CN205941224U - Short straight metal pressure pipe fitting pressing experiment device - Google Patents
Short straight metal pressure pipe fitting pressing experiment device Download PDFInfo
- Publication number
- CN205941224U CN205941224U CN201620935406.3U CN201620935406U CN205941224U CN 205941224 U CN205941224 U CN 205941224U CN 201620935406 U CN201620935406 U CN 201620935406U CN 205941224 U CN205941224 U CN 205941224U
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- China
- Prior art keywords
- ladder
- pipe fitting
- mandrel
- short straight
- dabber
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Examining Or Testing Airtightness (AREA)
- Joints With Pressure Members (AREA)
Abstract
The utility model discloses a short straight metal pressure pipe fitting pressing experiment device belongs to the mechanical device field, including clamp plate, flexible sealing pad, dabber and nut, the dabber is dumbbell shape, and its middle part be first ladder, and the right -hand member of dabber and left end are symmetrical is equipped with second to the 9th ladder, and the left end of dabber is second to the 5th ladder, and the right -hand member of dabber is the 6th to the 9th ladder, and the await measuring internal diameter of pipe fitting of the equal less than or equal to of the biggest diameter of axle is equipped with inward gas pocket on the first ladder, and this gas pocket extends to the tip of the arbitrary one end of dabber, all is equipped with clamp plate and flexible sealing pad on third and the 7th ladder, fourth and the 7th ladder all are equipped with the external screw thread, the nut is through this external screw thread and corresponding ladder cooperation installation. The device simple structure, safe and reliable, convenient operation can effectively detect out the leakproofness that metal pressure pipe fitting was straightened to the weak point.
Description
Technical field
This utility model belongs to machinery field, more particularly, to a kind of short straight stress metal pipe fitting bulge test device.
Background technology
In factory, the hydraulic system of product vehicle, baric systerm have some short straight stress metal pipe fittings to need to carry out before assembly
Whether bulge test, can reach use requirement with the resistance to pressure testing pipe fitting, entered pressurize simultaneously and can test it for a period of time
Whether sealing is good.Short straight stress metal pipe fitting is usually a straight thin-wall metal pipe, and there is roll wave structure at two ends, in the pressure of vehicle
Generally it is connected with corrugated tube with clip in Force system, because of its end non-threaded configurations, carry out cannot using plug screw class during bulge test
Part its end is sealed, and the bulge test of such short straight stress metal pipe fitting is more difficult to be done.
Content of the invention
Part in order to overcome the above-mentioned deficiencies of the prior art, this utility model provides a kind of short straight stress metal pipe fitting to suppress
Assay device, this apparatus structure is simple, safe and reliable, easy to operate, and energy effective detection goes out the sealing of short straight stress metal pipe fitting
Property.
For achieving the above object, this utility model adopts the following technical scheme that：Examination suppressed by a kind of short straight stress metal pipe fitting
Experiment device, including pressing plate, flexible gasket, mandrel and nut, described mandrel is dumbbell shape, is the first ladder in the middle part of it, mandrel
Right-hand member symmetrical with left end be provided with the second to the 9th ladder, the left end of mandrel is the second to the 5th ladder, and the right-hand member of mandrel is
6th to the 9th ladder, the maximum diameter of axle is respectively less than the internal diameter being equal to pipe fitting to be measured, and the first ladder is provided with inside pore, this gas
Hole extends to the end of any one end of mandrel, and the 3rd and the 7th ladder is equipped with pressing plate and flexible gasket, and the described 4th
It is equipped with external screw thread with the 7th ladder, described nut is passed through this external screw thread and installed with respective steps cooperation.
In technique scheme, described flexible gasket and pressing plate are annular, and described flexible gasket external diameter is more than
Equal to pipe fitting internal diameter to be measured, described pressing plate external diameter is less than or equal to bore to be measured.
In technique scheme, the end of the mandrel that described pore extends to is provided with conical internal thread.
In technique scheme, described pressing plate internal diameter is less than described nut external diameter.
In technique scheme, described flexible gasket is rubber gasket.
In technique scheme, described external screw thread is closely-pitched external screw thread.
The beneficial effects of the utility model are：This apparatus structure is simple, easy to operate, and short straight metal tube part can be carried out
Effectively seal, and it designs for integral type, the pressure that mandrel is subject to is equal, does not result in inside pipe fitting pressure to be measured excessive
And so that this device is come off.
Brief description
Fig. 1 is use schematic diagram of the present utility model.
Fig. 2 is the structural representation of mandrel in Fig. 1.
Wherein：1. pressing plate, 2. flexible gasket, 3. mandrel, 4. nut, 5. the first ladder, 6. the second ladder, 7. the 3rd rank
Ladder, 8. fourth order ladder, 9. the 5th ladder, 10. the 6th ladder, 11. the 7th ladders, 12. the 8th ladders, 13. the 9th ladders, 14.
Pore, 15. external screw threads, 16. conical internal threads, 17. pipe fittings to be measured.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail.
The short straight stress metal pipe fitting bulge test device of one kind as depicted in figs. 1 and 2, including pressing plate 1, flexible gasket
2nd, mandrel 3 and nut 4, described mandrel 3 is dumbbell shape, is the first ladder 5 in the middle part of it, set symmetrical with left end of the right-hand member of mandrel 3
There is the second to the 9th ladder, the left end of mandrel 3 is the second to the 5th ladder 6,7,8,9, the right-hand member of mandrel 3 is the 6th to the 9th rank
Ladder 10,11,12,13, the maximum diameter of axle is respectively less than the internal diameter being equal to pipe fitting 17 to be measured, and the first ladder 5 is provided with inside pore 14,
This pore 14 extends to the end of mandrel 3 left end, and the 3rd and the 7th ladder 7,11 is equipped with pressing plate 1 and flexible gasket 2, institute
State the 4th and the 7th ladder 8,12 and be equipped with external screw thread 15, described nut 4 is passed through this external screw thread 15 and installed with respective steps cooperation.
In technique scheme, described flexible gasket 2 and pressing plate 1 are annular, and described flexible gasket 2 external diameter is big
In equal to pipe fitting 17 internal diameter to be measured, described pressing plate 1 external diameter is less than or equal to treat test tube 17 internal diameter.
In technique scheme, the end of the mandrel 3 that described pore 14 extends to is provided with conical internal thread 16.
In technique scheme, described pressing plate 1 internal diameter is less than described nut 4 external diameter.
In technique scheme, described flexible gasket 2 is rubber gasket.
In technique scheme, described external screw thread 15 is closely-pitched external screw thread.
During using device of the present utility model, assemble by relation shown in Fig. 1, this device is put into pipe fitting 17 to be measured
In, adjusting its position makes left and right two ends flexible gasket 2 be all located at the inner side of pipe fitting 17 two ends roll wave to be measured, screws up with a wrench two
The nut 4 at end, makes pressing plate 1 extrude flexible gasket 2 and so that its tensioner is deformed to reach sealing function, will suppress equipment outer cone spiral shell
Stricture of vagina interface is connected with the interface of conical internal thread 16, you can treats test tube part 17 by pore 14 and carries out bulge test.
The above, only this utility model preferably specific embodiment, but protection domain of the present utility model is not
It is confined to this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in
Change or replacement, all should cover within protection domain of the present utility model.
Claims (6)
1. a kind of short straight stress metal pipe fitting bulge test device, is characterized in that：Including pressing plate, flexible gasket, mandrel and spiral shell
Mother, described mandrel is dumbbell shape, is the first ladder, what the right-hand member of mandrel was symmetrical with left end is provided with the second to the 9th rank in the middle part of it
Ladder, the left end of mandrel is the second to the 5th ladder, and the right-hand member of mandrel is the 6th to the 9th ladder, and the maximum diameter of axle is respectively less than to be equal to and treats
The internal diameter of test tube part, the first ladder is provided with inside pore, and this pore extends to the end of any one end of mandrel, the 3rd He
It is equipped with pressing plate and flexible gasket, described 4th and the 7th ladder is equipped with external screw thread, and described nut passes through on 7th ladder
This external screw thread is installed with respective steps cooperation.
2. short straight stress metal pipe fitting bulge test device according to claim 1, is characterized in that：Described flexible gasket
It is annular with pressing plate, described flexible gasket external diameter is more than or equal to pipe fitting internal diameter to be measured, described pressing plate external diameter is less than or equal to treat
Test tube internal diameter.
3. short straight stress metal pipe fitting bulge test device according to claim 1, is characterized in that：Described pore extends to
The end of mandrel be provided with conical internal thread.
4. short straight stress metal pipe fitting bulge test device according to claim 1, is characterized in that：Described pressing plate internal diameter is little
In described nut external diameter.
5. short straight stress metal pipe fitting bulge test device according to claim 1 and 2, is characterized in that：Described flexibility is close
Packing is rubber gasket.
6. short straight stress metal pipe fitting bulge test device according to claim 1, is characterized in that：Described external screw thread is thin
Tooth external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620935406.3U CN205941224U (en) | 2016-08-24 | 2016-08-24 | Short straight metal pressure pipe fitting pressing experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620935406.3U CN205941224U (en) | 2016-08-24 | 2016-08-24 | Short straight metal pressure pipe fitting pressing experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205941224U true CN205941224U (en) | 2017-02-08 |
Family
ID=57952125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620935406.3U Active CN205941224U (en) | 2016-08-24 | 2016-08-24 | Short straight metal pressure pipe fitting pressing experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205941224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860525A (en) * | 2017-11-01 | 2018-03-30 | 北京动力机械研究所 | The flexibility of narrow intensive runner suppresses detection method |
-
2016
- 2016-08-24 CN CN201620935406.3U patent/CN205941224U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860525A (en) * | 2017-11-01 | 2018-03-30 | 北京动力机械研究所 | The flexibility of narrow intensive runner suppresses detection method |
| CN107860525B (en) * | 2017-11-01 | 2019-10-25 | 北京动力机械研究所 | The flexibility of narrow intensive runner suppresses detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |