CN204784743U - Electric two way valve - Google Patents
Electric two way valve Download PDFInfo
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- CN204784743U CN204784743U CN201520484949.3U CN201520484949U CN204784743U CN 204784743 U CN204784743 U CN 204784743U CN 201520484949 U CN201520484949 U CN 201520484949U CN 204784743 U CN204784743 U CN 204784743U
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- valve
- flap
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- guide pin
- pin bushing
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Abstract
The utility model discloses an electric two way valve relates to the valve of a wide application on warm threading a pipe, comprises electric actuator, valve body, valve gap, disk seat, valve clack and valve rod etc to with valve clack design for have end limbers, the cross section is for opening " U " type structure up, is equipped with the sleeve and the guide pin bushing of suit installation again outside " U " type valve clack, wherein, the activity of establishing as between valve clack and the guide pin bushing is sealed joins in marriage the dress and constitutes the epicoele, realizes the pressure balance of entrance point and epicoele through end limbers to the moment of opening and close of valve has been reduced, and be equipped with a plurality of side limberss on the sleeve, can avoid damaging the problem because of producing valve that the cavitation results in, this kind of electric two way valve has still that structural design is simple, the cost of manufacture low, and can with the temperature sensor advantages such as incompatible effective control medium flow and temperature that match to realize rational utilization energy, energy saving and consumption reduction and intelligent management's mesh.
Description
Technical field
The utility model relates to a kind of two-way valve structure, particularly electric two-way valve of HVAC valve type.
Background technique
Electric two-way valve is the one in many pipeline valves, is mostly applicable to heating ventilation air-conditioning system tail end air conditioner equipment, and the temperature as air-conditioning box, Fresh air handling units, air processing machine etc. controls, and its structure mainly comprises two-part, i.e. electric actuator and Twoway valves; Wherein, electric actuator generally adopts synchronous machine drives, possesses spring reset and manual valve opening lever control function; Twoway valves is generally made up of valve body, valve rod, valve seat, flap and valve rod etc.In actual use, electric two-way valve can match with temperature transducer, electric actuator work is controlled by temperature transducer, thus drive the valve rod lifting of Twoway valves, and then drive flap synchronization lifting and seal contact keying valve seat, namely the switch of Twoway valves is achieved, also achieve the break-make of pipeline cold water or hot water, blown by fan coil unit again, to realize the automatic adjustment of temperature, because electric two-way valve mainly controls rate-of flow and the temperature of each loop by electric actuator and temperature transducer, therefore energy Appropriate application energy, reach energy-saving and cost-reducing, the object of intelligent management.But current most electric two-way valve all exists the larger problem of valve opening and closing moment, this is because the design of valve flap structure cannot accomplish that entrance point pressure is equal with the pressure in flap epicoele; Meanwhile, the open place of flap and valve seat is directly exposed between inlet/outlet end, also easily produces cavitation phenomenon and causes valve to damage.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defect of prior art and provides a kind of and open and close that moment is little, service-strong electric two-way valve, and the structural design of this electric two-way valve is simple, fabricating cost is low, can also the effectively flow of control media and temperature.
Technical problem of the present utility model is achieved through the following technical solutions:
A kind of electric two-way valve, comprise valve body, valve gap that sealing is arranged on valve body end face, be separately positioned on valve body two ends and the entrance point interconnected and outlet end, be arranged on valve seat and the flap between inlet/outlet end and drive flap lifting to open and close valve rod and the electric actuator of valve seat, described flap cross section is opening up " U " type, outside " U " type flap, be provided with sleeve and the guide pin bushing of suit installation, this guide pin bushing and sleeve are according to upper and lower position location and installation; Be set to movable sealing between described flap and guide pin bushing to be equipped with, flap, between guide pin bushing and valve gap, form epicoele; Described flap bottom outer-edge forms to seal to contact with described valve seat open and close by flap lifting, and flap bottom surface is provided with the water port, the end of multiple connection epicoele and entrance point respectively; Described sleeve is provided with the water port, side of multiple connection outlet end.
Described flap bottom outer-edge is provided with a circle sealing bulge loop, and sealing bulge loop forms to seal to contact with described valve seat open and close by flap lifting.
Being provided with the attachment post being positioned at flap axle center in described flap is the disjunctor pole that the center of circle is connected do radiation respectively to flap with Duo Gen with attachment post, and described valve rod lower end is fixedly mounted on described attachment post.
Be provided with mounting hole between described inlet/outlet end, the shaft axis of this installation is overlapping with the lifting moving shaft axis of described flap, and described valve seat is the ring structure that a sealing is arranged in described mounting hole.
Described guide pin bushing lower end is provided with the convex for described sleeve upper end location and installation, and valve seat upper end is also provided with the convex for described sleeve lower end location and installation; Described guide pin bushing, sleeve hold out against and are arranged in valve body by described valve gap.
The open washer and attaching nut that are connected to each other is provided with between described valve rod upper end and electric actuator.
Compared with prior art, the utility model by flap design be mainly with water port, the end, cross section is opening up " U " type structure, then outside " U " type flap, is provided with sleeve and guide pin bushing that suit installs; Wherein, be set to movable sealing between flap and guide pin bushing and be equipped with and form epicoele, realized the pressure balance of entrance point and epicoele by water port, the end, thus reduce the keying moment of valve; And sleeve is provided with water port, multiple side, the valve caused because producing cavitation phenomenon can be avoided to damage problem, this electric two-way valve also has that structural design is simple, fabricating cost is low and the advantages such as incompatible effective control media flow and temperature that can match with temperature transducer, thus realizes the object of Appropriate application energy, energy-saving and cost-reducing and intelligent management.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is the sectional structure schematic diagram of flap.
Embodiment
To elaborate again to the utility model embodiment by above-mentioned accompanying drawing below.
As shown in Figure 1 and Figure 2,1. valve body, 2. flap, 21. water ports, the end, 22. seal bulge loops, 23. disjunctor poles, 24. attachment posts, 3. "O"-ring, 4. valve seat, 5. sleeve, 51. water ports, side, 6. guide pin bushing, 7. valve rod, 8. stud bolt, 9. electric actuator, 10. open washer, 11. attaching nuts, 12. tightening nuts, 13. Glands, 14. fillers, 15. Packing seats, 16. locking nuts, 17. valve gaps, 18. epicoeles.
Electric two-way valve, as shown in Figure 1, it is a kind of valve be widely used on heating and ventilating pipeline, and its structure is mainly made up of two-part, i.e. electric actuator 9 and Twoway valves; Wherein, electric actuator 9 generally adopts synchronous machine drives, and Twoway valves is mainly made up of valve body 1, valve gap 17, valve seat 4, flap 2 and valve rod 7 etc.
Described valve body 1 two ends are provided with entrance point and the outlet end of level connection, it is external to facilitate that inlet/outlet end is equipped with flange plate, the toroidal mounting hole of a shaft axis perpendicular to line horizontal between inlet/outlet end between inlet/outlet end, the valve seat 4 of ring structure is installed in this mounting hole, and "O"-ring 3 is set between valve seat and mounting hole to do to install sealing.
Described flap 2 is arranged on above valve seat 4, and this flap 2 cross section is opening up " U " type, is provided with sleeve 5 and the guide pin bushing 6 of suit installation outside " U " type flap; And, sleeve 5 and guide pin bushing 6 are according to after the location and installation of upper and lower position, hold out against by flanged surface in valve body 1 end face does to seal the valve gap 17 installed with stud bolt 8, hexagon nut and "O"-ring 3 again, be fixedly installed in valve body 1 to make sleeve 5 and guide pin bushing 6, guide pin bushing 6 lower end is then provided with the convex for sleeve 5 upper end location and installation, and valve seat 4 upper end is also provided with the convex for sleeve 5 lower end location and installation.
Be set to movable sealing between described flap 2 and guide pin bushing 6 to be equipped with, therefore also need to be embedded the "O"-ring 3 of a contact on flap 2 outer surface using as dynamic seal at guide pin bushing 6 internal surface, now flap 2, between guide pin bushing 6 and valve gap 17 by formation epicoele 18; Installing space is reserved between described sleeve 5 internal surface and flap 2 outer surface, sleeve 5 is provided with water port, multiple side 51 and is connected with outlet end, mainly play and prevent flap 2 to be directly exposed between inlet/outlet end, thus avoid the valve occurring causing because producing cavitation phenomenon to damage problem.
Described flap 2 bottom surface is provided with multiple water port, the end 21 being communicated with epicoele 18 and entrance point respectively, make to form pressure balancing structure in valve body 1 by water port, the end, namely balance from the pressure between entrance point and epicoele 18, thus alleviate the moment of flap 2 keying; Meanwhile, be also provided with a circle sealing bulge loop 22 at flap 2 bottom outer-edge, sealing bulge loop is elevated by flap 2 and opens and closes with forming between valve seat 4 to seal to contact, the contact reliability between lifting flap 2 and valve seat 4.
Described valve rod 7 lifting is movably arranged in valve body 1, and valve rod 7 lower end and flap 2 fix and install, therefore valve rod 7 will drive flap 2 synchronization lifting, and both lifting moving shaft axiss and the shaft axis of mounting hole overlap; The mounting structure of valve rod 7 and flap 2 is as shown in Figure 2: being provided with the attachment post 24 and Duo Gen that are positioned at flap axle center in flap 2 is the disjunctor pole 23 that the center of circle is connected do radiation respectively to flap with attachment post 24, and valve rod 7 lower end is threaded and is fixedly mounted on attachment post 24.
Be provided with filler 14 and Packing seat 15 between described valve rod 7 and valve gap 17, be also respectively equipped with Gland 13 and locking nut 16 at the end face of valve gap 17 and bottom surface, in filler 14 and Packing seat 15 are enclosed in, and as the dynamic seal of valve rod 7 lifting moving.
Described valve rod 7 upper end is stretched out valve gap 17 and is exposed, and is connected by attaching nut 11, open washer 10 and fixing with valve rod 7 upper end, and electric actuator 9 is then fixedly mounted by tightening nut 12 and valve gap 17.
Working principle of the present utility model is: Twoway valves controls the lifting moving of flap 2 by electric actuator 9 and valve rod 7, thus reaches the object of flow control.Such as, when to be carried out the temperature in conditioning chamber by TFT LCD as user, TFT LCD signal transmission is to temperature transducer, the signal being transferred to electric actuator 9 by temperature transducer controls the lifting moving of flap 2, thus the output flow of regulating valve, namely achieve temperature controlled effect.
Claims (6)
1. an electric two-way valve, comprise valve body (1), sealing is arranged on the valve gap (17) of valve body end face, be separately positioned on valve body (1) two ends and the entrance point interconnected and outlet end, be arranged on into, valve seat (4) between outlet end and flap (2), and drive flap lifting to open and close valve rod (7) and the electric actuator (9) of valve seat (4), it is characterized in that described flap (2) cross section is opening up " U " type, sleeve (5) and the guide pin bushing (6) of suit installation is provided with outside " U " type flap, this guide pin bushing and sleeve are according to upper, upper/lower positions location and installation, be set to movable sealing between described flap (2) and guide pin bushing (6) to be equipped with, flap (2), between guide pin bushing (6) and valve gap (17), form epicoele (18), described flap (2) bottom outer-edge forms to seal to contact with described valve seat (4) open and close by flap (2) lifting, and flap (2) bottom surface is provided with multiple water port, the end (21) being communicated with epicoele (18) and entrance point respectively, described sleeve (5) is provided with the water port, side (51) of multiple connection outlet end.
2. electric two-way valve according to claim 1, it is characterized in that described flap (2) bottom outer-edge is provided with circle sealing bulge loop (22), sealing bulge loop forms to seal to contact with described valve seat (4) open and close by flap (2) lifting.
3. electric two-way valve according to claim 1 and 2, it is characterized in that being provided with in described flap (2) attachment post (24) being positioned at flap axle center is the disjunctor pole (23) that the center of circle is connected do radiation respectively to flap (2) with many with attachment post, and described valve rod (7) lower end is fixedly mounted on described attachment post (24).
4. electric two-way valve according to claim 1 and 2, it is characterized in that being provided with mounting hole between described inlet/outlet end, the shaft axis of this installation is overlapping with the lifting moving shaft axis of described flap (2), and described valve seat (4) is the ring structure that a sealing is arranged in described mounting hole.
5. electric two-way valve according to claim 1 and 2, it is characterized in that described guide pin bushing (6) lower end is provided with the convex for described sleeve (5) upper end location and installation, valve seat (4) upper end is also provided with the convex for described sleeve (5) lower end location and installation; Described guide pin bushing (6), sleeve (5) hold out against and are arranged in valve body (1) by described valve gap (17).
6. electric two-way valve according to claim 1 and 2, is characterized in that being provided with between described valve rod (7) upper end and electric actuator (9) open washer (10) and attaching nut (11) that are connected to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520484949.3U CN204784743U (en) | 2015-07-08 | 2015-07-08 | Electric two way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520484949.3U CN204784743U (en) | 2015-07-08 | 2015-07-08 | Electric two way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204784743U true CN204784743U (en) | 2015-11-18 |
Family
ID=54524793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520484949.3U Active CN204784743U (en) | 2015-07-08 | 2015-07-08 | Electric two way valve |
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| Country | Link |
|---|---|
| CN (1) | CN204784743U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641279A (en) * | 2016-12-23 | 2017-05-10 | 重庆特通阀门有限公司 | Double-orientation balance adjustment valve |
-
2015
- 2015-07-08 CN CN201520484949.3U patent/CN204784743U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641279A (en) * | 2016-12-23 | 2017-05-10 | 重庆特通阀门有限公司 | Double-orientation balance adjustment valve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |