Interlocking switch of microwave oven door

Abstract

The utility model discloses a microwave oven door interlocking switch, which particularly relates to the field of microwave ovens, and comprises an oven body, an oven cavity front panel is arranged on the surface of the oven body, a microswitch component is arranged on the oven cavity front panel in the oven body, an oven door is movably arranged on the side wall of the oven body, and the oven door is arranged on the side wall of the oven body. A firing pin part is arranged on the surface of the oven door and corresponds to the microswitch part, a driving shaft groove is formed in the microswitch part, and a lever pulley is movably arranged in the driving shaft groove. According to the utility model, the firing pin part arranged on the surface of the oven door is contacted with one end of the rotating shaft groove arranged in the microswitch part, so that the rotating shaft groove is pushed to slide inwards by about 3mm, at the moment, the lever pulley arranged at one end of the microswitch body is extruded out of the driving shaft groove, and the microswitch body rotates, so that the microswitch is driven to rotate. The microswitch body is connected with the microwave device, and the microwave device in the oven body is powered on to work.

Description

Technical Field

[0001] The utility model relates to the field of microwave ovens, and more specifically, to an interlock switch for a microwave oven door. Background Art

[0002] Microwave ovens and microwave ovens are common household and commercial cooking appliances. According to national and international standards, the amount of microwave leakage from such appliances needs to be strictly controlled. It is required that the microwave can only be started when the door is closed, and the microwave needs to be stopped as soon as the door is opened, so as to prevent microwave leakage from causing harm to the human body;

[0003] At present, microwave ovens or microwave ovens on the market are equipped with door interlock switches. The design of these door interlock switches is mostly based on the structure of door hinges. The accuracy and consistency of door hinges directly affect the operating accuracy of door interlock switches, which makes it difficult to develop door interlock switches. In addition, door interlock switches installed based on door hinges are not sensitive enough. The structures of door interlock switches commonly used in the market are usually very complicated and difficult to promote.

[0004] Therefore, in view of the above problems, a microwave oven door interlock switch is proposed. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a microwave oven door interlock switch to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a microwave oven door interlock switch, comprising an oven body, characterized in that an oven cavity front panel is arranged on the surface of the oven body, a micro switch component is arranged on the oven cavity front panel inside the oven body, an oven door is movably arranged on the side wall of the oven body, and a striker component is arranged on the surface of the oven door, the striker component corresponds to the micro switch component, a drive shaft groove is arranged in the micro switch component, and a lever pulley is movably arranged inside the drive shaft groove, the micro switch body is at one end of the lever pulley away from the drive shaft groove, and the micro switch body can be electrically connected to the microwave device.

[0007] Preferably, the striker component includes a striker seat arranged on the surface of the oven door, a striker body is arranged on the surface of the striker seat, a pad is arranged on the surface of the front panel of the oven cavity, a through hole is opened on the surface of the pad, and the striker passes through the through hole to connect with the micro switch component.

[0008] Preferably, the micro switch component includes a base arranged on the surface of the backing plate, a drive shaft body is movably arranged inside the base, and one side of the drive shaft body is connected to the drive shaft groove.

[0009] Preferably, a large guide hole and a small guide hole are respectively opened on both sides of the base, an elastic retaining ring is arranged on the drive shaft body passing through the small guide hole, a spring groove is arranged on the surface of the drive shaft body, and a spring body is arranged inside the spring groove.

[0010] Preferably, the cross-section of the driving shaft groove is in a "dumbbell" shape, and the driving shaft groove fits the lever pulley.

[0011] Preferably, an insulating gasket is provided on one side of the base, and the insulating gasket is provided between the base and the micro switch body.

[0012] Technical effects and advantages of the utility model:

[0013] Compared with the prior art, when the utility model is in use, when the oven body and the oven door are in a closed state, the oven door and the oven cavity front panel are fitted together, and then the striker component arranged on the surface of the oven door is contacted with one end of the rotating shaft groove arranged in the micro switch component, thereby pushing the rotating shaft groove to slide inward by about 3 mm. At this time, the lever pulley arranged at one end of the micro switch body is squeezed out into the driving shaft groove, causing the micro switch body to rotate, thereby connecting the micro switch body to the microwave device, and the microwave device inside the oven body is powered on and works. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a structural schematic diagram of the micro switch component and the striker component of the utility model.

[0016] Figure 3 It is a schematic diagram of the structure inside the base of the utility model.

[0017] The accompanying drawings are marked as follows: 1. oven body; 2. oven cavity front panel; 3. micro switch component; 31. base; 32. spring body; 33. elastic retaining ring; 34. drive shaft body; 4. striker component; 41. striker seat; 42. striker body; 43. pad; 5. oven door; 6. insulating gasket; 7. micro switch body; 8. drive shaft groove; 9. spring groove; 10. large guide hole; 11. small guide hole. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Embodiment 1

[0020] As attached Figure 1 and Figure 2 A microwave oven door interlock switch shown includes an oven body 1, an oven cavity front panel 2 is arranged on the surface of the oven body 1, a micro switch component 3 is arranged inside the oven body 1, an oven door 5 is movably arranged on the side wall of the oven body 1, and a striker component 4 is arranged on the surface of the oven door 5, the striker component 4 corresponds to the micro switch component 3, a drive shaft groove 8 is arranged in the micro switch component 3, and a lever pulley is movably arranged inside the drive shaft groove 8, a micro switch body 7 is located at one end of the lever pulley away from the drive shaft groove 8, and the micro switch body 7 can be electrically connected to the microwave device.

[0021] Among them: when the oven body 1 and the oven door 5 are in a closed state, the oven door 5 and the oven cavity front panel 2 are fitted together, and then the striker component 4 arranged on the surface of the oven door 5 is used to contact one end of the rotating shaft groove arranged in the micro switch component 3, thereby pushing the rotating shaft groove to slide inward by about 3 mm. At this time, the lever pulley arranged at one end of the micro switch body 7 is squeezed into the driving shaft groove 8, so that the micro switch body 7 rotates, thereby connecting the micro switch body 7 to the microwave device, and the microwave device inside the oven body 1 is powered on and works.

[0022] Embodiment 2

[0023] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working method, as described below:

[0024] like Figure 2 As shown, as a preferred embodiment; the striker component 4 includes a striker seat 41 arranged on the surface of the oven door 5, and a striker body 42 is arranged on the surface of the striker seat 41, and a pad 43 is arranged on the surface of the oven cavity front panel 2, and a through hole is opened on the surface of the pad 43, and the striker passes through the through hole to connect with the micro switch component 3, and further, the pad 43 is interposed between the base 31 and the oven cavity front panel 2, so as to play a role in heat insulation, and then through the through hole arranged on the surface of the pad 43, the striker body 42 can pass through the pad 43 to push the rotating shaft groove to move.

[0025] like Figure 2As shown, as a preferred embodiment; the micro switch component 3 includes a base 31 arranged on the surface of the pad 43, and a drive shaft body 34 is movably arranged inside the base 31. One side of the drive shaft body 34 is connected to the drive shaft groove 8. Furthermore, the drive shaft groove 8 is pushed to move by the striker body 42, thereby pushing the rotating shaft body to the outside of the base 31, thereby compressing the spring body 32 arranged on the surface of the rotating shaft body.

[0026] like Figure 3 As shown, as a preferred embodiment; a large guide hole 10 and a small guide hole 11 are respectively opened on both sides of the base 31, and the drive shaft body 34 is provided with an elastic retaining ring 33 passing through the small guide hole 11, and a spring groove 9 is provided on the surface of the drive shaft body 34, and a spring body 32 is provided inside the spring groove 9. Furthermore, the elastic retaining ring 33 prevents the drive shaft body 34 from detaching from the base 31, and after the oven door 5 is opened, the rebound force of the spring body 32 is used to rebound the rotating shaft groove, thereby driving the micro switch body 7 to separate from the microwave device, so that the microwave inside the oven body 1 can be turned off.

[0027] like Figure 2 As shown, as a preferred embodiment; the cross-section of the drive shaft groove 8 is in a "dumbbell" shape, and the drive shaft groove 8 fits the lever pulley. Furthermore, since the drive shaft groove 8 and the lever pulley are connected to each other, when the drive shaft groove 8 moves, it can push the lever pulley to flip.

[0028] like Figure 3 As shown, as a preferred embodiment; an insulating gasket 6 is provided on one side of the base 31, and the insulating gasket 6 is provided between the base 31 and the micro switch body 7. Furthermore, the insulating gasket 6 is provided between the base 31 and the micro switch body 7 for insulation to prevent the wiring terminals of the micro switch body 7 from touching the metal.

[0029] The working process of the utility model is as follows:

[0030] When the utility model is used, when the oven body 1 and the oven door 5 are in a closed state, the oven door 5 and the oven cavity front panel 2 are fitted together, and then the striker component 4 arranged on the surface of the oven door 5 is used to contact one end of the rotating shaft groove arranged in the micro switch component 3, thereby pushing the rotating shaft groove to slide inward by about 3 mm. At this time, the lever pulley arranged at one end of the micro switch body 7 is squeezed into the driving shaft groove 8, so that the micro switch body 7 rotates, thereby connecting the micro switch body 7 to the microwave device, and the microwave device inside the oven body 1 is powered on. After the oven door 5 is opened, the rebound force of the spring body 32 is used to rebound the rotating shaft groove, thereby driving the micro switch body 7 to separate from the microwave device, so that the microwave inside the oven body 1 can be turned off.

[0031] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0032] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0033] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A microwave oven door interlock switch, comprising an oven body (1), characterized in that: The oven body (1) is provided with an oven cavity front panel (2) on its surface, and a micro switch component (3) is provided on the oven cavity front panel (2) inside the oven body (1). An oven door (5) is movably provided on the side wall of the oven body (1), and a striker component (4) is provided on the surface of the oven door (5), and the striker component (4) corresponds to the micro switch component (3). A drive shaft groove (8) is provided inside the micro switch component (3), and a lever pulley is movably provided inside the drive shaft groove (8), and a micro switch body (7) is provided at one end of the lever pulley away from the drive shaft groove (8), and the micro switch body (7) can be electrically connected to the microwave device.

2. A microwave oven door interlock switch according to claim 1, characterized in that: The striker component (4) comprises a striker seat (41) arranged on the surface of the oven door (5), a striker body (42) being arranged on the surface of the striker seat (41), a backing plate (43) being arranged on the surface of the oven cavity front panel (2), a through hole being opened on the surface of the backing plate (43), and the striker passes through the through hole to connect with the micro switch component (3).

3. A microwave oven door interlock switch according to claim 1, characterized in that: The micro switch component (3) comprises a base (31) arranged on the surface of the backing plate (43), a drive shaft body (34) is movably arranged inside the base (31), and one side of the drive shaft body (34) is connected to the drive shaft groove (8).

4. A microwave oven door interlock switch according to claim 3, characterized in that: A large guide hole (10) and a small guide hole (11) are respectively provided on both sides of the base (31); the drive shaft body (34) passes through the small guide hole (11) and is provided with an elastic retaining ring (33); a spring groove (9) is provided on the surface of the drive shaft body (34), and a spring body (32) is provided inside the spring groove (9).

5. The microwave oven door interlock switch according to claim 1, characterized in that: The cross section of the driving shaft groove (8) is in a "dumbbell" shape, and the driving shaft groove (8) fits the lever pulley.

6. A microwave oven door interlock switch according to claim 3, characterized in that: An insulating gasket (6) is provided on one side of the base (31), and the insulating gasket (6) is provided between the base (31) and the micro switch body (7).

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