CN206540673U - Crankshaft rear oil seal detection means and detecting system - Google Patents
Crankshaft rear oil seal detection means and detecting system Download PDFInfo
- Publication number
- CN206540673U CN206540673U CN201720062541.6U CN201720062541U CN206540673U CN 206540673 U CN206540673 U CN 206540673U CN 201720062541 U CN201720062541 U CN 201720062541U CN 206540673 U CN206540673 U CN 206540673U
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- CN
- China
- Prior art keywords
- housing
- detection means
- oil seal
- rear oil
- face
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- 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.)
- Expired - Fee Related
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Abstract
The utility model is related to engine art, a kind of crankshaft rear oil seal detection means and detecting system are disclosed, the detection means includes being used for the closely housing (1) of covering crankshaft rear oil seal (14) and being used on the housing (1) is passed through the pneumatic fitting (2) of compressed air and the pressure sensor (3) for measuring the internal pressure of the housing (1).The detection means provided using the application, the device that individually can be detected to crankshaft rear oil seal sealing effectiveness improves the recall rate revealed crankshaft rear oil seal, so as to reduce the fault rate of the crankshaft rear oil seal leakage of in the market.
Description
Technical field
The utility model is related to engine art, in particular it relates to a kind of crankshaft rear oil seal detection means and detection system
System.
Background technology
Oil leak at crankshaft oil seal, is common problem in engine system, especially crankshaft rear oil seal, once occur
Leakage more changes jobs cumbersome.It is existing that engine is generally to the detection that engine system is revealed in production assembling process
Cavity integral type leakage monitoring, not specifically designed for the detection of crankshaft rear oil seal sealing effectiveness.
Accordingly, it would be desirable to a kind of device that individually can be detected to crankshaft rear oil seal sealing effectiveness, after improving to bent axle
The recall rate of oil seal leak, so as to reduce the fault rate of the crankshaft rear oil seal leakage of in the market.
Utility model content
The purpose of this utility model is to provide a kind of detection means, and the detection means can be sealed individually to crankshaft rear oil seal
Effect is detected, so as to improve the recall rate revealed crankshaft rear oil seal.
To achieve these goals, the utility model provides a kind of crankshaft rear oil seal detection means, and the detection means includes
The air for being used to be passed through compressed air for closely covering the housing of crankshaft rear oil seal and installing on the housing connects
Head and for the pressure sensor for the pressure for measuring the enclosure interior.
Preferably, the housing is the cylinder of inner hollow and bottom-open, and the pneumatic fitting and pressure sensor are set
The hollow space for stretching into the housing is set to, the bottom end face of the side wall of the housing is used to be pressed on flying for the oil sealing periphery
Closely to cover the crankshaft rear oil seal on hub end face.
Preferably, the bottom end face of the side wall is provided with the first sealing ring.
Preferably, the pneumatic fitting and the pressure sensor are installed on the housing by tapered tread；Or
The pneumatic fitting and the pressure sensor are installed on the housing, and in the cylindrical thread and institute by cylindrical thread
State the joint sealant sealing of housing.
Preferably, it is provided with handle on the housing.
On the basis of more than, the utility model also provides a kind of crankshaft rear oil seal detecting system, the detecting system as above institute
The detection means stated, the compressed gas source being connected with the pneumatic fitting and be connected with the pressure sensor be used for read institute
State the computing device of the signal of pressure sensor.
Preferably, the housing is provided with the fastener for the housing to be installed to crankshaft end-face, the fastener
Top surface through the housing is set.
Preferably, the joint of the fastener and the crankshaft end-face is provided with the second sealing ring.
Preferably, the inside top of the housing set oriented enclosure interior protrusion with the crankshaft end-face
The projection that heart shrinkage pool is engaged.
By above-mentioned technical proposal, using the detection means of the application, the housing of detection means is covered in after bent axle oily
Seal up, a certain amount of compressed air be passed through to enclosure interior by pneumatic fitting, and pressure sensor is connected to computing device,
Wait after stable gas pressure, whether the air pressure in observation housing occurs significant reduction, so as to judge whether the crankshaft rear oil seal is let out
Leakage.
Other features and advantages of the utility model will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is to be further understood for providing to of the present utility model, and constitutes a part for specification, and following
Embodiment be used to explain the utility model together, but do not constitute to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is the schematic diagram of the detection means according to the utility model preferred embodiment；
Fig. 2 is the schematic diagram for the detection means that Fig. 1 is shown from other side；
Fig. 3 is the exploded view of Fig. 1 detection means；
Fig. 4 is the front view that Fig. 1 detection means is arranged on to bell housing end face；
Fig. 5 is the sectional view intercepted along Fig. 4 section lines；
Fig. 6 is the schematic diagram that Fig. 1 detection means is arranged on to bell housing end face.
Description of reference numerals
The pneumatic fitting of 1 housing 2
The fastener of 3 pressure sensor 4
5 raised 6 handles
The bell housing end face of 11 crankshaft end-face 12
The crankshaft rear oil seal of 13 central pit hole 14
The sealing ring of 21 first sealing ring 22 second
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
In the utility model, in the case where not making opposite explanation, the noun of locality used such as " upper and lower " refers to Fig. 5
Shown page, " inside and outside " refers to the inside and outside of the housing 1 of the detection means.
The utility model provides a kind of crankshaft rear oil seal detection means, and the detection means includes being used to closely cover bent axle
The housing 1 of Rear oil seal 14 and being used on the housing 1 are passed through the pneumatic fitting 2 of compressed air and for measuring
State the pressure sensor 3 of the pressure inside housing 1.Because the detection means closely covers crankshaft rear oil seal 14, sky is being utilized
Gas joint 2 is passed through after compressed air, and significant reduction will not occur for the air pressure in normal condition lower house 1, if pressure sensing
The air pressure that the data display that device 3 is measured goes out inside housing 1 there occurs significant reduction, then it may be concluded that crankshaft rear oil seal
14 seals are bad.
It should be noted that the air in housing 1 can also outwardly be extracted by pneumatic fitting 2, cause inside housing 1
The state of near vacuum, then detect whether the air pressure inside housing 1 occurs significant increase with pressure sensor 3, if air pressure
Significant increase is there occurs, then can be concluded that the seal of crankshaft rear oil seal 14 is bad, so as to detect to be likely to occur leakage
Crankshaft rear oil seal.
The housing 1 of the detection means of the application can use appropriate form to realize closely covering to crankshaft rear oil seal
Lid, it is preferable that as shown in figure 4, the housing 1 is the cylinder of inner hollow and bottom-open, the pneumatic fitting 2 and pressure are passed
Sensor 3 is set to stretch into the hollow space of the housing 1, and the bottom end face of the side wall of the housing 1 is used to be pressed on the song
Closely to cover the crankshaft rear oil seal 14 on the bell housing end face 12 of the periphery of axle Rear oil seal 14.Housing 1 can select cylinder
Body, the internal diameter of the cylinder of the inner hollow should be more than the diameter of crankshaft rear oil seal 14, and the bottom end face of housing 1 is pressed on
To realize that crankshaft rear oil seal 14 is completely enclosed within the inside of housing 1 by housing 1 on the bell housing end face of the periphery of crankshaft rear oil seal 14.
Wherein, the material of housing 1 can be from metal, such as almag, and the crushing resistance of almag is good and density is low, may be selected
Ground, the material of housing 1 can also select plastics.
In order to ensure the seal of of housing 1 itself, it is preferable that the bottom end face of the side wall is provided with the first sealing ring
21.The shape of first sealing ring 21 should be identical with the shape of the bottom end face of side wall, has realized the bottom end face and flywheel of side wall
Complete sealing between shell end face.The material of first sealing ring 21 can use rubber.
As shown in figure 3, pneumatic fitting 2 and pressure sensor 3 are arranged on housing 1 by the through hole on housing 1, in order to protect
Demonstrate,prove the good air-tightness between pneumatic fitting 2 and pressure sensor 3 and housing 1, it is preferable that the pneumatic fitting 2 and described
Pressure sensor 3 is arranged on the housing 1 by tapered tread；Or the pneumatic fitting 2 and the pressure sensor 3 lead to
Cylindrical thread is crossed to be arranged on the housing 1, and in the cylindrical thread and the joint sealant sealing of the housing.Circle
Taper thread has good sealing, and in the case where not needing filler, screw thread, which is screwed, can just realize the He of pneumatic fitting 2
Sealing between the joint of pressure sensor 3 and housing 1, while tapered tread also has good resistance to pressure, compares and is suitable to
Sealing gas.Because the tooth form of tapered tread is more special, pneumatic fitting 2 and pressure sensor 3 can be connected using cylindrical thread
It is connected on housing 1, while smearing fluid sealant to ensure sealing effectiveness in the joint of cylindrical thread and housing 1.In addition, in order to just
In the gripping to the detection means, it is preferable that be provided with handle 6 on the housing 1.As shown in figure 1, handle 6 can be arranged on
The side wall of housing 1.
In addition, according to other side of the present utility model, the utility model also provides a kind of crankshaft rear oil seal detection system
System, the detecting system include detection means as described above, the compressed gas source that is connected with the pneumatic fitting 2 and with the pressure
The computing device for the signal for reading the pressure sensor 3 that force snesor 3 is connected.Compressed gas source passes through pneumatic fitting 2
Compressed gas is passed through inside to housing 1, compressed gas source can be compressed gas source conventional in compressed air cylinder or industrial production,
And set control valve to realize the compressed air by specified quantitative is passed through in housing 1.Computing device, which can select, reads pressure sensor 3
Signal computer.After the compressed air of specified quantitative is passed through, the signal of pressure sensor 3 is read using computer, is judged
Whether the pressure inside the housing 1 of detection means is constant, and then judges the air-tightness of crankshaft rear oil seal 14.
The detection means of the detecting system of the application can be fixed by the way of appropriate, it is preferable that such as Fig. 6 institutes
Show, the housing 1 is provided with the fastener 4 for the housing 1 to be installed to crankshaft end-face 11, the fastener 4 runs through institute
The top surface for stating housing 1 is set.Wherein it is possible to which the position of the screwed hole on the surface correspondence crankshaft end-face 11 of housing 1 sets logical
Hole, the screwed hole that fastener 4 can be connected by screw bolts in the screwed hole on crankshaft end-face 11, and on crankshaft end-face 11 is not
Through hole, does not result in the leakage of gas.Due to the depth limit of the screwed hole on crankshaft end-face 11, if the size of fastener 4
It is long to be likely to result in connection built on the sand, the inner-concave of oriented housing 1 can be set as depicted in figs. 1 and 2, on the top surface of housing 1
Screwed hole on sunken fin and fin alignment crankshaft end-face 11, fastener 4 can be set by the through hole opened up on the fin
The screwed hole on crankshaft end-face 11 is put, the length of fastener 4 can be so controlled, so that housing 1 is securely fixed in into song
In axial end 11.
Because fastener 4 needs to be arranged on crankshaft end-face 11 through housing 1, in order to keep fastener 4 and crankshaft end-face
Air-tightness between 11, it is preferable that the joint of the fastener 4 and the crankshaft end-face 11 is provided with the second sealing ring 22.
Second sealing ring 22 can prevent the sealed environment that gas is destroyed needed for test by fastener 4 through the through hole of housing 1,
The material of second sealing ring 22 can use rubber.
Preferably, the inside top of the housing 1 set the oriented inside of the housing 1 protrusion with the crankshaft end-face 11
The projection 5 that is engaged of central pit hole 13.The projection 5 can play a part of positioning, and detection means is being covered on into bell housing end
When on face 12, projection 5 is directed at the central pit hole 13 on crankshaft end-face 11, you can it is fast and accurately fixed to detection means to realize
Position.Wherein, as shown in figure 5, projection 5 can also be arranged at above-mentioned fin to reduce the axial dimension of projection 5.
Preferred embodiment of the present utility model is described in detail above in association with accompanying drawing, still, the utility model is not limited
Detail in above-mentioned embodiment, can be to skill of the present utility model in range of the technology design of the present utility model
Art scheme carries out a variety of simple variants, and these simple variants belong to protection domain of the present utility model.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the utility model is to each
Possible combination is planted no longer separately to illustrate.
In addition, can also be combined between a variety of embodiments of the present utility model, as long as it is not disobeyed
Thought of the present utility model is carried on the back, it should equally be considered as content disclosed in the utility model.
Claims (8)
1. a kind of crankshaft rear oil seal detection means, it is characterised in that the detection means includes being used for oil after closely covering bent axle
Seal the housing (1) of (14) and being used on the housing (1) is passed through the pneumatic fitting (2) of compressed air and for surveying
Measure and be provided with handle (6) on the pressure sensor (3) of the internal pressure of the housing (1), the housing (1).
2. detection means according to claim 1, it is characterised in that the housing (1) is inner hollow and bottom-open
Cylinder, the pneumatic fitting (2) and pressure sensor (3) are set to stretch into the hollow space of the housing (1), the housing
(1) bottom end face of side wall is used to be pressed on the bell housing end face (12) of the crankshaft rear oil seal (14) periphery with closely
Cover the crankshaft rear oil seal (14).
3. detection means according to claim 2, it is characterised in that the bottom end face of the side wall is provided with the first sealing
Enclose (21).
4. detection means according to claim 1, it is characterised in that the pneumatic fitting (2) and the pressure sensor
(3) it is arranged on by tapered tread on the housing (1)；Or the pneumatic fitting (2) and the pressure sensor (3) pass through
Cylindrical thread is arranged on the housing (1), and close with fluid sealant in the joint of the cylindrical thread and the housing (1)
Envelope.
5. a kind of crankshaft rear oil seal detecting system, it is characterised in that the detecting system includes any one institute in claim 1-4
The detection means stated, the compressed gas source being connected with the pneumatic fitting (2) and with being used for that the pressure sensor (3) is connected
Read the computing device of the signal of the pressure sensor (3).
6. detecting system according to claim 5, it is characterised in that the housing (1), which is provided with, to be used for the housing
(1) fastener (4) of crankshaft end-face (11) is installed to, the fastener (4) is set through the top surface of the housing (1).
7. detecting system according to claim 6, it is characterised in that the fastener (4) and the crankshaft end-face (11)
Joint be provided with the second sealing ring (22).
8. detecting system according to claim 6, it is characterised in that the inside top of the housing (1) sets oriented institute
State the projection (5) that protrusion is engaged with the central pit hole (13) with the crankshaft end-face (11) inside housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720062541.6U CN206540673U (en) | 2017-01-18 | 2017-01-18 | Crankshaft rear oil seal detection means and detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720062541.6U CN206540673U (en) | 2017-01-18 | 2017-01-18 | Crankshaft rear oil seal detection means and detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206540673U true CN206540673U (en) | 2017-10-03 |
Family
ID=59940257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720062541.6U Expired - Fee Related CN206540673U (en) | 2017-01-18 | 2017-01-18 | Crankshaft rear oil seal detection means and detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206540673U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822327A (en) * | 2019-03-27 | 2019-05-31 | 烟台润蚨祥油封有限公司 | A kind of press mounting for crankshaft oil seal detection device |
| CN111157188A (en) * | 2020-01-10 | 2020-05-15 | 中国航发长江动力有限公司 | Floating ring seal universal tester and detection system |
-
2017
- 2017-01-18 CN CN201720062541.6U patent/CN206540673U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822327A (en) * | 2019-03-27 | 2019-05-31 | 烟台润蚨祥油封有限公司 | A kind of press mounting for crankshaft oil seal detection device |
| CN109822327B (en) * | 2019-03-27 | 2024-04-09 | 烟台润蚨祥油封有限公司 | Crankshaft oil seal press-fitting detection equipment |
| CN111157188A (en) * | 2020-01-10 | 2020-05-15 | 中国航发长江动力有限公司 | Floating ring seal universal tester and detection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171003 Termination date: 20220118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |