CN220135532U - Interlocking switch device for microwave oven - Google Patents
Interlocking switch device for microwave oven Download PDFInfo
- Publication number
- CN220135532U CN220135532U CN202321563130.7U CN202321563130U CN220135532U CN 220135532 U CN220135532 U CN 220135532U CN 202321563130 U CN202321563130 U CN 202321563130U CN 220135532 U CN220135532 U CN 220135532U
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- micro switch
- interlocking
- lever
- contact
- door hook
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- 238000001125 extrusion Methods 0.000 claims abstract description 39
- 230000007704 transition Effects 0.000 claims description 14
- 238000002788 crimping Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of microwave ovens, and particularly relates to an interlocking switch device of a microwave oven, which comprises a door hook bracket, a first door hook, a second door hook, an interlocking bracket, a first micro switch assembly, a second micro switch assembly and a third micro switch assembly, wherein the first door hook and the second door hook are arranged on the door hook bracket, and the first micro switch assembly, the second micro switch assembly and the third micro switch assembly are sequentially arranged and connected on the interlocking bracket. The utility model provides an interlocking switch device of a microwave oven, wherein a first extrusion surface of a first door hook is in pressure contact with a first interlocking lever plane, an upper extrusion surface of the first door hook is in pressure contact with a second interlocking lever inclined plane, a lower extrusion surface of the first door hook is in pressure contact with a third interlocking lever inclined plane, a contact surface and a stress surface of the door hook and the interlocking lever are larger, the pressure contact is stable, the micro switch is ensured to be closed after the door is closed, and the normal use of the microwave oven is ensured.
Description
Technical Field
The utility model belongs to the technical field of microwave ovens, and particularly relates to an interlocking switch device of a microwave oven.
Background
The prior art has publication number CN201520521589.9, and is named as an interlocking switch device of a microwave oven and a Chinese patent utility model of the microwave oven, and contacts on the second micro switch and the third micro switch can synchronously move along with the second door hook respectively through the second door hook, so that the second micro switch and the third micro switch are closed, the contact surface of the second door hook and the interlocking lever is arc-shaped, the stress surface is small, the contacts are easy to deviate during crimping contact, the crimping contact is unstable, and the condition that the second micro switch and the third micro switch cannot be closed after the door is closed possibly occurs, so that the normal use of the microwave oven is influenced.
Disclosure of Invention
The utility model aims to provide an interlocking switch device of a microwave oven, which aims to solve the technical problems that in the prior art, a contact surface of a door hook and a switch contact is arc-shaped, a stress surface is small, the contact is easy to deviate during crimping contact, the crimping contact is unstable, and a micro switch can not be closed after a door is closed, so that the normal use of the microwave oven is influenced.
In order to achieve the above objective, an embodiment of the present utility model provides an interlocking switch device for a microwave oven, which includes a hook bracket, a first hook, a second hook, an interlocking bracket, a first micro-switch assembly, a second micro-switch assembly and a third micro-switch assembly, wherein the first hook and the second hook are all disposed on the hook bracket, and the first micro-switch assembly, the second micro-switch assembly and the third micro-switch assembly are sequentially disposed and connected on the interlocking bracket;
the first micro switch assembly comprises a first micro switch, a first micro switch contact and a first interlocking lever, the first micro switch is arranged on the interlocking support, the first micro switch contact is movably arranged on the first micro switch, the first interlocking lever is rotatably arranged on the interlocking support, the first interlocking lever is arranged on one side of the first micro switch and can be in pressure contact with the first micro switch contact, the position of the first door hook corresponds to the first interlocking lever and can squeeze the first interlocking lever, the first interlocking lever is in pressure contact with the first micro switch contact after being squeezed, and the first micro switch contact moves towards the first micro switch;
the second micro switch assembly comprises a second micro switch, a second micro switch contact and a second interlocking lever, the second micro switch is arranged on one side of the first micro switch and is connected with the interlocking bracket, the second micro switch contact is movably arranged on the second micro switch, and the second interlocking lever is rotatably arranged on the interlocking bracket;
the third micro switch assembly comprises a third micro switch, a third micro switch contact and a third interlocking lever, the third micro switch is arranged on one side of the second micro switch and is connected with the interlocking bracket, the third micro switch contact is movably arranged on one side, close to the second micro switch, of the third micro switch, and the third interlocking lever is rotatably arranged on the interlocking bracket;
the first door hook is provided with a first arc-shaped transition surface and a first extrusion surface, the first arc-shaped transition surface and the first extrusion surface are sequentially arranged, and the first extrusion surface is in press contact with the first interlocking lever plane;
the second door hook is provided with an upper extrusion surface, a second arc-shaped transition surface and a lower extrusion surface, the upper extrusion inclined surface, the second arc-shaped transition surface and the lower extrusion inclined surface are sequentially arranged, the upper extrusion surface is in pressure contact with the second interlocking lever inclined surface, and the lower extrusion surface is in pressure contact with the third interlocking lever inclined surface.
As an alternative scheme of the utility model, the second interlocking lever is arranged at one side of the second micro switch and can be in pressure contact with the second micro switch contact, the position of the second door hook corresponds to the second interlocking lever and can squeeze the second interlocking lever, the second interlocking lever is pressed and then is in pressure contact with the second micro switch contact, and the second micro switch contact moves towards the second micro switch.
As an alternative scheme of the utility model, the third interlocking lever is arranged at one side of the third micro switch and can be in pressure contact with the third micro switch contact, the third interlocking lever is close to the second interlocking lever, the positions of the second door hooks respectively correspond to the second interlocking lever and the third interlocking lever, the second interlocking lever and the third interlocking lever are extruded at the same time, the third interlocking lever is in pressure contact with the third micro switch contact after being extruded, and the third micro switch contact moves towards the third micro switch; the second interlock lever has a travel less than the first and third interlock levers.
As an alternative scheme of the utility model, the first interlocking lever is provided with a first rotating shaft, the first rotating shaft is fixedly connected to the interlocking bracket, and the first interlocking lever is rotatably arranged on the first rotating shaft.
As an alternative scheme of the utility model, the second interlocking lever comprises a first touch part and a second touch part, the first touch part is arranged at one side of the second interlocking lever close to the second door hook, and the second touch part is arranged at one side of the second interlocking lever close to the second micro switch contact.
As an alternative scheme of the utility model, the second interlocking lever is provided with a second rotating shaft, the second rotating shaft is fixedly connected to the interlocking bracket, and the second interlocking lever is rotatably arranged on the second rotating shaft.
As an alternative scheme of the utility model, the second interlocking lever is L-shaped, and an angle formed by the first touch part and the second touch part is 100-120 degrees.
As an alternative scheme of the utility model, a third rotating shaft is arranged on the third interlocking lever, the third rotating shaft is fixedly connected to the interlocking bracket, and the third interlocking lever is rotatably arranged on the third rotating shaft.
The technical scheme of the interlocking switch device of the microwave oven provided by the embodiment of the utility model has at least one of the following technical effects:
the utility model provides an interlocking switch device of a microwave oven, wherein a first extrusion surface of a first door hook is in press contact with a plane of a first interlocking lever, an upper extrusion surface of the first door hook is in press contact with a bevel of a second interlocking lever, a lower extrusion surface of the first door hook is in press contact with a bevel of a third interlocking lever, a contact surface and a stress surface of the door hook and the interlocking lever are larger, press contact is stable, and a micro switch is ensured to be closed after the door is closed, so that the normal use of the microwave oven is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a micro-switch of an interlocking switch device of a microwave oven in the prior art.
Fig. 2 is a schematic structural diagram of a door hook and micro switch separated state of an interlocking switch device of a microwave oven according to an embodiment of the present utility model.
Fig. 3 is a schematic structural diagram of a door hook of an interlocking switch device of a microwave oven in a contact state with a micro switch according to an embodiment of the present utility model.
Fig. 4 is a schematic structural diagram of a door hook and a micro switch of an interlocking switch device of a microwave oven in a completely press-contact state according to an embodiment of the present utility model.
Fig. 5 is a schematic structural view of a second interlock lever of an interlock switch apparatus for a microwave oven according to an embodiment of the present utility model.
Wherein, each reference sign in the figure:
1. a door hook bracket; 2. a first door hook; 3. a second door hook; 4. an interlocking bracket; 5. a first microswitch assembly; 6. a second microswitch assembly; 7. a third microswitch assembly;
21. a first arcuate transition surface; 22. a first pressing surface;
31. an upper pressing surface; 32. a second arcuate transition surface; 33. a lower pressing surface;
51. a first microswitch; 52. a first microswitch contact; 53. a first interlock lever; 54. a first rotating shaft;
61. a second microswitch; 62. a second microswitch contact; 63. a second interlock lever; 64. a first touch part; 65. a second touch part; 66. a second rotating shaft;
71. a third microswitch; 72. a third microswitch contact; 73. a third interlock lever; 74. and a third rotating shaft.
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 exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.
In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify 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.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.
In one embodiment of the present utility model, as shown in fig. 2 to 5, there is provided an interlocking switch device for a microwave oven, which comprises a hook bracket 1, a first hook 2, a second hook 3, an interlocking bracket 4, a first micro-switch assembly 5, a second micro-switch assembly 6 and a third micro-switch assembly 7, wherein the first hook 2 and the second hook 3 are fixedly arranged on the hook bracket 1, and the first micro-switch assembly 5, the second micro-switch assembly 6 and the third micro-switch assembly 7 are sequentially arranged and connected on the interlocking bracket 4.
The first micro-switch assembly 5 comprises a first micro-switch 51, a first micro-switch contact 52 and a first interlocking lever 53, wherein the first micro-switch 51 is arranged on the interlocking bracket 4, the first micro-switch contact 52 is movably arranged on the first micro-switch 51, the first interlocking lever 53 is rotatably arranged on the interlocking bracket 4, the first interlocking lever 53 is arranged on one side of the first micro-switch 51 and can be in pressure contact with the first micro-switch contact 52, the position of the first door hook 2 corresponds to the first interlocking lever 53 and can be in pressure contact with the first interlocking lever 53, the first interlocking lever 53 is in pressure contact with the first micro-switch contact 52 after being pressed, and the first micro-switch contact 52 moves towards the first micro-switch 51 so that the first micro-switch 51 is closed. Further, a first rotating shaft 54 is provided on the first interlocking lever 53, the first rotating shaft 54 is fixedly connected to the interlocking bracket 4, and the first interlocking lever 53 is rotatably provided on the first rotating shaft 54.
The second micro-switch assembly 6 comprises a second micro-switch 61, a second micro-switch contact 62 and a second interlocking lever 63, wherein the second micro-switch 61 is arranged on one side of the first micro-switch 51 and is connected with the interlocking bracket 4, the second micro-switch contact 62 is movably arranged on the second micro-switch 61, and the second interlocking lever 63 is rotatably arranged on the interlocking bracket 4.
The third micro-switch assembly 7 comprises a third micro-switch 71, a third micro-switch contact 72 and a third interlocking lever 73, wherein the third micro-switch 71 is arranged on one side of the second micro-switch 61 and is connected with the interlocking bracket 4, the third micro-switch contact 72 is movably arranged on one side of the third micro-switch 71 close to the second micro-switch 61, and the third interlocking lever 73 is rotatably arranged on the interlocking bracket 4.
The first door hook 2 is provided with a first arc-shaped transition surface 21 and a first extrusion surface 22, the first arc-shaped transition surface 21 and the first extrusion surface 22 are sequentially arranged, and the first extrusion surface is in plane crimping contact with the first interlocking lever 53 so as to enlarge the contact surface and the stress surface, and the crimping contact is more stable.
The second door hook 3 is provided with an upper extrusion surface 31, a second arc-shaped transition surface 32 and a lower extrusion surface 33, the upper extrusion inclined surface, the second arc-shaped transition surface 32 and the lower extrusion inclined surface are sequentially arranged, the upper extrusion surface 31 is in pressure contact with the inclined surface of the second interlocking lever 63, the lower extrusion surface 33 is in pressure contact with the inclined surface of the third interlocking lever 73, so that the contact and stress surfaces are increased, and the pressure contact is more stable.
The utility model provides an interlocking switch device of a microwave oven, wherein a first extrusion surface of a first door hook 2 is in plane pressure contact with a first interlocking lever 53, an upper extrusion surface 31 is in inclined pressure contact with a second interlocking lever 63, a lower extrusion surface 33 is in inclined pressure contact with a third interlocking lever 73, the contact surface and a stress surface of the door hook and the interlocking lever are larger, the pressure contact is stable, the micro switch is ensured to be closed after the door is closed, and the normal use of the microwave oven is ensured.
In another embodiment of the present utility model, the second interlock lever 63 of the interlock switch device for the microwave oven is disposed at one side of the second micro switch 61 and can be in press-contact with the second micro switch contact 62, the second door hook 3 is positioned corresponding to the second interlock lever 63 and can be in press-contact with the second interlock lever 63, the second interlock lever 63 is pressed and then is in press-contact with the second micro switch contact 62, the second micro switch contact 62 moves toward the second micro switch 61, and the second micro switch 61 is closed.
In another embodiment of the present utility model, a third interlock lever 73 of the interlock switch device for the microwave oven is disposed at one side of the third micro switch 71 and can be in pressure contact with the third micro switch contact 72, the third interlock lever 73 is disposed close to the second interlock lever 63, the second door hook 3 is respectively located corresponding to the second interlock lever 63 and the third interlock lever 73 and simultaneously is in pressure contact with the second interlock lever 63 and the third interlock lever 73, the third interlock lever 73 is in pressure contact with the third micro switch contact 72 after being pressed, the third micro switch contact 72 moves towards the third micro switch 71, and the third micro switch 71 is closed; further, a third rotating shaft 74 is provided on the third interlocking lever 73, the third rotating shaft 74 is fixedly connected to the interlocking bracket 4, and the third interlocking lever 73 is rotatably provided on the third rotating shaft 74. When the microwave oven is closed, the door hook bracket 1 drives the first door hook 2 and the second door hook 3 to move towards the interlocking bracket 4, and as the travel of the second interlocking lever 63 is smaller than that of the first interlocking lever 53 and the third interlocking lever 73, the second micro switch contact 62 moves towards the second micro switch 61 first, the second micro switch 61 is closed, then the first micro switch contact 52 moves towards the first micro switch 51, the third micro switch contact 72 moves towards the third micro switch 71, and the first micro switch 51 and the third micro switch 71 are closed simultaneously.
In another embodiment of the present utility model, the second interlock lever 63 of the interlock switch apparatus for a microwave oven includes a first trigger portion 64 and a second trigger portion 65, the first trigger portion 64 is disposed at a side of the second interlock lever 63 adjacent to the second door hook 3, and the second trigger portion 65 is disposed at a side of the second interlock lever 63 adjacent to the second micro switch contact 62. Further, a second rotating shaft 66 is provided on the second interlocking lever 63, the second rotating shaft 66 is fixedly connected to the interlocking bracket 4, and the second interlocking lever 63 is rotatably provided on the second rotating shaft 66. The second interlocking lever 63 is L-shaped, and the first contact portion 64 and the second contact portion 65 form an angle of 100 to 120 °. When the second door hook 3 moves towards the interlocking bracket 4, the second door hook is firstly contacted with the first touching part 64, the second interlocking lever 63 moves along the second rotating shaft 66, the second touching part 65 is driven to be contacted with the second micro switch contact 62, and the second micro switch 61 is closed. At the same time, the second door hook 3 is in press-contact with the third interlock lever 73, the third interlock lever 73 rotates along the third rotation shaft 74 and is in contact with the third micro switch contact 72, and the third micro switch 71 is closed.
The utility model provides an interlocking switch device of a microwave oven, wherein a first extrusion surface of a first door hook 2 is in plane pressure contact with a first interlocking lever 53, an upper extrusion surface 31 is in inclined pressure contact with a second interlocking lever 63, a lower extrusion surface 33 is in inclined pressure contact with a third interlocking lever 73, the contact surface and a stress surface of the door hook and the interlocking lever are larger, the pressure contact is stable, the micro switch is ensured to be closed after the door is closed, and the normal use of the microwave oven is ensured.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. The interlocking switch device for the microwave oven is characterized by comprising a door hook bracket, a first door hook, a second door hook, an interlocking bracket, a first micro switch assembly, a second micro switch assembly and a third micro switch assembly, wherein the first door hook and the second door hook are arranged on the door hook bracket, and the first micro switch assembly, the second micro switch assembly and the third micro switch assembly are sequentially arranged and connected on the interlocking bracket;
the first micro switch assembly comprises a first micro switch, a first micro switch contact and a first interlocking lever, the first micro switch is arranged on the interlocking support, the first micro switch contact is movably arranged on the first micro switch, the first interlocking lever is rotatably arranged on the interlocking support, the first interlocking lever is arranged on one side of the first micro switch and can be in pressure contact with the first micro switch contact, the position of the first door hook corresponds to the first interlocking lever and can squeeze the first interlocking lever, the first interlocking lever is in pressure contact with the first micro switch contact after being squeezed, and the first micro switch contact moves towards the first micro switch;
the second micro switch assembly comprises a second micro switch, a second micro switch contact and a second interlocking lever, the second micro switch is arranged on one side of the first micro switch and is connected with the interlocking bracket, the second micro switch contact is movably arranged on the second micro switch, and the second interlocking lever is rotatably arranged on the interlocking bracket;
the third micro switch assembly comprises a third micro switch, a third micro switch contact and a third interlocking lever, the third micro switch is arranged on one side of the second micro switch and is connected with the interlocking bracket, the third micro switch contact is movably arranged on one side, close to the second micro switch, of the third micro switch, and the third interlocking lever is rotatably arranged on the interlocking bracket;
the first door hook is provided with a first arc-shaped transition surface and a first extrusion surface, the first arc-shaped transition surface and the first extrusion surface are sequentially arranged, and the first extrusion surface is in press contact with the first interlocking lever plane;
the second door hook is provided with an upper extrusion surface, a second arc-shaped transition surface and a lower extrusion surface, the upper extrusion inclined surface, the second arc-shaped transition surface and the lower extrusion inclined surface are sequentially arranged, the upper extrusion surface is in pressure contact with the second interlocking lever inclined surface, and the lower extrusion surface is in pressure contact with the third interlocking lever inclined surface.
2. The interlock switch apparatus of claim 1, wherein the second interlock lever is disposed at one side of the second micro switch and is press-contacted with the second micro switch contact, the second door hook is positioned to correspond to the second interlock lever and is pressed against the second interlock lever, the second interlock lever is pressed and is press-contacted with the second micro switch contact, and the second micro switch contact moves toward the second micro switch.
3. The interlocking switch device of a microwave oven according to claim 1, wherein the third interlocking lever is disposed at one side of the third micro switch and can be in press contact with the third micro switch contact, the third interlocking lever is disposed close to the second interlocking lever, the second door hook is respectively corresponding to the second interlocking lever and the third interlocking lever, and presses the second interlocking lever and the third interlocking lever at the same time, the third interlocking lever is pressed and then is in press contact with the third micro switch contact, and the third micro switch contact moves toward the third micro switch; the second interlock lever has a travel less than the first and third interlock levers.
4. The interlocking switch device of claim 1, wherein the first interlocking lever is provided with a first rotating shaft, the first rotating shaft is fixedly connected to the interlocking bracket, and the first interlocking lever is rotatably arranged on the first rotating shaft.
5. The apparatus of claim 1, wherein the second interlock lever comprises a first touch portion and a second touch portion, the first touch portion being disposed on a side of the second interlock lever adjacent to the second door hook, the second touch portion being disposed on a side of the second interlock lever adjacent to the second micro switch contact.
6. The interlock switch apparatus of claim 1, wherein a second rotating shaft is provided on the second interlock lever, the second rotating shaft is fixedly connected to the interlock bracket, and the second interlock lever is rotatably provided on the second rotating shaft.
7. The apparatus of claim 5, wherein the second interlock lever is L-shaped, and the first contact portion and the second contact portion form an angle of 100-120 °.
8. The apparatus of claim 1, wherein the third interlock lever is provided with a third rotating shaft, the third rotating shaft is fixedly connected to the interlock bracket, and the third interlock lever is rotatably disposed on the third rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321563130.7U CN220135532U (en) | 2023-06-17 | 2023-06-17 | Interlocking switch device for microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321563130.7U CN220135532U (en) | 2023-06-17 | 2023-06-17 | Interlocking switch device for microwave oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220135532U true CN220135532U (en) | 2023-12-05 |
Family
ID=88951028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321563130.7U Active CN220135532U (en) | 2023-06-17 | 2023-06-17 | Interlocking switch device for microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220135532U (en) |
-
2023
- 2023-06-17 CN CN202321563130.7U patent/CN220135532U/en active Active
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