Lubricated anti-friction automobile intermediate drive shaft

Abstract

The utility model discloses a kind of lubrication wear-preventing automobile intermediate transmission shafts, belong to automobile transmission shaft technical field, including driving shaft, the one end of driving shaft is equipped with connecting bearing, connecting bearing inside is equipped with driven shaft, and driving shaft and driven shaft are connected in the one end inside connecting bearing;Driving shaft inside four around are equipped with oil injection cavity, oil injection cavity is also opened in driving shaft inside and four oil injection cavity intercommunication oil storage cavity, driving shaft is located in the four around inside connecting bearing and is equipped with oil outlet pipe, and the one end of four oil outlet pipe and oil storage cavity intercommunication, and four oil outlet pipe top are all communicated and set up in the oil outlet hole of connecting bearing inside four around, four oil outlet pipe top are all movably abutted with limit cover, and four limit cover are respectively and set up between oil outlet pipe inside with tension spring, by adding lubricating oil in oil injection cavity inside, subsequently driving shaft rotates while guiding lubricating oil to oil outlet hole inside, reach the effect of lubricating connecting bearing.

Description

Technical Field

[0001] This utility model relates to the field of automotive drive shaft technology, specifically to a lubricated and wear-resistant automotive intermediate drive shaft. Background Technology

[0002] Automotive driveshafts, also called universal joints, are components that connect the engine and the drive axle (or drive wheels) to transmit engine power. Lubricated and wear-resistant intermediate driveshafts are key components in automotive transmission systems. They transmit engine power to the drive wheels and possess lubricating and wear-resistant properties, improving the driveshaft's lifespan and transmission efficiency. For example, the wear-resistant driveshaft with announcement number CN220956500U stores oil in an oil reservoir. During use, the stored lubricating oil seeps into the transmission components through an oil seepage hole, ensuring effective lubrication and improving the driveshaft's lifespan.

[0003] Although the above technology can allow stored lubricating oil to seep into the transmission components through the oil seepage hole, it has the problem that it cannot stop adding oil when the transmission shaft is not in use. Excessive lubricating oil will form an excessively thick oil film between the transmission components, increasing the viscous resistance during transmission. Excess lubricating oil may seep out from the seal of the transmission shaft and drip onto the ground, causing environmental pollution. Utility Model Content

[0004] The purpose of this invention is to provide a lubricated and wear-resistant intermediate drive shaft for automobiles, in order to solve the problem mentioned in the background art that drive shafts on the market cannot be stopped from being lubricated when not in use.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a lubricated and wear-resistant automotive intermediate drive shaft, comprising a drive shaft, a connecting bearing at one end of the drive shaft, a driven shaft inside the connecting bearing, and the drive shaft and the driven shaft connected at one end inside the connecting bearing; oil injection chambers are provided around the inside of the drive shaft, and an oil storage chamber communicating with the four oil injection chambers is also provided inside the drive shaft; oil outlet pipes are provided around the inside of the drive shaft within the connecting bearing, and one end of each of the four oil outlet pipes communicates with the oil storage chamber; the top of each of the four oil outlet pipes is connected to an oil outlet hole opened around the inside of the connecting bearing; the top of each of the four oil outlet pipes movably abuts against a limit cover, and a tension spring is provided between each of the four limit covers and the inside of the oil outlet pipe; a protective component is provided on the surface of the connecting bearing to protect the connecting bearing.

[0006] Preferably, the protective assembly includes an upper bearing sleeve fitted on the upper part of the connecting bearing, a lower bearing sleeve fitted on the lower part of the connecting bearing, connecting plates at both ends of the upper and lower bearing sleeves, a first locking screw rotatably connected inside the two connecting plates at both ends of the lower bearing sleeve, and the two first locking screws are threadedly connected to the inside of the two connecting plates at both ends of the upper bearing sleeve, and locking bolts are threadedly connected to the upper part of the two first locking screws. A support assembly for supporting the upper bearing sleeve is provided at the top of the upper bearing sleeve.

[0007] Preferably, the support assembly includes a first rotating seat mounted on the top of the upper bearing sleeve, a first hexagonal prism rotatably connected inside the first rotating seat, and a first connecting rod provided on the outer surface of the first hexagonal prism, a second connecting rod rotatably connected to one end of the first connecting rod, a second hexagonal prism provided inside the second connecting rod, and a second rotating seat rotatably connected to both ends of the second hexagonal prism.

[0008] Preferably, a first damping spring is provided between both ends of the first connecting rod and between both ends of the first rotating seat, and a second damping spring is provided between both ends of the second connecting rod and between both ends of the second rotating seat. A second locking screw is threaded into the interior of both the first and second rotating seats, and the two second locking screws are respectively threaded into the interior of the first hexagonal prism and the second hexagonal prism.

[0009] Preferably, the top of the second rotating seat is provided with a mounting plate, and mounting holes are provided at both ends of the mounting plate.

[0010] Preferably, the ends of the drive shaft and the driven shaft that are far apart from each other are provided with universal joints, and one end of each universal joint is provided with a mounting base.

[0011] Preferably, the drive shaft is provided with oil filler nozzles around its perimeter, and the four oil filler nozzles are respectively connected to the four oil filling chambers.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] By adding lubricating oil inside the oil injection chamber, the lubricating oil is guided to the oil outlet hole as the drive shaft rotates, thus achieving the effect of lubricating the connecting bearing, reducing the wear of the connecting bearing, extending its service life, and reducing the internal frictional resistance of the connecting bearing, making the drive shaft rotate more smoothly, thereby improving the transmission efficiency of the drive shaft.

[0014] By installing protective components on the surface of the connecting bearing, the connecting bearing is protected, preventing foreign objects from entering the bearing and keeping the interior clean, thereby reducing wear and extending the service life of the connecting bearing.

[0015] The support components provide support for the connecting bearings and allow for adjustments to their suspension height. This reduces vibration and wobbling, minimizes wear and fatigue caused by vibration, and extends the bearings' lifespan. Different lengths of drive shafts require appropriate angles for smooth power transmission. Adjusting the connecting bearing suspension height ensures optimal connection angles between the drive shaft and components such as the engine, transmission, and drive axle, minimizing power loss during transmission, improving transmission efficiency, and resulting in smoother vehicle power output. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a sectional front view of the drive shaft structure of this utility model;

[0018] Figure 3 This is a sectional front view of the drive shaft structure of this utility model;

[0019] Figure 4 This is a front view of the connecting bearing structure of this utility model;

[0020] Figure 5 This is a front view of the first rotating seat structure of this utility model;

[0021] Figure 6 This is the front view of the second rotating seat structure of this utility model.

[0022] In the diagram: 1. Drive shaft; 2. Connecting bearing; 3. Driven shaft; 4. Oil filling chamber; 5. Oil storage chamber; 6. Oil outlet pipe; 7. Oil outlet hole; 8. Limiting cover; 9. Tension spring; 10. Upper bearing sleeve; 11. Lower bearing sleeve; 12. Connecting plate; 13. First locking screw; 14. First rotating seat; 15. First hexagonal prism; 16. First connecting rod; 17. Second connecting rod; 18. Second hexagonal prism; 19. Second rotating seat; 20. First damping spring; 21. Second damping spring; 22. Second locking screw; 23. Oil filler nozzle. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] This utility model provides the following technical solution: a lubricated and wear-resistant intermediate drive shaft for automobiles.

[0025] Example 1: The oil injection chamber 4, oil outlet pipe 6, and oil outlet hole 7 can be used to lubricate the inside of the connecting bearing 2. Figures 1-4 As shown, the device includes a drive shaft 1, a connecting bearing 2 at one end of the drive shaft 1, a driven shaft 3 inside the connecting bearing 2, and the drive shaft 1 and the driven shaft 3 connected at one end inside the connecting bearing 2. The drive shaft 1 has oil filling chambers 4 around its interior, and an oil storage chamber 5 communicating with the four oil filling chambers 4. The drive shaft 1 has oil outlet pipes 6 around its interior, with one end of each of the four oil outlet pipes communicating with the oil storage chamber 5. The tops of the four oil outlet pipes 6 are connected to oil outlet holes 7 located around the interior of the connecting bearing 2. The tops of the four oil outlet pipes 6 movably abut against limit covers 8, and tension springs 9 are provided between the four limit covers 8 and the interior of each oil outlet pipe 6. Universal joints are provided at the ends of the drive shaft 1 and the driven shaft 3 that are far apart from each other, and mounting seats are provided at one end of each of the two universal joints. Oil fillers 23 are provided around the drive shaft 1, and the four oil fillers 23 are respectively connected to the four oil filling chambers 4.

[0026] The drive shaft 1 is fixed to the output source via the mounting bracket on the drive shaft 1. Then, the mounting bracket on the driven shaft 3 is fixed to the component to be driven. Lubricating oil can then be added into the oil filling chamber 4 through the oil filling nozzle 23. The lubricating oil then enters the oil storage chamber 5 through the oil filling chamber 4 and then reaches the oil outlet pipe 6. At this time, the limit cover 8, under the action of the tension spring 9, prevents oil from overflowing from the oil outlet pipe 6. When the drive shaft 1 rotates, the limit cover 8 will gradually move away from the oil outlet pipe 6 under the centrifugal force, so that the lubricating oil can enter the oil outlet hole 7 and flow into the connecting bearing 2, thereby lubricating the connecting bearing 2 and preventing its wear. The faster the rotation speed of the drive shaft 1, the more lubricating oil flows into the connecting bearing 2, and the better the lubrication effect. When the drive shaft 1 stops rotating, the limit cover 8 will cover the oil outlet pipe 6 under the action of the tension spring 9.

[0027] Example 2: Unlike Example 1, the protective components provided can protect the connecting bearing 2, such as... Figure 1 and Figure 4 As shown, the surface of the connecting bearing 2 is provided with a protective assembly for protecting the connecting bearing 2. The protective assembly includes an upper bearing sleeve 10 sleeved on the upper part of the connecting bearing 2 and a lower bearing sleeve 11 sleeved on the lower part of the connecting bearing 2. Both ends of the upper bearing sleeve 10 and the lower bearing sleeve 11 are provided with connecting plates 12. The two connecting plates 12 at both ends of the lower bearing sleeve 11 are rotatably connected with first locking screws 13, and the two first locking screws 13 are threadedly connected to the inside of the two connecting plates 12 at both ends of the upper bearing sleeve 10. The upper part of the two first locking screws 13 is threadedly connected with locking bolts.

[0028] The upper bearing sleeve 10 and the lower bearing sleeve 11 can be respectively fitted onto the upper middle and lower middle parts of the connecting bearing 2. Then, the first locking screw 13 is rotated to enter the connecting plates 12 on both sides of the upper bearing sleeve 10. Then, the locking bolt is rotated to allow the first locking screw 13 to enter the locking bolt, thereby fixing the upper bearing sleeve 10 and the lower bearing sleeve 11 and thus protecting the connecting bearing 2.

[0029] Example 3: Unlike Example 2, the supporting components provided can support the connecting bearing 2 and adjust its suspension height, such as... Figure 1 , Figures 4-6 As shown, the upper bearing sleeve 10 is provided with a support assembly at its top. The support assembly includes a first rotating seat 14 mounted on the top of the upper bearing sleeve 10. A first hexagonal prism 15 is rotatably connected inside the first rotating seat 14, and a first connecting rod 16 is provided on the outer surface of the first hexagonal prism 15. A second connecting rod 17 is rotatably connected to one end of the first connecting rod 16. A second hexagonal prism 18 is provided inside the second connecting rod 17. A second rotating seat 19 is rotatably connected to both ends of the second hexagonal prism 18. A first damping spring 20 is provided between both ends of the first connecting rod 16 and both ends inside the first rotating seat 14. A second damping spring 21 is provided between both ends of the second connecting rod 17 and both ends inside the second rotating seat 19. A second locking screw 22 is threadedly connected inside both the first rotating seat 14 and the second rotating seat 19. The two second locking screws 22 are respectively threaded into the interior of the first hexagonal prism 15 and the second hexagonal prism 18. A mounting plate is provided on the top of the second rotating seat 19, and mounting holes are provided at both ends inside the mounting plate.

[0030] The mounting plate can be installed at a suitable position on the bottom of the car through the mounting holes. Then, the first link 16 and the second link 17 can support the connecting bearing 2. When it is necessary to adjust the height of the connecting bearing 2, the two second locking screws 22 can be rotated to move them away from the first rotating seat 14 and the second rotating seat 19, so that the first link 16 and the second link 17 can rotate, thereby adjusting the suspension height of the connecting bearing 2. The first damping spring 20 and the second damping spring 21 can reduce the vibration force and reduce the vibration of the connecting bearing 2.

[0031] The above is the entire working process of the device, and all contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0032] The contents not described in detail in this specification are existing technologies known to those skilled in the art. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A lubricated and wear-resistant intermediate drive shaft for automobiles, comprising a drive shaft (1), a connecting bearing (2) provided at one end of the drive shaft (1), a driven shaft (3) provided inside the connecting bearing (2), and the drive shaft (1) and the driven shaft (3) being connected at one end inside the connecting bearing (2); Its features are: The drive shaft (1) is provided with oil injection chambers (4) around its interior. The drive shaft (1) is also provided with oil storage chambers (5) that communicate with the four oil injection chambers (4). The drive shaft (1) is provided with oil outlet pipes (6) around its interior, and one end of each of the four oil outlet pipes (6) is connected to the oil storage chamber (5). The top of each of the four oil outlet pipes (6) is connected to an oil outlet hole (7) that is opened around the interior of the connecting bearing (2). The top of each of the four oil outlet pipes (6) is movably abutted against a limit cover (8). Each of the four limit covers (8) is provided with a tension spring (9) between it and the interior of the oil outlet pipe (6). The surface of the connecting bearing (2) is provided with a protective component to protect the connecting bearing (2).

2. The lubricated and wear-resistant automotive intermediate drive shaft according to claim 1, characterized in that: The protective assembly includes an upper bearing sleeve (10) fitted on the upper part of the connecting bearing (2), a lower bearing sleeve (11) fitted on the lower part of the connecting bearing (2), and connecting plates (12) provided at both ends of the upper bearing sleeve (10) and the lower bearing sleeve (11). The two connecting plates (12) provided at both ends of the lower bearing sleeve (11) are rotatably connected with first locking screws (13), and the two first locking screws (13) are threaded to the inside of the two connecting plates (12) provided at both ends of the upper bearing sleeve (10). The upper part of the two first locking screws (13) is threaded with locking bolts. The top of the upper bearing sleeve (10) is provided with a support assembly for supporting the upper bearing sleeve (10).

3. The lubricated and wear-resistant automotive intermediate drive shaft according to claim 2, characterized in that: The support assembly includes a first rotating seat (14) mounted on the top of the upper bearing sleeve (10). A first hexagonal prism (15) is rotatably connected inside the first rotating seat (14), and a first connecting rod (16) is provided on the outer surface of the first hexagonal prism (15). A second connecting rod (17) is rotatably connected to one end of the first connecting rod (16). A second hexagonal prism (18) is provided inside the second connecting rod (17), and a second rotating seat (19) is rotatably connected to both ends of the second hexagonal prism (18).

4. The lubricated and wear-resistant intermediate drive shaft for automobiles according to claim 3, characterized in that: A first damping spring (20) is provided between both ends of the first connecting rod (16) and between both ends inside the first rotating seat (14), and a second damping spring (21) is provided between both ends of the second connecting rod (17) and between both ends inside the second rotating seat (19). A second locking screw (22) is threaded inside both the first rotating seat (14) and the second rotating seat (19), and the two second locking screws (22) are respectively threaded inside the first hexagonal prism (15) and the second hexagonal prism (18).

5. A lubricated and wear-resistant automotive intermediate drive shaft according to claim 3, characterized in that: The second rotating seat (19) has a mounting plate on top, and mounting holes are provided at both ends inside the mounting plate.

6. The lubricated and wear-resistant intermediate drive shaft for automobiles according to claim 1, characterized in that: Both the drive shaft (1) and the driven shaft (3) are provided with universal joints at their ends that are far apart from each other, and each of the two universal joints is provided with a mounting base at one end.

7. The lubricated and wear-resistant intermediate drive shaft for automobiles according to claim 1, characterized in that: The drive shaft (1) is provided with oil nozzles (23) around its perimeter, and the four oil nozzles (23) are respectively connected to the four oil filling chambers (4).

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