CN212360918U

CN212360918U - Explosion-proof opening valve

Info

Publication number: CN212360918U
Application number: CN202020433872.8U
Authority: CN
Inventors: 戴伟民
Original assignee: Zhuji Xinweiming Refrigeration Technology Co ltd
Current assignee: Zhuji Xinweiming Refrigeration Technology Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-01-15
Anticipated expiration: 2030-03-30

Abstract

The embodiment of the utility model provides an explosion-proof valve of opening belongs to gas pitcher opening equipment technical field, explosion-proof valve of opening includes: a valve body, the valve body comprising: the input part is provided with an input channel; the output part is connected to the input part, an output channel is arranged on the output part, and the output channel is communicated with the input channel; the deformation ball can deform under stress and is arranged in the output channel; the limiting piece is arranged in the output channel, the limiting piece is arranged behind the deformation piece, and the limiting piece is attached to the deformation ball, so that the deformation ball is blocked in the output channel. The technical effects of reducing the number of parts of the explosion-proof structure of the opening valve and reducing hidden dangers are achieved.

Description

Explosion-proof opening valve

Technical Field

The utility model relates to a gas pitcher opening equipment technical field especially relates to an explosion-proof valve of opening.

Background

The pressure of the existing gas tank opening equipment is usually regulated and controlled in the structure in the form of steel balls, springs and limiting pieces, and when the pressure in the gas tank is abnormally increased, the steel balls are pushed open, so that an output channel is in a smooth state, and the gas tank is prevented from exploding due to overlarge internal pressure.

However, the structures of the steel ball, the spring and the limiting sheet are not simplified enough, and when one or more parts in the steel ball, the spring and the limiting sheet are unqualified in quality or are unqualified in assembly, the open valve cannot work normally.

Therefore, the technical problems of the prior art are as follows: the explosion-proof structure of the opening valve has a large number of parts and has a large possibility of hidden danger.

Disclosure of Invention

The embodiment of the application provides an explosion-proof opening valve, and solves the technical problems that in the prior art, the number of parts of an explosion-proof structure of the opening valve is large, and hidden danger is possibly large; the technical effects of reducing the number of parts of the explosion-proof structure of the opening valve and reducing hidden dangers are achieved.

The embodiment of the application provides an explosion-proof valve of opening, explosion-proof valve of opening includes: a valve body, the valve body comprising: the input part is provided with an input channel; the output part is connected to the input part, an output channel is arranged on the output part, and the output channel is communicated with the input channel; the deformation ball can deform under stress and is arranged in the output channel; the limiting piece is arranged in the output channel, the limiting piece is arranged behind the deformation piece, and the limiting piece is attached to the deformation ball, so that the deformation ball is blocked in the output channel.

Preferably, the output channel comprises, in order from inside to outside: a first stage; the inner diameter of the third section is larger than that of the first section; the deformation ball is arranged at a port of the first section close to the third section, and the limiting sheet is clamped in the third section.

Preferably, a second section is arranged between the first section and the third section of the output channel, and the inner diameter of the second section is larger than or equal to that of the first section; the inner diameter of the second section is smaller than that of the third section, and a stepped surface is formed between the second section and the third section; the limiting piece is in contact with the stepped surface, and the depth of the limiting piece in the output channel is limited through the stepped surface.

Preferably, the inner diameters of the two ports of the second section are smaller and larger to form a variable diameter section.

Preferably, the size of the head part of the limiting sheet is smaller than that of the tail part of the limiting sheet, so that the limiting sheet is clamped in the third section.

Preferably, the side surface of the limiting sheet is an arc surface, and the inner wall of the third section is a straight surface; the limiting sheet is low in hardness and can deform under pressure, so that when the limiting sheet is matched with the third section, the side face of the limiting sheet is attached to the inner wall of the third section.

Preferably, the limiting piece is a copper piece.

Preferably, the inner wall of the third section is provided with a groove, and when the limiting sheet is attached to the third section, the side surface of the limiting sheet is raised to form a protrusion matched with the groove.

Preferably, the third section is a variable diameter section; and the limiting sheet and the third section are in interference fit.

Preferably, the explosion-proof opening valve further comprises: a valve stem disposed within the valve body and acting on the input and output channels; the hand is twisted the wheel, the hand is twisted the wheel and is located the valve body outward, just the hand is twisted the wheel and is connected on the valve rod.

One or more technical solutions in the embodiments of the present application have at least one or more of the following technical effects:

1. in the embodiment of the application, the spring is omitted, the steel ball is changed into the deformation ball, and the part of the spring is reduced by utilizing the elastic deformation capacity of the deformation ball, so that the whole structure is more stable, and the technical problems that the explosion-proof structure of the opening valve in the prior art is large in number of parts and hidden danger exists are solved; the technical effects of reducing the number of parts of the explosion-proof structure of the opening valve and reducing hidden dangers are achieved.

2. In the embodiment of the application, the second section is arranged, so that a stepped surface is formed between the second section and the third section, and the depth of the limiting sheet entering the output channel is limited; the deformation ball is always in a deformation state when the limiting piece is excessively pressed in, the deformation ball is guaranteed to have deformation capacity, and a deformable space is reserved in the output channel.

3. In the embodiment of the application, by optimizing the shape of the limiting piece, when the limiting piece is placed in the third section, the limiting piece is reliably attached to the inner wall of the third section, so that the limiting piece and the third section are reliably fixed, and the limiting piece is prevented from being ejected or ejected loose due to the pressure of the gas tank.

Drawings

FIG. 1 is a schematic view of a main view direction structure of an explosion-proof opening valve in an embodiment of the present application;

FIG. 2 is a schematic view of a partial cross-sectional view of an explosion-proof opening valve in an embodiment of the present application;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a schematic axial side view of a spacing plate according to an embodiment of the present disclosure;

FIG. 5 is a schematic view, partially in section, of a main view of yet another explosion-proof opening valve according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of an output portion according to an embodiment of the present application.

Reference numerals: 1. a valve body; 11. an input section; 111. an input channel; 12. an output section; 121. an output channel; 1211. a first stage; 1212. a third stage; 12121. a groove; 1213. a fourth stage; 1214. a second stage; 2. a valve stem; 3. screwing the wheel by hand; 4. a deformation ball; 5. a limiting sheet; 51. a side surface; 511. and (4) protruding.

Detailed Description

The embodiment of the application provides an explosion-proof opening valve, a spring is omitted, a steel ball is changed into a deformation ball 4, and the part of the spring is reduced by utilizing the elastic deformation capacity of the deformation ball 4, so that the whole structure is more stable, and the technical problems that in the prior art, the number of parts of an explosion-proof structure of the opening valve is large, and hidden dangers exist possibly are solved; the technical effects of reducing the number of parts of the explosion-proof structure of the opening valve and reducing hidden dangers are achieved.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

Example one

An explosion-proof opening valve, comprising: the valve comprises a valve body 1, a deformation ball 4, a limiting sheet 5, a valve rod 2 and a hand screwing wheel 3; the valve stem 2 is arranged inside the valve body 1, and said valve stem 2 acts on the input channel 111 and the output channel 121; the hand screwing wheel 3 is positioned outside the valve body 1, and the hand screwing wheel 3 is connected to the valve rod 2. The deformation ball 4 can be deformed under stress, and the deformation ball 4 is arranged in the output channel 121; spacing piece 5 sets up in output channel 121, and spacing piece 5 sets up the rear at the deformation piece, spacing piece 5 laminating deformation ball 4 to make deformation ball 4 block up in output channel 121

Valve body 1, valve body 1 includes: an input section 11 and an output section 12; wherein, an input channel 111 is arranged on the input part 11; the output part 12 is connected to the input part 11, an output channel 121 is arranged on the output part 12, and the output channel 121 is communicated with the input channel 111; the output channel 121 comprises, from inside to outside: a first segment 1211, a second segment 1214, a third segment 1212, and a fourth segment 1213. And the inner diameters of the first section 1211, the second section 1214, the third section 1212, and the fourth section 1213 are sequentially increased.

Specifically, the deformable ball 4 is disposed at the connection port of the first section 1211 and the second section 1214, and the deformable ball 4 acts on the first section 1211, so that the first section 1211 is in a closed state; and the spacing piece 5 is clamped in the third section 1212.

The inner diameters of two ports of the second section 1214 are smaller and larger to form a reducing section; the inner diameter of the second section 1214 is smaller than that of the third section 1212, and a stepped surface is formed between the second section 1214 and the third section 1212; the limiting piece 5 is in contact with the stepped surface, and the depth of the limiting piece 5 in the output channel 121 is limited through the stepped surface.

The deformable ball 4 is spherical, and the deformable ball 4 can be directly installed into the port of the first section 1211 from the fourth section 1213 without adjusting the installation position. Preferably, the material of the deformable ball 4 is selected from rubber, silica gel or a composite material of rubber/silica gel. Particularly, the middle part of the deformation ball 4 is in contact with the limiting piece 5 in a fitting mode, and gaps are reserved between the upper side, the lower side, the left side and the right side of the deformation ball 4 and the limiting piece 5 respectively, so that the deformation of the deformation ball 4 is facilitated.

The limiting piece 5 is a piece body; the size of the head of the limiting sheet 5 is smaller than that of the tail, so that the limiting sheet 5 is clamped in the third section 1212. Specifically, the side surface 51 of the limiting piece 5 is an arc surface, and the inner wall of the third section 1212 is a straight surface; the limiting sheet 5 is low in hardness and can be deformed under pressure, for example, a copper piece is adopted, so that the limiting sheet 5 is in interference fit with the third section 1212, and the side surface 51 of the limiting sheet 5 is attached to the inner wall of the third section 1212.

Specifically, the inner wall of the third segment 1212 is provided with a groove 12121, and when the stopping piece 5 is engaged with the third segment 1212, the side surface 51 of the stopping piece 5 is raised to form a protrusion 511 which fits into the groove 12121.

The working principle is as follows:

the position of the deformation ball 4 is limited by the limiting sheet 5, when the pressure in the gas tank is too high, the gas pressure acts on the other side of the deformation ball 4 relative to the limiting sheet 5, the deformation ball 4 deforms, and meanwhile, the deformation ball 4 generates a gap relative to the port of the first section 1211, so that gas can run out of the gap, the pressure in the gas tank is reduced, and the gas tank is prevented from exploding.

The technical effects are as follows:

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An explosion-proof opening valve, characterized in that it comprises:

a valve body, the valve body comprising:

the input part is provided with an input channel;

the output part is connected to the input part, an output channel is arranged on the output part, and the output channel is communicated with the input channel;

the deformation ball can deform under stress and is arranged in the output channel;

the limiting piece is arranged in the output channel, the limiting piece is arranged behind the deformation piece, and the limiting piece is attached to the deformation ball, so that the deformation ball is blocked in the output channel.

2. Explosion-proof opening valve according to claim 1, characterized in that said output channel comprises, in sequence from the inside to the outside:

a first stage;

a third section having an inner diameter greater than the inner diameter of the first section;

the deformation ball is arranged at a port of the first section close to the third section, and the limiting sheet is clamped in the third section.

3. The explosion proof valve as recited in claim 2 wherein said outlet passage has a second section between said first and third sections, said second section having an inside diameter equal to or greater than the inside diameter of said first section; the inner diameter of the second section is smaller than that of the third section, and a stepped surface is formed between the second section and the third section; the limiting piece is in contact with the stepped surface, and the depth of the limiting piece in the output channel is limited through the stepped surface.

4. The explosion proof valve as recited in claim 3 wherein said second section has a reduced diameter section with a smaller inner diameter at both ends.

5. The explosion proof valve as recited in claim 2 wherein the size of the head of said retainer is smaller than the size of the tail so that the retainer snaps into the third section.

6. The explosion-proof opening valve of claim 5, wherein the side surface of said limiting piece is an arc surface, and the inner wall of said third section is a straight surface; the limiting sheet is low in hardness and can deform under pressure, so that when the limiting sheet is matched with the third section, the side face of the limiting sheet is attached to the inner wall of the third section.

7. The explosion-proof opening valve as recited in claim 6, wherein said limiting piece is embodied as a copper piece.

8. The explosion-proof valve as recited in claim 6, wherein said third section has a groove formed in an inner wall thereof, and when said retainer is engaged with said third section, a side surface of said retainer is raised to form a projection adapted to said groove.

9. The explosion proof valve of claim 2 wherein said third section is a tapered section; and the limiting sheet and the third section are in interference fit.

10. Explosion-proof opening valve according to any one of claims 1 to 9, further comprising:

a valve stem disposed within the valve body and acting on the input and output channels;

the hand is twisted the wheel, the hand is twisted the wheel and is located the valve body outward, just the hand is twisted the wheel and is connected on the valve rod.