Integral bridge structure with bottom fork

Abstract

The utility model discloses an integral bridge structure with a bottom fork, and relates to the technical field of automobile accessories. Comprising a rear axle bracket, a supporting pipe fitting is fixedly arranged on the outer wall of the rear axle bracket, a rear axle long shaft is rotationally embedded in the inner wall of the supporting pipe fitting, and a gearbox structure is arranged on the rear axle bracket and the rear axle long shaft. The gearbox structure comprises a main rear axle box body, an auxiliary rear axle box body, a rear axle box cover, a driven gear, a driving gear, a transmission sleeve, two main bearing pieces, an auxiliary bearing piece, a fixed bearing and a rear axle cover top, and the inner wall of the rear axle box cover is arranged on a supporting pipe in a sliding and sleeving mode. By means of the supporting pipe fitting, the rear axle long shaft, the driven gear, the driving gear and the transmission sleeve, stability and controllability can be improved, inclination of a vehicle body during turning can be controlled through the elastic characteristic of the bottom fork, it is ensured that the vehicle always keeps a controllable track, meanwhile, stability of the vehicle is enhanced, a driver is more confident during high-speed driving or sharp turning, and the driving safety of the vehicle is improved. And the driving safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories, in particular to an integral bridge structure with a flat fork. Background Art

[0002] At present, the integral bridge, also known as the independent suspension system, is a suspension system connecting the body and chassis. The flat fork, as part of the integral bridge suspension, may be used to enhance the stability and handling of the suspension, disperse the vehicle weight through the suspension arm and shock absorber, reduce road bumps and vibrations, maintain body stability, and improve ride comfort.

[0003] At present, under complex road conditions, the wheel grip of the integral bridge may be weakened due to tilt, causing the wheels to slip and increasing the probability of the vehicle getting out of trouble. The weight of the integral bridge suspension is relatively large, which may have a certain impact on the vehicle's fuel economy and handling. Utility Model Content

[0004] The utility model provides an integral bridge structure with a flat fork, which can improve stability and controllability through supporting pipes, rear axle long shaft, driven gear, driving gear and transmission sleeve. The elastic characteristics of the flat fork help control the tilt of the vehicle body when turning, ensuring that the vehicle always maintains a controllable trajectory. At the same time, it enhances the stability of the vehicle, making the driver more confident when driving at high speeds or in sharp turns, and improving driving safety.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: an integral bridge structure with a flat fork, comprising:

[0006] A rear axle bracket, wherein a support pipe is fixedly provided on the outer wall of the rear axle bracket, and a rear axle long axis is rotatably embedded in the inner wall of the support pipe;

[0007] The gearbox structure is arranged on the rear axle bracket and the rear axle long shaft;

[0008] The gearbox structure includes a main rear axle case, an auxiliary rear axle case, a rear axle case cover, a driven gear, a driving gear, a transmission sleeve, two main bearings, an auxiliary bearing, a fixed bearing and a rear axle cover top. The inner wall of the rear axle case cover is slidably sleeved on the supporting pipe, one side of the outer wall of the rear axle case cover is fixedly mounted on the main rear axle case, the top of the outer wall of the rear axle cover top is fixedly mounted on the rear axle bracket, the top of the outer wall of the main rear axle case is fixedly mounted on the rear axle cover top, and one side of the outer wall of the auxiliary rear axle case is fixedly mounted on the rear axle bracket. It is fixed on the main rear axle box, the inner wall of the transmission sleeve is slidably sleeved on the long shaft of the rear axle, the transmission sleeve is rotatably arranged in the main rear axle box through two main bearing parts, the inner wall of the driven gear is fixedly sleeved on the transmission sleeve, the driving gear is rotatably arranged between the top of the rear axle cover and the main rear axle box through the auxiliary bearing part, the bottom of the driving gear is engaged with the driven gear, the top of the driving gear is connected with a transmission shaft, and the driven gear is rotatably arranged in the main rear axle box through a fixed bearing.

[0009] As an integral bridge structure with a flat fork of the utility model, an outer wall of the main rear axle box body is connected to one side and an air nozzle is provided, and an outer wall fixed sleeve of the air nozzle is provided with an air storage capsule.

[0010] As an integral bridge structure with a flat fork of the utility model, both ends of the rear axle long axis are fixedly provided with flange connecting discs, and one side of the outer wall of the rear axle bracket is fixedly provided with a rear axle shield.

[0011] As an integral bridge structure with a flat fork of the utility model, the outer wall of the long axis of the rear axle is provided with a disc brake structure, and the disc brake structure includes a disc brake disc and a disc brake guard plate.

[0012] As an integral bridge structure with a flat fork of the utility model, the inner wall of the disc brake disc is fixedly sleeved on the long axis of the rear axle, and the outer wall of the long axis of the rear axle is rotatably embedded in the disc brake guard plate.

[0013] As an integral bridge structure with a flat fork of the utility model, a dust cover is installed on the top of the outer wall of the rear axle bracket.

[0014] The utility model provides an integral bridge structure with a flat fork, which has the following beneficial effects:

[0015] (1) The integral bridge structure with a flat fork can improve stability and handling by supporting pipes, rear axle shaft, driven gear, driving gear and transmission sleeve. The elastic characteristics of the flat fork help control the tilt of the vehicle body when turning, ensuring that the vehicle always maintains a controllable trajectory. At the same time, it enhances the stability of the vehicle, making the driver more confident when driving at high speed or in sharp turns, and improving driving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the main view of the utility model;

[0017] Figure 2 It is a cross-sectional view of the utility model;

[0018] Figure 3 It is an exploded view of the utility model;

[0019] Figure 4 This is the front view of the gearbox structure of the utility model;

[0020] Figure 5 This is a cross-sectional view of the gearbox structure of the present invention;

[0021] Figure 6 This is an exploded view of the gearbox structure of the present invention.

[0022] In the figure: 1. Rear axle bracket; 2. Support pipe; 3. Rear axle long shaft; 4. Main rear axle box; 5. Auxiliary rear axle box; 6. Rear axle box cover; 7. Driven gear; 8. Driving gear; 9. Transmission sleeve; 10. Main bearing; 11. Auxiliary bearing; 12. Fixed bearing; 13. Rear axle cover top; 14. Drive shaft; 15. Air nozzle; 16. Air storage capsule; 17. Flange connection plate; 18. Rear axle guard; 19. Disc brake disc; 20. Disc brake guard; 21. Dust cover. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the practical embodiment to clearly and completely describe the technical solutions in the practical embodiment. Obviously, the described embodiment is only a part of the embodiment of this utility, not all of the embodiments. Based on the embodiment of this utility, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this utility.

[0024] See also Figure 1-4 The utility model provides a technical solution: an integral bridge structure with a flat fork, comprising:

[0025] A rear axle bracket 1, a support pipe 2 is fixedly provided on the outer wall of the rear axle bracket 1, and a rear axle long shaft 3 is rotatably embedded in the inner wall of the support pipe 2;

[0026] The gearbox structure is provided on the rear axle bracket 1 and the rear axle long shaft 3;

[0027] The gearbox structure includes a main rear axle box body 4, an auxiliary rear axle box body 5, a rear axle box cover 6, a driven gear 7, a driving gear 8, a transmission sleeve 9, two main bearings 10, an auxiliary bearing 11, a fixed bearing 12 and a rear axle cover top 13. The inner wall of the rear axle box cover 6 is slidably sleeved on the support pipe 2, one side of the outer wall of the rear axle box cover 6 is fixed on the main rear axle box body 4, the outer wall top of the rear axle cover top 13 is fixed on the rear axle bracket 1, the outer wall top of the main rear axle box body 4 is fixed on the rear axle cover top 13, and one side of the outer wall of the auxiliary rear axle box body 5 is fixed on the rear axle cover top 13. It is fixed on the main rear axle box 4, the inner wall of the transmission sleeve 9 is slidably sleeved on the rear axle long shaft 3, the transmission sleeve 9 is rotatably set in the main rear axle box 4 through two main bearing members 10, the inner wall of the driven gear 7 is fixedly sleeved on the transmission sleeve 9, and the driving gear 8 is rotatably set between the rear axle cover top 13 and the main rear axle box 4 through the auxiliary bearing member 11. The bottom of the driving gear 8 is engaged with the driven gear 7, and the top of the driving gear 8 is connected with a transmission shaft 14. The driven gear 7 is rotatably set in the main rear axle box 4 through a fixed bearing 12.

[0028] In this embodiment: a cross is formed by the rear axle bracket 1, and the fixed support pipe 2 limits the rear axle long axis 3, providing stable load-bearing, so that the rear axle long axis 3 can rotate stably. The main rear axle box 4 and the auxiliary rear axle box 5 are fixed together with bolts, and a seal is formed by the rear axle box cover 6 and the rear axle cover top 13. At the same time, the rear axle box cover 6 is connected to the support pipe 2, and the rear axle cover top 13 is connected to the rear axle bracket 1, so that the gearbox structure is fixed. The driving gear 8 rotates stably between the rear axle cover top 13 and the main rear axle box 4 using the auxiliary bearing 11, and drives the driven gear 7 to rotate by the meshing relationship. The driven gear 7 rotates stably in the main rear axle box 4 using the fixed bearing 12, so that the connected and fixed transmission sleeve 9 rotates, driving the rotation of the rear axle long axis 3. The transmission sleeve 9 rotates stably in the main rear axle box 4 using two main bearings 10.

[0029] Specifically, an air nozzle 15 is connected to one side of the outer wall of the main rear axle box 4 , and an air storage capsule 16 is fixedly sleeved on the outer wall of the air nozzle 15 .

[0030] In this embodiment: the gas storage capsule 16 can be connected to the main rear axle box 4 through the gas nozzle 15. The gas storage capsule 16 is a device for storing gas. In mechanical structures such as the integral bridge, it is used to store and adjust liquid pressure to ensure stable operation.

[0031] Specifically, flange connection plates 17 are fixedly provided at both ends of the rear axle major axis 3 , and a rear axle shield 18 is fixedly provided on one side of the outer wall of the rear axle bracket 1 .

[0032] In this embodiment, the two ends of the rear axle long axis 3 can be fixed to the car through the flange connection plate 17, and the rear axle shield 18 can protect the gearbox structure.

[0033] Specifically, a disc brake structure is provided on the outer wall of the rear axle major axis 3 , and the disc brake structure includes a disc brake disc 19 and a disc brake guard plate 20 .

[0034] In this embodiment, the rotation speed of the rear axle long axis 3 can be controlled by the disc brake structure.

[0035] Specifically, the inner wall of the disc brake disc 19 is fixedly sleeved on the rear axle long shaft 3, and the outer wall of the rear axle long shaft 3 is rotatably embedded in the disc brake guard plate 20.

[0036] In this embodiment, the rotation speed of the rear axle major axis 3 is controlled by limiting the disc brake disc 19 , and the disc brake guard 20 can protect the disc brake disc 19 .

[0037] Specifically, a dust cover 21 is installed on the top of the outer wall of the rear axle bracket 1 .

[0038] In this embodiment, the dust cover 21 prevents dust from entering the rear axle bracket 1 .

[0039] When in use, the rear axle bracket 1 forms a cross section, and the fixed supporting pipe 2 limits the rear axle long shaft 3, providing stable load-bearing so that the rear axle long shaft 3 can rotate stably. The main rear axle box 4 and the auxiliary rear axle box 5 are fixed together with bolts and sealed by the rear axle box cover 6 and the rear axle cover top 13. At the same time, the rear axle box cover 6 is connected to the supporting pipe 2, and the rear axle cover top 13 is connected to the rear axle bracket 1, so that the gearbox structure is fixed. The driving gear 8 rotates stably between the rear axle cover top 13 and the main rear axle box 4 using the auxiliary bearing 11, and drives the driven gear 7 to rotate by the meshing relationship. The driven gear 7 rotates stably in the main rear axle box 4 using the fixed bearing 12, so that the connected fixed transmission sleeve 9 rotates, driving the rotation of the rear axle long shaft 3. The transmission sleeve 9 rotates stably in the main rear axle box 4 using two main bearings 10. The air nozzle 1 5 can connect the gas storage capsule 16 to the main rear axle box 4. The gas storage capsule 16 is a device for storing gas. In mechanical structures such as integral bridges, it is used to store and regulate liquid pressure to ensure stable operation. The flange connection plate 17 can fix both ends of the rear axle long axis 3 to the vehicle. The rear axle guard 18 can protect the gearbox structure. The disc brake structure can control the rotation speed of the rear axle long axis 3 and limit the disc brake disc 19 to control the rotation speed of the rear axle long axis 3. The disc brake guard 20 can protect the disc brake disc 19. The dust cover 21 prevents dust from entering the rear axle bracket 1, which can improve stability and controllability. The elastic characteristics of the flat fork help control the tilt of the vehicle body when turning, ensuring that the vehicle always maintains a controllable trajectory. At the same time, it enhances the stability of the vehicle, making the driver more confident when driving at high speeds or in sharp turns, and improving driving safety.

[0040] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An integral bridge structure with a flat fork, characterized in that: include: A rear axle bracket (1), wherein a support pipe (2) is fixedly provided on the outer wall of the rear axle bracket (1), and a rear axle long shaft (3) is rotatably embedded in the inner wall of the support pipe (2); A gearbox structure is provided on the rear axle bracket (1) and the rear axle long shaft (3); The gearbox structure comprises a main rear axle case (4), an auxiliary rear axle case (5), a rear axle case cover (6), a driven gear (7), a driving gear (8), a transmission sleeve (9), two main bearings (10), an auxiliary bearing (11), a fixed bearing (12) and a rear axle cover top (13); the inner wall of the rear axle case cover (6) is slidably sleeved on the supporting pipe (2); one side of the outer wall of the rear axle case cover (6) is fixedly mounted on the main rear axle case (4); the outer wall top of the rear axle cover top (13) is fixedly mounted on the rear axle bracket (1); the outer wall top of the main rear axle case (4) is fixedly mounted on the rear axle cover top (13); and one side of the outer wall of the auxiliary rear axle case (5) is fixedly mounted on the rear axle bracket (1). The invention relates to a transmission sleeve (9) for rotating the main rear axle housing (4). The transmission sleeve (9) is fixedly mounted on the main rear axle housing (4). The inner wall of the transmission sleeve (9) is slidably mounted on the rear axle long shaft (3). The transmission sleeve (9) is rotatably mounted in the main rear axle housing (4) through two main bearings (10). The inner wall of the driven gear (7) is fixedly mounted on the transmission sleeve (9). The driving gear (8) is rotatably mounted between the rear axle cover top (13) and the main rear axle housing (4) through a secondary bearing (11). The bottom of the driving gear (8) is meshed with the driven gear (7). The top of the driving gear (8) is connected to a transmission shaft (14). The driven gear (7) is rotatably mounted in the main rear axle housing (4) through a fixed bearing (12).

2. The integral bridge structure with flat forks according to claim 1, characterized in that: An air nozzle (15) is provided on one side of the outer wall of the main rear axle box (4), and an air storage capsule (16) is fixedly sleeved on the outer wall of the air nozzle (15).

3. The integral bridge structure with flat forks according to claim 2, characterized in that: Both ends of the rear axle long axis (3) are fixedly provided with flange connection discs (17), and one side of the outer wall of the rear axle bracket (1) is fixedly provided with a rear axle shield (18).

4. The integral bridge structure with flat forks according to claim 3, characterized in that: The outer wall of the rear axle major axis (3) is provided with a disc brake structure, and the disc brake structure comprises a disc brake disc (19) and a disc brake guard plate (20).

5. The integral bridge structure with flat forks according to claim 4, characterized in that: The inner wall of the disc brake disc (19) is fixedly sleeved on the rear axle long shaft (3), and the outer wall of the rear axle long shaft (3) is rotatably embedded in the disc brake guard plate (20).

6. The integral bridge structure with flat forks according to claim 5, characterized in that: A dust cover (21) is installed on the top of the outer wall of the rear axle bracket (1).

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