CN220268549U - Reducing check valve with high stability - Google Patents
Reducing check valve with high stability Download PDFInfo
- Publication number
- CN220268549U CN220268549U CN202321566996.3U CN202321566996U CN220268549U CN 220268549 U CN220268549 U CN 220268549U CN 202321566996 U CN202321566996 U CN 202321566996U CN 220268549 U CN220268549 U CN 220268549U
- Authority
- CN
- China
- Prior art keywords
- coating
- check valve
- high temperature
- resistant
- polytetrafluoroethylene
- 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.)
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- 239000011248 coating agent Substances 0.000 claims abstract description 101
- 238000000576 coating method Methods 0.000 claims abstract description 101
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 22
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 22
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 22
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000011527 polyurethane coating Substances 0.000 claims abstract description 18
- HYHJDTAYSGQLFB-UHFFFAOYSA-K [Pb+3].[O-]P([O-])([O-])=O Chemical compound [Pb+3].[O-]P([O-])([O-])=O HYHJDTAYSGQLFB-UHFFFAOYSA-K 0.000 claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 15
- 239000004709 Chlorinated polyethylene Substances 0.000 claims abstract description 14
- 229920002681 hypalon Polymers 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 abstract description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 2
- 230000009172 bursting Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 229910052710 silicon Inorganic materials 0.000 abstract description 2
- 239000010703 silicon Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000009434 installation Methods 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Paints Or Removers (AREA)
Abstract
The utility model discloses a variable-diameter check valve with high stability, which comprises a check valve body, wherein the surface of the check valve body is coated with a high-temperature-resistant layer, the inner cavity of the high-temperature-resistant layer comprises a phosphate lead powder coating, a polytetrafluoroethylene coating and an organosilicon high-temperature-resistant coating, and the inner surface of the organosilicon high-temperature-resistant coating is coated on the outer surface of the polytetrafluoroethylene coating. According to the utility model, the high temperature resistant layer, the phosphate lead powder coating, the polytetrafluoroethylene coating and the organic silicon high temperature resistant coating are added, so that the high temperature resistant effect can be achieved, the check valve is prevented from being used in high temperature weather, and thermal expansion and bursting occur due to the influence of high temperature, so that the use stability of the check valve is improved, the service life of the check valve is prolonged, the trouble of workers is solved, and the weather resistant effect can be achieved by adding the weather resistant coating, the chlorosulfonated polyethylene coating, the acrylic polyurethane coating and the high chlorinated polyethylene coating.
Description
Technical Field
The utility model relates to the technical field of variable diameter check valves, in particular to a variable diameter check valve with high stability.
Background
The reducing check valve is used for conveying liquid and is provided with a reducing valve body, one part of the inner cavity of the valve body is a large-diameter inner cavity, the other part of the inner cavity of the valve body is a communicated small-diameter inner cavity, a check valve is arranged in the inner cavity of the valve body, a reducing pipe piece and a water separator are needed to be used when the reducing flow of a pipeline changes in system pipeline installation, and a check valve is also needed to be assembled to prevent backflow;
for example, the Chinese utility model provides a 'variable diameter check valve' patent number: CN215763465U, which comprises a variable-diameter check valve body, a variable-diameter check valve clack, a variable-diameter check valve seat, a variable-diameter check valve clack mounting shaft, a water inlet end variable-diameter check valve clack mounting shaft sleeve, 3 water inlet end variable-diameter check valve clack mounting shaft sleeve fixing bar blocks, a water outlet end variable-diameter check valve clack mounting shaft sleeve and a water outlet end variable-diameter check valve clack mounting shaft sleeve fixing bar block; the reducing check valve clack mounting shaft is provided with the reducing check valve clack reset sealing spring at the part between the reducing check valve clack and the water outlet end reducing check valve clack mounting shaft sleeve, so that the reducing assembly connection of the system pipeline is conveniently realized, the number of pipeline reducing assembly connection pipe fittings is reduced, the system pipeline mounting cost is reduced, and the volume and the mounting space of the pipeline reducing assembly are reduced; the purpose of water outlet diversion is conveniently realized;
the number of the pipeline reducing assembly connecting pipe fittings is reduced, the system pipeline installation cost is reduced, and the volume and the installation space of the pipeline reducing assembly are reduced; the purpose of water outlet diversion is conveniently realized, but the stability of use is not high, so that the check valve is used in high-temperature weather and is influenced by high temperature, thermal expansion burst is easy to occur, the use efficiency of the check valve is reduced, and meanwhile, the trouble is brought to staff.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model aims to provide the variable-diameter check valve with high stability, so that the function of high stability is achieved.
(II) technical scheme
The utility model provides a high-stability variable-diameter check valve, which comprises a check valve body, wherein the surface of the check valve body is coated with a high-temperature-resistant layer, the inner cavity of the high-temperature-resistant layer comprises a phosphate lead powder coating, a polytetrafluoroethylene coating and an organosilicon high-temperature-resistant coating, the inner surface of the organosilicon high-temperature-resistant coating is coated on the outer surface of the polytetrafluoroethylene coating, and the inner surface of the polytetrafluoroethylene coating is coated on the outer surface of the phosphate lead powder coating.
As a preferable scheme, the surface of the high temperature resistant layer is coated with a weather resistant coating, and the inner cavity of the weather resistant coating comprises a chlorosulfonated polyethylene coating, an acrylic polyurethane coating and a high chlorinated polyethylene coating.
Preferably, the outer surface of the chlorosulfonated polyethylene coating is coated on the inner surface of the acrylic polyurethane coating, and the outer surface of the acrylic polyurethane coating is coated on the inner surface of the high chlorinated polyethylene coating.
Preferably, the thickness of the high chlorinated polyethylene coating is larger than that of the acrylic polyurethane coating, and the thickness of the acrylic polyurethane coating is larger than that of the chlorosulfonated polyethylene coating.
Preferably, the thickness of the organosilicon high-temperature-resistant coating is larger than that of the polytetrafluoroethylene coating, and the thickness of the polytetrafluoroethylene coating is larger than that of the phosphate lead powder coating.
(III) beneficial effects
Compared with the prior art, the variable-diameter check valve provided by the utility model has the following beneficial effects.
1. According to the utility model, the high temperature resistant layer, the phosphate lead powder coating, the polytetrafluoroethylene coating and the organic silicon high temperature resistant coating are added, so that the high temperature resistant effect can be achieved, the check valve is prevented from being used in high temperature weather, and thermal expansion and bursting occur due to the influence of high temperature, so that the use stability of the check valve is improved, the service life of the check valve is prolonged, the trouble of workers is solved, and the weather resistant effect can be achieved by adding the weather resistant coating, the chlorosulfonated polyethylene coating, the acrylic polyurethane coating and the high chlorinated polyethylene coating, so that the check valve can be effectively used in different climates, the use efficiency of the check valve is improved, and the working stability of the check valve is also greatly improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the check valve body of the present utility model;
FIG. 3 is a schematic view of the structure of the high temperature resistant layer of the present utility model;
FIG. 4 is a schematic view of the structure of the weather-resistant coating of the present utility model.
In the figure: 1. a check valve body; 2. a high temperature resistant layer; 201. phosphate lead powder coating; 202. a polytetrafluoroethylene coating; 203. a silicone high temperature resistant coating; 3. a weather-resistant coating; 301. a chlorosulfonated polyethylene coating; 302. an acrylic polyurethane coating; 303. a coating of highly chlorinated polyethylene.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model: the utility model provides a high reducing check valve of stability, includes check valve body 1, and the surface coating of check valve body 1 has high temperature resistant layer 2, and high temperature resistant layer 2's inner chamber is including phosphate lead powder coating 201, polytetrafluoroethylene coating 202 and organosilicon high temperature resistant coating 203, and the internal surface coating of organosilicon high temperature resistant coating 203 is in polytetrafluoroethylene coating 202's surface, and polytetrafluoroethylene coating 202's internal surface coating is in phosphate lead powder coating 201's surface.
Through above-mentioned technical scheme, through increasing high temperature resistant layer 2, phosphate lead powder coating 201, polytetrafluoroethylene coating 202 and organosilicon high temperature resistant coating 203, can play high temperature resistant effect, prevent that the check valve from using under high temperature weather, because of high temperature influence makes the appearance thermal expansion burst to improve the stability that the check valve used, not only improved the life of check valve, also solved staff's trouble.
Specifically, the surface of the high temperature resistant layer 2 is coated with a weather resistant coating 3, and the inner cavity of the weather resistant coating 3 comprises a chlorosulfonated polyethylene coating 301, an acrylic polyurethane coating 302 and a high chlorinated polyethylene coating 303.
Through above-mentioned technical scheme, through increasing weather-resistant coating 3, chlorosulfonated polyethylene coating 301, acrylic polyurethane coating 302 and high chlorinated polyethylene coating 303, can play the effect of weather-resistant, effectually make the check valve use under different climates, improved the availability factor of check valve, also improved the stability of check valve work simultaneously greatly.
Specifically, the outer surface of chlorosulfonated polyethylene coating 301 is coated on the inner surface of acrylic polyurethane coating 302, and the outer surface of acrylic polyurethane coating 302 is coated on the inner surface of highly chlorinated polyethylene coating 303.
Through above-mentioned technical scheme, through setting up the position between each layer, improved weather-proof effect.
Specifically, the thickness of the highly chlorinated polyethylene coating 303 is greater than the thickness of the acrylic urethane coating 302, and the thickness of the acrylic urethane coating 302 is greater than the thickness of the chlorosulfonated polyethylene coating 301.
Through above-mentioned technical scheme, through setting up the thickness between each layer, improved weather-proof efficiency greatly.
Specifically, the thickness of the silicone high temperature resistant coating 203 is greater than the thickness of the polytetrafluoroethylene coating 202, and the thickness of the polytetrafluoroethylene coating 202 is greater than the thickness of the phosphate lead powder coating 201.
Through above-mentioned technical scheme, through setting up the thickness between each layer, improved high temperature resistant efficiency greatly.
The working principle of the utility model is that; through increasing high temperature resistant layer 2, phosphate lead powder coating 201, polytetrafluoroethylene coating 202 and organosilicon high temperature resistant coating 203, can play high temperature resistant effect, prevent that the check valve from using under high temperature weather, because of the high temperature influence makes the appearance thermal expansion burst to improve the stability that the check valve used, not only improved the life of check valve, also solved staff's trouble, through increasing weather resistant coating 3, chlorosulfonated polyethylene coating 301, acrylic polyurethane coating 302 and high chlorinated polyethylene coating 303, can play weather resistant effect, effectually make the check valve use under different climates, the availability factor of check valve has been improved, the stability of check valve work has also been improved simultaneously greatly.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (5)
1. The utility model provides a high reducing check valve of stability, includes check valve body (1), its characterized in that: the surface coating of check valve body (1) has high temperature resistant layer (2), the inner chamber of high temperature resistant layer (2) is including phosphate lead powder coating (201), polytetrafluoroethylene coating (202) and organosilicon high temperature resistant coating (203), the internal surface coating of organosilicon high temperature resistant coating (203) is in the surface of polytetrafluoroethylene coating (202), the internal surface coating of polytetrafluoroethylene coating (202) is in the surface of phosphate lead powder coating (201).
2. The high stability variable diameter check valve of claim 1, wherein: the surface of the high temperature resistant layer (2) is coated with a weather resistant coating (3), and the inner cavity of the weather resistant coating (3) comprises a chlorosulfonated polyethylene coating (301), an acrylic polyurethane coating (302) and a high chlorinated polyethylene coating (303).
3. The high stability variable diameter check valve of claim 2, wherein: the outer surface of the chlorosulfonated polyethylene coating (301) is coated on the inner surface of the acrylic polyurethane coating (302), and the outer surface of the acrylic polyurethane coating (302) is coated on the inner surface of the high chlorinated polyethylene coating (303).
4. The high stability variable diameter check valve of claim 2, wherein: the thickness of the high chlorinated polyethylene coating (303) is larger than that of the acrylic polyurethane coating (302), and the thickness of the acrylic polyurethane coating (302) is larger than that of the chlorosulfonated polyethylene coating (301).
5. The high stability variable diameter check valve of claim 1, wherein: the thickness of the organosilicon high-temperature-resistant coating (203) is larger than that of the polytetrafluoroethylene coating (202), and the thickness of the polytetrafluoroethylene coating (202) is larger than that of the phosphate lead powder coating (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321566996.3U CN220268549U (en) | 2023-06-17 | 2023-06-17 | Reducing check valve with high stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321566996.3U CN220268549U (en) | 2023-06-17 | 2023-06-17 | Reducing check valve with high stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220268549U true CN220268549U (en) | 2023-12-29 |
Family
ID=89298181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321566996.3U Active CN220268549U (en) | 2023-06-17 | 2023-06-17 | Reducing check valve with high stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220268549U (en) |
-
2023
- 2023-06-17 CN CN202321566996.3U patent/CN220268549U/en active Active
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