CN211176285U - Sealing assembly for drainage device - Google Patents
Sealing assembly for drainage device Download PDFInfo
- Publication number
- CN211176285U CN211176285U CN201922412960.XU CN201922412960U CN211176285U CN 211176285 U CN211176285 U CN 211176285U CN 201922412960 U CN201922412960 U CN 201922412960U CN 211176285 U CN211176285 U CN 211176285U
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- gasket
- special
- flexible
- seal assembly
- shaped
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Abstract
The utility model discloses a seal assembly for a drainage device, which comprises a flexible gasket (11) and a special-shaped gasket (13), wherein the flexible gasket (11) is arranged right above the special-shaped gasket (13), and the flexible gasket (11) is assembled at the installation position of a sealing element of the drainage device in an interference manner; the special-shaped gasket (13) is a gasket capable of axially absorbing or releasing elastic potential energy and is used for compensating the elasticity of the flexible gasket (11) in the processes of thermal expansion and cold contraction; the lower end face of the special-shaped gasket (13) is tightly attached to the sealing element mounting face of the drainage device, and the special-shaped gasket is simple in structure, stable in structure, convenient to mount and good in sealing performance.
Description
Technical Field
The utility model relates to the technical field of valves, especially a seal assembly for hydrophobic means.
Background
The drain valve is a valve, also called a steam trap and a drain valve, and is used for draining condensed water, air and carbon dioxide gas in a steam system as soon as possible and simultaneously automatically preventing steam leakage to the maximum extent. Trap valves are of many varieties and each has different properties. The technical performance, the structure and the service function of different drain valves at present are different, but the same is that the problem of energy consumption waste is caused in order to prevent steam leakage of the drain device, so the sealing requirement on the drain device is higher, the drain valve at present is operated at high temperature frequently, so the working environment leads to easy deformation and failure of a sealing component of the drain valve, the sealing performance is reduced, the drain valve needs to be replaced in time, and the use cost of equipment is increased.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: to the problem that above-mentioned exists, but provide a seal assembly for hydrophobic device, but through setting up elasticity compensating mechanism and flexible packing ring mating reaction to the seal assembly who uses can use effectively for a long time, and can reach good sealing performance, guaranteed hydrophobic device's good performance, its simple structure, installation are convenient, have good use value.
The utility model adopts the technical scheme as follows:
the utility model discloses a seal assembly for a drainage device, which comprises a flexible gasket and a special-shaped gasket, wherein the flexible gasket is arranged right above the special-shaped gasket, and the flexible gasket is assembled at the installation position of a sealing element of the drainage device in an interference manner; the special-shaped gasket is a gasket capable of axially absorbing or releasing elastic potential energy and is used for compensating the elasticity of the flexible gasket in the expansion and contraction process of the flexible gasket; the lower end face of the special-shaped gasket is tightly attached to the sealing element mounting face of the drainage device. Due to the adoption of the structure, the flexible gasket can play a certain sealing effect due to the fact that the flexible gasket has a certain elastic effect, but the elasticity of the flexible gasket is gradually aged due to long-time expansion and contraction, so that the flexible gasket is matched with the special-shaped gasket with compensation to compensate the elastic force of the special-shaped gasket in the expansion and contraction process, the whole sealing assembly is effective for a long time, the sealing performance is good, and the service life of the sealing assembly is long.
Further, a rigid gasket is arranged between the flexible gasket and the special-shaped gasket; the rigid gasket and the flexible gasket are arranged in a nested fit manner and are used for supporting the installation end surface of the flexible gasket; the rigid gasket is attached to the special-shaped gasket and used for dispersing the releasing force of the special-shaped gasket.
Due to the adoption of the structure, the added rigid gasket enables the acting force of the special-shaped gasket to be distributed evenly in the action process of the flexible gasket, the waste of the loss of the elastic potential energy of the special-shaped gasket is greatly reduced, the utilization rate of the elastic potential energy is improved, and the better effect of the matching action of the sealing assembly is ensured.
Further, the flexible gasket includes an upper ring body and a lower ring body; the end face of the upper ring body is a plane, and the lower ring body is a bulge on the lower single face of the upper ring body; the rigid gasket comprises a first gasket body and an annular groove, wherein the annular groove is annularly arranged along the upper end face of the first gasket body and is used for being embedded into the lower ring body on the flexible gasket.
Due to the adoption of the structure, the flexible gasket is matched with the rigid gasket in such a way, so that the stability of installation and matching between the gaskets can be ensured under the condition of ensuring the further sealing degree, and the condition that the sealing effect is reduced due to the sliding sheet condition is avoided.
Further, the special-shaped gasket comprises a second gasket body and a mounting plane, wherein the second gasket body is a corrugated annular gasket or a gasket; and a plurality of mounting planes are uniformly arranged on the local part of the second gasket body and are used for being attached to the lower end face of the rigid gasket.
Furthermore, the second gasket body is preferably a corrugated annular gasket, and the highest peak of the corrugated curve of the second gasket body is used for arranging a mounting plane.
Furthermore, the joint installation position of the installation plane and the rigid gasket is a non-smooth plane.
Furthermore, the number of the installation planes on the second gasket body is not less than three.
Due to the adoption of the structure, the mounting plane can ensure that the relative mounting position between the first gasket body and the second gasket body is stable, the distribution of force is uniform, and the action effect of the special-shaped gasket is further ensured.
The utility model discloses a seal assembly for hydrophobic means, the lower terminal surface of packing ring body one is equipped with the draw-in groove of at least one indent, be equipped with the lug with the spacing installation of draw-in groove on the packing ring body two.
Further, the bump is disposed on the mounting plane.
Due to the adoption of the structure, the clamping groove is matched with the bump in a limiting way, so that the relative installation positions of the special-shaped gasket and the rigid gasket can be further proved, the loss of force caused by mutual sliding is further avoided, and the sealing effect is indirectly guaranteed.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the structure is simple, the structure is stable, the installation is convenient and fast, the sealing performance is good, and the use value is good;
2. the sealing component has long service life and low use cost;
3. simple manufacture, the compensation of rational utilization power, the practicality is strong.
Drawings
Fig. 1 is an exploded view of a seal assembly for a hydrophobic device of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at detail A;
FIG. 3 is a schematic view of the mounting of the seal assembly for the drain;
the labels in the figure are: 1-seal assembly, 11-flexible gasket, 101-upper ring body, 102-lower ring body, 12-rigid gasket, 201-first gasket body, 202-annular groove, 203-neck, 13-shaped gasket, 301-second gasket body, 302-mounting plane, 303-projection.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1 to 3, a sealing assembly for a drain device comprises a flexible gasket 11 and a shaped gasket 13, wherein the flexible gasket 11 is installed right above the shaped gasket 13, and the flexible gasket 11 is assembled at the sealing part installation position of the drain device in an interference manner; the special-shaped gasket 13 is a gasket capable of axially absorbing or releasing elastic potential energy and is used for compensating the elasticity of the flexible gasket 11 in the processes of expansion with heat and contraction with cold; the lower end face of the special-shaped gasket 13 is tightly fitted on the sealing element mounting face of the drainage device. The flexible gasket 11 in this embodiment is a conventional rubber gasket. A rigid gasket 12 is arranged between the flexible gasket 11 and the special-shaped gasket 13; the rigid gasket 12 is in nested fit installation with the flexible gasket 11 and is used for supporting the installation end face of the flexible gasket 11; the rigid gasket 12 and the special-shaped gasket 13 are attached and mounted and used for dispersing the releasing force of the special-shaped gasket 13, the rigid gasket and the opposite-shaped gasket in the embodiment are made of steel materials, and the opposite-shaped gasket is good in elastic plasticity. The flexible gasket 11 includes an upper ring body 101 and a lower ring body 102; the end face of the upper ring body 101 is a plane, and the lower ring body 102 is a bulge on the lower single face of the upper ring body 101; the rigid gasket 12 comprises a first gasket body 201 and an annular groove 202, wherein the annular groove 202 is annularly arranged along the upper end face of the first gasket body 201 and is used for embedding the lower ring body 102 on the flexible gasket 11. The special-shaped gasket 13 comprises a second gasket body 301 and a mounting plane 302, wherein the second gasket body 301 is a corrugated annular gasket or a gasket; the second gasket body 301 is locally and uniformly provided with a plurality of mounting planes 302 which are used for being mounted with the lower end face of the rigid gasket 12 in a fitting manner. In this embodiment, the second gasket body 301 is preferably a corrugated annular gasket, and the highest peak of the corrugation curve is used for arranging the installation plane 302. Further, the fitting place of the mounting plane 302 and the rigid gasket 12 is a non-smooth plane. The number of the mounting planes 302 on the second gasket body 301 is not less than three, and in the embodiment, four mounting planes are provided as shown in the figure. The lower end face of the first gasket body 201 is provided with at least one inwards concave clamping groove 203, the second gasket body 301 is provided with a convex block 303 which is in limited installation with the clamping groove 203, and the convex block 303 is arranged on the installation plane 302. In the embodiment, only one pair of clamping grooves and the lugs are arranged in a limiting fit mode.
Claims (9)
1. A seal assembly for a hydrophobic device, characterized by: the drainage device comprises a flexible gasket (11) and a special-shaped gasket (13), wherein the flexible gasket (11) is arranged right above the special-shaped gasket (13), and the flexible gasket (11) is assembled at the sealing element installation position of the drainage device in an interference manner; the special-shaped gasket (13) is a gasket capable of axially absorbing or releasing elastic potential energy and is used for compensating the elasticity of the flexible gasket (11) in the processes of thermal expansion and cold contraction; the lower end face of the special-shaped gasket (13) is tightly attached to a sealing element mounting face of the drainage device.
2. The seal assembly for a hydrophobic device of claim 1, wherein: a rigid gasket (12) is arranged between the flexible gasket (11) and the special-shaped gasket (13); the rigid gasket (12) and the flexible gasket (11) are arranged in a nested fit manner and used for supporting the mounting end surface of the flexible gasket (11); the rigid gasket (12) is attached to the special-shaped gasket (13) and used for dispersing the releasing force of the special-shaped gasket (13).
3. The seal assembly for a hydrophobic device of claim 2, wherein: the flexible gasket (11) comprises an upper ring body (101) and a lower ring body (102); the end face of the upper ring body (101) is a plane, and the lower ring body (102) is a bulge on the lower single face of the upper ring body (101); the rigid gasket (12) comprises a first gasket body (201) and an annular groove (202), wherein the annular groove (202) is annularly arranged along the upper end face of the first gasket body (201) and is used for embedding the lower ring body (102) on the flexible gasket (11).
4. A seal assembly for a hydrophobic device, according to claim 3, wherein: the special-shaped gasket (13) comprises a second gasket body (301) and a mounting plane (302), wherein the second gasket body (301) is a corrugated annular gasket or a gasket; and a plurality of mounting planes (302) are uniformly arranged on the local part of the second gasket body (301) and are used for being attached to the lower end face of the rigid gasket (12).
5. The seal assembly for a hydrophobic device of claim 4, wherein: the second gasket body (301) is preferably a corrugated annular gasket, and the highest peak of the corrugated curve is used for arranging an installation plane (302).
6. A seal assembly for a hydrophobic device according to claim 4 or 5, wherein: the joint installation position of the installation plane (302) and the rigid gasket (12) is a non-smooth plane.
7. The seal assembly for a hydrophobic device of claim 6, wherein: the number of the installation planes (302) on the second gasket body (301) is not less than three.
8. A seal assembly for a hydrophobic device according to claim 4 or 5 or 7, wherein: the lower end face of the first gasket body (201) is provided with at least one inwards concave clamping groove (203), and the second gasket body (301) is provided with a convex block (303) which is in limited installation with the clamping groove (203).
9. The seal assembly for a hydrophobic device of claim 8, wherein: the projection (303) is arranged on the mounting plane (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922412960.XU CN211176285U (en) | 2019-12-29 | 2019-12-29 | Sealing assembly for drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922412960.XU CN211176285U (en) | 2019-12-29 | 2019-12-29 | Sealing assembly for drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211176285U true CN211176285U (en) | 2020-08-04 |
Family
ID=71827352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922412960.XU Expired - Fee Related CN211176285U (en) | 2019-12-29 | 2019-12-29 | Sealing assembly for drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211176285U (en) |
-
2019
- 2019-12-29 CN CN201922412960.XU patent/CN211176285U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 Termination date: 20201229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |