CN214860820U

CN214860820U - Automatic throttling type container valve of fire extinguishing equipment for ultrahigh pressure storage of inert gas

Info

Publication number: CN214860820U
Application number: CN202023275196.5U
Authority: CN
Inventors: 张悦
Original assignee: Taicang Su An Fire Equipment Co ltd
Current assignee: Taicang Su An Fire Equipment Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-11-26
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses an automatic throttling type container valve of fire extinguishing equipment for ultrahigh pressure storage of inert gas, which comprises a main body sleeve, an air inlet joint, an air outlet joint, a throttling component and a sealing component, wherein a passage cavity is arranged in the main body sleeve along the axial direction of the main body sleeve; the air inlet joint and the main body sleeve are coaxially arranged on the main body sleeve; the air outlet joint is arranged on one side, close to the air inlet joint, of the main body sleeve along the radial direction of the main body sleeve; the throttling assembly comprises a throttling valve core, a supporting cover and a throttling elastic piece, the throttling valve core is arranged in the air outlet hole in a sliding mode along the length direction of the air outlet hole, the supporting cover is arranged at one end, far away from the main body sleeve, of the air outlet joint, and the throttling elastic piece is arranged on two opposite sides of the throttling valve core along the length direction of the air outlet hole; the sealing assembly comprises a sealing block and a sealing elastic piece, the sealing block is arranged in the passage cavity in a sliding mode along the axis direction of the main body sleeve, and the sealing elastic piece is arranged on one side, far away from the air inlet hole, of the sealing block.

Description

Automatic throttling type container valve of fire extinguishing equipment for ultrahigh pressure storage of inert gas

Technical Field

The utility model belongs to the technical field of gaseous fire extinguishing apparatus, especially, relate to an automatic throttle type container valve of ultrahigh pressure storage inert gas fire extinguishing apparatus.

Background

The inert gas fire extinguishing agent is a gas formed by mixing gases such as nitrogen, argon, carbon dioxide and the like according to a certain proportion, and because the gases naturally exist in the atmosphere and are rich in sources, the inert gas fire extinguishing agent has no loss to ozone in the atmosphere (ozone depletion potential value ODP (zero to 0)), does not influence the greenhouse effect of the earth, and does not generate chemical substances which can influence the atmospheric service life for a long time. The mixed gas is non-toxic, colorless, tasteless, non-corrosive and non-conductive, does not support combustion, and does not react with most substances. The fire extinguishing agent is an ideal fire extinguishing agent from the viewpoint of environmental protection, but the storage pressure of the traditional inert gas fire extinguishing equipment is only 15MPa and 20MPa, so that the storage capacity of the fire extinguishing agent in a single gas cylinder is less, and the total amount of the fire extinguishing agent can be met by using a plurality of gas cylinders.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims at providing an automatic throttle type container valve of inert gas fire-extinguishing apparatus is stored to superhigh pressure can make inert gas fire-extinguishing apparatus use higher storage pressure, reduces the operating pressure of pipe network and selection valve, makes gaseous pressure keep invariable, improves the security of part and promotes the stability of putting out a fire simultaneously, and the practicality is strong, is fit for popularizing and applying.

In order to achieve the above object, the utility model provides an automatic throttle type container valve of inert gas fire extinguishing apparatus is stored to superhigh pressure, a serial communication port, the automatic throttle type container valve of inert gas fire extinguishing apparatus is stored to superhigh pressure includes: the main body sleeve is internally provided with a passage cavity along the axial direction of the main body sleeve, one end of the main body sleeve is provided with an opening communicated with the passage cavity, the opening is provided with a working membrane, and the working membrane can seal the opening; the air inlet joint and the main body sleeve are coaxially arranged at the other end, opposite to the opening, of the main body sleeve, an air inlet hole is formed in the air inlet joint along the axis direction of the air inlet joint, and the air inlet hole is communicated with the passage cavity; the air outlet joint is arranged on one side, close to the air inlet joint, of the main body sleeve along the radial direction of the main body sleeve, air outlet holes are formed in the air outlet joint along the radial direction of the main body sleeve, and the air outlet holes are communicated with the passage cavity in a tangential direction; the throttling assembly comprises a throttling valve core, a supporting cover and a throttling elastic piece, the throttling valve core is arranged in the air outlet in a sliding mode along the length direction of the air outlet, a valve core through hole is formed in the throttling valve core along the length direction of the air outlet, the supporting cover is arranged at one end, far away from the main body sleeve, of the air outlet joint, an air outlet through hole is formed in the supporting cover along the length direction of the air outlet, the air outlet through hole is communicated with the air outlet, the throttling elastic piece is arranged on two opposite sides of the throttling valve core along the length direction of the air outlet and is abutted against the inner side walls of the throttling valve core, the supporting cover and the air outlet joint, and the throttling elastic piece can generate thrust towards the throttling valve core so as to balance the position of the throttling valve core in the air outlet; and the sealing assembly comprises a sealing block and a sealing elastic piece, the sealing block is arranged in the passage cavity in a sliding manner along the axis direction of the main body sleeve, the sealing block can seal a communication passage between the passage cavity and the air inlet hole and the air outlet hole, the sealing elastic piece is arranged on one side of the sealing block, which is far away from the air inlet hole, and the sealing elastic piece can generate thrust towards the sealing block so as to push the sealing block to move along the passage cavity and seal the communication passage between the passage cavity and the air inlet hole and the air outlet hole.

In one example, the main body sleeve is further provided with a pressure detection assembly, and the pressure detection assembly is communicated with the access cavity to detect the pressure in the access cavity.

In one example, a pressure relief cover is further disposed on a side of the main body sleeve close to the opening, and the pressure relief cover is disposed on the outer periphery of the main body sleeve to support the working diaphragm and the sealing elastic member.

In one example, a sealing ring is arranged on one side of the passage cavity close to the sealing block, a sealing ring is arranged on one side of the sealing block close to the passage cavity corresponding to the sealing ring, and the sealing ring is matched with the sealing ring.

In one example, a limiting rod is further arranged on the support cover along the length direction of the air outlet hole, and the throttle valve core is slidably arranged on the limiting rod so as to guide and limit the movement direction of the throttle valve core in the air outlet hole.

Through the utility model provides an automatic throttle type container valve of ultrahigh pressure storage inert gas fire extinguishing apparatus can bring following beneficial effect:

1. through setting up throttling assembly and seal the subassembly, can make inert gas fire extinguishing apparatus use higher storage pressure, reduce the operating pressure of pipe network and selection valve, make gaseous pressure keep invariable, improve the security of part and promote the stability of putting out a fire simultaneously, the practicality is strong, is fit for popularizing and applying.

2. Through setting up the pressure in the pressure detection subassembly monitoring route intracavity, prevent that atmospheric pressure from too high damage part, improve the security of part and promote the stability of putting out a fire simultaneously, the practicality is strong.

3. Through setting up pressure relief cover, can the quick start container valve, improve fire extinguishing efficiency, the practicality is strong.

4. Through the sealed cooperation adaptation of sealing ring and sealing washer, be favorable to improving the leakproofness of container valve, prevent that gas leakage from appearing, promote the stability of putting out a fire, the practicality is strong.

5. The limiting rod is arranged to guide and limit the movement direction of the throttling valve core, so that the throttling valve core is stable and reliable in movement, the fire extinguishing stability is improved, and the practicability is high.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic structural view of an automatic throttling type container valve of a fire extinguishing apparatus for storing inert gas under ultrahigh pressure of the present invention.

In the figure: 1-main body sleeve, 11-passage cavity, 111-sealing ring, 12-opening, 13-working diaphragm, 14-pressure detection component, 15-pressure relief cover, 2-air inlet joint, 21-air inlet hole, 3-air outlet joint, 31-air outlet hole, 4-throttling component, 41-throttling valve core, 411-valve core through hole, 42-supporting cover, 421-air outlet through hole, 422-limiting rod, 43-throttling elastic component, 5-sealing component, 51-sealing block, 511-sealing ring and 52-sealing elastic component.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the terms "an aspect," "some aspects," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in fig. 1, the embodiment of the present invention provides an automatic throttling type container valve of a fire extinguishing apparatus for storing inert gas under ultrahigh pressure, which comprises a main body sleeve 1, an air inlet joint 2, an air outlet joint 3, a throttling component 4 and a sealing component 5. The main body sleeve 1 is internally provided with a passage cavity 11 along the axial direction of the main body sleeve 1, one end of the main body sleeve 1 is provided with an opening 12 communicated with the passage cavity 11, the opening 12 is provided with a working membrane 13, and the working membrane 13 can seal the opening 12; the air inlet connector 2 and the main body sleeve 1 are coaxially arranged at the other end, opposite to the opening 12, of the main body sleeve 1, an air inlet hole 21 is formed in the air inlet connector 2 along the axis direction of the air inlet connector, and the air inlet hole 21 is communicated with the passage cavity 11; the air outlet joint 3 is arranged on one side, close to the air inlet joint 2, of the main body sleeve 1 along the radial direction of the main body sleeve 1, an air outlet hole 31 is formed in the air outlet joint 3 along the radial direction of the main body sleeve 1, and the air outlet hole 31 is tangentially communicated with the passage cavity 11; the throttling assembly 4 comprises a throttling valve core 41, a supporting cover 42 and a throttling elastic piece 43, the throttling valve core 41 is arranged in the air outlet hole 31 in a sliding mode along the length direction of the air outlet hole 31, a valve core through hole 411 is formed in the throttling valve core 41 along the length direction of the air outlet hole 31, the supporting cover 42 is arranged at one end, far away from the main body sleeve 1, of the air outlet joint 3, an air outlet through hole 421 is formed in the supporting cover 42 along the length direction of the air outlet hole 31, the air outlet through hole 421 is communicated with the air outlet hole 31, the throttling elastic piece 43 is arranged on two opposite sides of the throttling valve core 41 along the length direction of the air outlet hole 31 and is abutted against the inner side walls of the throttling valve core 41, the supporting cover 42 and the air outlet joint 3, and the throttling elastic piece 43 can generate thrust towards the throttling valve core 41 so as to balance the position of the throttling valve core 41 in the air outlet hole 31; the sealing assembly 5 comprises a sealing block 51 and a sealing elastic part 52, the sealing block 51 is arranged in the passage cavity 11 in a sliding mode along the axial direction of the main body sleeve 1, the sealing block 51 can seal a communication passage of the passage cavity 11 and the air inlet hole 21 and the air outlet hole 31, the sealing elastic part 52 is arranged on one side, away from the air inlet hole 21, of the sealing block 51, and the sealing elastic part 52 can generate pushing force towards the sealing block 51 to push the sealing block 51 to move along the passage cavity 11 and seal the communication passage of the passage cavity 11 and the air inlet hole 21 and the air outlet hole 31. Through setting up throttling assembly 4 and seal assembly 5, can make inert gas fire extinguishing apparatus use higher storage pressure, reduce the operating pressure of pipe network and selection valve, make gaseous pressure keep invariable, improve the security of part and promote the stability of putting out a fire simultaneously, the practicality is strong, is fit for popularizing and applying.

Specifically, the main body cover 1 is further provided with a pressure detection assembly 14, and the pressure detection assembly 14 is communicated with the passage cavity 11 to detect the pressure in the passage cavity 11. Through setting up pressure detection subassembly 14 monitoring route pressure in the chamber 11, prevent that atmospheric pressure from too high damage part, improve the security of part and promote the stability of putting out a fire simultaneously, the practicality is strong.

In one embodiment, the pressure detection assembly 14 includes a pressure gauge and a nut, and the pressure gauge is mounted to the main body cover 1 through the nut.

Specifically, the main body cover 1 is further provided with a pressure relief cover 15 on a side close to the opening 12, and the pressure relief cover 15 covers the periphery of the main body cover 1 to support the working diaphragm 13 and the sealing elastic member 52. Through setting up pressure relief cover 15, can the quick start container valve, improve the fire extinguishing efficiency, the practicality is strong.

In one embodiment, the end of the body sleeve 1 adjacent the pressure relief cover 15 is also provided with a resilient gasket to seal the access chamber 11.

Specifically, a sealing ring 111 is arranged on one side of the passage cavity 11 close to the sealing block 51, a sealing ring 511 is arranged on one side of the sealing block 51 close to the passage cavity 11 corresponding to the sealing ring 111, and the sealing ring 111 is matched with the sealing ring 511. Through sealing ring 111 and sealing washer 511's sealed cooperation adaptation, be favorable to improving the leakproofness of container valve, prevent that gas leakage from appearing, promote the stability of putting out a fire, the practicality is strong.

Specifically, the support cover 42 is further provided with a limiting rod 422 along the length direction of the air outlet hole 31, and the throttle valve core 41 is slidably disposed on the limiting rod 422 to guide and limit the movement direction of the throttle valve core 41 in the air outlet hole 31. The limiting rod 422 is arranged to guide and limit the movement direction of the throttle valve core 41, so that the throttle valve core 41 can move stably and reliably, the fire extinguishing stability is improved, and the practicability is high.

In one embodiment, the outer periphery of the throttle valve body 41 is provided with a sealing member to seal the junction of the throttle valve body 41 and the intake port 21.

The working principle is as follows: the passage cavity 11 is internally provided with compressed gas, the closed block 51 closes a communication passage of the passage cavity 11 and the gas inlet hole 21 and the gas outlet hole 31 under the thrust of the compressed gas and the closed elastic piece 52, when the working diaphragm 13 is penetrated, the compressed gas in the passage cavity 11 leaks out from the opening 12, the high-pressure gas from the gas inlet hole 21 pushes the closed block 51 to move along the passage cavity 11 under the thrust of overcoming the closed elastic piece 52 so as to open the communication passage of the passage cavity 11 and the gas inlet hole 21 and the gas outlet hole 31, and then the high-pressure gas enters the passage cavity 11 from the gas inlet hole 21 and is led out from the gas outlet hole 31; when the pressure applied to one side of the throttle valve 41 in the outlet hole 31 is greater than the pressure applied to the other side of the throttle valve 41, the throttle valve 41 moves in the outlet hole 31 toward the side with lower pressure, so that the space on the side with higher pressure applied to the throttle valve 41 is increased, the space on the side with lower pressure applied to the throttle valve 41 is decreased, so as to decrease the pressure on the side with higher pressure and increase the pressure on the side with lower pressure, and simultaneously, the thrust of the throttle elastic member 43 on the side with higher pressure applied to the throttle valve 41 is decreased, the thrust of the throttle elastic member 43 on the side with lower pressure is increased, and finally, the pressures on the two sides of the throttle valve 41 are balanced.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above are merely examples of the present invention, and are not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. An automatic throttling type vessel valve of an ultrahigh pressure storage inert gas fire extinguishing apparatus, characterized in that the automatic throttling type vessel valve of the ultrahigh pressure storage inert gas fire extinguishing apparatus comprises:

the main body sleeve is internally provided with a passage cavity along the axial direction of the main body sleeve, one end of the main body sleeve is provided with an opening communicated with the passage cavity, the opening is provided with a working membrane, and the working membrane can seal the opening;

the air inlet joint and the main body sleeve are coaxially arranged at the other end, opposite to the opening, of the main body sleeve, an air inlet hole is formed in the air inlet joint along the axis direction of the air inlet joint, and the air inlet hole is communicated with the passage cavity;

the air outlet joint is arranged on one side, close to the air inlet joint, of the main body sleeve along the radial direction of the main body sleeve, air outlet holes are formed in the air outlet joint along the radial direction of the main body sleeve, and the air outlet holes are communicated with the passage cavity in a tangential direction;

the throttling assembly comprises a throttling valve core, a supporting cover and a throttling elastic piece, the throttling valve core is arranged in the air outlet in a sliding mode along the length direction of the air outlet, a valve core through hole is formed in the throttling valve core along the length direction of the air outlet, the supporting cover is arranged at one end, far away from the main body sleeve, of the air outlet joint, an air outlet through hole is formed in the supporting cover along the length direction of the air outlet, the air outlet through hole is communicated with the air outlet, the throttling elastic piece is arranged on two opposite sides of the throttling valve core along the length direction of the air outlet and is abutted against the inner side walls of the throttling valve core, the supporting cover and the air outlet joint, and the throttling elastic piece can generate thrust towards the throttling valve core so as to balance the position of the throttling valve core in the air outlet; and

the sealing assembly comprises a sealing block and a sealing elastic piece, the sealing block is arranged in the passage cavity in a sliding mode along the axis direction of the main body sleeve, the sealing block can seal a communication passage of the passage cavity and the air inlet hole and the air outlet hole, the sealing elastic piece is arranged on one side, away from the air inlet hole, of the sealing block, and the sealing elastic piece can generate thrust towards the sealing block so as to push the sealing block to move along the passage cavity and seal the communication passage of the passage cavity and the air inlet hole and the air outlet hole.

2. The automatic throttling type canister valve of an ultrahigh pressure inert gas storage fire extinguishing apparatus according to claim 1, wherein a pressure detecting unit is further provided on the body cover, the pressure detecting unit being communicated with the passage chamber to detect the pressure in the passage chamber.

3. The automatic throttling type vessel valve of an ultrahigh pressure inert gas storage fire extinguishing apparatus according to claim 1, wherein a pressure relief cover is further provided on a side of said main body casing adjacent to said opening, said pressure relief cover being provided on an outer periphery of said main body casing to support said working diaphragm and said closing elastic member.

4. The automatic throttling type vessel valve of an ultrahigh pressure inert gas storage fire extinguishing apparatus according to claim 1, wherein a sealing ring is provided in a side of the passage chamber adjacent to the closing block, and a sealing ring is provided in a side of the closing block adjacent to the passage chamber corresponding to the sealing ring, the sealing ring being fitted to the sealing ring.

5. The automatic throttling type vessel valve for an ultrahigh pressure inert gas storage fire extinguishing apparatus according to claim 1, wherein a limiting rod is further provided on the support cover along the length direction of the gas outlet hole, and the throttling valve core is slidably provided on the limiting rod to guide and limit the movement direction of the throttling valve core in the gas outlet hole.