CN220605679U - Motor with replaceable rim and vehicle - Google Patents

Abstract

The utility model discloses a rim-replaceable motor and a vehicle, and relates to the field of hub motors. The technical scheme is characterized by comprising a motor shell and a rim detachably sleeved on the motor shell; an axial limiting structure is arranged between the rim and the motor shell; the axial limiting structure comprises a first limiting plate arranged on the outer side wall of the motor shell and an inner spigot arranged on the end face of the rim and matched with the first limiting plate. According to the utility model, the rim is separated from the motor shell, when a problem occurs in the rim, only the old rim is required to be detached, and then a new rim is required to be replaced; in the process of replacing the rim, the motor shell does not need to be disassembled, so that the air tightness of the motor shell can be ensured; moreover, only the rim is replaced, so that the cost can be reduced, the maintenance efficiency is improved, and the maintenance difficulty is reduced; meanwhile, the connecting structure of the rim and the machine core shell is good in connection stability, convenient to install and convenient to detach after long-time use.

Description

Motor with replaceable rim and vehicle

Technical Field

The utility model relates to the field of hub motors, in particular to a rim-replaceable motor and a vehicle.

Background

At present, a vacuum tire is often used for comfort in use, and when the scooter is actually ridden, as the use condition is complex, the rim part deforms to cause the vacuum tire to leak air along with the increase of the use time. The hub needs to be replaced frequently based on safety, and the hub magnetic steel can only be scrapped, so that the cost is increased, and the air tightness of the motor can be influenced when the movement is replaced.

Disclosure of Invention

In view of the shortcomings of the prior art, one of the objects of the present utility model is to provide a rim-replaceable motor that separates the rim from the motor housing, and when a problem occurs in the rim, only the old rim needs to be removed and then a new rim needs to be replaced; in the process of replacing the rim, the motor shell does not need to be disassembled, so that the air tightness of the motor shell can be ensured; moreover, only the rim is replaced, so that the cost can be reduced, the maintenance efficiency is improved, and the maintenance difficulty is reduced; meanwhile, the connecting structure of the rim and the machine core shell is good in connection stability, convenient to install and convenient to detach after long-time use.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a motor with a replaceable rim comprises a motor shell and a rim detachably sleeved on the motor shell.

Further, an axial limiting structure is arranged between the rim and the motor shell.

Further, the axial limiting structure comprises a first limiting plate arranged on the outer side wall of the motor shell and an inner spigot arranged on the end face of the rim and matched with the first limiting plate.

Further, the axial limiting structure further comprises a second limiting plate arranged on the inner side wall of the rim and an outer spigot arranged on the outer end face of the motor casing and matched with the second limiting plate.

Further, the inner spigot and the second limiting plate are respectively positioned at two axial ends of the rim.

Further, the end face of the rim is provided with a plurality of positioning bosses which are arranged along the circumferential direction, and the inner spigot is arranged on the positioning bosses.

Further, a first fastening screw connected with the positioning boss is arranged on the first limiting plate in a penetrating mode.

Further, a positioning pin is arranged between the first limiting plate and the positioning boss.

Further, a second fastening screw connected with the motor shell is arranged on the second limiting plate in a penetrating mode.

Another object of the utility model is to provide a vehicle comprising an electric motor with a replaceable rim as described above.

In summary, the utility model has the following beneficial effects:

1. separating the rim from the motor housing, and when a problem occurs in the rim, only removing the old rim and then replacing a new rim; in the process of replacing the rim, the motor shell does not need to be disassembled, so that the air tightness of the motor shell can be ensured; moreover, only the rim is replaced, so that the cost can be reduced, the maintenance efficiency is improved, and the maintenance difficulty is reduced;

2. the connection structure of rim and core shell not only connects the steadiness good, easy to assemble moreover, also conveniently dismantles after long-time the use.

Drawings

Fig. 1 is a schematic view of the structure of a rim-replaceable motor in embodiment 1;

FIG. 2 is a schematic diagram showing a second structure of the rim-replaceable motor of embodiment 1;

FIG. 3 is a schematic diagram of a third embodiment of a rim-replaceable motor in accordance with example 1;

fig. 4 is a schematic diagram showing a structure of a rim-replaceable motor in embodiment 1;

fig. 5 is a schematic view of the rim in example 1.

In the figure: 1. a center shaft; 2. a movement case; 21. a first limiting plate; 3. an end cap; 4. a rim; 41. a second limiting plate; 42. a first positioning boss; 43. a second positioning boss; 51. a third fastening screw; 52. a first fastening screw; 53. a second fastening screw; 6. and (5) positioning pins.

Description of the embodiments

The present utility model will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Example 1:

a rim-replaceable motor, referring to fig. 1 to 5, comprises a motor housing, and a rim 4 detachably sleeved on the motor housing; in the embodiment, the rim 4 is separated from the motor shell, and when the rim 4 has a problem, only the old rim 4 needs to be disassembled and then a new rim 4 is replaced; in the process of replacing the rim 4, the motor shell does not need to be disassembled, so that the air tightness of the motor shell can be ensured; moreover, only the rim 4 is replaced, the cost can be reduced, the maintenance efficiency is improved, and the maintenance difficulty is reduced.

Referring to fig. 1 to 5, specifically, in this embodiment, the motor housing includes a core case 2 and an end cover 3, the inner side wall of the core case 2 is fixedly provided with magnetic steel, and the core case 2 and the end cover 3 are fixedly connected by a plurality of third fastening screws 51; the motor also comprises a center shaft 1, a bearing is arranged between the core shell 2 and the center shaft 1, and a bearing is arranged between the end cover 3 and the center shaft 1; in the embodiment, the rim 4 is sleeved on the core shell 2 along the axial direction, so that the device can be conveniently installed, and interference with the end cover 3 can be avoided; of course, in alternative embodiments, the motor housing may have other configurations, and is not limited in this regard.

Referring to fig. 1 to 5, preferably, an axial limit structure is provided between the rim 4 and the deck 2, so that the stability after connection can be ensured; specifically, in this embodiment, two axial limiting structures are disposed between the rim 4 and the movement case 2, and the two axial limiting structures are respectively located at two axial ends of the rim 4, so as to improve stability; specifically, the first axial limiting structure comprises a first limiting plate 21 arranged on the outer side wall of the movement shell 2, and an inner spigot arranged on the end face of the rim 4 and matched with the first limiting plate 21; the second axial limiting structure comprises a second limiting plate 41 arranged on the inner side wall of the rim 4 and an outer spigot which is arranged on the outer end surface of the core shell 2 and matched with the second limiting plate 41; wherein the first limiting plate 21 is annular and is positioned at one axial end of the movement case 2; the second limiting plate 41 is annular and is positioned at one axial end of the rim 4; specifically, the inner spigot and the second limiting plate 41 are located at both axial ends of the rim 4, respectively.

Referring to fig. 1 to 5, when mounted, the rim 4 is axially fitted over the deck 2 from the end of the deck 2 where the male end is provided; after the rim 4 is installed in place, the first limiting plate 21 is embedded in the inner spigot, and the second limiting plate 41 is embedded in the inner spigot; in the embodiment, the limiting plate is matched with the spigot, and two positions are adopted, so that the axial limiting effect can be achieved, the mounting is convenient, and the stability of the rim 4 after being connected with the core shell 2 can be improved; of course, in alternative embodiments, other axial limiting structures may be used between rim 4 and deck 2, without limitation.

Referring to fig. 1 to 5, preferably, the end surface of the rim 4 is provided with a plurality of first positioning bosses 42 uniformly distributed in the circumferential direction, and the end surface of the first positioning boss 42 is provided with an inner spigot which is matched with the first limiting plate 21; specifically, the first limiting plate 21 is provided with a first fastening screw 52 connected with the first positioning boss 42 in a penetrating manner; that is, the first positioning bosses 42 are adopted for contact positioning with the first limiting plates 21 and are in threaded connection with the first fastening screws 52, so that the structural strength of the rim 4 can be improved, the weight of the rim 4 is reduced, the first limiting plates 21 are favorably tightly attached to the first positioning bosses 42, and the positioning effect and the mounting accuracy are improved; preferably, the end surface of the rim 4 is also provided with two second positioning bosses 43 which are arranged oppositely, and the end surface of the second positioning boss 43 is provided with an inner spigot matched with the first limiting plate 21; meanwhile, a positioning pin 6 is arranged between the second positioning boss 43 and the first limiting plate 21; the positioning pin 6 can play a role in positioning when the rim 4 is connected with the movement shell 2, so that the first fastening screw 52 is convenient to install subsequently; meanwhile, the positioning pin 6 can also play a role in stopping rotation, so that the influence of the circumferential acting force between the rim 4 and the movement shell 2 on the first fastening screw 52 can be reduced or avoided, and the first fastening screw 52 can be conveniently and subsequently detached.

Referring to fig. 1 to 5, preferably, the second limiting plate 41 is provided with a second fastening screw 53 coupled to the deck 2; the number of the second fastening screws 53 is plural, and the plural second fastening screws 53 are uniformly distributed in the circumferential direction; in this embodiment, after the rim 4 is connected to the core shell 2, one end is fixedly connected by the first fastening screw 52, and the other end is fixedly connected by the second fastening screw 53, so that the connection stability of the rim 4 and the core shell 2 can be improved; simultaneously, adopt fastening screw to realize rim 4 and core shell 2's fixed connection promptly, also can realize the dismantlement between rim 4 and the core shell 2.

Referring to fig. 1 to 5, in this embodiment, after the rim 4 is connected to the movement case 2, two fastening screws achieve axial locking, and simultaneously, friction is generated between the first limiting plate 21 and the inner spigot, friction is generated between the second limiting plate 41 and the outer spigot, and the two friction and the positioning pin 6 cooperate together to achieve rotation stopping between the rim 4 and the movement case 2; that is, the connection structure of the rim 4 and the deck 2 in this embodiment is not only good in connection stability, but also convenient to install and detach after long-time use.

Example 2:

a vehicle, referring to fig. 1 to 5, comprising a rim-exchangeable motor of embodiment 1; wherein, the vehicle can be scooter or electric motor car etc..

Claims (8)

1. A rim-replaceable motor, characterized in that: comprises a motor shell and a rim detachably sleeved on the motor shell; an axial limiting structure is arranged between the rim and the motor shell; the axial limiting structure comprises a first limiting plate arranged on the outer side wall of the motor shell and an inner spigot arranged on the end face of the rim and matched with the first limiting plate.

2. The rim-replaceable motor of claim 1, wherein: the axial limiting structure further comprises a second limiting plate arranged on the inner side wall of the rim and an outer spigot arranged on the outer end face of the motor casing and matched with the second limiting plate.

3. The rim-replaceable motor of claim 2, wherein: the inner spigot and the second limiting plate are respectively positioned at two axial ends of the rim.

4. The rim-replaceable motor of claim 1, wherein: the end face of the rim is provided with a plurality of positioning bosses which are arranged along the circumferential direction, and the positioning bosses are provided with inner rabbets.

5. The rim-exchangeable motor of claim 4, wherein: and a first fastening screw connected with the positioning boss is arranged on the first limiting plate in a penetrating way.

6. The rim-exchangeable motor of claim 4, wherein: and a positioning pin is arranged between the first limiting plate and the positioning boss.

7. The rim-replaceable motor of claim 2, wherein: and a second fastening screw connected with the motor shell is arranged on the second limiting plate in a penetrating way.

8. A vehicle, characterized in that: an electric machine comprising a replaceable rim as claimed in any one of claims 1 to 7.