CN220293432U

CN220293432U - Pressure release valve of pressure cooker

Info

Publication number: CN220293432U
Application number: CN202321845157.5U
Authority: CN
Inventors: 董伯琦; 董西志
Original assignee: Yuhuan Quanli Machinery Co ltd
Current assignee: Yuhuan Quanli Machinery Co ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-01-05
Anticipated expiration: 2033-07-13

Abstract

The utility model discloses a pressure release valve of a pressure cooker, which belongs to the technical field of pressure cooker accessories and has the technical scheme that: including valve body, valve gap and case, valve body and valve gap connection are provided with the silica gel disk seat in the valve body, and the case adopts metal material to make, and the case can the joint in the silica gel disk seat, has seted up the gas vent on the valve gap, is provided with the air inlet on the silica gel disk seat, and the air inlet can be linked together with the gas vent, and the case can cut off air inlet and gas vent, and the case of this relief valve adopts metal material to make, and the wearability is better, and the slip lug on the case lateral wall is difficult for wearing and tearing to avoid leading to the leakproofness of pressure cooker to worsen because of the slip lug wearing and tearing on the case, guarantee that the case is effectual cuts off air inlet and gas vent.

Description

Pressure release valve of pressure cooker

Technical Field

The utility model belongs to the technical field of pressure cooker accessories, and particularly relates to a pressure cooker pressure release valve.

Background

Along with the improvement of living standard, pressure cooker has been popularized in daily life, but pressure cooker is easy to take place to explode the pot because of using improperly, has serious potential safety hazard, in order to solve this problem, the manufacturer designs and sets up the relief valve on the pot cover, and when the exhaust hole of pressure cooker pressure limiting valve is because unexpected jam, after the atmospheric pressure in the pot exceeded pressure cooker's operating pressure, the relief valve opened makes the gaseous discharge in the pot.

The Chinese patent with the publication number of CN211324350U discloses a pressure cooker pressure release valve, which comprises a valve cover, wherein an exhaust cavity and a sliding through hole are arranged in the valve cover, and an exhaust hole is arranged on the side wall of the exhaust cavity; the valve seat is fixedly connected with the valve cover, and an air inlet cavity is arranged in the valve seat; the exhaust cavity is communicated with the air inlet cavity to form a valve cavity; the silica gel valve core is arranged in the valve cavity, and a clamping structure is arranged between the silica gel valve core and the valve seat; the clamping structure comprises a clamping cavity arranged on the silica gel valve core and a clamping limiting arm arranged on the valve seat; limiting wings and sliding protruding blocks are respectively arranged on the upper side and the lower side of the clamping cavity.

The technical scheme has the following defects: the silica gel valve core of the pressure cooker pressure release valve is arranged in the valve cavity and used for controlling the opening and closing of pressure release, when the pressure in the pressure cooker reaches a certain pressure value, the silica gel valve core is jacked up, so that a channel for gas circulation is arranged between the exhaust cavity and the air inlet cavity, the pressure release of the pressure cooker is realized, after the pressure release is finished, when the silica gel valve core is reset, the silica gel valve core is pressed downwards, the air inlet cavity and the exhaust cavity are separated, and the pressure cooker is sealed; however, as the silica gel valve core is made of silica gel, the sliding lug on the silica gel valve core is easy to wear due to the characteristic of the silica gel material along with the increase of the service time, so that the sealing performance of the pressure cooker is poor.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a pressure release valve of a pressure cooker, which aims to solve the technical problems that: how to avoid the poor tightness of the pressure cooker caused by the abrasion of the sliding lug on the valve core.

The technical aim of the utility model can be achieved by the following technical scheme: the utility model provides a pressure cooker relief valve, includes valve body, valve gap and case, the valve body with the valve gap is connected, be provided with the silica gel disk seat in the valve body, the case adopts metal material to make, the case can the joint in the silica gel disk seat, the gas vent has been seted up on the valve gap, be provided with the air inlet on the silica gel disk seat, the air inlet can with the gas vent is linked together, the case can with the air inlet with the gas vent cuts off.

In the pressure cooker pressure release valve, the inner side wall of the silica gel valve seat is provided with the connecting groove, the side wall of the valve core is provided with the sliding lug, and the sliding lug can be clamped in the connecting groove.

In the pressure cooker pressure release valve, the inner side wall of the valve body is provided with the positioning protrusion, the outer side wall of the silica gel valve seat is provided with the positioning groove, and the positioning protrusion can be clamped in the positioning groove.

In the pressure cooker pressure release valve, the valve body is in threaded connection with the valve cover.

In the pressure cooker pressure release valve, a plurality of exhaust ports are uniformly distributed along the circumference of the valve cover, and the exhaust ports are gradually enlarged from inside to outside.

In the pressure cooker pressure release valve, the valve cover is provided with the guide hole, and the valve core is slidably arranged in the guide hole.

In the pressure cooker pressure release valve, the valve body is internally provided with the step, and the end part of the silica gel valve seat can be propped against the step surface of the step.

In the pressure cooker pressure release valve, the two ends of the silica gel valve seat are respectively provided with the first guide surface and the second guide surface.

In the pressure release valve of the pressure cooker, a gap for accommodating the cooker cover is arranged between the valve cover and the valve body.

In the pressure release valve of the pressure cooker, a sealing ring is arranged between the valve body and the valve cover.

In summary, compared with the prior art, the utility model has the following beneficial effects:

1. the valve core is made of a metal material, the metal material has higher hardness and strength, the wear resistance is better, the sliding lug on the side wall of the valve core is not easy to wear, the poor tightness of the pressure cooker caused by the wear of the sliding lug on the valve core is avoided, and the valve core can effectively isolate the air inlet from the air outlet;

2. the exhaust port has a plurality of and evenly distributed along the circumference of valve gap, and the exhaust port expands from inside to outside gradually, and the exhaust is faster, and the pressure release is faster, and pressure release efficiency is higher.

Drawings

FIG. 1 is a cross-sectional view of an embodiment;

FIG. 2 is a cross-sectional view of the outer structure of an embodiment;

FIG. 3 is a schematic diagram of an embodiment;

fig. 4 is an exploded view of an embodiment.

Reference numerals: 1. a valve body; 2. a valve cover; 3. a valve core; 4. a silica gel valve seat; 5. an exhaust port; 6. an air inlet; 7. a connecting groove; 8. a sliding bump; 9. positioning the bulge; 10. a positioning groove; 11. a guide hole; 12. a step; 13. a first guide surface; 14. a second guide surface; 15. a gap; 16. a seal ring; 17. a receiving groove; 18. and (5) a pot cover.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

The utility model provides a pressure cooker relief valve, as shown in fig. 1 through 4, includes valve body 1, valve gap 2 and case 3, and valve body 1 is connected with valve gap 2, and preferably, valve body 1 and valve gap 2 threaded connection, dismouting convenient and fast more.

Be provided with silica gel disk seat 4 in the valve body 1, specific, the inside wall of valve body 1 is provided with location arch 9, and constant head tank 10 has been seted up to the lateral wall of silica gel disk seat 4, and the circumference setting of silica gel disk seat 4 is followed to constant head tank 10, and location arch 9 can the joint in constant head tank 10, guarantees the relative stability of valve body 1 and silica gel disk seat 4 through the cooperation of location arch 9 and constant head tank 10.

It should be noted that, the user passes through external force with the protruding 9 joint in constant head tank 10 of location, accomplishes the installation to silica gel disk seat 4 promptly, and of course also accessible external force makes the protruding 9 of location break away from constant head tank 10, realizes promptly dismantling silica gel disk seat 4 from in the valve body 1, and the dismouting process of silica gel disk seat 4 is simple, and the maintenance of silica gel disk seat 4 is changed more conveniently.

The step 12 is arranged in the valve body 1, the end part of the silica gel valve seat 4 can be propped against the step surface of the step 12, so that the silica gel valve seat 4 is limited, the relative position relationship between the valve body 1 and the silica gel valve seat 4 is ensured to be stable, and a user can install the silica gel valve seat 4 more conveniently and rapidly.

Be provided with air inlet 6 on the silica gel disk seat 4, offered gas vent 5 on the valve gap 2, air inlet 6 can be linked together with gas vent 5, and case 3 can cut off air inlet 6 and gas vent 5.

The case 3 can the joint in silica gel disk seat 4, and specifically, the spread groove 7 has been seted up to the inside wall of silica gel disk seat 4, and the circumference setting of silica gel disk seat 4 is followed to spread groove 7, has slip lug 8 on the lateral wall of case 3, and case 3 and the integrative setting of slip lug 8, the circumference setting of case 3 is followed to slip lug 8, and slip lug 8 can the joint in spread groove 7, guarantees the relative stability of case 3 and silica gel disk seat 4 through the cooperation of slip lug 8 and spread groove 7.

It should be noted that under normal conditions, the sliding bump 8 on the valve core 3 is clamped to the connecting groove 7 on the silica gel valve seat 4, at this time, the valve core 3 separates the air inlet 6 from the air outlet 5, the pressure cooker is in a sealed state, when the pressure in the pressure cooker reaches a certain pressure value, under the action of the gas pressure, the sliding bump 8 on the valve core 3 breaks away from the connecting groove 7 on the silica gel valve seat 4, the valve core 3 slides upwards, at this time, the valve core 3 can not separate the air inlet 6 from the air outlet 5 any more, and the gas enters from the air inlet 6 and is discharged through the air outlet 5, so as to realize the pressure relief of the pressure cooker; after the pressure release is finished, a user can press the valve core 3 through external force, so that the sliding lug 8 on the valve core 3 is clamped on the connecting groove 7 on the silica gel valve seat 4 again, the valve core 3 is reset at the moment, the valve core 3 cuts off the air inlet 6 from the air outlet 5, and the pressure cooker is in a sealing state again.

Further, the valve cover 2 is provided with a guide hole 11, the valve core 3 is slidably arranged in the guide hole 11, and the valve core 3 is more stable in the sliding process due to the guide effect of the guide hole 11 on the valve core 3.

The valve core 3 is made of a metal material, the metal material has higher hardness and strength, better wear resistance and difficult wear, the sealing property of the pressure cooker is prevented from being deteriorated due to the fact that the sliding lug 8 on the valve core 3 is worn, the valve core 3 is ensured to effectively separate the air inlet 6 from the air outlet 5, preferably, the valve core 3 is made of an aluminum material, the weight of the valve core 3 is lighter, the valve core 3 can slide upwards under the action of gas pressure, and other metal materials can be adopted, of course, the valve core 3 is not limited.

The exhaust port 5 has a plurality of and evenly distributed along the circumference of valve gap 2, avoids the air current to appear gathering or the condition of blocking when the pressure release, and exhaust port 5 expands from inside to outside gradually, and the exhaust is faster, and the pressure release is faster, and pressure release efficiency is higher.

The both ends of silica gel disk seat 4 are provided with guide surface one 13 and guide surface two 14 respectively, and is preferred, guide surface one 13 and guide surface two 14 are the inclined plane, and the user is when installing case 3, and the slip lug 8 on the case 3 is under the direction effect of guide surface one 13, and the joint is easier in spread groove 7, and the operation is simpler laborsaving, and more convenient and fast when installing case 3, after the pressure release is accomplished, and when the user pressed case 3 through external force and makes its reset, the slip lug 8 on the case 3 is under the direction effect of guide surface two 14, and the joint is in spread groove 7 easier, and more laborsaving when pressing case 3 and making it reset, more convenient and fast resets, convenient user use.

A gap 15 for accommodating a pot cover 18 is arranged between the valve cover 2 and the valve body 1, and the pot cover 18 is clamped in the gap 15.

A sealing ring 16 is arranged between the valve body 1 and the valve cover 2, specifically, an accommodating groove 17 is formed in the end face of the valve body 1, the sealing ring 16 is arranged in the accommodating groove 17, and the tightness between the valve body 1 and the valve cover 2 can be effectively ensured through the sealing ring 16.

The assembly principle is as follows:

firstly, the silica gel valve seat 4 is placed into the valve body 1 through external force until the end part of the silica gel valve seat 4 abuts against the step 12 surface of the step 12, at the moment, the positioning protrusion 9 is clamped in the positioning groove 10, then the sealing ring 16 is placed into the containing groove 17, then the threaded connection between the valve body 1 and the valve cover 2 is completed, finally the valve core 3 is inserted into the silica gel valve seat 4 until the sliding protrusion on the valve core 3 is clamped in the connecting groove 7 on the silica gel valve seat 4, and at the moment, the assembly of the pressure release valve is completed.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model; those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. A pressure cooker relief valve, characterized in that: including valve body (1), valve gap (2) and case (3), valve body (1) with valve gap (2) are connected, be provided with silica gel disk seat (4) in valve body (1), case (3) adopt metal material to make, case (3) can the joint in silica gel disk seat (4), exhaust port (5) have been seted up on valve gap (2), be provided with air inlet (6) on silica gel disk seat (4), air inlet (6) can with exhaust port (5) are linked together, case (3) can with air inlet (6) with exhaust port (5) cut off.

2. A pressure cooker pressure relief valve as claimed in claim 1, wherein: the silica gel valve seat is characterized in that a connecting groove (7) is formed in the inner side wall of the silica gel valve seat (4), a sliding lug (8) is arranged on the side wall of the valve core (3), and the sliding lug (8) can be clamped in the connecting groove (7).

3. A pressure cooker pressure relief valve as claimed in claim 1, wherein: the inner side wall of the valve body (1) is provided with a positioning protrusion (9), the outer side wall of the silica gel valve seat (4) is provided with a positioning groove (10), and the positioning protrusion (9) can be clamped in the positioning groove (10).

4. A pressure cooker pressure relief valve as claimed in claim 1, wherein: the valve body (1) is in threaded connection with the valve cover (2).

5. A pressure cooker pressure relief valve as claimed in claim 1, wherein: the number of the exhaust ports (5) is several, the exhaust ports (5) are uniformly distributed along the circumferential direction of the valve cover (2), and the exhaust ports (5) are gradually enlarged from inside to outside.

6. The pressure cooker pressure relief valve as claimed in claim 5, wherein: the valve cover (2) is provided with a guide hole (11), and the valve core (3) is arranged in the guide hole (11) in a sliding mode.

7. A pressure cooker pressure relief valve as claimed in claim 1, wherein: the valve body (1) is internally provided with a step (12), and the end part of the silica gel valve seat (4) can be abutted against the step surface of the step (12).

8. A pressure cooker pressure relief valve as claimed in claim 1, wherein: the two ends of the silica gel valve seat (4) are respectively provided with a first guide surface (13) and a second guide surface (14).

9. A pressure cooker pressure relief valve as claimed in claim 1, wherein: a gap (15) for accommodating a pot cover (18) is arranged between the valve cover (2) and the valve body (1).

10. A pressure cooker pressure relief valve as claimed in claim 1, wherein: a sealing ring (16) is arranged between the valve body (1) and the valve cover (2).