CN209372336U - Valve island and tightness tester - Google Patents
Valve island and tightness tester Download PDFInfo
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- CN209372336U CN209372336U CN201920141917.1U CN201920141917U CN209372336U CN 209372336 U CN209372336 U CN 209372336U CN 201920141917 U CN201920141917 U CN 201920141917U CN 209372336 U CN209372336 U CN 209372336U
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- valve
- solenoid valve
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- solenoid
- island
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Abstract
The utility model discloses a kind of valve island and tightness testers, and wherein valve island includes valve seat, are equipped with gas passage inside valve seat, gas passage includes first passage, second channel, third channel, fourth lane, Five-channel and the 6th channel；Air inlet is connected to the inlet end of the inlet end of the first solenoid valve and second solenoid valve respectively by first passage, the outlet side of first solenoid valve is connected to by second channel with Five-channel, the outlet side of second solenoid valve is connected to by third channel with vacuum generator, the inlet end of third solenoid valve is connected to by fourth lane with vacuum generator, the outlet side of third solenoid valve is connected to by Five-channel with the outlet side of the 4th solenoid valve, air accumulator is connected to by the 6th channel with the inlet end of the 4th solenoid valve, and the outlet side of the 4th solenoid valve is connected to test mouth.It is connected between solenoid valve by gas passage, avoids and connect by connector with PU tracheae, improve the air-tightness of tightness tester, improve detection accuracy.
Description
Technical field
The utility model relates to testing equipment fields, and in particular to a kind of valve island and tightness tester.
Background technique
In the 21 century of scientific and technological high speed development, it is many convenient that high-tech product brings for people's lives, while people couple
The requirement of high-tech product is also growing day by day, one of them important requirement is exactly dustproof and waterproof, and the property of product not only can be improved
It can, moreover it is possible to protect product to be not easy to be damaged, extend the service life of product.During the production process of product, setting for profession is needed
Whether standby test product dust-proof or waterproof, that is, checks the leakproofness of product.
In the island existing tightness tester Zhong Fa, it is connect by connector with PU tracheae between solenoid valve and solenoid valve,
It has a variety of defects, comprising: leakproofness is poor, since there are many connector, is difficult to control the leakage generated due to piping connection, influence
Itself precision of instrument, pipeline are easy to produce expansion after being pressurized, and connecting pipeline used itself has centainly swollen after compression
Swollen property, and becoming larger with pressure, expansion is more violent, influences the stability of instrument；Line size how long pipeline internal volume
Greatly, due to using pipeline to connect, pipeline is surround, and bending will cause that pipeline is too long, while the volume inside pipeline becomes larger, and is influenced
Instrument detection accuracy.
Utility model content
The main purpose of the utility model is to provide a kind of tightness tester valve island, it is intended to solve existing leakproofness and survey
The island Shi Yifa is as caused by piping connection the technical issues of low precision.
To achieve the above object, the utility model proposes valve island, comprising:
Valve seat, the valve seat inside are equipped with gas passage, and the gas passage includes first passage, second channel, third
Channel, fourth lane, Five-channel and the 6th channel；
Air inlet and test mouth, the air inlet and test mouth are provided on the valve seat；
And it is installed on air accumulator, vacuum generator, pressure sensor and the electromagnetic valve component on the valve seat top, it is described
Pressure sensor is connected to the gas passage, and the electromagnetic valve component includes the first solenoid valve, second solenoid valve, third electromagnetism
Valve and the 4th solenoid valve；
The air inlet passes through the first passage air inlet with the inlet end of first solenoid valve and second solenoid valve respectively
The outlet side of end connection, first solenoid valve is connected to by the second channel with the Five-channel, second electromagnetism
The outlet side of valve is connected to by the third channel with the vacuum generator, and the inlet end of the third solenoid valve passes through described
Fourth lane is connected to the vacuum generator, and the outlet side of the third solenoid valve passes through the Five-channel and the described 4th
The outlet side of solenoid valve is connected to, and the air accumulator is connected to by the 6th channel with the inlet end of the 4th solenoid valve, and described the
The outlet side of four solenoid valves is connected to the test mouth.
Preferably, the electromagnetic valve component further includes the 5th solenoid valve, and the 5th solenoid valve is three-way magnetic valve；It is described
Gas passage further includes the 7th channel, the 8th channel and the 9th channel, and the inlet end of the 5th solenoid valve is logical with the described 5th
Road connection, one of outlet side of the 5th solenoid valve are connected to the 8th channel, and the 8th channel is in the valve
The side of seat is equipped with exhaust outlet, another gas outlet of the 5th solenoid valve is connected to the 9th channel.
Preferably, the electromagnetic valve component further includes the 6th electromagnetism being arranged between the 5th solenoid valve and test mouth
Valve, the 6th solenoid valve are straight-through electromagnetic valve, and the 6th solenoid valve is connected to the 9th channel.
Preferably, the electromagnetic valve component further includes the 7 be arranged between the test mouth and the 6th solenoid valve
The inlet end of solenoid valve, the 7th solenoid valve is connected to the 9th channel with outlet side, and the 7th solenoid valve is to use
In the solenoid valve for adjusting gas pressure in the 9th channel.
Preferably, the pressure sensor is arranged between the 6th solenoid valve and the 7th solenoid valve, and the pressure passes
Sensor is connected to the 9th channel.
Preferably, first solenoid valve, second solenoid valve, third solenoid valve and the 4th solenoid valve are unidirectional electromagnetism
Valve.
Preferably, the valve island further includes connecting tube, and the vacuum generator and the fourth lane pass through the connection
Pipe connection.
Preferably, the first passage is respectively perpendicular to the second channel and third channel, the fourth lane and
Five-channel is parallel to the first passage, and the 6th channel is parallel to the second channel.
Preferably, the pedestal is integrally formed structures.
In addition, the utility model also proposes a kind of tightness tester, including above-mentioned any valve island.
In the technical solution of the utility model, by the structure for being set as having gas passage to connect the bottom of valve seat,
It is connected between solenoid valve by gas passage, avoids and connect by connector with PU tracheae, improve the air-tightness of tightness tester,
Improve detection accuracy.
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, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the top view on the utility model valve island；
Fig. 2 is the structural schematic diagram of another angle on the utility model valve island.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 1 | Valve seat | 11 | Inlet suction port |
| 12 | Testing tube | 131 | First passage |
| 132 | Second channel | 133 | Third channel |
| 134 | Fourth lane | 135 | Five-channel |
| 136 | 6th channel | 137 | 7th channel |
| 138 | 8th channel | 139 | 9th channel |
| 21 | First solenoid valve | 22 | Second solenoid valve |
| 23 | Third solenoid valve | 24 | 4th solenoid valve |
| 25 | 5th solenoid valve | 26 | 6th solenoid valve |
| 27 | 7th solenoid valve | 3 | Vacuum generator |
| 4 | Air accumulator | 5 | Pressure sensor |
| 6 | Exhaust outlet |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention,
It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also
To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary
Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Based on domain those of ordinary skill can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of this technical solution is not present, also not within the protection scope of the requires of the utility model.
" left and right " and " front and back " of the utility model meaning is on the basis of orientation shown in FIG. 1, and the utility model is signified
" left and right " corresponding diagram 1 left and right orientation, the lower orientation of " preceding " corresponding diagram 1 of the utility model meaning, the utility model is signified
" rear " corresponding diagram 1 upper position." upper and lower " of the utility model meaning is on the basis of orientation shown in Fig. 2, i.e., this is practical
The upper left orientation of the "upper" corresponding diagram 2 of novel meaning, the bottom right orientation of the "lower" corresponding diagram 2 of the utility model meaning.
The utility model proposes a kind of valve islands, as illustrated in fig. 1 and 2, comprising:
Valve seat 1 is equipped with gas passage inside valve seat 1, and gas passage includes first passage 131, second channel 132, third
Channel 133, fourth lane 134, Five-channel 135 and the 6th channel 136；
Air inlet and test mouth, air inlet and test mouth are provided on valve seat 1；
And it is installed on air accumulator 4, vacuum generator 3, pressure sensor 5 and the electromagnetic valve component on 1 top of valve seat, pressure
Sensor 5 is connected to gas passage, and electromagnetic valve component includes the first solenoid valve 21, second solenoid valve 22,23 and of third solenoid valve
4th solenoid valve 24；
Air inlet passes through the inlet end with the inlet end of the first solenoid valve 21 and second solenoid valve 22 respectively of first passage 131
The outlet side of connection, the first solenoid valve 21 is connected to by second channel 132 with Five-channel 135, the outlet of second solenoid valve 22
End is connected to by third channel 133 with vacuum generator 3, and the inlet end of third solenoid valve 23 passes through fourth lane 134 and vacuum
Generator 3 is connected to, and the outlet side of third solenoid valve 23 is connected to by Five-channel 135 with the outlet side of the 4th solenoid valve 24, is stored up
Gas tank 4 is connected to by the 6th channel 136 with the inlet end of the 4th solenoid valve 24, and the outlet side of the 4th solenoid valve 24 and test mouth connect
It is logical.
The electromagnetic valve component of the utility model is connected to by gas passage, is avoided managing using PU, not spliced, improves gas
Close property and measuring accuracy.One inlet suction port 11 is wherein set at air inlet, by inlet suction port 11 from external input gas, is surveyed
Connecting test pipe 12 at mouth is tried, the other end of testing tube 12 is connect with product to be tested or jig.The setting of inlet suction port 11 exists
The top of valve seat 1, and between the first solenoid valve 21 and second solenoid valve 22, the side of valve seat 1 is arranged in test mouth.Pass through
When record debugging when the pressure value and test of pressure sensor 5 pressure sensor 5 test value, compare pressure value and test value
Variation, that is, can determine whether the leakproofness of product or jig to be tested.
When needing to carry out single positive pressure test, second solenoid valve 22, third solenoid valve 24 and the 4th solenoid valve 23, gas are closed
Body enters from air inlet, then enters the first solenoid valve 21 by first passage 131, then logical by second channel 132 and the 5th
Road 135, using pressure sensor 5 and test mouth.When carrying out single negative pressure test, the 4th solenoid valve 24, the first solenoid valve are closed
21, it is vacuumized using vacuum generator 3, the pressure in the island Shi Fa is negative pressure.When carrying out the test of positive pressure volume, the first electromagnetism is opened
Valve 21, air accumulator 4 and the 4th solenoid valve 24 are closed second solenoid valve 22 and third solenoid valve 23, to trial product to be measured or are controlled
Tool fills a certain amount of, positive pressure gas.When carrying out the test of negative pressure volume, pass through second solenoid valve 22, vacuum generator 3, third electricity
The cooperation of magnet valve 23, air accumulator 4, the 4th solenoid valve 24 fills a certain amount of, negative pressure gas to trial product to be measured or jig.
Electromagnetic valve component further includes the 5th solenoid valve 25, and the 5th solenoid valve 25 is three-way magnetic valve；Gas passage further includes
The inlet end in the 7th channel 137, the 8th channel 138 and the 9th channel 139, the 5th solenoid valve 25 is connected to Five-channel 135, the
One of outlet side of five solenoid valves 25 is connected to the 8th channel 138, and the 8th channel 138 is equipped with exhaust in the side of valve seat 1
Mouth 6, another gas outlet of the 5th solenoid valve 25 is connected to the 9th channel 139.Upon completion of the test, exhaust outlet 6 is opened to be vented,
A settable muffler at exhaust outlet 6 avoids the gas atmosphere of discharge too big, manufactures noise.
Electromagnetic valve component further includes the 6th solenoid valve 26 being arranged between the 5th solenoid valve 25 and pressure sensor 5, the
Six solenoid valves 26 are straight-through electromagnetic valve, and the 6th solenoid valve 26 is connected to the 9th channel 139.When the test of being sealed property, close
The 6th solenoid valve 26 is closed close to the port of pressure sensor 5, the 7th solenoid valve 27 can be separated to gas between inlet suction port 11
Gas in the elements such as channel, solenoid valve subtracts unnecessary space, further increases leakproofness and test essence when test
Degree.
Electromagnetic valve component further includes the 7th solenoid valve 27 being arranged between test mouth and pressure sensor 5, the 7th electromagnetism
The inlet end of valve 27 is connected to the 9th channel 139 with outlet side, and the 7th solenoid valve 27 is for adjusting gas in the 9th channel 139
The solenoid valve of body pressure.Avoid traditionally hand pinch pipe regulating gas pressure, it is simple to operate.
Pressure sensor 5 is arranged between the 6th solenoid valve 26 and the 7th solenoid valve 27, pressure sensor 5 and the 9th channel
139 connections.Pressure sensor 5 has been effectively ensured sampled data closer to true environment, has improved test close to trial product to be measured
The science and accuracy of data.Pressure can be adjusted the pressure to needs by the precise pressure regulating valve on regulating seal property tester,
Pressure sensor 5 pressure can be shown on instrument demonstration device, after pressure is regulated can test product leakproofness.Program
Corresponding solenoid valve is opened in control, by test interface to the gas for being filled with test needs in product or test fixture, is then passed through
Cooperation between each solenoid valve, pressure sensor 5 monitor the pressure change in product or the jig of product cooperation to determine to produce
Whether product are qualified.
Precise pressure regulating valve on sealing test instrument is the accuracy in order to guarantee admission pressure, precise pressure regulating valve and air inlet connecting
First 11 link, the adjusting of test pressure is completed by sequence valve island and precise pressure regulating valve cooperation, and test pressure adjusting does not have to
Blocking or hand pinch tracheae to complete manually, more convenient, it is thus also avoided that the pressure for the adjusting that blocking and hand make manually is inaccurate
Really, positive pressure is adjusted test required for pressure by the first solenoid valve of process control 21, the 5th solenoid valve 25, the 6th solenoid valve 26,
7th electronic valve 27, then adjustment precision pressure regulator valve is to needing positive pressure to be tested.Negative pressure, which is adjusted, tests required pressure by program
Second solenoid valve 22, third solenoid valve 23, the 5th solenoid valve 25, the 6th solenoid valve 26, the 7th electronic valve 27 are controlled, then adjusts essence
Close pressure regulator valve is to needing negative pressure to be tested.
Embodiment as one preferred carries out single positive pressure test, to the test fixture for needing product to be tested or cooperation
Fill the barotropic gas of certain pressure, carry out the variation for the gas pressure that high speed analysis monitoring is charged into determine product qualification with
It is no, the first solenoid valve 21, third solenoid valve 23, the 4th solenoid valve 24, the 5th solenoid valve 25, the 6th solenoid valve are controlled by program
26 and pressure sensor 5 (close second solenoid valve 22 and third solenoid valve 24 and the 4th solenoid valve 23, gas from air inlet into
Enter, then enter the first solenoid valve 21 by first passage 131, then by second channel 132 and Five-channel 135, then to the
Seven channels 137 pass through the 6th solenoid valve 26 to the 9th channel 139, by pressure sensor 5, the 7th solenoid valve 27 and test mouth),
Single positive pressure test is automatically performed by the cooperation between them.
As another preferred embodiment, single negative pressure test is carried out, is controlled to the test of need product to be tested or cooperation
Tool fills the negative-pressure gas of certain pressure, carry out the variation for the gas pressure that high speed analysis monitoring is rushed in determine product qualification with
It is no, second solenoid valve 22, third solenoid valve 23, the 4th solenoid valve 24, the 5th solenoid valve 25, the 6th solenoid valve are controlled by program
26 and pressure sensor 5 (close the 4th solenoid valve 24, the first solenoid valve 21 vacuumized using vacuum generator 3, in the island Shi Fa
Pressure be negative pressure), the test of single negative pressure is automatically performed by the cooperation between them.
As another preferred embodiment, the test of positive pressure volume is carried out, to the test for needing product to be tested or cooperation
Jig fills a certain amount of, positive pressure gas, carries out the variation for the gas pressure that high speed analysis monitoring is rushed in determine product qualification
Whether, by the first solenoid valve of process control 21, third solenoid valve 23, the 4th solenoid valve 24, air accumulator 4, the 5th solenoid valve 25,
Six solenoid valves 26 and pressure sensor 5 are automatically performed the test of positive pressure volume by the cooperation between them.
As another preferred embodiment, the test of negative pressure volume is carried out, to the test for needing product to be tested or cooperation
Jig fills a certain amount of, negative pressure gas, carries out the variation for the gas pressure that high speed analysis monitoring is rushed in determine product qualification
Whether, by process control second solenoid valve 22, vacuum generator 3, third solenoid valve 23, the 4th solenoid valve 24, air accumulator 4,
Five solenoid valves 25, the 6th solenoid valve 26 and pressure sensor 5 are automatically performed the test of negative pressure volume by the cooperation between them.
As another preferred embodiment, trace test is carried out, trace test is also one kind of volume test, it is needle
A kind of function of the product development especially small to miscellaneous goods or inner space utilizes 1 the inside gas of valve seat without using air accumulator 4
Body channel is as volume, and a certain amount of to needing the test fixture of product or cooperation to be tested to fill, the gas of certain pressure carries out
High speed analysis monitors the variation for the gas pressure being charged into determine that product is qualified or not.When positive pressure trace test, by program control
Make the first solenoid valve 21, third solenoid valve 23, the 4th solenoid valve 24, the 5th solenoid valve 25, the 6th solenoid valve 26 and pressure sensing
Device 5 completes positive pressure trace test by the cooperation between them.By process control second solenoid valve 22, vacuum generator 3,
Third solenoid valve 23, the 5th solenoid valve 25, the 6th solenoid valve 26 and pressure sensor 5 are completed negative by the cooperation between them
Press trace test.
Therefore, the valve island of the utility model is Full functional valve island, is able to satisfy the demand of different product.
Wherein, the first solenoid valve 21, second solenoid valve 22, third solenoid valve 23 and the 4th solenoid valve 24 are unidirectional electromagnetism
Valve, i.e. guide electromagnetic valve when energization, lift valve rod by electromagnetic force, pilot valve mouth is opened, and solenoid valve epicoele passes through guide at this time
Hole release forms upper low high pressure difference around main valve plug, and under the action of pressure difference, Fluid pressure pushes main valve plug upward
Primary valve is opened in movement；When power-off, under the action of spring force and main valve plug gravity, valve rod resets, guide's bore closure, main valve
Core moves down, and primary valve is closed；Solenoid valve upper cavity pressure increases, and Fluid pressure is pressurizeed to main valve plug, and sealing is more preferable.
Valve island further includes connecting tube (not shown go out), and vacuum generator 3 is connected to fourth lane 134 by connecting tube.Very
Empty generator 3 efficiently, is cleaned, economic, small-sized vacuum element using a kind of novel of positive pressure gas source generation negative pressure.
Preferably, first passage 131 is respectively perpendicular to second channel 132 and third channel 133, fourth lane 134 and
Five-channel 135 is parallel to first passage 131, and the 6th channel 136 is parallel to second channel 132.As shown in Figure 1, air accumulator 4 is arranged
On the right side of the first solenoid valve 21, vacuum generator 3 is located at the rear side of second solenoid valve 22, and third solenoid valve 23 is located at valve seat 1
Middle position, the 4th solenoid valve 24 is located at the right side of the 5th solenoid valve 25, and the 6th solenoid valve 26 is located at the 5th solenoid valve 25
Left side, the 7th channel 137 is parallel with second channel 132, and the 8th channel 138 and the 9th channel 139 are parallel with first passage 131.
Above structure characteristics of compact layout saves space, reduces production cost.Each gas passage is to produce when processing with pedestal junction
Raw hole needs to be plugged, avoids gas leakage.
It is highly preferred that pedestal is integrally formed structures.Overall structure good airproof performance, measuring accuracy are high.
In addition, the utility model also proposes a kind of tightness tester, including above-mentioned arbitrary valve island.The valve island it is specific
Structure is referring to above-described embodiment, since the tightness tester uses whole technical solutions of above-mentioned all embodiments,
At least all beneficial effects brought by the technical solution with above-described embodiment, this is no longer going to repeat them.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the design of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or
Directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of valve island characterized by comprising
Valve seat, is equipped with gas passage inside the valve seat, the gas passage include first passage, second channel, third channel,
Fourth lane, Five-channel and the 6th channel；
Air inlet and test mouth, the air inlet and test mouth are provided on the valve seat；
And it is installed on air accumulator, vacuum generator, pressure sensor and the electromagnetic valve component on the valve seat top, the pressure
Sensor is connected to the gas passage, the electromagnetic valve component include the first solenoid valve, second solenoid valve, third solenoid valve and
4th solenoid valve；
The air inlet is connected with the inlet end of first solenoid valve and the inlet end of second solenoid valve respectively by first passage
Logical, the outlet side of first solenoid valve is connected to by the second channel with the Five-channel, the second solenoid valve
Outlet side is connected to by the third channel with the vacuum generator, and the inlet end of the third solenoid valve passes through the described 4th
Channel is connected to the vacuum generator, and the outlet side of the third solenoid valve passes through the Five-channel and the 4th electromagnetism
The outlet side of valve is connected to, and the air accumulator is connected to by the 6th channel with the inlet end of the 4th solenoid valve, the 4th electricity
The outlet side of magnet valve is connected to the test mouth.
2. valve island as described in claim 1, which is characterized in that the electromagnetic valve component further includes the 5th solenoid valve, and described
Five solenoid valves are three-way magnetic valve；The gas passage further includes the 7th channel, the 8th channel and the 9th channel, the 5th electricity
The inlet end of magnet valve is connected to the Five-channel, and the one of outlet side and the 8th channel of the 5th solenoid valve connect
Logical, the 8th channel is equipped with exhaust outlet in the side of the valve seat, another gas outlet of the 5th solenoid valve with it is described
The connection of 9th channel.
3. valve island as claimed in claim 2, which is characterized in that the electromagnetic valve component further includes being arranged in the 5th electromagnetism
Valve and test mouth between the 6th solenoid valve, the 6th solenoid valve be straight-through electromagnetic valve, the 6th solenoid valve with it is described
The connection of 9th channel.
4. valve island as claimed in claim 3, which is characterized in that the electromagnetic valve component further include setting in the test mouth and
The 7th solenoid valve between 6th solenoid valve, the inlet end of the 7th solenoid valve and outlet side with the 9th channel
Connection, the 7th solenoid valve are the solenoid valve for adjusting gas pressure in the 9th channel.
5. valve island as claimed in claim 4, which is characterized in that pressure sensor setting is in the 6th solenoid valve and the
Between seven solenoid valves, the pressure sensor is connected to the 9th channel.
6. the valve island as described in any one of Claims 1 to 5, which is characterized in that first solenoid valve, the second electromagnetism
Valve, third solenoid valve and the 4th solenoid valve are Unidirectional solenoid valve.
7. the valve island as described in any one of Claims 1 to 5, which is characterized in that the valve island further includes connecting tube, described
Vacuum generator is connected to the fourth lane by the connecting tube.
8. the valve island as described in any one of Claims 1 to 5, which is characterized in that the first passage is respectively perpendicular to institute
Second channel and third channel are stated, the fourth lane and Five-channel are parallel to the first passage, and the 6th channel is flat
Row is in the second channel.
9. the valve island as described in any one of Claims 1 to 5, which is characterized in that the valve seat is integrally formed structures.
10. a kind of tightness tester, which is characterized in that including the valve island as described in any one of claim 1~9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920141917.1U CN209372336U (en) | 2019-01-24 | 2019-01-24 | Valve island and tightness tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920141917.1U CN209372336U (en) | 2019-01-24 | 2019-01-24 | Valve island and tightness tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209372336U true CN209372336U (en) | 2019-09-10 |
Family
ID=67826114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920141917.1U Active CN209372336U (en) | 2019-01-24 | 2019-01-24 | Valve island and tightness tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209372336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465832A (en) * | 2021-06-30 | 2021-10-01 | 深圳卡优思技术有限公司 | Double-pressure air tightness measuring instrument |
-
2019
- 2019-01-24 CN CN201920141917.1U patent/CN209372336U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465832A (en) * | 2021-06-30 | 2021-10-01 | 深圳卡优思技术有限公司 | Double-pressure air tightness measuring instrument |
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