CN217815256U - Valve straight stroke electric actuator - Google Patents
Valve straight stroke electric actuator Download PDFInfo
- Publication number
- CN217815256U CN217815256U CN202221398506.9U CN202221398506U CN217815256U CN 217815256 U CN217815256 U CN 217815256U CN 202221398506 U CN202221398506 U CN 202221398506U CN 217815256 U CN217815256 U CN 217815256U
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- gear
- valve
- electric actuator
- combined
- circuit board
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Abstract
The utility model discloses a valve straight stroke electric actuator, which comprises an output shaft lead screw, wherein a main shaft gear piece is fixedly installed on the output shaft lead screw, one side of the main shaft gear piece is provided with a combined butterfly spring assembly, the other side of the main shaft gear piece is provided with a copper nut, the copper nut is provided with a working groove, a cam reed is installed in the working groove, two sides of the cam reed are provided with a stroke switch, the stroke switch is fixedly welded on an integrated circuit board, and the integrated circuit board is fixedly installed on a motor board circuit board fixing plate; the main shaft gear piece is meshed with the combined gear, and the combined gear is connected with the motor. The utility model has the advantages of small volume, more stable valve work and convenient maintenance.
Description
Technical Field
The utility model relates to a valve regulation field particularly, relates to a valve straight stroke electric actuator.
Background
The valve electric actuating mechanism is a machine which takes electric energy generated by rotation of a motor as a main energy source and changes the electric energy into linear reciprocating motion of a power output shaft to realize the on-off adjusting function of a valve. Two cams are arranged on one side of a travel switch of the existing valve electric actuating mechanism, rotate 180 degrees by the cams, touch a travel switch contact, and close the travel switch. The cam is rotated ceaselessly in the using process due to the mode, and the phenomenon of looseness and the like easily occurs after the cam is used for a period of time, so that the operation of the executing mechanism is unstable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a valve straight stroke electric actuator. The utility model has the advantages of small volume, more stable valve work and convenient maintenance.
The technical scheme of the utility model: a valve straight stroke electric actuator comprises an output shaft lead screw, a main shaft gear piece is fixedly mounted on the output shaft lead screw, a combined butterfly spring assembly is arranged on one side of the main shaft gear piece, a copper nut is arranged on the other side of the main shaft gear piece, a working groove is formed in the copper nut, a cam reed is mounted in the working groove, stroke switches are arranged on two sides of the cam reed and fixedly welded on an integrated circuit board, and the integrated circuit board is fixedly mounted on a motor board circuit board fixing plate; the main shaft gear piece is meshed with the combined gear, and the combined gear is connected with the motor.
In the valve straight-stroke electric actuator, the main shaft gear piece is engaged with a first gear in the combined gear, the first gear is engaged with a second gear, one side of the second gear is engaged with a main gear of the motor, the other side of the second gear is connected with a manual gear, and the manual gear is fixedly connected with the hand wheel.
In the valve straight-stroke electric actuator, the motor is a permanent magnet synchronous motor.
In the aforementioned valve straight-stroke electric actuator, the circuit board fixing plate and the base are integrally formed.
In the aforementioned straight-stroke electric actuator of the valve, the combined butterfly spring assembly is installed in the base, and when the valve is closed, the butterfly spring assembly generates a reverse acting force to prevent leakage after the valve is closed.
In the aforementioned valve straight-stroke electric actuator, the combined butterfly spring assembly includes a butterfly spring, and bearings are disposed on two sides of the butterfly spring.
In the valve straight-stroke electric actuating mechanism, a valve rod connecting sleeve is arranged at one end of the output shaft screw rod and is connected with the valve through the valve rod connecting sleeve.
Compared with the prior art, the utility model discloses a with the fixed welding of travel switch on the integral type circuit board, integral type circuit board fixed mounting is on circuit board fixed plate, and circuit board fixed plate takes shape with the base is integrative, makes the difficult aversion of valve electric actuator's travel switch during operation, and the during operation is more stable to if break down, direct change circuit board assembly overhauls very conveniently.
Furthermore, the main gear on the permanent magnet synchronous motor drives the combined gear, a belt and the like are omitted, the size of the actuating mechanism is reduced, meanwhile, a manual gear is arranged, and adjusting functions of opening and closing of the valve and the like can be manually completed according to needs under the condition of power failure through a hand wheel.
To sum up, the utility model has the advantages of it is small, make valve work more stable, overhaul convenient simultaneously.
Drawings
FIG. 1 is a schematic sectional view of the structure of the present invention;
fig. 2 is a schematic top cross-sectional view of the present invention;
the labels in the figures are: 1-output shaft screw rod, 2-spindle gear piece, 3-combined gear, 31-first gear, 32-second gear, 4-combined butterfly spring assembly, 41-butterfly spring, 42-bearing, 5-motor, 51-main gear, 6-manual gear, 7-hand wheel, 8-copper nut, 9-working groove, 10-cam reed, 11-travel switch, 12-integrated circuit board, 13-circuit board fixing plate, 14-base and 15-valve rod connecting sleeve.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Example 1. A valve straight stroke electric actuator is shown in a figure 1-2 and comprises an output shaft screw rod 1, a main shaft gear piece 2 is fixedly installed on the output shaft screw rod 1, a combined butterfly spring assembly 4 is arranged on one side of the main shaft gear piece 2, a copper nut 8 is arranged on the other side of the main shaft gear piece, a working groove 9 is formed in the copper nut 8, a cam reed 10 is installed in the working groove 9, a stroke switch 11 is arranged on two sides of the cam reed 10, the stroke switch 11 is fixedly welded on an integrated circuit board 12, and the integrated circuit board 12 is fixedly installed on a motor board circuit board fixing plate 13; the spindle gear piece 2 is meshed with the combined gear 3, and the combined gear 3 is connected with the motor 5.
The main shaft gear piece 2 is meshed with a first gear 31 in the combined gear 3, the first gear 31 is meshed with a second gear 32, one side of the second gear 32 is meshed with a main gear 51 of the motor 5, the other side of the second gear 32 is connected with a manual gear 6, the manual gear 6 is fixedly connected with a hand wheel 7, and adjusting functions of opening and closing a valve and the like can be manually completed as required under the condition of power failure through the hand wheel 7.
The motor 5 is a permanent magnet synchronous motor.
The circuit board fixing plate 13 is integrally formed with the base 14.
The combined butterfly spring assembly 4 is arranged in the base 14, and when the valve is closed, the combined butterfly spring assembly 4 generates reverse acting force to prevent leakage after the valve is closed.
The combined butterfly spring assembly 4 comprises a butterfly spring 41, and bearings 42 are arranged on two sides of the butterfly spring 41.
And one end of the output shaft screw rod 1 is provided with a valve rod connecting sleeve 15 and is connected with a valve through the valve rod connecting sleeve 15.
Claims (7)
1. A valve straight stroke electric actuator is characterized by comprising an output shaft screw rod (1), wherein a main shaft gear piece (2) is fixedly installed on the output shaft screw rod (1), a combined butterfly spring assembly (4) is arranged on one side of the main shaft gear piece (2), a copper nut (8) is arranged on the other side of the main shaft gear piece, a working groove (9) is formed in the copper nut (8), a cam reed (10) is installed in the working groove (9), travel switches (11) are arranged on two sides of the cam reed (10), the travel switches (11) are fixedly welded on an integrated circuit board (12), and the integrated circuit board (12) is fixedly installed on a circuit board fixing plate (13); the main shaft gear piece (2) is meshed with the combined gear (3), and the combined gear (3) is connected with the motor (5).
2. The valve straight stroke electric actuator according to claim 1, wherein the spindle gear plate (2) is engaged with a first gear (31) in the combined gear (3), the first gear (31) is engaged with a second gear (32), one side of the second gear (32) is engaged with a main gear (51) of the motor (5), the other side of the second gear (32) is connected with a manual gear (6), and the manual gear (6) is fixedly connected with the hand wheel (7).
3. The valve linear electric actuator according to claim 1, wherein the motor (5) is a permanent magnet synchronous motor.
4. A valve linear electric actuator according to claim 1, wherein the combined butterfly spring assembly (4) is mounted in a seat (14).
5. A valve linear electric actuator according to claim 4, characterized in that the circuit board fixing plate (13) is formed integrally with the base (14).
6. The valve straight stroke electric actuator according to claim 1, wherein the combined butterfly spring assembly (4) comprises a butterfly spring (41), and bearings (42) are arranged on two sides of the butterfly spring (41).
7. The valve straight stroke electric actuator according to claim 1, wherein one end of the output shaft screw rod (1) is provided with a valve rod connecting sleeve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221398506.9U CN217815256U (en) | 2022-06-06 | 2022-06-06 | Valve straight stroke electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221398506.9U CN217815256U (en) | 2022-06-06 | 2022-06-06 | Valve straight stroke electric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217815256U true CN217815256U (en) | 2022-11-15 |
Family
ID=83990305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221398506.9U Active CN217815256U (en) | 2022-06-06 | 2022-06-06 | Valve straight stroke electric actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217815256U (en) |
-
2022
- 2022-06-06 CN CN202221398506.9U patent/CN217815256U/en active Active
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