CN112981866A - Door lock assembly for clothes treatment equipment and clothes treatment equipment - Google Patents

Abstract

The invention relates to the technical field of clothes treatment, and particularly provides a door lock assembly for clothes treatment equipment and the clothes treatment equipment, aiming at solving the problems that the door body of the existing clothes treatment equipment is difficult to close and the use experience of a user is influenced. For the purpose, the door lock assembly comprises a first lock hook, a second lock hook, a lock cylinder and a driving member, wherein the first lock hook is arranged on a door body or a box body, the lock cylinder and the driving member are arranged on the box body or the door body, and the driving member is connected with the second lock hook; when the door body is closed, the first lock hook is inserted into the lock core and thus the door body and the box body are preliminarily locked; after the door body and box are tentatively locked, drive component drive second latch hook is inserted in the latch core and is cooperated with first latch hook in order to lock the door body and box accuracy for the user does not need to use very big power to rotate the handle of lock subassembly and just can make lock subassembly lock the door body and box when the manual door that closes, and the user uses very little power just can realize closing the door operation, promotes user experience.

Description

Door lock assembly for clothes treatment equipment and clothes treatment equipment

Technical Field

The invention relates to the technical field of clothes treatment, and particularly provides a door lock assembly for clothes treatment equipment and the clothes treatment equipment.

Background

The clothes treatment equipment is used as a household appliance commonly used in daily life, and brings great convenience to the life of people. The laundry treating apparatus mainly includes a washing apparatus, a drying apparatus, and a washing and drying integrated apparatus, and is classified according to a washing manner, and the washing apparatus may be roughly classified into a pulsator type washing machine and a drum type washing machine.

Taking the drum washing machine as an example, when the drum washing machine works normally, in order to ensure the safe operation of the drum washing machine, the door lock assembly is arranged on the drum washing machine to lock the door body and the box body of the drum washing machine, so that the working space inside the drum washing machine becomes a closed space, and the door body is prevented from being damaged by being opened by misoperation of a user. However, in the process of locking the door body and the box body, a user needs to apply a large force to rotate the handle of the door lock assembly to lock the door body and the box body, the door body is difficult to close, and the user use experience is influenced.

Therefore, there is a need in the art for a new door lock assembly for a laundry treating apparatus and a laundry treating apparatus to solve the above-mentioned problems.

Disclosure of Invention

In order to solve the above problems in the prior art, that is, to solve the problems that the closing of the door body of the existing clothes treatment equipment is difficult and the user experience is affected, the invention provides a door lock assembly for clothes treatment equipment, the clothes treatment equipment comprises a door body and a box body, the door lock assembly comprises a first lock hook, a second lock hook, a lock cylinder and a driving member, the first lock hook is arranged on the door body or the box body, the lock cylinder and the driving member are arranged on the box body or the door body, and the driving member is connected with the second lock hook; when the door body is closed, the first lock hook is inserted into the lock core and thus the door body and the box body are preliminarily locked; after the door body and the box body are locked preliminarily, the driving component drives the second lock hook to be inserted into the lock core and matched with the first lock hook so as to lock the door body and the box body accurately.

In the preferred technical scheme of the door lock assembly, the lock cylinder comprises a lock cylinder body and an elastic bolt, the lock cylinder body is arranged on the box body, a lock hole is formed in the lock cylinder body, and the elastic bolt is arranged in the lock hole; when the door body is closed, the first lock hook is inserted into the lock hole and is preliminarily locked in the lock cylinder body by the elastic lock tongue, and therefore the door body and the box body are preliminarily locked; after the door body and the box body are locked preliminarily, the driving member drives the second lock hook to be inserted into the lock hole and accurately locks the first lock hook in the lock cylinder body, and therefore the door body and the box body are accurately locked.

In the preferred technical scheme of the door lock assembly, the elastic lock tongue comprises an adjusting rod, a lock tongue body, a blocking part and a spring, the lock core body is also provided with an installation hole communicated with the lock hole, the adjusting rod penetrates through the installation hole and can move along the length direction of the installation hole, the lock tongue body is connected with a first end of the adjusting rod and is positioned in the lock hole, the blocking part is connected with a second end of the adjusting rod and is positioned on the outer side of the lock core body, and the blocking part is used for preventing the elastic lock tongue from slipping out of the installation hole; the spring sleeve is established on adjusting the pole, and the first end and the lock tongue of spring are connected, and the second end and the inner wall connection of mounting hole of spring.

In the above-mentioned preferred technical scheme of door lock subassembly, the lock core still includes the first detection component that sets up in the keyhole, and first detection component is used for detecting first latch hook and whether with door body and the preliminary locking of box.

In the above-mentioned preferred technical scheme of door lock assembly, the lock core still includes the second detection component that sets up in the lock core main part, and the second detection component is used for detecting whether second latch hook locks door body and box accuracy.

In the preferred technical scheme of the door lock assembly, the first lock hook comprises a lock rod, a connecting rod and a mounting seat, the lock rod is connected with the mounting seat through the connecting rod, and the mounting seat is arranged on the door body; when the door body is closed, the connecting rod drives the lock rod to be inserted into the lock hole and matched with the elastic lock tongue, so that the lock rod is preliminarily locked in the lock cylinder body by the elastic lock tongue.

In a preferred embodiment of the door lock assembly, the second locking hook includes a first locking arm, a second locking arm and a connecting arm, a first end of the first locking arm is connected to a first end of the second locking arm through the connecting arm, and the connecting arm is connected to an output end of the driving member; after the locking rod moves to the primary locking position, the driving member drives the first locking arm and the second locking arm to be inserted into the locking hole respectively through the connecting arm, and the first locking arm and the second locking arm are matched with the locking rod respectively, so that the locking rod is accurately locked in the lock cylinder body through the second locking hook.

In the preferable technical scheme of the door lock assembly, the top of the lock rod is provided with a first sliding groove in sliding fit with the first lock arm and a second sliding groove in sliding fit with the second lock arm; one side of the lock cylinder body is provided with a first jack communicated with the lock hole, and the other side of the lock cylinder body is provided with a second jack communicated with the lock hole; after the locking rod moves to the primary locking position, the driving member drives the second end of the first locking arm and the second end of the second locking arm to be inserted into the locking hole through the first insertion hole respectively through the connecting arm, and the second end of the first locking arm and the second end of the second locking arm slide through the first sliding groove and the second sliding groove respectively to be inserted into the second insertion hole, so that the locking rod is accurately locked in the lock cylinder body.

In the above-mentioned preferred technical solution of the door lock assembly, the bottom surface of the first lock arm is obliquely arranged, so that the thickness of the first lock arm is gradually increased from the second end of the first lock arm to the middle part of the first lock arm; and/or the bottom surface of the second locking arm is obliquely arranged, so that the thickness of the second locking arm is gradually increased from the second end of the second locking arm to the middle part of the second locking arm.

In addition, the present invention also provides a laundry treating apparatus including the door lock assembly.

As can be understood by those skilled in the art, in a preferred embodiment of the present invention, the door lock assembly includes a first locking hook, a second locking hook, a lock cylinder, and a driving member, the first locking hook is disposed on the door body or the cabinet, the lock cylinder and the driving member are disposed on the cabinet or the door body, and the driving member is connected to the second locking hook. Compared with the technical scheme that a user needs to apply a great force to rotate the handle of the door lock assembly to lock the door body and the box body in the prior art, in the process of locking the door body and the box body, when the door body is closed, the first lock hook is inserted into the lock core under the action of the external force of the user pushing the door body and then preliminarily locks the door body and the box body (namely, the door body is closed), after the door body and the box body are preliminarily locked, the driving member drives the second lock hook to be inserted into the lock core and matched with the first lock hook to prevent the first lock hook from being pulled out of the lock core under the action of the external force and thus accurately lock the door body and the box body (namely, the door body is locked), namely, when the user manually closes the door, the door lock assembly can lock the door body and the box body without rotating the handle of the door lock assembly with a great force, the user experience is improved.

Furthermore, the lock core comprises a lock core body and an elastic bolt, the lock core body is arranged on the box body, the lock core body is provided with a lock hole, the elastic bolt is arranged in the lock hole, through the arrangement, when the door body is closed, the first lock hook is inserted into the lock core under the action of external force of a user manually pushing the door body, and the elastic bolt is pressed to deform the elastic bolt, and thus the first hook is moved to a preliminary locking position (e.g., a position below the elastic bolt), after the first lock hook moves to the primary locking position, the extrusion acting force between the first lock hook and the elastic bolt is eliminated, the elastic bolt restores to deform to enable the elastic bolt to return to the initial position, the first lock hook is limited between the elastic bolt and the bottom of the lock cylinder body, therefore, the first lock hook is preliminarily locked in the lock cylinder body, and the door body and the box body are preliminarily locked; after the door body and the box are tentatively locked, the driving member drives the second latch hook to be inserted into the lock core and to be matched with the first latch hook to accurately lock the first latch hook in the lock core body, so that the first latch hook is prevented from being pulled out from the lock core under the action of external force, the door body is prevented from being opened under the action of external force, the accurate locking of the door body and the box is realized, the door closing operation can be realized by a user with very small force, and the use experience of the user is improved.

Further, first latch hook includes the locking lever, connecting rod and mount pad, the locking lever passes through the connecting rod and the mount pad is connected, the mount pad sets up on the door body, through such setting, make when the door integument is closed, under the effect of the external force of the manual promotion door body of user, the connecting rod drives the locking lever and inserts in the lockhole, and extrude elastic spring bolt and make elastic spring bolt produce deformation, and consequently make the locking lever remove to preliminary latched position, thereby tentatively lock the locking in the lock core originally internally with the locking lever, the user uses very little power just can realize closing the door operation, promote user use and experience.

Further, the second latch hook includes first latch arm, second latch arm and linking arm, the first end of first latch arm is connected through the first end of linking arm and second latch arm, the output of linking arm and drive member is connected, through such setting, make after the locking lever removes to preliminary latched position, drive member passes through linking arm drive first latch arm and second latch arm and inserts respectively in the lockhole, and first latch arm and locking lever cooperation, the second latch arm also cooperates with the locking lever, at the complex in-process, first latch arm and second latch arm extrusion locking lever, make the locking lever remove to accurate latched position under the effect of the effect that first latch arm and second latch arm exerted, thereby with the locking lever accurate locking at this internal, and consequently with the accurate locking of door body and box.

Drawings

Preferred embodiments of the present invention will now be described with reference to the accompanying drawings, in conjunction with a drum washing machine, wherein:

FIG. 1 is an assembly view of the door lock assembly of the present invention;

figure 2 is an exploded view of the door lock assembly of the present invention.

In the drawings:

1. a first latch hook; 11. a lock lever; 111. a first chute; 112. a second chute; 12. a connecting rod; 13. a mounting seat; 2. a second latch hook; 21. a first lock arm; 22. a second lock arm; 23. a connecting arm; 3. a lock cylinder; 31. a lock cylinder body; 311. a lock hole; 312. mounting holes; 313. a first jack; 314. a second jack; 32. an elastic bolt; 321. adjusting a rod; 322. a lock tongue; 323. a blocking portion; 324. a spring; 33. a first detection member; 34. a second detection member; 4. a drive member.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. For example, although the present application is described in conjunction with a drum washing machine, the technical solution of the present invention is not limited thereto, and may be applied to other laundry treating apparatuses such as a pulsator washing machine, a drum drying machine, a pulsator type dryer, a drum washer dryer, and a pulsator type washer dryer without departing from the principle and scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "inner", "outer", "front", "rear", "left", "right", "upper", "lower", "bottom", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Based on the technical problems provided in the background art, the invention provides a door lock assembly for a drum washing machine, and aims to ensure that a user can lock a door body and a box body by the door lock assembly without rotating a handle of the door lock assembly with great force when manually closing the door through the mutual matching of a first lock hook, a second lock hook, a lock cylinder and a driving member, so that the user can realize door closing operation with small force, and the use experience of the user is improved.

Referring to fig. 1 and 2, fig. 1 is an assembly view of the door lock assembly of the present invention; figure 2 is an exploded view of the door lock assembly of the present invention. The drum washing machine of the invention comprises a door body and a box body. As shown in fig. 1 and 2, the door lock assembly of the present invention includes a first locking hook 1, a second locking hook 2, a lock cylinder 3 and a driving member 4, wherein the first locking hook 1 is disposed on the door body, the lock cylinder 3 and the driving member 4 are disposed on the cabinet body, and the driving member 4 is connected to the second locking hook 2; when the door body is closed, the first lock hook 1 is inserted into the lock cylinder 3 and thus the door body and the cabinet body are preliminarily locked; after the door body and the cabinet are locked preliminarily, the driving member 4 drives the second locking hook 2 to be inserted into the lock cylinder 3 and cooperate with the first locking hook 1 to lock the door body and the cabinet accurately. Of course, the arrangement positions of the first latch hook 1, the key cylinder 3 and the driving member 4 are not limited to the above-mentioned positions, and those skilled in the art can flexibly adjust the arrangement positions of the first latch hook 1, the key cylinder 3 and the driving member 4 in practical applications, for example, the first latch hook 1 is arranged on a box body, the key cylinder 3 and the driving member 4 are arranged on a door body, and the arrangement positions of the first latch hook 1, the key cylinder 3 and the driving member 4 are adjusted in any way, so long as a user can perform a door closing operation with a small force when manually closing the door.

It should be noted that the situation that the door body is closed refers to the situation that a user manually pushes the door body to close the door, when clothes are placed or the door body is to be closed in other situations, the user manually pushes the door body to be close to the box, when the user pushes the first locking hook 1 to be inserted into the locking core 3, the door body and the box are primarily locked, and the driving member 4 drives the second locking hook 2 to be inserted into the locking core 3 and to be matched with the first locking hook 1 to accurately lock the door body and the box.

In a preferred embodiment, as shown in fig. 2, the key cylinder 3 includes a key cylinder body 31 and an elastic latch tongue 32, the key cylinder body 31 is disposed on the box, a lock hole 311 is disposed on the key cylinder body 31, and the elastic latch tongue 32 is disposed in the lock hole 311, by such arrangement, when the door body is closed, the first hook 1 is inserted into the key cylinder 3 under an external force that a user manually pushes the door body, and presses the elastic latch tongue 32 to deform the elastic latch tongue 32, and thus the first hook 1 is moved to a preliminary locking position (for example, a position below the elastic latch tongue 32 in fig. 2), after the first hook 1 is moved to the preliminary locking position, the pressing force between the first hook 1 and the elastic latch tongue 32 is removed, and the elastic latch tongue 32 recovers to deform to return the elastic latch tongue 32 to an initial position (i.e., a position before the elastic latch tongue 32 is not pressed), the first lock hook 1 is limited between the elastic bolt 32 and the bottom of the lock cylinder body 31 (i.e. below the paper surface in fig. 2), so that the first lock hook 1 is preliminarily locked in the lock cylinder body 31, and preliminary locking of the door body and the box body is realized (i.e. the door body is closed); after the door body and the box are tentatively locked, driving member 4 drives second latch hook 2 and inserts in lock core 3 and cooperate with first latch hook 1 and with first latch hook 1 accurate locking in lock core body 31, prevented that first latch hook 1 from extracting in lock core 3 under the effect of external force, prevented that the door body from being opened under the effect of external force, realized the accurate locking of the door body and box (being about to the door body lock), the user uses very little power just can realize closing the door operation, promote user's use and experience.

Preferably, as shown in fig. 2, the elastic bolt 32 includes an adjusting rod 321, a bolt 322, a blocking portion 323 and a spring 324, the lock cylinder body 31 is further provided with an installation hole 312 communicated with the lock hole 311, the adjusting rod 321 passes through the installation hole 312 and can move along the length direction of the installation hole 312, the bolt 322 is connected with a first end of the adjusting rod 321 and is located in the lock hole 311, the blocking portion 323 is connected with a second end of the adjusting rod 321 and is located outside the lock cylinder body 31, and the blocking portion 323 is used for preventing the elastic bolt 32 from sliding out of the installation hole 312; the spring 324 is sleeved on the adjusting rod 321, a first end of the spring 324 is connected with the locking tongue 322, and a second end of the spring 324 is connected with the inner wall of the mounting hole 312. Through the arrangement, when the door body is closed, the first lock hook 1 is inserted into the lock cylinder 3 and extrudes the lock tongue 322 under the action of external force of a user manually pushing the door body, so that the adjusting rod 321 drives the lock tongue 322 to move towards the outer side of the lock cylinder body 31 along the length direction of the mounting hole 312, and the spring 324 is extruded to deform the spring 324, so that the first lock hook 1 can continuously move towards the bottom of the lock cylinder body 31 until the first lock hook moves to a primary locking position; after the first latch hook 1 moves to the preliminary locking position, the extrusion acting force between the first latch hook 1 and the latch tongue 322 is eliminated, the spring 324 recovers deformation to enable the adjusting rod 321 to drive the latch tongue 322 to move towards the inner side of the lock cylinder body 31 along the length direction of the mounting hole 312 until the latch tongue 322 returns to the initial position, the first latch hook 1 is limited between the elastic latch tongue 32 and the bottom of the lock cylinder body 31, and therefore the door body and the box body are preliminarily locked. In addition, the blocking portion 323 can prevent the elastic latch 32 from slipping out of the installation hole 312 while the adjustment lever 321 drives the latch tongue 322 to move toward the inside of the key cylinder body 31 along the longitudinal direction of the installation hole 312.

Preferably, the diameter of the outlet of the mounting hole 312 on the outer wall of the lock cylinder body 31 is smaller than the outer diameter of the spring 324, and the second end of the spring 324 is connected with the inner wall of the outlet of the mounting hole 312 on the outer wall of the lock cylinder body 31.

Further, the number of the elastic bolts 32 is four, four elastic bolts 32 are arranged on two sides of the lock hole 311, when the first lock hook 1 is inserted into the lock cylinder 3, two sides of the first lock hook 1 are respectively extruded with the elastic bolts 32, so that the stress of the first lock hook 1 is balanced, after the first lock hook 1 is moved to the primary locking position, the four elastic bolts 32 all return to the initial position, and the first lock hook 1 can be better limited between the elastic bolts 32 and the bottom of the lock cylinder body 31 under the combined action of the four elastic bolts 32. Of course, the number of the elastic locking tongues 32 is not limited to the above listed number, and the skilled person may flexibly adjust and set the number of the elastic locking tongues 32, for example, two, three, five or any one.

Alternatively, the elastic bolt 32 includes a bolt 322 and a spring 324, the bolt 322 is connected to the inner wall of the lock hole 311 through the spring 324, so that when the door body is closed, the first lock hook 1 is inserted into the lock cylinder 3 under the action of an external force of a user manually pushing the door body and presses the bolt 322, and the spring 324 is pressed to deform the spring 324, so that the first lock hook 1 can continue to move to the bottom of the lock cylinder body 31 until the first lock hook moves to the preliminary lock position; after the first latch hook 1 moves to the preliminary locking position, the squeezing force between the first latch hook 1 and the latch tongue 322 is eliminated, and the spring 324 recovers the deformation to make the latch tongue 322 return to the initial position, so as to limit the first latch hook 1 between the elastic latch tongue 32 and the bottom of the latch core body 31, thereby preliminarily locking the door body and the cabinet. Although the spring 324 is illustrated as the elastic member in the embodiment, the spring 324 may be replaced by an elastic ball or an elastic block, and any elastic structure may be adopted as long as the elastic latch 32 can be deformed and restored to the initial position.

The structure of the elastic latch 32 is not limited to the above-mentioned structure, and the elastic latch 32 may be a spring 324, an elastic ball, or an elastic block, and any elastic structure may be adopted as long as the elastic latch 32 can be deformed and restored to the initial position.

Preferably, the blocking portion 323 may be a nut threadedly coupled to the second end of the adjusting lever 321 to facilitate the installation and removal of the resilient latch bolt 32. Of course, the blocking portion 323 may be connected to the second end of the adjustment lever 321 by means of engagement, fixing, or the like.

In a preferred embodiment, as shown in fig. 2, the first locking hook 1 includes a locking rod 11, a connecting rod 12 and a mounting seat 13, the locking rod 11 is connected to the mounting seat 13 through the connecting rod 12, and the mounting seat 13 is disposed on the door body, so that when the door body is closed, under the action of an external force that a user manually pushes the door body, the connecting rod 12 drives the locking rod 11 to be inserted into the locking hole 311, and presses the elastic latch 32 to deform the elastic latch 32, so that the locking rod 11 can continue to move towards the bottom of the lock cylinder body 31 until the locking rod moves to the primary locking position; after locking lever 11 moved to preliminary latched position, the extrusion effort between locking lever 11 and the lock tongue 322 is eliminated, spring 324 resumes deformation and makes adjusting pole 321 drive lock tongue 322 and move to the inboard of lock core body 31 along the length direction of mounting hole 312 until lock tongue 322 gets back to the initial position, with locking lever 11 restriction between the bottom of elastic bolt 32 and lock core body 31, thereby with locking lever 11 preliminary locking in lock core body 31, and consequently with the preliminary locking of the door body and box, make the door body closed, but still can be opened under the effect of external force, the operation of closing the door just can be realized to the very little power of user use, promote user experience.

Preferably, the locking holes 311 include a first locking hole through which the connecting rod 12 is inserted into the cylinder body 31 and a second locking hole provided at both ends of the first locking hole and communicating with the first locking hole; the lock bar 11 is inserted into the key cylinder body 31 through the second lock hole.

Preferably, the connecting rod 12 is provided with a connecting hole (not shown in the figure), the lock lever 11 passes through the connecting hole to be fixedly connected with the connecting rod 12, for example, fixedly connected by a slot key fit or an interference fit, a first sliding slot 111 slidably engaged with the second latch hook 2 is provided at a top portion of a first end of the lock lever 11 (i.e., above the paper surface in fig. 2), and a second sliding slot 112 slidably engaged with the second latch hook 2 is provided at a top portion of a second end of the lock lever 11 (i.e., above the paper surface in fig. 2). Through the arrangement, after the lock rod 11 moves to the primary locking position, the driving member 4 drives the second lock hook 2 to be inserted into the lock cylinder 3 and to be in sliding fit with the first sliding groove 111 and the second sliding groove 112, and in the process of sliding fit, the second lock hook 2 presses the lock rod 11, so that the lock rod 11 moves to the accurate locking position under the action of the acting force exerted by the second lock hook 2, and the door body and the box body are accurately locked. Of course, the sliding groove may be only disposed at the first end of the lock rod 11, or the sliding groove may be only disposed at the second end of the lock rod 11, or other sliding structures such as a sliding rail and a sliding block may be disposed at the first end of the lock rod 11 and/or the second end of the lock rod 11 to be slidably engaged with the second locking hook 2.

Alternatively, two sides of the connecting rod 12 are respectively provided with one locking rod 11, each locking rod 11 is provided with a sliding groove, so that after the locking rod 11 moves to the primary locking position, the driving member 4 drives the second locking hook 2 to be inserted into the lock cylinder 3 and to be in sliding fit with the sliding groove, and in the process of sliding fit, the second locking hook 2 extrudes the locking rod 11, so that the locking rod 11 moves to the accurate locking position under the action of the acting force applied by the second locking hook 2, and the door body and the box body are accurately locked.

Preferably, the key cylinder 3 further comprises a first detection member 33 disposed in the lock hole 311, and the first detection member 33 is used for detecting whether the first lock hook 1 preliminarily locks the door body and the cabinet. The position of the first detecting member 33 can be arbitrarily set by those skilled in the art according to actual needs, for example, the first detecting member 33 is disposed at any position in the lock hole 311 below the elastic bolt 32, and further, the first detecting member 33 is disposed in the lock hole 311 at the bottom of the lock hole 311, so that the first locking hook 1 can lock the door and the box to the maximum extent.

Further, the first detecting member 33 is a first limit switch, and when the connecting rod 12 presses the first limit switch in the process that the connecting rod 12 drives the lock rod 11 to be inserted into the lock hole 311, it indicates that the lock rod 11 has moved to the preliminary lock position, and the door body and the cabinet body have been preliminarily locked. Of course, the first detecting member 33 may also be an infrared sensor, a radio frequency sensor, etc. so as to detect whether the first lock hook 1 locks the door body and the cabinet preliminarily. It should be noted that the method for detecting whether the first latch hook 1 primarily locks the door and the box should not limit the present invention.

Further, the first detection member 33 is fixed in the lock hole 311, preventing the first detection member 33 from falling out of the lock hole 311.

In a preferred embodiment, as shown in fig. 2, the second locking hook 2 comprises a first locking arm 21, a second locking arm 22 and a connecting arm 23, a first end of the first locking arm 21 is connected with a first end of the second locking arm 22 through the connecting arm 23, the connecting arm 23 is connected with an output end of the driving member 4, by such an arrangement that after the locking lever 11 is moved to the preliminary locking position, the driving member 4 drives the first locking arm 21 and the second locking arm 22 to be inserted into the locking holes 311 respectively through the connecting arm 23, and the first locking arm 21 is in sliding fit with the first sliding groove 111, and the second locking arm 22 is in sliding fit with the second sliding groove 112, during the sliding fit, the first locking arm 21 and the second locking arm 22 press the locking lever 11, so that the locking lever 11 is moved to the precise locking position under the action of the first locking arm 21 and the second locking arm 22, and thus the locking lever 11 is precisely locked in the lock cylinder body 31, therefore, the door body and the box body are accurately locked, and the door body cannot be opened under the action of external force. Of course, the engagement manner of the first lock arm 21 and the second lock arm 22 with the lock lever 11 is not limited to the above-mentioned loose engagement, but may be an insertion engagement, a snap engagement, or only a limit engagement, and whatever engagement manner is adopted, as long as the lock lever can be accurately locked in the lock cylinder body.

Preferably, one side (i.e., the right side of the paper in fig. 2) of the key cylinder body 31 is provided with two first insertion holes 313 communicated with the locking holes 311, the other side (i.e., the left side of the paper in fig. 2) of the key cylinder body 31 is provided with two second insertion holes 314 communicated with the locking holes 311, the second ends of the first and second locking arms 21 and 22 are respectively inserted into the locking holes 311 through the corresponding first insertion holes 313, the second end of the first locking arm 21 slides through the first sliding slot 111 and is inserted into the corresponding second insertion hole 314, and the second end of the second locking arm 22 slides through the second sliding slot 112 and is inserted into the corresponding second insertion hole 314, thereby precisely locking the locking lever 11 in the key cylinder body 31. It will be appreciated by those skilled in the art that the door body and the cabinet can be locked precisely as long as the first locking arm 21 is slidably engaged with the first sliding groove 111, the second locking arm 22 is slidably engaged with the second sliding groove 112, and the locking force is applied to the locking lever 11.

Of course, the number of the first insertion holes 313 and the second insertion holes 314 is not limited to two, and may be one first insertion hole 313 or one second insertion hole 314, so that the second end of the first locking arm 21 and the second end of the second locking arm 22 can be inserted into the locking hole 311 through the same first insertion hole 313, or the second end of the first locking arm 21 and the second end of the second locking arm 22 can be inserted into the same second insertion hole 314.

Further, the bottom surface of the first lock arm 21 is arranged obliquely so that the thickness of the first lock arm 21 gradually increases from the second end of the first lock arm 21 to the middle portion of the first lock arm 21; the bottom of the first slide groove 111 is disposed obliquely such that the depth of the first slide groove 111 gradually increases from a first end (an end near the first insertion hole 313) of the first slide groove 111 to a second end (an end near the second insertion hole 314) of the first slide groove 111. Through the arrangement, when the second end of the first locking arm 21 is initially inserted into the first end of the first sliding groove 111, a certain fault tolerance range is formed between the first locking arm 21 and the first sliding groove 111, so that the first locking arm 21 and the first sliding groove 111 can be aligned conveniently, and accurate butt joint is realized.

Similarly, the bottom surface of second lock arm 22 is obliquely arranged such that the thickness of second lock arm 22 gradually increases from the second end of second lock arm 22 to the middle portion of second lock arm 22; the bottom of the second chute 112 is obliquely disposed such that the depth of the second chute 112 gradually increases from a first end (an end near the first insertion hole 313) of the second chute 112 to an end near the second insertion hole 314 of the second end of the second chute 112.

Further, the axial direction of the first insertion hole 313 coincides with the axial direction of the second insertion hole 314, and the axial direction of the first insertion hole 313 is perpendicular to the axial direction of the locking hole 311.

Further, the axial direction of the mounting hole 312 coincides with the axial direction of the first insertion hole 313, and the axial direction of the mounting hole 312 is perpendicular to the axial direction of the locking hole 311.

Preferably, the key cylinder 3 further comprises a second detecting member 34 disposed inside the key cylinder body 31, and the second detecting member 34 is used for detecting whether the second latch hook 2 accurately locks the door body and the cabinet. The position of the second detecting member 34 can be arbitrarily set by those skilled in the art according to actual needs, for example, the second detecting member 34 is disposed in the locking hole 311, or disposed in the first insertion hole 313, or disposed in the second insertion hole 314. Further, the second detecting member 34 is disposed in the second insertion hole 314 and located at a side of the second insertion hole 314 close to the outer side wall of the key cylinder body, so that the second latch hook 2 can maximally lock the door body and the box body.

Further, the second detecting member 34 is a second limit switch, and when the first locking arm 21 and the second locking arm 22 are respectively pressed to the second limit switches corresponding to the first locking arm 21 and the second locking arm 22 during the process that the first locking arm 21 and the second locking arm 22 are inserted into the second insertion holes 314 corresponding to the first locking arm and the second locking arm, it is indicated that the first locking arm 21 and the second locking arm 22 have moved the locking lever 11 to the precise locking position, and the door body and the cabinet have been precisely locked. Of course, the second detecting member 34 may also be an infrared sensor, a radio frequency sensor, etc. in order to detect whether the second locking hook 2 locks the door body and the cabinet accurately. It should be noted that the method for detecting whether the second latch hook 2 primarily locks the door and the box should not limit the present invention. Of course, it will be understood by those skilled in the art that the second limit switch may be disposed in only one second insertion hole 314, and that the first locking arm 21 and the second locking arm 22 can be pressed against the second limit switch to indicate that the first locking arm 21 and the second locking arm 22 have moved the locking lever 11 to the precise locking position to precisely lock the door and the cabinet.

Further, the second sensing member 34 is fixed in the second insertion hole 314, preventing the second sensing member 34 from falling out of the second insertion hole 314.

In the above structure, the driving member 4 may be a solenoid, or a driving motor, or a motor, and the adjustment and modification of the specific structure of the driving member 4 do not limit the present invention, and should be limited within the protection scope of the present invention.

In addition, the invention also provides a drum washing machine which comprises the door lock assembly, so that when a user manually closes the door, the door lock assembly can lock the door body and the box body without rotating the handle of the door lock assembly with great force, the user can close the door with little force, and the use experience of the user is improved.

In the door closing process, under the action of an external force of a user manually pushing the door body, the connecting rod 12 of the first locking hook 1 can drive the locking rod 11 to be inserted into the locking hole 311 and extrude the locking tongue 322, so that the adjusting rod 321 drives the locking tongue 322 to move towards the outer side of the lock cylinder body 31 along the length direction of the mounting hole 312, and the spring 324 is extruded to deform the spring 324, so that the locking rod 11 can continuously move towards the bottom of the lock cylinder body 31 until the first limit switch is extruded, which indicates that the locking rod 11 has moved to the primary locking position; after the lock rod 11 moves to the initial locking position, the extrusion acting force between the lock rod 11 and the lock tongue 322 is eliminated, and the spring 324 recovers deformation to enable the adjusting rod 321 to drive the lock tongue 322 to move towards the inner side of the lock cylinder body 31 along the length direction of the mounting hole 312 until the lock tongue 322 returns to the initial position, so that the lock rod 11 is limited between the elastic lock tongue 32 and the bottom of the lock cylinder body 31, and the door body and the box body are initially locked. After the lock lever 11 is moved to the preliminary locking position, the driving member 4 drives the second ends of the first and second lock arms 21 and 22 to be inserted into the lock holes 311 through the first insertion holes 313 corresponding thereto, respectively, via the connecting arms 23, and the second end of the first locking arm 21 slides through the first sliding slot 111 and is inserted into the corresponding second insertion hole 314 until the second limit switch is pressed, the second end of the second locking arm 22 slides through the second sliding slot 112 and is inserted into the corresponding second insertion hole 314 until the second limit switch is pressed, during the sliding fit, the first locking arm 21 and the second locking arm 22 press against the locking lever 11, so that the locking lever 11 continues to move down to a precise locking position under the action of the first locking arm 21 and the second locking arm 22, therefore, the door body and the box body are accurately locked, the user can realize the door closing operation by using very small force, and the user use experience is improved.

In the door opening process, when the operation of the washing program is finished or suspended, the controller of the drum washing machine sends a driving instruction to the driving member 4, the driving member 4 drives the lock cylinder bodies 31 of the first locking arm 21 and the second locking arm 22 to be pulled out through the connecting arm 23, the squeezing acting force between the first locking arm 21 and the locking rod 11 and between the second locking arm 22 and the locking rod 11 is eliminated, and the locking rod 11 returns to a primary locking position (namely, the door body is unlocked); after the lock rod 11 returns to the initial locking position, under the action of an external force of manually pulling the door body by a user, the connecting rod 12 of the first lock hook 1 can drive the lock rod 11 to extrude the lock tongue 322, so that the adjusting rod 321 drives the lock tongue 322 to move towards the outer side of the lock cylinder body 31 along the length direction of the mounting hole 312, and the spring 324 is extruded to deform the spring 324, so that the lock rod 11 can move above the lock tongue 322; after locking lever 11 removed the top to lock tongue 322, the extrusion effort between locking lever 11 and the lock tongue 322 was eliminated, spring 324 resumes deformation and makes adjusting pole 321 drive lock tongue 322 along the length direction of mounting hole 312 to the inboard removal of lock core body 31 until lock tongue 322 gets back to initial position to open the door body, the user uses very little power just can realize opening the door operation, promotes user's use and experiences.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims (10)

1. A door lock assembly for a clothes treatment device, the clothes treatment device comprises a door body and a box body, and the door lock assembly is characterized by comprising a first lock hook, a second lock hook, a lock cylinder and a driving member, wherein the first lock hook is arranged on the door body or the box body, the lock cylinder and the driving member are arranged on the box body or the door body, and the driving member is connected with the second lock hook;

when the door body is closed, the first lock hook is inserted into the lock core and thus the door body and the refrigerator body are preliminarily locked;

after the door body and the box body are locked initially, the driving member drives the second lock hook to be inserted into the lock core and matched with the first lock hook so as to lock the door body and the box body accurately.

2. The door lock assembly according to claim 1, wherein the lock cylinder comprises a lock cylinder body and an elastic bolt, the lock cylinder body is arranged on the box body, a lock hole is formed in the lock cylinder body, and the elastic bolt is arranged in the lock hole;

when the door body is closed, the first lock hook is inserted into the lock hole and is preliminarily locked in the lock cylinder body by the elastic bolt, and therefore, the door body and the box body are preliminarily locked;

after the door body and the box body are locked preliminarily, the driving member drives the second lock hook to be inserted into the lock hole and accurately locks the first lock hook in the lock cylinder body, and therefore the door body and the box body are accurately locked.

3. The door lock assembly according to claim 2, wherein the elastic locking tongue comprises an adjusting rod, a locking tongue, a blocking part and a spring, the lock cylinder body is further provided with an installation hole communicated with the lock hole, the adjusting rod penetrates through the installation hole and can move along the length direction of the installation hole, the locking tongue is connected with a first end of the adjusting rod and is located in the lock hole, the blocking part is connected with a second end of the adjusting rod and is located on the outer side of the lock cylinder body, and the blocking part is used for preventing the elastic locking tongue from slipping out of the installation hole;

the spring is sleeved on the adjusting rod, the first end of the spring is connected with the lock tongue, and the second end of the spring is connected with the inner wall of the mounting hole.

4. The door lock assembly according to claim 2, wherein the key cylinder further comprises a first detection member disposed in the key hole, and the first detection member is configured to detect whether the first hook preliminarily locks the door body and the cabinet.

5. The door lock assembly according to claim 2, wherein the key cylinder further comprises a second detecting member provided in the key cylinder body, the second detecting member being configured to detect whether the second latch hook accurately locks the door body and the cabinet.

6. The door lock assembly according to any one of claims 2 to 5, wherein the first lock hook comprises a lock rod, a connecting rod and a mounting seat, the lock rod is connected with the mounting seat through the connecting rod, and the mounting seat is arranged on the door body;

when the door body is closed, the connecting rod drives the lock rod to be inserted into the lock hole and matched with the elastic lock tongue, so that the lock rod is preliminarily locked in the lock cylinder body by the elastic lock tongue.

7. The door lock assembly of claim 6, wherein said second latch hook includes a first latch arm, a second latch arm, and a connecting arm, a first end of said first latch arm being coupled to a first end of said second latch arm via said connecting arm, said connecting arm being coupled to an output end of said actuating member;

when the locking rod moves to behind the preliminary locking position, the drive component passes through the linking arm drive first locking arm with the second locking arm inserts respectively just in the lockhole first locking arm with the second locking arm respectively with the locking rod cooperatees, makes the locking rod quilt the accurate locking of second locking hook is in this is internal to the lock core.

8. The door lock assembly of claim 7, wherein the top of the locking bar is provided with a first runner in sliding engagement with the first locking arm and a second runner in sliding engagement with the second locking arm;

a first jack communicated with the lock hole is arranged on one side of the lock cylinder body, and a second jack communicated with the lock hole is arranged on the other side of the lock cylinder body;

when the locking lever removes to after the preliminary locking position, the drive component passes through the linking arm drive the second end of first locking arm with the second end of second locking arm passes through respectively first jack is inserted in the jack, just the second end of first locking arm with the second end of second locking arm slides respectively first spout with the second spout is inserted in the second jack, and consequently will locking lever accurate locking is in this is internal to the lock core.

9. The door lock assembly of claim 8, wherein a bottom surface of said first locking arm is angled such that a thickness of said first locking arm increases from a second end of said first locking arm to a middle portion of said first locking arm; and/or

The bottom surface of the second locking arm is obliquely arranged, so that the thickness of the second locking arm is gradually increased from the second end of the second locking arm to the middle part of the second locking arm.

10. A laundry treating apparatus, characterized in that the laundry treating apparatus comprises the door lock assembly of any one of claims 1 to 9.

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