CN206905983U - Pressure-reducing valve air-tightness detection device - Google Patents
Pressure-reducing valve air-tightness detection device Download PDFInfo
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- CN206905983U CN206905983U CN201720604435.6U CN201720604435U CN206905983U CN 206905983 U CN206905983 U CN 206905983U CN 201720604435 U CN201720604435 U CN 201720604435U CN 206905983 U CN206905983 U CN 206905983U
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Abstract
The utility model discloses a kind of pressure-reducing valve air-tightness detection device, including：Frame, valve body fixture, gas pressure detection unit；Valve body fixture includes air inlet blocking device, gas outlet blocking device and placement rack, pressure-reducing valve can be placed at and block the air inlet of pressure-reducing valve, gas outlet on placement rack and respectively by air inlet blocking device, gas outlet blocking device, air inlet blocking device is connected with an air inlet pipe, and gas outlet blocking device is connected to gas pressure detection unit by an escape pipe；Air inlet pipe can be toward the air inlet injection gas of pressure-reducing valve, gas exports after pressure-reducing valve from the gas outlet of pressure-reducing valve, gas pressure detection unit can judge the air-tightness and stable gas pressure situation of pressure-reducing valve by detecting the pressure of escape pipe, gas leakage under each state, air-tightness, stable gas pressure condition detection can be completed, automaticity is high, without manual operation, detection efficiency is high, and the precision and reliability that detect are far above traditional artificial detection means.
Description
Technical field
Gas valve detection field is the utility model is related to, particularly a kind of pressure-reducing valve air-tightness detection device.
Background technology
Pressure-reducing valve is the outlet pressure that inlet pressure is reduced to a certain needs by regulation, and relies on the energy of medium in itself
Amount, outlet pressure is set to keep stable valve automatically.From the viewpoint of hydrodynamics, pressure-reducing valve is that a local resistance can become
The restricting element of change, i.e., by changing orifice size, change the kinetic energy of flow velocity and fluid, cause the different pressure losses, from
And reach the purpose of decompression, in the production process of reality, due to production, assembly technology or part quality problem, decompression has can
Situations such as gas leakage, pressure imbalance can occur, it is directly used in equipment and accident easily occurs, therefore is necessary the gas to pressure-reducing valve
Close performance and stability are detected, and at present, the detection process is typically artificial progress, and the efficiency of detection is low, and easily
There are mistakes and omissions because manual operation is slipped up.
The content of the invention
For overcome the deficiencies in the prior art, the utility model provides a kind of pressure-reducing valve air-tightness detection device.
Technical scheme is used by the utility model solves its technical problem：
Pressure-reducing valve air-tightness detection device, including：
Frame；
Valve body fixture, the valve body fixture are arranged in frame, and it is used for placement positioning pressure-reducing valve；
Gas pressure detection unit, the gas pressure detection unit are arranged in frame；
Wherein, the valve body fixture includes air inlet blocking device, gas outlet blocking device and corresponding with pressure-reducing valve profile
Placement rack, pressure-reducing valve can be placed on placement rack and blocked respectively by air inlet blocking device, gas outlet blocking device
The air inlet of pressure-reducing valve, gas outlet, the air inlet blocking device are connected with an air inlet pipe, and the gas outlet blocking device passes through
One escape pipe is connected to gas pressure detection unit；
The air inlet pipe can be toward the air inlet injection gas of pressure-reducing valve, and gas is after pressure-reducing valve from the gas outlet of pressure-reducing valve
Output, the gas pressure detection unit can judge the airtight implementations of pressure-reducing valve by detecting the pressure of escape pipe.
The air inlet blocking device includes an air inlet and blocks cylinder and be arranged on entering on the push rod of air inlet blocking cylinder
Gas sprue, the air inlet block cylinder and are fixed in frame, and the air inlet sprue is corresponding with the air inlet of pressure-reducing valve and can be by
Air inlet blocks cylinder and is pushed to the air inlet for blocking pressure-reducing valve, and an inlet channel, the air inlet are offered in the air inlet sprue
Passage end is connected to the end face of air inlet sprue and can connected with the air inlet of pressure-reducing valve, and one is provided with the air inlet sprue
The intake pipe connection that can be connected with air inlet pipe, the other end of the inlet channel are connected to intake pipe connection.
A horn-like intake interface corresponding with the air inlet of pressure-reducing valve is offered on the air inlet sprue end face, it is described
Inlet channel is connected to the intake interface.
The gas outlet blocking device includes an outlet and blocks cylinder and be arranged on going out on the push rod of outlet blocking cylinder
Gas sprue, the outlet block cylinder and are fixed in frame, and the outlet sprue is corresponding with the gas outlet of pressure-reducing valve and can be by
Outlet blocks cylinder and is pushed to the gas outlet for blocking pressure-reducing valve, and an outlet passageway, the outlet are offered in the outlet sprue
Passage end is connected to the end face of outlet sprue and can connected with the gas outlet of pressure-reducing valve, and one is provided with the outlet sprue
The outlet interface tube that can be connected with escape pipe, the other end of the outlet passageway are connected to outlet interface tube.
The outlet sprue is arranged in frame by a sliding-rail sliding mechanism slips.
The outlet sprue end face is configured with a pipe and connect, and the pipe connects corresponding with the gas outlet of pressure-reducing valve, and the outlet leads to
Road is connected to the pipe and connect.
A circular trough is offered in the middle part of the placement rack.
The valve body fixture is also configured with a pressing device, and the pressing device, which can compress, is placed on subtracting on placement rack
Pressure valve.
The pressing device includes a stand being arranged in frame, the top pressure cylinder in stand, is arranged on top
Top pressure block on air cylinder, the top pressure block is corresponding with placement rack and can be driven by top pressure cylinder downwards on compression placement rack
Pressure-reducing valve.
The gas pressure detection unit is connected with air inlet pipe and can detect the pressure of air inlet pipe.
The beneficial effects of the utility model are：Pressure-reducing valve air-tightness detection device, including：Frame, valve body fixture, gas pressure
Force checking device；The valve body fixture is arranged in frame, and it is used for placement positioning pressure-reducing valve；The gas pressure detection unit
It is arranged in frame；Wherein, the valve body fixture include air inlet blocking device, gas outlet blocking device and with pressure-reducing valve wheel
Placement rack corresponding to exterior feature, pressure-reducing valve can be placed at and block dress on placement rack and respectively by air inlet blocking device, gas outlet
The air inlet for blocking pressure-reducing valve, gas outlet are put, the air inlet blocking device is connected with an air inlet pipe, and the gas outlet blocks dress
Put and gas pressure detection unit is connected to by an escape pipe；The air inlet pipe can inject gas toward the air inlet of pressure-reducing valve,
Gas exports after pressure-reducing valve from the gas outlet of pressure-reducing valve, and the gas pressure detection unit can be by detecting the pressure of escape pipe
Power judges the air-tightness and stable gas pressure situation of pressure-reducing valve, you can completes gas leakage under each state, air-tightness, stable gas pressure shape
Condition detects, and automaticity is high, and without manual operation, detection efficiency is high, and the precision and reliability that detect are far above traditional
Artificial detection means.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the utility model one embodiment；
Fig. 2 is the structural representation of the valve body fixture of the utility model Fig. 1 embodiments；
Fig. 3 is the schematic cross-section of the air inlet sprue of the utility model Fig. 1 embodiments；
Fig. 4 is the schematic cross-section of the outlet sprue of the utility model Fig. 1 embodiments；
Fig. 5 is the structural representation of second embodiment of the utility model；
Fig. 6 is the structural representation of the valve body fixture of the utility model Fig. 5 embodiments；.
Embodiment
Embodiment one
Referring to figs. 1 to Fig. 4, Fig. 1 to Fig. 4 is the structural representation of first specific embodiment of the utility model, as schemed institute
Show, pressure-reducing valve air-tightness detection device, including：Frame 8, valve body fixture 2, gas pressure detection unit 80；The valve body fixture 2
It is arranged in frame 8, it is used for placement positioning pressure-reducing valve 9；The gas pressure detection unit 80 is arranged in frame.
Wherein, the valve body fixture 2 includes air inlet blocking device 22, gas outlet blocking device 23 and taken turns with pressure-reducing valve 9
Placement rack 21 corresponding to exterior feature, pressure-reducing valve 9 can be placed on placement rack 21 and respectively by air inlet blocking device 22, gas outlet
Blocking device 23 blocks the air inlet of pressure-reducing valve 9, gas outlet, and the air inlet blocking device 22 is connected with an air inlet pipe, described
Gas outlet blocking device 23 is connected to gas pressure detection unit 80 by an escape pipe, and the air inlet pipe can be toward pressure-reducing valve 9
Air inlet injection gas, gas exports after pressure-reducing valve 9 from the gas outlet of pressure-reducing valve 9, the gas pressure detection unit 80
The air-tightness and stable gas pressure situation of pressure-reducing valve can be judged by the situation for the pressure and pressure change for detecting escape pipe, you can
Gas leakage under each state, air-tightness, stable gas pressure condition detection are completed, automaticity is high, without manual operation, detection effect
Rate is high, and the precision and reliability that detect are far above traditional artificial detection means.
Preferably, the air inlet blocking device 22 includes air inlet blocking cylinder 221 and is arranged on air inlet blocking cylinder
Air inlet sprue 222 on 221 push rod, the air inlet block cylinder 221 and are fixed in frame 8, and the air inlet sprue 222 is with subtracting
The air inlet of pressure valve 9 is corresponding and the air inlet that cylinder 221 is pushed to blocking pressure-reducing valve 9 can be blocked by air inlet, and the air inlet is blocked up
Offer an inlet channel 225 in block 222, described one end of inlet channel 225 is connected to the end face of air inlet sprue 222 and can be with
The air inlet of pressure-reducing valve 9 is connected, and an intake pipe connection 223 that can be connected with air inlet pipe is provided with the air inlet sprue 222,
The other end of the inlet channel 225 is connected to intake pipe connection 223, and during work, the air inlet sprue 222 blocks gas by air inlet
Cylinder 221 pushes to the air inlet for blocking pressure-reducing valve 9, and the air inlet pipe is connected to gases at high pressure and produces equipment, passed through by air inlet pipe
Inlet channel 225 injects gases at high pressure toward pressure-reducing valve 9 is interior.
Certainly, in specific implementation process, the air inlet sprue 222 can also coordinate screw body, straight-line electric by motor
Machine etc. drives, and is not described in detail here.
Preferably, as shown in figure 3, to offer one on the end face of air inlet sprue 222 corresponding with the air inlet of pressure-reducing valve 9
Horn-like intake interface 224, the inlet channel 225 is connected to the intake interface 224, due to entering for traditional pressure-reducing valve
Gas port is the joint design using taper or circular arc type, and is configured with sealing ring, and the utility model is horn-like by configuring
Intake interface 224 so that the top pressure of air inlet sprue 222 can be matched in the air inlet of pressure-reducing valve and compresses sealing ring, is prevented
Leak-stopping gas, improve the precision of detection.
Preferably, the gas outlet blocking device 23 includes outlet blocking cylinder 231 and is arranged on outlet blocking cylinder
Outlet sprue 232 on 231 push rod, the outlet block cylinder 231 and are fixed in frame 8, and the outlet sprue 232 is with subtracting
The gas outlet of pressure valve 9 is corresponding and the gas outlet that cylinder 231 is pushed to blocking pressure-reducing valve 9 can be blocked by outlet, and the outlet blocks up
Offer an outlet passageway 235 in block 232, described one end of outlet passageway 235 is connected to the end face of outlet sprue 232 and can be with
The gas outlet of pressure-reducing valve 9 is connected, and an outlet interface tube 233 that can be connected with escape pipe is provided with the outlet sprue 232,
The other end of the outlet passageway 235 is connected to outlet interface tube 233, and during work, the gas after pressure-reducing valve depressurizes is through outlet
Passage 235, escape pipe are connected to gas pressure detection unit 80, by gas pressure detection unit 80 detect outlet pressure and
Gas outlet pressure change situation.
Certainly, in specific implementation process, the outlet sprue 232 can also coordinate screw body, straight-line electric by motor
Machine etc. drives, and is not described in detail here.
Preferably, the outlet sprue 232 is arranged in frame 8 by a sliding-rail sliding mechanism slips, is improved outlet and is blocked up
The mobile accuracy of block 232, in existing gas pressure-reducing valve, the interface of its air inlet is generally large, and its gas outlet is typically
It is connected with gas hose, gas hose is enclosed on gas outlet, so its general bore of gas outlet interface end is smaller, outlet sprue
232 will realize the interfaced precision that must assure that its movement, so the utility model improves outlet by sliding-rail sliding mechanism
The displacement accuracy of sprue 232, ensure that it with the gas outlet precision-fit of pressure-reducing valve, can improve the precision of detection.
Preferably, as shown in figure 4, the end face of outlet sprue 232, which is configured with a pipe, connects 234, the pipe connects 234 and decompression
The gas outlet of valve 9 is corresponding, and the outlet passageway 235 is connected to the pipe and connects 234, and the pipe connects 234, and to be configured with one horn-like
Interface is being configured with seal to guide the gas outlet insertion tube of pressure-reducing valve to connect in pipe connects, and prevents gas leakage.
Preferably, the outlet of the outlet passageway 235 in the outlet sprue 232 is configured with multiple, that is, is configured with multiple
Outlet interface tube 233, each outlet interface tube 233 connect from an escape pipe and are docked to different gas pressure detection units
80, to detect the pressure of decompression valve outlet, pressure oscillation situation, decline of pressure situation, pressure jump situation, pressure balance respectively
The different testing results such as situation.
Preferably, the middle part of placement rack 21 offers a circular trough, with the circular main wheel with traditional gas pressure-reducing valve
Exterior feature is corresponding, and opens up in the both sides of the circular trough U-shaped card mouth corresponding with air inlet, gas outlet respectively, with precision positioning decompression
Valve.
The preferable gas pressure detection unit 80 is connected with air inlet pipe and can detect the pressure of air inlet pipe, to be entered
Outlet pressure is compared with gas outlet pressure, to obtain decompressed condition and pressure balanced condition.
Embodiment two
Reference picture 5, Fig. 6, Fig. 5, Fig. 6 are the structural representations of first specific embodiment of the utility model, as illustrated,
A hood is arranged with the frame 8 in the present embodiment, strengthens the effect of outward appearance, and can preferably protect the gas of inside
Confidential paper.
Preferably, the valve body fixture 2 is also configured with a pressing device 24, and the pressing device 24, which can compress, to be placed on
Pressure-reducing valve 9 on placement rack 21, to prevent pressure-reducing valve from shifting.
Preferably, the pressing device 24 is arranged on the stand 241 in frame 8, the top in stand 241 including one
Air cylinder 242, the top pressure block being arranged on top pressure cylinder 242, the top pressure block is corresponding with placement rack 21 and can be by top pressure gas
Cylinder 242 drives the pressure-reducing valve 9 compressed downwards on placement rack 21, you can completes the compression positioning of pressure-reducing valve, is being embodied certainly
During also motor can be used to coordinate screw body, spur rack mechanism to substitute top pressure cylinder 242, be not described in detail here.
Above to it is of the present utility model preferably implement illustrated, certainly, the utility model can also use with
The different form of above-mentioned embodiment, what those skilled in the art were made on the premise of without prejudice to spirit of the invention etc.
Same conversion or corresponding change, should all belong in the scope of protection of the utility model.
Claims (10)
1. pressure-reducing valve air-tightness detection device, it is characterised in that：Including：
Frame (8)；
Valve body fixture (2), the valve body fixture (2) are arranged in frame (8), and it is used for placement positioning pressure-reducing valve (9)；
Gas pressure detection unit (80), the gas pressure detection unit (80) are arranged in frame；
Wherein, the valve body fixture (2) includes air inlet blocking device (22), gas outlet blocking device (23) and and pressure-reducing valve
(9) placement rack corresponding to profile (21), pressure-reducing valve (9) can be placed on placement rack (21) and blocked respectively by air inlet and filled
Put (22), gas outlet blocking device (23) blocks the air inlet of pressure-reducing valve (9), gas outlet, the air inlet blocking device (22)
It is connected with an air inlet pipe, the gas outlet blocking device (23) is connected to gas pressure detection unit (80) by an escape pipe；
The air inlet pipe can be toward the air inlet injection gas of pressure-reducing valve (9), and gas is after pressure-reducing valve (9) from pressure-reducing valve (9)
Gas outlet exports, and the gas pressure detection unit (80) can judge the gas of pressure-reducing valve (9) by detecting the pressure of escape pipe
Close implementations.
2. pressure-reducing valve air-tightness detection device according to claim 1, it is characterised in that：The air inlet blocking device
(22) the air inlet sprue (222) that an air inlet blocks cylinder (221) and is arranged on the push rod of air inlet blocking cylinder (221) is included,
The air inlet blocks cylinder (221) and is fixed in frame (8), and the air inlet sprue (222) is corresponding with the air inlet of pressure-reducing valve (9)
And cylinder (221) can be blocked by air inlet and is pushed to the air inlet for blocking pressure-reducing valve (9), opened up in the air inlet sprue (222)
There is an inlet channel, described inlet channel one end is connected to the end face of air inlet sprue (222) and can be with the air inlet of pressure-reducing valve (9)
Mouth is connected, and an intake pipe connection (223) that can be connected with air inlet pipe, the air inlet are provided with the air inlet sprue (222)
The other end of passage is connected to intake pipe connection (223).
3. pressure-reducing valve air-tightness detection device according to claim 2, it is characterised in that：Air inlet sprue (222) end
A horn-like intake interface (224) corresponding with the air inlet of pressure-reducing valve (9) is offered on face, the inlet channel is connected to
The intake interface (224).
4. pressure-reducing valve air-tightness detection device according to claim 1, it is characterised in that：The gas outlet blocking device
(23) the outlet sprue (232) that an outlet blocks cylinder (231) and is arranged on the push rod of outlet blocking cylinder (231) is included,
The outlet blocks cylinder (231) and is fixed in frame (8), and the outlet sprue (232) is corresponding with the gas outlet of pressure-reducing valve (9)
And cylinder (231) can be blocked by outlet and is pushed to the gas outlet for blocking pressure-reducing valve (9), opened up in the outlet sprue (232)
There is an outlet passageway, described outlet passageway one end is connected to the end face of outlet sprue (232) and can be with the outlet of pressure-reducing valve (9)
Mouth is connected, and an outlet interface tube (233) that can be connected with escape pipe, the outlet are provided with the outlet sprue (232)
The other end of passage is connected to outlet interface tube (233).
5. pressure-reducing valve air-tightness detection device according to claim 4, it is characterised in that：The outlet sprue (232) is logical
A sliding-rail sliding mechanism slips are crossed to be arranged in frame (8).
6. pressure-reducing valve air-tightness detection device according to claim 4, it is characterised in that：Outlet sprue (232) end
Face is configured with a pipe and connect (234), and the pipe connects that (234) are corresponding with the gas outlet of pressure-reducing valve (9), and the outlet passageway is connected to institute
Pipe is stated to connect (234).
7. pressure-reducing valve air-tightness detection device according to claim 1, it is characterised in that：Opened in the middle part of the placement rack (21)
Provided with a circular trough.
8. pressure-reducing valve air-tightness detection device according to claim 1, it is characterised in that：The valve body fixture (2) is also matched somebody with somebody
A pressing device (24) is equipped with, the pressing device (24) can compress the pressure-reducing valve (9) being placed on placement rack (21).
9. pressure-reducing valve air-tightness detection device according to claim 8, it is characterised in that：The pressing device (24) includes
One stand (241) being arranged in frame (8), the top pressure cylinder (242) in stand (241), it is arranged on top pressure cylinder
(242) the top pressure block on, the top pressure block is corresponding with placement rack (21) and downward compress can be driven to put by top pressure cylinder (242)
Put the pressure-reducing valve (9) on seat (21).
10. pressure-reducing valve air-tightness detection device according to claim 1, it is characterised in that：The gas pressure detection dress
Put the pressure that (80) are connected with air inlet pipe and can detect air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720604435.6U CN206905983U (en) | 2017-05-26 | 2017-05-26 | Pressure-reducing valve air-tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720604435.6U CN206905983U (en) | 2017-05-26 | 2017-05-26 | Pressure-reducing valve air-tightness detection device |
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| Publication Number | Publication Date |
|---|---|
| CN206905983U true CN206905983U (en) | 2018-01-19 |
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ID=61286057
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720604435.6U Active CN206905983U (en) | 2017-05-26 | 2017-05-26 | Pressure-reducing valve air-tightness detection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844690A (en) * | 2018-07-12 | 2018-11-20 | 上海航天设备制造总厂有限公司 | A kind of pressure reducer leak rate test macro and method |
| CN110514368A (en) * | 2019-09-25 | 2019-11-29 | 武汉黎赛科技有限责任公司 | A kind of electric pneumatic valve detection device |
| CN111238803A (en) * | 2020-01-19 | 2020-06-05 | 湖北三江航天红峰控制有限公司 | O-shaped ring sealing structure normal-temperature air tightness test device |
| CN111366311A (en) * | 2020-03-23 | 2020-07-03 | 常熟理工学院 | Air pressure detection device of recovery pressure reducing valve |
| CN112326231A (en) * | 2020-11-07 | 2021-02-05 | 浙江科科检测科技有限公司 | Valve detection method and detection equipment |
-
2017
- 2017-05-26 CN CN201720604435.6U patent/CN206905983U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844690A (en) * | 2018-07-12 | 2018-11-20 | 上海航天设备制造总厂有限公司 | A kind of pressure reducer leak rate test macro and method |
| CN110514368A (en) * | 2019-09-25 | 2019-11-29 | 武汉黎赛科技有限责任公司 | A kind of electric pneumatic valve detection device |
| CN111238803A (en) * | 2020-01-19 | 2020-06-05 | 湖北三江航天红峰控制有限公司 | O-shaped ring sealing structure normal-temperature air tightness test device |
| CN111238803B (en) * | 2020-01-19 | 2022-03-29 | 湖北三江航天红峰控制有限公司 | O-shaped ring sealing structure normal-temperature air tightness test device |
| CN111366311A (en) * | 2020-03-23 | 2020-07-03 | 常熟理工学院 | Air pressure detection device of recovery pressure reducing valve |
| CN112326231A (en) * | 2020-11-07 | 2021-02-05 | 浙江科科检测科技有限公司 | Valve detection method and detection equipment |
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