CN215445198U

CN215445198U - Guide one-way valve

Info

Publication number: CN215445198U
Application number: CN202121821383.0U
Authority: CN
Inventors: 黄卫文
Original assignee: Foshan Songfeng Intelligent Equipment Co ltd
Current assignee: Jiangyin Xuanya Purification Technology Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-01-07
Anticipated expiration: 2031-08-05

Abstract

The utility model relates to the technical field of one-way valve equipment, in particular to a guide one-way valve which is simple in structure and convenient to use and comprises a one-way valve body, wherein an adjusting groove is formed in the left end of the one-way valve body, an air outlet hole communicated with the adjusting groove is formed in the right end of the one-way valve body, a screw-in one-way joint is arranged at the left end of the one-way valve body, an air inlet hole communicated with the adjusting groove is formed in the middle of the screw-in one-way joint, and a valve core matched with the adjusting groove is arranged inside the adjusting groove.

Description

Guide one-way valve

Technical Field

The utility model relates to the technical field of one-way valve equipment, in particular to a guide one-way valve.

Background

The check valve is commonly called as a check valve, fluid can only flow along the water inlet, and the medium at the water outlet cannot flow back. Check valves are also known as check valves or check valves. For preventing reverse flow of oil in hydraulic systems or for preventing reverse flow of compressed air in pneumatic systems.

However, most of the existing one-way valves are complex in structure, inconvenient to produce and use, and a guide one-way valve is provided for the reason.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the guide one-way valve which is simple in structure and convenient to use.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model relates to a guide one-way valve which comprises a one-way valve body, wherein an adjusting groove is formed in the left end of the one-way valve body, an air outlet hole communicated with the adjusting groove is formed in the right end of the one-way valve body, a screw-in one-way joint is arranged at the left end of the one-way valve body, an air inlet hole communicated with the adjusting groove is formed in the middle of the screw-in one-way joint, and a valve core matched with the adjusting groove is arranged inside the adjusting groove.

Furthermore, a first guide hole matched with the valve core is formed in the right wall of the screwed-in type one-way joint, a 60-degree inner conical sealing surface is formed in the right wall of the first guide hole, and the left end of the first guide hole is communicated with the air inlet hole.

Still further, case lateral wall stiff end be provided with 60 outer conical sealing face of the interior conical sealing face assorted 60 to seted up O type circle seal groove on the outer conical sealing face of 60, the inside first sealing washer that is provided with of O type circle seal groove, 60 outer conical sealing face left and right sides all are provided with annular through hole, separate through the blind plate in the middle of the annular through hole of both sides.

On the basis of the front, a second guide hole matched with the valve core is arranged between the adjusting groove and the air outlet hole.

Furthermore, a second sealing ring is arranged at the joint of the one-way valve body and the screwed-in one-way joint.

(III) advantageous effects

Compared with the prior art, the utility model provides a guide one-way valve which has the following beneficial effects:

this direction check valve, the setting of screw-in one-way joint makes this device equipment more convenient, thereby make things convenient for the installation and the change of case, make this device convenient production, the case removes about in the adjustment tank, can realize opening and the closure of inlet port, thereby make this device realize one-way transmission function, and make this device simple structure, high durability and convenient use, the setting of 60 interior toper sealing face and 60 outer toper sealing face makes the case more smooth and easy, convenient to the closure of inlet port, the setting of first sealing washer makes the closure of inlet port tighter, the setting of second sealing washer makes this device tighter, the result of use is better.

Drawings

FIG. 1 is a schematic diagram of a first front structure of the present invention;

fig. 2 is a schematic diagram of a second front structure of the present invention.

In the figure: 1. screwing in a one-way joint; 2. a second seal ring; 3. a valve core; 4. a first seal ring; 5. a check valve body; 6. a first guide hole; 7. an inner conical sealing surface of 60 degrees; 8. a 60 degree external conical sealing surface; 9. an O-shaped ring sealing groove; 10. an adjustment groove; 11. an air outlet; 12. a second guide hole; 13. an annular through hole; 14. and (4) air inlet holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the guiding check valve of the present invention comprises a check valve body 5, a regulating groove 10 is disposed at the left end of the check valve body 5, an air outlet 11 communicated with the regulating groove 10 is disposed at the right end of the check valve body 5, in this embodiment, a second guiding hole 12 matched with a valve core 3 is disposed between the regulating groove 10 and the air outlet 11 to facilitate movement of the valve core 3, a screw-in check joint 1 is disposed at the left end of the check valve body 5, in this embodiment, a second sealing ring 2 is disposed at the joint of the check valve body 5 and the screw-in check joint 1 to make the joint more sealed, an air inlet 14 communicated with the regulating groove 10 is disposed at the middle of the screw-in check joint 1, in this embodiment, a first guiding hole 6 matched with the valve core 3 is disposed at the right wall of the screw-in check joint 1, and an inner conical sealing surface 7 of 60 ° is disposed at the right wall of the first guiding hole 6, the left end and the inlet port 14 intercommunication of first guiding hole 6 make screw-in type one way connection 1 result of use better, the inside of adjustment tank 10 be provided with adjustment tank 10 assorted case 3, in this embodiment, case 3 lateral wall stiff end be provided with 60 outer conical sealing surface 8 of interior conical sealing surface 7 assorted 60, and seted up O type circle seal groove 9 on 60 outer conical sealing surface 8, O type circle seal groove 9 inside is provided with first sealing washer 4, 60 outer conical sealing surface 8 left and right sides all is provided with annular through hole 13, separate through the blind plate in the middle of the annular through hole 13 of both sides, make the result of use of case 3 better.

In conclusion, when the guiding one-way valve with the novel structure is used, the guiding one-way valve is firstly installed at the corresponding position of a pipeline, when gas in the pipeline flows in the positive direction, namely the gas flow flows into the guiding one-way valve at the position of the air inlet hole 14, the gas flow pushes the valve core 3 to stop at the position shown in fig. 1, the gas flow is smooth and is discharged through the air outlet hole 11, when the gas in the pipeline flows in the negative direction, namely the gas flow flows into the guiding one-way valve at the position of the air outlet hole 11, the gas flow pushes the valve core 3 to stop at the position shown in fig. 2, the air inlet hole 14 is closed, the gas flow cannot flow, and the work is finished.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The guide check valve comprises a check valve body (5) and is characterized in that an adjusting groove (10) is formed in the left end of the check valve body (5), an air outlet (11) communicated with the adjusting groove (10) is formed in the right end of the check valve body (5), a screwed-in check joint (1) is arranged at the left end of the check valve body (5), an air inlet (14) communicated with the adjusting groove (10) is formed in the middle of the screwed-in check joint (1), and a valve core (3) matched with the adjusting groove (10) is arranged in the adjusting groove (10).

2. A pilot check valve according to claim 1, characterized in that the right wall of the screw-in check connector (1) is provided with a first pilot hole (6) matching the valve core (3), and the right wall of the first pilot hole (6) is provided with a 60 ° inner tapered sealing surface (7), and the left end of the first pilot hole (6) communicates with the air inlet hole (14).

3. The pilot check valve according to claim 2, characterized in that a fixed end of a side wall of the valve core (3) is provided with a 60-degree outer conical sealing surface (8) matched with the 60-degree inner conical sealing surface (7), an O-shaped ring sealing groove (9) is formed in the 60-degree outer conical sealing surface (8), a first sealing ring (4) is arranged inside the O-shaped ring sealing groove (9), annular through holes (13) are formed in the left side and the right side of the 60-degree outer conical sealing surface (8), and the two sides of the annular through holes (13) are separated by a blind plate.

4. A pilot check valve according to claim 3, characterised in that a second pilot hole (12) matching the cartridge (3) is provided between the regulating groove (10) and the outlet hole (11).

5. A pilot check valve according to claim 4, characterised in that the joint of the check valve body (5) and the screw-in check connector (1) is provided with a second sealing ring (2).