CN220622893U - Novel PTFE governing valve - Google Patents
Novel PTFE governing valve Download PDFInfo
- Publication number
- CN220622893U CN220622893U CN202322385512.1U CN202322385512U CN220622893U CN 220622893 U CN220622893 U CN 220622893U CN 202322385512 U CN202322385512 U CN 202322385512U CN 220622893 U CN220622893 U CN 220622893U
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- rod
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- 239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 19
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 50
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a novel PTFE regulating valve, which comprises: the valve body is installed to outer valve body, is equipped with the tortuous runner in its inside cooperation, the valve gap is installed to the top of valve body, just one side of valve body is provided with the end cover, circumference distributes on the valve gap has a plurality of double-screw bolts, each the one end of double-screw bolt passes outer valve body and threaded connection is in on the valve body, the tip of double-screw bolt is fixed with the nut, the valve gap with still be provided with the seal holder between the valve body, vertical slip is provided with the valve rod in the seal holder, the tip of valve rod is fixed with the case, the one end of case with tortuous runner looks sliding seal cooperation.
Description
Technical Field
The utility model belongs to the technical field of regulating valves, and particularly relates to a novel PTFE regulating valve.
Background
A regulator valve is a device for controlling the flow, pressure and temperature of a fluid (liquid, gas, vapor, etc.). It is widely used in the fields of industry, manufacturing industry, construction, energy and the like; the traditional regulating valve is difficult to carry out accurate flow regulation in opening, and has short service life. Accordingly, there is a need to provide a new PTFE regulator valve to solve the problems set forth in the background art.
Disclosure of Invention
In order to achieve the above purpose, the present utility model provides the following technical solutions: a novel PTFE regulating valve, comprising: the valve comprises an outer valve body, wherein a valve body is mounted in the outer valve body in a matched manner, a tortuous flow passage is arranged in the valve body, a valve cover is mounted above the valve body, an end cover is arranged on one side of the valve body, a plurality of studs are circumferentially distributed on the valve cover, one end of each stud penetrates through the outer valve body and is in threaded connection with the valve body, a nut is fixed at the end part of each stud, an upper sealing seat is further arranged between the valve cover and the valve body, a valve rod is vertically arranged in the upper sealing seat in a sliding manner, a valve core is fixed at the end part of the valve rod, and one end of the valve core is in sliding sealing fit with the tortuous flow passage;
a sealing disc is coaxially fixed above the valve core on the valve rod, the sealing disc can be in sealing fit with the tortuous flow passage, a plurality of micro-flow holes are distributed on the circumference of the sealing disc, and a sealing shaft is slidably arranged in each micro-flow hole;
a fixed disc seat is sleeved on the valve rod above the sealing disc, a plurality of column cylinders corresponding to the micro-flow holes are distributed in the fixed disc seat, a piston is arranged in the column cylinders in a sliding mode, and the lower portion of the piston is connected with each sealing shaft through a supporting rod;
the valve rod is sleeved with a link seat, the link seat is arranged in the fixed disc seat in a sealing and rotating mode, an air flow channel is formed in the link seat, one side of each column cylinder is provided with an air flow hole, and the air flow channel can be correspondingly communicated with the air flow holes in the steering of the link seat;
the valve rod is externally rotatably sleeved with a shaft tube sleeve, the shaft tube sleeve is arranged in the upper sealing seat in a sliding manner along with the valve rod in a sealing manner, an inner channel is formed in the shaft tube sleeve, and the inner channel is communicated with the airflow channel.
Further, preferably, a packing assembly is further arranged between the valve rod and the valve cover.
Further, preferably, the support rod is sleeved with a support spring in the column cylinder.
Further, as the preference, the valve rod is provided with a forward-reverse motor outside the valve cover, the output end of the forward-reverse motor is connected with the shaft tube sleeve for transmission through the gear meshing effect, the steering angle of the shaft tube sleeve is between 0 and 300 degrees, the valve rod and the valve core are integrally formed, the valve body is formed by processing PTFE, and the outer valve body is wrapped by stainless steel.
Further, preferably, an air flow pipe is connected to the shaft pipe sleeve, and the air flow pipe is communicated with the inner channel.
Further, preferably, the cross section of the micro-flow hole has a bullet-shaped structure.
Compared with the prior art, the utility model has the beneficial effects that:
1. the valve body is formed by processing the integral PTFE, has good sealing performance, high strength and strong corrosion resistance, and can effectively avoid the condition of bulging of the inner liner in a high vacuum occasion.
2. According to the utility model, the valve body shell is wrapped by stainless steel, so that the compressive strength of the valve is effectively improved, and the service life of the valve is prolonged.
3. In the utility model, the valve rod and the valve core are integrally formed, the coaxiality is high, and the valve clack is made of integrally reinforced PTFE material; meanwhile, the micro-flow holes distributed on the sealing disc can assist in fine flow adjustment, so that the device is high in applicability and convenient to use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the sealing disk of the present utility model;
FIG. 3 is a schematic view of a structure of a fixed tray of the present utility model;
FIG. 4 is a schematic view of the structure of the bottom bracket shell of the present utility model;
in the figure: 1. a valve body; 11. an outer valve body; 12. an end cap; 13. an upper seal seat; 14. a nut; 15. a stud; 16. a valve cover; 17. a filler assembly; 2. a valve stem; 21. a valve core; 3. a sealing plate; 31. microflow holes; 32. sealing the shaft; 4. a fixed disk seat; 41. a piston; 5. a link seat; 51. a shaft sleeve; 52. an inner channel.
Detailed Description
Referring to fig. 1, in an embodiment of the present utility model, a novel PTFE regulating valve includes: the valve comprises an outer valve body 1, wherein a valve body 11 is mounted in the outer valve body 1 in a matched manner, a tortuous flow passage is formed in the valve body 11, a valve cover 16 is mounted above the valve body 11, an end cover 12 is arranged on one side of the valve body 11, a plurality of studs 15 are circumferentially distributed on the valve cover 16, one end of each stud 15 penetrates through the outer valve body 1 and is in threaded connection with the valve body 11, a nut 14 is fixed at the end of each stud 15, an upper sealing seat 13 is further arranged between the valve cover 16 and the valve body 11, a valve rod 2 is vertically arranged in the upper sealing seat 13 in a sliding manner, a valve core 21 is fixed at the end of the valve rod, and one end of the valve core 21 is in sliding sealing fit with the tortuous flow passage; the end part of the valve rod can be provided with a threaded rotary disc, and the threaded rotary disc is in sliding connection with the end cover through a threaded meshing effect, so that the valve rod displacement is adjusted under the rotation of the threaded rotary disc; the valve core seals and plugs the tortuous flow passage, thereby achieving the effect of adjusting and controlling flow;
a sealing disc 3 is coaxially fixed above the valve core on the valve rod 2, the sealing disc 3 can be in sealing fit with the tortuous flow passage, a plurality of micro-flow holes 31 are circumferentially distributed on the sealing disc 3, and a sealing shaft 32 is slidably arranged in each micro-flow hole 31; that is, the sealing disk can be contacted with the valve core synchronously and abutted against the inner wall of the tortuous flow passage, so that the shutoff and blocking are realized, and when one or more micro-flow holes on the sealing disk are opened, each micro-flow hole can perform flow rate micro-control at the moment so as to achieve flow fine adjustment;
a fixed disc seat 4 is sleeved and arranged above the sealing disc 3 on the valve rod 2, a plurality of cylinder bodies corresponding to the micro-flow holes 31 are distributed in the fixed disc seat 4, a piston 41 is arranged in the cylinder bodies in a sliding manner, and the lower part of the piston 41 is connected with each sealing shaft 32 through a supporting rod; so that each piston in the column cylinder controls the sealing shaft to plug the micro-flow hole;
the valve rod 2 is sleeved with a link seat 5, the link seat 5 is arranged in the fixed disc seat 4 in a sealing and rotating manner, an air flow channel is formed in the link seat 5, one side of each column cylinder is provided with an air flow hole, and the air flow channel can be correspondingly communicated with the air flow hole in the steering process of the link seat 5; that is to say, the link seat pressurizes the air supply of each column cylinder in steering adjustment, so as to realize the control and driving of each sealing shaft;
the valve rod 2 is rotatably sleeved with a shaft tube sleeve 51, the shaft tube sleeve 51 is arranged in the upper sealing seat 13 in a sealing sliding manner along with the valve rod 2, an inner channel 52 is formed in the shaft tube sleeve 51, and the inner channel 52 is communicated with the air flow channel.
In this embodiment, a packing assembly 17 is further disposed between the valve rod 2 and the valve cover 16.
As a preferred embodiment, the support rod is sleeved with a support spring 42 in the column cylinder, so that the compactness of the structure is enhanced.
In this embodiment, the valve rod 2 is provided with a forward and reverse rotation motor outside the valve cover 16, and the output end of the forward and reverse rotation motor is in transmission connection with the shaft tube sleeve 51 through a gear meshing function, so that the forward and reverse rotation motor controls the driving shaft sleeve, the steering angle of the shaft tube sleeve 51 is between 0 ° and 300 °, the valve rod and the valve core are integrally formed, the valve body is formed by processing PTFE, and the outer valve body is wrapped by stainless steel.
In this embodiment, an air flow pipe is connected to the shaft tube sleeve 51, and the air flow pipe is communicated with the inner channel 52.
In this embodiment, the cross section of the micro-hole 31 has a bullet-shaped structure.
Specifically, in the use, PTFE governing valve both ends pass through end cover sealing connection on outside pipeline, on the one hand is opened or closed by the case under the vertical regulation of valve rod, and a plurality of microspore in the sealing disk that wherein still set up can be opened and close by sealed axle control to carry out precision velocity of flow control regulation under a plurality of microspore and case cooperation, application scope is wide, compact structure.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. A novel PTFE regulating valve, characterized in that: it comprises the following steps: the valve comprises an outer valve body (1), wherein a valve body (11) is mounted in the outer valve body (1) in a matched manner, a tortuous flow passage is formed in the valve body (11), a valve cover (16) is mounted above the valve body (11), an end cover (12) is arranged on one side of the valve body (11), a plurality of studs (15) are circumferentially distributed on the valve cover (16), one end of each stud (15) penetrates through the outer valve body (1) and is in threaded connection with the valve body (11), a nut (14) is fixed at the end of each stud (15), an upper sealing seat (13) is further arranged between the valve cover (16) and the valve body (11), a valve rod (2) is vertically arranged in the upper sealing seat (13) in a sliding manner, a valve core (21) is fixed at the end of the valve rod, and one end of the valve core (21) is in sliding sealing fit with the tortuous flow passage;
a sealing disc (3) is coaxially fixed above the valve core on the valve rod (2), the sealing disc (3) can be in sealing fit with the tortuous flow passage, a plurality of micro-flow holes (31) are circumferentially distributed on the sealing disc (3), and a sealing shaft (32) is slidably arranged in each micro-flow hole (31);
a fixed disc seat (4) is sleeved and arranged above the sealing disc (3) on the valve rod (2), a plurality of cylinder bodies corresponding to the micro-flow holes (31) are distributed in the fixed disc seat (4), a piston (41) is arranged in the cylinder bodies in a sliding mode, and the lower portion of the piston (41) is connected with each sealing shaft (32) through a supporting rod;
a link seat (5) is sleeved on the valve rod (2), the link seat (5) is arranged in the fixed disc seat (4) in a sealing and rotating manner, an air flow channel is arranged in the link seat (5), one side of each column cylinder is provided with an air flow hole, and the air flow channel can be correspondingly communicated with the air flow holes in the steering of the link seat (5);
the valve rod (2) is externally rotatably sleeved with a shaft tube sleeve (51), the shaft tube sleeve (51) is arranged in the upper sealing seat (13) in a sealing sliding mode along with the valve rod (2), an inner channel (52) is formed in the shaft tube sleeve (51), and the inner channel (52) is communicated with the airflow channel.
2. The novel PTFE regulating valve of claim 1, wherein: a packing assembly (17) is further arranged between the valve rod 2 and the valve cover (16).
3. The novel PTFE regulating valve of claim 1, wherein: and a supporting spring (42) is sleeved on the support rod and positioned in the column cylinder.
4. The novel PTFE regulating valve of claim 1, wherein: the valve rod (2) is provided with a forward-reverse motor outside the valve cover (16), the output end of the forward-reverse motor is in transmission connection with the shaft tube sleeve (51) through gear meshing, the steering angle of the shaft tube sleeve (51) is between 0 and 300 degrees, the valve rod (2) and the valve core (21) are integrally formed, the valve body (11) is formed by processing PTFE, and the outer valve body (1) is wrapped by stainless steel.
5. The novel PTFE regulating valve of claim 1, wherein: the shaft tube sleeve (51) is connected with an air flow tube, and the air flow tube is communicated with the inner channel (52).
6. The novel PTFE regulating valve of claim 1, wherein: the cross section of the micro-flow hole (31) is in a bullet-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322385512.1U CN220622893U (en) | 2023-08-31 | 2023-08-31 | Novel PTFE governing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322385512.1U CN220622893U (en) | 2023-08-31 | 2023-08-31 | Novel PTFE governing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220622893U true CN220622893U (en) | 2024-03-19 |
Family
ID=90226485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322385512.1U Active CN220622893U (en) | 2023-08-31 | 2023-08-31 | Novel PTFE governing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220622893U (en) |
-
2023
- 2023-08-31 CN CN202322385512.1U patent/CN220622893U/en active Active
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