CN215568313U

CN215568313U - Manual-automatic integrated electric actuator

Info

Publication number: CN215568313U
Application number: CN202121775200.6U
Authority: CN
Inventors: 陈申建
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-31
Filing date: 2021-07-31
Publication date: 2022-01-18
Anticipated expiration: 2031-07-31

Abstract

The utility model provides a manual-automatic integrated electric actuator which comprises a shell, a motor and a gear reduction set, wherein the motor is arranged on the outer side of the shell, an output shaft of the motor penetrates through the shell and extends into the shell, the gear reduction set is arranged inside the shell, an input gear of the gear reduction set is coaxially connected with the output shaft of the motor, a control shaft is arranged at an output gear of the gear reduction set, the control shaft penetrates through the shell and is used for controlling a valve to be opened and closed, an operating rod is further arranged on the output gear, the operating rod penetrates through and protrudes out of the shell, and a handle is arranged at the end part, protruding out of the shell, of the operating rod. When the power failure condition occurs, the output gear of the gear reduction group can be controlled by the hand wheel to rotate circumferentially. Meanwhile, the output gear of the gear reduction group drives the control shaft to rotate circumferentially to control the valve to be closed. Through addding control lever and handle for realize the manual control to the executor, promoted the suitability of executor in the very big degree.

Description

Manual-automatic integrated electric actuator

Technical Field

The utility model relates to an electric actuator, in particular to a manual-automatic integrated electric actuator.

Background

At present, chinese patent with publication number CN208381442U discloses a small electric actuator with good sealing performance, which comprises a housing, wherein a gear reduction unit and a motor are arranged inside the housing, an input gear of the gear reduction unit is in transmission connection with the motor, and an output gear of the gear reduction unit is connected with an output shaft for controlling the opening and closing of a valve. The gear speed reduction unit is characterized in that a partition plate is further arranged inside the shell, a guide groove is formed in the partition plate, a switch deflector rod is arranged on an output gear of the gear speed reduction unit, and the switch deflector rod penetrates through the guide groove. However, the electric actuator uses a motor as a power element to control the opening and closing of the valve. If the power failure condition occurs, the electric actuator can not normally control the opening and closing of the valve due to the fact that the motor cannot normally operate, and the applicability of the electric actuator is greatly influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides an automated manual actuator, which has the advantage of high applicability.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a manual-automatic electric actuator, includes casing, motor and gear reduction group, the motor sets up the outside of casing, the output shaft of motor runs through and stretches into the casing, gear reduction group sets up inside the casing, gear reduction group's input gear coaxial coupling in the output shaft of motor, gear reduction group's output gear department is provided with the control shaft, the control shaft runs through the casing just is used for control flap to open and close, still be provided with the control lever on the output gear, the control lever runs through and protrudes the casing, the control lever protrusion in be provided with the handle on the tip of casing.

Through above-mentioned technical scheme, when the outage condition appears, accessible hand wheel control gear speed reduction group's output gear carries out circumferential direction. Meanwhile, the output gear of the gear reduction group drives the control shaft to rotate circumferentially to control the valve to be closed. Through addding control lever and handle for realize the manual control to the executor, promoted the suitability of executor in the very big degree.

Preferably, the control rod is sleeved with a contact piece, and the contact piece is in contact with the output gear.

Through above-mentioned technical scheme, the butt piece can separate output gear and casing for output gear can more smoothly rotate, and difficult wearing and tearing.

Preferably, a first limiting surface is arranged at the inner ring of the abutting piece, a second limiting surface is arranged at the side wall of the control shaft, and the first limiting surface is attached to the second limiting surface.

Through above-mentioned technical scheme, spacing face one and spacing face two are laminated each other, can carry on spacingly to the butt piece for difficult emergence relative rotation between butt piece and the output gear, with this assurance output gear is difficult for wearing and tearing.

Preferably, a through groove is formed in the second limiting surface, and the through groove radially penetrates through the control shaft.

Through above-mentioned technical scheme, during the use, the accessible leads to the groove and links to each other with the valve joint for the installation of executor becomes more convenient.

Preferably, the casing is provided with an abutting ring for the control shaft to pass through, and the abutting ring is abutted against the abutting sheet.

Through above-mentioned technical scheme, the butt ring can be separated butt piece and casing for reduce butt piece's area of contact, make butt piece be difficult for wearing and tearing.

Preferably, the control shaft penetrates through the output gear and is integrally formed with the control rod, a blocking ring is arranged at the end part of the control shaft close to the control rod, and the blocking ring is used for abutting against the abutting ring.

Through above-mentioned technical scheme, the control shaft runs through output gear and with control lever integrated into one piece, so can separately produce output gear and control shaft and control lever for the production of this executor becomes more convenient. Keep off the ring and can support tight butt piece and carry out spacingly to butt piece for butt piece is difficult for producing and beats.

Preferably, the output gear is provided with a limiting groove, the limiting groove is arranged along the circumferential direction of the output gear, the abutting piece is provided with a limiting column, and the limiting column is connected with the limiting groove in a sliding manner.

Through above-mentioned technical scheme, using the hand wheel to be used for ordering about output gear pivoted in-process, spacing post slides in spacing inslot portion, and the control shaft does not take place to rotate this moment. When the limiting column is abutted against one end of the limiting groove, the control shaft can be driven to rotate by rotating the hand wheel so as to control the opening and closing of the valve. The spacing post is mutually matched with the spacing groove, so that the misoperation can be reduced.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic cross-sectional view of an embodiment;

FIG. 3 is a partial schematic view of an embodiment.

Reference numerals: 1. a housing; 2. a motor; 3. a gear reduction group; 31. an input gear; 32. an output gear; 4. a control shaft; 5. a control lever; 6. a handle; 7. abutting the sheet; 8. a first limiting surface; 9. a second limiting surface; 10. a through groove; 11. a butting ring; 12. a baffle ring; 13. a limiting groove; 14. a limiting column.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.

An automated manual electric actuator is shown in fig. 1 and 2, and comprises a housing 1, a motor 2 and a gear reduction group 3.

As shown in fig. 2 and 3, the housing 1 includes a hollow support frame and support plates symmetrically disposed at two ends of the support frame, the support frame and the support plates are fixed by screws, and the connection stability is high. For convenience of subsequent description, the two support plates are respectively named as a first support plate and a second support plate.

The motor 2 is located the outside of the shell 1, the shell of the motor 2 is fixedly connected to the first supporting plate, and the output shaft of the motor 2 penetrates through the first supporting plate and extends into the supporting frame.

The gear reduction group 3 is located inside the housing 1 and is mounted on the second support plate. The input gear 31 of the gear reduction group 3 is coaxially connected to the output shaft of the motor 2 and can rotate circumferentially along with the output shaft of the motor 2. The output gear 32 of the gear reduction group 3 is provided with a limit groove 13 in a penetrating manner, and the limit groove 13 is arranged along the circumferential direction of the output gear 32.

The output gear 32 is provided with a control shaft 4 on one side close to the second support plate, one end of the control shaft 4 penetrates through the second support plate, and the other end of the control shaft 4 penetrates through the center of the output gear 32. The control shaft 4 is sleeved with a contact piece 7, and the contact piece 7 is tightly contacted with the output gear 32. The side wall of the control shaft 4 is provided with a second limiting surface 9, and the second limiting surface 9 extends along the axial direction of the control shaft 4. A through groove 10 is formed in the second limiting surface 9, and the through groove 10 penetrates through the control shaft 4 along the radial direction. The inner ring of the abutting sheet 7 is provided with a first limiting surface 8, and the first limiting surface 8 is tightly attached to a second limiting surface 9 to limit the relative rotation of the abutting sheet 7 and the control shaft 4. The abutting sheet 7 is provided with a limiting column 14 close to the end face of the first supporting plate, and the limiting column 14 is connected inside the limiting groove 13 in a sliding manner.

The end face of the second support plate close to the support frame is provided with an abutting ring 11, and the control shaft 4 penetrates through the abutting ring 11. The abutting ring 11 abuts against the abutting sheet 7 tightly to limit the abutting sheet 7, so that the abutting sheet 7 is not easy to move to one side of the second supporting plate. The end part of the control shaft 4 close to the first supporting plate is provided with a retaining ring 12, the retaining ring 12 abuts against the abutting sheet 7 tightly to limit the abutting sheet 7, so that the abutting sheet 7 is not easy to move to one side of the first supporting plate.

The control shaft 4 is coaxially provided with a control rod 5 on the end part close to the first support plate, and the control rod 5 penetrates through and protrudes out of the first support plate. The end part of the control rod 5 protruding out of the first supporting plate is connected with a handle 6, and the output gear 32 can be driven to rotate circumferentially by the handle 6 when the device is used.

The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.

Claims

1. The utility model provides a manual-automatic integrative electric actuator, includes casing (1), motor (2) and gear reduction group (3), motor (2) set up the outside of casing (1), the output shaft of motor (2) runs through and stretches into casing (1), gear reduction group (3) set up inside casing (1), input gear (31) coaxial coupling of gear reduction group (3) in the output shaft of motor (2), output gear (32) department of gear reduction group (3) is provided with control shaft (4), control shaft (4) run through casing (1) just are used for the control flap to open and close characterized by: the output gear (32) is further provided with a control rod (5), the control rod (5) penetrates through and protrudes out of the shell (1), and a handle (6) is arranged at the end part, protruding out of the shell (1), of the control rod (5).

2. The automated manual electric actuator according to claim 1, wherein: the control rod is sleeved with a contact piece (7), and the contact piece (7) is contacted with the output gear (32) in a contact manner.

3. The automated manual electric actuator according to claim 2, wherein: the inner ring of the abutting piece (7) is provided with a first limiting face (8), the side wall of the control shaft (4) is provided with a second limiting face (9), and the first limiting face (8) is attached to the second limiting face (9).

4. The automated manual electric actuator according to claim 3, wherein: and a through groove (10) is formed in the second limiting surface (9), and the through groove (10) radially penetrates through the control shaft (4).

5. The automated manual electric actuator according to claim 2, wherein: the casing (1) is provided with a butt joint ring (11) for the control shaft (4) to pass through, and the butt joint ring (11) is in butt contact with the butt joint piece (7).

6. The automated manual electric actuator according to claim 2, wherein: the control shaft (4) run through in output gear (32) and with control lever (5) integrated into one piece, control shaft (4) be close to be provided with on the tip of control lever (5) and keep off ring (12), keep off ring (12) and be used for contradicting butt piece (7).

7. The automated manual electric actuator according to claim 2, wherein: the output gear (32) is provided with a limiting groove (13), the limiting groove (13) is arranged along the circumferential direction of the output gear (32), the abutting piece (7) is provided with a limiting column (14), and the limiting column (14) is connected with the limiting groove (13) in a sliding manner.