CN207814489U - A kind of cage type throttling valve valve seat - Google Patents

A kind of cage type throttling valve valve seat Download PDF

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Publication number
CN207814489U
CN207814489U CN201721904851.4U CN201721904851U CN207814489U CN 207814489 U CN207814489 U CN 207814489U CN 201721904851 U CN201721904851 U CN 201721904851U CN 207814489 U CN207814489 U CN 207814489U
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CN
China
Prior art keywords
throttling
plectane
valve seat
valve
throttle orifice
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.)
Expired - Fee Related
Application number
CN201721904851.4U
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Chinese (zh)
Inventor
林建国
段太建
郑敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deyang Zheng Guang Petroleum Machinery Manufacturing Co Ltd
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Deyang Zheng Guang Petroleum Machinery Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by Deyang Zheng Guang Petroleum Machinery Manufacturing Co Ltd filed Critical Deyang Zheng Guang Petroleum Machinery Manufacturing Co Ltd
Priority to CN201721904851.4U priority Critical patent/CN207814489U/en
Application granted granted Critical
Publication of CN207814489U publication Critical patent/CN207814489U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of cage type throttling valve valve seats,It is related to cage type throttling valve technical field,Solve the problems, such as that flow rate effects caused by existing cage type throttling valve is all made of disposable flow-rate adjustment are bad,The utility model includes valve seat,Valve seat is divided into the movable valve seat of the fixed valve base and lower section of top,Fixed valve base and movable valve seat are cylindrical shape,Fixed valve base lower horizontal is provided with throttling plectane a,The throttle orifice a of arc is provided on throttling plectane a around the center of circle,The circumferential even variation successively of the width of throttle orifice a,Movable valve seat upper portion is set in fixed valve base the lower section,Movable valve seat inner horizontal is provided with the throttling plectane b contacted with throttling plectane a,It is provided with throttle orifice b corresponding with throttle orifice a on throttling plectane b,The diameter of throttle orifice b is identical as throttle orifice a maximum widths,Throttling plectane b circle centre positions are provided with the actuating unit for driving throttling plectane b and movable valve seat rotation.

Description

A kind of cage type throttling valve valve seat
Technical field
The utility model is related to cage type throttling valve technical fields, more particularly to a kind of cage type throttling valve valve Seat.
Background technology
Valve is control unit in pipeline fluid transport system to be had for changing access section and media flow direction The functions such as water conservancy diversion, cut-off, throttling, non-return, shunting or overflow release.For the valve of fluid control, from simplest shut-off valve To various valves used in extremely complex robot control system(RCS), kind and specification are various, and the inside nominal diameter of valve is from atomic small Gauge valve greatly to latus rectum reach 10m industrial pipeline valve, can be used for control water, steam, oil product, gas, mud, various corrosion The various types such as property medium, liquid metal and radioactive fluid fluidly flow.
A variety of kinds of drive can be used in the control of valve, so that opening and closing element is lifted by scheduled requirement action, slide, swing Or rotary motion, to change the size of its flow area to realize its control function.
Throttle valve is by changing throttling section or chock length to control a kind of valve of fluid flow, in industrial circle Middle extensive utilization, and in numerous throttle valves, cage type throttling valve has many advantages, such as that flow-rate adjustment is stable, service life is long, into And be widely used in valve field, although existing cage type throttling valve flow-rate adjustment is stablized, but it is primary Property flow-rate adjustment, and the regulating effect of disposable flow-rate adjustment and bad, it is difficult to flow-rate adjustment be wanted with higher using some In the use environment asked.
Utility model content
The purpose of this utility model is that:Disposable flow-rate adjustment, which is all made of, in order to solve existing cage type throttling valve causes The bad problem of flow rate effects, the utility model provides a kind of cage type throttling valve valve seat.
The utility model specifically uses following technical scheme to achieve the goals above:
A kind of cage type throttling valve valve seat, it is characterised in that:Valve seat is divided into the moving valve of the fixed valve base and lower section of top Seat, fixed valve base and movable valve seat are cylindrical shape, and fixed valve base lower horizontal is provided with throttling plectane a, on throttling plectane a around The center of circle is provided with the throttle orifice a of arc, and circumferentially even variation, movable valve seat upper portion are set in the width of throttle orifice a successively In fixed valve base the lower section, movable valve seat inner horizontal is provided with the throttling plectane b contacted with throttling plectane a, throttling plectane b On be provided with throttle orifice b corresponding with throttle orifice a, the diameter of throttle orifice b is identical as throttle orifice a maximum widths, throttling plectane b circle The actuating unit for driving throttling plectane b and movable valve seat rotation is provided at the heart.
Further, actuating unit includes the central shaft for being fixed on throttling plectane b circle centre positions, and central shaft upper end passes through throttling Plectane a, central shaft top are provided with regulation handle.
Further, uniform on movable valve seat inner wall to offer four sliding slots vertically, adjacent on movable valve seat inner wall Floss hole is offered between sliding slot, throttling plectane b peripheral circumferentials are provided with the sliding block coordinated with sliding slot.
Further, it is the blind area for not opening up throttle orifice a4 between head and the tail on throttling plectane a3, blind area area is more than section The area of discharge orifice b9.
Further, it is provided with buffer rubber gasket on fixed valve base top end face.
Further, it is provided with flat seal between movable valve seat upper portion inner wall and fixed valve base the lower section outer wall Bearing.
The beneficial effects of the utility model are as follows:
1, by regulation handle rotary middle spindle, make central shaft that throttling plectane b be driven to be rotated with movable valve seat, to envoy The throttle orifice b rotations flowed on plectane b are corresponding with the different size of throttle orifice a to throttle on plectane a, using throttle orifice b from it is different Throttle orifice a between cooperation realize to the Secondary Control of flow, to improve valve convection current using the Secondary Control to flow The regulating effect of amount, while the rectified action to fluid also is realized using Secondary Control, it reduces fluid and valve part is rushed It hits, improves valve service life.
2, it using the cooperation of sliding slot and sliding block, may be implemented to make throttling plectane b slide up and down using central shaft, when valve needs When wanting dump, throttling plectane b slide downwards are made by central shaft, so as to so that fluid is quickly discharged from floss hole, Realize the quick drain of fluid when urgent.
3, when valve needs urgent quick closedown, using central axis throttling plectane b, throttle orifice b is made to justify with throttling Blind area (14) on plate a is corresponding, so as to quickly make to close between throttling plectane a and throttling plectane b, compared to conventional cage shell type Throttle valve needs long-time rotation valve rod that cage set is made to decline, and has the function of more rapidly closing valve.
4, buffer rubber gasket can reduce the impact to valve seat when cage set declines, and extend the service life of valve.
5, flat seal bearing plays the sealing function between fixed valve base and movable valve seat, while also movable valve seat being made to exist It can preferably be rotated under the action of central shaft.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the vertical view of throttling plectane a in Fig. 1;
Reference numeral:1- regulation handles, 2- central shafts, 3- throttling plectane a, 4- throttle orifice a, 5- buffer rubber gaskets, 6- are solid Determine valve seat, 7- movable valve seats, 8- flat seal bearings, 9- throttle orifices b, 10- throttling plectane b, 11- sliding block, 12- sliding slots, 13- rows Put mouth, the blind areas 14-.
Specific implementation mode
In order to which those skilled in the art are better understood from the utility model, below in conjunction with the accompanying drawings with following embodiment to this Utility model is described in further detail.
Embodiment 1
A kind of cage type throttling valve valve seat, valve seat are divided into the movable valve seat 7 of the fixed valve base 6 and lower section of top, fixed valve Seat 6 is cylindrical shape with movable valve seat 7, and 6 lower horizontal of fixed valve base is provided with throttling plectane a3, around the center of circle on the plectane a3 that throttles It is provided with the throttle orifice a4 of arc, the circumferential even variation successively of width of throttle orifice a4,7 upper portion of movable valve seat is set in solid Determine in 6 the lower section of valve seat, 7 inner horizontal of movable valve seat is provided with the throttling plectane b10 contacted with throttling plectane a3, throttling circle Throttle orifice b9 corresponding with throttle orifice a4 is provided on plate b10, the diameter of throttle orifice b9 is identical as throttle orifice a4 maximum widths, section Stream plectane b10 circle centre positions are provided with the actuating unit for driving throttling plectane b10 to be rotated with movable valve seat 7.
Operation principle:When fluid enters cage type throttling valve, fluid flow is realized with spool by cage set first It adjusts for the first time, subsequent fluid enters by spool in fixed valve base 6, the throttling plectane a3 that fluid passes through 6 bottom end of fixed valve base On throttle orifice a4 and throttling plectane b10 on throttle orifice b9 between Secondary Control after discharge valve, while can be in Mandrel makes throttling plectane b10 rotate, to make throttle orifice b9 and different size of throttle orifice a4 be coordinated to meet not cocurrent flow The adjusting for measuring size needs.
By regulation handle rotary middle spindle, make central shaft that throttling plectane b be driven to be rotated with movable valve seat, to make throttling Throttle orifice b rotation on plectane b is corresponding with the different size of throttle orifice a to throttle on plectane a, using throttle orifice b from it is different The Secondary Control to flow is realized in cooperation between throttle orifice a, to improve valve to flow using the Secondary Control to flow Regulating effect, while also realizing the rectified action to fluid using Secondary Control, reduce impact of the fluid to valve part, Improve valve service life.
Embodiment 2
The present embodiment is improved on the basis of embodiment 1:
Actuating unit includes the central shaft 2 for being fixed on throttling plectane b10 circle centre positions, and 2 upper end of central shaft passes through throttling plectane A3,2 top of central shaft are provided with regulation handle 1.
Embodiment 3
The present embodiment is improved on the basis of above example:
It is uniform on 7 inner wall of movable valve seat to offer four sliding slots 12 vertically, in adjacent sliding slot 12 on 7 inner wall of movable valve seat Between offer floss hole 13, throttling plectane b10 peripheral circumferentials are provided with the sliding block 11 coordinated with sliding slot 12.
The above advantage of improving is:Using the cooperation of sliding slot and sliding block, may be implemented to make on throttling plectane b using central shaft Lower slider makes throttling plectane b slide downwards when valve needs dump by central shaft, so as to so that fluid from row It puts in mouth and is quickly discharged, realize the quick drain of fluid when urgent.
Embodiment 4
The present embodiment is improved on the basis of above example:
It is the blind area 14 for not opening up throttle orifice a4 between head and the tail on throttling plectane a3,14 area of blind area is more than throttle orifice b9 Area.
The above advantage of improving is:When valve needs urgent quick closedown, using central axis throttling plectane b, make Throttle orifice b is corresponding with the blind area on throttling plectane a, so as to quickly make to close between throttling plectane a and throttling plectane b, phase It needs long-time rotation valve rod that cage set is made to decline than conventional cage type throttling valve, has the function of more rapidly closing valve.
Embodiment 5
The present embodiment is improved on the basis of above example:
It is provided with buffer rubber gasket 5 on 6 top end face of fixed valve base.
The above advantage of improving is:Buffer rubber gasket can reduce the impact to valve seat when cage set declines, and extend valve Service life.
Embodiment 6
The present embodiment is improved on the basis of above example:
It is provided with flat seal bearing 8 between 6 the lower section outer wall of 7 upper portion inner wall of movable valve seat and fixed valve base.
The above advantage of improving is:Flat seal bearing plays the sealing function between fixed valve base and movable valve seat, together When also make movable valve seat that can preferably be rotated under the action of central shaft.
The above, the only preferred embodiment of the utility model, are not intended to limit the utility model, the utility model Scope of patent protection be subject to claims, it is equivalent made by every specification and accompanying drawing content with the utility model Structure change similarly should be included in the scope of protection of the utility model.

Claims (6)

1. a kind of cage type throttling valve valve seat, it is characterised in that:Valve seat is divided into the moving valve of fixed valve base (6) and lower section of top Seat (7), fixed valve base (6) are cylindrical shape with movable valve seat (7), and fixed valve base (6) lower horizontal is provided with throttling plectane a (3), the throttle orifice a (4) of arc is provided on throttling plectane a (3) around the center of circle, the width of throttle orifice a (4) is circumferential uniformly to be become successively Change, movable valve seat (7) upper portion is set in fixed valve base (6) the lower section, movable valve seat (7) inner horizontal be provided with It is provided with throttle orifice corresponding with throttle orifice a (4) on the throttling plectane b (10) that the plectane a (3) that throttles is contacted, throttling plectane b (10) The diameter of b (9), throttle orifice b (9) are identical as throttle orifice a (4) maximum widths, and throttling plectane b (10) circle centre position is provided with drive section Flow the actuating unit of plectane b (10) and movable valve seat (7) rotation.
2. cage type throttling valve valve seat according to claim 1, it is characterised in that:Actuating unit includes being fixed on throttling circle The central shaft (2) of plate b (10) circle centre position, central shaft (2) upper end pass through throttling plectane a (3), and central shaft (2) top is provided with tune Save handle (1).
3. cage type throttling valve valve seat according to claim 1, it is characterised in that:It is uniform on movable valve seat (7) inner wall Four sliding slots (12) are offered vertically, offer floss hole (13) on movable valve seat (7) inner wall between adjacent sliding slot (12), are saved Stream plectane b (10) peripheral circumferential is provided with the sliding block (11) with sliding slot (12) cooperation.
4. cage type throttling valve valve seat according to claim 3, it is characterised in that:It is between head and the tail on throttling plectane a (3) The blind area (14) of (4) throttle orifice a is not opened up, blind area (14) area is more than the area of throttle orifice b (9).
5. cage type throttling valve valve seat according to claim 4, it is characterised in that:It is arranged on fixed valve base (6) top end face There is buffer rubber gasket (5).
6. cage type throttling valve valve seat according to claim 4, it is characterised in that:Movable valve seat (7) upper portion inner wall It is provided with flat seal bearing (8) between fixed valve base (6) the lower section outer wall.
CN201721904851.4U 2017-12-29 2017-12-29 A kind of cage type throttling valve valve seat Expired - Fee Related CN207814489U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721904851.4U CN207814489U (en) 2017-12-29 2017-12-29 A kind of cage type throttling valve valve seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721904851.4U CN207814489U (en) 2017-12-29 2017-12-29 A kind of cage type throttling valve valve seat

Publications (1)

Publication Number Publication Date
CN207814489U true CN207814489U (en) 2018-09-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721904851.4U Expired - Fee Related CN207814489U (en) 2017-12-29 2017-12-29 A kind of cage type throttling valve valve seat

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109341155A (en) * 2018-10-29 2019-02-15 珠海格力电器股份有限公司 Throttling set and air-conditioner set
CN113075941A (en) * 2021-03-29 2021-07-06 广东韶钢松山股份有限公司 Water addition system and water addition control method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109341155A (en) * 2018-10-29 2019-02-15 珠海格力电器股份有限公司 Throttling set and air-conditioner set
CN113075941A (en) * 2021-03-29 2021-07-06 广东韶钢松山股份有限公司 Water addition system and water addition control method

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180904

Termination date: 20201229

CF01 Termination of patent right due to non-payment of annual fee