CN109276126B - Cover opening and closing detection mechanism of electric pressure cooker - Google Patents
Cover opening and closing detection mechanism of electric pressure cooker Download PDFInfo
- Publication number
- CN109276126B CN109276126B CN201811250154.0A CN201811250154A CN109276126B CN 109276126 B CN109276126 B CN 109276126B CN 201811250154 A CN201811250154 A CN 201811250154A CN 109276126 B CN109276126 B CN 109276126B
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- Prior art keywords
- pot
- cover
- rotating piece
- micro switch
- pot cover
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- 230000007246 mechanism Effects 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 title claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 8
- 238000005452 bending Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000006698 induction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/09—Safety devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/0804—Locking devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/086—Pressure-cookers; Lids or locking devices specially adapted therefor with built-in heating means
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention relates to the technical field of electric pressure cooker, the existing electric pressure cooker adopts a special micro-switch to control the on-off of a heating disc, and the special micro-switch has high cost; the invention provides a detection mechanism for an opening and closing cover of an electric pressure cooker, which comprises a cooker body and a cooker cover, wherein a micro switch for disconnecting a heating plate and a rotating piece for triggering the micro switch are arranged on the cooker body; when the pot cover is arranged on the pot body and only in the screwing process of the pot cover, the outer edge of the pot cover abuts against the upper end part of the rotating piece, so that the lower end part of the rotating piece triggers the micro switch; when the pot teeth on the pot cover are completely meshed with the pot teeth on the pot body, the upper end part of the rotating piece is separated from the pot cover; good waterproof effect and low cost.
Description
Technical Field
The invention relates to the technical field of electric pressure cookers, in particular to an electric pressure cooker cover opening and closing detection mechanism.
Background
With the continuous improvement of the living standard of people, kitchen cookers are also continuously updated. The electric pressure cooker has the characteristics of being quick, safe, energy-saving, capable of automatically realizing various cooking modes and the like, is favored by consumers, and becomes a preferred product when the traditional pressure cooker and the electric cooker are upgraded.
In order to increase the safety of the electric pressure cooker, a cover opening detection mechanism is arranged on the cooker body and used for controlling the on-off of a heating disc in the electric pressure cooker. When the pot cover and the pot body are completely buckled or the pot cover is not provided, the heating plate is allowed to be communicated by a user; when the pot cover is not screwed on the pot body in place, the heating plate is opened and cannot be connected by a user.
The existing electric pressure cooker mostly adopts a magnetic switch or a micro switch to detect whether the opening and closing cover of the electric pressure cooker is in place or not so as to ensure the safety of the electric pressure cooker. The magnetic switch is provided with a reed pipe, a Hall element, a magnet inductor and the like, but the magnetic induction elements are strong magnets, so that the induction range is large, the precision is low when the cover is opened and closed for detection, and error conditions are easy to occur. Most of the micro-switches are integrally packaged, and when the micro-switches are used on an electric pressure cooker, in order to prevent the micro-switches from water inflow, the micro-switches of the specially-made long push rod are required to enable the contacts of the push rod to be far away from the micro-switches as far as possible so as to avoid water inflow. However, such a specially made microswitch would certainly increase the cost.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the detection mechanism for the opening and closing cover of the electric pressure cooker, which is water-proof and has low cost.
In order to achieve the above purpose, the present invention is realized by the following technical scheme: the detecting mechanism comprises a pot body and a pot cover, wherein the pot body is provided with a micro switch for disconnecting a heating disc and a rotating piece for triggering the micro switch, the middle part of the rotating piece is hinged with the pot body, and the micro switch is arranged on the pot body close to the lower end part of the rotating piece; when the pot cover is arranged on the pot body and only in the screwing process of the pot cover, the outer edge of the pot cover abuts against the upper end part of the rotating piece, so that the lower end part of the rotating piece triggers the micro switch; when the pot teeth on the pot cover are completely meshed with the pot teeth on the pot body, the upper end part of the rotating piece is separated from the pot cover.
By adopting the technical scheme, the middle part of the rotating piece is hinged with the pot body, and in the process of rotating the pot cover, the pot cover touches the upper end part of the rotating piece and forces the upper end part to deflect a slight angle, the rotating piece is equivalent to a lever, and the lower end part of the rotating piece deflects due to the deflection of the upper end, so that the micro switch is triggered; compared with the prior art, the rotary part is used as the lever in the scheme, so that a special micro switch is not used, the cost is reduced, and the possibility of water inflow is also reduced due to the fact that the rotary part is longer.
The invention further preferably comprises the following steps: the pot body comprises an inner container and a shell, and an upper cover is arranged on the shell; the micro-gap switch and the rotation piece set up in the shell, the upper end of rotation piece exposes the up end of upper cover.
The invention further preferably comprises the following steps: the outer edge of the pot cover is provided with a boss, and the boss is provided with an inclined plane for touching the rotating piece in the screwing process. The inclined plane is added, the stress direction of the boss and the upper end part of the rotating piece is changed, and the stress direction is perpendicular to the force arm between the stress point and the hinging point as far as possible.
The invention further preferably comprises the following steps: the rotating piece is in a ladder shape and comprises an upper bending part and a lower bending part which are connected, and the upper bending part is exposed out of the upper end face of the upper cover; the micro switch is inverted in the shell, and the contact point of the micro switch faces downwards and is positioned above the lower bending part.
By adopting the technical scheme, on one hand, the rotating piece is in a ladder shape, so that the horizontal distance between the upper end part of the rotating piece and the micro switch is increased, and the possibility of contact with water is reduced; on the other hand, due to the action of gravity, water always flows downwards, the micro switch is turned upside down, and the contact is downward, so that the water can be completely prevented from being immersed in the water, and the waterproof effect is good.
The invention further preferably comprises the following steps: and an installation box for installing the micro switch and the rotating piece is arranged in the shell, and the installation box is fastened with the upper cover through bolts.
The invention further preferably comprises the following steps: a notch is arranged on the boss; when the pot cover is screwed, and the pot teeth of the pot cover are completely meshed with the pot teeth of the pot body, the upper end part of the rotating piece is positioned in the notch. On one hand, the micro switch is prevented from being touched when the pot cover is completely buckled, so that the heating plate can work normally; on the other hand, the upper end of the rotating piece is just positioned in the notch at the moment, so that the protection effect can be achieved, and the micro switch is prevented from being touched by mistake.
In summary, the invention has the following beneficial effects: the waterproof effect is good, compare low cost in current scheme.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top view of the pan body;
FIG. 3 is a schematic view of the structure of a pot cover;
FIG. 4 is a schematic view of the structure of the pan cover and the pan body when not buckled;
FIG. 5 is a schematic view of the structure of the pot cover and the pot body when they are buckled (not completely screwed together);
FIG. 6 is an enlarged view at A in FIG. 5;
Fig. 7 is an exploded view of the pan body.
In the figure: 1. a pot body; 11. an inner container; 12. a housing; 13. a micro-switch; 14. a rotating member; 15. an upper cover; 2. a pot cover; 21. a boss; 22. an inclined plane; 23. and (5) a notch.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is merely illustrative of the present invention and is not intended to be limiting, and modifications thereof without creative contribution can be made by those skilled in the art after reading the present specification, as long as they are protected by patent laws within the scope of claims of the present invention.
As shown in fig. 1 to 7, an electric pressure cooker cover opening and closing detection mechanism is shown, comprising a cooker body 1 and a cooker cover 2.
The pot body 1 is provided with a micro switch 13 for disconnecting the heating plate and a rotating piece 14 for triggering the micro switch 13. The middle part of the rotating piece 14 is hinged with the pot body 1, and the micro switch 13 is arranged on the pot body 1 near the lower end part of the rotating piece 14.
In this embodiment, the pan body 1 includes an inner container 11 and a housing 12, and an upper cover 15 is provided on the housing 12. The microswitch 13 and the rotating member 14 are provided on a mounting box in the housing 12, and the mounting box is fastened with the upper cover 15 by bolts. The rotating member 14 is in a ladder shape and comprises an upper bending part and a lower bending part which are connected, wherein the upper bending part is exposed out of the upper end surface of the shell 12; the micro switch 13 is inverted in the housing 12, and the contact of the micro switch 13 is downward and above the lower bending part.
The outer edge of the pot cover 2 is provided with a boss 21, and the boss 21 is provided with an inclined plane 22 for touching the rotating member 14 in the screwing process. The boss 21 is provided with a notch 23. The upper end of the rotating member 14 is rotated when the teeth of the lid 2 are completely engaged with the teeth of the body 1.
When the pot cover 2 is mounted on the pot body 1 and only during the screwing process of the pot cover 2, the outer edge of the pot cover 2 abuts against the upper end of the rotating member 14, so that the lower end of the rotating member 14 triggers the micro switch 13 (see fig. 5 for details). When the pot cover 2 is screwed in, and the pot teeth on the pot cover 2 are completely meshed with the pot teeth on the pot body 1, the upper end part of the rotating piece 14 is positioned in the notch 23 and separated from the inclined surface 22 on the pot cover 2.
The working state of the invention is as follows:
1. When the pot cover 2 is not arranged on the pot body 1, the upper end part of the rotating part 14 is not subjected to pressure, the lower end part of the rotating part 14 has no acting force on the micro switch 13, the micro switch 13 (the normally closed micro switch 13 is adopted in the embodiment) is in a closed state, and the heating disc can be controlled by the operation of a user to be turned on or off.
2. When the pot cover 2 is on the pot body 1 or is not completely screwed in place, the upper end part of the rotating piece 14 deflects under the pressure of the upper inclined surface 22 of the pot cover 2, the rotating piece 14 is equivalent to a lever, and the lower end part of the rotating piece 14 deflects along with the lever and then presses the micro switch 13, so that the micro switch 13 is triggered, and the micro switch 13 is in an open circuit state. At this time, the heating plate is always in an open circuit, and is not controlled by user operation.
3. When the pot cover 2 is on the pot body 1 and is completely screwed and buckled, the upper end part of the rotating piece 14 is positioned in the notch 23 of the pot cover 2. At this time, the upper end of the rotating member 14 is not pressed, the lower end of the rotating member 14 has no force on the micro switch 13, the micro switch 13 (the normally closed micro switch 13 is adopted in the embodiment) is in a closed state, and the heating disc can be controlled by the operation of a user to be turned on or off.
Claims (5)
1. The utility model provides an electric pressure cooker lid detection mechanism that opens and shuts, includes pot body (1) and pot cover (2), its characterized in that: the automatic cooker is characterized in that a micro switch (13) for disconnecting a heating disc and a rotating piece (14) for triggering the micro switch (13) are arranged on the cooker body (1), the middle part of the rotating piece (14) is hinged with the cooker body (1), the rotating piece is equivalent to a lever, and the micro switch (13) is arranged on the cooker body (1) close to the lower end part of the rotating piece (14); the pot body (1) comprises an inner container (11) and a shell (12), the micro switch (13) and the rotating piece (14) are arranged in the shell (12), and when the pot cover (2) is arranged on the pot body (1) and only in the rotating process of the pot cover (2), the outer edge of the pot cover (2) is abutted against the upper end part of the rotating piece (14), so that the lower end part of the rotating piece (14) triggers the micro switch (13); a boss (21) is arranged on the outer edge of the pot cover (2), and a notch (23) is arranged on the boss (21); when the pot teeth of the pot cover (2) are completely meshed with the pot teeth of the pot body (1) after the pot cover (2) is screwed, the upper end part of the rotating piece (14) is positioned in the notch (23), and the upper end part of the rotating piece (14) is separated from the pot cover (2).
2. The open-close cover detecting mechanism according to claim 1, wherein: an upper cover (15) is arranged on the shell (12); the upper end of the rotating member (14) is exposed out of the upper end surface of the upper cover (15).
3. The open-close cover detecting mechanism according to claim 1, wherein: the boss (21) is provided with an inclined plane (22) for touching the rotating member (14) in the screwing process.
4. The open-close cover detecting mechanism according to claim 1, wherein: the rotating piece (14) is in a ladder shape and comprises an upper bending part and a lower bending part which are connected, and the upper bending part is exposed out of the upper end face of the upper cover (15); the micro switch (13) is inverted in the shell (12), and the contact of the micro switch (13) faces downwards and is positioned above the lower bending part.
5. The open-close cover detecting mechanism according to claim 4, wherein: the shell (12) is internally provided with a mounting box for mounting the micro switch (13) and the rotating piece (14), and the mounting box is fastened with the upper cover (15) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811250154.0A CN109276126B (en) | 2018-10-25 | 2018-10-25 | Cover opening and closing detection mechanism of electric pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811250154.0A CN109276126B (en) | 2018-10-25 | 2018-10-25 | Cover opening and closing detection mechanism of electric pressure cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109276126A CN109276126A (en) | 2019-01-29 |
| CN109276126B true CN109276126B (en) | 2024-06-18 |
Family
ID=65178431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811250154.0A Active CN109276126B (en) | 2018-10-25 | 2018-10-25 | Cover opening and closing detection mechanism of electric pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109276126B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020156435A1 (en) * | 2019-02-02 | 2020-08-06 | Zhejiang Supor Electrical Appliances Manufacturing Co., Ltd. | Cooking appliance |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203088712U (en) * | 2013-01-08 | 2013-07-31 | 美的集团股份有限公司 | Electric pressure cooker |
| CN209863344U (en) * | 2018-10-25 | 2019-12-31 | 浙江爱仕达生活电器有限公司 | Electric pressure cooker cover opening and closing detection mechanism |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2783895Y (en) * | 2005-04-04 | 2006-05-31 | 冼国佳 | Automatic electric pressure cooker |
| CN201612499U (en) * | 2009-11-26 | 2010-10-27 | 江苏通达威鹏电气有限公司 | Switch used for electric pressure cooker |
| CN201929709U (en) * | 2010-12-01 | 2011-08-17 | 九阳股份有限公司 | Electric pressure cooker capable of safely opening and closing cover |
| CN201996290U (en) * | 2011-02-13 | 2011-10-05 | 廖苏萍 | Novel electric pressure cooker |
| CN202820915U (en) * | 2012-10-24 | 2013-03-27 | 广东创迪电器有限公司 | Safe pressure cooker |
| CN206239133U (en) * | 2016-10-25 | 2017-06-13 | 广东顺德欧宁科技电器有限公司 | A kind of electric pressure cooking saucepan with safety switching apparatus |
| CN207461973U (en) * | 2017-03-28 | 2018-06-08 | 宁波科帅电器实业有限公司 | Use safer air fryer |
-
2018
- 2018-10-25 CN CN201811250154.0A patent/CN109276126B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203088712U (en) * | 2013-01-08 | 2013-07-31 | 美的集团股份有限公司 | Electric pressure cooker |
| CN209863344U (en) * | 2018-10-25 | 2019-12-31 | 浙江爱仕达生活电器有限公司 | Electric pressure cooker cover opening and closing detection mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109276126A (en) | 2019-01-29 |
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