CN205297079U - Lock - Google Patents

Abstract

The utility model discloses a lock especially is used for the lock of car, and it is when attempting use non - matching key to open lock, and the lock core will dally and difficult destruction to lock's security improves. This function realizes with the sleeve of lock benevolence separation and reunion joint in passing through lock that lock still has the sleeve except having conventional part, and it can follow the rotation of lock benevolence so that the drive block changes to the position of seing aside from the activation point to play the effect of theftproof. The utility model discloses a lock has the theftproof performance of improvement.

Description

Lock

Technical field

This utility model relates to a kind of lock, and this kind of lock is applicable to various environment, is especially suitable for automobile.

Background technology

Day by day move towards huge numbers of families along with automobile, automobile burglar safety also becomes one of important problem of car industry. Automobile is generally all configured with mechanical car's lock core at left front door, unlocks with the mechanical key of offer coupling, opens the function of car door. So, vehicle door lock structural design, concerning the anti-theft security of car load.

The design of conventional lock cylinders, after the key of coupling inserts, screening is fully retracted in lock core, and lock core rotates, and output displacement band motor car door lock unlocks. But there is such as following defect: 1. inserting lock core with non-matching key or instrument, during forced rotating, in fact it could happen that screening or Shell destruction, lock core rotates, and causes that car door unlocks; 2. withstanding lock core with instrument and execute Increased Load toward direction in car, lock core is deviate from from housing; 3. catching hold of lock core with instrument and execute Increased Load to the direction of the vehicle, lock core is deviate from from housing, and three of the above latent defect makes car load face the risk trespassed.

Utility model content

One of the purpose of this utility model is to provide has the lock improving theftproof performance, especially Vehicle lock.

Another object of the present utility model is in that realizing anti-external force forced rotating destruction lock core, increase keeper and coupling structure by increase sleeve and accessory structure improves the difficulty of external force damage lock core, thus enhancing the theftproof performance that vehicle door lock is overall.

Damage to lock when another object of the present utility model is in that the key preventing mistake in.

Other purposes of the present utility model are apparent from.

For realizing at least one in above-mentioned technical purpose, according to one side of the present utility model, it is provided that Yi Zhongsuo, in particular for the lock of car, comprising:

Housing, described housing has the first opening and second opening at opposite end place axially;

Lock core, described lock core fits in described housing, for instance from described first opening, and stop part coordinates with described in described lock Renhe between housing so that described lock core can rotate relative to described housing and can not be axially displaced relative to described housing;

Sleeve, described sleeve fits in described housing, such as from described second opening, and around described lock core, described lock core is provided with multiple screening hole, is provided with screening and screening spring in each screening hole, when the key of coupling inserts in lock core, described screening is retracted and is made the described lock core can independent of described sleeve rotating, and when non-matching key inserts in lock core, described screening engages the rotation so that described lock core with described sleeve will the rotation of the described sleeve of driving;And

Drive block, described drive block has activation point and rest position, on described activation point, described drive block engages with described lock core so that the rotation of described lock core can be transferred to described drive block, and drives displacement component to unlock, on described rest position, described drive block departs from described lock core so that the rotation of described lock core cannot drive described drive block to rotate, and the rotation of described sleeve makes described drive block be transferred to rest position from activation point; And

Displacement component, it is connected with described drive block to unlock when described drive block rotates.

Alternatively, in above-mentioned lock, described stop part is interference fitted in the aperture of described housing and coordinates in the circumferential groove of described lock core through described housing.

Alternatively, in above-mentioned lock, described housing having bootstrap block and coordinates with the breach of described sleeve, described bootstrap block has at least one and guides side so that moved axially the inner side to described lock during described sleeve rotating.

Alternatively, in above-mentioned lock, described bootstrap block is trapezoidal, and described trapezoidal waist constitutes two and guides side.

Alternatively, in above-mentioned lock, described drive block is fitted with described sleeve, and moving axially of described sleeve makes described drive block be transferred to described rest position from described activation point.

Alternatively, in above-mentioned lock, described lock also includes the priming lever spring tending to that described drive block is pushed to described activation point from described rest position, and described priming lever spring is located between described drive block and displacement component.

Alternatively, in above-mentioned lock, on described activation point, the boss in described lock core coordinates with the breach on described drive block.

Alternatively, in above-mentioned lock, described housing is provided with the limited block limiting the described drive block anglec of rotation.

Alternatively, in above-mentioned lock, described lock also includes the reed of the axial location of fixing institute displacement element.

Alternatively, in above-mentioned lock, described lock core has eight screening holes.

When inserting lock core forced rotating with non-matching key or instrument, cannot be fully retracted in lock core owing to there is screening, lock Renhe sleeve cannot produce relative rotation, by the interconnection function of screening, lock core synchronous axial system followed by sleeve, simultaneously, due to the fit system with sleeve Yu housing, sleeve generation axial displacement, drive drive block generation axially-movable, it is transferred to rest position, drive block departs from lock core, the rotation of lock core can not drive drive block to rotate, fix the displacement component being connected can not rotate output displacement with drive block, lock core dallies, serve protection lock core and strengthen the effect of theftproof performance.

When withstanding lock core with instrument and executing Increased Load to direction in car, due to the effect of stop part, add the difficulty that lock core is deviate from from housing, thus enhancing theftproof performance.

When catching hold of lock core with instrument and applying big load to direction outside car, due to the fixation of stop part and optional reed, add lock core from the difficulty deviate from, thus enhancing theftproof performance.

When with valid key opening lock master, all screenings are fully retracted in lock core, and now lock core rotates and will not rotate by band moving sleeve, and lock core drives drive block to rotate, and drive block drives displacement component to rotate, output displacement, it is achieved the unblock to door lock.

Accompanying drawing explanation

With reference to accompanying drawing, of the present utility model above-mentioned and other feature will become clear from, wherein:

Fig. 1 illustrates the side view of the lock according to an embodiment of the present utility model;

Fig. 2 illustrates the exploded view of the lock according to an embodiment of the present utility model;

Fig. 3 illustrates the connection of lock Renhe housing;

Fig. 4 illustrates the connection of sleeve and housing;

Fig. 5 illustrates the sectional view of the Section A-A in Fig. 1;

Fig. 6 illustrates the sectional view of the section B-B in Fig. 1;

Fig. 7 illustrates the connection of lock Renhe drive block;

Fig. 8 illustrates the sectional view in the C-C cross section in Fig. 1; And

It is spacing that Fig. 9 illustrates between housing and drive block.

Detailed description of the invention:

Easy to understand, according to the technical solution of the utility model, under not changing this utility model connotation, one of ordinary skill in the art can propose various structures mode and the implementation that can mutually replace. Therefore, detailed description below and accompanying drawing are only the exemplary illustrations to the technical solution of the utility model, and are not to be construed as of the present utility model whole or are considered as defining or limiting technical solutions of the utility model.

The orientation terms such as the up, down, left, right, before and after mentioned in this manual or be likely to mention, front, the back side, top, bottom are to be defined relative to the structure shown in each accompanying drawing, they are relative concepts, it is therefore possible to can residing for it diverse location, different use state and correspondingly change. So, also these or other orientation term should be construed to restricted term.

With reference now to Fig. 1 and Fig. 2, wherein figure 1 illustrate the side view of lock according to an embodiment of the present utility model; Fig. 2 illustrates the exploded view of the lock according to an embodiment of the present utility model. Lock 100 includes housing 6, housing 6 is substantially cylindrical, and it limits lock length direction or key direction of insertion, also referred to as axial direction, housing 6 has the open design at opposite end place or the first opening and the second opening on this axial direction, and wherein lock core 7 is inserted housing 6 from the first opening. In fig. 2, part is distributed from left to right, is also wherein the direction of key insertion from left to right, and left side is the outside of lock, and right side is the inner side of lock.

In one embodiment, the connected mode of lock core 7 and housing 6 allows for lock core 7 and rotates relative to housing 6, and restriction lock core 7 is relative to housing 6 axial displacement. The perspective view of reference Fig. 3 and the sectional view of Fig. 5, in one embodiment, stop part 10 is interference fitted in the aperture 61 of housing 6 and coordinates in the circumferential groove 71 of described lock core 7 through described housing 6. So can realizing the above-mentioned connection between lock core 7 and housing 6, namely allow lock core 7 to rotate relative to housing 6, restriction lock core 7 is relative to housing 6 axial displacement. The quantity of stop part 10 and position can be changed according to the actual requirements, and more stop part 10 can realize axial stop more preferably, it is prevented that outwardly or inwardly picking lock.

Return to Fig. 2, lock 100 also includes sleeve 5, sleeve 5 is engaged to housing 6 from the second opening part of housing 6, and substantially about lock core 7, is provided with multiple screening hole 72 in lock core 7, screening 9 and screening spring 8 are located in screening hole 72, when the key of coupling inserts in lock core 7, screening 9 is retracted, and this makes lock core 7 can rotate independent of sleeve 5, when non-matching key inserts in lock core 7, at least some of rotation engaged with sleeve 5 so that locking core 7 in screening 9 is by the rotation of drive sleeve 5. Lock core 7 has 8 screening holes 72 in one embodiment.

Lock 100 also includes drive block 4, drive block 4 has activation point and rest position, on activation point, drive block 4 engages with described lock core 7 so that the rotation of lock core 7 can be transferred to drive block 4, and drives displacement component 3 to unlock, on described rest position, described drive block 4 departs from described lock core 7 so that the rotation of described lock core 7 cannot drive described drive block 4 to rotate, and the rotation of described sleeve 5 makes described drive block 4 be transferred to rest position from activation point.In one embodiment, the rotation of sleeve 5 causes the axial displacement of drive block 4, thus departing from lock core 7, it is achieved be transferred to rest position from activation point. Such as, as shown in Figure 4, housing 6 having bootstrap block 62 and coordinates with the breach 52 of described sleeve 5, described bootstrap block 62 has at least one and guides side or oblique side so that will move axially to the inner side of lock when described sleeve 5 rotates. Drive block 4 and sleeve 5 are fitted, when sleeve 5 side shifting axially inwards, and drive block 4 side shifting axially inwards too, and depart from lock core 7. Alternatively, bootstrap block 62 is trapezoidal, and described trapezoidal waist constitutes two guiding sides, and use rotates to that direction and all will cause the axial displacement of sleeve 5. Additionally, in an alternative embodiment, such as the axial location of sleeve 5 is fixed, but sleeve 5 is provided with bootstrap block and cooperates (cooperation mode being similar to housing and sleeve) with the breach on drive block 4, the rotation making sleeve 5 directly causes the axial displacement of drive block 4, thus being transferred to rest position from activation point.

On activation point, the annexation of lock core 7 and drive block 4 is referred to Fig. 6 and Fig. 7, and the boss 73 in lock core 7 is combined together with the breach 43 on drive block 4, in order to drive drive block 4 to rotate when locking core 7 and rotating simultaneously. On rest position, due to moving axially of drive block 4, boss 73 and breach 43 disengage so that both depart from.

With reference to Fig. 9, described housing 6 is provided with the limited block 63 and 64 of restriction drive block 4 anglec of rotation. Limited block 63 and 64 coordinates with the lug 44 on drive block 4, makes drive block 4 can only rotate between the angle limited. On activation point, the rotation of drive block 4 is subject to limited block 63 and limits, and when drive block is on rest position, the rotation of drive block 4 is subject to the idle of limited block 64.

With reference to Fig. 2 and Fig. 8, lock 100 also includes priming lever spring 3, displacement component 2 and reed 1, reed 1 is for the axial location of fixed displacement element 2, displacement component 2 can be rocking arm, its rotation can unlock or lock, and priming lever spring 3 is positioned between displacement component 2 and drive block 4, flexibly tends to drive block 4 is pushed back activation point.

Referring again to Fig. 2, lock 100 also includes enclosing cover 14 conventional hardware such as grade.

When inserting lock core 7 forced rotating with non-matching key or instrument, cannot be fully retracted in lock core 7 owing to there is screening, lock core 7 and sleeve 5 cannot produce relative rotation, by the interconnection function of screening, lock core 7 synchronous axial system followed by sleeve 5, simultaneously, due to the fit system with sleeve 5 with housing 6, there is axial displacement in sleeve 5, drive drive block 4 that axially-movable occurs, it is transferred to rest position, drive block 4 departs from lock core 7, the rotation of lock core 7 can not drive drive block 4 to rotate, can not be rotated output displacement with the fixing displacement component 2 being connected of drive block 4, lock core 7 dallies, serve protection lock core and strengthen the effect of theftproof performance. continuing rotation lock core 7 after special angle, due to compressing of priming lever spring 3, drive block 4 can be made to return to activation point.

When withstanding lock core 7 with instrument and executing Increased Load to direction in car, due to the effect of stop part 10, add the difficulty that lock core 7 is deviate from from housing, thus enhancing theftproof performance.

When catching hold of lock core with instrument and applying big load to direction outside car, due to the fixation of stop part 10 and optional reed 1, add lock core 7 from the difficulty deviate from, thus enhancing theftproof performance.

When with valid key opening lock master, all screenings are fully retracted in lock core 7, and now lock core 7 rotates and will not rotate by band moving sleeve 5, and lock core 7 drives drive block 4 to rotate, and drive block 4 drives displacement component 2 to rotate, output displacement, it is achieved the unblock to door lock.

Should be understood that; all above preferred embodiments are all exemplary rather than restrictive, and various remodeling or deformation that particular embodiments described above is made by those skilled in the art under design of the present utility model all should in legal scope of the present utility model.

Claims (10)

1. a lock, it is characterised in that comprising:

Housing, described housing has the first opening and second opening at axially opposite end place;

Lock core, described lock core fits in described housing, and stop part coordinates with described in described lock Renhe between housing so that described lock core can rotate relative to described housing and can not be axially displaced relative to described housing;

Sleeve, described sleeve fits in described housing and around described lock core, described lock core is provided with multiple screening hole, each screening hole is provided with screening and screening spring, when the key of coupling inserts in lock core, described screening is retracted so that described lock core can independent of described sleeve rotating, when non-matching key inserts in lock core, described screening engages the rotation rotated driving described sleeve so that described lock core with described sleeve; And

Drive block, described drive block has activation point and rest position, on described activation point, described drive block engages with described lock core so that the rotation of described lock core can be transferred to described drive block, and drives displacement component to unlock, on described rest position, described drive block departs from described lock core so that the rotation of described lock core cannot drive described drive block to rotate, and the rotation of described sleeve makes described drive block be transferred to rest position from activation point; And

Displacement component, it is connected with described drive block to be driven unblock by drive block.

2. lock according to claim 1, it is characterised in that described stop part is interference fitted in the aperture of described housing and coordinates in the circumferential groove of described lock core through described housing.

3. lock according to claim 1, it is characterised in that have bootstrap block on described housing and coordinate with the breach of described sleeve, described bootstrap block has at least one and guides side so that moved axially the inner side to described lock during described sleeve rotating.

4. lock according to claim 3, it is characterised in that described bootstrap block is trapezoidal, described trapezoidal waist constitutes two and guides side.

5. lock according to claim 4, it is characterised in that described drive block and the laminating of described sleeve, moving axially of described sleeve makes described drive block be transferred to described rest position from described activation point.

6. lock according to claim 1, it is characterised in that described lock also includes the priming lever spring tending to that described drive block is pushed to described activation point from described rest position, and described priming lever spring is located between described drive block and displacement component.

7. lock according to claim 1, it is characterised in that on described activation point, the boss in described lock core coordinates with the breach on described drive block.

8. lock according to claim 7, it is characterised in that described housing is provided with the limited block limiting the described drive block anglec of rotation.

9. lock according to claim 1, it is characterised in that described lock also includes the reed of the axial location of fixing institute displacement element.

10. lock according to claim 1, it is characterised in that described lock core has eight screening holes.