CN210276864U

CN210276864U - Quick pressure relief device of pressure cooker and pressure cooker

Info

Publication number: CN210276864U
Application number: CN201920424790.4U
Authority: CN
Inventors: 董守才; 温演涛; 梁忠洪
Original assignee: DEA General Aviation Holding Co Ltd
Current assignee: Yilipu Group Co ltd
Priority date: 2019-04-01
Filing date: 2019-04-01
Publication date: 2020-04-10
Anticipated expiration: 2029-04-01

Abstract

The utility model relates to a quick pressure relief device and pressure cooker of pressure cooker, wherein, the quick pressure relief device of this pressure cooker includes: a liquid storage tank; the delivery pipe is provided with a steam inlet, a steam outlet and a delivery passage for communicating the steam inlet with the steam outlet, the steam inlet is used for being communicated with a cooking cavity of the pressure cooker, the steam outlet is communicated with the liquid storage tank, and high-temperature steam in the cooking cavity can exchange heat with liquid stored in the liquid storage tank through the delivery passage; and the control valve is arranged on the conveying pipe and used for opening or closing the conveying channel. The utility model discloses pressure cooker's quick pressure relief device can effectively avoid high temperature high pressure steam to spout and hinder the user, still can effectively avoid steam to splash and make dirty pot body and table surface simultaneously to guarantee the security and the cleanliness factor of whole pressure release process.

Description

Quick pressure relief device of pressure cooker and pressure cooker

Technical Field

The utility model relates to a cooking utensil technical field especially relates to a quick pressure relief device and pressure cooker of pressure cooker.

Background

Pressure cooker is comparatively the cooking utensil commonly used in daily life, and traditional pressure cooker is in accomplishing the culinary art back, because its pressure is higher in the pot, the user can't directly open the pot cover, need carry out the pressure release of exhausting to it through discharge valve. In the process of exhausting the pressure cooker, the defect that high-temperature steam splashes to injure a user exists, and certain potential safety hazards exist; meanwhile, the high-temperature steam splashed by the exhaust valve can also pollute the pressure cooker and the working table, which is not beneficial to the cleaning of users.

SUMMERY OF THE UTILITY MODEL

Therefore, the pressure cooker and the rapid pressure relief device for the pressure cooker need to be provided for solving the problems that high-temperature steam is splashed to easily injure users and pollute the pressure cooker and a working table top in the exhaust process of the traditional pressure cooker.

A rapid pressure relief device for a pressure cooker, comprising:

a liquid storage tank;

the delivery pipe is provided with a steam inlet, a steam outlet and a delivery passage for communicating the steam inlet with the steam outlet, the steam inlet is used for being communicated with a cooking cavity of the pressure cooker, the steam outlet is communicated with the liquid storage tank, and high-temperature steam in the cooking cavity can exchange heat with liquid stored in the liquid storage tank through the delivery passage; and

and the control valve is arranged on the conveying pipe and used for opening or closing the conveying channel.

The quick pressure relief device of the pressure cooker can be applied to the pressure cooker to realize safe and quick pressure relief. Specifically, in the culinary art in-process, transfer passage is in the closed condition and can normally carry out high-pressure cooking in order to guarantee the pressure cooker, and after the culinary art was accomplished, opens transfer passage through the control valve, and the high temperature high pressure steam of culinary art intracavity can be from the steam inlet entering transfer passage in to from steam exhaust port blowout to the liquid reserve tank in, hold a certain amount of cryogenic liquids in the liquid reserve tank in advance, high temperature high pressure steam and cryogenic liquids contact and can take place heat exchange, so that high temperature high pressure steam cools off the step-down fast. Above-mentioned whole pressure release process goes on in the liquid reserve tank, so, can effectively avoid high temperature high pressure steam to spout and hinder the user, still can effectively avoid steam to splash and make dirty pressure cooker and table surface simultaneously to guarantee the security and the cleanliness factor of whole pressure release process.

In one embodiment, the control valve is a manual control valve.

In one embodiment, the manual control valve comprises a valve body and a control handle movably connected with the valve body, the valve body is arranged on the conveying pipe, and the control handle is used for controlling the valve body to be opened or closed.

In one embodiment, the control valve is an automatic control valve that automatically opens or closes the delivery passage.

In one embodiment, the automatic control valve is a solenoid valve.

In one embodiment, the steam outlet is arranged above the liquid level in the liquid storage tank.

In one embodiment, a containing cavity for containing liquid is formed in the liquid storage box, the top of the containing cavity is open, a baffle is arranged in the liquid storage box, the baffle partially covers the open end of the containing cavity, and the steam exhaust port is located above the baffle.

The utility model provides a pressure cooker, includes the pot body, pot cover and as above pressure cooker's quick pressure relief device, the internal culinary art chamber that is formed with of pot, the conveyer pipe install in on the pot cover, the liquid reserve tank install in on the pot body.

In one embodiment, the liquid storage tank is installed on the lateral part of the pot body, the top of the liquid storage tank is arranged in an open mode, the conveying pipe comprises a steam inlet pipe section, a steam delivery pipe section and a steam exhaust pipe section which are sequentially communicated, the steam delivery pipe section is horizontally arranged, the steam inlet pipe section is bent downwards from one end of the steam delivery pipe section and extends into the cooking cavity, and the steam exhaust pipe section is bent downwards from the other end of the steam delivery pipe section and extends into the liquid storage tank.

In one embodiment, the steam delivery pipe section is arranged in a straight pipe extending along a straight line.

Drawings

Fig. 1 is a schematic structural view of a rapid pressure relief device of a pressure cooker according to an embodiment of the present invention;

fig. 2 is a schematic view of an internal cross-sectional structure of a pressure cooker according to an embodiment of the present invention;

fig. 3 is a schematic view of an internal cross-sectional structure of a pressure cooker according to another embodiment of the present invention.

10. The device comprises a liquid storage box, 101, a containing cavity, 11, a baffle plate, 20, a delivery pipe, 201, a delivery passage, 21, a steam inlet pipe section, 211, a steam inlet, 22, a steam delivery pipe section, 23, a steam exhaust pipe section, 231, a steam exhaust port, 30, a control valve, 31, a valve body, 32, a control handle, 40, a pot body, 401, a cooking cavity, 50 and a pot cover.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present.

Referring to fig. 1 to 3, a fast pressure relief device for a pressure cooker includes a liquid storage tank 10, a delivery pipe 20 and a control valve 30, wherein the liquid storage tank 10 is used for containing a normal temperature or low temperature liquid for exchanging heat with high temperature and high pressure steam, for example, a certain amount of aqueous solution can be contained in the liquid storage tank 10. The delivery pipe 20 is provided with a steam inlet 211, a steam outlet 231 and a delivery channel 201 for communicating the steam inlet 211 with the steam outlet 231, the steam inlet 211 is used for communicating with a cooking cavity 401 of the pressure cooker, the steam outlet 231 is communicated with the liquid storage box 10, and high-temperature steam in the cooking cavity 401 can exchange heat with liquid stored in the liquid storage box 10 through the delivery channel 201; a control valve 30 is provided on the delivery pipe 20 for opening or closing the delivery passage 201, wherein the control valve 30 may be set as a manual control valve or an automatic control valve according to actual requirements.

The quick pressure relief device of the pressure cooker can be applied to the pressure cooker to realize safe and quick pressure relief. Specifically, in the cooking process, the conveying channel 201 is in a closed state to ensure that the pressure cooker can normally perform high-pressure cooking, after the cooking is completed, the conveying channel 201 is opened through the control valve 30, high-temperature high-pressure steam in the cooking cavity 401 can enter the conveying channel 201 from the steam inlet 211 and can be sprayed out of the steam outlet 231 into the liquid storage box 10, a certain amount of low-temperature liquid is pre-contained in the liquid storage box 10, and the high-temperature high-pressure steam is in contact with the low-temperature liquid to generate heat exchange, so that the high-temperature high-pressure steam is rapidly cooled and depressurized. Above-mentioned whole pressure release process goes on in liquid reserve tank 10, so, can effectively avoid high temperature high pressure steam to spout and hinder the user, still can effectively avoid steam to splash and make dirty pressure cooker and table surface simultaneously to guarantee the security and the cleanliness factor of whole pressure release process.

In one embodiment, the control valve 30 is a manual control valve. When pressure relief is needed, the user can open or close the conveying channel 201 by manually operating the control valve 30, the operation is simple and convenient, and the production cost is low.

Further, referring to fig. 1, the manual control valve includes a valve body 31 and a control handle 32 movably connected to the valve body 31, the valve body 31 is disposed on the delivery pipe 20, and the control handle 32 is used for controlling the valve body 31 to open or close. Specifically, the control handle 32 is rotatably connected to the valve body 31, and the valve body 31 is opened or closed by rotating the control handle 32, thereby controlling the opening or closing of the conveying passage 201. In other embodiments, the control handle 32 is slidably connected to the valve body 31, and the valve body 31 can be opened or closed by pressing the control handle 32.

In another embodiment, the control valve 30 is an automatic control valve that automatically opens or closes the delivery passage 201. The automatic control valve may be specifically an electric valve, a pneumatic valve, or an electromagnetic valve. By arranging the control valve 30 as an automatic control valve, an automatic pressure relief of the pressure cooker is achieved. Preferably, the automatic control valve is a solenoid valve.

Generally, if the exhaust port 231 is directly introduced into the liquid, harsh vibration noise will be generated. To reduce noise, the steam exhaust port 231 is provided above the liquid level of the liquid in the reservoir 10. By arranging the steam outlet 231 above the liquid level, high-temperature and high-pressure steam is blown out from the steam outlet 231 of the conveying pipe 20 and then is blown on the liquid level (for example, the water level) for heat exchange, so that the steam forms liquid water and drops into the liquid storage tank 10, thereby reducing partial steam, effectively reducing noise and achieving the purpose of releasing steam in a rapid and silent manner.

Further, be formed with the appearance chamber 101 that is used for holding liquid in the liquid reserve tank 10, hold the chamber 101 top and be uncovered setting, be equipped with baffle 11 in the liquid reserve tank 10, the baffle 11 part covers the open end that holds chamber 101, and steam vent 231 is located the top of baffle 11. Specifically, high temperature high pressure steam takes place to carry out the heat exchange to the liquid level via baffle 11 water conservancy diversion after exhaust port 231 spouts to effectively reduce high temperature steam's temperature, liquid reserve tank 10 still can retrieve high temperature steam simultaneously, prevents that steam from splashing. In addition, after the high-temperature steam is blown on the liquid surface for heat exchange, part of the steam is emitted into the air, and the steam emitted into the air is low-temperature gas.

Referring to fig. 2 and 3, the present invention further provides a pressure cooker, which includes a cooker body 40, a cooker cover 50 and the above pressure cooker's rapid pressure relief device, wherein a cooking cavity 401 is formed in the cooker body 40, a delivery pipe 20 is installed on the cooker cover 50, and a liquid storage tank 10 is installed on the cooker body 40.

Specifically, a cooking cavity 401 for cooking is formed in the pot body 40, the pot cover 50 covers the top of the cooking cavity 401, the delivery pipe 20 is installed on the pot cover 50, and the liquid storage tank 10 can be installed at the side or bottom of the pot body 40. For example, as shown in fig. 2 and 3, the pot cover 50 is hollow, the delivery pipe 20 is installed inside the pot cover 50, one end of the delivery pipe 20 penetrates through the pot cover 50 and is communicated with the cooking cavity 401, and the other end of the delivery pipe 20 penetrates through the pot cover 50 and is communicated with the liquid storage tank 10, so that the overall structure is compact, and the specific structure and length of the delivery pipe 20 can be set according to actual requirements. The specific structure of the rapid pressure relief device of the pressure cooker can refer to the above embodiment, and as the pressure cooker adopts all the technical schemes of the above embodiment, the pressure cooker at least comprises all the beneficial effects brought by the above embodiment, which are not repeated herein.

Further, the liquid storage tank 10 is installed on the side portion of the pot body 40, the top portion of the liquid storage tank 10 is open, the conveying pipe 20 comprises a steam inlet pipe section 21, a steam delivery pipe section 22 and a steam exhaust pipe section 23 which are sequentially communicated, the steam delivery pipe section 22 is horizontally arranged, the steam inlet pipe section 21 is bent downwards from one end of the steam delivery pipe section 22 and extends into the cooking cavity 401, and the steam exhaust pipe section 23 is bent downwards from the other end of the steam delivery pipe section 22 and extends into the liquid storage tank 10. As shown in fig. 2 and 3, the liquid storage tank 10 is installed on the back of the pot body 40, and the air inlet pipe section can be arranged far away from the water tank, at this time, the length of the delivery pipe 20 is long; alternatively, the intake pipe section may be located close to the tank, so that the length of the delivery pipe 20 may be reduced accordingly. The steam delivery pipe section 22 can be arranged into a linear type pipe or a curve type pipe according to actual requirements.

Preferably, steam delivery pipeline section 22 is along the straight tube setting of straight line extension, so, can reduce the transport resistance of high temperature high pressure steam for high temperature high pressure steam can carry fast and carry out the heat exchange in liquid reserve tank 10, with further accelerate the pressure release speed.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A quick pressure relief device for a pressure cooker, comprising:

a liquid storage tank;

2. The apparatus as claimed in claim 1, wherein the control valve is a manual control valve.

3. The device as claimed in claim 2, wherein the manual control valve comprises a valve body and a control handle movably connected to the valve body, the valve body is disposed on the delivery pipe, and the control handle is used for controlling the valve body to open or close.

4. The apparatus as claimed in claim 1, wherein the control valve is an automatic control valve, and the automatic control valve can automatically open or close the delivery passage.

5. The apparatus for rapid pressure relief of a pressure cooker as claimed in claim 4, wherein said automatic control valve is a solenoid valve.

6. The device as claimed in any one of claims 1 to 5, wherein the steam outlet is disposed above the liquid level of the liquid in the liquid storage tank.

7. The pressure relief device for pressure cooker as claimed in claim 6, wherein a cavity for containing liquid is formed in said liquid storage tank, the top of said cavity is open, a baffle is disposed in said liquid storage tank, said baffle partially covers the open end of said cavity, and said steam outlet is located above said baffle.

8. A pressure cooker, comprising a cooker body, a cooker cover and the pressure cooker pressure relief device as claimed in any one of claims 1 to 7, wherein a cooking cavity is formed in the cooker body, the delivery pipe is mounted on the cooker cover, and the liquid storage tank is mounted on the cooker body.

9. The pressure cooker according to claim 8, wherein the liquid storage tank is mounted on a side portion of the cooker body, a top portion of the liquid storage tank is open, the delivery pipe comprises a steam inlet pipe section, a steam delivery pipe section and a steam exhaust pipe section which are sequentially communicated, the steam delivery pipe section is horizontally arranged, the steam inlet pipe section is bent downwards from one end of the steam delivery pipe section and extends into the cooking cavity, and the steam exhaust pipe section is bent downwards from the other end of the steam delivery pipe section and extends into the liquid storage tank.

10. The pressure cooker of claim 9, wherein said steam delivery segment is configured as a straight tube extending in a straight line.