CN216692363U - Multi-power switching device of electric actuator - Google Patents
Multi-power switching device of electric actuator Download PDFInfo
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- CN216692363U CN216692363U CN202123454257.9U CN202123454257U CN216692363U CN 216692363 U CN216692363 U CN 216692363U CN 202123454257 U CN202123454257 U CN 202123454257U CN 216692363 U CN216692363 U CN 216692363U
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Abstract
The utility model discloses a multi-power switching device of an electric actuator, which comprises a conversion shaft, a first switching unit and a second switching unit, wherein the first switching unit comprises a first planet ring and is fixed at one end of the conversion shaft; the first planetary gear is internally embedded in the first planetary ring; the first driving mechanism is meshed with the part of the first planetary gear, which penetrates out of the outer ring surface of the first planetary ring; the second driving mechanism is meshed with the part of the first planetary gear, which penetrates out of the inner ring surface of the first planetary ring; the second switching unit includes: the second planet ring is arranged at the other end of the conversion shaft; the output shaft is fixed in the center of the end face of the first planet ring; the second planet gear is embedded in the second planet ring; the third driving mechanism is meshed with the part of the second planet gear penetrating out of the outer ring surface of the second planet ring; the end part of the conversion shaft is provided with a conversion gear meshed with the second planet ring. The utility model realizes the automatic switching of multiple powers, does not need a clutch structure, is convenient and fast to operate, and improves the application range and the popularization rate of the electric driver.
Description
Technical Field
The utility model relates to the technical field of electric actuators, in particular to a multi-power switching device of an electric actuator.
Background
An electric actuator is a driving device capable of providing linear or rotary motion, and controls the opening and closing of a valve body by the up and down movement of an output shaft of the actuator.
In order to cope with the emergency, the conventional electric actuator is provided with a manual actuator and a reset actuator, and the valve body can be quickly opened or closed by manual control or automatic reset in case of emergency such as power failure or power source cut-off.
The existing electric actuator has the following problems during power switching:
1. the clutch is adopted to switch between manual operation and electric operation, the switching is not convenient and complex, and the additional clutch increases the product cost and is not beneficial to the popularization and the use of the electric actuator with a manual actuating mechanism;
2. only the manual driving mechanism and the electric driving mechanism are switched, and the power switching device cannot be suitable for power switching between various electric driving mechanisms and manual driving mechanisms, so that the application of the power switching device in a multi-power driving environment is influenced.
Therefore, it is necessary to develop a new power switching device for an electric actuator.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multi-power switching device of an electric actuator, which aims to solve the technical problems that the conventional electric actuator is not convenient and fast to switch between manual and electric modes due to the adoption of a clutch during power switching, the operation is complex, the product cost is increased, and the application of the electric actuator in a multi-power driving environment is influenced due to the fact that the manual driving mechanism and the electric driving mechanism are only switched.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a multi-power switching device of an electric actuator comprises a switching shaft, a first switching unit and a second switching unit, wherein the first switching unit and the second switching unit are respectively arranged at two ends of the switching shaft, and the first switching unit comprises:
the first planet ring is coaxially arranged with the conversion shaft and is fixed at one end of the conversion shaft;
the first planetary gear is arranged in the first planetary ring in an embedded mode along the axial direction and penetrates out of the outer ring surface and the inner ring surface of the first planetary ring;
the first driving mechanism is meshed with the part of the first planetary gear, which penetrates out of the outer ring surface of the first planetary ring;
the second driving mechanism is meshed with the part of the first planetary gear, which penetrates out of the inner ring surface of the first planetary ring;
the second switching unit includes:
the second planet ring is coaxially arranged with the conversion shaft, and the first planet ring is arranged at the other end of the conversion shaft;
the output shaft is axially fixed at the center of one end face of the first planet ring, which is far away from the conversion shaft, and is used for outputting an execution action;
the second planet gear is arranged in the second planet ring in an embedded mode along the axial direction and penetrates out of the outer ring surface and the inner ring surface of the second planet ring;
the third driving mechanism is meshed with the part of the second planet gear, which penetrates out of the outer ring surface of the second planet ring;
and the other end part of the conversion shaft is provided with a conversion gear which is meshed with the part of the second planet ring penetrating out of the inner ring surface of the second planet ring.
Compared with the prior art, the utility model has the beneficial effects that:
one end of a conversion shaft is fixed with a first planetary ring, the other end of the conversion shaft is meshed with a second planetary gear through a conversion gear, when a first driving mechanism works, the first planetary gear is driven to rotate, and the second driving mechanism is in a locking state, so that the rotation of the first planetary gear drives the rotation of the first planetary ring, the conversion shaft is driven to rotate, the second planetary gear is driven to rotate, and the rotation of the second planetary gear drives the rotation of the second planetary ring because a third driving mechanism is in a locking state, so that the driving action of the first driving mechanism is output through an output shaft; on the contrary, when the second driving mechanism works, the first driving mechanism and the third driving mechanism are both in a locking state and can also perform output action through the output shaft; when the third driving mechanism works, the conversion shaft is in a locking state, the second planetary ring can be driven to rotate through the rotation of the second planetary gear, and the driving action of the third driving mechanism is output; therefore, multi-power automatic switching is realized, a clutch structure is not needed, the operation is convenient, the cost is effectively reduced, and the application range and the popularization rate of the electric driver are improved.
On the basis of the technical scheme, the utility model can be further improved as follows:
furthermore, a circle of the first planetary gears is uniformly arranged in the first planetary ring at intervals, and a circle of the second planetary gears is uniformly arranged in the second planetary ring at intervals.
By adopting the scheme, the transmission is ensured to be accurate and stable.
Furthermore, the first driving mechanism comprises a first driving cylinder sleeved outside the first planetary ring, a first tooth surface meshed with the first planetary gear is arranged on an inner ring surface of the first driving cylinder, and the outer ring surface is used for receiving driving action of a power source to control the first driving cylinder to rotate.
Furthermore, the second driving mechanism comprises a driving shaft, the driving shaft is coaxially arranged with the switching shaft, one end of the driving shaft is inserted into the first planetary ring, the other end of the driving shaft is used for receiving the driving action of the power source to control the rotation of the driving shaft, and the insertion end of the driving shaft is provided with a driving gear meshed with the first planetary gear.
Furthermore, the third driving mechanism comprises a second driving cylinder sleeved outside the second planet ring, a second tooth surface meshed with the second planet gear is arranged on the inner ring surface of the second driving cylinder, and the outer ring surface is used for receiving the driving action of the power source to control the rotation of the second driving cylinder.
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. Throughout 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 structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic sectional view of the plane a-a in fig. 1.
Fig. 3 is a schematic sectional view of the plane B-B in fig. 1.
Fig. 4 is a schematic cross-sectional view of the plane C-C in fig. 1.
Fig. 5 is a schematic cross-sectional view of the plane D-D in fig. 1.
Shown in the figure:
1. a conversion shaft;
2. a first planet ring;
3. a first planetary gear;
4. a second planet ring;
5. an output shaft;
6. a second planetary gear;
7. a switching gear;
8. a first drive cylinder; 801. a first tooth surface;
9. a drive shaft;
10. a drive gear;
11. a second drive cylinder; 1101. a second tooth surface.
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.
In the description of the present application, it is to be understood that the terms "center," "upper," "lower," "inner," "outer," "axial," and the like are used in the orientations and positional relationships indicated in the drawings, which are used for convenience in describing the present invention and for simplifying the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 to 5, the present embodiment provides a multi-power switching device of an electric actuator, which includes a switching shaft 1 and a first switching unit and a second switching unit respectively disposed at two ends of the switching shaft 1.
The first switching unit comprises a first planet ring 2 which is coaxially arranged with the switching shaft 1, and the first planet ring 2 is fixed at one end of the switching shaft 1.
The first planetary gear 3 is embedded in the first planetary ring 2 and arranged along the axial direction, and the first planetary gear 3 penetrates through the outer ring surface and the inner ring surface of the first planetary ring 2.
The first planetary ring 2 is externally sleeved with a first driving mechanism, a second driving mechanism is inserted in the first planetary ring 2, the first driving mechanism is meshed with the part of the first planetary gear 3 penetrating out of the outer ring surface of the first planetary ring 2, and the second driving mechanism is meshed with the part of the first planetary gear 3 penetrating out of the inner ring surface of the first planetary ring 2.
Specifically, the first driving mechanism includes a first driving cylinder 8 sleeved outside the first planetary ring 2, a first tooth surface 801 engaged with the first planetary gear 3 is provided on an inner annular surface of the first driving cylinder 8, and the outer annular surface is used for receiving a driving action of a power source to control the rotation of the first driving cylinder 8.
The second driving mechanism comprises a driving shaft 9, the driving shaft 9 is coaxially arranged with the conversion shaft 1, one end of the driving shaft 9 is inserted into the first planetary ring 2, the other end of the driving shaft 9 is used for receiving the driving action of the power source to control the rotation of the driving shaft 9, and the insertion end of the driving shaft 9 is provided with a driving gear 10 meshed with the first planetary gear 3.
The second switching unit includes a second planet ring 4 coaxially disposed with the switching shaft 1, and the first planet ring 2 is disposed at the other end of the switching shaft 1.
An output shaft 5 is fixed at the center of one end face of the first planet ring 2, which is far away from the conversion shaft 1, and the output shaft 5 is used for outputting execution actions.
A second planet gear 6 arranged along the axial direction is embedded in the second planet ring 4, and the second planet gear penetrates through the outer annular surface and the inner annular surface of the second planet ring 4.
And a third driving mechanism is sleeved outside the second planet wheel and meshed with the part of the second planet gear 6 penetrating out of the outer ring surface of the second planet ring 4.
Specifically, the third driving mechanism includes a second driving cylinder 11 sleeved outside the second planet ring 4, a second tooth surface 1101 engaged with the second planet gear 6 is arranged on an inner annular surface of the second driving cylinder 11, and the outer annular surface is used for receiving a driving action of the power source to control the rotation of the second driving cylinder 11.
The other end of the switching shaft 1 is inserted into the second planet ring 4, and the end of the switching shaft 1 is provided with a switching gear 7 which is meshed with the part of the second planet ring 4 penetrating out of the inner ring surface of the second planet ring 4.
In this embodiment, one end of the conversion shaft 1 is fixed to the first planetary ring 2, and the other end is engaged with the second planetary gear 6 through the conversion gear 7, when the first driving mechanism works, the first driving cylinder 8 rotates, and at this time, the first planetary gear 3 is driven to rotate, because the second driving mechanism is in a locked state, the rotation of the first planetary gear 3 drives the first planetary ring 2 to rotate, so as to drive the conversion shaft 1 to rotate and drive the second planetary gear 6 to rotate, and because the third driving mechanism is in a locked state, the rotation of the second planetary gear 6 drives the second planetary ring 4 to rotate, so that the driving action of the first driving mechanism is output through the output shaft 5;
on the contrary, when the second driving mechanism works, the driving shaft 9 rotates to drive the first planetary gear 3 to rotate, because the first driving mechanism is in a locked state, the rotation of the first planetary gear 3 drives the first planetary ring 2 to rotate, so as to drive the conversion shaft 1 to rotate and drive the second planetary gear 6 to rotate, because the third driving mechanism is in a locked state, the rotation of the second planetary gear 6 drives the second planetary ring 4 to rotate, so as to output the driving action of the second driving mechanism through the output shaft 5.
When the third driving mechanism works, the second driving cylinder 11 rotates to drive the second planetary gear 6 to rotate, the conversion shaft 1 is in a locked state at the moment, and the second planetary ring 4 can be driven to rotate by the rotation of the second planetary gear 6 to output the driving action of the third driving mechanism.
The embodiment can realize automatic switching of multiple powers, does not need a clutch structure, is convenient to operate, effectively reduces the cost, and improves the application range and the popularization rate of the electric driver.
In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
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. A multi-power switching device of an electric actuator is characterized by comprising a switching shaft, a first switching unit and a second switching unit, wherein the first switching unit and the second switching unit are respectively arranged at two ends of the switching shaft, and the first switching unit comprises:
the first planet ring is coaxially arranged with the conversion shaft and is fixed at one end of the conversion shaft;
the first planetary gear is arranged in the first planetary ring in an embedded mode along the axial direction and penetrates out of the outer ring surface and the inner ring surface of the first planetary ring;
the first driving mechanism is meshed with the part of the first planetary gear, which penetrates out of the outer ring surface of the first planetary ring;
the second driving mechanism is meshed with the part of the first planetary gear, which penetrates out of the inner ring surface of the first planetary ring;
the second switching unit includes:
the second planet ring is coaxially arranged with the conversion shaft, and the first planet ring is arranged at the other end of the conversion shaft;
the output shaft is axially fixed at the center of one end face of the first planet ring, which is far away from the conversion shaft, and is used for outputting an execution action;
the second planet gear is arranged in the second planet ring in an embedded mode along the axial direction and penetrates out of the outer ring surface and the inner ring surface of the second planet ring;
the third driving mechanism is meshed with the part of the second planet gear penetrating out of the outer ring surface of the second planet ring;
and the end part of the other end of the conversion shaft is provided with a conversion gear which is meshed with the part of the second planet ring penetrating out of the inner ring surface of the second planet ring.
2. The multi-power switching device of claim 1, wherein a ring of the first planetary gears is evenly spaced within the first planetary ring and a ring of the second planetary gears is evenly spaced within the second planetary ring.
3. The multi-power switching device as claimed in claim 1, wherein the first driving mechanism comprises a first driving cylinder sleeved outside the first planetary ring, an inner annular surface of the first driving cylinder is provided with a first tooth surface engaged with the first planetary gear, and an outer annular surface is used for receiving the driving action of the power source to control the rotation of the first driving cylinder.
4. The multi-power switching device according to claim 1, wherein the second driving mechanism includes a driving shaft which is coaxially disposed with the switching shaft and has one end inserted into the first planetary ring and the other end for receiving a driving action of the power source to control the rotation of the driving shaft, and the inserted end of the driving shaft is provided with a driving gear which is engaged with the first planetary gear.
5. The multi-power switching device as claimed in claim 1, wherein the third driving mechanism comprises a second driving cylinder sleeved outside the second planetary ring, the inner annular surface of the second driving cylinder is provided with a second tooth surface engaged with the second planetary gear, and the outer annular surface is used for receiving the driving action of the power source to control the rotation of the second driving cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123454257.9U CN216692363U (en) | 2021-12-31 | 2021-12-31 | Multi-power switching device of electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123454257.9U CN216692363U (en) | 2021-12-31 | 2021-12-31 | Multi-power switching device of electric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216692363U true CN216692363U (en) | 2022-06-07 |
Family
ID=81824416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123454257.9U Active CN216692363U (en) | 2021-12-31 | 2021-12-31 | Multi-power switching device of electric actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216692363U (en) |
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2021
- 2021-12-31 CN CN202123454257.9U patent/CN216692363U/en active Active
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