CN210634390U

CN210634390U - Wheel set module

Info

Publication number: CN210634390U
Application number: CN201921345584.0U
Authority: CN
Inventors: 杨子豪; 张宪
Original assignee: Dongguan Weihong Intelligent Technology Co Ltd
Current assignee: Lunqu Technology (Dongguan) Co.,Ltd.
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-05-29
Anticipated expiration: 2029-08-19

Abstract

The utility model relates to a wheel set module for drive auto wheel rotates, include: the device comprises a base, a driving mechanism, a wheel rotating shaft and a flexible coupling, wherein a hollow groove is formed in the middle of the base, and a first installation part and a second installation part are respectively arranged on two sides of the hollow groove of the base; the driving mechanism comprises a driving piece and an output shaft, the driving piece is detachably connected with the outer side of the first mounting part, and the output shaft can penetrate through the first mounting part and extend into the hollow groove of the base; the wheel rotating shaft is rotatably connected with the second mounting part and can extend into the hollow groove of the base through the second mounting part; the flexible coupling is arranged in the base empty groove, one end of the flexible coupling is fixedly connected with the output shaft, and the other end of the flexible coupling is fixedly connected with the wheel rotating shaft. Generally speaking, this wheelset module, the shock attenuation is effectual, and motor output is stable, the loss is low, simple structure, installation easy maintenance, and the processing cost is low.

Description

Wheel set module

Technical Field

The utility model relates to a technical field is connected in the drive for machinery, specifically is a wheel set module.

Background

The rotation of the automobile wheels generally carries out power output through a wheel set module on a mobile chassis, however, the existing motor output mode is that a motor is directly output to the wheels after passing through a reduction gearbox, no damping treatment is carried out, and a motor output shaft is directly and rigidly connected with the wheels, so that when the circular runout of the motor is large, the rotation of the wheels is not uniform, the wheels shake, and on the other hand, the motor itself causes large loss, and the performance and the service life of the motor are influenced; or before the motor is output to the wheels, the damping treatment is already carried out in the reduction gearbox of the motor, and the reduction gearbox is closed, so that the damping mechanism in the reduction gearbox is difficult to install and maintain. There is also a problem of high installation and maintenance costs.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

For solving the above problem, the utility model provides a wheel set module, the shock attenuation is effectual, and motor output is stable, the loss is low, simple structure, installation easy maintenance, and the processing cost is low.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a wheel set module for driving the rotation of a vehicle wheel, comprising: the device comprises a base, a driving mechanism, a wheel rotating shaft and a flexible coupling, wherein a hollow groove is formed in the middle of the base, and a first installation part and a second installation part are respectively arranged on two sides of the hollow groove of the base; the driving mechanism comprises a driving piece and an output shaft, the driving piece is detachably connected with the outer side of the first mounting part, and the output shaft can penetrate through the first mounting part and extend into the hollow groove of the base; the wheel rotating shaft is rotatably connected with the second mounting part and can extend into the hollow groove of the base through the second mounting part; the flexible coupling is arranged in the base empty groove, one end of the flexible coupling is fixedly connected with the output shaft, and the other end of the flexible coupling is fixedly connected with the wheel rotating shaft.

Preferably, still include the bearing, be equipped with in the middle of the second installation department and inlay the hole, the bearing inner race is installed in inlaying the hole, bearing inner race and wheel pivot fixed connection.

Preferably, still including compressing tightly the piece, the second installation department still is equipped with the locating hole, and the locating hole is equipped with a plurality ofly and evenly distributed around inlaying the hole, compresses tightly the piece and includes interconnect's screw thread portion and compress tightly the portion, screw thread portion and locating hole threaded connection, but compress tightly the portion and be close to second installation department one side compress tightly the bearing.

Preferably, the first mounting portion is provided with a mounting hole for fixing the driving member on the base, the mounting hole is coaxial with the positioning hole, and the diameter of the positioning hole is larger than that of the mounting hole.

Preferably, the bottom of the base empty groove is also provided with a bottom mounting hole, and the base can be fixedly mounted at the corresponding part of the automobile through the bottom mounting hole.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: this wheelset module for drive auto wheel rotates, includes: the flexible coupling is convenient for linkage of the driving mechanism and the wheel rotating shaft so as to ensure basic operation and continuous output of the wheel set module; the driving mechanism comprises a driving piece and an output shaft, the driving piece is detachably connected with the outer side of the first mounting part, and the output shaft can penetrate through the first mounting part and extend into the hollow groove of the base; the wheel rotating shaft is rotatably connected with the second mounting part and can extend into the hollow groove of the base through the second mounting part; the flexible coupling is arranged in the base empty groove, one end of the flexible coupling is fixedly connected with the output shaft, the other end of the flexible coupling is fixedly connected with the wheel rotating shaft, and the circular runout of the output shaft and the vibration and shake between the output shaft and the wheel rotating shaft can be effectively reduced through the elastic part of the flexible coupling, so that the loss of the motor is reduced. Generally speaking, this wheelset module, the shock attenuation is effectual, and motor output is stable, the loss is low, simple structure, installation easy maintenance, and the processing cost is low.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 shows a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 shows an exploded view of an embodiment of the present invention;

fig. 3 shows a schematic view of a base structure of an embodiment of the present invention;

fig. 4 shows a schematic structural diagram of a pressing member according to an embodiment of the present invention.

In the figure: the device comprises a base 1, a bottom mounting hole 10, a first mounting part 11, a mounting hole 110, a second mounting part 12, a positioning hole 120, a driving mechanism 2, a driving part 20, an output shaft 21, a wheel rotating shaft 3, a flexible coupling 4, a bearing 5, an embedding hole 6, a pressing part 7, a threaded part 70 and a pressing part 71.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2 and 3, a wheel set module for driving a wheel of a vehicle to rotate includes: the wheel assembly module comprises a base 1, a driving mechanism 2, a wheel rotating shaft 3 and a flexible coupling 4, wherein a hollow groove is formed in the middle of the base 1, a first mounting part 11 and a second mounting part 12 are respectively arranged on two sides of the hollow groove of the base 1, specifically, the hollow groove of the base 1 is upwards arranged and bent to be U-shaped, so that the driving mechanism 2 and the flexible coupling 4 are conveniently mounted on the base 1, through holes are formed in the middles of the first mounting part 11 and the second mounting part 12, and the flexible coupling 4 is convenient to link the driving mechanism 2 and the wheel rotating shaft 3 so as to ensure the basic operation and the continuous output of the wheel assembly module;

the driving mechanism 2 comprises a driving part 20 and an output shaft 21, the driving part 20 is detachably connected with the outer side of the first installation part 11, in the implementation, the driving part 20 comprises a motor and a reduction gearbox installed at the front end of the motor, specifically, the reduction gearbox is detachably installed with the outer side of the first installation part 11, furthermore, the output shaft 21 can pass through the first installation part 11 and extend into the empty slot of the base 1, the wheel rotating shaft 3 is rotatably connected with the second installation part 12, and the wheel rotating shaft 3 can pass through the second installation part 12 and extend into the empty slot of the base 1;

the flexible coupling 4 is arranged in the empty groove of the base 1, particularly, the flexible coupling 4 can be quickly installed or maintained through the separated arrangement of the flexible coupling 4 and the reduction gearbox, and on the other hand, the dependence on the overall function of the reduction gearbox is also reduced, so that the cost is reduced; 4 one end of flexible coupling and output shaft 21 fixed connection, the other end and 3 fixed connection of wheel pivot, in this embodiment, this flexible coupling 4 is preferably the plum blossom shaft coupling, it is concrete, can hold tightly output shaft 21 and wheel pivot 3 that the diameter of both ends differs through the plum blossom shaft coupling respectively, thereby realize the moment of torsion transmission between output shaft 21 and the wheel pivot 3, guarantee the rotation of wheel pivot 3, on the other hand, elastic component through the plum blossom shaft coupling itself, can reduce the circle of output shaft 21 and shake between output shaft 21 and the wheel pivot 3 effectively, thereby reduce the loss of motor. Generally speaking, this wheelset module, the shock attenuation is effectual, and motor output is stable, the loss is low, simple structure, installation easy maintenance, and the processing cost is low.

Referring to fig. 1, 2 and 3, the wheel set module further includes a bearing 5, an embedding hole 6 is formed in the middle of the second mounting portion 12, an outer ring of the bearing 5 is mounted in the embedding hole 6, and an inner ring of the bearing 5 is fixedly connected with the wheel spindle 3.

Referring to fig. 2 and 4, the wheel set module further includes a pressing member 7, the second installation portion 12 is further provided with a positioning hole 120, the positioning hole 120 is provided with a plurality of screw portions 70 and pressing portions 71 which are uniformly distributed around the embedding hole 6, the pressing member 7 includes the screw portions 70 and the pressing portions 71 which are connected with each other, the screw portions 70 are in threaded connection with the positioning hole 120, the pressing portions 71 are close to one side of the second installation portion 12 and can press the bearing 5, in this embodiment, the positioning holes 120 are preferably four and uniformly distributed around the embedding hole 6, so that the bearing 5 is uniformly pressed by the pressing member 7, and the rotation stability of the wheel rotating shaft 3 is further improved.

Further, the first mounting portion 11 is provided with four mounting holes 110 for fixing the driving member 20 on the base 1, the mounting holes 110 and the positioning holes 120 are coaxially arranged, specifically, the number of the mounting holes 110 is four, when mounting, the driving member 20 can be fixed on the base 1 by using four socket head cap screws, so as to avoid vibration and jitter between the driving mechanism 2 and the base 1, and to ensure stable output of the output shaft 21; on the other hand, because base 1 dead slot size and flexible coupling 4 are great in base 1 dead slot occupation space, when needs dismantle the maintenance to actuating mechanism 2, the difficult screw of interior hex head on mounting hole 110 is twisted, thereby make the diameter of locating hole 120 on the second installation department 12 be greater than the diameter of mounting hole 110, so that interior hex wrench can pass locating hole 120 and stretch into base 1 dead slot and twist the interior hex head screw on mounting hole 110, thereby can realize the maintenance of this wheelset module each part more high-efficiently, what need explain in addition, the external circle diameter of the spill allen of same interior hex head screw is less than the diameter of interior hex head screw.

In order to further improve the overall stability of the wheel set module, the bottom of the empty groove of the base 1 is further provided with a bottom mounting hole 10, the base 1 can be fixedly mounted on a metal plate of an automobile through the bottom mounting hole 10, and specifically, the base 1 can be mounted on a chassis near the automobile wheels.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A wheel set module for driving a vehicle wheel to rotate, comprising:

the device comprises a base (1), wherein a hollow groove is formed in the middle of the base (1), and a first installation part (11) and a second installation part (12) are respectively arranged on two sides of the hollow groove of the base (1);

the driving mechanism (2) comprises a driving piece (20) and an output shaft (21), the driving piece (20) is detachably connected with the outer side of the first mounting part (11), and the output shaft (21) can penetrate through the first mounting part (11) and extend into the empty groove of the base (1);

the wheel rotating shaft (3) is rotatably connected with the second mounting part (12), and the wheel rotating shaft (3) can penetrate through the second mounting part (12) and extend into the empty groove of the base (1);

the flexible coupling (4) is arranged in the hollow groove of the base (1), one end of the flexible coupling (4) is fixedly connected with the output shaft (21), and the other end of the flexible coupling is fixedly connected with the wheel rotating shaft (3).

2. A wheel set module according to claim 1, characterized in that, it further comprises a bearing (5), the middle of the second mounting portion (12) is provided with an embedded hole (6), the outer ring of the bearing (5) is mounted in the embedded hole (6), and the inner ring of the bearing (5) is fixedly connected with the wheel rotating shaft (3).

3. A wheel set module according to claim 2, characterized in that the wheel set module further comprises a pressing member (7), the second mounting portion (12) is further provided with a positioning hole (120), the positioning hole (120) is provided with a plurality of screw thread portions (70) and a pressing portion (71) which are uniformly distributed around the embedding hole (6), the pressing member (7) comprises a screw thread portion (70) and a pressing portion (71) which are connected with each other, the screw thread portion (70) is in threaded connection with the positioning hole (120), and the pressing portion (71) can press the bearing (5) on the side close to the second mounting portion (12).

4. A wheel set module according to claim 3, characterised in that the first mounting portion (11) is provided with a mounting hole (110) for fixing the driving member (20) to the base (1), the mounting hole (110) being arranged coaxially with the positioning hole (120), the diameter of the positioning hole (120) being larger than the diameter of the mounting hole (110).

5. A wheel set module according to claim 1, characterised in that the bottom of the recess of the base (1) is provided with bottom mounting holes (10), through which holes (10) the base (1) can be fixedly mounted on a sheet metal part of a motor vehicle.