CN214534478U - Follow-up type rotation axis sealing ring - Google Patents
Follow-up type rotation axis sealing ring Download PDFInfo
- Publication number
- CN214534478U CN214534478U CN202120522237.1U CN202120522237U CN214534478U CN 214534478 U CN214534478 U CN 214534478U CN 202120522237 U CN202120522237 U CN 202120522237U CN 214534478 U CN214534478 U CN 214534478U
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- CN
- China
- Prior art keywords
- sealing ring
- ring body
- shaped
- rotation axis
- sealing
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- 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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- 238000007789 sealing Methods 0.000 title claims abstract description 57
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 1
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- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model discloses a follow-up type rotation axis sealing ring has the sealing ring body, has to be formed with the sealed face of cylindricality on sealed lip, the outside circumference on the inboard circumference of sealing ring body, the middle part of sealing ring body has continuous U-shaped waist. And a V-shaped groove is formed between the sealing lip and the sealing ring body on the inner side of the U-shaped waist part. And V-shaped steel sheet springs matched with each other are arranged in the V-shaped grooves. Use the utility model discloses the follow-up nature of back when the rotation axis operation produces off-centre or vibrations lip and rotation axis is good to can obtain good sealed effect.
Description
Technical Field
The utility model relates to a rotary shaft sealing ring, specifically speaking relate to a follow-up type rotary shaft sealing ring.
Background
A rotary shaft sealing ring in the prior art is provided with a sealing ring body, wherein a sealing lip is arranged on the inner circumference of the sealing ring body, and a cylindrical sealing surface is formed on the outer circumference of the sealing ring body. The sealing lip on the inner circumference of the sealing ring is used for sealing the rotating shaft, and the cylindrical sealing surface on the outer circumference is used for sealing the hole cavity for mounting the rotating shaft.
The main problems of the rotary shaft sealing ring in the prior art are as follows: when the rotating shaft rotates to generate eccentricity or vibration, the following performance of the sealing lip is poor, and the sealing effect is poor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a follow-up type rotation axis sealing ring, use the utility model discloses the follow-up nature of back sealing lip and rotation axis is good when the rotation axis operation produces off-centre or vibrations to can obtain good sealed effect.
In order to solve the technical problem, the utility model relates to a follow-up type rotation axis sealing ring has the sealing ring body, has to be formed with the sealed face of cylindricality on sealing lip, the outside circumference on the inboard circumference of sealing ring body, the middle part of sealing ring body has the U-shaped waist that links to each other.
As an improvement of the utility model, a V-shaped groove is formed between the sealing lip and the sealing ring body at the inner side of the U-shaped waist.
As a further improvement of the utility model, the V-shaped groove in which a matched V-shaped steel sheet spring is arranged.
Further, the V-shaped steel sheet spring is a stainless steel finger-shaped steel sheet spring.
Furthermore, the sealing ring body is made of polytetrafluoroethylene, rubber or polyurethane materials.
The utility model discloses following beneficial technological effect has: the middle part of the sealing ring body is designed into a U-shaped waist part, so that a sealing lip has good following performance when a rotating shaft rotates to generate eccentricity or vibration; a V-shaped groove is formed between the sealing lip and the sealing ring body on the inner side of the U-shaped waist part, so that the following performance of the sealing lip when the rotating shaft rotates to generate eccentricity or vibration can be further improved; and thirdly, a matched V-shaped steel sheet spring is arranged in the V-shaped groove, and sealing force and necessary dynamic compensation are provided for the sealing lip, so that the utility model discloses have better sealed effect to the rotation axis.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic sectional view of a servo rotary shaft sealing ring according to the present invention.
Fig. 2 is an enlarged view of the structure at I in fig. 1.
Detailed Description
Referring to fig. 1 and 2, the utility model relates to a follow-up type rotation axis sealing ring has sealing ring body 1, has on the inboard circumference of sealing ring body sealing lip 2, is formed with the sealed face 3 of cylindricality on the outside circumference, the middle part of sealing ring body 1 has the U-shaped waist 4 that the cross-section that links to each other is the U-shaped. A V-shaped groove 5 is formed between the sealing lip 2 and the sealing ring body 1 at the inner side of the U-shaped waist part 4. The V-shaped groove 5 is internally provided with a matched V-shaped steel sheet spring 6. The V-shaped steel sheet spring 6 is a stainless steel finger-shaped steel sheet spring. The sealing ring body 1 is made of polytetrafluoroethylene, rubber or polyurethane materials.
Claims (5)
1. The utility model provides a follow-up type rotation axis sealing ring, has sealing ring body (1), has on the inboard circumference of sealing ring body sealed lip (2), is formed with the sealed face of cylindricality (3) on the outside circumference, its characterized in that: the middle part of the sealing ring body (1) is provided with a connected U-shaped waist part (4).
2. The follower-type rotary shaft seal ring according to claim 1, wherein: and a V-shaped groove (5) is formed between the sealing lip (2) and the sealing ring body (1) on the inner side of the U-shaped waist part (4).
3. The follower-type rotary shaft seal ring according to claim 2, wherein: and V-shaped steel sheet springs (6) matched with each other are arranged in the V-shaped grooves (5).
4. The follower-type rotary shaft seal ring according to claim 3, wherein: the V-shaped steel sheet spring (6) is a stainless steel finger-shaped steel sheet spring.
5. The follower-type rotary shaft seal ring according to any one of claims 1 to 4, wherein: the sealing ring body (1) is prepared from polytetrafluoroethylene, rubber or polyurethane materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120522237.1U CN214534478U (en) | 2021-03-12 | 2021-03-12 | Follow-up type rotation axis sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120522237.1U CN214534478U (en) | 2021-03-12 | 2021-03-12 | Follow-up type rotation axis sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214534478U true CN214534478U (en) | 2021-10-29 |
Family
ID=78263149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120522237.1U Active CN214534478U (en) | 2021-03-12 | 2021-03-12 | Follow-up type rotation axis sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214534478U (en) |
-
2021
- 2021-03-12 CN CN202120522237.1U patent/CN214534478U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 112000 No.15, Liaohai North Road, Yinzhou Industrial Park, Tieling City, Liaoning Province Patentee after: Tieling five star sealing Research Institute Co.,Ltd. Address before: 112000 No.15, Liaohai North Road, Yinzhou Industrial Park, Tieling City, Liaoning Province Patentee before: TIELING FIVE STAR OIL FILM RUBBER SEALING INSTITUTE |