CN209654326U - A kind of fluid connector short duration impact flow table - Google Patents
A kind of fluid connector short duration impact flow table Download PDFInfo
- Publication number
- CN209654326U CN209654326U CN201920344634.7U CN201920344634U CN209654326U CN 209654326 U CN209654326 U CN 209654326U CN 201920344634 U CN201920344634 U CN 201920344634U CN 209654326 U CN209654326 U CN 209654326U
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- valve
- accumulator
- displacement pump
- fuel tank
- flow table
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Abstract
The utility model discloses a kind of fluid connector short durations to impact flow table, belongs to connector inspection apparatus field, including controller, the first impulse circuit；First impulse circuit is at least passed sequentially through pipeline series connection closed loop and is formed by fuel tank, constant displacement pump one, check valve one, accumulator, band table pressure reducing valve, high frequency sound ratio throttling unit one, test specimen tooling one；One both ends of test specimen tooling are parallel with differential pressure pickup one；It further include the pressure sensor one for measuring energy storage pressure；The constant displacement pump one, high frequency sound ratio throttling unit one, differential pressure pickup one, pressure sensor one are electrically connected with the controller respectively.A kind of fluid connector short duration of the utility model impacts flow table, can reduce the driving power of constant displacement pump, and reliable operation, response are rapid, easy to operate.
Description
Technical field
The utility model belongs to connector inspection apparatus field, relates in particular to a kind of fluid connector short duration
Impact flow table.
Background technique
In military aircraft and ground maintenance equipment, for improve pipeline overhaul efficiency, reduce disassembly process in water clock and
Pollution to channel interior medium, device has several fluid self-sealing connectors in pipe-line system.Connector male head and mother
When head connection, two-way fluid free flow, after male connector and female disconnection, fluid is closed in connector and pipeline.Connection
The resistance to flow attack flow behavior of device is the important technology performance indicator of product, and correlation test is product reliability and qualification test
Important component.
The testing field country is in blank at present.A kind of fluid connector short duration that we develop impacts flowing
Testing stand can complete my six kinds of latus rectum connector short duration impact flow tests of company DN03~DN16, detect connector
Technical parameter performance whether meet design requirement.
Summary of the invention
The purpose of this utility model is to provide a kind of fluid connector short duration impingement flow in view of the above shortcomings
Dynamic test platform intends to solve how to complete my six kinds of latus rectum connector short duration impact flow tests of company DN03~DN16,
The problem of whether the technical parameter performance of detection connector meets design requirement, and the driving power of constant displacement pump can be reduced, it works
Reliably, it responds rapid, easy to operate.To achieve the above object, the utility model provides the following technical solutions:
A kind of fluid connector short duration impact flow table, including controller, the first impulse circuit；Described
One impulse circuit is at least by fuel tank, constant displacement pump 1, check valve 1, accumulator 11, band table pressure reducing valve 12, high frequency sound ratio section
Stream unit 1, test specimen tooling one pass sequentially through pipeline series connection closed loop and form；One both ends of test specimen tooling are parallel with pressure difference biography
Sensor 1；It further include the pressure sensor 1 for measuring 11 pressure of accumulator；The constant displacement pump 1, high frequency sound ratio
Throttling unit 1, differential pressure pickup 1, pressure sensor 1 are electrically connected with the controller respectively.
Due to above structure, fuel tank is for storing hydraulic oil；Constant displacement pump 1 extracts hydraulic oil out of fuel tank, by unidirectional
Valve 1 is spare to accumulator 11；Check valve 1 prevents hydraulic oil from flowing back；Accumulator 11 is used for hydraulic oil reservoir energy；Work as pressure sensing
When device 1 measures 11 hydraulic oil reservoir of accumulator energy deficiency, information passes to controller, and controller controls constant displacement pump 1 and works,
Hydraulic oil is supplemented for accumulator 11, test not can be carried out at this time, needs to wait for pressure sensor 1 and measures 11 hydraulic oil of accumulator
It meets the requirements；For but directly providing hydraulic oil with constant displacement pump 1 compared to no 11 energy storage of accumulator, the present apparatus can reduce fixed
Amount one 2 driving powers of pump；Hydraulic oil in accumulator 11 passes through band table pressure reducing valve 12 and arrives high frequency sound ratio throttling unit 1, In
During the output of 11 flow of accumulator, internal pressure constantly declines, and stablizes the hydraulic fluid pressure provided with table pressure reducing valve 12 defeated
It is sent to high frequency sound ratio throttling unit 1；High frequency sound ratio throttling unit 1 is for adjusting hydraulic oil to test specimen tooling one
Flow and pressure difference；DN03 ~ 10 are housed by test specimen or DN12 ~ 16 in test specimen tooling one by test specimen；Differential pressure pickup 1 is for adopting
Collect DN03 ~ 10 by test specimen or DN12 ~ 16 by the pressure drop information of test specimen two ends, pressure drop information passes to controller, controller
High frequency sound ratio throttling unit 1 is controlled, accurately to be adjusted to the pressure drop of test specimen tooling one；In short duration impingement flow
In dynamic test, the impact test pressure based on the pressure drop under 25 metered flows is made by adjusting hydraulic oil supply
Met certain release characteristics curve by the relationship of the pressure difference of test specimen two ends and time；It is completed by test specimen male connector to female direction
After 100 Secondary Shocks flow tests, then opposite direction carries out 100 Secondary Shocks flow tests.After impact cycle, visually inspect by test specimen
Whether appearance and sealing element have damage.Accumulator 11 can be one or two or more, but at least meet maximum diameter quilt
The hydraulic oil needed for test specimen.
Further, the pipeline between the constant displacement pump 1 and check valve 1 is equipped with branch pipeline one；The branch pipeline
One is equipped with electromagnetic relief valve 4, and leads to fuel tank；Electromagnetic relief valve 4 is electrically connected with the controller.
Due to above structure, when pressure sensor 1 measures 11 hydraulic oil reservoir of accumulator energy deficiency, information is passed to
Controller, controller control constant displacement pump 1 and work, and supplement hydraulic oil for accumulator 11, electromagnetic relief valve 4 can be to avoid constant displacement pump
One 2 are transported to the hypertonia of accumulator 11, guarantee the safety of equipment；When pressure sensor 1 measures 11 hydraulic oil of accumulator
When energy storage is enough, electromagnetic relief valve 4 is fully opened, and hydraulic oil directly returns to fuel tank from constant displacement pump 1 through electromagnetic relief valve 4,
One 2 frequent start-stop of constant displacement pump is avoided, the service life of constant displacement pump 1 is improved；Since electromagnetic relief valve 4 fully opens, hydraulic oil
Fuel tank is returned to from constant displacement pump 1 through electromagnetic relief valve 4 without resistance, reaches energy-efficient purpose.
Further, string has service valve between the accumulator 11 and check valve 1.
Due to above structure, when needing to overhaul accumulator 11, service valve is closed, pipeline is disconnected；Usually service valve is
Normally opened, hydraulic oil is from check valve 1 through service valve to accumulator 11.
Further, the pipeline between the accumulator 11 and service valve is equipped with branch pipeline two；In the branch pipeline two
Equipped with hand-operated valve one, and lead to fuel tank.
Due to above structure, hand-operated valve one is used for manual draining, and hydraulic oil in accumulator 11 can be made from hand-operated valve one
Oil return box is let out completely.
Further, one both ends of hand-operated valve are parallel with overflow valve one；The service valve, hand-operated valve one and overflow valve one
Constitute the safe valve group 8 of accumulator.
Due to above structure, overflow valve one avoids 11 hypertonia of accumulator to protect accumulator 11.
Further, pressure gauge 1 is equipped between the hand-operated valve one and accumulator 11.
Due to above structure, pressure gauge 1 can observe the pressure value of accumulator 11 instantly in equipment in real time.
Further, one 16 both ends of differential pressure pickup pass through manual ball valve 1 respectively and manual ball valve 2 17 is in parallel
At one both ends of test specimen tooling.
Due to above structure, when needing replacing differential pressure pickup 1, manual ball valve 1 and manual ball is turned off manually
Valve 2 17, avoids hydraulic fluid leak.
Further, pressure sensor two is equipped between the high frequency sound ratio throttling unit 1 and test specimen tooling one
14；The pressure sensor 2 14 and controller electrical connection.
Due to above structure, controller can be equipped with peripheral display device, and the pressure information that pressure sensor 2 14 acquires is real
When pass to controller, controller control peripheral display device is shown.
Further, first impulse circuit is respectively equipped with filter 1 and filter 2 48 in fuel tank in-out end；Institute
It states and is successively installed with filter 36 and filter 47 between check valve 1 and accumulator 11.
Due to above structure, it is equipped with filter 1 in fuel tank inlet side, filtering enters the impurity of pipeline；DN03 ~ 10 are by test specimen
Or DN12 ~ 16 by test specimen in replacement process, impurity may be introduced, fuel tank outlet be equipped with filter 2 48, filtering enter
The impurity of fuel tank；Filter 36 is coarse filtration, and filter 47 is thin filtering, and hydraulic oil is pure in guarantee follow-up equipment.
It further, further include cooling circuit；The cooling circuit is at least by fuel tank, constant displacement pump 2 29, air cooler 32
Pipeline series connection closed loop is passed sequentially through to form；Pipeline between the constant displacement pump 2 29 and air cooler 32 is equipped with branch pipeline three；
The branch pipeline three is equipped with overflow valve 2 31, and leads to fuel tank；Filter five is equipped between the fuel tank and constant displacement pump 2 29
33；The constant displacement pump 2 29, air cooler 32 and controller electrical connection；The fuel tank is equipped with bimetallic thermometer 44, liquid level
Switch 45, liquidometer 46 and air cleaner 47；The bimetallic thermometer 44, liquid-level switch 45 and controller electrical connection.
Due to above structure, air cooler 32 carries out circulation temperature lowering to the hydraulic oil in fuel tank；Overflow valve 2 31 prevents cold
But the hypertonia in circuit；The filtering of filter 5 33 enters the impurity of pipeline；Bimetallic thermometer 44 is for measuring liquid in fuel tank
Pressure oil temperature, when the temperature is excessively high, controller control cooling circuit work；Liquidometer 46 is high for measuring hydraulic oil in fuel tank
Degree；When hydraulic oil excessive height in fuel tank or it is too low when, controller control 45 cut-off equipment of liquid-level switch operation；Fuel tank and atmosphere
Connection is equipped with air cleaner 47, crosses the impurity in air filtering.Test specimen tooling one is removably connected on pipeline, pipe interface
It is upper to have compensator, so that pipeline axial length is had certain adjusting, stomidium diameter is consistent with pipe interface aperture one by one for test specimen tooling, separately
One end aperture is consistent with by test specimen aperture, and both ends aperture reduces the pressure loss by conical surface transition.
The beneficial effects of the utility model are:
1. the utility model discloses a kind of fluid connector short durations to impact flow table, my company is completed
Six kinds of latus rectum connector short durations of DN03~DN16 impact flow test, and whether the technical parameter performance for detecting connector is full
The problem of sufficient design requirement, and the driving power of constant displacement pump can be reduced, reliable operation, response are rapid, easy to operate.
Detailed description of the invention
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model by test specimen, test specimen tooling, pipe interface schematic diagram；
In attached drawing: 2- constant displacement pump one, 29- constant displacement pump two, 5- check valve one, 11- accumulator, 12- band table pressure reducing valve, 13-
High frequency sound ratio throttling unit one, 16- differential pressure pickup one, 4- electromagnetic relief valve, the safe valve group of 8- accumulator, 9- pressure gauge
One, 15- manual ball valve one, 17- manual ball valve two, 10- pressure sensor one, 14- pressure sensor two, 1- filter one, 48-
Filter two, 6- filter three, 7- filter four, 33- filter five, 32- air cooler, 31- overflow valve two, 44- bimetallic
Thermometer, 45- liquid-level switch, 46- liquidometer, 47- air cleaner.
Specific embodiment
With reference to the accompanying drawing with specific embodiment, the utility model is further described, but the utility model
It is not limited to following embodiment.
Embodiment one:
See attached drawing 1 ~ 2.A kind of fluid connector short duration impact flow table, including controller, the first impact
Circuit；First impulse circuit is at least by fuel tank, constant displacement pump 1, check valve 1, accumulator 11, band table pressure reducing valve 12, height
Frequency response ratio throttling unit 1, test specimen tooling one pass sequentially through pipeline series connection closed loop and form；One both ends of test specimen tooling are simultaneously
It is associated with differential pressure pickup 1；It further include the pressure sensor 1 for measuring 11 pressure of accumulator；The constant displacement pump 1,
High frequency sound ratio throttling unit 1, differential pressure pickup 1, pressure sensor 1 are electrically connected with the controller respectively.
Due to above structure, fuel tank is for storing hydraulic oil；Constant displacement pump 1 extracts hydraulic oil out of fuel tank, by unidirectional
Valve 1 is spare to accumulator 11；Check valve 1 prevents hydraulic oil from flowing back；Accumulator 11 is used for hydraulic oil reservoir energy；Work as pressure sensing
When device 1 measures 11 hydraulic oil reservoir of accumulator energy deficiency, information passes to controller, and controller controls constant displacement pump 1 and works,
Hydraulic oil is supplemented for accumulator 11, test not can be carried out at this time, needs to wait for pressure sensor 1 and measures 11 hydraulic oil of accumulator
It meets the requirements；For but directly providing hydraulic oil with constant displacement pump 1 compared to no 11 energy storage of accumulator, the present apparatus can reduce fixed
Amount one 2 driving powers of pump；Hydraulic oil in accumulator 11 passes through band table pressure reducing valve 12 and arrives high frequency sound ratio throttling unit 1, In
During the output of 11 flow of accumulator, internal pressure constantly declines, and stablizes the hydraulic fluid pressure provided with table pressure reducing valve 12 defeated
It is sent to high frequency sound ratio throttling unit 1；High frequency sound ratio throttling unit 1 is for adjusting hydraulic oil to test specimen tooling one
Flow and pressure difference；DN03 ~ 10 are housed by test specimen or DN12 ~ 16 in test specimen tooling one by test specimen；Differential pressure pickup 1 is for adopting
Collect DN03 ~ 10 by test specimen or DN12 ~ 16 by the pressure drop information of test specimen two ends, pressure drop information passes to controller, controller
High frequency sound ratio throttling unit 1 is controlled, accurately to be adjusted to the pressure drop of test specimen tooling one；In short duration impingement flow
In dynamic test, the impact test pressure based on the pressure drop under 25 metered flows is made by adjusting hydraulic oil supply
Met certain release characteristics curve by the relationship of the pressure difference of test specimen two ends and time；It is completed by test specimen male connector to female direction
After 100 Secondary Shocks flow tests, then opposite direction carries out 100 Secondary Shocks flow tests.After impact cycle, visually inspect by test specimen
Whether appearance and sealing element have damage.Accumulator 11 can be one or two or more, but at least meet maximum diameter quilt
The hydraulic oil needed for test specimen.
Embodiment two:
See attached drawing 1 ~ 2.On the basis of example 1, the pipeline between the constant displacement pump 1 and check valve 1 is equipped with
Branch pipeline one；The branch pipeline one is equipped with electromagnetic relief valve 4, and leads to fuel tank；Electromagnetic relief valve 4 is electrically connected with the controller.
Due to above structure, when pressure sensor 1 measures 11 hydraulic oil reservoir of accumulator energy deficiency, information is passed to
Controller, controller control constant displacement pump 1 and work, and supplement hydraulic oil for accumulator 11, electromagnetic relief valve 4 can be to avoid constant displacement pump
One 2 are transported to the hypertonia of accumulator 11, guarantee the safety of equipment；When pressure sensor 1 measures 11 hydraulic oil of accumulator
When energy storage is enough, electromagnetic relief valve 4 is fully opened, and hydraulic oil directly returns to fuel tank from constant displacement pump 1 through electromagnetic relief valve 4,
One 2 frequent start-stop of constant displacement pump is avoided, the service life of constant displacement pump 1 is improved；Since electromagnetic relief valve 4 fully opens, hydraulic oil
Fuel tank is returned to from constant displacement pump 1 through electromagnetic relief valve 4 without resistance, reaches energy-efficient purpose.
String has service valve between the accumulator 11 and check valve 1.Due to above structure, when needing to overhaul accumulator 11
When, service valve is closed, pipeline is disconnected；Usually service valve is normally opened, and hydraulic oil is from check valve 1 through service valve to accumulator
11。
Pipeline between the accumulator 11 and service valve is equipped with branch pipeline two；The branch pipeline two is equipped with hand-operated valve
One, and lead to fuel tank.Due to above structure, hand-operated valve one is used for manual draining, and hydraulic oil in accumulator 11 can be made from hand
Dynamic valve one lets out oil return box completely.
One both ends of hand-operated valve are parallel with overflow valve one；The service valve, hand-operated valve one and overflow valve one constitute accumulation of energy
The safe valve group 8 of device.Due to above structure, overflow valve one avoids 11 hypertonia of accumulator to protect accumulator 11.
Pressure gauge 1 is equipped between the hand-operated valve one and accumulator 11.Due to above structure, pressure gauge 1 can be real
When the pressure value instantly of accumulator 11 is observed in equipment.
One 16 both ends of differential pressure pickup pass through manual ball valve 1 respectively and manual ball valve 2 17 is connected in parallel on test specimen work
Fill a both ends.Due to above structure, when needing replacing differential pressure pickup 1, manual ball valve 1 and manual ball is turned off manually
Valve 2 17, avoids hydraulic fluid leak.
Pressure sensor 2 14 is equipped between the high frequency sound ratio throttling unit 1 and test specimen tooling one；The pressure
Sensor 2 14 and controller electrical connection.Due to above structure, controller can be equipped with peripheral display device, pressure sensor 2 14
The pressure information real-time delivery of acquisition is shown to controller, controller control peripheral display device.
First impulse circuit is respectively equipped with filter 1 and filter 2 48 in fuel tank in-out end；The check valve
Filter 36 and filter 47 are successively installed between one 5 and accumulator 11.Due to above structure, filtering is equipped in fuel tank inlet side
Device 1, filtering enter the impurity of pipeline；DN03 ~ 10 by test specimen or DN12 ~ 16 by test specimen in replacement process, may introduce
Impurity is equipped with filter 2 48 in fuel tank outlet, and filtering enters the impurity of fuel tank；Filter 36 is coarse filtration, filter 47
Carefully to filter, hydraulic oil is pure in guarantee follow-up equipment.
Embodiment three:
See attached drawing 1 ~ 2.It on the basis of example 2, further include cooling circuit；The cooling circuit is at least by fuel tank, fixed
Amount pump 2 29, air cooler 32 pass sequentially through pipeline series connection closed loop and form；Between the constant displacement pump 2 29 and air cooler 32
Pipeline is equipped with branch pipeline three；The branch pipeline three is equipped with overflow valve 2 31, and leads to fuel tank；The fuel tank and constant displacement pump two
Filter 5 33 is equipped between 29；The constant displacement pump 2 29, air cooler 32 and controller electrical connection；The fuel tank is equipped with double
Metallic thermometer 44, liquid-level switch 45, liquidometer 46 and air cleaner 47；The bimetallic thermometer 44, liquid-level switch 45
It is electrically connected with controller.
Due to above structure, air cooler 32 carries out circulation temperature lowering to the hydraulic oil in fuel tank；Overflow valve 2 31 prevents cold
But the hypertonia in circuit；The filtering of filter 5 33 enters the impurity of pipeline；Bimetallic thermometer 44 is for measuring liquid in fuel tank
Pressure oil temperature, when the temperature is excessively high, controller control cooling circuit work；Liquidometer 46 is high for measuring hydraulic oil in fuel tank
Degree；When hydraulic oil excessive height in fuel tank or it is too low when, controller control 45 cut-off equipment of liquid-level switch operation；Fuel tank and atmosphere
Connection is equipped with air cleaner 47, crosses the impurity in air filtering.Test specimen tooling one is removably connected on pipeline, pipe interface
It is upper to have compensator, so that pipeline axial length is had certain adjusting, stomidium diameter is consistent with pipe interface aperture one by one for test specimen tooling, separately
One end aperture is consistent with by test specimen aperture, and both ends aperture reduces the pressure loss by conical surface transition.
The constant displacement pump, check valve, accumulator, band table pressure reducing valve, high frequency sound ratio throttling unit, pressure difference of the utility model pass
Sensor, electromagnetic relief valve, pressure gauge, manual ball valve, pressure sensor, filter, air cooler, overflow valve, bi-metal temperature
What meter, liquid-level switch, liquidometer, air cleaner etc. can be bought on the market arrives, and principle repeats no more.Such as accumulator
Model NXQ-AB-63/31.5-L-Y is selected, controller selects PLC etc..
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,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of fluid connector short duration impacts flow table, it is characterised in that: including controller, the first impact
Circuit；First impulse circuit is at least depressurized by fuel tank, constant displacement pump one (2), check valve one (5), accumulator (11), band table
Valve (12), high frequency sound ratio throttling unit one (13), test specimen tooling one pass sequentially through pipeline series connection closed loop and form；The test specimen work
It fills a both ends and is parallel with differential pressure pickup one (16)；It further include the pressure sensor one for measuring accumulator (11) pressure
(10)；The constant displacement pump one (2), high frequency sound ratio throttling unit one (13), differential pressure pickup one (16), pressure sensor one
(10) it is electrically connected with the controller respectively.
2. a kind of fluid connector short duration according to claim 1 impacts flow table, it is characterised in that: institute
The pipeline stated between constant displacement pump one (2) and check valve one (5) is equipped with branch pipeline one；The branch pipeline one is equipped with electromagnetism overflow
Valve (4), and lead to fuel tank；Electromagnetic relief valve (4) is electrically connected with the controller.
3. a kind of fluid connector short duration according to claim 1 impacts flow table, it is characterised in that: institute
Stating string between accumulator (11) and check valve one (5) has service valve.
4. a kind of fluid connector short duration according to claim 3 impacts flow table, it is characterised in that: institute
The pipeline stated between accumulator (11) and service valve is equipped with branch pipeline two；The branch pipeline two is equipped with hand-operated valve one, and leads to
To fuel tank.
5. a kind of fluid connector short duration according to claim 4 impacts flow table, it is characterised in that: institute
It states one both ends of hand-operated valve and is parallel with overflow valve one；The service valve, hand-operated valve one and overflow valve one constitute the safe valve group of accumulator
(8).
6. a kind of fluid connector short duration according to claim 5 impacts flow table, it is characterised in that: institute
It states and is equipped with pressure gauge one (9) between hand-operated valve one and accumulator (11).
7. a kind of fluid connector short duration according to claim 1 impacts flow table, it is characterised in that: institute
State that differential pressure pickup one (16) both ends pass through manual ball valve one (15) respectively and manual ball valve two (17) is connected in parallel on test specimen tooling one
Both ends.
8. a kind of fluid connector short duration according to claim 1 impacts flow table, it is characterised in that: institute
It states and is equipped with pressure sensor two (14) between high frequency sound ratio throttling unit one (13) and test specimen tooling one；The pressure sensor
Two (14) and controller electrical connection.
9. a kind of fluid connector short duration according to claim 1 impacts flow table, it is characterised in that: institute
It states the first impulse circuit and is respectively equipped with filter one (1) and filter two (48) in fuel tank in-out end；The check valve one (5) and
Accumulator is successively installed with filter three (6) and filter four (7) between (11).
10. a kind of fluid connector short duration impact flow table, feature described according to claim 1 ~ one of 9
It is: further includes cooling circuit；The cooling circuit is at least passed sequentially through by fuel tank, constant displacement pump two (29), air cooler (32)
Pipeline series connection closed loop forms；Pipeline between the constant displacement pump two (29) and air cooler (32) is equipped with branch pipeline three；It is described
Branch pipeline three is equipped with overflow valve two (31), and leads to fuel tank；Filter five is equipped between the fuel tank and constant displacement pump two (29)
(33)；The constant displacement pump two (29), air cooler (32) and controller electrical connection；The fuel tank is equipped with bimetallic thermometer
(44), liquid-level switch (45), liquidometer (46) and air cleaner (47)；The bimetallic thermometer (44), liquid-level switch
(45) it is electrically connected with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920344634.7U CN209654326U (en) | 2019-03-19 | 2019-03-19 | A kind of fluid connector short duration impact flow table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920344634.7U CN209654326U (en) | 2019-03-19 | 2019-03-19 | A kind of fluid connector short duration impact flow table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209654326U true CN209654326U (en) | 2019-11-19 |
Family
ID=68527378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920344634.7U Expired - Fee Related CN209654326U (en) | 2019-03-19 | 2019-03-19 | A kind of fluid connector short duration impact flow table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209654326U (en) |
-
2019
- 2019-03-19 CN CN201920344634.7U patent/CN209654326U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |