CN205173780U - Rail vehicle braking piping sealing device - Google Patents
Rail vehicle braking piping sealing device Download PDFInfo
- Publication number
- CN205173780U CN205173780U CN201520867850.1U CN201520867850U CN205173780U CN 205173780 U CN205173780 U CN 205173780U CN 201520867850 U CN201520867850 U CN 201520867850U CN 205173780 U CN205173780 U CN 205173780U
- Authority
- CN
- China
- Prior art keywords
- flange
- fittings body
- edge face
- interior edge
- fittings
- 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
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The utility model discloses a rail vehicle braking piping sealing device, the first joint body and second including inner relative setting connect the body, the outer end and the first brake pipe fixed connection of the first joint body, and flexible seal is cup jointed along the periphery to the inner of the first joint body, first flange has been cup jointed along the periphery on the pipe shaft of the first joint body, the second connects the outer end and second brake pipe fixed connection of the body, and the second connects the interior terminal surface sphere cooperation of interior terminal surface with the elasticity seal of the body, , the second has cup jointed the second flange along the periphery on connecting the pipe shaft of personally experiencing sth. Part of the body, first flange connects the body through the screw bolt and nut with the first joint body and second with the second flange and meets. The utility model discloses sealing performance is good, especially also can not weaken its sealed effect when vehicle operation.
Description
Technical field
The utility model relates to piping seal arrangement, refers to a kind of brake tube for railway vehicle system sealing device particularly.
Background technique
The Placement that China railways car brakeing piping extensively adopts Flange Plane to seal, be fixedly mounted on the underframe of railway vehicle because Brake pipe is hung by pipe, and underframe mainly bears the load of horizontal longitudinal impact force and Vertical direction, so Brake pipe can with underframe downwarp and vibrations.The caliber of Brake pipe is generally between 0.5 ~ 2 inch, rigidity is larger, manufacture and differing greatly on location if pipe is hung in, it is special in Brake pipe is bend pipe, sealing surface and the Brake pipe out of plumb of fittings body will be there is, so two Brake pipes being difficult to strict guarantee docking are positioned on same central shaft, the sealing that cannot realize braking pipe arrangement is installed.In order to make two Brake pipes be positioned on same central shaft, needing by external force or heating of locally warming oneself by a fire is piping deformation, just can complete the docking of two Brake pipes, can produce very large assembling internal stress like this.
Along with the long-time running of railway vehicle, floor underframe for vehicle can be slowly sagging, and this situation can make Brake pipe be subject to alternating stress in operation vibrations.The connection of traditional braking pipe arrangement is the effect being reached sealing by being rigidly connected of flange, so when braking pipe arrangement is subject to larger alternating stress, can be delivered on the fastening screw screw bolt and nut of flange, add the born vibrations that are in operation for a long time, nut can be made easily to loosen.Further, when braking pipe arrangement bears larger assembling internal stress, the welding seam breaking between fittings body and Brake pipe can be caused.When there being welding seam breaking in piping seal arrangement, then there will be piping and reveal, directly cause vehicle air brake machine generation emergency braking, cause withdrawal of train.
So the sealing improving braking pipe arrangement seems particularly important, particularly under whole braking pipe arrangement is in the vibrations operating mode of vehicle operating, need still can keep its good seal performance.In the prior art, corresponding improvement also be have ever made for above braking pipe arrangement leakage problem, such as, between the fittings body of two correspondences, add seal ring.Such design no doubt adds the sealing between corresponding fittings body, but this sealing effect is only just better when whole braking pipe arrangement is static, when the vehicle is running, when vibrations occur for braking pipe arrangement and fittings body, the sealing effect of above-mentioned sealing configuration will weaken.
Summary of the invention
The purpose of this utility model will provide a kind of brake tube for railway vehicle system sealing device exactly, and its good seal performance particularly also can not weaken its sealing effect when vehicle operating.
For achieving the above object, brake tube for railway vehicle system sealing device designed by the utility model, comprise the first fittings body and the second fittings body that the inner is oppositely arranged, its special way is: the outer end of described first fittings body is fixedly connected with the first Brake pipe, and the inner of described first fittings body is circumferentially socketed with elastic sealed body; The pipe shaft of described first fittings body is circumferentially socketed with the first flange; The outer end of described second fittings body is fixedly connected with the second Brake pipe, the interior edge face of described second fittings body and the interior edge face mating spherical surfaces of elastic sealed body; The pipe shaft of described second fittings body is circumferentially socketed with the second flange; First fittings body is connected with the second fittings body by bolt and nut component with the second flange by described first flange.
Further, between described first flange and elastic sealed body, the pipe shaft of described first fittings body has extended radially the first flange, described first flange contacts with the inner face of the first flange and the exterior edge face of elastic sealed body respectively; The inner of described second fittings body has extended radially the second flange, and the exterior edge face of described second flange contacts with the inner face of the second flange, and the interior edge face of described second flange is the interior edge face of the second fittings body.
As one of optimal technical scheme, the interior edge face of described second fittings body is spherical convex surface, and the interior edge face of described elastic sealed body is spherical concave surface, and described spherical convex surface is identical with the spherical radius of spherical concave surface.
As optimal technical scheme two, the interior edge face of described second fittings body is spherical concave surface, and the interior edge face of described elastic sealed body is spherical convex surface, and described spherical convex surface is identical with the spherical radius of spherical concave surface.
In technique scheme, the outer end of described first fittings body is welded with the first Brake pipe, and the outer end of described second fittings body is welded with the second Brake pipe.
In brake tube for railway vehicle system sealing device described in the utility model, the inner of the first fittings body is provided with elastic sealed body, the inner of described elastic sealed body contacts and mating spherical surfaces with the inner of the second fittings body.Such design makes the inner area of contact of the inner of elastic sealed body and the second fittings body increase, good seal performance.Just make the first fittings body can allow less error with the second fittings body when contacting thus.That is, original clamped connection, by being rigidly connected to be converted into cleverly and flexibly connecting in prior art between two pipings, is changed to hinged connection by such structure.So on the one hand, the utility model can allow the error having certain limit when assembling braking pipe arrangement, and can eliminate the internal stress produced because of assembly error; On the other hand, when listing operation, the utility model also can effectively be avoided because the phenomenon with seal leakage appears loosening in braking pipe arrangement under vibrations and stress condition.Draw good sealing effect of the present utility model thus, be in time under dynamic condition, also do not affect its sealability.
The first flange on first fittings body is used for fixing the first flange, and the second flange on the second fittings body is used for fixing the second flange.When installing the utility model, need to apply pressure to the inner of elastic sealed body and the inner of the second fittings body, what just make the interior edge face of elastic sealed body contact with the interior edge face of the second fittings body is tightr, and area of contact is larger.And this pressure for extruding is realized by the connection between screw bolt and nut by the first flange and the second flange.When screw bolt and nut acting in conjunction is on the first flange and the second flange, the first flange and the first flange offset, and the second flange and the second flange offset, and make the inner of the second fittings body contact with the inner of elastic sealed body and mutually extrude.Thus, the pressure that the inner that said structure enhances the first fittings body and the second fittings body contacts with each other, adds sealing of the present utility model.
The interior edge face of described second fittings body and the interior edge face of elastic sealed body are all sphere, and are cooperatively interact and the identical sphere of spherical radius.Such design adds the inner of the second fittings body and the area of contact of elastic sealed body the inner.And due to the inner of elastic sealed body be sphere, even if sphere outward edge weares and teares because using for a long time, and inside still can keep the contact with second fittings body the inner, just can ensure sealability of the present utility model.
In sum, the simple and good seal performance of the utility model structure, even if when vehicle operating, braking pipe arrangement and fittings body vibrate, also can not affect its sealability, and can vibration be born, so phenomenon screw bolt and nut can eliminated to loosen and cause leakage.In addition, due to the existence of elastic sealed body, so the utility model is for flexibly connecting, its error when assembling can be allowed, thus overcoming internal stress, protecting general structure of the present utility model.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of a kind of embodiment of the utility model, and in figure, elastic sealed body does not also contact with the second fittings body, and eliminates screw bolt and nut.
Fig. 2 is the cross-sectional view of the another kind of embodiment of the utility model, and in figure, elastic sealed body does not also contact with the second fittings body, and eliminates screw bolt and nut.
In figure: the first fittings body 1 (wherein: the first flange 1.1), the second fittings body 2 (wherein: the second flange 2.1), the first flange 3, second flange 4, first Brake pipe 5, second Brake pipe 6, elastic sealed body 7.
Embodiment
Describe performance of the present utility model in detail below in conjunction with accompanying drawing, but it is not formed to restriction of the present utility model, only illustrates.Simultaneously by illustrating, advantage of the present utility model will become clearly and easy understand.
As illustrated in fig. 1 and 2, one end that the first fittings body 1 and the second fittings body 2 contact with each other is the inner of each fittings body, and one end that the first fittings body 1 and the second fittings body 2 and Brake pipe are installed is the outer end of each fittings body.The pipe shaft being welded with the first Brake pipe 5, first fittings body 1 in the outer end of the first fittings body 1 has extended radially the first flange 1.1.Be connected on the pipe shaft of the first fittings body 1 by the first flange 3 coaxial sleeve, now, the inner face of the first flange 3 contacts with the exterior edge face of the first flange 1.1.The inner being welded with the second Brake pipe 6, second fittings body 2 in the outer end of the second fittings body 2 has extended radially the second flange 2.1.Be connected on the pipe shaft of the second fittings body 2 by the second flange 4 coaxial sleeve, now, the inner face of the second flange 4 contacts with the exterior edge face of the second flange 2.1.
A kind of embodiment as shown in Figure 1, is socketed with elastic sealed body 7 in the inner of the first fittings body 1, being made up of rubber material of elastic sealed body 7.Described elastic sealed body 7 is arranged along the periphery of the first fittings body 1, and the exterior edge face of elastic sealed body 7 contacts with the interior edge face of the first flange 1.1, and interior edge face is spherical concave surface.The interior edge face of the interior edge face of the second fittings body 2 namely the second flange 2.1 is spherical convex surface.The interior edge face of described elastic sealed body 7 matches with the interior edge face of the second fittings body 2 and is the sphere that spherical radius is identical.
Another kind of embodiment as shown in Figure 2, to be unlike the embodiment of FIG. 1ly, the interior edge face of elastic sealed body 7 is spherical convex surface, and the interior edge face of the second fittings body 2 is spherical concave surface.The interior edge face of described elastic sealed body 7 matches with the interior edge face of the second fittings body 2 and is the sphere that spherical radius is identical.
The utility model in installation process is, after two Brake pipes have been welded with two fittings bodies respectively, the inner with the second fittings body 2, the inner of elastic sealed body 7 is contacted, because the interior edge face of elastic sealed body 7 and the interior edge face of the second fittings body 2 are mating spherical surfaces, so now the first fittings body 1 and the second fittings body 2 are flexible slitless connection, and area of contact is large.Then the first flange 3 be socketed on the first fittings body 1 and the second flange 4 be socketed on the second fittings body 2 are interconnected by screw bolt and nut.Because the first flange 3 and the first flange 1.1 offset, the second flange 4 and the second flange 2.1 offset, and when two flanges are installed, extrude the pressure brought will be delivered on the first flange 1.1 and the second flange 2.1 by screw bolt and nut.Because the first flange 1.1 also offsets, so the Contact of elastic sealed body 7 and the second fittings body 2 is tight with elastic sealed body 7.Thus, favorable sealing property of the present utility model, even if under vibrating conditions, or when braking pipe arrangement installation exists error, also can not weaken its sealing effect.
Claims (5)
1. a brake tube for railway vehicle system sealing device, comprise the first fittings body (1) and the second fittings body (2) that the inner is oppositely arranged, it is characterized in that: the outer end of described first fittings body (1) is fixedly connected with the first Brake pipe (5), the inner of described first fittings body (1) is circumferentially socketed with elastic sealed body (7); The pipe shaft of described first fittings body (1) is circumferentially socketed with the first flange (3);
The outer end of described second fittings body (2) is fixedly connected with the second Brake pipe (6), the interior edge face of described second fittings body (2) and the interior edge face mating spherical surfaces of elastic sealed body (7); The pipe shaft of described second fittings body (2) is circumferentially socketed with the second flange (4);
First fittings body (1) is connected with the second fittings body (2) by bolt and nut component with the second flange (4) by described first flange (3).
2. brake tube for railway vehicle system sealing device according to claim 1, it is characterized in that: between described first flange (3) and elastic sealed body (7), the pipe shaft of described first fittings body (1) has extended radially the first flange (1.1), and described first flange (1.1) contacts with the inner face of the first flange (3) and the exterior edge face of elastic sealed body (7) respectively; The inner of described second fittings body (2) has extended radially the second flange (2.1), the exterior edge face of described second flange (2.1) contacts with the inner face of the second flange (4), and the interior edge face of described second flange (2.1) is the interior edge face of the second fittings body (2).
3. brake tube for railway vehicle system sealing device according to claim 1 and 2, it is characterized in that: the interior edge face of described second fittings body (2) is spherical convex surface, the interior edge face of described elastic sealed body (7) is spherical concave surface, and described spherical convex surface is identical with the spherical radius of spherical concave surface.
4. brake tube for railway vehicle system sealing device according to claim 1 and 2, it is characterized in that: the interior edge face of described second fittings body (2) is spherical concave surface, the interior edge face of described elastic sealed body (7) is spherical convex surface, and described spherical convex surface is identical with the spherical radius of spherical concave surface.
5. brake tube for railway vehicle system sealing device according to claim 1, it is characterized in that: the outer end of described first fittings body (1) is welded with the first Brake pipe (5), the outer end of described second fittings body (2) is welded with the second Brake pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867850.1U CN205173780U (en) | 2015-11-03 | 2015-11-03 | Rail vehicle braking piping sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867850.1U CN205173780U (en) | 2015-11-03 | 2015-11-03 | Rail vehicle braking piping sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205173780U true CN205173780U (en) | 2016-04-20 |
Family
ID=55737773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520867850.1U Active CN205173780U (en) | 2015-11-03 | 2015-11-03 | Rail vehicle braking piping sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205173780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240632A (en) * | 2015-11-03 | 2016-01-13 | 南车长江车辆有限公司 | Braking piping system sealing device for railway vehicle |
-
2015
- 2015-11-03 CN CN201520867850.1U patent/CN205173780U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240632A (en) * | 2015-11-03 | 2016-01-13 | 南车长江车辆有限公司 | Braking piping system sealing device for railway vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207334020U (en) | A kind of pipeline connecting parts | |
| CN105240632A (en) | Braking piping system sealing device for railway vehicle | |
| CN102345774A (en) | Low-pressure sealing pipe joint | |
| CN204420391U (en) | A kind of flange sealing structure based on wave tooth composite gasket | |
| CN205173780U (en) | Rail vehicle braking piping sealing device | |
| CN203384527U (en) | Pipe connector | |
| CN205479842U (en) | Railway freight car braking system tube coupling sealing flange connects | |
| CN204611152U (en) | Weld-ring pipe clamp | |
| CN204506534U (en) | A kind of automobile exhaust pipe flange arrangement | |
| CN207093968U (en) | A kind of loose joint head assembly | |
| CN202302416U (en) | Low-pressure sealing pipe joint | |
| CN204783224U (en) | A seal structure for engine exhaust system tube coupling | |
| CN105156788A (en) | Damping-compensation sealing rubber ring for socket pipelines | |
| CN202302425U (en) | Air pressure pipeline sealing and connecting device | |
| CN206234525U (en) | Sewage disposal pipeline configuration assembly | |
| CN101153682A (en) | Terminal sealing structure of air conditioner pipe lines | |
| CN203500714U (en) | Sealing and connecting structure for liner plastic steel pipes and flanges | |
| CN206861099U (en) | A kind of Petroleum Pipehead of good seal performance | |
| CN217003555U (en) | Flexible joint for railway vehicle | |
| CN205207652U (en) | Vehicle air conditioner is seal structure for system | |
| CN103486371B (en) | A kind of railway wagon brake pipe system connection set and attaching method thereof | |
| CN219493448U (en) | Steel ring reinforced rubber corrugated pipe | |
| CN212338591U (en) | Detector in pipeline and support thereof | |
| CN203784515U (en) | Flange mounting structure for high-pressure pipe | |
| CN221004207U (en) | Pipe joint structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |