CN113700383B

CN113700383B - Door lock and washing machine

Info

Publication number: CN113700383B
Application number: CN202111065914.2A
Authority: CN
Inventors: 柳宗超; 伊茂聪; 高尚; 惠浩然
Original assignee: Hisense Shandong Refrigerator Co Ltd
Current assignee: Hisense Refrigerator Co Ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-06-21
Anticipated expiration: 2041-09-10
Also published as: CN113700383A

Abstract

The application provides a door lock and a washing machine, which comprise a shell and a moving part, wherein the shell is provided with a screwless clamping block which is used for clamping so that the door lock is clamped and fixed; the movement piece sets up in the casing and can move for the casing, and the motion of movement piece has and predetermines limit position, and wherein, the movement piece is provided with fixed shelves, moves to predetermineeing limit position when the movement piece, and fixed shelves can restrict the motion of no screw card shelves, leaves when the movement piece and predetermines limit position for no screw card shelves can move in order to carry out the joint. According to the door lock, the fixing block is arranged on the mounting rod, the opening and the sliding groove are formed in the lower shell, the screwless blocking block is arranged on the upper shell, and the mounting rod is moved to enable the fixing block to be located at different positions to block or release the screwless blocking block, so that screwless mounting of the door lock is achieved, and mounting operation is simple; through setting up first buckle structure and second buckle structure, can be so that go up casing and casing installation reliable and stable down.

Description

Door lock and washing machine

Technical Field

The application relates to the technical field of door locks, in particular to a door lock and a washing machine.

Background

The door lock or door switch used in the current washing machine and clothes dryer industry has the following characteristics: 1. a door lock or a door switch with screws is required to be fixed on the front plate through the screws; 2. the door lock or the door switch without the screw of the double salient point type is characterized in that a door hook hole and two salient point holes are reserved on the front plate, and the door switch or two salient points on the door lock are clamped on the two salient point holes reserved on the front plate, so that the door lock or the door switch can be fixed on the front plate without the screw; 3. the fully-concealed screwless door lock or door switch is characterized in that only one door hook hole is reserved on a front plate, and the door lock or door switch is fixed on the front plate through a locking structure of the door lock or door switch; the existing bolt-free door lock has relatively complex structure and inconvenient installation.

Disclosure of Invention

One object of the present application is to propose a door lock.

In order to solve the technical problem, the following technical scheme is adopted in the application: a door lock, comprising:

the door lock comprises a shell, a door lock body and a door lock body, wherein the shell is provided with a screwless clamping bar which is used for clamping so that the door lock body is clamped and fixed;

the motion piece, set up in the casing and can for the casing motion, just the motion of motion piece has and predetermines limit position, wherein, the motion piece is provided with fixed shelves, works as the motion piece moves extremely predetermine limit position, fixed shelves can restrict the motion of no screw card shelves, works as the motion piece leaves predetermine limit position, make no screw card shelves can move in order to carry out the joint.

According to an embodiment of the application, the device further comprises an elastic piece which is abutted against the moving piece and provides elastic force for driving the moving piece to the preset limiting position;

when the moving piece is pressed, the moving piece can move to leave the preset limiting position and enable the elastic piece to deform.

According to an embodiment of the application, the casing is provided with first guide structure, the motion piece is provided with second guide structure, first guide structure with the cooperation of second guide structure is right the motion direction of motion piece.

According to an embodiment of the application, one of the first and second guide structures comprises a guide rail and the other comprises a guide shoe cooperating with the guide rail and slidable along the guide rail to guide the moving member.

According to an embodiment of the application, a first stop block is arranged on the guide rail; and/or

And a second stop block is arranged on the moving piece.

According to an embodiment of the application, the housing is provided with an opening, the opening is arranged opposite to the screwless retaining position, wherein when the moving member moves to the preset limit position, the fixed stop blocks at least a part of the opening, and when the moving member leaves the preset limit position, the opening is opened for avoiding the screwless retaining.

According to an embodiment of the application, the moving part is located in the shell, the moving part is provided with a pressing part extending out of the shell, and when the pressing part is pressed, the moving part leaves the preset limiting position.

According to an embodiment of the application, a sliding groove is formed in the housing, and the moving part is slidably disposed in the sliding groove.

According to an embodiment of the present application, the housing includes an upper housing;

the lower shell is connected with the upper shell in a buckling mode, the screwless retainer is arranged on the upper shell, and the moving part is arranged in the lower shell and can move in the lower shell.

According to an embodiment of the present application, the apparatus further comprises a cam rotatably disposed within the housing.

According to an embodiment of the application, the shell is provided with a buckling structure.

Another aspect of the present application also provides a washing machine, including:

the front plate and the door lock of any one of the above embodiments, the front plate is provided with a door lock hole, and a screwless stop of the door lock is abutted against the door lock hole to be clamped with the door lock.

In the application, the fixing block is arranged on the mounting rod, the opening and the sliding groove are arranged on the lower shell, the screwless blocking block is arranged on the upper shell, and the mounting rod is moved to enable the fixing block to be located at different positions to block or release the screwless blocking block, so that screwless mounting of the door lock is realized, and the mounting operation is simple; by arranging the first buckle structure and the second buckle structure, the upper shell and the lower shell can be installed without screws, and the installation is stable and reliable; the motion of the mounting rod is limited through the matching of the first stop block and the second stop block.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The above and other objects, features and advantages of the present application will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Fig. 1 is a schematic structural diagram of a door lock according to an embodiment of the present application.

Fig. 2 is a schematic view of an internal installation structure of a door lock according to an embodiment of the present application.

Fig. 3 is a schematic view of a lower housing structure according to an embodiment of the present application.

Fig. 4 is a schematic diagram illustrating an upper housing structure according to an embodiment of the present application.

Fig. 5 is a schematic view of a moving member according to an embodiment of the present application.

Fig. 6 is a schematic view illustrating the installation of a door lock on a front plate according to an embodiment of the present application.

The reference numerals are explained below:

the door lock comprises a door lock 100, a housing 200, a screwless catch 210, a first guide structure 220, a guide rail 221, a first stopper 222, an opening 230, a sliding groove 240, an upper housing 250, a lower housing 260, a buckle structure 270, a first buckle structure 271, a first catch plate 2711, a first catch plate 2712, a second buckle structure 272, a second catch plate 2721, a second catch plate 2722, a moving part 300, a fixed catch 310, a second guide structure 320, a guide block 321, a second catch block 330, a pressing part 340, an elastic part 400, a spring 401, a cam 500, a locking device 600 and a front plate 700.

Detailed Description

While this application is susceptible of embodiment in different forms, there is shown in the drawings and will herein be described in detail only some specific embodiments thereof with the understanding that the present disclosure is to be considered as an exemplification of the principles of the application and is not intended to limit the application to that as illustrated herein.

Thus, a feature indicated in this specification is intended to describe one of the features of an embodiment of the application and does not imply that every embodiment of the application must have the described feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.

In the embodiments shown in the drawings, directional references (such as up, down, left, right, front, and rear) are used to explain the structure and movement of the various elements of the present application not absolutely, but relatively. These descriptions are appropriate when the elements are in the positions shown in the drawings. If the description of the positions of these elements changes, the indication of these directions changes accordingly.

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present application and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

The preferred embodiments of the present application will be further described in detail below with reference to the accompanying drawings of the present specification.

As shown in fig. 1 to 6, an embodiment of the present application provides a door lock 100, including a housing 200 and a moving member 300, wherein the housing 200 is provided with a screwless catch 210, and the screwless catch 210 is used for clamping to enable the door lock 100 to be clamped and fixed; the moving member 300 is disposed on the housing 200 and can move relative to the housing 200, and the movement of the moving member 300 has a preset limit position, the preset limit position is a position area, in the position area, the moving member 300 can have a limit function, the moving member 300 is provided with a fixed stop 310, when the moving member 300 moves to the preset limit position, the fixed stop 310 can limit the movement of the screwless stop 210, and when the moving member 300 leaves the preset limit position, the screwless stop 210 can move to perform clamping.

The door lock 100 used in the present application is a screwless door lock for snap-fit mounting on a panel body provided with a door lock hole.

As shown in fig. 2, in an embodiment, the door lock 100 further includes an elastic member 400 abutting against the moving member 300 and providing an elastic force for driving the moving member 300 to a predetermined limit position; when the mover 300 is pressed, the mover 300 can move to leave the preset limit position and deform the elastic member 400. Thus, the moving member 300 is driven by the elastic member 400, so that the structure is simple and the operation is simple.

In certain more specific embodiments, the resilient member 400 is a spring 401 and the moving member 300 is a mounting rod.

As shown in fig. 2 and 3, in an embodiment, the housing 200 is provided with a first guide structure 220, the moving member 300 is provided with a second guide structure 320, and the first guide structure 220 and the second guide structure 320 cooperate to guide the movement of the moving member 300. In this way, the movement of the mover 300 can be made smoother by providing the first and

second guide structures

220 and 320.

In some more specific embodiments, the first guiding structure 220 is a guiding rail 221, the second guiding structure 320 is a guiding block 321, the guiding block 321 is sleeved on the guiding rail 221, the guiding rail 221 is stationary, and the guiding block 321 can slide on the guiding rail 221. Thus, the movement of the mover 300 can be made more smooth.

Further, the guide rail 221 is provided with a first stopper 222, and the moving member 300 is provided with a second stopper 330. The first stopper 222 can block the movement of the guide 321, and the second stopper 330 blocks the movement of the mover 300. The first stopper 222 and the second stopper 330 cooperate to limit the movement of the mover 300, thereby limiting the position of the mover 300.

In one embodiment, as shown in fig. 1 and 2, an opening 230 is formed on the housing 200, the opening 230 is disposed opposite to the position of the screw-less stop 210, and the screw-less stop 210 can enter the opening 230, wherein when the moving member 300 moves to the preset limit position, the fixing stop 310 blocks at least a portion of the opening 230, because the opening 230 is blocked, the screw-less stop 210 cannot extend into the housing 200 from the opening 230 to enable the latch of the door lock 100, and when the moving member 300 moves away from the preset limit position, the opening 230 is opened, and the screw-less stop 210 can extend into the housing 200 from the opening 230, and at this time, the door lock 100 can enter the door lock hole for installation.

As shown in fig. 5, in an embodiment, the moving element 300 is located in the housing 200, and the moving element 300 has a pressing portion 340 protruding out of the housing 200, when the pressing portion 340 is pressed, the moving element 300 is away from the predetermined position. That is, in the initial state, due to the existence of the elastic member 400, the moving member 300 is located at the preset limit position, and when the door lock 100 needs to be installed, the pressing portion 340 is pressed, so that the moving member 300 is separated from the preset position, and at this time, the screwless catch 210 can be forced to extend into the interior of the housing 200, so that the housing 200 can extend into the door lock hole.

In one embodiment, a sliding slot 240 is formed in the housing 200, and the moving member 300 is slidably disposed in the sliding slot 240. The movement of the mover 300 is made smoother by the restriction of the slide groove 240 enabling the mover 300 to slide in a specific area.

As shown in fig. 1, in an embodiment, the housing 200 includes an upper housing 250 and a lower housing 260, the lower housing 260 is snap-coupled to the upper housing 250, the screwless catches 210 are disposed on a side of the upper housing 250, and the moving member 300 is disposed in the lower housing 260 and can move in the lower housing 260.

Further, the sliding groove 240 is disposed in the lower housing 260, the opening 230 is also disposed on the lower housing 260, the opening 230 is communicated with the sliding groove 240, when the moving element 300 slides in the sliding groove 240, the fixing rail 310 can slide to the opening, a part or all of the fixing rail 310 at the opening 230 can limit the screw-free stop 210 at the opening 230, and the screw-free stop 210 is prevented from entering the lower housing 260 from the opening 230 to be clamped.

As shown in fig. 2, in an embodiment, the door lock 100 further includes a cam 500, the cam 500 is provided with a hole, and a rotating shaft is provided in the housing 200, and the hole of the cam 500 is engaged with the rotating shaft so that the cam 500 can rotate around the rotating shaft.

As shown in fig. 2, in an embodiment, the door lock 100 further includes a locking device 600, and the locking device 600 is configured to lock the door lock 100, specifically, after the door hook is inserted into the door lock 100, the cam 500 is driven to rotate reversely, and the cam is locked by the locking device 600 to move, so as to achieve the purpose of locking the door body. When the locking device 600 is applied to door opening and closing, the detection device can also be used as a detection device, when the door hook is inserted into the door opening and closing, the cam 500 is driven to rotate reversely, and the detection device is in different states, so that the purpose of detecting whether the door body is closed or not is achieved.

As shown in fig. 1, in an embodiment, the housing 200 is provided with a snap structure 270. The snap structure 270 is provided to make the installation of the upper housing 250 and the lower housing 260 stable and reliable, and the operation is simple.

Further, the snap structure 270 includes a first snap structure 271 and a second snap structure 272. The first and

second snap structures

271 and 272 are both disposed outside the housing 200 and on adjacent sides of the housing 200.

In some specific embodiments, the first snap structure 271 includes a first card plate 2711 and a first catch 2712, the first card plate 2711 is disposed outside the upper housing 250, the first catch 2712 is disposed outside the lower housing 260, and the first card plate 2711 can be inserted inside the first catch 2712 when mounted. In this way, the mounting of the upper case 250 and the lower case 260 can be stabilized.

Further, the second buckle structure 272 includes a second catch 2721 and a second catch 2722, the second catch 2721 is disposed outside the upper housing 250, and the second catch 2722 is disposed outside the lower housing, so that when the mounting is performed, the second catch 2721 can be inserted into the second catch 2722. In this way, the mounting of the upper case 250 and the lower case 260 can be stabilized.

As shown in fig. 6, according to another aspect of the present application, there is further provided a washing machine, which includes a front plate 700 and the door lock 100 of any of the above embodiments, wherein the front plate 700 is provided with a door locking hole, and the screwless catch 210 of the door lock 100 abuts against the door locking hole to lock the door lock 100. This allows only the lock hole of the door lock 100 to be exposed, thereby hiding the door lock 100.

The present application provides a preferred embodiment:

a screwless door lock includes an upper case 250, a lower case 260, a spring 401, a mounting lever, a cam 500, a locking device or a detecting device.

Specifically, be provided with on the upper casing 250 no screw card shelves 210, be provided with opening 230 on the lower casing 260, be provided with spout 240 with the position of opening intercommunication on the lower casing 260, the installation pole can slide in spout 240, installation pole one end is provided with presses the portion 340, sets up and presses the portion 340 and conveniently exert pressure to the installation pole.

The fixing stopper 310 is arranged on the installation rod and can move along with the movement of the installation rod, the installation rod drives the fixing stopper 310 to be in different positions when moving, the pressing part 340 is pressed, the spring 401 is compressed at the moment, the fixing stopper 310 is separated from the buckle 230, the screwless stopper 210 can enter the lower shell 260 from the opening 230, when the pressing part 340 is not applied, under the elastic force action of the spring 401, when the fixing stopper 310 is partially or completely positioned at the opening 230, the screwless stopper 210 can be limited, and the screwless stopper 210 is prevented from entering the shell 200 from the opening 230.

Be provided with guide rail 221 in spout 240 bottom, the spring 401 cover is established on the installation pole, be provided with guide block 321 on the installation pole, guide block 321 bottom is seted up slottedly, when the installation, the groove of guide block 321 can cover on guide rail 221, remove the installation pole and can make guide block 321 slide on guide rail 221, also be provided with slottedly in the bottom of fixed fender 310, guide rail 221 sets up two, correspond the groove of guide block 321 and fixed fender 310 bottom respectively, and like this, can make the motion of installation pole in casing 200 more steady.

The second stopper 330 is disposed on the mounting rod, the first stopper 222 is disposed on the guide rail 221, a recess is downwardly disposed in the middle of the sliding groove 240 for accommodating the second stopper 330, the first stopper 222 limits the movement of the guide block 321 on the guide rail 221, and the second stopper 330 limits the mounting rod, so that the movement of the mounting rod is limited by the cooperation of the first stopper 222 and the second stopper 330.

A ramp is provided on the second stop 330 so that when the mounting rod returns to its original position under the action of the spring 401, the ramp on the second stop 330 allows the screwless stop 210 to smoothly disengage from the opening 230.

When the door lock 100 is installed, the installation rod is manually pressed, so that the fixing stopper 310 on the installation rod is compressed into the sliding groove 240, the screwless stopper 210 on the upper shell 250 is compressed into the opening 230 of the sliding groove 240 through the front plate, the shell 200 of the door lock 100 is installed in the door lock hole of the front plate 700, the fixing stopper 310 on the installation rod moves to the opening 230 of the sliding groove 240 under the action of the spring 401 by releasing the hand, the movement of the screwless stopper 210 of the upper shell 250 is limited, and the purpose of fixing the door lock 100 is achieved.

The screwless door lock of the embodiment can realize the following effects:

1. the fixing block 310 is arranged on the installation rod, the opening 230 and the sliding groove 240 are arranged on the lower shell 260, the screwless blocking block 210 is arranged on the upper shell 250, and the installation rod is moved, so that the fixing block 310 is located at different positions to block or release the screwless blocking block 210, and further screwless installation of the door lock 100 is realized, and the installation operation is simple.

2. Through setting up first buckle structure and second buckle structure, can be so that upper housing 250 and lower housing 260 need not the screw just can install and install reliable and stable.

3. The first stop 222 and the second stop 330 cooperate to limit the movement of the mounting rod.

While the present application has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present application may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A door lock, comprising:

the moving part is arranged on the shell and can move relative to the shell, the moving part moves to a preset limiting position, the moving part is provided with a fixed gear, when the moving part moves to the preset limiting position, the fixed gear can limit the movement of the screw-free clamping gear, and when the moving part leaves the preset limiting position, the screw-free clamping gear can move to clamp;

the shell is provided with a first guide structure, the moving part is provided with a second guide structure, and the first guide structure and the second guide structure are matched for guiding the movement of the moving part;

one of the first and second guide structures comprises a guide rail and the other comprises a guide block, the guide block is matched with the guide rail and can slide along the guide rail to guide the moving part;

a sliding groove is formed in the shell, and the moving part is arranged in the sliding groove in a sliding manner;

the guide rail is provided with a first stop block which limits the motion of the guide block on the guide rail, the moving part is provided with a second stop block, the middle of the sliding groove is downwards provided with a concave part for accommodating the second stop block, the second stop block limits the motion of the moving part, and the first stop block and the second stop block are matched to limit the motion of the moving part;

an inclined plane is arranged on the second stop block.

2. The door lock of claim 1, further comprising:

the elastic piece is abutted against the moving piece and provides elastic force for driving the moving piece to the preset limiting position;

when the moving piece is pressed, the moving piece can move to leave the preset limit position and deform the elastic piece.

3. The door lock according to claim 1 or 2,

the housing is provided with an opening disposed opposite the screwless retaining position, wherein when the moving member moves to the preset limit position, the fixed stop blocks at least a portion of the opening, and when the moving member leaves the preset limit position, the opening is opened for avoiding the screwless retaining.

4. The door lock according to claim 1 or 2,

the moving part is located in the shell and provided with a pressing part extending out of the shell, and when the pressing part is pressed, the moving part leaves the preset limiting position.

5. The door lock according to claim 1 or 2, wherein the housing comprises:

an upper housing;

6. The door lock according to claim 1 or 2, further comprising:

a cam rotatably disposed within the housing.

7. The door lock according to claim 1 or 2,

the shell is provided with a buckle structure.

8. A washing machine, characterized in that the washing machine comprises:

a front plate;

and a door lock according to any one of claims 1 to 7,

the front plate is provided with a door lock hole, and a bolt-free blocking piece of the door lock is abutted against the door lock hole to be clamped with the door lock.