CN212804225U - Novel sealing washer is used to axle - Google Patents
Novel sealing washer is used to axle Download PDFInfo
- Publication number
- CN212804225U CN212804225U CN202021442653.2U CN202021442653U CN212804225U CN 212804225 U CN212804225 U CN 212804225U CN 202021442653 U CN202021442653 U CN 202021442653U CN 212804225 U CN212804225 U CN 212804225U
- Authority
- CN
- China
- Prior art keywords
- lip
- sealing ring
- shaped
- elastic compensation
- outer lip
- 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.)
- Active
Links
Images
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model provides a novel shaft sealing ring, which comprises a Y-shaped sealing ring, wherein the Y-shaped sealing ring comprises an outer lip, an inner lip and an annular groove between the outer lip and the inner lip, and also comprises an elastic compensation part, the elastic compensation part is arranged in the annular groove of the Y-shaped sealing ring, and the elastic compensation part is arranged into an annular metal sheet with a V-shaped cross section; and an auxiliary lip is arranged on the outer side of the outer lip. The utility model uses the annular metal sheet as the elastic compensation piece, so that the annular metal sheet can still keep elasticity and keep the sealing performance of the sealing ring under the condition that the elasticity of the rubber part of the sealing ring is reduced when the sealing ring is at a high temperature or a low temperature beyond a range; the section of the elastic compensation piece is designed into a V-shaped surface, so that the supporting force on the inner lip and the outer lip is improved; the secondary sealing effect is generated by the auxiliary lip, the missing medium is reduced, the sealing product meeting the requirements of various fields in the market is manufactured by matching the design structure and the material, and meanwhile, the service life is prolonged.
Description
Technical Field
The utility model relates to a sealing washer technical field especially relates to a novel sealing washer is used to axle.
Background
With the rapid development of Chinese economy, the sealing ring is widely applied to various fields as a common mechanical part, such as: various mechanical equipment for spaceflight and ships, food, medical treatment and the like. Due to different requirements of various fields on sealing ring products, various sealing rings are derived, wherein the Y-shaped sealing ring is widely applied to reciprocating sealing devices. However, the requirements for sealing ring products in various fields are higher and higher, the working temperature of the Y-shaped sealing ring is-30-80 ℃, and the rubber material of the Y-shaped sealing ring is easy to harden at high temperature or low temperature exceeding the temperature range to a certain extent, so that the elasticity is lost, and the sealing performance is reduced.
Disclosure of Invention
To foretell technical problem, the utility model provides a novel sealing washer is used to axle for solve the problem that the sealing washer among the prior art sealing performance descends at higher temperature or lower temperature.
In order to achieve the above purpose, the technical solution of the present invention is realized as follows:
a novel shaft sealing ring comprises a Y-shaped sealing ring, wherein the Y-shaped sealing ring comprises an outer lip, an inner lip and an annular groove between the outer lip and the inner lip, and further comprises an elastic compensation piece, the elastic compensation piece is arranged in the annular groove of the Y-shaped sealing ring, and the elastic compensation piece is matched with the annular groove; the elastic compensation piece is an annular metal sheet with a V-shaped section; and an auxiliary lip is arranged on the outer side of the outer lip.
Further, elasticity compensation spare contains a plurality of end to end and integrated into one piece's U type spare, be equipped with the clearance between two adjacent U type spares, the width D =0.2~1.2mm in clearance.
Furthermore, the annular groove is a V-shaped groove attached to the elastic compensation piece, and the opening angle theta of the V shape is = 28-65 degrees.
Further, the inner lip is lower than the outer lip.
Further, chamfers are arranged on the upper edge and the lower edge of the outer lip.
Further, chamfers are arranged on the upper edge and the lower edge of the inner lip.
The utility model has the advantages that: the utility model uses the annular metal sheet as the elastic compensation piece, so that the annular metal sheet can keep elasticity under the condition that the elasticity of the rubber part of the sealing ring is reduced when the sealing ring is at high temperature or low temperature beyond the range, and the sealing performance of the sealing ring is ensured; the section of the elastic compensation piece is designed into a V-shaped surface, so that the supporting force on the inner lip and the outer lip is improved; the U-shaped pieces are connected end to form an annular elastic compensation piece, and the gaps of the U-shaped pieces are convenient for contraction or expansion of the annular metal sheet, so that the elasticity of the elastic compensation piece is improved, and the sealing property of the sealing ring is improved; the outside of outer lip is equipped with vice lip, and vice lip produces secondary seal's effect, reduces and omits the medium, and this project organization and material cooperation are made and are more can satisfy each field in the market and require sealed goods, increase life simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a cross section of the present invention;
FIG. 2 is a partial enlarged view of a cross section of the present invention;
fig. 3 is a top view of the elastic compensating member of the present invention.
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 any creative effort belong to the protection scope of the present invention.
As shown in fig. 1-3, the novel shaft seal ring of the present invention comprises a Y-shaped seal ring 1 and an elastic compensation member 2, wherein the Y-shaped seal ring 1 includes an outer lip 11, an inner lip 12, and an annular groove 13 between the outer lip 11 and the inner lip 12, the elastic compensation member 2 is disposed in the annular groove 13 of the Y-shaped seal ring 1, and the elastic compensation member 2 is matched with the annular groove 13, the elastic compensation member 2 can extrude the wall surface of the annular groove 13, the elastic compensation member 2 is an annular metal sheet with a V-shaped cross section, which can fit the annular groove 13 and improve the supporting force for the inner lip and the outer lip; the upper edges of the two side wall surfaces of the annular groove 13 are inwards extended with bosses to prevent the elastic compensation part 2 from falling out; the annular metal sheet is used as the elastic compensation piece 2, so that the annular metal sheet can keep elastically opening the Y-shaped sealing ring 1 under the condition that the elasticity of the rubber part of the sealing ring is reduced at the high temperature or the low temperature beyond the range, and the sealing performance of the sealing ring is kept; the outside of outer lip 11 is equipped with vice lip 14, and vice lip 14 sets up in the lower part of outer lip 11, and vice lip 14 produces secondary seal's effect, reduces and misses the medium, improves sealing performance for the operation of stability, this project organization and material cooperation are made and are more satisfied in the sealed goods of each field requirement in the market, increase life simultaneously.
Further, as shown in fig. 1 and 3, the elastic compensation member 2 includes U-shaped members that are connected end to end and are integrally formed, the U-shaped members are connected end to form an annular structure, a gap is provided between two adjacent U-shaped members, the width D = 0.2-1.2 mm of the gap, in this embodiment, the width D =0.5mm of the gap is the same as the width of the gap between two adjacent U-shaped members, and the gaps facilitate contraction or expansion of the annular metal sheet, improve the elasticity of the elastic compensation member 2, and improve the sealing performance of the sealing ring.
Further, as shown in fig. 1 and 2, the outer lip 11 is lower than the inner lip 12, the inner lip 12 is used for matching with the shaft 3, and the support force of the sealing ring can be improved by reducing the height of the outer lip 11.
Further, as shown in fig. 2, the annular groove 13 is a V-shaped groove which is bonded to the elastic compensator 2, and the opening angle θ =28 to 65 degrees of the V-shape, and in this embodiment, the opening angle θ =53 degrees of the V-shape and the bottom of the V-shaped groove is rounded, so that the supporting force of the seal ring can be increased.
Further, as shown in fig. 2, the upper and lower edges of the outer lip 11 are chamfered to prevent the corners of the outer lip 11 from being easily worn.
Further, as shown in fig. 2, the upper and lower edges of the inner lip 12 are chamfered to prevent the corners of the inner lip 12 from being easily worn.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A novel shaft sealing ring comprises a Y-shaped sealing ring (1), wherein the Y-shaped sealing ring (1) comprises an outer lip (11), an inner lip (12) and an annular groove (13) between the outer lip (11) and the inner lip (12), and is characterized by further comprising an elastic compensation piece (2), the elastic compensation piece (2) is arranged in the annular groove (13) of the Y-shaped sealing ring (1), and the elastic compensation piece (2) is matched with the annular groove (13); the elastic compensation piece (2) is an annular metal sheet with a V-shaped section; and an auxiliary lip (14) is arranged on the outer side of the outer lip (11).
2. The novel shaft seal ring according to claim 1, wherein the elastic compensation part (2) comprises a plurality of U-shaped parts which are integrally formed end to end, a gap is arranged between two adjacent U-shaped parts, and the width D = 0.2-1.2 mm of the gap.
3. The novel shaft seal ring according to claim 2, wherein the annular groove (13) is a V-shaped groove that is fitted to the elastic compensating member (2), and the V-shaped groove has an opening angle θ =28 to 65 degrees.
4. A new shaft seal according to claim 3, characterized in that the outer lip (11) is lower than the inner lip (12).
5. A novel shaft seal ring according to any one of claims 1 to 4, characterized in that the upper and lower edges of the outer lip (11) are chamfered.
6. The new shaft seal according to claim 5, characterized in that the upper and lower edges of the inner lip (12) are chamfered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021442653.2U CN212804225U (en) | 2020-07-21 | 2020-07-21 | Novel sealing washer is used to axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021442653.2U CN212804225U (en) | 2020-07-21 | 2020-07-21 | Novel sealing washer is used to axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212804225U true CN212804225U (en) | 2021-03-26 |
Family
ID=75101904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021442653.2U Active CN212804225U (en) | 2020-07-21 | 2020-07-21 | Novel sealing washer is used to axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212804225U (en) |
-
2020
- 2020-07-21 CN CN202021442653.2U patent/CN212804225U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212804225U (en) | Novel sealing washer is used to axle | |
| CN205592397U (en) | Novel combined seal ring | |
| CN212804224U (en) | Novel sealing washer is used in hole | |
| CN203717927U (en) | Sealing ring | |
| CN203770422U (en) | Axial shock absorption bearing with O-shaped ring on outer ring | |
| JPWO2015170519A1 (en) | Gasket and sealing structure | |
| CN208364790U (en) | A kind of rubber gasket being easily installed | |
| CN206889674U (en) | A kind of sealing ring that can be compensated automatically | |
| CN202501002U (en) | Plane sealing gasket with compensation function | |
| CN205136605U (en) | Composite pad piece for engine | |
| CN208703111U (en) | A kind of engine piston ring of the anti-gas blowby of mismatch | |
| CN214946344U (en) | Metal tooth-shaped gasket | |
| CN216242277U (en) | Reciprocating oil seal mechanism for compressor | |
| CN202790525U (en) | Sealing device for bearing box | |
| CN206001002U (en) | Gasket seal | |
| CN212509052U (en) | Piston rod sealing element | |
| CN101776147B (en) | Dynamic seal structure with automatic compensation function | |
| CN219345494U (en) | High-pressure sealing ring for double-lip shaft | |
| CN214465563U (en) | Sealed biserial ball outer spherical surface bearing in area | |
| CN215487641U (en) | Plate type back-off oil seal | |
| CN218762015U (en) | Semi-self-tightening metal composite flat gasket and flange | |
| CN211231553U (en) | Composite graphite gasket | |
| CN209892749U (en) | Y-shaped sealing ring | |
| CN211344030U (en) | High-stability high-pressure-resistant oil seal for excavator | |
| CN217422193U (en) | Extrusion type lip-shaped sealing ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |