CN207850629U - A kind of cylinder leak detector - Google Patents
A kind of cylinder leak detector Download PDFInfo
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- CN207850629U CN207850629U CN201820356991.0U CN201820356991U CN207850629U CN 207850629 U CN207850629 U CN 207850629U CN 201820356991 U CN201820356991 U CN 201820356991U CN 207850629 U CN207850629 U CN 207850629U
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Abstract
The utility model is related to a kind of cylinder leak detectors, including：First pressure gauge, second pressure gauge, pressure regulator valve, link block, the first connecting tube and the second connecting tube；The detection air flue of perforation is offered in link block, one end of detection air flue is fixedly connected with the outlet of pressure regulator valve, the arrival end of the other end and the first connecting tube that detect air flue is fixedly connected, the outlet end of first connecting tube is connected by quick coupling with the arrival end of the second connecting tube, the outlet end of second connecting tube is provided with detection tabs, and detection tabs are connected by quick coupling with the cylinder of required detection；First pressure gauge is fixed on pressure regulator valve, the entrance of pressure regulator valve is connected by pipeline with air compressor, second pressure gauge is fixed on link block and its air inlet is connected to detection air flue, pass through the utility model, pass through the two pieces of pressure gauges installed, pressure difference value can be intuitively read, comparison table determines that slip, use are simple and fast.
Description
Technical field
The utility model is related to auto repair detection field more particularly to a kind of cylinder leak detectors.
Background technology
Currently, the diagnosis for engine, other than the diagnosis of sensor, most popular method is exactly to measure at home
Cylinder pressure.It measures cylinder pressure and is divided into dry type cylinder pressure mensuration and wet type cylinder pressure mensuration, if dry type cylinder pressure measured value is relatively low, use
It is pressed and is measured with wet type cylinder, risen if any apparent, just illustrate that mechanical wear in cylinder side wall, such as rises without apparent, illustrates mechanical mill
Damage presses test method in cylinder cap side wall, the cylinder, very serious effective to mechanical wear, but for mechanical wear unobvious, and
It catches fire with accidental, or to travel the failure that hundreds of kilometer just will appear, traditional cylinder pressure test effect unobvious；Cylinder pressure
Leak-testing can more accurately judge fault point, while judging smaller leakage failure compared with traditional cylinder pressure test,
Existing cylinder pressure testing tool only there are one pressure gauge, when measurement need to prepare stopwatch the numerical value of pressure gauge is declined it is specified big
Small carry out timing carries out the judgement of cylinder leakage tester degree according to the length of dwell time.Existing main problem is：It need to continue to see
The numerical value change of pressure gauge is examined, measures be both needed to carry out timing using stopwatch every time, operating process is complicated, and uses manual time-keeping pair
The reaction speed dependence of different testers is larger, is easy to cause the generation of measurement error.
Utility model content
Technical problem to be solved in the utility model is in view of the deficiencies of the prior art, to provide a kind of cylinder survey
Leak instrument, at least one to solve the above technical problems.
The technical solution that the utility model solves above-mentioned technical problem is as follows, a kind of cylinder leak detector, including：Packet
First pressure gauge and pressure regulator valve are included, the entrance of pressure regulator valve is connected by pipeline with air compressor, and first pressure gauge is fixed on tune
In pressure valve, for measuring the initial pressure value for being input to engine air cylinder interior, which is characterized in that further include：Link block, second
Pressure gauge, the first connecting tube and the second connecting tube；The detection air flue that perforation is offered in link block detects one end and the tune of air flue
The outlet of pressure valve is fixedly connected, and the arrival end of the other end and the first connecting tube that detect air flue is fixedly connected, the first connecting tube
Outlet end is connected by quick coupling with the arrival end of the second connecting tube, and the outlet end of the second connecting tube is provided with detection tabs,
Detection tabs are connected by quick coupling with the cylinder of required detection；Second pressure gauge be fixed on link block and its into
Gas port is connected to detection air flue, for detecting the real-time pressure value in cylinder.
The utility model has the beneficial effects that：Air compressor is realized by being connected with first pressure gauge on pressure regulator valve
The visualization of input pressure can carry out the real-time adjustment of air source input pressure according to the numerical value that first pressure gauge is shown；Pass through
Second pressure gauge is connected on link block, second pressure gauge is connected with the detection air flue inside link block, inspection inside link block
It surveys air flue and cylinder chamber is connected to by pipeline, realize and inner pressure of air cylinder is detected, pass through first pressure gauge and second pressure
The difference of table calculates the percentage of cylinder leakage, to judge possible fault point, this practicality according to measured slip
It is novel different from the detection method that stopwatch is observed in the same air gauge detection cylinder the time required to air pressure change was needed in the past, inspection
Ranging degree is more accurate, without long lasting for barometric situation of change is watched attentively, reducing the difficulty of operation, while passing through inspection
The quick coupling being arranged on connector is surveyed, the fast assembling-disassembling of detection process center tap connection is realized, improves detection efficiency.
Based on the above technical solution, the utility model can also do following improvement.
Further, further include cylinder pressure leakage table for detecting and showing cylinder internal pressure leakage amount, gas
Cylinder pressure leakage table is fixed on link block and its air inlet is connected to detection air flue.
Using the advantageous effect of above-mentioned further scheme：Table, Ke Yizhi are leaked by installing cylinder pressure on link block
The clear percentage for reading cylinder pressure leakage is connect, simple breakdown judge is calculated without accurate reading, is saved
Repair the time of failure judgement.
Further, further include extending compound tube, the arrival end for extending compound tube is gone out by quick coupling and the first connecting tube
The connection of mouth end, the outlet end for extending compound tube is connected by quick coupling with the arrival end of the second connecting tube.
Using the advantageous effect of above-mentioned further scheme：Extend compound tube by increase, improves cylinder and leak hunting
The adaptability that instrument is adjusted the distance is extended when original connection length of tube is inadequate.
Further, it includes more third connecting tubes to extend compound tube, and more third connecting tubes are connected successively by quick coupling
It connects.
Using the advantageous effect of above-mentioned further scheme：More third connecting tubes are set as by the way that compound tube will be extended, it can
To be assembled into the extension compound tube of different length according to measuring distance, improves cylinder leak detector and measurement distance is fitted
Ying Xing realizes extension group by using the connection type of quick coupling between the sequentially connected third connecting tube of more head and the tail
Close the Rapid Combination of pipe different length.
Further, the first connecting tube, the second connecting tube and third connecting tube are fiber spiral rubber hose.
Using the advantageous effect of above-mentioned further scheme：By using between fiber spiral rubber hose cylinder leak detector
Connecting line, have outside preferable voltage endurance capability, weight compare wire spirally-wound hose for smaller, carry it is lighter.
Further, first pressure gauge and second pressure gauge are digital display manometer.
Using the advantageous effect of above-mentioned further scheme：By the way that first pressure gauge and second pressure gauge are disposed as digital display
Pressure gauge so that reading process is more intuitive, and display precision is higher, avoids because using pointer pressure to generate human eye error
The not accurate phenomenon of caused data occurs.
Further, further include gas source connector, gas source connector is fixed on the inlet of pressure regulator valve, and gas source connector is to be directed away from
The tapered tubular structure of pressure regulator valve Way in upper section reduced diameter is fixedly connected in the tapered exterior sidewall of gas source connector
There are multiple annular rubber rings, gas source connector to be connected with air compressor by pipeline.
Using the advantageous effect of above-mentioned further scheme：By setting gas source connector to tapered tubular structure, connecting
When air compressor exports sebific duct, tapered exterior sidewall plays good guiding role, by gas source connector tapered exterior sidewall
Fixed multiple annular rubber rings, increase the seal of tracheae and engine measuring instrument junction, reduces and is generated because of gas leakage
Additional power consumption.
Further, it is provided with the adjusting knob for adjusting pressure size on pressure regulator valve, on the lateral wall of adjusting knob
It is furnished with multiple strip bulges.
Using the advantageous effect of above-mentioned further scheme：By the way that adjusting knob is arranged, realize under different operating modes to input
The adjusting of pressure value, by the way that multiple strip bulges are arranged on the lateral wall of adjusting knob, personnel easy to operation rotate
Operation, frictional force is increased by the setting of strip bulge, and twisting motionless phenomenon because of knob tension during avoiding occurs.
Further, the range of first pressure gauge and second pressure gauge is 0-140psi.
Using the advantageous effect of above-mentioned further scheme：By the way that the range of first pressure gauge and second pressure gauge is uniformly set
It is set to 0-140psi, improves adaptability of the cylinder leak detector to difference cylinder, measurement accuracy is higher.
Further, the pressure limit that the work air source that air compressor generates moves is 0.6-1.0MPa.
Using the advantageous effect of above-mentioned further scheme：Pass through the pressure limit for the work air source that the work of compressor generates
It is limited to 0.6-1.0Mpa, good test effect is ensure that, effectively detects cylinder slip, while being avoided because of test
The excessive damage that cylinder is generated of pressure.
Description of the drawings
Fig. 1 is a kind of cylinder leak detector three-dimensional structure diagram of the utility model one embodiment；
Fig. 2 is a kind of cylinder leak detector three-dimensional structure diagram of another embodiment of the utility model；
Fig. 3 is a kind of cylinder leak detector three-dimensional structure diagram of the utility model further embodiment；
Fig. 4 is a kind of cylinder leak detector three-dimensional structure diagram of another embodiment of the utility model；
Fig. 5 is a kind of sectional view of the link block of the installation pressure gauge of cylinder leak detector described in the utility model.
In attached drawing, parts list represented by the reference numerals are as follows：
1, gas source connector, 2, adjusting knob, 3, pressure regulator valve, 4, link block, 5, second pressure gauge, the 6, first connecting tube, 7,
Quick coupling, the 8, second connecting tube, 9, detection tabs, 10, first pressure gauge, 11, cylinder pressure leak table, 12, extend combination
Pipe, 13, detection air flue, 14, third connecting tube.
Specific implementation mode
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is novel, it is not intended to limit the scope of the utility model.
As shown in Figure 1 and Figure 5, a kind of cylinder leak detector in the present embodiment, including first pressure gauge 10 and tune
The entrance of pressure valve 3, pressure regulator valve 3 is connected by pipeline with air compressor, and first pressure gauge 10 is fixed on pressure regulator valve 3, is used for
Measure the initial pressure value for being input to engine air cylinder interior, which is characterized in that further include：Link block 4, second pressure gauge 5,
One connecting tube 6 and the second connecting tube 8；The detection air flue 13 of perforation is offered in link block 4, detects one end and the pressure regulation of air flue 13
The outlet of valve 3 is fixedly connected, and the arrival end of the other end and the first connecting tube 6 that detect air flue 13 is fixedly connected, the first connecting tube
6 outlet end is connected by quick coupling 7 with the arrival end of the second connecting tube 8, and the outlet end of the second connecting tube 8 is provided with detection
Connector 9, detection tabs 9 are connected by quick coupling 7 with the cylinder of required detection；Second pressure gauge 5 is fixed on connection
On block 4 and its air inlet is connected to detection air flue 13, for detecting the real-time pressure value in cylinder.
Specifically, first pressure gauge 10 and second pressure gauge 5 are to measure the vacuum degree pressure gauge of gas；Pressure regulator valve 3 is
Start pressure regulator valve 3, AR-2000-20 series startups pressure regulator valve 3 can be selected, inlet and outlet is provided on pressure regulator valve 3, vertical
In being provided with threaded hole compatible with 10 connector of first pressure gauge on the direction of inlet and outlet, for installing first pressure gauge
10；Link block 4 is stainless steel cuboid, and centre drills out cylindrical hole as detection air flue 13, perpendicular to detection 13 axis of air flue
On the direction of line on a side of stainless steel cuboid, offered and second on the direction of direction detection 13 axis of air flue
5 compatible threaded hole of pressure gauge, for installing second pressure gauge 5；The both ends of detection air flue 13 have been connected through a screw thread respectively
Bidirectional helical pipe fitting, for installing pressure regulator valve 3 and the first connecting tube 6；The sub- end of quick coupling 7 and female end crimp fixation respectively
Arrival end in the outlet end of the first connecting tube 6 and the second connecting tube 8；Be screwed in detection tabs 9 quick coupling 7 sub- end or
Person's female end, corresponding female end or sub- end are rotated in the spark-plug hole of cylinder.
The use step of the present embodiment is：
1, after engine being gone to certain temperature, engine is closed, all spark plugs is removed, tightens tank lid, machine oil lid,
Air filtering core is cleaned；
2, engine crankshaft is rotated, the compression top center until reaching measured cylinder installs switching in spark-plug hole
Connector, you can the sub- end of installation quick coupling 7 or female end；
3, the other end of quick coupling 7 is mounted in the detection tabs 9 on engine leak detector, then itself and engine
The quick grafting of adapter coupling on spark plug；
4, the outlet of air compressor is connected to by air hose on the entrance of pressure regulator valve 3, air compressor generates
Origin pressure than 10 big 10psi of first pressure gauge, adjust knob on pressure regulator valve 3 to required pressure；
5, reading numerical values when 5 numerical stability of second pressure gauge, calculate the leakage rate of cylinder, i.e. gas pressure leak percentage,
Use first pressure gauge 10 and the reading difference of second pressure gauge 5 divided by the setting numerical value of first pressure gauge 10；
6, after testing, removal of engine cylinder tester connects original ignition system.
The advantageous effect of the present embodiment is：Air compression is realized by being connected with first pressure gauge 10 on pressure regulator valve 3
The visualization of machine input pressure, the numerical value that can be shown according to first pressure gauge 10 carry out the real-time adjustment of air source input pressure；
By being connected with second pressure gauge 5 on link block 4, the detection air flue 13 inside second pressure gauge 5 and link block 4 connects, even
It connects 4 inside detection air flue 13 of block and cylinder chamber is connected to by pipeline, realize and inner pressure of air cylinder is detected, pass through first pressure
The difference of table 10 and second pressure gauge 5 calculates the percentage of cylinder leakage, possible to be judged according to measured slip
Fault point, the utility model and stopwatch is needed to observe in same air gauge detection cylinder the time required to air pressure change in the past
Detection method is different, and detection level is more accurate, without long lasting for barometric situation of change is watched attentively, reducing operation
Difficulty, while the quick coupling 7 by being arranged in detection tabs 9 realize the fast assembling-disassembling of detection process center tap connection, carry
High detection efficiency.
As shown in Figure 2 and Figure 5, a kind of cylinder leak detector in some optional embodiments, further includes being used for
Detect and show that the cylinder pressure leakage table 11 of cylinder internal pressure leakage amount, cylinder pressure leakage table 11 are fixed on connection
On block 4 and its air inlet is connected to detection air flue 13.
Specifically, being shown as percentage on 11 dial plate of cylinder pressure leakage table, which is bolted in link block 4
It is located at the side of second pressure gauge 5 on one side.
Above-described embodiment has the beneficial effect that：Table 11 is leaked by installing cylinder pressure on link block 4, it can be directly bright
The percentage for reading cylinder pressure leakage, simple breakdown judge is calculated without accurate reading, saves repair
The time of failure judgement.
As shown in Figures 3 to 5, a kind of cylinder leak detector in some optional embodiments further includes extending
Compound tube 12, the arrival end for extending compound tube 12 are connected by quick coupling 7 with 6 outlet end of the first connecting tube, and compound tube is extended
12 outlet end is connected by quick coupling 7 with the arrival end of the second connecting tube 8.
Specifically, the sub- end of quick coupling 7 or female end are crimped on by crimping mode on the outlet end of the first connecting tube 6,
The female end of corresponding quick coupling 7 or sub- side pressure are connected on the arrival end for extending compound tube 12；Likewise, the son of quick coupling 7
End or female end are crimped on by crimping mode on the outlet end for extending compound tube 12, the female end of corresponding quick coupling 7 or sub- end
It is crimped on by crimping mode on the arrival end of the second connecting tube 8.
Above-described embodiment has the beneficial effect that：Extend compound tube 12 by increase, improves cylinder leak detector pair
The adaptability of distance is extended when original connection length of tube is inadequate.
As shown in Figure 4 and Figure 5, a kind of cylinder leak detector in some optional embodiments extends compound tube
12 include more third connecting tubes 14, and more third connecting tubes 14 are sequentially connected by quick coupling 7.
Specifically, the sub- end of quick coupling 7 and female end are crimped on the both ends of third connecting tube 14 respectively.
Above-described embodiment has the beneficial effect that：More third connecting tubes 14 are set as by the way that compound tube 12 will be extended, it can be with
It is assembled into the extension compound tube 12 of different length according to measuring distance, improves cylinder leak detector and measurement distance is fitted
Ying Xing is realized and is prolonged by using the connection type of quick coupling 7 between the sequentially connected third connecting tube of more head and the tail 14
The Rapid Combination of 12 different length of long compound tube.
As Figure 1-Figure 5, a kind of cylinder leak detector in some optional embodiments, the first connecting tube 6,
Second connecting tube 8 and third connecting tube 14 are fiber spiral rubber hose.
Preferably, the maximum for the fiber spiral rubber hose that the first connecting tube 6, the second connecting tube 8 and third connecting tube 14 are selected
Pressure voltage is 1.5Mpa, and the fiber spiral rubber hose of the corresponding Pressure maximum value provided more than air source is all suitable for.
Above-described embodiment has the beneficial effect that：By using the connection between fiber spiral rubber hose cylinder leak detector
Pipeline has outside preferable voltage endurance capability, and weight compares smaller for wire spirally-wound hose, carries lighter.
As Figure 1-Figure 5, a kind of cylinder leak detector in some optional embodiments, first pressure gauge 10
It is digital display manometer with second pressure gauge 5.
Specifically, digital display manometer is the digital display manometer for measuring gas vacuum degree, screen guarantor is provided on display
Shield.
Above-described embodiment has the beneficial effect that：By the way that first pressure gauge 10 and second pressure gauge 5 are disposed as digital display pressure
Power table so that reading process is more intuitive, and display precision is higher, avoids and is led because using pointer pressure to generate human eye error
The not accurate phenomenon of the data of cause occurs.
As Figure 1-Figure 5, a kind of cylinder leak detector in some optional embodiments, further includes that air source connects
First 1, gas source connector 1 is fixed on the inlet of pressure regulator valve 3, and gas source connector 1 is straight to be directed away from 3 Way in upper section of pressure regulator valve
Diameter diminishing tapered tubular structure is fixedly connected with multiple annular rubber rings, air source in the tapered exterior sidewall of gas source connector 1
Connector 1 is connected by pipeline with air compressor.
Specifically, offering multiple annular grooves in the tapered exterior sidewall of gas source connector 1, multiple annular rubber rings pass through viscous
Mixture is bonded in multiple annular grooves.
Above-described embodiment has the beneficial effect that：By setting gas source connector 1 to tapered tubular structure, in connection air pressure
When contracting machine exports sebific duct, tapered exterior sidewall plays good guiding role, by fixed more in 1 tapered exterior sidewall of gas source connector
A annular rubber ring increases the seal of tracheae and engine measuring instrument junction, reduce because gas leakage generate it is additional
Power consumption.
As Figure 1-Figure 5, a kind of cylinder leak detector in some optional embodiments is set on pressure regulator valve 3
It is equipped with the adjusting knob 2 for adjusting pressure size, multiple strip bulges are evenly equipped on the lateral wall of adjusting knob 2.
Specifically, multiple strip bulges are circumferentially disposed in the lateral wall of adjusting knob 2, the direction that multiple strip bulges extend
Parallel with the axis of adjusting knob 2, multiple strip bulges can be with the angularly disposed lateral wall in adjusting knob 2 of spiral in addition
On, the material of adjusting knob 2 is engineering plastics, and annular knurl line is machined in the outer surface of multiple strip bulges, to increase friction
Power is convenient for twist-on.
Above-described embodiment has the beneficial effect that：By the way that adjusting knob 2 is arranged, realize under different operating modes to input pressure number
The adjusting of value, by the way that multiple strip bulges are arranged on the lateral wall of adjusting knob 2, personnel easy to operation carry out rotation process,
Frictional force is increased by the setting of strip bulge, twisting motionless phenomenon because of knob tension during avoiding occurs.
As Figure 1-Figure 5, a kind of cylinder leak detector in some optional embodiments, first pressure gauge 10
Range with second pressure gauge 5 is 0-140psi.
Above-described embodiment has the beneficial effect that：By the way that the unification of the range of first pressure gauge 10 and second pressure gauge 5 is set
For 0-140psi, adaptability of the cylinder leak detector to difference cylinder is improved, measurement accuracy is higher.
As Figure 1-Figure 5, a kind of cylinder leak detector in some optional embodiments, air compressor production
The dynamic pressure limit of raw work air source is 0.6-1.0MPa.
Above-described embodiment has the beneficial effect that：The pressure limit of the work air source generated by the work of compressor is limited to
0.6-1.0Mpa ensure that good test effect, effectively detect cylinder slip, while avoiding because of test pressure mistake
The damage that cylinder is generated greatly.
In the description of this specification, reference term " embodiment one ", " embodiment two ", " example ", " specific example " or
The description of " some examples " etc. means that specific method, device or feature described in conjunction with this embodiment or example are contained in this reality
With in novel at least one embodiment or example.In the present specification, schematic expression of the above terms are necessarily directed to
Be identical embodiment or example.Moreover, description specific features, method, apparatus or feature can any one or it is more
It can be combined in any suitable manner in a embodiment or example.In addition, without conflicting with each other, those skilled in the art can
The feature of different embodiments or examples described in this specification and different embodiments or examples to be combined.
The preferred embodiment that these are only the utility model, is not intended to limit the utility model, all in the utility model
Spirit and principle within, any modification, equivalent replacement, improvement and so on should be included in the protection model of the utility model
Within enclosing.
Claims (10)
1. a kind of cylinder leak detector, including first pressure gauge (10) and pressure regulator valve (3), the entrance of the pressure regulator valve (3)
It is connected with air compressor by pipeline, the first pressure gauge (10) is fixed on the pressure regulator valve (3), for measuring input
To the initial pressure value of engine air cylinder interior, which is characterized in that further include：Link block (4), second pressure gauge (5), first connect
Take over (6) and the second connecting tube (8)；The detection air flue (13) of perforation, the detection air flue are offered in the link block (4)
(13) one end is fixedly connected with the outlet of the pressure regulator valve (3), and the other end of the detection air flue (13) and described first connects
The arrival end for taking over (6) is fixedly connected, and the outlet end of first connecting tube (6) is connected by quick coupling (7) and described second
The arrival end connection of (8) is taken over, the outlet end of second connecting tube (8) is provided with detection tabs (9), the detection tabs
(9) it is connected with the cylinder of required detection by quick coupling (7)；The second pressure gauge (5) is fixed on the connection
On block (4) and its air inlet is connected to the detection air flue (13), for detecting the real-time pressure value in the cylinder.
2. a kind of cylinder leak detector according to claim 1, which is characterized in that further include for detecting and showing
The cylinder pressure leakage table (11) of the cylinder internal pressure leakage amount, the cylinder pressure leakage table (11) are fixed on institute
It states on link block (4) and its air inlet is connected to the detection air flue (13).
3. a kind of cylinder leak detector according to claim 1, which is characterized in that further include extending compound tube
(12), the arrival end for extending compound tube (12) is connected by quick coupling (7) with the first connecting tube (6) outlet end,
The outlet end for extending compound tube (12) is connected by quick coupling (7) with the arrival end of second connecting tube (8).
4. a kind of cylinder leak detector according to claim 3, which is characterized in that extension compound tube (12) packet
More third connecting tubes (14) are included, the more third connecting tubes (14) are sequentially connected by quick coupling (7).
5. a kind of cylinder leak detector according to claim 4, which is characterized in that first connecting tube (6), institute
It is fiber spiral rubber hose to state the second connecting tube (8) and the third connecting tube (14).
6. a kind of cylinder leak detector according to claim 1, which is characterized in that the first pressure gauge (10) and
The second pressure gauge (5) is digital display manometer.
7. a kind of cylinder leak detector according to claim 1, which is characterized in that further include gas source connector (1), institute
The inlet that gas source connector (1) is fixed on the pressure regulator valve (3) is stated, the gas source connector (1) is to be directed away from the pressure regulator valve
(3) the tapered tubular structure of Way in upper section reduced diameter, it is fixed in the tapered exterior sidewall of the gas source connector (1)
Multiple annular rubber rings are connected with, the gas source connector (1) is connected by pipeline with the air compressor.
8. a kind of cylinder leak detector according to claim 1, which is characterized in that be arranged on the pressure regulator valve (3)
It is useful for adjusting the adjusting knob (2) of pressure size, multiple strip bulges is evenly equipped on the lateral wall of the adjusting knob (2).
9. a kind of cylinder leak detector according to claim 1, which is characterized in that the first pressure gauge (10) and
The range of the second pressure gauge (5) is 0-140psi.
10. according to a kind of cylinder leak detector of claim 1-9 any one of them, which is characterized in that the air pressure
The pressure limit that the work air source that contracting machine generates moves is 0.6-1.0MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820356991.0U CN207850629U (en) | 2018-03-15 | 2018-03-15 | A kind of cylinder leak detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820356991.0U CN207850629U (en) | 2018-03-15 | 2018-03-15 | A kind of cylinder leak detector |
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| Publication Number | Publication Date |
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| CN207850629U true CN207850629U (en) | 2018-09-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758694A (en) * | 2021-08-21 | 2021-12-07 | 国营四达机械制造公司 | Micro-pressure inspection device and method for aircraft engine accessories |
-
2018
- 2018-03-15 CN CN201820356991.0U patent/CN207850629U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758694A (en) * | 2021-08-21 | 2021-12-07 | 国营四达机械制造公司 | Micro-pressure inspection device and method for aircraft engine accessories |
| CN113758694B (en) * | 2021-08-21 | 2023-10-20 | 国营四达机械制造公司 | Micro-pressure inspection device and method for aero-engine accessories |
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