CN214946663U

CN214946663U - Plug-type manual relief valve

Info

Publication number: CN214946663U
Application number: CN202121306217.7U
Authority: CN
Inventors: 吕金美; 孙丁群; 隋鑫垒; 冷俐平
Original assignee: Yantai Hongyuan Oxygen Industrial Inc
Current assignee: Yantai Hongyuan Oxygen Industrial Inc
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-11-30
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses a push-pull type manual relief valve, which comprises a valve body and a valve rod, wherein the valve body is of a hollow structure, one side of the valve body is provided with a first vent hole, the other side of the valve body is provided with a second vent hole, and an inner boss is arranged between the first vent hole and the second vent hole in the valve body; the valve rod can axially move and penetrate through the valve body, a flange gasket is arranged at the position, located in the first vent hole, of the valve rod, a sealing gasket is arranged on one side, close to the inner boss, of the flange gasket, a gasket is arranged on one side, close to the inner boss, of the sealing gasket, and a first handle is further arranged at the left end of the valve rod; the utility model discloses inside and outside all can realize quick pressure release through pushing away this relief valve during the use, easy operation, convenient to use, and this manual relief valve simple structure is compact, easily manufacturing, the installation is sealed convenient.

Description

Plug-type manual relief valve

Technical Field

The utility model relates to a relief valve technical field specifically is a plug-type manual relief valve.

Background

The existing pressure container, particularly a manned pressure container, is filled with compressed air with certain pressure, and pressure release under an accident condition needs to be considered for safety, so that a manual pressure release valve needs to be arranged for releasing pressure before opening a cabin door or releasing pressure in an emergency. Most of the pressure relief valves are operated in one way, and manual pressure relief both inside and outside is difficult to achieve. Under the condition that pressure can be released inside and outside the requirement, two pressure release valves need to be installed, and the waste of materials and installation cost is caused. The handle of relief valve is mostly fixed horizontal setting, occupies great space, and the operation is complicated, easy maloperation, and the structure is complicated, and manufacturing cost is high, and the installation is sealed complicated.

The prior art discloses a software oxygen cabin (CN 204709245U), including the oxygen cabin body, install manual relief valve on the oxygen cabin body, this manual relief valve has interior operation portion and the outer operation portion of operating this manual relief valve work respectively, wherein interior operation portion is located oxygen cabin body is inboard, outer operation portion is located the oxygen cabin body outside. The manual relief valve can be operated by a user by rotating the internal operation portion of the relief valve, and the manual relief valve can be operated by an external person by rotating the external operation portion of the relief valve. The utility model discloses a manual relief valve of adoption, though can realize the cabin internal and all outer manually regulated pressure release, nevertheless under emergency, need pass through screw thread rotation operation pressure release, the rotation operation is inconvenient, easy maloperation, and the rotation operation need time is longer, can not carry out the pressure release of exitting rapidly, for this reason we provide a plug-type manual relief valve in order to solve the above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plug-type manual relief valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a push-pull type manual pressure relief valve comprises a valve body and a valve rod, wherein the valve body is of a hollow structure, a first vent hole is formed in one side of the valve body, a second vent hole is formed in the other side of the valve body, and an inner boss is arranged between the first vent hole and the second vent hole in the valve body;

the valve rod can axially move and penetrate through the valve body, a flange gasket is arranged at the position, located in the first vent hole, of the valve rod, a sealing gasket is arranged on one side, close to the inner boss, of the flange gasket, a gasket is arranged on one side, close to the inner boss, of the sealing gasket, and a first handle is further arranged at the left end of the valve rod;

the valve rod right-hand member is equipped with the separation blade, the position that lies in between separation blade and the interior boss in the second venthole is equipped with the pressure spring, the valve rod right-hand member still is equipped with the second handle, still be equipped with on the valve body and be used for carrying out the fixed subassembly connected with the cabin body.

As a further aspect of the present invention: the fixed subassembly includes nut and ring packing, valve body left end outer lane is equipped with spacing boss for carry on spacingly with the laminating of the cabin body, valve body right-hand member outer lane is equipped with the screw thread, is used for cooperating with the nut, the position that the valve body is located between spacing boss and the nut is equipped with ring packing.

As a further aspect of the present invention: and anti-skid patterns are engraved on the first handle and the second handle.

As a further aspect of the present invention: at least four air guide through holes are formed in the baffle.

As a further aspect of the present invention: the sealing gasket is made of rubber.

As a further aspect of the present invention: and chamfers are arranged at the openings of the first vent hole and the second vent hole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses inside and outside all can realize quick pressure release through pushing away (or drawing) this relief valve during the use, easy operation, convenient to use, and this manual relief valve simple structure is compact, easily manufacturing, the installation is sealed convenient.

Drawings

Fig. 1 is a schematic structural diagram of a push-pull manual pressure relief valve.

Fig. 2 is an explosion structure schematic diagram of a push-pull manual pressure relief valve.

Fig. 3 is a schematic structural diagram of the airflow flowing direction when the push-pull type manual pressure relief valve is opened.

Fig. 4 is a schematic structural diagram of a baffle plate in the push-pull type manual pressure release valve.

Wherein: 1. a first handle; 2. a flange pad; 3. a gasket; 4. a gasket; 5. a valve body; 51. a first vent hole; 52. an inner boss; 53. a second vent hole; 6. an annular seal ring; 7. a nut; 8. a pressure spring; 9. a valve stem; 10. a baffle plate; 11. a second handle; 12. a cabin body; 13. an air guide through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-4, in an embodiment of the present invention, a push-pull manual relief valve includes a valve body 5 and a valve rod 9, the valve body 5 is a hollow structure, a first vent hole 51 is disposed on one side of the valve body 5, a second vent hole 53 is disposed on the other side of the valve body 5, and an inner boss 52 is disposed between the first vent hole 51 and the second vent hole 53 inside the valve body 5;

the valve rod 9 can axially move and penetrate through the valve body 5, a flange gasket 2 is arranged at the position, located in the first vent hole 51, of the valve rod 9, a sealing gasket 3 is arranged on one side, close to the inner boss 52, of the flange gasket 2, a gasket 4 is arranged on one side, close to the inner boss 52, of the sealing gasket 3, and a first handle 1 is further arranged at the left end of the valve rod 9;

a baffle plate 10 is arranged at the right end of the valve rod 9, a pressure spring 8 is arranged in the second vent hole 53 and between the baffle plate 10 and the inner boss 52, a second handle 11 is further arranged at the right end of the valve rod 9, and a fixing assembly used for being connected with the cabin body 12 is further arranged on the valve body 5; the baffle plate 10 is provided with at least four air guide through holes 13; the sealing gasket 3 is made of rubber; chamfers are arranged at the openings of the first vent hole 51 and the second vent hole 53; when the cabin door needs to be opened or in emergency, the push-pull type manual deflation valve can pull the decompression valve in the cabin and push the decompression valve outside the cabin, so that quick deflation and decompression are realized, and the internal pressure and the external pressure are balanced. The manual air release valve is very simple, easy and convenient to operate, stable and reliable in opening performance, simple in structure, easy to produce and process and good in sealing performance after installation.

The fixing assembly comprises a nut 7 and an annular sealing ring 6, a limiting boss is arranged on the outer ring of the left end of the valve body 5 and used for being attached to the cabin body 12 for limiting, threads are arranged on the outer ring of the right end of the valve body 5 and used for being matched with the nut 7, and the annular sealing ring 6 is arranged at the position, between the limiting boss and the nut 7, of the valve body 5; the utility model discloses when the installation, valve body 5 passes the hole on the cabin body 12 from the under-deck and stretches out outside the cabin, and 5 left end spacing bosss of valve body are laminated with 12 internal surfaces in the cabin body, and 5 right-hand members of valve body are screwed up with 7 threaded connection of nut, and ring type seal is connected with 12 outside surface air-tight in the cabin body.

Example 2

The difference from example 1 is: anti-slip patterns are carved on the first handle 1 and the second handle 11, and the anti-slip patterns carved on the first handle 1 and the second handle 11 can effectively avoid the phenomenon of slipping when the handles are pushed and pulled.

The utility model discloses a theory of operation is: when the device is used, the first handle 1 is pulled in the left cabin (the second handle 11 is pushed by pressing outside the right cabin), the valve rod 9 moves leftwards axially, the sealing gasket 3 is driven to be separated from the inner boss 52 on the valve body 5, and at the moment, high-pressure gas in the cabin is discharged out of the cabin from the first vent hole 51, the second vent hole 53 and the gas guide through hole 13 on the baffle 10, so that the internal and external air pressures are balanced; when the first handle 1 is released, the valve rod 9 moves rightwards in the axial direction under the action of the compression spring 8, so that the sealing gasket 3 is attached and sealed with the inner boss 52 again.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. Although the present description is described in terms of embodiments, not every embodiment includes only one technical solution, and such description of the embodiments is merely for clarity, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. The utility model provides a plug-type manual relief valve which characterized in that: the valve comprises a valve body (5) and a valve rod (9), wherein the valve body (5) is of a hollow structure, one side of the valve body (5) is provided with a first vent hole (51), the other side of the valve body (5) is provided with a second vent hole (53), and an inner boss (52) is arranged between the first vent hole (51) and the second vent hole (53) in the valve body (5);

the valve rod (9) can axially move and penetrate through the valve body (5), a flange gasket (2) is arranged at the position, located in the first vent hole (51), of the valve rod (9), a sealing gasket (3) is arranged on one side, close to the inner boss (52), of the flange gasket (2), a gasket (4) is arranged on one side, close to the inner boss (52), of the sealing gasket (3), and a first handle (1) is further arranged at the left end of the valve rod (9);

the improved air-conditioning control valve is characterized in that a blocking piece (10) is arranged at the right end of the valve rod (9), a pressure spring (8) is arranged in the second ventilation hole (53) and between the blocking piece (10) and the inner boss (52), a second handle (11) is further arranged at the right end of the valve rod (9), and a fixing assembly used for being connected with the cabin body (12) is further arranged on the valve body (5).

2. A push-pull manual pressure release valve according to claim 1 characterized in that the fixing assembly comprises a nut (7) and an annular sealing ring (6), a limiting boss is arranged on the outer ring of the left end of the valve body (5) for limiting by being attached to the cabin (12), a thread is arranged on the outer ring of the right end of the valve body (5) for matching with the nut (7), and the annular sealing ring (6) is arranged between the limiting boss and the nut (7) of the valve body (5).

3. A push-pull manual pressure relief valve according to claim 1 characterized in that both the first handle (1) and the second handle (11) are engraved with anti-slip patterns.

4. A push-pull manual pressure relief valve according to claim 1 characterized in that said baffle (10) is provided with at least four air guide through holes (13).

5. A push-pull manual pressure relief valve according to claim 1 characterized in that said gasket (3) is rubber.

6. A push-pull manual pressure relief valve according to claim 1 characterized in that the openings of the first vent hole (51) and the second vent hole (53) are chamfered.