CN218480205U - Rubber sealing element for check valve - Google Patents
Rubber sealing element for check valve Download PDFInfo
- Publication number
- CN218480205U CN218480205U CN202222284333.4U CN202222284333U CN218480205U CN 218480205 U CN218480205 U CN 218480205U CN 202222284333 U CN202222284333 U CN 202222284333U CN 218480205 U CN218480205 U CN 218480205U
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- CN
- China
- Prior art keywords
- rubber
- sealing element
- check valve
- fixedly connected
- waterproof layer
- 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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Links
- 229920001971 elastomer Polymers 0.000 title claims abstract description 85
- 238000007789 sealing Methods 0.000 title claims abstract description 54
- 238000005260 corrosion Methods 0.000 claims abstract description 16
- 229920002379 silicone rubber Polymers 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model discloses a rubber seal spare for check valve, including the sealing member body, the surface of sealing member body is provided with the rubber circle, and the inner chamber symmetry of rubber circle is fixed and has been seted up the spring groove, the inner chamber fixedly connected with backing plate in spring groove, the middle fixedly connected with spring of the inner chamber in spring groove and backing plate, the sealing member body include the waterproof layer, the top fixedly connected with anti-corrosion coating of waterproof layer, the bottom fixedly connected with wearing layer of waterproof layer, the utility model relates to a rubber seal spare technical field. The rubber sealing element for the check valve solves the problems that the rubber sealing element is often extruded from two sides to the rubber sealing element when the existing rubber sealing element is used, the rubber sealing element is easy to deform after being extruded for a long time, the sealing performance of the rubber sealing element is poor, water leakage is easy, and the service life of the rubber sealing element is greatly shortened.
Description
Technical Field
The utility model relates to a rubber seal technical field specifically is a rubber seal for check valve.
Background
The existing rubber sealing element is used, the rubber sealing element can often receive extrusion force from two sides to the existing rubber sealing element, the rubber sealing element is easy to deform after being extruded for a long time, the sealing performance of the rubber sealing element is not strong, water leakage is easy, and the service life of the rubber sealing element is greatly shortened.
For example, patent No. CN212959835U is a rubber sealing element for a check valve, which has the advantages of strong structural pressure-bearing capacity, good sealing performance, etc., but the rubber sealing element may fall off after a certain friction with the inner wall of the check valve after a long time.
For example, patent No. CN214579072U, specifically, a rubber sealing member for check valve, which has a good sealing property in the early stage and can be tightly attached to a connecting member, so as to prevent air leakage, but after a period of time, the rubber sealing member deforms, and the sealing property of the rubber sealing member deteriorates, so that the service life of the rubber sealing member is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a rubber seal for check valve has solved current rubber seal and at the in-process that uses, and rubber seal often can receive the extrusion force of coming from both sides to it, makes rubber seal after long-time extrusion, produces easily and warp, and then makes rubber seal's leakproofness not strong, leaks easily, the also great problem of reducing rubber seal's life.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the rubber sealing element for the check valve comprises a sealing element body, wherein a rubber ring is arranged on the surface of the sealing element body.
The rubber ring is characterized in that spring grooves are symmetrically and fixedly formed in the inner cavity of the rubber ring, a base plate is fixedly connected to the inner cavity of each spring groove, and a spring is fixedly connected between the inner cavity of each spring groove and the base plate.
The sealing element body comprises a waterproof layer, the top of the waterproof layer is fixedly connected with an anti-corrosion layer, and the bottom of the waterproof layer is fixedly connected with a wear-resistant layer.
Preferably, the rubber ring is fixedly sleeved on the surface of the waterproof layer.
Preferably, the surfaces of the anti-corrosion layer, the waterproof layer and the wear-resistant layer are provided with mounting holes.
Preferably, the anti-corrosion layer is made of epoxy resin.
Preferably, the rubber ring is made of silicon rubber.
Preferably, the wear-resistant layer is a polyurethane elastomer material.
Advantageous effects
The utility model provides a rubber seal for check valve. Compared with the prior art, the method has the following beneficial effects:
1. the rubber sealing element for the check valve is characterized in that a mounting hole is formed in the middle of a sealing element body, the rubber sealing element can be fixed on the check valve, an anti-corrosion layer is fixedly connected to the surface of the mounting hole, the sealing element can be prevented from being corroded in the using process, a waterproof layer is arranged at the bottom of the anti-corrosion layer, a rubber ring is fixedly sleeved on the surface of the waterproof layer, certain extrusion force is formed on the two sides of the rubber ring to the rubber ring, the rubber ring can deform to a certain extent, a spring groove is formed in the rubber ring, the spring can conveniently perform elastic motion in an inner cavity of the rubber ring, the two sides of the rubber ring are abutted to the inner wall of the check valve, extrusion force is generated on the two sides of the rubber ring on the inner wall of the check valve, and the effect of preventing water leakage is achieved.
2. This rubber sealing member for check valve, after there is not the extrusion force both sides through the rubber circle, the spring has also not had the extrusion force yet, and the spring cushions the inner wall of rubber circle, makes it can reset after there is not the extrusion force to can make it be difficult to warp, strengthened its life.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic cross-sectional view of the sealing member body of the present invention.
Fig. 3 is a schematic top view of the structure of the present invention.
Fig. 4 is a schematic view of the structure of the present invention from the bottom.
Fig. 5 is a schematic sectional view of the rubber ring of the present invention.
In the figure: 1. a seal body; 11. an anti-corrosion layer; 12. a waterproof layer; 13. a wear layer; 14. mounting holes; 2. a rubber ring; 21. a spring slot; 22. a base plate; 23. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a rubber sealing element for a check valve comprises a sealing element body 1, wherein a rubber ring 2 is arranged on the surface of the sealing element body 1.
Referring to fig. 2-4, the sealing element body 1 includes a waterproof layer 12, an anti-corrosion layer 11 is fixedly connected to the top of the waterproof layer 12, a wear-resistant layer 13 is fixedly connected to the bottom of the waterproof layer 12, the rubber ring 2 is fixedly sleeved on the surface of the waterproof layer 12, mounting holes 14 are formed in the surfaces of the anti-corrosion layer 11, the waterproof layer 12 and the wear-resistant layer 13, the anti-corrosion layer 11 is made of epoxy resin, and the wear-resistant layer 13 is made of polyurethane elastomer.
Referring to fig. 5, the rubber ring 2 is made of silicon rubber, the inner cavity of the rubber ring 2 is symmetrically and fixedly provided with spring slots 21, the inner cavity of the spring slot 21 is fixedly connected with a backing plate 22, and a spring 23 is fixedly connected between the inner cavity of the spring slot 21 and the backing plate 22.
When the sealing element is used, the middle of the sealing element body 1 is provided with the mounting hole 14, the sealing element can be fixed on the check valve, the anti-corrosion layer 11 is fixedly connected to the surface of the mounting hole 14, the sealing element can not be corroded in the using process, the bottom of the anti-corrosion layer 11 is provided with the waterproof layer 12, the rubber ring 2 is fixedly sleeved on the surface of the waterproof layer 12, the waterproof layer 12 and the rubber ring 2 are both made of silicon rubber, the silicon rubber sealing ring has excellent heat resistance, cold resistance, ozone resistance and atmospheric aging resistance, the wear-resistant layer 13 is made of a polyurethane elastomer and is excellent in wear resistance, compared with natural rubber, the wear resistance of the sealing element can be improved by 2-10 times, and the sealing element also has excellent shock absorption and buffering properties, the anti-corrosion layer 11 is made of epoxy resin, and the sealing element has the characteristics of compactness, water resistance, good leakage resistance, high strength and the like and has good manufacturability of strong adhesive force, normal-temperature operation, simple and convenient construction and the like. When the check valve is to be sealed, the two sides of the rubber ring 2 form certain extrusion force on the rubber ring 2, the rubber ring 2 can deform to a certain degree, the spring groove 21 is formed in the rubber ring 2, the spring 23 can move elastically in the inner cavity of the rubber ring 2 conveniently, the two sides of the rubber ring 2 are abutted to the inner wall of the check valve, the extrusion force is generated on the two sides of the rubber ring 2 on the inner wall of the check valve, the water leakage prevention effect is achieved, the cushion plate 22 enables the spring 23 to be stressed uniformly on the inner wall of the rubber ring 2, the spring 23 does not have extrusion force after the extrusion force does not exist on the two sides of the rubber ring 2, the spring 23 buffers the inner wall of the rubber ring 2, the rubber ring can reset after the extrusion force does not exist, the rubber ring is not prone to deformation, and the service life of the rubber ring is prolonged.
And those not described in detail in this specification are well within the skill of those in the art.
Claims (6)
1. The utility model provides a rubber seal for check valve, includes sealing member body (1), its characterized in that: the surface of the sealing element body (1) is provided with a rubber ring (2);
spring grooves (21) are symmetrically and fixedly formed in the inner cavity of the rubber ring (2), a backing plate (22) is fixedly connected to the inner cavity of the spring grooves (21), and springs (23) are fixedly connected between the inner cavity of the spring grooves (21) and the backing plate (22);
the sealing element body (1) comprises a waterproof layer (12), the top of the waterproof layer (12) is fixedly connected with an anti-corrosion layer (11), and the bottom of the waterproof layer (12) is fixedly connected with a wear-resistant layer (13).
2. The rubber seal for a check valve according to claim 1, wherein: the rubber ring (2) is fixedly sleeved on the surface of the waterproof layer (12).
3. The rubber seal for a check valve according to claim 1, wherein: and mounting holes (14) are formed in the surfaces of the anti-corrosion layer (11), the waterproof layer (12) and the wear-resistant layer (13).
4. The rubber seal for a check valve according to claim 3, wherein: the anti-corrosion layer (11) is made of epoxy resin.
5. The rubber seal for a check valve according to claim 2, wherein: the rubber ring (2) is made of silicon rubber.
6. The rubber seal for a check valve according to claim 3, wherein: the wear-resistant layer (13) is made of polyurethane elastomer material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222284333.4U CN218480205U (en) | 2022-08-30 | 2022-08-30 | Rubber sealing element for check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222284333.4U CN218480205U (en) | 2022-08-30 | 2022-08-30 | Rubber sealing element for check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218480205U true CN218480205U (en) | 2023-02-14 |
Family
ID=85166678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222284333.4U Active CN218480205U (en) | 2022-08-30 | 2022-08-30 | Rubber sealing element for check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218480205U (en) |
-
2022
- 2022-08-30 CN CN202222284333.4U patent/CN218480205U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240103 Address after: 226500 No.8 Xinyuan North Road, Chengnan street, Rugao City, Nantong City, Jiangsu Province Patentee after: Nantong Zhonghydrogen Sealing Materials Co.,Ltd. Address before: Group 21, Tianbao Community, Chengnan Street, Rugao City, Nantong City, Jiangsu Province, 226500 Patentee before: Nantong Dingying Technology Co.,Ltd. |