CN210397656U - Gearbox shell - Google Patents

Abstract

The utility model discloses a gearbox housing relates to machinery, include: the connecting ring, the circular cover and the rear part of the shell are connected; wherein the connecting ring, the circular cover and the rear part of the shell are sequentially welded into a whole; a first transmission hole, a first connecting hole, a clamping groove, a bearing mounting hole and a reinforcing rib are formed in the outer side of the rear part of the shell; a first partition plate, a second connecting hole, a second transmission hole, a third connecting hole, a guide hole, a second partition plate, a third partition plate, a first fixing hole and an internal fixing hole are formed in the inner side of the rear part of the shell; wherein, first transmission hole, first connecting hole, bearing mounting hole, second transmission hole, third connecting hole, guiding hole and inside fixed orifices are the perforating hole, the dome is semicircle hopper-shaped, the bearing mounting hole is located the end at casing rear portion. The utility model relates to a rationally, intensity is high, can cooperate multiple transmission to use.

Description

Gearbox shell

Technical Field

The utility model relates to the field of machinary, especially, relate to a gearbox housing.

Background

The transmission is an important precision part of a vehicle, which transmits power and rotational speed output from an engine to a hub through distribution of an internal gear set to achieve output of various vehicle speeds and powers. The existing gearbox shell has a complex structure, heavy weight and relatively single function, and can not meet the use requirement. Therefore, a new technical solution should be provided to solve the above technical problems.

Disclosure of Invention

The utility model aims at: to the aforesaid not enough, provide a rational in infrastructure, excellent in use effect's gearbox housing.

In order to achieve the above object, the utility model adopts the following technical scheme:

a transmission housing comprising: the connecting ring 1, the round cover 2 and the shell rear part 3; wherein the connecting ring 1, the circular cover 2 and the shell rear part 3 are welded into a whole in sequence; a first transmission hole 4, a first connecting hole 5, a clamping groove 6, a bearing mounting hole 7 and a reinforcing rib 8 are formed in the outer side of the rear part 3 of the shell; a first partition plate 9, a second connecting hole 10, a second transmission hole 11, a third connecting hole 12, a guide hole 13, a second partition plate 14, a third partition plate 15, a first fixing hole 16 and an internal fixing hole 17 are arranged on the inner side of the rear part 3 of the shell; wherein, first transmission hole 4, first connecting hole 5, bearing mounting hole 7, second transmission hole 11, third connecting hole 12, guiding hole 13 and inside fixed orifices 17 are the perforating hole, circle cover 2 is semicircle hopper-shaped, bearing mounting hole 7 is located the terminal of casing rear portion 3.

Further, the housing rear portion 3 further includes an external fixing hole 18.

Further, the radius of the connecting ring 1 is 198.15mm, and the length is 22.05 mm.

Further, the radius of the circular cover 2 close to the connecting ring 1 is 190.15mm, the radius close to the rear part 3 of the shell is 100.3mm, and the length is 191.0mm

Further, the rear housing part 3 has a cylindrical structure with a radius of 99.2mm and a length of 207.7 mm.

Further, the first driving hole 4 is tangent to the outside of the first connecting hole 5, the axis of the first driving hole 4 is 193.85mm from the end of the rear housing part 3, and the axis of the first connecting hole 5 is 175.65mm from the end of the rear housing part 3.

Further, the radius of the bearing mounting hole is 6.0 mm.

Further, the maximum drilling depth of the second connecting hole 10 is 29mm, and the tapping depth is 24 mm; the first fixing hole 16 is drilled with a maximum depth of 27mm and tapped with a depth of 22 mm.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have following advantage:

the utility model discloses a gearbox housing structure is simple, and reasonable in design increases the intensity of casing through the strengthening rib that sets up on the casing, compares in prior art and increases the intensity of casing through increasing casing thickness, has less the material quantity, has alleviateed the weight of casing, has reduced manufacturing cost, can overcome the distortion that gearbox housing caused because of the stress inequality that the wall thickness difference brought simultaneously, has increased the life of gearbox housing. The utility model discloses the hole site is reasonable, can cooperate the transmission of multiple model to use.

Further effects of the above-mentioned non-conventional alternatives will be described below in connection with the embodiments.

Drawings

The drawings are included to provide a better understanding of the invention and are not to be construed as unduly limiting the invention. Wherein:

FIG. 1 is a side perspective view of a transmission housing according to the present invention;

fig. 2 is a front perspective view of a transmission housing according to the present invention.

Detailed Description

Exemplary embodiments of the present invention are described below with reference to the accompanying drawings, in which various details of embodiments of the invention are included to assist understanding, and which are to be considered as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

A gearbox housing according to the present invention, as shown in fig. 1 and 2, in side and front perspective view, comprises: the connecting ring 1, the round cover 2 and the shell rear part 3; wherein the connecting ring 1, the circular cover 2 and the shell rear part 3 are welded into a whole in sequence; a first transmission hole 4, a first connecting hole 5, a clamping groove 6, a bearing mounting hole 7 and a reinforcing rib 8 are formed in the outer side of the rear part 3 of the shell; a first partition plate 9, a second connecting hole 10, a second transmission hole 11, a third connecting hole 12, a guide hole 13, a second partition plate 14, a third partition plate 15, a first fixing hole 16 and an internal fixing hole 17 are arranged on the inner side of the rear part 3 of the shell; wherein, first transmission hole 4, first connecting hole 5, bearing mounting hole 7, second transmission hole 11, third connecting hole 12, guiding hole 13 and inside fixed orifices 17 are the perforating hole, and dome 2 is semicircle hopper-shaped, and bearing mounting hole 7 is located the terminal of casing rear portion 3.

Preferably, as an embodiment of the present invention, the housing rear portion 3 further includes an external fixing hole 18.

Preferably, as another embodiment of the present invention, the radius of the connecting ring 1 is 198.15mm, and the length is 22.05 mm.

Preferably, as another embodiment of the present invention, the radius of the circular cover 2 close to the connecting ring 1 is 190.15mm, the radius of the circular cover close to the rear portion 3 of the housing is 100.3mm, and the length is 191.0mm

Preferably, as another embodiment of the present invention, the rear housing part 3 has a cylindrical structure with a radius of 99.2mm and a length of 207.7 mm.

Preferably, as another embodiment of the present invention, the first transmission hole 4 is tangent to the outside of the first connection hole 5, the axle center of the first transmission hole 4 is 193.85mm from the end of the rear housing part 3, and the axle center of the first connection hole 5 is 175.65mm from the end of the rear housing part 3.

Preferably, as another embodiment of the present invention, the radius of the bearing mounting hole is 6.0 mm.

Preferably, as another embodiment of the present invention, the second connecting hole 10 is drilled to a depth of 29mm at most and tapped to a depth of 24 mm; the first fixing hole 16 is drilled with a maximum depth of 27mm and tapped with a depth of 22 mm.

The utility model discloses a gearbox housing structure is simple, and reasonable in design increases the intensity of casing through the strengthening rib that sets up on the casing, compares in prior art and increases the intensity of casing through increasing casing thickness, has less the material quantity, has alleviateed the weight of casing, has reduced manufacturing cost, can overcome the distortion that gearbox housing caused because of the stress inequality that the wall thickness difference brought simultaneously, has increased the life of gearbox housing. The utility model discloses the hole site is reasonable, can cooperate the transmission of multiple model to use.

The above-described embodiments should not be construed as limiting the scope of the invention. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions can occur, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A transmission housing, comprising:

the connecting ring (1), the round cover (2) and the shell rear part (3);

wherein the connecting ring (1), the circular cover (2) and the shell rear part (3) are welded into a whole in sequence;

a first transmission hole (4), a first connecting hole (5), a clamping groove (6), a bearing mounting hole (7) and a reinforcing rib (8) are formed in the outer side of the rear part (3) of the shell;

a first clapboard (9), a second connecting hole (10), a second transmission hole (11), a third connecting hole (12), a guide hole (13), a second clapboard (14), a third clapboard (15), a first fixing hole (16) and an internal fixing hole (17) are arranged on the inner side of the rear part (3) of the shell;

wherein, first transmission hole (4), first connecting hole (5), bearing mounting hole (7), second transmission hole (11), third connecting hole (12), guiding hole (13) and inside fixed orifices (17) are the perforating hole, dome (2) are semicircle hopper-shaped, bearing mounting hole (7) are located the end of casing rear portion (3).

2. Gearbox housing according to claim 1, characterised in that the housing rear part (3) further comprises an external fixing hole (18).

3. Gearbox housing according to claim 1, characterised in that the coupling ring (1) has a radius of 198.15mm and a length of 22.05 mm.

4. Gearbox housing according to claim 1, characterised in that the radius of the dome (2) near the connecting ring (1) is 190.15mm, the radius near the housing rear part (3) is 100.3mm and the length is 191.0 mm.

5. Gearbox housing according to claim 1, characterised in that the housing rear part (3) is of cylindrical construction with a radius of 99.2mm and a length of 207.7 mm.

6. Gearbox housing according to claim 1, characterised in that the first transmission hole (4) is tangent to the outside of the first connection hole (5), the first transmission hole (4) having its axis at 193.85mm from the end of the housing rear part (3), the first connection hole (5) having its axis at 175.65mm from the end of the housing rear part (3).

7. The transmission housing of claim 1, wherein the bearing mounting hole has a radius of 6.0 mm.

8. The gearbox housing according to claim 1, characterised in that the second connecting bore (10) is drilled to a maximum depth of 29mm and tapped to a depth of 24 mm;

the maximum drilling depth of the first fixing hole (16) is 27mm, and the tapping depth is 22 mm.

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