CN203745150U - Sealing performance tester for rubber rings - Google Patents
Sealing performance tester for rubber rings Download PDFInfo
- Publication number
- CN203745150U CN203745150U CN201420050942.6U CN201420050942U CN203745150U CN 203745150 U CN203745150 U CN 203745150U CN 201420050942 U CN201420050942 U CN 201420050942U CN 203745150 U CN203745150 U CN 203745150U
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- China
- Prior art keywords
- pressure
- medium
- cylinder body
- seal
- cavity
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- Expired - Fee Related
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Abstract
The utility model relates to a sealing performance tester for rubber rings. The sealing performance tester comprises a cylinder and a water tank, wherein a cavity is formed in the cylinder, and the water tank is used for accommodating the cylinder. Multiple test channels communicated with the cavity, extending upwards and penetrating through the top end surface of the cylinder are formed in the cylinder, the rubber rings to be tested respectively sleeve openings at the top ends of the test channels, the bottom of the rubber rings is padded with pressure sensitive paper, holes corresponding positions of the openings are formed in the pressure sensitive paper, the top of the cylinder is provided with a cover plate via bolts, the rubber rings and the pressure-sensitive paper are placed between the cover plate and the cylinder, the cavity is communicated with a medium tank via a medium pipeline, and the medium pipeline is provided with a medium pressure control mechanism. The tester can test the influence of pressure and medium pressure on the sealing performance of the rubber rings, and is simple in structure, convenient to operate, capable of simulating the medium environment of an engine cylinder, and reliable and accurate in test result.
Description
Technical field
The utility model relates to engine art, specifically a kind of cylinder seal with elastometic washer performance testing device that starts.
Background technology
Leakage problem is the common fault of Engine Industry, often uses pad rubber ring to carry out medium-tight in engine, and whether the sealing property of rubber ring reveals to engine the vital effect that plays.The extruding force that pad rubber ring is suffered and the pressure influence of sealing medium its seal with elastometic washer ability.Therefore, there are two kinds of situations: one, in the situation that sealed medium pressure is certain, rubber ring is subject to great extruding force, and its sealing property is best; Its two, in the situation that the suffered extruding force of rubber ring is certain, the pressure of sealing medium can be broken through sealing in great situation.Do not have at present a kind of measurement mechanism to carry out quantitative test to above-mentioned two situations, therefore, the test of the sealing property of pad rubber ring is only in to the primary stage.In addition, in engine, the cavity complex structure in cylinder body, is interconnected between each cavity, and the impulsive force of medium also affects the sealing property of rubber ring, and existing leak detection apparatus cannot cylinder body environment that is virtually reality like reality, thereby causes test result unreliable.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of seal with elastometic washer performance testing device, this device can the suffered extruding force of testing rubber circle and the impact of pressure medium on sealing property, and whole apparatus structure is simple, easy to operate, media environment that can simulated engine cylinder body, test result accurately and reliably.
For solving the problems of the technologies described above, seal with elastometic washer performance testing device of the present utility model comprises that the cylinder body of cavity is offered in inside and for holding the water tank of cylinder body, its design feature is in described cylinder body, to offer be a plurality ofly communicated with cavity and extend upward and the test channel of pass-out cylinder body top end face, on the top end opening of each test channel, be all arranged with and need the rubber ring of test and the bottom of rubber ring to be lined with pressure-sensitive paper, on pressure-sensitive paper, offer the paper hole corresponding with the position of each test channel top end opening; The top of cylinder body is provided with cover plate and rubber ring and pressure-sensitive paper all between cover plate and cylinder body by bolt; Described cavity by medium pipeline, be communicated with a medium tank and medium pipeline on pressure medium control gear is installed.
Described pressure medium control gear comprises automatically controlled flow valve and pressure transducer.
Described pressure medium control gear comprises hand valve and tensimeter.
On described cylinder body, offer the medium inlet being communicated with cavity, Quick-insertion type pipe joint is installed on medium inlet, medium pipeline is inserted on pipe adapter.Adopt Quick-insertion type pipe joint, plug-in mounting is convenient, is convenient to improve testing efficiency.
On described water tank, be connected with tap water pipe line.
Described water tank is communicated with a rust preventive tank.In water tank, inject rust preventive simultaneously, avoid device corrosion, improve serviceable life.
On the bottom face of described cover plate, offer the annular groove that the shape with rubber ring adapts.In the top embedded rings connected in star 17 of rubber ring 5, avoided sideslip.
The beneficial effects of the utility model are: in cylinder body, process a plurality of test channel, passage interconnects, channel outlet seal with elastometic washer.With pressure-sensitive paper, measure the extruding force that rubber ring is subject to, tight a bolt, after 5min, take out pressure-sensitive paper, then according to identical assembly technology refitting, in water tank, fill with water, whether the whole submerged of cylinder body that installs cover plate carries out impermeability is suppressed, and changes the pressure of medium, by observing, emit bubble can show that rubber ring can seal up the critical value of medium under this pressure.Then by adjusting bolt torque, realize the different pressures of rubber ring, repeat test above, by series of experiments, can draw a series of seal with elastometic washer critical values, by adjusting different medium pressure and different rubber ring pressure, can measure a series of critical values, critical value is linked up and is seal with elastometic washer limit curve, and this curve is rubber ring can seal the curve of this kind of medium different pressures under different pressures.By this curve, can provide important foundation for actual design, manufacture, assembling, check and fault analysis etc.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is structural representation of the present utility model.
Embodiment
With reference to accompanying drawing, seal with elastometic washer performance testing device of the present utility model comprises that the cylinder body 2 of cavity 1 is offered in inside and for holding the water tank 3 of cylinder body 2.Wherein, be connected with tap water pipe line 15 on water tank 3, water tank 3 is communicated with a rust preventive tank 16.Water tank 3 is interior need to inject tap water, for fear of device corrosion, adds rust preventive.
With reference to accompanying drawing, in cylinder body 2, offer and be a plurality ofly communicated with cavity 1 and extend upward and the test channel 4 of pass-out cylinder body 2 top end faces, on the top end opening of each test channel 4, be all arranged with and need the rubber ring 5 of test and the bottom of rubber ring 5 to be lined with pressure-sensitive paper 6, on pressure-sensitive paper 6, offer the paper hole 60 corresponding with the position of each test channel 4 top end openings.The top of cylinder body 2 is provided with cover plate 8 and rubber ring 5 and pressure-sensitive paper 6 all between cover plate 8 and cylinder body 2 by bolt 7.Cavity 1 by medium pipeline 9, be communicated with a medium tank 10 and medium pipeline 9 on pressure medium control gear is installed.Wherein, the medium in the utility model is preferably nitrogen.Pressure medium control gear can be automatically controlled flow valve 11 and pressure transducer 12, also can adopt hand valve and manometric structure.During adopts pressure sensor, need real-time detected pressures, by automatically controlled flow valve being carried out to automatically control the control that realizes pressure medium.When adopting hand valve, by observing manometric force value, carry out manual adjustments.
In said structure, a plurality of test channel 4 of the interior processing of cylinder body 2, passage is interconnected, and has simulated one of them housing structure of engine.With pressure-sensitive paper 6, measure the extruding force that rubber ring 5 is subject to, tight a bolt 7, after 5min, take out pressure-sensitive paper, then according to identical assembly technology refitting, in water tank 3, fill with water, whether the whole submerged of cylinder body 2 that installs cover plate 8 carries out impermeability is suppressed, and changes the pressure of medium, by observing, emit bubble can show that rubber ring 5 can seal up the critical value of medium under this pressure.Then change the value of the suffered extruding force of rubber ring 5, repeat test above, by series of experiments, can draw slat gum circle 5 sealing critical value curves, this curve is rubber ring 5 can seal this kind of pressure that medium is different under different pressures.Wherein, changing the suffered extruding force of rubber ring 5 is to realize by the tightness of adjusting bolt 7, adopts digital display axle torque wrench to carry out fastening bolt 7 during concrete operations, can quantitatively tighten adjusting to bolt 7.
For pressure-sensitive paper 6, by after the pressure-sensitive paper cutting of required range ability, be placed between tested surface of contact, assemble as requested measured piece, after standing 5min, obtain the pressure-sensitive paper of variable color, scanning obtains contact distribution situation and force value, with this, can judge whether tested surface of contact seal contact pressure reaches seal request.
With reference to accompanying drawing, on cylinder body 2, offer the medium inlet 13 being communicated with cavity 1, Quick-insertion type pipe joint 14 is installed on medium inlet 13, medium pipeline 9 is inserted on pipe adapter 14.Adopt Quick-insertion type pipe joint 14, can peg graft fast.
With reference to accompanying drawing, on the bottom face of cover plate 8, offer the annular groove 17 that the shape with rubber ring 5 adapts.In rubber ring 5 top embedded rings connected in stars 17, avoid breakking away.
In sum, the utility model is not limited to above-mentioned embodiment.Those skilled in the art, not departing under the prerequisite of spirit and scope of the present utility model, can do some changes and modification.Protection domain of the present utility model should be as the criterion with claim of the present utility model.
Claims (7)
1. a seal with elastometic washer performance testing device, comprise that the cylinder body of cavity (1) (2) is offered in inside and for holding the water tank (3) of cylinder body (2), it is characterized in that offering in described cylinder body (2) and be a plurality ofly communicated with cavity (1) and extend upward and the test channel (4) of pass-out cylinder body (2) top end face, on the top end opening of each test channel (4), be all arranged with and need the rubber ring (5) of test and the bottom of rubber ring (5) to be lined with pressure-sensitive paper (6), on pressure-sensitive paper (6), offer the paper hole (60) corresponding with the position of each test channel (4) top end opening, the top of cylinder body (2) is provided with cover plate (8) and rubber ring (5) and pressure-sensitive paper (6) by bolt (7) and is all positioned between cover plate (8) and cylinder body (2), described cavity (1) by medium pipeline (9), be communicated with a medium tank (10) and medium pipeline (9) on pressure medium control gear is installed.
2. seal with elastometic washer performance testing device as claimed in claim 1, is characterized in that described pressure medium control gear comprises automatically controlled flow valve (11) and pressure transducer (12).
3. seal with elastometic washer performance testing device as claimed in claim 1, is characterized in that described pressure medium control gear comprises hand valve and tensimeter.
4. seal with elastometic washer performance testing device as claimed in claim 1, it is characterized in that offering on described cylinder body (2) medium inlet (13) being communicated with cavity (1), Quick-insertion type pipe joint (14) is installed on medium inlet (13), and medium pipeline (9) is inserted on pipe adapter (14).
5. seal with elastometic washer performance testing device as claimed in claim 1, is characterized in that being connected with on described water tank (3) tap water pipe line (15).
6. seal with elastometic washer performance testing device as claimed in claim 1, is characterized in that described water tank (3) is communicated with a rust preventive tank (16).
7. the seal with elastometic washer performance testing device as described in any one in claim 1-6, is characterized in that offering on the bottom face of described cover plate (8) annular groove (17) that the shape with rubber ring (5) adapts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420050942.6U CN203745150U (en) | 2014-01-24 | 2014-01-24 | Sealing performance tester for rubber rings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420050942.6U CN203745150U (en) | 2014-01-24 | 2014-01-24 | Sealing performance tester for rubber rings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203745150U true CN203745150U (en) | 2014-07-30 |
Family
ID=51344936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420050942.6U Expired - Fee Related CN203745150U (en) | 2014-01-24 | 2014-01-24 | Sealing performance tester for rubber rings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203745150U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973709A (en) * | 2016-07-11 | 2016-09-28 | 苏州宝骅机械技术有限公司 | Device for detecting lateral pressure coefficients of sealing packing |
| CN106198220A (en) * | 2016-07-11 | 2016-12-07 | 苏州宝骅机械技术有限公司 | Airtight and watertight padding coefficient of horizontal pressure detection method |
| CN106404307A (en) * | 2016-10-19 | 2017-02-15 | 中航飞机股份有限公司西安飞机分公司 | Test method and test apparatus for sealing performance of rubber gasket |
| CN106979844A (en) * | 2017-05-27 | 2017-07-25 | 中国电力科学研究院 | A kind of performance detector of sealing element and test method |
| CN108562400A (en) * | 2018-02-10 | 2018-09-21 | 安徽摩格恩轴承有限公司 | Bearing seal detection device |
| CN110702288A (en) * | 2019-10-17 | 2020-01-17 | 天津大学 | Packing sealing contact pressure measuring device and method |
| CN111189588A (en) * | 2019-12-31 | 2020-05-22 | 无为县金顺机动车检测有限公司 | Sealing detection equipment for automobile oil tank sealing ring |
-
2014
- 2014-01-24 CN CN201420050942.6U patent/CN203745150U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973709A (en) * | 2016-07-11 | 2016-09-28 | 苏州宝骅机械技术有限公司 | Device for detecting lateral pressure coefficients of sealing packing |
| CN106198220A (en) * | 2016-07-11 | 2016-12-07 | 苏州宝骅机械技术有限公司 | Airtight and watertight padding coefficient of horizontal pressure detection method |
| CN106198220B (en) * | 2016-07-11 | 2020-04-03 | 苏州宝骅密封科技股份有限公司 | Method for detecting side pressure coefficient of sealing filler |
| CN106404307A (en) * | 2016-10-19 | 2017-02-15 | 中航飞机股份有限公司西安飞机分公司 | Test method and test apparatus for sealing performance of rubber gasket |
| CN106979844A (en) * | 2017-05-27 | 2017-07-25 | 中国电力科学研究院 | A kind of performance detector of sealing element and test method |
| CN108562400A (en) * | 2018-02-10 | 2018-09-21 | 安徽摩格恩轴承有限公司 | Bearing seal detection device |
| CN110702288A (en) * | 2019-10-17 | 2020-01-17 | 天津大学 | Packing sealing contact pressure measuring device and method |
| CN110702288B (en) * | 2019-10-17 | 2021-08-20 | 天津大学 | Packing sealing contact pressure measuring device and method |
| CN111189588A (en) * | 2019-12-31 | 2020-05-22 | 无为县金顺机动车检测有限公司 | Sealing detection equipment for automobile oil tank sealing ring |
| CN111189588B (en) * | 2019-12-31 | 2021-12-28 | 无为县金顺机动车检测有限公司 | Sealing detection equipment for automobile oil tank sealing ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20150124 |
|
| EXPY | Termination of patent right or utility model |