CN217137516U

CN217137516U - Quick pressure relief device of electric pressure cooker

Info

Publication number: CN217137516U
Application number: CN202220433148.4U
Authority: CN
Inventors: 郝晋兵
Original assignee: Shenzhen Greda Industry Co ltd
Current assignee: Shenzhen Greda Industry Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-09
Anticipated expiration: 2032-02-28

Abstract

The application provides a quick pressure relief device of an electric pressure cooker, which comprises a base body, a spring and a sliding rod; the substrate is provided with a first cavity and a second cavity communicated with the first cavity; the spring is arranged in the first cavity; the first end of the sliding rod is arranged in the first cavity in a sliding mode and is abutted to the spring; the second end of the sliding rod is arranged in the second cavity in a sliding mode; when the spring is in a static state, the end surface of the second end of the sliding rod seals a pressure relief hole in the cooker cover; and the side wall of the second cavity is provided with a plurality of stages of air outlet holes. The multi-stage air outlet holes are formed in the second cavity of the base body, so that the pressure can be released in time when the air pressure value in the electric pressure cooker exceeds the working air pressure, and the use safety of the electric pressure cooker is ensured; moreover, the aperture of the air outlet hole far away from the cooker cover is gradually increased, so that the pressure cooker can be subjected to graded pressure relief, and meanwhile, the working air pressure in the pressure cooker can be ensured to be kept all the time.

Description

Quick pressure relief device of electric pressure cooker

Technical Field

The utility model relates to the technical field of electric pressure cookers, in particular to a quick pressure relief device of an electric pressure cooker.

Background

The electric pressure cooker is a common household appliance in daily life and can be used for cooking rice, soup and the like. Because the electric pressure cooker realizes the cooking function by heating water in the cooker, when the pressure in the cooker is overlarge, the pressure needs to be released in time, otherwise, potential safety hazards are easily caused.

The conventional pressure relief device of the electric pressure cooker has a complex structure and poor pressure relief effect, and generally has only a single pressure relief opening, so that the gas stamping is large, and hidden dangers can be caused.

SUMMERY OF THE UTILITY MODEL

Based on this, the embodiment of the utility model provides a quick pressure relief device of electric pressure cooker aims at solving current electric pressure cooker pressure relief device structure complicacy, and the pressure release effect is relatively poor, and only single pressure release mouth usually moreover for gas punching press is great, also can cause the problem of hidden danger.

In order to achieve the above object, the utility model provides a following technical scheme:

a quick pressure relief device of an electric pressure cooker comprises a base body, a spring and a sliding rod; the substrate is provided with a first cavity and a second cavity communicated with the first cavity; the spring is arranged in the first cavity; the first end of the sliding rod is arranged in the first cavity in a sliding mode and is abutted to the spring; the second end of the sliding rod is arranged in the second cavity in a sliding mode; when the spring is in a static state, the end surface of the second end of the sliding rod seals a pressure relief hole in the cooker cover; and the side wall of the second cavity is provided with a plurality of stages of air outlet holes.

Furthermore, the air outlet holes comprise a first-stage air outlet hole, a second-stage air outlet hole and a third-stage air outlet hole which are arranged from top to bottom; the aperture of the first-stage air outlet, the aperture of the second-stage air outlet and the aperture of the third-stage air outlet are reduced in sequence.

Further, the diameter of the second cavity is larger than that of the pressure relief hole of the pot cover.

Further, the second end face of the sliding rod is provided with a rubber sealing layer.

Furthermore, a protective cover is sleeved on the outer side of the base body; a buffer cavity is formed between the protective cover and the base body.

Further, a plurality of meshes are arranged on the protective cover.

Further, the diameter of the mesh openings is 2mm-4 mm.

Further, the base body is rigidly fixed on the pot cover through a connecting piece.

Further, the connecting piece is a screw.

The utility model provides a quick pressure relief device of an electric pressure cooker, which can relieve pressure in time when the air pressure value in the electric pressure cooker exceeds the working air pressure by arranging a plurality of air outlets on the second cavity of the base body, thereby ensuring the use safety of the electric pressure cooker; moreover, the aperture of the air outlet hole far away from the cooker cover is gradually increased, so that the pressure cooker can be subjected to graded pressure relief, and meanwhile, the working air pressure in the pressure cooker can be ensured to be kept all the time. Through setting up the protection casing that has the mesh, discharge from the mesh after the gas outlet hole that passes through as the pressure release, can shunt effectively, reduce gaseous punching press, further prevented the hidden danger that high temperature gas caused.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic diagram of a longitudinal sectional view structure of a quick pressure relief device of an electric pressure cooker according to an embodiment of the present invention.

The realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front, back, top and bottom … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It will be understood that when an element is referred to as being "secured to" or "disposed on" 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 addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

In order to solve the technical problem, the embodiment of the utility model provides an electric pressure cooker quick pressure relief device.

As shown in fig. 1, the quick pressure relief device of the electric pressure cooker comprises a base body 1, a spring 2 and a sliding rod 3; the substrate 1 is provided with a first cavity 11 and a second cavity 12 communicated with the first cavity 11; the spring 2 is arranged in the first cavity 11; the first end of the sliding rod 3 is arranged in the first cavity 11 in a sliding manner and is abutted against the spring 2; the second end of the sliding rod 3 is arranged in the second cavity 12 in a sliding manner; when the spring 2 is in a static state, the second end surface of the sliding rod 12 seals a pressure relief hole 41 on the cooker cover 4; the side wall of the second cavity 12 is provided with a plurality of stages of air outlets 121. It can be understood that when the pressure value in the cooker exceeds the working pressure, the sliding rod 3 will move upwards and compress the spring 2, so that the decompression gas can be discharged outwards through the multi-stage gas outlet holes 121; the cooperation between multistage venthole 121 and the spring 2 is used, can carry out effective pressure release when guaranteeing the work atmospheric pressure of pressure cooker, guarantees the safe in utilization of pressure cooker.

In some embodiments, the air outlets 121 include a primary air outlet 1211, a secondary air outlet 1212, and a tertiary air outlet 1213 arranged from top to bottom; the diameters of the primary air outlet 1211, the secondary air outlet 1212 and the tertiary air outlet 1213 are reduced in sequence. It can be understood that when the pressure in the cooker exceeds the working pressure, the sliding rod 3 rises to compress the spring 2, and when the pressure relief requirement of the pressure cooker is small, the second end of the sliding rod 3 rises to between the third-stage air outlet hole 1213 and the second-stage air outlet hole 1212, and at this time, the pressure relief air can be discharged only through the third-stage air outlet hole 1213; along with the gradual increase of the air pressure in the pressure cooker, the sliding rod 3 will gradually rise, and the pressure relief air will also be discharged through the secondary air outlet 1212 and the primary air outlet 1211; when the spring 2 is at the maximum compression, the gas can be discharged from any gas outlet hole 121, and the pressure is released in time.

In some embodiments, the diameter of the second cavity 12 is larger than the diameter of the pressure relief hole 41 of the lid 4. It will be appreciated that this ensures that the pressure relief vent is sufficiently vented through the second cavity 12.

In some embodiments, the second end surface of the sliding rod 3 is provided with a rubber sealing layer (not labeled). It can be understood that the air tightness in the pan can be ensured after the rubber sealing layer is abutted with the air leakage hole 141.

In some embodiments, a protective cover 5 is further sleeved on the outer side of the base body 1; a buffer cavity 51 is formed between the protective cover 5 and the base body 1. It can be understood that, when the pressure relief gas reaches the air outlet 12 from the pressure relief hole 41, the temperature is still high, and if the pressure relief gas is directly exhausted, a potential safety hazard exists; and this application sets up buffer chamber 51, can make gaseous cooling of carrying out certain time in buffer chamber to discharge after shunting.

In some embodiments, the shield 5 is provided with a plurality of mesh openings 52. It can be understood that the areas of the protection cover 5 corresponding to the buffer cavities 51 are all provided with meshes 52, so as to facilitate pressure relief.

In some embodiments, the mesh 52 has a diameter of 2mm to 4 mm. It can be understood that the diameter of the mesh 52 is preferably 3mm, which not only can ensure the pressure relief effect, but also can effectively shunt the pressure-relieved gas and reduce the gas stamping.

In some embodiments, the base 1 is rigidly fixed to the lid 4 by means of a connecting element 6. It will be appreciated that the connector 6 may be removable to facilitate mounting or dismounting of the substrate.

In some embodiments, the connecting member 6 is a screw. It can be understood that the base body can be firmly fixed on the pot cover by using screws to ensure normal use.

The embodiment of the utility model provides a quick pressure relief device of an electric pressure cooker, which is characterized in that a plurality of air outlet holes 121 are arranged on a second cavity 12 of a base body 1, so that the pressure can be relieved in time when the air pressure value in the electric pressure cooker exceeds the working air pressure, and the use safety of the electric pressure cooker is ensured; moreover, the aperture of the air outlet 121 far away from the cooker cover 4 is gradually increased, so that the pressure cooker can be subjected to graded pressure relief, and meanwhile, the working air pressure in the pressure cooker can be always kept. Through setting up the protection casing 5 that has mesh 52, discharge from mesh 52 after the gas that lets out the pressure through venthole 121, can shunt effectively, reduce gaseous punching press, further prevented the hidden danger that high temperature gas caused.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the patent scope of the utility model, all be in the utility model discloses a under the design, utilize the equivalent structure transform of what the content of the description and the attached drawing was done, or direct/indirect application all includes in other relevant technical field the utility model discloses a patent protection is within range.

Claims

1. A quick pressure relief device of an electric pressure cooker is characterized by comprising a base body, a spring and a sliding rod; the substrate is provided with a first cavity and a second cavity communicated with the first cavity; the spring is arranged in the first cavity; the first end of the sliding rod is arranged in the first cavity in a sliding mode and is abutted to the spring; the second end of the sliding rod is arranged in the second cavity in a sliding mode; when the spring is in a static state, the end surface of the second end of the sliding rod seals a pressure relief hole in the cooker cover; and the side wall of the second cavity is provided with a plurality of stages of air outlet holes.

2. The quick pressure relief device of the electric pressure cooker as claimed in claim 1, wherein the air outlets comprise a first level air outlet, a second level air outlet and a third level air outlet from top to bottom; the aperture of the first-stage air outlet, the aperture of the second-stage air outlet and the aperture of the third-stage air outlet are reduced in sequence.

3. The quick pressure relief device of an electric pressure cooker as claimed in claim 1, wherein the diameter of said second cavity is larger than the diameter of the pressure relief hole of said cover.

4. The quick pressure relief device of an electric pressure cooker as claimed in claim 1, wherein the second end face of the sliding rod is provided with a rubber sealing layer.

5. The quick pressure relief device of the electric pressure cooker according to claim 1, wherein a protective cover is sleeved on the outer side of the base body; a buffer cavity is formed between the protective cover and the base body.

6. The quick pressure relief device of an electric pressure cooker as claimed in claim 5, wherein the protective cover is provided with a plurality of meshes.

7. The quick pressure relief device of an electric pressure cooker as claimed in claim 6, wherein the diameter of said mesh is 2mm-4 mm.

8. The quick pressure relief device of an electric pressure cooker as recited in claim 1, wherein said base is rigidly secured to said cover by a connector.

9. The quick pressure relief device of an electric pressure cooker as recited in claim 8, wherein said connecting member is a screw.