CN220268485U - Flow-regulating piston valve capable of descaling and backwashing - Google Patents
Flow-regulating piston valve capable of descaling and backwashing Download PDFInfo
- Publication number
- CN220268485U CN220268485U CN202321533291.1U CN202321533291U CN220268485U CN 220268485 U CN220268485 U CN 220268485U CN 202321533291 U CN202321533291 U CN 202321533291U CN 220268485 U CN220268485 U CN 220268485U
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- Prior art keywords
- valve
- piston
- valve body
- hard alloy
- alloy layer
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- 238000011001 backwashing Methods 0.000 title claims abstract description 11
- 239000000956 alloy Substances 0.000 claims abstract description 32
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 238000003466 welding Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 12
- 238000007790 scraping Methods 0.000 abstract description 6
- 230000002411 adverse Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 235000015170 shellfish Nutrition 0.000 description 5
- 235000013311 vegetables Nutrition 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model discloses a flow regulating piston valve capable of descaling and backwashing, which belongs to the technical field of flow regulating piston valves. According to the valve disclosed by the utility model, the hard alloy layer I is additionally deposited at the contact position of the valve body and the piston, the hard alloy layer II is additionally deposited at the joint of the sealing seat and the throttling component as a scraping device for removing scale and the shell, the internal blocking of the piston valve is avoided, the pollution discharge ball valve is additionally arranged at the inner barrel position and the outer barrel position of the valve body of the piston valve respectively, impurities deposited in the valve body can be timely removed from the positions of the valve body and the running guide rail by utilizing the internal pressure of a pipeline, and adverse effects of impurities on the running of the valve are avoided.
Description
Technical Field
The utility model belongs to the technical field of flow-regulating piston valves, and particularly relates to a flow-regulating piston valve capable of descaling and backwashing.
Background
The flow regulating piston valve consists of valve body, crank pin, guide rail, piston, throttle unit, sealing seat, sealing ring, connecting rod, valve shaft, valve cover, etc. When the piston valve operates, torque is output through the driving device and is transmitted to the valve shaft through key connection, the valve shaft is connected with the crank through a key, the torque is transmitted to the connecting rod, the connecting rod is connected with the piston through a pin, the piston moves back and forth on the valve body guide rail, the area involved in controlling overflow is changed, and the problems that when the piston valve in the market at present is used in areas with harder water quality such as northwest, or in areas with abundant algae and shellfishes in fresh water, the contact surface of the outer wall surface of the piston and the inner wall surface of the guide rail is easy to scale and the shellfishes are attached when the piston valve is not used for a long time, so that the valve is blocked when being reused, the action is insensitive and the like are solved.
The present utility model has been made in view of this.
Disclosure of Invention
The utility model aims to solve the technical problems and overcome the defects of the prior art, and provides a flow regulating piston valve capable of descaling and backwashing, which adopts the following basic conception:
the utility model provides a can scale removal and back flush flow control piston valve, includes valve body and piston, sliding connection installs in the valve body the piston, the valve body with the position of piston contact is provided with carbide layer one, the side of piston is provided with the throttling element, throttling element is kept away from the outside of piston one end sets up with the sealing seat, the sealing seat with the junction of throttling element is provided with carbide layer two.
As a further scheme of the utility model: the first hard alloy layer and the second hard alloy layer are of build-up welding structures, the first hard alloy layer is arranged at one end, close to the throttling component, of the inner side of the valve body, the second hard alloy layer is arranged on the inclined surface of the sealing seat, and attachments on the surface of the movable component can be effectively removed through the first hard alloy layer and the second hard alloy layer.
As still further aspects of the utility model: the outside of valve body is provided with the valve urceolus, the inside of valve body is provided with the valve inner tube, the below intermediate position of valve urceolus is provided with blowdown ball valve two, the valve inner tube is kept away from the sharp cross-section department of throttling element one end is provided with blowdown ball valve one, blowdown ball valve one extends to the valve urceolus, blowdown ball valve one with blowdown ball valve two can utilize pipeline internal pressure to in time discharge the valve body with the inside deposited impurity of valve body.
As still further aspects of the utility model: the valve inner barrel is far away from the valve gap is installed to the one end of throttling element, the valve gap is cambered surface structural design, be provided with the valve shaft in the valve body, the crank is installed through key connection in the outside of valve shaft, the valve shaft is used for the crank rotates and provides power support.
As still further aspects of the utility model: the end position of the crank is provided with a crank pin, the crank is connected with one end of a connecting rod through the crank pin, the other end of the connecting rod is connected with the piston, and the connecting rod drives the piston to horizontally move through rotation of the crank.
As still further aspects of the utility model: the valve body is internally provided with a guide rail, the piston moves along the guide rail, and a sealing ring is arranged on the joint surface of the piston and the throttling component and used for enhancing the connection tightness.
By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects.
The valve is additionally provided with the hard alloy layer I at the contact position of the valve body and the piston, the hard alloy layer I is used as a scraping device for removing scale and shell vegetables and the like on the outer wall of the piston, the hard alloy layer II is additionally provided at the joint of the sealing seat and the throttling part, and the hard alloy layer I is used as a scraping device for removing scale and shell vegetables on the outer wall of the throttling part, so that the internal blockage of the piston valve is avoided.
According to the regulating piston valve, the drain ball valve is respectively arranged at the inner cylinder and the outer cylinder of the valve body, so that impurities deposited in the valve body can be timely removed from the positions of the valve body and the running guide rail by utilizing the pressure in the pipeline, and adverse effects of impurities on the running of the valve are avoided.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model, without limitation to the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:
FIG. 1 is a schematic view of a valve structure according to the present utility model;
fig. 2 is a schematic view of the position of the scraping device of the present utility model.
In the figure: 1. a valve body; 2. a crank; 3. a crank pin; 4. a guide rail; 5. a piston; 6. a throttle member; 7. a valve cover; 8. a valve shaft; 9. a connecting rod; 10. a seal ring; 11. a sealing seat; 12. a hard alloy layer I; 13. a hard alloy layer II; 14. a first sewage discharge ball valve; 15. a second sewage discharge ball valve; 16. a valve inner cylinder; 17. and a valve outer cylinder.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
As shown in fig. 1 to 2, a flow regulating piston valve capable of descaling and backwashing comprises a valve body 1 and a piston 5, wherein the piston 5 is installed in sliding connection with the valve body 1, a first hard alloy layer 12 is arranged at a position where the valve body 1 contacts with the piston 5, a throttling part 6 is arranged at the side edge of the piston 5, a sealing seat 11 is arranged at the outer side of one end, far away from the piston 5, of the throttling part 6, a second hard alloy layer 13 is arranged at the joint of the sealing seat 11 and the throttling part 6, the first hard alloy layer 12 is used as a scraping device for removing scale and shell vegetables and the like on the outer wall of the piston 5, and the second hard alloy layer 13 is used as a scraping device for removing scale and shell vegetables on the outer wall of the throttling part 6.
The first hard alloy layer 12 and the second hard alloy layer 13 are of build-up welding structures, the first hard alloy layer 12 is arranged at one end, close to the throttling component 6, of the inner side of the valve body 1, the second hard alloy layer 13 is arranged on the inclined surface of the sealing seat 11, and the first hard alloy layer 12 and the second hard alloy layer 13 can effectively remove attachments on the surface of the movable component.
The outside of valve body 1 is provided with valve urceolus 17, and the inside of valve body 1 is provided with valve inner tube 16, and the below intermediate position of valve urceolus 17 is provided with blowdown ball valve two 15, and the straight line cross-section department that valve inner tube 16 kept away from throttle part 6 one end is provided with blowdown ball valve one 14, and blowdown ball valve one 14 extends to valve body 1 urceolus, and blowdown ball valve one 14 and blowdown ball valve two 15 can utilize pipeline internal pressure to in time discharge valve body 1 with the inside deposited impurity of valve body 1.
The valve gap 7 is installed to the one end that valve inner tube 16 kept away from throttle part 6, and valve gap 7 is cambered surface structural design, is provided with valve shaft 8 in the valve body 1, and crank 2 is installed through the key connection in the outside of valve shaft 8, and valve shaft 8 is used for providing power support for the rotation of crank 2.
The end position of the crank 2 is provided with a crank pin 3, the crank 2 is connected with one end of a connecting rod 9 through the crank pin 3, the other end of the connecting rod 9 is connected with a piston 5, and the connecting rod 9 drives the piston 5 to horizontally move through rotation of the crank 2.
A guide rail is arranged in the valve body 1, the piston 5 moves along the guide rail, and a sealing ring 10 is arranged on the joint surface of the piston 5 and the throttling part 6 for enhancing the connection tightness
The working principle of the utility model is as follows: the piston 5 valve is characterized in that a first hard alloy layer 12 is arranged at one end, close to a throttle part 6, of the inner side of the valve body 1 in a surfacing manner at the position where the valve body 1 contacts the piston 5, a second hard alloy layer 13 is arranged on the inclined surface of a sealing seat 11 at the joint of the sealing seat 11 and the throttle part 6 in a surfacing manner, in the working process of the valve body 1, a connecting rod 9 drives the piston 5 to horizontally move along a guide rail 4, the first hard alloy layer 12 can effectively scrape scales, shellfishes and the like on the outer wall of the piston 5, in the moving process of the throttle part 6, the second hard alloy layer 13 can effectively scrape scales and shellfishes on the outer wall of the throttle part 6, scale formation on the inner wall of the valve body 1 is avoided, impurities can be deposited in the valve body 1 after impurities, shellfishes and the like in the valve are scraped, the first blowdown ball valve 14 can discharge the impurities of the valve inner barrel 16 during normal operation, the second blowdown ball valve 15 can discharge the impurities between the valve outer barrel 17 and the valve 16 during the operation of the small opening of the valve, the valve body 1 and the position of the guide rail 4 can be timely removed by the back flushing of the impurities deposited in the valve body 1 by the pressure inside the pipeline, the valve body can effectively prolong the service life of the valve, which can not influence the operation of impurities on the valve is effectively prolonged.
The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the utility model, may be made by those skilled in the art without departing from the scope of the utility model.
Claims (6)
1. The utility model provides a can scale removal and flow control piston valve of back flush, includes valve body (1) and piston (5), its characterized in that, install in sliding connection in valve body (1) piston (5), valve body (1) with the position of piston (5) contact is provided with carbide layer one (12), the side of piston (5) is provided with throttling element (6), throttling element (6) keep away from the outside of piston (5) one end sets up with sealing seat (11), sealing seat (11) with the junction of throttling element (6) is provided with carbide layer two (13).
2. The flow regulating piston valve capable of descaling and backwashing according to claim 1, wherein the first hard alloy layer (12) and the second hard alloy layer (13) are of a build-up welding structure, the first hard alloy layer (12) is arranged at one end, close to the throttling component (6), of the inner side of the valve body (1), and the second hard alloy layer (13) is arranged on an inclined plane of the sealing seat (11).
3. The flow regulating piston valve capable of descaling and backwashing according to claim 2, wherein a valve outer cylinder (17) is arranged outside the valve body (1), a valve inner cylinder (16) is arranged inside the valve body (1), a blow-down ball valve II (15) is arranged in the middle of the lower part of the valve outer cylinder (17), a blow-down ball valve I (14) is arranged at the straight-line section of one end, far away from the throttling component (6), of the valve inner cylinder (16), and the blow-down ball valve I (14) extends to the valve outer cylinder (17).
4. A flow regulating piston valve capable of descaling and backwashing according to claim 3, and characterized in that one end of the valve inner cylinder (16) far away from the throttling component (6) is provided with a valve cover (7), the valve cover (7) is of an arc surface structural design, a valve shaft (8) is arranged in the valve body (1), and the outer side of the valve shaft (8) is provided with a crank (2) through key connection.
5. The flow regulating piston valve capable of descaling and backwashing according to claim 4, wherein a crank pin (3) is arranged at the end position of the crank (2), the crank (2) is connected with one end of a connecting rod (9) through the crank pin (3), and the other end of the connecting rod (9) is connected with the piston (5).
6. The flow regulating piston valve capable of descaling and backwashing according to claim 5, wherein a guide rail (4) is arranged in the valve body (1), the piston (5) moves along the guide rail (4), and a sealing ring (10) is arranged on the joint surface of the piston (5) and the throttling component (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321533291.1U CN220268485U (en) | 2023-06-15 | 2023-06-15 | Flow-regulating piston valve capable of descaling and backwashing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321533291.1U CN220268485U (en) | 2023-06-15 | 2023-06-15 | Flow-regulating piston valve capable of descaling and backwashing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220268485U true CN220268485U (en) | 2023-12-29 |
Family
ID=89314584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321533291.1U Active CN220268485U (en) | 2023-06-15 | 2023-06-15 | Flow-regulating piston valve capable of descaling and backwashing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220268485U (en) |
-
2023
- 2023-06-15 CN CN202321533291.1U patent/CN220268485U/en active Active
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| GR01 | Patent grant |