CN211117882U - Electric actuator - Google Patents
Electric actuator Download PDFInfo
- Publication number
- CN211117882U CN211117882U CN201922013348.5U CN201922013348U CN211117882U CN 211117882 U CN211117882 U CN 211117882U CN 201922013348 U CN201922013348 U CN 201922013348U CN 211117882 U CN211117882 U CN 211117882U
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- drive gear
- electric actuator
- gear
- motor
- drive
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Abstract
The utility model relates to an electric actuator, including the motor, the handle, output shaft and drive mechanism, the motor passes through drive mechanism and output shaft, the handle is connected with drive mechanism, drive mechanism includes first drive gear, second drive gear connects and connects gear and spring, first drive gear and second drive gear are connected, first drive gear cover is established on the motor shaft of motor, connect gear and first drive gear or second drive gear meshing, the spring housing is established on the motor shaft and one end is supported and is leaned on first drive gear, the handle includes axial region and seal, the axial region passes the seal and is connected with second drive gear, the seal includes annular convex part, annular convex part both sides are equipped with the bearing, the axial region passes annular convex part. The utility model can conveniently switch between the electric driving mode and the manual driving mode, simplifies the transmission mechanism and effectively reduces the overall quality and cost; in addition, when the electric drive, the handle can not follow the rotation, has promoted the security.
Description
Technical Field
The utility model relates to an actuating mechanism technical field, in particular to electric actuator.
Background
The basic actuator is used to drive the valve to a fully open or fully closed position. The actuator used to control the valve can precisely move the valve to any position. Electric actuators are actuators that are driven by electrical energy and, therefore, rely on electrical power. When the power supply is cut off, manual operation is needed, and therefore, the existing electric actuating mechanism is generally provided with a manual driving mechanism. The existing manual mechanism is usually connected with an output shaft through a hand wheel and a clutch, and the hand wheel can be driven by large force due to large friction force when the clutch acts, so that the manual mechanism is labor-consuming to use; in addition, the clutch has a complex structure, high cost and easy failure.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve prior art's problem, provide one kind and be convenient for switch between electric drive and the manual drive mode, the pivoted electric actuator can not be followed to the handle.
The specific technical scheme is as follows: the utility model provides an electric actuator, includes the motor, the handle, output shaft and drive mechanism, the motor passes through drive mechanism and output shaft, and the handle is connected with drive mechanism, and drive mechanism includes first drive gear, and second drive gear connects and connects gear and spring, first drive gear and second drive gear are connected, and first drive gear cover is established on the motor shaft of motor, connects gear and first drive gear or second drive gear meshing, and the spring housing is established on the motor shaft and one end is supported and is leaned on first drive gear, the handle includes axial region and seal, and the axial region passes the seal and is connected with second drive gear, and the seal includes annular convex part, and annular convex part both sides are equipped with the bearing, and the axial region passes annular convex part.
The following is the attached technical proposal of the utility model.
Furthermore, the electric actuator comprises a locking mechanism, the locking mechanism comprises an elastic part and a ball body, the elastic part is arranged in a hole in the shell of the electric actuator, the ball body is arranged at one end of the elastic part, the shaft part is provided with an annular groove, and the ball body and the annular groove are correspondingly arranged.
Further, be equipped with joint portion on the motor shaft, first drive gear is equipped with the draw-in groove, joint portion card is established in the draw-in groove.
Further, the second transmission gear has a groove, and the first transmission gear has a projection inserted into the groove.
Further, the shaft part and the second transmission gear are of an integral structure.
Further, the shaft portion has a receiving groove communicating with the groove, and the motor shaft is inserted into the receiving groove.
Further, the output shaft is arranged in parallel with the motor shaft.
Further, the hole is perpendicular to the shaft portion.
Further, the sealing body includes an installation portion that is engaged with the housing.
The technical effects of the utility model: the electric actuator of the utility model can conveniently switch between the electric driving mode and the manual driving mode, simplifies the transmission mechanism and effectively reduces the overall quality and cost; in addition, when the electric driving is carried out, the handle cannot rotate along with the electric driving, so that the safety is improved; when the motor is driven manually, the motor shaft cannot rotate, and the service life of the motor is prolonged.
Drawings
Fig. 1 is a schematic view of an electric actuator according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of the electric actuator according to the embodiment of the present invention in the manual driving mode.
Fig. 3 is a schematic view of a motor shaft according to an embodiment of the present invention.
Detailed Description
The essential features and advantages of the invention will be further explained below with reference to examples, but the invention is not limited to the embodiments listed.
As shown in fig. 1 to 3, an electric actuator of the present embodiment includes a motor 1, a handle 2, an output shaft 3, and a transmission mechanism 4, where the motor 1 is connected to the output shaft 3 through the transmission mechanism 4, and the handle 2 is connected to the transmission mechanism 4. The transmission mechanism 4 comprises a first transmission gear 41, a second transmission gear 42, a matching gear 43 and a spring 44, the first transmission gear 41 is connected with the second transmission gear 42, the first transmission gear 41 is sleeved on the motor shaft 11 of the motor 1, the matching gear 43 is meshed with the first transmission gear 41 or the second transmission gear 42, the spring 44 is sleeved on the motor shaft 11, and one end of the spring is abutted against the first transmission gear 41. The handle 2 comprises a shaft part 21 and a sealing body 22, and the shaft part 21 penetrates through the sealing body 22 to be connected with a second transmission gear 42. The seal body 22 includes an annular projection 221, bearings 5 are provided on both sides of the annular projection 221, and the shaft portion 21 passes through the annular projection 221. In the above technical solution, when the electric actuator normally works, the motor shaft 11 of the motor drives the first transmission gear 41 to rotate, the first transmission gear 41 is engaged with the adapting gear 43, and the adapting gear 43 is fixedly connected with the output shaft 3, thereby driving the output shaft 43 to rotate. When power failure or power failure occurs, the motor cannot operate, if the electric actuator needs to operate, the handle 2 is pushed, the shaft portion 21 pushes the second transmission gear 42 and the first transmission gear 41 to move axially, the spring 44 is compressed, the first transmission gear 41 is separated from the adapting gear 43, the second transmission gear 42 is meshed with the adapting gear 43, and therefore the second transmission gear 42 can rotate to drive the adapting gear 43 to rotate by rotating the handle. By providing the sealing body 22, the bearing 5 can be easily mounted, and when the shaft portion 21 moves, a better sealing property can be provided, and external dust can be prevented from entering the electric actuator. By the technical scheme, the electric actuator can be conveniently switched between the electric driving mode and the manual driving mode, and the electric actuator is convenient to use; meanwhile, when the motor is driven, the first transmission gear cannot drive the second transmission gear, so that the handle cannot rotate.
In this embodiment, the electric actuator includes a locking mechanism 6, the locking mechanism 6 includes an elastic member 61 and a ball 62, the elastic member 61 is disposed in the hole 7 in the electric actuator casing 8, the ball 62 is disposed at one end of the elastic member 61, the shaft 21 is provided with an annular groove 211, and the ball 62 is disposed corresponding to the annular groove 211. Through above-mentioned technical scheme, when pressing handle 2, when annular groove 211 moved to hole 7 position, elastic component 61 popped spheroid 62 to annular groove 211 in to it is spacing to axial of axial 21, and does not influence the axial rotation of axial. When the motor drive is to be restored, the handle 2 is pulled to be reset, the first transmission gear 41 is reset by the force of the spring 44, and the first transmission gear 41 is meshed with the coupling gear 43. In this embodiment, the elastic member is a spring.
In this embodiment, be equipped with joint portion 12 on motor shaft 11, first drive gear 41 is equipped with draw-in groove 411, and joint portion 12 card is established in draw-in groove 411 to make motor shaft 11 can be connected with first drive gear 41, simultaneously, make first drive gear can follow motor shaft axial motion.
In this embodiment, the second transmission gear 42 has a groove 421, the first transmission gear 41 has a protrusion 412, and the protrusion 412 is inserted into the groove 421, so that the first transmission gear 41 and the second transmission gear 42 can be assembled together and can rotate relatively.
In this embodiment, the shaft portion 21 and the second transmission gear 42 are integrally formed, so as to facilitate the processing and assembling.
In this embodiment, the shaft portion 21 has a receiving groove 212, the receiving groove 211 communicates with the recess 421, and the motor shaft 11 is inserted into the receiving groove 211 to limit the position of the motor shaft, and the motor shaft can rotate in the receiving groove 212.
In this embodiment, the output shaft 3 is disposed parallel to the motor shaft 11, so that the direction of the output shaft 3 is consistent with the motor shaft 11.
In this embodiment, the bore 7 is perpendicular to the shaft portion 21 so that a ball in the bore 7 may enter and exit the annular groove 211.
In this embodiment, the sealing body 22 includes a mounting portion 222, and the mounting portion 222 is clamped in the housing 8, so that the sealing body can be stably positioned.
The electric actuator can be conveniently switched between an electric driving mode and a manual driving mode, a transmission mechanism is simplified, and the overall quality and cost are effectively reduced; in addition, when the electric driving is carried out, the handle cannot rotate along with the electric driving, so that the safety is improved; when the motor is driven manually, the motor shaft cannot rotate, and the service life of the motor is prolonged.
It should be noted that the above-mentioned preferred embodiments are only for illustrating the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (9)
1. The utility model provides an electric actuator, includes the motor, the handle, output shaft and drive mechanism, the motor passes through drive mechanism and output shaft, and the handle is connected with drive mechanism, and its characterized in that, drive mechanism include first drive gear, and second drive gear connects and connects gear and spring, first drive gear and second drive gear are connected, and first drive gear overlaps to be established on the motor shaft of motor, connects gear and first drive gear or second drive gear meshing, and the spring housing is established on the motor shaft and one end is supported and is leaned on first drive gear, the handle includes axial region and seal, and the axial region passes the seal and is connected with second drive gear, and the seal includes annular convex part, and annular convex part both sides are equipped with the bearing, and the axial region passes annular convex part.
2. The electric actuator of claim 1, wherein the electric actuator comprises a locking mechanism, the locking mechanism comprising a resilient member and a ball, the resilient member being disposed in a hole in the housing of the electric actuator, the ball being disposed at one end of the resilient member, the shaft portion being provided with an annular groove, the ball being disposed in correspondence with the annular groove.
3. The electric actuator according to claim 2, wherein the motor shaft is provided with a locking portion, the first transmission gear is provided with a locking groove, and the locking portion is locked in the locking groove.
4. The electric actuator of claim 3, wherein the second drive gear has a recess and the first drive gear has a projection that is inserted into the recess.
5. The electric actuator of claim 4, wherein the shaft portion is a unitary structure with the second gear.
6. The electric actuator of claim 5, wherein the shaft portion has a receiving groove communicating with the groove, and the motor shaft is inserted into the receiving groove.
7. The electric actuator of claim 6, wherein the output shaft is disposed parallel to a motor shaft.
8. The electric actuator of claim 7, wherein the hole is perpendicular to the shaft portion.
9. The electric actuator of claim 8, wherein the sealing body includes a mounting portion that is captured in the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922013348.5U CN211117882U (en) | 2019-11-20 | 2019-11-20 | Electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922013348.5U CN211117882U (en) | 2019-11-20 | 2019-11-20 | Electric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211117882U true CN211117882U (en) | 2020-07-28 |
Family
ID=71717628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922013348.5U Active CN211117882U (en) | 2019-11-20 | 2019-11-20 | Electric actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211117882U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112202283A (en) * | 2020-10-13 | 2021-01-08 | 侯江伟 | Driving device for drilling fluid circulating rotation |
| CN115199802A (en) * | 2022-08-05 | 2022-10-18 | 龙岩正美科技有限公司 | An electric valve actuator |
-
2019
- 2019-11-20 CN CN201922013348.5U patent/CN211117882U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112202283A (en) * | 2020-10-13 | 2021-01-08 | 侯江伟 | Driving device for drilling fluid circulating rotation |
| CN112202283B (en) * | 2020-10-13 | 2021-12-21 | 中咨数据有限公司 | Driving device for drilling fluid circulating rotation |
| CN115199802A (en) * | 2022-08-05 | 2022-10-18 | 龙岩正美科技有限公司 | An electric valve actuator |
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