CN212839413U - High-sealing-performance corrosion-resistant fluid valve - Google Patents
High-sealing-performance corrosion-resistant fluid valve Download PDFInfo
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- CN212839413U CN212839413U CN202021212027.4U CN202021212027U CN212839413U CN 212839413 U CN212839413 U CN 212839413U CN 202021212027 U CN202021212027 U CN 202021212027U CN 212839413 U CN212839413 U CN 212839413U
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Abstract
The utility model discloses a corrosion-resistant fluid valve of high leakproofness belongs to fluid valve technical equipment field, including last casing (1), casing (2) and valve body (3) down, it is fixed through bolt (4) and nut (5) to go up between casing (1) and casing (2) down, it is equipped with valve pocket (11) in casing (1) and casing (2) down to go up, be equipped with circulation chamber (21) down in casing (2), circulation chamber (21) one end is equipped with fluidic import (22), and the other end is equipped with fluidic export (23), circulation chamber (21) and valve pocket (11) are separated by valve body (3). The high-tightness and corrosion-resistant fluid valve has good tightness, can effectively prevent fluid leakage, has good corrosion resistance, and can effectively prolong the service life of the valve body.
Description
Technical Field
The utility model belongs to the technical equipment field of the fluid valve, specifically, relate to a corrosion-resistant fluid valve of high leakproofness.
Background
The fluid valve is a valve for controlling the flow of fluid by changing the section or the length, has low power consumption and low temperature, and can be continuously electrified; and the installation position can be arbitrary, and the installation life is longer, but wide application in the circulation of air, water, vacuum, natural gas, oil, chemical, steam, inert gas, corrosive liquid etc.. The fluid valve is required to have better sealing performance for the circulation of some corrosive liquids so as to prevent the fluid from leaking and corroding other parts; it is also desirable that the fluid valve itself have good corrosion resistance to improve the service life of the device.
SUMMERY OF THE UTILITY MODEL
To above problem, the utility model provides a corrosion-resistant fluid valve of high leakproofness, this kind of corrosion-resistant fluid valve of high leakproofness have better leakproofness, can effectively prevent fluidic leakage, but also have better corrosion resistance, can effectively improve the life of valve body.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the high-sealing corrosion-resistant fluid valve comprises an upper shell, a lower shell and a valve body, wherein the upper shell and the lower shell are fixed through bolts and nuts, a valve cavity is formed in the upper shell and the lower shell, a circulation cavity is formed in the lower shell, one end of the circulation cavity is provided with a fluid inlet, the other end of the circulation cavity is provided with a fluid outlet, and the circulation cavity and the valve cavity are separated by the valve body.
Further, the valve body includes valve rod, valve plug, disk seat and valve wall, the valve rod is worn to locate the upper casing and the part stretches into the valve intracavity, the valve rod lower extreme links to each other with the valve plug, the valve wall closely links to each other with upper casing and lower casing, the valve plug links to each other with the valve wall screw thread, the disk seat is located under the valve plug and links to each other with lower casing is fixed. The valve plug moves downwards along the valve wall by rotating the valve rod until the valve plug is attached to the valve seat to block the fluid circulation, and the handle is operated in the opposite direction to enable the valve plug to move upwards along the valve wall to enable the fluid circulation.
Further, a valve head is arranged below the valve plug, a groove is formed in the valve seat, the valve head is arranged right above the groove, and the shape and the size of the valve head and the shape and the size of the groove are matched. The combination of the valve head and the groove can effectively improve the sealing performance of the fluid valve.
Furthermore, the joint of the valve seat and the lower shell, the joint of the upper shell and the lower shell and the joint of the valve plug and the valve wall are provided with sealing rings. The sealing ring can enhance the sealing performance between all connected parts in the valve body.
Further, sealing strips are arranged on the lower surface of the valve plug and the surface of the valve head. The sealing strip can enhance the sealing performance between the valve plug and the valve head and the valve seat.
Further, a handle is arranged at the upper end of the valve rod. The handle is convenient for operating the valve rod.
Further, be equipped with the fixed block in the valve pocket, the fixed block is fixed with last casing, the fixed block is worn to locate by the valve rod, be close to upper end department on the valve rod and be equipped with the connecting block, the fixed block upper end is located to the connecting block, be equipped with first spring between connecting block and the fixed block, the valve rod outside is located to first spring housing. The first spring can make the valve plug have elastic buffer force when being connected with the valve seat, and can further enhance the sealing performance of the valve body.
Further, a second spring is arranged between the upper surface of the connecting block and the upper shell. The second spring further enhances the elastic force of the first spring.
Further, the sealing strip is made of a corrosion-resistant fluororubber material. The fluororubber material has better corrosion resistance, and prevents fluid from corroding the valve plug and the valve head, so that the sealing performance and the service life of the valve body are influenced.
Further, the lower case is made of a magnesium aluminum alloy. The magnesium-aluminum alloy has higher corrosion resistance, and can effectively prevent the corrosion-resistant fluid in the circulation cavity from corroding the lower shell.
Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: the utility model provides a high corrosion resistant fluid valve of leakproofness, this kind of high corrosion resistant fluid valve of leakproofness makes the valve plug move down along the valve wall through rotating the valve rod, until valve plug and valve seat laminating stop fluidic circulation, and the handle is operated in the opposite direction, makes the valve plug move up along the valve wall and can make fluidic circulation; the combination of the valve head and the groove can effectively improve the sealing performance of the fluid valve; the first spring can enable the valve plug to have elastic buffering force when being connected with the valve seat, and the sealing performance of the valve body can be further enhanced; the sealing strip can enhance the sealing performance between the valve plug and the valve head and the valve seat, and the fluororubber material has better corrosion resistance, so that the valve plug and the valve head are prevented from being corroded by fluid, and the sealing performance and the service life of the valve body are prevented from being influenced; the magnesium-aluminum alloy has higher corrosion resistance, and can effectively prevent the corrosion-resistant fluid in the circulation cavity from corroding the lower shell.
Drawings
Fig. 1 is a structural diagram of a high-sealing and corrosion-resistant fluid valve according to the present invention.
In the figure: the valve comprises an upper shell 1, a valve cavity 11, a fixed block 12, a lower shell 2, a flow cavity 21, an inlet 22, an outlet 23, a valve body 3, a valve rod 31, a handle 32, a valve plug 33, a valve head 331, a valve seat 34, a groove 341, a valve wall 35, a first spring 36, a second spring 37, a connecting block 38, a bolt 4, a nut 5, a sealing ring 6 and a sealing strip 7.
Detailed Description
The invention will be further elucidated with reference to the drawings and the embodiments.
Example 1
As shown in fig. 1, a high-sealing corrosion-resistant fluid valve includes an upper casing 1, a lower casing 2 and a valve body 3, the upper casing 1 and the lower casing 2 are fixed by a bolt 4 and a nut 5, a valve cavity 11 is provided in the upper casing 1 and the lower casing 2, a flow cavity 21 is provided in the lower casing 2, one end of the flow cavity 21 is provided with a fluid inlet 22, the other end is provided with a fluid outlet 23, and the flow cavity 21 and the valve cavity 11 are separated by the valve body 3.
Wherein, valve body 3 includes valve rod 31, valve plug 33, disk seat 34 and valve wall 35, valve rod 31 wears to locate in casing 1 and the part stretches into in the valve pocket 11, valve rod 31 lower extreme links to each other with valve plug 33, valve rod 31 upper end is equipped with handle 32, valve wall 35 closely links to each other with last casing 1 and lower casing 2, valve plug 33 and valve wall 35 threaded connection, valve seat 34 locate under valve plug 33 and with casing 2 fixed link to each other down, valve plug 33 below is equipped with valve head 331, be equipped with recess 341 on the valve seat 34, valve head 331 locates directly over the recess 341, just valve head 331 suits with recess 341 shape and size, valve plug 33 lower surface and valve head 331 surface are equipped with sealing strip 7. And sealing rings 6 are arranged at the joint of the valve seat 34 and the lower shell 2, the joint of the upper shell 1 and the lower shell 2 and the joint of the valve plug 33 and the valve wall 35.
Example 2
As shown in fig. 1, a high-sealing corrosion-resistant fluid valve includes an upper housing 1, a lower housing 2 made of magnesium-aluminum alloy, and a valve body 3, the upper housing 1 and the lower housing 2 are fixed by a bolt 4 and a nut 5, a valve cavity 11 is provided in the upper housing 1 and the lower housing 2, a flow cavity 21 is provided in the lower housing 2, one end of the flow cavity 21 is provided with an inlet 22 for fluid, the other end is provided with an outlet 23 for fluid, and the flow cavity 21 and the valve cavity 11 are separated by the valve body 3.
Wherein, valve body 3 includes valve rod 31, valve plug 33, disk seat 34 and valve wall 35, valve rod 31 wears to locate in casing 1 and the part stretches into in the valve pocket 11, valve rod 31 lower extreme links to each other with valve plug 33, valve rod 31 upper end is equipped with handle 32, valve wall 35 closely links to each other with last casing 1 and lower casing 2, valve plug 33 and valve wall 35 threaded connection, valve seat 34 locate under valve plug 33 and with casing 2 fixed link to each other down, valve plug 33 below is equipped with valve head 331, be equipped with recess 341 on the valve seat 34, valve head 331 locates directly over the recess 341, just valve head 331 suits with recess 341 shape and size, valve plug 33 lower surface and valve head 331 surface are equipped with the sealing strip 7 of being made by corrosion resistant's fluororubber material. And sealing rings 6 are arranged at the joint of the valve seat 34 and the lower shell 2, the joint of the upper shell 1 and the lower shell 2 and the joint of the valve plug 33 and the valve wall 35.
In addition, be equipped with fixed block 12 in the valve pocket 11, fixed block 12 is fixed with last casing 1, fixed block 12 is worn to locate by valve rod 31, be close to upper end department on the valve rod 31 and be equipped with connecting block 38, connecting block 38 locates the upper end of fixed block 12, be equipped with first spring 36 between connecting block 38 and the fixed block 12, the valve rod 31 outside is located to first spring 36 cover, be equipped with second spring 37 between connecting block 38 upper surface and the last casing 1.
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 can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (10)
1. A high-sealing corrosion-resistant fluid valve, comprising: including last casing (1), casing (2) and valve body (3) down, it is fixed through bolt (4) and nut (5) between casing (1) and the lower casing (2) to go up, be equipped with valve pocket (11) in last casing (1) and lower casing (2), be equipped with circulation chamber (21) in casing (2) down, circulation chamber (21) one end is equipped with fluidic import (22), and the other end is equipped with fluidic export (23), circulation chamber (21) and valve pocket (11) are separated by valve body (3).
2. A high-sealability corrosion-resistant fluid valve according to claim 1, wherein: valve body (3) include valve rod (31), valve plug (33), disk seat (34) and valve wall (35), valve rod (31) wear to locate in last casing (1) and part stretch into valve pocket (11), valve rod (31) lower extreme links to each other with valve plug (33), valve wall (35) and last casing (1) and casing (2) closely link to each other down, valve plug (33) and valve wall (35) screw thread link to each other, disk seat (34) are located under valve plug (33) and are linked to each other with lower casing (2) are fixed.
3. A high-sealability corrosion-resistant fluid valve according to claim 2, wherein: a valve head (331) is arranged below the valve plug (33), a groove (341) is arranged on the valve seat (34), the valve head (331) is arranged right above the groove (341), and the shape and the size of the valve head (331) are adapted to those of the groove (341).
4. A high-sealability corrosion-resistant fluid valve according to claim 2 or 3, wherein: and the joint of the valve seat (34) and the lower shell (2), the joint of the upper shell (1) and the lower shell (2) and the joint of the valve plug (33) and the valve wall (35) are respectively provided with a sealing ring (6).
5. A high-sealability corrosion-resistant fluid valve according to claim 3, wherein: and sealing strips (7) are arranged on the lower surface of the valve plug (33) and the surface of the valve head (331).
6. A high-sealability corrosion-resistant fluid valve according to claim 2, wherein: the upper end of the valve rod (31) is provided with a handle (32).
7. A high-sealability corrosion-resistant fluid valve according to claim 2, wherein: be equipped with fixed block (12) in valve pocket (11), fixed block (12) are fixed with last casing (1), fixed block (12) are worn to locate in valve rod (31), be close to upper end department on valve rod (31) and be equipped with connecting block (38), fixed block (12) upper end is located in connecting block (38), be equipped with first spring (36) between connecting block (38) and fixed block (12), the valve rod (31) outside is located in first spring (36) cover.
8. A high-sealability corrosion-resistant fluid valve according to claim 7, wherein: and a second spring (37) is arranged between the upper surface of the connecting block (38) and the upper shell (1).
9. The high-sealability corrosion-resistant fluid valve according to claim 5, wherein: the sealing strip (7) is made of corrosion-resistant fluororubber material.
10. A high-sealability corrosion-resistant fluid valve according to claim 1, wherein: the lower shell (2) is made of magnesium aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021212027.4U CN212839413U (en) | 2020-06-28 | 2020-06-28 | High-sealing-performance corrosion-resistant fluid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021212027.4U CN212839413U (en) | 2020-06-28 | 2020-06-28 | High-sealing-performance corrosion-resistant fluid valve |
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| Publication Number | Publication Date |
|---|---|
| CN212839413U true CN212839413U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021212027.4U Active CN212839413U (en) | 2020-06-28 | 2020-06-28 | High-sealing-performance corrosion-resistant fluid valve |
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| Country | Link |
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| CN (1) | CN212839413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943957A (en) * | 2021-04-22 | 2021-06-11 | 江苏林诚电仪设备有限公司 | Corrosion-resistant and high-pressure impact block valve |
-
2020
- 2020-06-28 CN CN202021212027.4U patent/CN212839413U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943957A (en) * | 2021-04-22 | 2021-06-11 | 江苏林诚电仪设备有限公司 | Corrosion-resistant and high-pressure impact block valve |
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