CN209623981U - A kind of automobile water tank lid detecting tool - Google Patents
A kind of automobile water tank lid detecting tool Download PDFInfo
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- CN209623981U CN209623981U CN201920147213.5U CN201920147213U CN209623981U CN 209623981 U CN209623981 U CN 209623981U CN 201920147213 U CN201920147213 U CN 201920147213U CN 209623981 U CN209623981 U CN 209623981U
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- tank lid
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Abstract
Automobile water tank lid detecting tool disclosed by the utility model, including support underframe and the product fixed cell being mounted on support underframe, positive/negative-pressure regulates and controls unit and gas leak detection unit, product fixed cell is for tank lid to be detected to be fixed in the detection cavity of a sealing, when detection, tank lid will test cavity and be divided into the first cavity and the second cavity, it includes negative pressure generator that positive/negative-pressure, which regulates and controls unit, positive/negative-pressure switching solenoid valve and positive/negative pressure regulating valve, positive/negative-pressure switching solenoid valve is connected with negative pressure generator, negative pressure generator is communicated through pipeline with the first cavity, positive/negative pressure regulating valve is electrically connected with negative pressure generator, Leakage inspection unit includes gas flow meter, gas flow meter is communicated through pipeline with the second cavity, gas flow meter is used to detect the air flow rate value by tank lid.The detecting tool meets the quality testing demand of different tank lid products, and detection is not necessarily to manpower intervention, is conducive to economize on resources, and improves detection efficiency and detection accuracy.
Description
Technical field
The utility model relates to a kind of tank lid quality testing tooling, specifically a kind of automobile water tank lid detecting tool.
Background technique
Radiator is the core component of automobile cooling system, and automobile water tank lid then plays the leakproofness of radiator
Vital effect.The working principle of automobile water tank lid is similar to Domestic pressure cooker, and tank lid is in radiator internal pressure
It is vented when excessive, air-breathing when radiator internal pressure is too small, to guarantee that radiator is indeformable.When automobilism, water
Coolant temperature increases in case, and pressure increase in water tank forms positive pressure, the pressure when pressure reaches a certain level, in tank lid
Power valve is opened, and coolant liquid flows into overflow tank by tank lid in water tank；When automobile stops working, after engine cool,
Coolant temperature reduces in water tank, and pressure becomes negative pressure in water tank, and the coolant liquid in overflow tank is sucked back into and passes through tank lid stream
Enter in water tank.In the prior art, for the detecting tool of radiator leakproofness based on the detection to water tank box, not yet
Specifically for the effective detecting tool of automobile water tank lid.In consideration of it, the utility model proposes a kind of inspections of automobile water tank lid
Survey tooling.
Summary of the invention
Technical problem to be solved in the utility model is in view of the deficiencies of the prior art, to provide a kind of automobile water tank lid
Detecting tool, positive pressure which applies tank lid and negative pressure it is adjustable, meet the matter of different tank lid products
The positive pressure and negative pressure measuring detection demand, and applying in the detection process automatically switch, and are not necessarily to manpower intervention, are conducive to save money
Detection efficiency and detection accuracy are improved in source.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of automobile water tank lid detecting tool,
Including support underframe and the product fixed cell being mounted on support underframe, positive/negative-pressure regulation unit and Leakage inspection list
Member, the product fixed cell is for tank lid to be detected to be fixed in the detection cavity of a sealing, described when detection
Tank lid the detection cavity is divided into the first cavity and the second cavity, the positive/negative-pressure regulation unit includes negative pressure
Generator, positive/negative-pressure switching solenoid valve and positive/negative pressure regulating valve, the positive/negative-pressure switching solenoid valve and the negative pressure are sent out
Raw device is connected, and the negative pressure generator is communicated through pipeline with first cavity, the positive/negative pressure regulating valve and institute
The negative pressure generator electrical connection stated, the Leakage inspection unit includes gas flow meter, the gas flow meter warp
Pipeline is communicated with second cavity, and the gas flow meter is used to detect the air flow rate by the tank lid
Value.
Before detection, tank lid to be detected is fixed in the detection cavity of sealing by product fixed cell, is later
It can start respectively to detect tank lid under positive pressure and negative pressure.When direct draught detects, pass through positive/negative pressure regulating valve first
The pressure for adjusting negative pressure generator, then switches to barotropic model by positive/negative-pressure switching solenoid valve, through negative pressure generator to first
Cavity applies the positive pressure set, after pressure maintaining for a period of time, is detected by gas flow meter and is passed through under current pressure from the first cavity
Tank lid enters the gas flow values (i.e. the leakage rate of air) of the second cavity, and judges that current tank lid is under positive pressure accordingly
It is no to meet the requirements.Similarly, when being detected under negative pressure, after positive/negative pressure adjusts the pressure of valve regulation negative pressure generator, by positive and negative
Pressure switching solenoid valve switches to negative pressure mode, applies the negative pressure that sets to the first cavity through negative pressure generator, at one section of pressure maintaining
Between after, by gas flow meter detect current pressure under from the second cavity by tank lid enter the first cavity gas flow values,
And judge whether current tank lid meets the requirements under negative pressure accordingly.
Positive pressure that the utility model detecting tool applies tank lid and negative pressure it is adjustable, meet different tank lid and produce
The quality testing demand of product, and the positive pressure and negative pressure applied in the detection process automatically switches, and is not necessarily to manpower intervention, is conducive to save
About resource improves detection efficiency and detection accuracy.
Preferably, the product fixed cell includes that cylinder, upper pattern and lower pattern, the cylinder are uprightly installed
On the support underframe, the upper pattern is fixed on the piston rod of the cylinder, the bottom of the upper pattern
It is provided with the groove of fovea superior, the bottom surface of the upper pattern is fixed with seal washer, and the seal washer is circumferentially positioned at institute
The periphery for the groove stated, the lower pattern are fixed on the support underframe, are provided with down at the top of the lower pattern
It is recessed for installing the installing port of the tank lid, the size essence of the installing port carried on the installing port and radiator
After spending identical, described tank lid installation, the cylinder operation, drive the upper pattern come downwards to the upper pattern with
Lower pattern compresses, and the upper pattern and lower pattern surround the detection cavity at this time, and the tank lid is by the inspection
It surveys cavity and is divided into second cavity and the first cavity setting up and down.Before detection, tank lid to be detected assembly is existed
At installing port on lower pattern, the actual installation situation of tank lid, then cylinder operation are simulated, pattern comes downwards to described in drive
Upper pattern and lower pattern compress, and compress tank lid, seal tank lid, start under positive pressure and negative pressure mould to the maximum extent later
The actual use situation of quasi- tank lid, it is automatic to detect the air flow rate value for passing through tank lid under positive pressure and negative pressure, and then judge water
Whether the quality of case lid meets the requirements.By simulating the actual use situation of water tank, so that testing result is more acurrate.
Preferably, the Leakage inspection unit further includes transparent water bottle, the transparent water bottle is provided with water,
The transparent water bottle is communicated through an exhaust pipe with second cavity, the exhaust pipe with the transparent water bottle phase
One end even is immersed in the water surface in the transparent water bottle or less.After transparent water bottle is set, when direct draught detects, people can be passed through
Bubble in work observation transparent water bottle intuitively confirms the accuracy of testing result.
Compared with prior art, the utility model has the advantages that the utility model detecting tool applies tank lid
Positive pressure and negative pressure it is adjustable, meet the quality testing demand of different tank lid products, and apply in the detection process
Positive pressure and negative pressure automatically switch, and are not necessarily to manpower intervention, are conducive to economize on resources, and improve detection efficiency and detection accuracy.
Detailed description of the invention
Fig. 1 is the outside drawing of automobile water tank lid detecting tool in embodiment；
Fig. 2 is the front view of automobile water tank lid detecting tool in embodiment.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
The automobile water tank lid detecting tool of embodiment 1, as shown, including support underframe 1 and being mounted on support underframe 1
Product fixed cell, positive/negative-pressure regulation unit and gas leak detection unit, product fixed cell is used for water to be detected
Case lid (not shown) is fixed in the detection cavity (not shown) of a sealing, and when detection, tank lid will test cavity
It is divided into the first cavity (not shown) and the second cavity (not shown), it includes negative pressure generator that positive/negative-pressure, which regulates and controls unit,
31, positive/negative-pressure switching solenoid valve 32 and positive/negative pressure regulating valve 33, positive/negative-pressure switching solenoid valve 32 are connected with negative pressure generator 31,
Negative pressure generator 31 is communicated through pipeline with the first cavity, and positive/negative pressure regulating valve 33 is electrically connected with negative pressure generator 31, and gas is let out
Leak detection unit includes gas flow meter 41, and gas flow meter 41 is communicated through pipeline with the second cavity, and gas flow meter 41 is used for
Detection passes through the air flow rate value of tank lid.
In embodiment 1, product fixed cell includes that cylinder 21, upper pattern 22 and lower pattern 23, cylinder 21 are uprightly mounted on
On support underframe 1, upper pattern 22 is fixed on the piston rod of cylinder 21, and the bottom of upper pattern 22 is provided with the groove of fovea superior (figure
In be not shown), the bottom surface of upper pattern 22 is fixed with seal washer (not shown), and seal washer is circumferentially positioned at the outer of groove
It encloses, lower pattern 23 is fixed on support underframe 1, and the top of lower pattern 23 is provided with the recessed installing port for being used to install tank lid
24, installing port 24 is identical as the dimensional accuracy of installing port carried in radiator (not shown), after tank lid installation, gas
Cylinder 21 works, and pattern 22 comes downwards to pattern 22 in drive and lower pattern 23 compresses, and upper pattern 22 is surrounded with lower pattern 23 at this time
Cavity is detected, tank lid will test cavity and be divided into the second cavity and the first cavity setting up and down.
The automobile water tank lid detecting tool of embodiment 2, the difference from embodiment 1 is that, in embodiment 2, gas leakage inspection
Surveying unit further includes transparent water bottle 42, and transparent water bottle 42 is provided with water, transparent water bottle 42 through an exhaust pipe (not shown) with
Second cavity communicates, and the one end of exhaust pipe being connected with transparent water bottle 42 is immersed in the water surface in transparent water bottle 42 or less.
Before detection, by tank lid to be detected assembly at the installing port 24 on lower pattern 23, the reality of tank lid is simulated
Situation is installed, then cylinder 21 works, pattern 22 comes downwards to the upper pattern 22 in drive and lower pattern 23 compresses, and compresses water tank
Lid, seals tank lid, tank lid is fixed in the detection cavity of sealing, start under positive pressure and negative pressure later to greatest extent
The actual use situation of simulation tank lid, it is automatic to detect the air flow rate value for passing through tank lid under positive pressure and negative pressure.Direct draught
When detection, first by the pressure of the adjusting negative pressure generator 31 of positive/negative pressure regulating valve 33 to 100KPa, then pass through positive and negative crush-cutting
It changes solenoid valve 32 and switches to barotropic model, apply the positive pressure that sets to the first cavity through negative pressure generator 31, at one section of pressure maintaining
Between after, by gas flow meter 41 detect current pressure under from the first cavity by tank lid enter the second cavity gas flow
Value, and judge whether current tank lid meets the requirements under positive pressure accordingly.Similarly, when detecting under negative pressure, positive/negative pressure is adjusted
Valve 33 adjusts the pressure of negative pressure generator 31 and switches to negative pressure mode to 100KPa, then by positive/negative-pressure switching solenoid valve 32, passes through
Negative pressure generator 31 applies the negative pressure set to the first cavity, after pressure maintaining for a period of time, is detected currently by gas flow meter 41
Enter the gas flow values (i.e. the leakage rate of air) of the first cavity under pressure by tank lid from the second cavity, and judges accordingly
Whether current tank lid meets the requirements under negative pressure, for example, leakage rate, which is greater than 150mL/min, then judges that tank lid is up-to-standard.
Pass through the testing result under positive pressure and negative pressure, it is convenient to judge whether the quality of tank lid meets the requirements.Pass through
The actual use situation for simulating water tank, so that testing result is more acurrate.
Claims (3)
1. a kind of automobile water tank lid detecting tool, which is characterized in that including support underframe and the product being mounted on support underframe
Fixed cell, positive/negative-pressure regulation unit and gas leak detection unit, the product fixed cell are used for water to be detected
Case lid is fixed in the detection cavity of a sealing, and when detection, the detection cavity is divided into the first chamber by the tank lid
Body and the second cavity, the positive/negative-pressure regulation unit includes negative pressure generator, positive/negative-pressure switching solenoid valve and positive/negative pressure tune
Valve is saved, the positive/negative-pressure switching solenoid valve is connected with the negative pressure generator, and the negative pressure generator is through pipeline and institute
The first cavity stated communicates, and the positive/negative pressure regulating valve is electrically connected with the negative pressure generator, the gas leakage
Detection unit includes gas flow meter, and the gas flow meter is communicated through pipeline with second cavity, the gas
Flowmeter is used to detect the air flow rate value by the tank lid.
2. a kind of automobile water tank lid detecting tool according to claim 1, which is characterized in that the product fixed cell
Including cylinder, upper pattern and lower pattern, the cylinder is uprightly mounted on the support underframe, and the upper pattern is fixed
On the piston rod of the cylinder, the bottom of the upper pattern is provided with the groove of fovea superior, the bottom surface of the upper pattern
It is fixed with seal washer, the seal washer is circumferentially positioned at the periphery of the groove, and the lower pattern is fixed on institute
On the support underframe stated, the recessed installing port for being used to install the tank lid, institute are provided at the top of the lower pattern
The installing port stated is identical as the dimensional accuracy of installing port carried on radiator, after the tank lid installation, the gas
Cylinder working drives the upper pattern to come downwards to the upper pattern and lower pattern compression, and the upper pattern is leaned on under at this time
Mould surrounds the detection cavity, and the detection cavity is divided into second chamber setting up and down by the tank lid
Body and the first cavity.
3. a kind of automobile water tank lid detecting tool according to claim 1, which is characterized in that the Leakage inspection
Unit further includes transparent water bottle, and the transparent water bottle is provided with water, and the transparent water bottle is through an exhaust pipe and described the
Two cavitys communicate, and the one end of the exhaust pipe being connected with the transparent water bottle is immersed in the water in the transparent water bottle
Below face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920147213.5U CN209623981U (en) | 2019-01-28 | 2019-01-28 | A kind of automobile water tank lid detecting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920147213.5U CN209623981U (en) | 2019-01-28 | 2019-01-28 | A kind of automobile water tank lid detecting tool |
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| Publication Number | Publication Date |
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| CN209623981U true CN209623981U (en) | 2019-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920147213.5U Active CN209623981U (en) | 2019-01-28 | 2019-01-28 | A kind of automobile water tank lid detecting tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323493A (en) * | 2021-12-29 | 2022-04-12 | 广东南曦液压机械有限公司 | Automatic detection device and detection method for tiny leakage flow |
-
2019
- 2019-01-28 CN CN201920147213.5U patent/CN209623981U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323493A (en) * | 2021-12-29 | 2022-04-12 | 广东南曦液压机械有限公司 | Automatic detection device and detection method for tiny leakage flow |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of inspection tooling for automobile water tank cover Effective date of registration: 20230104 Granted publication date: 20191112 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Ningbo Hangzhou Bay New Area Sub branch Pledgor: NINGBO SIROBOTIC TELCHNOLOGY Co.,Ltd. Registration number: Y2023330000035 |