CN2876451Y

CN2876451Y - Electric vehicle gear housing structure

Info

Publication number: CN2876451Y
Application number: CNU2005201303898U
Authority: CN
Inventors: 鲁发训
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-10-31
Filing date: 2005-10-31
Publication date: 2007-03-07
Anticipated expiration: 2015-10-31

Abstract

The utility model relates to a gear shell structure of an electric vehicle, which consists of an outer shell, a gear set and a motor; a hollow convex column is convexly arranged in the outer shell, a shell cover is locked at one side of the outer shell, a gear set is arranged in the outer shell and the shell cover, the gear set is formed by mutually meshing a plurality of gears, and a motor is utilized to drive the gear set, wherein, a reinforcing plate is respectively and fixedly arranged at the outer sides of the outer shell and the shell cover, a driving lug of the gear set is provided with an annular concave groove for positioning a shaft sleeve, and one end of the shaft sleeve is used for leaning against a driving block, so that the driving block can be connected on the driving lug of the gear set; therefore, the transmission shaft can be prevented from being distorted, and the structure strength is enhanced.

Description

Electric motor car gear hub body structure

(1) technical field:

A kind of electric motor car gear hub of the utility model body structure refers to a kind of gear housing especially, belongs to electric accessory motor.

(2) background technique:

Please cooperate and consult Fig. 6 and shown in Figure 8, it is known electric motor car gear hub body structure, and it is mainly formed (as shown in Figure 6) by a frame 60, a gear train 70 and a motor 80;

The desired location of these frame 60 inside is convexly equipped with out more than one hollow convex column 61, and the solid cap 62 of a side chain of this frame 60;

This gear train 70 is meshing with each other by several gears and forms, and this gear train 70 is installed in the inside of this frame 60, make a wherein gear of this gear train 70 be able to a pivot on the projection 61 of this frame 60, and the gear lateral margin of axle pivot on this projection 61 is convexly equipped with out an active projection 71, this active projection 71 is protruded this cap 62, and links with the interior cover 91 of a tire 90;

This motor 80 is able to this gear train 70 of interlock, and this motor 80 is fixedly arranged on the desired location (as shown in Figure 6) of this frame 60;

Though, these commonly use structure can reach the operation effect (as shown in Figure 7) that car body advances, but, when car body travels on the mountain peak and winnows with a dustpan the road surface (as shown in Figure 8), because the active projection 71 of gear train 70 does not have the construction package of any reinforcement, so winnow with a dustpan because of the mountain peak, road surface easily, cause the interior cover 91 of tire 90 to damage (as shown in Figure 8), in addition, owing to after interior cover 91 damages of tire 90, easily influence the engagement between gear and the gear, directly produce drive gap, reach the phenomenon of gear wear, not only increase the noise of gear interlock, and the working life of relatively reducing gear train 70.

(3) novel content:

A kind of electric motor car gear hub of the utility model body structure, its objective is provides a kind of transmission shaft of can avoiding really to produce the situation of distorting, and has the electric motor car gear hub body structure of preferable structural strength reinforcing effect;

This electric motor car gear hub body structure not only can keep the parallelism of transmission shaft, makes the phenomenon that can not produce gap, wearing and tearing between gear and the gear, and avoids the generation of noise effectively; And can increase working life of gear train.

A kind of electric motor car gear hub of the utility model body structure, it comprises:

One frame, the desired location of this frame inside is convexly equipped with out the hollow convex column more than, and the solid cap of a side chain of this frame;

One gear train, this gear train is meshing with each other by some gears and forms, and this gear train is installed in the inside of this frame, make a wherein gear of this gear train be able to a pivot on the projection of this frame, and the gear lateral margin of axle pivot on this projection is convexly equipped with out an active projection, and this active projection is able to link with the interior cover of a tire;

One motor, this motor are able to this gear train of interlock, and this motor is installed in the housing desired location; It is characterized in that:

The active projection of this gear train has a ring chase, and this ring chase is for axle sleeve location, and an end of this axle sleeve by putting, is connected with on the active projection of this gear train this driving block for a driving block.

Advantageously, the outside of this frame and this cap sets firmly a stiffening plate respectively.

Wherein, the outer periphery of this motor have a supporting frame, and this supporting frame is fixedly arranged on the desired location of this frame.

Wherein, the hole of engraving that this cap has a hollow with respect to the position of this projection, and this cap be positioned at this engrave one of hole side be convexly equipped with out one the ring fin.

A kind of electric motor car gear hub of the utility model body structure, its advantage is: transmission shaft does not produce the situation of distortion, and structural strength is good, not only can keep the parallelism of transmission shaft, make the phenomenon that can not produce gap, wearing and tearing between gear and the gear, and avoid the generation of noise effectively; And can increase working life of gear train.

(4) description of drawings:

The perspective exploded view of Fig. 1 the utility model.

The solid combination schematic representation of Fig. 2 the utility model.

The combination generalized section of Fig. 3 the utility model.

Schematic appearance when the embodiment of Fig. 4 the utility model uses.

Schematic appearance when the embodiment of Fig. 5 the utility model runs into the mountain peak and winnows with a dustpan the road surface.

The perspective exploded view that Fig. 6 commonly uses.

Schematic appearance when the embodiment that Fig. 7 commonly uses uses.

Schematic appearance when the embodiment that Fig. 8 commonly uses runs into the mountain peak and winnows with a dustpan the road surface.

Number in the figure is as follows:

The utility model branch:

10 framies, 11 projections, 12 caps

121 engrave hole 122 ring fins, 13 stiffening plates

14 axle sleeves, 20 gear trains 21 are projection initiatively

211 ring chases, 22 driving blocks, 30 tires

Cover 40 motors 41 supporting frames in 31

50 transmission shafts

Commonly use part:

60 framies, 61 projections, 62 caps

70 gear trains 71 are projection 80 motors initiatively

Cover A transmission shaft in 90 tires 91

(5) embodiment:

At first, please cooperate and consult Fig. 1 to shown in Figure 5, the utility model is a kind of electric motor car gear hub body structure, and it includes:

One frame 10, the desired location of these frame 10 inside is convexly equipped with out the hollow convex column 11 more than, and the solid cap 12 (as shown in Figure 1) of a side chain of this frame 10;

One gear train 20, this gear train 20 is meshing with each other by several gears and forms, and this gear train 20 is installed in the inside of this frame 10, make a wherein gear of this gear train 20 be able to a pivot on the projection 11 of this frame 10, and the gear lateral margin of axle pivot on this projection 11 is convexly equipped with out an active projection 21, and this active projection 21 is able to link (as Fig. 1 and shown in Figure 3) with the interior cover 31 of a tire 30;

One motor 40, this motor 40 are able to this gear train 20 of interlock, and the outer periphery of this motor 40 have a supporting frame 41, and this supporting frame 41 is fixedly arranged on the desired location (as shown in Figure 1) of this frame 10;

And it should be noted that, the outside of this frame 10 and this cap 12 sets firmly a stiffening plate 13 respectively, and the active projection 21 of this gear train 20 has a ring chase 211, this ring chase 211 is for an axle sleeve 14 location, one end of this axle sleeve 14 by putting, makes this driving block 22 be connected with on the active projection 21 of this gear train 20 (as Fig. 1 and shown in Figure 3) for a driving block 22.

Wherein, this cap 12 is engraved hole 121 with respect to what the position of this projection 11 had a hollow, and this cap 12 is positioned at this and engraves one of hole 121 side and be convexly equipped with out a ring fin 122.

And by above constituting, please continue to cooperate and consult Fig. 1 to shown in Figure 5, the utility model can be installed in and use on general electric toy car, sport car or beach buggy or the like the car body;

When user's desire is used the utility model, only need provide motor 40 electric power, make the gear train 20 of motor 40 interlock framies 10 inside rotate, and then utilize the active projection 21 interlock driving blocks 22 of gear train 20, and the tire 30 of driving block 22 interlock car bodies is rotated, so just can reach the operation effect (as shown in Figure 4) that car body advances;

Because between the active projection 21 and driving block 22 of the gear train 20 of the utility model, install an axle sleeve 14 in addition, and utilize initiatively ring chase 211 these axle sleeves 14 of location of projection 21, so when car body travels on the mountain peak and winnows with a dustpan the road surface (as shown in Figure 5), can avoid transmission shaft 50 to produce the situation of distorting really, and has preferable structural strength reinforcing effect, in addition, the parallelism that not only can keep transmission shaft 50, make and can not produce the gap between gear and the gear, the phenomenon of wearing and tearing, avoid the generation of noise effectively, and relatively increase the working life of gear train 20, dark tool practicability.

Claims

1, a kind of electric motor car gear hub body structure, it includes:

One gear train, this gear train is meshing with each other by gear and forms, and this gear train is installed in the inside of this frame, make a wherein gear of this gear train be able to a pivot on the projection of this frame, and the gear lateral margin of axle pivot on this projection is convexly equipped with out an active projection, and this active projection is able to link with the interior cover of a tire;

The motor of one this gear train of interlock, this motor is installed in the housing desired location; It is characterized in that:

2, a kind of electric motor car gear hub body structure according to claim 1, it is characterized in that: the outside of this frame and this cap sets firmly a stiffening plate respectively.

3, a kind of electric motor car gear hub body structure according to claim 1, it is characterized in that: the outer periphery of this motor have a supporting frame, and this supporting frame is fixedly arranged on the desired location of this frame.

4, a kind of electric motor car gear hub body structure according to claim 1 is characterized in that: the hole of engraving that this cap has a hollow with respect to the position of this projection, and this cap be positioned at this engrave one of hole side be convexly equipped with out one the ring fin.