CN206539710U - A kind of micro-flow regulating valve - Google Patents
A kind of micro-flow regulating valve Download PDFInfo
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- CN206539710U CN206539710U CN201720198529.8U CN201720198529U CN206539710U CN 206539710 U CN206539710 U CN 206539710U CN 201720198529 U CN201720198529 U CN 201720198529U CN 206539710 U CN206539710 U CN 206539710U
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Abstract
The utility model discloses a kind of micro-flow regulating valve, including valve body, valve seat and valve element, described valve base sealing is pressed on valve inner, the valve element is slidably connected with valve seat, cone seal body is provided with cone seal chamber with being provided with valve seat cooperation on cone seal body, described valve seat on described valve element；It is provided with described valve element in flow control cone, described flow control cone and is provided with flow control inclined-plane, described flow controls inclined-plane to control the big end of cone to be obliquely installed to small end from flow.The micro-flow regulating valve, simple in construction, degree of regulation is high, and Automated condtrol can be achieved, and valve body uses compression type attachment structure with valve seat, it is possible to achieve Quick Release, interchangeability is strong, and compact conformation is easy to safeguard；Inclined-plane is controlled using flow, easy to process, precision is high, with good low discharge regulating power, while being also avoided that medium directly washing away to sealing surface when pressure difference is larger, extend the service life of valve.
Description
Technical field
The utility model is related to regulating valve technical field, more particularly, to a kind of micro-flow regulating valve.
Background technology
On the petrochemical equipment such as oil, chemical industry PE, PP, it is often necessary to which the minim stream of reaction is participated in detection and control
Amount.It is many that flow control is realized using measuring pump for the feed system of liquid, but to tiny flow quantity control, it is more to use
Manual Mini-adjustable valve control, this control mode labor intensity is big, and degree of regulation is not high.Had a strong impact on production efficiency and
Quality, and the regulation performance of existing micro-flow regulating valve is poor, it is impossible to realize the industrial automation of micro-flow regulating valve
Control.
Chinese patent literature（The day for announcing：On June 20th, 2012, notification number：CN 102506180A）Disclose a kind of regulation
Precision is high, the micro-flow regulating valve that circulation area is concentrated, including sleeve valve seat and the valve element being arranged in sleeve valve seat, described
Boss is provided with the delivery port of sleeve valve seat, the poppet head is fitted close with boss, and the poppet head side is set
The fluid for having area of passage to be tapered into along water inlet direction passes through groove；Further, the fluid is triangle bodily form groove by groove.Valve
Core is focused on whole circulation area in one groove by original ring-like area so that local area increases and is difficult by tiny miscellaneous
Thing is blocked, and the fluid is tapered into by the area of passage of groove along water inlet direction, it is possible to achieve linear regulation, and the triangle bodily form
Groove is designed, and can make flow control more accurate and easy processing, valve core diameter can be bigger than existing valve core diameter, processes intensity
It is guaranteed.
Above-mentioned technical proposal realizes the control to flow by setting vee gutter on valve element, realizes degree of regulation
The raising of control, the problem of solution circulation area is not concentrated.But the technical scheme is there is also processed complex, service life is short etc. asks
Topic.
Utility model content
The utility model is in order to which the regulation performance for overcoming existing micro-flow regulating valve is poor, it is impossible to realize small stream
The problem of industrial automatic control of adjustable valve, and a kind of easy to process, service life of offer is long, can greatly improve small
The regulation performance of flow control valve, realizes the micro-flow regulating valve of the industrial automatic control of micro-flow regulating valve.
The utility model realizes that the technical scheme that its technical purpose is used is：A kind of micro-flow regulating valve, including valve
Body, valve seat and valve element, described valve base sealing are pressed on valve inner, and the valve element is slidably connected with valve seat, described
Cone seal body is provided with cone seal with being provided with valve seat cooperation on cone seal body, described valve seat on valve element
Chamber；It is provided with described valve element in flow control cone, described flow control cone and is provided with flow control inclined-plane, it is described
Flow control inclined-plane from flow control cone big end be obliquely installed to small end.The micro-flow regulating valve, it is simple in construction, make
It is high with convenient, degree of regulation, Automated condtrol can be achieved.The micro-flow regulating valve, valve body is connected with valve seat using compression type
Structure, eliminates screw-type valve seat, it is not necessary to which specific purpose tool can just be dismounted to valve, it is possible to achieve Quick Release, modularization knot
Structure is designed, and interchangeability is strong, and compact conformation is easy to safeguard.The micro-flow regulating valve, flow is provided with flow control cone
Control inclined-plane, flow control inclined-plane, easy to process, precision is high, with good low discharge regulating power, at the same pressure difference compared with
Also medium directly washing away to sealing surface is avoided that when big, the service life of valve is extended.
Preferably, described valve element includes valve core and executing agency connection end, described executing agency connection end is set
Put in the upper end of valve core, described flow control cone is arranged on the lower end of valve core, described cone seal body is integrally set
Put on the valve element for controlling above cone in flow, the cone maximum gauge of described cone seal body is more than the diameter of valve core.
The said structure of valve element both facilitated to be connected with executing agency, is also convenient for the processing of valve element, the said structure increase of cone seal body
The conical diameter of cone seal body, is unlikely to deform during turning, and easy to process, precision is high, ensure that the good of valve flow
Control.
Preferably, described valve inner is provided with valve seat installation cavity, described valve seat is pressed on valve by a valve cage
On seat installation cavity, the flow control chamber for controlling cone to be engaged with flow is provided with described valve seat.Valve inner sets valve
Seat installation cavity, which facilitates, sets flow control chamber to be to be realized to coordinate with flow control body to small stream on the crimping of valve seat, valve seat
The accurate control of amount.
Preferably, being provided with bonnet on described valve body, the upper end sealing of described bonnet with valve cage is crimped, described
Packing cavity and spool chamber are set inside bonnet, and described packing cavity is internally provided with filler assembly, and described filler assembly passes through
One gland is pressed on inside packing cavity, and described valve element is through on gland, filler assembly and spool chamber and valve seat
Flow control chamber is engaged, and flow control cone is slidably matched with flow control chamber.
Preferably, described filler assembly includes one group of filling body and a spring.
Preferably, flow controls the flow in cone to control inclined-plane to be a grinding inclined-plane.Flow control inclined-plane is using mill
Inclined-plane is cut, it is easy to process, it is only necessary to which that valve element is adjusted into an angle can just be ground, and machining accuracy is high, deflection is small very
It is adapted to the valve element of processing control valve for small flows.
The beneficial effects of the utility model are：The micro-flow regulating valve, simple in construction, easy to use, degree of regulation is high,
Automated condtrol can be achieved；Valve body uses compression type attachment structure with valve seat, it is possible to achieve Quick Release, Modular Structure Design, mutually
Transsexual strong, compact conformation is easy to safeguard；Flow control inclined-plane is provided with flow control cone, the flow controls inclined-plane, plus
Work is convenient, and precision is high, with good low discharge regulating power, while being also avoided that medium to sealing surface when pressure difference is larger
Directly wash away, extend the service life of valve.
Brief description of the drawings
Fig. 1 is a kind of structural representation of micro-flow regulating valve of the present utility model；
Fig. 2 is a kind of structural representation of valve element in the utility model；
In figure：1st, valve body, 2, valve seat, 3, valve element, 4, cone seal body, 5, cone seal chamber, 6, flow control cone,
7th, flow control inclined-plane, 8, valve core, 9, executing agency connection end, 10, valve seat installation cavity, 11, valve cage, 12, flow control chamber,
13rd, bonnet, 14, packing cavity, 15, spool chamber, 16, filler assembly, 17, gland, 18, filling body, 19, spring.
Embodiment
Under the technical solution of the utility model is described in further detail by specific embodiment and with reference to accompanying drawing.
Embodiment 1：
In the embodiment shown in fig. 1, a kind of micro-flow regulating valve, including valve body 1, valve seat 2 and valve element 3, valve seat 2 are close
Envelope is pressed on inside valve body 1, and valve element 3 is slidably connected with valve seat 2, with being provided with cone seal at the cooperation of valve seat 2 on valve element 3
Cone seal body 4 is provided with cone seal chamber 5 on body 4, valve seat 2；Flow control cone 6, flow are provided with valve element 3
Flow control inclined-plane 7 is provided with control cone 6, flow controls inclined-plane 7 to control the big end of cone 6 to be set to small end inclination from flow
Put.Flow control inclined-plane 7 in flow control cone 6 is a grinding inclined-plane（Fig. 2）.
Valve element 3 includes valve core 8 and executing agency connection end 9, and executing agency connection end 9 is arranged on the upper end of valve core 8,
Flow control cone 6 is arranged on the lower end of valve core 8, and cone seal body 4 is integrally disposed upon the valve element of the top of flow control cone 6
On 3, the cone maximum gauge of cone seal body 4 is more than the diameter of valve core 8.
Valve body 1 is internally provided with valve seat installation cavity 10, and valve seat 2 is pressed on valve seat installation cavity 10 by a valve cage 11, valve
The flow control chamber 12 for controlling cone 6 to be engaged with flow is provided with seat 2.
Bonnet 13 is provided with valve body 1, bonnet 13 is crimped with the upper end sealing of valve cage 11, and the inside of bonnet 13 sets packing cavity
14 and spool chamber 15, packing cavity 14 is internally provided with filler assembly 16, and filler assembly 16 is pressed on by a gland 17 and filled out
Expect inside chamber 14, valve element 3 passes through gland 17, filler assembly 16 and spool chamber 15 and the phase of flow control chamber 12 on valve seat 2
Coordinate, and flow control cone 6 is slidably matched with flow control chamber 12.Filler assembly 16 includes one group of bullet of filling body 18 and one
Spring 19.
The micro-flow regulating valve, during installation, first all cleans up part, and valve seat 2 and gasket seal are loaded
On valve seat installation cavity 10 inside valve body 1, then valve cage 11 is loaded on valve body and valve seat 2 is compressed；Then by valve element 3 and bonnet 13
Combination, bonnet 13 and gasket seal load valve body 1, then filler assembly 16 is loaded inside the packing cavity 14 of bonnet 13, by filler
Gland 17 loads bonnet 13 and completes assembling.Executing agency connection end 9 is connected with pneumatic diaphragn actuating mechanism, will need to only be performed
Mechanism is installed on bonnet 13 and tightening fastener parts can be connected, and can also match other executing agencies, and assembling, maintenance are extremely square
Just.
The micro-flow regulating valve, the small stream of the high achievable Automated condtrol of simple in construction, easy to use, degree of regulation
Adjustable valve.Connected between valve seat and valve body using compression type, eliminate screw-type valve seat, it is not necessary to which specific purpose tool just can be to valve
Door is dismounted, it is possible to achieve Quick Release, Modular Structure Design, and interchangeability is strong, and compact conformation is easy to safeguard.In view of old structure
Conical valve core diameter is small, is easily deformed during turning and the higher processing of size tolerance requirements is more difficult, precision is difficult to control to, directly
Connecing causes valve flow exceeded, causes the problems such as percent defective is high.The regulating valve is using unique flow control ramp type valve element knot
Structure, can control inclined-plane using grinding machine flow, it is only necessary to which valve element is adjusted into an angle can just be ground, and processing is more simple
It is single, and machining accuracy is high, the small valve element for being especially suitable for processing control valve for small flows of deflection.The seal spool type of old structure
Formula, in grinding, abrasive sand is easily accessible the cooperation position of valve element and valve seat, has so been damaged while grinding seal surface section
Stream interface, makes its fit clearance become big, valve is lost low discharge regulating power.The regulating valve enters cone seal body to both sides
Go expansion, increase the diameter of cone seal body, such structure is also avoided that medium to sealing surface when pressure difference is larger
Directly wash away, extend the service life of valve.The micro-flow regulating valve, substantially increases the regulation of micro-flow regulating valve
Performance, realizes the industrial automatic control of micro-flow regulating valve.
Claims (6)
1. a kind of micro-flow regulating valve, including valve body（1）, valve seat（2）And valve element（3）, it is characterised in that：Described valve seat
（2）Sealing is pressed on valve body（1）Inside, the valve element（3）With valve seat（2）Sliding connection, described valve element（3）Upper and valve
Seat（2）Cone seal body is provided with cooperation（4）, described valve seat（2）It is upper to correspond to cone seal body（4）It is provided with taper close
Seal chamber（5）；Described valve element（3）On be provided with flow control cone（6）, described flow control cone（6）On be provided with stream
Amount control inclined-plane（7）, described flow control inclined-plane（7）Cone is controlled from flow（6）Big end be obliquely installed to small end.
2. a kind of micro-flow regulating valve according to claim 1, it is characterised in that：Described valve element（3）Including valve element
Body（8）With executing agency connection end（9）, described executing agency connection end（9）It is arranged on valve core（8）Upper end, it is described
Flow controls cone（6）It is arranged on valve core（8）Lower end, described cone seal body（4）It is integrally disposed upon flow control cone
Body（6）The valve element of top（3）On, described cone seal body（4）Cone maximum gauge be more than valve core（8）Diameter.
3. a kind of micro-flow regulating valve according to claim 1, it is characterised in that：Described valve body（1）Inside is set
There is valve seat installation cavity（10）, described valve seat（2）Pass through a valve cage（11）It is pressed on valve seat installation cavity（10）On, described valve seat
（2）On be provided with and flow control cone（6）The flow control chamber being engaged（12）.
4. a kind of micro-flow regulating valve according to claim 3, it is characterised in that：Described valve body（1）On be provided with
Bonnet（13）, described bonnet（13）With valve cage（11）Upper end sealing crimping, described bonnet（13）Inside sets packing cavity
（14）And spool chamber（15）, described packing cavity（14）It is internally provided with filler assembly（16）, described filler assembly（16）It is logical
Cross a gland（17）It is pressed on packing cavity（14）Inside, described valve element（3）Through gland（17）, filler assembly
（16）And spool chamber（15）With valve seat（2）On flow control chamber（12）It is engaged, and flow control cone（6）With flow control
Chamber processed（12）It is slidably matched.
5. a kind of micro-flow regulating valve according to claim 4, it is characterised in that：Described filler assembly（16）Including
One group of filling body（18）With a spring（19）.
6. a kind of micro-flow regulating valve according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that：Flow control cone
Body（6）On flow control inclined-plane（7）For a grinding inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720198529.8U CN206539710U (en) | 2017-03-02 | 2017-03-02 | A kind of micro-flow regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720198529.8U CN206539710U (en) | 2017-03-02 | 2017-03-02 | A kind of micro-flow regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206539710U true CN206539710U (en) | 2017-10-03 |
Family
ID=59942680
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720198529.8U Active CN206539710U (en) | 2017-03-02 | 2017-03-02 | A kind of micro-flow regulating valve |
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| Country | Link |
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| CN (1) | CN206539710U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591486A (en) * | 2018-06-08 | 2018-09-28 | 上海市特种设备监督检验技术研究院 | A kind of spool valve seat construction and adjusting method for small flow high-precision regulating valve |
| CN108930802A (en) * | 2018-09-25 | 2018-12-04 | 上海净有流体科技有限公司 | Sanitation-grade micrometeor intelligent regulating valve |
-
2017
- 2017-03-02 CN CN201720198529.8U patent/CN206539710U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591486A (en) * | 2018-06-08 | 2018-09-28 | 上海市特种设备监督检验技术研究院 | A kind of spool valve seat construction and adjusting method for small flow high-precision regulating valve |
| CN108930802A (en) * | 2018-09-25 | 2018-12-04 | 上海净有流体科技有限公司 | Sanitation-grade micrometeor intelligent regulating valve |
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