CN114068208A - Cooking utensil's gate switch structure - Google Patents
Cooking utensil's gate switch structure Download PDFInfo
- Publication number
- CN114068208A CN114068208A CN202111584541.XA CN202111584541A CN114068208A CN 114068208 A CN114068208 A CN 114068208A CN 202111584541 A CN202111584541 A CN 202111584541A CN 114068208 A CN114068208 A CN 114068208A
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- Prior art keywords
- rod
- hole
- pushing
- push rod
- door
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
- H01H3/161—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift for actuation by moving a closing member, e.g. door, cover or lid
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Push-Button Switches (AREA)
Abstract
The invention relates to a door control switch structure of a cooking appliance, which comprises a transmission device and a microswitch, wherein the transmission device is used for controlling the microswitch to power off or power on the cooking appliance, the first end of the transmission device is connected with a door of the cooking appliance, the second end of the transmission device is connected with the microswitch in a transmission manner, the door control switch structure also comprises a deflector rod, the deflector rod is provided with a first rod part, a rotating part and a second rod part which are sequentially connected, the first rod part is longer than the second rod part, the cooking appliance is provided with a rotating rod and a first limiting part, the rotating part is sleeved on the rotating rod to enable the deflector rod to rotate circumferentially around a central shaft of the rotating rod, the first limiting part is arranged near the second rod part and can be abutted against the second rod part, and the first rod part is closer to the microswitch than the second rod part and is further away from the second end of the transmission device. The invention can effectively increase the pressing stroke of the pressing nail, ensure the sensitivity of pressing and ensure the smooth switching between door closing power-on and door opening power-off.
Description
Technical Field
The present invention relates to the field of cooking appliances. In particular to a door control switch structure of a cooking utensil.
Background
In order to meet the diversified demands of consumers, cooking appliances which are powered off when the door is closed appear in the market at present, and the door-closing power-off function of the cooking appliances is mainly realized by adopting a door control switch structure in the following mode: firstly, a mechanical switch is arranged on a door plate of the cooking appliance, but the appearance of the product is influenced; secondly, a Hall electromagnetic switch is adopted, but the Hall electromagnetic switch has high cost, poor stability and short service life; at present, the other mode which is used more is linkage of structures such as a door hinge, a pressing nail and a microswitch, but the linkage structure is not sensitive easily due to repeated door closing and door opening, for example, the stroke of the pressing nail is short in the hinge closing process, and the microswitch cannot be pressed easily due to long-time use, so that the existing door control switch structure has the need of improvement.
Disclosure of Invention
The invention provides a door control switch structure of a cooking appliance, which is simple and durable in structure and can be used for closing a door, powering on, opening the door and powering off.
In order to achieve the purpose, the invention adopts the following technical scheme:
a door control switch structure of a cooking appliance comprises a transmission device and a microswitch, wherein the transmission device is used for controlling the microswitch to cut off or electrify the cooking appliance, a first end of the transmission device is connected with a door of the cooking appliance, a second end of the transmission device is connected with the microswitch in a transmission way, the door control switch structure is characterized by further comprising a shifting rod, a first rod part, a rotating part and a second rod part which are sequentially connected are arranged on the shifting rod, the first rod part and the second rod part are long and short, the first rod part is longer than the second rod part, a rotating rod and a first limiting part are fixedly arranged on the cooking appliance, the rotating part is sleeved on the rotating rod to enable the shifting rod to rotate around the central shaft of the rotating rod in the circumferential direction, the first limiting part is arranged near the second rod part and can be abutted against the second rod part, the first lever portion is closer to the microswitch than the second lever portion and further from the second end of the transmission.
The invention can be improved as follows:
the transmission device comprises a hinge shell, a hinge strip, a linkage support, a pressing nail and a push rod are arranged on the hinge shell, a first end of the hinge strip is fixedly connected with a door of the cooking utensil, a second end of the hinge strip is hinged with the hinge shell, and the hinge strip, the linkage support, the pressing nail, the push rod, the shifting lever and the microswitch are sequentially in transmission connection.
The hinge shell is provided with a cavity, the bottom surface of the hinge shell is provided with an opening, the linkage support is arranged in the cavity, the hinge shell is provided with a first through hole, a first separating piece with a first pushing through hole and a second separating piece with a second pushing through hole, the centers of the first pushing through hole and the second pushing through hole are positioned on the same horizontal shaft, and a pushing cavity is formed between the first pushing through hole and the second pushing through hole; the first part of the push rod sequentially penetrates through the first pushing through hole and the second pushing through hole to be located in the pushing cavity, the first part of the push rod is close to the first limiting piece, the first part of the push rod is abutted against the second rod part, the second part of the push rod is located outside the pushing cavity and is abutted against the press nail, the press nail is arranged in the first through hole and can move in the through hole, the second part is provided with a limiting part and a spring, and two ends of the spring are respectively abutted against the limiting part and the second separating piece; the first end of the linkage support is fixedly connected with the end part of the second end of the hinge strip, and the second end of the linkage support is fixedly connected with the pressing nail.
The door control switch structure further comprises a fixed seat, the fixed seat is arranged on the cooking utensil and located above the hinge shell, the micro switch, the first limiting part, the first separating piece and the second separating piece are all arranged on the fixed seat, the first separating piece, the second separating piece and the first limiting part are sequentially distributed on the same horizontal plane, and the first separating piece, the second separating piece and the first limiting part are all located below the micro switch.
The hinge shell is further provided with a second through hole, the push rod is fixedly provided with a convex block matched with the second through hole, and the convex block extends into the second through hole and moves in the second through hole.
The central axis of the first rod part is obliquely arranged compared with the central axis of the second rod part.
The cooking utensil is further provided with a second limiting part, the first limiting part and the rotating part are both located below the second limiting part, and the side wall of the first rod part can be abutted against or separated from the second limiting part.
And a third limiting part is further arranged between the two ends of the push rod and used for limiting the range of the push rod moving in the push cavity.
The invention has the advantages that the pressing stroke of the pressing nail can be effectively increased, the pressing sensitivity is ensured, and the smooth switching between the door closing power-on and the door opening power-off is ensured.
Drawings
Fig. 1 is a perspective view (closing the door and supplying electricity) of a gate switch structure of the cooking appliance in the embodiment.
Fig. 2 is a schematic perspective view (power off when opening the door) of the gate switch structure of the cooking appliance in the embodiment.
Fig. 3 is an enlarged schematic view at a in fig. 1.
Fig. 4 is an enlarged schematic view at B in fig. 2.
Fig. 5 is a perspective view of a transmission device of a gate switch structure of the cooking appliance in the embodiment.
In the figure, the position of the upper end of the main shaft,
1. a microswitch; 2. a deflector rod; 21. a first rod portion; 22. a rotating part; 23. a second rod portion; 3. a hinge housing; 31. a first through hole; 32. a second through hole; 33. a first separation sheet; 34. a second separator; 35. a push chamber; 4. hinging strips; 41. a first end of a hinge strip; 42. a second end of the hinge strip; 5. a linkage bracket; 6. pressing nails; 7. a push rod; 71. a first portion; 72. a second portion; 73. a bump; 8. a door; 91. a first limit piece; 92. a second limiting member; 93. and a third limiting member.
Detailed Description
Referring to fig. 1-5, the present invention provides a gate control switch structure of a cooking appliance, the gate control switch structure includes a transmission device and a micro switch 1, the transmission device is used to control the micro switch 1 to power off or power on the cooking appliance, a first end of the transmission device is connected to a door 8 of the cooking appliance and a second end thereof is connected to the micro switch 1 in a transmission manner, the gate control switch structure further includes a shift lever 2, the shift lever 2 is provided with a first lever portion 21, a rotating portion 22 and a second lever portion 23 which are connected in sequence, the first lever portion 21 and the second lever portion 23 are one long and one short, the first lever portion 21 is longer than the second lever portion 23, the cooking appliance is fixedly provided with a rotating lever and a first limiting member 91, the rotating portion 22 is sleeved on the rotating lever to enable the shift lever 2 to rotate circumferentially around a central axis of the rotating lever, the first limiting member 91 is disposed near the second lever portion 23 and can abut against the second lever portion 23, the first lever part 21 is closer to the microswitch 1 and further away from the second end of the transmission than the second lever part 23. This technical scheme adopts the lever principle to make shorter second pole portion can have great dynamics transmission for transmission through setting up the driving lever, avoids closing the door to cooking utensil many times and opens the door the back appear the gate switch structure and appear the insensitive condition of transmission and lead to can't opening the door the outage and close the nimble switching of door circular telegram.
Further, the transmission device comprises a hinge shell 3, a hinge strip 4, a linkage support 5, a pressing nail 6 and a push rod 7 are arranged on the hinge shell 3, the first end of the hinge strip 4 is fixedly connected with a door 8 of the cooking appliance, the second end of the hinge strip 4 is hinged with the hinge shell 3, and the hinge strip 4, the linkage support 5, the pressing nail 6, the push rod 7, the shifting rod 2 and the microswitch 1 are sequentially in transmission connection. This technical scheme can effectively increase and press nail pressfitting stroke, guarantees the sensitivity of pressfitting, guarantees to close the door and switches smoothly between the circular telegram and the outage of opening the door.
Further, the hinge shell 3 is provided with a cavity, the bottom surface of the hinge shell is provided with an opening, the linkage support 5 is arranged in the cavity, the hinge shell 3 is provided with a first through hole 31, a first separating sheet 33 with a first pushing through hole and a second separating sheet 34 with a second pushing through hole, the centers of the first pushing through hole and the second pushing through hole are positioned on the same horizontal axis, and a pushing cavity 35 is formed between the first pushing through hole and the second pushing through hole; the first part 71 of the push rod 7 sequentially penetrates through the first pushing through hole and the second pushing through hole to be located in the pushing cavity 35, the first part 71 of the push rod 7 is close to the first limiting piece 91, the first part 71 of the push rod 7 is abutted against the second rod part 23, the second part 72 of the push rod 7 is located outside the pushing cavity 35 and is abutted against the press nail 6, the press nail 6 is arranged in the first through hole 31 and can move in the through hole, the second part 72 is provided with a limiting part and a spring, and two ends of the spring are respectively abutted against the limiting part and the second partition piece 34; the first end of the linkage bracket 5 is fixedly connected with the end part of the second end of the hinge strip 4, and the second end of the linkage bracket 5 is fixedly connected with the pressing nail 6. The push cavity is arranged, so that the push rod can be guided to move, and the influence of the shift of the push rod in the moving process is avoided.
Further, the gate control switch structure further comprises a fixed seat, the fixed seat is arranged on the cooking utensil and is located above the hinge shell, the micro switch 1, the first limiting part 91, the first separating sheet 33 and the second separating sheet 34 are all arranged on the fixed seat, the first separating sheet 33, the second separating sheet 34 and the first limiting part 91 are sequentially distributed on the same horizontal plane, and the three are located below the micro switch 1. The first limiting piece is used for controlling the rotating range of the second rod part.
Further, the hinge shell 3 is further provided with a second through hole 32, the push rod 7 is fixedly provided with a projection 73 matched with the second through hole 32, and the projection 73 extends into the second through hole 32 and moves in the second through hole 32. Therefore, the moving direction of the push rod can be further controlled, the push rod is kept stable and not twisted, and the transmission is prevented from being influenced.
Further, the central axis of the first lever portion 21 is inclined with respect to the central axis of the second lever portion 23. By adopting the eccentric design, when the door is opened, the pressing nail moves to drive the push rod to move, the push rod moves to be separated from the second rod part of the shift lever instantly, the first rod part is longer and more inclined than the second rod part, and meanwhile, the first rod part can move downwards under the action of gravity to cause the shift lever to be separated from the micro switch to be powered off, and the first rod part moves downwards, namely the shift lever overturns the second rod part to be abutted against the push rod instantly.
The cooking utensil is further provided with a second limiting member 92, the first limiting member 91 and the rotating part 22 are both located below the second limiting member 92, and the side wall of the first rod part 21 can be abutted against or separated from the second limiting member 92. The second limiting piece is used for controlling the rotating range of the first rod part.
A third limiting member 93 is further disposed between two ends of the push rod 7, and the third limiting member 93 is used for limiting the moving range of the push rod 7 in the push cavity 35.
When the cooking utensil is used, a door of the cooking utensil is closed in an initial state, a spring on the push rod is in a compressed state, one end of the push rod is abutted to the pressing nail, the other end of the push rod is abutted to the second rod part of the shift lever, one end, far away from the push rod, of the second rod part of the shift lever is abutted to the first limiting part, and the first rod part and the second limiting part of the shift lever are separated but abutted to the microswitch so that the cooking utensil is in a power-on state; when the door was opened, the hinge strip was opened and the upset was followed the door and is pressed the nail through linkage support drive and remove towards the door direction, presses the no longer butt push rod in the twinkling of an eye that the nail removed, and the spring reconversion drives the push rod and removes continuation butt pressure nail, breaks away from in the twinkling of an eye that the push rod removed the second pole portion of driving lever, first pole portion compare in the longer more slope of second pole portion, receive simultaneously that the first pole portion of action of gravity can automatic downstream lead to the driving lever to break away from the micro-gap switch outage, the driving lever upset second pole portion again in the twinkling of an eye with the push rod butt this moment, make the door control switch structure can effectually open the door the outage and close the nimble switching of circular telegram of closing the door.
Claims (8)
1. A door control switch structure of a cooking appliance comprises a transmission device and a microswitch, wherein the transmission device is used for controlling the microswitch to cut off or electrify the cooking appliance, a first end of the transmission device is connected with a door of the cooking appliance, a second end of the transmission device is connected with the microswitch in a transmission way, the door control switch structure is characterized by further comprising a shifting rod, a first rod part, a rotating part and a second rod part which are sequentially connected are arranged on the shifting rod, the first rod part and the second rod part are long and short, the first rod part is longer than the second rod part, a rotating rod and a first limiting part are fixedly arranged on the cooking appliance, the rotating part is sleeved on the rotating rod to enable the shifting rod to rotate around the central shaft of the rotating rod in the circumferential direction, the first limiting part is arranged near the second rod part and can be abutted against the second rod part, the first lever portion is closer to the microswitch than the second lever portion and further from the second end of the transmission.
2. The structure of claim 1, wherein the transmission device comprises a hinge housing, the hinge housing is provided with a hinge strip, a linkage bracket, a pressing pin and a push rod, a first end of the hinge strip is fixedly connected with the door of the cooking utensil, a second end of the hinge strip is hinged with the hinge housing, and the hinge strip, the linkage bracket, the pressing pin, the push rod, the driving lever and the microswitch are sequentially connected in a transmission manner.
3. The door controlled switch structure according to claim 2, wherein the hinge housing has a cavity and an opening at a bottom surface, the linking bracket is disposed in the cavity, the hinge housing has a first through hole, a first partition having a first pushing through hole, and a second partition having a second pushing through hole, centers of the first pushing through hole and the second pushing through hole are located on a same horizontal axis, and a pushing cavity is formed between the first pushing through hole and the second pushing through hole; the first part of the push rod sequentially penetrates through the first pushing through hole and the second pushing through hole to be located in the pushing cavity, the first part of the push rod is close to the first limiting piece, the first part of the push rod is abutted against the second rod part, the second part of the push rod is located outside the pushing cavity and is abutted against the press nail, the press nail is arranged in the first through hole and can move in the through hole, the second part is provided with a limiting part and a spring, and two ends of the spring are respectively abutted against the limiting part and the second separating piece; the first end of the linkage support is fixedly connected with the end part of the second end of the hinge strip, and the second end of the linkage support is fixedly connected with the pressing nail.
4. The structure of claim 3, further comprising a fixed base disposed on the cooking utensil and above the hinge housing, wherein the micro switch, the first limiting member, the first separating sheet and the second separating sheet are disposed on the fixed base, and the first separating sheet, the second separating sheet and the first limiting member are sequentially disposed on a same horizontal plane and disposed below the micro switch.
5. The door control switch structure according to any one of claims 2 to 4, wherein the hinge housing is further provided with a second through hole, the push rod is fixedly provided with a projection matched with the second through hole, and the projection extends into the second through hole and moves in the second through hole.
6. A gated switch structure according to any of claims 1-4, wherein the central axis of the first rod part is arranged inclined compared to the central axis of the second rod part.
7. The structure of any one of claims 1 to 4, wherein a second limiting member is further disposed on the cooking utensil, the first limiting member and the rotating portion are both located below the second limiting member, and the sidewall of the first rod portion can abut against or be separated from the second limiting member.
8. The gated switch structure according to any one of claims 1 to 4, wherein a third limiting member is further disposed between two ends of the push rod, and the third limiting member is configured to limit a range of movement of the push rod in the push cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111584541.XA CN114068208A (en) | 2021-12-23 | 2021-12-23 | Cooking utensil's gate switch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111584541.XA CN114068208A (en) | 2021-12-23 | 2021-12-23 | Cooking utensil's gate switch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114068208A true CN114068208A (en) | 2022-02-18 |
Family
ID=80230173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111584541.XA Pending CN114068208A (en) | 2021-12-23 | 2021-12-23 | Cooking utensil's gate switch structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114068208A (en) |
-
2021
- 2021-12-23 CN CN202111584541.XA patent/CN114068208A/en active Pending
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