CN205578885U - Miniature flow regulating valve - Google Patents
Miniature flow regulating valve Download PDFInfo
- Publication number
- CN205578885U CN205578885U CN201620324240.1U CN201620324240U CN205578885U CN 205578885 U CN205578885 U CN 205578885U CN 201620324240 U CN201620324240 U CN 201620324240U CN 205578885 U CN205578885 U CN 205578885U
- Authority
- CN
- China
- Prior art keywords
- valve
- seat
- flow regulating
- filler
- micro
- 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
Links
Landscapes
- Lift Valve (AREA)
- Safety Valves (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The utility model discloses a miniature flow regulating valve, its include valve body, actuating mechanism and with the locator that actuating mechanism connects, actuating mechanism's input is provided with the relief pressure valve, actuating mechanism's output is provided with the push rod, the output and the valve rod of push rod are connected, the lower extreme of valve rod stretches into in the valve gap and is in through setting up it is connected with the case that sets up in the valve body to go up the uide bushing of valve gap bottom, the case is in with the setting valve seat seal on the valve body connects, the disk seat includes main valve seat and auxiliary valve seat, main valve seat and auxiliary valve seat pass through holder fixed connection, the holder passes through the clamping ring to be fixed on the valve body. The utility model discloses the structure is fairly simple, and through setting up the filler, sealed effectual, it is little to let out leakage quantity, the design of bivalve seat for the precision height is adjusted to the governing valve, and control range is big, can carry out accurate control to smart low discharge.
Description
Technical field
This utility model relates to a kind of micro-flow regulating valve.
Background technology
In the automatically controlling of modern plant, regulation valve plays a very important role, the production of these factories
Depend on that the medium flowed correctly distributes and controls.These control the reduction of the either exchange of energy, pressure
Or simply container charging, it is required for some final element that controls and has gone.Existing regulating valve structure ratio
More complicated, sealing is poor, and leakage rate is big, and regulation valve regulation precision is low, and range of accommodation is little, it is impossible to essence rill
Amount is precisely controlled.
Utility model content
The technical problems to be solved in the utility model is the defect overcoming prior art, it is provided that a kind of tiny flow quantity is adjusted
Joint valve.
In order to solve above-mentioned technical problem, this utility model provides following technical scheme:
This utility model one micro-flow regulating valve, it include valve body, actuator and with described actuator
The localizer connected, the input of described actuator is provided with air relief valve, and the outfan of described actuator sets
Being equipped with push rod, the outfan of described push rod is connected with valve rod；The lower end of described valve rod extend in bonnet, and leads to
Cross and be arranged on the fairlead bottom described bonnet, and be connected with the spool being arranged in valve body；Described spool and setting
Valve base sealing on described valve body connects；Described valve seat includes main valve seat and auxiliary-seat, described main valve seat and pair
Valve seat connects by retainer is fixing, and described retainer is fixed on valve body by trim ring.
Further, it is provided with support between described bonnet, and described actuator.
Further, being provided with filler in the space between described valve rod and described bonnet, described filler passes through
Gland seals, and the bottom of described filler is provided with Packing seat, and the centre of described filler is provided with filler
Spacer.
Further, described gland being provided with hold-down grid, described hold-down grid passes through bolt with described
Bonnet, is fixing to be connected.
Further, described valve rod is connected by fixture block with the outfan of described push rod.
Further, described actuator is pneumatic diaphragn actuating mechanism or electric operator.
This utility model is reached to provide the benefit that:
This utility model is relatively simple for structure, and by arranging filler, good sealing effect, leakage rate is little；Double-valve-seat
Design so that regulation valve regulation precision is high, and range of accommodation is big, it is possible to essence low discharge is precisely controlled.
Accompanying drawing explanation
Accompanying drawing is used for providing being further appreciated by of the present utility model, and constitutes a part for description, with this
The embodiment of utility model is used for explaining this utility model together, is not intended that restriction of the present utility model.?
In accompanying drawing:
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is illustrated, it will be appreciated that described herein
Preferred embodiment be merely to illustrate and explain this utility model, be not used to limit this utility model.
As it is shown in figure 1, this utility model one micro-flow regulating valve, it includes valve body 1, actuator 2
And the localizer 3 being connected with described actuator 2, the input of described actuator 2 is provided with air relief valve 4,
The outfan of described actuator 2 is provided with push rod 5, and the outfan of described push rod 5 is connected with valve rod 6；Institute
State in the lower end of valve rod 6 extend into bonnet, 7 and by being arranged on the fairlead 8 bottom described bonnet, 7
It is connected with the spool 9 being arranged in valve body 1；Described spool 9 and the valve base sealing being arranged on described valve body 1
Connect；Described valve seat includes that main valve seat 10 and auxiliary-seat 11, described main valve seat 10 and auxiliary-seat 11 are by protecting
Holding the fixing connection of frame 12, described retainer 12 is fixed on valve body 1 by trim ring 13.Described bonnet, 7
And it is provided with support 14 between described actuator 2.Space between described valve rod 6 and described bonnet, 7
Inside being provided with filler 15, described filler 15 is sealed by gland 16, the bottom of described filler 15
Being provided with Packing seat 17, the centre of described filler 15 is provided with filler spacer 18.On described gland 16
Being provided with hold-down grid 19, described hold-down grid 19 is connected by bolt 20 is fixing with described bonnet, 7.
Described valve rod 6 is connected by fixture block 21 with the outfan of described push rod 5.In the present embodiment, described execution machine
Structure 2 is pneumatic diaphragn actuating mechanism.
In this utility model, described air relief valve is needed for being adjusted to supply pressure localizer and controlling device
Force value；Described valve body is connected with pipeline for guarantee, accepts trim and bonnet, position is fixed；Described
Spool is used for regulated fluid flow, different spool shapes, and regulation form is different；Described valve rod is used for connecting execution
Mechanism and spool；Described valve seat for spool with the use of, utilize spool aperture regulate rate-of flow；Described
Fairlead is for the relative position of fixed spool；Described gland is used for compressing filler, causes packing seal；
Described filler does not leaks outside for sealed valve stem medium；Described localizer is for accepting 4～20mA from control system
DC current signal, and control to enter the air mass flow in actuator, it is achieved electric automatization controls.Described
Actuator effect: during ventilation, the thrust that gas pressure produces on diaphragm overcomes the counteracting force of spring, makes
Push rod arrives the position of regulation；During flatus, the elastic force by spring reset makes push rod return to initial position.
Operation principle: localizer controls to actuator conveying by accepting 4～20mA DC current signals
Air, pressure increases promotion thin film thus controls the lifting height of push rod, and push rod is connected with valve rod fixture block, valve
Bar is connected with spool, i.e. controls the lifting height of spool, and valve utilizes gap between spool action and valve seat
Control fluid flow；During no signal, actuator makes valve closing by the pushed down push rod of spring reset.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, it is not used to limit
This utility model processed, although being described in detail this utility model with reference to previous embodiment, for ability
For the technical staff in territory, the technical scheme described in foregoing embodiments still can be modified by it, or
Person carries out equivalent to wherein portion of techniques feature.All within spirit of the present utility model and principle, made
Any modification, equivalent substitution and improvement etc., within should be included in protection domain of the present utility model.
Claims (6)
1. micro-flow regulating valve, it is characterised in that include valve body, actuator and with described actuator
The localizer connected, the input of described actuator is provided with air relief valve, and the outfan of described actuator sets
Being equipped with push rod, the outfan of described push rod is connected with valve rod；The lower end of described valve rod extend in bonnet, and leads to
Cross and be arranged on the fairlead bottom described bonnet, and be connected with the spool being arranged in valve body；Described spool and setting
Valve base sealing on described valve body connects；Described valve seat includes main valve seat and auxiliary-seat, described main valve seat and pair
Valve seat connects by retainer is fixing, and described retainer is fixed on valve body by trim ring.
Micro-flow regulating valve the most according to claim 1, it is characterised in that described bonnet, and institute
State and between actuator, be provided with support.
Micro-flow regulating valve the most according to claim 1, it is characterised in that described valve rod is with described
Being provided with filler in space between bonnet, described filler is sealed by gland, described filler
Bottom is provided with Packing seat, and the centre of described filler is provided with filler spacer.
Micro-flow regulating valve the most according to claim 3, it is characterised in that on described gland
Being provided with hold-down grid, described hold-down grid is connected by bolt and described bonnet, are fixing.
Micro-flow regulating valve the most according to claim 1, it is characterised in that described valve rod is with described
The outfan of push rod is connected by fixture block.
6. according to the arbitrary described micro-flow regulating valve of Claims 1 to 5, it is characterised in that described execution
Mechanism is pneumatic diaphragn actuating mechanism or electric operator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620324240.1U CN205578885U (en) | 2016-04-18 | 2016-04-18 | Miniature flow regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620324240.1U CN205578885U (en) | 2016-04-18 | 2016-04-18 | Miniature flow regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205578885U true CN205578885U (en) | 2016-09-14 |
Family
ID=56863057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620324240.1U Expired - Fee Related CN205578885U (en) | 2016-04-18 | 2016-04-18 | Miniature flow regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205578885U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366755A (en) * | 2017-08-07 | 2017-11-21 | 无锡鑫华控阀业有限公司 | The wide flow-rate ratio regulating valve of argon gas bottom blowing |
| CN108105393A (en) * | 2017-12-05 | 2018-06-01 | 浙江联大阀门有限公司 | A kind of micro-flow regulating valve |
| CN110131442A (en) * | 2019-06-14 | 2019-08-16 | 无锡鑫华控阀业有限公司 | A kind of three-way control valve structure |
-
2016
- 2016-04-18 CN CN201620324240.1U patent/CN205578885U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366755A (en) * | 2017-08-07 | 2017-11-21 | 无锡鑫华控阀业有限公司 | The wide flow-rate ratio regulating valve of argon gas bottom blowing |
| CN108105393A (en) * | 2017-12-05 | 2018-06-01 | 浙江联大阀门有限公司 | A kind of micro-flow regulating valve |
| CN110131442A (en) * | 2019-06-14 | 2019-08-16 | 无锡鑫华控阀业有限公司 | A kind of three-way control valve structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205578885U (en) | Miniature flow regulating valve | |
| CN205781318U (en) | Labyrinth type noise reduction regulation valve | |
| CN106090268A (en) | A kind of control valve automatic control system | |
| CN207333735U (en) | A kind of novel pneumatic regulating valve | |
| CN205578744U (en) | Desuperheater | |
| CN205190776U (en) | Pneumatic membrane regulating valve | |
| CN202431990U (en) | Pneumatic hard seal quick switching valve | |
| CN210318636U (en) | Three-way control valve | |
| CN210266144U (en) | Bellows self-operated regulating valve | |
| CN205715946U (en) | A kind of water pipeline regulation valve | |
| CN204592329U (en) | The light-duty butterfly valve of low load | |
| CN203906931U (en) | Pilot-operated type pressure reducing valve | |
| CN205578884U (en) | Keep warm and press from both sides sleeving valve | |
| CN105351536A (en) | Pneumatic film adjusting valve | |
| CN110131442A (en) | A kind of three-way control valve structure | |
| CN206221725U (en) | A kind of pressure regulator valve | |
| CN205678198U (en) | Adjustable pressure safety value | |
| CN219432591U (en) | Adjusting valve rod for pneumatic adjusting valve | |
| CN204459181U (en) | A kind of small-bore single-seat adjusting valve | |
| CN207584104U (en) | A kind of gas piping safety valve | |
| CN202756711U (en) | Pressure reduction and stabilization valve | |
| CN205401808U (en) | Gasbag formula governing valve | |
| CN217177457U (en) | Electric regulating valve capable of improving regulating precision | |
| CN205190861U (en) | Bivalve core self -operated pressure control valve | |
| CN212745113U (en) | Pilot-operated regulating valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |