CN208267565U - push-pull lock - Google Patents

Abstract

The utility model belongs to lock field, and in particular to a kind of push-pull lock.Push-pull lock includes locking bar and lock box, the lockhole for allowing locking bar to protrude into is provided on lock box, the torsional spring for being pivotally provided with lock tongue in lock box and being pivotally connected with lock tongue and lock box, lock tongue includes matrix and the first protruding end and the second protruding end that are set on matrix.Locking bar protrudes into after lock box through lockhole to be pushed lock tongue to rotate and is clamped the first protruding end to the card hole being set on locking bar to reach lock state by way of with the second protrusion end in contact, pull locking bar that lock tongue can be made to rotate backward and reach unlocked state with lock tongue disengaging, to solve the problems, such as that pushing away latch is easy by unexpected touching unlock.The mode for leading to manual push/pull realizes lock locking/unlocking, easy to operate.

Description

Push-pull lock

Technical field

The utility model belongs to lock field, and in particular to a kind of can be operated by manual push/pull realizes lock locking/unlocking Push-pull lock.

Background technique

Existing washing machine is equipped with one kind and pushes away the automatic feeding box of bullet formula detergent, this pushes away the automatic feeding box of bullet formula detergent One kind is installed and pushes away latch, it is only necessary to which the lesser bullet external force that pushes away can be realized as locking automatically, push away bullet opening.That is by pushing away It is dynamic to push away the automatic feeding box of bullet formula detergent and be locked, push away again the automatic feeding box of bullet formula detergent can unlock and Make its pop-up.Although the push-rod lock pushed away in the automatic feeding box of bullet formula detergent facilitates locking and unlocking, in use process In be easy to appear that user surprisingly touches that this pushes away the automatic feeding box of bullet formula detergent and making to push away latch unlock causes detergent to launch The case where box pops up, influences the normal work of washing machine, user experience is poor.

Correspondingly, this field needs a kind of new technical solution to solve the above problems.

Utility model content

In order to solve the above problem in the prior art, it is easy to be asked by unexpected touching unlock in order to solve to push away latch Topic, the utility model provide a kind of push-pull lock, which includes locking bar and lock box, is provided with described in permission on the lock box The lockhole that locking bar protrudes into, bolt component is provided in the lock box, and the bolt component includes being pivotally installed in the lock box Interior lock tongue, the bolt component can make the locking bar in the case of being pushed and the lock box is in the lock state and Make the locking bar and the lock box in the unlocked state in the case of being pulled.

In the optimal technical scheme of above-mentioned push-pull lock, the lock tongue include matrix and be set in described matrix One protruding end and the second protruding end, wherein the locking bar through the lockhole protrude into after the lock box by with it is described second convex The mode of end in contact pushes the lock tongue to rotate out, which can be such that first protruding end is clamped to being set to the locking bar On card hole to reach the lock state.

In the optimal technical scheme of above-mentioned push-pull lock, second protruding end is in institute in the locking bar and the lock box It states in the position for avoiding the lockhole in the case of unlocked state, second protruding end is in the push-and-pull path of the locking bar On so as to the locking bar and it is described second protrusion end in contact.

In the optimal technical scheme of above-mentioned push-pull lock, the bolt component includes torsional spring, the first torque arm of the torsional spring It is pivotally connected respectively with the lock box and the lock tongue with the second torque arm, and is in the solution in the locking bar and the lock box When lock status or the lock state, the torsional spring is in the nature without pretightning force.

In the optimal technical scheme of above-mentioned push-pull lock, the lock tongue further includes the third protrusion being set in described matrix End, first torque arm are connected pivotally to the third protruding end.

In the optimal technical scheme of above-mentioned push-pull lock, it is provided with limited block in the lock box, is arranged on the limited block There are the first confined planes and the second confined planes, wherein be in the unlocked state and the locking in the locking bar and the lock box In the case of state, the lock tongue is born against to first confined planes and second confined planes.

In the optimal technical scheme of above-mentioned push-pull lock, the lock tongue further includes the 4th protrusion being set in described matrix End, in the case of the locking bar and the lock box are in the unlocked state, the 4th protruding end is against extremely described first Confined planes.

In the optimal technical scheme of above-mentioned push-pull lock, the feelings of the lock state are in the locking bar and the lock box Under shape, the third protruding end is against extremely second confined planes.

In the optimal technical scheme of above-mentioned push-pull lock, the limited block is elastic limit block.

In the optimal technical scheme of above-mentioned push-pull lock, the lock box includes box body and the lid that is set on the box body Body is provided with guide rod on the lock tongue, is provided on the lid and the matched guide groove of the guide rod.

In the technical solution of the utility model, push-pull lock includes locking bar and lock box, and being provided on lock box allows locking bar to stretch The lockhole entered is provided with bolt component in lock box, and bolt component includes the lock tongue being pivotally installed in lock box, bolt component energy It is enough that locking bar and lock box is made to be in the lock state and make in the case of being pulled at locking bar and lock box in the case of being pushed In unlocked state.Locking bar push-in lock box just can be realized locking, locking bar is pulled out from lock box and just can by setting in this way It is enough to realize unlock.Compared with pushing away latch, the case where unexpectedly being touched and unlocked is avoided.

In the optimal technical scheme of the utility model, push-pull lock includes locking bar and lock box, and being provided on lock box allows to lock The lockhole that bar protrudes into, is provided with bolt component in lock box, and bolt component includes torsional spring and the lock that is pivotally installed in lock box Tongue, lock tongue include matrix and the first protruding end and the second protruding end that are set on matrix, the first torque arm of torsional spring and second Torque arm is pivotally connected with lock box and lock tongue respectively, and locking bar protrudes into after lock box by way of with the second protrusion end in contact through lockhole Lock tongue rotation is pushed, which can be such that the first protruding end is clamped to the card hole being set on locking bar to reach lock state. By the setting of torsional spring, provides the counter-rotational resistance of lock tongue and be in the lock state bolt component.Meanwhile when using big In torsional spring resistance pulling force pull locking bar when, locking bar be able to drive lock tongue rotate backward with lock tongue be detached from and reach unlocked state.

Detailed description of the invention

It is practical new to describe this to be applied to the automatic feeding box of detergent of washing machine with reference to the accompanying drawings and in conjunction with push-pull lock The preferred embodiment of type, in attached drawing:

Fig. 1 is the signal for the automatic feeding box of detergent that a kind of push-pull lock of embodiment of the utility model is applied to washing machine Figure；

Fig. 2 is a kind of outside schematic diagram of push-pull lock of embodiment of the utility model in the locked state；

Fig. 3 is a kind of outside schematic diagram of push-pull lock of embodiment of the utility model in the unlocked state；

Fig. 4 is the structural schematic diagram of lock tongue in a kind of push-pull lock of embodiment of the utility model；

Fig. 5 is the structural schematic diagram of box body in a kind of push-pull lock of embodiment of the utility model；

Fig. 6 is a kind of unlocked state schematic diagram of the push-pull lock of embodiment of the utility model；

Fig. 7 is a kind of lock state schematic diagram of the push-pull lock of embodiment of the utility model.

Reference signs list:

1, lock body；11, lock box；111, lid；1111, guide groove；112, box body；1121, lockhole；1122, pivotal axis； 121, matrix；1211, pivoting hole；122, the first protruding end；123, the second protruding end；124, third protruding end；125, the 4th is convex Outlet；126, guide rod；13, torsional spring；131, the first torque arm；132, the second torque arm；14, limited block；141, the first confined planes； 142, the second confined planes；2, locking bar；21, card hole；3, the automatic feeding box of detergent；4, feeding box installation position.

Specific embodiment

It will be apparent to a skilled person that this section embodiment is used only for explaining that the technology of the utility model is former Reason, is not intended to limit the protection scope of the utility model.For example, although the utility model is to be applied to washing machine with push-pull lock The automatic feeding box of detergent for be introduced explanation, but those skilled in the art can according to need and make to it Adjustment, to adapt to specific application, such as push-pull lock also can be applied to drawer, sliding door.Obviously, skill adjusted Art scheme will fall into the protection scope of the utility model.

It should be noted that term " on ", "lower", "left", "right", "inner", "outside" etc. in the description of the present invention, The term for indicating direction or positional relationship is direction based on the figure or positional relationship, this is intended merely to facilitate description, Rather than indication or suggestion described device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore It should not be understood as limiting the present invention.Also, term " first ", " second ", " third ", " the 4th " are only used for description mesh , it is not understood to indicate or imply relative importance.

In addition it is also necessary to explanation, in the description of the present invention, unless otherwise clearly defined and limited, art Language " installation ", " fixation ", " setting ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachable Connection；It can be directly connected installation, can also install indirectly connected through an intermediary.For those skilled in the art Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.

It is that a kind of push-pull lock of embodiment of the utility model is applied to the detergent of washing machine certainly referring to figs. 1 to Fig. 3, Fig. 1 The schematic diagram of dynamic feeding box, Fig. 2 is a kind of outside schematic diagram of push-pull lock of embodiment of the utility model in the locked state, figure 3 be a kind of outside schematic diagram of push-pull lock of embodiment of the utility model in the unlocked state.

As shown in Figure 1 to Figure 3, push-pull lock includes locking bar 2 and lock body 1, and locking bar 2 is installed on the automatic feeding box 3 of detergent Left side, lock body 1 are mounted on position corresponding with locking bar 2 on feeding box installation position 4.Lock body 1 includes lock box 11 and is set to lock box Bolt component in 11.The box body 112 and the lid 111 above box body 112 that lock box 11 includes lower part.Bolt component includes The lock tongue being pivotally installed in lock box 11.Locking bar 2 be pushed into lock box 11 during bolt component pushed and make locking bar 2 with Lock box 11 is in the lock state, and bolt component is pulled and makes at locking bar 2 and lock box 11 during locking bar 2 pulls out lock box 11 In unlocked state.

That is, locking bar 2 is thrown automatically in detergent when the automatic feeding box 3 of detergent is pushed into feeding box installation position 4 It puts and is pushed into lock box 11 under the promotion of box 3, locking bar 2 is in the lock state with lock box 11, is avoided and is equipped with the washing for pushing away latch The automatic feeding box 3 of agent is easy the case where unexpectedly being touched and being popped up, to ensure that the normal work of washing machine.This Outside, it before and after putting detergent, needs that the automatic feeding box 3 of detergent is pulled out and is pushed into from feeding box installation position 4, passes through this The push-pull lock of utility model can make the automatic feeding box 3 of detergent automatic during being pushed into and pulling out feeding box installation position 4 It realizes locking and unlocking, eliminates the operation that user needs individually to carry out locking and unlocking, simplify operating procedure, optimize use The usage experience at family.

Referring to Fig. 4 to Fig. 7, Fig. 4 is the structural schematic diagram of lock tongue in a kind of push-pull lock of embodiment of the utility model；Fig. 5 It is the structural schematic diagram of box body in a kind of push-pull lock of embodiment of the utility model, Fig. 6 is a kind of embodiment of the utility model The schematic internal view of push-pull lock in the unlocked state, Fig. 7 be a kind of push-pull lock of embodiment of the utility model in the locked state Schematic internal view.As shown in Figures 4 to 7, the lock tongue of push-pull lock includes matrix 121, and the middle part of matrix 121 is provided with pivot Hole 1211 is provided with the first protruding end 122 and the second protruding end 123 in the circumferential direction of matrix 121, in the inside bottom surface of box body 112 On be provided with pivotal axis 1122, lock tongue is matched with pivotal axis 1122 by pivoting hole 1211 and is connected pivotally to box body 112. Bolt component further includes torsional spring 13, and the first torque arm 131 and the second torque arm 132 of torsional spring 13 are pivoted with lock tongue and box body 112 respectively Connection.

Based on above structure, push-pull lock realizes the process of unlock and locking are as follows: locking bar 2 is pushed into lock box 11 by lockhole 1121 Afterwards, the right end of locking bar 2 contacted with the second protruding end 123 so that push lock tongue around pivotal axis 1122 institute from Fig. 6 (unlocked state) The position shown turns to position shown in Fig. 7 (lock state) counterclockwise.In the process, the first protruding end 122 is with base Body 121 is rotated and is caught in the card hole 21 that 2 right end of locking bar is arranged in, the position shown in Fig. 6 under the drive of lock tongue of torsional spring 13 It sets and turns to position shown in fig. 7, the first torque arm 131 of torsional spring 13 and the folder of the second torque arm 132 around 132 end of the second torque arm Angle becomes larger again from large to small.The angle of the first torque arm 131 and the second torque arm 132 from large to small during torsional spring 13 resistance Lock tongue is hindered to rotate counterclockwise；When the angle of the first torque arm 131 and the second torque arm 132 is in the smallest critical state, torsional spring 13 resistance starts to be changed into the resistance for hindering lock tongue to rotate clockwise；In lock state, torsional spring 13 is in without pretightning force Nature, if lock tongue, which rotates clockwise, will make the angle of the first torque arm 131 and the second torque arm 132 become smaller and generate obstruction lock tongue The resistance rotated clockwise, so that lock tongue be hindered to rotate, the first protrusion 122 and the card hole 21 of locking bar 2 are clamped at this time, to make to lock Bar 2 and lock box 11, which are in the lock state, prevents locking bar 2 from removing.When overcoming torsional spring 13 to hinder the resistance that rotates clockwise of lock tongue to the left When pulling locking bar 2, locking bar 2 and the first protruding end 122 cooperate and are clockwise to lock tongue shown in Fig. 7 around pivotal axis 1122 Position, the first protruding end 122 is located at the side in the push-and-pull path of locking bar 2 at this time, and locking bar 2 and lock tongue can be detached from and realize solution Lock, the second protruding end 123 be located on the push-and-pull path of locking bar 2 can make locking bar 2 contact the second protruding end 123 when being pushed into and Lock tongue is pushed to rotate counterclockwise.It should be noted that the position shown in Fig. 6, torsional spring 13 is similarly in without no pretightning force Nature.

It is matched by lock tongue with torsional spring 13, locking bar 2 can be made to realize locking, locking bar 2 during being pushed into lock box 11 Unlock is realized during pulling out from lock box 11, and avoiding to push away to be easy to appear surprisingly to touch in latch use process makes its unlock The problem of.Also, the automatic feeding box 3 of detergent be pushed into and pull out feeding box installation position 4 during automatically realize locking and Unlock eliminates the operation that user needs individually to carry out locking and unlocking, simplifies operating procedure, and optimize user uses body It tests.In addition, the push-pull lock of the utility model also has the advantages that structure is simple, ingenious in design, manufacturing cost is low etc..

It will be appreciated by persons skilled in the art that torsional spring 13 hinders lock tongue to turn as connection lock tongue and lock box 11 to provide The connection structure of dynamic resistance is a kind of illustrative description, and the concrete form of connection structure is simultaneously not so limited, can be used as Flexible " V " shape component or the telescopic rod for being internally provided with spring etc. other be able to achieve the structure of identical functions to replace Torsional spring 13.By taking the telescopic rod for being internally provided with spring as an example, the spring in telescopic rod makes telescopic rod keep elongation state, telescopic rod Both ends be pivotally connected respectively with lock tongue and lock box 11, in unlocked state and lock state, telescopic rod is in elongation state, unlock During state and lock state are converted, telescopic rod, which is pressurized, to be shortened and makes to shorten and provide the resistance for hindering lock tongue rotation.

With continued reference to Fig. 4, Fig. 6 and Fig. 7, it is preferable that be additionally provided with third protruding end 124, torsional spring on the matrix 121 of lock tongue 13 the first torque arm 131 and the end of third protruding end 124 are pivotally connected.Setting in this way is capable of increasing torsional spring 13 and exists The maximum resistance value generated in rotation process, and the first protruding end 124 of setting different length can be passed through in manufacturing process The maximum resistance value for making torsional spring 13 hinder lock tongue rotation is different, pulls locking bar 2 to realize making for unlock to meet different crowds Use demand.It will be appreciated by persons skilled in the art that the torsional spring of different size can also be arranged to provide not in the fabrication stage Optimize the usage experience of user with the resistance of size to meet the use of different crowd.

With continued reference to Fig. 5 to Fig. 7, it is preferable that be provided with limited block 14 in lock box 11, be provided with first on limited block 14 Confined planes 141 and the second confined planes 142.Lock tongue can be against to the second limit when going to lock state under the promotion of locking bar 2 Face 142 limits lock tongue and continues to rotate, so as to avoid lock tongue turns over the position of lock state and damages the internal structure of push-pull lock It is bad, it can be continued to rotate against to the first confined planes 141 limitation lock tongue when lock tongue goes to unlocked state under the pulling of locking bar 2, So as to avoid lock tongue turns over unlocked state and influences lock tongue 2 and is again pushed into lock box 11.

Referring still to Fig. 5 to Fig. 7, it is preferable that be additionally provided with the 4th protruding end 125 on the matrix 121 of lock tongue.In locking shape Under state, the 4th protruding end 125 is against to the first confined planes 141, and in the unlocked state, third protruding end 124 is against to the second limit Plane 142.Preferably, limited block 14 is elastic limit block.By third protruding end 124 and the 4th protruding end 125 respectively with Two confined planes 142 and the first confined planes 141 are born against to realize limit, can make lock tongue lock state and unlocked state more Securely against improving limit accuracy.Limited block 14 is arranged to elastic limit block, turns to lock state or solution in lock tongue Limited block 14 can play buffer function when lock status, and third protruding end 124 and the 4th protruding end 125 is avoided to limit respectively with second Plane 142 and the first confined planes 141 generate rigid impact and damage limited block 14, to extend service life.In addition, elastic Limited block can be avoided third protruding end 124 and the 4th protruding end 125 respectively with the second confined planes 142 and the first confined planes 141 Biggish noise is generated when collision, has advanced optimized the usage experience of user.It will be appreciated by persons skilled in the art that bullet Property limited block can be manufactured with rubber, silica gel elastomeric material.In addition, the first protruding end 122, the second protruding end 123, third are convex Outlet 124, the 4th protruding end 125 can be integrally formed with the matrix 121 of lock tongue, can also be solid by the modes such as being bonded, being clamped It is scheduled on the matrix 121 of lock tongue.

With continued reference to Fig. 2, Fig. 3, Fig. 4, Fig. 6 and Fig. 7, it is preferable that fixed on the second protruding end 123 to be equipped with guide rod 126, position corresponding with guide rod 126 is provided with and the matched guide groove 1111 of guide rod 126 on lid 111.By leading Setting to bar 126 and guide groove 1111 can guide lock tongue to rotate.In addition, in the case where lock tongue is stuck, it is convenient to dial manually Action-oriented bar 126 resets lock tongue.It will be appreciated by persons skilled in the art that guide rod 126 is arranged in the second protruding end 123 Upper is only a kind of illustrative description, and those skilled in the art, which can according to need, makes adjustment to it, specific to adapt to Application, as guide rod 126 also can be set in matrix 121, the first protruding end 122, third protruding end 124 or the 4th On protruding end 125.Obviously, technical solution adjusted will fall into the protection scope of the utility model.

Referring still to Fig. 4, it is preferable that the thickness of the second protruding end 123 is (i.e. perpendicular to the ruler in lock tongue plane of rotation direction It is very little) it is greater than the thickness of the first protruding end 122.Setting in this way can enhance the intensity of the second protruding end 123, keep away Exempt from the second protruding end 123 to be deformed in 2 pushing course of locking bar and stuck with lock box 11.In addition, increasing by the second protruding end 123 Thickness, can relatively shorten the length of guide rod 126.In the case of guide rod 126 is too long, under identical external force It will make to stir the torque increase that guide rod 126 resets, and be not easy to reset, and torque increase is easy to appear guide rod 126 and is rolled over Disconnected situation.

It can be seen from the above description that push-pull lock includes locking bar and lock box, lock in the preferred embodiment of the utility model The lockhole for allowing the locking bar to protrude into is provided on box, lock box includes box body and lid, and bolt component, lock tongue are provided in lock box Component includes the lock tongue being pivotally installed in lock box, lock tongue include matrix and the first protruding end that matrix is circumferentially arranged, Second protruding end, third protruding end and the 4th protruding end.Bolt component further includes torsional spring, the first torque arm and the second torque arm of torsional spring It is pivotally connected respectively with third protruding end and box body.Locking bar is by pushing the second protruding end and the first protruding end being pulled to make lock tongue Rotation, under the cooperation of torsional spring, locking bar push the second protruding end so that lock tongue is turned to the position of lock state and realize locking bar with Lock box locking, locking bar overcome the resistance of torsional spring to pull the first protruding end that lock tongue is made to rotate backward to the position of unlocked state and realize Locking bar and lock box unlock.Preferably, it is additionally provided with limited block in lock box, the first confined planes and the second limit are provided on limited block Plane.In the case of locking bar and lock box are in the unlocked state, the 4th protruding end is against to the first confined planes, in locking bar and lock box In the case of being in the lock state, third protruding end is against to the second confined planes.By the way that limited block is arranged, it can prevent lock tongue from existing Locking bar push-in or position during pulling out lock box when turning over lock state or unlocked state and the internal junction for damaging push-pull lock Structure or influence lock tongue are again pushed into.

Above embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but can not Therefore it is interpreted as that a limitation on the scope of the patent of the present invention.It should be pointed out that for those of ordinary skill in the art For, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to practical Novel protection scope.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of push-pull lock, including locking bar and lock box, the lockhole for allowing the locking bar to protrude into, feature are provided on the lock box It is, is provided with bolt component in the lock box,

The bolt component includes the lock tongue being pivotally installed in the lock box,

The bolt component can be such that the locking bar and the lock box is in the lock state and in quilt in the case of being pushed Make the locking bar and the lock box in the unlocked state in the case of pulling.

2. push-pull lock according to claim 1, which is characterized in that the lock tongue includes matrix and is set to described matrix On the first protruding end and the second protruding end,

Wherein, the locking bar is protruded into after the lock box through the lockhole and is pushed by way of with the second protrusion end in contact The lock tongue rotation, the rotation can be such that first protruding end is clamped to the card hole being set on the locking bar to reach State lock state.

3. push-pull lock according to claim 2, which is characterized in that second protruding end is in the locking bar and the lock box In the position for avoiding the lockhole in the case of the unlocked state, second protruding end is in pushing away for the locking bar It draws on path so as to the locking bar and the second protrusion end in contact.

4. push-pull lock according to claim 3, which is characterized in that the bolt component includes torsional spring, and the of the torsional spring One torque arm and the second torque arm are pivotally connected with the lock box and the lock tongue respectively, and

When the locking bar and the lock box are in the unlocked state or the lock state, the torsional spring is in no preload The nature of power.

5. push-pull lock according to claim 4, which is characterized in that the lock tongue further includes be set in described matrix Three protruding ends, first torque arm are connected pivotally to the third protruding end.

6. push-pull lock according to claim 5, which is characterized in that be provided with limited block, the limited block in the lock box On be provided with the first confined planes and the second confined planes,

Wherein, in the case of the locking bar and the lock box are in the unlocked state and the lock state, the lock tongue It bears against to first confined planes and second confined planes.

7. push-pull lock according to claim 6, which is characterized in that the lock tongue further includes be set in described matrix Four protruding ends, in the case of the locking bar and the lock box are in the unlocked state, the 4th protruding end is against to institute State the first confined planes.

8. push-pull lock according to claim 6, which is characterized in that be in the locking shape in the locking bar and the lock box In the case of state, the third protruding end is against extremely second confined planes.

9. the push-pull lock according to any one of claim 6 to 8, which is characterized in that the limited block is elastic limit block.

10. push-pull lock according to any one of claim 1 to 8, which is characterized in that the lock box includes box body and sets The lid being placed on the box body,

It is provided with guide rod on the lock tongue, is provided on the lid and the matched guide groove of the guide rod.