CN207850672U - Pneumatic element test device - Google Patents
Pneumatic element test device Download PDFInfo
- Publication number
- CN207850672U CN207850672U CN201820158019.2U CN201820158019U CN207850672U CN 207850672 U CN207850672 U CN 207850672U CN 201820158019 U CN201820158019 U CN 201820158019U CN 207850672 U CN207850672 U CN 207850672U
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- pipeline
- pneumatic element
- switch valve
- air accumulator
- valve
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Abstract
The utility model is related to a kind of pneumatic element test devices, including vacuum generator, air accumulator and test splice.Vacuum generator is connect by the second pipeline with air accumulator for being connect with gas supply mechanism by the first pipeline.When needing to carry out negative pressure test to pneumatic element to be measured, pneumatic element to be measured is installed on test splice, and open first switch valve, second switch valve and third switch valve, the gas in such gas supply mechanism is entered by the first pipeline in vacuum generator.Since vacuum generator and air accumulator pass through the second pipeline connection, therefore, there are draught heads for the gas in gas and vacuum generator in air accumulator, gas in air accumulator can flow to vacuum generator by the second pipeline, the air pressure in air accumulator is caused to reduce to form subnormal ambient, so as to give pneumatic element to be measured to provide negative pressure test environment.In this way, replacing vacuum pump using vacuum generator, so as to reduce cost, and convenient for control vacuum values.
Description
Technical field
The utility model is related to pneumatic element technical field of measurement and test, more particularly to a kind of pneumatic element test device.
Background technology
Traditional pneumatic element, such as vacuum switch, pressure switch, controllable check valve, counnter attack exhalation check valve, swing door non-return
Valve, ball valve, vacuum generator etc. are required to simulation use environment and are tested for the property before the use.Common test mode
It is that air source is adjusted to corresponding measuring air pressure with pressure regulator valve to test pneumatic element, negative pressure test mode then needs to use
Vacuum pump vacuumizes provides subnormal ambient for pneumatic element test.However, traditional vacuum pump cost is higher, cannot preferably control
Vacuum values processed.
Invention content
Based on this, it is necessary to overcome the deficiencies of existing technologies, provide a kind of pneumatic element test device, it can be reduced into
This, can be convenient for control vacuum values.
Its technical solution is as follows：A kind of pneumatic element test device, including：Vacuum generator, air accumulator, the vacuum hair
For being connect with gas supply mechanism by the first pipeline, the vacuum generator is connected raw device by the second pipeline and the air accumulator
It connects, first switch valve is provided on first pipeline, second switch valve is provided on second pipeline；And test splice,
Third switch valve is provided on the test splice, the test splice is for installing pneumatic element to be measured.
Above-mentioned pneumatic element test device will be to be measured pneumatic when needing to carry out negative pressure test to pneumatic element to be measured
Element is installed on test splice, and opens first switch valve, second switch valve and third switch valve, in such gas supply mechanism
Gas is entered by the first pipeline in vacuum generator.Since vacuum generator and air accumulator are by the second pipeline connection, because
This, there are draught head, the gas in air accumulator can pass through the second pipeline for the gas in gas and vacuum generator in air accumulator
Vacuum generator is flowed to, the air pressure in air accumulator is caused to reduce to form subnormal ambient, it is negative so as to give pneumatic element to be measured to provide
Press test environment.In this way, replacing vacuum pump using vacuum generator, so as to reduce cost, and convenient for control vacuum values.
Further, the air accumulator is additionally operable to through third piping connection to the gas supply mechanism, the third pipeline
On be provided with the 4th switch valve.
Further, the positive pressure for obtaining the air accumulator air pressure inside size is provided on the air accumulator lateral wall
Table and vacuum table, the positive pressure table are equipped with and are connected to or disconnect with the air accumulator for controlling the test pipeline of the positive pressure table
The first ball valve, the vacuum table be equipped be connected to or disconnect with the air accumulator for controlling the test pipeline of the vacuum table
The second ball valve.
Further, the test splice is two or more；One of them described test splice is quick connector；The survey
Head of trying by quick union with the pneumatic element to be measured for being connect.
Further, the pneumatic element test device further includes pressure regulator valve, and the pressure regulator valve is used for and the gas supply
Mechanism connects, and first pipeline is connected in parallel to the pressure regulator valve with the third pipeline.
Further, the pneumatic element test device further includes control cabinet, and the pressure regulator valve is arranged in the control
On case, the vacuum generator, first pipeline, second pipeline, the third pipeline are arranged at the control cabinet
It is interior, intake interface and ventilation interface are provided on the control cabinet, the intake interface for being connect with gas supply mechanism, it is described into
Gas interface is connect by the first tracheae with the pressure regulator valve；Second pipeline is connected in parallel to described logical with the third pipeline
Gas interface, the ventilation interface by the second tracheae with the air accumulator for being connected to.
Further, air supply valve and injection cock, the first switch valve, second switch are provided on the control cabinet
Valve and the 4th switch valve are solenoid valve, and the air supply valve is used to control the first switch valve and the second switch valve is equal
It closes, and control the 4th switch valve is opened；The injection cock is for controlling the first switch valve and described second
Switch valve is opened, and control the 4th switch valve is closed.
Further, pressure gauge is provided on the control cabinet, the pressure gauge is for obtaining on first tracheae
Pressure size.
Further, the control cabinet is equipped with power switch, and whether the power switch is for controlling the control cabinet
Connect external power supply.
Further, the control cabinet is installed in by holder on the air accumulator.
Description of the drawings
Fig. 1 is the rough schematic view of the pneumatic element test device described in the utility model embodiment；
Fig. 2 is the pumping operating diagram of the pneumatic element test device described in the utility model embodiment；
Fig. 3 is the gas supply operating diagram of the pneumatic element test device described in the utility model embodiment；
Fig. 4 is the structural schematic diagram of the pneumatic element test device described in the utility model embodiment.
Reference numeral：
10, vacuum generator, 20, air accumulator, 30, test splice, the 41, first pipeline, the 42, second pipeline, 43, third pipe
Road, 51, first switch valve, 52, second switch valve, 53, third switch valve, the 54, the 4th switch valve, 55, pressure regulator valve, 61, positive pressure
Table, the 611, first ball valve, 62, vacuum table, the 621, second ball valve, 70, control cabinet, 71, intake interface, 72, ventilation interface, 73,
Air supply valve, 74, injection cock, 75, pressure gauge, 76, spare interface, 77, holder, 78, positive pressure display lamp, 79, negative pressure shows
Lamp, 80, silencer, 90, power switch.
Specific implementation mode
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings to this
The specific implementation mode of utility model is described in detail.Elaborate many details in order to abundant in the following description
Understand the utility model.But the utility model can be much to implement different from other manner described here, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
In the description of the present invention, it should be understood that term " first ", " second " are used for description purposes only, and
It should not be understood as indicating or imply relative importance or implicitly indicate the quantity of indicated technical characteristic.It defines as a result,
The feature of " first ", " second " can explicitly or implicitly include at least one of the features.In the description of the present invention,
The meaning of " plurality " is at least two, such as two, three etc., unless otherwise specifically defined.
In the description of the present invention, it should be understood that when an element is considered as " connection " another element,
It can be directly to another element or may be simultaneously present intermediary element.On the contrary, when element be referred to as " direct " and
When another element connection, intermediary element is not present.
In one embodiment, it please refers to Fig.1 and Fig. 2, a kind of pneumatic element test device, including vacuum generator 10,
Air accumulator 20 and test splice 30.The vacuum generator 10 is described true for being connect with gas supply mechanism by the first pipeline 41
Empty generator 10 is connect by the second pipeline 42 with the air accumulator 20.It is provided with first switch valve on first pipeline 41
51, second switch valve 52 is provided on second pipeline 42.Third switch valve 53 is provided on the test splice 30, it is described
Test splice 30 is for installing pneumatic element to be measured.
Above-mentioned pneumatic element test device will be to be measured pneumatic when needing to carry out negative pressure test to pneumatic element to be measured
Element is installed on test splice 30, and opens first switch valve 51, second switch valve 52 and third switch valve 53, is supplied in this way
Gas in mechanism is entered by the first pipeline 41 in vacuum generator 10.Since vacuum generator 10 and air accumulator 20 pass through
Second pipeline 42 is connected to, and therefore, there are draught head, air accumulators 20 for the gas in gas and vacuum generator 10 in air accumulator 20
Interior gas can flow to vacuum generator 10 by the second pipeline 42, and the air pressure in air accumulator 20 is caused to reduce to form negative pressure ring
Border, so as to give pneumatic element to be measured to provide negative pressure test environment.In this way, vacuum pump is replaced using vacuum generator 10, to
Cost can be reduced, and convenient for control vacuum values.
In addition, together refering to Fig. 3, further, the air accumulator 20 is additionally operable to be connected to by third pipeline 43 described
Gas supply mechanism.It is provided with the 4th switch valve 54 on the third pipeline 43.In this way, when needing to carry out positive pressure to pneumatic element to be measured
When test, then pneumatic element to be measured is installed on test splice 30, and opens third switch valve 53 and the 4th switch valve 54, closed
First switch valve 51 and second switch valve 52 are closed, such gas supply mechanism is entered in air accumulator 20 by third pipeline 43, caused
Air pressure in air accumulator 20 increases to form positive pressure environment, so as to give pneumatic element to be measured to provide positive pressure test environment.
Further, it together refering to Fig. 4, is provided on 20 lateral wall of the air accumulator for obtaining in the air accumulator 20
The positive pressure table 61 of portion's air pressure size and vacuum table 62.The positive pressure table 61 is equipped with the testing tube for controlling the positive pressure table 61
The first ball valve 611 that road is connected to or disconnects with the air accumulator 20, the vacuum table 62 are equipped with for controlling the vacuum table
The second ball valve 621 that 62 test pipeline is connected to or disconnects with the air accumulator 20.In this way, when air accumulator 20 provides positive pressure test
When environment, the first ball valve 611 is opened, and positive pressure table 61 is detected the positive pressure in air accumulator 20, is ensured in air accumulator 20 just
Pressure meets the requirements, and the second ball valve 621 is closed at this time, and positive air pressure in air accumulator 20 is avoided to damage vacuum table 62；Conversely, working as gas storage
When tank 20 provides negative pressure test environment, the second ball valve 621 is opened, and vacuum table 62 is detected the negative pressure in air accumulator 20, is protected
Negative pressure in card air accumulator 20 meets the requirements, and the first ball valve 611 is closed at this time, and negative pressure in air accumulator 20 is avoided to damage positive pressure
Table 61.In addition, positive pressure table 61 can show that air pressure size in air accumulator 20 with vacuum table 62, can preferably test to be measured pneumatic
The air tightness performance of element.
Specifically, the test splice 30 is two or more.In this way, more than two test splices 30 can install same specification
Two or more pneumatic elements to be measured, can realize the synchronism detection work to more than two pneumatic elements to be measured so that test and imitate
Rate is improved.In addition, one of them described test splice 30 is quick connector.Quick connector can be convenient for inserting to connect soon
Head, it is easy to operate in order to install pneumatic element to be measured.In addition, the test splice 30 be used for by quick union with it is described
Pneumatic element connection to be measured.Quick union is convenient for pneumatic element to be measured being installed up on test splice 30.And the type of quick union
There are many number, the pneumatic element to be measured of different size is adapted to, the pneumatic element to be measured of plurality of specifications test can be installed up to and connect
Test operation is carried out on first 30.
In one embodiment, the pneumatic element test device further includes pressure regulator valve 55.The pressure regulator valve 55 is used for
It is connect with the gas supply mechanism, first pipeline 41 is connected in parallel to the pressure regulator valve 55 with the third pipeline 43.In this way,
The gas that pressure regulator valve 55 can control gas supply mechanism enters pressure size in the first pipeline 41, third pipeline 43, can limit
It is more than preset value to make the air pressure in the first pipeline 41, third pipeline 43.For example, when to 20 air supplying operation of air accumulator, work as pressure regulator valve
55 when being adjusted to 500KPa, after gas supply mechanism is inflated by third pipeline 43 to air accumulator 20, in third pipeline 43 and air accumulator 20
Air pressure do not exceed 500KPa.
Further, the pneumatic element test device further includes control cabinet 70.The pressure regulator valve 55 is arranged described
On control cabinet 70, the vacuum generator 10, first pipeline 41, second pipeline 42, the third pipeline 43 are all provided with
It sets in the control cabinet 70.Intake interface 71 and ventilation interface 72 are provided on the control cabinet 70.The intake interface 71
For being connect with gas supply mechanism, the intake interface 71 is connect by the first tracheae with the pressure regulator valve 55.Second pipeline
42 are connected in parallel to the ventilation interface 72 with the third pipeline 43, and the ventilation interface 72 is used to pass through the second tracheae and institute
State the connection of air accumulator 20.In addition, being provided with spare interface 76 on control cabinet 70.
Further, air supply valve 73 and injection cock 74 are provided on the control cabinet 70.The first switch valve 51,
Second switch valve 52 and the 4th switch valve 54 are solenoid valve, the air supply valve 73 for control the first switch valve 51 with
The second switch valve 52 is turned off, and control the 4th switch valve 54 is opened.The injection cock 74 is for controlling institute
It states first switch valve 51 to open with the second switch valve 52, and control the 4th switch valve 54 is closed.In this way, when pressing
When lower air supply valve 73, first switch valve 51 can be controlled and be turned off with second switch valve 52, and the 4th switch valve 54 of control
It opens, is supplied at this time to air accumulator 20, form positive pressure test environment；When pressing injection cock 74, first can be controlled
Switch valve 51 is opened with the second switch valve 52, and control the 4th switch valve 54 is closed, and gives air accumulator 20 at this time
It is evacuated, forms negative pressure test environment.First switch valve 51, second switch valve 52, the 4th switch valve 54 are turned on and off
It operates more convenient.
Further, pressure gauge 75 is provided on the control cabinet 70, the pressure gauge 75 is for obtaining first gas
Pressure size on pipe.In this way, after obtaining by pressure gauge 75 and show the pressure size on the first tracheae, regulation and control can be convenient for
Pressure regulator valve 55.
Further, the control cabinet 70 is equipped with power switch 90, and the power switch 90 is for controlling the control
Whether case 70 connects external power supply.In this way, after power switch 90 disconnects, control cabinet 70 is just stopped, without test operation；
After power switch 90 is opened, dependence test operation is just carried out.
In one embodiment, the control cabinet 70 is installed in by holder 77 on the air accumulator 20.
In addition, being additionally provided with positive pressure display lamp 78 and negative pressure display lamp 79 on the control cabinet 70.When air accumulator 20 is used for
When carrying out positive pressure test to pneumatic element, the positive pressure display lamp 78 lights；When air accumulator 20 is for bearing pneumatic element
When pressure test, negative pressure display lamp 79 lights.In this way, positive pressure display lamp 78 can play suggesting effect with negative pressure display lamp 79.Separately
Outside, vacuum generator 10 can also be connected with silencer 80.Silencer 80 can reduce the noise generated during steam extraction.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of pneumatic element test device, which is characterized in that including：
Vacuum generator, air accumulator, the vacuum generator by the first pipeline with gas supply mechanism for being connect, the vacuum hair
Raw device is connect by the second pipeline with the air accumulator, and first switch valve, second pipeline are provided on first pipeline
On be provided with second switch valve；And
Test splice is provided with third switch valve on the test splice, and the test splice is for installing pneumatic element to be measured.
2. pneumatic element test device according to claim 1, which is characterized in that the air accumulator is additionally operable to pass through third
Piping connection is provided with the 4th switch valve to the gas supply mechanism on the third pipeline.
3. pneumatic element test device according to claim 2, which is characterized in that be provided on the air accumulator lateral wall
Positive pressure table and vacuum table for obtaining the air accumulator air pressure inside size, the positive pressure table be equipped with for control it is described just
The first ball valve that the test pipeline of pressure table is connected to or disconnects with the air accumulator, the vacuum table are equipped with described negative for controlling
The second ball valve that the test pipeline of pressure table is connected to or disconnects with the air accumulator.
4. pneumatic element test device according to claim 2, which is characterized in that the test splice is two or more；
One of them described test splice is quick connector；The test splice is used for through quick union and the pneumatic element to be measured
Connection.
5. the pneumatic element test device according to claim 2 to 4 any one, which is characterized in that further include pressure regulator valve,
For the pressure regulator valve for being connect with the gas supply mechanism, first pipeline is connected in parallel to the pressure regulation with the third pipeline
Valve.
6. pneumatic element test device according to claim 5, which is characterized in that further include control cabinet, the pressure regulator valve
It is arranged on the control cabinet, the vacuum generator, first pipeline, second pipeline, the third pipeline are all provided with
It sets in the control cabinet, intake interface and ventilation interface is provided on the control cabinet, the intake interface is used for and gas supply
Mechanism connects, and the intake interface is connect by the first tracheae with the pressure regulator valve；Second pipeline and the third pipeline
It is connected in parallel to the ventilation interface, the ventilation interface by the second tracheae with the air accumulator for being connected to.
7. pneumatic element test device according to claim 6, which is characterized in that be provided with gas supply on the control cabinet and open
Pass and injection cock, the first switch valve, second switch valve and the 4th switch valve are solenoid valve, and the air supply valve is used for
It controls the first switch valve to be turned off with the second switch valve, and control the 4th switch valve is opened；The injection
Switch is opened for controlling the first switch valve with the second switch valve, and control the 4th switch valve is closed.
8. pneumatic element test device according to claim 6, which is characterized in that be provided with pressure on the control cabinet
Table, the pressure gauge are used to obtain the pressure size on first tracheae.
9. pneumatic element test device according to claim 6, which is characterized in that the control cabinet is opened equipped with power supply
It closes, the power switch is for controlling whether the control cabinet connects external power supply.
10. pneumatic element test device according to claim 6, which is characterized in that the control cabinet is installed by holder
On the air accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820158019.2U CN207850672U (en) | 2018-01-30 | 2018-01-30 | Pneumatic element test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820158019.2U CN207850672U (en) | 2018-01-30 | 2018-01-30 | Pneumatic element test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207850672U true CN207850672U (en) | 2018-09-11 |
Family
ID=63413516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820158019.2U Expired - Fee Related CN207850672U (en) | 2018-01-30 | 2018-01-30 | Pneumatic element test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207850672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811812A (en) * | 2020-08-18 | 2020-10-23 | 苏州市永伟工贸有限公司 | Breather valve detection device and system |
-
2018
- 2018-01-30 CN CN201820158019.2U patent/CN207850672U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811812A (en) * | 2020-08-18 | 2020-10-23 | 苏州市永伟工贸有限公司 | Breather valve detection device and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20210130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |