CN117515259A - Right-angle regulating valve with tetrafluoro corrugated pipe regulating cone - Google Patents
Right-angle regulating valve with tetrafluoro corrugated pipe regulating cone Download PDFInfo
- Publication number
- CN117515259A CN117515259A CN202311656020.XA CN202311656020A CN117515259A CN 117515259 A CN117515259 A CN 117515259A CN 202311656020 A CN202311656020 A CN 202311656020A CN 117515259 A CN117515259 A CN 117515259A
- Authority
- CN
- China
- Prior art keywords
- valve
- cone
- corrugated pipe
- valve rod
- driving device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 20
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/363—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor the fluid acting on a piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Driven Valves (AREA)
- Details Of Valves (AREA)
Abstract
The invention relates to a right-angle regulating valve with a tetrafluoro corrugated pipe regulating cone, wherein the tetrafluoro corrugated pipe regulating cone is positioned in an inner cavity of a valve body, is fixed between the valve body and a stuffing box and is connected with a valve rod, the other end of the valve rod penetrates into a driving device and is connected with a piston, and a controller controls the movement of the piston by regulating the air inflow of an inlet end of a cylinder barrel, so that the valve rod and the corrugated pipe regulating cone are driven to move up and down, and the opening of the valve is controlled to regulate the flow of an outlet end. The bellows regulating cone is simultaneously used as the valve body sealing element, the flow regulating element and the medium isolating element, so that the number of parts is reduced, the problem of medium residue at the joint of multiple parts is solved, and the medium is isolated in the upper cavity of the valve body, so that the medium is prevented from contacting with the valve rod, the stuffing box and the upper part parts thereof, the influence of the medium on the parts is reduced, and the service life of the valve is prolonged.
Description
Technical Field
The invention relates to a right-angle regulating valve with a tetrafluoro corrugated pipe regulating cone.
Background
At present, the bellows and the regulating cone of the existing bellows regulating valve are two parts, and are assembled together through later assembly, so that residues are easy to generate when a medium flows through the joint of the two parts.
The existing regulating valve has the problems that in the flowing process of a medium, the medium can contact a valve rod, a stuffing box and parts on the stuffing box, the medium can be remained at the joint of the parts and a gap between the parts, the cleaning is difficult, if the passing medium is easy to crystallize or contains colloidal substances, the passing medium is remained in the valve, particularly the movable part of the valve, can be influenced, and the whole service life of the valve is shortened.
Disclosure of Invention
The invention aims to solve the problems, and provides a right-angle regulating valve with a tetrafluoro corrugated pipe regulating cone, which solves the problem of residues of medium in the circulation process of the existing regulating valve and solves the problem of influence of the medium on the whole service life of the valve.
A right angle regulator valve with a tetrafluoro bellows regulator cone, comprising: the valve comprises a valve body, a driving device, a controller, a stuffing box, a corrugated pipe adjusting cone and a valve rod; the corrugated pipe adjusting cone is positioned between the valve body and the stuffing box and is connected with the valve rod, so that the upper cavity of the valve body is completely isolated from the valve rod, the stuffing box and parts above the valve rod and the stuffing box; the driving device is positioned above the stuffing box and drives the valve rod to drive the corrugated pipe adjusting cone to move; when the bellows adjusting cone contacts with the valve body, the inlet and the outlet are disconnected; when the driving device drives the valve rod to drive the corrugated pipe adjusting cone to move upwards, the inlet is communicated with the outlet; the cone part of the corrugated pipe adjusting cone is positioned in the inner cavity of the valve body, and the sectional area of a channel through which medium flows is changed along with the up-and-down movement of the cone part.
Further, the lower part of the valve rod is connected with the corrugated pipe adjusting cone through threads, the middle part of the valve rod passes through the stuffing box, and the upper part of the valve rod is connected with a piston in the driving device.
Further, the corrugated pipe adjusting cone is made of polytetrafluoroethylene, and a stainless steel embedded nut is arranged at the joint of the corrugated pipe adjusting cone and the valve rod.
Further, the driving device is a cylinder and comprises a shell, a spring, an end cover and a piston, wherein the end cover is fixedly connected with the upper end of the stuffing box, the piston is positioned inside the shell and is in sliding connection with the shell, an air inlet is formed in the shell and is positioned below the piston, the spring is positioned above the piston, one end of the spring is in contact with the piston, and the other end of the spring is in contact with the upper end of the shell.
Further, the controller is positioned above the driving device and comprises a body and a controller joint; the controller joint is connected with an air inlet of the driving device through a hose.
The invention has the following advantages: when a proper amount of compressed gas enters an air inlet below a piston of an air cylinder through a controller and a hose connected with the controller, the piston is driven to move upwards, meanwhile, the conical surface of the corrugated pipe adjusting cone is separated from the valve body, media enter an upper cavity of the valve body, at the moment, the inlet and the outlet are connected, and the media circulate, but the media only contact the valve body and the corrugated pipe adjusting cone in the circulation process, so that contact with a valve rod, a stuffing box and parts on the valve rod and the upper part of the stuffing box is avoided, the contact range of the media is reduced, the media are prevented from remaining at a gap between the valve rod and the stuffing box, and meanwhile, the corrugated pipe adjusting valve is also used as a valve body sealing element and a flow adjusting element, threaded connection between the parts is reduced, and the residual position of the media is reduced. The problem that the service life of the valve is influenced by the medium is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is apparent that the drawings in the following description are only one embodiment of the present invention, and that other embodiments of the drawings may be derived from the drawings provided without inventive effort for a person skilled in the art.
Fig. 1: the valve part of the invention is a schematic diagram of a front cross-sectional structure (when closed);
fig. 2: the valve part of the invention is a schematic diagram of a front cross-sectional structure (when opened);
fig. 3: schematic of the liquid flow direction (when open);
description of the embodiments
The invention is further illustrated by the following figures and examples:
embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1 to 3, the present embodiment provides a right angle adjusting valve with a tetrafluoro bellows adjusting cone, comprising: the valve body 1, the driving device 2, the controller 3, the stuffing box 4, the corrugated pipe adjusting cone 5 and the valve rod 6; the bellows adjusting cone 5 is positioned between the valve body 1 and the stuffing box 4 and is connected with the valve rod 6, so that an upper cavity 14 of the valve body 1 is completely isolated from the valve rod 6, the stuffing box 4 and parts above the valve rod; the driving device 2 is positioned above the stuffing box 4, and the driving valve rod 6 drives the corrugated pipe adjusting cone 5 to move; when the bellows adjusting cone 5 contacts the valve body 1, the inlet 11 is disconnected from the outlet 12; when the driving device 2 drives the valve rod 6 to drive the corrugated pipe adjusting cone 5 to move upwards, the inlet 11 is communicated with the outlet 12; the cone part of the bellows adjusting cone 5 is positioned in the inner cavity 13 of the valve body 1, and the sectional area of a channel through which medium flows in the inner cavity 13 is changed along with the up-and-down movement of the cone part.
Further, the valve rod 6 is connected with the bellows adjusting cone 5 through threads at the lower part, penetrates through the stuffing box 4 at the middle part, and is connected with the piston 21 in the driving device 2 at the upper part.
Further, the corrugated pipe adjusting cone 5 is made of polytetrafluoroethylene, and a stainless steel embedded nut is arranged at the joint of the corrugated pipe adjusting cone and the valve rod 6.
Further, the driving device 2 is a cylinder, the driving device 2 includes a housing 21, a spring 22, an end cover 23, and a piston 24, the end cover 23 is fixedly connected with the upper end of the stuffing box 4, the piston 24 is located inside the housing 21 and is slidably connected with the housing 21, the housing 21 is formed with an air inlet 25 located below the piston 24, the spring 22 is located above the piston 24, one end of the spring 22 contacts with the piston 24, and the other end contacts with the upper end of the housing 20.
Further, the controller 3 is located above the driving device 2, and the controller 3 includes a body 31 and a controller joint 32; the control connection 32 is connected to the air inlet 25 of the drive 2 via the hose 7.
Working principle:
when the present application is closed, as shown in fig. 1, the inlet 11 and the outlet 12 are disconnected. At this time, compressed gas is not introduced into an air inlet hole of the driving device cylinder, the piston moves downwards under the action of the spring force of the spring, so that a valve rod connected with the piston and the corrugated pipe adjusting cone are driven to move downwards, the conical surface part of the corrugated pipe adjusting cone is contacted with the valve body and is pressed, medium does not circulate, and the inlet 11 and the outlet 12 are disconnected.
When this application is opened, as shown in fig. 2, compressed gas enters into the inlet port of cylinder piston lower part through controller and hose, and the pressure that gas produced overcomes spring force and upwards promotes the piston, and valve rod and bellows regulation awl that links to each other with the piston also upwards move simultaneously, and the conical surface of bellows regulation awl breaks away from the valve body, and the medium is from the entry 12 of valve body this moment, through the cone portion of bellows regulation awl, flows to the valve body upper chamber, finally flows to export 12, and entry 11 and export 12 intercommunication this moment.
The present invention has been described above by way of example, but the present invention is not limited to the above-described embodiments, and any modifications or variations based on the present invention fall within the scope of the present invention.
Claims (5)
1. A right angle regulator valve with tetrafluoro bellows regulating cone, comprising: the valve comprises a valve body (1), a driving device (2), a controller (3), a stuffing box (4), a corrugated pipe adjusting cone (5) and a valve rod (6); the bellows adjusting cone (5) is positioned between the valve body (1) and the stuffing box (4) and is connected with the valve rod (6), so that an upper cavity (14) of the valve body (1) is completely isolated from the valve rod (6), the stuffing box (4) and parts above the valve rod; the driving device (2) is positioned above the stuffing box (4), and the driving valve rod (6) drives the corrugated pipe adjusting cone (5) to move; when the bellows adjusting cone (5) is in contact with the valve body (1), the inlet (11) is disconnected from the outlet (12); when the driving device (2) drives the valve rod (6) to drive the corrugated pipe adjusting cone (5) to move upwards, the inlet (11) is communicated with the outlet (12); the cone part of the corrugated pipe adjusting cone (5) is positioned in the inner cavity (13) of the valve body (1), and the sectional area of a channel through which medium flows in the inner cavity (13) is changed along with the up-and-down movement of the cone part.
2. The right angle regulator valve with tetrafluoro bellows regulator cone according to claim 1, wherein: the lower part of the valve rod (6) is connected with the corrugated pipe adjusting cone (5) through threads, the middle part of the valve rod passes through the stuffing box (4), and the upper part of the valve rod is connected with the piston (21) in the driving device (2).
3. The right angle regulator valve with tetrafluoro bellows regulator cone according to claim 1, wherein: the corrugated pipe adjusting cone (5) is made of polytetrafluoroethylene, and a stainless steel embedded nut is arranged at the joint of the corrugated pipe adjusting cone and the valve rod (6).
4. The right angle regulator valve with tetrafluoro bellows regulator cone according to claim 1, wherein: the driving device (2) is a cylinder, the driving device (2) comprises a shell (21), a spring (22), an end cover (23) and a piston (24), the end cover (23) is fixedly connected with the upper end of the stuffing box (4), the piston (24) is located inside the shell (21) and is in sliding connection with the shell (21), an air inlet (25) is formed in the shell (21) and is located below the piston (24), the spring (22) is located above the piston (24), one end of the spring (22) is in contact with the piston (24), and the other end of the spring is in contact with the upper end of the shell (20).
5. The right angle regulator valve with tetrafluoro bellows regulator cone according to claim 1, wherein: the controller (3) is positioned above the driving device (2), and the controller (3) comprises a body (31) and a controller joint (32); the controller joint (32) is connected with the air inlet (25) of the driving device (2) through a hose (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311656020.XA CN117515259A (en) | 2023-12-05 | 2023-12-05 | Right-angle regulating valve with tetrafluoro corrugated pipe regulating cone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311656020.XA CN117515259A (en) | 2023-12-05 | 2023-12-05 | Right-angle regulating valve with tetrafluoro corrugated pipe regulating cone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117515259A true CN117515259A (en) | 2024-02-06 |
Family
ID=89764471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311656020.XA Pending CN117515259A (en) | 2023-12-05 | 2023-12-05 | Right-angle regulating valve with tetrafluoro corrugated pipe regulating cone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117515259A (en) |
-
2023
- 2023-12-05 CN CN202311656020.XA patent/CN117515259A/en active Pending
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication |