CN201973276U - Electric floating ball valve - Google Patents
Electric floating ball valve Download PDFInfo
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- CN201973276U CN201973276U CN2011201056294U CN201120105629U CN201973276U CN 201973276 U CN201973276 U CN 201973276U CN 2011201056294 U CN2011201056294 U CN 2011201056294U CN 201120105629 U CN201120105629 U CN 201120105629U CN 201973276 U CN201973276 U CN 201973276U
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- floating ball
- valve rod
- driving mechanism
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Abstract
The utility model provides an electric floating ball valve belonging to the technical field of heating and ventilation air conditioning temperature control and solving the problems of poor reliability, easiness for damage, bad control accuracy, large running noise, high maintenance and replacement cost and the like of the existing electric adjusting valve. The electric floating ball valve consists of a valve body, a valve rod, a valve spool and a driving mechanism, wherein the valve core is arranged in the valve body, the driving mechanism is positioned outside the valve body, the valve rod penetrates through the valve body, the inner end of the valve rod is connected with the valve spool, the driving mechanism is connected with the outer end of the valve rod and can drive the valve rod to rotate, and a cylindrical radiating part which is made of metal materials is sheathed at the outer side of the valve rod and is fixedly connected with the valve body. The radiating part in the electric floating valve can obviously increase radiation amount, so as to effectively ensure that the driving mechanism can run stably and reliably, so that the use stability of the electric floating ball valve can be improved.
Description
Technical field
The utility model belongs to Heating,Ventilating and Air Conditioning (HVAC) temperature control technology field, relates to the electronic floating ball valve of a kind of high temperature resistant, low temperature in the Heating,Ventilating and Air Conditioning (HVAC) pipeline.
Background technique
Urbanization in China is constantly accelerated, buildings such as a large amount of modern office buildings, market are built up in succession, building uses central air-conditioner more and more, and central air-conditioning system also consumes lot of energy simultaneously at creation people work, the needed a home from home of life.According to statistics, 50-60%, the particularly idle call of peak times of power consumption in summer that the air-conditioning system power consumption accounts for the building total energy consumption can account for 1/3 of city electricity consumption total load, and this ratio is also in continuous increase.Country's Eleventh-Five Year Plan outline improves China and wants buildings and resources economizing type and friendly environment society.By 2010, the GDP specific energy consumption will reduce by 20%, and the central air-conditioning energy technology is exactly one of ten big energy conservation project technology of National Development and Reform Committee's proposition.
At present, central air-conditioning system mainly adopts technology such as unsteady flow amount, variable air flow, the big temperature difference that the aircondition transporting system is carried out reducing energy consumption, reaches the purpose that reduces air conditioning energy consumption.Electric control valve is the core power unit in unsteady flow amount central air-conditioning system, can stablize the variation automatic regulating valve door aperture of control signal according to the target area, thereby changes water flow, finally realizes precise dose control.Need to comprise through the water route that mortor operated valve is regulated: refrigerant loop, the terminal fan coil unit of cold (heat) matchmaker water and new blower fan group, cooling water control loop, heat exchange control loop, steam control loop etc., through whole central air-conditioning system.The motorized adjustment valve performance is bad, not only reduces temperature control precision, influences people's travelling comfort, and can reduce the stability of system itself.Mainly there is poor reliability in the actual at present electric control valve that uses, exists sealing poor, and is fragile, cause run, drip, leak easily, control accuracy is poor, and the operation noise is big, problems such as maintain and replace cost height have had a strong impact on the energy-saving effect of central air-conditioning system.
Common valve is the normal temperature valve normally, can't be applicable in the high temperature conduit, for example in the vapour system pipeline.People have designed electronic floating ball valve in order to overcome this problem, and it adopts steel to make, and still can play the stable effect that opens and closes in the pipe-line system of high temperature media.
The part of control spool action all is to realize by electric actuator in the common electronic floating ball valve, and electric actuator comprises motor and driving gear set.Motor links to each other with the input end of transmission gear group, and the output terminal of driving gear set is connected with valve rod in the electronic floating ball valve.In the time of need making valve realize opening and closing, motor rotates by the driving gear set actuate valve stem, thereby has realized the on-off action of valve.
But because electronic floating ball valve is used for the high temperature conduit system, what heat can be very fast conducts to driving gear set and motor place by valve rod.Obviously, too high temperature can influence the driving gear set transfer motion power, and the too high temperature in same motor place also can influence the working life of motor.Existing other mortor operated valve also exists similar problem.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist at prior art, and a kind of stability in use height, electronic floating ball valve simple in structure are provided.
The purpose of this utility model can realize by following technical proposal: a kind of electronic floating ball valve, comprise valve body, valve rod, spool and driving mechanism, spool is positioned at valve body, driving mechanism is positioned at outside the valve body, the inner and spool that above-mentioned valve rod passes valve body and valve rod link, driving mechanism is connected with the outer end of valve rod and driving mechanism can drive above-mentioned valve rod rotation, it is characterized in that, the described valve rod outside is socketed with and is the radiating piece that employing metallic material cylindraceous is made, and described radiating piece is connected mutually with above-mentioned valve body.
Electronic floating ball valve is installed in the steam pipework, the flow by steam in the open and close controlling pipeline of electronic floating ball valve or block.After driving mechanism drove the valve rod rotation, spool was opened or closed condition thereby valve body is in along with rotation.
Electronic floating ball valve is creationary reduces the heat at valve rod place fast by radiating piece for this, thereby has reduced the temperature at driving mechanism place, has improved the working stability of driving mechanism, also Zheng Ti raising the stability in use of electronic floating ball valve.
In above-mentioned electronic floating ball valve, described radiating piece comprises and is some radiating fin that body cylindraceous and the body outside has.
Tubular body is set in the valve rod outside fully, and after valve rod place heat conducted to body, some radiating fin can be effectively distribute the heat at body place fast.
In above-mentioned electronic floating ball valve, described radiating fin in the form of a ring and radiating fin circumferentially protrude along body.
As another scheme, in above-mentioned electronic floating ball valve, described radiating fin be strip and radiating fin along body shaft to protrusion.
The radiating fin that protrudes can effectively reduce body place heat fast.
In above-mentioned electronic floating ball valve, described driving mechanism comprises housing and the motor, the driving gear set that are positioned at housing, and motor links to each other with the input end of driving gear set, and the output terminal of driving gear set links to each other with above-mentioned valve rod.
Motor speed is fixed, and makes valve rod obtain needed rotational velocity by gear train.
In above-mentioned electronic floating ball valve, described housing comprises upper shell and lower shell body, and upper shell is connected the cavity that the back between forms sealing with lower shell body.
In above-mentioned electronic floating ball valve, the joint between described upper shell and the lower shell body is provided with seal washer.By the seal washer sealing, make motor, driving gear set etc. be positioned at the housing of sealing between upper shell and the lower shell body.Such structure can prevent that high low temperature collision from producing the dewfall phenomenon and causing the internal circuit short circuit.
In above-mentioned electronic floating ball valve, be provided with bearing between described lower shell body and the valve rod, and between bearing inboard and valve rod, be provided with seal ring.Can reduce stem wear by such structure, the seal ring between bearing and valve rod can also play seal action simultaneously, guarantees that motor is in sealing state, is beneficial in moist relatively environment and uses.
In above-mentioned electronic floating ball valve, have mounting hole on the described housing, the other end that is connected with valve body on the above-mentioned body is positioned at the mounting hole place, and has the shackle member that both can be connected between housing and body.
Mounting hole is to body the other end Primary Location, and then makes housing and firm the linking together of radiating piece body by shackle member.
In above-mentioned electronic floating ball valve, described shackle member is together along its axially recessed draw-in groove on the housing mounting hole hole wall, the convex shoulder that is complementary with draw-in groove that the outside of the above-mentioned body the other end has a protrusion, above-mentioned shackle member run through draw-in groove and convex shoulder between housing and shackle member.
When the body the other end inserted mounting hole, convex shoulder embedded and makes body and housing circumferentially fixing in the draw-in groove.Shackle member makes convex shoulder between housing and shackle member after connecting, and makes body be axially fixed on the housing.Obviously, the body circumferential and axial all were fixed on the housing after shackle member connected.
In above-mentioned electronic floating ball valve, described hull outside has the convex edge of protrusion corresponding to the draw-in groove place, described shackle member takes the shape of the letter U and has elasticity, a wherein side of shackle member opening is the joint that is used to run through draw-in groove, and the opposite side of shackle member opening has the card splenium that is complementary with the convex edge.
Shackle member connects the card splenium of back on it and embeds on the convex edge, because shackle member has elasticity, the card splenium of shackle member is entrenched in and forms the location on the convex edge under this elastic acting force.
Certainly, directly applying external force during dismounting opens the U-shaped place opening of shackle member can easily shackle member to be taken out.
In above-mentioned electronic floating ball valve, described shackle member is made by metallic material.
The shackle member that metallic material is made oneself has certain elasticity.
As another scheme, in above-mentioned electronic floating ball valve, described shackle member is made by plastic materials.
The shackle member that plastic materials is made also has certain elasticity.
In above-mentioned electronic floating ball valve, the length of described radiating piece is 8-15CM.
In above-mentioned electronic floating ball valve, have 6-10 radiating fin on the described radiating piece, and be spaced apart 1-3CM between adjacent two radiating fin.
In above-mentioned electronic floating ball valve, be provided with sealing gasket between described spool and the valve body, described center spool has the through hole that supplies medium to pass through of a perforation, also has a relief hole that through hole is communicated with body cavity on the described spool.
Valve body is connected with through hole by relief hole with cavity between the spool, realize explosion-proof by this structure, that is to say, the cold medium that has between valve body and the spool when preventing to be applied in the control of heating medium flow process thermal medium through out-of-date make above-mentioned cavity increased by thermal pressure after and explosion can not take place or damage spool by pressure and valve body between gasket base, avoid valve to leak.
In above-mentioned electronic floating ball valve, have the sealed step of protrusion on the described valve rod, described valve inner has sealing seat corresponding to the sealed step place, also is with seal ring and seal ring on the described valve rod between sealed step and sealing seat.
The too high pressure in valve core through hole place makes when moving on the valve rod, and above-mentioned seal ring is pressed between sealed step and the sealing seat, that is to say, the spool internal pressure is big more, and the sealing between valve rod and the valve body is strong more.The automatic compression seal of valve has automatic compensation function between valve rod and the valve body, has eliminated run, drip, leak, improves working life.
In above-mentioned electronic floating ball valve, described lead passes above-mentioned housing and links to each other with motor, and is provided with Sealing between lead and housing.Sealing can be the glue or the packing ring of rubber material.
Compared with prior art, when this electronic floating ball valve was used for special control such as high-temperature steam, deep fat, ultralow temperature medium, radiating piece can significantly enlarge heat dissipating capacity, effectively ensures the steady reliable operation of driving mechanism.Show through on-the-spot test: when the fluid of control is 180 ℃ of steam, about 70 ℃ of the bottom end surface temperature of radiating piece, about 50 ℃ of top, and about 35 ℃ of the surface temperature of driving mechanism, radiating piece can effectively improve the running environment of driving mechanism.Thereby improve the stability in use of electronic floating ball valve.
Simultaneously, can also solve the problem of overpressure between spool and the valve body, further improve the stability in use of electronic floating ball valve by relief hole.
Description of drawings
Fig. 1 is the sectional structure schematic representation at driving mechanism place in this electronic floating ball valve.
Fig. 2 is the sectional structure schematic representation at radiating piece place in this electronic floating ball valve.
Fig. 3 is the sectional structure schematic representation at valve body place in this electronic floating ball valve.
Fig. 4 is the linkage structure schematic representation of radiating piece and driving mechanism in this electronic floating ball valve.
Fig. 5 is the linkage structure schematic representation of radiating piece and driving mechanism other direction in this electronic floating ball valve.
Fig. 6 is the structural representation of shackle member in this electronic floating ball valve.
Fig. 7 is the perspective view of radiating piece in this electronic floating ball valve.
Fig. 8 is the sectional structure schematic representation of radiating piece in this electronic floating ball valve.
Fig. 9 is the sectional structure schematic representation at driving mechanism place in this electronic floating ball valve.
Among the figure, 1, valve body; 1a, sealing seat; 2, valve rod; 2a, sealed step; 3, spool; 3a, through hole; 3b, relief hole; 4, driving mechanism; 4a, motor; 4b, driving gear set; 4c, housing; 4c1, mounting hole; 4c2, draw-in groove; 4c3, convex edge; 4c4, upper shell; 4c 5, lower shell body; 5, sealing gasket; 6, radiating piece; 6a, body; 6b, radiating fin; 6c, convex shoulder; 7, shackle member; 7a, joint; 7b, card splenium; 8, seal ring; 9, seal washer; 10, bearing; 11, lead; 12, Sealing.
Embodiment
As shown in Figure 1, this electronic floating ball valve is installed in the steam pipeline system, and it comprises valve body 1, valve rod 2, spool 3 and driving mechanism 4.
As Fig. 1 and Fig. 2 and shown in Figure 3, spool 3 is positioned at valve body 1, and driving mechanism is positioned at outside the valve body 1, and the inner and spool 3 that valve rod 2 passes valve body 1 and valve rod 2 link.In the present embodiment, be provided with sealing gasket 5 between spool 3 and the valve body 1, spool 3 centers have the through hole 3a that supplies medium to pass through of a perforation, also have a relief hole 3b that through hole 3a is communicated with valve body 1 inner chamber on the spool 3.
As Fig. 4 and Fig. 5 and shown in Figure 6, valve rod 2 outsides are socketed with and are the radiating piece 6 that employing metallic material cylindraceous is made, and radiating piece 6 comprises and is some radiating fin 6b that body 6a cylindraceous and the body 6a outside has.The end of radiating piece 6 body 6a is fixed on the valve body 1, and the other end of radiating piece 6 body 6a links to each other with the housing 4c of above-mentioned driving mechanism 4.As shown in Figure 7 and Figure 8, radiating fin 6b in the form of a ring and radiating fin 6b circumferentially protrude along body 6a, certainly, according to actual conditions, radiating fin 6b is strip and radiating fin 6b also is feasible along the axial protrusion of body 6a.In the present embodiment, the length of radiating piece 6 is 7CM, has 8 radiating fin 6b on the radiating piece 6, and is spaced apart 2CM between the adjacent two radiating fin 6b, sees Fig. 7 and shown in Figure 8.
Have mounting hole 4c1 on the housing 4c of driving mechanism 4, the other end that body 6a goes up and valve body 1 is connected is positioned at this mounting hole 4c1 place, and has the shackle member 7 that both can be connected between housing 4c and body 6a.
When electronic floating ball valve used, the motor 4a of driving mechanism 4 running drove valve rod 2, spool 3 rotations by driving gear set 4b, thereby realized the opening and closing operations of electronic floating ball valve.Because valve body 1 place has the steam medium of high temperature to pass through, so valve rod 2 places have very high temperature.Just can reduce valve rod 2 place's temperature fast by radiating piece 6, avoid too high temperature conduction like this to driving mechanism 4 places.
In addition, because shackle member 7 has elasticity, the elasticity by shackle member 7 self makes the card splenium 7b on it be entrenched in convex shoulder 6c and goes up and keep locked state.Under this state radiating piece 6 simultaneously circumferential and axial be fixed on the housing 4c of driving mechanism 4.Applying when needing dismounting that external force opens the U-shaped opening of shackle member 7 just can easily be with shackle member 7 by taking off on the housing 4c.Simultaneously, have the sealed step 2a of protrusion on the valve rod 2, valve body 1 inside has sealing seat 1a corresponding to sealed step 2a place, also is with seal ring 8 and seal ring 8 on the valve rod 2 between sealed step 2a and sealing seat 1a.
In addition, adopt the controlling method of servo execution signal control motor length current"on"time, only power consumption in opening-closing process of motor, even motor can be not hot yet under the situation of sealing fully like this, simultaneously, in the time by above-mentioned servo execution signal valve rod can't being rotated during the spool jam in the valve, can not burn motor.And motor is equipped with the temperature overheating protective circuit, cuts off the electricity supply automatically when motor temperature is too high, can prevent that equally also motor from being burnt out.
Claims (10)
1. electronic floating ball valve, comprise valve body (1), valve rod (2), spool (3) and driving mechanism (4), spool (3) is positioned at valve body (1), driving mechanism (4) is positioned at outside the valve body (1), the inner and spool (3) that above-mentioned valve rod (2) passes valve body (1) and valve rod (2) link, driving mechanism (4) is connected with the outer end of valve rod (2) and driving mechanism (4) can drive above-mentioned valve rod (2) rotation, it is characterized in that, described valve rod (2) outside is socketed with and is the radiating piece (6) that employing metallic material cylindraceous is made, and described radiating piece (6) is connected mutually with above-mentioned valve body (1).
2. electronic floating ball valve according to claim 1 is characterized in that, described radiating piece (6) comprises and is some radiating fin (6b) that body cylindraceous (6a) and body (6a) outside has.
3. electronic floating ball valve according to claim 2 is characterized in that, described radiating fin (6b) in the form of a ring and radiating fin (6b) circumferentially protrude along body (6a).
4. according to claim 1 or 2 or 3 described electronic floating ball valves, it is characterized in that, described driving mechanism (4) comprises housing (4c) and is positioned at the motor (4a) of housing (4c), driving gear set (4b), motor (4a) links to each other with the input end of driving gear set (4b), the output terminal of driving gear set (4b) links to each other with above-mentioned valve rod (2), described housing (4c) comprises upper shell (4c4) and lower shell body (4c5), upper shell (4c4) is connected the cavity that the back between forms sealing with lower shell body (4c5), the joint between described upper shell (4c4) and the lower shell body (4c5) is provided with seal washer (9).
5. electronic floating ball valve according to claim 4 is characterized in that, is provided with bearing (10) between described lower shell body (4c5) and the valve rod (2), and is provided with seal ring (8) between bearing (10) inboard and valve rod (2).
6. according to claim 1 or 2 or 3 described electronic floating ball valves, it is characterized in that, has mounting hole (4c1) on the described housing (4c), the other end that above-mentioned body (6a) is gone up and valve body (1) is connected is positioned at mounting hole (4c1) to be located, and has the shackle member (7) that both can be connected between housing (4c) and body (6a).
7. electronic floating ball valve according to claim 6, it is characterized in that, described shackle member (7) is together along its axially recessed draw-in groove (4c2) on housing (4c) mounting hole (4c1) hole wall, the convex shoulder (6c) that is complementary with draw-in groove (4c2) that the outside of above-mentioned body (6a) the other end has a protrusion, above-mentioned shackle member (7) runs through draw-in groove (4c2) and convex shoulder (6c) is positioned between housing (4c) and the shackle member (7).
8. electronic floating ball valve according to claim 7, it is characterized in that, the convex edge (4c3) of protrusion is located to have in described housing (4c) outside corresponding to draw-in groove (4c2), described shackle member (7) takes the shape of the letter U and has elasticity, a wherein side of shackle member (7) opening is for being used to run through the joint (7a) of draw-in groove (4c2), and the opposite side of shackle member (7) opening has the card splenium (7b) that is complementary with convex edge (4c3).
9. according to claim 1 or 2 or 3 described electronic floating ball valves, it is characterized in that, be provided with sealing gasket (5) between described spool (3) and the valve body (1), described spool (3) center has the through hole (3a) that supplies medium to pass through of a perforation, also has a relief hole (3b) that through hole (3a) is communicated with valve body (1) inner chamber on the described spool (3).
10. according to claim 1 or 2 or 3 described electronic floating ball valves, it is characterized in that, the sealed step (2a) that has protrusion on the described valve rod (2), described valve body (1) is inner locates to have sealing seat (1a) corresponding to sealed step (2a), also is with seal ring (8) and seal ring (8) on the described valve rod (2) and is positioned between sealed step (2a) and the sealing seat (1a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201056294U CN201973276U (en) | 2011-04-12 | 2011-04-12 | Electric floating ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201056294U CN201973276U (en) | 2011-04-12 | 2011-04-12 | Electric floating ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201973276U true CN201973276U (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201056294U Expired - Fee Related CN201973276U (en) | 2011-04-12 | 2011-04-12 | Electric floating ball valve |
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| CN (1) | CN201973276U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155551A (en) * | 2011-04-12 | 2011-08-17 | 台州光辉自控科技有限公司 | Electric floating ball valve |
| CN102818043A (en) * | 2012-08-31 | 2012-12-12 | 苏州纽威阀门股份有限公司 | Low-temperature ball valve |
| CN102829212A (en) * | 2012-08-20 | 2012-12-19 | 天津祥嘉流体控制***有限公司 | Ultra-low temperature ball valve |
| CN103233786A (en) * | 2013-04-27 | 2013-08-07 | 陈银轩 | Valve for ejector |
| CN106870760A (en) * | 2017-03-21 | 2017-06-20 | 湖州师范学院 | A kind of cork ball valve runoff investigation mechanism with medicine storehouse |
-
2011
- 2011-04-12 CN CN2011201056294U patent/CN201973276U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155551A (en) * | 2011-04-12 | 2011-08-17 | 台州光辉自控科技有限公司 | Electric floating ball valve |
| CN102155551B (en) * | 2011-04-12 | 2012-06-27 | 台州光辉自控科技有限公司 | Electric floating ball valve |
| WO2012139348A1 (en) * | 2011-04-12 | 2012-10-18 | Taizhou Guanghui Automatic Control Sci-Tec Co.. Ltd | Electric floating ball valve |
| CN102829212A (en) * | 2012-08-20 | 2012-12-19 | 天津祥嘉流体控制***有限公司 | Ultra-low temperature ball valve |
| CN102818043A (en) * | 2012-08-31 | 2012-12-12 | 苏州纽威阀门股份有限公司 | Low-temperature ball valve |
| CN102818043B (en) * | 2012-08-31 | 2014-11-19 | 苏州纽威阀门股份有限公司 | Low-temperature ball valve |
| CN103233786A (en) * | 2013-04-27 | 2013-08-07 | 陈银轩 | Valve for ejector |
| CN106870760A (en) * | 2017-03-21 | 2017-06-20 | 湖州师范学院 | A kind of cork ball valve runoff investigation mechanism with medicine storehouse |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20110914 Termination date: 20160412 |
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| CF01 | Termination of patent right due to non-payment of annual fee |