CN207260790U

CN207260790U - Lock non-return mechanism and there is its lock

Info

Publication number: CN207260790U
Application number: CN201721029215.1U
Authority: CN
Inventors: 曹子建; 胡立明; 金翔宇; 杨显平; 吴凯
Original assignee: SHENZHEN XTOOLTECH Co Ltd
Current assignee: Hangzhou Qingqi Science and Technology Co Ltd
Priority date: 2017-08-16
Filing date: 2017-08-16
Publication date: 2018-04-20
Anticipated expiration: 2027-08-16

Abstract

The utility model discloses a kind of lock non-return mechanism and there is its lock, which includes lock housing, lock tongue, toggle handle and elastic non return part, and lock housing has a lock chamber, and lock chamber forms one to be inserted in by the fore shaft of lock object；Lock tongue is slidably disposed in lock housing between extended position and retracted position, and when lock tongue is located at extended position, lock tongue closes the fore shaft, and when lock tongue is located at retracted position, lock tongue opens fore shaft；Toggle handle is located at the outside of lock housing and is connected with lock tongue, so that user operates and drives lock tongue retracted position to slide into extended position；Elastic non return part is arranged in lock housing and closes on retracted position, and when lock tongue is located at retracted position, elastic non return part limits toggle handle and slided to extended position direction.The lock non-return mechanism provided according to the utility model embodiment, can improve the safety and reliability of lock, it is ensured that can safely and reliably travel using the vehicle of the lock.

Description

Lock non-return mechanism and there is its lock

Technical field

It the utility model is related to lock, more particularly to a kind of lock non-return mechanism and there is its lock.

Background technology

Bicycle use rides instead of walk, goes on a journey in the daily of people, is a kind of environmentally protective vehicles.However, user utilizes During cycling trip, it has to the problem of bicycle is stolen is faced, it is thus, right using lockset (such as mechanical lock, electronic lock etc.) Vehicle is locked, and becomes the technical way of vehicle anti-theft.

In correlation technique, a kind of lockset on bicycle, including lock housing (having fore shaft), lock tongue, driving lock tongue close The toggle handle of locking mouth and the driving lock tongue open the tension spring of fore shaft, however, when vehicle is normally ridden, especially when When vehicle jolts, lock tongue causes vehicle to be occurred by unexpected locking since gravity and inertia may be slided to fore shaft Security incident.

Utility model content

The utility model is intended to solve at least some of the technical problems in related technologies.For this reason, this reality It is to propose a kind of lock non-return mechanism with a new purpose.

Another purpose of the utility model is to propose a kind of lock with above-mentioned lockable mechanism.

To achieve the above object, on the one hand, according to the lock non-return mechanism of the utility model embodiment, including：

Lock housing, the lock housing have a lock chamber, and the lock chamber forms one to be inserted in by the fore shaft of lock object；

Lock tongue, the lock tongue is slidably disposed between extended position and retracted position in the lock housing, when described When lock tongue is located at the extended position, the lock tongue closes the fore shaft, when the lock tongue is located at retracted position, the lock tongue Open the fore shaft；

Toggle handle, the toggle handle are located at the outside of the lock housing and are connected with the lock tongue, so that user grasps Make and drive lock tongue to slide into the extended position from the retracted position；

Elastic non return part, the elasticity non return part is arranged in the lock housing and closes on the retracted position, when the lock Tongue is located at the retracted position, and the elasticity non return part limits the toggle handle and slided to the extended position direction.

The lock non-return mechanism provided according to the utility model embodiment, when lock tongue is located at retracted position, elastic non-return Part can limit the slip of toggle handle case extended position, in this way, when even vehicle occur and jolting, lock tongue is in elastic non-return Fore shaft will not be slipped under the limitation of part, and then ensures to be kept open in fore shaft, that is to say, that the lock non-return mechanism can To improve the safety and reliability of lock, it is ensured that can safely and reliably be travelled using the vehicle of the lock.

In addition, there can also be technology spy additional as follows according to the lock non-return mechanism of the utility model above-described embodiment Sign：

One embodiment according to the present utility model, the elasticity non return part has a compression zone, when the toggle handle When being moved with the lock tongue and passing through the compression zone, the compression zone is oppressed by the toggle handle so that the elasticity non-return Part is retracted, and when the lock tongue is located at the retracted position, the elasticity non return part stretches out, and is stirred described in the compression zone backstop Handle.

One embodiment according to the present utility model, the compression zone have at least partly protrude from the lock housing and to The compression face of the toggle handle compressing is born, the compression face is arcwall face or sphere.

One embodiment according to the present utility model, the toggle handle be configured to first position and the second place it Between pivotably, when the toggle handle is located at the first position, toggle handle described in the compression zone backstop, when described group Dynamic handle from the first position rotate to the second place rotates when, the toggle handle compressing compression zone is so that institute Elastic non return part is stated to retract.

One embodiment according to the present utility model, the toggle handle are located at the lower surface of the lock housing.

One embodiment according to the present utility model, it is described to stir when the toggle handle is located at the first position Handle is hidden in the side of the lock housing, when the toggle handle is located at the second place, the toggle handle at least portion Divide the side for being exposed to the lock housing.

One embodiment according to the present utility model, the elasticity non return part include：

Latch, the latch are telescopically arranged in the lock housing, and the compression zone is formed at the latch One end；

First elastic component, first elastic component are arranged between the lock housing and the latch, are compeled with providing elastic force Stretch out the latch.

One embodiment according to the present utility model, the lock housing are equipped with pin hole, and the pin hole has an inner roof wall, institute Stating inner roof wall has a through hole；

The latch is arranged in the pin hole, and the other end of the latch connects a block through the through hole Cap, the block cap backstop is above the inner wall top；

First elastic component is sheathed on outside the latch, and one end of first elastic component and the inner roof wall phase Support, the other end and the compression zone of first elastic component offset.

One embodiment according to the present utility model, the lower surface of the lock housing set sliding slot, and the sliding slot is along the lock The telescopic direction of tongue extends, and is connected in the toggle handle by the STATEMENT OF FEDERALLY SPONSORED through the sliding slot with the lock tongue.

One embodiment according to the present utility model, the STATEMENT OF FEDERALLY SPONSORED include：

Hinged-support, the hinged-support are located at below the lower surface of the lock housing, and the toggle handle is in the first position The hinged-support is pivotably connected between the second place；

Connector, one end of the connector are connected with the hinged-support, and the other end of the connector passes through the cunning Groove is connected with the lock tongue.

One embodiment according to the present utility model, the STATEMENT OF FEDERALLY SPONSORED further include the second elastic component, second elastic component It is arranged between the hinged-support and the toggle handle, it is described to drive the toggle handle to be reset to from the second place First position.

One embodiment according to the present utility model, the connector include stud and screw, and the stud is formed at institute State on lock tongue and extend downwardly, the stud has threaded hole, and the hinged-support has bottom-up perforative through hole, the spiral shell Nail through after the through hole with the threaded hole thread fitting.

One embodiment according to the present utility model, the lower surface of the lock housing are equipped with a recessed groove, the recessed groove Outside is opened wide, and the sliding slot is formed at the inner top surface of the recessed groove, and the toggle handle is located in the recessed groove.

On the other hand, according to the lock of the utility model embodiment, there is lock non-return mechanism as described above.

The additional aspect and advantage of the utility model will be set forth in part in the description, partly by from following description In become obvious, or recognized by the practice of the utility model.

Brief description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.

Fig. 1 is the structure diagram of the utility model embodiment lock non-return mechanism；

Fig. 2 is the partial sectional view of the utility model embodiment lock non-return mechanism；

Fig. 3 is the partial enlarged view at A in Fig. 2；

Fig. 4 is the exploded view of the utility model embodiment lock non-return mechanism.

Reference numeral：

Lock housing 10；

Bottom case 101；

Pin hole 1011；

Cover 102；

Side S10；

Lock chamber P10；

Fore shaft P101；

Sliding slot G10；

Recessed groove G20；

Lock tongue 20；

Toggle handle 30；

STATEMENT OF FEDERALLY SPONSORED 31；

Hinged-support 311；

Screw 312；

Stud 313；

Threaded hole 3131；

Second elastic component 314；

Axis pin 315；

Elastic non return part 40；

Latch 401；

Compression zone 4011；

Compression face S20；

First elastic component 402；

Block cap 403；

Dynamic clamping head and quiet clamping head 50.

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Embodiment

The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model Limitation, based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts All other embodiments obtained, shall fall within the protection scope of the present invention.

In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable The orientation or position relationship of the instruction such as hour hands ", " counterclockwise " " axial direction ", " circumferential direction ", " radial direction " are based on orientation shown in the drawings Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limit to the utility model System.

In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include one or more this feature.In the description of the utility model, " multiple " are meant that two or two More than, unless otherwise specifically defined.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be Concrete meaning in the utility model.

In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under " can directly be contacted including the first and second features, it is not directly to contact but lead to that can also include the first and second features Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special Sign second feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and obliquely downward, or only Represent that fisrt feature level height is less than second feature.

The lock non-return mechanism of the utility model embodiment is described in detail with reference to the accompanying drawings.

Referring to figs. 1 to the lock non-return mechanism shown in Fig. 4, provided according to the utility model embodiment, including lock housing 10, lock Tongue 20, toggle handle 30 and elastic non return part 40.

Specifically, there is lock housing 10 lock chamber a P10, the lock chamber P10 to form one to be inserted in by the fore shaft of lock object P101.This that is to say, the component such as wheel of vehicle can be from fore shaft P101 by components such as wheels that lock object can be vehicle It is inserted in lock chamber P10.Preferably, the shape of lock chamber P10 can be configured to not according to by the structure of lock object and shape Similar shape, for example, can be circular (as shown in Figure 1), square, polygon etc. any one.

Lock tongue 20 is slidably disposed between extended position and retracted position in the lock housing 10, when the lock tongue 20 During positioned at the extended position, the lock tongue 20 closes the fore shaft P101, described when the lock tongue 20 is located at retracted position Lock tongue 20 opens the fore shaft P101.That is, the lock tongue 20 is arranged in lock housing 10 and can be slided relative to lock housing 10, Slidably reciprocated by lock tongue 20 and fore shaft P101 is opened or closed to realize.

In Fig. 1 examples, lock chamber P10 is generally circular, and corresponding, lock tongue 20 is configured to arc, and the lock tongue 20 can Slided in a clockwise direction with counter clockwise direction, fore shaft P101 can be closed when lock tongue 20 slides counterclockwise, at this time, locked Object cannot move or can not be taken out by fore shaft P101 relative to lockset, and then the purpose that will be pinned by lock object, " lock ", such as by lock object be wheel, then can not be rotated after wheel is locked.And when lock tongue 20 is along slid clockwise Fore shaft P101 can be opened, at this time, can be moved relative to lockset or taken out by fore shaft P101, Jin Erda by lock object To the purpose that will be unlocked by lock object, i.e., " unlock ", for example, wheel be unlocked after can rotate.

It should be noted that in the present embodiment, lock tongue 20 constructs camber, can be adapted to circular lock chamber P10, along The circumferential slip of circular lock chamber P10, in this way, can make it that structure is simpler compact, volume smaller.However, this practicality is new Type not limited to this, lock tongue 20 can also be configured to other shapes, such as linear etc..

Toggle handle 30 is located at the outside of the lock housing 10 and is connected with the lock tongue 20, so that user operates and drives Lock tongue 20 slides into the extended position from the retracted position., can be by this when user needs to close fore shaft P101 Toggle handle 30 applies pulling force, and then lock tongue 20 is pulled to extended position from retracted position using the pulling force.

Certainly, it will be appreciated by persons skilled in the art that in a particular application, lock includes dynamic clamping head and quiet clamping head 50 and solution Latch mechanism (not shown) etc., wherein, dynamic clamping head and quiet clamping head 50 is arranged in the lock housing 10, to drive the lock tongue 20 described in Extended position is reset to the retracted position, and in Fig. 4 examples, dynamic clamping head and quiet clamping head 50 is tension spring.That is, the dynamic clamping head and quiet clamping head 50 are capable of providing elastic acting force, which forces in no other external force intervention, which makees in the elasticity Retracted position can be back under the action of firmly, so that fore shaft P101 is stayed open.

Unlocking mechanism is arranged in the lock housing 10, to lock tongue described in locking 20 and keeps it in the stretching position Put, or discharge the lock tongue 20 and it is reset to the retracted position under the action of the dynamic clamping head and quiet clamping head 50.Also It is to say, when needing to be locked for a long time by lock object, after lock tongue 20 is slid into extended position by toggle handle 30, The lock tongue 20 can be pinned by unlocking mechanism so that the extended position that the lock tongue 20 is maintained at, and then keep fore shaft P101 It is closed.And when needing to be unlocked, then the lock tongue 20 is discharged by unlocking mechanism, after the lock tongue 20 is discharged, Lock tongue 20 can be back to retracted position under the action of dynamic clamping head and quiet clamping head 50, so that fore shaft P101 is opened.

It should be noted that unlocking mechanism generally comprises motor, locking bolt and transmission mechanism, driver is driven using motor Structure, then drive locking bolt movement and locking or release lock tongue 20, its concrete structure and work away from being ability by transmission mechanism Field technique personnel are known, here, being not described in detail.

Elastic non return part 40 is arranged in the lock housing 10 and closes on the retracted position, when the lock tongue 20 is positioned at described Retracted position, the elasticity non return part 40 limit the toggle handle 30 and are slided to the extended position direction.That is, bullet Property non return part 40 close on retracted position setting, in other external force intervention, toggle handle 30 is limited by the elasticity non return part 40 System so that toggle handle 30 cannot be slided towards extended position, since lock tongue 20 and toggle handle 30 are relatively-stationary, institutes With when toggle handle 30 is limited by elastic non return part 40, lock tongue 20 cannot be slided to extended position, and then keep fore shaft P101 It is in an open position.

The lock non-return mechanism provided according to the utility model embodiment, when lock tongue 20 is located at retracted position, elasticity is stopped Return part 40 and can limit 30 casees extended positions of toggle handle and slide, in this way, when even vehicle occur and jolting, lock tongue 20 exists Fore shaft P101 will not be slipped under the limitation of elastic non return part 40, and then ensures to be kept open in fore shaft P101, that is, Say, which can improve the safety and reliability of lock, it is ensured that can safely may be used using the vehicle of the lock Travelled by ground.

It should be noted that in correlation technique, although lock tongue 20 can be located in the case where dynamic clamping head and quiet clamping head 50 provides pulling force effect In retracted position so that fore shaft P101 is opened, and still, is jolted when there is vehicle when shake, lock tongue 20 due to gravity and Inertia still may be slided to fore shaft P101, and then cause vehicle that security incident occurs by unexpected locking.Alternatively, for a long time After use, the coefficient of elasticity of dynamic clamping head and quiet clamping head 50 changes, and then causes the pulling force of its offer smaller, jolts in vehicle When shake, lock tongue 20 is easily slid into fore shaft P101, causes vehicle accident locking etc..And in the utility model, pass through Elastic non return part 40 limits lock tongue 20 and is slided to direction is stretched out, and effectively prevent the generation of the above problem, and then improve car Lock the security used, it is ensured that the vehicle riding safety with the lock is reliable.

With reference to shown in Fig. 2 to Fig. 3, in one embodiment of the utility model, elastic non return part 40 has a compression zone 4011, when the toggle handle 30 is moved with the lock tongue 20 and when passing through the compression zone 4011,4011 quilt of compression zone The toggle handle 30 oppress so that it is described elasticity non return part 40 retract, when the lock tongue 20 is located at the retracted position, institute State elastic non return part 40 to stretch out, toggle handle 30 described in 4011 backstop of compression zone.

As shown in Fig. 2, the axis direction of the lock chamber P10 in lock housing 10 is vertically extending, toggle handle 30 can be with Lock tongue 20 around lock chamber P10 axis direction rotational slide, and toggle handle 30 close to or fitting 20 lock housing 10 of lock tongue following table Face, elastic non return part 40 are telescopically arranged in lock housing 10 along the vertical direction, when elastic non return part 40 stretches out, compression zone 4011 expose the lower surface of lock housing 10, and when elastic non return part 40 is retracted, compression zone 4011 is retracted in lock housing 10.

Also, during toggle handle 30 is moved with 20 1 retracted position in the same direction of lock tongue, toggle handle 30 is gradually leaned on The compression zone 4011 exposed in nearly lock housing 10, when toggle handle 30 is contacted with compression zone 4011, toggle handle 30 is to compression zone 4011 produce compressing, and at this time, compression zone 4011 causes the elasticity non return part 40 due to the contention effect for being subject to toggle handle 30 Retract into lock housing 10, until toggle handle 30 is moved to stops the position supported with 4011 phase of compression zone on elastic non return part 40, At this time, lock tongue 20 just reaches lock position, 30 stop motion of toggle handle, and toggle handle 30 is in the limit of compression zone 4011 Can not reversely it be slided under system to extended position.

In short, elastic non return part 40 can be extended and retracted relative to lock housing 10, should in no other external force intervention Elastic non return part 40 is in stretching state, and during toggle handle 30 is slided with 20 1 retracted position in the same direction of lock tongue, by With certain speed when the pulling force of dynamic clamping head and quiet clamping head 50 make it that toggle handle 30 is moved with lock tongue 20, so, when stirring handle When hand 30 moves across the elasticity non return part 40, the compression zone 4011 on elastic non return part 40 can be oppressed, so that the bullet Property non return part 40 retract into lock housing 10, only supported with 4011 phase of compression zone on elastic non return part 40 when toggle handle 30 is moved to Position when, lock tongue 20 just reaches lock position, 30 stop motion of toggle handle and can not under the limitation of compression zone 4011 Reversely slided to extended position, in this way, can realize elasticity using the contention effect between compression zone 4011 and toggle handle 30 Non return part 40 is first retracted to stretch out afterwards and is only supported with toggle handle 30, its is simple in structure, easy to assembly, only supports reliable.

It should be noted that the mode that the compression zone 4011 on elastic non return part 40 is only supported with 30 phase of toggle handle can root According to needing to set, such as in Fig. 2 examples, elastic non return part 40 is located at the side towards extended position of toggle handle 30, this When, since elastic non return part 40 stretches out, the side S10 of toggle handle 30 and elastic non return part 40 close to or lean, elasticity is stopped Toggle handle 30 can be limited to extended position slip by returning part 40.

And in the other embodiment of utility model, elastic non return part 40 can also be with 30 face of toggle handle, at this time, can To set the card slot coordinated with compression zone 4011 in the top surface of toggle handle 30, in this way, elastic non return part 40 stretch out and by Splenium 4011 is supported in card slot, supporting effect and can also limit toggle handle 30 to stretching using compression zone 4011 and card slot Slide position.

With reference to shown in Fig. 3, favourable, in some examples of the utility model, compression zone 4011 has at least partly convex For the lock housing 10 and to bear compression face S20, the compression face S20 that the toggle handle 30 oppresses for arcwall face or Sphere.

During toggle handle 30 is slided with 20 1 retracted position in the same direction of lock tongue, toggle handle 30 moves across the bullet During property non return part 40, toggle handle 30 is contacted with compression face S20 on compression zone 4011, since compression face S20 is arcwall face or ball Face, so, in the lateral impact of 4011 compression toggle handle 30 of compression zone, it can press and successfully be retracted in lock housing 10, into And toggle handle 30 is smoothly moved to 4011 phase of compression zone on elastic non return part 40 and stops the position supported, thus, it is possible to Improve the reliability of the lock non-return mechanism performance.

With reference to shown in Fig. 1, Fig. 2 and Fig. 4, in some embodiments of the utility model, toggle handle 30 is configured to Between first position and the second place pivotably, when the toggle handle 30 is located at the first position, the compression zone Toggle handle 30 described in 4011 backstops, rotates when the toggle handle 30 is rotated to the second place from the first position When, the toggle handle 30 oppresses the compression zone 4011 so that the elasticity non return part 40 is retracted.

In Fig. 2 examples, the axis which can be along the vertical direction is between the first position and the second position Pivot, when toggle handle 30 is located at first position, compression zone 4011 is located at toggle handle 30 towards the side of extended position, profit 30 extended position of toggle handle can be limited with compression zone 4011 to slide.And when user apply active force by toggle handle 30 from First position to the second place rotate when, toggle handle 30 is contacted with compression zone 4011, forces 4011 retraction lock housing 10 of compression zone It is interior, when toggle handle 30 turns to the second place, you can pull on toggle handle 30, you can driven by the toggle handle 30 Dynamic lock tongue 20 slides into extended position, and then closes fore shaft P101.

That is, made using compressing of the toggle handle 30 when first position turns to the second place to compression zone 4011 With, it can cause in elastic 40 retraction lock housing 10 of non return part, and then the limitation to toggle handle 30 is released, utilized even with person The toggle handle 30 driving lock tongue 20 closes fore shaft P101.

It should be noted that in the present embodiment, when being rotated between the first position and the second position by toggle handle 30 The mode that the elastic non return part 40 of compressing is retracted, operation is very easy for it, simple in structure.

Also, if toggle handle 30 cannot pivot, directly apply pulling force and pull toggle handle 30 to extended position, then Sufficiently large pulling force is needed just to force elastic non return part 40 to be retracted, and in the present embodiment, using toggle handle 30 at first Put and the mode that elastic non return part 40 is retracted is oppressed when being rotated between the second place, can be more laborsaving.

Referring to figs. 1 to shown in Fig. 2, in one embodiment of the utility model, toggle handle 30 is located at the lock housing 10 Lower surface.Wherein, the lower surface of lock housing 10 refers to when lock housing 10 is installed to vehicle, in lock housing 10 downward (such as Towards ground) surface, which is not easy to be observed by people.

It should be noted that in correlation technique, toggle handle 30 is positioned at the upper surface of lock housing 10, be that is to say easily by people It was observed that surface, and generally required in the upper surface of lock housing 10 set for toggle handle 30 slide sliding slot G10, in this way, one Aspect, rainwater, dust etc. can be entered to inside lock housing 10 from sliding slot G10 easily, if the lockset is electric locking, easily Cause internal circuit or other device failures, even mechanical lock, also be easy to cause the problems such as parts get rusty, corrode, drop Low lockset service life.On the other hand, toggle handle 30 is emerging in the upper surface of lock housing 10, easily by other people malicious sabotages, Or when collision occurs in vehicle, toggle handle 30 is easily directly hit and is damaged, such as toggle handle 30 deforms And cannot slide, it is unable to normal use from lockset is caused.

And in the present embodiment, toggle handle 30 is located at the lower surface of lock housing 10, that is to say, toggle handle 30 is hidden in lock housing 10 lower section, therefore, rainwater etc. are not easy to enter to inside lock housing 10 from the position of toggle handle 30, its waterproof effect is more preferable, carries The high service life of lock.Meanwhile toggle handle 30 is not easy destroyed or damages, such as fall down in vehicle or be subject to other During external impacts, direct collision is not easy to toggle handle 30, and then ensures that lockset performance is more reliable, stablizes.

It is described to stir handle when toggle handle 30 is located at the first position in some embodiments of the utility model Hand 30 is hidden in the side S10 of the lock housing 10, when the toggle handle 30 is located at the second place, the toggle handle 30 at least part are exposed to the side S10 of the lock housing 10.

That is, rotated between the first position and the second position by rotating toggle handle 30, except can be smooth The elastic non return part 40 of driving is retracted to contact outside the limitation to toggle handle 30, it is also possible that the toggle handle 30 is enough convenient User operates, and is also convenient in hiding after use to the side S10 of lock housing 10, in this way, being fallen down in vehicle or being subject to other During external impacts, reduce further the possibility that toggle handle 30 is knocked, and improve lock performance reliability and Stability.

With reference to shown in Fig. 3, in one embodiment of the utility model, elastic non return part 40 includes latch 401 and the One elastic component 402, latch 401 are telescopically arranged in the lock housing 10, and the compression zone 4011 is formed at the stop One end of pin 401, in Fig. 3 examples, compression zone 4011 is formed at the lower end of latch 401；First elastic component 402 is arranged at institute State between lock housing 10 and the latch 401, force the latch 401 to stretch out to provide elastic force.

Preferably, the first elastic component 402 can use spring.

That is, the elastic force that the first elastic component 402 provides can cause latch 401 in no other external force effect When, stretching state can be kept, in this way, its is simple in structure, it is easy to assembly and flexible reliable.

More specifically, in one embodiment of the utility model, lock housing 10 is equipped with pin hole 1011, the pin hole 1011 have an inner roof wall, and the inner roof wall has a through hole.Latch 401 is arranged in the pin hole 1011, and it is described only The other end of dynamic pin 401 connects a block cap 403 through the through hole, and 403 backstop of block cap is above the inner wall top. First elastic component 402 is sheathed on outside the latch 401, and one end of first elastic component 402 offsets with the inner roof wall, The other end of first elastic component 402 offsets with the compression zone 4011.

When compression zone 4011 is subject to the compressing of toggle handle 30, latch 401 moves upwards, and the first elastic component 402 is pressed Contracting, and when compression zone 4011 is not subject to the compressing of toggle handle 30 and other external force to act on, then the first elastic component 402 is stretched Length forces elastic non return part 40 to stretch out, its is simple in structure, easy to assembly.

Referring to figs. 1 to shown in Fig. 2, in one embodiment of the utility model, the lower surface of lock housing 10 sets sliding slot G10, the sliding slot G10 extend along the telescopic direction of the lock tongue 20, by through the sliding slot G10 in the toggle handle 30 STATEMENT OF FEDERALLY SPONSORED 31 be connected with the lock tongue 20.

When user applies pulling force effect when in toggle handle 30, toggle handle 30 drives STATEMENT OF FEDERALLY SPONSORED 31 in sliding slot G10 Interior slip, STATEMENT OF FEDERALLY SPONSORED 31 further drive lock tongue 20 to slide into extended position, in this way, locking can be achieved.In the present embodiment, Sliding slot G10 is set by the lower surface of lock housing 10, and toggle handle 30 and lock tongue are connected using the STATEMENT OF FEDERALLY SPONSORED 31 through sliding slot G10 20, its is simple in structure, good water-proof effect, meanwhile, utilize the guiding role of sliding slot G10, it can be ensured that lock tongue 20 slides more suitable It is sharp reliable.

With reference to shown in Fig. 4, in one embodiment of the utility model, STATEMENT OF FEDERALLY SPONSORED 31 includes hinged-support 311 and connector, Hinged-support 311 is located at below the lower surface of the lock housing 10, the toggle handle 30 the first position and the second place it Between be pivotably connected to the hinged-support 311；One end of connector is connected with the hinged-support 311, the connector it is another One end is connected through the sliding slot G10 with the lock tongue 20.

That is, toggle handle 30 is that be rotatably connected on hinged-support 311 can be relative to hinged-support 311 at first Put and rotated between the second place, and hinged-support 311 is connected to lock tongue 20 by connector, its is simple and compact for structure, assembling side Just.

In some embodiments of the utility model, STATEMENT OF FEDERALLY SPONSORED 31 further includes the second elastic component 314, second elastic component 314 are arranged between the hinged-support 311 and the toggle handle 30, to drive the toggle handle 30 from the second place It is reset to the first position.In Fig. 4 examples, the second elastic component 314 is torsional spring, the hinged-support 311 and toggle handle 30 It is pivotally connected between one end by axis pin 315, torsional spring is set on the axis pin 315, when applying pulling force pulling toggle handle 30, Toggle handle 30 is rotated from first position to the second place, in this way, torsional spring produces torsional deformation, and when cancelling pulling force, the torsion Spring resets deformation and forces toggle handle 30 to turn to first position from the second place.

In other words, which can provide elastic acting force so that toggle handle 30 is in other no external force During intervention, first position can be back to from the second place, and then ensures that the toggle handle 30 when not operated, can be kept In first position, in this way, after fore shaft P101 is closed using the toggle handle 30, toggle handle 30 is in the second elastic component 314 Under the action of it is automatic recover to first position, without manual operation, its is more convenient to use, more hommization.

More specifically, in an example of the utility model, connector includes stud 313 and screw 312, the spiral shell Column 313 is formed on the lock tongue 20 and extends downwardly, and the stud 313 has threaded hole 3131, and the hinged-support 311 has Bottom-up perforative through hole, the screw 312 pass through the through hole after with 3131 thread fitting of threaded hole.

In assembling, lock tongue 20 is installed in lock housing 10, and causes the bolt on lock tongue 20 to pass through sliding slot G10, then will Hinged-support 311 is placed in the lower section of lock housing 10, and the through hole on hinged-support 311 is aligned with the threaded hole 3131 on stud 313, most Afterwards, screw 312 is threaded into threaded hole 3131 afterwards through threaded hole 3131, its assembling is simple and convenient, simple in structure tight Gather, meanwhile, also allow for processing.

More favorably, in an example of the utility model, the lower surface of lock housing 10 is equipped with a recessed groove G20, institute The outside for stating recessed groove G20 is opened wide, and the sliding slot G10 is formed at the inner top surface of the recessed groove G20, the toggle handle 30 In the recessed groove G20.

Thus, toggle handle 30 and STATEMENT OF FEDERALLY SPONSORED 31 are generally contained in recessed groove G20 so that the structure of lock is simpler It is single compact, it is additionally, since toggle handle 30 and is contained in recessed groove G20, toggle handle 30 can be played using recessed groove G20 Protective effect, when even being hit in the bottom of lock, is not easy to direct collision to toggle handle 30, and then, further Improve the reliability and stability of lock performance.

Alternatively, lock housing 10 can include bottom case 101 and cover 102, and cover 102 is removably connected to the bottom case 101 On, depression behaviour is arranged on bottom case 101.Host cavity, lock tongue 20, dynamic clamping head and quiet clamping head are limited between bottom case 101 and cover 102 50th, unlocking mechanism is located in host cavity, its is simple in structure, easy to assembly.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term State and be necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with Combine in an appropriate manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this area Technical staff can by the different embodiments or example described in this specification and different embodiments or exemplary feature into Row combines and combination.

The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention, Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model Conversion, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims

A kind of 1. lock non-return mechanism, it is characterised in that including：

Lock housing, the lock housing have a lock chamber, and the lock chamber forms one to be inserted in by the fore shaft of lock object；

Lock tongue, the lock tongue is slidably disposed between extended position and retracted position in the lock housing, when the lock tongue During positioned at the extended position, the lock tongue closes the fore shaft, and when the lock tongue is located at retracted position, the lock tongue is opened The fore shaft；

Toggle handle, the toggle handle are located at the outside of the lock housing and are connected with the lock tongue, for user's operation Driving lock tongue slides into the extended position from the retracted position；

Elastic non return part, the elasticity non return part is arranged in the lock housing and the neighbouring retracted position, when the lock tongue position In the retracted position, the elasticity non return part limits the toggle handle and is slided to the extended position direction.
2. lock non-return mechanism according to claim 1, it is characterised in that the elasticity non return part has a compression zone, When the toggle handle with the lock tongue move and pass through the compression zone when, the compression zone by the toggle handle oppress with The elastic non return part is set to retract, when the lock tongue is located at the retracted position, the elasticity non return part stretches out, the compression Toggle handle described in portion's backstop.
3. lock non-return mechanism according to claim 2, it is characterised in that the compression zone, which has, at least partly to be protruded from The lock housing and to bear the compression face of toggle handle compressing, the compression face is arcwall face or sphere.
4. lock non-return mechanism according to claim 2, it is characterised in that the toggle handle is configured at first Put between the second place pivotably, when the toggle handle is located at the first position, dialled described in the compression zone backstop Dynamic handle, when the toggle handle is rotated from the first position to be rotated to the second place, the toggle handle compressing The compression zone is so that the elasticity non return part is retracted.
5. lock non-return mechanism according to claim 4, it is characterised in that the toggle handle is located under the lock housing Surface.
6. lock non-return mechanism according to claim 5, it is characterised in that when the toggle handle is located at described first When putting, the toggle handle is hidden in the side of the lock housing, when the toggle handle is located at the second place, described group Dynamic handle is at least partly exposed to the side of the lock housing.
7. lock non-return mechanism according to any one of claim 2 to 4, it is characterised in that the elasticity non return part bag Include：

Latch, the latch are telescopically arranged in the lock housing, and the compression zone is formed at the one of the latch End；

First elastic component, first elastic component are arranged between the lock housing and the latch, and institute is forced to provide elastic force State latch stretching.
8. lock non-return mechanism according to claim 7, it is characterised in that the lock housing is equipped with pin hole, the pin hole With an inner roof wall, the inner roof wall has a through hole；

The latch is arranged in the pin hole, and the other end of the latch connects a block cap through the through hole, The block cap backstop is above the inner roof wall；

First elastic component is sheathed on outside the latch, and one end of first elastic component offsets with the inner roof wall, The other end of first elastic component offsets with the compression zone.
9. lock non-return mechanism according to claim 5, it is characterised in that the lower surface of the lock housing sets sliding slot, institute State sliding slot along the telescopic direction of the lock tongue to extend, pass through the STATEMENT OF FEDERALLY SPONSORED through the sliding slot and the lock in the toggle handle Tongue is connected.
10. lock non-return mechanism according to claim 9, it is characterised in that the STATEMENT OF FEDERALLY SPONSORED includes：

Hinged-support, the hinged-support are located at below the lower surface of the lock housing, and the toggle handle is in the first position and the The hinged-support is pivotably connected between two positions；

Connector, one end of the connector are connected with the hinged-support, the other end of the connector through the sliding slot with The lock tongue is connected.
11. lock non-return mechanism according to claim 10, it is characterised in that the STATEMENT OF FEDERALLY SPONSORED further includes the second elasticity Part, second elastic component are arranged between the hinged-support and the toggle handle, to drive the toggle handle from described The second place is reset to the first position.
12. lock non-return mechanism according to claim 10, it is characterised in that the connector includes stud and screw, The stud is formed on the lock tongue and extends downwardly, and the stud has threaded hole, and the hinged-support has bottom-up Perforative through hole, the screw pass through the through hole after with the threaded hole thread fitting.
13. lock non-return mechanism according to claim 9, it is characterised in that the lower surface of the lock housing is equipped with a depression Groove, the outside of the recessed groove are opened wide, and the sliding slot is formed at the inner top surface of the recessed groove, and the toggle handle is positioned at described In recessed groove.
14. a kind of lock, it is characterised in that there is the lock non-return mechanism as any one of claim 1 to 13.