CN213206673U

CN213206673U - Energy-saving diversion valve suitable for low temperature and low pressure

Info

Publication number: CN213206673U
Application number: CN202022028682.0U
Authority: CN
Inventors: 王程勇; 蔡建军; 李新贵; 温建国; 胡岳峰; 赵磊
Original assignee: Hubei Sanjiang Aerospace Hongfeng Control Co Ltd
Current assignee: Hubei Sanjiang Aerospace Hongfeng Control Co Ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-05-14
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses an energy-conserving diverter valve suitable for low temperature low pressure, include the casing and install two fixed journal stirrup on the casing, the both ends of casing are pressure release end and energy-conserving end respectively, and pressure release end and energy-conserving end all are equipped with the inlet end through main air vent intercommunication on two fixed journal stirrup, one of them inlet end and main air vent intercommunication, and another inlet end and energy-conserving end intercommunication are equipped with the end of giving vent to anger on the fixed journal stirrup of inlet end and energy-conserving end intercommunication. The energy-saving diversion valve is simple in structure, light in weight, capable of achieving low-temperature sealing, low-pressure energy-saving gas supply and overpressure pressure relief discharge, high in integration level, multipurpose, and capable of saving equipment cost and later-period installation cost.

Description

Energy-saving diversion valve suitable for low temperature and low pressure

Technical Field

The utility model belongs to the technical field of the cryogenic valve technique and specifically relates to an energy-conserving diverter valve suitable for low temperature low pressure.

Background

The conventional low-temperature medium container has the characteristics of low temperature and high pressure, the applicable valves are all metal, the functions are independent, and the requirements on the light and function integrated valves are wide along with the application of the low-pressure low-temperature container in breathing and oxygen supply.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides an energy-conserving blast valve suitable for low temperature low pressure, this energy-conserving blast valve simple structure, light in weight can realize that low temperature is sealed, the energy-conserving air feed of low pressure, the superpressure pressure release is discharged, and the integrated level is high, and a valve is multi-purpose, has practiced thrift equipment cost and later stage installation cost.

The utility model provides an energy-conserving diverter valve suitable for low temperature low pressure, includes the casing and installs two fixed journal stirrup on the casing, the both ends of casing are pressure release end and energy-conserving end respectively, and pressure release end and energy-conserving end all are equipped with the inlet end through main air vent intercommunication on two fixed journal stirrup, and one of them inlet end and main air vent intercommunication, another inlet end and energy-conserving end intercommunication are equipped with the end of giving vent to anger on the fixed journal stirrup that inlet end and energy-conserving end communicate.

Preferably as above-mentioned technical scheme, the pressure release end is the same with energy-conserving end structure, including lid, adjusting nut, spring holder, guide holder, sealed pad and backing ring, lid and casing threaded connection, sealed pad and backing ring are located between lid and the casing, and the lid is hollow structure, the inside both ends of lid are located to adjusting nut and spring holder, guide holder and lid sliding connection to support through sealed pad, adjusting nut and lid threaded connection, the spring is located between adjusting nut and the spring holder.

Preferably, a positioning ball is arranged between the spring seat and the guide seat, and spherical grooves matched with the positioning ball are oppositely arranged on the spring seat and the guide seat.

Preferably, the adjusting nut and the spring seat are relatively provided with a positioning boss for limiting the sliding of the spring.

Preferably, in the above technical solution, the adjustment pressure at the energy saving end is 0.13MPa, and the pressure relief pressure at the pressure relief end is 0.2 MPa.

Preferably, a secondary safety valve is further mounted on the fixed lug, wherein the air inlet end of the fixed lug is communicated with the main vent hole.

Preferably, in the above-described aspect, the set pressure of the secondary safety valve is 0.35 MPa.

Preferably, the pressure relief end is arranged on the exhaust hole of the shell and is provided with a silencer.

The beneficial effects of the utility model reside in that:

the energy-saving diversion valve is simple in structure, light in weight, suitable for low-temperature and low-pressure energy-saving diversion valves, high in integration level, multipurpose, and capable of achieving low-temperature sealing, low-pressure energy-saving air supply and overpressure pressure relief discharge, and saving equipment cost and later-period installation cost. Meanwhile, a secondary safety valve is integrally installed on the valve body, the safety coefficient of the energy-saving diversion valve is improved, and the problem that equipment is damaged due to the fact that the equipment provided with the valve body cannot release pressure in an ultrahigh pressure environment is avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a cross-sectional view taken along line a-a of fig. 2.

Fig. 4 is a cross-sectional view taken along line B-B of fig. 2.

The reference numbers are as follows: 1-shell, 2-fixed support lug, 3-pressure relief end, 4-energy saving end, 5-main vent hole, 6-air inlet end, 7-air outlet end, 8-cover body, 9-adjusting nut, 10-spring, 11-spring seat, 12-guide seat, 13-sealing gasket, 14-backing ring, 15-positioning ball, 16-spherical groove, 17-positioning boss, 18-secondary safety valve and 19-silencer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 4, the energy-saving diversion valve suitable for low temperature and low pressure includes a housing 1 and two fixing support lugs 2 installed on the housing, two ends of the housing 1 are respectively a pressure relief end 3 and an energy saving end 4, the pressure relief end 3 and the energy saving end 4 are communicated through a main vent hole 5, air inlet ends 6 are respectively arranged on the two fixing support lugs 2, one of the air inlet ends 6 is communicated with the main vent hole 5, the other air inlet end 6 is communicated with the energy saving end 4, and an air outlet end 7 is arranged on the fixing support lug 2 where the air inlet end 6 is communicated with the energy saving end 4.

In this embodiment, pressure release end 3 is the same with energy-conserving end 4 structure, including lid 8, adjusting nut 9, spring 10, spring holder 11, guide holder 12, sealed pad 13 and backing ring 14,

lid

8 and 1 threaded connection of casing, sealed pad 13 and backing ring 14 are located between lid 8 and the casing 1, and lid 8 is hollow structure, adjusting nut 9 and spring holder 11 are located the inside both ends of lid 8,

guide holder

12 and 8 sliding connection of lid to support through sealed pad 13, adjusting nut 9 and 8 threaded connection of lid, spring 10 is located between adjusting nut 9 and the spring holder 11.

In this embodiment, a positioning ball 15 is disposed between the spring seat 11 and the guide seat 12, and a spherical groove 16 used in cooperation with the positioning ball 15 is disposed on the spring seat 11 and the guide seat 12 relatively.

In this embodiment, the adjusting nut 9 and the spring seat 11 are further provided with a positioning boss 17 for limiting the sliding of the spring 10.

In this embodiment, the regulation pressure of the economizer 4 is 0.13MPa, and the relief pressure of the relief end 3 is 0.2 MPa.

In this embodiment, a secondary safety valve 18 is also mounted on the stationary lug 2, with the air intake end 6 in communication with the main vent 5.

In the present embodiment, the set pressure of the secondary relief valve 18 is 0.35 MPa.

In this embodiment, the pressure relief end 3 is provided with a silencer 19 on the exhaust hole of the housing 1.

Adjusting a regulating nut 9 of the pressure relief end 3 to ensure that gas is exhausted from the pressure relief end 3 when the pressure is 0.2 MPa; and adjusting the adjusting nut 9 of the energy-saving end 4 to open the energy-saving end 4 when the pressure is 0.13 MPa.

The energy-saving regulating valve is connected to equipment, when the medium pressure is less than 0.13MPa, the air inlet end 6 on the fixed support lug 2 communicated with the energy-saving end 4 directly supplies air, when the medium pressure is more than 0.13MPa and less than 0.2MPa, the energy-saving end 4 is opened under the action of pressure, and the air inlet end 6 on the fixed support lug 2 communicated with the main vent hole 5 supplies air, so that energy-saving diversion is realized; when the medium pressure is more than 0.2MPa, the pressure relief end 3 is opened for exhaust; when the medium pressure is greater than 0.35MPa, the secondary safety valve 18 starts to exhaust.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will 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 protection scope of the present invention.

Claims

1. The utility model provides an energy-conserving diverter valve suitable for low temperature low pressure which characterized in that: the energy-saving air-conditioning device comprises a shell and two fixed support lugs arranged on the shell, wherein the two ends of the shell are respectively a pressure relief end and an energy-saving end, the pressure relief end and the energy-saving end are communicated through a main air vent, air inlet ends are arranged on the two fixed support lugs, one air inlet end is communicated with the main air vent, the other air inlet end is communicated with the energy-saving end, and an air outlet end is arranged on the fixed support lug communicated with the energy-saving end.

2. The energy saving diverter valve according to claim 1, wherein: the pressure release end is the same with energy-conserving end structure, including lid, adjusting nut, spring holder, guide holder, sealed pad and backing ring, lid and casing threaded connection, sealed pad and backing ring are located between lid and the casing, and the lid is hollow structure, the inside both ends of lid are located to adjusting nut and spring holder, guide holder and lid sliding connection to support through sealed the pad, adjusting nut and lid threaded connection, the spring is located between adjusting nut and the spring holder.

3. The economizer pilot valve of claim 2, wherein: and a positioning ball is arranged between the spring seat and the guide seat, and spherical grooves matched with the positioning ball are oppositely arranged on the spring seat and the guide seat.

4. The economizer pilot valve of claim 2 or 3, wherein: and the adjusting nut and the spring seat are also relatively provided with positioning bosses for limiting the sliding of the spring.

5. The energy saving diverter valve according to claim 1, wherein: the adjusting pressure of the energy-saving end is 0.13MPa, and the pressure relief pressure of the pressure relief end is 0.2 MPa.

6. The energy saving diverter valve according to claim 1, wherein: and a secondary safety valve is also arranged on the fixed lug, the air inlet end of which is communicated with the main vent hole.

7. The energy saving diverter valve according to claim 6, wherein: the setting pressure of the secondary safety valve is 0.35 MPa.

8. The energy saving diverter valve according to claim 2, wherein: and the pressure relief end is positioned on the exhaust hole of the shell and is provided with a silencer.