CN221023832U - Power-assisted steering device of new energy vehicle - Google Patents
Power-assisted steering device of new energy vehicle Download PDFInfo
- Publication number
- CN221023832U CN221023832U CN202323163583.3U CN202323163583U CN221023832U CN 221023832 U CN221023832 U CN 221023832U CN 202323163583 U CN202323163583 U CN 202323163583U CN 221023832 U CN221023832 U CN 221023832U
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- shaft
- bevel gear
- fixedly connected
- shell
- new energy
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000000428 dust Substances 0.000 claims description 7
- 230000032683 aging Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Power Steering Mechanism (AREA)
Abstract
The utility model provides a power-assisted steering device of a new energy vehicle, which comprises a first shaft, an angle sensor, a motor, a shell and a screw, wherein the first shaft is connected with the angle sensor in a penetrating and sliding manner, the first shaft is fixedly connected with one end of a universal shaft, the other end of the universal shaft is fixedly provided with a third shaft, a bevel gear II and a bevel gear III are arranged on the third shaft, the third shaft is rotatably connected into the shell, the motor is fixedly arranged on the outer wall of the shell, a bevel gear I is fixedly arranged at the output end of the motor, a fourth shaft is rotatably arranged on the inner wall of the shell, a bevel gear IV is fixedly arranged at one end of the fourth shaft, the bevel gear II is in meshed connection with the bevel gear I, the bevel gear III is in meshed connection with the bevel gear IV, a pinion is fixedly arranged on the fourth shaft, the pinion is in meshed connection with a large gear, the large gear is fixedly connected with the screw, the screw is in threaded connection with a threaded sleeve, the threaded sleeve is fixedly connected with the inner wall of the shell, two ends of the screw are respectively provided with a second bearing, the outer ring of the second bearing is fixedly connected with the screw, and the inner ring of the second bearing is fixedly connected with the connecting rod.
Description
Technical Field
The utility model relates to the technical field of electric power steering, in particular to a power steering device of a new energy vehicle.
Technical Field
Conventional vehicle steering systems rely on the driver's power to turn a hydraulic or electric pump in the steering system, and the power steering oil pump, hoses, hydraulic oil, conveyor belts and pulleys mounted on the engine necessary for the hydraulic power steering system may age various parts over time, creating a potentially dangerous situation.
The existing power-assisted steering device for the new energy vehicle is composed of parts such as an electric hydraulic power-assisted steering pump, and the hydraulic pump can leak liquid when used for a long time, so that steering stress is insufficient.
In view of this, it is necessary to provide a power steering apparatus for a new energy vehicle.
Disclosure of utility model
The utility model aims to provide a power-assisted steering device of a new energy vehicle so as to solve the problems of ageing of parts of the traditional power-assisted steering device and leakage of a power-assisted steering hydraulic pump of the existing new energy vehicle.
The power steering device of the new energy vehicle comprises a shaft I, an angle sensor, a motor, a shell and a screw rod, and is characterized in that: the first shaft is fixedly connected with one end of the universal shaft in a penetrating and sliding mode, the third shaft is fixedly connected with the other end of the universal shaft, the second bevel gear and the third bevel gear are installed on the third shaft, the third shaft is rotationally connected into the shell, the motor is fixedly installed on the outer wall of the shell, the first bevel gear is fixedly installed at the output end of the motor, the fourth shaft is rotationally installed on the inner wall of the shell, the fourth bevel gear is fixedly installed at one end of the fourth shaft, the second bevel gear is in meshed connection with the first bevel gear, the third bevel gear is in meshed connection with the fourth bevel gear, the fourth shaft is fixedly provided with a pinion, the pinion is in meshed connection with a large gear, the large gear is fixedly connected with the screw, the screw is in threaded connection with the threaded sleeve, the threaded sleeve is fixedly connected with the inner wall of the shell, the second bearing is installed at two ends of the screw, the outer ring of the second bearing is fixedly connected with the screw, and the inner ring of the second bearing is fixedly connected with one end of the connecting rod.
Preferably, the motor is fixedly connected with the shell, and the motor is electrically connected with the angle sensor.
Preferably, the upper wall of the inner cavity of the shell is fixedly connected with the outer ring of the first bearing, and the inner ring of the first bearing is fixedly connected with the third shaft.
Preferably, the pinion and the gearwheel further have a sliding connection.
Preferably, the dust cover is all installed to the both sides of screw rod, the one end and the casing fixed connection of dust cover, one end and rubber ring fixed connection, the rubber ring rotates with the screw rod to be connected.
Preferably, the other end of the connecting rod is fixedly connected with a fixed shaft sleeve.
Preferably, the screw is slidably connected to the housing.
Compared with the prior art, the utility model has the beneficial effects that:
1. The design of multiple shafts and gears replaces an oil pump, a hose, hydraulic oil and a conveyor belt, so that the problem of part aging does not need to be worried about in the long-time use process of the vehicle, and the use safety of the vehicle is ensured;
2. the signal is transmitted through the angle sensor, the signal of the deflection direction of the steering wheel is transmitted, and the gear is driven by the motor, so that the power is assisted in steering, and the steering is easier;
3. Through installation dirt proof boot and rubber ring, the screw rod has been protected for thereby the screw rod can not produce the damage after long-time use, has guaranteed the life growth of part.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
Fig. 2 is a schematic diagram of a front cross-sectional structure of the present utility model.
In the figure: 1. shaft one, 2, angle sensor, 3, universal shaft, 4, shaft three, 51, conical gear one, 52, conical gear two, 53, bearing one, 54, conical gear three, 55, conical gear four, 56, shaft four, 57, pinion, 58, large gear, 6, motor, 7, shell, 8, dust cover, 9, rubber ring, 10, screw, 11, bearing two, 12, connecting rod, 13, fixed shaft sleeve, 14 and threaded sleeve.
Detailed Description
For the purpose of making the objects, advantages and technical solutions of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, 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.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
According to fig. 1-2, the present embodiment provides a power steering device of a new energy vehicle, including a first shaft 1, an angle sensor 2, a motor 6, a housing 7 and a screw 10, where the first shaft 1 and the angle sensor 2 are connected in a penetrating and sliding manner, so that the angle sensor 2 can detect the angle deflection of the first shaft 1 in real time, the first shaft 1 is fixedly connected with one end of a universal shaft 3, the other end of the universal shaft 3 is fixedly provided with a third shaft 4, the first shaft 1 is connected with the third shaft 4 through the universal shaft 3, so that the first shaft 1 can control the third shaft 4 in real time during steering, the third shaft 4 is provided with a bevel gear two 52 and a bevel gear three 54, the third shaft 4 is connected in the housing 7 in a rotating manner, the bevel gear three 54 is installed in the housing 7 through the third shaft 4, and parts in the housing 7 are convenient to connect, the motor 6 is fixedly arranged on the outer wall of the shell 7, a bevel gear I51 is fixedly arranged at the output end of the motor 6, a shaft IV 56 is rotatably arranged on the inner wall of the shell 7, a bevel gear IV 55 is fixedly arranged at one end of the shaft IV 56, a bevel gear II 52 is in meshed connection with the bevel gear I51, a bevel gear III 54 is in meshed connection with the bevel gear IV 55, a pinion 57 is fixedly arranged on the shaft IV 56, a large gear 58 is in meshed connection with the pinion 57, the large gear 58 is fixedly connected with the screw rod 10, the screw rod 10 is in threaded connection with the threaded sleeve 14, the threaded sleeve 14 is fixedly connected with the inner wall of the shell 7, a bearing II 11 is arranged at both ends of the screw rod 10, the outer ring of the bearing II 11 is fixedly connected with the screw rod 10, and the inner ring of the bearing II 11 is fixedly connected with one end of the connecting rod 12; the motor 6 is fixedly connected with the shell 7, and the motor 6 is electrically connected with the angle sensor 2; the upper wall of the inner cavity of the shell 7 is fixedly connected with the outer ring of the first bearing 53, and the inner ring of the first bearing 53 is fixedly connected with the third shaft 4; the pinion 57 is also in sliding connection with the gearwheel 58; the two sides of the screw 10 are provided with dust covers 8, one end of each dust cover 8 is fixedly connected with the shell 7, the other end of each dust cover is fixedly connected with a rubber ring 9, and the rubber rings 9 are fixedly connected with the screw; the other end of the connecting rod 12 is fixedly connected with a fixed shaft sleeve 13, and the fixed shaft sleeve 13 is hinged with a connecting column at the rear lower end of the wheel, so that when the screw rod 10 performs steering translation, the fixed shaft sleeve 13 and the connecting column have a movable space; the screw 10 is slidably connected to the housing 7.
The specific operation is as follows: when the steering wheel is used, the steering wheel drives the first shaft 1 through rotation, when the rotation amplitude of the steering wheel is larger than a certain threshold value, the angle sensor 2 arranged on the first shaft 1 detects the angle deviation, so that a signal is generated, the signal is transmitted to the motor 6, the motor 6 is started, the output end drives the first bevel gear 51 to rotate, the first bevel gear 51 drives the second bevel gear 52 to rotate the third shaft 4, the third bevel gear 54 arranged at one end of the third shaft 4 rotates, the fourth bevel gear 55 drives the pinion 57 to rotate through the fourth bevel gear 55, the pinion 57 drives the large gear 58 to rotate, the large gear 58 drives the screw 10 to rotate, and therefore horizontal movement of the screw 10 is achieved, the second bearings 11 and the connecting rods 12 arranged at the left end and the right end of the screw 10 enable the connecting rods 12 to be connected with wheels when the screw 10 rotates, and meanwhile the rotation of the screw 10 cannot be blocked; when the steering wheel rotates rightwards, the first shaft 1 rotates simultaneously, at the moment, the angle sensor 2 detects the angle deviation, a signal is transmitted to the motor 6, the motor 6 starts to act, the first bevel gear 51 is driven, and the screw 10 moves leftwards through the mechanical cooperation of gear engagement, so that the vehicle moves rightwards; when the steering wheel rotates leftwards, the first shaft 1 rotates simultaneously, at the moment, the angle sensor 2 detects the angle deviation, a signal is transmitted to the motor 6, the motor 6 starts to act, the first bevel gear 51 is driven, and the screw 10 moves leftwards through the mechanical cooperation of gear engagement, so that the vehicle moves leftwards.
Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (7)
1. The utility model provides a power assisted steering device of new energy vehicle, includes axle one (1), angle sensor (2), motor (6), casing (7) and screw rod (10), its characterized in that: the first shaft (1) is in penetrating sliding connection with the angle sensor (2), one end of the first shaft (1) is fixedly connected with one end of the universal shaft (3), the other end of the universal shaft (3) is fixedly connected with the third shaft (4), the third shaft (4) is provided with the second bevel gear (52) and the third bevel gear (54), the third shaft (4) is rotationally connected into the shell (7), the outer wall of the shell (7) is fixedly provided with the motor (6), the output end of the motor (6) is fixedly connected with the first bevel gear (51), the inner wall of the shell (7) is rotationally provided with the fourth shaft (56), one end of the fourth shaft (56) is fixedly provided with the fourth bevel gear (55), the second bevel gear (52) is in meshed connection with the first bevel gear (51), the third bevel gear (54) is in meshed connection with the fourth bevel gear (55), the fourth bevel gear (57) is fixedly provided with the pinion (57), the fourth bevel gear (58) is in meshed connection with the second bevel gear (10), the second bevel gear (56) is fixedly connected with the first threaded sleeve (14), the second threaded sleeve (14) is fixedly connected with the second threaded sleeve (14), the outer ring of the second bearing (11) is fixedly connected with the screw rod (10), and the inner ring of the second bearing (11) is fixedly connected with one end of the connecting rod (12).
2. The power steering apparatus of a new energy vehicle according to claim 1, wherein: the motor (6) is fixedly connected with the shell (7), and the motor (6) is electrically connected with the angle sensor (2).
3. The power steering apparatus of a new energy vehicle according to claim 2, wherein: the upper wall of the inner cavity of the shell (7) is fixedly connected with the outer ring of the first bearing (53), and the inner ring of the first bearing (53) is fixedly connected with the third shaft (4).
4. The power steering apparatus of a new energy vehicle according to claim 1, wherein: the pinion (57) is also in sliding connection with the gearwheel (58).
5. The power steering apparatus of a new energy vehicle according to claim 1, wherein: the anti-dust device is characterized in that the two sides of the screw (10) are provided with the dustproof sleeves (8), one ends of the dustproof sleeves (8) are fixedly connected with the shell (7), one ends of the dustproof sleeves are fixedly connected with the rubber rings (9), and the rubber rings (9) are rotatably connected with the screw (10).
6. The power steering apparatus of a new energy vehicle according to claim 1, wherein: the other end of the connecting rod (12) is fixedly connected with a fixed shaft sleeve (13).
7. The power steering apparatus of a new energy vehicle according to claim 1, wherein: the screw rod (10) is in sliding connection with the shell (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323163583.3U CN221023832U (en) | 2023-11-23 | 2023-11-23 | Power-assisted steering device of new energy vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323163583.3U CN221023832U (en) | 2023-11-23 | 2023-11-23 | Power-assisted steering device of new energy vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221023832U true CN221023832U (en) | 2024-05-28 |
Family
ID=91188714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323163583.3U Active CN221023832U (en) | 2023-11-23 | 2023-11-23 | Power-assisted steering device of new energy vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221023832U (en) |
-
2023
- 2023-11-23 CN CN202323163583.3U patent/CN221023832U/en active Active
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