CN212131248U

CN212131248U - Gearbox casing for car

Info

Publication number: CN212131248U
Application number: CN202020640197.6U
Authority: CN
Inventors: 宁涛
Original assignee: Dalian Renhong Stamping Die Co ltd
Current assignee: Dalian Renhong Stamping Die Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-12-11
Anticipated expiration: 2030-04-24

Abstract

The utility model relates to an automobile manufacturing technical field just discloses a gearbox casing for car, including last casing and lower casing, the equal fixed mounting in the left and right sides of going up casing and lower inner cavity has the acoustical panel, the equal fixed mounting in four corners department of going up casing and lower inner cavity has the spring, the equal fixed mounting in one end of casing and lower casing has the buffing pad is kept away from to the spring, the buffing pad is the same with the radian of last casing and lower inner cavity. This transmission housing for car, all install the acoustical panel through last casing and the inside left and right sides of casing down, the acoustical panel can absorb the inside abnormal sound of gearbox and prevent to conduct the outside, it all is equipped with the cushion socket to go up casing and casing four corners department down simultaneously, at first bump with the cushion socket when the inside part of last casing and lower casing bumps and the spring can absorb the part and assault and avoid causing the casing to damage, realized reducing the abnormal sound and preventing that the transmission housing from producing the advantage of warping.

Description

Gearbox casing for car

Technical Field

The utility model relates to an automobile manufacturing technical field specifically is a gearbox casing for car.

Background

The manual gearbox mainly comprises gears and shafts, and the speed change and torque change are generated by combining different gears; the automatic gearbox AT consists of a hydraulic torque converter, a planetary gear, a hydraulic pitch-changing system and a hydraulic control system. The speed and torque changing is achieved by combining hydraulic transmission and gears.

Wherein the casing in the gearbox outside has mainly played the effect of inside mechanical parts of protection gearbox and installation part, but when in actual use, because the ageing of gearbox internals or the ageing of various rubber spare and the not hard up of bolt very easily leads to the internals to appear not hard up the production abnormal sound, serious can lead to colliding the gearbox casing even and cause the damage of gearbox casing.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a gearbox casing for car possesses the advantage that can reduce the abnormal sound and prevent that gearbox casing from producing the deformation, has solved the problem that proposes among the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides a gearbox shell for car, includes casing and lower casing, the equal fixed mounting in the left and right sides of going up casing and lower casing inner chamber has the acoustical panel, the equal fixed mounting in four corners department of going up casing and lower casing inner chamber has the spring, the equal fixed mounting in one end of casing and lower casing is kept away from to the spring has the buffing pad, the buffing pad is the same with the radian of last casing and lower casing inner chamber.

Preferably, the upper shell and the lower shell are fixedly provided with fixing seats at four corners close to one end, the fixing seats are provided with fixing holes, and fixing bolts are movably arranged in the fixing holes.

Preferably, the lateral surface of fixing bolt all fixes the cover and has connect sealed the pad, sealed the pad is located between the fixing base, go up casing and lower casing and pass through fixing bolt swing joint.

Preferably, a sealing ring is arranged between the upper shell and the lower shell, and the upper shell and the lower shell are both made of aluminum alloy.

Preferably, the upper and lower sides of the front faces of the upper and lower shells are respectively provided with an upper bearing hole and a lower bearing hole.

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

1. this transmission housing for car, all install the acoustical panel through last casing and the inside left and right sides of casing down, the acoustical panel can absorb the inside abnormal sound of gearbox and prevent to conduct the outside, it all is equipped with the cushion socket to go up casing and casing four corners department down simultaneously, at first bump with the cushion socket when the inside part of last casing and lower casing bumps and the spring can absorb the part and assault and avoid causing the casing to damage, thereby realized reducing the abnormal sound and prevent that the transmission housing from producing the advantage of warping.

2. This transmission housing for car installs the fixing base through the terminal surface at last casing and lower casing to fixing base internally mounted has fixing bolt to realize going up casing and down fixed between the casing, and installs sealed the pad in fixing bolt's the outside, can prevent that the casing from taking place the oil leak, is equipped with the sealing ring simultaneously and can further prevent its oil leak between last casing and the lower casing, thereby has realized the advantage that prevents the transmission oil leak.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the upper and lower housing structures of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is an exploded view of the buffer base of the present invention;

fig. 5 is an enlarged view of the structure at a in fig. 4.

In the figure: 1. an upper housing; 2. a lower housing; 3. a fixed seat; 4. fixing the bolt; 5. a gasket; 6. a seal ring; 7. an upper bearing bore; 8. a lower bearing bore; 9. a sound-absorbing panel; 10. a buffer seat; 11. a spring; 12. and (7) fixing holes.

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.

Referring to fig. 1-5, a transmission housing for an automobile comprises an upper housing 1 and a lower housing 2, wherein acoustic panels 9 are fixedly mounted on the left and right sides of the inner cavities of the upper housing 1 and the lower housing 2, springs 11 are fixedly mounted at four corners of the inner cavities of the upper housing 1 and the lower housing 2, a buffer seat 10 is fixedly mounted at one end of each spring 11 far away from the upper housing 1 and the lower housing 2, and the radian of each buffer seat 10 is the same as that of the inner cavities of the upper housing 1 and the lower housing 2.

Wherein, go up the equal fixed mounting in four corners department that casing 1 and casing 2 were close to one end each other down and have fixing base 3, fixed orifices 12 have all been seted up to fixing base 3's inside, and the inside movable mounting of fixed orifices 12 has fixing bolt 4, and fixing base 3 just makes for cast iron for the welding installation at the four corners department of last casing 1 and casing 2 down and possesses higher intensity.

Wherein, the lateral surface of fixing bolt 4 all fixed cover has been connect sealed 5, and sealed 5 of filling up is located between fixing base 3, goes up casing 1 and casing 2 down and passes through fixing bolt 4 swing joint, and sealed 5 of filling up is made for rubber and can prevent to go up the oil leak between casing 1 and the casing 2 down.

Wherein, be equipped with sealing ring 6 between last casing 1 and the casing 2 down, go up casing 1 and casing 2 down and be the aluminum alloy and make, sealing ring 6 is the cyclic annular structure that rubber was made, and the last casing 1 that the aluminum alloy was made and casing 2 down possess light in weight and the high advantage of intensity can subtract heavy favourable effect to the car and cause.

Wherein, the upper and lower both sides of going up casing 1 and lower casing 2 front have seted up upper bearing hole 7 and lower bearing hole 8 respectively, can be used to install the exposure of various machine parts and transmission shaft in the gearbox through upper bearing hole 7 and lower bearing hole 8.

The working principle is as follows: this gearbox casing for car is when using, all installs acoustical panel 9 through last casing 1 and the inside left and right sides of casing 2 down, acoustical panel 9 can absorb the inside abnormal sound of gearbox and prevent to conduct the outside, goes up casing 1 and casing 2 four corners department down simultaneously and all is equipped with buffer seat 10, at first collides with buffer seat 10 and spring 11 can absorb partial impact and avoid causing the casing to damage when the part of last casing 1 and casing 2 inside bumps down.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gearbox housing for car, includes casing (1) and casing (2) down, its characterized in that: go up the equal fixed mounting in the left and right sides of casing (1) and casing (2) inner chamber down and have acoustical panel (9), the equal fixed mounting in four corners department of going up casing (1) and casing (2) inner chamber has spring (11) down, the equal fixed mounting in one end of casing (1) and casing (2) down is kept away from in spring (11) has buffering seat (10), buffering seat (10) are the same with the radian of last casing (1) and casing (2) inner chamber down.

2. A transmission housing for an automobile according to claim 1, wherein: go up casing (1) and lower casing (2) equal fixed mounting in four corners department that are close to one end each other has fixing base (3), fixed orifices (12) have all been seted up to the inside of fixing base (3), the inside movable mounting of fixed orifices (12) has fixing bolt (4).

3. A transmission housing for an automobile according to claim 2, wherein: the outer side face of the fixing bolt (4) is fixedly sleeved with a sealing gasket (5), the sealing gasket (5) is located between the fixing seats (3), and the upper shell (1) and the lower shell (2) are movably connected through the fixing bolt (4).

4. A transmission housing for an automobile according to claim 1, wherein: go up and be equipped with sealing ring (6) between casing (1) and lower casing (2), go up casing (1) and lower casing (2) and be the aluminum alloy and make.

5. A transmission housing for an automobile according to claim 1, wherein: and the upper side and the lower side of the front surfaces of the upper shell (1) and the lower shell (2) are respectively provided with an upper bearing hole (7) and a lower bearing hole (8).