CN216692368U - Driving mechanism of electric actuator and electric actuator - Google Patents
Driving mechanism of electric actuator and electric actuator Download PDFInfo
- Publication number
- CN216692368U CN216692368U CN202123234862.5U CN202123234862U CN216692368U CN 216692368 U CN216692368 U CN 216692368U CN 202123234862 U CN202123234862 U CN 202123234862U CN 216692368 U CN216692368 U CN 216692368U
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- worm
- power output
- gear set
- mounting seat
- electric actuator
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- 238000009434 installation Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a driving mechanism of an electric actuator and the electric actuator, wherein the driving mechanism comprises a driving motor, a multistage gear set, a worm and gear assembly, a power output shaft and a mounting seat, a gear set mounting cavity is arranged on one side of the mounting seat, the multistage gear set is arranged in the gear set mounting cavity, an input gear of the multistage gear set is fixed on a motor shaft of the driving motor, the worm and gear assembly comprises a worm wheel and a worm which are meshed with each other, the worm is rotatably arranged on the mounting seat through a bearing, an output gear of the multistage gear set is fixed on the worm, the worm wheel is coaxially fixed on the power output shaft, the power output shaft is rotatably arranged on the mounting seat, one end of the power output shaft is provided with a power output connecting part, and one end of the worm is provided with a manual driving part. The driving mechanism and the electric actuator are novel and reasonable in structural design, are beneficial to assembly and production of products through optimized design, and have the advantages of guaranteed product quality, stable and reliable service performance and good practicability.
Description
Technical Field
The utility model relates to a driving mechanism of an electric actuator and the electric actuator, and belongs to the field of structural design of electric valve actuators.
Background
The electric actuator is also called an electric valve actuator, is an electric controller arranged on a valve for use, and can realize the remote opening and closing control of the valve through the electric actuator. The existing electric actuator generally comprises a shell, a control circuit board, a driving mechanism and a power output shaft, wherein the control circuit board, the driving mechanism and the power output shaft are arranged in the shell, the driving mechanism drives the power output shaft to rotate during operation, and further drives a driving shaft on a valve to rotate to realize opening and closing control of the valve when the power output shaft rotates, and the driving mechanism generally comprises an electric driving mechanism (comprising a driving motor and a reduction gear) and a manual driving mechanism so as to adapt to manual remote control and field operation. Above-mentioned current electric actuator is mostly manual assembly at equipment production, need pack into the casing respectively with electric drive mechanism, manually operation mechanism and power output shaft according to certain order during production to make and form the cooperation between the relevant part and connect, the problem that so structural design exists is: because the space in the shell is limited, the operation is very inconvenient during the assembly, the working efficiency is low, and the improvement of the production efficiency is not facilitated.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects pointed out in the background technology, the utility model aims to solve the technical problems that the existing electric actuator is inconvenient to assemble and operate and low in assembling efficiency, and further the production efficiency is influenced.
The technical scheme for realizing the purpose of the utility model is as follows:
the utility model provides a driving mechanism of an electric actuator, which comprises a driving motor, a multi-stage gear set, a worm and gear assembly, a power output shaft and a mounting seat, wherein the driving motor, the multi-stage gear set, the worm and gear assembly and the power output shaft are all arranged on the mounting seat; the gear set mounting structure is characterized in that a gear set mounting cavity is formed in one side of the mounting seat, the multistage gear set is mounted in the gear set mounting cavity, an input gear of the multistage gear set is fixed on a motor shaft of the driving motor, the worm gear and worm assembly comprises a worm gear and a worm which are meshed with each other, the worm is rotatably mounted on the mounting seat through a bearing, an output gear of the multistage gear set is fixed on the worm, the worm gear is coaxially fixed on the power output shaft, the power output shaft is rotatably mounted on the mounting seat, a power output connecting part is arranged at one end of the power output shaft, and a manual driving part is arranged at one end of the worm.
In the technical scheme, a side cover plate is fixed on one side of the mounting seat, the gear set mounting cavity is formed between the side cover plate and the mounting seat, one end of a mounting shaft of a transmission gear in the multistage gear set is connected with the mounting seat, and the other end of the mounting shaft is connected with the side cover plate.
In the above technical scheme, one end of the mounting shaft and the mounting seat or the side cover plate are integrally formed.
In the above technical scheme, a state indicating component is fixed at one end of the power output shaft, which is far away from the power output connecting part.
The utility model also provides an electric actuator which comprises a shell and a driving mechanism fixed in the shell, wherein the driving mechanism is adopted as the driving mechanism, a first through hole is formed in the position, opposite to the manual driving part, of the shell, and a second through hole is formed in the position, opposite to the power output connecting part, of the shell.
The utility model has the beneficial effects that: the structure of the driving mechanism is optimally designed, when the electric actuator is produced, the driving mechanism can be assembled into an assembly, and then the assembly is arranged in the shell of the electric actuator, so that the assembly operation is facilitated, the production of the electric actuator is more convenient, and the production efficiency is improved.
Drawings
In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. In the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic view of the driving mechanism of the present invention;
FIG. 2 is a schematic view of the drive mechanism of FIG. 1 from another perspective;
FIG. 3 is a schematic view of the drive mechanism of FIG. 1 with side cover plates removed;
FIG. 4 is an exploded view of the drive mechanism of FIG. 1;
FIG. 5 is a schematic view of one configuration of a power take-off shaft of the drive mechanism shown in FIG. 1;
FIG. 6 is a schematic structural view of an electric actuator according to the present invention;
FIG. 7 is a schematic view of the electric actuator of FIG. 6 viewed from another angle;
FIG. 8 is a schematic diagram of the electric actuator of FIG. 6 with portions broken away;
fig. 9 is a schematic structural diagram of a bottom case of the electric actuator shown in fig. 6.
The reference symbols shown in the figures are: 1-driving a motor; 2-a multi-stage gear set; 21-input gear; 22-output gear; 3-a power take-off shaft; 31-a power take-off connection; 4-mounting a base; 41-gear set installation cavity; 5-a worm gear; 6-worm; 61-manual drive; 7-side cover plate; 8, mounting a shaft; 9-status indication means; 10-a housing; 101-a bottom shell; 102-an upper shell; 11-a first perforation; 12-second perforation.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.
Example 1
A driving mechanism of an electric actuator, as shown in fig. 1 to 5, which includes a driving motor 1, a multi-stage gear set 2, a worm and gear assembly, a power output shaft 3 and a mounting seat 4, wherein the driving motor 1, the multi-stage gear set 2, the worm and gear assembly and the power output shaft 3 are all disposed on the mounting seat 4; the multi-stage gear set is characterized in that a gear set installation cavity 41 is formed in one side of the installation seat 4, the multi-stage gear set 2 is installed in the gear set installation cavity 41, an input gear 21 of the multi-stage gear set 2 is fixed on a motor shaft of the driving motor 1, the worm gear assembly comprises a worm wheel 5 and a worm 6 which are meshed with each other, the worm 6 is rotatably installed on the installation seat 4 through a bearing, an output gear 22 of the multi-stage gear set 2 is fixed on the worm 6, the worm wheel 5 is coaxially fixed on the power output shaft 3, the power output shaft 3 is rotatably installed on the installation seat 4, a power output connecting portion 31 is arranged at one end of the power output shaft 3, the power output connecting portion 31 is used for being directly or indirectly connected with a driving shaft in a valve, and a manual driving portion 61 is arranged at one end of the worm 6. By adopting the structure in the embodiment, when the electric actuator is produced, the driving mechanism can be assembled into an assembly, and then the assembly is arranged in the shell 10 of the electric actuator, so that the assembly operation is facilitated, the production of the electric actuator is more convenient, and the production efficiency is improved. When remote electric control is carried out, a motor shaft of a driving motor 1 rotates and then drives a worm 6 to rotate after speed reduction transmission is carried out through a multi-stage gear set 2, the worm 6 drives a worm wheel 5 and a power output shaft 3 coaxially fixed with the worm wheel to rotate, and then a driving shaft of an external valve is driven to rotate so as to realize electric opening and closing control on the valve; when on-site manual control is carried out, torque force is applied to the manual driving part 61 directly or by using a tool to enable the worm 6 to rotate, the worm 6 drives the worm wheel 5 and the power output shaft 3 coaxially fixed with the worm wheel to rotate, and then the driving shaft of the external valve is driven to rotate to realize manual opening and closing control of the valve.
In this embodiment, a side cover plate 7 is fixed on one side of the mounting seat 4, the gear set mounting cavity 41 is formed between the side cover plate 7 and the mounting seat 4, one end of a mounting shaft 8 of a transmission gear in the multistage gear set 2 is connected with the mounting seat 4, and the other end of the mounting shaft is connected with the side cover plate 7.
Furthermore, one end of the mounting shaft 8 is integrally formed with the mounting seat 4, and the other end is fixedly connected with the side cover plate 7; as a deformation, one end of the mounting shaft 8 is integrally formed with the side cover plate 7, and the other end is fixedly connected with the mounting seat 4; or, one end of the mounting shaft 8 is riveted with the mounting seat 4/the side cover plate 7, and the other end is riveted with the side cover plate 7/the mounting seat 4; in practice, the mounting shaft 8 may be fixedly mounted by other known structures.
As a preferred implementation scheme in this embodiment, a status indication component 9 is fixed at one end of the power output shaft 3 away from the power output connection portion 31, and the power output shaft 3 drives the status indication component 9 to rotate when rotating, so that when the power output shaft 3 rotates to a state where the control valve is opened and closed, status indication is performed through the status indication component 9, and a worker can know the current state of the valve conveniently.
Example 2
An electric actuator, as shown in fig. 6 to 9, includes a housing 10 and a driving mechanism fixed in the housing 10, the driving mechanism employs the driving mechanism described in embodiment 1, the mounting seat 4 can be fixed in the housing 10 by screws, a first through hole 11 is provided on the housing 10 at a position opposite to the manual driving portion 61, the manual driving portion 61 can be connected to an operating handle or a wrench tool for facilitating screwing operation of a worker, a second through hole 12 is provided on the housing 10 at a position opposite to the power output connecting portion 31, and the power output connecting portion 31 can extend from the second through hole 12 to connect an external connecting part, or the external connecting part penetrates from the second through hole 12 to connect with the power output connecting portion 31. The housing 10 in this embodiment is formed by connecting a bottom case 101 and an upper case 102.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (5)
1. The driving mechanism of the electric actuator is characterized by comprising a driving motor (1), a multi-stage gear set (2), a worm and gear assembly, a power output shaft (3) and a mounting seat (4), wherein the driving motor (1), the multi-stage gear set (2), the worm and gear assembly and the power output shaft (3) are all arranged on the mounting seat (4); a gear set installation cavity (41) is arranged on one side of the installation seat (4), the multi-stage gear set (2) is arranged in the gear set installation cavity (41), an input gear (21) of the multi-stage gear set (2) is fixed on a motor shaft of the driving motor (1), the worm and gear component comprises a worm wheel (5) and a worm (6) which are meshed with each other, the worm (6) is rotatably arranged on the mounting seat (4) through a bearing, an output gear (22) of the multi-stage gear set (2) is fixed on the worm (6), the worm wheel (5) is coaxially fixed on the power output shaft (3), the power output shaft (3) is rotatably arranged on the mounting seat (4), a power output connecting part (31) is arranged at one end of the power output shaft (3), and a manual driving part (61) is arranged at one end of the worm (6).
2. The driving mechanism of the electric actuator according to claim 1, wherein a side cover plate (7) is fixed on one side of the mounting seat (4), the gear set mounting cavity (41) is formed between the side cover plate (7) and the mounting seat (4), and one end of a mounting shaft (8) of a transmission gear in the multi-stage gear set (2) is connected with the mounting seat (4) and the other end is connected with the side cover plate (7).
3. The electric actuator driving mechanism according to claim 2, wherein one end of the mounting shaft (8) is integrally formed with the mounting seat (4) or the side cover plate (7).
4. The drive mechanism of an electric actuator according to claim 1, wherein a state indicating member (9) is fixed to an end of the power output shaft (3) remote from the power output connection portion (31).
5. An electric actuator comprising a housing (10) and a drive mechanism fixed in the housing (10), wherein the drive mechanism is the drive mechanism according to any one of claims 1 to 4, a first through hole (11) is provided in the housing (10) at a position opposite to the manual drive portion (61), and a second through hole (12) is provided at a position opposite to the power output connection portion (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123234862.5U CN216692368U (en) | 2021-12-20 | 2021-12-20 | Driving mechanism of electric actuator and electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123234862.5U CN216692368U (en) | 2021-12-20 | 2021-12-20 | Driving mechanism of electric actuator and electric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216692368U true CN216692368U (en) | 2022-06-07 |
Family
ID=81842232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123234862.5U Expired - Fee Related CN216692368U (en) | 2021-12-20 | 2021-12-20 | Driving mechanism of electric actuator and electric actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216692368U (en) |
-
2021
- 2021-12-20 CN CN202123234862.5U patent/CN216692368U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220607 |