CN216666562U - High-pressure two-way valve - Google Patents
High-pressure two-way valve Download PDFInfo
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- CN216666562U CN216666562U CN202122811124.6U CN202122811124U CN216666562U CN 216666562 U CN216666562 U CN 216666562U CN 202122811124 U CN202122811124 U CN 202122811124U CN 216666562 U CN216666562 U CN 216666562U
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- valve body
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Abstract
The utility model discloses a high-pressure two-way valve which comprises a valve body, wherein the valve body is provided with an inlet, an outlet and a valve port; the diaphragm assembly corresponds to the position of the valve port, a cavity is formed between the diaphragm assembly and the valve body, the valve body is provided with a pilot channel for communicating the cavity and the outlet, and an elastic part for driving the diaphragm assembly to reset is arranged in the cavity; the pilot valve assembly is fixedly arranged on the valve body and used for opening or closing the pilot channel; the diaphragm subassembly includes the briquetting, briquetting and diaphragm down, the diaphragm is fixed in the periphery of last briquetting and with the coaxial setting of last briquetting, it is equipped with the passageway of intercommunication import and cavity to go up the briquetting, briquetting fixed connection is in last briquetting down, and form a mounting groove with last briquetting, fixed mounting has the sealing washer that is used for sealed valve port in the mounting groove, through structural design and material application to the diaphragm subassembly, make better and bearing capacity stronger of leakproofness of this diaphragm subassembly, and then be applicable to the operational environment of high pressure.
Description
Technical Field
The utility model relates to the technical field of valve structures, in particular to a high-pressure two-way valve.
Background
With the continuous development of modern society, the popularization of automation equipment is wider and wider, and the usage amount of the electromagnetic valve of the automatic control element is larger and larger, especially for common and universal electromagnetic valves.
The prior two-position two-way solenoid valve, such as Chinese patent (application number CN 201120293825.9), discloses a two-position two-way pilot diaphragm type solenoid valve with a manual switch, which comprises a valve body, a valve cover and a pilot valve component; a valve diaphragm is arranged between the valve cover and the valve body, a cavity is formed between the valve diaphragm and the valve cover, and a valve main spring is arranged between the valve diaphragm and the valve cover; the outer side of the valve diaphragm is provided with a throttling hole which is communicated with the flow inlet channel hole and the cavity, the pilot valve assembly comprises a pilot valve body, a mounting hole is formed in the pilot valve body, a switch button is arranged in the pilot valve body, and the switch button is contacted with the bottom of the movable iron core.
However, the bearing capacity of the valve diaphragm in the structure is weak, and in a high-pressure blow molding environment, the service life of the valve diaphragm is short, so that the valve diaphragm needs to be continuously replaced, on one hand, the use cost is increased, on the other hand, the usability of the electromagnetic valve is poor, and therefore a high-pressure two-way valve with stronger bearing capacity needs to be designed.
Disclosure of Invention
The utility model aims to provide a high-pressure two-way valve, which has better sealing performance and stronger bearing capacity by the structural design and material application of a diaphragm assembly, and is further suitable for a high-pressure working environment.
The technical purpose of the utility model is realized by the following technical scheme: the high-pressure two-way valve comprises a valve body, wherein the valve body is provided with an inlet, an outlet and a valve port, and the inlet is communicated with the outlet through the valve port; the diaphragm assembly corresponds to the position of the valve port and is used for opening or closing the valve port, a cavity is formed between the diaphragm assembly and the valve body, the valve body is provided with a pilot channel for communicating the cavity and the outlet, and an elastic piece for driving the diaphragm assembly to reset is arranged in the cavity; the pilot valve assembly is fixedly arranged on the valve body and used for opening or closing the pilot channel; the diaphragm assembly comprises an upper pressing block, a lower pressing block and a diaphragm, the upper pressing block is installed at the position, corresponding to the valve port, of the valve body through the diaphragm, the diaphragm is fixed to the periphery of the upper pressing block and is arranged coaxially with the upper pressing block, the upper pressing block is provided with a channel for communicating the inlet with the cavity, the lower pressing block is fixedly connected to the upper pressing block and forms an installation groove with the upper pressing block, and a sealing ring for sealing the valve port is fixedly installed in the installation groove.
Furthermore, the lower pressing block is made of steel.
Furthermore, the upper pressing block is made of lead brass.
Furthermore, the materials of the diaphragm and the sealing ring are NBR.
Furthermore, the lower part of the upper pressing block corresponding to the installation groove is provided with a barb part for limiting the sealing ring.
Furthermore, a supporting part for supporting the sealing ring is arranged at the position of the lower pressing block corresponding to the sealing ring.
Further, the valve body comprises a valve body and an end cover fixedly connected to the upper portion of the valve body, and a socket for mounting the diaphragm is formed between the valve body and the end cover.
Furthermore, the end face of the valve body, which is positioned on the insertion opening, is provided with a convex ring.
Further, the lower pressing block and the upper pressing block are fixed in a riveting mode.
Furthermore, the lower end of the diaphragm is provided with a taper hole structure.
In conclusion, the utility model has the following beneficial effects:
the high-pressure two-way valve is applied to the structural design and materials of the diaphragm assembly, the upper pressing block is made of lead brass, and the lower pressing block is made of No. 45 steel, so that the bearing capacity of the diaphragm assembly is greatly improved, and the high-pressure two-way valve is further suitable for a high-pressure working environment.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the diaphragm assembly of the present invention.
In the figure: 1. a valve body; 11. an inlet; 12. an outlet; 13. a valve port; 14. a chamber; 15. a pilot channel; 16. an elastic member; 17. a valve body; 171. a socket; 172. a convex ring; 18. an end cap; 2. a diaphragm assembly; 21. pressing the block; 211. a barb portion; 212. a channel; 22. pressing the block; 221. a support portion; 23. a membrane; 231. a tapered bore structure; 24. a seal ring; 3. a pilot valve assembly; 31. a sleeve; 32. a stationary iron core; 33. a movable iron core; 34. a coil; 35. a sealing plug; 36. a pilot spring.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1-2, the high-pressure two-way valve includes a valve body 1, a diaphragm assembly 2 and a pilot valve assembly 3, the valve body 1 is provided with an inlet 11, an outlet 12 and a valve port 13, the inlet 11 is communicated with the outlet 12 through the valve port 13, and the valve body 1 includes a valve body 17 and an end cover 18 fixedly connected to an upper portion of the valve body 17.
The diaphragm assembly 2 corresponds to the valve port 13 in position, a cavity 14 is formed between the diaphragm assembly 2 and the valve body 1, the valve body 1 is provided with a pilot channel 15 for communicating the cavity 14 and the outlet 12, the pilot channel 15 comprises a first pore passage for communicating the cavity 14, a second pore passage for communicating the outlet 12 and a pilot valve port for communicating the first pore passage and the second pore passage, and an elastic part 16 for driving the diaphragm assembly 2 to reset is arranged in the cavity 14.
The pilot valve assembly 3 is fixedly mounted on the valve body 1 and is used for opening or closing the pilot channel 15, specifically, the pilot valve assembly 3 includes a sleeve 31 fixedly mounted on the end cover 18, a stationary iron core 32 fixedly mounted on the upper end inside the sleeve 31, a movable iron core 33 slidably mounted in the sleeve 31 and located at the lower part of the stationary iron core 32, and a coil 34 fixedly disposed on the periphery of the sleeve 31, a sealing plug 35 for sealing a pilot valve port is disposed at the lower part of the movable iron core 33, and a pilot spring 36 for driving the movable iron core 33 to return downwards is disposed between the stationary iron core 32 and the movable iron core 33.
The diaphragm assembly 2 includes an upper pressing block 21, a lower pressing block 22 and a diaphragm 23, the upper pressing block 21 is mounted at a position of the valve body 1 corresponding to the valve port 13 through the diaphragm 23, specifically, a socket 171 for mounting the diaphragm 23 is formed between the valve body 17 and the end cover 18, the diaphragm 23 is fixedly inserted into the socket 171, a tapered hole structure 231 is arranged at the lower end of the diaphragm, the tapered hole structure 231 is a structure with a narrow upper part and a wide lower part, the tapered hole structure 231 is designed to increase a contact area of a fluid and the diaphragm 23 so as to increase an acting force of the fluid on the diaphragm 23, thereby facilitating jacking the diaphragm 23, the diaphragm 23 is fixed at the periphery of the upper pressing block 21 and is coaxially arranged with the upper pressing block 21, the upper pressing block 21 is provided with a channel 212 communicating the inlet 11 and the chamber 14, the lower pressing block 22 is fixedly connected to the upper pressing block 21 and forms a mounting groove with the upper pressing block 21, and a sealing ring 24 for sealing the valve port 13 is fixedly mounted in the mounting groove, specifically, an installation groove is formed inside the upper pressing block 21, a sealing ring 24 for sealing the valve port is arranged in the installation groove, a lower pressing block 22 is fixedly connected to the lower position of the upper pressing block 21, which is located at the lower portion of the sealing ring 24, the lower pressing block 22 and the upper pressing block 21 are riveted and fixed, and the lower pressing block 22 is used for fixing the sealing ring 24 in the installation groove.
In the present invention, the lower pressing block 22 is made of steel, preferably 45#, the upper pressing block 21 is made of lead brass, specifically hpb59-1, and the diaphragm 23 and the sealing ring are both made of NBR.
The lower part of the upper pressing block 21 corresponding to the installation groove is provided with a barb part 211 for limiting the sealing ring 24, and the position of the lower pressing block 22 corresponding to the sealing ring 24 is provided with a supporting part 221 for supporting the sealing ring 24.
The end face of the valve body 17 located at the socket 171 is provided with a convex ring 172, and the diaphragm 23 is clamped and fixed at the socket 171 through the convex ring 172, and the connection is firmer and more stable.
The elastic element 16 is a spring, the spring is located at one end close to the inlet 11, the end cover 18 is provided with an accommodating cavity for accommodating part of the spring, the accommodating cavity is communicated with the first pore passage and is coaxially arranged, and the passage 212 is located at one end of the upper pressing block 21 close to the outlet 12.
This high pressure two-way valve, through structural design and the material application to diaphragm subassembly 2, wherein go up briquetting 21 and adopt lead brass, push down briquetting 22 and adopt 45# steel, improved this diaphragm subassembly 2's bearing capacity greatly, and then be applicable to the operational environment of high pressure.
The basic working principle of the utility model is as follows:
in an initial state, fluid enters the chamber 14 from the inlet 11 through the passage 212, so that the pressure in the chamber 14 is increased, the diaphragm assembly 2 is pressed against the valve port 13 through the cooperation with the elastic member 16, at this time, the valve port 13 is in a closed state, when the coil 34 of the pilot valve assembly 3 is energized, a magnetic field is generated, the movable iron core 33 approaches the stationary iron core 32, the sealing plug 35 is separated from the pilot valve port, the fluid in the chamber 14 flows out to the outlet 12 through the pilot passage 15, so that the pressure in the chamber 14 is reduced, and the fluid pushes up the diaphragm assembly 2 against the acting force of the elastic member 16, so that the diaphragm assembly 2 is separated from the valve port 13, and at this time, the valve port 13 is in an open state.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.
Claims (10)
1. A high pressure two-way valve comprising
The valve comprises a valve body (1), wherein the valve body (1) is provided with an inlet (11), an outlet (12) and a valve port (13), and the inlet (11) is communicated with the outlet (12) through the valve port (13);
the diaphragm assembly (2) corresponds to the valve port (13), a cavity (14) is formed between the diaphragm assembly (2) and the valve body (1), the valve body (1) is provided with a pilot channel (15) for communicating the cavity (14) with the outlet (12), and an elastic part (16) for driving the diaphragm assembly (2) to reset is arranged in the cavity (14);
the pilot valve assembly (3) is fixedly arranged on the valve body (1) and used for opening or closing the pilot channel (15);
the method is characterized in that: the diaphragm assembly (2) comprises an upper pressing block (21), a lower pressing block (22) and a diaphragm (23), the upper pressing block (21) is installed at the position, corresponding to the valve port (13), of the valve body (1) through the diaphragm (23), the diaphragm (23) is fixed to the periphery of the upper pressing block (21) and is coaxially arranged with the upper pressing block (21), the upper pressing block (21) is provided with a channel (212) for communicating the inlet (11) with the cavity (14), the lower pressing block (22) is fixedly connected to the upper pressing block (21) and forms an installation groove with the upper pressing block (21), and a sealing ring (24) for sealing the valve port (13) is fixedly installed in the installation groove.
2. The high pressure two-way valve according to claim 1, wherein: the lower pressing block (22) is made of steel.
3. The high pressure two-way valve according to claim 2, wherein: the upper pressing block (21) is made of lead brass.
4. The high pressure two way valve of claim 3, wherein: the diaphragm (23) and the sealing ring (24) are made of NBR.
5. The high pressure two way valve of claim 1, wherein: and the lower part of the upper pressing block (21) corresponding to the mounting groove is provided with a barb part (211) for limiting the sealing ring (24).
6. The high pressure two-way valve according to claim 2, wherein: and a supporting part (221) for supporting the sealing ring (24) is arranged at the position of the lower pressing block (22) corresponding to the sealing ring (24).
7. The high pressure two-way valve according to claim 1, wherein: the valve body (1) comprises a valve body (17) and an end cover (18) fixedly connected to the upper portion of the valve body (17), and a socket (171) for mounting a diaphragm (23) is formed between the valve body (17) and the end cover (18).
8. The high pressure two-way valve according to claim 7, wherein: and a convex ring (172) is arranged on the end surface of the valve body (17) positioned on the socket (171).
9. The high pressure two-way valve according to claim 1, wherein: the lower pressing block (22) and the upper pressing block (21) are riveted and fixed.
10. The high pressure two-way valve according to claim 9, wherein: the lower end of the diaphragm (23) is provided with a taper hole structure (231).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122811124.6U CN216666562U (en) | 2021-11-17 | 2021-11-17 | High-pressure two-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122811124.6U CN216666562U (en) | 2021-11-17 | 2021-11-17 | High-pressure two-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216666562U true CN216666562U (en) | 2022-06-03 |
Family
ID=81783479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122811124.6U Active CN216666562U (en) | 2021-11-17 | 2021-11-17 | High-pressure two-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216666562U (en) |
-
2021
- 2021-11-17 CN CN202122811124.6U patent/CN216666562U/en active Active
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