CN211748821U - Cover opening and closing detection structure and electric pressure cooker - Google Patents
Cover opening and closing detection structure and electric pressure cooker Download PDFInfo
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- CN211748821U CN211748821U CN202020076503.8U CN202020076503U CN211748821U CN 211748821 U CN211748821 U CN 211748821U CN 202020076503 U CN202020076503 U CN 202020076503U CN 211748821 U CN211748821 U CN 211748821U
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Abstract
The utility model discloses an open and shut and cover detection structure to an electric pressure cooker with open and shut cover detection structure is disclosed, wherein open and shut the cover and detect the structure and be used for electric pressure cooker, include: the magnet is fixedly connected with the upper cover of the electric pressure cooker; the micro switch is connected with the pot body of the electric pressure cooker; wherein, micro-gap switch's one end rotate connect in the pot body, the other end is connected with magnetism and inhales the piece, works as magnet is located the top of magnetism and inhales the piece, magnet adsorbs magnetism is inhaled the piece to make micro-gap switch rotate and triggered, work as the upper cover closes and covers in place, magnet with magnetism is inhaled the piece and is staggered. When the upper cover is installed on the pot body and is not in place, the magnet is close to the upper part of the magnetic attraction piece, and the magnetic attraction piece drives one end of the microswitch to rotate towards the magnet, so that the microswitch is triggered, the heating circuit of the electric pressure cooker is disconnected, heating cannot be performed, and potential safety hazards of air leakage or cover lifting explosion are eliminated.
Description
Technical Field
The utility model relates to an electric pressure cooker technical field, in particular to an open-close cover detection structure for an electric pressure cooker and an electric pressure cooker.
Background
The electric pressure cooker is a common kitchen appliance at present, and can quickly complete stewing and boiling through high-pressure cooking, thereby bringing convenience to users. Because high pressure exists in the electric pressure cooker, the fastening connection between the upper cover and the cooker body is very important, the upper cover needs to be buckled in place to heat, otherwise, air leakage and even cover lifting explosion easily occur. Therefore, the existing electric pressure cooker is usually provided with a cover opening and closing detection structure, the on-off of a circuit is controlled by the induction of a magnetic induction piece such as a reed switch and a magnet or the mode of a push rod, and when the cover is not closed in place, the electric pressure cooker cannot be heated. However, the existing open-close cover detection structure has the defects of poor waterproof effect, incapability of accessing a strong current circuit, high cost and the like, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an open and shut and cover detection structure, the upper cover is not installed in place, and the micro-gap switch-on and open circuit, simple structure, it is with low costs.
The utility model discloses provide simultaneously have above-mentioned electric pressure cooker that opens and shuts and cover detection structure.
According to the utility model discloses an open and shut lid of first aspect embodiment detects structure for electric pressure cooker, include:
the magnet is fixedly connected with the upper cover of the electric pressure cooker;
the micro switch is connected with the pot body of the electric pressure cooker;
wherein, micro-gap switch's one end rotate connect in the pot body, the other end is connected with magnetism and inhales the piece, works as magnet is located the top of magnetism and inhales the piece, magnet adsorbs magnetism is inhaled the piece to make micro-gap switch rotate and triggered, work as the upper cover closes and covers in place, magnet with magnetism is inhaled the piece and is staggered.
According to the utility model discloses the lid that opens and shuts detects structure of first aspect embodiment has following beneficial effect at least: when the upper cover is installed on the pot body and is not in place, the magnet is close to the upper part of the magnetic attraction piece, and due to the magnetic attraction, the magnetic attraction piece drives one end of the microswitch to rotate towards the magnet, so that the microswitch is triggered, a heating circuit of the electric pressure cooker is disconnected at the moment, the heating cannot be performed, and the potential safety hazard of air leakage or cover lifting explosion is eliminated; the upper cover is installed in place, the magnet is staggered with the magnetic attraction piece, the microswitch automatically resets under the action of gravity, the microswitch is not triggered, and at the moment, the heating circuit of the electric pressure cooker is communicated and can heat; when the upper cover leaves the pot body, the microswitch is in a non-triggering state under the action of gravity, and the heating circuit of the electric pressure cooker is communicated and can also heat. Still possess following advantage: 1. the micro switch is adopted for detection, the power supply can be connected into a strong current circuit to control the power supply, and the micro switch can be applied to mechanical and computer products to improve the universality; 2. the microswitch is adopted for detection, so that the circuit can be accessed to control heating, the circuit board is not influenced, and the safety is higher; 3. the microswitch is adopted, so that the cost is lower than that of a reed switch, and the structure is more reliable; 4. the magnet drives the microswitch to be electrified, and a driving ejector rod is omitted, so that the water-proof switch is effective in water prevention, and is safer, simpler in structure, convenient to install and low in manufacturing cost; 5. the push rod is not arranged, so that the use is more convenient for users and the cleaning is easy.
According to some embodiments of the first aspect of the present invention, the pot body is provided with a horizontal swing shaft, the micro switch is provided with a matching circular hole of the swing shaft.
According to the utility model discloses some embodiments of the first aspect, the pot body is provided with the support ring, the bottom surface of support ring is provided with the mounting groove of opening orientation below, micro-gap switch connect in the mounting groove.
According to some embodiments of the first aspect of the present invention, a fixed cover is further provided in the mounting groove, the fixed cover has an opening facing upward, and the oscillating shaft is fixed in the fixed cover.
According to some embodiments of the first aspect of the present invention, the magnetic attraction member is U-shaped or Z-shaped and holds the end of the micro switch.
According to some embodiments of the first aspect of the present invention, the magnetically attractive element is a permalloy element, an iron-aluminum alloy element or a stainless iron element.
According to some embodiments of the first aspect of the present invention, the magnetic member is a second magnet, and the second magnet is opposite to the magnet in polarity.
According to some embodiments of the first aspect of the present invention, the upper cover is fixedly connected with a face cover stopper, the face cover stopper and the upper cover between which an inner cavity for accommodating the magnet is formed.
According to some embodiments of the first aspect of the present invention, the upper cover is provided with two clamping blocks, two the clamping blocks are provided with notches arranged oppositely, both ends of the magnet are installed in the notches, and the surface cover stopper covers two the clamping blocks.
According to the utility model discloses electric pressure cooker of second aspect embodiment has as above the lid that opens and shuts detects the structure, the internal inner bag that installs of pot, the upper cover is provided with the pot cover, the pot cover is detained soon realize sealed on the inner bag to carry out high pressure and boil the food, the micro-gap switch electricity connect in the control circuit of the pot body, micro-gap switch is the normal open switch, works as micro-gap switch rotates and is triggered, cuts off heating circuit. When the upper cover is installed and is not installed in place, the microswitch is triggered to disconnect the heating circuit, and the electric pressure cooker can not heat; after the upper cover is installed in place, the micro switch is not triggered and is communicated with the heating circuit, and the electric pressure cooker can heat.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of some embodiments of a second aspect of the present invention;
FIG. 2 is an exploded view of FIG. 1;
fig. 3 is a cross-sectional view of some embodiments of the second aspect of the present invention;
FIG. 4 is an enlarged partial view of FIG. 3;
fig. 5 is a partially exploded view of some embodiments of the first aspect of the present invention;
fig. 6 is a partially exploded view of some embodiments of the first aspect of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 4 to 6, according to the utility model discloses a according to of first aspect embodiment the utility model discloses a lid detection structure opens and shuts of first aspect embodiment for electric pressure cooker includes: a magnet 310 fixedly connected to the upper cover 100 of the electric pressure cooker; the microswitch 320 is connected with the pot body 200 of the electric pressure cooker; wherein, one end of the micro switch 320 is rotatably connected to the pot body 200, the other end is connected to the magnetic element 330, when the magnet 310 is located above the magnetic element 330, the magnet 310 absorbs the magnetic element 330, so that the micro switch 320 rotates to be triggered, and when the upper cover 100 is closed in place, the magnet 310 and the magnetic element 330 are staggered. It can be understood that the pot body 200 has a space for installing the micro switch 320, the micro switch 320 can rotate in the space, the micro switch 320 is a normally-on switch, the micro switch 320 rotates to a certain position, the contact of the micro switch 320 is triggered by the pot body 200 to control the disconnection of the heating circuit, and the electric pressure cooker can not heat; when the magnetic attraction piece 330 is not acted by the attraction force, the microswitch 320 is reset under the action of gravity, the heating circuit is switched on, and the electric pressure cooker can heat.
By adopting the structure and referring to fig. 4, when the upper cover 100 is mounted on the pot body 200 (not in place), the magnet 310 is positioned above the magnetic attraction piece 330, and due to the magnetic attraction, the magnetic attraction piece 330 drives one end of the microswitch 320 to rotate towards the magnet 310, so that the microswitch 320 is triggered, the heating circuit of the electric pressure cooker is disconnected, heating cannot be performed, and the potential safety hazard of air leakage or cover-lifting explosion is eliminated; the upper cover 100 is installed in place, the magnet 310 and the magnetic attraction piece 330 are staggered, the microswitch 320 automatically resets under the action of gravity, the microswitch 320 is not triggered, and at the moment, the heating circuit of the electric pressure cooker is communicated and can heat; when the upper cover 100 leaves the pot body 200, the micro switch 320 is in a non-triggering state under the action of gravity, and the heating circuit of the electric pressure cooker is communicated and can also heat.
Still possess following advantage: 1. the micro switch 320 is adopted for detection, can be connected into a strong current circuit to control a power supply, can be applied to mechanical and computer products, and improves the universality; 2. the microswitch 320 is adopted for detection, so that the circuit can be accessed to control heating, the circuit board is not influenced, and the safety is higher; 3. the microswitch 320 is adopted, so that the cost is lower than that of a reed switch, and the structure is more reliable; 4. the magnet 310 drives the microswitch 320 to be electrified, a driving ejector rod is omitted, water can be effectively prevented, the structure is safer and simpler, the installation is convenient, and the manufacturing cost is low; 5. the push rod is not arranged, so that the use is more convenient for users and the cleaning is easy.
Referring to fig. 5, according to some embodiments of the first aspect of the present invention, the pot body 200 is provided with a horizontal swing shaft 340, and the micro switch 320 is provided with a circular hole 321 matching the swing shaft 340. The microswitch 320 is assembled on the horizontal swinging shaft 340 through the round hole 321, and the microswitch 320 can rotate around the swinging shaft 340, so that the structure is simple, the disassembly and the assembly are simple, and the maintenance is convenient.
Referring to fig. 5, according to some embodiments of the first aspect of the present invention, the pot body 200 is provided with a support ring 210, a bottom surface of the support ring 210 is provided with a mounting groove 211 with an opening facing downward, and a micro switch 320 is connected to the mounting groove 211. The microswitch 320 is covered by the support ring 210 to prevent water vapor contact and ensure stable operation. It is understood that the bottom surface of the electric pressure cooker is taken as the lower part, the upper cover 100 is taken as the upper part, and the same reference is made in other descriptions.
Referring to fig. 5, further, a fixing cover 220 is disposed in the mounting groove 211, the fixing cover 220 has an opening facing upward, the swing shaft 340 is fixed in the fixing cover 220, the fixing cover 220 is mounted on the bottom surface of the support ring 210, and the fixing cover 220 and the support ring 210 cooperatively surround the micro switch 320 to protect the micro switch 320. Referring to fig. 2, the microswitch 320 can be taken out by detaching the fixing cover 220, which is convenient for maintenance and replacement.
Referring to fig. 2 and 5, according to some embodiments of the first aspect of the present invention, the magnetic attraction member 330 is U-shaped or Z-shaped and clamps the end of the micro switch 320, so that the installation is simple and the processing is convenient. It is understood that the magnetic member 330 can be adhered to the micro-switch 320 by glue, or a hole can be formed in the magnetic member 330 and fixed to the micro-switch 320 by a bolt. The above structures are feasible solutions, and the magnetic attraction piece 330 is fixed with the microswitch 320 and integrally rotates under the attraction effect of the magnet 310.
According to some embodiments of the first aspect of the present invention, the magnetic attraction member 330 is a permalloy member, an iron-aluminum alloy member or a stainless steel member, and can be attracted by the magnet 310, and has better anti-rust and anti-corrosion properties, so as to prolong the service life.
According to some embodiments of the first aspect of the present invention, the magnetic attraction member 330 can also adopt a second magnet, the second magnet is opposite to the magnet 310 in polarity, and the two attract each other, so that the magnetic attraction member 330 can drive the one end of the micro switch 320 to rotate towards the magnet 310, and the micro switch 320 is triggered.
Referring to fig. 6, according to some embodiments of the first aspect of the present invention, the upper cover 100 is fixedly connected with a face cover stopper 110, and an inner cavity for accommodating the magnet 310 is formed between the face cover stopper 110 and the upper cover 100. The cover stopper 110 fixes the magnet 310, and covers the magnet 310, thereby preventing the magnet 310 from being displaced due to collision and improving the stability of use.
Referring to fig. 6, further, the upper cover 100 is provided with two clamping blocks 120, the two clamping blocks 120 are provided with oppositely arranged notches, and both ends of the magnet 310 are installed in the notches. Utilize two clamp splice 120 to inject magnet 310, the position is accurate, guarantees that the electric pressure cooker can accurately detect whether to put in place to close the lid, and face lid dog 110 covers two clamp splice 120 moreover, and magnet 310 is surrounded, prevents to be collided the aversion, improves the reliability in utilization.
Referring to fig. 1 to 4, according to the electric pressure cooker of the embodiment of the second aspect of the present invention, the cover opening and closing detection structure as described above is provided, the inner container 400 is installed in the cooker body 200, the upper cover 100 is provided with the cooker cover 500, the cooker cover 500 is screwed on the inner container 400 to realize sealing, so as to perform high-pressure cooking, the micro switch 320 is electrically connected to the control circuit of the cooker body 200, the micro switch 320 is a normally open switch, and when the micro switch 320 rotates and is triggered, the heating circuit is cut off. In the process of installing the upper cover 100, when the upper cover is not installed in place, the microswitch 320 is triggered to disconnect the heating circuit, and the electric pressure cooker can not heat; after the upper cover 100 is installed in place, the micro switch 320 is not triggered and is communicated with the heating circuit, and the electric pressure cooker can heat.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. Open and shut and cover detection structure for electric pressure cooker, its characterized in that includes:
the magnet is fixedly connected with the upper cover of the electric pressure cooker;
the micro switch is connected with the pot body of the electric pressure cooker;
wherein, micro-gap switch's one end rotate connect in the pot body, the other end is connected with magnetism and inhales the piece, works as magnet is located the top of magnetism is inhaled the piece, magnet adsorbs magnetism is inhaled the piece to make micro-gap switch rotate, works as the upper cover closes to cover and targets in place, magnet with magnetism is inhaled the piece and is staggered.
2. The cover opening and closing detection structure as claimed in claim 1, wherein the pot body is provided with a horizontal swing shaft, and the micro switch is provided with a round hole matching with the swing shaft.
3. The cover opening and closing detection structure as claimed in claim 2, wherein the pot body is provided with a support ring, the bottom surface of the support ring is provided with a mounting groove with an opening facing downwards, and the micro switch is connected to the mounting groove.
4. The opening/closing cover detection structure according to claim 3, wherein a fixing cover having an opening facing upward is further provided in the mounting groove, and the swing shaft is fixed in the fixing cover.
5. The opening and closing cover detecting structure according to claim 1, wherein the magnetic member is U-shaped or Z-shaped and holds an end of the micro switch.
6. The opening and closing cover detecting structure as claimed in claim 1, wherein the magnetic member is a permalloy member, an iron-aluminum alloy member or a stainless steel member.
7. The opening and closing cover detecting structure as claimed in claim 1, wherein the magnetic member is a second magnet, and a side of the second magnet adjacent to the magnet has a polarity opposite to that of the magnet.
8. The opening-closing cover detection structure according to claim 1, wherein a surface cover stopper is fixedly connected to the upper cover, and an inner cavity for accommodating the magnet is formed between the surface cover stopper and the upper cover.
9. The opening-closing cover detection structure according to claim 8, wherein the upper cover is provided with two clamping blocks, the two clamping blocks are provided with oppositely arranged notches, and two ends of the magnet are installed in the notches.
10. The electric pressure cooker is characterized in that the structure for detecting the opening and closing cover is as claimed in any one of claims 1 to 7, the microswitch is a normally-on switch, and when the microswitch is triggered by rotation, the heating circuit is cut off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020076503.8U CN211748821U (en) | 2020-01-13 | 2020-01-13 | Cover opening and closing detection structure and electric pressure cooker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020076503.8U CN211748821U (en) | 2020-01-13 | 2020-01-13 | Cover opening and closing detection structure and electric pressure cooker |
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| Publication Number | Publication Date |
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| CN211748821U true CN211748821U (en) | 2020-10-27 |
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| CN202020076503.8U Active CN211748821U (en) | 2020-01-13 | 2020-01-13 | Cover opening and closing detection structure and electric pressure cooker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114343455A (en) * | 2021-12-02 | 2022-04-15 | 广东纯米电器科技有限公司 | Food processor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114343455A (en) * | 2021-12-02 | 2022-04-15 | 广东纯米电器科技有限公司 | Food processor |
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Denomination of utility model: Opening and closing cover detection structure and electric pressure cooker Effective date of registration: 20221213 Granted publication date: 20201027 Pledgee: Jiangmen Rural Commercial Bank Co.,Ltd. fengle sub branch Pledgor: JIANGMEN LEMI ELECTRICAL APPLIANCE CO.,LTD. Registration number: Y2022980026363 |