CN219192325U - Belt type transmission driving unit mechanism for steering column - Google Patents
Belt type transmission driving unit mechanism for steering column Download PDFInfo
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- CN219192325U CN219192325U CN202320236776.8U CN202320236776U CN219192325U CN 219192325 U CN219192325 U CN 219192325U CN 202320236776 U CN202320236776 U CN 202320236776U CN 219192325 U CN219192325 U CN 219192325U
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- steering column
- unit mechanism
- driving
- gear
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Abstract
The utility model relates to the technical field of steering systems, in particular to a belt type transmission driving unit mechanism for a steering column. A belt drive unit mechanism for a steering column, characterized by: the outer edge of the gear is meshed with one end of the belt, the other end of the belt is meshed with the driving belt wheel, and the driving belt wheel is coaxially connected with a motor shaft of a motor in the electronic servo unit. Compared with the prior art, the belt type transmission driving unit mechanism for the steering column is provided, in the transmission process, the belt is flexibly matched with the transmission belt pulley and the gear, a reversing gap is not generated during axial reversing, the steering performance of automobile driving is improved, no impact noise of mechanical parts is generated, and meanwhile, the belt structure is in synchronous motion in the transmission process, so that no friction noise of mechanical parts is generated in the rotation transmission process.
Description
Technical Field
The utility model relates to the technical field of steering systems, in particular to a belt type transmission driving unit mechanism for a steering column.
Background
The existing motor-driven steering column is provided with a transmission mechanism, generally worm turbine transmission, and aims to play a role in reducing speed and increasing torque when the motor-driven steering column rotates, so that the steering column transmits larger steering power, the steering process is lighter, but the defect is that in the transmission process, the traditional worm turbine is matched with a fit clearance between parts, so that the steering smoothness is affected, and mechanical friction noise and mechanical collision noise during reversing can be generated in the motion process.
Disclosure of Invention
The utility model provides a belt type transmission driving unit mechanism for a steering column, which aims to overcome the defects in the prior art, wherein a belt, a transmission belt wheel and a gear are flexibly matched in the transmission process, a reversing gap is not generated in the axial reversing process, and the steering operability of an automobile is improved.
In order to achieve the above purpose, a belt type transmission driving unit mechanism for a steering column is designed, and the belt type transmission driving unit mechanism comprises a sensor unit mechanism and an electronic servo unit, wherein a lower portion of the sensor unit mechanism is connected with a gear in a shaft way, and a motor is arranged in the electronic servo unit, and is characterized in that: the outer edge of the gear is meshed with one end of the belt, the other end of the belt is meshed with the driving belt wheel, and the driving belt wheel is coaxially connected with a motor shaft of a motor in the electronic servo unit.
The belt is of an annular belt-shaped structure, and an inner ring of the belt is of a sawtooth-shaped structure.
The inner ring of the belt is respectively connected with the outer edge of the gear and the outer edge of the driving belt wheel in a meshed manner.
The sensor unit mechanism is connected with the servo shell through a plurality of sensor unit connecting bolts.
The bottom of the electronic servo unit is connected with the servo shell through a plurality of electronic servo unit connecting bolts.
The belt is positioned inside the servo housing.
Compared with the prior art, the belt type transmission driving unit mechanism for the steering column is provided, in the transmission process, the belt, the transmission belt wheel and the gear are flexibly matched, no reversing gap is generated in the axial reversing process, the steering operability of an automobile is improved, no impact noise of mechanical parts is generated, and meanwhile, in the transmission process, the belt structure moves synchronously with the transmission belt wheel and the gear, so that in the rotation transmission process, no friction noise of mechanical parts is generated.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is an exploded view of the structure of the present utility model.
Fig. 3 is a cross-sectional view of the structure of the present utility model.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, the lower shaft-connected gear 8 of the sensor unit mechanism 1 is provided with a motor inside the electronic servo unit 5, and is characterized in that: the outer edge of the gear 8 is meshed with one end of the belt 2, the other end of the belt 2 is meshed with the driving belt pulley 3, and the driving belt pulley 3 is coaxially connected with a motor shaft of a motor in the electronic servo unit 5.
The belt 2 has an annular belt-shaped structure, and an inner ring of the belt 2 has a zigzag structure.
The inner ring of the belt 2 is respectively connected with the outer edge of the gear 8 and the outer edge of the driving belt wheel 3 in a meshed manner.
The sensor unit arrangement 1 is connected to the servo housing 4 by means of a number of sensor unit connecting bolts 6.
The bottom of the electronic servo unit 5 is connected with the servo housing 4 through a plurality of electronic servo unit connecting bolts 7.
The belt 2 is located inside the servo housing 4.
As shown in fig. 2, the belt 2 acts on the drive pulley 3 of the motor and the gear 8 of the output shaft, respectively. The inner ring of the belt 2 is designed into a zigzag structure, and the outer ring of the driving belt wheel 3 on the motor and the outer ring of the gear 8 on the output shaft are also designed into zigzag, so that the inner ring of the belt 2 is respectively matched with the outer ring of the driving belt wheel 3 and the outer ring of the gear 8, the motor torque can be transmitted to the output shaft through the belt 2, and the sizes of the driving belt wheel 3 and the gear 8 in the belt driving mechanism can be changed, so that the purpose of changing the motor transmission torque is achieved.
The belt 2 is EPDM1+ PA66, the pulley 3 is DC04, and the gear 8 is SINT D10. The belt 2, the driving belt pulley 3 and the gear 8 are flexibly matched in the transmission process, a reversing gap is not generated in the axial reversing process, the steering performance of automobile driving is improved, no impact noise of mechanical parts exists, meanwhile, the belt 2, the driving belt pulley 3 and the gear 8 synchronously move in the transmission process, and therefore, in the rotation transmission process, no friction noise of the mechanical parts exists. The belt-type transmission drive unit mechanism can achieve torque transmission of the steering column motor, and improve the operability and silence of the automobile.
Claims (6)
1. The utility model provides a be used for steering column belt transmission drive unit mechanism, includes sensor unit mechanism, electronic servo unit, is located lower part coupling gear (8) of sensor unit mechanism (1), is located the inside of electronic servo unit (5) and is equipped with motor, its characterized in that: the outer edge of the gear (8) is meshed with one end of the belt (2), the other end of the belt (2) is meshed with the driving belt wheel (3), and the driving belt wheel (3) is coaxially connected with a motor shaft of a motor in the electronic servo unit (5).
2. A belt-driven drive unit mechanism for a steering column as set forth in claim 1, wherein: the belt (2) is of an annular belt-shaped structure, and an inner ring of the belt (2) is of a saw-tooth structure.
3. A belt-type transmission drive unit mechanism for a steering column according to claim 1 or 2, characterized in that: the inner ring of the belt (2) is respectively connected with the outer edge of the gear (8) and the outer edge of the driving belt wheel (3) in a meshed manner.
4. A belt-driven drive unit mechanism for a steering column as set forth in claim 1, wherein: the sensor unit mechanism (1) is connected with the servo housing (4) through a plurality of sensor unit connecting bolts (6).
5. A belt-driven drive unit mechanism for a steering column as set forth in claim 1, wherein: the bottom of the electronic servo unit (5) is connected with the servo shell (4) through a plurality of electronic servo unit connecting bolts (7).
6. A belt-type transmission drive unit mechanism for a steering column according to claim 1 or 2, characterized in that: the belt (2) is positioned in the servo housing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320236776.8U CN219192325U (en) | 2023-02-17 | 2023-02-17 | Belt type transmission driving unit mechanism for steering column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320236776.8U CN219192325U (en) | 2023-02-17 | 2023-02-17 | Belt type transmission driving unit mechanism for steering column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219192325U true CN219192325U (en) | 2023-06-16 |
Family
ID=86713155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320236776.8U Active CN219192325U (en) | 2023-02-17 | 2023-02-17 | Belt type transmission driving unit mechanism for steering column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219192325U (en) |
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2023
- 2023-02-17 CN CN202320236776.8U patent/CN219192325U/en active Active
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