CN217456252U

CN217456252U - Split type wheel hub motor for scooter

Info

Publication number: CN217456252U
Application number: CN202221869830.4U
Authority: CN
Inventors: 潘海杰
Original assignee: Taizhou Wanbo Electromechanical Technology Co ltd
Current assignee: Taizhou Wanbo Electromechanical Technology Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-09-20
Anticipated expiration: 2032-07-20

Abstract

The utility model discloses a split type in-wheel motor is used to scooter, including the wheel hub main part, left end lid and right-hand member lid, be equipped with basic flange in the wheel hub main part, the inboard an organic whole of wheel hub main part is equipped with the junk ring, the both sides of wheel hub main part evenly are provided with the through-hole around the axle center, wheel hub main part both sides are equipped with spacing rank face and spacing butt face, left end lid and right-hand member are covered and are provided with the bulge loop body, the outer lane and the spacing rank face of bulge loop body are hugged closely mutually, the terminal surface butt of bulge loop body is on spacing butt face, be provided with the bolt mounting hole on the left end lid, the right-hand member is covered and is provided with the screw hole, install fixing bolt on the bolt mounting hole, fixing bolt passes through-hole and screw hole erection joint, be equipped with material reduction hole I and material reduction hole II in the wheel hub main part, left end lid and right-hand member are covered and are equipped with material reduction hole III, left end lid an organic whole is equipped with spacing flange. The utility model has the characteristics of split type structure, dismouting maintenance convenience, convenient to detach tire, reach lightweight, reduce cost and end cover equipment location nature height.

Description

Split type wheel hub motor for scooter

Technical Field

The utility model belongs to the technical field of the in-wheel motor, concretely relates to split type in-wheel motor for scooter.

Background

Along with the development of economy, social problems such as energy shortage, increasingly serious automobile emission pollution, common urban traffic jam and the like are increasingly shown. In recent years, electric scooters are a new short-distance transportation tool, and are popular among consumers because they can be carried around. The existing scooter is generally provided with a battery and a hub motor so as to facilitate the riding instead of walking. For the portable of scooter, the whole requirement of structure of scooter is comparatively compact, so the structure of in-wheel motor also designs comparatively compactly.

At present, scooter on the market, the outer lane of its wheel hub is provided with the flange, this flange can be to the spacing installation of tire, and end cover about wheel hub's both sides installation, under the condition that the tire damaged appears, then need dismantle or change the tire, because the height that the flange extends is higher, make in the tire embedding flange darker, this is dismantled for taking off the tire and has brought very big difficulty, then the end cover is only to maintain inner structure about dismantling, and can not be convenient for dismantle the tire and maintain, the practicality remains to be improved. Secondly, the problem that the existing hub motor is heavy and not light enough is solved, and the production cost is high. In addition, the assembly positioning of the end cover and the hub is to be improved, and thus there is a need for improvement.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a split type wheel hub motor is used to scooter has split type structure, dismouting maintenance convenience, convenient to detach tire, reduction in weight and reaches lightweight, reduction in production cost and the high characteristics of end cover equipment location nature.

In order to achieve the above object, the utility model provides a following technical scheme: a split type hub motor for a scooter comprises a hub main body, a left end cover and a right end cover, wherein a basic flange is arranged on the hub main body, a lining ring is integrally arranged on the inner side of the hub main body, through holes are uniformly formed in two sides of the hub main body around an axis, a limiting step surface and a limiting butt surface are arranged on two sides of the hub main body, a convex ring body is arranged on each of the left end cover and the right end cover, the outer ring of each convex ring body is tightly attached to the limiting step surface, the end surface of each convex ring body is butted on the limiting butt surface, a bolt mounting hole corresponding to each through hole is formed in the left end cover, a threaded hole is formed in the right end cover, a fixing bolt is mounted on each bolt mounting hole, the fixing bolt penetrates through each through hole to be mounted and connected with the threaded hole, a material reducing hole I and a material reducing hole II are formed in the hub main body, and a material reducing hole III is formed in each of the left end cover and the right end cover, the left end cover and the right end cover are integrally provided with limiting flanges, and the limiting flanges are abutted to the end faces of the hub main body.

As a further improvement, the hub main body is made of plastic.

As a further improvement of the utility model, be provided with the air cock mouth on the left end cover, be provided with the air cock groove corresponding with the air cock mouth in the wheel hub main part.

As a further improvement, the inside center of left end cover and right-hand member lid is provided with the axle boss, the outer edge of axle boss is provided with the reinforcement body.

As a further improvement of the utility model, a guiding arc is arranged on the basic flange.

As a further improvement, the number of the fixing bolts is 8, and the fixing bolts are uniformly arranged around the axis.

After the structure is adopted, compared with the prior art, the utility model the advantage that has is: the utility model has the advantages of simple and reasonable structure, be split type structure, left end lid and right-hand member lid are installed with the wheel hub main part through the bulge loop body, and the outer lane of bulge loop body is hugged closely with spacing step face this moment, and the terminal surface butt of bulge loop body is on spacing butt face, then passes the through-hole through fixing bolt and screw hole erection joint, reaches better location installation nature to it is very convenient to dismantle or install; because the left end cover and the right end cover are integrally provided with the limiting flange, the limiting flange is higher than the basic flange of the hub main body, for the installation of the tire, a deeper tire embedding opening is formed by the limiting flange and the basic flange, the installation of the tire can be well limited, when the tire has a problem, the left end cover and the right end cover can be taken out by disassembling the fixing bolt, only the basic flange is remained for limiting the installation of the tire, the tire disassembly can be carried out only by slightly exerting force because the basic flange is shallower compared with the prior art, the convenience of tire disassembly is greatly enhanced, and meanwhile, the hub can be conveniently and quickly opened to replace and maintain the internal parts; the lining ring is integrally arranged on the inner side of the hub main body, so that the integral strength is better; through the setting that subtracts material hole I, subtract material hole II and subtract material hole III, can reduce in-wheel motor's whole weight greatly, reach the lightweight to make scooter whole weight reduce, manufacturing cost greatly reduced.

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 serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the split structure of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic structural view of the hub body of the present invention;

in the figure: 10. a hub body; 11. a left end cap; 12. a right end cap; 13. a base flange; 14. a gasket; 15. a through hole; 16. a limiting step surface; 17. a limiting abutting surface; 18. a convex ring body; 19. a bolt mounting hole; 20. a threaded hole; 21. fixing the bolt; 22. a material reducing hole I; 23. a material reducing hole II; 24. a material reducing hole III; 25. a limiting flange; 26. an air nozzle opening; 27. an air nozzle groove; 28. a shaft boss; 29. reinforcing the body; 30. and guiding the arc.

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.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a split type hub motor for a scooter comprises a hub main body 10, a left end cover 11 and a right end cover 12, wherein a basic flange 13 is arranged on the hub main body 10, a lining 14 is integrally arranged on the inner side of the hub main body 10, through holes 15 are uniformly formed in two sides of the hub main body 10 around an axis, a limiting step surface 16 and a limiting abutting surface 17 are arranged on two sides of the hub main body 10, a convex ring body 18 is arranged on the left end cover 11 and the right end cover 12, the outer ring of the convex ring body 18 is tightly attached to the limiting step surface 16, the end surface of the convex ring body 18 abuts against the limiting abutting surface 17, a bolt mounting hole 19 corresponding to the through hole 15 is arranged on the left end cover 11, a threaded hole 20 is arranged on the right end cover 12, a fixing bolt 21 is arranged on the bolt mounting hole 19, the fixing bolt 21 passes through the through hole 15 to be mounted and connected with the threaded hole 20, a material reducing hole I22 and a material reducing hole II23 are arranged on the hub main body 10, a material reducing hole III24 is arranged on the left end cover 11 and the right end cover 12, the left end cover 11 and the right end cover 12 are integrally provided with a stopper flange 25, and the stopper flange 25 abuts against the end surface of the hub main body 10.

In the embodiment, the structure is simple and reasonable, the wheel hub is of a split structure, the left end cover 11 and the right end cover 12 are installed with the wheel hub main body 10 through the convex ring body 18, the outer ring of the convex ring body 18 is clung to the limiting step surface 16 at the moment, the end surface of the convex ring body 18 abuts against the limiting abutting surface 17, and then the fixing bolt 21 penetrates through the through hole 15 to be installed and connected with the threaded hole 20, so that the good positioning installation performance is achieved, and the wheel hub is very convenient to detach or install; because the left end cover 11 and the right end cover 12 are integrally provided with the limit flange 25, the limit flange 25 is higher than the basic flange 13 of the hub main body 10, for the installation of the tire, a deeper tire embedding opening is formed by the limit flange 25 and the basic flange 13, the installation of the tire can be well limited, when the tire has a problem, the left end cover 11 and the right end cover 12 can be taken out by disassembling the fixing bolt 21, only the basic flange 13 is remained for the limited installation of the tire, and because the basic flange 13 is shallower compared with the prior art, the tire can be disassembled by slightly exerting force, the convenience of disassembling the tire is greatly enhanced, and meanwhile, the hub can be conveniently and quickly opened to replace and maintain internal parts; a lining ring 14 is integrally arranged on the inner side of the hub main body 10, so that the integral strength is better; through the setting that subtracts material hole I22, subtract material hole II23 and subtract material hole III24, can reduce in-wheel motor's whole weight greatly, reach the lightweight to make scooter whole weight reduce, manufacturing cost greatly reduced.

Specifically, the foundation flange is shallow, and the tire is very convenient to disassemble. The structure of the lining ring and the hub main body in the existing market also adopts a split structure, and the integral structure has better effect. The utility model discloses carry out one-way fixing bolt fixed, can reach left end lid and right-hand member lid installation, can adopt two-way fixing bolt to fix in the wheel hub main part certainly, set up in the wheel hub main part corresponding screw hole can, can reach the same effect equally.

Further, the hub body 10 is made of plastic.

In this embodiment, the hub body 10 is made of plastic, so that compared with the existing metal technology, the weight and cost are greatly reduced, and the use effect is improved to a certain extent.

Further, the left end cap 11 is provided with an air nozzle opening 26, and the hub body 10 is provided with an air nozzle groove 27 corresponding to the air nozzle opening 26.

In this embodiment, the structure is used to install the air nozzle, and during the installation of the left end cap 11 and the right end cap 12, the air nozzle opening 26 is aligned with the air nozzle groove 27, so as to facilitate the oriented installation of the left end cap 11 and the right end cap 12.

Further, the inner centers of the left and right end caps 11 and 12 are provided with shaft bosses 28, and the outer edges of the shaft bosses 28 are provided with reinforcing bodies 29.

In the present embodiment, the reinforcing body 29 can greatly enhance the strength of the shaft boss 28, improving its normal usability.

Further, the base flange 13 is provided with a guide arc 30.

In this embodiment, the guide arcs 30 are used for tire guiding mounting.

Further, the number of the fixing bolts 21 is 8, and the fixing bolts are uniformly arranged around the axis.

In this embodiment, the number of fixing bolts 21 is 8, and evenly set up around the axle center, and this structure makes left end cover 11 and right end cover 12 firm in installation, and installation strength is higher.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a split type wheel hub motor for scooter which characterized in that: the hub comprises a hub main body (10), a left end cover (11) and a right end cover (12), wherein a basic flange (13) is arranged on the hub main body (10), a lining ring (14) is integrally arranged on the inner side of the hub main body (10), through holes (15) are uniformly formed in the two sides of the hub main body (10) around an axis, a limiting step surface (16) and a limiting abutting surface (17) are arranged on the two sides of the hub main body (10), a convex ring body (18) is arranged on the left end cover (11) and the right end cover (12), the outer ring of the convex ring body (18) is tightly attached to the limiting step surface (16), the end surface of the convex ring body (18) abuts against the limiting abutting surface (17), a bolt mounting hole (19) corresponding to the through hole (15) is formed in the left end cover (11), a threaded hole (20) is formed in the right end cover (12), and a fixing bolt (21) is mounted in the bolt mounting hole (19), fixing bolt (21) pass through-hole (15) and screw hole (20) erection joint, be provided with on wheel hub main part (10) and subtract material hole I (22) and subtract material hole II (23), be provided with on left end lid (11) and the right-hand member lid (12) and subtract material hole III (24), left end lid (11) and right-hand member lid (12) an organic whole are provided with limit flange (25), limit flange (25) butt is on the terminal surface of wheel hub main part (10).

2. The split hub motor for scooter of claim 1, wherein: the hub main body (10) is made of plastic.

3. The split hub motor for scooter of claim 1, wherein: an air nozzle opening (26) is formed in the left end cover (11), and an air nozzle groove (27) corresponding to the air nozzle opening (26) is formed in the hub main body (10).

4. The split hub motor for scooter of claim 1, wherein: the inner centers of the left end cover (11) and the right end cover (12) are provided with shaft bosses (28), and the outer edges of the shaft bosses (28) are provided with reinforcing bodies (29).

5. The split hub motor for scooter of claim 1, wherein: the base flange (13) is provided with a guide arc (30).

6. The split hub motor for scooter of claim 1, wherein: the number of the fixing bolts (21) is 8, and the fixing bolts are uniformly arranged around the axis.