CN204042136U - Electric valve - Google Patents
Electric valve Download PDFInfo
- Publication number
- CN204042136U CN204042136U CN201420478112.3U CN201420478112U CN204042136U CN 204042136 U CN204042136 U CN 204042136U CN 201420478112 U CN201420478112 U CN 201420478112U CN 204042136 U CN204042136 U CN 204042136U
- Authority
- CN
- China
- Prior art keywords
- gear
- duplicate gear
- valve
- train
- reduction
- 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
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Electrically Driven Valve-Operating Means (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a kind of electric valve, comprise valve body, valve body is provided with valve and closes device, the valve rod of described start-stop device and valve body is in transmission connection, described valve opening and closing device comprises closed shell, retarder is provided with in closed shell, circuit board, motor, described retarder comprises reduction gear mounting plate, train of reduction gears, reduction gear axial restraint baffle plate, motor and circuit board are all fixed on the outer side surface of reduction gear axial restraint baffle plate, the main shaft of motor and the power intake of train of reduction gears are in transmission connection, the output shaft of the clutch end of train of reduction gears, its one end and valve rod are in transmission connection, the other end is connected with spacing centering block, between two limit switches that spacing centering block is arranged on circuit board, swingable angle is 90 degree, and face contacts can be distinguished with two limit switches.The electric controller of electric valve of the present utility model is stable and reliable for performance, and structure is simple, and composition component are few, and manufacturing cost is low.
Description
Technical field
The utility model relates to technical field of valve control, is specifically related to a kind of valve of Electronic control.
Background technique
The electric controller complex structure of the electric valve under prior art, composition component are many, and maintenance and assembling difficulty, manufacturing cost is high.
Model utility content
For the deficiencies in the prior art, the utility model provides a kind of electric valve.
To achieve these goals, the utility model solves the technological scheme that its technical problem adopts: electric valve, comprise valve body, valve body is provided with valve and closes device, the valve rod of described start-stop device and valve body is in transmission connection, described valve opening and closing device comprises closed shell, retarder is provided with in closed shell, circuit board, motor, described retarder comprises reduction gear mounting plate, train of reduction gears, reduction gear axial restraint baffle plate, motor and circuit board are all fixed on the outer side surface of reduction gear axial restraint baffle plate, the main shaft of motor and the power intake of train of reduction gears are in transmission connection, the output shaft of the clutch end of train of reduction gears, its one end and valve rod are in transmission connection, the other end is connected with spacing centering block, between two limit switches that spacing centering block is arranged on circuit board, swingable angle is 90 degree, and face contacts can be distinguished with two limit switches.
It should be noted that further, described train of reduction gears is dead axle train of reduction gears, and by the first duplicate gear, second duplicate gear, 3rd duplicate gear, 4th duplicate gear, 5th duplicate gear, moment output gear is in transmission connection composition successively, namely the small gear of the first duplicate gear is meshed with the gearwheel of the second duplicate gear, the small gear of the second duplicate gear is meshed with the gearwheel of the 3rd duplicate gear, the small gear of the 3rd duplicate gear engages with the gearwheel of the 4th duplicate gear, the small gear of the 4th duplicate gear engages with the gearwheel of the 5th duplicate gear, the small gear of the 5th duplicate gear is meshed with moment output gear again, wherein the gearwheel of the first duplicate gear is meshed with the output gear on motor rotary shaft, the output shaft of the clutch end of described train of reduction gears is the rotating shaft of moment output gear, its two ends respectively rotating sleeve are connected on reduction gear axial restraint baffle plate and reduction gear mounting plate.
It should be noted that further, described circuit board is L shape PC plate, two limit switches are all fixed and are connected electrically on L shape PC plate, L shape PC plate is also fixed and is electrically connected with two diodes, described two limit switches are divided into the first limit switch and the second limit switch, described two diodes are divided into the first diode and the second diode, wherein, first diode, the first limit switch, motor are connected in series successively, and the second diode is connected in the two ends of the first diode and the first limit switch serial connection group in parallel after being connected in series with the second limit switch.
The beneficial effects of the utility model: the electric controller of electric valve of the present utility model is stable and reliable for performance, structure is simple, and composition component are few, and manufacturing cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is internal structure schematic diagram of the present utility model;
Fig. 3 is train of reduction gears structural representation of the present utility model;
Fig. 4 is control circuit figure of the present utility model.
Embodiment
Electric valve as shown in Figures 1 to 4, comprise valve body 1, valve body 1 is provided with valve and closes device 2, described start-stop device 2 is in transmission connection with the valve rod of valve body 1, described valve opening and closing device 2 comprises closed shell 3, retarder 4 is provided with in closed shell 3, circuit board 5, motor 6, described retarder 4 comprises reduction gear mounting plate 7, train of reduction gears, reduction gear axial restraint baffle plate 8, motor 6 and circuit board are all fixed on the outer side surface of reduction gear axial restraint baffle plate 8, the main shaft of motor 6 and the power intake of train of reduction gears are in transmission connection, the output shaft of the clutch end of train of reduction gears, its one end and valve rod are in transmission connection, the other end is connected with spacing centering block 9, between two limit switches that spacing centering block 9 is arranged on circuit board 5, swingable angle is 90 degree, and face contacts can be distinguished with two limit switches.
Preferably, described train of reduction gears is dead axle train of reduction gears, and by the first duplicate gear 11, second duplicate gear 12, 3rd duplicate gear 13, 4th duplicate gear 14, 5th duplicate gear 15, moment output gear 16 is in transmission connection composition successively, namely the small gear of the first duplicate gear 11 is meshed with the gearwheel of the second duplicate gear 12, gear ratio is 22/33, the small gear of the second duplicate gear 12 is meshed with the gearwheel of the 3rd duplicate gear 13, gear ratio is 12/40, the small gear of the 3rd duplicate gear 13 engages with the gearwheel of the 4th duplicate gear 14, gear ratio is 12/49, the small gear of the 4th duplicate gear 14 engages with the gearwheel of the 5th duplicate gear 15, gear ratio is 10/43, the small gear of the 5th duplicate gear 15 is meshed with moment output gear 16 again, gear ratio is 10/51, gear ratio is that the gearwheel of wherein the first duplicate gear 11 is meshed with the output gear in motor 6 rotating shaft, gear ratio is 12/26, the total reduction ratio of retarder 4 is 22/33 × 12/40 × 12/49 × 10/43 × 10/51 × 12/26.The output shaft of the clutch end of described train of reduction gears is the rotating shaft of moment output gear 16, and its two ends respectively rotating sleeve are connected on reduction gear axial restraint baffle plate 8 and reduction gear mounting plate 7.
Preferably, described circuit board 5 is L shape PC plate, two limit switches are all fixed and are connected electrically on L shape PC plate, L shape PC plate is also fixed and is electrically connected with two diodes, described two limit switches are divided into the first limit switch 10 and the second limit switch 17, described two diodes are divided into the first diode 18 and the second diode 19, wherein, first diode 18, first limit switch 10, motor 6 are connected in series successively, and the second diode 19 is connected in the two ends of the first diode 18 and the first limit switch 10 serial connection group in parallel after being connected in series with the second limit switch 17.
Preferably, described motor 6 is direct current generator, and in circuit diagram, code name is MD.
Preferably, the model of described first diode 18 and the second diode 19 is M7, and wherein, the first diode 18 and the second diode 19 access electrode and pick out electrode contrary.
Preferably, described first limit switch 10 and the second limit switch 17 are the limit switch of normally-closed contact, and the code name in circuit diagram is SQ
1and SQ
2.
The keying step of electric valve of the present utility model and principle, unlatching or closed condition is in when valve is initial, when valve opening and closing device 2 is by opening conversion controling switch access DC electrical source, rotate from the rotating shaft output torque band ovable valve stem of moment output gear 16 after motor 6 is worked and slowed down by retarder 4 and realize spool unlatching or close, when the spacing centering block 9 of the rotating shaft the other end being connected to moment output gear 16 presses the first limit switch 10 or the second limit switch 17, motor 6 stops operating immediately, valve spool of valve is stayed open or closed condition.
Claims (3)
1. electric valve, comprise valve body (1), valve body (1) is provided with valve and closes device (2), described start-stop device (2) is in transmission connection with the valve rod of valve body (1), it is characterized in that described valve opening and closing device (2) comprises closed shell (3), retarder (4) is provided with in closed shell (3), circuit board (5), motor (6), described retarder (4) comprises reduction gear mounting plate (7), train of reduction gears, reduction gear axial restraint baffle plate (8), motor (6) and circuit board are all fixed on the outer side surface of reduction gear axial restraint baffle plate (8), the main shaft of motor (6) and the power intake of train of reduction gears are in transmission connection, the output shaft of the clutch end of train of reduction gears, its one end and valve rod are in transmission connection, the other end is connected with spacing centering block (9), spacing centering block (9) is positioned between upper two limit switches arranged of circuit board (5), swingable angle is 90 degree, and face contacts can be distinguished with two limit switches.
2. electric valve according to claim 1, it is characterized in that, described train of reduction gears is dead axle train of reduction gears, and by the first duplicate gear (11), second duplicate gear (12), 3rd duplicate gear (13), 4th duplicate gear (14), 5th duplicate gear (15), moment output gear (16) is in transmission connection composition successively, namely the small gear of the first duplicate gear (11) is meshed with the gearwheel of the second duplicate gear (12), the small gear of the second duplicate gear (12) is meshed with the gearwheel of the 3rd duplicate gear (13), the small gear of the 3rd duplicate gear (13) engages with the gearwheel of the 4th duplicate gear (14), the small gear of the 4th duplicate gear (14) engages with the gearwheel of the 5th duplicate gear (15), the small gear of the 5th duplicate gear (15) is meshed with moment output gear (16) again, wherein the gearwheel of the first duplicate gear (11) is meshed with the output gear in motor (6) rotating shaft, the output shaft of the clutch end of described train of reduction gears is the rotating shaft of moment output gear (16), its two ends respectively rotating sleeve are connected on reduction gear axial restraint baffle plate (8) and reduction gear mounting plate (7).
3. electric valve according to claim 1, it is characterized in that, described circuit board (5) is L shape PC plate, two limit switches are all fixed and are connected electrically on L shape PC plate, L shape PC plate is also fixed and is electrically connected with two diodes, described two limit switches are divided into the first limit switch (10) and the second limit switch (17), described two diodes are divided into the first diode (18) and the second diode (19), wherein, first diode (18), first limit switch (10), motor (6) is connected in series successively, second diode (19) is connected in the two ends of the first diode (18) and the first limit switch (10) serial connection group in parallel after being connected in series with the second limit switch (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478112.3U CN204042136U (en) | 2014-08-22 | 2014-08-22 | Electric valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478112.3U CN204042136U (en) | 2014-08-22 | 2014-08-22 | Electric valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204042136U true CN204042136U (en) | 2014-12-24 |
Family
ID=52242803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420478112.3U Expired - Fee Related CN204042136U (en) | 2014-08-22 | 2014-08-22 | Electric valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204042136U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332366A (en) * | 2019-07-22 | 2019-10-15 | 台州舟浩阀门科技有限公司 | valve control device |
| CN112750631A (en) * | 2019-10-31 | 2021-05-04 | 许继电气股份有限公司 | Three-station operating mechanism |
-
2014
- 2014-08-22 CN CN201420478112.3U patent/CN204042136U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332366A (en) * | 2019-07-22 | 2019-10-15 | 台州舟浩阀门科技有限公司 | valve control device |
| CN112750631A (en) * | 2019-10-31 | 2021-05-04 | 许继电气股份有限公司 | Three-station operating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20141224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |