Automobile transmission mounting structure

Abstract

The utility model discloses a kind of automobile gearbox mounting structure, belong to automobile technical field.It solves the problem that the gearbox on some vehicle models in prior art is prone to assembly difficulty when fixedly connected with auxiliary frame.It mainly includes gearbox, engine and vehicle body floor, the left end of the gearbox is connected with engine by bolt, the right end of the gearbox is connected with vehicle body floor by suspension structure;The suspension structure includes suspension body and arched joist, the joist includes first bottom plate, two ends of first bottom plate are connected first vertical plate respectively, the top end of first vertical plate is connected first horizontal plate, two sides first horizontal plate are connected with vehicle body floor by bolt nut, the suspension body includes upper plate and lower plate, rubber body is installed between upper plate and lower plate, the upper plate includes second bottom plate, two ends of second bottom plate are connected second vertical plate respectively, the top end of second vertical plate is connected second horizontal plate, two sides second horizontal plate are connected with gearbox by bolt nut.

Description

Technical Field

[0001] This utility model belongs to the field of automotive technology, and more specifically, it relates to an automotive transmission mounting structure. Background Technology

[0002] Currently, when automotive transmissions are mounted, one end is connected to the engine and the other end is connected to the subframe. However, for some models, mounting one end of the transmission to the subframe can easily lead to assembly difficulties. In addition, current transmissions also have relatively weak vibration damping performance. Summary of the Invention

[0003] The purpose of this utility model is to provide an automotive transmission mounting structure to overcome the problem that assembly difficulties easily occur when the transmission of some models is fixedly connected to the subframe in the prior art.

[0004] This utility model is achieved using the following technical solution: an automotive transmission mounting structure, including a transmission, an engine, and a vehicle floor. The left end of the transmission is connected to the engine via bolts, and the right end of the transmission is connected to the vehicle floor via a suspension structure. The suspension structure includes a suspension body and an arched support beam. The support beam includes a first base plate, with first vertical plates connected to both ends of the first base plate, and a first horizontal plate connected to the top of the first vertical plate. The two first horizontal plates are connected to the vehicle floor via bolts and nuts. The suspension body includes an upper plate and a lower plate, with a rubber body installed between the upper and lower plates. The top surface of the colloid has a concave portion. The upper plate includes a second bottom plate, with second vertical plates connected to both ends of the second bottom plate. A second horizontal plate is connected to the top of the second vertical plate. The two second horizontal plates are connected to the gearbox by bolts and nuts. The second bottom plate and the two second vertical plates are located in the concave portion of the colloid. A support plate is installed between the two second vertical plates. The suspension body is installed on the support beam by a first bolt and a second bolt. The first bolt passes through the first bottom plate, the lower plate, the colloid, the upper plate, and the support plate in sequence and is fitted with a nut. The lower plate is connected to the first bottom plate by the second bolt, and the second bolt is fitted with a nut.

[0005] Furthermore, the lower plate has a first flange at both ends, the rubber body has a second flange at both ends, and the bottom of the rubber body is between the two first flanges.

[0006] Furthermore, the rubber body is vulcanized and connected to the upper plate and the lower plate respectively.

[0007] Furthermore, a plurality of second bolts are welded to the bottom surface of the lower plate, and a plurality of through holes are provided at the bottom of the first base plate for the second bolts to pass through. The second bolts pass downward through the through holes in the first base plate and are fitted with nuts.

[0008] Furthermore, vertical plates are fixedly connected to both sides of the right end of the gearbox, and a third horizontal plate is connected to the bottom of the vertical plates. The third horizontal plates on both sides are fixedly connected to the second horizontal plate on the same side by bolts and nuts.

[0009] Furthermore, a stiffening rib is provided between the vertical plate and the third horizontal plate; the vertical plate is connected to the gearbox by bolts.

[0010] Furthermore, a hollow cavity is provided in the middle of the rubber body.

[0011] Furthermore, the first upright plates on both sides are respectively inclined outward relative to the first base plate; the second upright plates on both sides are respectively inclined outward relative to the second base plate.

[0012] Furthermore, the first cross plate on the support beam is fixedly connected to the floor cross beam on the vehicle body floor by bolts and nuts.

[0013] Compared with the prior art, the beneficial effects of this utility model are: This utility model provides a new automotive gearbox mounting structure that fixes one end of the gearbox to the floor beam of the vehicle body, eliminating the need to connect one end of the gearbox to the subframe, thus making gearbox installation easier for certain vehicle models.

[0014] This invention provides a suspension structure that enables the gearbox to have excellent vibration damping capabilities during application. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the present invention; Figure 2 This is a schematic diagram of the structure of this utility model; Figure 3 This is a schematic diagram of the suspension structure connecting the two vertical plates; Figure 4 This is a schematic diagram of the suspension structure.

[0016] In the diagram: 1. Gearbox; 2. Engine; 3. Vehicle floor; 4. Support beam; 5. First base plate; 6. First vertical plate; 7. First horizontal plate; 8. Upper plate; 9. Lower plate; 10. Rubber body; 11. Recessed part; 12. Second base plate; 13. Second vertical plate; 14. Second horizontal plate; 15. Support plate; 16. First bolt; 17. Second bolt; 18. First flange; 19. Second flange; 20. Vertical plate; 21. Third horizontal plate; 22. Rib plate; 23. Hollow cavity. Detailed Implementation

[0017] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort should fall within the scope of protection of this utility model.

[0018] An automotive transmission mounting structure includes a transmission 1, an engine 2, and a vehicle floor 3. The left end of the transmission 1 is connected to the engine 2 by bolts, and the right end of the transmission 1 is connected to the vehicle floor 3 by a suspension structure.

[0019] The suspension structure includes a suspension body and an arched support beam 4. The present invention uses the arched support beam 4 to fix the right end of the gearbox 1 to the vehicle floor 3, while the suspension body can provide better vibration damping for the right end of the gearbox 1.

[0020] The supporting beam 4 includes a first base plate 5, with first upright plates 6 connected to both ends of the first base plate 5, and a first horizontal plate 7 connected to the top of the first upright plate 6. The first base plate 5, the two first upright plates 6 and the two first horizontal plates 7 form the main structure of the supporting beam 4.

[0021] The first horizontal plates 7 on both sides are connected to the vehicle floor 3 by bolts and nuts. The first horizontal plates 7 of this utility model have two fixing holes.

[0022] The suspension body includes an upper plate 8 and a lower plate 9, with a rubber body 10 installed between the upper plate 8 and the lower plate 9. The upper plate 8, rubber body 10, and lower plate 9 form the main structure of the suspension body. The rubber body 10 is vulcanized and connected to the upper plate 8 and the lower plate 9 respectively.

[0023] The top surface of the rubber body 10 is provided with a concave portion 11. The upper plate 8 includes a second bottom plate 12. The two ends of the second bottom plate 12 are respectively connected to the second vertical plate 13. The top end of the second vertical plate 13 is connected to the second horizontal plate 14. The second bottom plate 12, the two second vertical plates 13 on both sides and the two second horizontal plates 14 on both sides constitute the main structure of the upper plate 8.

[0024] The second horizontal plates 14 on both sides are connected to the gearbox 1 by bolts and nuts. The second horizontal plates 14 of this utility model have two fixing holes.

[0025] The second base plate 12 and the two second upright plates 13 are located in the recess 11 of the rubber body 10. A support plate 15 is installed between the two second upright plates 13, and the two ends of the support plate 15 are welded and fixed to the two second upright plates 13 respectively.

[0026] The suspension body is mounted on the support beam 4 by a first bolt 16 and a second bolt 17. The first bolt 16 passes through the first base plate 5, the lower plate 9, the rubber body 10, the upper plate 8 and the support plate 15 in sequence and is fitted with a nut. When the suspension body is mounted on the support beam 4, the first bolt 16 can also limit the upper plate 8 and the lower plate 9 to prevent the upper plate 8 and the lower plate 9 from horizontally separating from the middle rubber body 10.

[0027] The lower plate 9 is connected to the first base plate 5 by a second bolt 17, and the second bolt 17 is fitted with a nut. Multiple second bolts 17 are welded to the bottom surface of the lower plate 9. Multiple through holes for the second bolts 17 to pass through are provided on the bottom of the first base plate 5. The second bolts 17 pass downwards through the first base plate 5 and are fitted with nuts. This invention achieves the fixation of the lower plate 9 and the first base plate 5 through the second bolts 17 and nuts, thereby fixing the suspension body to the support beam 4.

[0028] The lower plate 9 has a first flange 18 at both ends, and the rubber body 10 has a second flange 19 at both ends, with the bottom of the rubber body 10 located between the two first flanges 18.

[0029] Vertical plates 20 are fixedly connected to both sides of the right end of the gearbox 1. The bottom of the vertical plates 20 is connected to a third horizontal plate 21. The two third horizontal plates 21 are fixedly connected to the second horizontal plate 14 on the same side by bolts and nuts. A stiffening plate 22 is provided between the vertical plates 20 and the third horizontal plates 21. The vertical plates 20 are connected to the gearbox 1 by bolts. A reinforcing plate is connected between the two vertical plates 20.

[0030] The rubber body 10 has a hollow cavity 23 in its middle. The hollow cavity 23 passes through the middle of the rubber body 10, forming a through hole.

[0031] The first upright plates 6 on both sides are respectively inclined outward relative to the first base plate 5; the second upright plates 13 on both sides are respectively inclined outward relative to the second base plate 12.

[0032] The first horizontal plate 7 is fixedly connected to the floor beam on the vehicle body floor 3 by bolts and nuts.

Claims

1. A mounting structure for an automotive transmission, characterized in that, The system includes a gearbox (1), an engine (2), and a vehicle floor (3). The left end of the gearbox (1) is connected to the engine (2) by bolts, and the right end of the gearbox (1) is connected to the vehicle floor (3) by a suspension structure. The suspension structure includes a suspension body and an arched support beam (4). The support beam (4) includes a first base plate (5). The two ends of the first base plate (5) are respectively connected to a first upright plate (6). The top of the first upright plate (6) is connected to a first horizontal plate (7). The two sides of the first horizontal plate (7) are connected to the vehicle floor (3) by bolts and nuts. The suspension body includes an upper plate (8) and a lower plate (9). A rubber body (10) is installed between the upper plate (8) and the lower plate (9). The top surface of the rubber body (10) is provided with a concave part (11). The upper plate (8) includes a second base plate (12). The two ends of the second base plate (12) are respectively connected to the second upright plate (13), the top of the second upright plate (13) is connected to the second horizontal plate (14), the two sides of the second horizontal plate (14) are connected to the gearbox (1) by bolts and nuts, the second base plate (12) and the two sides of the second upright plate (13) are in the concave part (11) of the rubber body (10), and a support plate (15) is installed between the two sides of the second upright plate (13); the suspension body is installed on the support beam (4) by the first bolt (16) and the second bolt (17), the first bolt (16) passes through the first base plate (5), the lower plate (9), the rubber body (10), the upper plate (8) and the support plate (15) in sequence and is fitted with a nut, the lower plate (9) is connected to the first base plate (5) by the second bolt (17), and the second bolt (17) is fitted with a nut.

2. The automotive gearbox mounting structure according to claim 1, characterized in that, The lower plate (9) has a first flange (18) at both ends, and the rubber body (10) has a second flange (19) at both ends, with the bottom of the rubber body (10) between the two first flanges (18).

3. The automotive gearbox mounting structure according to claim 1, characterized in that, The rubber body (10) is vulcanized and connected to the upper plate (8) and the lower plate (9) respectively.

4. The automotive gearbox mounting structure according to claim 1, characterized in that, The bottom surface of the lower plate (9) is welded with a number of second bolts (17). The bottom of the first base plate (5) has a number of through holes for the second bolts (17) to pass through. The second bolts (17) pass downward through the through holes on the first base plate (5) and are fitted with nuts.

5. The automotive gearbox mounting structure according to claim 1, characterized in that, Vertical plates (20) are fixedly connected to both sides of the right end of the gearbox (1). The bottom of the vertical plate (20) is connected to the third horizontal plate (21). The third horizontal plates (21) on both sides are fixedly connected to the second horizontal plate (14) on the same side by bolts and nuts.

6. The automotive gearbox mounting structure according to claim 5, characterized in that, A stiffening rib (22) is provided between the vertical plate (20) and the third horizontal plate (21); the vertical plate (20) is connected to the gearbox (1) by bolts.

7. The automotive gearbox mounting structure according to claim 1, characterized in that, The rubber body (10) has a hollow cavity (23) in the middle.

8. The automotive gearbox mounting structure according to claim 1, characterized in that, The first upright plates (6) on both sides are inclined outward relative to the first base plate (5); the second upright plates (13) on both sides are inclined outward relative to the second base plate (12).

9. The automotive gearbox mounting structure according to claim 1, characterized in that, The first cross plate (7) on the support beam (4) is fixedly connected to the floor cross beam on the vehicle floor (3) by bolts and nuts.

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