CN206440424U - The adjustable pneumatic back pressure system of secondary voltage-regulation voltage-stabilization - Google Patents
The adjustable pneumatic back pressure system of secondary voltage-regulation voltage-stabilization Download PDFInfo
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- CN206440424U CN206440424U CN201621447526.5U CN201621447526U CN206440424U CN 206440424 U CN206440424 U CN 206440424U CN 201621447526 U CN201621447526 U CN 201621447526U CN 206440424 U CN206440424 U CN 206440424U
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- valve portion
- port
- valve
- air bag
- voltage
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Abstract
The utility model is related to a kind of adjustable pneumatic back pressure system of secondary voltage-regulation voltage-stabilization, including air bag, stable-pressure device, push rod and valve body, valve body includes the first valve portion and the second valve portion, and first valve portion is three-port structure, the three-port structure first port is inlet end, and side port is gas outlet；On the second port, air bag is correspondingly placed at the second valve portion inner chamber to the assembling of second valve portion correspondence, and push rod one end is contradicted in gasbag ektexine, and the other end stretches to the first valve portion inner chamber；Secondary pressure device is set, voltage stabilizing is carried out to air pressure by two grades of vacuum tanks, voltage regulation result can be further improved；Simultaneously between one-level vacuum tank and two grades of vacuum tanks be provided with regulator, can further pressure regulation, raising system pressure regulating precision, be that later stage measurement is ensured.
Description
Technical field
The utility model is related to a kind of instrument capacity checking device, and in particular to a kind of adjustable pneumatic back of the body of secondary voltage-regulation voltage-stabilization
Pressure system.
Background technology
In the industrial production, substantial amounts of equipment is needed to carry out DATA REASONING by instrument, therefore the precision of instrument is directly closed
The quality of production is tied to, in order to ensure the quality of production, needs to check the precision of instrument before measuring instrumentss are dispatched from the factory, it is existing
Instrument side amount measurement device step it is relatively complicated, check data is not directly perceived enough, check inefficient.
Utility model content
More directly perceived there is provided a kind of Nuclear Data in order to solve the above problems, the high check equipment of measurement efficiency, this practicality is new
Type provides a kind of adjustable pneumatic back pressure system of secondary voltage-regulation voltage-stabilization.
Particular technique content of the present utility model is：A kind of adjustable pneumatic back pressure system of secondary voltage-regulation voltage-stabilization, including
Air bag, stable-pressure device, push rod and valve body, valve body include the first valve portion and the second valve portion, and first valve portion is three-port structure, should
Three-port structure first port is inlet end, and side port is gas outlet；Second valve portion correspondence is assembled on the second port, air bag pair
The second valve portion inner chamber should be placed on, push rod one end is contradicted in gasbag ektexine, and the other end stretches to the first valve portion inner chamber；First valve portion side
Inwall between portion port and first port is provided with ladder platform, and push rod end is provided with the piston body for contradicting the ladder platform；The gas
Capsule air inlet is connected on stable-pressure device after stretching out the second valve portion end face；
The stable-pressure device includes the source of the gas, one-level vacuum tank and two grades of vacuum tanks for being corresponding in turn to connection；Source of the gas is some
The gas cylinder of one-level vacuum tank is connected by same gas pipeline, gas cylinder outlet side is correspondingly provided with stop valve and pressure reducer；One-level is steady
Pressure tank is connected on two grades of vacuum tanks by two pressure-reducing valve correspondences mutually and even, two grades of vacuum tank outlet side correspondence connection gas
Capsule；Two grades of vacuum tank outlet sides are provided with baroceptor, and baroceptor is connected to two by feedback line correspondence and subtracted
In pressure valve.
The ladder platform end face be outer to the inclined inclined plane of the second valve portion, piston body is quality of rubber materials, its side wall with
Ladder platform end face matches；Edge is provided with correspondence in ladder platform, the ladder platform and is equipped with guiding in the second port of first valve portion
Plate；Second valve portion is connected in the first valve portion by Screw assembly, and its inwall is provided with the ladder platform for contradicting guide plate；In guide plate
Portion is provided with pilot hole, and push rod is corresponded to stretches to the first valve portion inner chamber through after pilot hole.
The air bag is spherical, and push rod is contradicted on gasbag ektexine by arc；Second valve portion inner wall of end provided with pair
The through hole provided with correspondence air bag air inlet in the middle part of the arc-shaped base of air bag, arc-shaped base is answered, air bag air inlet is passed through after the through hole
Stretch out the second valve portion end face；Safety valve is correspondingly provided with one-level vacuum tank or two grades of vacuum tanks.
Beneficial effect：
Secondary pressure device is set, voltage stabilizing is carried out to air pressure by two grades of vacuum tanks, voltage regulation result can be further improved；
Simultaneously between one-level vacuum tank and two grades of vacuum tanks be provided with regulator, can further pressure regulation, raising system pressure regulating precision,
Ensured for later stage measurement.
Voltage-stabilizing system is set, the pressure precision of air bag pressure is improved, further improves and checks precision.
Brief description of the drawings
Fig. 1 is voltage-stabilizing system structure diagram；
Fig. 2 is valve body structure sketch；
Fig. 3 is arc-shaped base structure diagram.
1 first port, 2 side ports, 3 piston bodies, 4 push rods, 5 air bags, 6 air bag air inlets, 7 guide plates, 8 arcs in figure
Base, 9 arcs, 10 safety valves, 11 one-level vacuum tanks, 12 2 grades of vacuum tanks, 13 pressure-reducing valves, 14 feedback pipes, 15 stop valves
It is valve body with pressure reducer, 16 gas cylinders, a.
Embodiment
A kind of adjustable pneumatic back pressure system of secondary voltage-regulation voltage-stabilization, referring to Fig. 1-3：Including air bag, stable-pressure device, push rod
And valve body, valve body includes the first valve portion and the second valve portion, and first valve portion is three-port structure, and the three-port structure first port is
Inlet end, side port is gas outlet；On the second port, air bag is correspondingly placed in the second valve portion the assembling of second valve portion correspondence
Chamber, push rod one end is contradicted in gasbag ektexine, and the other end stretches to the first valve portion inner chamber；First valve portion side port and first port it
Between inwall be provided with ladder platform, push rod end provided with contradict the ladder platform piston body；The air bag air inlet stretches out the second valve
It is connected to after end surface on stable-pressure device；
The stable-pressure device includes the source of the gas, one-level vacuum tank and two grades of vacuum tanks for being corresponding in turn to connection；Source of the gas is some
The gas cylinder of one-level vacuum tank is connected by same gas pipeline, gas cylinder outlet side is correspondingly provided with stop valve and pressure reducer；One-level is steady
Pressure tank is connected on two grades of vacuum tanks by two pressure-reducing valve correspondences mutually and even, two grades of vacuum tank outlet side correspondence connection gas
Capsule；Two grades of vacuum tank outlet sides are provided with baroceptor, and baroceptor is connected to two by feedback line correspondence and subtracted
In pressure valve.
The ladder platform end face be outer to the inclined inclined plane of the second valve portion, piston body is quality of rubber materials, its side wall with
Ladder platform end face matches；Edge is provided with correspondence in ladder platform, the ladder platform and is equipped with guiding in the second port of first valve portion
Plate；Second valve portion is connected in the first valve portion by Screw assembly, and its inwall is provided with the ladder platform for contradicting guide plate；In guide plate
Portion is provided with pilot hole, and push rod is corresponded to stretches to the first valve portion inner chamber through after pilot hole.
The air bag is spherical, and push rod is contradicted on gasbag ektexine by arc；Second valve portion inner wall of end provided with pair
The through hole provided with correspondence air bag air inlet in the middle part of the arc-shaped base of air bag, arc-shaped base is answered, air bag air inlet is passed through after the through hole
Stretch out the second valve portion end face；Safety valve is correspondingly provided with one-level vacuum tank or two grades of vacuum tanks.
Meters under test correspondence is connected to the first valve portion of valve body, instrument is opened and pressure is applied to instrument by source of the gas,
Instrument measurement is carried out, instrument forms sealed pressure chamber with piston body, according to reaction force, when instrument and the pressure of piston body formation
When power chamber pressure is equal to or more than air bag chamber pressure, gas push piston displacement body, while gas overflows from side port, root
Contrasted according to the pressure coefficient suffered by air bag during gas overflowing and instrument coefficient, so as to realize check；The present apparatus is simple in construction,
Easy to use, measurement data is more directly perceived effective；The corresponding present apparatus can also be measured to liquid instrument.
Voltage-stabilizing system is set, the pressure precision of air bag pressure is improved, further improves and checks precision；Feedback pipe is set
Road, can effectively improve pressure-reducing valve decompression precision, so as to improve check precision；Arc and arc-shaped base are set, air bag is entered
Row is fixed and protects；Stop valve and pressure reducer are set on gas cylinder, can be needed to carry out gas cylinder quantity according to measurement and outlet air pressure enters
Row adjustment, so as to change output end output pressure, makes the present apparatus scope of application wider.
Claims (5)
1. a kind of adjustable pneumatic back pressure system of secondary voltage-regulation voltage-stabilization, including air bag, stable-pressure device, push rod and valve body, it is special
Levying is：Valve body include the first valve portion and the second valve portion, first valve portion be three-port structure, the three-port structure first port be into
Gas end, side port is gas outlet；On the second port, air bag is correspondingly placed in the second valve portion the assembling of second valve portion correspondence
Chamber, push rod one end is contradicted in gasbag ektexine, and the other end stretches to the first valve portion inner chamber；First valve portion side port and first port it
Between inwall be provided with ladder platform, push rod end provided with contradict the ladder platform piston body；The air bag air inlet stretches out the second valve
It is connected to after end surface on stable-pressure device；
The stable-pressure device includes the source of the gas, one-level vacuum tank and two grades of vacuum tanks for being corresponding in turn to connection；Source of the gas passes through to be some
Same gas pipeline connects the gas cylinder of one-level vacuum tank, and gas cylinder outlet side is correspondingly provided with stop valve and pressure reducer；One-level vacuum tank
It is connected to by two pressure-reducing valve correspondences mutually and even on two grades of vacuum tanks, two grades of vacuum tank outlet side correspondence connection air bags；
Two grades of vacuum tank outlet sides are provided with baroceptor, and baroceptor is connected to two pressure-reducing valves by feedback line correspondence
On.
2. the adjustable pneumatic back pressure system of secondary voltage-regulation voltage-stabilization according to claim 1, it is characterized in that：The ladder platform
End face be outer to the inclined inclined plane of the second valve portion, piston body is quality of rubber materials, and its side wall matches with ladder platform end face.
3. the adjustable pneumatic back pressure system of secondary voltage-regulation voltage-stabilization according to claim 1, it is characterized in that：First valve portion
Edge is provided with correspondence in ladder platform, the ladder platform and is equipped with guide plate in second port；Second valve portion is connected by Screw assembly
In the first valve portion, its inwall is provided with the ladder platform for contradicting guide plate；It is provided with pilot hole in the middle part of guide plate, push rod correspondence is through leading
The first valve portion inner chamber is stretched to after to hole.
4. the adjustable pneumatic back pressure system of secondary voltage-regulation voltage-stabilization according to claim 1, it is characterized in that：The air bag is
Spherical, push rod is contradicted on gasbag ektexine by arc；Second valve portion inner wall of end is provided with the arc-shaped base of correspondence air bag, arc
Through hole provided with correspondence air bag air inlet in the middle part of shape base, air bag air inlet stretches out the second valve portion end face after passing through the through hole.
5. the adjustable pneumatic back pressure system of secondary voltage-regulation voltage-stabilization according to claim 1, it is characterized in that：One-level vacuum tank
Or it is correspondingly provided with safety valve on two grades of vacuum tanks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621447526.5U CN206440424U (en) | 2016-12-27 | 2016-12-27 | The adjustable pneumatic back pressure system of secondary voltage-regulation voltage-stabilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621447526.5U CN206440424U (en) | 2016-12-27 | 2016-12-27 | The adjustable pneumatic back pressure system of secondary voltage-regulation voltage-stabilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206440424U true CN206440424U (en) | 2017-08-25 |
Family
ID=59642072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621447526.5U Expired - Fee Related CN206440424U (en) | 2016-12-27 | 2016-12-27 | The adjustable pneumatic back pressure system of secondary voltage-regulation voltage-stabilization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206440424U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112816383A (en) * | 2020-12-28 | 2021-05-18 | 宁波市华欣建材测试有限公司 | Permeameter |
| CN112815227A (en) * | 2021-01-21 | 2021-05-18 | 北京空间机电研究所 | On-satellite on-line ultra-pure ammonia working medium filling system for two-phase fluid loop system |
-
2016
- 2016-12-27 CN CN201621447526.5U patent/CN206440424U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112816383A (en) * | 2020-12-28 | 2021-05-18 | 宁波市华欣建材测试有限公司 | Permeameter |
| CN112815227A (en) * | 2021-01-21 | 2021-05-18 | 北京空间机电研究所 | On-satellite on-line ultra-pure ammonia working medium filling system for two-phase fluid loop 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: 20170825 Termination date: 20171227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |