CN217607642U - Cycloidal internal tooth and casing integrated brushless automobile steering motor - Google Patents
Cycloidal internal tooth and casing integrated brushless automobile steering motor Download PDFInfo
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- CN217607642U CN217607642U CN202220987550.7U CN202220987550U CN217607642U CN 217607642 U CN217607642 U CN 217607642U CN 202220987550 U CN202220987550 U CN 202220987550U CN 217607642 U CN217607642 U CN 217607642U
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Abstract
The utility model relates to a brushless auto steering motor of cycloid internal tooth and casing integral type, include: the first end of the shell is fixed with an end cover, and the second end of the shell is provided with an output port; the output shaft is arranged in the shell, the first end of the output shaft is sleeved with the output gear, and the second end of the output shaft penetrates through the output port and is connected with the output port through the first bearing; the first end of the rotor shaft is connected with the end cover through a second bearing, the second end of the rotor shaft is provided with an eccentric column, and the second end of the rotor shaft is connected with the output gear through a third bearing; locate the reduction gears in this casing, include the cycloid gear of being connected through fourth bearing and this eccentric column and locate the inner wall of this casing and with this casing integrated into one piece's internal gear, this cycloid gear is connected with this output gear, the number of teeth of this internal gear is greater than the number of teeth of this cycloid gear and with this cycloid gear transmission fit. The utility model discloses an internal gear sets up with casing integration, has simplified assembly process, has reduced volume and quality.
Description
Technical Field
The utility model relates to the technical field of electric machines, in particular to brushless auto steering motor of cycloid internal tooth and casing integral type.
Background
Along with the continuous improvement of living standard, people have higher and higher requirements on automobiles, and light, energy-saving and mute motors are favored by the market.
The existing automobile motor is usually a shell and speed reducing mechanism split type structure, the shell and the speed reducing mechanism are required to be connected through a fastener, the manufacturing precision of a cycloid gear in the speed reducing mechanism is high, the assembling procedure is complex, and the motor is large in overall size and heavy in mass.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a brushless auto steering motor of cycloid internal tooth and casing integral type through the internal gear among the reduction gears and casing integration setting, has simplified assembly process for the motor volume is littleer, and the quality is lighter, and gear drive is more steady.
The utility model discloses a following scheme realizes: a cycloidal internal tooth and housing integrated brushless automobile steering motor, comprising:
the first end of the shell is fixed with an end cover, and the second end of the shell is provided with an output port;
the output shaft is arranged in the shell, the first end of the output shaft is sleeved with an output gear, and the second end of the output shaft penetrates through the output port and is connected with the output port through a first bearing;
the first end of the rotor shaft is connected with the end cover through a second bearing, the second end part of the rotor shaft is provided with an eccentric column, and the second end of the rotor shaft is connected with the output gear through a third bearing;
locate reduction gears in the casing, reduction gears include through the fourth bearing with the cycloid gear that eccentric post connects and locate the inner wall of casing and with casing integrated into one piece's internal gear, cycloid gear with output gear connects, the internal gear with cycloid gear drive cooperation, just the number of teeth of internal gear is greater than the number of teeth of cycloid gear.
The utility model discloses the further improvement that cycloid internal tooth and casing integral type brushless automobile steering motor lie in, the output shaft with the coaxial setting of rotor shaft.
The utility model discloses the brushless auto steering motor of cycloid internal tooth and casing integral type further improves and lies in, the output face of cycloid gear distributes along the circumference has a plurality of round pin posts, it has a plurality of to supply along the circumference distribution on the output gear a plurality of pinholes that round pin post one-to-one pegged graft.
The utility model discloses the brushless auto steering motor of cycloid internal tooth and casing integral type further improves and lies in, the tooth number ratio of internal gear the many teeth of number of teeth of cycloid gear.
The utility model discloses a but not limited to following beneficial effect:
1. through the integrated setting of internal gear and casing among the reduction gears, simplified assembly process for the motor volume is littleer, and the quality is lighter, and gear drive is more steady.
2. Through the coaxial arrangement of output shaft and rotor shaft, further simplified the assembly process, reduced motor volume and quality, and can realize directly driving power assisted steering, produce bigger moment, energy-conservation and silence.
Drawings
Fig. 1 shows a schematic sectional view of the present invention in an assembled state.
Fig. 2 shows a schematic cross-sectional view of the present invention in an exploded state.
Detailed Description
In order to solve the problem that casing and the split type structure motor assembly process of reduction gears are complicated, bulky, the quality is heavy, the utility model provides a brushless auto steering motor of cycloid internal tooth and casing integral type through the internal gear and the casing integration setting among the reduction gears, has simplified assembly process for the motor volume is littleer, and the quality is lighter, and gear drive is more steady.
The following describes the cycloid internal tooth and housing integrated brushless motor for vehicle steering in an embodiment with reference to the accompanying drawings.
Referring to fig. 1 and 2, a cycloidal internal tooth and housing integrated brushless motor for steering of an automobile, includes:
the device comprises a shell 10, wherein an end cover 11 is fixed at a first end of the shell 10, and an output port is formed at a second end of the shell;
an output shaft 20 arranged in the casing 10, wherein a first end of the output shaft 20 is sleeved with an output gear 21, and a second end of the output shaft passes through the output port and is connected with the output port through a first bearing 22;
a rotor shaft 30 disposed in the casing 10, wherein a first end of the rotor shaft 30 is connected to the end cover 11 through a second bearing 31, a second end of the rotor shaft 30 is provided with an eccentric column, and a second end of the rotor shaft 30 is connected to the output gear 21 through a third bearing 32;
the speed reducing mechanism disposed in the casing 10 includes a cycloid gear 42 connected to the eccentric column through a fourth bearing 41 and an internal gear 43 disposed on the inner wall of the casing 10 and integrally formed with the casing 10, the cycloid gear 42 is connected to the output gear 21, the internal gear 43 is in gear transmission fit with the cycloid gear 42, and the number of teeth of the internal gear 43 is greater than that of the cycloid gear 42.
Specifically, the internal gear 43 has one more tooth than the cycloid gear 42, and the output shaft 20 is coaxially disposed with the rotor shaft 30. Assuming that the axes of the output shaft 20 and the rotor shaft 30 are the first axis, correspondingly, the first bearing 22, the second bearing 31 and the third bearing 32 all coincide with the first axis, and the axis of the fourth bearing 41 deviates from the first axis and is parallel to the first axis, the cycloid gear 42 will make periodic revolution motion around the first axis under the driving of the fourth bearing 41, and will make low-speed rotation under the restriction of the internal gear 43 with multiple teeth. In the embodiment, the inner gear 43 and the housing 10 are integrally arranged, so that the motor assembly process is simplified, the motor volume is reduced, the motor mass is reduced, the gear transmission is more stable, further, the assembly process is further simplified through the coaxial arrangement of the output shaft 20 and the rotor shaft 30, the motor volume and mass are reduced, direct-drive power steering can be realized, larger torque is generated, energy is saved, and the noise is reduced.
As a preferred embodiment, a plurality of pins 44 are circumferentially distributed on the output surface of the cycloid gear 42, and a plurality of pin holes 23 for the pins 44 to be correspondingly inserted one by one are circumferentially distributed on the output gear 21. By adopting the splicing form, the motor is more convenient to disassemble and assemble, and the plurality of pin columns 44 are inserted into the plurality of pin holes 23 in a one-to-one correspondence manner, so that the low-speed rotation motion of the cycloid gear 42 is transmitted to the output gear 21 through the pin columns 44, and the speed reduction and torque increase output are realized.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.
Claims (4)
1. The utility model provides a brushless automobile steering motor of cycloid internal tooth and casing integral type which characterized in that includes:
the first end of the shell is fixed with an end cover, and the second end of the shell is provided with an output port;
the output shaft is arranged in the shell, the first end of the output shaft is sleeved with an output gear, and the second end of the output shaft penetrates through the output port and is connected with the output port through a first bearing;
the first end of the rotor shaft is connected with the end cover through a second bearing, the second end part of the rotor shaft is provided with an eccentric column, and the second end of the rotor shaft is connected with the output gear through a third bearing;
locate reduction gears in the casing, reduction gears include through the fourth bearing with the cycloid gear that eccentric column connects and locate the inner wall of casing and with casing integrated into one piece's internal gear, the cycloid gear with output gear connects, the internal gear with cycloid gear drive cooperation, just the number of teeth of internal gear is greater than the number of teeth of cycloid gear.
2. The cycloidal internal tooth and housing integrated brushless automotive steering motor of claim 1 wherein said output shaft is disposed coaxially with said rotor shaft.
3. The cycloidal internal tooth and casing integrated brushless automobile steering motor of claim 1, wherein a plurality of pins are circumferentially distributed on an output face of the cycloidal gear, and a plurality of pin holes for the pins to be correspondingly inserted one by one are circumferentially distributed on the output gear.
4. The cycloidal internal gear and housing integrated brushless motor steering motor of claim 2, wherein the number of teeth of said internal gear is one more than the number of teeth of said cycloid gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220987550.7U CN217607642U (en) | 2022-04-25 | 2022-04-25 | Cycloidal internal tooth and casing integrated brushless automobile steering motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220987550.7U CN217607642U (en) | 2022-04-25 | 2022-04-25 | Cycloidal internal tooth and casing integrated brushless automobile steering motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217607642U true CN217607642U (en) | 2022-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220987550.7U Active CN217607642U (en) | 2022-04-25 | 2022-04-25 | Cycloidal internal tooth and casing integrated brushless automobile steering motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217607642U (en) |
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2022
- 2022-04-25 CN CN202220987550.7U patent/CN217607642U/en active Active
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