CN213332692U - Split type flow regulating valve - Google Patents
Split type flow regulating valve Download PDFInfo
- Publication number
- CN213332692U CN213332692U CN202021599691.9U CN202021599691U CN213332692U CN 213332692 U CN213332692 U CN 213332692U CN 202021599691 U CN202021599691 U CN 202021599691U CN 213332692 U CN213332692 U CN 213332692U
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- valve body
- piston
- rear end
- valve
- inner chamber
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052802 copper Inorganic materials 0.000 claims abstract description 11
- 239000010949 copper Substances 0.000 claims abstract description 11
- 241000883990 Flabellum Species 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model relates to a piston flow control valve field, specific saying is a split type flow regulating valve, including preceding valve body, the flabellum, the seal pressing plate, the honeycomb duct, the copper guide rail, the radome fairing, the back valve body, crank piston mechanism, the valve body inner chamber, the rear end of preceding valve body is connected with the front end of back valve body, the inside of preceding valve body is equipped with the valve body inner chamber, the radome fairing is installed to the front end of valve body inner chamber, be equipped with the copper guide rail between the surface of piston and the valve body inner chamber, adopt slider-crank mechanism to be connected between the rear end of piston and the valve cavity inner wall, the rear end of piston is equipped with the seal pressing plate, be equipped with the flabellum on the rear end terminal surface of back. Compared with the prior art, the direct structure is adopted, thereby avoiding water flow disorder caused by sudden change of the structure, and reducing vibration, noise and cavitation; the axisymmetric streamline type flow passage can prevent sundries from being blocked and has small head loss; the conical variable cross section of the cylinder can approximately linearly adjust the flow; the circulation is controllable highly, easy maintenance.
Description
Technical Field
The utility model relates to a piston flow control valve field, specific saying is a split type flow regulating valve.
Background
The piston valve can meet various special regulation requirements, and the regulation function is realized by controlling the valve outlet area of water flow by the axial extension of a piston-like valve plug in a valve cavity, namely the water flow direction movement. However, the flow control valve used at present generally has the defects of serious cavitation, unreliable sealing and easy blockage of the turbine.
Therefore, in order to solve the problems of cavitation, sealing and easy dead locking of the turbine, a split type flow regulating valve is necessary to be designed.
Disclosure of Invention
The utility model discloses broken through prior art's a difficult problem, designed a split type flow regulating valve.
In order to achieve the purpose, the utility model discloses a split type flow regulating valve, including preceding valve body, the flabellum, the seal pressure plate, the honeycomb duct, the copper guide rail, the radome fairing, the back valve body, crank piston mechanism, the valve body inner chamber, the rear end of preceding valve body is connected with the front end of back valve body, the inside of preceding valve body is equipped with the valve body inner chamber, the radome fairing is installed to the front end of valve body inner chamber, be equipped with the copper guide rail between the surface of piston and the valve body inner chamber, adopt slider-crank mechanism to be connected between the rear end of piston and the valve cavity inner wall, the rear end of piston is equipped with the seal pressure plate, be equipped with the flabellum on the rear end terminal surface of.
The front valve body and the rear valve body, and the guide pipe and the front end of the rear valve body are connected by bolts.
The crank-slider mechanism comprises a piston, a connecting rod, a crank, a valve shaft, a connecting rod seat and a pin shaft, the valve shaft is fixed in the inner cavity of the valve body, one end of the crank is sleeved outside the valve shaft, the other end of the crank is connected with one end of the connecting rod through the pin shaft, the other end of the connecting rod is connected with the connecting rod seat, and the connecting rod seat is fixed at the rear end of the piston.
Compared with the prior art, the utility model adopts a straight-through structure, avoids water flow disorder caused by structure mutation, and reduces vibration, noise and cavitation; the axisymmetric streamline type flow passage can prevent sundries from being blocked and has small head loss; the conical variable cross section of the cylinder can approximately linearly adjust the flow; the circulation controllability is high, and the maintenance is convenient; low noise, small torque and long service life.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention.
Fig. 2 is a side view of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Combine fig. 1~2, the utility model discloses a split type flow regulating valve, including preceding valve body 1, flabellum 2, seal pressing plate 4, honeycomb duct 8, copper guide rail 11, radome fairing 12, back valve body 13, crank piston mechanism, valve body inner chamber 14, the rear end of preceding valve body 1 is connected with the front end of back valve body 13, there is valve body inner chamber 14 inside preceding valve body 1, radome fairing 12 is installed to valve body inner chamber 14's front end, be equipped with copper guide rail 11 between piston 3's the surface and the valve body inner chamber 14, adopt slider-crank mechanism to be connected between piston 3's rear end and the valve cavity 14 inner wall, piston 3's rear end is equipped with seal pressing plate 4, be equipped with flabellum 2 on the rear end terminal surface of back valve body 13, honeycomb duct 8 is installed to back valve body 13's rear.
The front valve body 1 and the rear valve body 13, and the front ends of the flow guide pipe 8 and the rear valve body 13 are all connected by bolts.
The slider-crank mechanism comprises a piston 3, a connecting rod 5, a crank 6, a valve shaft 7, a connecting rod seat 9 and a pin shaft 10, wherein the valve shaft 7 is fixed in an inner cavity 14 of the valve body, one end of the crank 6 is sleeved outside the valve shaft 7, the other end of the crank 6 is connected with one end of the connecting rod 5 through the pin shaft 10, the other end of the connecting rod 5 is connected with the connecting rod seat 9, and the connecting rod seat 9 is fixed at the rear end of the piston 3.
The utility model belongs to a piston type control valve, wherein a driving mechanism is a crank-slider mechanism; a crank 6 and a connecting rod 5 are driven by a valve shaft 7, and a piston 3 and a connecting rod seat 9 form a sliding block; in the front valve body 1 and the rear valve body 13, a driving mechanism is guided by a guide rail 11 to move axially along the center of a flow passage, the area of the flow passage is changed, and the fan blades 2 enable water flow to rotate to change the flow direction, so that the flow regulation and pressure reduction functions are realized.
The utility model adopts a straight-through structure, the transition between the front valve body 1 and the rear valve body 13 is smooth, thereby avoiding the water flow disorder caused by the sudden change of the structure and reducing the vibration, the noise and the cavitation; meanwhile, the axial symmetry streamline type flow channel can prevent sundries from being blocked, and the head loss is small; the conical variable cross section of the cylinder can approximately linearly adjust the flow; the front valve body 1 and the rear valve body 13 form a sectional valve body, so that the processing and the maintenance are more convenient; the fan blade 2 at the adjusting part is split. When different requirements exist, only the fan blade 2 needs to be replaced or modified and adjusted; the copper guide rail 11 adopts thick and wide copper strips, so that the contact surface between the piston 3 and the copper guide rail 11 is increased, and the concentricity is ensured. Thereby reducing the operating torque and prolonging the service life; the fan blade 2 and the piston 3 adopt axial and radial combined conical surface sealing, soft and hard combination, reliable sealing and bidirectional zero leakage; the fan blade ring formed by the fan blades 2 guides fluid to flow spirally, so that bubbles generating cavitation are limited in the center of the pipeline, and the bubbles are broken and are not on the wall surfaces of the pipeline and the valve, thereby reducing and avoiding cavitation damage.
Claims (3)
1. The utility model provides a split type flow regulating valve, includes preceding valve body (1), flabellum (2), sealing pressure plate (4), honeycomb duct (8), copper guide rail (11), radome fairing (12), back valve body (13), crank piston mechanism, valve body inner chamber (14), its characterized in that: the rear end of preceding valve body (1) is connected with the front end of back valve body (13), radome fairing (12) is installed to the front end of valve body inner chamber (14), be equipped with copper guide rail (11) between the surface of piston (3) and valve body inner chamber (14), adopt slider-crank mechanism to connect between the rear end of piston (3) and valve body inner chamber (14) inner wall, the rear end of piston (3) is equipped with seal clamp plate (4), be equipped with flabellum (2) on the rear end terminal surface of back valve body (13), honeycomb duct (8) are installed to the rear end of back valve body (13).
2. The split flow regulating valve of claim 1, wherein: the front valve body (1) and the rear valve body (13) and the front ends of the guide pipe (8) and the rear valve body (13) are connected through bolts.
3. The split flow regulating valve of claim 1, wherein: the crank block mechanism comprises a piston (3), a connecting rod (5), a crank (6), a valve shaft (7), a connecting rod seat (9) and a pin shaft (10), wherein the valve shaft (7) is fixed in a valve body inner cavity (14), one end of the crank (6) is sleeved outside the valve shaft (7), the other end of the crank (6) is connected with one end of the connecting rod (5) through the pin shaft (10), the other end of the connecting rod (5) is connected with the connecting rod seat (9), and the connecting rod seat (9) is fixed at the rear end of the piston (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021599691.9U CN213332692U (en) | 2020-08-05 | 2020-08-05 | Split type flow regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021599691.9U CN213332692U (en) | 2020-08-05 | 2020-08-05 | Split type flow regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213332692U true CN213332692U (en) | 2021-06-01 |
Family
ID=76093645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021599691.9U Active CN213332692U (en) | 2020-08-05 | 2020-08-05 | Split type flow regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213332692U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396494A (en) * | 2022-01-23 | 2022-04-26 | 芜湖市金贸流体科技股份有限公司 | Piston type electric flow-regulating pressure-regulating valve and working method thereof |
-
2020
- 2020-08-05 CN CN202021599691.9U patent/CN213332692U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396494A (en) * | 2022-01-23 | 2022-04-26 | 芜湖市金贸流体科技股份有限公司 | Piston type electric flow-regulating pressure-regulating valve and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building 4, No. 288 Xinsheng Road, Qingpu District, Shanghai, 201799 Patentee after: Taoning smart water technology (Shanghai) Co.,Ltd. Country or region after: China Address before: 201700 building 2-1, 2009 Songfu Road, Qingpu District, Shanghai Patentee before: Shanghai Tao Ning Valve Co.,Ltd. Country or region before: China |