CN219569833U - Door lock structure - Google Patents

Abstract

The utility model discloses a door lock structure, which comprises a lock catch structure, a lock tongue, a micro switch and a trigger structure, wherein the lock tongue is arranged on the lock tongue; the lock catch structure is used for locking or releasing the lock tongue; the trigger structure comprises a trigger component and a first spring, wherein the trigger component is used for triggering the micro switch, and the first spring can drive the trigger component to restore to the original position under the action of elastic restoration. The utility model can lock the lock tongue through the lock catch structure, so that the machine door is fixed, the machine door is prevented from being opened by mistake, the locking can be matched with the trigger structure, and when a user opens and closes the machine door, the opening and closing of electronic elements in the dish washing machine can be controlled.

Description

Door lock structure

Technical Field

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

Background

In order to ensure tightness and use safety of the dish washer during washing, the dish washer is generally provided with a door lock assembly on a machine door for locking the machine door, and the existing door lock assembly can only lock the machine door and has a single function.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a door lock structure with a simple structure.

According to the first aspect of the utility model, the door lock structure comprises a lock catch structure, a lock tongue, a micro switch and a triggering structure; the lock catch structure is used for locking or releasing the lock tongue; the trigger structure comprises a trigger component and a first spring, wherein the trigger component is used for triggering the micro switch, and the first spring can drive the trigger component to restore to the original position under the action of elastic restoration; when the lock catch structure locks the lock tongue, the lock tongue enables the trigger member to trigger the micro switch and enables the first spring to deform; when the lock catch structure releases the lock catch, the lock catch releases the trigger member, and the first spring elastically restores to enable the trigger member to restore to the original position, so that the trigger member does not trigger the micro switch.

The door lock structure provided by the embodiment of the utility model has at least the following technical effects: when the door is closed, the lock tongue is inserted into the lock catch structure, the lock catch structure locks the lock tongue, the lock tongue enables the trigger member to trigger the micro switch, and the micro switch enables electronic elements in the dish washer to work; when the machine door is opened, the lock tongue moves out of the lock catch structure, the first spring enables the trigger member not to trigger the micro switch, and the micro switch enables electronic elements in the dish washer to be inactive; the door lock structure can lock the lock tongue through the lock catch structure, so that the machine door is fixed, the machine door is prevented from being opened by mistake, the locking can be matched with the triggering structure, and when a user opens and closes the machine door, the opening and closing of electronic elements in the dish washing machine can be controlled.

According to some embodiments of the utility model, the trigger member includes a moving rod and a rotating arm, the moving rod is installed below the lock tongue in a vertically movable manner, and one end of the rotating arm is abutted with the bottom of the moving rod.

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

According to some embodiments of the utility model, the locking structure comprises a first locking arm and a second locking arm which can be opened and closed, the locking structure further comprises a moving block which can move up and down, and a second spring is arranged at the bottom of the moving block;

the top parts of the first locking arm and the second locking arm are far away from each other, so that the moving block can move downwards;

when the second spring is elastically restored, the moving block enables the tops of the first locking arm and the second locking arm to be close to each other.

According to some embodiments of the present utility model, the moving block is located below the first locking arm and the second locking arm, and two grooves distributed in a mirror image manner in the left-right direction are formed at the top of the moving block; the bottom of first lock arm with left side recess sliding fit, the bottom of second lock arm with right side recess sliding fit, first lock arm with when the second lock arm is jointly to the outside direction of hasp structure rotates, first lock arm with the second lock arm can drive the movable block moves down.

According to some embodiments of the utility model, the groove comprises a downward concave arc section, a height value of one end of the arc section, which is close to the middle part of the moving block, and a horizontal plane is larger than a height value of one end of the arc section, which is far away from the middle part of the moving block, and the arc section is connected to one end of the arc section, which is far away from the middle part of the moving block.

According to some embodiments of the utility model, the shape of the bottom of the first locking arm and the shape of the bottom of the second locking arm match the shape of the groove.

According to some embodiments of the utility model, the locking bolt is diamond-shaped.

According to some embodiments of the utility model, the lock tongue comprises a first connecting portion and a second connecting portion, wherein the bottom of the first connecting portion is fixedly connected with the top of the second connecting portion, the first connecting portion is diamond-shaped, and the second connecting portion is rod-shaped.

According to some embodiments of the utility model, a portion of the top of the first locking arm is bent in the direction of the locking tongue and a portion of the top of the second locking arm is bent in the direction of the locking tongue.

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 latch not inserted into a first latch arm and a second latch arm;

FIG. 2 is a schematic view of a portion of a locking bolt inserted into a first locking arm and a second locking arm;

FIG. 3 is a schematic view of the latch fully inserted into the first and second latch arms;

fig. 4 is a schematic view of a structure in which the slider is placed on the housing.

Reference numerals: the locking structure 100, the first locking arm 110, the second locking arm 120, the locking tongue 200, the first connecting portion 210, the second connecting portion 220, the moving block 300, the groove 310, the arc segment 311, the arc segment 312, the slider 320, the second spring 400, the micro-switch 500, the moving rod 600, the rotating arm 700, the first spring 800, the housing 900, the accommodating cavity 910, the notch 920, and the chute 930.

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, greater than, less than, exceeding, etc. are understood to exclude this number, and above, below, within, etc. are understood to include this number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating 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, 2 and 3, the door lock structure according to the embodiment of the present utility model includes a latch bolt 200, a latch structure 100, a micro switch 500 and a trigger structure; the latch structure 100 is used to lock or release the latch bolt 200; the triggering structure comprises a triggering member for triggering the micro switch 500 and a first spring 800 capable of driving the triggering member to restore to an original position under the elastic restoring effect.

As shown in fig. 1, 2 and 3, when the latch structure 100 locks the latch bolt 200, the latch bolt 200 extends into the latch structure 100, and the latch bolt 200 is locked by the latch structure 100, and at the same time, the latch bolt 200 causes the trigger member to trigger the micro switch 500 and the first spring 800 to deform.

As shown in fig. 3 and 1, when the latch structure 100 releases the latch 200, the latch 200 releases the trigger member, and the first spring 800 elastically restores the trigger member to restore the original position, so that the trigger member does not trigger the micro switch 500.

Specifically, the micro-switch 500 is electrically connected with the electric heating element of the dishwasher, when the door is opened, the lock tongue 200 is moved out of the lock catch structure 100, the micro-switch 500 makes the electric heating element not work, and when the door is closed, the lock tongue 200 extends into the lock catch structure 100 and is locked, and the micro-switch 500 makes the electric heating element work.

The door lock structure can lock the lock tongue through the lock catch structure, so that the machine door is fixed, the machine door is prevented from being opened by mistake, the locking can be matched with the triggering structure, and when a user opens and closes the machine door, the opening and closing of electronic elements in the dish washing machine can be controlled, and the functions are more.

The latch structure 100 includes first and second openable and closable latch arms 110 and 120 and a movable block 300 movable up and down; the lock tongue 200 can drive the first lock arm 110 and the second lock arm 120 to rotate towards the external direction of the locking structure 100; the first lock arm 110 and the second lock arm 120 can drive the moving block 300 to move downwards when rotating towards the external direction of the locking structure 100; when the second spring 400 is elastically restored, the moving block 300 makes the first lock arm 110 and the second lock arm 120 jointly rotate towards the inner direction of the locking structure 100, so that the first lock arm 110 and the second lock arm 120 are abutted against the lock tongue 200.

The latch structure 100 is mounted on the body of the dishwasher, the latch bolt 200 is mounted on the door of the dishwasher, and when the door is closed, the latch bolt 200 can be inserted into the latch structure 100.

As shown in fig. 1, when the door is closed, the lock tongue 200 is moved downward to be inserted into the latch structure 100, as shown in fig. 2, the lock tongue 200 pushes the first lock arm 110 and the second lock arm 120 open, so that the moving block 300 moves downward, as shown in fig. 3, after the lock tongue 200 is placed in the first lock arm 110 and the second lock arm 120, the second spring 400 is elastically restored, and the moving block 300 makes the first lock arm 110 and the second lock arm 120 close to lock the lock tongue 200, thereby locking the door to the dishwasher body; when the door is opened, the lock tongue 200 moves upwards to move out of the locking structure 100, the lock tongue 200 pushes the first lock arm 110 and the second lock arm 120 away, the moving block 300 moves downwards, after the lock tongue 200 moves out of the locking structure 100, the second spring 400 elastically recovers, and the moving block 300 enables the first lock arm 110 and the second lock arm 120 to recover to the original positions.

The locking bolt 200 is realized by adopting the movable block 300 to be matched with the second spring 400, the second spring 400 can adopt a common spring, namely, the second spring 400 does not need a clamping structure, the first lock arm 110 and the second lock arm 120 do not need a clamping structure and do not need a plurality of structures matched with the bolt 200, and the door lock structure is simple.

As shown in fig. 1 and 4, the door lock structure further includes a housing 900, the housing 900 has a receiving cavity 910 therein, a notch 920 communicating with the receiving cavity 910 is provided at the top of the housing 900, and the lock tongue 200 can enter the receiving cavity 910 through the notch 920.

As shown in fig. 1, the middle part of the first locking arm 110 and the middle part of the second locking arm 120 are rotatably installed in the accommodating cavity 910, when the first locking arm 110 and the second locking arm 120 are rotated together in the external direction of the locking structure 100 (i.e., the first locking arm 110 rotates counterclockwise and the second locking arm 120 rotates clockwise) as shown in fig. 2, the top of the first locking arm 110 and the top of the second locking arm 120 are far away from each other to form an open state, and when the first locking arm 110 and the second locking arm 120 are rotated together in the internal direction of the locking structure 100 (i.e., the first locking arm 110 rotates clockwise and the second locking arm 120 rotates counterclockwise) as shown in fig. 1 and 3, the top of the first locking arm 110 and the top of the second locking arm 120 are close to each other to form a closed state; the locking tongue 200 may push the first and second locking arms 110 and 120 apart through the notch 920.

As shown in fig. 1 and 4, the moving block 300 is slidably engaged with the housing 900, the housing 900 is provided with a sliding slot 930, the moving block 300 is provided with a sliding block 320 slidably engaged with the sliding slot 930, the moving block 300 is matched with the first locking arm 110 and the second locking arm 120, when the first locking arm 110 rotates counterclockwise and the second locking arm 120 rotates clockwise as shown in fig. 1 and 2, the first locking arm 110 and the first locking arm 110 can drive the moving block 300 to move downward, when the first locking arm 110 rotates clockwise and the second locking arm 120 rotates counterclockwise as shown in fig. 3, the first locking arm 110 and the first locking arm 110 do not drive the moving block 300 to move downward, and the moving block 300 drives the first locking arm 110 to rotate clockwise and the second locking arm 120 to rotate counterclockwise under the drive of the second spring 400.

In some embodiments of the present utility model, as shown in fig. 1, 2 and 3, the moving block 300 is located below the latch structure 100, and two grooves 310 distributed in a mirror image manner in the left-right direction are provided on the top of the moving block 300; the bottom of the first locking arm 110 is slidably engaged with the left groove 310, and the bottom of the second locking arm 120 is slidably engaged with the right groove 310, so that the first locking arm 110 and the second locking arm 120 can drive the moving block 300 to move downward when the first locking arm 110 and the second locking arm 120 rotate together in the external direction of the latch structure 100.

The lock tongue 200 is inserted into the first lock arm 110 and the second lock arm 120 from top to bottom, the lock tongue 200 pushes the first lock arm 110 to rotate anticlockwise and the second lock arm 120 to rotate clockwise, the bottom of the first lock arm 110 is in sliding fit with the left groove 310, the bottom of the second lock arm 120 is in sliding fit with the right groove 310, the moving block 300 is made to move downwards, and after the lock tongue 200 moves into the first lock arm 110 and the second lock arm 120, the left groove 310 and the right groove 310 push the first lock arm 110 to rotate clockwise and the second lock arm 120 to rotate anticlockwise under the driving of the second spring 400 to lock. The bottoms of the first groove 310 and the second groove 310 are slidably engaged with the two grooves 310 and the second spring 400 is engaged to realize locking of the latch 200, and the structure is simple.

In a further embodiment of the present utility model, as shown in fig. 1, 2 and 3, the groove 310 includes a downward concave arc-shaped section 311, a height value between an end of the arc-shaped section 311 near the middle of the moving block 300 and a horizontal plane is greater than a height value between an end of the arc-shaped section 311 far from the middle of the moving block 300 and a horizontal plane, an end of the arc-shaped section 311 far from the middle of the moving block 300 is connected with an arc-shaped section 312, so that the groove 310 is hooked, the left arc-shaped section 312 is downward concave from right to left, the right arc-shaped section 312 is downward concave from left to right, the bottom of the first locking arm 110 and the bottom of the second locking arm 120 can drive the moving block 300 to move downward when the bottoms of the first locking arm 110 and the second locking arm 120 are close to each other, and the second spring 400 can drive the moving block 300 to move upward when the bottoms of the first locking arm 110 and the second locking arm 120 are far from each other.

In a further embodiment of the present utility model, as shown in fig. 1, 2 and 3, the shape of the bottom of the first locking arm 110 and the shape of the bottom of the second locking arm 120 are matched with the shape of the groove 310, so as to facilitate the sliding fit of the first locking arm 110 and the second locking arm 120 with the groove 310. Specifically, the bottom of the first lock arm 110 and the bottom of the second lock arm 120 have circular arc portions.

In a further embodiment of the present utility model, as shown in fig. 1, 2 and 3, the moving rod 600 is movably installed below the latch bolt 200 up and down, the middle part of the rotating arm 700 is rotatably installed on the housing 900, one end of the rotating arm 700 is abutted with the bottom of the moving rod 600, and the first spring 800 is used for driving the other end of the rotating arm 700 to be abutted with the switch of the micro switch 500. The moving rod 600 is slidably matched with the moving block 300, the moving rod 600 can move up and down relative to the moving block 300, specifically, the micro switch 500 is positioned below the moving rod 600 and the moving block 300, and the rotating arm 700 is positioned between the moving rod 600 and the micro switch 500; the moving block 300 is provided with a vertically arranged sliding groove, and the moving rod 600 is in sliding fit with the sliding groove; the rotary arm 700 has a splayed shape, and a middle portion of the rotary arm 700 is rotatably mounted on the housing 900.

When the lock tongue 200 is not inserted into the first lock arm 110 and the second lock arm 120, the right end of the rotating arm 700 keeps pressing the switch of the micro switch 500, the micro switch 500 is not triggered, and the left end of the rotating arm 700 keeps driving the moving rod 600 to move to the highest position; when the lock tongue 200 is inserted into the first lock arm 110 and the second lock arm 120, the bottom of the lock tongue 200 drives the moving rod 600 to move downwards, and then the lock tongue 200 presses the rotating arm 700 downwards, so that the rotating arm 700 rotates anticlockwise, the right end of the rotating arm 700 is far away from the switch of the micro switch 500, and the micro switch 500 is triggered; the latch bolt 200 moves out of the first latch arm 110 and the second latch arm 120, the latch bolt 200 moves upward, the moving rod 600 can move upward, the first spring 800 elastically recovers, the first spring 800 enables the rotating arm 700 to rotate clockwise, the right end of the rotating arm 700 continuously presses down the switch of the micro switch 500, the left end of the rotating arm 700 drives the moving rod 600 to move upward, and the left end of the rotating arm 700 continuously presses down the switch of the micro switch 500.

In a further embodiment of the present utility model, the first spring 800 is a torsion spring.

In some embodiments of the present utility model, as shown in fig. 1, the locking tongue 200 has a diamond shape to facilitate pushing the first and second locking arms 110 and 120 outward.

In a further embodiment of the present utility model, as shown in fig. 1, the latch bolt 200 includes a first connecting portion 210 and a second connecting portion 220, the bottom of the first connecting portion 210 is fixedly connected to the top of the second connecting portion 220, the first connecting portion 210 has a diamond shape, and the second connecting portion 220 has a rod shape. The second connection part 220 has a rod shape to facilitate insertion into a space between the first locking arm 110 and the second locking arm 120.

In a further embodiment of the present utility model, as shown in fig. 1, a portion of the top of the first locking arm 110 is bent toward the direction of the locking bolt 200, and a portion of the top of the second locking arm 120 is bent toward the direction of the locking bolt 200, so as to better match the shape of the locking bolt 200 and ensure locking of the locking bolt 200.

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 (10)

1. A door lock structure, comprising:

a bolt;

the lock catch structure is used for locking or releasing the lock tongue;

a micro-switch;

the trigger structure comprises a trigger component and a first spring, wherein the trigger component is used for triggering the micro switch, and the first spring can drive the trigger component to restore to the original position under the action of elastic restoration;

when the lock catch structure locks the lock tongue, the lock tongue enables the trigger member to trigger the micro switch and enables the first spring to deform;

when the lock catch structure releases the lock catch, the lock catch releases the trigger member, and the first spring elastically restores to enable the trigger member to restore to the original position, so that the trigger member does not trigger the micro switch.

2. The door lock structure according to claim 1, wherein: the trigger component comprises a moving rod and a rotating arm, wherein the moving rod is installed below the lock tongue in a vertically movable mode, and one end of the rotating arm is abutted to the bottom of the moving rod.

3. The door lock structure according to claim 2, wherein: the first spring is a torsion spring.

4. The door lock structure according to claim 1, wherein: the locking structure comprises a first locking arm and a second locking arm which can be opened and closed, and also comprises a moving block which can move up and down, wherein a second spring is arranged at the bottom of the moving block;

the top parts of the first locking arm and the second locking arm are far away from each other, so that the moving block can move downwards;

when the second spring is elastically restored, the moving block enables the tops of the first locking arm and the second locking arm to be close to each other.

5. The door lock structure according to claim 4, wherein: the moving block is positioned below the first locking arm and the second locking arm, and two grooves which are distributed in a mirror image mode in the left-right direction are formed in the top of the moving block; the bottom of first lock arm with left side recess sliding fit, the bottom of second lock arm with right side recess sliding fit, first lock arm with when the second lock arm is jointly to the outside direction of hasp structure rotates, first lock arm with the second lock arm can drive the movable block moves down.

6. The door lock structure according to claim 5, wherein: the groove comprises an arc-shaped section which is sunken downwards, the height value of one end, close to the middle part of the movable block, of the arc-shaped section and the horizontal plane is larger than the height value of one end, far away from the middle part of the movable block, of the arc-shaped section and the horizontal plane, and one end, far away from the middle part of the movable block, of the arc-shaped section is connected with the arc-shaped section.

7. The door lock structure according to claim 5, wherein: the shape of the bottom of the first locking arm and the shape of the bottom of the second locking arm are matched with the shape of the groove.

8. The door lock structure according to claim 4, wherein: the lock tongue is diamond-shaped.

9. The door lock structure according to claim 8, wherein: the spring bolt includes first connecting portion and second connecting portion, first connecting portion bottom with second connecting portion top fixed connection, first connecting portion are diamond, second connecting portion are the shaft-like.

10. The door lock structure according to claim 8, wherein: a part of the top of the first locking arm is bent towards the direction of the lock tongue, and a part of the top of the second locking arm is bent towards the direction of the lock tongue.