CN214838754U - Improved electric actuator shell structure - Google Patents
Improved electric actuator shell structure Download PDFInfo
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- CN214838754U CN214838754U CN202121378130.0U CN202121378130U CN214838754U CN 214838754 U CN214838754 U CN 214838754U CN 202121378130 U CN202121378130 U CN 202121378130U CN 214838754 U CN214838754 U CN 214838754U
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- gear
- motor
- end cover
- cover
- gear bearing
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Abstract
The utility model relates to an improved generation electric actuator shell structure, including the main casing body, display device, drive side cap and wiring chamber lid, the main casing body is equipped with the gear reduction chamber with the side that corresponds of drive side cap, main casing body left side is equipped with the motor chamber, is equipped with the motor end cover between motor chamber and gear reduction chamber, motor end cover rear side is equipped with the location boss with motor chamber looks adaptation, motor end cover middle part is equipped with motor gear shaft hole, motor gear shaft hole rear side is equipped with motor gear bearing frame, motor end cover front side is equipped with one-level gear bearing frame, the main casing body is equipped with second grade gear bearing frame and tertiary gear bearing frame in gear reduction chamber side, the gear reduction intracavity is equipped with the gear cover, the gear cover passes through the bolt rigid coupling in the main casing body. The utility model discloses with the integration of one-level gear bearing seat to the motor end cover, can obviously reduce transmission noise, reduce by a wide margin because the poor torque loss who brings of positioning accuracy, the positioning boss can improve the assembly precision of motor end cover.
Description
Technical Field
The utility model relates to a valve control technical field especially relates to an improved generation electric actuator shell structure.
Background
The electric actuator is also called an electric actuator, and can accurately move the valve to any position. Although most actuators are used for opening and closing valves, today the design of actuators goes far beyond simple switching functions, including position sensing, torque sensing, electrode protection, logic control, digital communication and PID control, all of which are housed in a compact housing. The gear box is generally all located to current electric actuator's reduction gear bearing frame, need accomplish the equipment with reduction gear and gear box earlier during production, fixes the gear box to electric actuator's gear speed reduction chamber again, and this kind of design can cause transmission noise big because gear box location nature is poor, the easy loss scheduling problem of output torque.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide an improved generation electric actuator shell structure.
The utility model discloses a realize through following technical scheme:
an improved electric actuator shell structure comprises a main shell, a display device arranged on the upper side of the main shell, a driving side cover arranged on the front side of the main shell and a wiring cavity cover arranged on the right side of the main shell, wherein the display device, the driving side cover and the wiring cavity cover are all connected to the main shell through bolts, a gear reduction cavity is arranged on the side, corresponding to the driving side cover, of the main shell, a motor cavity is arranged on the left side of the main shell, a motor end cover is arranged between the motor cavity and the gear reduction cavity and fixedly connected to the main shell through bolts, a positioning boss matched with the motor cavity is arranged on the rear side of the motor end cover, a motor gear shaft hole is arranged in the middle of the motor end cover, a motor gear bearing seat is arranged on the rear side of the motor gear shaft hole, a primary gear bearing seat is arranged on the front side of the motor end cover, a secondary gear bearing seat and a tertiary gear bearing seat are arranged on the side of the gear reduction cavity of the main shell, the gear speed reduction intracavity is equipped with the gear cover with one-level gear bearing frame, second grade gear bearing frame and tertiary gear bearing frame looks adaptation, the gear cover passes through bolt rigid coupling in main casing body.
Preferably, two primary gear bearing seats are symmetrically arranged on the front side of the motor end cover.
Preferably, the two primary gear bearing blocks arranged on the front side of the motor end cover have the same size specification.
Preferably, the two primary gear bearing blocks arranged on the front side of the motor end cover have different size specifications.
The utility model has the advantages that:
the utility model integrates the first-stage gear bearing seat to the motor end cover, which can obviously reduce the transmission noise, greatly reduce the torque loss caused by the poor positioning precision, the positioning boss can improve the assembly precision of the motor end cover, two first-stage gear bearing seats can respectively work independently, when the two first-stage gear bearing seats have the same size specification, one first-stage gear bearing seat can be used as a spare, and the later maintenance cost is reduced; when the two have different dimensions, but the different reduction gears of adaptation drive ratio reduce a set of motor end cover mould, have reduced mould development cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of a front side structure of a motor end cover.
Fig. 3 is a rear side structure schematic diagram of a motor end cover.
In the figure: 1. the motor gear bearing comprises a driving side cover, 2 a gear cover, 3 a motor end cover, 4 a main shell, 5 a display device, 6 a turbine positioning plate, 7 a turbine worm speed reduction cavity, 8 a wiring cavity, 9 a wiring cavity cover, 10 a gear speed reduction cavity, 11 a three-stage gear bearing seat, 12 a two-stage gear bearing seat, 13 a motor cavity, 14 a one-stage gear bearing seat, 15 a motor gear shaft hole, 16 a motor gear bearing seat and 17 a positioning boss.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in the figure, the utility model comprises a main shell 4, a display device 5 arranged on the upper side of the main shell, a driving side cover 1 arranged on the front side of the main shell and a wiring cavity cover 9 arranged on the right side of the main shell, wherein the display device, the driving side cover and the wiring cavity cover are all bolted on the main shell, a worm gear speed reducing cavity 7 is arranged on the side of the main shell corresponding to the display device, a turbine positioning plate 6 is arranged above the worm gear speed reducing cavity, a wiring cavity 8 is arranged on the side of the main shell corresponding to the wiring cavity cover, a gear speed reducing cavity 10 is arranged on the side of the main shell corresponding to the driving side cover, a motor cavity 13 is arranged on the left side of the main shell for mounting a motor, a motor end cover 3 is arranged between the motor cavity and the gear speed reducing cavity, a positioning boss 17 matched with the motor cavity is arranged on the rear side of the motor end cover, the positioning accuracy of the motor end cover can be improved, a motor gear shaft hole 15 is arranged in the middle part of the motor end cover, be used for cross-under motor gear shaft, the terminal rigid coupling of motor gear shaft has motor gear, motor gear shaft hole rear side is equipped with motor gear bearing frame 16, motor end cover front side is equipped with one-level gear bearing frame 14 for install one-level reduction gear, with high-speed moving one-level reduction gear integrated to the motor end cover, can obviously reduce transmission noise, reduce the torque loss because the positioning accuracy is poor to bring by a wide margin, the main casing body is equipped with second grade gear bearing frame 12 and tertiary gear bearing frame 11 in gear reduction chamber side, is used for installing second grade reduction gear and tertiary reduction gear respectively, be equipped with in the gear reduction chamber with one-level gear bearing frame, second grade gear bearing frame and the gear cover 2 of tertiary gear bearing frame looks adaptation, the gear cover passes through bolt rigid coupling in the main casing body.
Two first-stage gear bearing seats are symmetrically arranged on the front side of the motor end cover, the distance between the two first-stage gear bearing seats is far, and when one first-stage gear bearing seat works normally, the influence of the other first-stage gear bearing seat is avoided.
The working personnel can select whether the two primary gear bearing blocks of the same motor end cover have the same size specification or not according to the requirement, and when the two primary gear bearing blocks arranged on the front side of the motor end cover have the same size specification, one of the primary gear bearing blocks can be used as a spare, so that the later maintenance cost is reduced; when two first-level gear bearing seats arranged on the front side of the motor end cover have different size specifications, the speed reducing mechanism can be adapted to speed reducing mechanisms with different transmission ratios, a set of motor end cover die is reduced, and die development cost is reduced.
The utility model integrates the first-stage gear bearing seat to the motor end cover, which can obviously reduce the transmission noise, greatly reduce the torque loss caused by the poor positioning precision, the positioning boss can improve the assembly precision of the motor end cover, two first-stage gear bearing seats can respectively work independently, when the two first-stage gear bearing seats have the same size specification, one first-stage gear bearing seat can be used as a spare, and the later maintenance cost is reduced; when the two have different dimensions, but the different reduction gears of adaptation drive ratio reduce a set of motor end cover mould, have reduced mould development cost.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. An improved electric actuator shell structure is characterized by comprising a main shell body, a display device arranged on the upper side of the main shell body, a driving side cover arranged on the front side of the main shell body and a wiring cavity cover arranged on the right side of the main shell body, wherein the display device, the driving side cover and the wiring cavity cover are all connected to the main shell body through bolts, a gear reduction cavity is arranged on the side, corresponding to the driving side cover, of the main shell body, a motor cavity is arranged on the left side of the main shell body, a motor end cover is arranged between the motor cavity and the gear reduction cavity and fixedly connected to the main shell body through bolts, a positioning boss matched with the motor cavity is arranged on the rear side of the motor end cover, a motor gear shaft hole is arranged in the middle of the motor end cover, a motor gear bearing seat is arranged on the rear side of the motor gear shaft hole, a primary gear bearing seat is arranged on the front side of the motor end cover, a secondary gear bearing seat and a tertiary gear bearing seat are arranged on the side of the gear reduction cavity of the main shell body, the gear speed reduction intracavity is equipped with the gear cover with one-level gear bearing frame, second grade gear bearing frame and tertiary gear bearing frame looks adaptation, the gear cover passes through bolt rigid coupling in main casing body.
2. The improved electric actuator shell structure according to claim 1, wherein two primary gear bearing seats are symmetrically arranged on the front side of the motor end cover.
3. An improved electric actuator housing structure as claimed in claim 2, wherein the two primary gear bearing blocks arranged on the front side of the motor end cover have the same dimensional specifications.
4. An improved electric actuator housing structure as claimed in claim 2, wherein the two primary gear bearing blocks arranged on the front side of the motor end cover have different dimensions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121378130.0U CN214838754U (en) | 2021-06-21 | 2021-06-21 | Improved electric actuator shell structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121378130.0U CN214838754U (en) | 2021-06-21 | 2021-06-21 | Improved electric actuator shell structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214838754U true CN214838754U (en) | 2021-11-23 |
Family
ID=78808625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121378130.0U Active CN214838754U (en) | 2021-06-21 | 2021-06-21 | Improved electric actuator shell structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214838754U (en) |
-
2021
- 2021-06-21 CN CN202121378130.0U patent/CN214838754U/en active Active
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