CN2556449Y - Electric flow control valve - Google Patents
Electric flow control valve Download PDFInfo
- Publication number
- CN2556449Y CN2556449Y CN 02237958 CN02237958U CN2556449Y CN 2556449 Y CN2556449 Y CN 2556449Y CN 02237958 CN02237958 CN 02237958 CN 02237958 U CN02237958 U CN 02237958U CN 2556449 Y CN2556449 Y CN 2556449Y
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- CN
- China
- Prior art keywords
- diaphragm
- regulating valve
- hole
- loam cake
- automatic
- 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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- Fluid-Driven Valves (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model belongs to the heating and heat input technical field and relates to the improvement of a flow rate control device of a heating and heat input equipment. The utility model comprises a valve body 1, an upper cover 2, a lower cover 3, an automatic regulating valve arranged in the lower port of the valve body 1 and automatically balancing setting flow rate, a regulating valve seat 6 arranged between a water inlet cavity 4 and a water outlet cavity 5, a regulating valve rod 8 and a regulating valve flap 7, and the utility model is characterized in that an electrohydraulic actuator 10 is arranged on the upper cover 2 and a driving shaft of the actuator is connected with the regulating valve rod 8 through a coupling 11. The utility model realizes automatic flow rate setting and flow rate regulation and meanwhile improves the precision of setting and regulating.
Description
Technical field.The utility model belongs to heating, heat supply process field, relates to the improvement to flow control device in heating, the heating equipment.
Background of invention.China utility model patent ZL00231495.9 " flow control valve " is the best valve of current flux control performance.It has done improvement to the automatic regulating valve in the flow control valve in the past, has obtained the better controlled precision.But its flow set mechanism adopts a manual modulation valve, must manually carry out flow set, can not carry out automatic setting or adjustment automatically by control apparatuss such as computers, therefore, can not be applied in the automatic control system.
Summary of the invention.
The purpose of this utility model is: provide a kind of can be according to the control signal automatic setting, adjust the electric flow control valve of flow, to satisfy the needs of heating, heating equipment automatic control system.
The technical solution of the utility model is: a kind of being used for heats, the electric flow control valve of heating equipment, comprise that has a water-inlet cavity 4, the valve body 1 of water chamber 5 and a upper end-hole and a lower end mouth, one is connected and the loam cake 2 of capping upper end-hole by bolt with valve body 1 upper end-hole, one is connected and the lower cover 3 of capping lower end mouth by bolt with valve body 1 lower end mouth, one is installed in valve body 1 lower end mouth, autobalance is set the automatic regulating valve of flow, this automatic regulating valve is by diaphragm 13, automatic valve rod 14, guide sleeve 15, automatic flap 16, spring 17 and back-pressure hole 18 are formed, diaphragm 13 is clamped between the lower end mouth and lower cover 3 of valve body 1, surrounding the diaphragm exocoel that forms by diaphragm 13 and lower cover 3 is communicated with water-inlet cavity 4 by the back-pressure hole 18 that is positioned at lower cover 3 and valve body 1 inside, guide sleeve 15 is installed in the diaphragm inner chamber above the diaphragm 13, automatically flap 16 is installed in the mounting hole on the guide sleeve 15, automatically valve rod 14 is through in the center hole of guide sleeve 15, the fixing automatic flap 16 in its upper end, its lower end is connected with diaphragm 13, spring 17 is between guide sleeve 15 and diaphragm 13, a regulating valve seat 6 is arranged between water-inlet cavity 4 and water chamber 5, a regulating valve stem 8 is arranged, its lower end is being fixed adjusting flap 7 and is being kept concentric with regulating valve seat 6, the hole that loam cake 2 centers are passed in its upper end passes beyond the loam cake, between loam cake and automatic valve rod 8, seal arrangement is arranged, it is characterized in that, an electro-hydraulic actuator 10 is arranged on loam cake 2, its live axle is connected with the upper end of regulating valve stem 8 by shaft joint 11, a connecting sleeve 9 is arranged between electro-hydraulic actuator 10 and loam cake 2, it has flange, by screw on loam cake 2, the top of connecting sleeve 9 is cylinders, cylinder outer surface has an annular recess 12, the cylinder on connecting sleeve 9 tops injects in the circular hole of electro-hydraulic actuator 10 bottoms, in electro-hydraulic actuator 10 lower external face locking nut is arranged, screw these locking nuts, its termination holds out against in annular recess 12.
The utility model has the advantages that: drive regulating valve stem by electro-hydraulic actuator and move up and down, realized the automatic setting flow and regulated flow, exempt manual operation fully.Can realize the automatic control of flow, improve the precision of setting and regulating simultaneously.
Embodiment.
Description of drawings.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural drawing of connecting sleeve 9.
Below in conjunction with accompanying drawing the utility model is described in further details.Referring to Fig. 1, electric flow control valve of the present utility model, it is improvement to Chinese patent ZL00231495.9 " flow control valve ", the structure of valve inner is basic identical, therefore, the valve inner structure do not done being described in detail, this part can consult the specification of 00231495.9 " flow control valve ".The utility model comprises a valve body 1 that has water-inlet cavity 4, water chamber 5 and a upper end-hole and a lower end mouth, one is connected by bolt with valve body 1 upper end-hole and 2, one of the loam cakes of capping upper end-hole are connected the also lower cover 3 of capping lower end mouth with valve body 1 lower end mouth by bolt.An autobalance is installed in valve body 1 lower end mouth sets the automatic regulating valve of flow, this automatic regulating valve is made up of diaphragm 13, automatic valve rod 14, guide sleeve 15, automatic flap 16, spring 17 and back-pressure hole 18.Diaphragm 13 is clamped between the lower end mouth and lower cover 3 of valve body 1, surrounds the diaphragm exocoel that forms by diaphragm 13 and lower cover 3 and is communicated with water-inlet cavity 4 by the back-pressure hole 18 that is positioned at lower cover 3 and valve body 1 inside.Guide sleeve 15 is installed in the diaphragm inner chamber above the diaphragm 13.Automatically flap 16 is installed in the mounting hole on the guide sleeve 15, and valve rod 14 is through in the center hole of guide sleeve 15 automatically, the fixing automatic flap 16 in its upper end, and its lower end is connected with diaphragm 13.Spring 17 is between guide sleeve 15 and diaphragm 13.A regulating valve seat 6 is arranged between water-inlet cavity 4 and water chamber 5, a regulating valve stem 8 is arranged, its lower end is being fixed adjusting flap 7 and is being kept concentric with regulating valve seat 6, and the hole that loam cake 2 centers are passed in its upper end passes beyond the loam cake, between loam cake and automatic valve rod 8 seal arrangement is arranged.The working principle of said structure Flow valve also sees also 00231495.9 " flow control valve ".
Of the present utility model being characterised in that, original manual modulation valve change into can the electricity consumption SC sigmal control electro-hydraulic actuator.This device is commercially available product, the SKC62 type electro-hydraulic actuator that can adopt Siemens building scientific ﹠ technical corporation to produce.This electro-hydraulic actuator can linear movement output, and its live axle can stretch out vertically or withdraws according to the size of input signal, is driven thing and does straight line motion thereby drive.Electro-hydraulic actuator 10 be positioned at loam cake 2 above, its live axle is connected with the upper end of regulating valve stem 8 by the shaft joint 11 that carries.For electro-hydraulic actuator 10 is firmly connected in loam cake 2, on loam cake 2, fix a connecting sleeve 9, it has flange, by screw on loam cake 2.The top of connecting sleeve 9 is cylinders, and cylinder outer surface has an annular recess 12.The cylinder on connecting sleeve 9 tops injects in the circular hole of electro-hydraulic actuator 10 bottoms, in electro-hydraulic actuator 10 lower external face locking nut is arranged, and screws these locking nuts, and its termination holds out against in annular recess 12.Electro-hydraulic actuator 10 just firmly couples together by connecting sleeve 9 and loam cake 2 like this.The circular hole of electro-hydraulic actuator 10 bottoms and the locking nut of outer surface all are the product first wifves.
In heating, heating system, use the utility model, can realize the automatic setting and the adjusting of flow.
Claims (1)
1, a kind of being used for heats, the electric flow control valve of heating equipment, comprise that has a water-inlet cavity [4], the valve body [1] of water chamber [5] and a upper end-hole and a lower end mouth, one is connected and the loam cake [2] of capping upper end-hole by bolt with valve body [1] upper end-hole, one is connected and the lower cover [3] of capping lower end mouth by bolt with valve body [1] lower end mouth, one is installed in valve body [1] lower end mouth, autobalance is set the automatic regulating valve of flow, this automatic regulating valve is by diaphragm [13], automatic valve rod [14], guide sleeve [15], automatic flap [16], spring [17] and back-pressure hole [18] are formed, diaphragm [13] is clamped between the lower end mouth and lower cover [3] of valve body [1], surrounding the diaphragm exocoel that forms by diaphragm [13] and lower cover [3] is communicated with water-inlet cavity [4] by being positioned at the inner back-pressure hole [18] of lower cover [3] and valve body [1], guide sleeve [15] is installed in the top diaphragm inner chamber of diaphragm [13], automatically flap [16] is installed in the mounting hole on the guide sleeve [15], automatically valve rod [14] is through in the center hole of guide sleeve [15], the fixing automatic flap [16] in its upper end, its lower end is connected with diaphragm [13], spring [17] is positioned between guide sleeve [15] and the diaphragm [13], between water-inlet cavity [4] and water chamber [5], a regulating valve seat [6] is arranged, a regulating valve stem [8] is arranged, its lower end is being fixed adjusting flap [7] and is being kept concentric with regulating valve seat [6], the hole that loam cake [2] center is passed in its upper end passes beyond the loam cake, between loam cake and automatic valve rod [8], seal arrangement is arranged, it is characterized in that, an electro-hydraulic actuator [10] is arranged on loam cake [2], its live axle is connected with the upper end of regulating valve stem [8] by shaft joint [11], between electro-hydraulic actuator [10] and loam cake [2], a connecting sleeve [9] is arranged, it has flange, by screw on loam cake [2], the top of connecting sleeve [9] is a cylinder, cylinder outer surface has an annular recess [12], the cylinder on connecting sleeve [9] top injects in the circular hole of electro-hydraulic actuator [10] bottom, in electro-hydraulic actuator [10] lower external face locking nut is arranged, screw these locking nuts, its termination holds out against in annular recess [12].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02237958 CN2556449Y (en) | 2002-06-20 | 2002-06-20 | Electric flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02237958 CN2556449Y (en) | 2002-06-20 | 2002-06-20 | Electric flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2556449Y true CN2556449Y (en) | 2003-06-18 |
Family
ID=33711777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02237958 Expired - Fee Related CN2556449Y (en) | 2002-06-20 | 2002-06-20 | Electric flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2556449Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100434838C (en) * | 2003-10-10 | 2008-11-19 | 株式会社山武 | Air conditioner controlling system and constant flow electric valve |
| CN102929304A (en) * | 2012-11-07 | 2013-02-13 | 济南格士高层供暖节能技术有限公司 | Hydraulic power self-balancing device |
| CN104696559A (en) * | 2013-12-10 | 2015-06-10 | 凯泰阀门(集团)有限公司 | Piston type balance valve |
| CN109538565A (en) * | 2018-11-29 | 2019-03-29 | 河南航天液压气动技术有限公司 | A kind of combination valve |
-
2002
- 2002-06-20 CN CN 02237958 patent/CN2556449Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100434838C (en) * | 2003-10-10 | 2008-11-19 | 株式会社山武 | Air conditioner controlling system and constant flow electric valve |
| CN102929304A (en) * | 2012-11-07 | 2013-02-13 | 济南格士高层供暖节能技术有限公司 | Hydraulic power self-balancing device |
| CN102929304B (en) * | 2012-11-07 | 2015-01-14 | 姜玉璞 | Hydraulic power self-balancing device |
| CN104696559A (en) * | 2013-12-10 | 2015-06-10 | 凯泰阀门(集团)有限公司 | Piston type balance valve |
| CN109538565A (en) * | 2018-11-29 | 2019-03-29 | 河南航天液压气动技术有限公司 | A kind of combination valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |