CN110259747B

CN110259747B - Multistage control valve

Info

Publication number: CN110259747B
Application number: CN201910534420.0A
Authority: CN
Inventors: 张翔; 蒋亚雄
Original assignee: Suzhou Yuexiang Intelligent Technology Co ltd
Current assignee: Suzhou Yuexiang Intelligent Technology Co ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2024-02-13
Anticipated expiration: 2039-06-20
Also published as: CN110259747A

Abstract

The invention discloses a multi-stage control valve, which comprises a bracket, a container A, a container B and bolts, wherein the container A and the container B are of rectangular structures, the left side in the container A is provided with a liquid inlet, the right side of the container A is provided with a plug, the liquid inlet penetrates through the container A and extends to the plug of the other side of the container A, the container B is internally provided with a liquid outlet and a liquid outlet, the liquid outlet is positioned at the left side of the container B, the liquid outlet is positioned at the upper end of the container B, and a three-way valve is arranged between the container A and the container B.

Description

Multistage control valve

Technical Field

The invention relates to a multistage control valve, in particular to a control valve for fluid control engineering, and belongs to the technical field of valves.

Background

The multistage control valve is simple in structure, convenient to install and capable of being combined at will, is widely applied in the field of fluid control engineering, at present, as requirements of stable supply, safe supply and the like of fluid in various industries are higher and higher, once the control valve is damaged in the use process of conventional ball valves, butterfly valves, electromagnetic valves and the like used in the market, the fluid cannot be continuously and stably supplied and is safely supplied, so that stable production cannot be realized, and if a standby scheme cannot be provided on site in time, serious safety problems can occur.

Based on this, some customers have designed double valves according to self circumstances, but the problem such as weeping, damage appear easily in the key junction of product, and the phenomenon that mutually repels appears easily to double valves in the multiple use, and the damage of one of them valve body in the valves will directly influence the normal operating of second valve, appears double valves and locks the situation mutually.

The present invention is based on the problems of the above-described method and has devised a multi-stage control valve in order to improve the stability and robustness of the valve.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a multistage control valve with good stability and robustness, which has a simple structure and reasonable design.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

according to the technical scheme provided by the invention: the utility model provides a multistage control valve, includes support, container A, container B and bolt, container A and container B are rectangular structure, the left side is provided with the inlet in the container A, the end cap is installed on container A's right side, the inlet passes container A and extends to the end cap department of container A opposite side, be provided with leakage fluid dram and liquid outlet in the container B, the leakage fluid dram is located container B's left side, the liquid outlet is located container B's upper end, be provided with the three-way valve between container A and the container B, the three-way valve is provided with two altogether, two the three-way valve is valve and No. two valves respectively, one side of valve is provided with A1 hole, the opposite side of valve is provided with B1 hole and C1 hole, one side of No. two valves is provided with A2 holes, the opposite side of No. two valves is provided with B2 holes and C2 holes, A1 hole and A2 holes respectively with container B's left side, three-way valve is provided with the three-way valve and C2 hole, three-way valve is connected with support and container B, three-way valve and container B2 hole, the three-way valve is connected with container B, the support and the container B is connected, the three-way valve is all connected with the container B, and the three-way valve is connected with the container B.

As a further improvement of the invention, the first valve and the second valve are the same in model, and return springs are arranged in the first valve and the second valve.

As a further improvement of the invention, the outer surfaces of the container A and the container B are provided with process holes, and 5 process holes are plugged by plugs.

As a further improvement of the invention, the number of the three-way valves is not only two, and the number of the three-way valves can be movably configured according to the requirement of the site safety factor.

As a further improvement of the invention, the holes A1, B1, C1, A2, B2, C2 are spatially matched with the bolt holes in the container a and the container B.

Compared with the prior art, the invention has the following advantages:

1) According to the device, through the design of the multiple valve bodies, when one of the first valve and the second valve is damaged, the normal operation of the other valve is not influenced, so that a better redundancy protection effect is achieved, when more stages of safety control are needed, only a plurality of three-way valves are arranged between the container A and the container B for connection, and the whole device is simple in structure, convenient to operate and good in reliability;

2) The arrangement of the container block A and the container block B can reduce the potential safety hazard caused by on-site pipe connection to a greater extent, and the whole device is more attractive and is more convenient to install;

3) The whole device is convenient to maintain, and the damaged three-way valve can be replaced by removing the bolts, so that the maintenance cost of the device is reduced;

4) The whole device has wide application range, can be suitable for various complex environments and has good robustness.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic diagram of a three-way valve of the present invention.

In the figure: 1. a bracket; 2. a liquid inlet; 3. a container A; 4. a valve II; 5. a three-way valve; 6. a C2 hole; 7. a liquid outlet; 8. a container B; 9. b2 holes; 10. bolt holes; 11. a liquid outlet; 12. b1 hole; 13. a C1 hole; 14. a plug; 15. a valve number one; 16. a return spring; 17. a process hole; 18. a bolt; 19. a1 hole; 20. a2 wells.

Detailed Description

The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

As shown in fig. 1-2, a multi-stage control valve comprises a support 1, a container A3, a container B8 and a bolt 18, wherein the container A3 and the container B8 are of rectangular structures, a liquid inlet 2 is arranged on the left side in the container A3, a plug 14 is arranged on the right side of the container A3, the liquid inlet 2 penetrates through the container A3 and extends to the plug 14 on the other side of the container A3, a liquid outlet 7 and a liquid outlet 11 are arranged in the container B8, the liquid outlet 7 is positioned on the left side of the container B8, the liquid outlet 11 is positioned at the upper end of the container B8, a three-way valve 5 is arranged between the container A3 and the container B8, the three-way valve 5 is respectively provided with a first valve 15 and a second valve 4, one side of the first valve 15 is provided with an A1 hole 19, the other side of the first valve 15 is provided with a B1 hole 12 and a C1 hole 13, the second valve 4 is respectively provided with a bolt hole 10 and a second valve 4, the other side of the first valve 15 is respectively provided with a bolt hole 10A 1 and a bolt hole 10 and a second valve 4, the second valve 2 is respectively provided with a bolt hole 10 and A3B 2 and a second valve 4, the second valve 2 is respectively provided with a bolt hole 20 and A3B 2 is respectively communicated with the container B2B 8, the second valve is respectively 3 and the container B8 is respectively provided with A3 and the three-way valve 5, the three-way valve 5 is respectively, the three valve 5 is provided with the three valve 3 and the three valve 3 and the valve 3 is.

As shown in fig. 1 and 2, the type of the first valve 15 and the type of the second valve 4 are the same, the inside of the first valve 15 and the inside of the second valve 4 are both provided with a return spring 16, and the purpose of controlling whether the first valve 15 and the second valve 4 work or not is achieved by automatically opening and closing the return spring 16.

As shown in fig. 1, the outer surfaces of the container block A3 and the container block B8 are provided with process holes 17,5, and the process holes 17 are plugged by plugs 14, so that when the first valve 15 and the second valve 4 fail and cannot work normally, the valve body can be prevented from being damaged due to overlarge pressure by disassembling the plugs 14 on the process holes 17.

As shown in fig. 1 and 2, the number of the three-way valves 5 is not only two, and the number of the three-way valves 5 can be actively configured according to the requirement of the site safety factor, so that more stages of safety control can be performed, and the stability and the robustness of the whole device are further improved.

As shown in fig. 1 and 2, the A1 hole 19, the B1 hole 12, the C1 hole 13, the A2 hole 20, the B2 hole 9, and the C2 hole 6 are spatially matched with the bolt holes 10 in the container A3 and the container B8, so that the tightness of the whole system is better.

When the multistage control valve is installed, the bracket 1, the container A3, the three-way valve 5 and the container B8 are connected through bolts 18, the container A3 and the process hole 17 on the container B8 are blocked through plugs 14, finally, the multistage control valve is connected with a pipeline to be connected, when the first valve 15 and the second valve 4 work normally, the return springs 16 in the first valve 15 and the second valve 4 are opened, fluid is supplied to the first valve 15 from the A2 hole 20 through the bolt holes 10 through the liquid inlet 2 on the container A3, is supplied to the second valve 4 from the A2 hole 20, flows to the B1 hole 12 through the A1 hole 19, flows to the C1 hole 13 through the A2 hole 20 and the B2 hole 9 through the second valve 4, and finally flows out from the liquid outlet 11; when the valve number one 15 normally operates and the valve number two 4 fails, the return spring 16 in the valve number one 15 is opened, and fluid flows to the hole B1 12 through the hole A1 19 and flows out of the liquid outlet 11; when the valve No. two 4 normally operates and the valve No. one 15 fails, the return spring 16 in the valve No. two 4 is opened, fluid flows to the hole C1 through the hole A2 20 and the hole B2 9 and flows out from the liquid outlet 11, so that when one of the valve No. one 15 or the valve No. two 4 is damaged, the normal operation of the other valve is not influenced, the better redundancy protection effect is achieved, and when more stages of safety control are needed, the whole device is simple in structure, convenient to operate and good in reliability, and only a plurality of three-way valves 5 are arranged between the container block A3 and the container block B8 to be connected.

The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a multistage control valve, includes support (1), collection dress piece A (3), collection dress piece B (8) and bolt (18), its characterized in that: the utility model discloses a container, including container A (3) and container B (8), container A (3) are inside left side be provided with inlet (2), end cap (14) are installed on the right side of container A (3), inlet (2) pass container A (3) and extend to end cap (14) department of container A (3) opposite side, be provided with leakage fluid dram (7) and outlet (11) in container B (8), leakage fluid dram (7) are located the left side of container B (8), outlet (11) are located the upper end of container B (8), be provided with three-way valve (5) between container A (3) and container B (8), three-way valve (5) are two respectively, one side of one-way valve (15) is provided with A1 hole (19), one-way valve (15) is provided with one-side (12) and two-way valve (4), one side (2) is provided with one-way valve (20) and two-way valve (4) are provided with one-side (20) and two-way valve (4) 1, two-way valve (4) are provided with one-side (20) and two-way valve (4) 2) are provided with one-way valve (20) and two-way valve (4) and two-way valve (20) are provided with one-way valve (20), the utility model discloses a container, including B2 hole (9) and C1 hole (13), B2 hole (6) and leakage fluid dram (7), B1 hole (12) and liquid outlet (11) intercommunication, support (1) are installed to the both sides of container A (3) and container B (8), support (1), container A (3), three-way valve (5), container B (8) all pass through bolt (18) fixed connection.

2. A multi-stage control valve according to claim 1, wherein: the type of the valve I (15) is the same as that of the valve II (4), and return springs (16) are arranged in the valve I (15) and the valve II (4).

3. A multi-stage control valve according to claim 1, wherein: the outer surfaces of the container A (3) and the container B (8) are provided with process holes (17), and 5 process holes (17) are plugged by plugs (14).

4. A multi-stage control valve according to claim 1, wherein: the number of the three-way valves (5) is not only two, but the number of the three-way valves (5) is movably configured according to the requirement of the site safety coefficient.

5. A multi-stage control valve according to claim 1, wherein: the A1 hole (19), the B1 hole (12), the C1 hole (13), the A2 hole (20), the B2 hole (9) and the C2 hole (6) are mutually matched with bolt holes (10) in the container A (3) and the container B (8) in space.