CN214661864U

CN214661864U - Small-center-distance and light-weight transmission assembly

Info

Publication number: CN214661864U
Application number: CN202023256292.5U
Authority: CN
Inventors: 任春雷; 赵玥; 李想
Original assignee: Shaanxi Fast Gear Co Ltd
Current assignee: Shaanxi Fast Gear Co Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-11-09
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a small centre-to-centre spacing, lightweight derailleur assembly belongs to the derailleur field. A small-center-distance and light-weight transmission assembly comprises a clutch shell, a transmission shell, a rear cover shell, an upper cover and a shell of a control assembly, wherein the clutch shell, the transmission shell, the rear cover shell, the upper cover and the shell of the control assembly are all made of aluminum alloy materials; a clutch release fork assembly is arranged above the clutch shell, and the central line of the clutch release fork assembly and the horizontal direction form a preset included angle alpha; a clutch wheel cylinder of the whole vehicle is arranged on the clutch release fork assembly; the center distance of the transmission assembly is 116 mm. The utility model discloses a small centre-to-centre spacing, lightweight derailleur assembly, compact structure is small, and the quality is light, and convenient whole car is arranged.

Description

Small-center-distance and light-weight transmission assembly

Technical Field

The utility model belongs to the derailleur field, especially a small centre-to-centre spacing, lightweight derailleur assembly.

Background

With the continuous development of the automobile industry and the intensification of market competition, the requirements of users on the light weight, the operation comfort and the reliability of the whole automobile are gradually improved. As an important part in an automobile transmission system, a transmission assembly must be optimized and lifted from the above angle, and better meets the requirements of the whole automobile.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a transmission assembly of little centre-to-centre spacing, lightweight.

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

a small-center-distance and light-weight transmission assembly comprises a clutch shell, a transmission shell, a rear cover shell, an upper cover and a shell of a control assembly, wherein the clutch shell, the transmission shell, the rear cover shell, the upper cover and the shell of the control assembly are all made of aluminum alloy materials;

a clutch release fork assembly is arranged above the clutch shell, and the central line of the clutch release fork assembly and the horizontal direction form a preset included angle alpha;

a clutch wheel cylinder of the whole vehicle is arranged on the clutch release fork assembly;

the center distance of the transmission assembly is 116 mm.

Furthermore, a replaceable gear shifting booster is arranged on the control assembly.

Further, a side suspension is disposed on the transmission case symmetrically about a center line thereof.

Furthermore, a rear suspension which is symmetrical about the center line of the rear cover shell is arranged on the rear cover shell, and a preset included angle beta is formed between the mounting surface of the rear suspension and the horizontal direction.

Furthermore, a lubricating oil hole is formed in the position of the transmission shell where the reverse gear intermediate shaft is installed.

Furthermore, an oil guide groove is formed in one side inside the transmission shell, and a preset included angle theta is formed between the oil guide groove and the horizontal plane.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a small centre-to-centre spacing, lightweight derailleur assembly, compact structure is small, and the quality is light, and convenient whole car is arranged.

Furthermore, the control assembly is selectively matched with the gear shifting booster to optimize the hand feeling of the transmission.

Furthermore, the transmission shell is provided with a side suspension which is symmetrical about the central line of the transmission shell, so that the power assembly suspension is convenient to arrange, and the transmission shell can also be used as the mounting position of the clutch slave cylinder when the clutch shell is matched and pushed laterally.

Furthermore, the rear suspension can meet the requirements of the rear main suspension of a host factory, and the selection scheme of the power assembly suspension is enriched.

Furthermore, the lubricating oil hole enables splashed gear oil to lubricate the reverse gear intermediate shaft bearing through the oil hole.

Furthermore, the oil guide groove is arranged, so that when the transmission works in an inclined state (an automobile goes up a slope), gear oil splashed from the rear end of the transmission can flow to the front end of the transmission through the inclined oil guide groove, and the gear and the bearing at the position are lubricated.

Drawings

FIG. 1 is a schematic structural view of a transmission assembly, wherein FIG. 1(a) is a right side view and FIG. 1(b) is a front view;

FIG. 2 is a top view of the transmission assembly;

fig. 3 is a schematic structural view of a transmission case, in which fig. 3(a) is a front view and fig. 3(b) and 3(c) are sectional views;

fig. 4 is a structural view of the upper cover assembly.

Wherein: 1-a clutch housing; 2-a transmission housing; 3-rear cover shell; 4, covering the upper cover; 5-a steering assembly; 6-clutch release fork assembly; 7-a gear shift booster; 8, poking the guide block; 9-a first declutch shift shaft assembly; 10-a reversing shifting block; 11-a second declutch shift shaft assembly; 12-a second fork; 13-third declutch shift shaft.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below 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 efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

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

referring to fig. 1 and 2, fig. 1 is a schematic structural view of a transmission assembly, fig. 1(a) is a right side view, fig. 1(b) is a front view, and fig. 2 is a top view of the transmission assembly; the center distance of the transmission assembly is 116mm, the structure is compact, the size is small, and the clutch housing 1, the transmission housing 2, the rear cover housing 3, the upper cover 4 and the housing of the control assembly 5 are all made of aluminum alloy materials so as to reduce the weight; the clutch release fork assembly 6 is arranged at the upper right of the clutch shell 1, the central line of the clutch release fork assembly has a certain included angle alpha with the horizontal direction, the arrangement of the whole vehicle is convenient, and a clutch slave cylinder of the whole vehicle is arranged on a plane a of the clutch release fork assembly 6; the control assembly 5 can be optionally matched with a gear shifting booster 7 to optimize the hand feeling of the transmission, and the volume of the gear shifting booster 7 is smaller than that of a market mainstream gear shifting booster; the transmission shell 2 is provided with side suspensions b which are bilaterally symmetrical about a central line, so that the power assembly suspension is convenient to arrange, and the side suspensions can also be used as mounting positions of clutch slave cylinders when the clutch shell is matched and pushed laterally; the rear cover shell 3 is provided with rear suspensions c which are bilaterally symmetrical about a central line, and the mounting surface of each rear suspension c forms a certain included angle beta with the horizontal direction; the suspension can meet the requirement of a rear main suspension of a host factory, enriches the selection scheme of the suspension of the power assembly, and is not too high in height in the vertical direction to facilitate the arrangement of the whole vehicle because of the oblique boss.

Referring to fig. 3, fig. 3 is a schematic structural diagram of a transmission housing, fig. 3(a) is a front view, and fig. 3(b) and fig. 3(c) are cross-sectional views, a lubricating oil hole d is added at a position where a reverse gear intermediate shaft is installed in the transmission housing 2, so that splashed gear oil can lubricate a reverse gear intermediate shaft bearing through the oil hole; an oil guide groove e is additionally arranged on one side inside the transmission shell 2, and a certain included angle theta is formed between the oil guide groove e and the upper end surface (horizontal plane) of the shell; when the transmission works in an inclined state (an automobile goes up a slope), gear oil splashed from the rear end of the transmission can flow to the front end of the transmission through the inclined oil guide groove to lubricate a gear and a bearing at the front end of the transmission.

Referring to fig. 4, fig. 4 is a structural diagram of the upper cover assembly, when the transmission shifts a specific gear, the shift guide block 8 drives the first shift fork shaft assembly 9 to move, and the displacement is transmitted to the second shift fork 12 through the rotatable reversing shift head 10, so that reversing and engaging are realized; the second shifting fork 12 is sleeved on the second shifting fork shaft assembly 11 and fixed by a pin; the second declutch shift shaft assembly 11 and the third declutch shift shaft 13 are both mounted on the upper cover 4, and are disconnected from each other, so as to reduce sliding resistance during gear shifting.

The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.

Claims

1. A small-center-distance and light-weight transmission assembly is characterized by comprising a clutch shell (1), a transmission shell (2), a rear cover shell (3), an upper cover (4) and a shell of a control assembly (5), wherein the clutch shell, the transmission shell, the rear cover shell, the upper cover and the shell are all made of aluminum alloy;

a clutch release fork assembly (6) is arranged above the clutch shell (1), and a preset included angle alpha is formed between the central line of the clutch release fork assembly (6) and the horizontal direction;

a clutch wheel cylinder of the whole vehicle is arranged on the clutch release fork assembly (6);

the center distance of the transmission assembly is 116 mm.

2. A small center-distance, lightweight transmission assembly according to claim 1, characterized in that the steering assembly (5) is provided with a replaceable gear shift booster (7).

3. A small center-distance, lightweight transmission assembly according to claim 1, characterized in that a side suspension symmetrical with respect to a center line thereof is arranged on the transmission case (2).

4. The small center distance, lightweight transmission assembly according to claim 1, wherein a rear suspension is arranged on the rear cover housing (3) symmetrically about a center line thereof, and a mounting surface of the rear suspension forms a predetermined angle β with a horizontal direction.

5. The small center distance and light weight transmission assembly as recited in claim 1, wherein a lubricating oil hole is formed at a position where the transmission housing (2) is provided with the reverse gear intermediate shaft.

6. The small center distance and light weight transmission assembly as recited in claim 1, wherein an oil guide groove is formed in one side inside the transmission housing (2), and a preset included angle θ is formed between the oil guide groove and a horizontal plane.