CN214534504U - High-performance pressure reducing valve - Google Patents
High-performance pressure reducing valve Download PDFInfo
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- CN214534504U CN214534504U CN202120395280.6U CN202120395280U CN214534504U CN 214534504 U CN214534504 U CN 214534504U CN 202120395280 U CN202120395280 U CN 202120395280U CN 214534504 U CN214534504 U CN 214534504U
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- pressure reducing
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Abstract
A high-performance pressure reducing valve comprises a valve body and a partition plate arranged in the middle of the valve body, wherein the partition plate divides the inner space of the valve body into a water inlet cavity and a water outlet cavity positioned below the water inlet cavity, the left side of the valve body is provided with a water outlet connector communicated with the water outlet cavity, the right side of the valve body is provided with a water inlet connector communicated with the water inlet cavity, the partition plate is provided with a water through hole, an orifice at the upper end of the water through hole is blocked by a valve clack, the center of the upper surface of the valve clack is provided with a valve rod, the upper end of the valve rod upwards penetrates out of the valve body and is provided with a hand wheel, the wall of the upper side cavity of the water inlet cavity is provided with a pressure reducing hole, and the valve rod penetrates through the pressure reducing hole; a fixed plate is externally screwed on the valve rod, and a lifting space is formed between the upper surface of the fixed plate and the bottom of the pressure reducing hole; the valve rod is sleeved with a pressure reducing plate positioned right below the fixed plate, the center of the pressure reducing plate is provided with a movable hole, and the valve rod penetrates through the movable hole. The utility model discloses a high performance relief pressure valve can accomplish decompression work in the short time, improves decompression efficiency, realizes the high performance of relief pressure valve.
Description
Technical Field
The utility model relates to a relief pressure valve, especially a high performance relief pressure valve.
Background
The relief pressure valve can make the automatic valve that remains stable of outlet pressure through the decompression mode at water delivery in-process, and in the in-service use in-process, often can meet the too big condition of water pressure, though the relief pressure valve can rely on the valve inner flow channel to the local resistance reduction water pressure of rivers, nevertheless decompression efficiency is limited, can't effectively step down water pressure in the short time and make water pressure resume normal, leads to the too high rivers of water pressure still to lead to the fact the influence to water delivery system.
Disclosure of Invention
The utility model aims to solve the current technical problem and provide a high performance relief pressure valve, it can accomplish decompression work in the short time, improves decompression efficiency, realizes the high performance of relief pressure valve.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the utility model discloses a high performance relief pressure valve, including the valve body, locate the baffle at valve body middle part, the baffle separates the valve body inner space for the intake antrum, is located the play water cavity of intake antrum below, and the valve body left side is equipped with the water connectors who link up mutually with going out the water cavity, and the valve body right side is equipped with the water connectors who link up mutually with the intake antrum, is equipped with the limbers on the baffle, and the upper end drill way of limbers blocks up the valve clack, and valve clack upper surface center is equipped with the valve rod, upwards wears out the valve body and is equipped with the hand wheel on the valve rod, its characterized in that: a pressure reducing hole is formed in the upper side cavity wall of the water inlet cavity, and the valve rod penetrates through the pressure reducing hole; a fixed plate is externally screwed on the valve rod, and a lifting space is formed between the upper surface of the fixed plate and the bottom of the pressure reducing hole; a pressure reducing plate positioned right below the fixed plate is sleeved outside the valve rod, a movable hole is formed in the center of the pressure reducing plate, and the valve rod penetrates through the movable hole; the diameter of the pressure reducing plate is smaller than that of the pressure reducing hole; a spring sleeved outside the valve rod is arranged between the upper surface of the pressure reducing plate and the upper surface of the fixing plate; a rubber gasket sleeved outside the valve rod is arranged between the upper surface of the valve clack and the lower surface of the pressure reducing plate; the outer edge of the upper surface of the pressure reducing plate is provided with a conical surface with a narrow upper part and a wide lower part; a water passage is formed between the conical surface and the inner wall of the orifice at the lower end of the pressure reducing hole; the lower surface of the pressure reducing plate is provided with an annular pressure groove; and a plurality of rubber strips which are uniformly distributed in the circumference are arranged in the pressure tank.
A plurality of clamping holes corresponding to the rubber strips are formed in the inner side groove wall of the pressure groove; the outer side groove wall of the pressure groove is provided with a plurality of through holes corresponding to the positions of the clamping holes; the peripheral surface of the pressure reducing plate is provided with a plurality of counter bores communicated with the through holes, and the diameter of each counter bore is larger than that of each through hole; one end of the rubber strip is clamped in the clamping hole, and the other end of the rubber strip penetrates through the through hole and is provided with a limiting head matched with the counter bore.
The peripheral surface of the rubber gasket is provided with an annular elastic groove, and the groove width of the elastic groove gradually decreases from outside to inside.
The lower surface of the fixing plate is provided with a plurality of pressure release holes which are uniformly distributed in the circumferential direction; the upper surface of the fixing plate is provided with a plurality of sealing holes communicated with the pressure relief holes, and the sealing holes are funnel-shaped with wide upper part and narrow lower part; a sealing ball is arranged in the sealing hole, and the diameter of the orifice at the upper end of the sealing hole is larger than that of the sealing ball; a screw joint is arranged outside the orifice at the upper end of the sealing hole; the screw joint is screwed with a sealing cover.
The outer wall of the sealing cover is provided with a plurality of pressure relief holes communicated with the inner space of the sealing cover.
The utility model has the advantages that:
compared with the prior art, adopt the utility model discloses the high performance relief pressure valve of structure not only can utilize the valve inner flow way to reduce water pressure to the local resistance of rivers when water pressure is too big, and can form the multichannel buffering through parts such as rubber strip, spring, effectively improves and reduces hydraulic efficiency, realizes the high efficiency decompression to guarantee the high performance of relief pressure valve, effectively avoid water pressure can't the short time obtain reducing the condition that influences water delivery system normal operating.
Drawings
FIG. 1 is a schematic structural view of the high performance pressure reducing valve of the present invention;
fig. 2 is an enlarged view of a portion a of fig. 1.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
referring to fig. 1 and 2, the utility model provides a high-performance pressure reducing valve, which comprises a valve body 1 and a partition plate 2 arranged at the middle part of the valve body 1, wherein the partition plate 2 divides the internal space of the valve body 1 into a water inlet cavity 3 and a water outlet cavity 4 positioned below the water inlet cavity 3, the left side of the valve body 1 is provided with a water outlet joint 5 communicated with the water outlet cavity 4, the right side of the valve body 1 is provided with a water inlet joint 101 communicated with the water inlet cavity 3, the partition plate 2 is provided with a water through hole 6, a valve clack 7 is blocked at the upper end orifice of the water through hole 6, the center of the upper surface of the valve clack 7 is provided with a valve rod 8, the upper end of the valve rod 8 penetrates out of the valve body 1 upwards and is provided with a hand wheel 9, the upper side cavity wall of the water inlet cavity 3 is provided with a pressure reducing hole 10, and the valve rod 8 passes through the pressure reducing hole 10; a fixed plate 11 is externally screwed on the valve rod 8, and a lifting space 12 is formed between the upper surface of the fixed plate 11 and the bottom of the pressure reducing hole 10; a pressure reducing plate 13 positioned right below the fixing plate 11 is sleeved outside the valve rod 8, a movable hole 14 is formed in the center of the pressure reducing plate 13, and the valve rod 8 penetrates through the movable hole 14; the diameter of the pressure reducing plate 13 is smaller than that of the pressure reducing hole 10; a spring 15 sleeved outside the valve rod 8 is arranged between the upper surface of the pressure reducing plate 13 and the upper surface of the fixing plate 11; a rubber gasket 16 sleeved outside the valve rod 8 is arranged between the upper surface of the valve clack 7 and the lower surface of the pressure reducing plate 13; the outer edge of the upper surface of the pressure reducing plate 13 is provided with a conical surface 17 with a narrow upper part and a wide lower part; a water passage 18 is formed between the conical surface 17 and the inner wall of the lower end orifice of the pressure reducing hole 10; the lower surface of the pressure reducing plate 13 is provided with an annular pressure groove 19; a plurality of rubber strips 20 which are uniformly distributed in the circumference are arranged in the pressure groove 19.
The inner side wall of the pressure groove 19 is provided with a plurality of clamping holes 21 corresponding to the rubber strips 20; the outer side wall of the pressure groove 19 is provided with a plurality of through holes 22 corresponding to the positions of the clamping holes 21; the peripheral surface of the pressure reducing plate 13 is provided with a plurality of counter bores 23 communicated with the through holes 22, and the diameter of each counter bore 23 is larger than that of each through hole 22; one end of the rubber strip 20 is clamped in the clamping hole 21, and the other end of the rubber strip 20 penetrates through the through hole 22 and is provided with a limiting head 24 matched with the counter bore 23.
The peripheral surface of the rubber gasket 16 is provided with an annular elastic groove 25, and the groove width of the elastic groove 25 is gradually reduced from outside to inside.
The lower surface of the fixing plate 11 is provided with a plurality of pressure release holes 26 which are uniformly distributed in the circumferential direction; the upper surface of the fixing plate 11 is provided with a plurality of sealing holes 27 communicated with the pressure release holes 26, and the sealing holes 27 are funnel-shaped with wide upper part and narrow lower part; a sealing ball 28 is arranged in the sealing hole 27, and the diameter of the upper end orifice of the sealing hole 27 is larger than that of the sealing ball 28; a screw joint 29 is arranged outside the orifice at the upper end of the sealing hole 27; the screw joint 29 is screwed with a sealing cover 30.
The outer wall of the sealing cover 30 is provided with a plurality of pressure relief holes 31 communicated with the inner space of the sealing cover.
The utility model discloses a use method as follows:
when the pressure reducing valve is required to be used, the hand wheel 9 can be rotated, the hand wheel 9 can drive the valve clack 7 to move upwards through the valve rod 8 at the moment, the valve clack 7 does not block and seal the orifice at the upper end of the water through hole 6 any more, the water inlet cavity 3 and the water outlet cavity 4 are communicated through the water through hole 6, the fixing plate 11 and the pressure reducing plate 13 move upwards at the moment, the lifting interval 12 is arranged between the upper surface of the fixing plate 11 and the bottom of the pressure reducing hole 10, the valve rod can be smoothly driven to move upwards through the existence of the lifting interval 12 to drive the valve clack 7, and after the pressure reducing plate 13 moves upwards, the pressure reducing plate 13 can enter the pressure reducing hole 10 through the orifice at the lower end of the pressure reducing hole 10.
When the valve flap 7 moves upwards to open the pressure reducing valve, water flows sequentially pass through the water inlet joint 0, the water inlet cavity 3, the water through hole 6, the water outlet cavity 4 and the water outlet joint 5 to flow out for use, if the water pressure is too high, because the pressure reducing plate 13 is located at the position of the orifice at the lower end of the pressure reducing hole 10, in the process that the water flows from the water inlet cavity 3 to the water through hole 6, a part of the water flows directly impact the lower surface of the pressure reducing plate 13, the lower surface of the pressure reducing plate 13 is provided with an annular pressure groove 19, a plurality of rubber strips 20 which are uniformly distributed in the circumference are arranged in the pressure groove 19, the water flows directly impact the rubber strips 20 upwards, the rubber strips 20 deform and generate elasticity, the elasticity directly buffers the water pressure of the water flows, the water pressure is effectively reduced, and the pressure reducing plate 13 moves upwards under pressure as the water continuously impacts the bottom of the pressure groove 19, when the pressure reducing plate 13 moves upwards, the spring 15 is compressed and generates elastic force under the condition that the fixing plate 11 is fixed, and the elastic force acts on the pressure reducing plate 13, so that the pressure reducing plate 13 pushes back the water flow impacting on the pressure reducing plate 13 to resist the water pressure of the water flow, thereby eliminating a part of the water pressure and achieving the effect of reducing the pressure.
When the pressure reducing valve needs to be closed, the hand wheel 9 can be rotated again, at the moment, the hand wheel 9 can drive the valve clack 7 to move downwards through the valve rod 8 to reset, if the situation that the water pressure is too high occurs when the pressure reducing valve is closed, water flow entering between the pressure reducing plate 13 and the fixing plate 11 through the water passage 18 cannot push the fixing plate 11 upwards, the pressure reducing plate 13 can be pushed downwards, when the pressure reducing plate 13 moves downwards, the rubber gasket 16 can be extruded and generates elasticity, the water flow water pressure can be effectively buffered through the pressure reducing plate 13 by the elasticity, the pressure reducing effect is achieved, an annular elastic groove is formed in the outer peripheral surface of the rubber gasket 16, the groove width of the elastic groove 25 is gradually decreased from outside to inside, when the rubber gasket 16 is extruded by the pressure reducing plate 13, the deformation degree of the rubber gasket 16 can be effectively increased by the existence of the elastic groove 25, and the buffering and pressure reducing effect of the rubber gasket 16 is further improved.
To sum up, can know, the utility model discloses when water pressure is too big, not only can utilize the valve inner flow way to reduce water pressure to the local resistance of rivers, and can form the multichannel buffering through parts such as rubber strip 20, spring 15, effectively improve and reduce hydraulic efficiency, realize the high efficiency decompression to guarantee the high performance of relief pressure valve, effectively avoid the unable short time of water pressure to obtain reducing the condition that influences water delivery system normal operating.
The inboard cell wall of pressure tank 19 is equipped with a plurality of and the corresponding card hole 21 in rubber strip 20 position, 19 outside cell walls of pressure tank are equipped with a plurality of and the corresponding perforation 22 in card hole 21 position, the pressure reduction board 13 outer peripheral face is equipped with a plurality of counter bores 23 that link up mutually with perforation 22, counter bore 23 diameter is greater than the diameter of perforation 22, 20 one end cards of rubber strip are in calorie hole 21, the rubber strip 20 other end passes perforation 22 and is equipped with and counter bore 23 assorted spacing head 24, the dismouting of rubber strip 20 of not only being convenient for of this kind of fixed mode, do benefit to rubber strip 20 and change, and can guarantee the steadiness when rubber strip 20 installs fixedly.
The lower surface of the fixed plate 11 is provided with a plurality of pressure release holes 26 which are evenly distributed in a circumference manner, the upper surface of the fixed plate 11 is provided with a plurality of sealing holes 27 which are communicated with the pressure release holes 26, the sealing holes 27 are funnel-shaped, the upper part of the sealing holes 27 is wide and the lower part of the sealing holes is narrow, sealing balls 28 are placed in the sealing holes 27, the diameter of the upper end opening of the sealing holes 27 is larger than that of the sealing balls 28, screw joints 29 are arranged outside the upper end opening of the sealing holes 27, the screw joints 29 are in screw connection with sealing covers 30, because the diameter of the pressure reducing plate 13 is smaller than that of the pressure reducing holes 10, when the pressure reducing plate 13 moves upwards to enter the pressure reducing holes 10, the outer wall of the pressure reducing plate 13 is similar to be attached to the inner wall of the pressure reducing holes 10, actually, a gap is arranged between the outer wall of the pressure reducing plate 13 and the inner wall of the pressure reducing holes 10, under the condition that the water pressure is overhigh, a part of water flow can continuously enter the gap between the pressure reducing plate 13 and the fixed plate 11, and the space between the fixed plate 11 can effectively release a part of the water pressure, the effect of auxiliary pressure reduction is achieved, if the water pressure can not be gentle at the moment, the water flow can impact the sealing ball upwards through the pressure release hole 26, the sealing ball moves upwards along with the water flow, the water flow directly enters the sealing cover 30, the internal space of the sealing cover 30 can further enable the water flow pressure to be released, and the effect of auxiliary pressure reduction is achieved.
The outer wall of the sealing cover 30 is provided with a plurality of pressure relief holes 31 communicated with the inner space of the sealing cover, and water flow entering the sealing cover 30 can be discharged to the space between the upper surface of the fixing plate 11 and the hole bottom of the pressure relief hole 10 through the pressure relief holes 31, so that the water flow pressure is further released, and the pressure relief effect is guaranteed to the maximum extent.
Claims (5)
1. The utility model provides a high performance relief pressure valve, includes the valve body, locates the baffle at valve body middle part, the baffle separates the valve body inner space for the intake antrum, is located the play water cavity of intake antrum below, and the valve body left side is equipped with the water connectors who link up mutually with going out the water cavity, and the valve body right side is equipped with the water connectors who link up mutually with the intake antrum, is equipped with the limbers on the baffle, and the upper end drill way of limbers blocks up there is the valve clack, and valve clack upper surface center is equipped with the valve rod, upwards wears out the valve body and is equipped with the hand wheel on the valve rod, its characterized in that: a pressure reducing hole is formed in the upper side cavity wall of the water inlet cavity, and the valve rod penetrates through the pressure reducing hole; a fixed plate is externally screwed on the valve rod, and a lifting space is formed between the upper surface of the fixed plate and the bottom of the pressure reducing hole; a pressure reducing plate positioned right below the fixed plate is sleeved outside the valve rod, a movable hole is formed in the center of the pressure reducing plate, and the valve rod penetrates through the movable hole; the diameter of the pressure reducing plate is smaller than that of the pressure reducing hole; a spring sleeved outside the valve rod is arranged between the upper surface of the pressure reducing plate and the upper surface of the fixing plate; a rubber gasket sleeved outside the valve rod is arranged between the upper surface of the valve clack and the lower surface of the pressure reducing plate; the outer edge of the upper surface of the pressure reducing plate is provided with a conical surface with a narrow upper part and a wide lower part; a water passage is formed between the conical surface and the inner wall of the orifice at the lower end of the pressure reducing hole; the lower surface of the pressure reducing plate is provided with an annular pressure groove; and a plurality of rubber strips which are uniformly distributed in the circumference are arranged in the pressure tank.
2. A high performance pressure reducing valve according to claim 1, wherein: a plurality of clamping holes corresponding to the rubber strips are formed in the inner side groove wall of the pressure groove; the outer side groove wall of the pressure groove is provided with a plurality of through holes corresponding to the positions of the clamping holes; the peripheral surface of the pressure reducing plate is provided with a plurality of counter bores communicated with the through holes, and the diameter of each counter bore is larger than that of each through hole; one end of the rubber strip is clamped in the clamping hole, and the other end of the rubber strip penetrates through the through hole and is provided with a limiting head matched with the counter bore.
3. A high performance pressure reducing valve according to claim 1, wherein: the peripheral surface of the rubber gasket is provided with an annular elastic groove, and the groove width of the elastic groove gradually decreases from outside to inside.
4. A high performance pressure reducing valve according to claim 1, wherein: the lower surface of the fixing plate is provided with a plurality of pressure release holes which are uniformly distributed in the circumferential direction; the upper surface of the fixing plate is provided with a plurality of sealing holes communicated with the pressure relief holes, and the sealing holes are funnel-shaped with wide upper part and narrow lower part; a sealing ball is arranged in the sealing hole, and the diameter of the orifice at the upper end of the sealing hole is larger than that of the sealing ball; a screw joint is arranged outside the orifice at the upper end of the sealing hole; the screw joint is screwed with a sealing cover.
5. A high performance pressure reducing valve according to claim 4, wherein: the outer wall of the sealing cover is provided with a plurality of pressure relief holes communicated with the inner space of the sealing cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120395280.6U CN214534504U (en) | 2021-02-22 | 2021-02-22 | High-performance pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120395280.6U CN214534504U (en) | 2021-02-22 | 2021-02-22 | High-performance pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214534504U true CN214534504U (en) | 2021-10-29 |
Family
ID=78235848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120395280.6U Active CN214534504U (en) | 2021-02-22 | 2021-02-22 | High-performance pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214534504U (en) |
-
2021
- 2021-02-22 CN CN202120395280.6U patent/CN214534504U/en active Active
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