CN2703928Y - Electric ball valve - Google Patents
Electric ball valve Download PDFInfo
- Publication number
- CN2703928Y CN2703928Y CN 200420022518 CN200420022518U CN2703928Y CN 2703928 Y CN2703928 Y CN 2703928Y CN 200420022518 CN200420022518 CN 200420022518 CN 200420022518 U CN200420022518 U CN 200420022518U CN 2703928 Y CN2703928 Y CN 2703928Y
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- CN
- China
- Prior art keywords
- valve
- motor
- gear
- valve rod
- ball valve
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- 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 - Lifetime
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Abstract
The utility model relates to an electric ball valve which belongs to the technical field of valve gates, particularly a valve gate capable of achieving automatic control through an electronic device. The electric ball valve comprises a valve body, a valve rod and a valve core, wherein, the valve core is positioned in the valve body, the valve rod passes through the valve body, and the inner end of the valve rod is connected with the valve core. The outer end of the valve rod is provided with a stop plate, a gear and a motor, wherein, the stop plate and the gear are fixedly connected with the outer end of the valve rod, the stop plate is used for limiting the rotation angle of the valve rod, and the motor is fixed on the valve body. A gear set arranged between the rotating shaft of the motor and the gear is respectively engaged with the rotating shaft of the motor and the gear. The utility model utilizes the rotation of the motor and the gear set to drive the rotation of the gear and the valve rod to open or close the ball valve. The utility model has the advantages of reasonable structure, good stability in use, non-easy abrasion, extending service life and obvious effect of energy saving.
Description
Technical field
The utility model belongs to valve field, the particularly a kind of valve that can realize automatic control by electronic equipment.
Background technique
In the robot control system(RCS) of central air-conditioner, temperature controlling generally is to adopt solenoid valve to realize, just comes the conducting of pilot line by solenoid valve and closes.Because solenoid valve is to utilize electromagnetic induction principle, therefore the driving force that produces is little, and it is unreliable to close, and phenomenon such as occurs blocking easily, makes valve not close freely, causes The whole control system to run well.
Chinese patent 992572940 provides a kind of " mortor operated valve ", and driver that it is made up of upper and lower casing, motor, bent axle, pulley, transfer bar mechanism, bimetallic strip etc. and the valve of being made up of valve body, valve gap, valve rod etc. constitute.This mortor operated valve has adopted motor driving, bent axle, pulley transmission of power, and piston cylinder operator is adopted in the keying of valve, so have advantages such as reasonable in design, cheap for manufacturing cost, that driving force is big.But, because this mortor operated valve is to use sealing configuration in the form of piston, motor rotates and exerts pressure when valve closing, therefore motor can be in conduction state, and force transmission mechanism will bear bigger pressure, cause that each part weares and teares easily in the valve, shorten the working life of product, and in use break down easily.
On the other hand, for ball valve, need the rotation angle of restriction valve rod, it is rotated in 90 degree scopes, so that make ball valve at complete opening or close fully between this two states and change.But above-mentioned mortor operated valve is uncontrollable to the angle of valve rod, therefore just can not be applied on the ball valve.
Summary of the invention
The purpose of this utility model is at the problems referred to above, and a kind of electric ball valve of novel structure is provided, and it is had can control automatically, the long service life of rational in infrastructure, product and can limit the rotation angle of valve rod.
The purpose of this utility model can realize by following technical proposal: this electric ball valve comprises valve body, valve rod and spool, spool is positioned at valve body, valve rod passes valve body, its the inner links with spool, it is characterized in that, the outer end of described valve rod is provided with a baffle plate, a gear and a motor, wherein the outer end of baffle plate and gear and valve rod is connected, baffle plate is used to limit the rotation angle of valve rod, motor is fixed on the valve body, be provided with gear train between the rotating shaft of motor and the above-mentioned gear, gear train is meshed with machine shaft, gear respectively.
In this electric ball valve, utilize the rotation of motor, and rotate by gear set drive gear and valve rod, make ball valve open or close.Here, gear train plays the effect of deceleration and reinforcement.Baffle plate is used to limit the rotation angle of valve rod, makes ball valve can be in complete opening or complete closing state.
Usually, the maximum angle of above-mentioned baffle plate restriction valve rod rotation is 90 degree.
In above-mentioned electric ball valve, described motor joining is in a temperature controller.Control the rotation of motor and stop by temperature controller, to realize making ball valve open or close.
Usually, in above-mentioned electric ball valve, also be connected in series two throw over switches that are arranged in parallel between described motor and the temperature controller.
Best mode is, above-mentioned throw over switch is positioned over above-mentioned baffle plate and rotates on the position of institute's warp, and baffle plate can roof pressure on the button of throw over switch.
Like this, limited the slewing area of baffle plate and valve rod by the position that throw over switch is set.
This electric ball valve can be widely used in having obvious energy-saving effect in the automatic control system in fields such as central air-conditioner robot control system(RCS)s such as hotel, hotel, hospital, factory, school and induction tap, solar energy water processing.
Compared with prior art, the advantage of this electric ball valve is:
1, utilize the rotation of control motor, just can make ball valve open or close, so just can realize automatic control to this electric ball valve by the electronic equipment of temperature controller and so on, its structure is very reasonable.
2,, the rotation angle of valve rod is limited in the 90 degree scopes, so be suitable for using on the ball valve by the cooperating of baffle plate and throw over switch.
3, the valve rod rotating part of this electric ball valve has adopted mechanical structures such as gear and gear train, and motor is non-conductive when valve rod does not rotate, therefore product in use has stability preferably, and not easy to wear, can increase the service life, have higher utility.
Description of drawings
Fig. 1 is the structural representation of this electric ball valve.
The structural representation of the valve rod control section of this electric ball valve of Fig. 2.
Fig. 3 is the horizontal schematic representation at baffle plate place in this electric ball valve.
Fig. 4 is the control wiring figure of motor in this electric ball valve.
Among the figure, 1, valve body; 2, valve rod; 3, spool; 4, gear; 5, gear train; 6, baffle plate; 7, shell; 8, throw over switch button; 9, motor; 91, rotating shaft.
Embodiment
As shown in Figure 1, the bottom of this electric ball valve is common ball valve, and top is the valve rod control section.In the bottom of electric ball valve, valve body 1, valve rod 2 and spool 3 are arranged, valve rod 2 passes valve body 1, and inner and spool 3 links.
As depicted in figs. 1 and 2, in the present embodiment, the outer end of valve rod 2 be connected baffle plate 6 and gear 4.Baffle plate 6 and valve rod 2 rotate along with the rotation of gear 4.The control section of valve rod 2 is loaded in the housing 7.Gear train 5 and motor 9 are arranged in housing 7.One end of gear train 5 is meshed with the rotating shaft 91 of motor 9, and the other end is meshed with the gear 5 of valve rod 2 outer ends.Obviously, under the drive of motor 9,, just can drive baffle plate 6 and valve rod 2 has rotated by the transmission of gear train 5.Here, gear train 5 plays the effect of deceleration and reinforcement.
In the present embodiment, motor 9 is to adopt permagnetic synchronous motor.As shown in Figure 4, motor 9 is connected on the temperature controller with after throw over switch K1, the K2 of two parallel connections connect again.Temperature controller provides power supply for motor 9, can control the direction of the opening and closing and the rotation of motor 9 by temperature controller.
In addition, capacitor C in parallel on the contact of two throw over switch K1, K2 and motor 9.Capacitor C plays the effect to motor 9 reinforcements.
As shown in Figure 3, throw over switch K1 and K2 are arranged at baffle plate 6 and rotate on the position of institute's warps, and the edge of baffle plate 6 can roof pressure on the button 8 of throw over switch K1 and K2.By throw over switch K1 and K2, the rotation angle of baffle plate 6 and valve rod 2 is limited in the 90 degree scopes.
A throw over switch K is arranged on temperature controller, and two contact a, the b of throw over switch K link with above-mentioned throw over switch K1 and throw over switch K2 respectively.Temperature controller is directly being controlled the state of throw over switch K.Under state shown in Figure 4, throw over switch K1 is on state, and the edge roof pressure of baffle plate 6 makes throw over switch K2 be in off state on the button 8 of throw over switch K2, and the throw over switch K on the temperature controller is in a contact on state.At this moment, motor 9 does not have electric current to pass through, and this electric ball valve is in closed condition.When temperature controller made throw over switch K be converted to b contact on state, because throw over switch K2 is on state, so the entire circuit conducting, motor 9 began to rotate.After motor 9 rotated, motor 9 driven gear groups 5 and gear 4 rotated, and valve rod 2 is rotated together, thereby ball valve is opened.Meanwhile, baffle plate 6 also rotates together along with gear 4, and the edge of baffle plate 6 leaves the button 8 of throw over switch K2, makes throw over switch K2 be on state.When valve rod 2 turned to the complete opening that makes ball valve, baffle plate 6 also turned to throw over switch K1 place, the edge roof pressure of baffle plate 6 on the button 8 of throw over switch K1, thereby make throw over switch K1 be in off state.Along with the disconnection of throw over switch K1, entire circuit does not just have electric current to pass through, and motor 9 has also just stopped operating.
Under above-mentioned electric ball valve opening state, when temperature controller made the contact a conducting of throw over switch K, electric current can pass through throw over switch K2, and entire circuit is conducting again, and motor 9 begins again to have rotated.But, motor 9 finally makes this electric ball valve cut out along counter-rotation at this moment.After ball valve was closed fully, each throw over switch on the circuit can restore to initial state.
In the present embodiment, electric ball valve is used for the robot control system(RCS) of the central air-conditioner in places such as hotel, hotel or school.In this system, this electric ball valve is located in the terminal fan coil unit in room, and temperature controller is loaded in the room, is used to monitor indoor temperature.Generally speaking, when room temperature does not reach setting temperature, just open this electric ball valve, the conducting of air-conditioning draught fan coil pipe automatically.After room temperature reached, cold and hot medium flowed in the just automatic cut-out fan coil unit.Obviously,, can effectively cut down the consumption of energy, save substantial contribution by controlling this electric ball valve automatically.
Claims (7)
1, a kind of electric ball valve, comprise valve body (1), valve rod (2) and spool (3), spool (3) is positioned at valve body (1), valve rod (2) passes valve body (1), its the inner links with spool (3), it is characterized in that, the outer end of described valve rod (2) is provided with a baffle plate (6), a gear (4) and a motor (9), wherein baffle plate (6) and gear (4) are connected with the outer end of valve rod (2), baffle plate (6) is used to limit the rotation angle of valve rod (2), motor (9) is fixed on the valve body (1), be provided with gear train (5) between the rotating shaft (91) of motor (9) and the above-mentioned gear (4), gear train (5) respectively with motor (9) rotating shaft (91), gear (4) is meshed.
2, electric ball valve according to claim 1 is characterized in that, the maximum angle that described baffle plate (6) restriction valve rod (2) rotates is 90 degree.
3, electric ball valve according to claim 1 and 2 is characterized in that, described motor (9) is serially connected with in the temperature controller.
4, electric ball valve according to claim 3 is characterized in that, is being connected in series two throw over switch K1, K2 that are arranged in parallel between described motor (9) and the temperature controller.
5, electric ball valve according to claim 4 is characterized in that, described throw over switch K1, K2 are positioned over above-mentioned baffle plate (6) and rotate on the position of institute's warp, and baffle plate (6) can roof pressure on the button (8) of throw over switch K1, K2.
6, electric ball valve according to claim 3 is characterized in that, described motor (9) is to adopt permagnetic synchronous motor.
7, electric ball valve according to claim 5 is characterized in that, a throw over switch K is arranged on temperature controller, and two contact a, the b of throw over switch K link with above-mentioned throw over switch K1 and throw over switch K2 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420022518 CN2703928Y (en) | 2004-04-30 | 2004-04-30 | Electric ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420022518 CN2703928Y (en) | 2004-04-30 | 2004-04-30 | Electric ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2703928Y true CN2703928Y (en) | 2005-06-08 |
Family
ID=34770411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420022518 Expired - Lifetime CN2703928Y (en) | 2004-04-30 | 2004-04-30 | Electric ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2703928Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100395475C (en) * | 2004-04-30 | 2008-06-18 | 台州光辉自控科技有限公司 | Electrical ball valve |
| RU2495312C1 (en) * | 2012-05-12 | 2013-10-10 | Николай Викторович Харитонов | Ball valve |
| CN104329480A (en) * | 2014-09-24 | 2015-02-04 | 华中科技大学 | Electric ball valve |
| RU2546344C1 (en) * | 2014-04-02 | 2015-04-10 | Николай Викторович Харитонов | Ball valve |
-
2004
- 2004-04-30 CN CN 200420022518 patent/CN2703928Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100395475C (en) * | 2004-04-30 | 2008-06-18 | 台州光辉自控科技有限公司 | Electrical ball valve |
| RU2495312C1 (en) * | 2012-05-12 | 2013-10-10 | Николай Викторович Харитонов | Ball valve |
| RU2546344C1 (en) * | 2014-04-02 | 2015-04-10 | Николай Викторович Харитонов | Ball valve |
| CN104329480A (en) * | 2014-09-24 | 2015-02-04 | 华中科技大学 | Electric ball valve |
| CN104329480B (en) * | 2014-09-24 | 2016-05-25 | 华中科技大学 | A kind of electrical ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080618 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |