CN215370830U - Gear assembly and actuator with same - Google Patents
Gear assembly and actuator with same Download PDFInfo
- Publication number
- CN215370830U CN215370830U CN202121395657.4U CN202121395657U CN215370830U CN 215370830 U CN215370830 U CN 215370830U CN 202121395657 U CN202121395657 U CN 202121395657U CN 215370830 U CN215370830 U CN 215370830U
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- gear
- bevel gear
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Abstract
The utility model discloses a gear assembly and an actuator with the same. The gear assembly is provided with a screw rod, the top end of the screw rod is a D-shaped shaft, a bevel gear and a straight gear which are vertically distributed are fixedly arranged on the D-shaped shaft, and the bevel gear and the straight gear are of an integral structure. The actuator with the gear assembly is provided with a motor assembly, a telescopic assembly and a steering assembly, wherein the output end of the motor assembly is connected with a reduction gear, the telescopic assembly comprises a screw rod, the top end of the screw rod is a D-shaped shaft, a straight gear is fixed on the D-shaped shaft, and the reduction gear is in meshed connection with the straight gear; the steering assembly comprises a steering bevel gear, and a steering shaft is fixed on the steering bevel gear; the D-shaped shaft is fixedly provided with a bevel gear meshed with the steering bevel gear, the bevel gear is positioned above the straight gear, the bevel gear and the straight gear are of an integral structure, and the bevel gear and the straight gear form the gear assembly. The utility model has simple structure, and the bevel gear and the straight gear are of an integral structure, thereby greatly reducing the design strength of the D-shaped shaft.
Description
Technical Field
The utility model relates to the technical field of actuators, in particular to a gear assembly and an actuator with the same.
Background
The actuator is a transmission device for directly converting electric energy into mechanical energy, realizes transmission by driving a screw rod to rotate through a motor assembly, is widely applied to industries such as electric power, machinery, metallurgy, transportation, construction and the like, and has the characteristics of reliable performance, sensitive action, stable operation, same push-pull force, good environmental adaptability and the like.
The structure of the existing actuator is shown in fig. 1, a straight gear 2 'is used as a driving gear to transmit torque force to a screw rod for driving a telescopic main push rod, a D-shaped shaft at the head of the screw rod drives a bevel gear 1' to be transmitted to a steering auxiliary push rod, and the straight gear 2 'and the bevel gear 1' are of a split structure. Because the lower part of the D-shaped shaft of the screw rod needs to transmit the torsion to the main push rod, and the upper part needs to transmit the torsion to the bevel gear, the strength of the D-shaped shaft needs to be very high, so that the part needs high-strength materials or the part adopts a large diameter to meet the use requirement.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the shortcomings of the prior art are overcome, and a gear assembly and an actuator having the same are provided.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a gear assembly is provided with a screw rod, wherein the top end of the screw rod is a D-shaped shaft, a bevel gear and a straight gear which are vertically distributed are fixedly arranged on the D-shaped shaft, and the bevel gear and the straight gear are of an integral structure.
Furthermore, the bevel gear and the straight gear are correspondingly provided with pin holes, and two ends of a pin are respectively inserted into the pin holes of the bevel gear and the straight gear to connect the bevel gear and the straight gear into a whole.
Further, the bevel gear and the straight gear are of an integrally formed structure.
An actuator with the gear assembly is provided with a motor assembly, a telescopic assembly and a steering assembly, wherein the output end of the motor assembly is connected with a reduction gear, the telescopic assembly comprises a screw rod, the top end of the screw rod is a D-shaped shaft, a straight gear is fixed on the D-shaped shaft, and the reduction gear is in meshed connection with the straight gear; the steering assembly comprises a steering bevel gear, and a steering shaft is fixed on the steering bevel gear; the D-shaped shaft is fixedly provided with a bevel gear meshed with the steering bevel gear, the bevel gear is positioned above the straight gear, the bevel gear and the straight gear are of an integral structure, and the bevel gear and the straight gear form the gear assembly.
Furthermore, the actuator also comprises a mounting seat, and the output end of the motor assembly, the reduction gear, the bevel gear, the straight gear and the steering bevel gear are all arranged in the mounting seat; one end of the mounting seat is connected with the telescopic assembly, and the other end of the mounting seat is connected with the joint bearing assembly.
The utility model has the beneficial effects that: the utility model has simple structure and the following advantages:
(1) the design is reasonable, the operation is simple and convenient, the bevel gear and the straight gear are fixed into a whole through the pin, after the straight gear obtains the torque and the rotating speed transmitted by the motor assembly, one part of the torque and the rotating speed is transmitted to the lower part of the screw rod, and the other part of the torque and the rotating speed is transmitted to the bevel gear through the pin, so that the design strength of the D-shaped shaft can be greatly reduced;
(2) the bevel gear and the straight gear are of an integrally formed structure, and the design strength of the D-shaped shaft can be greatly reduced after the bevel gear and the straight gear simultaneously obtain the torque and the rotating speed transmitted by the motor assembly.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of a prior art configuration;
FIG. 2 is a schematic view of a structure of a push rod in embodiment 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a schematic structural view of the gear assembly in embodiment 2.
In the figure: 1. the bevel gear comprises a bevel gear body, a spur gear body, a pin 3, a screw rod 4, a motor assembly 5, a mounting seat 6, a joint bearing assembly 7, a steering bevel gear body 8, a prior art bevel gear body 1 'and a prior art spur gear body 2'.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Example 1
The gear assembly shown in fig. 2-3 comprises a screw rod 4, wherein the top end of the screw rod 4 is a D-shaped shaft, a bevel gear 1 and a straight gear 2 which are vertically distributed are fixedly installed on the D-shaped shaft, and the bevel gear 1 and the straight gear 2 are of an integral structure.
The bevel gear 1 and the straight gear 2 are correspondingly provided with pin holes, and the two ends of the pin 3 are respectively inserted into the pin holes of the bevel gear 1 and the straight gear 2 to connect the bevel gear 1 and the straight gear 2 into a whole.
An actuator with the gear assembly is provided with a motor assembly 5, a telescopic assembly and a steering assembly, wherein the output end of the motor assembly 5 is connected with a reduction gear, the telescopic assembly comprises a screw rod 4, the top end of the screw rod 4 is a D-shaped shaft, a straight gear 2 is fixed on the D-shaped shaft, and the reduction gear is in meshed connection with the straight gear 2; the steering assembly comprises a steering bevel gear 8, and a steering shaft is fixed on the steering bevel gear 8; the D-shaped shaft is fixedly provided with a bevel gear 1 meshed with a steering bevel gear 8, the bevel gear 1 is positioned above a straight gear 2, the bevel gear 1 and the straight gear 2 are of an integral structure, and the bevel gear 1 and the straight gear 2 form the gear assembly.
The actuator also comprises a mounting seat 6, and the output end of the motor component 1, the reduction gear, the bevel gear 1, the straight gear 2 and the steering bevel gear 8 are all arranged in the mounting seat 6; one end of the mounting seat 6 is connected with the telescopic assembly, and the other end of the mounting seat 6 is connected with the joint bearing assembly 7. The mounting seat 6 can protect the output end of the motor component 1, the reduction gear, the bevel gear 1, the straight gear 2 and the steering bevel gear 8, and meanwhile, the mounting seat 6 also has dustproof performance.
Firstly, the straight gear 2 is sleeved into the D-shaped shaft, the pin hole of the straight gear 2 is inserted into the pin 3, then the pin hole on the bevel gear 1 is aligned with the pin 3, and finally the top end of the D-shaped shaft is in threaded connection with a fastening nut which locks the bevel gear 1, the straight gear 2 and the D-shaped shaft.
In the embodiment, the bevel gear 1 and the straight gear 2 are fixed into a whole through the pin 3, after the straight gear 2 obtains the torque and the rotating speed transmitted by the motor component 5, one part of the torque and the rotating speed is transmitted to the lower part of the screw rod 4, and the other part of the torque and the rotating speed is transmitted to the bevel gear 1 through the pin 3, so that the design strength of the D-shaped shaft can be greatly reduced.
Example 2
As shown in fig. 4, the bevel gear 1 and the spur gear 2 are integrally formed, unlike embodiment 1.
The bevel gear 1 and the straight gear 2 which are integrally formed are sleeved into the D-shaped shaft, the top end of the D-shaped shaft is in threaded connection with a fastening nut, and the bevel gear 1, the straight gear 2 and the D-shaped shaft are locked by the fastening nut.
In the embodiment, the bevel gear 1 and the straight gear 2 are of an integrally formed structure, and after the bevel gear 1 and the straight gear 2 simultaneously obtain the torque and the rotating speed transmitted by the motor component 5, the design strength of the D-shaped shaft can be greatly reduced.
While particular embodiments of the present invention have been described in the foregoing specification, the present invention is not limited to the specific embodiments, and modifications and variations of the foregoing detailed description can be made by those skilled in the art without departing from the spirit and scope of the utility model.
Claims (5)
1. A gear assembly, characterized by: the gear transmission mechanism is provided with a screw rod (4), the top end of the screw rod (4) is a D-shaped shaft, a bevel gear (1) and a straight gear (2) which are vertically distributed are fixedly arranged on the D-shaped shaft, and the bevel gear (1) and the straight gear (2) are of an integral structure.
2. The gear assembly of claim 1, wherein: the bevel gear (1) and the straight gear (2) are correspondingly provided with pin holes, and the two ends of the pin (3) are respectively inserted into the pin holes of the bevel gear (1) and the straight gear (2) to connect the bevel gear (1) and the straight gear (2) into a whole.
3. The gear assembly of claim 1, wherein: the bevel gear (1) and the straight gear (2) are of an integrally formed structure.
4. An actuator with the gear assembly according to any one of claims 1 to 3, which comprises a motor assembly (5), a telescopic assembly and a steering assembly, wherein the output end of the motor assembly (5) is connected with a reduction gear, the telescopic assembly comprises a screw rod (4), the top end of the screw rod (4) is a D-shaped shaft, a straight gear (2) is fixed on the D-shaped shaft, and the reduction gear is in meshed connection with the straight gear (2); the steering assembly comprises a steering bevel gear (8), and a steering shaft is fixed on the steering bevel gear (8); d type epaxial be fixed with bevel gear (1) that turns to bevel gear (8) meshing, bevel gear (1) are located straight-teeth gear (2) top, its characterized in that: the bevel gear (1) and the straight gear (2) are of an integral structure, and the bevel gear (1) and the straight gear (2) form the gear assembly according to any one of claims 1 to 3.
5. The actuator of claim 4, wherein: the actuator also comprises a mounting seat (6), and the output end of the motor component (5), the reduction gear, the bevel gear (1), the straight gear (2) and the steering bevel gear (8) are all arranged in the mounting seat (6); one end of the mounting seat (6) is connected with the telescopic assembly, and the other end of the mounting seat (6) is connected with the joint bearing assembly (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121395657.4U CN215370830U (en) | 2021-06-22 | 2021-06-22 | Gear assembly and actuator with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121395657.4U CN215370830U (en) | 2021-06-22 | 2021-06-22 | Gear assembly and actuator with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215370830U true CN215370830U (en) | 2021-12-31 |
Family
ID=79604447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121395657.4U Active CN215370830U (en) | 2021-06-22 | 2021-06-22 | Gear assembly and actuator with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215370830U (en) |
-
2021
- 2021-06-22 CN CN202121395657.4U patent/CN215370830U/en active Active
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