CN204403440U - A kind of electronic control pressure reducing delivery valve - Google Patents
A kind of electronic control pressure reducing delivery valve Download PDFInfo
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- CN204403440U CN204403440U CN201520002903.3U CN201520002903U CN204403440U CN 204403440 U CN204403440 U CN 204403440U CN 201520002903 U CN201520002903 U CN 201520002903U CN 204403440 U CN204403440 U CN 204403440U
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- leather cup
- valve
- electronic control
- stiffening rib
- pressure reducing
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Abstract
The utility model relates to a kind of fluid pressure actuator, and particularly a kind of electronic control pressure reducing delivery valve, belongs to field of mechanical technique.It solve the problem that existing electronic control pressure reducing delivery valve sealing is poor, sensitivity is low.The valve body that the utility model has lid mouth and the valve gap be arranged on lid mouth, valve gap is arch, valve interior surface protrudes and forms sealing station, the center line of sealing station and the axis of lid mouth, on same straight line, are provided with leather cup between valve gap and valve body, leather cup outer surface protrude the first stiffening rib forming circular arc, first stiffening rib can be resisted against in sealing station, be provided with spring assembly between valve gap and leather cup, one end of spring assembly is arranged on leather cup, and the other end is resisted against on valve gap internal surface.The utility model has good seal performance, valve body internal pressure is stablized, highly sensitive advantage.
Description
Technical field
The utility model relates to a kind of fluid pressure actuator, particularly a kind of electronic control pressure reducing delivery valve.
Background technique
Reduction valve is by regulating the outlet pressure the energy relying on medium itself that inlet pressure are reduced to a certain needs, making the valve that outlet pressure keeps stable automatically.From hydromechanical viewpoint, reduction valve is the throttle element that a local resistance can change, and namely by changing orifice size, the kinetic energy of flow velocity and fluid being changed, causes the different pressure losses, thus reach the object of decompression.Then rely on the adjustment of control and regulation system, the fluctuation of downstream pressure and spring force are balanced each other, makes downstream pressure keep constant in certain margin of error.
Reduction valve is a kind of special arrangement of automatic reduction working pressure of pipeline, and fluid pressure higher for pipeline before valve can be reduced to the level after valve needed for pipeline by it.Reduction valve is widely used in the too high region of tall building, city water-supply pipe network hydraulic pressure, mine and other occasions, to ensure that in water supply system, each water spot obtains suitable service hydraulic pressure and flow.In view of the leak rate of water and waste degree are almost directly proportional with the hydraulic pressure size of water supply system.Therefore reduction valve has and improves system motion operating mode and potential water saving effect, and its water-saving result is about 30% according to statistics.
And in prior art, mainly with the sealed connection of screw between valve body and valve gap, and do not consider the impact of current impurity, there is reduction valve volume larger, cost of production is higher, and sensitive performance is low, and sealability is low, easily cause in current impurity ingoing stream reduction valve, affect current effect of easing stress and damage the deficiencies such as water pressure reducing valve.
Model utility content
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of good seal performance, valve body internal pressure is stablized, highly sensitive electronic control pressure reducing delivery valve.
The purpose of this utility model realizes by following technical proposal: a kind of electronic control pressure reducing delivery valve, comprise the valve body with lid mouth and the valve gap be arranged on lid mouth, it is characterized in that, described valve gap is arch, described valve interior surface protrudes and forms sealing station, the center line of sealing station and the axis of lid mouth are on same straight line, between described valve gap and valve body, leather cup is installed, leather cup outer surface protrudes the first stiffening rib forming circular arc, first stiffening rib can be resisted against in sealing station, between valve gap and leather cup, spring assembly is installed, one end of described spring assembly is arranged on leather cup, the other end is resisted against on valve gap internal surface.
In above-mentioned a kind of electronic control pressure reducing delivery valve, described sealing station is in " V " font stood upside down, sealing station comprises the side of circular arc and is connected the end face of side, side and valve interior surface tangent, end face is the interior concaved circular cambered surface of strip, and described first stiffening rib to be resisted against on end face and sealed valve body inner chamber.
In this structure, the outer surface of leather cup is provided with the first stiffening rib, spring assembly promotes leather cup and stretches, and then the first stiffening rib is squeezed on end face, first stiffening rib and end face tangent and extrude with end face mutually extrude with sealed valve body inner chamber, leather cup continues to stretch, first stiffening rib caves in into leather cup outer surface, leather cup outer surface is fitted on end face, because the first stiffening rib protrudes leather cup outer surface, the structure using the first stiffening rib to carry out sealed valve body inner chamber replaces the structure using leather cup outer surface and end face to fit in prior art and carrys out sealed valve body, shorten the extending amount of leather cup, and then shorten the sealed valve body inner chamber time used, decrease the reaction time of reduction valve, improve the sensitivity of product, and use the first stiffening rib to seal with face between end face the structure matched with linear sealing between end face and leather cup outer surface and replace the structure that between leather cup outer surface simple in prior art and end face, face seals, improve the sealability of product.
In above-mentioned a kind of electronic control pressure reducing delivery valve, the outer of described lid mouth extends to form lid oralia along perpendicular lid mouth axial direction, the outer of valve gap extends to form fixing part along vertical valve gap axial direction, fixing part is arranged on lid oralia, the outer of leather cup extends to form sealed department along vertical leather cup axial direction, and sealed department is between lid oralia and fixing part and sealing cover mouth.
In above-mentioned a kind of electronic control pressure reducing delivery valve, the outer of described leather cup is protruded and is formed with seal convexity, the lower surface of fixing part offers seal groove and the second stiffening rib, seal convexity inserts in seal groove, and the second stiffening rib extrudes and is sealed on the outer of leather cup.
In this structure, use the linear sealing of the second stiffening rib and leather cup outer, face that fixing part coordinates with leather cup seals and seal convexity inserts three-dimensional seal in seal groove, replace in prior art, the sealing in simple valve gap and the face of leather cup and face, greatly improves the sealability of valve body.
In above-mentioned a kind of electronic control pressure reducing delivery valve, described seal groove and the distribution of the second stiffening rib concentric, the second stiffening rib is less than the distance of seal groove to the center of circle to the distance in the center of circle.In this structure, be first the linear sealing of the second stiffening rib and leather cup outer, be then the three-dimensional seal that seal convexity inserts in seal groove, such sequence can increase the sealability of valve body.
In above-mentioned a kind of electronic control pressure reducing delivery valve, protrude bottom described leather cup internal surface and form boss, described spring assembly comprises relief spring and is arranged on the spring seat on boss, and described relief spring one end mounts elastically, and the other end is resisted against on the internal surface of valve gap.
In above-mentioned a kind of electronic control pressure reducing delivery valve, described valve gap offers regulator hole, the internal surface of the through valve gap of regulator hole and outer surface.
In above-mentioned a kind of electronic control pressure reducing delivery valve, described seal groove comprises the arc-shaped slot of some concentrics, and arc-shaped slot is symmetrical along the center of circle.In this structure, seal groove is symmetrically distributed in the lower surface of valve gap, such valve gap is all consistent with sealability everywhere between leather cup, cavity pressure effectively can be prevented unstable, add the stability of product.
In above-mentioned a kind of electronic control pressure reducing delivery valve, described valve body is cylindrical, and one end of valve body is liquid entering hole, and the other end is liquid outlet, lid mouth is between liquid entering hole and liquid outlet, and the axis of described liquid entering hole and liquid outlet is vertical on same straight line and with the axes intersect of lid mouth.
Compared with prior art, the utility model has the following advantages:
1, in the utility model, the outer surface of leather cup is provided with the first stiffening rib, spring assembly promotes leather cup and stretches, and then the first stiffening rib is squeezed on end face, first stiffening rib and end face tangent with sealed valve body inner chamber, leather cup continues to stretch, first stiffening rib caves in into leather cup outer surface, leather cup outer surface is fitted on end face, because the first stiffening rib protrudes leather cup outer surface, the structure using the first stiffening rib to carry out sealed valve body inner chamber replaces the structure using leather cup outer surface and end face to fit in prior art and carrys out sealed valve body, shorten the extending amount of leather cup, and then shorten the sealed valve body inner chamber time used, decrease the reaction time of reduction valve, improve the sensitivity of product.
2, in the utility model, sealed department protrudes and is formed with seal convexity, the lower surface of fixing part offers seal groove and the second stiffening rib, seal convexity inserts in seal groove, second stiffening rib is resisted against on sealed department, this structure, use the linear sealing of the second stiffening rib and sealed department, the face of fixing part and sealed department seals and seal convexity inserts three-dimensional seal in seal groove, replace in prior art, by the structure of cup packing between lid oralia and valve gap, effectively raise the sealability of valve body.
3, in the utility model, use leather cup as seal element, impurity is in valve body flow process, can not be stuck between leather cup and sealing station, and leather cup has good sealability and elasticity, current can not infiltrate the die cavity between valve gap and leather cup, cavity pressure can be prevented unstable, improve the stability of valve body.
Accompanying drawing explanation
Fig. 1 is the sectional drawing of electronic control pressure reducing delivery valve.
Fig. 2 is the structural representation of electronic control pressure reducing delivery valve.
Fig. 3 is the plan view of electronic control pressure reducing delivery valve.
Fig. 4 is the explosive view of electronic control pressure reducing delivery valve.
In figure, 1, valve body; 11, Gai Kou; 111, lid oralia; 112, mounting plate; 12, valve gap; 121, regulator hole; 122, seal groove; 123, the second stiffening rib; 124, fixing part; 13, sealing station; 131, end face; 132, side; 14, liquid entering hole; 15, liquid outlet; 2, leather cup; 21, the first stiffening rib; 22, seal convexity; 23, boss; 24, sealed department; 4, spring assembly; 41, relief spring; 42, spring seat.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As depicted in figs. 1 and 2, the utility model comprises the valve body 1 with lid mouth 11 and the valve gap 12 being arranged on the arch on lid mouth 11, the outer of lid mouth 11 extends to form lid oralia 111 along perpendicular lid mouth 11 axial direction, the outer of valve gap 12 extends to form fixing part 124 along vertical valve gap 12 axial direction, fixing part 124 is arranged on lid oralia 111, the internal surface of valve body 1 protrudes and forms sealing station 13, sealing station 13 is immediately below lid mouth 11, leather cup 2 is installed between valve gap 12 and valve body 1, the outer of leather cup 2 extends to form sealed department 24 along vertical leather cup 2 axial direction, sealed department 24 is between lid oralia 111 and fixing part 124 and sealing cover mouth 11, to be resisted against bottom leather cup 2 outer surface in sealing station 13 and sealed valve body 1 inner chamber, the bottom of leather cup 2 internal surface is protruded and is formed boss 23, the spring seat 42 being provided with relief spring 41 between valve gap 12 and leather cup 2 and being arranged on boss 23, relief spring 41 one end is arranged on spring seat 42, the other end is resisted against on the internal surface of valve gap 12, leather cup 2 outer surface protrudes formation first stiffening rib 21, the axis of the first stiffening rib 21 and the center line of sealing station 13 end face are parallel to each other, first stiffening rib 21 to be fitted in sealing station 13 and sealed valve body inner chamber, sealed department 24 protrudes and is formed with seal convexity 22, the lower surface of fixing part 124 offers seal groove 122 and the second stiffening rib 123, seal convexity 22 inserts in seal groove 122, second stiffening rib 123 is resisted against on sealed department 24, use the linear sealing of the second stiffening rib 123 and sealed department 24, the face that fixing part 124 coordinates with sealed department 24 seals and seal convexity 22 inserts three-dimensional seal in seal groove 122, the sealability of valve body 1 can be improved greatly, seal groove 122 and the second stiffening rib 123 are circular arc and concentric, second stiffening rib 123 is less than the distance of seal groove 122 to the center of circle to the distance in the center of circle.
As shown in Figure 1, the outer surface of leather cup 2 is provided with the first stiffening rib 21, spring assembly 4 promotes leather cup 2 and stretches, and then the first stiffening rib 21 is squeezed on end face 131, first stiffening rib 21 is tangent with sealed valve body 1 inner chamber with end face 131, leather cup 2 continues to stretch, until the first stiffening rib 21 caves in into leather cup 2 outer surface, leather cup 2 outer surface is fitted on end face 131, because the first stiffening rib 21 protrudes leather cup 2 outer surface, the structure using the first stiffening rib 21 to carry out first sealed valve body 1 inner chamber replaces the structure using leather cup 2 outer surface and end face 131 to fit in prior art and carrys out sealed valve body 1, shorten the extending amount of leather cup 2, and then shorten the sealed valve body 1 inner chamber time used, decrease the reaction time of reduction valve, improve the sensitivity of product, and use linear sealing between the first stiffening rib 21 and end face 131 and structure that between leather cup 2 outer surface and end face 131, face seals to replace the structure that between leather cup 2 outer surface simple in prior art and end face 131, face seals, improve the sealability of product
As shown in Figure 1, for improving working life and the sealing effect of leather cup 2, sealed department adds a circle seal convexity 22, when leather cup 2 is arranged between valve gap 12 and valve body 1, the seal convexity 22 of leather cup 2 insert the seal groove 122 of valve gap 12 tight in, this structure energy sealing cover mouth 11 is also tightened in motion at fixing part 124 and lid oralia 111, eliminates wearing clearance freely, remains that sealability is constant.
As shown in Figure 1, the valve body 1 of this reduction valve is cylindrical, comprise liquid entering hole 14 and the liquid outlet 15 of coaxial line, liquid entering hole 14 seals with sealing station 13 and leather cup 2 and forms hyperbaric chamber, liquid outlet 15 seals with sealing station 13 and leather cup 2 and forms low-pressure cavity, the die cavity of composition between leather cup 2 and valve gap 12, controls the openings of sizes between leather cup 2 and sealing station by the pressure difference controlling hyperbaric chamber and die cavity, thus controls the pressure flow of low-pressure cavity.
As shown in Figures 2 and 3, valve gap 12 offers and is communicated with regulator hole 121 that is extraneous and die cavity, lid oralia 111 is provided with mounting plate, mounting plate is provided with reduction valve, reduction valve is connected with regulator hole 121 by water pipe, reduction valve can be connected with hyperbaric chamber and low-pressure cavity in addition, and the pressure difference of hyperbaric chamber and die cavity is the pressure in low-pressure cavity.
In pressure regulation process, use the pressure in reduction valve adjustment die cavity, and then adjustment orifice size, the kinetic energy of flow velocity and fluid is changed, causes the different pressure losses, thus play the object regulating low-pressure cavity internal pressure, then the adjustment of control and regulating system, namely under the effect of spring assembly, stirring of downstream pressure is balanced each other with spring force, make downstream pressure keep constant within the specific limits.
As shown in Figure 1, sealed department 24 protrudes and is formed with seal convexity 22, fixing part 124 offers seal groove 122 and the second stiffening rib 123, seal convexity 22 inserts in seal groove 122, in second stiffening rib 123 crush seal portion 24, this structure, uses the linear sealing of the second stiffening rib 123 and sealed department 24, face that fixing part 124 coordinates with sealed department 24 seals and seal convexity 22 inserts three-dimensional seal in seal groove 122, effectively raises the sealability of valve body 1.
As shown in Figure 1 and Figure 4, sealing station 13 is in " V " font stood upside down, sealing station comprises side 132 and the end face 131 being connected side 132, side 132 be arc surface and respectively with liquid entering hole 14 and liquid outlet 15 tangent, this tangent structure ensure that the slickness of valve body 1 inside, design is unique, improve the hydraulic performance of product, end face 131 is circular arc and can fits with leather cup 2 outer surface, end face 131 is designed to circular arc, facilitate end face 131 and the hemispheric outer surface of leather cup 2 to fit completely, ensure that the sealability of product.
The utility model in an initial condition, the valve body 1 with lid mouth 11 and the arch valve gap 12 be arranged on lid mouth 11, the outer of lid mouth 11 extends to form lid oralia 111 along perpendicular lid mouth axial direction, the lower edge of valve gap 12 extends to form fixing part 124 along vertical valve gap 12 axial direction, fixing part 124 and lid oralia 111 are connected, leather cup 2 is installed between valve gap 12 and valve body 1, the outer of leather cup 2 extends to form sealed department 24 along vertical leather cup 2 axial direction, sealed department 24 is arranged between lid oralia 111 and fixing part 124, protrude bottom leather cup 2 internal surface and form boss 23, the spring seat 42 being provided with relief spring 41 between valve gap 12 and leather cup 2 and being arranged on boss 23, relief spring 41 one end is arranged on spring seat 42, the other end is resisted against on valve gap 12, valve body 1 internal surface protrudes and forms sealing station 13, leather cup 2 to be resisted against in sealing station 13 and sealed valve body inner chamber, in sealability, leather cup 2 outer surface of this product protrudes formation first stiffening rib 21, spring assembly 4 promotes leather cup 2 and stretches, and then the first stiffening rib 21 is squeezed on end face 131, first stiffening rib 21 is tangent with sealed valve body 1 inner chamber with end face 131, leather cup 2 continues to stretch, until the first stiffening rib 21 caves in into leather cup 2 outer surface, leather cup 2 outer surface is fitted on end face 131, because the first stiffening rib 21 protrudes leather cup 2 outer surface, the structure using the first stiffening rib 21 to carry out first sealed valve body 1 inner chamber replaces the structure using leather cup 2 outer surface and end face 131 to fit in prior art and carrys out sealed valve body 1, shorten the extending amount of leather cup 2, and then shorten the sealed valve body 1 inner chamber time used, decrease the reaction time of reduction valve, improve the sensitivity of product, in addition, sealed department 24 protrudes and is formed with seal convexity 22, the lower surface of fixing part 124 offers seal groove 122 and the second stiffening rib 123, seal convexity 22 inserts in seal groove 122, second stiffening rib 123 is squeezed on sealed department 24, the face that the linear sealing of this second stiffening rib 123 sealed department 24, fixing part 124 coordinate with sealed department 24 seals and seal convexity inserts the structure that 22 enter the three-dimensional seal in seal groove 122, effectively raises the sealability of product, and seal groove 122 comprises the arc-shaped slot of some concentrics, and arc-shaped slot is symmetrical along the center of circle, ensure that leather cup 2 is consistent with sealability everywhere between valve gap 12, prevent in using process because of the face of pointing out, add the stability of product.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (10)
1. an electronic control pressure reducing delivery valve, comprise the valve body with lid mouth and the valve gap be arranged on lid mouth, it is characterized in that, described valve interior surface protrudes and is formed with sealing station, be provided with leather cup between described valve gap and valve body, leather cup to be resisted against in sealing station and sealed valve body inner chamber, is provided with spring assembly between valve gap and leather cup, one end of described spring assembly is arranged on leather cup, and the other end is resisted against on valve gap.
2. a kind of electronic control pressure reducing delivery valve according to claim 1, is characterized in that, described leather cup protrudes formation first stiffening rib, spring assembly is resisted against on leather cup, and the first stiffening rib launches and is sealed in sealing station.
3. a kind of electronic control pressure reducing delivery valve according to claim 2, is characterized in that, described sealing station comprises the end face that cross section is circular arc, and described first stiffening rib to be fitted on end face and sealed valve body inner chamber.
4. a kind of electronic control pressure reducing delivery valve according to claim 1 and 2, it is characterized in that, the outer of described leather cup is protruded and is formed with seal convexity, the lower surface of valve gap offers seal groove and the second stiffening rib, seal convexity inserts in seal groove, and the second stiffening rib extrudes and is sealed on the outer of leather cup.
5. a kind of electronic control pressure reducing delivery valve according to claim 4, is characterized in that, described seal groove and the equal concentric distribution of the second stiffening rib, the second stiffening rib is less than the distance of seal groove to the center of circle to the distance in the center of circle.
6. a kind of electronic control pressure reducing delivery valve according to claim 1 and 2, it is characterized in that, the bottom protrusion of described leather cup internal surface forms boss, described spring assembly comprises relief spring and is arranged on the spring seat on boss, described relief spring one end mounts elastically, and the other end is resisted against on valve gap.
7. a kind of electronic control pressure reducing delivery valve according to claim 1 and 2, is characterized in that, the outer of described lid mouth extends to form lid oralia along perpendicular lid mouth axial direction, and described valve gap is fixed on lid oralia.
8. a kind of electronic control pressure reducing delivery valve according to claim 1 and 2, is characterized in that, described valve gap offers regulator hole, the internal surface of the through valve gap of regulator hole and outer surface.
9. a kind of electronic control pressure reducing delivery valve according to claim 4, it is characterized in that, described seal groove comprises the arc-shaped slot of some concentrics, and arc-shaped slot is symmetrical along the center of circle.
10. a kind of electronic control pressure reducing delivery valve according to claim 1 and 2, it is characterized in that, described valve body is cylindrical, one end of valve body is liquid entering hole, the other end is liquid outlet, and lid mouth is between liquid entering hole and liquid outlet, and the axis of described lid mouth is crossing with the center line of mounting platform and vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520002903.3U CN204403440U (en) | 2015-01-05 | 2015-01-05 | A kind of electronic control pressure reducing delivery valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520002903.3U CN204403440U (en) | 2015-01-05 | 2015-01-05 | A kind of electronic control pressure reducing delivery valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204403440U true CN204403440U (en) | 2015-06-17 |
Family
ID=53427300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520002903.3U Expired - Fee Related CN204403440U (en) | 2015-01-05 | 2015-01-05 | A kind of electronic control pressure reducing delivery valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204403440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257862A (en) * | 2015-11-19 | 2016-01-20 | 四川海鹰阀门有限公司 | Single-diaphragm hydraulic control valve |
-
2015
- 2015-01-05 CN CN201520002903.3U patent/CN204403440U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257862A (en) * | 2015-11-19 | 2016-01-20 | 四川海鹰阀门有限公司 | Single-diaphragm hydraulic control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20200105 |