CN219487552U - Novel electric steering wheel - Google Patents
Novel electric steering wheel Download PDFInfo
- Publication number
- CN219487552U CN219487552U CN202320288502.3U CN202320288502U CN219487552U CN 219487552 U CN219487552 U CN 219487552U CN 202320288502 U CN202320288502 U CN 202320288502U CN 219487552 U CN219487552 U CN 219487552U
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- steering
- wheel
- cavity
- novel electric
- outer race
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Abstract
The utility model discloses a novel electric steering wheel, which comprises a protective shell, wherein a large cavity and a small cavity which are communicated are formed in the protective shell, and the lower ends of the large cavity and the small cavity are designed with openings; the slewing bearing is provided with an inner race and an outer race which rotate relatively, the slewing bearing is arranged in the large chamber, the inner race is fixedly connected with the inner wall of the protective shell, the outer race is connected with a steering supporting seat, and a steering sealing ring is arranged between the outer wall of the steering supporting seat and the inner wall of the large chamber; the driving group is fixedly arranged at the lower end of the small cavity, a steering gear connected with the output end of the driving group is arranged in the small cavity, a rotatable transmission gear is arranged between the large cavity and the small cavity, and the transmission gear is respectively meshed with the outer race and the steering gear; and the wheel body is connected to the steering supporting seat. The novel electric steering wheel can effectively prevent external dust and splash from entering the inside of the protective shell, and can be applied to a severe environment.
Description
Technical Field
The utility model relates to the technical field of driving wheels, in particular to a novel electric steering wheel.
Background
The electric steering wheel is used as an electromechanical integrated product with higher integration level at present, and is widely applied to an AGV body. The electric steering wheel comprises a wheel body and an electric steering mechanism, wherein the wheel body is responsible for bearing weight and moving in cooperation with a vehicle, and the electric steering mechanism is responsible for controlling the advancing direction of the wheel body so as to change the moving direction of the vehicle body.
The existing electric steering wheel has a certain problem in waterproof and dustproof treatment, and abrasive dust generated in the motion process of a steering mechanism is easy to leak out, so that the working environment is polluted.
Disclosure of Invention
In view of the above, an object of the present utility model is to provide a novel electric steering wheel having waterproof and dustproof properties.
To achieve the above object, the present utility model adopts the following:
the utility model provides a novel electric steering wheel, which comprises a protective shell, wherein a large cavity and a small cavity which are communicated are formed in the protective shell, and the lower ends of the large cavity and the small cavity are designed to be opened;
the slewing bearing is provided with an inner race and an outer race which rotate relatively, the slewing bearing is arranged in the large chamber, the inner race is fixedly connected with the inner wall of the protective shell, the outer race is connected with a steering supporting seat, and a steering sealing ring is arranged between the outer wall of the steering supporting seat and the inner wall of the large chamber;
the driving group is fixedly arranged at the lower end of the small cavity, a steering gear connected with the output end of the driving group is arranged in the small cavity, a rotatable transmission gear is arranged between the large cavity and the small cavity, and the transmission gear is respectively meshed with the outer race and the steering gear;
and the wheel body is connected to the steering supporting seat.
According to the novel electric steering wheel provided by the utility model, the wheel body is a castor, a pair of parallel spaced supporting side frames are arranged at the bottom end of the steering supporting seat in a vertical extending mode, and the wheel body is rotatably arranged between the two supporting side frames.
According to the novel electric steering wheel provided by the utility model, the wheel body is an electric driving wheel and is arranged at the bottom end of the steering supporting seat.
According to the novel electric steering wheel provided by the utility model, two spaced limit switches are arranged on the protective shell, the triggering ends of the limit switches enter the large cavity in the protective shell, and the upper surface of the outer race of the slewing bearing is provided with an arc-shaped steering limit body protruding upwards for triggering the limit switches.
According to the novel electric steering wheel provided by the utility model, the upper surface of the protective shell is provided with the preformed hole communicated with the large cavity, and the cable protective sleeve is arranged at the position of the preformed hole.
According to the novel electric steering wheel provided by the utility model, the driving group comprises a steering motor and a steering reduction gearbox, the steering reduction gearbox is fixedly arranged at the lower end of the small cavity, and the steering motor is fixedly arranged at the lower end of the steering reduction gearbox.
Based on the technical scheme, the novel electric steering wheel disclosed by the utility model has the following beneficial effects: the protection casing is used for connecting the AGV automobile body and bears the weight of the automobile body, and as the slewing bearing of steering mechanism installs in the protection casing, uses the sealing washer of turning to seal simultaneously to reach steering mechanism sealed effect, prevent effectively that external dust, splash from entering into the protection casing inside, can use in more abominable environment, also can prevent simultaneously to turn to the sweeps after transmission spare part wearing and tearing and leak outward.
Drawings
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
FIG. 1 is a schematic view showing the overall structure of a novel electric steering wheel according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a protective housing according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a hidden protective housing of a novel electric steering wheel according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a caster of a novel electric power steering wheel according to an embodiment of the present utility model;
FIG. 5 is a schematic view showing a structure of another novel electric power steering wheel according to an embodiment of the present utility model;
10-protection shell, 20-slewing bearing, 30-driving group, 40-trundle, 50-steering sealing ring, 60-electric driving wheel, 101-reserved hole, 102-cable protection sleeve, 110-big chamber, 120-small chamber, 130-limit switch, 121-steering gear, 122-transmission gear, 210-inner race, 220-outer race, 221-steering limit body, 230-steering supporting seat, 310-steering motor, 320-steering reduction gearbox and 410-supporting side frame.
Detailed Description
In order to more clearly illustrate the present utility model, the present utility model will be further described with reference to preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and that this utility model is not limited to the details given herein.
Example 1
Referring to fig. 1 to 4, the embodiment of the utility model provides a novel electric steering wheel sealed by a steering mechanism, wherein a main component is a protective shell 10, the protective shell is of an integrated aluminum alloy die-casting structure, a stress part is in non-threaded connection so as to improve the overall strength of the protective shell structure, a large cavity 110 and a small cavity 120 which are communicated are formed in the protective shell 10, and the lower ends of the large cavity 110 and the small cavity 120 are designed to be open. The protective shell is round in appearance, one side of the protective shell outwards extends to form a small cover part, the large cavity is formed in the main body of the protective shell, and the small cavity is formed in the small cover part.
The steering mechanism for the novel electric steering wheel has a slewing bearing 20, wherein the slewing bearing 20 is provided with an inner race 210 and an outer race 220 which rotate relatively, the slewing bearing 20 is arranged in a large chamber 110, the top end of the inner race 210 is fixedly connected with the inner wall of a protective shell 10, the outer race 220 of the slewing bearing 20 and the inner wall of the protective shell 10 cannot touch each other in the process that the outer race 220 rotates relatively to the inner race 210, the lower end of the outer race 220 of the slewing bearing 20 is connected with a steering supporting seat 230, a circle of steering sealing ring 50 is arranged between the outer peripheral wall of the steering supporting seat 230 and the inner peripheral wall of the large chamber 110, the steering sealing ring is made of rubber, and the steering sealing ring 50 is tightly clamped in a gap formed between the outer peripheral wall of the steering supporting seat 230 and the inner peripheral wall of the large chamber 110.
In actual production, when the outer race of the slewing bearing rotates relatively to the inner race of the slewing bearing, the outer race also rotates relatively to the protective shell, so that the outer race also rotates relatively to the steering sealing ring, and in order to ensure the normal rotation of the outer race, the outer peripheral surface of the steering supporting seat can be subjected to certain smooth polishing treatment so as to reduce the friction force between the steering supporting seat and the steering sealing ring, and the steering of the steering supporting seat is more flexible.
The protective housing 10 also has mounted thereon a drive train 30 which is fixedly mounted to the lower end of the small chamber 120 and which is mounted in sealing relation to the lower end of the small chamber 120.
A steering gear 121 capable of being connected with the output end of the driving set 30 is arranged in the small chamber 120, the driving set 30 drives the steering gear 121 to rotate, a rotatable transmission gear 122 is arranged between the large chamber 110 and the small chamber 120, the transmission gear 122 is respectively meshed with the outer race 220 and the steering gear 121, the steering gear 121 transmits rotation torque to the outer race 220 through the transmission gear 122, so that the outer race 220 rotates relative to the inner race 210, and rotation of the steering supporting seat 230 is realized.
In detail, the driving group 30 includes a steering motor 310 and a steering reduction gearbox 320, the steering reduction gearbox 320 is fixedly installed at the lower end of the small chamber 120, and the steering motor 310 is fixedly installed at the lower end of the steering reduction gearbox 320. The steering reduction gearbox is a power transmission mechanism, and can reduce the rotation number of the steering motor to a required rotation number and obtain larger torque so as to meet the actual rotation speed and torque requirements.
In this embodiment, mounted to the bottom end of the steering support block 230 is a generally oriented caster 40, and specifically, a pair of parallel spaced support side frames 410 are provided in a vertically extending fashion at the bottom end of the steering support block 230 with the caster 40 rotatably mounted between the two support side frames 410 by standard bearing members, the caster 40 being steered with the steering support block 230.
In order to realize the steering limit function of the electric steering wheel, two spaced limit switches 130 are installed on the protective housing 10, the triggering ends of the limit switches 130 enter the large cavity 110 in the protective housing 10, a section of arc-shaped steering limit body 221 protruding upwards is arranged on the upper surface of the outer race of the slewing bearing 20, and two ends of the steering limit body 221 can be used for triggering one limit switch 130 respectively in the process of rotating the outer race 220, so that the steering angle of the caster 40 is judged.
Example 2
Referring to fig. 5, an embodiment of the present utility model provides a novel electric driving wheel with a sealed steering mechanism, which is different from the scheme of embodiment 1 in that the wheel body in this embodiment is an electric driving wheel 60, and the electric driving wheel 60 is installed at the bottom end of the steering supporting seat 230.
Since the electric driving wheel needs to be electrified for use, and the electric driving wheel is provided with a cable harness, in order to ensure the normal arrangement of the cable harness, the embodiment is provided with a preformed hole 101 communicated with the large cavity on the upper surface of the protective casing 10, and a cable protecting sleeve 102 is installed at the position of the preformed hole 101 so as to enable the cable harness of the electric driving wheel 60 to pass through.
It should be understood that the foregoing examples of the present utility model are provided merely for clearly illustrating the present utility model and are not intended to limit the embodiments of the present utility model, and that various other changes and modifications may be made therein by one skilled in the art without departing from the spirit and scope of the present utility model as defined by the appended claims.
Claims (6)
1. A novel electric steering wheel, comprising:
the protective shell is internally provided with a large cavity and a small cavity which are communicated, and the lower ends of the large cavity and the small cavity are designed with openings;
the slewing bearing is provided with an inner race and an outer race which rotate relatively, the slewing bearing is arranged in the large chamber, the inner race is fixedly connected with the inner wall of the protective shell, the outer race is connected with a steering supporting seat, and a steering sealing ring is arranged between the outer wall of the steering supporting seat and the inner wall of the large chamber;
the driving group is fixedly arranged at the lower end of the small cavity, a steering gear connected with the output end of the driving group is arranged in the small cavity, a rotatable transmission gear is arranged between the large cavity and the small cavity, and the transmission gear is respectively meshed with the outer race and the steering gear;
and the wheel body is connected to the steering supporting seat.
2. The novel electric power steering wheel of claim 1, wherein the wheel body is a caster wheel, a pair of parallel spaced support side frames are provided in a vertically extending manner at the bottom end of the steering support base, and the wheel body is rotatably mounted between the two support side frames.
3. The novel electric steering wheel of claim 1, wherein the wheel body is an electric drive wheel mounted to the bottom end of the steering support base.
4. A novel electric steering wheel according to claim 2 or 3, wherein the protective housing is provided with two spaced limit switches, the triggering ends of the limit switches enter the large cavity in the protective housing, and the upper surface of the outer race of the slewing bearing is provided with an arc-shaped steering limit body protruding upwards for triggering the limit switches.
5. A novel electric steering wheel according to claim 3, wherein the upper surface of the protective housing is formed with a preformed hole communicating with the large chamber, and a cable protective sleeve is installed at the position of the preformed hole.
6. The novel electric steering wheel of claim 1, wherein the drive train comprises a steering motor and a steering reduction box, the steering reduction box is fixedly mounted at the lower end of the small chamber, and the steering motor is fixedly mounted at the lower end of the steering reduction box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320288502.3U CN219487552U (en) | 2023-02-22 | 2023-02-22 | Novel electric steering wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320288502.3U CN219487552U (en) | 2023-02-22 | 2023-02-22 | Novel electric steering wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219487552U true CN219487552U (en) | 2023-08-08 |
Family
ID=87476607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320288502.3U Active CN219487552U (en) | 2023-02-22 | 2023-02-22 | Novel electric steering wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219487552U (en) |
-
2023
- 2023-02-22 CN CN202320288502.3U patent/CN219487552U/en active Active
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