CN216951642U - Olive-shaped sealing ring of quick joint for brake pipeline of railway wagon - Google Patents
Olive-shaped sealing ring of quick joint for brake pipeline of railway wagon Download PDFInfo
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- CN216951642U CN216951642U CN202220125558.2U CN202220125558U CN216951642U CN 216951642 U CN216951642 U CN 216951642U CN 202220125558 U CN202220125558 U CN 202220125558U CN 216951642 U CN216951642 U CN 216951642U
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- olive
- sealing ring
- arc surface
- shaped sealing
- brake pipeline
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Abstract
The utility model discloses an olive-shaped sealing ring for a quick coupler of a railway freight car brake pipeline, wherein the cross section of the sealing ring is olive-shaped, the sealing ring comprises an upper end surface and a lower end surface which are arranged in a back direction, the upper end surface is formed by a first convex surface, and the lower end surface is formed by a second convex surface. The olive-shaped sealing ring of the quick coupler for the brake pipeline of the railway wagon improves the sealing performance of the quick coupler for the brake pipeline of the railway wagon.
Description
Technical Field
The utility model relates to the technical field of railway wagon brake pipeline sealing, in particular to an olive-shaped sealing ring for a quick coupler of a railway wagon brake pipeline.
Background
At present, automatic air brakes are adopted on railway vehicles in China, and the change of compressed air pressure in a brake pipe is controlled to realize that the brakes of various vehicles of a train generate corresponding functions. The relationship between the braking and relieving action of the automatic air brake and the change of the pressure in the brake pipeline is that the automatic air brake brakes when the brake pipe is decompressed and relieves when the brake pipe is boosted. When the train is in a car coupler separation accident or pulls the emergency brake valve, the pressure in the brake pipe is reduced, and the whole train can automatically generate a braking effect to stop. When the train normally runs, the stability of the air pressure in the vehicle braking system needs to be ensured, and the air leakage is prevented, so that a large amount of sealing materials are used for the vehicle braking pipeline. However, when the brake pipe of the vehicle is locally leaked seriously and the wind pressure is unstable, the inconsistency between the braking and the relieving of the front and the rear vehicles can cause serious accidents such as derailment of the vehicle, especially in winter with low temperature, so the sealing effect of the sealing materials directly influences the driving safety of the railway freight car.
The sealing reliability of the railway wagon brake pipeline is greatly influenced by the connecting sealing reliability of the quick coupler, the railway wagon application environment in China is severe, the sealing ring of the brake pipeline is required to normally work at the temperature of-50-70 ℃, part of lines still face the working condition of a unfreezing warehouse when being applied in winter, and the sealing ring can endure at least 3 hours at the temperature of 110 ℃.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model aims to provide an olive-shaped sealing ring for a quick coupler of a railway wagon brake pipeline, so as to improve the sealing performance of the quick coupler of the railway wagon brake pipeline.
Based on the purpose, the utility model provides the olive-shaped sealing ring for the quick coupler of the railway freight car brake pipeline, the cross section of the sealing ring is in an olive shape, the sealing ring comprises an upper end face and a lower end face which are arranged in a back direction, the upper end face is formed by a first convex face, and the lower end face is formed by a second convex face.
Optionally, the first convex surface is a first circular arc surface, the second convex surface is a second circular arc surface, just the first circular arc surface with the circular arc radius of second circular arc surface is 0.05mm-5mm, the width of olive shape cross-section in center department is 0.1mm-10mm, the height of olive shape sealing washer is 0.1mm-10 mm.
Optionally, the seal ring further includes an inner peripheral surface and an outer peripheral surface, the inner peripheral surface is a third arc surface, the outer peripheral surface is a fourth arc surface, the third arc surface is curved in a direction away from the fourth arc surface, and the fourth arc surface is curved in a direction away from the third arc surface.
Optionally, the olive-shaped sealing ring is made of one of polyurethane, nitrile rubber, silicone rubber and chloroprene rubber.
The olive-shaped sealing ring for the quick-assembly joint of the railway wagon brake pipeline comprises a sealing ring, the cross section of the sealing ring is in an olive shape, the olive-shaped sealing ring is symmetrically arranged up and down and left and right, and the first convex surface and the second convex surface are easily embedded into a sealing gap between the quick-assembly joint, the gasket and the steel pipe, so that the vertical double-filling sealing effect can be achieved, and the sealing performance of the quick-assembly joint of the railway wagon brake pipeline is improved.
Drawings
The objects and advantages of the present invention will be understood by the following detailed description of the preferred embodiments of the utility model, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of an olive-shaped sealing ring of a railway wagon brake pipe quick-mounting joint according to an embodiment of the utility model;
FIG. 2 is a schematic top view of a rail wagon brake pipe quick coupler olive seal ring in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of the usage state of the olive-shaped sealing ring of the quick coupler for the brake pipe of the railway freight car according to one embodiment of the present invention;
fig. 4 is a partial enlarged view of fig. 3 at a.
Description of reference numerals:
1: a first convex surface; 2: a second convex surface; 3: a third arc surface; 4: and a fourth arc surface.
Detailed Description
The present invention will be described in detail with reference to examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in figures 1 to 4, the olive-shaped sealing ring for the quick coupler of the railway freight car brake pipeline, provided by the utility model, has an olive-shaped cross section, and comprises an upper end surface and a lower end surface which are arranged in a back-to-back manner, wherein the upper end surface is formed by a first convex surface 1, and the lower end surface is formed by a second convex surface 2.
The olive-shaped sealing ring for the quick-assembly joint of the railway freight car brake pipeline comprises a sealing ring, the cross section of the sealing ring is in an olive shape, the olive-shaped sealing ring is symmetrically arranged up and down and left and right, and the first convex surface 1 and the second convex surface 2 are easily embedded into a sealing gap between a quick-assembly joint, a gasket and a steel pipe, so that the vertical double-filling sealing effect can be achieved. Thereby improving the sealing performance of the railway wagon brake pipe quick-mounting joint.
In one embodiment of the utility model, the first convex surface 1 is a first arc surface, the second convex surface 2 is a second arc surface, the arc radiuses of the first arc surface and the second arc surface are both 0.05mm-5mm, the width of the olive-shaped section at the center is 0.1mm-10mm, and the height of the olive-shaped sealing ring is 0.1mm-10 mm. The olive-shaped sealing ring with the size is high in height, flows to the surface of the pipe fitting easily when being pressed, is large in contact area with the pipe fitting, is good in sealing effect, and further improves the sealing performance of the pipeline joint.
As shown in fig. 1, 3 and 4, the seal ring further includes an inner peripheral surface and an outer peripheral surface, the inner peripheral surface is a third arc surface 3, the outer peripheral surface is a fourth arc surface 4, the third arc surface 3 is curved in a direction away from the fourth arc surface 4, and the fourth arc surface 4 is curved in a direction away from the third arc surface 3. The olive-shaped sealing ring is centrosymmetric, simple in structure and easy to install, and can solve the problems that the axial compression amount of the O-shaped ring of the quick coupler is insufficient, the gap between the mounting groove and the sealing part is not properly assembled and the like, so that the sealing performance of the quick coupler of the railway wagon brake pipeline and the service life of the quick coupler are improved, and the maintenance cost of the railway wagon brake pipeline is reduced.
In an embodiment of the present invention, the olive-shaped sealing ring is made of one of polyurethane, nitrile rubber, silicone rubber, and chloroprene rubber. The material is easy to acquire and purchase, and the price is low, so that the production cost of the sealing ring of the brake pipeline joint of the railway wagon is reduced.
The olive-shaped sealing ring for the quick-assembly joint of the railway freight car brake pipeline comprises a sealing ring, the cross section of the sealing ring is in an olive shape, the olive-shaped sealing ring is centrosymmetric, and the first convex surface 1 and the second convex surface 2 are easily embedded into a sealing gap between the quick-assembly joint, a gasket and a steel pipe, so that the vertical double-filling sealing effect can be achieved, and the sealing performance of the quick-assembly joint of the railway freight car brake pipeline is improved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. The utility model provides a rail wagon brake pipe quick-assembly joint olive shape sealing washer which characterized in that, the cross sectional shape of sealing washer is olive shape, the sealing washer is including the up end and the lower terminal surface that set up dorsad, the up end comprises first convex surface, the terminal surface comprises the second convex surface down.
2. The rail wagon brake pipe quick-assembly joint olive-shaped sealing ring as claimed in claim 1, wherein the first convex surface is a first circular arc surface, the second convex surface is a second circular arc surface, the circular arc radiuses of the first circular arc surface and the second circular arc surface are both 0.05mm-5mm, the width of the olive-shaped cross section at the center is 0.1mm-10mm, and the height of the olive-shaped sealing ring is 0.1mm-10 mm.
3. The rail wagon brake pipe quick attach fitting olive seal ring of claim 2, further comprising an inner circumferential surface and an outer circumferential surface, wherein the inner circumferential surface is a third arc surface, the outer circumferential surface is a fourth arc surface, the third arc surface is curved away from the fourth arc surface, and the fourth arc surface is curved away from the third arc surface.
4. The olive-shaped sealing ring for the railway wagon brake pipe quick-assembly joint as claimed in claim 3, wherein the olive-shaped sealing ring is made of one of polyurethane, nitrile rubber, silicone rubber and chloroprene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220125558.2U CN216951642U (en) | 2022-01-18 | 2022-01-18 | Olive-shaped sealing ring of quick joint for brake pipeline of railway wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220125558.2U CN216951642U (en) | 2022-01-18 | 2022-01-18 | Olive-shaped sealing ring of quick joint for brake pipeline of railway wagon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216951642U true CN216951642U (en) | 2022-07-12 |
Family
ID=82316327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220125558.2U Active CN216951642U (en) | 2022-01-18 | 2022-01-18 | Olive-shaped sealing ring of quick joint for brake pipeline of railway wagon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216951642U (en) |
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2022
- 2022-01-18 CN CN202220125558.2U patent/CN216951642U/en active Active
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