CN209863344U - Electric pressure cooker cover opening and closing detection mechanism - Google Patents
Electric pressure cooker cover opening and closing detection mechanism Download PDFInfo
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- CN209863344U CN209863344U CN201821741173.9U CN201821741173U CN209863344U CN 209863344 U CN209863344 U CN 209863344U CN 201821741173 U CN201821741173 U CN 201821741173U CN 209863344 U CN209863344 U CN 209863344U
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Abstract
The utility model relates to the technical field of electric pressure cooker, the existing electric pressure cooker adopts a specially-made microswitch to control the on-off of a heating plate, and the specially-made microswitch has high cost; the utility model provides an electric pressure cooker cover opening and closing detection mechanism, which comprises a cooker body and a cooker cover, wherein the cooker body is provided with a micro switch for disconnecting a heating plate and a rotating piece for triggering the micro switch, the middle part of the rotating piece is hinged with the cooker body, and the micro switch is arranged on the cooker body close to the lower end part of the rotating piece; when the pot cover is covered on the pot body and only in the process of screwing the pot cover, the outer edge of the pot cover is pressed against the upper end part of the rotating part, so that the lower end part of the rotating part 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 part is separated from the pot cover; the waterproof effect is good and the cost is low.
Description
Technical Field
The utility model relates to an electric pressure cooker technical field, the more specifically electric pressure cooker opens and shuts and covers detection mechanism that says so.
Background
With the continuous improvement of the living standard of people, the kitchen cookers are continuously updated. The electric pressure cooker has the characteristics of rapidness, safety, energy conservation, automatic realization of various cooking modes and the like, is popular among consumers, and becomes a preferred product when the traditional pressure cooker and the electric rice cooker are upgraded and replaced.
In order to increase the safety of the electric pressure cooker, a box cover opening detection mechanism is arranged on the cooker body and used for controlling the on-off of a heating plate in the electric pressure cooker. When the cooker cover and the cooker body are completely buckled or the cooker cover is not arranged, the heating plate is allowed to be communicated by a user; when the pot cover is not screwed in place on the pot body, the heating plate is disconnected and can not be switched on by a user.
The existing electric pressure cooker mostly adopts a magnetic switch or a microswitch to detect whether an opening cover and a closing cover of the electric pressure cooker are in place or not so as to ensure the safety of the electric pressure cooker. The magnetic switch is provided with a reed switch, a Hall element, a magnet inductor and the like, but the magnetic induction elements are all strong magnets, the induction range is large, the precision is not high when the cover is opened and closed, and the error condition is easy to occur. The micro switch is mostly in integrated package, and when the micro switch is used on the electric pressure cooker, in order to prevent the micro switch from water inflow, the contact of the push rod needs to be kept away from the micro switch as far as possible by the specially-made micro switch with the long push rod, so as to avoid water inflow. But such a purpose-built microswitch would undoubtedly increase the cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome the defect that exists among the above-mentioned prior art, provide a prevent intaking and low cost's electric pressure cooker cover detection mechanism that opens and shuts.
In order to achieve the above object, the utility model discloses a following technical scheme can realize: a cover opening and closing detection mechanism of an electric pressure cooker comprises a cooker body and a cooker cover, wherein a microswitch for disconnecting a heating plate and a rotating piece for triggering the microswitch are arranged on the cooker body, the middle part of the rotating piece is hinged with the cooker body, and the microswitch is arranged on the cooker body and close to the lower end part of the rotating piece; when the pot cover is covered on the pot body and only in the process of screwing the pot cover, the outer edge of the pot cover is pressed against the upper end part of the rotating part, so that the lower end part of the rotating part 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 part is separated from the pot cover.
By adopting the technical scheme, the middle part of the rotating part is hinged with the pot body, in the process of screwing the pot cover, the pot cover touches the upper end part of the rotating part and forces the rotating part to deflect by a slight angle, the rotating part is equivalent to a lever, and the lower end part of the rotating part can deflect due to the deflection of the upper end, so that the microswitch is triggered; compared with the prior art, the rotating piece is used as the lever in the scheme, a specially-made microswitch is avoided, the cost is reduced, and the possibility of water inflow is reduced due to the fact that the rotating piece is longer.
The utility model discloses further preferred scheme does: the pot body comprises an inner container and a shell, and an upper cover is arranged on the shell; the micro switch and the rotating piece are arranged in the shell, and the upper end part of the rotating piece is exposed out of the upper end face of the upper cover.
The utility model discloses further preferred scheme does: the outer edge of the pot cover is provided with a boss, and the boss is provided with an inclined plane used for triggering the rotating piece in the screwing process. The inclined plane is added, the stress direction of the upper end parts of the lug boss and the rotating part is changed, and the stress direction is perpendicular to the force arm between the stress point and the hinge point as far as possible.
The utility model discloses further preferred scheme does: the rotating part is in a step 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 surface of the upper cover; the micro switch is arranged in the shell in an inverted mode, and a contact of the micro switch faces downwards and is located above the lower bending portion.
By adopting the technical scheme, on one hand, the rotating piece is in a step shape, so that the horizontal distance between the upper end part of the rotating piece and the microswitch is increased, and the possibility of contact with water is reduced; on the other hand, due to the action of gravity, water always flows to the lower position, the micro switch is inverted, the contact points face downwards, the water can be completely prevented from being soaked, and the waterproof effect is good.
The utility model discloses further preferred scheme does: and a mounting box for mounting the microswitch and the rotating piece is arranged in the shell, and the mounting box is fastened with the upper cover bolt.
The utility model discloses further preferred scheme does: a notch is arranged on the boss; when the pot cover is screwed, the pot teeth of the pot cover are completely meshed with the pot teeth of the pot body, and the upper end part of the rotating part is positioned in the notch. On one hand, the microswitch is prevented from being touched when the pot cover is completely buckled so as to ensure the normal work of the heating plate; on the other hand, the upper end of rotating the piece just in time is arranged in the breach, can play the guard action, avoids micro-gap switch to be touched by the mistake.
To sum up, the utility model discloses following beneficial effect has: good waterproof effect and low cost compared with the prior scheme.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a top view of the pan body;
fig. 3 is a schematic structural view of the pot lid;
FIG. 4 is a schematic structural view of the cooker cover and the cooker body when not buckled;
FIG. 5 is a schematic structural view of the cover and the body when they are fastened (not completely screwed);
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 pan body; 11. an inner container; 12. a housing; 13. a microswitch; 14. a rotating member; 15. an upper cover; 2. a pot cover; 21. a boss; 22. a bevel; 23. and (4) a notch.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
As shown in fig. 1-7, the open-close cover detection mechanism of the electric pressure cooker is shown, which comprises a cooker body 1 and a cooker cover 2.
The pan body 1 is provided with a microswitch 13 for disconnecting the heating plate and a rotating piece 14 for triggering the microswitch 13. The middle part of the rotating part 14 is hinged with the pot body 1, and the micro switch 13 is arranged on the pot body 1 and close to the lower end part of the rotating part 14.
In this embodiment, the pot body 1 comprises an inner container 11 and an outer casing 12, and an upper cover 15 is arranged on the outer casing 12. The microswitch 13 and the rotor 14 are provided on a mounting box in the housing 12, and the mounting box is bolt-fastened to the upper cover 15. A rotating member 14 having a step shape and including an upper bent portion and a lower bent portion connected to each other, the upper bent portion being exposed from the upper end surface of the housing 12; the microswitch 13 is placed upside down in the housing 12 with the contact of the microswitch 13 facing downwards and above the lower bend.
The outer edge of the cooker cover 2 is provided with a boss 21, and the boss 21 is provided with an inclined plane 22 for triggering the rotating piece 14 in the screwing process. The boss 21 is provided with a notch 23. When the teeth of the cooker cover 2 are completely meshed with the teeth of the cooker body 1, the upper end part of the rotating part 14 is rotated.
When the pot cover 2 is placed on the pot body 1 and only in the process of screwing the pot cover 2, the outer edge of the pot cover 2 is abutted against the upper end part of the rotating part 14, so that the lower end part of the rotating part 14 triggers the micro switch 13 (see fig. 5 in detail). When the pot cover 2 is screwed, the pot teeth on the pot cover 2 are completely meshed with the pot teeth on the pot body 1, and the upper end part of the rotating part 14 is positioned in the notch 23 and separated from the inclined plane 22 on the pot cover 2.
The utility model discloses operating condition as follows:
1. when the pot cover 2 is not on the pot body 1, the upper end of the rotating part 14 is not pressed, the lower end of the rotating part 14 has no acting force on the micro switch 13, the micro switch 13 (in this embodiment, the normally closed micro switch 13) is in a closed state, and the heating disc can be controlled by the operation of a user to be switched on and off.
2. When the cooker cover 2 is on the cooker body 1 or is not completely screwed in place, the upper end part of the rotating part 14 deflects under the pressure of the upper inclined surface 22 of the cooker cover 2, the rotating part 14 is equivalent to a lever, and the lower end part of the rotating part 14 deflects along with the pressure to press the microswitch 13, so that the microswitch 13 is triggered to be in an open circuit state. At this time, the heating plate is always in an open circuit and is not controlled by the operation of a user.
When the pot cover 2 is completely screwed on the pot body 1, the upper end of the rotating part 14 is positioned in the gap 23 of the pot cover 2. At this time, the upper end of the rotor 14 is not pressed, the lower end of the rotor 14 has no force on the microswitch 13, the microswitch 13 (in this embodiment, the normally closed microswitch 13) is in a closed state, and the heating panel can be turned on and off by the operation of the user.
Claims (6)
1. The utility model provides an electric pressure cooker opens and shuts and covers detection mechanism, includes pot body (1) and pot cover (2), its characterized in that: the pot body (1) is provided with a microswitch (13) for disconnecting the heating plate and a rotating piece (14) for triggering the microswitch (13), the middle part of the rotating piece (14) is hinged with the pot body (1), and the microswitch (13) is arranged on the pot body (1) close to the lower end part of the rotating piece (14); when the pot cover (2) is arranged on the pot body (1) and only in the process of screwing the pot cover (2), the outer edge of the pot cover (2) is abutted against the upper end part of the rotating part (14), so that the lower end part of the rotating part (14) triggers the micro switch (13); when 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 part (14) is separated from the pot cover (2).
2. The opening/closing cover detecting mechanism according to claim 1, characterized in that: the pot body (1) comprises an inner container (11) and a shell (12), and an upper cover (15) is arranged on the shell (12); the microswitch (13) and the rotating piece (14) are arranged in the shell (12), and the upper end part of the rotating piece (14) is exposed out of the upper end face of the upper cover (15).
3. The opening/closing cover detecting mechanism according to claim 1, characterized in that: 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) used for triggering the rotating piece (14) in the screwing process.
4. The opening/closing cover detecting mechanism according to claim 1, characterized in that: the rotating part (14) is in a step 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 surface of the upper cover (15); the microswitch (13) is arranged in the shell (12) in an inverted mode, and a contact of the microswitch (13) faces downwards and is located above the lower bending portion.
5. The opening/closing cover detecting mechanism according to claim 4, wherein: and a mounting box for mounting the microswitch (13) and the rotating piece (14) is arranged in the shell (12), and the mounting box is fastened with the upper cover (15) through bolts.
6. The opening/closing cover detecting mechanism according to claim 3, wherein: a notch (23) is arranged on the boss (21); when the pot cover (2) is screwed, the pot teeth of the pot cover (2) are completely meshed with the pot teeth of the pot body (1), and the upper end part of the rotating part (14) is positioned in the notch (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821741173.9U CN209863344U (en) | 2018-10-25 | 2018-10-25 | Electric pressure cooker cover opening and closing detection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821741173.9U CN209863344U (en) | 2018-10-25 | 2018-10-25 | Electric pressure cooker cover opening and closing detection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209863344U true CN209863344U (en) | 2019-12-31 |
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ID=68946201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821741173.9U Active CN209863344U (en) | 2018-10-25 | 2018-10-25 | Electric pressure cooker cover opening and closing detection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209863344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109276126A (en) * | 2018-10-25 | 2019-01-29 | 浙江爱仕达生活电器有限公司 | A kind of electric pressure cooking saucepan folding lid testing agency |
-
2018
- 2018-10-25 CN CN201821741173.9U patent/CN209863344U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109276126A (en) * | 2018-10-25 | 2019-01-29 | 浙江爱仕达生活电器有限公司 | A kind of electric pressure cooking saucepan folding lid testing agency |
| CN109276126B (en) * | 2018-10-25 | 2024-06-18 | 浙江爱仕达生活电器有限公司 | Cover opening and closing detection mechanism of electric pressure cooker |
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