CN210461917U - Double-sealing piston type flow-regulating pressure-regulating valve - Google Patents
Double-sealing piston type flow-regulating pressure-regulating valve Download PDFInfo
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- CN210461917U CN210461917U CN201921473081.1U CN201921473081U CN210461917U CN 210461917 U CN210461917 U CN 210461917U CN 201921473081 U CN201921473081 U CN 201921473081U CN 210461917 U CN210461917 U CN 210461917U
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Abstract
The utility model discloses a double containment piston air-vent valve of transferring current belongs to air-vent valve technical field. A double-sealing piston type flow regulating and pressure regulating valve comprises a left valve seat and a right valve seat, wherein the left valve seat and the right valve seat are mutually connected, the outer walls of the left valve seat and the right valve seat are respectively connected with a left valve body and a right valve body, an inner cavity with two open ends is formed between the left valve seat and the right valve seat, a flow passage for fluid circulation is formed between the inner cavity and the left valve seat and between the inner cavity and the right valve seat respectively, two pistons are connected in the inner cavity and are respectively matched with the left valve body and the right valve body, the outer walls of the two pistons are both connected with a rack, the outer wall of the rack is meshed with a gear, the outer wall of the gear is connected with a rotating shaft, the rotating shaft; the utility model discloses a make the shell fragment drive sealed the pad and offset with left valve body inner wall, be favorable to improving the leakproofness of device, avoid influencing the maintenance of device.
Description
Technical Field
The utility model relates to an air-vent valve technical field especially relates to a double containment piston formula air-vent valve of shunting.
Background
The valve is a device for controlling the direction, pressure and flow of fluid in a fluid system, the valve is a control part in a pipeline fluid conveying system, the valve can be used for controlling the flow of various types of fluid such as air, water, steam, various corrosive media, slurry, oil products and the like, is used for changing the section of a passage and the flow direction of the media, has the functions of diversion, stopping, throttling, non-return, shunting or overflow pressure relief and the like, and is used for controlling the fluid from a simplest stop valve to various valves used in a very complicated automatic control system, and the variety and the specification of the valves are various.
The Chinese utility model with the patent number of CN201820418956.7 in the prior art discloses a double-sealing piston type flow-regulating pressure-regulating valve, which comprises a left valve seat and a right valve seat, wherein the left end of the left valve seat is connected with a left valve body, the right end of the right valve seat is connected with a right valve body, the left valve seat is connected with the right valve seat, an inner cavity with two open ends is formed between the left valve seat and the right valve seat, a left piston and a right piston are connected in the inner cavity, a left rack is connected on the left piston, a left driving shaft is connected on the left valve seat, a left gear is connected on the left driving shaft, the left gear is meshed with the left rack, a right rack is connected on the right piston, a right driving shaft is connected on the right valve seat, a right gear is connected on the right driving shaft, the right gear is meshed with the right rack, the device has simple structure, can realize bidirectional single sealing, and the arrangement of, the piston type flow regulating and pressure regulating valve is not required to be additionally provided with a maintenance valve, the inlet is roughly adjusted, the outlet is finely adjusted, and the combined regulating function is realized; but this utility model when carrying out the cutout to the rivers of water inlet, the leakproofness is relatively poor, and rivers continue to flow easily, influence and overhaul the effect.
Disclosure of Invention
The utility model aims at solving the problems existing in the prior art and providing a double-sealing piston type flow regulating and pressure regulating valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a double-sealing piston type flow regulating and pressure regulating valve comprises a left valve seat and a right valve seat, wherein the left valve seat and the right valve seat are mutually connected, the outer walls of the left valve seat and the right valve seat are respectively connected with a left valve body and a right valve body, an inner cavity with two open ends is formed between the left valve seat and the right valve seat, a flow passage for fluid circulation is formed between the inner cavity and the left valve seat and between the inner cavity and the right valve seat respectively, two pistons are connected in the inner cavity and are respectively matched with the left valve body and the right valve body, the outer walls of the two pistons are both connected with a rack, the outer wall of the rack is meshed with a gear, the outer wall of the gear is connected with a rotating shaft, the rotating shaft is connected in the cavity, one end of the piston, which is far away from the rack, is connected with a flow guide cover, the outer wall of the flow guide cover, the pushing mechanism comprises a fixing frame, the fixing frame is connected to the outer wall of the air guide sleeve, a lead screw is connected to the outer wall of the fixing frame in a rotating mode, a disc is fixedly connected to one end, away from the fixing frame, of the lead screw, fan blades are connected to the outer wall of the disc, a sleeve is in threaded connection with the outer wall of the lead screw, a telescopic rod is connected to the outer wall of the sleeve, and the telescopic rod is connected.
Preferably, the outer wall of the screw rod is sleeved with an elastic element, and the elastic element is connected between the sleeve and the fixing frame.
Preferably, squirrel cages are arranged in the left valve seat and the right valve seat, and the squirrel cages are movably abutted to the sealing gaskets.
Preferably, the outer walls of the left valve seat and the right valve seat are both provided with matched threaded holes, and bolts are movably connected in the threaded holes.
Preferably, the bottoms of the left valve seat and the right valve seat are both connected with a supporting seat.
Compared with the prior art, the utility model provides a double containment piston air-vent valve of shunting possesses following beneficial effect:
1. the double-sealing piston type flow-regulating pressure-regulating valve is characterized in that when a water inlet is arranged on a left valve body, if the sealing of a right piston part is in a problem, and when maintenance is needed, only a rotating shaft arranged on the flow-regulating pressure-regulating valve is operated to drive a gear to rotate, so that a rack drives the piston part and a flow guide cover assembled on the part to horizontally move leftwards, an inlet of the left valve body is cut off, in the process, water flow extrudes a spring plate, the spring plate drives a sealing gasket to abut against the inner wall of the left valve body, meanwhile, the impact force of the water flow drives a fan blade to rotate, the fan blade drives a disc to rotate, the disc drives a lead screw to rotate, the lead screw drives a sleeve to move rightwards, the sleeve extrudes an elastic element, the sleeve drives a telescopic rod to extrude the spring plate, the spring plate further drives the, elastic element promotes the sleeve and moves left, makes the sleeve drive the telescopic link pulling downwards, avoids sealed the pad often to offset with the squirrel cage, leads to sealed pad wearing and tearing to appear, reduces life.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses a make the shell fragment drive sealed the pad and offset with left valve body inner wall, be favorable to improving the leakproofness of device, avoid influencing the maintenance of device.
Drawings
Fig. 1 is a schematic structural view of a double-sealing piston type flow-regulating pressure-regulating valve according to the present invention;
fig. 2 is the schematic structural diagram of part a in fig. 1 of a double-sealing piston type flow-regulating and pressure-regulating valve provided by the present invention.
In the figure: 1. a left valve seat; 2. a right valve seat; 3. a left valve body; 4. a right valve body; 5. a piston member; 6. a rack; 7. a gear; 8. a rotating shaft; 9. a pod; 10. a spring plate; 11. a gasket; 12. a mouse cage; 13. a fixed mount; 14. a screw rod; 141. a disc; 142. a fan blade; 15. a sleeve; 16. a telescopic rod; 17. an elastic element; 18. a bolt; 19. and (4) supporting the base.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a double-sealing piston type flow-regulating pressure-regulating valve comprises a left valve seat 1 and a right valve seat 2, wherein the left valve seat 1 and the right valve seat 2 are connected with each other, the outer walls of the left valve seat 1 and the right valve seat 2 are respectively connected with a left valve body 3 and a right valve body 4, an inner cavity with two open ends is formed between the left valve seat 1 and the right valve seat 2, a flow passage for fluid circulation is formed between the inner cavity and the left valve seat 1 and the right valve seat 2, two piston members 5 are connected in the inner cavity, the two piston members 5 are respectively matched with the left valve body 3 and the right valve body 4, the outer walls of the two piston members 5 are both connected with a rack 6, the outer wall of the rack 6 is engaged and connected with a gear 7, the outer wall of the gear 7 is connected with a rotating shaft 8, the rotating shaft 8 is connected in the inner cavity, the outer wall of the elastic piece 10 is connected with a sealing gasket 11, the sealing gasket 11 is movably abutted to the inner wall of the left valve body 3, the pushing mechanism comprises a fixing frame 13, the fixing frame 13 is connected to the outer wall of the air guide sleeve 9, the outer wall of the fixing frame 13 is connected with a lead screw 14 in a rotating mode, the lead screw 14 is far away from one end of a fixedly connected disc 141 of the fixing frame 13, the outer wall of the disc 141 is connected with fan blades 142, the outer wall of the lead screw 14 is connected with a sleeve 15 in a threaded mode.
Referring to fig. 2, the outer wall of the screw 14 is sleeved with an elastic element 17, and the elastic element 17 is connected between the sleeve 15 and the fixed frame 13.
Referring to fig. 1, squirrel cages 12 are arranged in the left valve seat 1 and the right valve seat 2, and the squirrel cages 12 are movably abutted to the sealing gaskets 11.
Referring to fig. 1, the outer walls of the left valve seat 1 and the right valve seat 2 are both provided with matched threaded holes, and bolts 18 are movably connected in the threaded holes.
Referring to fig. 1, the bottom of each of the left valve seat 1 and the right valve seat 2 is connected with a support seat 19.
In the utility model, when installing the water inlet on the left valve body 3, if the sealing of the right piston 5 is problematic, and needs to be maintained, the inlet of the left valve body 3 is cut off by operating the rotating shaft 8 arranged on the flow regulating valve to drive the gear 7 to rotate, so that the rack 6 drives the piston 5 and the air guide sleeve 9 assembled on the part to move horizontally to the left, in the process, the water flow extrudes the elastic sheet 10 to make the elastic sheet 10 drive the sealing gasket 11 to abut against the inner wall of the left valve body 3, and at the same time, the impact force of the water flow drives the fan blades 142 to rotate, so that the fan blades 142 drive the disc 141 to rotate, and further the disc 141 drives the screw rod 14 to rotate, so that the screw rod 14 drives the sleeve 15 to move rightwards, the sleeve 15 extrudes the elastic element 17 to make the sleeve 15 drive the telescopic rod 16 to extrude the elastic sheet 10, and further make the elastic sheet, after the maintenance is finished, the water pressure is weakened, the elastic element 17 pushes the sleeve 15 to move leftwards, so that the sleeve 15 drives the telescopic rod 16 to pull downwards, the sealing gasket 11 is prevented from being always abutted against the squirrel cage 12, the sealing gasket 11 is prevented from being abraded, and the service life is shortened; the utility model discloses a make shell fragment 10 drive sealed 11 and the 3 inner walls of left valve body counterbalance, be favorable to improving the leakproofness of device, avoid influencing the maintenance of device.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A double-sealing piston type flow-regulating pressure-regulating valve comprises a left valve seat (1) and a right valve seat (2), wherein the left valve seat (1) and the right valve seat (2) are connected with each other, the outer walls of the left valve seat (1) and the right valve seat (2) are respectively connected with a left valve body (3) and a right valve body (4), an inner cavity with openings at two ends is formed between the left valve seat (1) and the right valve seat (2), a flow passage for fluid circulation is formed between the inner cavity and the left valve seat (1) and the right valve seat (2), two piston members (5) are connected in the inner cavity, the two piston members (5) are respectively matched with the left valve body (3) and the right valve body (4), the outer walls of the two piston members (5) are both connected with a rack (6), the outer wall of the rack (6) is engaged and connected with a gear (7), the outer wall of the gear (7) is connected, the rotary shaft (8) is connected in the cavity, one end, far away from the rack (6), of the piston piece (5) is connected with a flow guide cover (9), the rotary shaft is characterized in that the outer wall of the flow guide cover (9) is connected with an elastic sheet (10), the outer wall of the elastic sheet (10) is connected with a pushing mechanism, the outer wall of the elastic sheet (10) is connected with a sealing gasket (11), the sealing gasket (11) is movably abutted against the inner wall of the left valve body (3), the pushing mechanism comprises a fixing frame (13), the fixing frame (13) is connected to the outer wall of the flow guide cover (9), the outer wall of the fixing frame (13) is rotatably connected with a lead screw (14), one end, far away from the fixing frame (13), of the lead screw (14) is fixedly connected with a disc (141), the outer wall of the disc (141) is connected with fan blades (142), the telescopic rod (16) is connected with the elastic sheet (10).
2. The dual-sealing piston type flow regulating and pressure regulating valve according to claim 1, wherein an elastic member (17) is sleeved on the outer wall of the screw rod (14), and the elastic member (17) is connected between the sleeve (15) and the fixing frame (13).
3. The double-sealing piston type flow regulating and pressure regulating valve according to claim 1, characterized in that squirrel cages (12) are arranged in the left valve seat (1) and the right valve seat (2), and the squirrel cages (12) are movably abutted against the sealing gaskets (11).
4. The double-sealing piston type flow regulating and pressure regulating valve according to claim 3, characterized in that the outer walls of the left valve seat (1) and the right valve seat (2) are provided with matched threaded holes, and bolts (18) are movably connected in the threaded holes.
5. The dual-sealing piston type flow-regulating pressure-regulating valve according to claim 4, characterized in that the bottoms of said left valve seat (1) and right valve seat (2) are connected with supporting seats (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921473081.1U CN210461917U (en) | 2019-09-05 | 2019-09-05 | Double-sealing piston type flow-regulating pressure-regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921473081.1U CN210461917U (en) | 2019-09-05 | 2019-09-05 | Double-sealing piston type flow-regulating pressure-regulating valve |
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| Publication Number | Publication Date |
|---|---|
| CN210461917U true CN210461917U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921473081.1U Active CN210461917U (en) | 2019-09-05 | 2019-09-05 | Double-sealing piston type flow-regulating pressure-regulating valve |
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| CN (1) | CN210461917U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542743A (en) * | 2022-01-27 | 2022-05-27 | 博纳斯威阀门股份有限公司 | Axial flow type bidirectional two-stage regulating valve |
-
2019
- 2019-09-05 CN CN201921473081.1U patent/CN210461917U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542743A (en) * | 2022-01-27 | 2022-05-27 | 博纳斯威阀门股份有限公司 | Axial flow type bidirectional two-stage regulating valve |
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