CN208967047U - differential pressure automatic regulating valve - Google Patents
differential pressure automatic regulating valve Download PDFInfo
- Publication number
- CN208967047U CN208967047U CN201821303234.3U CN201821303234U CN208967047U CN 208967047 U CN208967047 U CN 208967047U CN 201821303234 U CN201821303234 U CN 201821303234U CN 208967047 U CN208967047 U CN 208967047U
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- Prior art keywords
- valve
- rod
- automatic regulating
- flap
- pressure difference
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- Safety Valves (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a pressure differential automatic regulating valve belongs to the valve control field, include: a valve stem 7 and a valve body 1. The valve body 1 comprises a fixed block 10 and a fixed seat 6 which are connected with each other; the valve rod 7 comprises a limiting rod 8, a fixing ring 17, at least two parallel connecting rods 15 and a pressure rod 16; the limiting rod 8 is arranged at the center of the top end of the valve rod 7, and the limiting rod 8 is sleeved with a spring 9; a fixing ring 17 is provided on the outer surface wall of the tip end of the valve stem 7; the first end of the connecting rod 15 is arranged on the fixing ring 17, and the second end of the connecting rod 15 is connected with a pressure rod 16; the fixed block 10 is provided with a through hole for accommodating the connection rod 15, a first end of the connection rod 15 is located inside the valve body 1, a second end of the connection rod 15 passes through the through hole and is located outside the valve body 1, and the connection rod 15 is configured to slide up and down relative to the fixed block 10. The problem that the valve rod adjustability of the differential pressure automatic regulating valve in the related art is poor can be solved.
Description
Technical field
This application involves valve technology field more particularly to a kind of pressure difference automatic regulating valve fields.
Background technique
In fluid delivery pipeline, water return pipeline, water supply pipe and bypass line etc. are generally comprised.People are in order to ensure pipe
The stable operation on road is installed pressure difference automatic regulating valve usually in the pipelines such as water return pipeline, bypass line and bypass line, is used to
The flow deviation as caused by pressure oscillation in pipeline is eliminated, thus the pressure difference at constant inlet end and outlet end.
Pressure difference automatic regulating valve is made of components such as valve body, valve rod, flap, water inlet pipe, outlet pipe and springs.In related skill
In art, pressure difference automatic regulating valve changes by fluid media (medium) pressure itself, promotes valve rod to move back and forth, changes the big of fluid channel
It is small, it is automatic to eliminate the changes in flow rate as caused by pressure oscillation in pipeline.
There is valve rod controllability difference in spring failure in pressure difference automatic regulating valve in the related technology.
Summary of the invention
The utility model provides a kind of pressure difference automatic regulating valve, and the pressure difference that can be used for solving in the related technology is adjusted automatically
Save valve, in spring failure, the problem of valve rod controllability difference.The technical solution is as follows:
One aspect according to the present utility model provides a kind of pressure difference automatic regulating valve, the pressure difference automatic regulating valve
It include: valve rod and valve body.
It include fixed block interconnected and fixing seat on valve body.
Valve rod includes gag lever post, fixed ring, at least two parallel connecting rods and compression bar.
Gag lever post is arranged at the center on the top of valve rod, and spring is socketed on gag lever post.
Fixed ring is arranged on the appearance wall on the top of valve rod.
The first end of connecting rod is arranged in fixed ring, is connected with compression bar in the second end of connecting rod.
Fixed block is provided with the through-hole for accommodating connecting rod, and the first end of connecting rod is located in valve body, and the of connecting rod
Two ends pass through through-hole and are located at outside valve body, and connecting rod is configured as sliding up and down relative to fixed block.
In some possible embodiments, the first end of at least two connecting rods is evenly distributed in fixed ring.
In some possible embodiments, be also formed in the bottom end of valve rod: flap is provided with sealing ring on flap.
The first area of section of the flap bottom end of flap in the horizontal plane is less than second section of flap top in the horizontal plane
Face area.
In some possible embodiments, the cross sectional shape of flap in vertical direction is trapezoidal.
In some possible embodiments, in valve body further include: valve opening, fixing seat, gasket, water inlet pipe and draining
Pipe.
The junction of water inlet pipe and drainpipe, is provided with valve opening；Valve opening is for accommodating flap, the shape phase of valve opening and flap
Matching.
Fixing seat is provided with the screw hole for accommodating fixing bolt；Fixing seat is bolted with fixed block.
The outside for being located at valve rod in fixed block internal backplane is arranged in gasket.
Water inlet pipe and drainpipe are to pour integral structure, and the lower section of drainpipe is arranged in water inlet pipe.
In some possible embodiments, water inlet pipe is internally provided with pressure sensor, the appearance wall setting of valve body
There is pressure gauge.
The output end of pressure sensor and the input terminal of pressure gauge are electrically connected.
In some possible embodiments, fixing seat is connect with fixed block by fixing bolt.
The attainable beneficial effect of technical solution institute provided by the utility model includes at least:
At center by the top that gag lever post is arranged in valve rod, it is socketed with spring on gag lever post, fixed ring is arranged
On the appearance wall on the top of valve rod.The first end of connecting rod is arranged in fixed ring, and pressure is connected in the second end of connecting rod
Bar.The first end of connecting rod is located in valve body, and the second end of connecting rod passes through through-hole and is located at outside valve body, and connecting rod is configured as
It is slided up and down relative to fixed block.User can lift manually or by moulded rod, so that regulating valve stem, drives flap to open
Or close valve orifice, solve the problems, such as that the controllability of the valve rod of pressure difference automatic regulating valve is poor.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram for the automatic pressure-difference valve that the illustrative examples of the application provide；
Fig. 2 is the structural schematic diagram of the valve rod for the automatic pressure-difference valve that the illustrative examples of the application provide；
Fig. 3 is showing for the movement travel of the valve rod for the automatic pressure-difference valve that the illustrative examples of the application provide
It is intended to；
Fig. 4 is the shape of the vertical cross-section of the flap for the automatic pressure-difference valve that the illustrative examples of the application provide
Shape schematic diagram；
Fig. 5 is the structural schematic diagram for the automatic pressure-difference valve that the illustrative examples of the application provide；
Fig. 6 is half planing surface figure of the automatic pressure-difference valve that the illustrative examples of the application provide.
Label in attached drawing is respectively as follows:
1, valve body；2, water inlet pipe；3, drainpipe；4, pressure sensor；5, valve opening；6, fixing seat；7, valve rod；8, it limits
Bar；9, spring；10, fixed block；11, fixing bolt；12, gasket；13, flap；14, sealing ring；15, connecting rod；16, it presses
Bar；17, fixed ring；18, pressure gauge.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with attached drawing to the application embodiment party
Formula is described in further detail.
Fig. 1 is the structural schematic diagram for the pressure difference automatic regulating valve that the illustrative examples of the application provide.The pressure difference
Automatic regulating valve includes: valve body 1 and valve rod 7.
It include fixed block 10 interconnected and fixing seat 6 on valve body 1.
Valve rod 7 includes: the parallel connecting rod 15 of gag lever post 8, spring 9, fixed ring 17, at least two, compression bar 16, flap 13
With sealing ring 14, as shown in Figure 2.
Gag lever post 8 is fixed at the center on the top of valve rod 7, and spring 9 is socketed on gag lever post 8.Fixed form
For one of connection types such as welding, socket and fastener.Gag lever post is used to limit the stroke S of the up and down motion of valve rod 7, stroke
S refers to the distance of fixed ring 17 to 10 inner bottom of fixed block, as described in Figure 3.
Fixed ring 17 is welded on the appearance wall on the top of valve rod 7, on the one hand for limiting the shift length of valve rod 7, separately
On the one hand for connecting rod 15 to be arranged.
Optionally, fixed ring 17 and the setting of valve rod 7 are integrated.
The first end of connecting rod 15 is arranged in fixed ring 17, and compression bar 16 is connected in the second end of connecting rod 15.Connection
The connection type of bar 15 and fixed ring 17, connecting rod and compression bar 16 includes a kind of in welding, riveting, bolt and fastener.
In the present embodiment, the quantity of connecting rod 15 is 2, symmetrical to be distributed in fixed ring 17, optionally, even
The quantity of extension bar 15 is at least 2, and is evenly distributed in fixed ring 17.For example, in some embodiments, connecting rod 15
Quantity is 4, and the first end of 4 connecting rods 15 is evenly distributed in 12 positions, 3 positions, 6 positions of fixed ring 17
With 9 positions.Straight line where connecting rod 15 is perpendicular to the plane where fixed ring 17.
In the present embodiment, compression bar 16 is the iron bar of rectangle.Optionally, compression bar 16 can be handle or it is other convenient for push
Handle.
Fixed block 10 is provided with the through-hole for accommodating connecting rod 15, and the first end of connecting rod 15 is located in valve body 1, connection
The second end of bar 15 passes through through-hole and is located at outside valve body 1, and connecting rod 15 is configured as sliding up and down relative to fixed block 10.
The top of valve body 1 is arranged in fixing seat 6, and fixing seat 6 is provided with screw hole, for accommodating fixing bolt.
In some embodiments, it is provided with screw hole at the top center of fixing seat 6, is provided on compression bar 16 and the screw hole phase
Matched screw hole, for accommodating positioning bolt.
The bottom end of valve rod 7 is formed with: flap 13, is provided with sealing ring 14 on flap 13.
Optionally, flap 13 is fixed together by one of fixed forms such as welding, screw bolt and nut with valve rod 7.
The first area of section of the flap bottom end of flap in the horizontal plane is less than second section of flap top in the horizontal plane
Face area.
The cross sectional shape of flap in vertical direction be it is trapezoidal, be chosen as triangle.
In some embodiments, the cross sectional shape of flap in vertical direction is convex shape, as shown in Figure 4.
In conclusion pressure difference automatic regulating valve provided in this embodiment, by the top that gag lever post is arranged in valve rod
At center, spring is socketed on gag lever post, fixed ring is arranged on the appearance wall on the top of valve rod.The first end of connecting rod is arranged
In fixed ring, compression bar is connected in the second end of connecting rod, the first end of connecting rod is located in valve body, the second end of connecting rod
It is located at outside valve body across through-hole, and connecting rod is configured as sliding up and down relative to fixed block.User can lift manually
Or moulded rod is pressed, regulating valve stem drives flap to open or close valve opening, increases the adjustable of the valve rod of pressure difference automatic regulating valve
Property.
On the one hand, it is socketed with gasket by being located on the outside of valve rod in fixed block internal backplane, in flap outer sheath
Be connected to sealing ring, the cross sectional shape of setting flap in vertical direction be it is trapezoidal, valve rod can be improved and pumping
Sealing performance in journey.
Fig. 5 is the structural schematic diagram for the pressure difference automatic regulating valve that the illustrative examples of the application provide.Valve body 1 is used
In the subassembly of supported differential pressure automatic regulating valve, valve body 1 further include: water inlet pipe 2, drainpipe 3, valve opening 5, pressure sensor 4, pressure
Power table 18, fixing bolt 11 and gasket 12.
Water inlet pipe 2 and drainpipe 3 are to pour integral structure, and the lower section of drainpipe 3 is arranged in water inlet pipe 2.Water inlet pipe 2
Valve opening 5 is offered with the junction of drainpipe 3, for accommodating flap 13, and the shape phase of the shape of valve opening 5 and flap 13
Match；In the inside of water inlet pipe 2, it is fixed with pressure sensor 4, for detecting the pressure of fluid.
Optionally, pressure sensor 4 can be fixed on the inside of outlet pipe 3.
The output end of pressure sensor 4 and the input terminal of pressure gauge 18 pass through electric connection.
The surface of valve body 1 is arranged in pressure gauge 18, and in the present embodiment, pressure gauge 18 is fixed on the front surface of valve body 1, such as
Shown in Fig. 6.The application is not limited the position of pressure gauge 18.
Fixing bolt 11 links together valve body 1 and fixed block 10.
Gasket 12 is socketed in the outside for being located at valve rod 7 in 10 internal backplane of fixed block.
In conclusion pressure difference automatic regulating valve provided in this embodiment, on the one hand, pass through pouring for water inlet pipe and drainpipe
Integral structure, and water inlet pipe is arranged in the lower section of drainpipe, convenient for the sundries in precipitation fluid；By the way that fixing seat is set
It sets at the top center of valve body, fixed block, convenient for safeguarding and cleaning pressure difference automatic regulating valve is connected at the top of fixing seat.
On the other hand, by the way that pressure sensor is arranged in water inlet pipe, pressure sensor can acquire fluid in water inlet pipe
Pressure, and then shown by pressure gauge, water inlet pipe hydraulic pressure can be observed at any time convenient for user, improve pressure difference automatic regulating valve
Stability in use.
Pressure difference automatic regulating valve provided by the present application, when spring failure or not flexible valve rod up and down motion occurs, user
By observed pressure table, moulded rod is lifted or pressed manually, valve rod is made to move up and down, flap is driven to open or close valve opening, thus
Pressure gauge numerical values recited is adjusted, can achieve the purpose for manually adjusting automatic differential pressure valve.
The foregoing is merely the preferred embodiments of the application, not to limit the application, it is all in spirit herein and
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this application.
Claims (9)
1. a kind of pressure difference automatic regulating valve, which is characterized in that the pressure difference automatic regulating valve includes: valve rod (7) and valve body (1),
It include fixed block interconnected (10) and fixing seat (6) on the valve body (1)；
The valve rod (7) includes gag lever post (8), fixed ring (17), at least two parallel connecting rods (15) and compression bar (16)；
The gag lever post (8) is arranged at the center on the top of the valve rod (7), is socketed with spring on the gag lever post (8)
(9)；
The fixed ring (17) is arranged on the appearance wall on the top of the valve rod (7)；
The first end of the connecting rod (15) is arranged on the fixed ring (17), connects in the second end of the connecting rod (15)
There are the compression bar (16)；
The fixed block (10) is provided with the through-hole for accommodating the connecting rod (15), the first end position of the connecting rod (15)
In the valve body (1), the second end of the connecting rod (15) passes through the through-hole and is located at the valve body (1) outside, and the company
Extension bar (15) is configured as sliding up and down relative to the fixed block (10).
2. pressure difference automatic regulating valve according to claim 1, which is characterized in that
The first end of at least two connecting rods (15) is evenly distributed on the fixed ring (17).
3. pressure difference automatic regulating valve according to claim 1, which is characterized in that the bottom end of the valve rod (7) is also formed with:
Flap (13)；
Sealing ring (14) are provided on the flap (13).
4. pressure difference automatic regulating valve according to claim 3, which is characterized in that the flap bottom end of the flap (13) is in water
The first area of section in plane is less than the second area of section of flap top in the horizontal plane.
5. pressure difference automatic regulating valve according to claim 3, which is characterized in that the flap (13) is in vertical direction
Cross sectional shape is trapezoidal.
6. according to any pressure difference automatic regulating valve of claim 3 to 5, which is characterized in that also wrapped in the valve body (1)
It includes: valve opening (5), spring (9), fixing seat (6), gasket (12), water inlet pipe (2) and drainpipe (3)；
The junction of the water inlet pipe (2) and the drainpipe (3) is provided with the valve opening (5), and the valve opening (5) is for holding
It sets the flap (13), the shape of the valve opening (5) and the flap (13) matches；
The fixing seat (6) is provided with the screw hole for accommodating fixing bolt (11)；
The outside for being located at the valve rod (7) is arranged in the fixed block (10) internal backplane in the gasket (12).
7. pressure difference automatic regulating valve according to claim 6, which is characterized in that the water inlet pipe (2) and the drainpipe
(3) to pour integral structure, the water inlet pipe (2) is arranged in the lower section of the drainpipe (3).
8. pressure difference automatic regulating valve according to claim 6, which is characterized in that water inlet pipe (2) are internally provided with
The appearance wall of pressure sensor (4), the valve body (1) is provided with pressure gauge (18)；
The output end of the pressure sensor (4) and the input terminal of the pressure gauge (18) are electrically connected.
9. pressure difference automatic regulating valve according to claim 6, which is characterized in that the fixing seat (6) and the fixed block
(10) it is connected by the fixing bolt (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821303234.3U CN208967047U (en) | 2018-08-13 | 2018-08-13 | differential pressure automatic regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821303234.3U CN208967047U (en) | 2018-08-13 | 2018-08-13 | differential pressure automatic regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208967047U true CN208967047U (en) | 2019-06-11 |
Family
ID=66752861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821303234.3U Active CN208967047U (en) | 2018-08-13 | 2018-08-13 | differential pressure automatic regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208967047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271151A (en) * | 2019-06-28 | 2019-09-24 | 王飞 | A kind of direct projection pours active pin valve device |
-
2018
- 2018-08-13 CN CN201821303234.3U patent/CN208967047U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271151A (en) * | 2019-06-28 | 2019-09-24 | 王飞 | A kind of direct projection pours active pin valve device |
| CN110271151B (en) * | 2019-06-28 | 2021-08-03 | 台州永信阀门有限公司 | Direct injection casting active needle valve device |
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