CN206161289U - Oil tank pressure reversal testing machine - Google Patents
Oil tank pressure reversal testing machine Download PDFInfo
- Publication number
- CN206161289U CN206161289U CN201621027726.5U CN201621027726U CN206161289U CN 206161289 U CN206161289 U CN 206161289U CN 201621027726 U CN201621027726 U CN 201621027726U CN 206161289 U CN206161289 U CN 206161289U
- Authority
- CN
- China
- Prior art keywords
- pressure
- negative
- tank
- fuel tank
- air pump
- Prior art date
- 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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- Testing Of Engines (AREA)
Abstract
The utility model discloses an oil tank pressure reversal testing machine, including the air pump, still include experimental box, displacement sensor, negative pressure jar and malleation jar and be used for the oil tank connecting pipe continuous with test oil tank, negative pressure jar and malleation jar all link to each other with the air pump, negative pressure jar and malleation jar link to each other with oil tank connecting pipe through bye -pass and breather valve respectively, displacement sensor's contact and test oil tank contact, it is internal that negative pressure jar and malleation jar all lie in the proof box, and the bottom of experimental box is equipped with the gyro wheel. Structural design is reasonable for this testing machine, can make the plastic fuel tank internal pressure change according to test requirement, and oil tank pressure deformation test operation is simple and convenient, and test efficiency is high, and testing machine simple structure, the preparation of being convenient for, it is with low costs.
Description
Technical field
The utility model is related to automotive oil tank technical field, more particularly, to a kind of tank pressure Alternating Test machine.
Background technology
With the change of use environment, pressure also constantly changes automobile plastic fuel tank in fuel tank, fuel tank body
Can there is certain deformation quantity, some fuel tank deflections are larger, it is impossible to meet and require.There is presently no dedicated for fuel tank pressure
The experimental rig of force deformation, therefore tank pressure tests are cumbersome, test accuracy is poor.
Utility model content
Not enough for prior art, technical problem to be solved in the utility model is to provide a kind of tank pressure alternation examination
Machine is tested, the purpose easy to reach test operation.
In order to solve above-mentioned technical problem, the technical scheme that the utility model is adopted for：
The tank pressure Alternating Test machine, including air pump, also including test casing, displacement transducer, negative-pressure cup and just
Pressure tank and the fuel tank for being connected with test fuel tank are connected tracheae, and the negative-pressure cup and positive pressure can are connected with air pump, institute
State negative-pressure cup and positive pressure can is connected tracheae with fuel tank and is connected by bye-pass and breather valve respectively, contact and the examination of displacement transducer
Test fuel tank contact；The negative-pressure cup and positive pressure can are respectively positioned in chamber body, and the bottom for testing casing is provided with roller.
Also include fuel tank locating rack, institute's displacement sensors are located at the bottom of fuel tank locating rack.
Also include air purifier, the air purifier is connected with intermediate duct, and negative-pressure cup and positive pressure can are respectively by propping up
Pipeline and breather valve are connected with intermediate duct, and fuel tank connection tracheae the inner is connected with air purifier, fuel tank connection tracheae outer end
It is provided with the fuel tank connector for being connected with tank filler.
The air pump is connected with air pump connection tracheae, and air pump connection tracheae is connected by negative-pressure cup connecting tube with negative-pressure cup,
Air pump connection tracheae is connected by positive pressure can connecting tube with positive pressure can, is all provided with the negative-pressure cup connecting tube and positive pressure can connecting tube
There is communicating valve.
Pressure gauge is equipped with the negative-pressure cup and positive pressure can.
The breather valve is magnetic valve.
The intermediate duct is provided with air bleeding valve.
The utility model compared with prior art, with advantages below：The testing machine structure is reasonable in design, fires can plastics
Tank pressure is changed by test requirements document, and tank pressure tests are easy to operate, and test efficiency is high；And testing machine structure letter
It is single, it is easy to make, low cost.
Description of the drawings
The content and the mark in figure expressed by each width accompanying drawing of this specification is briefly described below：
Fig. 1 is the utility model testing machine structure schematic diagram.
In figure：
1. casing, 2. negative-pressure cup, 3. positive pressure can, 4. air purifier, 5. air pump connection tracheae, 6. air pump connection are tested
Head, 7. communicating valve I, 8. communicating valve II, 9. air bleeding valve I, 10. air bleeding valve II, 11. negative pressure ventilation valves I, 12. positive airway pressure valves II,
13. fuel tanks connection tracheae, 14. fuel tank connectors.
Specific embodiment
Below against accompanying drawing, by the description to embodiment, specific embodiment of the present utility model is made further in detail
Thin explanation.
As shown in figure 1, the tank pressure Alternating Test machine, including test casing 1, fuel tank locating rack, air pump, air are net
Change device 4, displacement transducer, negative-pressure cup 2 and positive pressure can 3 and be connected tracheae 13 for the fuel tank connected with test fuel tank, wherein,
Negative-pressure cup 2 and positive pressure can 3 and air purifier 4 are arranged at testing in casing 1, and are provided with rolling in the bottom of test casing 1
Wheel, roller is provided with locking structure, is easy to movement.
Negative-pressure cup 2 and positive pressure can 3 are arranged side by side, and air purifier 4 is arranged on the centre of negative-pressure cup and positive pressure can, and structure is tight
Gather, take up room little.
Air pump and fuel tank locating rack are arranged on the outside of test casing, and air pump connects tracheae 5 and negative pressure by air pump
Tank and positive pressure can are connected.Specifically, the outer end of air pump connection tracheae 5 is provided with the air pump connector 6 being connected for air pump, air pump
The inner of connection tracheae 5 is connected by negative-pressure cup connecting tube with negative-pressure cup, and the inner of air pump connection tracheae is connected by positive pressure can
Pipe is connected with positive pressure can, and valve I 7 is communicated with negative-pressure cup connecting tube, and valve II 8 is communicated with positive pressure can connecting tube.
Negative-pressure cup 2 and positive pressure can 3 are connected tracheae with fuel tank and are connected by bye-pass and breather valve respectively, displacement transducer
Contact is contacted with test fuel tank.
Preferably, displacement transducer is fixed on the bottom of fuel tank locating rack, and the contact of displacement transducer is arranged straight up.
Test fuel tank is fixed on fuel tank locating rack.
The top of air purifier 4 is provided with vertical intermediate duct, and intermediate duct is connected by side branch road with negative-pressure cup,
Side branch road is provided with negative pressure ventilation valve I 11, and intermediate duct is connected with positive pressure can by opposite side branch road, is set on opposite side branch road
There is positive airway pressure valve II 12.
The top side of intermediate duct is provided with air bleeding valve I 9, and top opposite side is provided with air bleeding valve II 10；The bottom of air purifier 4
Portion is connected the inner of tracheae 13 with fuel tank and is connected, and the fuel tank that fuel tank connection tracheae 13 outer end is provided with for being connected with tank filler connects
Joint 14.
Pressure gauge is equipped with negative-pressure cup 2 and positive pressure can 3.Communicating valve I 7, communicating valve II 8, air bleeding valve I 9, air bleeding valve II
10th, negative pressure ventilation valve I 11 and positive airway pressure valve II 12 are magnetic valve, by control unit automatic control of opening/closing.
In process of the test, first give test fuel tank logical malleation, pressure gradually increases, and reaches setting maximum, then is gradually reduced；
Give test fuel tank logical negative pressure again afterwards, negative pressure gradually increases, and reaches setting maximum, then is gradually reduced.Repeat 10,000 times or ten
Ten thousand times, the deflection of test fuel tank is recorded by displacement transducer, test operation is easy, and result of the test is accurate.
The utility model is exemplarily described above in conjunction with accompanying drawing, it is clear that the utility model is implemented not to be received
The restriction of aforesaid way, as long as employing the improvement of the various unsubstantialities that design of the present utility model and technical scheme are carried out,
Or it is not improved by it is of the present utility model design and technical scheme directly apply to other occasions, in guarantor of the present utility model
Within the scope of shield.
Claims (7)
1. a kind of tank pressure Alternating Test machine, including air pump, it is characterised in that：Also include test casing, displacement transducer,
Negative-pressure cup and positive pressure can and it is connected tracheae for the fuel tank connected with test fuel tank, the negative-pressure cup and positive pressure can are and air
Pump is connected, and the negative-pressure cup and positive pressure can are connected tracheae with fuel tank and are connected by bye-pass and breather valve respectively, displacement transducer
Contact with test fuel tank contact；The negative-pressure cup and positive pressure can are respectively positioned in chamber body, and the bottom for testing casing is provided with rolling
Wheel.
2. tank pressure Alternating Test machine as claimed in claim 1, it is characterised in that：Also include fuel tank locating rack, the displacement
Sensor is located at the bottom of fuel tank locating rack.
3. tank pressure Alternating Test machine as claimed in claim 1, it is characterised in that：Also include air purifier, the air
Clarifier is connected with intermediate duct, and negative-pressure cup and positive pressure can are connected respectively by bye-pass and breather valve with intermediate duct, and fuel tank connects
Trachea the inner is connected with air purifier, and the fuel tank that fuel tank connection tracheae outer end is provided with for being connected with tank filler is connected
Head.
4. tank pressure Alternating Test machine as claimed in claim 1, it is characterised in that：The air pump is connected with air pump connection gas
Pipe, air pump connection tracheae be connected with negative-pressure cup by negative-pressure cup connecting tube, air pump connect tracheae pass through positive pressure can connecting tube with just
Pressure tank is connected, and in the negative-pressure cup connecting tube and positive pressure can connecting tube communicating valve is equipped with.
5. tank pressure Alternating Test machine as claimed in claim 1, it is characterised in that：It is equipped with the negative-pressure cup and positive pressure can
Pressure gauge.
6. tank pressure Alternating Test machine as claimed in claim 1, it is characterised in that：The breather valve is magnetic valve.
7. tank pressure Alternating Test machine as claimed in claim 3, it is characterised in that：The intermediate duct is provided with air bleeding valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621027726.5U CN206161289U (en) | 2016-08-31 | 2016-08-31 | Oil tank pressure reversal testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621027726.5U CN206161289U (en) | 2016-08-31 | 2016-08-31 | Oil tank pressure reversal testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206161289U true CN206161289U (en) | 2017-05-10 |
Family
ID=58650936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621027726.5U Expired - Fee Related CN206161289U (en) | 2016-08-31 | 2016-08-31 | Oil tank pressure reversal testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206161289U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449657A (en) * | 2017-09-01 | 2017-12-08 | 贵州永红航空机械有限责任公司 | A kind of negative pressure pressure alternation test method and apparatus |
| CN108760464A (en) * | 2018-04-16 | 2018-11-06 | 武汉信测标准技术服务有限公司 | A kind of method and device for realizing the control of fuel tank positive/negative pressure alternation |
-
2016
- 2016-08-31 CN CN201621027726.5U patent/CN206161289U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449657A (en) * | 2017-09-01 | 2017-12-08 | 贵州永红航空机械有限责任公司 | A kind of negative pressure pressure alternation test method and apparatus |
| CN108760464A (en) * | 2018-04-16 | 2018-11-06 | 武汉信测标准技术服务有限公司 | A kind of method and device for realizing the control of fuel tank positive/negative pressure alternation |
| CN108760464B (en) * | 2018-04-16 | 2021-05-07 | 武汉信测标准技术服务有限公司 | Method and device for realizing positive and negative pressure alternating control of fuel tank |
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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: 20170510 Termination date: 20200831 |