CN219569834U

CN219569834U - Door lock assembly

Info

Publication number: CN219569834U
Application number: CN202321153090.9U
Authority: CN
Inventors: 朱健
Original assignee: Guangdong Fulong Electrical Appliances Co ltd
Current assignee: Guangdong Fulong Electrical Appliances Co ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-08-22
Anticipated expiration: 2033-05-12

Abstract

The utility model discloses a door lock assembly, which comprises a shell, a micro switch, two locking arms, a first elastic element and a lock tongue, wherein the first elastic element is arranged on the shell; the microswitch comprises a button; one end of each locking arm is hinged on the shell, the other ends of the two locking arms can be close to each other or far away from each other, and one locking arm is provided with a protruding part; the first elastic element can enable the other ends of the two locking arms to be close to each other; the lock tongue can push the other ends of the two lock arms to rotate outwards, so that the protruding part can press the button and deform the first elastic element. The two locking arms, the lock tongue, the first elastic element and the micro switch are adopted to realize whether the micro switch is triggered or not, so that the structure is less and simple, and the assembly is convenient.

Description

Door lock assembly

Technical Field

The utility model relates to the field of household appliances, in particular to a door lock assembly.

Background

In the prior art, water is sprayed onto tableware to clean the tableware after being heated at a high temperature, and a door lock mechanism is usually arranged between a door body and a main body of the dishwasher in the prior art for preventing the door body of the dishwasher from being accidentally opened in the process of cleaning the tableware.

For example, chinese patent document CN107440660a discloses a novel door lock assembly for a dishwasher, in which a left lock catch and a right lock catch are pushed away to both sides by downward force of a lock tongue and a connecting rod is pressed downward, so that the connecting rod touches a micro switch.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the present utility model proposes a door lock assembly.

A door lock assembly according to an embodiment of the first aspect of the present utility model includes a housing, a micro switch, two locking arms, a first elastic element, and a locking tongue; the microswitch comprises a button; one end of each locking arm is hinged to the shell, the other ends of the two locking arms can be close to each other or far away from each other, and one locking arm is provided with a protruding part; the first elastic element is connected with the locking arms, and the other ends of the two locking arms can be mutually close under elastic recovery; the lock tongue can push the other ends of the two lock arms to rotate outwards, so that the protruding part can press the button and deform the first elastic element.

The door lock assembly provided by the embodiment of the utility model has at least the following technical effects: the lock tongue pushes the two lock arms upwards, so that the protruding parts of the lock arms push down the button to realize that the lock tongue is inserted to trigger the micro switch, the lock tongue moves out of the two lock arms downwards, the first elastic element drives the two lock arms to be close to each other, the protruding parts are far away from the button, and the lock tongue is pulled out to not trigger the micro switch; the two locking arms, the lock tongue, the first elastic element and the micro switch are adopted to realize whether the micro switch is triggered or not, so that the structure is less and simple, and the assembly is convenient.

According to some embodiments of the utility model, the locking tongue is engaged with two of the locking arms when the locking tongue is inserted between the two locking arms.

According to some embodiments of the utility model, the left side and the right side of the lock tongue are both provided with concave positions, and the side of the lock arm corresponding to the concave positions is provided with a protruding piece which can stretch left and right.

According to some embodiments of the utility model, the locking arm further comprises a second elastic element, a mounting cavity is arranged in the locking arm, a through hole is arranged on one side, corresponding to the concave position, of the locking arm, the second elastic element is arranged in the mounting cavity, the protruding piece is arranged in the through hole, and the second elastic element is used for driving the protruding piece to extend out of the through hole.

According to some embodiments of the utility model, the second elastic element is a buckle, the buckle includes a first sheet body and a second sheet body, one end of the first sheet body is connected with one end of the second sheet body, an included angle is formed between the first sheet body and the second sheet body, and the protruding piece is disposed at the other end of the first sheet body or the other end of the second sheet body.

According to some embodiments of the utility model, the housing is provided with a connecting shaft, both of the locking arms being rotatably connected to the connecting shaft.

According to some embodiments of the utility model, the first elastic element is a spring.

According to some embodiments of the utility model, the locking arm comprises a first connecting part and a second connecting part, the first connecting part is connected with the bottom of the second connecting part, the second connecting part inclines towards the central axis direction of the lock tongue, the top of the second connecting part is hinged on the shell, and one side, far away from the central axis of the lock tongue, of the second connecting part is connected with the first elastic element.

According to some embodiments of the utility model, the housing is provided with a blocking block, which is arranged between two of the locking arms.

According to some embodiments of the utility model, a portion of the locking tab adjacent to the locking arm is tapered.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Additional aspects and advantages of the present utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic view of a door lock assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a portion of the door lock assembly with the locking bolt not inserted into the locking arm;

FIG. 3 is a schematic view of a portion of a door lock assembly with a locking bolt inserted into a locking arm;

FIG. 4 is a schematic view of the structure of the locking arm;

FIG. 5 is a schematic view of a structure in which the second elastic member is mounted with a projection;

FIG. 6 is a schematic view of the second resilient element and the projection mounted on the locking arm.

Reference numerals: the housing 100, the connection shaft 110, the blocking piece 120, the slot 130, the micro switch 200, the button 210, the locking arm 300, the protrusion 310, the protrusion 320, the mounting cavity 330, the through hole 340, the first connection portion 350, the second connection portion 360, the first elastic element 400, the latch 500, the recess 510, the second elastic element 600, the first sheet 610, and the second sheet 620.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions, such as directions of up, down, left, right, etc., are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

In the description of the present utility model, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1, a door lock assembly according to an embodiment of the present utility model includes a housing 100, a micro switch 200, two locking arms 300, a first elastic member 400, and a latch 500; as shown in fig. 2, the micro switch 200 includes a button 210; as shown in fig. 1, 2 and 3, one end of each locking arm 300 is hinged to the housing 100, and the other ends of the two locking arms 300 can be close to or far from each other, wherein one locking arm 300 has a protrusion 310; first elastic member 400 may bring the other ends of two locking arms 300 toward each other; the locking tongue 500 may push the other ends of the two locking arms 300 to rotate outward so that the protrusion 310 may press the button 210.

As shown in fig. 1, the housing 100 has a concave slot 130, the first elastic element 400, the micro switch 200, and two locking arms 300 are disposed in the slot 130, the button 210 of the micro switch 200 faces downward, and the two locking arms 300 are disposed below the micro switch 200.

As shown in fig. 1, the upper end of each locking arm 300 is hinged in the slot 130, and when the two locking arms 300 are rotated together inwards (the left locking arm 300 is rotated counterclockwise and the right locking arm 300 is rotated clockwise) as shown in fig. 2, the lower ends of the two locking arms 300 can be moved closer to each other, and when the two locking arms 300 are rotated together outwards (the left locking arm 300 is rotated clockwise and the right locking arm 300 is rotated counterclockwise) as shown in fig. 3, the lower ends of the two locking arms 300 can be moved away from each other.

As shown in fig. 2, the right locking arm 300 has a protrusion 310, the protrusion 310 is located below the button 210, and the protrusion 310 does not press the button 210 when the two locking arms 300 are rotated together inward, and the protrusion 310 presses the button 210 when the two locking arms 300 are rotated together outward, as shown in fig. 3.

As shown in fig. 2 and 3, when the locking bolt 500 works, the two locking arms 300 are pushed upwards, the left locking arm 300 rotates clockwise and the right locking arm 300 rotates anticlockwise, so that the protruding part 310 of the locking arm 300 presses down the button 210, the locking bolt 500 is inserted to trigger the micro switch 200, the locking bolt 500 moves downwards out of the two locking arms 300, the first elastic element 400 drives the two locking arms 300 to approach each other, the left locking arm 300 rotates anticlockwise and the right locking arm 300 rotates clockwise, the protruding part 310 is far away from the button 210, and the locking bolt 500 is pulled out to not trigger the micro switch 200; whether the micro switch 200 is triggered can be realized by only adopting the two locking arms 300, the lock tongue 500, the first elastic element 400 and the micro switch 200, when the micro switch 200 is installed, the micro switch 200 is placed in the slot 130, the two locking arms 300 are hinged in the slot 130, and the first elastic element 400 is installed in the slot 130, so that the structure is less and simple, and the assembly is convenient.

Specifically, the latch 500 is mounted on the door body, and the housing 100, the micro switch 200, the latch arm 300, and the first elastic member 400 are mounted in the dishwasher body; when the dish washer closes the door body, the lock tongue 500 is inserted into the two lock arms 300, and the protruding part 310 triggers the micro switch 200; when the dishwasher opens the door, the latch 500 is removed from the two latch arms 300, and the protrusion 310 does not trigger the micro switch 200.

In some embodiments of the present utility model, as shown in fig. 3, when the locking tongue 500 is inserted between two locking arms 300, the locking tongue 500 is engaged with the two locking arms 300. The latch 500 can be engaged with the latch arm 300 to prevent the dishwasher door from being accidentally opened during the washing of dishes when the door is closed.

In a further embodiment of the present utility model, as shown in fig. 2, both the left and right sides of the latch 500 are provided with a recess 510, and a side of the latch arm 300 corresponding to the recess 510 is provided with a protrusion 320 that can extend and retract left and right. As shown in fig. 2 and 3, when the lock tongue 500 is inserted, the protruding member 320 is first contracted at the left and right sides of the lock tongue 500, and then inserted into place, i.e. the concave position 510 corresponds to the position of the protruding member 320, the protruding member 320 protrudes into the concave position 510, and the lock tongue 500 is clamped with the two lock arms 300. The telescoping projection 320 mates with the recess 510 to facilitate removal of the locking bolt 500.

In a further embodiment of the present utility model, as shown in fig. 4, 5 and 6, the locking arm 300 further comprises a second elastic element 600, wherein the locking arm 300 is provided with a mounting cavity 330, a through hole 340 is formed on a side of the locking arm 300 corresponding to the recess 510, the second elastic element 600 is disposed in the mounting cavity 330, a protrusion 320 is disposed on the second elastic element 600, the protrusion 320 is disposed in the through hole 340, and the second elastic element 600 is used for driving the protrusion 320 to protrude from the through hole 340. When the latch 500 is retracted, the protrusion 320 is pushed down, the protrusion 320 is retracted into the mounting cavity 330, and when the protrusion is extended, the second elastic member 600 drives the protrusion 320 to extend.

In a further embodiment of the present utility model, as shown in fig. 5 and 6, the second elastic element 600 is a snap fastener, and the snap fastener includes a first sheet body 610 and a second sheet body 620, one end of the first sheet body 610 is connected to one end of the second sheet body 620, an included angle is formed between the first sheet body 610 and the second sheet body 620, and the protrusion 320 is disposed at the other end of the first sheet body 610 or the other end of the second sheet body 620. The spring buckle is adopted, the structure is simple and the lock is conveniently arranged in the lock arm 300, so that the door lock assembly is simple in structure and small in size.

For example, the first plate 610 is fixed to the inner wall of the mounting cavity 330, the second plate 620 can be pressed down by the latch 500 through the protrusion 320, and when the position of the protrusion 320 corresponds to the position of the recess 510, the second plate 620 drives the protrusion 320 to extend.

In some embodiments of the present utility model, as shown in fig. 1, a connection shaft 110 is provided to a housing 100, and both locking arms 300 are rotatably connected to the connection shaft 110, that is, the two locking arms 300 share a common rotation point, so that the door lock assembly is small in size.

In some embodiments of the present utility model, as shown in fig. 1, the first elastic element 400 is a spring, and a spring is disposed between the locking arm 300 and a side wall of the slot 130.

In a further embodiment of the present utility model, as shown in fig. 3, the locking arm 300 includes a first connecting portion 350 and a second connecting portion 360, the first connecting portion 350 is connected to the bottom of the second connecting portion 360, the second connecting portion 360 is inclined toward the central axis of the locking bolt 500, the top of the second connecting portion 360 is hinged to the housing 100, and a side of the second connecting portion 360 away from the central axis of the locking bolt 500 is connected with the first elastic element 400.

The second connection part 360 of the left Fang Suobei is inclined to the direction of the right locking arm 300, and the second connection part 360 of the right locking arm 300 is inclined to the direction of the left locking arm 300; the two springs are respectively arranged on the left side of the left second connecting part 360 and the right side of the right second connecting part 360, and are matched with the bending of the second connecting part 360 to better drive the lower ends of the two locking arms 300 to be close to each other, so that locking of the lock tongue 500 is ensured.

In a further embodiment of the present utility model, as shown in fig. 1, the housing 100 is provided with a blocking piece 120, and the blocking piece 120 is provided between two lock arms 300 to prevent the lower ends of the two lock arms 300 from colliding with each other.

In some embodiments of the present utility model, as shown in FIG. 2, a portion of latch 500 adjacent to latch arm 300 is tapered to facilitate pushing apart of the two latch arms 300.

In the description of the present specification, reference to the term "some embodiments" or "what may be considered to be" etc. means that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A door lock assembly, comprising:

a housing;

a microswitch comprising a button;

two locking arms, one end of each locking arm is hinged on the shell, the other ends of the two locking arms can be close to or far away from each other, and one locking arm is provided with a protruding part;

the first elastic element is connected with the locking arms and can enable the other ends of the two locking arms to be close to each other under elastic recovery;

the lock tongue can push the other ends of the two lock arms to rotate outwards, so that the protruding part can press the button and deform the first elastic element.

2. The door lock assembly according to claim 1, wherein: when the lock tongue is inserted between the two lock arms, the lock tongue is clamped with the two lock arms.

3. The door lock assembly according to claim 2, wherein: the left side and the right side of the lock tongue are both provided with concave positions, and one side of the lock arm corresponding to the concave positions is provided with a protruding piece which can stretch left and right.

4. A door lock assembly according to claim 3, wherein: the novel elastic device comprises a lock arm, and is characterized by further comprising a second elastic element, wherein an installation cavity is arranged in the lock arm, a through hole is formed in one side, corresponding to the concave position, of the lock arm, the second elastic element is arranged in the installation cavity, the second elastic element is provided with a protruding piece, the protruding piece is arranged in the through hole, and the second elastic element is used for driving the protruding piece to extend out of the through hole.

5. The door lock assembly according to claim 4, wherein: the second elastic element is a spring buckle, the spring buckle comprises a first sheet body and a second sheet body, one end of the first sheet body is connected with one end of the second sheet body, an included angle is formed between the first sheet body and the second sheet body, and the protruding piece is arranged at the other end of the first sheet body or the other end of the second sheet body.

6. The door lock assembly according to claim 1, wherein: the shell is provided with a connecting shaft, and the two locking arms are both rotationally connected with the connecting shaft.

7. The door lock assembly according to claim 1, wherein: the first elastic element is a spring.

8. The door lock assembly according to claim 7, wherein: the lock arm comprises a first connecting portion and a second connecting portion, the first connecting portion is connected with the bottom of the second connecting portion, the second connecting portion inclines towards the direction of the central axis of the lock tongue, the top of the second connecting portion is hinged to the shell, and one side, away from the central axis of the lock tongue, of the second connecting portion is connected with the first elastic element.

9. The door lock assembly according to claim 1 or 8, wherein: the casing is equipped with the blocking piece, the blocking piece is located two between the locking arm.

10. The door lock assembly according to claim 1, wherein: the part of the lock tongue, which is close to the lock arm, is tapered.