CN213565248U

CN213565248U - Electric hub structure

Info

Publication number: CN213565248U
Application number: CN202022813868.7U
Authority: CN
Inventors: 徐咏杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-06-29
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses an electric wheel hub structure relates to electric wheel hub's technical field, and its technical scheme main points are including rim and inner tube, the inner tube include barrel and end cover, end cover middle part seted up the mounting hole, the barrel keep away from end cover one side be equipped with the rim portion of bending of mutually supporting, the portion of bending with the rim between be equipped with the connection the rim with the go-between of barrel, the go-between with the portion of bending can dismantle fixed connection, the technological effect has the higher advantage of simple structure and intensity.

Description

Electric hub structure

Technical Field

The utility model relates to an electronic wheel hub's technical field, in particular to electronic wheel hub structure.

Background

An electric wheel hub structure is usually used on the existing electric vehicle, the electric wheel hub structure combines a driving motor, a tire and the like together to form a whole, the driving of the electric vehicle is realized, and the electric vehicle has the advantages of safety, stability, compact structure and the like. The electric hub structure on the market at present is a split type, and comprises a rim, an inner ring and an aluminum alloy cover plate and the like, wherein the two sides of the inner ring are fixed through screws and are used for sealing.

Chinese patent discloses an electric hub structure [ publication number: CN210760051U, comprising a rim and an inner cylinder; the inner cylinder comprises a cylinder body and an end cover positioned at one end of the cylinder body, the other end of the cylinder body is provided with a connecting part formed by continuously bending for many times towards the direction of the outer peripheral surface of the cylinder body, the end cover and the connecting part are integrally formed, a closed installation cavity is formed between the connecting part and the outer peripheral surface of the cylinder body, and an insert is embedded in the installation cavity; the rim is sleeved outside the cylinder body, the inner side of the rim is welded with the connecting part, and a supporting part is fixedly arranged between the rim and the inner cylinder; the middle part of the end cover is provided with a mounting hole for mounting a bearing.

The electric hub is complex in structure, a threaded hole is difficult to punch on the insert, small pieces of materials are prone to being scrapped, manufacturing cost is increased, and punching on the insert with small area can reduce strength of the insert.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electronic wheel hub structure, it has the higher advantage of simple structure and intensity.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an electronic wheel hub structure, includes rim and inner tube, the inner tube include barrel and end cover, end cover middle part seted up the mounting hole, the barrel keep away from end cover one side be equipped with the rim portion of bending of mutually supporting, the portion of bending with the rim between be equipped with the connection the rim with the go-between of barrel, the go-between with the portion of bending between fixed connection.

Through adopting above-mentioned technical scheme, adopt the go-between of whole circle to connect for the structure is more stable, and the intensity of whole product, the setting of the portion of bending can support the rim, and the sealed effect that is better.

Further setting: the bending part comprises an annular ring fixedly connected with the barrel, a sealing ring plate tightly attached to the rim is fixedly arranged on the outer circular surface of the annular ring, a plurality of first threaded holes are formed in the annular ring, and second threaded holes in one-to-one correspondence to the first threaded holes are formed in the connecting ring.

Through adopting above-mentioned technical scheme, the first screw hole of this product sets up respectively with the second screw hole and links to change and ring with the annular, the setting of whole annular structure can avoid certain position to punch inaccurately and influence the secondary and punch, thereby reduce the disability rate, the sealing washer version is closely laminated with the rim, can avoid ponding in the gap, thereby avoid the product to rust and influence life-span, compare with current equipment, the gap that this product formed still less, and can form airtight space, thereby greatly increased the life of product.

Further setting: the outer end face of the end cover is provided with a U-shaped mounting groove, a brake shell is fixedly arranged in the U-shaped mounting groove, and a protective ring is arranged in the brake shell.

By adopting the technical scheme, the brake shell and the end cover in the device can adopt a welding mode, and the U-shaped mounting groove is favorable for positioning and mounting the brake shell, so that the operation of the subsequent welding process is facilitated, and the displacement of the brake shell can be avoided.

Further setting: and a plurality of reinforcing ribs are arranged on the outer end face of the end cover.

Through adopting above-mentioned technical scheme, the intensity of end cover can further be increased in the setting of strengthening rib.

Further setting: the mounting hole is arranged on a matching ring matched with the bearing mounting seat, and the matching ring and the end cover are integrally formed.

Through adopting above-mentioned technical scheme, adopt bearing mount pad and cooperation ring to mutually support, be favorable to keeping bearing mount pad's stability.

Further setting: the bearing mounting seat comprises a large circular ring and a small circular ring; the matching ring comprises a large circular plate and a small circular plate; the outer arc surface of the large circular ring is mutually attached to the inner arc surface of the large circular plate, the mounting hole is formed in the small circular plate, the diameter of the mounting hole is smaller than that of the outer arc surface of the large circular ring, and the diameter of the mounting hole is consistent with that of the outer arc surface of the small circular ring.

Through adopting above-mentioned technical scheme, small circle board can support whole bearing mount pad for the bearing mount pad is more stable, and big ring and big circular slab mutually support, can tentatively install the bearing mount pad on the end cover, is favorable to follow-up welding operation.

Further setting: the fixing mode between the cylinder and the hub and between the sealing ring plate and the hub adopts a welding mode.

Through adopting above-mentioned technical scheme, adopt the welded mode to make and connect more closely between each structure.

Drawings

FIG. 1 is a block diagram of the present invention;

fig. 2 is a sectional schematic view of the present invention;

FIG. 3 is an enlarged view of position A of FIG. 2;

in the figure, a rim 1, an inner cylinder 2, a mounting hole 20, a cylinder 21, an end cover 22, a U-shaped mounting groove 23, a brake shell 24, a protective ring 25, a reinforcing rib 26, a matching ring 27, a large circular plate 271, a small circular plate 272, a bent part 3, an annular ring 31, a sealing ring plate 32, a first threaded hole 33, a connecting ring 4, a second threaded hole 41, a bearing mounting seat 5, a large circular ring 51 and a small circular ring 52.

Detailed Description

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

The utility model provides an electric wheel hub structure, as shown in fig. 1, fig. 2, fig. 3, an electric wheel hub structure, including rim 1 and inner tube 2, inner tube 2 includes barrel 21 and end cover 22, and mounting hole 20 has been seted up at end cover 22 middle part, and barrel 21 keeps away from end cover 22 one side and is equipped with the portion of bending 3 of mutually supporting with rim 1, is equipped with the go-between 4 of connecting rim 1 with barrel 21 between the portion of bending 3 and the rim 1, go-between 4 can dismantle fixed connection with the portion of bending 3.

Specifically, the bending portion 3 includes an annular ring 31 fixedly connected to the cylinder 21, a sealing ring plate 32 tightly attached to the rim 1 is fixedly disposed on an outer circumferential surface of the annular ring 31, a plurality of first threaded holes 33 are disposed on the annular ring 31, second threaded holes 41 corresponding to the first threaded holes 33 are disposed on the connecting ring 4, the annular ring 31, the sealing ring plate 32 and the cylinder 21 are integrally formed, the first threaded holes 33 and the second threaded holes 41 are disposed in one-to-one correspondence, and 4-10 threaded holes can be disposed, so that stable connection can be ensured without affecting strength of the connecting ring, processing cost can be reduced, the first threaded holes 33 and the second threaded holes 41 can be disposed in a circular array, stress points are more uniform, the first threaded holes 33 and the second threaded holes 41 in the device can be processed after the connecting ring 4 and the cylinder 21 and the sealing ring plate 32 are welded to the rim 1, and the first threaded holes 33 and the second threaded holes 41 can be directly processed simultaneously by tapping, the processing is more convenient, and the first threaded hole 33 and the second threaded hole 41 can be reinforced by external screws for the second time.

Specifically, the outer end face of the end cover 22 is provided with a U-shaped mounting groove 23, a brake housing 24 is fixedly arranged in the U-shaped mounting groove 23, and a protective ring 25 is arranged in the brake housing.

Specifically, the end cap 22 has a plurality of ribs 26 on its outer end surface, and the ribs 25 can be fixed to the end cap 22 by welding or screwing.

Specifically, the mounting hole 20 is provided in a fitting ring 27 fitted to the bearing mount 5, and the fitting ring 27 is integrally formed with the end cap 22.

Further, the bearing mount 5 includes a large ring 51 and a small ring 52; mating ring 27 includes a large circular plate 271 and a small circular plate 272; the outer arc surface of big ring 51 and the interior arc surface of big ring board 271 laminate each other, mounting hole 20 sets up on little plectane 272, and its diameter is less than the outer disc diameter of big ring 51, the diameter of mounting hole 20 keeps unanimous with the outer disc diameter of little plectane 52, the diameter of the outer arc surface of big ring 51 in this device can be big 0.1 ~ 1mm than the diameter of the interior arc surface of big plectane 271, be convenient for pre-installation of bearing mount pad 5, can set up a plurality of interpolation material holes or interpolation groove simultaneously on big ring board 271, the welding wire of being convenient for inserts, make the welding effect better.

Furthermore, the fixing mode between the cylinder 21 and the hub 1 and the fixing mode between the sealing ring plate 32 and the hub 1 adopt a welding mode, the connection between the two structures in the device can adopt a welding mode, and the coating can be sprayed at the welding position, so that the problem that the strength of the welding structure is reduced due to oxidation and rust at the connecting position of the welding structure is solved.

The above-mentioned embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.

Claims

1. The utility model provides an electronic wheel hub structure, includes rim (1) and inner tube (2), inner tube (2) including barrel (21) and end cover (22), end cover (22) middle part seted up mounting hole (20), barrel (21) keep away from end cover (22) one side be equipped with rim (1) portion of bending (3), its characterized in that mutually support: the wheel rim is characterized in that a connecting ring (4) for connecting the wheel rim (1) and the barrel body (21) is arranged between the bending part (3) and the wheel rim (1), and the connecting ring (4) is fixedly connected with the bending part (3).

2. A motorized hub structure, according to claim 1, wherein: bend portion (3) including with barrel (21) fixed connection's annular ring (31), the outer disc of annular ring (31) on set firmly with rim (1) the tight sealing ring board (32) of laminating, annular ring (31) on be equipped with a plurality of first screw holes (33), go-between (4) on be equipped with first screw hole (33) one-to-one second screw hole (41).

3. A motorized hub structure, according to claim 1, wherein: the outer end face of the end cover (22) is provided with a U-shaped mounting groove (23), a brake shell (24) is fixedly arranged in the U-shaped mounting groove (23), and a protective ring (25) is arranged in the brake shell.

4. A motorized hub structure according to any one of claims 1 to 3, characterised in that: the outer end face of the end cover (22) is provided with a plurality of reinforcing ribs (26).

5. A motorized hub structure, according to claim 1, wherein: the mounting hole (20) is formed in a matching ring (27) matched with the bearing mounting seat (5), and the matching ring (27) and the end cover (22) are integrally formed.

6. A motorized hub structure, according to claim 5, wherein: the bearing mounting seat (5) comprises a large circular ring (51) and a small circular ring (52); the matching ring (27) comprises a large circular plate (271) and a small circular plate (272); the outer arc surface of the large circular ring (51) is attached to the inner arc surface of the large circular plate (271), the mounting hole (20) is formed in the small circular plate (272) and is smaller than the outer arc surface of the large circular ring (51), and the diameter of the mounting hole (20) is consistent with the diameter of the outer arc surface of the small circular ring (52).

7. A motorized hub structure, according to claim 2, wherein: the fixing mode between the cylinder body (21) and the rim (1) and between the sealing ring plate (32) and the rim (1) adopts a welding mode.