CN213776422U - Long-life stand wear and tear governing valve - Google Patents
Long-life stand wear and tear governing valve Download PDFInfo
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- CN213776422U CN213776422U CN202022822594.8U CN202022822594U CN213776422U CN 213776422 U CN213776422 U CN 213776422U CN 202022822594 U CN202022822594 U CN 202022822594U CN 213776422 U CN213776422 U CN 213776422U
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Abstract
The utility model discloses a wear and tear governing valve of long-life, including valve body, valve plate and valve rod, be formed with the water service port in the valve body, the water service port is plugged up to the valve plate the outside of valve plate be provided with nanometer composite coating, nanometer composite coating include nanometer basic unit and nanometer protective layer. The nanometer base layer is a NiBCr-WC alloy coating which is subjected to laser cladding, the nanometer protective layer is formed by plasma spraying of a WC nanometer ceramic material doped with nanometer lanthanum oxide particles, the WC nanometer ceramic material doped with the nanometer lanthanum oxide particles can be a nanometer-structure ceramic (n-WC-12Co) coating material doped with the nanometer lanthanum oxide particles, and the content of the nanometer lanthanum oxide is 4% -9%.
Description
Technical Field
The utility model belongs to the technical field of the governing valve, refer in particular to a long-life stand wear and tear governing valve.
Background
Regulating valves including regulating valves, ball valves, angle valves, etc.; the regulating valve (gate valve) is a gate plate of an opening and closing member, the moving direction of the gate plate is vertical to the fluid direction, and the regulating valve can only be fully opened and fully closed and cannot be regulated and throttled. However, the reciprocating friction between the bottom of the valve plate and the valve body of the existing regulating valve easily causes the valve plate to be worn, so that the sealing performance of the shutoff of the regulating valve is reduced, and the overall use of the regulating valve is influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a simple structure and good governing valve of wear resistance.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a wear and tear governing valve of long-life, includes valve body, valve plate and valve rod, is formed with the limbers in the valve body, and the limbers is plugged up to the valve plate the outside of valve plate be provided with nanometer composite coating, nanometer composite coating include nanometer basic unit and nanometer protective layer. The nanometer base layer is a NiBCr-WC alloy coating which is subjected to laser cladding, the nanometer protective layer is formed by plasma spraying of a WC nanometer ceramic material doped with nanometer lanthanum oxide particles, the WC nanometer ceramic material doped with the nanometer lanthanum oxide particles can be a nanometer-structure ceramic (n-WC-12Co) coating material doped with the nanometer lanthanum oxide particles, and the content of the nanometer lanthanum oxide is 4% -9%.
Through adopting foretell technical scheme, can ensure the wear-resisting effect of governing valve bottom through setting up nanometer composite coating to improve the life of governing valve.
The utility model discloses further set up to: a flexible transition layer is arranged at the bottom of the water through opening; the flexible transition layer is made of wear-resistant rubber and is fixed through an adhesive.
Through adopting foretell technical scheme, the bottom of limbers is provided with flexible transition layer to can play the effect of flexible transition, and then reduce the probability of valve body and valve plate wearing and tearing.
The utility model discloses further set up to: a wrapping layer is arranged on the outer side of the valve plate and fixedly connected to the outer side of the valve plate through glue; the nano composite coating is coated outside the wrapping layer.
Through adopting foretell technical scheme, the parcel layer can play good transition effect, avoids the direct water service port bottom contact with the valve body of valve plate to improve the life of valve plate.
The utility model discloses further set up to: the wrapping layer is made of hydrogenated nitrile rubber; the outer side of the bottom of the valve plate is provided with a plurality of evenly distributed receiving grooves which are triangular grooves, and the wrapping layer is provided with receiving ribs matched with the receiving grooves.
By adopting the technical scheme, the wrapping layer is made of hydrogenated nitrile rubber, so that the elasticity can be ensured, and the wear-resisting effect of the wrapping layer can also be ensured; the outer side of the bottom of the valve plate is provided with a plurality of evenly distributed receiving grooves which are triangular grooves, the wrapping layer is provided with receiving ribs matched with the receiving grooves, and the strength of connection between the wrapping layer and the valve plate can be ensured through the matching of the receiving ribs and the receiving grooves.
The utility model discloses further set up to: the outer side of the wrapping layer is provided with a grid-shaped groove body, and the section of the groove body is in an isosceles triangle shape; the nanometer base layer is coated on the outer surface of the wrapping layer, and the nanometer protective layer is coated on the nanometer base layer to form the nanometer composite coating.
By adopting the technical scheme, the arrangement of the groove body can ensure the bonding strength between the nano composite coating and the wrapping layer, so that the nano composite coating is prevented from being peeled off and falling off, and the integral practical service life of the regulating valve is ensured; the latticed groove bodies can ensure the whole contact area.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at I;
reference numbers in the drawings and corresponding part names: 1-valve body, 2-valve plate, 3-valve rod, 4-water through port, 5-nano composite coating, 5 a-nano base layer, 5 b-nano protective layer, 6-flexible transition layer, 7-wrapping layer, 8-bearing groove, 9-bearing rib and 10-groove body.
Detailed Description
An embodiment of the present invention is further explained with reference to fig. 1 to 2.
The utility model provides a wear and tear governing valve of long-life, includes valve body 1, valve plate 2 and valve rod 3, is formed with water service port 4 in the valve body 1, and valve plate 2 plugs up water service port 4 the outside of valve plate 2 be provided with nanometer composite coating 5, nanometer composite coating 5 include nanometer basic unit 5a and nanometer protective layer 5 b. The nanometer base layer 5a is a laser cladding NiBCr-WC alloy coating, the nanometer protective layer 5b is formed by plasma spraying a WC nanometer ceramic material doped with nanometer lanthanum oxide particles, the WC nanometer ceramic material doped with the nanometer lanthanum oxide particles can adopt a nanometer structure ceramic (n-WC-12Co) coating material doped with the nanometer lanthanum oxide particles, and the content of the nanometer lanthanum oxide is 4% -9%.
The wear-resistant effect of the bottom of the regulating valve can be ensured by arranging the nano composite coating 5, so that the service life of the regulating valve is prolonged.
Further: a flexible transition layer 6 is arranged at the bottom of the water through port 4; the flexible transition layer 6 is made of wear-resistant rubber, and the flexible transition layer 6 is fixed through an adhesive.
The bottom of the water through port 4 is provided with the flexible transition layer 6, so that the flexible transition effect can be achieved, and the probability of abrasion of the valve body 1 and the valve plate 2 is reduced.
Further: a wrapping layer 7 is arranged on the outer side of the valve plate 2, and the wrapping layer 7 is fixedly connected to the outer side of the valve plate 2 through glue; the nano composite coating 5 is coated outside the wrapping layer 7.
Can play good transition effect through parcel layer 7, avoid valve plate 2 direct and the contact of 4 bottoms of water service ports of valve body 1 to improve valve plate 2's life.
Further: the wrapping layer 7 is made of hydrogenated nitrile rubber; the outer side of the bottom of the valve plate 2 is provided with a plurality of evenly distributed receiving grooves 8 which are triangular grooves, and the wrapping layer 7 is provided with receiving ribs 9 matched with the receiving grooves 8.
The wrapping layer 7 is made of hydrogenated nitrile rubber, so that the elasticity can be ensured, and the wear-resisting effect of the wrapping layer 7 can also be ensured; the outer side of the bottom of the valve plate 2 is provided with a plurality of evenly distributed receiving grooves 8 which are triangular grooves, the wrapping layer 7 is provided with a receiving rib 9 matched with the receiving grooves 8, and the strength of connection between the wrapping layer 7 and the valve plate 2 can be ensured through the matching of the receiving rib 9 and the receiving grooves 8.
Further: a grid-shaped groove body 10 is arranged on the outer side of the wrapping layer 7, and the section of the groove body 10 is in an isosceles triangle shape; the nanometer base layer 5a is coated on the outer surface of the wrapping layer 7, and the nanometer protective layer 5b is coated on the nanometer base layer 5a to form the nanometer composite coating 5.
The combination strength between the nano composite coating 5 and the wrapping layer 7 can be ensured by arranging the groove body 10, so that the nano composite coating 5 is prevented from being peeled off and falling off, and the integral practical service life of the regulating valve is ensured; the lattice-like groove 10 can secure the entire contact area.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (5)
1. The utility model provides a wear and tear governing valve of long-life, includes valve body (1), valve plate (2) and valve rod (3), is formed with water passage (4) in valve body (1), and water passage (4), characterized by are plugged up in valve plate (2): the outer side of the valve plate (2) is provided with a nano composite coating (5), and the nano composite coating (5) comprises a nano base layer (5a) and a nano protective layer (5 b).
2. The long life wear resistant regulator valve of claim 1 wherein: a flexible transition layer (6) is arranged at the bottom of the water through opening (4); the flexible transition layer (6) is made of wear-resistant rubber.
3. The long life wear resistant regulator valve of claim 2 wherein: a wrapping layer (7) is arranged on the outer side of the valve plate (2), and the wrapping layer (7) is fixedly connected to the outer side of the valve plate (2) through glue; the nano composite coating (5) is coated outside the wrapping layer (7).
4. A long life wear resistant regulator valve as defined in claim 3 wherein: the wrapping layer (7) is made of hydrogenated nitrile rubber; the outer side of the bottom of the valve plate (2) is provided with a plurality of evenly distributed receiving grooves (8) which are triangular grooves, and the wrapping layer (7) is provided with receiving ribs (9) matched with the receiving grooves (8).
5. The long life wear resistant regulator valve of claim 4 wherein: the outer side of the wrapping layer (7) is provided with a grid-shaped groove body (10), and the section of the groove body (10) is in an isosceles triangle shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022822594.8U CN213776422U (en) | 2020-11-30 | 2020-11-30 | Long-life stand wear and tear governing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022822594.8U CN213776422U (en) | 2020-11-30 | 2020-11-30 | Long-life stand wear and tear governing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213776422U true CN213776422U (en) | 2021-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022822594.8U Active CN213776422U (en) | 2020-11-30 | 2020-11-30 | Long-life stand wear and tear governing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213776422U (en) |
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2020
- 2020-11-30 CN CN202022822594.8U patent/CN213776422U/en active Active
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