CN213392669U - Special oil return copper check valve for screw machine - Google Patents
Special oil return copper check valve for screw machine Download PDFInfo
- Publication number
- CN213392669U CN213392669U CN202021506721.7U CN202021506721U CN213392669U CN 213392669 U CN213392669 U CN 213392669U CN 202021506721 U CN202021506721 U CN 202021506721U CN 213392669 U CN213392669 U CN 213392669U
- Authority
- CN
- China
- Prior art keywords
- dope layer
- check valve
- surface spraying
- removable cover
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The utility model discloses a special oil return copper check valve of screw rod machine, which comprises a valve body, the through-hole has been seted up to the middle-end of valve body, there is removable cover plate the upper end of valve body through loose axle swing joint, and removable cover plate's surperficial threaded connection has the loose bolt, removable cover plate's surface spraying has epoxy glass steel dope layer. The utility model discloses a removable cover's surface spraying has epoxy glass steel dope layer, epoxy glass steel dope layer's surface spraying has the oily anticorrosive dope layer of improved generation, the surface spraying of the oily anticorrosive dope layer of improved generation has the polyurethane dope layer, the surface spraying of polyurethane dope layer has acrylic acid polysiloxane dope layer, corrosion-resistant effect has been played, the purpose that increases check valve life has been reached, the function that current check valve does not possess the corruption has been solved, lead to causing the corruption because of oil easily in returning oil pipe way, thereby check valve life's problem has been reduced.
Description
Technical Field
The utility model relates to a screw rod machine technical field specifically is a special oil return copper check valve of screw rod machine.
Background
The check valve is needed when the screw machine operates, but the existing check valve has no corrosion function, so that the oil in an oil return pipeline is easy to corrode, and the service life of the check valve is shortened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special oil return copper check valve of screw rod machine possesses corrosion-resistant advantage, has solved current check valve and has not possessed the function of corruption, leads to causing the corruption because of oil easily in returning the oil pipe way to check valve life's problem has been reduced.
The utility model provides a following technical scheme: the utility model provides a special oil return copper check valve of screw rod machine, includes the valve body, the through-hole has been seted up to the middle-end of valve body, there is the removable cover upper end of valve body through loose axle swing joint, and the surperficial threaded connection of removable cover has the loose bolt, the surface spraying of removable cover has epoxy glass steel dope layer, the surface spraying of epoxy glass steel dope layer has the oil-resistant anticorrosive dope layer of improved generation, the surface spraying of the oil-resistant anticorrosive dope layer of improved generation has the polyurethane dope layer, the surface spraying of polyurethane dope layer has acrylic acid polysiloxane dope layer.
The middle end of the top of the valve body is fixedly connected with a fixed rod, and the top of the fixed rod is fixedly connected with a fixed ring.
The inner cavity of the fixing ring is provided with a threaded hole, and the inner cavity of the threaded hole is provided with an internal thread.
The thickness of the epoxy resin glass fiber reinforced plastic coating layer is 0.011mm-0.016mm, and the thickness of the improved oil-resistant anti-corrosion coating layer is 0.012mm-0.016 mm.
The thickness of the polyurethane coating layer is 0.014mm-0.016mm, and the thickness of the acrylic polysiloxane coating layer is 0.013mm-0.019 mm.
The utility model has the advantages as follows: the utility model discloses a removable cover's surface spraying has epoxy glass steel dope layer, epoxy glass steel dope layer's surface spraying has the oily anticorrosive dope layer of improved generation, the surface spraying of the oily anticorrosive dope layer of improved generation has the polyurethane dope layer, the surface spraying of polyurethane dope layer has acrylic acid polysiloxane dope layer, corrosion-resistant effect has been played, the purpose that increases check valve life has been reached, the function that current check valve does not possess the corruption has been solved, lead to causing the corruption because of oil easily in returning oil pipe way, thereby check valve life's problem has been reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the epoxy resin glass fiber reinforced plastic coating layer of the present invention;
fig. 3 is the structural schematic diagram of the threaded hole of the present invention.
In the figure: 1. a valve body; 2. a removable cover plate; 3. a movable shaft; 4. a fixing ring; 5. fixing the rod; 6. a movable bolt; 7. a through hole; 8. an epoxy resin glass fiber reinforced plastic coating layer; 9. an improved oil-resistant anti-corrosion coating layer; 10. a polyurethane coating layer; 11. an acrylic polysiloxane coating layer; 12. a threaded bore.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-3, a copper-return check valve special for a screw machine comprises a valve body 1, a through hole 7 is formed in the middle end of the valve body 1, a movable cover plate 2 is movably connected to the upper end of the valve body 1 through a movable shaft 3, a movable bolt 6 is connected to the surface of the movable cover plate 2 in a threaded manner, an epoxy resin glass fiber reinforced plastic coating layer 8 is sprayed on the surface of the movable cover plate 2, an improved oil-resistant anti-corrosion coating layer 9 is sprayed on the surface of the epoxy resin glass fiber reinforced plastic coating layer 8, a polyurethane coating layer 10 is sprayed on the surface of the improved oil-resistant anti-corrosion coating layer 9, an acrylic polysiloxane coating layer 11 is sprayed on the surface of the polyurethane coating layer 10, a corrosion-resistant effect is achieved, the service life of the check valve is prolonged, a fixed rod 5 is fixedly connected to the middle end of the top of the valve body, and the inner cavity of the threaded hole 12 is provided with internal threads, the thickness of the epoxy resin glass fiber reinforced plastic coating layer 8 is 0.011mm-0.016mm, the thickness of the improved oil-resistant anti-corrosion coating layer 9 is 0.012mm-0.016mm, the thickness of the polyurethane coating layer 10 is 0.014mm-0.016mm, and the thickness of the acrylic polysiloxane coating layer 11 is 0.013mm-0.019 mm.
The utility model discloses a surface coating of removable cover 2 has epoxy glass steel dope layer 8, epoxy glass steel dope layer 8's surface coating has improved generation resistant oily anticorrosion dope layer 9, improved generation resistant oily anticorrosion dope layer 9's surface coating has polyurethane dope layer 10, polyurethane dope layer 10's surface coating has acrylic acid polysiloxane dope layer 11, corrosion-resistant effect has been played, the purpose that increases check valve life has been reached, the function that current check valve does not possess the corruption has been solved, lead to causing the corruption because of oil easily in returning the oil pipe way, thereby check valve life's problem has been reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a special oil return copper check valve of screw rod machine, includes valve body (1), its characterized in that: through-hole (7) have been seted up to the middle-end of valve body (1), there is removable cover board (2) upper end of valve body (1) through loose axle (3) swing joint, and the surperficial threaded connection of removable cover board (2) has loose bolt (6), the surface spraying of removable cover board (2) has epoxy glass steel dope layer (8), the surface spraying of epoxy glass steel dope layer (8) has improved generation resistant oily anticorrosion dope layer (9), the surface spraying of improved generation resistant oily anticorrosion dope layer (9) has polyurethane dope layer (10), the surface spraying of polyurethane dope layer (10) has acrylic acid polysiloxane dope layer (11).
2. The special copper return check valve for the screw machine according to claim 1, wherein: the middle end of the top of the valve body (1) is fixedly connected with a fixing rod (5), and the top of the fixing rod (5) is fixedly connected with a fixing ring (4).
3. The special copper return check valve for the screw machine according to claim 2, wherein: the inner cavity of the fixing ring (4) is provided with a threaded hole (12), and the inner cavity of the threaded hole (12) is provided with an internal thread.
4. The special copper return check valve for the screw machine according to claim 1, wherein: the thickness of the epoxy resin glass fiber reinforced plastic coating layer (8) is 0.011mm-0.016mm, and the thickness of the improved oil-resistant anti-corrosion coating layer (9) is 0.012mm-0.016 mm.
5. The special copper return check valve for the screw machine according to claim 1, wherein: the thickness of the polyurethane coating layer (10) is 0.014mm-0.016mm, and the thickness of the acrylic polysiloxane coating layer (11) is 0.013mm-0.019 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021506721.7U CN213392669U (en) | 2020-07-27 | 2020-07-27 | Special oil return copper check valve for screw machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021506721.7U CN213392669U (en) | 2020-07-27 | 2020-07-27 | Special oil return copper check valve for screw machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213392669U true CN213392669U (en) | 2021-06-08 |
Family
ID=76203544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021506721.7U Active CN213392669U (en) | 2020-07-27 | 2020-07-27 | Special oil return copper check valve for screw machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213392669U (en) |
-
2020
- 2020-07-27 CN CN202021506721.7U patent/CN213392669U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213392669U (en) | Special oil return copper check valve for screw machine | |
| CN203476224U (en) | Macromolecule abrasion-resistant and anti-corrosion sucker rod | |
| CN203856541U (en) | Sump oil discharge screw plug | |
| CN213870652U (en) | Anticorrosive high strength hot-galvanize bolt | |
| CN201128974Y (en) | Non-bonded prestressed wire | |
| CN210165017U (en) | Stainless steel lined composite steel pipe | |
| CN207364220U (en) | A kind of gear input shaft component for differential mechanism | |
| CN212055709U (en) | Ball screw | |
| CN202558938U (en) | Anti-corrosion power transmission iron tower angle steel and anti-corrosion power transmission iron tower steel tube | |
| CN216642735U (en) | Novel flat head stud for mobile phone | |
| CN214424893U (en) | Novel anti-oxidation and corrosion-resistant flange nut | |
| CN213329157U (en) | Single-axle hydraulic driving device of high-power land leveler | |
| CN204493345U (en) | A kind of stainless steel piston rod | |
| CN218118366U (en) | Long-acting lubricating bearing with seat | |
| CN216691694U (en) | Piston rod of hydraulic oil cylinder | |
| CN203348766U (en) | Pipe joint for automobile | |
| CN211976039U (en) | Culvert sewage pretreatment automatic valve | |
| CN205172459U (en) | Oily casing coupling of antiseized knot anticorrosives | |
| CN212900213U (en) | PPR loose joint | |
| CN219587894U (en) | Telescopic anti-corrosion structure of hydraulic cylinder | |
| CN215058767U (en) | Light and thin nut with good anti-loosening performance for bullet train track | |
| CN208595133U (en) | A kind of fiber pultrusion reinforced plastics automobile saddle pin shaft | |
| CN219388383U (en) | Stainless steel bolt with high strength and good impact resistance effect | |
| CN212389634U (en) | Anti-corrosion hexagon bolt | |
| CN201809109U (en) | Integrally sealing jack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A special oil return copper check valve for screw machine Effective date of registration: 20220620 Granted publication date: 20210608 Pledgee: Ruanshi sub branch of Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: Zhejiang Fuchao safety valve manufacturing Co.,Ltd. Registration number: Y2022980008098 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230703 Granted publication date: 20210608 Pledgee: Ruanshi sub branch of Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: Zhejiang Fuchao safety valve manufacturing Co.,Ltd. Registration number: Y2022980008098 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A special return oil copper one-way valve for screw machines Effective date of registration: 20230714 Granted publication date: 20210608 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: Zhejiang Fuchao safety valve manufacturing Co.,Ltd. Registration number: Y2023980048484 |