CN220376948U

CN220376948U - Electric control washing machine door lock

Info

Publication number: CN220376948U
Application number: CN202321398439.5U
Authority: CN
Inventors: 蔡妙国
Original assignee: Ningbo Odesen Electric Appliance Co ltd
Current assignee: Ningbo Odesen Electric Appliance Co ltd
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2024-01-23
Anticipated expiration: 2033-06-05

Abstract

The application discloses an electric control washing machine door lock, which comprises a machine body, a machine door and a door lock mechanism, wherein the door lock mechanism is suitable for being electrically connected with a power circuit of the washing machine and comprises a locking block assembly and a locking shell assembly, the locking block assembly is arranged on the machine door, and the locking shell assembly is arranged on the machine body; when the washing machine is electrified and started to be used, the locking block assembly is suitable for being buckled with the locking shell assembly, so that the machine door is locked on the machine body, the locking block assembly comprises a locking block body, and the locking block body is elastically and slidably arranged in the machine door; when the washing machine is electrified and started to be used, the lock shell assembly is suitable for driving the lock block body to move and be inserted into the lock shell assembly. The beneficial effects of this application: when the washing machine is electrified, the locking block assembly and the locking shell assembly are buckled with each other, so that the machine door is locked on the machine body, and therefore, the machine door is in a locking state and cannot be opened when the washing machine is operated, the safety is improved, and the door lock mechanism is simple in structure, low in manufacturing cost and convenient to use.

Description

Electric control washing machine door lock

Technical Field

The application relates to the technical field of washing machine accessories, in particular to an electric control washing machine door lock.

Background

The door lock of the washing machine plays a vital role in the washing machine, and the door cover of the washing machine needs to be connected with the main body of the washing machine through the door lock of the washing machine during normal washing operation so as to prevent the door cover from being randomly opened during the washing machine operation, so that foreign matters outside possibly fall into the washing machine to damage the washing machine, and danger is possibly brought to people who carelessly touch the main body parts inside the washing machine.

In the existing washing machine, the degree of intellectualization is low for some low-end washing machines, and the washing machine does not have a door lock structure, so that the washing machine is dangerous if a door of the washing machine is opened by mistake in the washing and dewatering processes, particularly when a washing barrel rotates at a high speed, and personal injury is easy to cause; also, for some high-end washing machines, such as drum type washing machines, although having a door lock structure, the structure is complicated and the manufacturing cost is high; therefore, the electric control washing machine door lock is simple in structure and low in manufacturing cost.

Disclosure of Invention

One of the purposes of the application is to provide an electric control washing machine door lock which is simple in structure and low in manufacturing cost.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: the door lock comprises a machine body, a machine door and a door lock mechanism, wherein the door lock mechanism is suitable for being electrically connected with a power circuit of the washing machine and comprises a locking block assembly and a locking shell assembly, the locking block assembly is arranged on the machine door, and the locking shell assembly is arranged on the machine body; when the washing machine is electrified and started to be used, the locking block assembly is suitable for being buckled with the lock shell assembly, so that the machine door is locked on the machine body.

Preferably, the locking piece assembly comprises a locking piece body, and the locking piece body is elastically and slidably arranged in the machine door; when the washing machine is electrified and started to be used, the lock shell assembly is suitable for driving the lock block body to move and be inserted into the lock shell assembly, so that the machine door is locked on the machine body.

Preferably, the lock shell assembly comprises a shell and an electromagnet, a lock hole matched with the lock block body is formed in the side part of the shell, and the electromagnet is arranged in the lock hole and is electrically connected with a power circuit of the washing machine; when the washing machine is electrified and started for use, the electromagnet is electrified to generate magnetic force, so that the iron locking block body moves and is inserted into the locking hole.

Preferably, the side portion of the machine door is provided with a mounting groove, the locking block body is slidably arranged in the mounting groove through the sliding component, and a spring is arranged between the locking block body and the mounting groove.

Preferably, the sliding assembly comprises a sliding block and a sliding groove, the sliding block is installed on the locking block body, the sliding groove is formed in the installation groove, and the sliding block and the sliding groove form sliding fit.

Preferably, the sliding assembly comprises a sliding block and a sliding groove, the sliding block is installed in the installation groove, the sliding groove is formed in the locking block body, and the sliding block and the sliding groove form sliding fit.

Preferably, an end cover matched with the mounting groove is arranged at the top end of the machine door, and the end cover and the mounting groove are detachably and fixedly mounted.

Preferably, a protection structure is arranged between the machine door and the machine body; the protection structure is adapted to cause the washing machine power supply circuit to be in an open state when the door is not closed; the protection structure is adapted to make the washing machine power supply circuit in a passage state when the door is closed.

Preferably, the protection structure comprises a normally open switch and a matching block, wherein the normally open switch is arranged on the shell, the matching block is arranged on the machine door, and the normally open switch is suitable for being electrically connected with a power circuit of the washing machine; when the machine door is closed, the matching block is suitable for extruding the normally open switch, so that the normally open switch is closed.

Compared with the prior art, the beneficial effect of this application lies in:

(1) The lock block assembly and the lock shell assembly are mutually buckled when the washing machine is electrified, so that the machine door is locked on the machine body, and is in a locking state and can not be opened when the washing machine is operated, and the door lock mechanism is simple in structure, low in manufacturing cost and convenient to use.

(2) The utility model has the advantages that the protection structure is arranged, when the machine door is not closed, the protection structure can enable the power supply circuit of the washing machine to be in an open circuit state, and the washing machine can not be started at the moment; when the door is closed, the protection structure can enable the power circuit of the washing machine to be in a passage state, so that the power can be started; therefore, the door of the washing machine is in a closed state, the washing machine can be started, and the safety is further improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic view of a partial structure of the present utility model.

FIG. 3 is a schematic view of the door structure of the present utility model.

Fig. 4 is an enlarged schematic view of the structure of the present utility model at a.

FIG. 5 is a schematic view of a lock housing assembly according to the present utility model.

Fig. 6 is a schematic view showing a state when the door lock mechanism of the present utility model is engaged.

In the figure: 1. a washing machine body; 11. a body; 12. a gate; 2. a door lock mechanism; 21. a lock block assembly; 211. a lock block body; 212. a spring; 213. a mounting groove; 22. a lock housing assembly; 221. a housing; 222. an electromagnet; 223. a lock hole; 3. an end cap; 4. a protective structure; 41. a mating block; 42. a normally open switch; 5. a sliding assembly; 51. a chute; 52. a sliding block.

Detailed Description

The present application will be further described with reference to the specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present application, it should be noted that, for the azimuth terms such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present application and simplifying the description, and it is not to be construed as limiting the specific protection scope of the present application that the device or element referred to must have a specific azimuth configuration and operation, as indicated or implied.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

In one preferred embodiment of the present application, as shown in fig. 1 to 6, an electrically controlled washing machine door lock comprises a washing machine body 1 and a door lock mechanism 2, wherein the washing machine body 1 comprises a machine body 11 and a machine door 12, the door lock mechanism 2 is electrically connected with a power circuit of the washing machine, and the door lock mechanism 2 comprises a locking block assembly 21 and a locking shell assembly 22, wherein the locking block assembly 21 is mounted on the machine door 12, and the locking shell assembly 22 is mounted near an opening of the machine body 11.

When the washing machine is used, after clothes to be washed are put into the washing machine, the machine door 12 is closed, at the moment, the locking block assembly 21 on the machine door 12 corresponds to the locking shell assembly 22 on the machine body 11, then a power button of the washing machine is opened to clean the clothes, and when the washing machine is electrified, the locking block assembly 21 and the locking shell assembly 22 are buckled with each other, so that the machine door 12 is locked on the machine body 11, and thus, when the washing machine is in operation, the machine door 12 is in a locking state and cannot be opened; when the washing is finished, the power supply is turned off, the locking block assembly 21 and the locking shell assembly 22 are separated from each other, so that the locking of the machine door 12 is released, and the machine door 12 can be opened to take and put clothes; the door lock mechanism 2 has simple structure, low manufacturing cost and convenient use.

In this embodiment, as shown in fig. 4, the lock block assembly 21 includes a lock block body 211, wherein the lock block body 211 is elastically slidably disposed inside the door 12; when the washing machine is powered on, the lock shell assembly 22 attracts and drives the lock block body 211 to move, so that the lock block body extends out of the machine door 12 and is inserted into the lock shell assembly 22, and the machine door 12 is locked on the machine body 11.

As shown in fig. 5, the lock case assembly 22 includes a case 221 and an electromagnet 222, a lock hole 223 adapted to the lock block body 211 is provided at a side portion of the case 221, and the electromagnet 222 is fixedly installed in the lock hole 223, and the electromagnet 222 is electrically connected with a power circuit of the washing machine; when the washing machine is electrified, the electromagnet 222 is electrified and generates magnetic force, so that the locking piece body 211 (preferably made of iron) is attracted, and under the action of the magnetic force, the locking piece body 211 moves to extend out of the machine door 12 and is inserted into the lock hole 223, so that the locking of the machine door 12 is finished.

In this embodiment, as shown in fig. 4, the lock block body 211 is mounted by: a mounting groove 213 is formed in the side part of the door 12, the locking piece body 211 is slidably arranged in the mounting groove 213 through the sliding assembly 5, and a spring 212 is fixedly arranged between the locking piece body 211 and the inner wall of the mounting groove 213; when the door 12 is locked, i.e. the locking piece body 211 moves and stretches out of the door 12 under the action of the electromagnet 222, the spring 212 is in a stretched state; when the washing is finished, the power supply is turned off, the electromagnet 222 is powered off to lose magnetic force, the locking piece body 211 moves and is retracted into the mounting groove 213 under the action of the spring 212, and the locking piece body 211 is separated from the locking hole 223 on the shell 221, so that the door 12 is unlocked.

As shown in fig. 4, the sliding assembly 5 includes a sliding block 52 and a sliding slot 51, and the sliding block 52 and the sliding slot 51 are mounted in various manners, including but not limited to the following two manners:

mode one: the sliding block 52 is fixedly installed on the lock block body 211, the sliding groove 51 is arranged in the installation groove 213, and the sliding block 52 and the sliding groove 51 form a sliding fit.

Mode two: the sliding block 52 is fixedly installed in the installation groove 213, the sliding groove 51 is arranged on the lock block body 211, and the sliding block 52 and the sliding groove 51 form sliding fit.

In the first embodiment or the second embodiment, the sliding block 52 and the sliding groove 51 are preferably two sets and are symmetrically disposed on the mounting groove 213 and the locking piece body 211, so as to improve the stability of the locking piece body 211.

In this embodiment, as shown in fig. 2 and 3, an end cover 3 adapted to the mounting groove 213 is provided at the top end of the door 12, and the end cover 3 and the mounting groove 213 may be detachably and fixedly connected by using a bolt mounting manner; thus, the inside of the mounting groove 213 can be overhauled, and the mounting groove 213 is hidden, so that the attractiveness is improved.

The above embodiment also suffers from the following drawbacks when in use:

whether the door lock mechanism 2 of the washing machine is locked or not is irrelevant to whether the washing machine can be started or not, in other words, before clothes are washed, if the door 12 is in an open state or in an untight state, the washing machine can still be started at this time, but the door 12 is in an unlocked state at this time; namely, the door lock mechanism 2 must be in a closed state before the washing machine is started, and the door 12 can be locked when washing clothes; there is also a certain security problem.

In order to solve the above-mentioned drawbacks, as shown in fig. 2, a protective structure 4 may be provided between the door 12 and the body 11; namely, when the machine door 12 is not closed, the protection structure 4 can enable the power circuit of the washing machine to be in an open circuit state, and the washing machine cannot be started at the moment; when the door 12 is closed, the protection structure 4 can enable the power circuit of the washing machine to be in a passage state, so that the power can be started; this achieves that the door 12 of the washing machine must be closed and the washing machine can be started, further improving safety.

In this embodiment, as shown in fig. 4 to 6, the protection structure 4 includes a normally open switch 42 and a mating block 41, wherein the mating block 41 is fixedly mounted on the door 12, and the normally open switch 42 may be mounted at a suitable position of the housing 221 or the main body 11, but the normally open switch 42 is electrically connected to a power circuit of the washing machine.

When the machine door 12 is closed, the matching block 41 just presses the normally open switch 42, and the normally open switch 42 is converted into a closed state at the moment, so that a power circuit of the washing machine is in a passage state; if the machine door 12 is not closed, that is, the matching block 41 does not press the normally open switch 42, the normally open switch 42 is in a normal state, that is, in an open state, so that the power circuit of the washing machine is in an open state.

It should be noted that, the "normally open switch 42" refers to a switch that is in an open state under the condition that the switch has no external force, when someone toggles the switch button or the switch is controlled by the automatic device to toggle, the switch is switched to a passage, and the normally closed switch is just opposite to the passage; and this document is mainly used to protect mechanical devices, the circuit connection is not explained in detail, which is known to those skilled in the art.

The working principle of the electric control washing machine door lock is as follows:

firstly putting clothes into a washing machine, then closing the door 12, at the moment, extruding the normally open switch 42 by the matching block 41, enabling a power circuit of the washing machine to be in a passage state, then opening a power button of the washing machine for starting, electrifying the electromagnet 222 and generating magnetic force when the washing machine is electrified for use, further attracting the locking block body 211, and under the action of the magnetic force, enabling the locking block body 211 to move to extend out of the door 12 and be inserted into the lock hole 223, thereby completing locking of the door 12; when the washing is finished, the power supply is turned off, the electromagnet 222 is powered off to lose magnetic force, the locking piece body 211 moves and is retracted into the mounting groove 213 under the action of the spring 212, and the locking piece body 211 is separated from the locking hole 223 on the shell 221, so that the locking of the door 12 is released; the electric control washing machine door lock has simple structure, does not need a controller and some sensor components, and has low manufacturing cost and convenient use.

The foregoing has outlined the basic principles, main features and advantages of the present application. It will be appreciated by persons skilled in the art that the present application is not limited to the embodiments described above, and that the embodiments and descriptions described herein are merely illustrative of the principles of the present application, and that various changes and modifications may be made therein without departing from the spirit and scope of the application, which is defined by the appended claims. The scope of protection of the present application is defined by the appended claims and equivalents thereof.

Claims

1. An electronically controlled washing machine door lock, comprising: the washing machine comprises a machine body, a machine door and a door lock mechanism, wherein the door lock mechanism is suitable for being electrically connected with a power circuit of the washing machine and comprises a locking block assembly and a locking shell assembly, the locking block assembly is arranged on the machine door, and the locking shell assembly is arranged on the machine body; when the washing machine is electrified and started to be used, the locking block assembly is suitable for being buckled with the lock shell assembly, so that the machine door is locked on the machine body.

2. The electronically controlled washing machine door lock of claim 1, wherein: the locking piece assembly comprises a locking piece body, and the locking piece body is elastically arranged in the machine door in a sliding manner; when the washing machine is electrified and started to be used, the lock shell assembly is suitable for driving the lock block body to move and be inserted into the lock shell assembly, so that the machine door is locked on the machine body.

3. The electronically controlled washing machine door lock of claim 2, wherein: the lock shell assembly comprises a shell and an electromagnet, a lock hole matched with the lock block body is formed in the side part of the shell, and the electromagnet is arranged in the lock hole and is electrically connected with a power circuit of the washing machine; when the washing machine is electrified and started for use, the electromagnet is electrified to generate magnetic force, so that the iron locking block body moves and is inserted into the locking hole.

4. An electrically controlled washing machine door lock as claimed in claim 3, wherein: the lateral part of gate is provided with the mounting groove, the locking piece body through slip subassembly slip set up in the mounting groove, just the locking piece body with install the spring between the mounting groove.

5. The electronically controlled washing machine door lock of claim 4, wherein: the sliding assembly comprises a sliding block and a sliding groove, wherein the sliding block is installed on the locking block body, the sliding groove is formed in the installation groove, and the sliding block and the sliding groove form sliding fit.

6. The electronically controlled washing machine door lock of claim 4, wherein: the sliding assembly comprises a sliding block and a sliding groove, wherein the sliding block is installed in the installation groove, the sliding groove is formed in the locking block body, and the sliding block and the sliding groove form sliding fit.

7. An electrically controlled washing machine door lock as claimed in any one of claims 4 to 6, wherein: the top of the machine door is provided with an end cover matched with the mounting groove, and the end cover is fixedly mounted with the mounting groove in a detachable mode.

8. An electrically controlled washing machine door lock as claimed in claim 3, wherein: a protection structure is arranged between the machine door and the machine body; the protection structure is adapted to cause the washing machine power supply circuit to be in an open state when the door is not closed; the protection structure is adapted to make the washing machine power supply circuit in a passage state when the door is closed.

9. The electronically controlled washing machine door lock of claim 8, wherein: the protection structure comprises a normally open switch and a matching block, wherein the normally open switch is arranged on the shell, the matching block is arranged on the machine door, and the normally open switch is suitable for being electrically connected with a power circuit of the washing machine; when the machine door is closed, the matching block is suitable for extruding the normally open switch, so that the normally open switch is closed.