CN209354713U - A kind of nitrogen envelope direct-operated regulator adjusted suitable for ultra low pressure - Google Patents
A kind of nitrogen envelope direct-operated regulator adjusted suitable for ultra low pressure Download PDFInfo
- Publication number
- CN209354713U CN209354713U CN201822234707.5U CN201822234707U CN209354713U CN 209354713 U CN209354713 U CN 209354713U CN 201822234707 U CN201822234707 U CN 201822234707U CN 209354713 U CN209354713 U CN 209354713U
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- Prior art keywords
- valve
- membrane cover
- valve body
- cover
- ultra low
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Abstract
The utility model provides a kind of nitrogen envelope direct-operated regulator adjusted suitable for ultra low pressure, including valve body, valve seat is equipped in the valve body, one end of the valve body is equipped with end cap, the valve body is equipped with valve deck far from one end of end cap, the valve deck is connected with lower membrane cover and covers end in lower film far from valve body end is connected with upper membrane cover, the inside of the lower membrane cover and upper membrane cover is equipped with diaphragm, it is equipped in the end cap through valve body and valve seat and the valve rod extending between lower membrane cover and upper membrane cover, the diaphragm is fixed on one end of valve rod, the upper membrane cover is connected with spring shield far from the end of lower membrane cover, one end of the spring shield is equipped with look nut cover and is equipped with pressure regulation screw rod in look nut cover, the pressure regulation screw rod is equipped with mounting disc far from the end of look nut cover and is equipped with spring in mounting disc.A kind of nitrogen adjusted suitable for ultra low pressure provided by the utility model seals direct-operated regulator, and compact-sized, adjusting is sensitive, and use occasion is wide, and range of regulation has specific aim.
Description
Technical field
The utility model relates to a kind of pressure-regulating valves to automatically adjust by medium pressure itself, do not need any hold
Row device is suitable for 0.2KPA-5KPA ultra low pressure and adjusts occasion from valve inner pressure.
Background technique
At present in self-contained pressure regulator on the market, major applications are external pressures, pass through the stainless steel tube of 8mm
Pressure, range of regulation are substantially the type higher than 10KPA, are not applied for low pressure occasion.And direct-operated regulator relative to
Manual modulation valve, its advantages are can to automatically adjust；Relative to electric control valve, its advantages are not need external impetus.
Application practice proves, in closed-loop water system (such as hot-water heating system, air conditioning water system), proper use of this valve
Door, can easily realize the assignment of traffic of system；The dynamic equilibrium of system may be implemented；The tune of system can be greatly simplified
Trial work is made；The working condition etc. of pump can be stablized.
Utility model content
For above-mentioned deficiency in the prior art, the utility model provides a kind of nitrogen envelope adjusted suitable for ultra low pressure
Direct-operated regulator, compact-sized, adjusting is sensitive, is suitble to place wide, facilitates popularization.
In order to reach above-mentioned purpose of utility model, the technical solution adopted in the utility model are as follows:
A kind of nitrogen envelope direct-operated regulator adjusted suitable for ultra low pressure, including valve body, the valve body is interior to be equipped with valve seat,
One end of the valve body is equipped with end cap, and the valve body is equipped with valve deck far from one end of end cap, and the valve deck is connected far from valve body end
There is lower membrane cover and cover end in lower film and be connected with upper membrane cover, the inside of the lower membrane cover and upper membrane cover is equipped with diaphragm, the end cap
It is interior to be equipped with through valve body and valve seat and the valve rod extending between lower membrane cover and upper membrane cover, the diaphragm are fixed on the one of valve rod
End, the upper membrane cover are connected with spring shield far from the end of lower membrane cover, and one end of the spring shield is equipped with for rotating pressure regulation
Look nut cover and in look nut cover be equipped with pressure regulation screw rod, the pressure regulation screw rod far from look nut cover end be equipped with peace
It sabot and is equipped in mounting disc for providing the spring of pressure to diaphragm, the pressure regulation screw rod and mounting disc contact jaw are equipped with axis
It holds.
Further, the bearing is plane bearing.
Further, the diaphragm thickness is 1mm.
Further, the valve seat is processed using PTFE.
Further, the close valve seat end of the valve rod is equipped with core assembly.
The utility model has the following beneficial effects:
The utility model is compact structure and easy to use, and using the diaphragm of 1mm thickness, valve rod is directly through diaphragm, and movement is more
Sensitive, valve seat is processed using PTFE, and sealing is more reliable, carries out internal pressure regulation, has and adjust sensitiveer, the wider array of spy of use occasion
Point, the more targeted feature of range of regulation are equipped with look nut cover on device, can be adjusted by rotation to spring
Power, so that the elastic force of adjustment spring, easy to adjust, plane bearing can get high loadability and high rigid under the space of very little
Degree, use are of long duration.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
The appended drawing reference table of comparisons:
Membrane cover under 1- valve body, 2- valve seat, 3- end cap, 4- valve deck, 5-, the upper membrane cover of 6-, 7- diaphragm, 8- valve rod, 9- spring shield,
10- look nut cover, 11- pressure regulation screw rod, 12- mounting disc, 13- spring, 14- bearing, 15- core assembly.
Specific embodiment
Further illustrate specific embodiment of the present utility model with reference to the accompanying drawing.Wherein identical components phase
Same appended drawing reference indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "upper" and
"lower" refers to that the direction in attached drawing, word "inner" and "outside" refer respectively to the side towards or away from geometric center of specific component
To.
In order to make the content of the utility model be easier to be clearly understood, below in conjunction in the utility model embodiment
Attached drawing, the technical scheme in the utility model embodiment is clearly and completely described.
As shown in Figure 1, a kind of nitrogen adjusted suitable for ultra low pressure seals direct-operated regulator, including valve body 1, the valve body
Valve seat 2 is equipped in 1, one end of the valve body 1 is equipped with end cap 3, and the valve body 1 is equipped with valve deck 4 far from one end of end cap 3, described
Valve deck 4 is connected with lower membrane cover 5 far from 1 end of valve body and is connected with upper membrane cover 6, the lower membrane cover 5 and upper membrane cover in lower 5 upper end of membrane cover
6 inside is equipped with diaphragm 7, is equipped in the end cap 3 through valve body 1 and valve seat 2 and extend between lower membrane cover 5 and upper membrane cover 6
Valve rod 8, the diaphragm 7 is fixed on one end of valve rod 8, and the upper membrane cover 6 is connected with spring shield 9 far from the end of lower membrane cover 5,
One end of the spring shield 9 is equipped with for rotating the look nut cover 10 of pressure regulation and in look nut cover 10 equipped with pressure regulation screw rod
11, the pressure regulation screw rod 11 is equipped with mounting disc 12 far from the end of look nut cover 10 and is equipped in mounting disc 12 for film
Piece 7 provides the spring 13 of pressure, and the pressure regulation screw rod 11 is equipped with bearing 14 with 12 contact jaw of mounting disc.
The bearing 14 is plane bearing.
The diaphragm 7 is with a thickness of 1mm.
The valve seat 2 is processed using PTFE.
2 end of close valve seat of the valve rod 8 is equipped with core assembly 15.
In the device use process, valve rod 8 links together after stretching out valve body 1 with the diaphragm 7 in pressure-regulating device, separately
Outer membrane 7 is connected in spring 13 square thereon, in this way, medium acts on film, and the power on 7 is immediately when pressure medium increases
It increases, diaphragm 7 is greater than the downward active force of spring 13 by upward power, and diaphragm 7 moves upwards, and makes the spring of 7 top of diaphragm
13 are squeezed upwards, while core assembly being driven to move up, and reduce the aperture of valve seat 2, and then make valve export end
Pressure medium reduces, and after pressure medium reduces, diaphragm 7 is less than the active force of spring 13 by upward power, and diaphragm 7 is transported downwards
It is dynamic, while core assembly being driven to move downward, increase the aperture of valve seat 2, to make the pressure medium at valve export end increase, no
Pipe is pressure rise or reduction, stablizes pressure medium in setting value.
The foregoing is merely the preferred embodiment of the utility model patent, it is not intended to limit the utility model specially
Benefit, all made any modifications, equivalent replacements, and improvements etc. within the spirit and principle of the utility model patent should all include
Within the protection scope of the utility model patent.
Claims (5)
1. a kind of nitrogen adjusted suitable for ultra low pressure seals direct-operated regulator, including valve body (1), which is characterized in that the valve
Valve seat (2) are equipped in body (1), one end of the valve body (1) is equipped with end cap (3), the one end of the valve body (1) far from end cap (3)
Equipped with valve deck (4), the valve deck (4) is connected with lower membrane cover (5) and is connected in lower membrane cover (5) upper end far from valve body (1) end
Membrane cover (6), the lower membrane cover (5) and the inside of upper membrane cover (6) are equipped with diaphragm (7), are equipped in the end cap (3) and run through valve body
(1) and valve seat (2) and the valve rod (8) extending between lower membrane cover (5) and upper membrane cover (6), the diaphragm (7) are fixed on valve rod
(8) one end, the upper membrane cover (6) are connected with spring shield (9) far from the end of lower membrane cover (5), one end of the spring shield (9)
Pressure regulation screw rod (11) are equipped with equipped with the look nut cover (10) for rotating pressure regulation and in look nut cover (10), the pressure regulation
Screw rod (11) is equipped with mounting disc (12) far from the end of look nut cover (10) and is equipped on mounting disc (12) for diaphragm
(7) spring (13) of pressure is provided, the pressure regulation screw rod (11) and mounting disc (12) contact jaw are equipped with bearing (14).
2. a kind of nitrogen adjusted suitable for ultra low pressure according to claim 1 seals direct-operated regulator, it is characterised in that:
The bearing (14) is plane bearing.
3. a kind of nitrogen adjusted suitable for ultra low pressure according to claim 1 seals direct-operated regulator, it is characterised in that:
The diaphragm (7) is with a thickness of 1mm.
4. a kind of nitrogen adjusted suitable for ultra low pressure according to claim 1 seals direct-operated regulator, it is characterised in that:
The valve seat (2) is processed using PTFE.
5. a kind of nitrogen adjusted suitable for ultra low pressure according to claim 1 seals direct-operated regulator, it is characterised in that:
Close valve seat (2) end of the valve rod (8) is equipped with core assembly (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822234707.5U CN209354713U (en) | 2018-12-28 | 2018-12-28 | A kind of nitrogen envelope direct-operated regulator adjusted suitable for ultra low pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822234707.5U CN209354713U (en) | 2018-12-28 | 2018-12-28 | A kind of nitrogen envelope direct-operated regulator adjusted suitable for ultra low pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209354713U true CN209354713U (en) | 2019-09-06 |
Family
ID=67801288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822234707.5U Expired - Fee Related CN209354713U (en) | 2018-12-28 | 2018-12-28 | A kind of nitrogen envelope direct-operated regulator adjusted suitable for ultra low pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209354713U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506022A (en) * | 2018-12-28 | 2019-03-22 | 重庆新华林自控仪表有限公司 | A kind of nitrogen envelope direct-operated regulator adjusted suitable for ultra low pressure |
-
2018
- 2018-12-28 CN CN201822234707.5U patent/CN209354713U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506022A (en) * | 2018-12-28 | 2019-03-22 | 重庆新华林自控仪表有限公司 | A kind of nitrogen envelope direct-operated regulator adjusted suitable for ultra low pressure |
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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: 20190906 Termination date: 20211228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |