CN215792972U

CN215792972U - Detachable hub structure and hub motor

Info

Publication number: CN215792972U
Application number: CN202121950231.0U
Authority: CN
Inventors: 吴长江
Original assignee: Changzhou Daer Electromechanical Co ltd
Current assignee: Changzhou Daer Electromechanical Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-02-11
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses a detachable hub structure and a hub motor, which comprise a hub, wherein the hub comprises a hub shell, a motor cover and a hub cover ring, wherein one side of the hub shell is provided with a first rim, the other side of the hub shell is provided with an opening, the motor cover is used for covering the opening, the hub cover ring is connected to the side of the opening and is provided with a second rim, and the motor cover and the hub cover ring are detachably connected with the hub shell. According to the detachable hub structure and the hub motor provided by the utility model, the hub is formed by detachably connecting the hub shell, the motor cover and the rim cover ring, the rim cover ring is convenient to detach, a tire can be conveniently and quickly detached under the condition that the motor cover is not opened, and meanwhile, the convenient detachment of the motor cover and the rim cover ring is convenient to quickly open the hub to replace and maintain internal parts.

Description

Detachable hub structure and hub motor

Technical Field

The utility model relates to the technical field of hub motors, in particular to a detachable hub structure and a hub motor.

Background

The wheel hub motor technology is also called as the wheel built-in motor technology, and the most important characteristic is that the power, transmission and braking devices are integrated into the wheel hub. Therefore, the hub of the in-wheel motor generally includes a circular box-shaped hub shell with one side open and a motor cover, and the hub shell is covered by the motor cover after power, transmission and braking devices are integrated into the hub shell. The outer peripheral surface of the hub is provided with two raised rims for mounting a tire. In the prior art, two wheel rims are usually integrally cast with a hub shell and a motor cover, and are not detachable. Most of tires are solid tires or pneumatic tires, so that tire retreading is inconvenient, time and labor are wasted when the tires are disassembled, and inconvenience is caused. On the other hand, when parts in the hub are maintained, the tire needs to be detached firstly, and then the motor cover can be opened, so that the operation is not convenient enough.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the related art at least to a certain extent, the utility model aims to provide a detachable hub structure, wherein a hub is formed by detachably connecting a hub shell, a motor cover and a rim cover ring, the rim cover ring is convenient to detach, a tire can be conveniently and quickly detached under the condition that the motor cover is not opened, and meanwhile, the motor cover and the rim cover ring are convenient to detach, so that the hub is convenient to quickly open to replace and maintain internal parts. The utility model also aims to provide the hub motor comprising the detachable hub structure.

In order to achieve the purpose, the utility model provides a detachable hub structure which comprises a hub, wherein the hub comprises a hub shell, a motor cover and a rim cover ring, wherein one side of the hub shell is provided with a first rim, the other side of the hub shell is provided with an opening, the motor cover is used for covering the opening, the rim cover ring is connected to the other side of the hub shell and is provided with a second rim, and the motor cover and the rim cover ring are detachably connected with the hub shell.

Preferably, the motor cover is detachably connected with the hub shell, and the rim cover ring is detachably connected with the motor cover.

Preferably, the hub shell includes a rim between the first rim and the opening, and the rim cover ring includes a snap-fit cavity for the rim to extend into.

Preferably, the rim cover ring comprises a cover disc used for covering the motor cover and an annular clamping ring, the annular space of the clamping ring forms the buckling cavity, and the edge of the cover disc protrudes out of the outer peripheral surface of the clamping ring and forms the second rim.

Preferably, the motor cover comprises a chassis, a first boss protruding from the outer end face of the chassis along the radial direction, and a second boss protruding from the outer end face of the first boss along the radial direction, and a shaft hole is formed in the second boss; the inner end face of the chassis is used for abutting against the radial end face of the rim, the cover disc of the rim cover ring is used for abutting against the outer end face of the first boss, and the cover disc is provided with an avoiding opening for the second boss to extend out.

Preferably, a first connecting hole which is through is formed in the base plate, a second connecting hole which is a through hole is formed in the cover plate, an inner connecting hole which corresponds to the second connecting hole is formed in the second boss, and an avoiding groove which is communicated with the inner connecting hole is formed in the side wall of the second boss.

Preferably, a valve core inlet for a valve core to extend into is arranged on the rim cover ring, and an air passage for accommodating the valve core is arranged on the motor cover.

Preferably, the outer circumferential surface of the rim is provided with an inner tire groove which is inwards sunk along the radial direction.

Preferably, the hub shell includes a disc-shaped shell bottom, and an edge of the shell bottom protrudes from an outer circumferential surface of the rim and forms the first rim.

The utility model also provides a hub motor which is provided with the detachable hub structure.

The technical scheme provided by the application can comprise the following beneficial effects: in the technical scheme, the hub comprises a hub shell, a motor cover and a rim cover ring, wherein two rims are respectively arranged on the hub shell and the rim cover ring, and the rim cover ring and the motor cover are detachably connected with the hub shell; by the arrangement, the rim cover ring can be directly disassembled without disassembling the motor cover, the tire can be conveniently and quickly disassembled without opening the hub, convenience and quickness of tire disassembly are enhanced, the hub is prevented from being opened when only the tire is disassembled, and the protection of components such as a motor and a transmission in the hub is enhanced; meanwhile, the hub is convenient to maintain due to the split structure of the hub, and the internal parts are convenient to replace and maintain due to the fact that the hub is convenient to open due to the convenient disassembly of the motor cover and the rim cover ring.

The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the application are described in detail in the following.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic exploded view of a detachable hub structure according to an embodiment of the present invention;

FIG. 2 is a schematic view of a detachable hub assembly according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a detachable hub structure according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a motor cover according to an embodiment of the present invention.

In fig. 1-4:

1. a hub shell; 11. a shell bottom; 111. a first rim; 12. a rim; 121. an inner tire groove; 2. a motor cover; 21. a chassis; 211. a first connection hole; 22. a first boss; 221. a second connection hole; 222. avoiding the groove; 223. an airway; 23. a second boss; 3. a rim cover ring; 31. a cover plate; 311. a second rim; 312. a valve core inlet; 32. and a collar.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

The purpose of this embodiment provides a can dismantle wheel hub structure, and wheel hub is by wheel hub shell, motor lid and rim lid circle triplex can dismantle the connection and constitute, and rim lid encloses convenient to detach, can be under the convenient quick dismantlement tire of the condition of not opening the motor lid, and simultaneously, the convenient dismantlement nature of motor lid and rim lid circle is convenient for open wheel hub fast and is changed and maintain internal parts. The purpose of this embodiment is also to provide an in-wheel motor that includes above-mentioned detachable hub structure.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the scope of the utility model described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the utility model described in the claims.

Referring to fig. 1-4, the present embodiment provides a detachable hub structure, which includes a hub, the hub includes a hub shell 1, a motor cover 2 and a rim cover ring 3, a first rim 111 is disposed on one side of the hub shell 1 along an axial direction, an opening for placing components such as a power supply, a steering component and the like is disposed on the other side of the hub shell, the motor cover 2 is used for covering the opening, the rim cover ring 3 is connected to the opening and is provided with a second rim 311, and the motor cover 2 and the rim cover ring 3 are both detachably connected to the hub shell 1. With such arrangement, the detachable hub structure provided by the embodiment can directly detach the rim cover ring 3 without detaching the motor cover 2, and can conveniently and quickly detach a tire without opening the hub, so that convenience, convenience and quickness of detaching the tire are enhanced, the hub is prevented from being opened when only the tire is detached, and the protection of components such as a motor and a transmission in the hub is enhanced; meanwhile, the hub is convenient to maintain due to the split structure of the hub, and the internal parts are convenient to replace and maintain due to the fact that the motor cover 2 and the rim cover ring 3 are convenient to disassemble and can be quickly opened.

The motor cover 2 is detachably connected with the hub shell 1, and the rim cover ring 3 is detachably connected with the motor cover 2. So set up, rim lid circle 3 direct dismantlement can, can not influence the connection of motor lid 2 and wheel hub shell 1.

Specifically, the hub shell 1 includes a disk-shaped shell bottom 11 and a rim 12 connected to a side surface of the shell bottom 11, a diameter of the shell is larger than a diameter of the rim 12, and an edge of the shell bottom 11 protrudes in a radial direction from an outer circumferential surface of the rim 12 to form a first rim 111. The motor cover 2 is connected with the rim 12 and covers the opening. The rim cover ring 3 comprises a buckling cavity for the rim 12 to extend into and is buckled with the hub shell 1. So set up, both connect firmly, can cover motor cover 2 and open-ended junction again, strengthen the inside sealed effect to wheel hub, prevent effectively that external impurities such as dust from getting into wheel hub inside, strengthened the protectiveness to parts such as inside motor of wheel hub, transmission.

The rim cover ring 3 comprises a cover disc 31 and an annular clamping ring 32, the cover disc 31 is used for covering the motor cover 2, the annular space of the clamping ring 32 forms a buckling cavity, the diameter of the cover disc 31 is larger than that of the clamping ring 32, and the edge of the cover disc 31 protrudes out of the outer peripheral surface of the clamping ring 32 along the radial direction and forms a second rim 311. The inner diameter of the collar 32 is matched to the outer diameter of the rim 12 to engage the rim cover 3 with the hub shell 1.

The motor cover 2 includes a chassis 21, a first boss 22 protruding from an outer end face of the chassis 21 along a radial direction, and a second boss 23 protruding from an outer end face of the first boss 22 along the radial direction, and the second boss 23 is provided with a shaft hole for a wheel shaft to pass through. The base plate 21 is adapted to be removably coupled to the rim 12 of the hub shell 1, the first bosses 22 are adapted to be removably coupled to the rim cover 3, and the second bosses 23 are adapted to be coupled to and engage the axle. With the arrangement, the structure is clear and reasonable, and the use is convenient.

The inner end surface of the chassis 21 is adapted to abut against the radial end surface of the rim 12, and preferably, the outer diameter of the chassis 21 may match the outer diameter of the rim 12. The chassis 21 is provided with a first through hole 211, and the rim 12 is provided with a threaded hole or a bolt hole corresponding to the first through hole 211. The chassis 21 and the rim 12 are connected by screws or bolts.

The cover disc 31 of the rim cover ring 3 is used for being attached to and abutted against the outer end face of the first boss 22, and the cover disc 31 is provided with an avoiding opening for the second boss 23 to extend out. So set up, both can shroud the junction of motor cover 2 and wheel hub shell 1, reinforcing leakproofness can not influence being connected of motor cover 2 and wheel hub shell 1 again, can not influence being connected of wheel hub shell 1, motor cover 2 and shaft yet, does not influence wheel hub's application. It should be noted that the inner and outer of the inner and outer end faces are relative to the inner and outer of the hub. The direction towards the inside of the hub is interior, the direction towards the outside of the hub is exterior, the end surface closer to the inside of the hub is an inner end surface, and the end surface closer to the outside of the hub is an outer end surface.

The cover plate 31 is provided with a second connecting hole 221 which is a through hole, the second boss 23 is provided with an inner connecting hole corresponding to the second connecting hole 221, and the cover plate 31 is connected with the motor cover 2 through a screw or a bolt. And be provided with on the lateral wall of second boss 23 and dodge recess 222 with the intercommunication of internal connecting hole, as shown in fig. 4, dodge the notch of recess 222 and be located the lateral wall of second boss 23, the internal connecting hole is located dodge recess 222's lateral wall and be linked together with the inslot space, the axial syntropy extension of notch and internal connecting hole, so, form one and be convenient for to screw and bolt install and the dodge space of dismantling.

In some applications, a tire with a tire tube is mounted on the hub, and therefore, in this embodiment, the outer circumferential surface of the rim 12 is provided with a tire tube groove 121 which is recessed in the radial direction, one sidewall of the tire tube groove 121 is formed by the outer circumferential surface of the rim 12, the other sidewall can be formed by an area on the collar 32, and the collar 32 is provided with an inclined surface which is arranged at a position close to the rim of the rim 12 in the radial direction, and the inclined surface forms the other sidewall of the tire tube groove 121 after the collar 32 is fastened to the rim 12.

Meanwhile, a valve core inlet 312 for a valve core to extend into is arranged on the rim cover ring 3, and an air passage 223 for accommodating the valve core is arranged on the motor cover 2. One end of the air passage 223 is communicated with the valve core inlet 312, and the other end is used for being communicated with the inner tube groove 121.

The embodiment also provides a hub motor, which is provided with the detachable hub structure in the embodiment, so that the hub motor provided by the embodiment can directly detach the rim cover ring 3 without detaching the motor cover 2, and can conveniently and quickly detach a tire without opening the hub, thereby enhancing the convenience, convenience and quickness of detaching the tire, avoiding opening the hub when only detaching the tire, and enhancing the protection of components such as a motor and transmission in the hub; meanwhile, the hub is convenient to maintain due to the split structure of the hub, and the internal parts are convenient to replace and maintain due to the fact that the motor cover 2 and the rim cover ring 3 are convenient to disassemble and can be quickly opened. The derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effect brought by the detachable hub structure, and is not repeated herein.

It should be noted that the terms "first," "second," and the like, as used herein, are not intended to limit the specific order, but merely to distinguish one element or function from another. The stated "horizontal", "vertical", "up", "down", "left" and "right" are the ones that refer to when the detachable hub structure is in the natural state of arrangement.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The multiple schemes provided by the utility model comprise basic schemes, are independent from each other and are not restricted with each other, but can be combined with each other under the condition of no conflict, so that multiple effects are realized together.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a can dismantle wheel hub structure, its characterized in that, including wheel hub, wheel hub includes that one side is equipped with first rim (111) opposite side and is equipped with open-ended wheel hub shell (1), is used for the lid to close open-ended motor lid (2) and connect the opposite side is and be equipped with rim lid circle (3) of second rim (311), motor lid (2) and with rim lid circle (3) all with wheel hub shell (1) detachably connects.

2. A detachable hub structure according to claim 1, wherein said motor cover (2) is detachably connected to said hub shell (1), and said rim cover rim (3) is detachably connected to said motor cover (2).

3. A demountable hub structure according to claim 2, wherein said hub shell (1) comprises a rim (12) between said first rim (111) and said opening, said rim cover ring (3) comprising a snap-fit cavity for said rim (12) to extend into.

4. A demountable hub structure according to claim 3, wherein said rim cover ring (3) comprises a cover disc (31) for covering said motor cover (2) and a collar (32) in an annular shape, an annular space of said collar (32) forming said snap-fit cavity, an edge of said cover disc (31) protruding from an outer circumferential surface of said collar (32) and forming said second rim (311).

5. A detachable hub structure according to claim 4, wherein the motor cover (2) comprises a chassis (21), a first boss (22) axially protruding from the outer end face of the chassis (21), and a second boss (23) axially protruding from the outer end face of the first boss (22), and a shaft hole is formed in the second boss (23); the inner end face of the chassis (21) is used for abutting against the radial end face of the rim (12), the cover disc (31) of the rim cover ring (3) is used for abutting against the outer end face of the first boss (22), and an avoiding opening for the second boss (23) to extend out is formed in the cover disc (31).

6. A detachable hub structure according to claim 5, wherein the base plate (21) is provided with a first through hole (211), the cover plate (31) is provided with a second through hole (221), the second boss (23) is provided with an inner connection hole corresponding to the second through hole (221), and the side wall of the second boss (23) is provided with an escape groove (222) communicating with the inner connection hole.

7. A demountable hub structure according to claim 1, wherein said rim cover rim (3) is provided with a valve core inlet (312) for a valve core to extend into, and said motor cover (2) is provided with an air passage (223) for receiving said valve core.

8. A demountable hub structure according to claim 3, wherein said rim (12) is provided with radially inwardly recessed inner tire grooves (121) on its outer circumferential surface.

9. A demountable hub structure according to claim 3, wherein said hub shell (1) comprises a shell bottom (11) having a disc shape, an edge of said shell bottom (11) protruding from an outer circumferential surface of said rim (12) and forming said first rim (111).

10. An in-wheel motor, characterized in that a demountable hub structure according to any one of claims 1-9 is provided.