CN219139930U - One-way control valve with pressure reducing and stabilizing functions - Google Patents
One-way control valve with pressure reducing and stabilizing functions Download PDFInfo
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- CN219139930U CN219139930U CN202223554738.1U CN202223554738U CN219139930U CN 219139930 U CN219139930 U CN 219139930U CN 202223554738 U CN202223554738 U CN 202223554738U CN 219139930 U CN219139930 U CN 219139930U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model relates to the technical field of fire-fighting equipment, in particular to a one-way control valve with pressure reducing and stabilizing functions; the hydraulic control system comprises a single one-way control valve and a single pressure reducing and stabilizing valve; the single one-way control valve provides a one-way control function, the single pressure reducing and stabilizing valve provides a pressure reducing and stabilizing function, wherein the single pressure reducing and stabilizing valve is connected with high-pressure gas through a second connector, the high-pressure gas pushes a pressure reducing valve piston, and a pressure reducing valve spring gives a reaction force to the pressure reducing valve piston, so that pressure reducing and stabilizing are realized.
Description
Technical Field
The utility model relates to the technical field of fire-fighting equipment, in particular to a one-way control valve with pressure reducing and stabilizing functions.
Background
In some fire extinguishing systems, a one-way control valve can be used, but the existing one-way valve can only control the one-way flow of gas, has no pressure reducing and stabilizing function, a pressure reducing orifice plate is used for reducing pressure in a common pressure reducing mode in the prior art, the diameter of the orifice plate is required to be obtained through complex calculation, and the calculation is difficult to be accurate under the condition of more gas conveying pipelines and pipes.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the one-way control valve with the functions of pressure reduction and pressure stabilization.
The technical scheme of the utility model is as follows:
a one-way control valve with pressure reducing and stabilizing functions comprises a one-way control valve monomer and a pressure reducing and stabilizing valve monomer;
the single check control valve comprises a check valve body, a check valve piston is inserted into a cavity of the check valve body, a sealing gasket is arranged between the check valve body and the check valve piston, a check valve gland is sleeved at the front end of the check valve body, a check valve spring is arranged between the check valve piston and the check valve gland, and a first joint is arranged at the rear end of the check valve body;
the pressure reducing and stabilizing valve unit comprises a pressure reducing valve main body, a pressure reducing valve piston is inserted into a cavity of the pressure reducing valve main body, a pressure reducing valve gland is sleeved above the pressure reducing valve piston, a spring seat is arranged at the top of the pressure reducing valve gland, a pressure reducing valve spring is arranged on the spring seat, a pressure ring is arranged at the top of the pressure reducing valve spring, a pressure cap is sleeved at the upper part of the pressure ring, the pressure cap fixes the pressure ring and the pressure reducing valve spring in the pressure reducing valve main body, an external thread part used for being connected with a first connector of the one-way control valve unit is convexly arranged on the right side of the pressure reducing valve main body, and a second connector is sleeved at the lower end of the pressure reducing valve main body through a nut and used for being communicated with an air source;
the lower end of the pressure reducing valve piston is olive-shaped, the pressure reducing valve body is provided with a frustum-shaped groove body in a matched mode, when the air inlet pressure is too large, the pressure reducing valve piston is pushed to move upwards, so that a gap between the olive-shaped lower end and the frustum-shaped groove body is reduced, further increase of the air inlet pressure is avoided, when the air inlet pressure is too small, the pressure reducing valve spring pushes the pressure reducing valve piston to move downwards, the air inlet space is increased, and pressure reduction and pressure stabilization are achieved.
Further, be provided with a plurality of o type sealing washer between check valve piston and the check valve main part, be provided with an o type sealing washer between check valve main part and the check valve gland, the check valve gland front end is provided with o type sealing washer through the annular, and above-mentioned structure is for promoting the product gas tightness.
Further, the nut and the second joint are locked through a hexagonal screw, so that the connection strength of the nut and the second joint is reinforced.
Further, the pressure reducing valve main body and the pressure cap are locked through a hexagonal screw, so that the installation strength of the pressure cap is enhanced.
Further, a plurality of o-shaped sealing rings are arranged between the pressure reducing valve piston and the pressure reducing valve gland, a plurality of o-shaped sealing rings are arranged between the pressure reducing valve gland and the pressure reducing valve main body, and an o-shaped sealing ring is arranged between the second joint and the pressure reducing valve main body. The structure is used for improving the air tightness of the product.
Further, the side wall of the check valve body is provided with an exhaust hole for the check valve piston to move to exhaust or suck air.
The beneficial effects of the utility model are as follows: the single one-way control valve provides a one-way control function, the single pressure reducing and stabilizing valve provides a pressure reducing and stabilizing function, wherein the single pressure reducing and stabilizing valve is connected with high-pressure gas through a second connector, the high-pressure gas pushes a pressure reducing valve piston, and a pressure reducing valve spring gives a reaction force to the pressure reducing valve piston, so that pressure reducing and stabilizing are realized.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of a single body of a one-way control valve;
FIG. 3 is a schematic diagram of the structure of a single pressure stabilizing and reducing valve.
100, a single one-way control valve is shown; 101. a check valve body; 102. a sealing gasket; 103. a check valve piston; 104. an o-type sealing ring; 105. a one-way valve gland; 106. a check valve spring; 107. an exhaust hole; 108. a first joint; 200. a pressure reducing and stabilizing valve unit; 201. pressing the cap; 202. a compression ring; 203. a relief valve spring; 204. a spring seat; 205. a pressure reducing valve gland; 206. a pressure reducing valve piston; 207. a pressure reducing valve body; 208. a second joint; 209. a nut; 210. an external thread portion.
Detailed Description
The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:
as shown in fig. 1 to 3, a one-way control valve with pressure reducing and stabilizing functions comprises a one-way control valve monomer 100 and a pressure reducing and stabilizing valve monomer 200; the single check control valve 100 comprises a check valve main body 101, a check valve piston 103 is inserted into a cavity of the check valve main body 101, a sealing gasket 102 is arranged between the check valve main body 101 and the check valve piston 103, a check valve gland 105 is sleeved at the front end of the check valve main body 101, a check valve spring 106 is arranged between the check valve piston 103 and the check valve gland 105, and a first joint 108 is arranged at the rear end of the check valve main body 101; the pressure reducing and stabilizing valve unit 200 comprises a pressure reducing valve main body 207, a pressure reducing valve piston 206 is inserted into a cavity of the pressure reducing valve main body 207, a pressure reducing valve gland 205 is sleeved above the pressure reducing valve piston 206, a spring seat 204 is arranged at the top of the pressure reducing valve gland 205, a pressure reducing valve spring 203 is arranged on the spring seat 204, a pressure ring 202 is arranged at the top of the pressure reducing valve spring 203, a pressure cap 201 is sleeved at the upper part of the pressure ring 202, the pressure cap 201 fixes the pressure ring 202 and the pressure reducing valve spring 203 in the pressure reducing valve main body 207, an external thread part 210 for connecting with a first connector 108 of the single-way control valve unit 100 is convexly arranged at the right side of the pressure reducing valve main body 207, and a second connector 208 is sleeved at the lower end of the pressure reducing valve main body 207 through a nut 209; the lower end of the pressure reducing valve piston 206 is olive-shaped, and the pressure reducing valve main body 207 is provided with a frustum-shaped groove in a matching manner.
A plurality of o-shaped sealing rings 104 are arranged between the check valve piston 103 and the check valve main body 101, an o-shaped sealing ring is arranged between the check valve main body 101 and the check valve gland 105, and the front end of the check valve gland 105 is provided with the o-shaped sealing ring through a ring groove. The nut 209 and the second joint 208 are locked by a hexagonal screw. The pressure reducing valve body 207 and the pressure cap 201 are locked by a hexagonal screw. A plurality of o-shaped sealing rings are arranged between the pressure reducing valve piston 206 and the pressure reducing valve gland 205, a plurality of o-shaped sealing rings are arranged between the pressure reducing valve gland 205 and the pressure reducing valve main body 207, and an o-shaped sealing ring is arranged between the second joint 208 and the pressure reducing valve main body 207. The side wall of the check valve body 101 is provided with an exhaust hole 107.
The foregoing embodiments and description have been provided merely to illustrate the principles and best modes of carrying out the utility model, and various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (6)
1. The one-way control valve with the pressure reducing and stabilizing functions is characterized by comprising a one-way control valve monomer and a pressure reducing and stabilizing valve monomer; the single check control valve comprises a check valve body, a check valve piston is inserted into a cavity of the check valve body, a sealing gasket is arranged between the check valve body and the check valve piston, a check valve gland is sleeved at the front end of the check valve body, a check valve spring is arranged between the check valve piston and the check valve gland, and a first joint is arranged at the rear end of the check valve body; the pressure reducing and stabilizing valve unit comprises a pressure reducing valve main body, a pressure reducing valve piston is inserted into a cavity of the pressure reducing valve main body, a pressure reducing valve gland is sleeved above the pressure reducing valve piston, a spring seat is arranged at the top of the pressure reducing valve gland, a pressure reducing valve spring is arranged on the spring seat, a pressure ring is arranged at the top of the pressure reducing valve spring, a pressure cap is sleeved at the upper part of the pressure ring, the pressure cap fixes the pressure ring and the pressure reducing valve spring in the pressure reducing valve main body, an external thread part for connecting with a first connector of the one-way control valve unit is convexly arranged at the right side of the pressure reducing valve main body, and a second connector is sleeved at the lower end of the pressure reducing valve main body through a nut; the lower end of the pressure reducing valve piston is olive-shaped, and the pressure reducing valve main body is provided with a frustum-shaped groove body in a matching manner.
2. The unidirectional control valve with pressure reducing and stabilizing function according to claim 1, wherein: a plurality of o-shaped sealing rings are arranged between the check valve piston and the check valve main body, an o-shaped sealing ring is arranged between the check valve main body and the check valve gland, and the front end of the check valve gland is provided with the o-shaped sealing rings through the annular grooves.
3. The unidirectional control valve with pressure reducing and stabilizing function according to claim 2, wherein: the nut and the second joint are locked by a hexagonal screw.
4. A one-way control valve with pressure reducing and stabilizing function according to claim 3, wherein: the pressure reducing valve body and the pressure cap are locked through a hexagonal screw.
5. The unidirectional control valve with pressure reducing and stabilizing function according to claim 4, wherein: a plurality of o-shaped sealing rings are arranged between the pressure reducing valve piston and the pressure reducing valve gland, a plurality of o-shaped sealing rings are arranged between the pressure reducing valve gland and the pressure reducing valve main body, and an o-shaped sealing ring is arranged between the second joint and the pressure reducing valve main body.
6. The unidirectional control valve with pressure reducing and stabilizing function according to claim 5, wherein: the lateral wall of the check valve main body is provided with an exhaust hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223554738.1U CN219139930U (en) | 2022-12-29 | 2022-12-29 | One-way control valve with pressure reducing and stabilizing functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223554738.1U CN219139930U (en) | 2022-12-29 | 2022-12-29 | One-way control valve with pressure reducing and stabilizing functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219139930U true CN219139930U (en) | 2023-06-06 |
Family
ID=86563414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223554738.1U Active CN219139930U (en) | 2022-12-29 | 2022-12-29 | One-way control valve with pressure reducing and stabilizing functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219139930U (en) |
-
2022
- 2022-12-29 CN CN202223554738.1U patent/CN219139930U/en active Active
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