CN209372339U - A kind of comprehensive leakage testing device of automotive check - Google Patents
A kind of comprehensive leakage testing device of automotive check Download PDFInfo
- Publication number
- CN209372339U CN209372339U CN201920084163.0U CN201920084163U CN209372339U CN 209372339 U CN209372339 U CN 209372339U CN 201920084163 U CN201920084163 U CN 201920084163U CN 209372339 U CN209372339 U CN 209372339U
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- Prior art keywords
- valve
- shut
- cylinder body
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- detection
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- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model belongs to detection device technical field, more particularly, to a kind of comprehensive leakage testing device of automotive check.Vertical columns are fixed among the upper end of the support base, the two sides of the bottom of vertical columns are connected with detection platform, and right side detection platform upper end is fixed with standard seal cylinder body, and the side of standard seal cylinder body is connected with pressure gauge one；The vertical columns top is fixed with air pressure pump by support platform, and the gas outlet of air pressure pump is connect with three-way flow divider valve, and three-way flow divider valve is connect with shut-off valve one, shut-off valve two respectively, and shut-off valve one is connected to standard seal cylinder body upper end；Shut-off valve two is connected to leak test gas transmission interface after connecting with pressure gauge two.It carries out pressurization detection to motor cylinder block using pressure differential method detection method, and guarantee the accuracy of detection under the comparison of standard cylinder body effect, in addition it is possible to simulate hot environment, front and back comparison is carried out by way of being cooled to room temperature after heat temperature raising, the detection to motor cylinder block air-tightness.
Description
Technical field
The utility model belongs to detection device technical field, more particularly, to a kind of comprehensive leakage testing device of automotive check.
Background technique
In order to improve the quality of automobile engine, an engine automatic assembly line has been built in the investment of certain general internal combustion plant,
The automatic quick detection of oil duct, water channel leakage, but the list that traditional leak test detection means compares are carried out after cylinder body roughing dress blanking cover
One, the detection under extreme condition can not be carried out.
Utility model content
The purpose of this utility model is that in view of the drawbacks of the prior art and insufficient, provide that a kind of structure is simple, and design is closed
Reason, the comprehensive leakage testing device of automotive check easy to use, it carries out pressurization inspection to motor cylinder block using pressure differential method detection method
It surveys, and guarantees that the accuracy of detection passes through heating in addition it is possible to simulate hot environment under the comparison of standard cylinder body effect
The mode that room temperature is cooled to after heating carries out front and back comparison, the detection to motor cylinder block air-tightness.
In order to achieve the above purposes, the technical solution adopted by the utility model is:, and it includes support base, vertical columns, inspection
Survey platform, standard seal cylinder body, pressure gauge one, support platform, air pressure pump, three-way flow divider valve, shut-off valve one, shut-off valve
Two, pressure gauge two, leak test gas transmission interface；Vertical columns, the bottom of vertical columns are fixed among the upper end of the support base
Portion two sides are connected with detection platform, and right side detection platform upper end is fixed with standard seal cylinder body, and the side of standard seal cylinder body connects
It is connected to pressure gauge one；The vertical columns top is fixed with air pressure pump, the outlet of air pressure pump by support platform
Mouth is connect with three-way flow divider valve, and three-way flow divider valve is connect with shut-off valve one, shut-off valve two respectively, and it is close that shut-off valve one is connected to standard
Seal cylinder body upper end；The shut-off valve two is connected to leak test gas transmission interface after connecting with pressure gauge two.The suspention of leak test gas transmission interface
In left side detection platform.
It is covered preferably, the left-half platform upper end of the detection platform is connected with a pair of of arc by rotary shaft
Plate, and two arc covering plates can be fully wrapped around by left side detection platform.
Preferably, the inner wall of the arc covering plate is provided with S type heating component.
Preferably, both the shut-off valve one, shut-off valve two keep simultaneously operating.
After adopting the above structure, the utility model has the beneficial effect that a kind of automotive check described in the utility model with comprehensive
Leakage testing device is closed, it carries out pressurization detection to motor cylinder block using pressure differential method detection method, and acts in the comparison of standard cylinder body
The lower accuracy for guaranteeing detection, in addition it is possible to simulate hot environment, by way of being cooled to room temperature after heat temperature raising into
The comparison of row front and back, the detection to motor cylinder block air-tightness.The utility model has structure simple, and setting is reasonable, low manufacture cost
The advantages that.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the top view of the utility model.
Fig. 3 is 14 inner wall structure diagram of arc covering plate of the utility model.
Description of symbols:
Support base 1, vertical columns 2, detection platform 3, standard seal cylinder body 4, pressure gauge 1, support platform 6, air
Compression pump 7, three-way flow divider valve 8, shut-off valve 1, shut-off valve 2 10, pressure gauge 2 11, leak test gas transmission interface 12, rotary shaft 13,
Arc covering plate 14, S type heating component 15.
Specific embodiment
With reference to the accompanying drawing, the utility model is further described.
Referring to as shown in Figure 1-Figure 3, present embodiment adopt the following technical scheme that it include support base 1, it is fixed
Column 2, standard seal cylinder body 4, pressure gauge 1, support platform 6, air pressure pump 7, three-way flow divider valve 8, is cut at detection platform 3
Only valve 1, shut-off valve 2 10, pressure gauge 2 11, leak test gas transmission interface 12；It is fixed among the upper end of the support base 1
Vertical columns 2, the two sides of the bottom of vertical columns 2 are connected with detection platform 3, and detection platform 3 upper end in right side is fixed with standard seal
Cylinder body 4, the side of standard seal cylinder body 4 are connected with pressure gauge 1；2 top of vertical columns is fixed by support platform 6
Have air pressure pump 7, the gas outlet of air pressure pump 7 is connect with three-way flow divider valve 8, three-way flow divider valve 8 respectively with shut-off valve one
9, shut-off valve 2 10 connects, and shut-off valve 1 is connected to 4 upper end of standard seal cylinder body；The shut-off valve 2 10 and pressure gauge two
Leak test gas transmission interface 12 is connected to after 11 connections.Leak test gas transmission interface 12 is suspended in left side detection platform 3.
Wherein, the left-half platform upper end of the detection platform 3 is connected with a pair of of arc by rotary shaft 13 and covers
Plate 14, and two arc covering plates 14 can be fully wrapped around by left side detection platform；The inner wall of the arc covering plate 14 is arranged
There is S type heating component 15；Both the shut-off valve 1, shut-off valve 2 10 keep simultaneously operating.
The working principle of this specific embodiment:: made using forming softer, elastic wear-resistant material (polyurethane or nitrile rubber)
Closure is sealed to motor cylinder block for plug, only reserves an air inlet, it is then that air inlet and leak test gas transmission interface 12 is close
Envelope connection, and motor cylinder block is rested in detection platform 3, subsequently start air pressure pump 7 and in the work of three-way flow divider valve 8
Air inlet is synchronized to motor cylinder block and standard seal cylinder body 4 with lower, be pressurized to after certain pressure simultaneously close off shut-off valve 1,
Shut-off valve 2 10, reduced pressure table 1 and the numerical value of pressure gauge 2 11 compare after waiting 30-45 minutes, if pressure gauge two
11 numerical value are less than pressure gauge 1 and illustrate motor cylinder block blow-by；If pressure gauge 1 and 2 11 error of pressure gauge are smaller, by arc
Shape covering plate 14 is wrapped on the outside of motor cylinder block and carries out after being heated to assigned temperature, carries out naturally cooling to room temperature and see again
The reading for examining pressure gauge 1 Yu pressure gauge 2 11 judges whether the heated rear air-tightness of motor cylinder block is intact.
Present embodiment carries out pressurization detection to motor cylinder block using pressure differential method detection method, and in standard cylinder body
The lower accuracy for guaranteeing detection of comparison effect, in addition it is possible to hot environment be simulated, by being cooled to room temperature after heat temperature raising
Mode carry out front and back comparison, the detection to motor cylinder block air-tightness.
The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple
The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope should all cover in the scope of the claims of the utility model.
Claims (4)
1. a kind of comprehensive leakage testing device of automotive check, it is characterised in that: it includes support base (1), vertical columns (2), inspection
Survey platform (3), standard seal cylinder body (4), pressure gauge one (5), support platform (6), air pressure pump (7), three-way flow divider valve
(8), shut-off valve one (9), shut-off valve two (10), pressure gauge two (11), leak test gas transmission interface (12)；The support base (1)
Upper end among be fixed with vertical columns (2), the two sides of the bottom of vertical columns (2) are connected with detection platform (3), and right side detection is flat
Platform (3) upper end is fixed with standard seal cylinder body (4), and the side of standard seal cylinder body (4) is connected with pressure gauge one (5)；Described
Vertical columns (2) top is fixed with air pressure pump (7) by support platform (6), the gas outlet of air pressure pump (7) and threeway
Flow divider (8) connection, three-way flow divider valve (8) are connect with shut-off valve one (9), shut-off valve two (10) respectively, shut-off valve one (9) connection
To standard seal cylinder body (4) upper end；The shut-off valve two (10) is connected to leak test gas transmission after connecting with pressure gauge two (11) and connects
Mouth (12)；Leak test gas transmission interface (12) is suspended in left side detection platform (3).
2. a kind of comprehensive leakage testing device of automotive check according to claim 1, it is characterised in that: the detection platform
(3) left-half platform upper end is connected with a pair of of arc covering plate (14), and two arc covering plates by rotary shaft (13)
It (14) can be fully wrapped around by left side detection platform.
3. a kind of comprehensive leakage testing device of automotive check according to claim 2, it is characterised in that: the arc covers
The inner wall of plate (14) is provided with S type heating component (15).
4. a kind of comprehensive leakage testing device of automotive check according to claim 1, it is characterised in that: the shut-off valve one
(9), both shut-off valve two (10) keeps simultaneously operating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920084163.0U CN209372339U (en) | 2019-01-17 | 2019-01-17 | A kind of comprehensive leakage testing device of automotive check |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920084163.0U CN209372339U (en) | 2019-01-17 | 2019-01-17 | A kind of comprehensive leakage testing device of automotive check |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209372339U true CN209372339U (en) | 2019-09-10 |
Family
ID=67825729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920084163.0U Expired - Fee Related CN209372339U (en) | 2019-01-17 | 2019-01-17 | A kind of comprehensive leakage testing device of automotive check |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209372339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116519218A (en) * | 2023-05-31 | 2023-08-01 | 广西玉柴机器股份有限公司 | Air pressure control mechanism for leak test of cylinder body |
-
2019
- 2019-01-17 CN CN201920084163.0U patent/CN209372339U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116519218A (en) * | 2023-05-31 | 2023-08-01 | 广西玉柴机器股份有限公司 | Air pressure control mechanism for leak test of cylinder body |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 Termination date: 20220117 |