CN219382585U - Electric control machine head structure for electro-hydraulic steering of automobile - Google Patents
Electric control machine head structure for electro-hydraulic steering of automobile Download PDFInfo
- Publication number
- CN219382585U CN219382585U CN202223540819.6U CN202223540819U CN219382585U CN 219382585 U CN219382585 U CN 219382585U CN 202223540819 U CN202223540819 U CN 202223540819U CN 219382585 U CN219382585 U CN 219382585U
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- electric control
- shaft body
- steering
- head structure
- shell
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- 238000010586 diagram Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of vehicles, in particular to an electric control machine head structure for electro-hydraulic steering of an automobile, which comprises a shell, wherein an input shaft body for connecting an external steering wheel is arranged in the shell; a torsion bar connected with the input shaft body; the angle sensor is arranged corresponding to the torsion bar; the electric control device is connected with the angle sensor and receives a steering signal of the angle sensor; the brushless motor is connected with the electric control device and receives a driving signal output by the electric control device; the worm is connected with an output shaft of the brushless motor; the external spline of the worm wheel is connected with the worm in a meshed manner; the utility model is assembled through the integrated shell, adopts reasonable space layout distribution, and effectively adapts to the limited space of the original vehicle mounting steering device.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to an electric control machine head structure.
Background
The middle truck and the heavy truck are required to provide lane keeping auxiliary driving (LKA), adaptive auxiliary cruising (ACC) and other auxiliary driving systems, but the original vehicle is provided with a limited space for a steering device, the steering device of the vehicle in the prior art is complex to connect, the shell is large in size, and the conventional mechanical connection steering cannot adapt to the spatial arrangement of the vehicle.
Disclosure of Invention
The utility model aims at solving the technical problems by an electric control machine head structure for electro-hydraulic steering of an automobile;
an electric control nose structure for automobile electrohydraulic steering comprises a shell, wherein the shell is internally provided with a plurality of electric control switches,
an input shaft body for connecting an external steering wheel;
a torsion bar connected with the input shaft body;
the angle sensor is arranged corresponding to the torsion bar;
the electric control device is connected with the angle sensor and receives a steering signal of the angle sensor;
the brushless motor is connected with the electric control device and receives a driving signal output by the electric control device;
a worm connected with an output shaft of the brushless motor;
the external spline of the worm wheel is connected with the worm in a meshed manner;
the output shaft body is used for being connected with an external steering gear and is arranged on the inner side wall of the worm wheel.
Preferably, the inner side of the input shaft body is provided with an internal spline which is matched with the external steering wheel.
Preferably, the lower end of the inner side of the output shaft body is provided with an internal spline matched with the external steering gear.
Preferably, a first bearing is sleeved on the outer side of the input shaft body, and the input shaft body is arranged in the shell through the first bearing.
Preferably, a second bearing is sleeved on the outer side of the output shaft body, and the output shaft body is arranged in the shell through the second bearing.
Preferably, the inner side wall of the worm wheel is clamped at the upper end of the output shaft body.
Preferably, the input shaft body, the torsion bar and the output shaft body have the same axis.
Preferably, an oil seal assembly is arranged at the joint of the shell and the input shaft body.
The utility model has the beneficial effects that: by adopting the technical scheme, the steering device is assembled through the integrated shell, and reasonable space layout distribution is adopted, so that the steering device effectively adapts to the limited space of the original vehicle mounting steering device.
Drawings
FIG. 1 is a cross-sectional view of an electrically controlled handpiece construction in accordance with an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the installation positions of an electric control device and a brushless motor according to an embodiment of the utility model;
fig. 3 is a schematic structural diagram of an electric control machine head structure in an embodiment of the utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
An electric control machine head structure for automobile electrohydraulic steering, as shown in figures 1 to 3, comprises a shell 6, wherein the shell 6 is internally provided with,
an input shaft body 1 for connecting an external steering wheel;
a torsion bar 12 connected to the input shaft 1;
an angle sensor 2 provided in correspondence with the torsion bar 12;
the electric control device 8 is connected with the angle sensor 2 and receives a steering signal of the angle sensor 2;
the brushless motor 7 is connected with the electric control device 8 and receives a driving signal output by the electric control device 8;
a worm 4 connected to an output shaft of the brushless motor 7;
the worm wheel 3, the external spline of the worm wheel 3 is engaged with the worm 4;
an output shaft 5 for connecting an external steering gear, the output shaft 5 being provided on the inner side wall of the worm wheel 3.
Specifically, the integrated shell 6 is adopted to assemble the worm wheel and the worm once, the input shaft body 1, the output shaft body 5, the bearing, the angle sensor 2 and other parts are assembled, the total assembly quality of the electric control machine head structure and the total assembly stability of products can be effectively ensured, the sensor shell 6 is combined, the complexity of the shell 6 is simplified, and the volume of the shell 6 is reduced;
in the use process of the utility model, the torsion bar 12 is driven to rotate by rotating the steering wheel, the rotation angle, torque and other parameters of the torsion bar 12 are detected by the angle sensor 2, and a steering signal is output to the electric control device 8, further, a preset steering program is arranged in the electric control device 8, the electric control device 8 controls the rotation angle and the rotation speed of the brushless motor 7 based on the steering signal, the worm 4 and the worm wheel 3 are driven to rotate by driving the brushless motor 7, and the worm wheel 3 is clamped on the output shaft 5, so that the output shaft 5 is driven to rotate.
Preferably, the electric control device 8 can realize the functions of controlling the automobile to realize the speed-following steering and the active steering; a road hold steering (LKA) function, an emergency safety steering function;
in a preferred embodiment, the inner side of the input shaft body 1 is provided with internal splines adapted to an external steering wheel, which steering wheel is connected to the input shaft body 1 by being inserted into the internal splines of the input shaft body 1.
In a preferred embodiment, the lower end of the inner side of the output shaft 5 is provided with internal splines adapted to the external diverter.
In a preferred embodiment, a first bearing 9 is sleeved on the outer side of the input shaft body 1, and the input shaft body 1 is arranged in the shell 6 through the first bearing 9; specifically, the input shaft body 1 is arranged in the shell 6 through the first bearing 9, so that the rotation function of the input shaft body 1 is realized;
in a preferred embodiment, the outer side of the output shaft body 5 is sleeved with a second bearing 10, and the output shaft body 5 is arranged in the shell 6 through the second bearing 10; specifically, the output shaft body 5 is arranged in the shell 6 through the second bearing 10, so that the rotation function of the output shaft body 5 is realized;
in a preferred embodiment, the inner side wall of the worm wheel 3 is arranged to clamp the upper end of the output shaft 5; specifically, the worm wheel 3 is disposed so as to clamp the output shaft 5, thereby driving the output shaft 5 to rotate.
In a preferred embodiment, the input shaft 1, torsion bar 12 and output shaft 5 have the same axis.
In a preferred embodiment, an oil seal assembly 11 is arranged at the joint of the shell 6 and the input shaft body 1, so as to play a role in protection; specifically, the utility model adopts the assembly of the integrated shell 6, reduces the external sealing points, and effectively ensures the IP67 protection level.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (8)
1. An electric control machine head structure for automobile electrohydraulic steering is characterized by comprising a shell, wherein the shell is internally provided with a plurality of electric control machine heads,
an input shaft body for connecting an external steering wheel;
a torsion bar connected with the input shaft body;
the angle sensor is arranged corresponding to the torsion bar;
the electric control device is connected with the angle sensor and receives a steering signal of the angle sensor;
the brushless motor is connected with the electric control device and receives a driving signal output by the electric control device;
a worm connected with an output shaft of the brushless motor;
the external spline of the worm wheel is connected with the worm in a meshed manner;
the output shaft body is used for being connected with an external steering gear and is arranged on the inner side wall of the worm wheel.
2. The electric control machine head structure for the electro-hydraulic steering of the automobile according to claim 1, wherein the inner side of the input shaft body is provided with an inner spline which is matched with the outer steering wheel.
3. The electric control machine head structure for the electro-hydraulic steering of the automobile according to claim 1, wherein the lower end of the inner side of the output shaft body is provided with an internal spline which is matched with an external steering gear.
4. The electric control machine head structure for the electro-hydraulic steering of the automobile according to claim 1, wherein a first bearing is sleeved on the outer side of the input shaft body, and the input shaft body is arranged in the shell through the first bearing.
5. The electric control machine head structure for the electro-hydraulic steering of the automobile according to claim 1, wherein a second bearing is sleeved on the outer side of the output shaft body, and the output shaft body is arranged in the shell through the second bearing.
6. The electric control head structure for electro-hydraulic steering of an automobile according to claim 1, wherein an inner side wall of the worm wheel is arranged to clamp an upper end of the output shaft body.
7. The electric control head structure for electro-hydraulic steering of an automobile according to claim 1, wherein the input shaft body, the torsion bar and the output shaft body have the same axis.
8. The electric control head structure for the electro-hydraulic steering of the automobile according to claim 1, wherein an oil seal assembly is arranged at the joint of the shell and the input shaft body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223540819.6U CN219382585U (en) | 2022-12-29 | 2022-12-29 | Electric control machine head structure for electro-hydraulic steering of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223540819.6U CN219382585U (en) | 2022-12-29 | 2022-12-29 | Electric control machine head structure for electro-hydraulic steering of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219382585U true CN219382585U (en) | 2023-07-21 |
Family
ID=87198173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223540819.6U Active CN219382585U (en) | 2022-12-29 | 2022-12-29 | Electric control machine head structure for electro-hydraulic steering of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219382585U (en) |
-
2022
- 2022-12-29 CN CN202223540819.6U patent/CN219382585U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 1 Junlian Road, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province, 311835 Patentee after: Zhejiang Wan'an Zhiqu Automotive Electronic Technology Co.,Ltd. Country or region after: China Address before: 311835 Wan'an Science and Technology Park, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG VIE PUMP-MANU Co.,Ltd. Country or region before: China |