CN207662577U - A kind of tank cap lock air-tightness detection device - Google Patents
A kind of tank cap lock air-tightness detection device Download PDFInfo
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- CN207662577U CN207662577U CN201721926986.0U CN201721926986U CN207662577U CN 207662577 U CN207662577 U CN 207662577U CN 201721926986 U CN201721926986 U CN 201721926986U CN 207662577 U CN207662577 U CN 207662577U
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- tank cap
- air
- cap lock
- plate
- backing plate
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Abstract
The utility model discloses a kind of tank cap lock air-tightness detection devices, including bottom plate, the backing plate being arranged on bottom plate, the tank cap lock fixing device being arranged on backing plate, compact heap tank cap lock fixing device being pressed abd fixed on backing plate, the tank cap lock fixing device is provided with and communicated with air inlet pipe, and first flow sensor is provided in air inlet pipe；It is additionally provided with support plate on the bottom plate, air cylinder fixed plate is provided in support plate, cylinder is installed in air cylinder fixed plate, the tailpiece of the piston rod of cylinder is fixedly connected with the upper clamping cap with compact heap fitted seal, it is provided with air cavity in the upper clamping cap, it is also provided with and communicated with escape pipe on the inner wall of air cavity, second flow sensor is provided on escape pipe.Whether the air-tightness that tank cap lock can be fast and accurately determined by the present apparatus meets the requirements, and easy to operate, and it is convenient to read, and can be widely applied to tank cap lock air-leakage test field.
Description
Technical field
The utility model is related to automative petrol tank lock detection fields, more particularly, to a kind of tank cap lock air-tightness detection device.
Background technology
Traditional tank cap lock air-tightness detection tool forms supporting surface using bottom surface by several rotatingcylindrical drums, above by
Two respectively adjustable screw rod connect a plane and make clamping plane, place two and oil pump orifice sealing respectively under clamping plane
Face, Tipping valve orifice sealing face size rubber pad complete airtight detection process, but the adjusting of two screw rods is clear
Instruction standard is easy to pack up two seal faces and is pressurized different and leads to local deformation completely by feel and experience.Air-tightness is examined
It surveys tooling instruction compression and seals oil pump mouth and overturning valve orifice, remaining surface is in no restrained condition, in air-leakage test mistake
Unstability is easy in journey under pressured state to cause to deform, and the oil filler of fuel tank of vehicle and oil outlet lacking because of welding procedure
It falls into, it is very few and form rosin joint to easily lead to melting amount under same welding machine pressure.The air-tightness of the fuel tank of rosin joint cannot be protected
Barrier, oil filler and the weld of gas outlet, which will appear cracking, in use causes fuel tank to reveal gasoline, occurs great
Security risk.And in order to ensure fuel tank can smoothly fuel feeding, and when the pressure in fuel tank being required to be less than certain value, can pass through
Tank cap lock air inlet ensures the pressure value in fuel tank.Therefore, i.e., the leakproofness of tank cap lock under a certain pressure is detected, is examined again
It surveys tank cap lock and reaches the conduction after certain pressure value.
Utility model content
The purpose of this utility model is to provide a kind of tank cap lock air-tightness detection device, solves existing tank cap lock air-tightness inspection
Survey inconvenient for operation, the not high problem of accuracy of detection.
Technical solution adopted by the utility model to solve its technical problems is：A kind of tank cap lock air-tightness detection device,
Including bottom plate, the backing plate being arranged on bottom plate, the tank cap lock fixing device being arranged on backing plate compresses tank cap lock fixing device
The compact heap being fixed on backing plate, the tank cap lock fixing device are provided with and communicated with air inlet pipe, are provided in air inlet pipe first-class
Quantity sensor；It is additionally provided with support plate on the bottom plate, air cylinder fixed plate is provided in support plate, peace is fixed in air cylinder fixed plate
Equipped with cylinder, the tailpiece of the piston rod of cylinder is fixedly connected with the upper clamping cap with compact heap fitted seal, is set in the upper clamping cap
It is equipped with air cavity, escape pipe is also provided with and communicated on the inner wall of air cavity, second flow sensor is provided on escape pipe.
For convenience of read data, the tank cap lock air-tightness detection device further include for show first flow sensor and
The display of second flow sensor flow and air inlet pipe, outlet pipe pressure is provided with pressure in the air inlet pipe and an air outlet pipe
Sensor.
For convenience of dismounting tank cap lock, the both sides of the backing plate are provided with step surface, and the both sides of the backing plate are also fixedly installed
There is guide plate, guide plate, which is pressed on step surface, allows backing plate to be moved forward and backward along guide plate.
Preferably, the tank cap lock fixing device includes oil filling pipe compatible with tank cap lock and welded seal oil filling pipe one
The sealing plate at end.
To improve the leakproofness of the utility model, sealing ring, the upper clamping cap end face are additionally provided on the compact heap
On be provided with the concave surface coordinated with sealing ring.
The beneficial effects of the utility model：Tank cap lock sealing is fixed therein by the present apparatus, then passes through air inlet pipe
So that tank cap lock both ends is formed pressure difference tank cap lock inflation or escape pipe pumping, is detected in different pressures by air flow sensor
The air leakage of the lower tank cap lock of force difference effect, to judge whether tank cap lock meets the requirements.Since the detection device is true by tank cap lock
Real simulation entrucking requires to carry out air-leakage test and measure, and the real result of reflection is reliable, can not only carry out tank cap lock guarantor
The gas leakage of pressure detects, and can detect gas leakage value.The device has easy to operate, the convenient advantage of digital independent.Meanwhile it is complete
The full state for simulating tank cap lock on vehicle, accuracy of detection are high.The backing plate uses telescopic slide construction, convenience pair
The tank cap lock being installed therein is dismounted.
Below with reference to drawings and examples, the utility model is described in detail.
Description of the drawings
Fig. 1 is the sectional view of the utility model.
Fig. 2 is the partial cutaway schematic after fit on tank cap lock in the utility model.
Specific implementation mode
Embodiment, as shown in Figure 1 and Figure 2, a kind of tank cap lock air-tightness detection device, including bottom plate 1, it is arranged on bottom plate 1
Backing plate 2, the both sides of the backing plate 2 are provided with step surface 21, and the both sides of the backing plate 2 are further fixedly arranged on guide plate 15, guide plate
15 be L-type structure, and guide plate 15 is pressed in step surface 21 up stroke, one sliding slot, backing plate 2 is allow to be moved forward and backward along guide plate 15, described
The knob for facilitating pulling is additionally provided on backing plate 2.It is provided with tank cap lock fixing device 3 on the backing plate 2 and fixes tank cap lock
Device 3 is pressed abd fixed on the compact heap 4 on backing plate 2.The tank cap lock fixing device 3 includes oil filling pipe compatible with tank cap lock
31 and 31 one end of welded seal oil filling pipe sealing plate 32, the compact heap 4 is bolted on backing plate 2 together with sealing plate 32
On.The tank cap lock fixing device 3 is provided with and communicated with air inlet pipe 5, and first flow sensor 6 and pressure are provided in air inlet pipe 5
Sensor 14 is also connected in air inlet pipe 5 and is provided with inflator pump, inflated into tank cap lock by inflator pump.
It is additionally provided with one group of support plate 7 on the bottom plate 1, air cylinder fixed plate 8, air cylinder fixed plate 8 are provided in support plate 7
On be installed with cylinder 9, the tailpiece of the piston rod of cylinder 9 is fixedly connected with the upper clamping cap 10 with 4 fitted seal of compact heap, described
It is additionally provided with sealing ring 16 on compact heap 4, the concave surface coordinated with sealing ring 16 is provided on 10 end face of upper clamping cap.Pass through
Cylinder 9 compresses upper clamping cap 10 and compact heap 4, ensures the leakproofness of the two.It is provided with air cavity in the upper clamping cap 10
101, escape pipe 11 is also provided with and communicated on the inner wall of air cavity 101, and second flow sensor 12 and pressure are provided on escape pipe 11
Force snesor 14, is additionally provided with getter device, for 101 air-breathing of air cavity.The tank cap lock air-tightness detection device further includes
The numerical value of display 13, the first flow sensor 6, second flow sensor 12 and pressure sensor 14 is transmitted by signal
It directly displays on the monitor 13, so as to intuitively judge air leakage of the tank cap lock in experiment, to which quickly judgement is oily
Whether case lock is qualified.
The operating process and operation principle of the present apparatus be：It is in place in tested tank cap lock fixed with oil filling pipe
Afterwards, after tested tank cap lock being screwed in the oil filling pipe of adaptation, key is extracted in simulation entrucking.It includes adding that the tooling, which is by whole fuel tank lock,
Oil pipe, which is included in together with tank cap lock key assembly in tooling, to carry out air-leakage test and measures.It is injected into closure by air inlet pipe
Tooling in, due to there is sealing ring between upper mold and lower die, so that upper and lower mould is close under the continuous of cylinder, prevent gas leakage.
Gas injection process：Gas is injected by the air inlet pipe of lower die inside tested tank cap lock, and is remembered while constantly injection gas
Record the gas flow of the second flow sensor in the pressure value and escape pipe of tank cap lock.Assuming that whether judgement tank cap lock is qualified
Standard is in a pressure to be once unable to gas leakage, rises in b pressure that require air leakage to have n then be qualification.Then compare the standard and reality
The data that sensor obtains are compared, to judge whether tank cap lock is qualified.When gas pressure intensity is more than certain value in tank cap lock
When, the compression spring inside tank cap lock is open-top, and tank cap lock starts in aerial drainage gas to the closed air cavity of tooling, then by the outlet of upper mold
Pipe siphons away the vent flow gas of tank cap lock, and aerial drainage magnitude is measured by second flow sensor.Pumping process：Exhaust tube constantly into
Row pumping, after pressure is more than certain value, the compression spring inside tank cap lock is opened by ceiling, and tank cap lock is with tooling air cavity at through-flow, note
The gas flow of first flow sensor under different pressure is recorded, and is compared with setting value, to judge whether tank cap lock accords with
It closes and requires.
Claims (5)
1. a kind of tank cap lock air-tightness detection device, it is characterised in that：Including bottom plate (1), the backing plate being arranged on bottom plate (1)
(2), the tank cap lock fixing device (3) being arranged on backing plate (2), tank cap lock fixing device (3) is pressed abd fixed on backing plate (2)
Compact heap (4), the tank cap lock fixing device (3) is provided with and communicated with air inlet pipe (5), is provided in air inlet pipe (5) first-class
Quantity sensor (6)；It is additionally provided with support plate (7) on the bottom plate (1), air cylinder fixed plate (8), gas are provided in support plate (7)
Cylinder (9) is installed in cylinder fixed plate (8), the tailpiece of the piston rod of cylinder (9) is fixedly connected with and compact heap (4) fitted seal
Upper clamping cap (10), is provided with air cavity (101) in the upper clamping cap (10), also connection setting on the inner wall of air cavity (101)
There is escape pipe (11), second flow sensor (12) is provided on escape pipe (11).
2. tank cap lock air-tightness detection device as described in claim 1, it is characterised in that：The tank cap lock air-leakage test dress
Set further includes for showing first flow sensor (6) and second flow sensor (12) flow and air inlet pipe, outlet pipe pressure
Display (13), be provided with pressure sensor (14) in the air inlet pipe and an air outlet pipe.
3. tank cap lock air-tightness detection device as described in claim 1, it is characterised in that：The both sides of the backing plate (2) are arranged
There are step surface (21), the both sides of the backing plate (2) to be further fixedly arranged on guide plate (15), guide plate (15), which is pressed on step surface (21), to be made
Backing plate (2) can be moved forward and backward along guide plate (15).
4. tank cap lock air-tightness detection device as described in claim 1, it is characterised in that：The tank cap lock fixing device (3)
It include the sealing plate (32) of oil filling pipe (31) compatible with tank cap lock and welded seal oil filling pipe (31) one end.
5. tank cap lock air-tightness detection device as described in claim 1, it is characterised in that：It is also set up on the compact heap (4)
There is sealing ring (16), the concave surface with sealing ring (16) cooperation is provided on upper clamping cap (10) end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721926986.0U CN207662577U (en) | 2017-12-30 | 2017-12-30 | A kind of tank cap lock air-tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721926986.0U CN207662577U (en) | 2017-12-30 | 2017-12-30 | A kind of tank cap lock air-tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207662577U true CN207662577U (en) | 2018-07-27 |
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ID=62944957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721926986.0U Active CN207662577U (en) | 2017-12-30 | 2017-12-30 | A kind of tank cap lock air-tightness detection device |
Country Status (1)
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| CN (1) | CN207662577U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579179A (en) * | 2020-07-03 | 2020-08-25 | 河南万国科技股份有限公司 | Detector for fuel evaporation emission control system |
| CN111716667A (en) * | 2020-05-13 | 2020-09-29 | 常州市富源鑫塑胶有限公司 | Production method of automobile oil tank cover |
-
2017
- 2017-12-30 CN CN201721926986.0U patent/CN207662577U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111716667A (en) * | 2020-05-13 | 2020-09-29 | 常州市富源鑫塑胶有限公司 | Production method of automobile oil tank cover |
| CN111579179A (en) * | 2020-07-03 | 2020-08-25 | 河南万国科技股份有限公司 | Detector for fuel evaporation emission control system |
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