CN209818690U

CN209818690U - Differential case for electric tricycle

Info

Publication number: CN209818690U
Application number: CN201920567006.5U
Authority: CN
Inventors: 蔡科冠
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2019-12-20
Anticipated expiration: 2029-04-24

Abstract

The utility model discloses a differential case for electric tricycle belongs to the derailleur field. The transmission device comprises a box body, wherein the box body comprises a left box body and a right box body, an output wheel chamber, a transition wheel chamber and a driving wheel chamber are sequentially arranged in the left box body and the right box body, an output wheel shaft hole is arranged in the output wheel chamber, a shaft sleeve protruding out of the output wheel chamber is arranged outside the output wheel shaft hole, and a connecting flange is sleeved outside the shaft sleeve; the box body is also sleeved with a flange plate outside, the flange plate is positioned between the output wheel chamber and the transition wheel chamber, and a notch for preventing interference is formed in the flange plate. The utility model provides a differential case for electric tricycle, which integrates the structure of the integral rear axle and the differential case body used by the disconnected rear axle on the market, and the outer wall of the differential case body used by the existing integral rear axle is provided with a connecting flange and a flange plate, thereby realizing the connection and the use with the integral rear axle and the disconnected rear axle; the weight reduction groove is beneficial to reducing the dead weight and saving production materials.

Description

Differential case for electric tricycle

Technical Field

The utility model relates to a derailleur technical field, in particular to differential case.

Background

For a long time, the rear axle structure of the electric tricycle is mainly divided into an integral rear axle and a disconnected rear axle, and the two structures are matched with corresponding integral and disconnected differential case bodies, so that redundant processes are generated during processing and production, and the classification and management of products are not convenient; meanwhile, the existing flange plate arranged on the differential case connected with the integral axle leads to overlarge volume of the case body.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a differential case for electric tricycle to solve current electric tricycle rear axle structure and divide into integral rear axle and disconnected rear axle, and two kinds of structures must form a complete set corresponding integral and disconnected differential box, use inconveniently, and produced the problem of unnecessary process when processing production and installation.

In order to solve the technical problem, the utility model provides a differential case for an electric tricycle, which comprises a case body, wherein the case body comprises a left case body and a right case body, an output wheel chamber, a transition wheel chamber and a driving wheel chamber are sequentially arranged in the left case body and the right case body, and an output wheel shaft hole is arranged in the output wheel chamber and used for supporting an axle; the output wheel shaft hole is externally provided with a shaft sleeve protruding out of the output wheel chamber, the differential case for the electric tricycle is simultaneously suitable for being connected with the integral axle and the disconnected axle, and the outside of the shaft sleeve is sleeved with a connecting flange; the outer portion of the box body is further sleeved with a flange plate, and the flange plate is located between the output wheel chamber and the transition wheel chamber.

Optionally, the flange is provided with a notch for preventing interference.

Optionally, a transition wheel shaft sleeve is arranged in the transition wheel chamber and used for supporting the reduction gear shaft; the driving wheel chamber is internally provided with a motor shaft supporting part for supporting an output shaft of a motor.

Optionally, the motor shaft supporting part comprises a motor shaft sleeve and a motor shaft hole, and the motor shaft sleeve is arranged on the inner wall of the driving wheel chamber of the left box body; the motor shaft hole is arranged on the inner wall of the driving wheel chamber of the right box body.

Optionally, a plurality of reinforcing ribs are arranged between the transition wheel shaft sleeve and the box body as well as between the motor shaft sleeve and the box body.

Optionally, when the output wheel axle hole is connected and mounted with the disconnected axle, the connecting flange is connected with a gasket; when the connecting flange is connected and installed with the integral axle, the connecting flange does not need a connecting gasket.

Optionally, a plurality of weight reduction grooves are formed in the box body of the differential case for the electric tricycle.

Optionally, the weight reduction grooves are symmetrically arranged on two outer sides of the right box body along the symmetry axis of the right box body.

Optionally, the connecting flange is integrally formed outside the shaft sleeve.

Optionally, the flange is integrally formed on the box body.

The utility model provides a differential case for electric tricycle, which integrates the structure of the integral rear axle and the differential case body used by the disconnected rear axle on the market, and the outer wall of the differential case body used by the existing integral rear axle is provided with a connecting flange and a flange plate, thereby realizing the connection and the use with the integral rear axle and the disconnected rear axle; the flange plate is provided with the notch, so that the problem that the axle is disconnected and the differential case for the electric tricycle cannot be installed due to interference when being installed is avoided, and meanwhile, the structure is more compact when the case body is connected with the axle; the weight reduction groove is beneficial to reducing the dead weight and saving production materials.

Drawings

FIG. 1 is an isometric view of a differential case for an electric tricycle according to the present invention;

FIG. 2 is a schematic view of the internal structure of the left box;

FIG. 3 is a schematic view of the external structure of the left box;

FIG. 4 is a schematic view of the internal structure of the right casing;

FIG. 5 is a schematic view of the external structure of the right case;

fig. 6 is a schematic view of the differential case and the disconnected rear axle for the electric tricycle;

fig. 7 is a schematic view of the differential case and the integral rear axle for the electric tricycle.

Detailed Description

The differential case for an electric tricycle according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

The utility model provides a differential case for electric tricycle, as shown in figure 1, including the box, the box includes left box 1 and right box 2, please refer to figure 2, all be equipped with output wheel chamber 3, transition wheel chamber 4 and initiative wheel chamber 5 in proper order in left box 1 and the right box 2, differential case for electric tricycle is applicable to simultaneously and integral axle and disconnected axle connection, wherein, be equipped with output wheel shaft hole 30 in the output wheel chamber 3, be used for supporting axle 12; referring to fig. 1, a shaft sleeve 8 protruding out of the output wheel chamber 3 is arranged outside the output wheel shaft hole 30, a connecting flange 9 is sleeved outside the shaft sleeve 8, and preferably, the connecting flange 9 is integrally formed on the outer wall of the box body; the box outside still the cover is equipped with ring flange 6, as preferred, ring flange 6 integrated into one piece in on the box, and be located output wheel room 3 with between the transition wheel room 4, it has notch 7 that is used for preventing to interfere to open on the ring flange 6, avoided open the axle with the utility model provides a problem that takes place to interfere and unable installation when differential case for electric tricycle installs, when making box and axle connected simultaneously, the structure is compacter.

Referring to fig. 2 or fig. 4, a transition wheel shaft sleeve 40 is disposed in the transition wheel chamber 4 for supporting the reduction gear shaft; a motor shaft supporting part 50 is arranged in the driving wheel chamber 5 and used for supporting an output shaft of the motor 13;

the motor shaft supporting portion 50 includes a motor shaft sleeve 500 and a motor shaft hole 501, referring to fig. 2, the motor shaft sleeve 500 is disposed on an inner wall of the driving wheel chamber 5 of the left case 1, referring to fig. 4, and the motor shaft hole 501 is disposed on an inner wall of the driving wheel chamber 5 of the right case 2.

A plurality of reinforcing ribs 10 are arranged between the transition wheel shaft sleeve 40 and the motor shaft sleeve 500 and the box body.

Referring to fig. 6, when the output axle hole 30 is connected with a disconnecting axle, the connecting flange 9 is connected with a gasket 14; referring to FIG. 7, the output axle bore 30 is mounted in connection with a one-piece axle without the need for the tie washer 14. Referring to fig. 5, a plurality of weight reduction grooves 11 are formed in a case body of the differential case for the electric tricycle, and preferably, the weight reduction grooves 11 are symmetrically formed in two outer sides of the right case body 2 along a symmetry axis of the right case body 2; the weight-reducing grooves 11 are beneficial to reducing the dead weight and saving production materials.

The utility model provides a pair of differential case for electric tricycle has synthesized the mounting structure of the used differential box body of integral rear axle and disconnected rear axle on the market, sets up flange 9 and flange dish 6 on the used differential box body of integral rear axle, has realized the utility model provides a pair of differential case for electric tricycle can all be connected with integral rear axle and disconnected rear axle and use.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.

Claims

1. A differential case for an electric tricycle comprises a case body, wherein the case body comprises a left case body (1) and a right case body (2), an output wheel chamber (3), a transition wheel chamber (4) and a driving wheel chamber (5) are sequentially arranged in the left case body (1) and the right case body (2),

an output wheel shaft hole (30) is arranged in the output wheel chamber (3) and used for supporting an axle (12), and a shaft sleeve (8) protruding out of the output wheel chamber (3) is arranged outside the output wheel shaft hole (30); it is characterized in that the preparation method is characterized in that,

the differential case for the electric tricycle is simultaneously suitable for being connected with an integral axle and a disconnected axle, and a connecting flange (9) is sleeved outside the shaft sleeve (8); the outer portion of the box body is further sleeved with a flange plate (6) and located between the output wheel chamber (3) and the transition wheel chamber (4).

2. A differential case for electric tricycles as claimed in claim 1, wherein said flange (6) is notched (7) for preventing interference.

3. The differential case for electric tricycle according to claim 1, characterized in that a transition wheel bushing (40) is provided in the transition wheel chamber (4) for supporting a reduction gear shaft; and a motor shaft supporting part (50) is arranged in the driving wheel chamber (5) and is used for supporting an output shaft of the motor (13).

4. The differential case for electric tricycles as claimed in claim 3, wherein said motor shaft supporting part (50) comprises a motor shaft boss (500) and a motor shaft hole (501), said motor shaft boss (500) being provided on an inner wall of a driving wheel chamber (5) of said left casing (1); the motor shaft hole (501) is arranged on the inner wall of the driving wheel chamber (5) of the right box body (2).

5. The differential case for electric tricycle according to claim 4, characterized in that several reinforcing ribs (10) are arranged between the transition wheel shaft sleeve (40) and the motor shaft sleeve (500) and the case body.

6. The differential case for electric tricycle according to claim 1, characterized in that when the output axle hole (30) is mounted with a break-away axle connection, the connection flange (9) is connected with a washer (14); when the connecting flange (9) is connected and installed with a monolithic axle, the connecting gasket (14) is not needed.

7. The differential case for electric tricycles as claimed in claim 1, wherein said differential case for electric tricycles has a plurality of weight-reduction grooves (11) formed in a case body thereof.

8. The differential case for electric tricycle according to claim 7, characterized in that the weight-reduction grooves (11) are symmetrically arranged on both outer sides of the right case (2) along the symmetry axis of the right case (2).

9. A differential case for electric tricycle according to claim 1, characterized in that the connection flange (9) is integrated outside the bushing (8).

10. A differential case for electric three-wheeled vehicles, according to claim 1, characterised in that said flange (6) is integrally formed on said casing.