CN219241595U - Simple door lock structure and household appliance thereof - Google Patents

Abstract

The utility model discloses a simple door lock structure and a household appliance thereof, wherein the simple door lock structure comprises a limiting piece, a bracket body and a driving assembly; the limiting piece is movably arranged on the door body and provided with a locking position and an unlocking position, and the switching from the locking position to the unlocking position is performed under the action of the driving component; the bracket body is provided with a limiting part which can be matched with the limiting piece to form a locking relation; the driving component is arranged on the door body and can reciprocate on the door body and is used for driving the limiting piece to switch from the locking position to the unlocking position; and when the limiting piece is positioned at the unlocking position, the locking relation between the limiting piece and the limiting part is released. The utility model realizes the simple child lock function through the simple door lock structure of the pure machine, has simple structure and low cost, needs to execute the front operation when opening the door body, can not open the door body when the button is released and automatically enters the locking state, reduces the danger caused by misoperation of consumers, and has little damage to the appearance of the prior product.

Description

Simple door lock structure and household appliance thereof

Technical Field

The utility model relates to the technical field of household electrical appliance products, in particular to a simple door lock structure and a household electrical appliance thereof.

Background

The household appliances are the general electric appliances for realizing various functions, and greatly facilitate the life and work of people. Many household appliances are provided with a door body opening and closing structure, namely the door body of the household appliance needs to be controlled to be opened and closed in the using process of the household appliance. In some cases, the door lock structure is needed to improve the use safety of the household appliance, for example, the cooking appliance is quite simple and convenient in the door opening action of the traditional handle type door opening cooking appliance, the door opening action can be realized by pulling the handle, and the door opening operation is easy, but when the door is opened during cooking, the high temperature in the oven cavity can be released instantly, and the danger that a child misoperates the handle to open the door under the condition of no monitoring, so that food in the appliance is scalded is caused. How to design and optimize the door lock structure has important significance for improving the sense and the use experience of household electrical appliance products and controlling the production cost of enterprises.

Disclosure of Invention

Aiming at the problems of the background and the prior art method, the utility model provides a simple door lock structure, and the technical scheme of the utility model is as follows:

a simple door lock structure comprises a limiting piece, a bracket body and a driving component; the limiting piece is movably arranged on the door body and provided with a locking position and an unlocking position, and the switching from the locking position to the unlocking position is performed under the action of the driving component; the bracket body is provided with a limiting part which can be matched with the limiting piece to form a locking relation; the driving component is arranged on the door body and can reciprocate on the door body, and is used for driving the limiting piece to switch from the locking position to the unlocking position; and when the limiting piece is positioned at the unlocking position, the locking relation between the limiting piece and the limiting part is released.

As a further explanation of the present utility model, one end of the limiting piece is provided with a hook part, the other end of the limiting piece is provided with a rotating shaft, and the limiting piece is rotatably installed on the door body; the limiting part is a clamping hook hole formed on the bracket body corresponding to the limiting part, and the clamping hook hole allows the hook part to pass through in a rotating way and be matched with the hook part to limit the movement of the door body in the first direction.

Still further, the drive assembly includes button and reset spring, the button with the limiter transmission is connected, reset spring overlaps and is established on the button and be used for the reset of button.

Still further, the button is in direct driving connection with the limiter or in driving connection with the limiter through a connector.

Further, a handle is arranged on the door body, and the driving assembly is arranged on the upper portion of the handle and penetrates through the door body to be in transmission connection with a limiting piece on the inner side of the door body.

Furthermore, a protective shell is arranged on the inner side of the clamping hook hole, and the protective shell seals the inner side of the clamping hook hole.

Further, the limiting piece is an L-shaped clamping hook.

On the other hand, the utility model provides a household appliance, which comprises a door body and a box body, wherein the door body is arranged on an opening of the box body in an opening and closing way, and the household appliance further comprises the simple door lock structure.

Further, the bracket body is fixed on the box body, or the bracket body is the box body.

Furthermore, the door body is a side-pull type or a down-pull type door body, and the inner side of the clamping hook hole is sealed by a protective shell or by an internal part of the household appliance, so that the outside cannot contact the inside of the household appliance.

The utility model has the beneficial effects that:

according to the utility model, a simple door lock structure of a pure machine is adopted to realize a simple child lock function, the effect of imitating misoperation to open the door is achieved on the basis of no complicated action, the door lock is suitable for all household appliances with handle type door opening structures at present, the structure is simple, the cost is low, under the limit of the simple door lock structure, the front operation is required to be executed when the door body of the microwave oven is opened, the door body of the microwave oven can not be opened when the button is released, and the risk of scalding caused by misoperation of consumers is reduced; on the other hand, the simple door lock has little damage to the appearance of the existing product, and can meet the requirement of users on the appearance of household appliances through the optimal utilization of the existing product.

Drawings

FIG. 1 is an exploded view of an embodiment of the present utility model;

FIG. 2 is a diagram showing a lock state structure according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of a door opening operation principle according to an embodiment of the present utility model.

Reference numerals: the door comprises a bracket body 1, a door body 2, an L-shaped clamping hook 3, a first hooked edge 301, a second hooked edge 302, a clamping hook hole 4, a button 5, a reset spring 6, a handle 7 and a protective shell 8.

Detailed Description

Examples:

the following detailed description of embodiments of the utility model, taken in conjunction with the accompanying drawings, is evident in that the embodiments described are merely some, but not all embodiments of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

A simple door lock structure as shown in fig. 1 to 3 comprises a limiting piece, a bracket body 1 and a driving component. The limiting piece is movably arranged on the door body 2 and is provided with a locking position and an unlocking position, and the switching from the locking position to the unlocking position is performed under the action of the driving assembly; a limiting part which can be matched with the limiting piece to form a locking relation is arranged on the bracket body 1; the driving component is arranged on the door body 2 and can reciprocate on the door body 2, and is used for driving the limiting piece to switch from the locking position to the unlocking position; and when the limiting piece is positioned at the unlocking position, the locking relation between the limiting piece and the limiting part is released. The simple door lock structure of this embodiment is a structure for locking the door body 2, which requires a front operation to be added in the door opening process, and realizes the child lock function through the simple structure, and is mainly applicable to household appliances, so as to improve the safety of the door body structure of the corresponding electric appliance, for example, cooking appliances including but not limited to side pull type and pull down type door opening structures, etc.

In the electric appliance applying the simple door lock structure of the present utility model, the bracket body 1 is fixed on the electric appliance main body, or in some embodiments, the bracket body 1 may also be directly the electric appliance main body, as long as a limiting portion is provided on the defined bracket body 1, and the limiting portion can be matched with a limiting member on the door body 2 to form a locking relationship, so that the door body 2 is locked and fixed on the bracket body 1. The locking position of the limiting member in this embodiment means that when the limiting member is at the position, the limiting member will be limited by the limiting portion on the bracket body 1, so that the limiting member cannot move relative to the bracket body 1 in the opening direction of the door body 2, thereby achieving the effect that the door body 2 is locked and fixed on the bracket body 1, that is, the limiting member on the door body 2 and the limiting portion on the bracket body 1 form the locking relationship. Correspondingly, the unlocking position of the limiting piece means that the limiting piece moves or is converted to a position or a state which is separated from the limiting part, so that the limiting part does not form the movement limitation of the limiting piece in the opening direction of the door body 2, namely, the door body 2 can move freely in the opening direction. It is easy to understand that the design principle of the present utility model is that when the door body 2 is closed, the limiting member is in or automatically enters the locking position, so that the door body 2 cannot be normally opened before a front unlocking operation for switching the limiting member from the locking position to the unlocking position is not performed, thereby preventing danger or accident caused by misoperation of children, and improving safety of the household appliance.

It should be noted that the utility model aims to provide a simple door lock structure, and a preferred implementation mode is realized by a pure mechanical structure, no electronic device is needed, parts are fewer, the change of the existing electrical structure is small, the appearance of the product is not affected, the production and installation cost is reduced, and meanwhile, the operation of a user is simple and convenient. One end of the limiting piece is provided with a hook part, the other end of the limiting piece is provided with a rotating shaft, and the limiting piece is rotatably arranged on the door body 2; the limiting part is a hook hole 4 formed on the bracket body 1 corresponding to the limiting part, and the hook hole 4 allows the hook part to pass through in a rotating way and cooperate with the hook part to limit the movement of the door body 2 in the first direction. When the limiting piece rotates to the locking position, the hook part of the limiting piece can hook the hook hole 4, so that the door body 2 cannot be opened outwards along the first direction; when the limiting piece rotates to the unlocking position, the hook part and the hook hole 4 are tripped, and the door body 2 can move freely in the first direction.

Referring to the embodiment shown in the drawings, the limiting member of the present embodiment is an L-shaped hook 3 rotatably mounted on the door body 2, the limiting portion on the bracket body 1 is a hook hole 4 allowing the L-shaped hook 3 to pass through, and the driving assembly includes a button 5 and a return spring 6. In this embodiment, the L-shaped hook 3 is installed in an inverted rotation manner along the vertical direction, the rotation axis is located on the first hooked edge 301 without the hook portion, the hook portion of the L-shaped hook 3 is located at the end of the second hooked edge 302, and the hook portion of the L-shaped hook 3 is close to one end of the hook hole 4 on the bracket body 1 during installation; the button 5 is mounted at the lower end of the first hooked edge 301, the reciprocating direction of the button is a horizontal direction (i.e. a first direction), the L-shaped hook 3 can be pushed to rotate when the button moves towards the first hooked edge 301, and the reset spring 6 is sleeved on the button 5, so that the button 5 can be reset along the horizontal first direction. In this embodiment, when the door body 2 is closed and the button 5 is not pressed, the L-shaped hook 3 is at the locking position, that is, the hook portion of the L-shaped hook 3 hooks the hook hole 4 on the bracket, so that the door body 2 cannot be opened along the opening direction (that is, the first direction), and a simple child lock function is realized. The door body 2 can be opened only by pulling the door body 2 while performing the front operation (pressing the button 5), when the button 5 is pressed, the button pushes the lower part of the first hooked edge 301, so that the L-shaped hook 3 rotates anticlockwise in the figure, the anticlockwise rotation of the L-shaped hook 3 can enable the hook part of the L-shaped hook 3 to be separated from the limitation of the hook hole 4, namely, the L-shaped hook 3 is at the unlocking position, and the door body 2 can be opened by pulling the door body 2. The other is that the button 5 is released after the door is closed, the button 5 is reset leftwards under the action of the reset spring 6, the rotation restriction of the L-shaped hook 3 is canceled, and the L-shaped hook 3 is not arranged on the rotating shaft due to the shape and structure of the L-shaped hook 3, so that the L-shaped hook is reset in a rotating way under the action of gravity and automatically enters a locking position to lock the door body 2 again.

Referring to the drawings, in this embodiment, the L-shaped hook 3 is directly driven to rotate by one end of the button 5, and in other embodiments, the button 5 may be connected to the L-shaped hook 3 through a connecting piece (not shown in the drawings), that is, the button 5 may indirectly drive the L-shaped hook 3 to move through the connecting piece, so that the installation mode of the simple door lock structure is more flexible. For example, in this embodiment, the door body 2 is provided with a handle 7, and the driving component is disposed at the upper portion of the handle 7 and directly connected in a transmission manner through the door body 2 and the L-shaped hook 3 inside the door body 2. In some embodiments, the button 5 may be connected with the L-shaped hook 3 by a middle connector, so that the button 5 may be flexibly disposed on the handle 7 and may be better disposed at a position corresponding to the user operation.

Referring to the drawings, in practical application, in order to avoid communication between the hook hole 4 and the inside of the household appliance, and prevent foreign matters (especially metal foreign matters) from entering the inside of the household appliance or contacting with electronic circuit devices inside the household appliance, a protective shell 8 is provided in the embodiment, and the protective shell 8 is mounted on the inner side of the bracket body 1 to seal the inner side of the hook hole 4, i.e. isolate the hook hole 4 from the inner side space, so as to achieve the protection effect. In some applied embodiments, the original internal parts of the household appliance can be used to seal the hook hole 4, i.e. the hook hole 4 is arranged at a position which is not communicated with the interior of the household appliance, so as to achieve the protection function of isolating the hook hole 4 from the communication of the internal space.

The present utility model is applicable to all household appliances which are opened by pulling through the door handle 7, including but not limited to household appliances with side pull type and down pull type door opening structures, for example, a cooking appliance using the simple door lock structure is shown in the attached drawings, and particularly a microwave oven. In the embodiment, the button 5 and the reset spring 6 are arranged on the handle 7 of the microwave oven door, the L-shaped clamping hook 3 is rotatably arranged on the microwave oven door body 2, the bracket body 1 is a microwave oven box body, and the clamping hook hole 4 is arranged at the position corresponding to the hooking position of the L-shaped clamping hook 3 on the microwave oven box body, so that the simple door lock structure is added on the microwave oven, under the limit of the simple door lock structure, the microwave oven door body 2 needs to be opened for executing the front operation (pressing the button 5), the button 5 is released to automatically enter the locking state so as not to open the microwave oven door body, the simple child lock function is realized through the simple door lock structure, and the risk of scalding caused by misoperation of consumers is reduced; on the other hand, the simple door lock has little damage to the appearance of the existing product, and can meet the requirement of users on the appearance of household appliances through the optimal utilization of the existing product.

The foregoing is illustrative of the preferred embodiments of the present utility model, and is not to be construed as limiting the claims. The utility model is not limited to the above embodiments, the specific construction of which is susceptible to variations, in any case all of which are within the scope of the utility model as defined in the independent claims.

Claims (10)

1. A simple door lock structure is characterized in that: comprises a limiting piece, a bracket body and a driving component; the limiting piece is movably arranged on the door body and provided with a locking position and an unlocking position, and the switching from the locking position to the unlocking position is performed under the action of the driving component; the bracket body is provided with a limiting part which can be matched with the limiting piece to form a locking relation; the driving component is arranged on the door body and can reciprocate on the door body, and is used for driving the limiting piece to switch from the locking position to the unlocking position; and when the limiting piece is positioned at the unlocking position, the locking relation between the limiting piece and the limiting part is released.

2. The easy door lock structure according to claim 1, wherein: one end of the limiting piece is provided with a hook part, the other end of the limiting piece is provided with a rotating shaft, and the limiting piece is rotatably arranged on the door body; the limiting part is a clamping hook hole formed on the bracket body corresponding to the limiting part, and the clamping hook hole allows the hook part to pass through in a rotating way and be matched with the hook part to limit the movement of the door body in the first direction.

3. The easy door lock structure according to claim 2, wherein: the driving assembly comprises a button and a reset spring, the button is in transmission connection with the limiting piece, and the reset spring is sleeved on the button and used for resetting the button.

4. A simple door lock structure according to claim 3, wherein: the button is in direct transmission connection with the limiting piece or in transmission connection with the limiting piece through a connecting piece.

5. The easy door lock structure according to claim 2, wherein: the door body is provided with a handle, and the driving assembly is arranged at the upper part of the handle and penetrates through the door body to be in transmission connection with the limiting piece at the inner side of the door body.

6. The easy door lock structure according to claim 2, wherein: the inner side of the clamping hook hole is provided with a protective shell, and the protective shell seals the inner side of the clamping hook hole.

7. The easy door lock structure according to any one of claims 2 to 6, wherein: the limiting piece is an L-shaped clamping hook.

8. The utility model provides a household appliance, includes door body and box, the door body opens and shuts and sets up on the opening of box, its characterized in that: a simple door lock structure comprising the hook hole formed on the case body according to any one of claims 2 to 7.

9. The household appliance according to claim 8, wherein: the support body is fixed on the box body, or the support body is the box body.

10. The household appliance according to claim 8, wherein: the door body is a side-pull type or a downward-pull type door body, and the inner side of the clamping hook hole is sealed by a protective shell or by internal parts of the household appliance.

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