CN209839144U - Dustproof sealing ring - Google Patents
Dustproof sealing ring Download PDFInfo
- Publication number
- CN209839144U CN209839144U CN201920559614.1U CN201920559614U CN209839144U CN 209839144 U CN209839144 U CN 209839144U CN 201920559614 U CN201920559614 U CN 201920559614U CN 209839144 U CN209839144 U CN 209839144U
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- ring
- sealing ring
- arc
- cavity
- pressure side
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Abstract
The utility model discloses a dustproof sealing ring, include: the utility model provides a circular seal ring, including annular seal ring main part, four faces of annular seal ring main part are interior sealed anchor ring, external seal anchor ring, low pressure side and high pressure side respectively annular seal ring main part is close to the inside of interior sealed anchor ring and is provided with interior arc extrusion ring chamber annular seal ring main part is close to the inside of external seal anchor ring and is provided with outer arc extrusion ring chamber, interior arc extrusion ring chamber and outer arc extrusion ring chamber communicate each other through evenly setting up a plurality of connection chambeies at annular seal ring main part the inside that the annular seal ring main part is close to the low pressure side is provided with the arc metal and weaves the ring the inside that the annular seal ring main part is close to the high pressure side is provided with spherical gas storage ring chamber, one side and the connection chamber in spherical.
Description
Technical Field
The utility model relates to a sealed field especially relates to a dustproof sealing ring.
Background
The dustproof sealing ring can play a role in blocking and isolating in a workpiece, and can prevent external dust from invading. The both sides of present dust seal circle generally all can have the pressure differential in the use, and dust seal circle's high-pressure side often takes place to accelerate ageing, damage phenomenons such as because of receiving high-pressure for a long time, and structural strength is poor, and life is short, and dustproof effect is unsatisfactory, hardly satisfies people's operation requirement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the dustproof sealing ring with the good dustproof effect is provided.
In order to solve the technical problem, the utility model discloses a technical scheme is: dustproof sealing washer includes: the annular sealing ring comprises an annular sealing ring main body, wherein four surfaces of the annular sealing ring main body are respectively an inner sealing ring surface, an outer sealing ring surface, a low-pressure side surface and a high-pressure side surface, an inner arc extrusion ring cavity is arranged in the annular sealing ring main body close to the inner sealing ring surface, an outer arc extrusion ring cavity is arranged in the annular sealing ring main body close to the outer sealing ring surface, the inner arc extrusion ring cavity and the outer arc extrusion ring cavity are communicated with each other through a plurality of connecting cavities uniformly arranged in the middle of the annular sealing ring main body, an arc metal woven ring is arranged in the annular sealing ring main body close to the low-pressure side surface, a spherical gas storage ring cavity is arranged in the annular sealing ring main body close to the high-pressure side surface, one side of the spherical gas storage ring cavity is communicated with the connecting cavities, and an arc extrusion convex ring is arranged on, an arc-shaped extrusion annular cavity is arranged between the arc-shaped extrusion convex ring and the spherical gas storage annular cavity, and a plurality of gas inlets communicated with the arc-shaped extrusion annular cavity are uniformly arranged on the high-pressure side surface.
Preferably, the inner sealing ring surface and the outer sealing ring surface of the annular sealing ring main body are respectively provided with a polytetrafluoroethylene coating.
It is preferred. And nitrogen is filled in the inner arc-shaped extrusion ring cavity, the outer arc-shaped extrusion ring cavity, the connecting cavity and the spherical gas storage ring cavity.
The utility model has the advantages that: the dustproof sealing ring is novel in structure, the high-pressure side face of the dustproof sealing ring is arranged on the high-pressure side of a workpiece, the low-pressure side face of the dustproof sealing ring is arranged on the low-pressure side of the workpiece, the arc-shaped extrusion convex ring on the high-pressure side face can extrude nitrogen in the spherical gas storage ring cavity into the inner arc-shaped extrusion ring cavity and the outer arc-shaped extrusion ring cavity after being extruded under high pressure, the inner sealing ring face and the outer sealing ring face of the dustproof sealing ring are forced to tightly extrude the workpiece, the air inlet can introduce the pressure on the high-pressure side into the arc-shaped extrusion ring cavity to realize secondary extrusion on the spherical gas storage ring cavity, the nitrogen in the spherical gas storage ring cavity can be ensured to be sent into the inner arc-shaped extrusion ring cavity and the outer arc-shaped extrusion ring cavity as far as possible, high sealing is realized, the dustproof effect is good, meanwhile, the stability of deformation of the inner arc, the polytetrafluoroethylene coating is added on the inner and outer seal ring surfaces of the dustproof seal ring, so that the inner and outer seal ring surfaces can be prevented from abnormal deformation in the process of tightly extruding a workpiece, the wear resistance is improved, the structural strength is good, the service life is prolonged, and the use requirements of people are met.
Drawings
Fig. 1 is the schematic view of the partial sectional structure of the dustproof sealing ring of the present invention.
In the figure: 1. the annular seal ring comprises an annular seal ring main body, 11, an inner seal ring surface, 12, an outer seal ring surface, 13, a low-pressure side surface, 14, a high-pressure side surface, 2, an inner arc-shaped extrusion ring cavity, 3, an outer arc-shaped extrusion ring cavity, 4, a connecting cavity, 5, an arc-shaped metal weaving ring, 6, a spherical gas storage ring cavity, 7, an arc-shaped extrusion convex ring, 8, an arc-shaped extrusion ring cavity, 9, an air inlet, 10 and a polytetrafluoroethylene coating.
Detailed Description
The invention will be further elucidated by means of specific embodiments in the following description, in conjunction with the drawings, in which: for those skilled in the art, modifications of the invention in various equivalent forms will fall within the scope of the appended claims without departing from the principles of the invention.
Example 1:
as shown in fig. 1, the dust seal includes: the annular sealing ring comprises an annular sealing ring body 1, wherein four surfaces of the annular sealing ring body 1 are respectively an inner sealing ring surface 11, an outer sealing ring surface 12, a low-pressure side surface 13 and a high-pressure side surface 14, an inner arc extrusion ring cavity 2 is arranged in the annular sealing ring body 1 close to the inner sealing ring surface 11, an outer arc extrusion ring cavity 3 is arranged in the annular sealing ring body 1 close to the outer sealing ring surface 12, the inner arc extrusion ring cavity 2 and the outer arc extrusion ring cavity 3 are communicated with each other through a plurality of connecting cavities 4 uniformly arranged in the middle of the annular sealing ring body 1, an arc metal woven ring 5 is arranged in the annular sealing ring body 1 close to the low-pressure side surface 13, a spherical gas storage ring cavity 6 is arranged in the annular sealing ring body 1 close to the high-pressure side surface 14, one side of the spherical gas storage ring cavity 6 is communicated with the connecting cavities 4, and an arc extrusion convex ring 7 is arranged on the high-pressure side surface 14 on the other, an arc-shaped extrusion annular cavity 8 is arranged between the arc-shaped extrusion convex ring 7 and the spherical gas storage annular cavity 6, and a plurality of gas inlets 9 communicated with the arc-shaped extrusion annular cavity 8 are uniformly arranged on the high-pressure side surface 14.
Further, polytetrafluoroethylene coatings 10 are respectively arranged on the inner sealing ring surface 11 and the outer sealing ring surface 12 of the annular sealing ring main body 1.
Further, in this example, nitrogen gas is filled in the inner arc-shaped extrusion ring cavity 2, the outer arc-shaped extrusion ring cavity 3, the connecting cavity 4 and the spherical gas storage ring cavity 6.
When the dustproof sealing ring is used, the high-pressure side surface 14 of the annular sealing ring main body 1 is arranged on the high-pressure side of a workpiece, the low-pressure side surface 13 of the annular sealing ring main body 1 is arranged on the low-pressure side of the workpiece, after the installation is finished, the high-pressure side surface 14 receives high-pressure extrusion, the arc extrusion convex ring 7 deforms leftwards, the arc extrusion convex ring 7 extrudes nitrogen in the spherical gas storage ring cavity 6 leftwards, the nitrogen is extruded into the inner arc extrusion ring cavity 2 and the outer arc extrusion ring cavity 3 from the plurality of connecting cavities 4, meanwhile, high pressure at the high-pressure side surface 14 enters the arc extrusion ring cavity 8 from the air inlet 9 to realize secondary extrusion on the nitrogen in the spherical gas storage ring cavity 6, the nitrogen can be ensured to enter the inner arc extrusion ring cavity 2 and the outer arc extrusion ring cavity 3 as much as possible, the inner arc extrusion ring cavity 2 is pressed towards the center of the annular sealing ring main body 1, the outer arc-shaped extrusion ring cavity 3 is pressed towards the outer direction of the ring-shaped seal ring main body 1, so that the polytetrafluoroethylene coatings 10 on the inner seal ring surface 11 and the outer seal ring surface 12 are forced to respectively and tightly abut against a workpiece to realize a dustproof effect.
The utility model discloses a dustproof sealing ring, novel structure, install the high pressure side of dustproof sealing ring in the high pressure one side of work piece, the low pressure side of dustproof sealing ring is installed in the low pressure one side of work piece, the arc extrusion bulge loop of high pressure side can extrude the nitrogen gas in the spherical gas storage ring cavity into inside and outside arc extrusion ring cavity after receiving high pressure extrusion, force the inside and outside sealing ring face of dustproof sealing ring to closely extrude the work piece, the air inlet can introduce the pressure of high pressure one side into the arc extrusion ring cavity and realize the secondary extrusion to spherical gas storage ring cavity, guarantee that the nitrogen gas in the spherical gas storage ring cavity can be sent into inside and outside arc extrusion ring cavity as far as possible, realize high seal, dustproof effect is good, simultaneously, fill nitrogen gas in inside and outside arc extrusion ring cavity, connect chamber and spherical gas storage ring cavity and can guarantee the stability of deformation when extruding, in addition, set up arc metal braided ring inside the low pressure side of dustproof sealing ring, the polytetrafluoroethylene coating is added on the inner and outer seal ring surfaces of the dustproof seal ring, so that the inner and outer seal ring surfaces can be prevented from abnormal deformation in the process of tightly extruding a workpiece, the wear resistance is improved, the structural strength is good, the service life is prolonged, and the use requirements of people are met.
Claims (3)
1. Dustproof sealing washer, its characterized in that: the method comprises the following steps: the annular sealing ring comprises an annular sealing ring main body (1), wherein four surfaces of the annular sealing ring main body (1) are respectively an inner sealing ring surface (11), an outer sealing ring surface (12), a low-pressure side surface (13) and a high-pressure side surface (14), an inner arc-shaped extrusion ring cavity (2) is arranged in the annular sealing ring main body (1) close to the inner sealing ring surface (11), an outer arc-shaped extrusion ring cavity (3) is arranged in the annular sealing ring main body (1) close to the outer sealing ring surface (12), the inner arc-shaped extrusion ring cavity (2) and the outer arc-shaped extrusion ring cavity (3) are communicated with each other through a plurality of connecting cavities (4) uniformly arranged in the middle of the annular sealing ring main body (1), an arc-shaped metal woven ring (5) is arranged in the annular sealing ring main body (1) close to the low-pressure side surface (13), and a spherical gas storage ring cavity (6) is arranged in the annular sealing ring main body, one side of spherical gas storage ring chamber (6) and connection chamber (4) communicate each other be provided with arc extrusion bulge loop (7) on high pressure side (14) of spherical gas storage ring chamber (6) opposite side be provided with arc extrusion ring chamber (8) between arc extrusion bulge loop (7) and spherical gas storage ring chamber (6) high pressure side (14) evenly are provided with a plurality of air inlets (9) that communicate each other with arc extrusion ring chamber (8).
2. The dust seal of claim 1, wherein: and polytetrafluoroethylene coatings (10) are respectively arranged on the inner sealing ring surface (11) and the outer sealing ring surface (12) of the annular sealing ring main body (1).
3. The dust seal of claim 1, wherein: and nitrogen is filled in the inner arc-shaped extrusion annular cavity (2), the outer arc-shaped extrusion annular cavity (3), the connecting cavity (4) and the spherical gas storage annular cavity (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920559614.1U CN209839144U (en) | 2019-04-23 | 2019-04-23 | Dustproof sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920559614.1U CN209839144U (en) | 2019-04-23 | 2019-04-23 | Dustproof sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209839144U true CN209839144U (en) | 2019-12-24 |
Family
ID=68913204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920559614.1U Expired - Fee Related CN209839144U (en) | 2019-04-23 | 2019-04-23 | Dustproof sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209839144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609345A (en) * | 2020-05-25 | 2020-09-01 | 李红福 | High leakproofness is landscape lamp under water |
-
2019
- 2019-04-23 CN CN201920559614.1U patent/CN209839144U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609345A (en) * | 2020-05-25 | 2020-09-01 | 李红福 | High leakproofness is landscape lamp under water |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 |