CN207814489U - A kind of cage type throttling valve valve seat - Google Patents
A kind of cage type throttling valve valve seat Download PDFInfo
- 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
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- Lift Valve (AREA)
- Sliding Valves (AREA)
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
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.
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 |
Family
ID=63328886
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)
| Country | Link |
|---|---|
| CN (1) | CN207814489U (en) |
Cited By (2)
| 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 |
-
2017
- 2017-12-29 CN CN201721904851.4U patent/CN207814489U/en not_active Expired - Fee Related
Cited By (2)
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |