CN209762242U - Y-shaped rubber sealing ring - Google Patents
Y-shaped rubber sealing ring Download PDFInfo
- Publication number
- CN209762242U CN209762242U CN201920384714.5U CN201920384714U CN209762242U CN 209762242 U CN209762242 U CN 209762242U CN 201920384714 U CN201920384714 U CN 201920384714U CN 209762242 U CN209762242 U CN 209762242U
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- ring
- pressure surface
- axial direction
- towards
- convex edge
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- Expired - Fee Related
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Abstract
The utility model discloses a Y-shaped rubber sealing ring, which comprises a body, wherein the axial section of the body is rectangular, and the body is provided with a first inner peripheral surface, an outer peripheral surface, a pressure surface and a back pressure surface; one end of the body facing the pressure surface is divided into an inner branch ring and an outer branch ring, and the inner branch ring is provided with an inner convex edge extending inwards; the outer branch ring is provided with an outer convex edge extending outwards; an annular cavity which is in a V shape and is opened towards the pressure surface is formed between the inner support ring and the outer support ring, the inner support ring is provided with an outer end surface towards the direction of the pressure surface, and the outer end surface sinks towards the direction of the back pressure surface along the axial direction of the body, so that a distance is reserved between the outer end surface and the pressure surface. When the sealing ring is used, the pressure surface of the sealing ring faces the inner side direction of the equipment, fluid can flow into the annular cavity, the inner branch ring is extruded towards the inner side and is tightly pressed on the surface of the shaft, and when the contact surface of the sealing ring is gradually abraded, the fluid continuously enables the inner branch ring to bend towards the inner side, so that the sealing performance is guaranteed, and the service life of the sealing ring is prolonged.
Description
Technical Field
The utility model relates to a Y type rubber seal.
Background
The rubber seal ring is used as a conventional sealing part between a rotating shaft and a supporting part, the rubber seal ring has different styles and various materials, and comprises metal, fiber, rubber, plastic and a plurality of materials. Although the replacement of the sealing ring is a necessary process, the service life of the sealing ring is prolonged, the working efficiency is improved, and the maintenance cost of the equipment is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to realize above-mentioned target, provide a sealing washer, this sealing washer can increase of service life effectively, reduces the maintenance cost of equipment, and specific technical scheme is:
a Y-shaped rubber sealing ring comprises a circular body, wherein the axial section of the body is rectangular, the body is provided with a first inner circumferential surface, an outer circumferential surface, a pressure surface and a back pressure surface, and the pressure surface and the back pressure surface are both orthogonal to the central axis of the body and are axially positioned on two opposite sides of the body;
one end of the body facing the pressure surface is divided into an inner branch ring and an outer branch ring, wherein the inner branch ring is provided with an inner convex edge which extends inwards along the radial direction to form a ring shape, and the inner convex edge inwards exceeds the first inner circumferential surface; the outer branch ring is provided with an outer convex edge which extends outwards along the radial direction to form a ring shape, and the outer convex edge extends outwards beyond the outer peripheral surface; an annular cavity which is in a V shape and is opened towards the pressure surface is formed between the inner support ring and the outer support ring, the inner support ring is provided with an outer end surface towards the direction of the pressure surface, and the outer end surface sinks towards the direction of the back pressure surface along the axial direction of the body, so that a distance is reserved between the outer end surface and the pressure surface.
When the Y-shaped rubber sealing ring is used, the pressure surface of the Y-shaped rubber sealing ring faces the inner side direction of equipment, when the Y-shaped rubber sealing ring works, fluid can flow into the annular cavity, the inner supporting ring is pressed towards the inner side under the pressure of the fluid and is tightly pressed on the surface of the shaft, so that the sealing performance is guaranteed, the contact surface of the inner convex edge and the shaft can be gradually abraded along with the continuation of the using time, but the inner supporting ring is continuously bent towards the inner side under the pressure of the fluid in the annular cavity, so that the sealing performance is guaranteed, and the service life of the sealing ring is prolonged. After the distance is reserved between the outer end face and the pressure face, the inner diameter of the sealing ring is slightly smaller than the outer diameter of the shaft, and after the sealing ring is installed, the outer end face of the inner support ring can extend towards the direction of the pressure face but still does not exceed the pressure face outwards, so that the outer end face of the inner support ring is prevented from exceeding the installation space outwards.
Further, an annular intermediate ring is provided in an intermediate portion of the first inner peripheral surface of the body, the intermediate ring being formed by extending the intermediate portion of the first inner peripheral surface in an axially inclined manner in the direction of the pressure surface, and a V-shaped groove is formed between the intermediate ring and the first inner peripheral surface of the body. Preferably, the intermediate ring has a first inclined surface and a second inclined surface which extend obliquely in the axial direction toward the pressure surface, and the intermediate ring is formed in a tapered shape which extends obliquely in the axial direction toward the pressure surface.
After the middle ring is arranged, the middle ring and the inner support ring form two sealing structures, in the working process, fluid can enter the V-shaped groove, and the middle ring is tightly attached to the outer side surface of the shaft under the pressure of the fluid, so that the leakage amount of the fluid is reduced.
Further, the inner diameter of the inner side edge of the intermediate ring is larger than the inner diameter of the inner convex edge in the radial direction. This design can make the pressure that the intermediate ring received be less than the pressure that the interior protruding edge received, and at the course of the work, at first to protruding edge formation wearing and tearing, at the in-process that the interior protruding edge is worn and torn gradually, the leakage quantity increases, and the fluid that leaks out from between interior protruding edge and the axle enters into the V-arrangement inslot, extrudees the intermediate ring, makes the intermediate ring closely laminate on the surface of axle, reduces or hinders fluidic outwards leaking, can improve the life of sealing washer from this.
In order to increase the contact area between the intermediate ring and the shaft, the intermediate ring has a second inner circumferential surface having a cylindrical shape and extending in the axial direction.
Further, the inner ledge has a cylindrical third inner peripheral surface extending in the axial direction. After the third inner peripheral surface is arranged, a larger contact area between the sealing ring and the shaft can be ensured, and the sealing effect is ensured.
Description of the drawings:
Fig. 1 is a schematic view of an embodiment of the present invention.
The specific implementation mode is as follows:
Example 1:
Referring to fig. 1, a Y-shaped seal ring 100 includes a ring-shaped body 10, the body 10 has a central axis 200, a direction along the central axis 200 is referred to as an axial direction, and a direction perpendicular to the axial direction is referred to as a radial direction.
The axial cross section of the body 10 is rectangular, the body 10 has a first inner circumferential surface 102, an outer circumferential surface 101, a pressure surface 104 and a back pressure surface 103, wherein the pressure surface 104 and the back pressure surface 103 are both orthogonal to the central axis of the body and are located on opposite sides of the body along the axial direction.
One end of the body facing the pressure surface 104 is split into two parts, namely an inner support ring 12 and an outer support ring 11, wherein the inner support ring 12 is provided with an inner convex edge 121 which protrudes inwards in the radial direction to form a ring shape, and the inner convex edge 121 protrudes inwards beyond the first inner circumferential surface 102; the outer rim 11 has an outer rim 111 protruding radially outward to form a ring, and the outer rim 111 protrudes outward beyond the outer peripheral surface 101. An annular cavity 22 which is opened towards the pressure surface is formed in a V shape between the inner support ring 12 and the outer support ring 11, the inner support ring 12 is provided with an outer end surface 105 towards the direction of the pressure surface, and the outer end surface 105 sinks towards the direction of the back pressure surface 103 along the axial direction of the body 10, so that the outer end surface 105 and the pressure surface 104 have a distance.
In order to further improve the service life of the seal ring, an annular intermediate ring 13 is provided in the middle of the first inner circumferential surface 102 of the body 10, the intermediate ring 13 is formed by extending the middle of the first inner circumferential surface in an inclined manner in the axial direction toward the pressure surface, and a V-shaped groove 23 is formed between the intermediate ring 13 and the first inner circumferential surface 102 of the body 10. In the present embodiment, the intermediate ring 13 has a first inclined surface 231 and a second inclined surface 232 extending in an inclined manner in the axial direction toward the pressure surface, wherein the first inclined surface 231 is closer to the pressure surface 104 than the second inclined surface 232. The first inclined surface 231 and the second inclined surface 232 form the intermediate ring 13 into a tapered shape extending obliquely in the axial direction toward the pressure surface.
In this embodiment, the intermediate ring has a second inner circumferential surface 131 having a cylindrical shape, and the second inner circumferential surface 131 extends in the axial direction. The inner flange 121 has a cylindrical third inner peripheral surface 122, and the third inner peripheral surface 122 extends in the axial direction. In the radial direction, the inner diameter of the inner side edge of the intermediate ring is larger than that of the inner convex edge, and in the drawing, D1 represents the inner diameter of the inner side edge of the intermediate ring, that is, the inner diameter of the third inner circumferential surface 122; d2 denotes the inner diameter of the inside edge of the intermediate ring, i.e. the inner diameter of the second peripheral surface 131.
Claims (6)
1. A Y-shaped rubber sealing ring is characterized by comprising a circular body, wherein the axial section of the body is rectangular, the body is provided with a first inner circumferential surface, an outer circumferential surface, a pressure surface and a back pressure surface, and the pressure surface and the back pressure surface are both orthogonal to the central axis of the body and are axially positioned on two opposite sides of the body;
One end of the body facing the pressure surface is divided into an inner branch ring and an outer branch ring, wherein the inner branch ring is provided with an inner convex edge which extends inwards along the radial direction to form a ring shape, and the inner convex edge inwards exceeds the first inner circumferential surface; the outer branch ring is provided with an outer convex edge which extends outwards along the radial direction to form a ring shape, and the outer convex edge extends outwards beyond the outer peripheral surface; an annular cavity which is in a V shape and is opened towards the pressure surface is formed between the inner support ring and the outer support ring, the inner support ring is provided with an outer end surface towards the direction of the pressure surface, and the outer end surface sinks towards the direction of the back pressure surface along the axial direction of the body, so that a distance is reserved between the outer end surface and the pressure surface.
2. The Y-rubber seal according to claim 1, wherein an annular intermediate ring is provided in an intermediate portion of the first inner peripheral surface of the body, the intermediate ring being formed by extending the intermediate portion of the first inner peripheral surface obliquely in the axial direction toward the pressure surface, and a V-shaped groove is formed between the intermediate ring and the first inner peripheral surface of the body.
3. The Y-rubber seal according to claim 2, wherein the inner diameter of the inner edge of the intermediate ring is larger than the inner diameter of the inner rim in the radial direction.
4. the Y-rubber seal according to claim 2, wherein the intermediate ring has a second inner circumferential surface having a cylindrical shape, the second inner circumferential surface extending in the axial direction.
5. The Y-shaped rubber seal according to claim 2, wherein the intermediate ring has a first inclined surface and a second inclined surface which extend obliquely in the axial direction toward the pressure surface, and the intermediate ring is formed in a tapered shape which extends obliquely in the axial direction toward the pressure surface.
6. the Y-shaped rubber seal according to claim 1, wherein the inner flange has a cylindrical third inner peripheral surface extending in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920384714.5U CN209762242U (en) | 2019-03-25 | 2019-03-25 | Y-shaped rubber sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920384714.5U CN209762242U (en) | 2019-03-25 | 2019-03-25 | Y-shaped rubber sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209762242U true CN209762242U (en) | 2019-12-10 |
Family
ID=68756258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920384714.5U Expired - Fee Related CN209762242U (en) | 2019-03-25 | 2019-03-25 | Y-shaped rubber sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209762242U (en) |
-
2019
- 2019-03-25 CN CN201920384714.5U patent/CN209762242U/en not_active Expired - Fee Related
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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: 20210113 Address after: 211316 gubaiji Town, Gaochun County, Nanjing City, Jiangsu Province Patentee after: Nanjing Gaochun No.2 rubber and plastic plant Address before: 211316 Gubai Town, Gaochun District, Nanjing City, Jiangsu Province Patentee before: NANJING JINTENG RUBBER & PLASTIC Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 |