CN204083223U - The compound tooth-shaped seal ring of water-swellable and socket pipe member - Google Patents
The compound tooth-shaped seal ring of water-swellable and socket pipe member Download PDFInfo
- Publication number
- CN204083223U CN204083223U CN201420182845.2U CN201420182845U CN204083223U CN 204083223 U CN204083223 U CN 204083223U CN 201420182845 U CN201420182845 U CN 201420182845U CN 204083223 U CN204083223 U CN 204083223U
- Authority
- CN
- China
- Prior art keywords
- seal ring
- rubber
- pipe
- water
- swellable
- 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.)
- Expired - Lifetime
Links
- 150000001875 compounds Chemical class 0.000 title claims abstract description 20
- 229920001971 elastomer Polymers 0.000 claims abstract description 50
- 239000005060 rubber Substances 0.000 claims abstract description 50
- 239000000463 material Substances 0.000 claims abstract description 12
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 4
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 3
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 239000005062 Polybutadiene Substances 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 229920002125 Sokalan® Polymers 0.000 claims description 3
- 229920002472 Starch Polymers 0.000 claims description 3
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 229920005549 butyl rubber Polymers 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 3
- ONCZQWJXONKSMM-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4].[Si+4].[Si+4].[Si+4] ONCZQWJXONKSMM-UHFFFAOYSA-N 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 229920003049 isoprene rubber Polymers 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- 239000004584 polyacrylic acid Substances 0.000 claims description 3
- 229920002857 polybutadiene Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims description 3
- 229940080314 sodium bentonite Drugs 0.000 claims description 3
- 229910000280 sodium bentonite Inorganic materials 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- 239000004831 Hot glue Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- -1 Polyethylene Polymers 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Landscapes
- Joints With Sleeves (AREA)
Abstract
The utility model discloses a kind of compound tooth-shaped seal ring of water-swellable, comprise: seal ring body, the cross section of seal ring body is L-type, comprise horizontally disposed first and vertically disposed second, the outside of first is provided with multiple outwardly rubber teeth, and rubber teeth adopts hydro-expansive rubber material.The utility model additionally provides the socket pipe member with above-mentioned seal ring.The compound tooth-shaped seal ring of water-swellable of the present utility model, the cross section of seal ring body is L-type, fits tightr with pipeline; The compound tooth-shaped seal ring of water-swellable of the present utility model, rubber teeth adopts hydro-expansive rubber material, only has rubber teeth to expand, avoid whole seal ring to be out of shape because of overexpansion when meeting water.
Description
Technical field
The utility model relates to tubing connected element technical field, is specifically related to a kind of compound tooth-shaped seal ring of water-swellable and has the socket pipe member of sealing circle.
Background technique
Polyethylene or polypropylene entwining tube have the advantages such as good water conservancy characteristic, stronger ground adaptability, higher anti-ageing anti-corrosion property, are widely used in municipal drainage field.The unidirectional socket joint of the many uses of current entwining tube connects, to ensure the agility of sealing and the construction connected.
Rubber seal many employings neoprene that general socket joint connects is made, and main pipeline rubber ring and the bellmouth inwall in installation process of relying on produced interference fit, and the deformation of rubber ring generation elastic physical property reaches, thus arrives the effect of hermetic seal.There is following problem in pipeline: 1, certain distortion may occur for plastic pipe or bellmouth in as installed process; 2, socket or bellmouth may be stained with aggregate chips or sandy soil; 3, pipeline is not that straight line is installed, and jointing exists certain corner.In these cases, existing seal ring is difficult to ensure to form tight contact condition with tube wall surrounding simultaneously, and seepage may be made not because of resiliently deformable in local.Prior art CN201902752 provides a kind of entwining tube water swelling rubber ring, and this adhesive tape in use can imbibition, can make up the gap that pipe part deforms or interface installing angle produces, and then ensures that seal for pipe joints is non-leakage.This kind of design uses pure hydro-expansive rubber to make, and after running into water, the change of 100%-400% can occur volume, and while cushion rubber thickness swells, its girth also can occur to increase more significantly.There is the risk of turning up from socket expansion local shedding or cushion rubber in cushion rubber in the process that length increases.
Model utility content
The purpose of this utility model is the defect for above-mentioned prior art, propose a kind of compound tooth-shaped seal ring of water-swellable and there is the socket pipe member of sealing circle, solving seal ring and pipe socket in prior art and to fit technical problem that is tight and seal ring overexpansion.
The technical solution of the utility model comprises a kind of compound tooth-shaped seal ring of water-swellable, comprise: seal ring body, the cross section of described seal ring body is L-type, comprise horizontally disposed first and vertically disposed second, the outside of described first is provided with multiple outwardly rubber teeth, and described rubber teeth adopts hydro-expansive rubber material.
Preferably, the corner of the L-type outside of described seal ring body is provided with chamfer or circular arc chamfering.
Preferably, the quantity of described rubber teeth is 2 to 8.
Preferably, the shape of cross section of described multiple rubber teeth be selected from triangle, trapezoidal, rectangle, spherical or ellipse domed one or more.
Preferably, the material that described seal ring body adopts is neoprene, butyl rubber, nitrile butadiene rubber, butadiene rubber, isoprene rubber, ethylene propylene diene rubber, chlorinated butyl, fluorine rubber or silicone rubber.
Preferably, described hydro-expansive rubber contains hydrophilic polyurethane, polyacrylamide, polyacrylic acid, polyvinyl alcohol, high sodium bentonite or its modified product, cellulose and grafting modified of starch product.
The utility model additionally provides a kind of socket pipe member with seal ring, comprise with the first pipe of socket end, with the second pipe of female end, seal ring according to claim 1, described first pipe and the second pipe are interconnected by socket end and female end, described seal ring is located between described socket end and female end, wherein, the inner side of L-type seal ring body coordinates with socket end, and the outside of L-type seal ring body coordinates with female end.
Preferably, described female end is located at described second pipe by hot melt adhesive.
Preferably, described first pipe and described second pipe are entwining tube.
Compared with prior art, the beneficial effects of the utility model comprise: the compound tooth-shaped seal ring of water-swellable of the present utility model, and the cross section of seal ring body is L-type, fits tightr with pipeline; The compound tooth-shaped seal ring of water-swellable of the present utility model, rubber teeth adopts hydro-expansive rubber material, only has rubber teeth to expand, avoid whole seal ring to be out of shape because of overexpansion when meeting water.
Accompanying drawing explanation
Fig. 1 is the structural representation of the compound tooth-shaped seal ring of the water-swellable of the utility model embodiment 1;
Fig. 2 is the sectional view of rubber teeth in the compound tooth-shaped seal ring of the water-swellable of the utility model embodiment 1;
Fig. 3 is the socket pipe member of the band seal ring of the utility model embodiment 2.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The utility model provides a kind of compound tooth-shaped seal ring of water-swellable, comprise: seal ring body, the cross section of described seal ring body is L-type, comprise horizontally disposed first and vertically disposed second, the outside of described first is provided with multiple outwardly rubber teeth, and described rubber teeth adopts hydro-expansive rubber material.
Particularly, the compound tooth-shaped seal ring of above-mentioned water-swellable, the cross section of seal ring body is L-type, fits tightr with pipeline; The compound tooth-shaped seal ring of water-swellable of the present utility model, rubber teeth adopts hydro-expansive rubber material, only has rubber teeth to expand, avoid whole seal ring to be out of shape because of overexpansion when meeting water.
embodiment 1:
The compound tooth-shaped seal ring that example 1 provides a kind of water-swellable of the present utility model, as shown in Figure 1, sealing circle comprises: seal ring body 1 and rubber teeth 2, wherein, the cross section of seal ring body 1 is L-type, comprise horizontally disposed first 11 and vertically disposed second 12, the outwardly outside being located at first 11 of rubber teeth 2, rubber teeth 2 adopts hydro-expansive rubber material.
Further, the corner of the L-type outside of seal ring body 1 is provided with chamfer or circular arc chamfering; The quantity of rubber teeth 2 is multiple, is preferably 2 to 8.
The shape of cross section of rubber teeth 2 be selected from triangle, trapezoidal, rectangle, spherical or ellipse domed one or more, refer to shown in Fig. 2, the shape of cross section of rubber teeth 2 can be various.
The material that seal ring body 1 adopts is neoprene, butyl rubber, nitrile butadiene rubber, butadiene rubber, isoprene rubber, ethylene propylene diene rubber, chlorinated butyl, fluorine rubber or silicone rubber; The hydro-expansive rubber of rubber teeth 2 contains hydrophilic polyurethane, polyacrylamide, polyacrylic acid, polyvinyl alcohol, high sodium bentonite or its modified product, cellulose and grafting modified of starch product.
Its body cross-section of the seal ring of the present embodiment is L-type, fits tightr with pipeline; The seal ring of the present embodiment only has rubber teeth to adopt hydro-expansive rubber material, while guarantee seepage does not occur, avoids whole seal ring to be out of shape because of overexpansion.
embodiment 2:
Embodiment 2 of the present utility model provides a kind of socket pipe member with seal ring, as shown in Figure 3, this socket pipe member comprises: with the first pipe 3 of socket end 31, with the second pipe 4 of female end 41, the seal ring I of embodiment 1 and heat-fusing glue layer 5, wherein, first pipe 3 and the second pipe 4 are interconnected by socket end 31 and female end 41, seal ring I is located between socket end 31 and female end 41, the inner side of L-type seal ring body 1 coordinates with socket end 31, the outside of L-type seal ring body 1 coordinates with female end 41, female end 41 is located on the second pipe 4 by heat-fusing glue layer 5, first pipe 3 and the second pipe 4 are entwining tube.
The above embodiment of the present utility model, does not form the restriction to the utility model protection domain.Any various other made according to technical conceive of the present utility model change and distortion accordingly, all should be included in the protection domain of the utility model claim.
Claims (7)
1. the compound tooth-shaped seal ring of a water-swellable, it is characterized in that, comprise: seal ring body, the cross section of described seal ring body is L-type, comprise horizontally disposed first and vertically disposed second, the outside of described first is provided with multiple outwardly rubber teeth, described rubber teeth adopts hydro-expansive rubber material, wherein, the material that described seal ring body adopts is neoprene, butyl rubber, nitrile butadiene rubber, butadiene rubber, isoprene rubber, ethylene propylene diene rubber, chlorinated butyl, fluorine rubber or silicone rubber; Described hydro-expansive rubber contains hydrophilic polyurethane, polyacrylamide, polyacrylic acid, polyvinyl alcohol, high sodium bentonite or its modified product, cellulose and grafting modified of starch product.
2. the compound tooth-shaped seal ring of water-swellable according to claim 1, is characterized in that, the corner of the L-type outside of described seal ring body is provided with chamfer or circular arc chamfering.
3. the compound tooth-shaped seal ring of water-swellable according to claim 1, is characterized in that, the quantity of described rubber teeth is 2 to 8.
4. the compound tooth-shaped seal ring of water-swellable according to claim 1, is characterized in that, the shape of cross section of described multiple rubber teeth be selected from triangle, trapezoidal, rectangle, spherical or ellipse domed one or more.
5. the socket pipe member with seal ring, it is characterized in that, comprise with the first pipe of socket end, with the second pipe of female end, seal ring according to claim 1, described first pipe and the second pipe are interconnected by socket end and female end, described seal ring is located between described socket end and female end, wherein, the inner side of L-type seal ring body coordinates with socket end, and the outside of L-type seal ring body coordinates with female end.
6. the socket pipe member of band seal ring according to claim 5, is characterized in that, described female end is located at described second pipe by hot melt adhesive.
7. the socket pipe member of band seal ring according to claim 5, is characterized in that, described first pipe and described second pipe are entwining tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420182845.2U CN204083223U (en) | 2014-04-16 | 2014-04-16 | The compound tooth-shaped seal ring of water-swellable and socket pipe member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420182845.2U CN204083223U (en) | 2014-04-16 | 2014-04-16 | The compound tooth-shaped seal ring of water-swellable and socket pipe member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204083223U true CN204083223U (en) | 2015-01-07 |
Family
ID=52175945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420182845.2U Expired - Lifetime CN204083223U (en) | 2014-04-16 | 2014-04-16 | The compound tooth-shaped seal ring of water-swellable and socket pipe member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204083223U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107641274A (en) * | 2017-09-30 | 2018-01-30 | 咸阳橡胶工业制品研究所有限公司 | Type high-temperature-rusistance water-expansible rubber composite seal and preparation method during one kind control |
| CN111911626A (en) * | 2020-06-23 | 2020-11-10 | 南通市飞宇石油科技开发有限公司 | Self-expansion anti-seepage high-pressure sealing element for oil exploitation equipment |
| CN113004593A (en) * | 2019-12-22 | 2021-06-22 | 上海清远管业科技股份有限公司 | Fatigue-resistant water-swellable rubber ring |
| CN113513644A (en) * | 2021-08-10 | 2021-10-19 | 安徽安塑管业有限公司 | Seagull-shaped composite leakage-proof anti-drop alloy pipe connecting device |
-
2014
- 2014-04-16 CN CN201420182845.2U patent/CN204083223U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107641274A (en) * | 2017-09-30 | 2018-01-30 | 咸阳橡胶工业制品研究所有限公司 | Type high-temperature-rusistance water-expansible rubber composite seal and preparation method during one kind control |
| CN113004593A (en) * | 2019-12-22 | 2021-06-22 | 上海清远管业科技股份有限公司 | Fatigue-resistant water-swellable rubber ring |
| CN111911626A (en) * | 2020-06-23 | 2020-11-10 | 南通市飞宇石油科技开发有限公司 | Self-expansion anti-seepage high-pressure sealing element for oil exploitation equipment |
| CN113513644A (en) * | 2021-08-10 | 2021-10-19 | 安徽安塑管业有限公司 | Seagull-shaped composite leakage-proof anti-drop alloy pipe connecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150107 |
|
| CX01 | Expiry of patent term |