CN204359496U - A kind of O-ring seal proving installation - Google Patents
A kind of O-ring seal proving installation Download PDFInfo
- Publication number
- CN204359496U CN204359496U CN201420743428.0U CN201420743428U CN204359496U CN 204359496 U CN204359496 U CN 204359496U CN 201420743428 U CN201420743428 U CN 201420743428U CN 204359496 U CN204359496 U CN 204359496U
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- CN
- China
- Prior art keywords
- mount pad
- ring seal
- fittings body
- pressure head
- proving installation
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Abstract
The utility model relates to a kind of O-ring seal proving installation, it comprises a mount pad, one end of described mount pad is threaded connection a pressure head, the other end of described mount pad is fixedly connected with a steel pipe by a fittings body, generation fittings body is set between described pressure head and described fittings body, described generation fittings body, described mount pad and described fittings body form one for placing the groove of O-ring seal.The utility model can make by rotary press head the axial dimension consecutive variations of groove installing O-ring seal, and then can record the ability that O-ring seal adapts to axially different dimensioned trenches.
Description
Technical field
The utility model relates to a kind of proving installation, particularly about a kind of O-ring seal proving installation.
Background technology
O-ring seal is a kind of important seal, is widely used in the syndeton of railway freight-car pipeline flange.But due to the error in railway freight-car pipeline flange process and the severe applying working condition of railway freight-car pipeline flange, the axial dimension causing the groove installing O-ring seal changes greatly, and the change of groove dimensions has had a strong impact on the sealing property of O-ring seal.In order to ensure that O-ring seal still can play good sealing effectiveness in the middle of the groove of constantly change, in the development process of O-ring seal, the performance test of axially different dimensioned trenches to be carried out, to test the ability that O-ring seal adapts to axially different dimensioned trenches to O-ring seal.
At present, adopt the pad increasing different-thickness between the flanges to test the ability that O-ring seal adapts to axially different dimensioned trenches.But this method of testing not only operates inconvenience, and the consecutive variations of groove axial dimension can not be realized, make test data imperfection.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of axial dimension consecutive variations that can realize the groove installing O-ring seal, and then test O-ring seal adapts to the O-ring seal proving installation of different groove shaft to size capability.
For realizing above-mentioned technical purpose, the utility model takes following technical scheme: a kind of O-ring seal proving installation, it comprises a mount pad, one end of described mount pad is threaded connection a pressure head, the other end of described mount pad is fixedly connected with a steel pipe by a fittings body, generation fittings body is set between described pressure head and described fittings body, described generation fittings body, described mount pad and described fittings body form one for placing the groove of O-ring seal.
Described mount pad is the hollow cylinder of both ends open, and described mount pad side is provided with internal thread, an extended flange in described mount pad other end side direction.
Described pressure head is one-body molded by two right cylinders that diameter is different, wherein, large cylinder being provided with the external thread for matching with described internal thread, small cylinder being provided with more than one aid hole.
In described generation, fittings body comprised a right cylinder, and a described cylindrical circular end face stretches out and arranges a ball-type projection, and described ball-type projection is close in the middle part of described pressure head, and the described cylindrical face of cylinder and described mount pad inwall are fitted; Described another circular end face cylindrical and described mount pad, described fittings body form described groove.
Described fittings body adopts railway freight-car flange male adapter body, one end of described railway freight-car flange male adapter body is fastened in described flange, the other end of described male adapter body and described steel-pipe welding, the other end of described steel pipe connects an external pressure air source device.
The utility model is owing to taking above technical scheme, it has the following advantages: 1, the utility model owing to arranging the groove installing O-ring seal in mount pad, and rotatable pressure head is set in mount pad, under the effect of pressure head, make the axial dimension of the groove installing O-ring seal can consecutive variations, and then the adaptive faculty of O-ring seal at different groove axial dimension can be tested.2, the utility model owing to being provided with aid hole on pressure head, therefore makes the utility model convenient operation.3, the utility model is due to the combining form by being designed to cylinder and sphere for fittings body, surface of contact for fittings body and pressure head is reduced, and then the moment of friction reduced between the two, not only make operation save strength, and be convenient to the Axial changes size controlling the groove installing O-ring seal.4, the utility model is owing to adopting railway freight-car flange male adapter body, makes O-ring seal of the present utility model install groove more close with the installation groove of O-ring seal during actual use, and then makes test result more accurate.The utility model can be widely used in the sealing property test of O-ring seal.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of mount pad of the present utility model;
Fig. 3 is pressure head structure schematic diagram of the present utility model;
Fig. 4 is the structural representation of generation of the present utility model fittings body.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1, O-ring seal proving installation of the present utility model comprises a mount pad 1, one end of mount pad 1 is threaded connection a pressure head 2, the other end of mount pad 1 is fixedly connected with a steel pipe 4 by a fittings body 3, generation fittings body 5 is set between pressure head 2 and fittings body 3, wherein, one is formed for placing the groove 7 of O-ring seal 6 for fittings body 5, mount pad 1 and fittings body 3.
In a preferred embodiment, as shown in Figure 2, mount pad 1 is the hollow cylinder of both ends open, and mount pad 1 side is provided with internal thread 11, an extended flange 12 in mount pad 1 other end side direction.
In a preferred embodiment, as shown in Figure 3, pressure head 2 is one-body molded by two right cylinders that diameter is different, wherein, large cylinder 21 being provided with the external thread 22 for matching with the internal thread 11 of mount pad 1, small cylinder 23 can being provided with more than one aid hole 24, during use, cylindrical tool (not shown) can be inserted in aid hole 24, make easy to operate.
In a preferred embodiment, as shown in Figure 4, comprise a right cylinder 51 for fittings body 5, a circular end face of right cylinder 51 stretches out and arranges a ball-type projection 52, and ball-type projection 52 is close in the middle part of pressure head 2, and cylinder and the mount pad inwall of right cylinder 51 are fitted; Wherein, another circular end face of right cylinder 51 and mount pad 1, fittings body 3 form groove 7.
In a preferred embodiment, fittings body 3 can adopt railway freight-car flange male adapter body, one end of male adapter body is fastened in the flange 12 of mount pad 1, and the other end and the steel pipe 4 of male adapter body are integrally welded, and the other end of steel pipe 4 connects an external pressure air source device.
When the utility model uses, an O-ring seal 6 to be tested is placed in groove 7, and installs successively for fittings body 5 and pressure head 2.After installation, cylindrical tool is inserted in the aid hole 24 of pressure head 2, and acting force is applied to cylindrical tool, pressure head 2 and mount pad 1 is made to carry out transmission by screw thread, pressure head 2 extrudes the ball-type projection 52 for fittings body 5, groove 7 axial dimension placing O-ring seal 6 is diminished, and stop applying acting force to cylindrical tool, groove 7 axial dimension immobilizes.Continuously the axial dimension consecutive variations that acting force can make groove 7 is applied to cylindrical tool, and then the ability that O-ring seal 6 adapts to axially different dimensioned trenches 7 can be recorded.During test, by external pressure air source device, pressed gas is pressed in mount pad 1 by steel pipe 4, can adopt mount pad 1 is positioned over below the water surface or in modes such as mount pad 1 surface smear colloids to check the sealing property of O-ring seal 6 whether good.
Above-described embodiment is only for illustration of the utility model; wherein the structure of each parts, connected mode and manufacture craft etc. all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (6)
1. an O-ring seal proving installation, it is characterized in that: it comprises a mount pad, one end of described mount pad is threaded connection a pressure head, the other end of described mount pad is fixedly connected with a steel pipe by a fittings body, generation fittings body is set between described pressure head and described fittings body, described generation fittings body, described mount pad and described fittings body form one for placing the groove of O-ring seal.
2. a kind of O-ring seal proving installation as claimed in claim 1, it is characterized in that: described mount pad is the hollow cylinder of both ends open, described mount pad side is provided with internal thread, an extended flange in described mount pad other end side direction.
3. a kind of O-ring seal proving installation as claimed in claim 2, it is characterized in that: described pressure head is one-body molded by two right cylinders that diameter is different, wherein, large cylinder being provided with the external thread for matching with described internal thread, small cylinder being provided with more than one aid hole.
4. a kind of O-ring seal proving installation as claimed in claim 1, it is characterized in that: described generation fittings body comprise a right cylinder, a described cylindrical circular end face stretches out and arranges a ball-type projection, described ball-type projection is close in the middle part of described pressure head, and the described cylindrical face of cylinder and described mount pad inwall are fitted; Described another circular end face cylindrical and described mount pad, described fittings body form described groove.
5. a kind of O-ring seal proving installation as claimed in claim 2, it is characterized in that: described generation fittings body comprise a right cylinder, a described cylindrical circular end face stretches out and arranges a ball-type projection, described ball-type projection is close in the middle part of described pressure head, and the described cylindrical face of cylinder and described mount pad inwall are fitted; Described another circular end face cylindrical and described mount pad, described fittings body form described groove.
6. a kind of O-ring seal proving installation as described in Claims 2 or 3 or 5, it is characterized in that: described fittings body adopts railway freight-car flange male adapter body, one end of described railway freight-car flange male adapter body is fastened in described flange, the other end of described male adapter body and described steel-pipe welding, the other end of described steel pipe connects an external pressure air source device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420743428.0U CN204359496U (en) | 2014-12-01 | 2014-12-01 | A kind of O-ring seal proving installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420743428.0U CN204359496U (en) | 2014-12-01 | 2014-12-01 | A kind of O-ring seal proving installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204359496U true CN204359496U (en) | 2015-05-27 |
Family
ID=53260960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420743428.0U Expired - Fee Related CN204359496U (en) | 2014-12-01 | 2014-12-01 | A kind of O-ring seal proving installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204359496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103040A1 (en) * | 2019-11-26 | 2021-06-03 | 深圳大学 | Testing apparatus and testing method for high-pressure sealing ring |
-
2014
- 2014-12-01 CN CN201420743428.0U patent/CN204359496U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103040A1 (en) * | 2019-11-26 | 2021-06-03 | 深圳大学 | Testing apparatus and testing method for high-pressure sealing ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100072 Beijing city Fengtai District Zhang Guozhuang No. 1 Patentee after: Beijing Zhongche 27 Vehicles Co. Ltd. Address before: 100072 Beijing city Fengtai District Zhang Guozhuang No. 1 Patentee before: South Locomotive Erqi Vehicle 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: 20150527 Termination date: 20181201 |