the middle part of lock housing constitutes a combination lock vallecular cavity, and the other end of lock housing has a lock stalk seat seat chamber; One lock core base is installed with in described lock core base seat chamber; One lock core is arranged on the lock core base rotationally, and the keyhole of this lock core is corresponding with described key inserting slot hole; One dead bolt, be configured in slidably in the lock tongue slot that is opened on the lock core base, offer an eccentric groove on the dead bolt, eccentric head on this off-centre groove and the lock core matches, the one end expansion of described lock tongue slot is provided with a lock stalk patchhole, and narrow the contracting of the other end has a keyway and a lock shaft hole, and the lock shaft hole is corresponding to the below of keyway, be extended with a lock shaft on the end face of one end of described dead bolt and activate bead, this lock shaft activates bead corresponding to described lock shaft hole; One number locking mechanism is located in the described combination lock vallecular cavity, matches with described dead bolt; One lock stalk hinged seat is located in the described lock stalk seat seat chamber, and connects mutually with described number locking mechanism; One U-shaped lock stalk, an end and the inserting mutually of described lock stalk patchhole, the other end and the hinged connection of described lock stalk hinged seat.

An also task of the present utility model is finished like this, described number locking mechanism comprises the lock shaft seat, the lock shaft flap, lock shaft, figure disc, number dial and spring, the lock shaft seat is located in the described combination lock vallecular cavity, one end of this lock shaft seat offers chute, the bottom expansion of chute is provided with a lock shaft through hole, lock shaft flap lid is put at an end of lock shaft seat and with described lock and is obstructed the hinged seat fixed connection, one end of lock shaft is corresponding to described lock shaft hole, and it is corresponding with described lock shaft actuating bead, the other end probes into the lock shaft through hole, be arranged at intervals with one group of locking key at the middle part of lock shaft, the number dial has one group, quantity equates with the quantity of described locking key, each number dial is nested with on described lock shaft, the central authorities of each number dial offer a lock keyway, lock keyway matches with described locking key, and constitute the dish tooth around the outer wall of each number dial, the quantity of figure disc equates with the quantity of number dial, each figure disc is nested with on the number dial, the number of the central authorities of figure disc is adjusted tooth and is matched with described dish tooth, external surface at each figure disc is provided with symbol, spring is contained in the described lock shaft through hole, one end contacts with described lock shaft flap, and an end in contact of the other end and described lock shaft.

In a specific embodiment of the present utility model, offer a reed trough on the described lock shaft seat, be provided with reed in the reed trough, reed contacts with described figure disc.

In another specific embodiment of the present utility model, the quantity of the symbol on the external surface of described each figure disc has ten.

In another specific embodiment of the present utility model, described symbol is for complying with tactic English alphabet, Arabic numerals or Roman number.

Also have in the specific embodiment of the present utility model, constituting one on the described diapire and at the position corresponding to described key insertion hole, to be used for that the end face of lock core is implemented the retaining that retaining protects prominent, dashes forward and make the shape of described key insertion hole curved by this retaining.

The technical scheme that the utility model is recommended is owing to be contained in lock core on the lock core base, and lock core base is taken lock core and is located in the lock core base seat chamber on the lock housing, thereby can make lock core be in the state of protecting that effectively covers, bad purpose person can't move apart lock core lock body, so have desirable security protection effect.Again, the structure of the number locking mechanism that provides is terse, can be adjusted and change password according to self needs by the car owner, has both helped memory, helps again to maintain secrecy.

Description of drawings

Fig. 1 is a specific embodiment structure chart of the present utility model.

Fig. 2 assembles the back sectional view for Fig. 1.

The specific embodiment

For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, the applicant general elaborates in conjunction with the accompanying drawings in the mode of embodiment below, but to the description of embodiment all is not restriction to the utility model scheme, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.

Please be referring to Fig. 1 and Fig. 2, a cuboid and for an end of the lock housing 1 of the manufacturing of metal material be illustrated left end constitute one except the face that the combination lock vallecular cavity 12 with lock housing 1 middle part communicates all the other each faces be the lock core base seat chamber 11 of sealing, on the roof 111 in this lock core base seat chamber 11, offer a lock stalk through hole 1111, on the diapire 112 in lock core base seat chamber 11, offer a key and insert through hole 1121.By shown in Figure 1, on diapire 112 and in that to be extended with the retaining of an ear-lobe shape corresponding to the position placed in the middle substantially in key inserting slot hole 1121 to the direction in key inserting slot hole 1121 prominent 1122, protect effect by this retaining 1122 retainings that play the lock core end face of dashing forward.The shape in aforesaid key inserting slot hole 1121 is curved, more particularly is banana-shaped.The other end in lock housing 1 is that illustrated left end constitutes a lock stalk seat seat chamber 13, cavity between aforesaid lock core base seat chamber 11 and lock stalk seat seat chamber 13 is a combination lock vallecular cavity 12, on the corresponding wall body in lock stalk seat seat chamber 13, respectively offer energy one rivet hole 131, is furnished with a rivet 1311 on each rivet hole 131, the top (roof) in lock stalk seat chamber 13 offers a lock stalk groove 132, and the passage (also can claim the space) of rotation is provided for U-shaped lock stalk 7 by this lock stalk groove 132.

In aforesaid lock core base seat chamber 11, be installed with lock core base 2, top at the length direction of lock core base 2 offers a lock tongue slot 21, one end of lock tongue slot 21 is that narrow the contracting of left end shown in Figure 1 has a keyway 212, bottom corresponding to keyway 212 is lock shaft hole 213, is that right-hand member shown in Figure 1 expands and is provided with a lock stalk patchhole 211 at the other end of lock tongue slot 21.One lock core 3 is contained in the lock core base hole default on the lock core base 2 (unallocated Reference numeral among the figure) rotationally, the keyhole 31 (Fig. 2 shows) of the lower surface of lock core 3 (is example with the shown position) is corresponding with aforesaid key insertion hole 1121, and the upper surface of lock core 3 has one eccentric 32, is insinuated in the lock tongue slot 21.One dead bolt 4 is arranged in the lock tongue slot 21 slidably, this dead bolt 4 towards under an end of one side constitute an eccentric groove 41, aforesaid off-centre 32 is arranged in this off-centre groove 41, be to be extruded with a lock shaft on the end face of illustrated left end to activate bead 42 at an end of dead bolt 4, this lock shaft activates bead 42 corresponding to aforesaid lock shaft hole 213, the other end of dead bolt 4 is that illustrated right-hand member constitutes dead bolt door bolt 43, and this dead bolt door bolt 43 is corresponding to lock stalk through hole 211.When inserting key insertion holes 1121 with key 8 and during to clockwise or counterclockwise turn, then order about lock core 3 by key 8 and rotate, and then drive dead bolts 4 by the off-centre of lock core 3 32, it is mobile to the left or to the right that dead bolt 4 is done lock tongue slot 21 in.When dead bolt door bolt 43 enters lock stalk patchhole 211, then to 7 lockings of U-shaped lock stalk, otherwise in like manner.

In aforesaid lock stalk seat seat chamber 13, plant and lock stalk hinged seat 6, after lock stalk hinged seat 6 is inserted in the lock stalk seat seat chamber 13, in the lock stalk rivet hole 721 of aforesaid rivet 1311 on rivet hole 131 rivetings and lock stalk bearing pin 72, thereby lock stalk hinged seat 6 was positioned in the lock stalk seat seat chamber 13, make the left end (Fig. 2 shows) of U-shaped lock stalk 7 hinged again with lock stalk hinged seat 6, rivet 1311 can guarantee that U-shaped lock stalk 7 is reliably hinged with lock stalk hinged seat 6, U-shaped lock stalk 7 is separated, unless malicious sabotage rivet 1311 with lock stalk hinged seat 6.Right-hand member (Fig. 2 shows) has a lock stalk lock slots 71, and lock stalk lock slots 71 matches with the dead bolt door bolt 43 of aforesaid dead bolt 4, specifically, after treating that U-shaped lock stalk 7 is inserted in lock stalk patchhole 211, when dead bolt door bolt 43 moves to right and inserts lock stalk lock slots 71, U-shaped lock stalk 7 is locked so, on the contrary then release.After lock stalk hinged seat 6 was assemblied in the lock stalk seat seat chamber 13, the lock stalk turning slot 61 on the lock stalk hinged seat 6 was corresponding with aforesaid lock stalk groove 132.

Please continue referring to Fig. 1 and Fig. 2, the number locking mechanism 5 that configuration the utility model is recommended in the aforesaid combination lock vallecular cavity 12, preferably but not the structure of the number locking mechanism 5 that definitely is limited to is as follows: a lock shaft seat 51 is arranged in the combination lock vallecular cavity 12, the section shape of the length direction of this lock shaft seat 51 is the L font, it is the part that left end is formed with a projection, left end at lock shaft seat 51 offers a chute 511, the bottom of chute 511 constitutes a lock shaft through hole 5111, and the other end at lock shaft seat 51 offers a reed trough 513, is equipped with a reed 512 at the length direction of reed trough 513.A lock shaft flap 52 covers the position with chute 511 of putting at lock shaft seat 51, promptly chute 511 lids are closed, the sidepiece of lock shaft flap 52 offers a fixing hole 521, with hold-down screw 5211 screw in the through hole 62 that defaults on the lock stalk hinged seat 6 and and then screw in fixing hole 521, thereby lock shaft flap 52 is fixing with lock stalk hinged seat 6.(the shown position shape is an example to the left end of one lock shaft 53, as follows) probe in the aforesaid lock shaft through hole 5111, and right-hand member corresponds in the aforesaid lock shaft hole 213, make the lock shaft actuating bead 42 of aforesaid dead bolt 42 corresponding with it, activate bead 42 by lock shaft and promote lock shafts 53, the central region of lock shaft 53 and on same straight line with the interval state constitute one group of locking key 531, in the present embodiment, the quantity of selecting locking key 531 is 6, and the spacing of each locking key 531 equates.Certainly, the quantity of locking key 531 can increase and decrease as required, therefore can not limit the utility model with the variation of this quantity.Because the applicant is defined as 6 with the quantity of locking key 531, therefore the quantity of a sets of numbers dial 55 and figure disc 54 also correspondingly respectively has 6.Aforesaid keyway 212 and chute 511 are corresponding with locking key.The central authorities of number dial 55 are processed with a lock keyway 551, and this lock keyway 551 obviously is used for matching with locking key 531, i.e. locking key 531 is keyed in the lock keyways 551, are processed with the dish tooth 552 of likeness in form gear on the dish edge of the outer wall of the dial 55 of number.Be processed with and coil the number adjustment tooth 541 that tooth 552 is complementary on the endoporus hole wall of figure disc 54, and carve on the dish edge of the outer wall of figure disc 54 if printing or be provided with symbol 542 with other similar fashion, in the present embodiment, constitute a group code 542 with Arabic numerals from 0-9, also can use English alphabet A-J certainly or use Roman character such as I, II, III etc.One spring 56 is arranged on the lock shaft seat 51, promptly is located in the lock shaft through hole 5111, and an end (left end) of this spring 56 is supported on the inwall of lock shaft flap 52, and the other end extend in the blind hole that the axle head of lock shaft 53 offers, and promptly is supported on the left end of lock shaft 53.

In the time will adjusting password, as long as corresponding symbol 542 on each figure disc 54 is adjusted to and lock keyway 551 corresponding to states.For example, previous symbol 42 on 6 figure discs 54 from left to right is respectively 1,2,3,4,5 and at 6 o'clock, shows that then this group code 42 corresponds respectively to 6 lock keyways 551 on the number dial 55, has only when satisfying this permutation and combination, lock shaft 53 ability move left and right, otherwise can't move.And will change the time, for example change to 1,8,8,9,1 and at 0 o'clock, so from left to right, successively these symbols 42 on each figure disc 54 are got final product corresponding to the lock keyway 551 on the corresponding number dial 55.The applicant mentions the time spent of doing of reed 512 in the above a group number code-disc 54 is made support, avoid figure disc 54 beats, by shown in Figure 1, length direction at reed 512 is concaved with reed trough 5121 at interval, projection between the adjacent reed trough 5121 contacts corresponding to figure disc 54 and with figure disc 54, because figure disc 54 has 6, so is divided into 6 projections by reed trough 5121 on the reed 512, each projection contacts with the surface of each figure disc 54.

The applicant sketches use of the present utility model according to Fig. 2 and in conjunction with Fig. 1, in the time will parking, and for of short duration park and vehicle when car owner's visual line of sight, can not use number locking mechanism 5 so, as long as U-shaped lock stalk 7 is inserted lock stalk patchhole 211, with key 8 turn lock cores 3, make lock core 3 rotations, off-centre 32 a drive dead bolt 4 by lock core 3 move to left, make dead bolt door bolt 43 door bolts of dead bolt 4 right-hand members and the lock stalk lock slots 71 on the U-shaped lock stalk 7, to drawing and 7 lockings of U-shaped on vehicle lock stalk, pull away key 8 and get final product.And if for parking for a long time and during vehicle derailing car owner's visual line of sight, except making above-mentioned lock out action, also needing a group number code-disc 54 is upset so.In this case, in the time will opening, if only by aforesaid rightabout turn key 8, then can't open, because lock shaft 53 can't activate bead 42 by the lock shaft on the dead bolt 4 and promote, have only when the lock keyway 551 on each number dial 55 corresponds to corresponding locking key 531 on the lock shaft 53 lock shaft 53 ability plaies left, therefore to stir figure disc 54 by the car owner earlier, make it consistent with a group code 42 that is provided with.In this case, when eccentric 32 drive dead bolt 4 moves to left, just activate bead 42 lock shaft 53 is promoted left by the lock shaft on the dead bolt 4, spring 56 compressions of this moment, while dead bolt door bolt 43 withdraws from lock stalk lock slots 71, realizes release.

Claims (6)

1. difunctional coded lock, it is characterized in that comprising a lock housing (1), one end of this lock housing (1) has the lock core base seat chamber (11) of a sealing, offer a lock stalk through hole (111) on the roof (111) in this lock core base seat chamber (11), and offer key inserting slot hole (1121) on the diapire (112), the middle part of lock housing (1) constitutes a combination lock vallecular cavity (12), and the other end of lock housing (1) has a lock stalk seat seat chamber (13); One lock core base (2) is installed with in described lock core base seat chamber (11); One lock core (3) is arranged on the lock core base (2) rotationally, and the keyhole (31) of this lock core (3) is corresponding with described key inserting slot hole (1121); One dead bolt (4), be configured in slidably in the lock tongue slot (21) that is opened on the lock core base (2), offer an eccentric groove (41) on the dead bolt (4), this off-centre groove (41) matches with eccentric (32) on the lock core (3), the one end expansion of described lock tongue slot (21) is provided with a lock stalk patchhole (211), and narrow the contracting of the other end has a keyway (212) and a lock shaft hole (213), lock shaft hole (213) is corresponding to the below of keyway (212), be extended with a lock shaft on the end face of one end of described dead bolt (4) and activate bead (42), this lock shaft activates bead (42) corresponding to described lock shaft hole (213); One number locking mechanism (5) is located in the described combination lock vallecular cavity (12), matches with described dead bolt (4); One lock stalk hinged seat (6) is located in the described lock stalk seat seat chamber (13), and connects mutually with described number locking mechanism (5); One U-shaped lock stalk (7), an end and the inserting mutually of described lock stalk patchhole (211), the other end and the hinged connection of described lock stalk hinged seat (6).

2. difunctional coded lock according to claim 1, it is characterized in that described number locking mechanism (5) comprises lock shaft seat (51), lock shaft flap (52), lock shaft (53), figure disc (54), number dial (55) and spring (56), lock shaft seat (51) is located in the described combination lock vallecular cavity (12), one end of this lock shaft seat (51) offers chute (511), the bottom expansion of chute (511) is provided with a lock shaft through hole (5111), lock shaft flap (52) lid is put at an end of lock shaft seat (51) and with described lock and is obstructed hinged seat (6) fixed connection, one end of lock shaft (53) is corresponding to described lock shaft hole (213), and it is corresponding with described lock shaft actuating bead (42), the other end probes into lock shaft through hole (5111), be arranged at intervals with one group of locking key (531) at the middle part of lock shaft (53), number dial (55) has one group, quantity equates with the quantity of described locking key (531), each number dial (55) is nested with on described lock shaft (53), the central authorities of each number dial (55) offer a lock keyway (551), lock keyway (551) matches with described locking key (531), and constitute dish tooth (552) around the outer wall of each number dial (55), the quantity of figure disc (54) equates with the quantity of number dial (55), each figure disc (54) is nested with on number dial (55), the number of the central authorities of figure disc (54) is adjusted tooth (541) and is matched with described dish tooth (552), external surface at each figure disc (54) is provided with symbol (542), spring (56) is contained in the described lock shaft through hole (5111), one end contacts with described lock shaft flap (52), and an end in contact of the other end and described lock shaft (53).

3. difunctional coded lock according to claim 2 is characterized in that offering a reed trough (513) on the described lock shaft seat (51), is provided with reed (512) in the reed trough (513), and reed (512) contacts with described figure disc (54).

4. difunctional coded lock according to claim 2 is characterized in that the quantity of the symbol (542) on the external surface of described each figure disc (54) has ten.

5. according to claim 2 or 4 described difunctional coded locks, it is characterized in that described symbol is for complying with tactic English alphabet, Arabic numerals or Roman number.

6. difunctional coded lock according to claim 1, it is characterized in that described diapire (112) is gone up and constitute one at the position corresponding to described key insertion hole (1121) is used for the end face of lock core (3) is implemented the retaining prominent (1122) that retaining protects, and dashes forward (1122) and makes the shape of described key insertion hole (1121) curved by this retaining.

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