Integral bridge transmission structure

Abstract

The utility model discloses an integral axle transmission structure, and relates to the technical field of automobile accessories. Comprising a main rear axle box body and an auxiliary rear axle box body, the auxiliary rear axle box body and the main rear axle box body are fixed together through bolts, and the transmission structure is arranged between the main rear axle box body and the auxiliary rear axle box body and comprises a left half shaft, a right half shaft, a main driven gear, a connecting sleeve, a rotating rod, a mounting seat and an auxiliary driven gear. The outer walls of the left half shaft and the right half shaft are rotationally embedded in the main rear axle box body and the auxiliary rear axle box body respectively, and the inner wall of the connecting sleeve is arranged on the left half shaft and the right half shaft in a sliding and sleeving mode. Through the left half shaft, the right half shaft, the driving gear, the driven gear, the connecting sleeve, the rotating rod and the mounting seat, the bearing capacity and the cross-country performance can be enhanced, the overall bridge suspension is outstanding in bearing capacity due to the fact that a bridge pipe bears partial or all loads in the vertical direction, meanwhile, the structure is simple, larger torsion can be borne, four wheels can better obtain road holding force in a rugged environment, and the service life of the whole bridge suspension is prolonged. The device is suitable for cross-country and severe environments.

Description

Technical Field

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

[0002] At present, the integral bridge, also known as the independent suspension system, is a suspension system connecting the body and chassis. It disperses the vehicle weight through suspension arms and shock absorbers, reduces road bumps and vibrations, maintains vehicle body stability, and improves ride comfort.

[0003] The rigidity of the integral bridge suspension is relatively high, and the vehicle reacts more directly to road bumps during driving, resulting in reduced ride comfort. Although the integrated design enhances the stability of the structure, it also limits the vertical movement of the wheels, affecting the vehicle's handling performance. It may appear inflexible when quick steering or complex maneuvers are required. Utility Model Content

[0004] The utility model provides an integral bridge transmission structure, which can enhance the load-bearing capacity and off-road performance through the left half-shaft, the right half-shaft, the master and driven gears, the connecting sleeve, the rotating rod and the mounting seat. The integral bridge suspension has an outstanding load-bearing capacity because the bridge tube bears part or all of the vertical load. At the same time, its structure is simple and can withstand greater torque, which allows the four wheels to better obtain grip in rugged environments, making it suitable for use in off-road and harsh environments.

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

[0006] A main rear axle case and an auxiliary rear axle case, wherein the auxiliary rear axle case is fixed to the main rear axle case by bolts;

[0007] The transmission structure is provided between the main rear axle case and the auxiliary rear axle case;

[0008] The transmission structure includes a left half-shaft, a right half-shaft, a master and driven gear, a connecting sleeve, a rotating rod, a mounting seat and a slave driven gear. The outer walls of the left half-shaft and the right half-shaft are respectively rotatably embedded in the master rear axle case and the slave rear axle case. The inner wall of the connecting sleeve is slidably sleeved on the left half-shaft and the right half-shaft. The outer wall of the connecting sleeve is slidably embedded on the master and driven gears. A fixed bearing is provided between the master and driven gears and the slave rear axle case. One side of the outer wall of the mounting seat is fixedly provided on the master rear axle case. The outer wall of the rotating rod is rotatably embedded in the mounting seat. The inner wall of the slave driven gear is fixedly sleeved on the rotating rod. The slave driven gear is meshed with the master and driven gears.

[0009] As an integral bridge transmission structure of the utility model, a transmission frame is fixedly sleeved on one end of the rotating rod away from the auxiliary driven gear, and the outer wall of the transmission frame is rotatably embedded in the mounting seat.

[0010] As an integral bridge transmission structure of the utility model, a universal joint is rotatably embedded in the inner wall of the transmission frame, and a transmission rod is rotatably sleeved on the outer wall of the universal joint.

[0011] As an integral bridge transmission structure of the utility model, oil seal rings are provided between the left and right half shafts and the main rear axle box and the auxiliary rear axle box respectively, and needle bearings are provided between the connecting sleeve and the main rear axle box.

[0012] As an integral bridge transmission structure of the utility model, an air nozzle is connected to the bottom of the outer wall of the main rear axle box, and an air storage capsule is fixedly sleeved on the outer wall of the air nozzle.

[0013] As an integral bridge transmission structure of the utility model, a sealing ring is embedded between the main rear axle box and the auxiliary rear axle box, and a speed sensor is threadedly embedded on the outer wall of the main rear axle box.

[0014] The utility model provides an integral bridge transmission structure with the following beneficial effects:

[0015] (1) The integral bridge transmission structure can enhance the load-bearing capacity and off-road performance through the left half-shaft, the right half-shaft, the master and driven gears, the connecting sleeve, the rotating rod and the mounting seat. The integral bridge suspension has an outstanding load-bearing capacity because the bridge tube bears part or all of the vertical load. At the same time, its structure is simple and can withstand greater torque. It can enable the four wheels to better obtain grip in rugged environments and is suitable for use in off-road and harsh environments. 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 This is an exploded view of the present invention.

[0019] In the figure: 1. Main rear axle case; 2. Auxiliary rear axle case; 3. Left half-shaft; 4. Right half-shaft; 5. Main and driven gears; 6. Connecting sleeve; 7. Rotating rod; 8. Mounting seat; 9. Auxiliary driven gear; 10. Fixed bearing; 11. Transmission frame; 12. Universal joint; 13. Transmission rod; 14. Needle roller bearing; 15. Air nozzle; 16. Air storage capsule; 17. Sealing ring; 18. Speed ​​sensor; 19. Oil seal ring. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-3 The utility model provides a technical solution: an integral bridge transmission structure, comprising:

[0022] The main rear axle case 1 and the auxiliary rear axle case 2 are fixed to the main rear axle case 1 by bolts;

[0023] The transmission structure is provided between the main rear axle box 1 and the auxiliary rear axle box 2;

[0024] The transmission structure includes a left half shaft 3, a right half shaft 4, a master and slave gear 5, a connecting sleeve 6, a rotating rod 7, a mounting seat 8 and a slave driven gear 9. The outer walls of the left half shaft 3 and the right half shaft 4 are respectively rotatably embedded in the main rear axle case 1 and the slave rear axle case 2. The inner wall of the connecting sleeve 6 is slidably sleeved on the left half shaft 3 and the right half shaft 4. The outer wall of the connecting sleeve 6 is slidably embedded on the master and slave gears 5. A fixed bearing 10 is provided between the master and slave gears 5 and the slave rear axle case 2. One side of the outer wall of the mounting seat 8 is fixedly provided on the main rear axle case 1. The outer wall of the rotating rod 7 is rotatably embedded in the mounting seat 8. The inner wall of the slave driven gear 9 is fixedly sleeved on the rotating rod 7. The slave driven gear 9 is meshed with the master and slave gears 5.

[0025] In this embodiment: a protective shell is formed by fixing the main rear axle case 1 and the auxiliary rear axle case 2 with bolts, the mounting seat 8 can seal one side of the main rear axle case 1 and make the rotating rod 7 rotate in a sealed manner, and the rotating rod 7 drives the auxiliary driven gear 9 to engage with the main driven gear 5 during the rotation process, and the main driven gear 5 drives the connecting sleeve 6 to rotate stably, and at the same time, the main driven gear 5 rotates stably in the main rear axle case 1 using the fixed bearing 10, and the connecting sleeve 6 is slidably sleeved on the left half shaft 3 and the right half shaft 4. Controlling the sliding of the connecting sleeve 6 can make the tooth grooves in the connecting sleeve 6 act on the left half shaft 3 and the right half shaft 4 to control the rotation of the left half shaft 3 and the right half shaft 4.

[0026] Specifically, a transmission frame 11 is fixedly sleeved on one end of the rotating rod 7 away from the auxiliary driven gear 9 , and an outer wall of the transmission frame 11 is rotatably embedded in the mounting seat 8 .

[0027] In this embodiment, the rotating rod 7 can be firmly connected to the outside through the transmission frame 11.

[0028] Specifically, a universal joint 12 is rotatably embedded in the inner wall of the transmission frame 11 , and a transmission rod 13 is rotatably sleeved on the outer wall of the universal joint 12 .

[0029] In this embodiment, the transmission rod 13 can drive the transmission frame 11 to rotate from different directions through the universal joint 12.

[0030] Specifically, oil seal rings 19 are provided between the left half shaft 3 and the right half shaft 4 and the main rear axle housing 1 and the auxiliary rear axle housing 2 respectively, and a needle roller bearing 14 is provided between the connecting sleeve 6 and the main rear axle housing 1.

[0031] In this embodiment, the oil seal ring 19 can play a sealing role to prevent oil leakage, and the needle bearing 14 can enable the connecting sleeve 6 to slide stably.

[0032] Specifically, an air nozzle 15 is connected to the bottom of the outer wall of the main rear axle box 1, and an air storage capsule 16 is fixedly sleeved on the outer wall of the air nozzle 15.

[0033] In this embodiment: the air storage capsule 16 can be connected to the main rear axle box 1 through the air nozzle 15. The air 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.

[0034] Specifically, a sealing ring 17 is embedded between the main rear axle case 1 and the auxiliary rear axle case 2 , and a speed sensor 18 is threadedly embedded on the outer wall of the main rear axle case 1 .

[0035] In this embodiment, the sealing ring 17 can seal the main rear axle case 1 and the auxiliary rear axle case 2 to prevent oil leakage, and the speed sensor 18 can detect the speed of internal rotation.

[0036] When in use, the main rear axle box 1 and the auxiliary rear axle box 2 are fixed to form a protective shell by bolts. The mounting seat 8 can seal one side of the main rear axle box 1 and make the rotating rod 7 rotate in a sealed manner. During the rotation, the rotating rod 7 drives the auxiliary driven gear 9 to engage with the main driven gear 5. The main driven gear 5 drives the connecting sleeve 6 to rotate stably. At the same time, the main driven gear 5 rotates stably in the main rear axle box 1 by using the fixed bearing 10. The connecting sleeve 6 slides on the left half shaft 3 and the right half shaft 4. Controlling the sliding of the connecting sleeve 6 can make the tooth groove in the connecting sleeve 6 act on the left half shaft 3 and the right half shaft 4 to control the rotation of the left half shaft 3 and the right half shaft 4. The transmission frame 11 enables the rotating rod 7 to be firmly connected to the outside, and the universal joint 12 enables the transmission rod 13 to drive the transmission frame 11 from different directions. During rotation, the oil seal ring 19 can seal and prevent oil leakage. The needle bearing 14 can enable the connecting sleeve 6 to slide stably. The air nozzle 15 can connect the air storage capsule 16 to the main rear axle box 1. The air storage capsule 16 is a device for storing gas. In mechanical structures such as integral bridges, it is used to store and adjust liquid pressure to ensure stable operation. The sealing ring 17 can seal between the main rear axle box 1 and the auxiliary rear axle box 2 to prevent oil leakage. The speed sensor 18 can detect the speed of internal rotation, which can enhance the load-bearing capacity and off-road performance. The integral bridge suspension has an outstanding load-bearing capacity because the bridge tube bears part or all of the vertical load. At the same time, its structure is simple and can withstand greater torque. It can allow the four wheels to better obtain grip in rugged environments and is suitable for use in off-road and harsh environments.

[0037] 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 transmission structure, characterized in that: include: A main rear axle case (1) and an auxiliary rear axle case (2), wherein the auxiliary rear axle case (2) is fixed to the main rear axle case (1) by bolts; The transmission structure is arranged between the main rear axle case (1) and the auxiliary rear axle case (2); The transmission structure comprises a left half shaft (3), a right half shaft (4), a main driven gear (5), a connecting sleeve (6), a rotating rod (7), a mounting seat (8) and a secondary driven gear (9); the outer walls of the left half shaft (3) and the right half shaft (4) are respectively rotatably embedded in the main rear axle box (1) and the secondary rear axle box (2); the inner wall of the connecting sleeve (6) is slidably sleeved on the left half shaft (3) and the right half shaft (4); the outer wall of the connecting sleeve (6) is The wall is slidably embedded in the master and slave gears (5); a fixed bearing (10) is provided between the master and slave gears (5) and the auxiliary rear axle box (2); one side of the outer wall of the mounting seat (8) is fixedly mounted on the master and rear axle box (1); the outer wall of the rotating rod (7) is rotatably embedded in the mounting seat (8); the inner wall of the auxiliary driven gear (9) is fixedly sleeved on the rotating rod (7); and the auxiliary driven gear (9) and the master and slave driven gears (5) are meshed with each other.

2. The integral bridge transmission structure according to claim 1, characterized in that: A transmission frame (11) is fixedly sleeved on one end of the rotating rod (7) away from the auxiliary driven gear (9), and the outer wall of the transmission frame (11) is rotatably embedded in the mounting seat (8).

3. The integral bridge transmission structure according to claim 2, characterized in that: A universal joint (12) is rotatably embedded in the inner wall of the transmission frame (11), and a transmission rod (13) is rotatably sleeved on the outer wall of the universal joint (12).

4. The integral bridge transmission structure according to claim 3, characterized in that: Oil seal rings (19) are provided between the left half shaft (3) and the right half shaft (4) and the main rear axle housing (1) and the auxiliary rear axle housing (2), respectively. A needle roller bearing (14) is provided between the connecting sleeve (6) and the main rear axle housing (1).

5. The integral bridge transmission structure according to claim 4, characterized in that: An air nozzle (15) is provided at the bottom of the outer wall of the main rear axle box (1), and an air storage capsule (16) is fixedly sleeved on the outer wall of the air nozzle (15).

6. The integral bridge transmission structure according to claim 5, characterized in that: A sealing ring (17) is embedded between the main rear axle box (1) and the auxiliary rear axle box (2), and a speed sensor (18) is threadedly embedded on the outer wall of the main rear axle box (1).

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