CN113914074A

CN113914074A - Sliding block type door lock and washing machine with same

Info

Publication number: CN113914074A
Application number: CN202111370478.XA
Authority: CN
Inventors: 王立孟
Original assignee: Wenzhou Tianjian Electric Co ltd
Current assignee: Wenzhou Tianjian Electric Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-01-11
Anticipated expiration: 2041-11-18
Also published as: CN113914074B

Abstract

The invention provides a sliding block type door lock and a washing machine with the same, belonging to the technical field of door locks, wherein the sliding block type door lock comprises: the sliding block is provided with a blocking state which abuts against the cam at a locking position after sliding towards a direction close to the cam, and also has a blocking releasing state which releases the blocking of the cam after sliding towards a direction far away from the cam; the lock catch is rotationally connected in the shell, and after the sliding block slides towards the direction close to the cam, the hook end of the lock catch is hung on the limiting structure of the sliding block; according to the sliding block type door lock, the cam is blocked by the sliding block, the limiting structure matched with the lock catch is arranged on the sliding block, and the sliding block moves in a sliding mode, so that the limiting structure can be formed on the plane of the sliding block when being arranged, the limiting structure is convenient to arrange, the structure of the cam is simplified, and the cam is convenient to manufacture and assemble all parts in the door lock.

Description

Sliding block type door lock and washing machine with same

Technical Field

The invention relates to the technical field of door locks, in particular to a sliding block type door lock and a washing machine with the same.

Background

An automatic door lock is a door lock which can be controlled by a solenoid coil to automatically unhook a door hook to unlock a door hook, and is generally used for a door of a full-automatic washing machine.

In the prior art, the automatic door lock generally adopts a cam to lock a door hook. The cam is provided with a limiting structure which is used for being matched with the lock catch and controlling the lock catch through an electromagnetic mechanism. When the door hook needs to be unlocked, the electromagnetic mechanism controls the lock catch to unlock the cam, so that the cam can be overturned under the action of the elastic piece to unlock the door hook.

However, set up limit structure on the cam, need be with limit structure shaping on the arcwall face of cam, when limit structure and hasp cooperation, limit structure rotated along with the cam, and this structure that leads to the cam is comparatively complicated, brings inconvenience for production and assembly.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defect that the cam structure in the door lock in the prior art is complex, so that the invention provides the slider type door lock and the washing machine with the same.

In order to solve the above technical problems, the present invention provides a slider type door lock, comprising:

a cam rotatably provided in the housing, the cam having a lock position for hooking the door hook and an unlock position for releasing the hooking of the door hook;

a slider slidably provided in the housing, the slider having a locked state in which the slider slides in a direction approaching the cam and then abuts the cam at the lock position, and a released state in which the slider slides in a direction away from the cam and then releases the cam from being locked;

the first elastic piece is connected with the sliding block and has elastic force for driving the sliding block to slide towards the direction close to the cam;

the lock catch is rotationally connected in the shell and is provided with a hook end matched with the sliding block, and the sliding block is provided with a limiting structure matched with the hook end; after the sliding block slides towards the direction close to the cam, the hooking end of the lock catch is hung on the limiting structure of the sliding block, so that the sliding block blocks the cam;

the second elastic piece is connected with the lock catch and has elastic force for driving the lock catch to rotate towards the direction in which the sliding block is hooked.

Optionally, the limiting structure on the slider includes:

the first inclined surface is used for guiding the lock catch to enable the lock catch to overcome the elastic force of the second elastic piece and rotate towards the direction far away from the direction for hooking the sliding block;

the first locking surface is positioned at the tail end of the first inclined surface and used for hooking the hooking end of the lock catch;

the first limiting surface is positioned on one side of the first locking surface and used for preventing the lock catch from being separated from the hook of the first locking surface;

the second inclined surface is arranged on one side of the first limiting surface and used for guiding the lock catch to be separated from the limiting structure.

Optionally, the limiting structure further includes: the first locking surface, the first limiting surface and the second inclined surface are arranged on the second inclined surface;

the first sliding surface is connected with a third inclined surface extending towards the second sliding surface, and the third inclined surface is used for guiding the lock catch to be hooked on the first locking surface after rising from the first sliding surface to the second sliding surface.

Optionally, an electrical box is further arranged in the housing, an electromagnetic mechanism is arranged in the electrical box, a locking block extending outwards is further arranged on the electrical box, and the locking block is connected with the electromagnetic mechanism and driven by the electromagnetic mechanism to extend out of or retract into the electrical box;

the locking block extends out of the electric appliance box and then blocks the tail part of the sliding block, and the locking block is used for keeping the blocking state of the sliding block to the cam.

Optionally, the bottom surface of the cam has a ramp for mating with the slider.

Optionally, an upper surface of the end of the slider facing the cam is of a stepped configuration.

Optionally, the housing has a slot for rotatably connecting the latch, and the latch has a post for inserting into the slot.

Optionally, a third elastic member is connected to the cam, and the third elastic member has an elastic force that drives the cam to rotate toward the unlocking position.

Optionally, the third elastic member is a torsion spring.

The invention also provides a washing machine, which adopts the slide block type door lock in any scheme.

The technical scheme of the invention has the following advantages:

1. according to the slider type door lock provided by the invention, the cam is blocked by the slider, the limiting structure matched with the lock catch is arranged on the slider, and the slider moves in a sliding manner, so that the limiting structure can be formed on the plane of the slider when being arranged, the limiting structure is convenient to arrange, the structure of the cam is simplified, and the cam is convenient to manufacture and assemble all parts in the door lock.

2. According to the slider type door lock provided by the invention, the limiting structure arranged on the slider can enable the slider to be locked by the lock catch after sliding towards the direction close to the cam for the first time through the matching of the first inclined surface, the first locking surface, the first limiting surface and the second inclined surface, and then enable the lock catch to be separated from the lock of the slider after the slider slides towards the direction close to the cam again, so that the purposes that the door hook is locked after the door panel is pressed once and the door hook is unlocked after the door panel is pressed again are achieved.

3. The washing machine provided by the invention has the advantages of any one of the above advantages because the slide block type door lock is adopted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a perspective view of one embodiment of a slider door lock provided in an embodiment of the present invention.

Fig. 2 is a perspective view of the door hook after insertion into the door lock.

Fig. 3 is a schematic view of the installation of the latch in the housing.

Fig. 4 is a bottom perspective view of the interior of the door lock.

Description of reference numerals:

1. a cam; 2. a slider; 3. locking; 4. a hooking end; 5. a first slip plane; 6. a second slip plane; 7. a first inclined surface; 8. a first locking surface; 9. a first limiting surface; 10. a second inclined surface; 11. a third inclined surface; 12. a door hook; 13. an electrical box; 14. a locking block; 15. a stepped structure; 16. a bevel; 17. a housing; 18. inserting a column; 19. and (4) a slot.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The sliding block type door lock provided by the embodiment can be used for being installed on a door panel of a full-automatic washing machine so as to realize automatic door opening of the full-automatic washing machine.

As shown in fig. 1, a specific implementation of the slider type door lock provided for this embodiment includes: the door lock device comprises a cam 1, a slider 2 and a lock catch 3, wherein the cam 1 is rotatably arranged in a shell 17, the cam 1 has a locking position for hooking a door hook 12 as shown in fig. 2, and further has an unlocking position for releasing hooking of the door hook 12 as shown in fig. 1. The slider 2 is slidably provided in the housing 17, the slider 2 has a locked state in which the cam 1 is brought into contact with the lock position after sliding in a direction toward the cam 1 as shown in fig. 2, and the slider 2 also has a released state in which the cam 1 is released from the lock after sliding in a direction away from the cam 1 as shown in fig. 1. The hasp 3 rotates to be connected in casing 17, hasp 3 have with slider 2 complex hook end 4, have on the slider 2 with hook end 4 complex limit structure. When the slider 2 slides from the unblocking state shown in fig. 1 to the blocking state shown in fig. 2, the hooking end 4 of the shackle 3 hooks toward the limit structure of the slider 2, so that the slider 2 can be maintained in the blocking state, and the slider 2 blocks the cam 1, so that the cam 1 is maintained at the locking position.

As shown in fig. 2, in the slider type door lock provided in this embodiment, a third elastic member is connected to the cam 1, and the third elastic member may be a torsion spring, and the third elastic member has an elastic force that drives the cam 1 to rotate toward the unlocking position shown in fig. 1. That is, in the free state, the cam 1 is held in the unlock position as shown in fig. 1.

In addition, the slider type door lock provided in the present embodiment further includes: the first elastic member is connected to the slider 2, and may be a compression spring, and has an elastic force that drives the slider 2 to slide in a direction approaching the cam 1. That is, in the free state, the head of the slider 2 always abuts on the cam 1, but the cam 1 is not turned over by the abutment of the slider 2. When the door hook 12 is inserted into the cam 1, the slider 2 slides toward the cam 1 by the first elastic member.

In the slider formula lock that this embodiment provided, still have: the second elastic component, the second elastic component with hasp 3 is connected, the second elastic component can be the torsional spring, the second elastic component has the drive 3 orientations of hasp are right slider 2 carries out the direction of hook and carries out pivoted elastic force. When slider 2 orientation is close to when the direction of cam 1 slides, the hook end 4 of hasp 3 is in under the effect of second elastic component orientation the limit structure of slider 2 goes up to articulate, in order to right slider 2 locks, makes slider 2 is right cam 1 blocks.

The sliding block type door lock provided by the embodiment realizes the locking of the cam 1 to the door hook 12 through the blocking of the sliding block 2 to the cam 1. And set up on slider 2 and be used for with hasp 3 complex limit structure, because slider 2 is sliding movement, consequently can be with its shaping on the plane of slider 2 when setting up limit structure, the limit structure's of being convenient for setting up has simplified the structure of cam 1 simultaneously, the assembly of each part in the manufacturing of cam 1 and the lock of being convenient for.

As shown in fig. 1, in the slider type door lock provided in this embodiment, the limiting structure on the slider 2 includes: first inclined plane 7, first locking face 8, first spacing face 9 and second inclined plane 10, first inclined plane 7 be used for right hasp 3 guides, works as slider 2 orientation is close to when the direction of cam 1 slides, first inclined plane 7 can make hasp 3 overcome the elastic force orientation of second elastic component is kept away from right slider 2 carries out the direction of hook and rotates, promptly, makes the hook end 4 of hasp 3 slides towards the top as shown first inclined plane 7 of fig. 1.

As shown in fig. 1, the first locking surface 8 is located at the end of the first inclined surface 7 and is used for hooking the hooking end 4 of the lock catch 3. After the sliding block 2 slides towards the direction close to the cam 1 to form a blocking state for blocking the bottom of the cam 1 as shown in fig. 2, the hooking end 4 of the latch 3 slides to the end of the first inclined surface 7, and the hooking end 4 of the latch 3 rotates towards the lower part of the end of the first inclined surface 7 as shown in fig. 1 under the action of the second elastic piece, so that the hooking end 4 of the latch 3 is hooked on the first locking surface 8.

As shown in fig. 1, the first position-limiting surface 9 is located on one side of the first locking surface 8, and is used for blocking the latch 3 from being hooked by the first locking surface 8. When the hooking end 4 of the shackle 3 rotates downward from the end of the first inclined surface 7, the first position-limiting surface 9 is used to block and position the hooking end 4 of the shackle 3, so that the hooking end 4 of the shackle 3 is maintained at the position hooked with the first locking member as shown in fig. 2.

As shown in fig. 1, the second inclined surface 10 is disposed on one side of the first limiting surface 9 for guiding the latch 3 to disengage from the limiting structure. When the door hook 12 is pushed toward the cam 1 again as shown in fig. 2, the cam 1 continues to rotate some degrees in the counterclockwise direction, at this time, the slider 2 slides a distance toward the cam 1 again, so that the hooking end 4 of the striker 3 moves to the end of the first stopper surface 9 and rotates downward to the end of the second inclined surface 10 under the action of the second elastic member, and then when the door hook 12 is released, the cam 1 is reversed toward the unlocking position shown in fig. 1 under the action of the third elastic member, and the slider 2 slides toward the unblocking state away from the cam 1 as shown in fig. 1 because it is no longer hooked by the striker 3. At this time, the hooking end 4 of the locker 3 slides out of the stopper structure along the second inclined surface 10, thereby moving to the initial position as shown in fig. 1.

The slider formula lock that this embodiment provided, limit structure who sets up on slider 2 passes through first inclined plane 7, first locking face 8, the cooperation of first spacing face 9 and second inclined plane 10, can make slider 2 slide back locking by hasp 3 towards the direction that is close to cam 1 for the first time, then slider 2 makes hasp 3 break away from the locking to slider 2 after the direction that is close to cam 1 slides once more, in order to reach and press once door plant back door hook 12 and be locked, press once more door plant back door hook 12 and be the mesh of unblock.

As shown in fig. 1, in the slider type door lock provided in this embodiment, the limiting structure further includes: the first sliding surface 5 and the second sliding surface 6 protrude outwards from the first sliding surface 5, the first inclined surface 7 is connected to the first sliding surface 5, and the first locking surface 8, the first limiting surface 9 and the second inclined surface 10 are all arranged on the second inclined surface 10; the first sliding surface 5 is connected with a third inclined surface 11 extending towards the second sliding surface 6, and the third inclined surface 11 is used for guiding the lock catch 3 to be hooked on the first locking surface 8 after rising from the first sliding surface 5 to the second sliding surface 6. Through the difference in height of first glide plane 5 and second glide plane 6, realize when pushing away the door greatly for the first time, also can not make hasp 3 directly walk around the limit structure of slider 2, guarantee that hasp 3 can both successfully hook on limit structure at every turn. In addition, as an alternative embodiment, the height difference between the first sliding surface 5 and the second sliding surface 6 can be eliminated, and at this time, the third inclined surface 11 is not necessary, and at this time, although the problem that the lock catch 3 directly rotates out of the limit structure due to excessive force when the door is pushed for the first time cannot be overcome, the normal use of the door lock is not affected, and the problem can be avoided as far as possible by further adjusting the assembly relationship between the lock catch 3 and the slider 2.

As shown in fig. 3, in the sliding-block type door lock provided in this embodiment, the housing 17 has a slot 19 for rotatably connecting the latch 3, and the latch 3 has a post 18 for inserting into the slot 19. Through the cooperation of this slot 19 and inserted column 18, can satisfy hasp 3 when carrying out the pivoted on casing 17, can also allow hasp 3 to have certain volume of rocking, satisfy the slip needs of hook end 4 on hasp 3 on limit structure. In addition, the matching of the slot 19 and the inserting column 18 can improve the convenience of assembly to a certain extent.

As shown in fig. 4, in the slider type door lock provided in this embodiment, an electrical box 13 is further disposed in the housing 17, an electromagnetic mechanism is disposed in the electrical box 13, a locking block 14 extending outward is further disposed on the electrical box 13, and the locking block 14 is connected to the electromagnetic mechanism and is driven by the electromagnetic mechanism to extend or retract the electrical box 13. The locking block 14 extends out of the electrical box 13 and then blocks the tail part of the sliding block 2, so as to maintain the blocking state of the sliding block 2 to the cam 1.

As shown in fig. 1 and 4, the upper surface of the slider 2 facing one end of the cam 1 is a stepped structure 15. The bottom surface of the cam 1 has a bevel 16 for cooperation with the slider 2. By providing the inclined surface 16, the slider 2 can be kept in sliding contact with the cam 1 at any time without causing problems such as jamming. The stepped structure 15 provided on the upper surface of the slider 2 is provided to avoid interference between the slider 2 and the cam 1 when the slider 2 slides in a direction approaching the cam 1, thereby enabling the cam 1 to be turned over flexibly.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.

Claims

1. A slider-type door lock, comprising:

a cam (1) rotatably provided in a housing (17), the cam (1) having a lock position for hooking a door hook (12) and an unlock position for releasing the hooking of the door hook (12);

a slider (2) slidably disposed in the housing (17), the slider (2) having a locked state in which the cam (1) is brought into contact with the lock position after sliding in a direction toward the cam (1), and a released state in which the cam (1) is released from being locked after sliding in a direction away from the cam (1);

the first elastic piece is connected with the sliding block (2) and has elastic force for driving the sliding block (2) to slide towards the direction close to the cam (1);

the lock catch (3) is rotatably connected in the shell (17) and is provided with a hook end (4) matched with the sliding block (2), and the sliding block (2) is provided with a limiting structure matched with the hook end (4); after the sliding block (2) slides towards the direction close to the cam (1), the hooking end (4) of the lock catch (3) is hooked on the limiting structure of the sliding block (2) so that the sliding block (2) blocks the cam (1);

the second elastic piece, with hasp (3) are connected, the second elastic piece has the drive hasp (3) orientation is right slider (2) carry out the direction of hook and carry out pivoted elastic force.

2. Slider-type door lock according to claim 1, characterized in that the limit structure on the slider (2) comprises:

the first inclined surface (7) is used for guiding the lock catch (3) so that the lock catch (3) overcomes the elastic force of the second elastic piece and rotates towards the direction far away from the direction for hooking the sliding block (2);

the first locking surface (8) is positioned at the tail end of the first inclined surface (7) and used for forming a hook for the hook end (4) of the lock catch (3);

the first limiting surface (9) is positioned on one side of the first locking surface (8) and used for blocking the lock catch (3) from being separated from the hook of the first locking surface (8);

the second inclined surface (10) is arranged on one side of the first limiting surface (9) and used for guiding the lock catch (3) to be separated from the limiting structure.

3. The slider-type door lock of claim 2, wherein the limit structure further comprises: the sliding mechanism comprises a first sliding surface (5) and a second sliding surface (6) protruding outwards from the first sliding surface (5), a first inclined surface (7) is connected to the first sliding surface (5), and a first locking surface (8), a first limiting surface (9) and a second inclined surface (10) are arranged on the second inclined surface (10);

the first sliding surface (5) is connected with third inclined surfaces (16) (11) extending towards the second sliding surface (6), and the third inclined surfaces (11) are used for guiding the lock catch (3) to be hooked on the first locking surface (8) after rising from the first sliding surface (5) to the second sliding surface (6).

4. The slider type door lock according to any one of claims 1-3, characterized in that an electrical box (13) is further arranged in the housing (17), an electromagnetic mechanism is arranged in the electrical box (13), a locking block (14) extending outwards is further arranged on the electrical box (13), the locking block (14) is connected with the electromagnetic mechanism, and the electrical box (13) is extended or retracted under the driving of the electromagnetic mechanism;

the locking block (14) extends out of the electric appliance box (13) and then blocks the tail part of the sliding block (2) to keep the blocking state of the sliding block (2) to the cam (1).

5. Slider-type door lock according to any of claims 1-3, characterized in that the bottom surface of the cam (1) has a bevel (16) for cooperation with the slider (2).

6. Slider-type door lock according to any of claims 1-3, characterized in that the upper surface of the slider (2) facing the end of the cam (1) is of a stepped structure (15).

7. Slider-type door lock according to any of claims 1-3, characterized in that the housing (17) has a slot (19) for the rotational connection of the catch (3), and that the catch (3) has a post (18) for insertion into the slot (19).

8. Slider-type door lock according to any of claims 1-3, characterized in that a third elastic element is attached to the cam (1), which third elastic element has an elastic force that drives the cam (1) towards the unlocked position.

9. The slider-type door lock according to claim 8, wherein said third elastic member is a torsion spring.

10. A washing machine, characterized in that a slider door lock according to any of claims 1-9 is used.