CN214006848U

CN214006848U - Door lock mechanism for kitchen appliance and kitchen appliance

Info

Publication number: CN214006848U
Application number: CN202022215853.0U
Authority: CN
Inventors: 董卡卡; 曹骥; 姚青
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-08-20
Anticipated expiration: 2030-09-30

Abstract

The utility model provides a lock mechanism for kitchen appliance, its characterized in that is equipped with magnetism spare (32) including magnetic induction spare (31) and the magnetic conduction spare (33) that alternative setting is on kitchen appliance's main part (1) and door body (2), main part (1) or the door body (2) that magnetic induction spare (31) place, and this magnetism spare (32) are located the induction zone of magnetic induction spare (31) outside, and this magnetic conduction spare (33) are in the state that door body (2) lid closed on main part (1) is located the induction zone of magnetic induction spare (31) down, and is relative with magnetism spare (32) to produce magnetism under the magnetic field effect of magnetism spare, and with the actuation of magnetism spare, and then trigger foretell magnetic induction spare (31). The application also discloses a kitchen appliance with the door lock mechanism. Compared with the prior art, this application need not to adopt mechanical structure can realize locking a door and detect a body on-off state.

Description

Door lock mechanism for kitchen appliance and kitchen appliance

Technical Field

The utility model belongs to the technical field of kitchen appliance, concretely relates to a lock mechanism and kitchen appliance for kitchen appliance.

Background

In the existing kitchen appliances, such as steam boxes, ovens, dish washers and the like, the existing kitchen appliances mostly comprise a box body with a functional inner cavity and a door body which is arranged at an opening of the box body and can open or close the opening.

At present, the door body switch state of kitchen appliances in the market is mainly detected by a door control switch, and the door control switch is mostly in a mechanical structure, for example, an unlocking detection mechanism disclosed in an invention patent application with the application number of CN201811564305.X, namely a door lock, an oven and a door lock control method (with the application publication number of CN109505457A), comprises a microswitch and a cam capable of triggering the microswitch. Also, for example, the door opening and closing detection system disclosed in patent No. ZL201810264310.2, patent invention patent "door hook assembly, door opening and closing detection system, and household electrical appliance" (No. CN108413449B), includes a first detection member, a second detection member, and a door hook assembly, the first detection member is a primary switch, the second detection member includes a secondary switch, a monitor switch, and an interlock lever capable of simultaneously triggering the secondary switch and the monitor switch, and the door hook assembly includes a triggering member capable of triggering the first and second detection members.

The gate switch with the mechanical structure has the following defects: firstly, mechanical force exists to influence the sealing state of the door body; secondly, the mechanical switch has abrasion and abnormal sound, and the service life and the user experience performance of the mechanical switch are influenced after the mechanical switch is used for a long time; thirdly, a door control switch needs to be arranged on the basis of the door lock mechanism, and the structure is complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem to provide a need not to adopt mechanical structure can realize locking a door and detect a door body on-off state's a lock mechanism for kitchen appliance to the current situation of prior art.

The utility model aims to solve the second technical problem that a lock mechanism is provided that can lock the door when electrical apparatus is worked, and can realize easily opening the door when electrical apparatus does not work.

The third technical problem to be solved by the utility model is to provide a kitchen appliance with above-mentioned lock mechanism.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: the utility model provides a lock mechanism for kitchen appliance, its characterized in that is equipped with the magnetism spare including the magnetic induction spare and the magnetic conduction spare that set up on kitchen appliance's main part AND gate body alternatively, and the main part or the door body that the magnetic induction spare was located are equipped with the magnetism spare, and this magnetism spare is located the induction zone of magnetic induction spare under the state that the magnetic induction spare was located to this magnetic conduction spare door closure is in the induction zone of magnetic induction spare under the main part, and relative with the magnetism spare to produce magnetism under the magnetic field effect of magnetism spare, and with the actuation of magnetism spare, and then trigger foretell magnetic induction spare.

Because the magnetism spare is located the induction area of magnetic induction spare in this application, magnetism spare and the certain distance in magnetic induction spare interval promptly to guarantee that the magnetic circuit that the magnetism spare produced under the state of opening the door can not trigger the magnetic induction spare, but when the closed back of a body, for making the magnetic induction spare can effectively sense magnetic field, the condition that the magnetic induction spare can't sense magnetic field appears under the door closure in the avoidance of appearing, preferentially, the magnetic conduction spare is the strip, and this magnetic conduction spare closes under the state in the main part with magnetic induction spare, magnetism spare relatively at the door closure. Of course, the magnetic conduction member can also be in other shapes.

Further, the length of the magnetic conduction piece is larger than the distance between the magnetic induction piece and the magnetic piece. Of course, the distance may be equal to or slightly smaller than the distance between the magnetic induction element and the magnetic element.

Further, the magnetic induction piece is a normally open magnetic induction switch, and the magnetic induction switch is closed by sensing a magnetic field in a state that the door body covers the main body. When the door body is opened, the magnetic induction switch is always in an open state.

The magnetic part can be a permanent magnet, the corresponding magnetic conduction part is made of ferromagnetic materials such as cast iron, and therefore a certain force is needed when the door body is opened, and the door body is suitable for specific occasions, such as certain household appliances needing to prevent children from opening the door.

In order to further solve the second technical problem, preferably, the magnetic member is an electromagnet, so that when the electric appliance works, the electromagnet can be controlled to attract the door body, a user can open the door only with a large force, the door is prevented from being opened by mistake, and particularly, the safety performance is improved by preventing children; when the electric appliance stops working or does not work, a user can open the door with small force, and the user can conveniently take and place the articles in the electric appliance cavity.

Accordingly, the magnetic conducting member is preferably a paramagnetic material having magnetism in a magnetic field but losing its own magnetism after leaving the magnetic field, such as a metal member made of aluminum, magnesium, platinum, or the like.

The utility model provides a technical scheme that above-mentioned third technical problem adopted does: a kitchen appliance with door lock mechanism as above which characterized in that: including main part and door body, the main part has the cavity, is linked together with the cavity opening, the edge rotation of door body one side is connected in main part open-ended edge, the subassembly that magnetic induction spare and magnetism spare are constituteed sets up on main part and door body with the magnetic conduction spare alternative.

In order not to influence the opening and closing of the door body, the magnetic part and the magnetic induction part are arranged on the panel of the main body, which is opposite to the door body, and are positioned on the back surface of the panel, the magnetic conduction part is arranged inside the door body close to the side where the panel is located, and the opening is positioned on the panel. Certainly, the position between the magnetic part and the magnetic induction part and the assembly consisting of the magnetic part and the magnetic induction part can be exchanged, namely the magnetic part and the magnetic induction part are arranged on the door body, and the magnetic induction part is arranged on the main body. Locate the magnetic part in this application and magnetic induction spare in the main part firstly be convenient for magnetic induction spare and wire and controller be connected, secondly the main part is generally fixed on a position, and the door body needs to rotate, if locate the magnetic induction spare and have the factor of external magnetic field interference on the door body.

In order to enable the magnetic induction piece to be triggered only under the condition that the door body is completely closed, the assembly formed by the magnetic induction piece and the magnetic piece and the rotating connection position of the magnetic conduction piece far away from the door body and the main body are arranged.

Furthermore, the door body is rotatably connected with the main body through a hinge, a fixing sleeve for mounting the hinge is arranged in the door body, the fixing sleeve extends from one side of the door body to the other side of the door body, and the magnetic conduction piece is accommodated in the fixing sleeve and is close to the other side of the door body.

Finally, the kitchen appliance is preferably a steam box, an oven, a microwave oven, a disinfection cabinet, a washing machine or an integrated combination of at least two of these.

Compared with the prior art, the utility model has the advantages of: by arranging the magnetic induction piece, the magnetic piece and the magnetic conduction piece, an assembly consisting of the magnetic induction piece and the magnetic conduction piece are alternatively arranged on the main body and the door body of the kitchen appliance, so that when the door body is opened, a magnetic circuit generated by the magnetic piece is positioned outside an induction area of the magnetic induction piece, and the magnetic induction piece cannot induce a magnetic field; when the door body is closed, the magnetic circuit line generated by the magnetic part can reach the magnetic induction part accessory through the magnetic conduction part, and the magnetic induction part can be triggered after sensing a magnetic field, so that the detection of the opening and closing of the door body is realized. Meanwhile, due to the action of the mutual attraction force between the magnetic part and the magnetic conduction part, the door body is further attached to the main body, the door body is tightly sucked in one step, air leakage of the door body is avoided, and the sealing performance of the door body is improved. Just the utility model discloses simple structure, implementation of being convenient for.

Drawings

Fig. 1 is a schematic view of a part of a kitchen appliance in an embodiment of the present invention;

fig. 2 is a schematic view of a part of a kitchen appliance at another view angle according to an embodiment of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 without the securing sleeve;

fig. 4 is a sectional view of a kitchen appliance in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of the main body in the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 5, for the preferred embodiment of the present invention, the door lock mechanism for a kitchen appliance and the kitchen appliance are a steam box, an oven, a microwave oven, a disinfection cabinet, a cleaning machine or an integrated combination of at least two of them, and the kitchen appliance includes a main body 1, a door body 2 and a door lock mechanism 3.

As shown in fig. 5, the main body 1 has a chamber 10 and an opening 11 communicating with the chamber 10, in this embodiment, the opening 11 is disposed upward, and the periphery of the opening 11 extends outward along the horizontal direction to form a panel 12.

The door body 2 includes an outer glass plate 21 and an inner glass plate 22 which are vertically distributed and connected, an edge of a rear side of the door body 2 is rotatably connected to an edge of the opening 11 of the main body, in this embodiment, the door body 2 and the main body 1 are rotatably connected through two hinges (not shown in the figure, the hinge connection refers to the prior art), fixing sleeves 23 for mounting the hinges are respectively arranged on left and right sides of the inner glass plate 22, and the fixing sleeves 23 extend from the rear side of the door body 2 to the front side of the door body 2. The outer glass plate 21 is covered above the inner glass plate 22 and the fixing sleeve 23.

The door lock mechanism 3 is arranged far away from the rotary connection position of the door body 2 and the main body 1, the door lock mechanism 3 comprises a magnetic induction piece 31, a magnetic piece 32 and a magnetic conduction piece 33, wherein the magnetic induction piece 31 and the magnetic piece 32 are distributed on the back surface of the panel 12 opposite to the door body 2 in tandem, and a certain distance is left between the magnetic induction piece 31 and the magnetic piece 32 to enable the magnetic piece 32 to be positioned outside the induction area of the magnetic induction piece 31; the magnetic induction member 31 is connected with a controller to control the operation of the kitchen appliance (the controller is not shown in the figure, and the prior art design can be referred to); the magnetic conduction member 33 is strip-shaped, the length of the magnetic conduction member 33 is greater than the distance between the magnetic induction member 31 and the magnetic member 32, the magnetic conduction member 33 is accommodated in the fixed sleeve 23 at a position close to the other side of the door body 2, is positioned above the magnetic induction member 31 and the magnetic member 32 in a state that the door body 2 is covered on the main body 1, is opposite to the magnetic induction member 31 and the magnetic member 32, and the magnetic conduction member 33 is positioned in an induction area of the magnetic induction member 31 when the door body 2 is covered on the main body 1 so as to generate magnetism under the action of a magnetic field of the magnetic member 32 and attract the magnetic member 32 to trigger the magnetic induction member 31.

The magnetic member 32 may be a permanent magnet, an electromagnet (the electromagnet is connected to a controller to control the magnitude and on/off of the current), etc., and the magnetic conductive member 33 may be cast iron; when the magnetic member 32 is an electromagnet, the magnetic conductive member 33 may also be made of paramagnetic metal members such as aluminum, magnesium, platinum, etc.; the magnetic induction member 31 is a normally open magnetic induction switch that is closed by sensing a magnetic field in a state where the door body 2 is closed on the main body 1. In order to ensure that the magnetic induction element 31 can better sense the magnetic field, the fixing sleeve 23 and the panel 12 are made of weak magnetic materials.

The embodiments of the present invention take a kitchen appliance with an opening facing upward as an example, and therefore, terms indicating directions such as "front", "rear", "upper", "lower", "side", and the like are used in the description of the present invention to describe various example structural parts and elements of the present invention, but these terms are used herein only for the purpose of convenience of description and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.

Claims

1. The utility model provides a lock mechanism for kitchen appliance, its characterized in that is equipped with magnetism spare (32) including magnetic induction spare (31) and the magnetic conduction spare (33) that set up on kitchen appliance's main part (1) and the door body (2) alternatively, and main part (1) or the door body (2) that magnetic induction spare (31) place are equipped with magnetism spare (32), and this magnetism spare (32) are located the induction zone of magnetic induction spare (31), and this magnetic conduction spare (33) are in the state that door body (2) lid closed on main part (1) is located the induction zone of magnetic induction spare (31) down, and is relative with magnetism spare (32) to produce magnetism under the magnetic field effect of magnetism spare (32), and with magnetism spare (32) actuation, and then trigger foretell magnetic induction spare (31).

2. The door lock mechanism according to claim 1, wherein: the magnetic conduction piece (33) is strip-shaped, and the magnetic conduction piece (33) is opposite to the magnetic induction piece (31) and the magnetic piece (32) in the state that the door body (2) covers the main body (1).

3. The door lock mechanism according to claim 2, wherein: the length of the magnetic conduction piece (33) is larger than the distance between the magnetic induction piece (31) and the magnetic piece (32).

4. A door latch mechanism according to claim 1, 2 or 3, wherein: the magnetic induction piece (31) is a normally open magnetic induction switch, and the magnetic induction switch is closed by sensing a magnetic field in a state that the door body (2) covers the main body (1).

5. A door latch mechanism according to claim 1, 2 or 3, wherein: the magnetic part (32) is an electromagnet.

6. The door lock mechanism according to claim 5, wherein: the magnetic conduction piece (33) is a metal piece with paramagnetism.

7. A kitchen appliance having a door lock mechanism according to any one of claims 1 to 6, wherein: including main part (1) and door body (2), opening (11) that main part (1) has cavity (10), is linked together with cavity (10), the edge of door body (2) one side rotates and connects the edge at main part opening (11), the subassembly and the magnetizer (33) that magnetism induction member (31) and magnetism spare (32) are constituteed set up on main part (1) and door body (2) alternatively.

8. The kitchen appliance of claim 7, wherein: magnetic part (32) and magnetic induction spare (31) are located on main part (1) and panel (12) relative with the door body (2) to be located the back of panel (12), magnetic conduction spare (33) are close to panel (12) place side and are set up inside door body (2), and above-mentioned opening (11) are located on panel (12).

9. The kitchen appliance of claim 8, wherein: the assembly composed of the magnetic induction piece (31) and the magnetic piece (32) and the magnetic conduction piece (33) are arranged at the position far away from the rotating connection part of the door body (2) and the main body (1).

10. The kitchen appliance of claim 9, wherein: the door body (2) is rotatably connected with the main body (1) through a hinge, a fixing sleeve (23) used for installing the hinge is arranged in the door body (2), the fixing sleeve (23) extends to the other side of the door body (2) from one side of the door body (2), and the magnetic conduction piece (33) is accommodated in the fixing sleeve (23) and close to the other side of the door body (2).

11. The kitchen appliance of claim 7, wherein: the kitchen appliance is a steam box, an oven, a microwave oven, a disinfection cabinet, a cleaning machine or an integral combination of at least two of the steam box, the oven, the microwave oven, the disinfection cabinet and the cleaning machine.