CN219088914U

CN219088914U - Pressure indication stop valve

Info

Publication number: CN219088914U
Application number: CN202222553481.1U
Authority: CN
Inventors: 张全强; 林志坚
Original assignee: Taizhou Changqiao Machinery Factory
Current assignee: Taizhou Changqiao Machinery Factory
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-05-30
Anticipated expiration: 2032-09-26

Abstract

The utility model belongs to the technical field of opening stop valves, and particularly relates to a pressure indication opening stop valve, which comprises: the valve rod comprises a display part and a rod body, and an exhaust pressure reducing device is further arranged on the valve rod; a valve body; and a nut. The valve rod is inserted into the valve body, the nut is arranged on the outer side wall of the valve body, and the exhaust pressure reducing device is arranged on the display part. When the pressure in the pressure cooker reaches the critical point range born by the pressure cooker, the pressure cooker can be helped to be reduced by the exhaust pressure reducing device, so that the pressure cooker is prevented from being exploded due to overlarge pressure.

Description

Pressure indication stop valve

Technical Field

The utility model belongs to the technical field of opening stop valves, and particularly relates to a pressure indication opening stop valve.

Background

The pot cover of the pressure cooker on the market is provided with a valve capable of observing the pressure display function of the pressure cooker, so that a user can judge the pressure in the pressure cooker directly by observing the valve without penetrating through the pot cover.

The utility model discloses a pressure cooker shows pressure valve as disclosed in chinese application number 202120956335.6, movable fit has the valve rod in the disk seat, the upper portion of valve rod is the display part, the lower extreme of disk seat cooperatees with the upper end of elastic component, the lower extreme of elastic component cooperatees with the lower extreme of valve rod, this application passes through pressure cooker with the pressure channel in the pressure transmission to the valve rod, rethread elastic component drives valve rod and display part upward movement, in order to reach the effect that shows pressure cooker internal pressure, but the pressure valve that shows in this application can only play the function that shows the pressure in the pot, when the pressure in the pot is very big, only rely on the play pressure valve of pressure cooker hardly quick step down, so that pressure cooker internal pressure is too big and produce the explosion.

Disclosure of Invention

The utility model aims at solving the technical problems and provides a pressure indication opening-stopping valve which achieves the effect of reducing the air pressure in a pressure cooker.

In view of this, the present utility model provides a pressure indicating open-stop valve comprising:

the valve rod comprises a display part and a rod body, and an exhaust pressure reducing device is further arranged on the valve rod;

a valve body;

a nut.

The valve rod is inserted into the valve body, the nut is arranged on the outer side wall of the valve body, and the exhaust pressure reducing device is arranged on the display part.

In this technical scheme, the air vent sets up in the middle part of valve rod, and link up the body of rod and communicate to in the display part completely. The exhaust hole is vertically arranged on the vent hole and communicated to the outer side wall of the display part, and the sealing plug is always positioned in the exhaust hole in a normal state.

When the pressure in the pressure cooker is increased, gas can enter the vent hole to promote the valve rod to move upwards relative to the cooker cover, and when the pressure reaches the critical point born by the pressure cooker, the sealing plug can pop up the vent hole at the moment to help the pressure reducing valve on the pressure cooker to reduce pressure. After the depressurization is completed, the display part can move downwards to display the corresponding safe color ring color, and after the depressurization is completed, the sealing plug is reloaded to ensure the tightness of the pressure indicating valve.

In the above technical solution, further, the exhaust gas pressure reducing device includes:

a vent hole;

an exhaust hole;

a sealing plug;

the vent hole is arranged in the display part, penetrates through the rod body, the vent hole is arranged on the annular wall of the display part and is communicated with the vent hole, and the sealing plug is inserted into the vent hole.

In the above technical solution, further, the sealing plug includes:

a stopper top;

the plug ring, one end of the plug ring is arranged on the plug top;

the plug body is arranged on the plug top and penetrates through the plug ring;

and the convex ring is arranged on the inner side wall of the plug ring.

In this technical scheme, the shape of sealing plug is similar to the shape of nail, is equipped with the ring on the outer loop lateral wall of stopper top, is equipped with the bulge loop on the inside wall of ring, through with ring and bulge loop joint in the exhaust hole, can be better fix the sealing plug in the exhaust hole, the shape of the cock body is the shaft-like, and the diameter is slightly greater than the exhaust hole, this effect that plays sealed that can be better.

The sealing plug is made of elastic rubber material, so that the sealing plug can bear deformation to a great extent, is not easy to damage, and has good sealing effect.

In the above technical scheme, further, the valve body is provided with a groove, and a compression and ejection device is arranged in the groove.

In the technical scheme, a groove is formed in the top of the valve body and close to the horizontal height of the pot cover, a compression and ejection device is arranged on a groove nut, air pressure in the pot is increased, when the valve rod ejects the valve body, the horizontal position of the exhaust hole is also driven along with the valve rod, when the exhaust hole and the compression and ejection device are at the same height, air pressure in the pot can eject a sealing plug in the exhaust hole into the groove, and then the outer side wall of the display part can prop against the groove when the display valve moves upwards, so that the sealing plug cannot be displaced.

After the exhaust depressurization is completed, the display part can firstly descend to the same height as the groove, and at the moment, the compression and ejection device can rebound the sealing plug into the exhaust hole, so that the sealing effect is played again.

In the above technical solution, further, the compression and ejection device includes:

a spring;

a gasket;

one end of the spring is abutted against the groove, and the other end of the spring is abutted against the gasket.

In this technical scheme, compression spring device has spring and gasket to constitute, and when the valve rod did not insert the valve body, gasket and spring protrusion in the inside wall of valve body.

When the sealing plug is in a compressed state due to the pressure given by air pressure, when the exhaust hole returns to the same height, the spring can convert the compressed potential energy into elastic potential energy, and the sealing plug is sprung back into the exhaust hole again, so that the sealing plug returns to a sealing state again.

In the above technical scheme, further, the valve body is equipped with the elastic component on the one end that keeps away from the display part, and the body of rod is equipped with threaded connection's nut in the one end that keeps away from the display part, and the nut butt is in the elastic component.

In this technical scheme, the elastic component sets up in the lower part of valve body, namely in pot cover and pressure cooker's inside to through setting up the elastic component, and fix valve rod and elastic component through the nut. When the pressure cooker increases the air pressure, the air pressure can press the elastic piece, so that the valve rod can move better, and the valve rod does not need to be worried about being sprung by the air pressure. When the air pressure is restored to the normal state, the elastic element can also be in an initial state, so that the valve rod is driven back.

In the above technical solution, further, the elastic member is a polyolefin thermoplastic elastomer.

In the technical scheme, the polyolefin thermoplastic elastomer can be used as rubber and thermoplastic elastomer, and has good low-temperature toughness, high heat-resistant temperature, reduced permanent deformation and high cost performance.

The beneficial effects of the utility model are as follows:

1. by arranging the exhaust pressure reducing device, the pressure of the pressure cooker can be effectively ensured to be in a safe state.

2. By providing the compression ejection means, the sealing plug can be returned to the sealing state.

3. Through setting up the elastic component, can drive the valve rod and remove, it is more convenient to set up.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a cross-sectional view of a plug of the present utility model;

fig. 4 is a cross-sectional view of a valve body of the present utility model.

The label in the figure is:

1. a valve stem; 2. a valve body; 3. a screw cap; 4. a display unit; 5. a rod body; 6. a vent hole; 7. an exhaust hole; 8. a sealing plug; 9. a stopper top; 10. a plug ring; 11. a plug body; 12. a convex ring; 13. a groove; 14. a spring; 15. a gasket; 16. an elastic member; 17. and (3) a nut.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

Example 1:

the embodiment provides a pressure indication check valve, comprising:

the valve rod 1, the valve rod 1 includes display part 4 and rod body 5, there is exhaust depressurization device on the valve rod 1;

a valve body 2;

a nut 3;

wherein, valve rod 1 is pegged graft in valve body 2, and nut 3 is located on the lateral wall of valve body 2, and exhaust depressurization device is located on display part 4.

In this embodiment, the display portion 4 and the rod body 5 are integrally formed to form the valve rod 1. The pressure indicating valve is characterized in that a valve body 2 is inserted into a pressure cooker cover, a valve rod 1 is inserted into the valve body 2, the valve body 2 is connected with a screw cap 3 at the lower part of the valve body 2 through a screw, the screw cap 3 is abutted against the bottom of the valve body 2, and when the atmospheric pressure in the pressure cooker is equal to the atmospheric pressure outside the pressure cooker, the display part 4 and the pressure cooker surface are at the same level.

When the pressure cooker is heated, the air pressure in the cooker will rise so that the valve rod 1 will move away from the pressure cooker, at which time the value of the air pressure in the cooker in the current state can be judged by observing the color circle of the display part 4. When the pressure in the pressure cooker approaches the limit that the pressure cooker can bear, the pressure is difficult to be relieved through the pressure reducing valve on the pressure cooker, and at the moment, the exhaust pressure reducing device on the valve rod 1 can reduce the pressure of exhaust gas so as to ensure the safety of the pressure cooker.

Example 2:

the present embodiment provides a pressure indicating check valve having the following technical features in addition to the technical scheme including the above embodiment.

The exhaust gas pressure reducing device includes:

a vent 6;

an exhaust hole 7;

a sealing plug 8;

the vent hole 6 is disposed in the display portion 4 and penetrates the rod body 5, the vent hole 7 is disposed on the annular wall of the display portion 4 and is communicated with the vent hole 6, and the sealing plug 8 is inserted into the vent hole 7.

In this embodiment, it can be seen that the vent hole 6 is provided in the middle of the valve stem 1, and completely penetrates the stem 5 and communicates with the display portion 4. The vent hole 7 is vertically provided on the vent hole 6 and communicates to the outer side wall of the display portion 4, and the sealing plug 8 is always located in the vent hole 7 in a normal state.

When the pressure in the pressure cooker is increased, air can enter the vent hole 6 to promote the valve rod 1 to move upwards relative to the cooker cover, and when the pressure reaches the critical point born by the pressure cooker, the sealing plug 8 at the moment can pop up the vent hole 7 to help the pressure reducing valve on the pressure cooker to reduce pressure. After the depressurization is completed, the display part 4 moves downwards to display the corresponding safe color ring color, and after the depressurization is completed, the sealing plug 8 is reloaded to ensure the tightness of the pressure indicating valve.

Example 3:

The sealing plug 8 includes:

a stopper 9;

the plug ring 10, one end of the plug ring 10 is arranged on the plug top 9;

the plug body 11 is arranged on the plug top 9 and penetrates through the plug ring 10;

and a convex ring 12, wherein the convex ring 12 is arranged on the inner side wall of the plug ring 10.

It can be seen that the shape of the sealing plug 8 is similar to that of a nail, the outer ring side wall of the plug top 9 is provided with a plug ring 10, the inner side wall of the plug ring 10 is provided with a convex ring 12, the sealing plug 8 can be better fixed in the exhaust hole 7 by clamping the plug ring 10 and the convex ring 12 in the exhaust hole 7, the shape of the plug body 11 is in a rod shape, and the diameter of the plug body is slightly larger than that of the exhaust hole 7, so that the sealing effect can be better achieved.

The sealing plug 8 is made of elastic rubber material, so that the sealing plug 8 can bear deformation to a great extent, is not easy to damage, and has good sealing effect.

Example 4:

The valve body 2 is provided with a groove 13, and a compression and ejection device is arranged in the groove 13.

In this embodiment, it can be seen that the groove 13 is disposed at the top of the valve body 2 near the horizontal height of the pot cover, the compression and ejection device is disposed at the nut 17 of the groove 13, when the air pressure in the pot increases and ejects the valve rod 1 out of the valve body 2, the horizontal position of the air vent 7 is driven accordingly, when the air vent 7 and the compression and ejection device are at the same height, the air pressure in the pot ejects the sealing plug 8 in the air vent 7 into the groove 13, and then when the display valve moves up, the outer side wall of the display part 4 abuts against the groove 13, so that the sealing plug 8 cannot be displaced.

After the exhaust is depressurized, the display part 4 will drop back to the same height as the groove 13, and the compression and ejection device will rebound the sealing plug 8 into the exhaust hole 7, so as to play a sealing role again.

Example 5:

The compression ejection device includes:

a spring 14;

a spacer 15;

one end of the spring 14 abuts against the groove 13, and the other end of the spring 14 abuts against the gasket 15.

In this embodiment, it can be seen that the compression and ejection device is composed of a spring 14 and a spacer 15, and when the valve rod 1 is not inserted into the valve body 2, the spacer 15 and the spring 14 protrude from the inner side wall of the valve body 2.

In the rest state, the gasket 15 and the inner side wall of the valve body 2 are on the same plane, the spring 14 is in a compressed state at the moment, when the sealing plug 8 is sprung into the groove 13, the spring 14 is in a compressed state due to the pressure given by the air pressure, and when the exhaust hole 7 returns to the same height, the spring 14 converts the compressed potential energy into elastic potential energy to spring the sealing plug 8 back into the exhaust hole 7 again, so that the sealing plug 8 returns to the sealing state again.

Example 6:

The valve body 2 is provided with an elastic member 16 at an end remote from the display portion 4, and the rod body 5 is provided with a threaded nut 17 at an end remote from the display portion 4, the nut 17 abutting against the elastic member 16.

In this embodiment, it can be seen that the elastic member 16 is provided at the lower portion of the valve body 2, that is, inside the lid and the pressure cooker, by providing the elastic member 16, and fixing the valve stem 1 with the elastic member 16 by the nut 17. When the pressure of the pressure cooker is increased, the air pressure presses the elastic member 16, so that the valve stem 1 can be moved more effectively, and there is no fear that the valve stem 1 is sprung by the air pressure. When the air pressure returns to the normal state, the elastic member 16 will also be in the initial state, thereby driving the valve stem 1 back.

Example 7:

The elastic member 16 is a polyolefin thermoplastic elastomer.

The embodiment shows that the polyolefin thermoplastic elastomer can be used as rubber and thermoplastic elastomer, and has good low-temperature toughness, high heat-resistant temperature, reduced permanent deformation and high cost performance.

The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims

1. A pressure indicating check valve, comprising:

the valve rod (1), the valve rod (1) comprises a display part (4) and a rod body (5), and the valve rod (1) is also provided with an exhaust pressure reducing device;

a valve body (2);

a nut (3);

the valve rod (1) is inserted into the valve body (2), the nut (3) is arranged on the outer side wall of the valve body (2), and the exhaust pressure reducing device is arranged on the display part (4).

2. The pressure indicating check valve as set forth in claim 1, wherein said exhaust gas pressure reducing means includes:

a vent hole (6);

an exhaust hole (7);

a sealing plug (8);

the vent hole (6) is arranged in the display part (4) and penetrates through the rod body (5), the vent hole (7) is arranged on the annular wall of the display part (4) and is communicated with the vent hole (6), and the sealing plug (8) is inserted into the vent hole (7).

3. A pressure indicating non-return valve according to claim 2, characterized in that the sealing plug (8) comprises:

a stopper (9);

the plug ring (10), one end of the plug ring (10) is arranged on the plug top (9);

the plug body (11), the said plug body (11) locates on plug top (9), and wear to locate the cock ring (10);

and the convex ring (12) is arranged on the inner side wall of the plug ring (10).

4. A pressure indicating stop valve according to claim 1, characterized in that the valve body (2) is provided with a groove (13), and a compression and ejection device is arranged in the groove (13).

5. The pressure indicating check valve of claim 4, wherein said compression ejection means comprises:

a spring (14);

a spacer (15);

one end of the spring (14) is abutted against the groove (13), and the other end of the spring (14) is abutted against the gasket (15).

6. A pressure indicating stop valve according to claim 1, characterized in that the valve body (2) is provided with an elastic member (16) at the end remote from the display part (4), the rod body (5) is provided with a threaded nut (17) at the end remote from the display part (4), and the nut (17) abuts against the elastic member (16).

7. A pressure indicating stop valve as claimed in claim 6, wherein said elastic member (16) is a polyolefin-based thermoplastic elastomer.