CN212273159U

CN212273159U - High leakproofness check valve

Info

Publication number: CN212273159U
Application number: CN202020824313.XU
Authority: CN
Inventors: 常江鹏
Original assignee: Hebei Mojun Technology Co ltd
Current assignee: Hebei Mojun Technology Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-01-01
Anticipated expiration: 2030-05-18

Abstract

The utility model relates to the technical field of one-way valves, in particular to a high-sealing one-way valve, which enables fluid to enter from an oil inlet and be discharged through an oil outlet by installing a first sealing ring and a second sealing ring, prevents the fluid from drowning out and improves the sealing property; the oil-saving valve further comprises a valve body, an oil inlet, an oil outlet, a first sealing ring and a second sealing ring, wherein a cavity is formed in the valve body, the valve body is provided with the oil inlet and the oil outlet, the oil inlet and the oil outlet are communicated with the cavity of the valve body, and the first sealing ring and the second sealing ring are installed at the oil inlet and the oil outlet.

Description

High leakproofness check valve

Technical Field

The utility model relates to a technical field of check valve especially relates to a high leakproofness check valve.

Background

The check valve is an automatic valve, is widely applied to various pneumatic systems, and has the functions of controlling the one-way flow of fluid and preventing media from flowing backwards. The opening pressure of the one-way valve is low, and the pre-tightening force of the spring is insufficient, so that the low-pressure opening of the one-way valve and the sealing performance of reverse low pressure are guaranteed, and the one-way valve with high sealing performance is researched.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a through first sealing washer of installation and second sealing washer, make the fluid get into through the oil-out discharge from the oil inlet, prevent that the fluid from drowning, improve a high leakproofness check valve of leakproofness.

The utility model discloses a high leakproofness check valve still includes valve body, oil inlet, oil-out, first sealing washer and second sealing washer, and the valve body be provided with the cavity, and the valve body is opened there are oil inlet and oil-out to oil inlet and oil-out communicate with each other with the cavity of valve body, and first sealing washer and second sealing washer are installed in oil inlet and oil outlet department.

The utility model discloses a high leakproofness check valve still includes valve gap, first through-hole, second through-hole, third through-hole, fourth through-hole and bolt, and the valve gap is opened has first through-hole, second through-hole, third through-hole and fourth through-hole to the third through-hole is connected with the right-hand member of valve body through first through-hole, second through-hole, third through-hole and fourth through-hole and four group's bolts.

The utility model discloses a high leakproofness check valve still includes mounting, spring, piston rod and pressure head, and the right-hand member of mounting is connected with the left end of valve gap, and the spring is installed to the left end of mounting, and in the piston rod stretched into the mounting, the right-hand member of piston rod was connected with the left end of pressure head.

The utility model discloses a high leakproofness check valve still includes the third sealing washer, and the third sealing washer is installed on the right-hand member of valve gap.

The utility model discloses a high leakproofness check valve still includes four group's screw holes, and the valve body is opened there are four group's screw holes.

The utility model discloses a high leakproofness check valve receives the pressure head to be corrosion-resistant material.

The utility model discloses a high leakproofness check valve only needs four groups of bolts of locking to change mounting, spring, piston rod and receive the pressure head.

The utility model discloses a high leakproofness check valve, four group's screw holes are provided with the internal thread.

Compared with the prior art, the beneficial effects of the utility model are that: through first sealing washer of installation and second sealing washer, make the fluid get into from the oil inlet and discharge through the oil-out, prevent that the fluid from drowning, improve the leakproofness.

Drawings

FIG. 1 is a schematic view of the internal axial structure of the valve body of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic front view of the present invention;

fig. 4 is a schematic diagram of the right-side view structure of the present invention;

in the drawings, the reference numbers: 1. a valve body; 2. an oil inlet; 3. an oil outlet; 4. a first seal ring; 5. a second seal ring; 6. a valve cover; 7. a first through hole; 8. a second through hole; 9. a third through hole; 10. a fourth via hole; 11. a bolt; 12. a fixing member; 13. a spring; 14. a piston rod; 15. a pressure receiving head; 16. a third seal ring; 17. a threaded bore.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the high-sealing check valve of the present invention further includes a valve body 1, an oil inlet 2, an oil outlet 3, a first sealing ring 4 and a second sealing ring 5, the valve body 1 is provided with a cavity, the valve body 1 is provided with the oil inlet 2 and the oil outlet 3, the oil inlet 2 and the oil outlet 3 are communicated with the cavity of the valve body 1, and the first sealing ring 4 and the second sealing ring 5 are installed at the oil inlet 2 and the oil outlet 3; through installation first sealing washer 4 and second sealing washer 5, make the fluid get into from oil inlet 2 and discharge through oil-out 3, prevent that the fluid from drowning, improve the leakproofness.

The utility model discloses a high leakproofness check valve, still include valve gap 6, first through-hole 7, second through-hole 8, third through-hole 9, fourth through-hole 10 and bolt 11, valve gap 6 is opened has first through-hole 7, second through-hole 8, third through-hole 9 and fourth through-hole 10, and third through-hole 9 is connected with the right-hand member of valve body 1 through first through-hole 7, second through-hole 8, third through-hole 9 and fourth through-hole 10 and four groups of bolts 11; the structural stability of the check valve is improved.

The utility model discloses a high leakproofness check valve, still include mounting 12, spring 13, piston rod 14 and pressurized head 15, the right-hand member of mounting 12 is connected with the left end of valve gap 6, the left end of mounting 12 is installed spring 13, piston rod 14 stretches into mounting 12, the right-hand member of piston rod 14 is connected with the left end of pressurized head 15; when the fluid impacts on the pressure head 15, the spring 13 and the piston rod 14 are matched to move the pressure head 15 left and right, and when the fluid is closed, the pressure head 15 automatically resets to prevent the fluid from flowing back.

The utility model discloses a high leakproofness check valve, which also comprises a third sealing ring 16, wherein the third sealing ring 16 is arranged on the right end of the valve cover 6; the structural stability and the sealing performance of the valve cover 6 and the valve body 1 are improved.

The high-sealing one-way valve of the utility model also comprises four groups of threaded holes 17, and the valve body 1 is provided with four groups of threaded holes 17; the check valve is convenient to install.

In the high-tightness one-way valve of the utility model, the pressure head 15 is made of corrosion-resistant material; the service life of the check valve is prolonged.

The high-tightness check valve of the utility model only needs to lock four groups of bolts 11 to replace the fixing piece 12, the spring 13, the piston rod 14 and the pressure head 15; the parts are convenient to replace, and the service life of the check valve is prolonged.

In the high-sealing one-way valve of the utility model, the four groups of threaded holes 17 are provided with internal threads; the installation is convenient and the installation stability is improved.

The utility model discloses a high leakproofness check valve, it is at the during operation, at first in the fluid gets into valve body 1 through oil inlet 2, later fluid impact on pressure head 15,

spring

13 and 14 cooperations of piston rod make its pressure head 15 side-to-side motion, then when closing the fluid, pressure head 15 automatic re-setting prevents the fluid backward flow, later through first sealing washer 4 and second sealing washer 5 improve the leakproofness of check valve can.

The high-tightness check valve of the utility model has the advantages that the installation mode, the connection mode or the setting mode are common mechanical modes, and the high-tightness check valve can be implemented as long as the beneficial effects can be achieved; the utility model discloses a spring 13 of high leakproofness check valve is purchase on the market, and this technical staff only need according to its subsidiary instructions install and operate can in the industry.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a high leakproofness check valve, its characterized in that still includes valve body (1), oil inlet (2), oil-out (3), first sealing washer (4) and second sealing washer (5), the cavity that is provided with of valve body (1), valve body (1) is opened has oil inlet (2) and oil-out (3), and oil inlet (2) and oil-out (3) communicate with each other with the cavity of valve body (1), first sealing washer (4) and second sealing washer (5) are installed in oil inlet (2) and oil-out (3) department.

2. The high-sealing one-way valve according to claim 1, further comprising a valve cover (6), a first through hole (7), a second through hole (8), a third through hole (9), a fourth through hole (10) and bolts (11), wherein the valve cover (6) is provided with the first through hole (7), the second through hole (8), the third through hole (9) and the fourth through hole (10), and the third through hole (9) is connected with the right end of the valve body (1) through the first through hole (7), the second through hole (8), the third through hole (9) and the fourth through hole (10) and four sets of bolts (11).

3. The check valve with high sealing performance as claimed in claim 2, further comprising a fixing member (12), a spring (13), a piston rod (14) and a pressure receiving head (15), wherein the right end of the fixing member (12) is connected with the left end of the valve cover (6), the spring (13) is installed at the left end of the fixing member (12), the piston rod (14) extends into the fixing member (12), and the right end of the piston rod (14) is connected with the left end of the pressure receiving head (15).

4. A high-sealability one-way valve as claimed in claim 3, further comprising a third sealing ring (16), the third sealing ring (16) being mounted on the right end of the valve cover (6).

5. The high-tightness one-way valve is characterized by further comprising four groups of threaded holes (17), and the valve body (1) is provided with four groups of threaded holes (17).

6. A high-tightness check valve according to claim 5, characterized in that the pressurized head (15) is made of a corrosion-resistant material.

7. A high-tightness one-way valve according to claim 6, characterized in that only four sets of bolts (11) need to be locked to replace the fixing member (12), the spring (13), the piston rod (14) and the pressure head (15).

8. A high-tightness check valve according to claim 7, characterized in that the four sets of threaded holes (17) are provided with internal threads.