Automobile spindle with oil injection mechanism

Abstract

The utility model discloses an automobile main shaft with an oil injection mechanism, comprising an input shaft and a transmission shaft, a bearing body is installed on the outside of the input shaft, a first universal joint is fixedly connected to one side of the input shaft, a transmission shaft is fixedly connected to one side of the first universal joint, an auxiliary installation structure is installed on the outside of the bearing body, a spline shaft is wrapped inside the transmission shaft, an output shaft is fixedly connected to one side of the second universal joint, a transmission gear is fixedly connected to one side of the output shaft, and an oil storage tank is arranged inside one side of the spline shaft. The utility model is provided with an oil injection lubrication structure, and a relatively viscous lubricating oil is injected into the transmission shaft using an oil injection gun. When the automobile main shaft is used, the bump of the automobile drives the transmission shaft and the spline shaft to slide, and during the rotation and sliding process of the spline shaft, the ball rolls and adheres to a certain amount of lubricating oil, thereby reducing the friction of the transmission shaft and the spline shaft when sliding, and realizing convenient oil injection and lubrication of the main shaft.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile main shafts, in particular to an automobile main shaft with an oil injection mechanism. Background Art

[0002] The automobile spindle is a driving shaft connecting the wheels and the frame to transmit drive to the tires. The related parts installed on the spindle, such as the size and arrangement of the gears, have a direct impact on the speed and torque of the car. Therefore, the selection and installation stability of the automobile spindle play an important role in the car.

[0003] Common automobile spindles are mostly composed of bearings, universal joints, gears, shafts and other main parts, and their related parts play an important role in various parameters of normal driving of the car. Common automobile spindles have good stability during use, but there are still some problems:

[0004] Common automobile main shafts use the sliding and interlacing of sliding joint splines to offset the reduction in grip caused by bumps in the car during transmission. To avoid spindle wear during long-term use, automobile main shafts are often lubricated regularly. However, it is often inconvenient to lubricate common automobile main shafts. Utility Model Content

[0005] The utility model aims to provide an automobile main shaft with an oil injection mechanism, so as to solve the defect that the existing automobile main shaft is inconvenient to inject oil for lubrication.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: an automobile main shaft with an oil injection mechanism, comprising an input shaft and a transmission shaft, a bearing body is installed on the outer side of the input shaft, a first universal joint is fixedly connected to one side of the input shaft, a transmission shaft is fixedly connected to one side of the first universal joint, an auxiliary mounting structure is installed on the outer side of the bearing body, a spline shaft is wrapped inside the transmission shaft, a second universal joint is fixedly connected to one side of the spline shaft, an output shaft is fixedly connected to one side of the second universal joint, a transmission gear is fixedly connected to one side of the output shaft, an oil injection lubrication structure is provided on one side of the top end of the transmission shaft, the oil injection lubrication structure comprises an oil storage tank, balls, oil injection holes and a rubber plug, and the oil storage tank is opened inside one side of the spline shaft.

[0007] When in use, the input shaft is connected to the automobile engine drive assembly, so that when the engine is running, the automobile main shaft as a whole can be driven through the input shaft, and the transmission gear of the automobile main shaft is connected to the wheel axle box, so that the automobile tire can operate normally. Since one side of the spline shaft is inserted into the interior of the transmission shaft and can slide to a certain extent, the sliding of the transmission shaft and the spline shaft when the automobile is bumpy can enable the automobile tire to maintain a good grip.

[0008] Preferably, the auxiliary mounting structure includes a mounting seat, a bolt hole, a top cover and an insert, the mounting seat is mounted on the bottom of the bearing body, bolt holes are provided at both ends of the mounting seat, a top cover is installed above the bearing body, and inserts are fixedly connected at both ends of the bottom of the top cover, and the mounting seat and the top cover indirectly support the main shaft of the automobile by supporting and mounting the bearing body.

[0009] Preferably, the interiors of the two ends of the top of the mounting seat and the inserts are inlaid with each other, and the cross-sectional area of ​​the inner diameter of the top of the mounting seat is larger than the cross-sectional area of ​​the outer diameter of the bearing body.

[0010] Preferably, the inserts are symmetrically distributed on the bottom of the top cover.

[0011] Preferably, the inner side wall of the outer side of the spline shaft is wrapped with balls, an oil filling hole is provided on one side of the top end of the transmission shaft, and a rubber plug is provided inside the oil filling hole. During the rotation and sliding of the spline shaft, the balls roll and adhere to a certain amount of lubricating oil, thereby reducing the friction between the transmission shaft and the spline shaft when sliding.

[0012] Preferably, the oil storage tank is communicated with the interior of the oil filling hole.

[0013] Preferably, a plurality of balls are wrapped inside the outer wall of the spline shaft, and the plurality of balls are distributed at equal intervals inside the outer wall of the spline shaft, so that the lubricating effect of the lubricating oil is improved.

[0014] The utility model provides an automobile main shaft with an oil injection mechanism, which has the advantages that: by providing the oil injection lubrication structure, a relatively viscous lubricating oil can be injected into the interior of the transmission shaft using an oil injection gun, and when the automobile main shaft is in use, the transmission shaft and the spline shaft are driven to slide by the bumps of the automobile, and during the rotation and sliding of the spline shaft, the balls roll and adhere to a certain amount of lubricating oil, thereby reducing the friction between the transmission shaft and the spline shaft when sliding, thereby achieving convenient oil injection and lubrication of the main shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view structural schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of a three-dimensional partially disassembled structure of the utility model;

[0017] Figure 3 It is a three-dimensional disassembled structural schematic diagram of the auxiliary installation structure of the utility model;

[0018] Figure 4 For the utility model Figure 2 A schematic diagram of the enlarged structure of the local section at point A in the middle;

[0019] Figure 5It is a schematic diagram of a partial cross-sectional structure of the oil injection lubrication structure of the utility model in a side view.

[0020] In the figure: 1. input shaft; 2. bearing body; 3. first universal joint; 4. transmission shaft; 5. spline shaft; 6. second universal joint; 7. output shaft; 8. transmission gear; 9. auxiliary mounting structure; 901. mounting seat; 902. bolt hole; 903. top cover; 904. insert; 10. oil injection lubrication structure; 1001. oil storage tank; 1002. ball; 1003. oil injection hole; 1004. rubber plug. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 5 The utility model provides an automobile main shaft with an oil injection mechanism, comprising an input shaft 1 and a transmission shaft 4, a bearing body 2 is installed on the outer side of the input shaft 1, a first universal joint 3 is fixedly connected to one side of the input shaft 1, a transmission shaft 4 is fixedly connected to one side of the first universal joint 3, a spline shaft 5 is wrapped inside the transmission shaft 4, a second universal joint 6 is fixedly connected to one side of the spline shaft 5, an output shaft 7 is fixedly connected to one side of the second universal joint 6, a transmission gear 8 is fixedly connected to one side of the output shaft 7, an oil injection lubrication structure 10 is arranged on one side of the top end of the transmission shaft 4, and the oil injection lubrication structure 10 It includes an oil storage tank 1001, a ball 1002, an oil filling hole 1003 and a rubber plug 1004. The oil storage tank 1001 is opened inside one side of the spline shaft 5, and the inner part of the outer wall of the spline shaft 5 is wrapped with balls 1002. An oil filling hole 1003 is provided on one side of the top of the transmission shaft 4, and a rubber plug 1004 is provided inside the oil filling hole 1003. The oil storage tank 1001 is connected with the inside of the oil filling hole 1003. A plurality of balls 1002 are wrapped inside the outer wall of the spline shaft 5, and the plurality of balls 1002 are evenly distributed inside the outer wall of the spline shaft 5.

[0023] Refer to the attached Figure 1 , Figure 2 Figure 4 and Figure 5When the main shaft of the automobile is running, the input shaft 1 is connected to the automobile engine drive assembly, so that when the engine is running, the main shaft of the automobile can be driven as a whole through the input shaft 1, and the transmission gear 8 of the main shaft of the automobile is connected to the wheel axle box, so that the automobile tire can operate normally. Since one side of the spline shaft 5 is inserted into the inside of the transmission shaft 4 and can slide to a certain extent, the sliding of the transmission shaft 4 and the spline shaft 5 can keep the automobile tire with good grip when the automobile bumps. After the main shaft of the automobile is used for a long time, the sliding of the transmission shaft 4 and the spline shaft 5 occurs. Dry wear requires regular oiling and lubrication of the automobile main shaft. To facilitate lubrication, an oiling hole 1003 is opened on one side of the top of the transmission shaft 4, and a grease gun can be used to inject relatively viscous lubricating oil into the transmission shaft 4. When the automobile main shaft is in use, the vehicle bumps and drives the transmission shaft 4 and the spline shaft 5 to slide. The lubricating oil inside the transmission shaft 4 enters the oil storage tank 1001, and during the rotation and sliding of the spline shaft 5, the ball 1002 rolls and adheres to a certain amount of lubricating oil, thereby reducing the friction between the transmission shaft 4 and the spline shaft 5 when sliding.

[0024] An auxiliary mounting structure 9 is installed on the outer side of the bearing body 2, and the auxiliary mounting structure 9 includes a mounting seat 901, a bolt hole 902, a top cover 903 and an insert 904. The mounting seat 901 is installed at the bottom of the bearing body 2, and bolt holes 902 are opened at both ends of the mounting seat 901. A top cover 903 is installed above the bearing body 2, and both ends of the bottom of the top cover 903 are fixedly connected with inserts 904. The interiors of the two ends of the top of the mounting seat 901 are inlaid with the inserts 904. The cross-sectional area of ​​the inner diameter of the top of the mounting seat 901 is larger than the cross-sectional area of ​​the outer diameter of the bearing body 2, and the inserts 904 are symmetrically distributed at the bottom of the top cover 903.

[0025] Refer to the attached Figure 1 and Figure 3 When the automobile main shaft is in use, the main shaft has more supporting points, which facilitates installation while maintaining the stability of the main shaft. For this purpose, a mounting seat 901 is installed at the bottom of the bearing body 2, and the mounting seat 901 is fastened to the automobile chassis, and the top cover 903 is installed by inserting the insert 904 into the top of the mounting seat 901, and then fastened with bolts penetrating the bolt holes 902, so that the mounting seat 901 and the top cover 903 indirectly support the automobile main shaft through the supporting installation of the bearing body 2.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automobile main shaft with an oil injection mechanism, comprising an input shaft (1) and a transmission shaft (4); Features: A bearing body (2) is installed on the outer side of the input shaft (1), a first universal joint (3) is fixedly connected to one side of the input shaft (1), and a transmission shaft (4) is fixedly connected to one side of the first universal joint (3); An auxiliary mounting structure (9) is mounted on the outer side of the bearing body (2); The transmission shaft (4) is internally wrapped with a spline shaft (5), one side of the spline shaft (5) is fixedly connected to a second universal joint (6), one side of the second universal joint (6) is fixedly connected to an output shaft (7), one side of the output shaft (7) is fixedly connected to a transmission gear (8), and one side of the top end of the transmission shaft (4) is provided with an oil injection lubrication structure (10), the oil injection lubrication structure (10) comprises an oil storage tank (1001), a ball (1002), an oil injection hole (1003) and a rubber plug (1004), and the oil storage tank (1001) is opened inside one side of the spline shaft (5).

2. The automobile main shaft with an oil injection mechanism according to claim 1, characterized in that: The auxiliary mounting structure (9) comprises a mounting seat (901), a bolt hole (902), a top cover (903) and an insert (904); the mounting seat (901) is mounted on the bottom of the bearing body (2); bolt holes (902) are provided at both ends of the mounting seat (901); a top cover (903) is mounted above the bearing body (2); and inserts (904) are fixedly connected to both ends of the bottom of the top cover (903).

3. The automobile main shaft with an oil injection mechanism according to claim 2, characterized in that: The interior of the two ends of the top of the mounting seat (901) and the insert (904) are inlaid with each other, and the cross-sectional area of ​​the inner diameter of the top of the mounting seat (901) is larger than the cross-sectional area of ​​the outer diameter of the bearing body (2).

4. The automobile main shaft with an oil injection mechanism according to claim 2, characterized in that: The inserts (904) are symmetrically distributed at the bottom of the top cover (903).

5. The automobile main shaft with an oil injection mechanism according to claim 1, characterized in that: The inner side of the outer side wall of the spline shaft (5) is wrapped with a ball (1002), and one side of the top end of the transmission shaft (4) is provided with an oil filling hole (1003), and the inner side of the oil filling hole (1003) is provided with a rubber plug (1004).

6. The automobile main shaft with an oil injection mechanism according to claim 5, characterized in that: The oil storage tank (1001) is communicated with the interior of the oil filling hole (1003).

7. The automobile main shaft with an oil injection mechanism according to claim 5, characterized in that: A plurality of the balls (1002) are wrapped inside the outer wall of the spline shaft (5), and the plurality of the balls (1002) are distributed at equal intervals inside the outer wall of the spline shaft (5).

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