Self-lubricating differential device

Abstract

The utility model discloses a self-lubricating differential device, which relates to the technical field of differential devices and comprises a shell, a lubricating mechanism is mounted at the lower end of the shell, a filter component is mounted in the lubricating mechanism, a transmission shaft is rotatably connected to the middle of the front end of the shell, and a first gear is fixedly connected to the top of the transmission shaft. A first output shaft is rotationally connected to the middle of the right end of the shell, a first sun gear is fixedly mounted at the top of the first output shaft, and a second output shaft is rotationally connected to the middle of the left end of the shell. Under the cooperation of the bottom frame, the liquid pump, the oil pumping pipe, the conveying pipe, the oil spraying pipe and the oil spraying heads, lubricating oil stored in the bottom frame can be pumped out through the liquid pump and conveyed into the oil spraying pipe, the lubricating oil can be sprayed to a gear through the multiple sets of oil spraying heads, then the service life of the gear is prolonged, the used lubricating oil can flow back into the bottom frame, and the service life of the gear is prolonged. And therefore, the lubricating oil can be collected and can be recycled.

Description

Technical Field

[0001] The utility model relates to the technical field of differential devices, in particular to a self-lubricating differential device. Background Art

[0002] The differential is a mechanism that enables the left and right drive wheels to rotate at different speeds. It is mainly composed of left and right axle gears, two planetary gears and a gear rack. Its function is to make the left and right wheels roll at different speeds when the car is turning or driving on uneven roads, that is, to ensure that the drive wheels on both sides perform pure rolling motion. The differential is installed to adjust the speed difference between the left and right wheels.

[0003] In four-wheel drive, in order to drive the four wheels, all the wheels must be connected. If the four wheels are mechanically connected together, the car cannot rotate at the same speed when driving in a curve. In order to make the car rotate at a basically consistent speed when driving in a curve, an intermediate differential is needed to adjust the speed difference between the front and rear wheels.

[0004] The existing technology has the following problems:

[0005] In actual use, the existing device does not have a self-lubricating function, which causes the gears in the device to have a large friction force when rotating, affects the use efficiency, and easily leads to a significant reduction in the service life of the gears. Utility Model Content

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A self-lubricating differential device comprises a shell, a lubrication mechanism is installed at the lower end of the shell, a filter assembly is installed inside the lubrication mechanism, a transmission shaft is rotatably connected to the middle of the front end of the shell, a first gear is fixedly connected to the top of the transmission shaft, a first output shaft is rotatably connected to the middle of the right end of the shell, a first sun gear is fixedly installed on the top of the first output shaft, a second output shaft is rotatably connected to the middle of the left end of the shell, a second gear is fixedly installed on the top of the second output shaft, a second sun gear is fixedly installed in the middle of the top of the second gear, brackets are symmetrically fixedly installed on both sides of the top of the second bevel gear, a round rod is fixedly installed on the lower side of the top of the bracket, a star gear is fixedly installed on the bottom of the round rod, and a protective frame is fixedly installed on the top of the shell.

[0008] Preferably: the lubrication mechanism includes a bottom frame, the upper end of the bottom frame is fixedly connected to the lower end of the shell, a liquid pump is fixedly installed on the top rear side of the shell, a connected oil extraction pipe is fixedly installed on the rear end of the liquid pump, a connected delivery pipe is fixedly installed on the front end of the liquid pump, an oil injection pipe is fixedly installed on the top inner wall of the shell, a plurality of groups of fixedly installed oil injection heads are equidistantly distributed on the lower end of the bottom frame, and a movable groove is opened at the right end of the bottom frame.

[0009] Preferably, the bottom end of the oil extraction pipe is fixedly connected to the rear end of the bottom frame and communicated with each other.

[0010] Preferably, the top of the delivery pipe extends into the interior of the housing, the top of the delivery pipe is fixedly connected to and communicates with the upper end of the fuel injection pipe, and the fuel injection pipe is communicated with the fuel injection head.

[0011] Preferably: the filter assembly comprises a filter frame, the filter frame is movably connected to the bottom frame through a movable groove, a baffle is fixedly installed at the front end of the filter frame, a handle is fixedly installed in the middle of the front end of the baffle, through holes are symmetrically opened on both sides of the baffle, bolts are movably inserted inside the through holes, bolts are symmetrically opened on both side surfaces of the right end of the bottom frame, and a through opening is opened on the bottom inner wall of the outer shell.

[0012] Preferably, the bottom frame is connected to the inside of the outer shell through a through opening, and the movable groove is movably connected to the filter frame.

[0013] Preferably, the bolt is threadedly connected to the screw hole.

[0014] Preferably, the first gear is meshed with the second gear, the star gear is meshed with the first sun gear and the second sun gear, and the protection frame is located outside the liquid pump.

[0015] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0016] 1. The utility model provides a self-lubricating differential device. Through the lubrication mechanism, the lubricating oil stored in the bottom frame can be extracted by the liquid pump and delivered to the oil spray pipe through the cooperation of the bottom frame, the liquid pump, the oil extraction pipe, the delivery pipe, the oil spray pipe and the oil spray head. The lubricating oil can be sprayed onto the gears through multiple groups of oil spray heads, thereby increasing the service life of the gears. The used lubricating oil will flow back into the bottom frame, so that the lubricating oil can be collected and recycled.

[0017] 2. The utility model provides a self-lubricating differential device, which uses a filter assembly, a movable groove, a filter frame, a baffle, a handle, a through hole, a bolt, a screw hole, and a through port to facilitate the lubricating oil to flow back into the bottom frame. At the same time, the filter plate provided can filter the impurities in the lubricating oil, so that the lubricating oil can be recycled. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the self-lubricating differential device of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the rear view of the self-lubricating differential device of the utility model;

[0020] Figure 3 It is a schematic diagram of the internal structure of the self-lubricating differential device of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the lubrication mechanism of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the filter assembly of the utility model.

[0023] In the figure: 1. casing; 2. lubrication mechanism; 3. filter assembly; 4. transmission shaft; 5. first output shaft; 6. second output shaft; 7. protection frame; 41. first gear; 51. first sun gear; 61. second gear; 62. second sun gear; 63. bracket; 64. round rod; 65. star gear; 21. bottom frame; 22. liquid pump; 23. oil extraction pipe; 24. delivery pipe; 25. oil injection pipe; 26. oil injection head; 31. movable groove; 32. filter frame; 33. baffle; 34. handle; 35. through hole; 36. bolt; 37. screw hole; 38. through opening. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below in conjunction with the embodiments:

[0025] like Figure 1-5As shown, the utility model provides a self-lubricating differential device, including a shell 1, a lubricating mechanism 2 is installed at the lower end of the shell 1, a filter assembly 3 is installed inside the lubricating mechanism 2, a transmission shaft 4 is rotatably connected to the middle of the front end of the shell 1, a first gear 41 is fixedly connected to the top of the transmission shaft 4, a first output shaft 5 is rotatably connected to the middle of the right end of the shell 1, a first sun gear 51 is fixedly installed on the top of the first output shaft 5, a second output shaft 6 is rotatably connected to the middle of the left end of the shell 1, a second gear 61 is fixedly installed on the top of the second output shaft 6, a second sun gear 62 is fixedly installed in the middle of the top of the second gear 61, brackets 63 are symmetrically fixedly installed on both sides of the top of the second gear 61, a round rod 64 is fixedly installed on the lower side of the top of the bracket 63, a star gear 65 is fixedly installed on the bottom of the round rod 64, and a protective frame 7 is fixedly installed on the top of the shell 1.

[0026] The first gear 41 is meshed with the second gear 61 , the star gear 65 is meshed with the first sun gear 51 and the second sun gear 62 , and the protection frame 7 is located outside the liquid pump 22 .

[0027] Through the lubrication mechanism 2, the lubricating oil stored in the bottom frame 21 can be extracted by the liquid pump 22 and transported to the oil spray pipe 25. The lubricating oil can be sprayed onto the gears through multiple groups of oil spray heads 26, thereby increasing the service life of the gears. The used lubricating oil will flow back into the bottom frame 21, so that the lubricating oil can be collected and recycled.

[0028] like Figure 4 As shown, the lubrication mechanism 2 includes a bottom frame 21, the upper end of the bottom frame 21 is fixedly connected to the lower end of the shell 1, a liquid pump 22 is fixedly installed on the top rear side of the shell 1, a connected oil extraction pipe 23 is fixedly installed at the rear end of the liquid pump 22, a connected delivery pipe 24 is fixedly installed at the front end of the liquid pump 22, an oil injection pipe 25 is fixedly installed on the top inner wall of the shell 1, and a plurality of groups of fixedly installed oil injection heads 26 are equidistantly distributed at the lower end of the oil injection pipe 25, and a movable groove 31 is opened at the right end of the bottom frame 21.

[0029] The bottom end of the oil extraction pipe 23 is fixedly connected to the rear end of the bottom frame 21 and communicates with each other.

[0030] The top of the delivery pipe 24 extends into the interior of the housing 1 , and the top of the delivery pipe 24 is fixedly connected to and communicates with the upper end of the fuel injection pipe 25 , and the fuel injection pipe 25 is communicated with the fuel injection head 26 .

[0031] The oil injection pipe 25 and the oil injection head 26 are arranged to be located directly above the gear component, thereby facilitating oil injection lubrication thereof.

[0032] like Figure 5As shown, the filter assembly 3 includes a filter frame 32, which is movably connected to the bottom frame 21 through a movable groove 31, a baffle 33 is fixedly installed at the front end of the filter frame 32, a handle 34 is fixedly installed in the middle of the front end of the baffle 33, through holes 35 are symmetrically opened on both sides of the baffle 33, bolts 36 are movably inserted inside the through holes 35, bolts 36 are symmetrically opened on both side surfaces of the right end of the bottom frame 21, and a through opening 38 is opened on the bottom inner wall of the outer shell 1.

[0033] The bottom frame 21 is connected to the interior of the housing 1 through the opening 38 , and the movable groove 31 is movably connected to the filter frame 32 .

[0034] The bolt 36 is threadedly connected to the screw hole 37 .

[0035] When the filter frame 32 needs to be cleaned, the bolts 36 can be loosened from the screw holes 37 and removed, and then the handle 34 can be pulled outward to pull the filter frame 32 out of the bottom frame 21 through the movable groove 31, so that the impurities remaining on the filter frame 32 can be cleaned to prevent the impurities from clogging the filter frame 32 and reducing the filtering effect.

[0036] The working principle of the self-lubricating differential device is described in detail below.

[0037] like Figure 1-5 As shown, when the self-lubricating differential device is in use, when the gear components need to be lubricated, the liquid pump 22 can be started, so that the liquid pump 22 extracts the lubricating oil stored in the bottom frame 21 through the oil extraction pipe 23, and delivers the lubricating oil to the oil injection pipe 25 through the delivery pipe 24, and then the lubricating oil is sprayed onto the gear components below through a plurality of oil injection heads 26, and then the gear components can be lubricated with the lubricating oil, thereby increasing the service life of the gear components. At the same time, the lubricating oil on the gear components will flow into the through port 38 below, and all fall into the filter frame 32 through the through port 38, and then the impurities in the used lubricating oil can be filtered by the filter plate, so that the lubricating oil can be recycled, and finally the filtered lubricating oil will flow back to the inside of the bottom frame 21.

[0038] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A self-lubricating differential device, comprising a housing (1), a lubricating mechanism (2) being mounted at the lower end of the housing (1), characterized in that: A filter assembly (3) is installed inside the lubricating mechanism (2); a transmission shaft (4) is rotatably connected to the middle of the front end of the housing (1); a first gear (41) is fixedly connected to the top of the transmission shaft (4); a first output shaft (5) is rotatably connected to the middle of the right end of the housing (1); a first sun gear (51) is fixedly installed on the top of the first output shaft (5); a second output shaft (6) is rotatably connected to the middle of the left end of the housing (1); a second gear (61) is fixedly installed on the top of the second output shaft (6); a second sun gear (62) is fixedly installed in the middle of the top of the second gear (61); brackets (63) are symmetrically fixedly installed on both sides of the top of the second gear (61); a round rod (64) is fixedly installed on the lower side of the top of the bracket (63); a star gear (65) is fixedly installed on the bottom of the round rod (64); and a protective frame (7) is fixedly installed on the top of the housing (1); The lubricating mechanism (2) comprises a bottom frame (21), the upper end of the bottom frame (21) is fixedly connected to the lower end of the housing (1), a liquid pump (22) is fixedly mounted on the top rear side of the housing (1), a connected oil extraction pipe (23) is fixedly mounted on the rear end of the liquid pump (22), a connected delivery pipe (24) is fixedly mounted on the front end of the liquid pump (22), an oil injection pipe (25) is fixedly mounted on the top inner wall of the housing (1), and the oil injection pipe (25) is fixedly mounted on the top inner wall of the housing (1). 5), a plurality of fixedly mounted oil spray heads (26) are evenly distributed at the lower end thereof, a movable groove (31) is provided at the right end of the bottom frame (21), the bottom end of the oil extraction pipe (23) is fixedly connected to and communicated with the rear end of the bottom frame (21), the top of the delivery pipe (24) extends into the interior of the housing (1), the top of the delivery pipe (24) is fixedly connected to and communicated with the upper end of the oil spray pipe (25), and the oil spray pipe (25) is connected to the oil spray head (26); The filter assembly (3) comprises a filter frame (32), the filter frame (32) is movably connected to the bottom frame (21) through a movable groove (31), a baffle (33) is fixedly installed at the front end of the filter frame (32), a handle (34) is fixedly installed in the middle of the front end of the baffle (33), through holes (35) are symmetrically provided on both sides of the baffle (33), bolts (36) are movably inserted inside the through holes (35), bolts (36) are symmetrically provided on both sides of the right end of the bottom frame (21), a through opening (38) is provided on the bottom inner wall of the shell (1), the bottom frame (21) is connected to the inside of the shell (1) through the through opening (38), the movable groove (31) is movably connected to the filter frame (32), and the bolts (36) are threadedly connected to the screw holes (37); The first gear (41) is meshed with the second gear (61), the star gear (65) is meshed with the first sun gear (51) and the second sun gear (62), and the protection frame (7) is located outside the liquid pump (22).

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