CN215457286U

CN215457286U - Safety pressure cooker with cover opening and closing detection device

Info

Publication number: CN215457286U
Application number: CN202121357290.7U
Authority: CN
Inventors: 夏云彪; 张鸿昌; 冯国栋
Original assignee: Zhongshan Yalesi Rileosip Electric Industrial Co ltd
Current assignee: Zhongshan Yalesi Rileosip Electric Industrial Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-01-11
Anticipated expiration: 2031-06-17

Abstract

The utility model relates to the technical field of pressure cookers, in particular to a safety pressure cooker with an opening and closing cover detection device. When the cooker body and the cooker cover are closed in place, the trigger device on the cooker cover triggers the mechanical control device to control the circuit of the whole cooker to be communicated, so that the whole cooker can be heated by electrifying; when the cover is not closed in place or the cover is unscrewed, the trigger device is separated from the mechanical control device to cut off the power, and at the moment, the whole machine can not be heated, so that various safety accidents such as cover lifting, pot frying and the like caused by heating and pressure rise due to the cover being not closed in place are avoided.

Description

Safety pressure cooker with cover opening and closing detection device

Technical Field

The utility model relates to the technical field of pressure cookers, in particular to a safety pressure cooker with an opening and closing cover detection device.

Background

Traditional electric pressure cooker, because user's maloperation or production manufacturing tolerance easily lead to closing lid not in place or the lid is in half when unscrewing the state, still can heat and play the pressure, because pot body pot tooth is in half lock state with pot cover pot tooth this moment, under pressure rises to surpassing this half lock state, just can thread off when the extreme tensile strength that pot cover pot tooth or middle layer pot tooth can bear, pot cover and pot body high-speed separation or production pressure release in the twinkling of an eye under the high pressure effect, probably cause mechanical damage or cause serious scald to the user.

In the chinese patent with publication number CN203493409U, an electric pressure cooker cover opening and closing detection circuit and an electric pressure cooker with the same are disclosed, and the technical scheme is that a control chip receives a low level signal of a pin to know that a cooker body and a cooker cover of the electric pressure cooker are fastened in place. When the cover of the electric pressure cooker is separated from the cooker body, the reed switch is separated from the action of the magnetic field of the magnet, the reed switch is disconnected and the level of the pin of the control chip is changed, and the control chip knows that the cooker body and the cover of the electric pressure cooker are not buckled in place according to the high level signal of the pin and controls the electric pressure cooker to stop heating. However, in the technical scheme, the heating of the pressure cooker is controlled by adopting a control chip and a level signal judgment mode, and the possibility of safety accidents caused by continuous heating of the pressure cooker due to error reporting of an electric signal exists.

SUMMERY OF THE UTILITY MODEL

The utility model provides a safety pressure cooker with a cover opening and closing detection device to overcome the problem of insufficient safety in the prior art.

In order to solve the technical problems, the utility model adopts the technical scheme that: a safety pressure cooker with a cover opening and closing detection device comprises a cooker body and a cooker cover matched with the cooker body, wherein a mechanical control device used for controlling the on-off of a circuit of the whole cooker body is arranged on the cooker body, a trigger device used for controlling the mechanical control device is arranged on the cooker cover, and the trigger device triggers the mechanical control device to control the circuit of the whole cooker body to be communicated after the cooker cover and the cooker cover are closed in place.

In the technical scheme, when the pot body and the pot cover are closed in place, the trigger device on the pot cover is abutted against the mechanical control device on the pot body to enable the circuit of the whole machine to be in a connected state, and the whole machine can be electrified to heat. When the cover is not closed in place with the cooker body or the cover is unscrewed, the trigger device is separated from the mechanical control device, the circuit of the whole cooker is disconnected, and the whole cooker can not be heated, so that various safety accidents such as cover lifting, cooker frying and the like caused by heating and pressure lifting when the cover is not closed in place are avoided.

Preferably, the mechanical control device comprises a micro switch, a spring, a push rod and a bracket, and the micro switch, the spring and the push rod are arranged on the bracket and movably connected with each other.

Preferably, the microswitch is electrically connected with the whole machine circuit, and a heating component electrically connected with the whole machine circuit is arranged in the pressure cooker.

Preferably, the microswitch is provided with a reed which can keep the microswitch closed when being pressed.

Preferably, the spring sleeve is arranged on the push rod, a convex ring is arranged on the push rod, one end of the spring abuts against the support, and the other end of the spring abuts against the convex ring. In the technical scheme, the spring sleeved on the push rod can flick the push rod away from the microswitch when the pot cover and the pot body cover are not closed in place or the pot cover is in a unscrewing state, so that the push rod is separated from the microswitch reed, and the microswitch is disconnected.

Preferably, the mechanical control device is mounted on a middle ring of the pot body, and a through hole which is matched with the convex ring and used for preventing the push rod from falling off is arranged on the middle ring. In the technical scheme, the mechanical control device is arranged in the middle ring of the pot body, so that the possibility of collision between the mechanical control device and the outside can be reduced, and the service life of the mechanical control device is prolonged.

Preferably, one end of the push rod, which is far away from the through hole, is arranged at a position which is close to the spring plate and can press the spring plate when the pot cover and the pot body cover are closed in place.

Preferably, the trigger device is arranged on the cooker cover at a position corresponding to the mechanical control device on the middle ring, and when the cooker cover and the cooker body cover are in place, the trigger device can push the push rod to press the reed and enable the microswitch to be in a closed state. In the technical scheme, the circuit of the whole pressure cooker is triggered and kept to be communicated by closing the cooker cover and the cooker body cover in place, so that the safety of the pressure cooker can be improved, and safety accidents such as cover lifting, cooker frying and the like caused by heating of the pressure cooker under the condition of improper sealing are avoided.

Preferably, the triggering device is a cover side wall of the pot cover.

Preferably, a handle is arranged on the pot cover. In this technical scheme, the user can be safe implement the operation of closing the lid and uncapping the pot cover through the handle, avoid the scald that the pot cover after the heating caused.

Compared with the prior art, the beneficial effects are: the utility model provides a safety pressure cooker with an opening and closing cover detection device, which comprises a cooker body and a cooker cover matched with the cooker body, wherein the cooker body and the cooker cover are respectively provided with a mechanical control device and a trigger device which are matched with each other. Wherein, the mechanical control device on the middle ring of the pan body comprises a microswitch, a spring, a push rod and a bracket. When the cooker body and the cooker cover are closed in place, the side wall of the cooker cover transversely touches and pushes the push rod to enable the push rod to extrude the reed of the microswitch, so that the microswitch is in a closed connection state, and the whole cooker is electrified to heat. When the cover is not closed in place or the cover is unscrewed, the push rod is bounced off under the action of the spring force, so that the push rod is separated from the reed of the microswitch, the microswitch is switched off, and at the moment, the whole machine can not be heated, thereby avoiding various safety accidents such as cover lifting, pot frying and the like caused by heating and pressing when the cover is not closed in place.

Drawings

FIG. 1 is a schematic view of the overall structure of the pressure cooker of the present invention when the cover and the body are closed in place;

FIG. 2 is a schematic view of the entire structure of the pressure cooker of the present invention in an uncapped state;

FIG. 3 is a schematic view of the structure of the mechanical control device installed in the middle ring of the pot body;

fig. 4 is an assembly view of the components of the mechanical control device of the present invention.

Description of reference numerals:

1-pot body, 11-middle ring, 2-pot cover, 3-mechanical control device, 31-microswitch, 311-reed, 32-spring, 33-push rod, 331-convex ring, 34-bracket, 4-trigger device and 5-handle.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The technical scheme of the utility model is further described in detail by the following specific embodiments in combination with the attached drawings:

example 1

As shown in fig. 1 to 4, a safety pressure cooker with an open-close cover detection device comprises a cooker body 1 and a cooker cover 2 matched with the cooker body 1, wherein the cooker body 1 is provided with a mechanical control device 3 for controlling the on-off of a circuit of the whole cooker, the cooker cover 2 is provided with a trigger device 4 for controlling the mechanical control device 3, and the trigger device 4 triggers the mechanical control device 3 to control the circuit of the whole cooker to be communicated after the cooker cover 2 is covered in place with the cooker body 1.

In the embodiment, when the pot body 1 and the pot cover 2 are closed in place, the trigger device 4 on the pot cover 2 is abutted against the mechanical control device 3 on the pot body 1 to enable the circuit of the whole machine to be in a connected state, and at the moment, the whole machine is electrified to heat. When the cover 2 is not closed in place with the pot body 1 or the cover 2 is unscrewed, the trigger device 4 is separated from the mechanical control device 3, the circuit of the whole machine is disconnected at the moment, and the whole machine can not be heated, so that various safety accidents such as cover lifting, pot frying and the like caused by heating and pressing when the cover is not closed in place are avoided.

The mechanical control device 3 comprises a microswitch 31, a spring 32, a push rod 33 and a bracket 34, wherein the microswitch 31, the spring 32 and the push rod 33 are arranged on the bracket 34 and are movably connected with each other.

In addition, the microswitch 31 is electrically connected with the whole circuit, and a heating component electrically connected with the whole circuit is arranged in the pressure cooker.

The microswitch 31 is provided with a reed 311 which can keep the microswitch 31 closed when being pressed.

The spring 32 is fitted over the push rod 33, the push rod 33 is provided with a collar 331, one end of the spring 32 abuts against the bracket 34, and the other end of the spring 32 abuts against the collar 331. In this embodiment, the spring 32 sleeved on the push rod 33 can bounce the push rod 33 away from the micro switch 31 when the lid 2 is not covered in place with the pot body 1 or the lid 2 is in a state of being unscrewed, so that the push rod 33 is separated from the reed 311 of the micro switch 31, and the micro switch 31 is turned off.

Wherein, the mechanical control device 3 is arranged on the middle ring 11 of the pan body 1, and the middle ring 11 is provided with a through hole which is matched with the convex ring 331 and used for preventing the push rod 33 from being separated. In this embodiment, the mechanical control device 3 is installed in the middle ring 11 of the pot body 1, so that the possibility of collision between the mechanical control device 3 and the outside can be reduced, and the service life of the pot body is prolonged.

In addition, the end of the push rod 33 far away from the through hole is arranged at a position close to the spring leaf 311 and capable of pressing the spring leaf 311 when the pot cover 2 is covered with the pot body 1.

The trigger device 4 is arranged on the cooker cover 2 corresponding to the position of the mechanical control device 3 on the middle ring 11, and when the cooker cover 2 and the cooker body 1 are covered in place, the trigger device 4 can push the push rod 33 to press the reed 311 and make the microswitch 31 in a closed state. In the embodiment, the circuit of the whole pressure cooker is triggered and kept to be communicated by covering the cooker cover 2 and the cooker body 1 in place, so that the safety of the pressure cooker can be improved, and safety accidents such as cover lifting, pot frying and the like caused by heating of the pressure cooker under the condition that the cooker cover 2 is not buckled in place are avoided.

In addition, the triggering device 4 is a cover side wall of the pot cover 2.

Wherein, the pot cover 2 is provided with a handle 5. In this embodiment, the user can be safe implement the operation of closing the lid and uncapping pot cover 2 through handle 5, avoid the scald that pot cover 2 after the heating caused.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a safe pressure cooker with open and shut and cover detection device, includes the pot body (1) and with pot body (1) matched with pot cover (2), its characterized in that: the pot body (1) is provided with a mechanical control device (3) used for controlling the on-off of a whole circuit, the pot cover (2) is provided with a trigger device (4) used for controlling the mechanical control device (3), and the trigger device (4) triggers the mechanical control device (3) to control the whole circuit to be communicated after the pot cover (2) and the pot body (1) are covered in place.

2. A safety pressure cooker with a device for detecting whether the cover is opened or closed according to claim 1, wherein: the mechanical control device (3) comprises a microswitch (31), a spring (32), a push rod (33) and a support (34), wherein the microswitch (31), the spring (32) and the push rod (33) are arranged on the support (34) and are movably connected with each other.

3. A safety pressure cooker with a device for detecting whether the cover is opened or closed according to claim 2, wherein: the microswitch (31) is electrically connected with the whole machine circuit, and a heating component electrically connected with the whole machine circuit is arranged in the pressure cooker.

4. A safety pressure cooker with a device for detecting whether the cover is opened or closed according to claim 2, wherein: the spring (32) is sleeved on the push rod (33), a convex ring (331) is arranged on the push rod (33), one end of the spring (32) is abutted on the support (34), and the other end of the spring (32) is abutted on the convex ring (331).

5. A safety pressure cooker with a device for detecting whether the cover is opened or closed according to claim 2, wherein: the microswitch (31) is provided with a reed (311) which can keep the microswitch (31) closed when being extruded.

6. A safety pressure cooker with a device for detecting whether the cover is opened or closed according to claim 4, wherein: the mechanical control device (3) is arranged on a middle ring (11) of the pot body (1), and a through hole which is matched with the convex ring (331) and used for preventing the push rod (33) from coming off is arranged on the middle ring (11).

7. A safety pressure cooker with a device for detecting whether the cover is opened or closed according to claim 6, wherein: one end of the push rod (33) far away from the through hole is arranged at a position close to the reed (311) and capable of extruding the reed (311) when the pot cover (2) and the pot body (1) are covered in place.

8. A safety pressure cooker with a device for detecting whether the cover is opened or closed according to claim 7, wherein: the trigger device (4) is arranged on the pot cover (2) and corresponds to the position of the mechanical control device (3) on the middle ring (11), and when the pot cover (2) and the pot body (1) are covered in place, the trigger device (4) can push the push rod (33) to extrude the reed (311) and enable the microswitch (31) to be in a closed state.

9. A safety pressure cooker with a device for detecting whether the cover is opened or closed according to claim 8, wherein: the triggering device (4) is a cover side wall of the pot cover (2).

10. A safety pressure cooker with a device for detecting whether the cover is opened or closed according to claim 9, wherein: the pot cover (2) is provided with a handle (5).