Differential mechanism shell with heat dissipation structure

Abstract

The utility model relates to the technical field of differential mechanisms, in particular to a differential mechanism shell with a heat dissipation structure, which comprises a rear shell, a front shell and a bolt, the rear side of the rear shell is fixedly connected with the front side of an air inlet, the inner side wall of the air inlet is movably connected with the outer side wall of a filter screen, and the air inlet is rotatably connected with a driving shaft rod. The driving shaft rod is rotationally connected with the differential box, the outer side wall of the differential box is fixedly connected with one side of the cooling fin, the other side of the cooling fin movably abuts against the inner side wall of the rear shell and the inner side wall of the front shell, the rear side of the front shell and the front side of the rear shell are installed and connected through bolts, and the front side of the front shell is fixedly connected with the rear side of the air outlet. And the inner side wall of the air outlet is connected with the outer side wall of the radiator. According to the differential mechanism shell with the heat dissipation structure, a large amount of heat generated by gear friction in a differential mechanism can be effectively conducted out of the differential mechanism through the heat conduction effect, and the heat is discharged through the heat dissipation device.

Description

TECHNICAL FIELD

[0001] The utility model relates to differential mechanism technical field, concretely is a differential mechanism shell with heat dissipation structure. BACKGROUND

[0002] Differential mechanism is an important component of automobile transmission system, and its function can adjust the speed difference of automobile left and right wheels, and can make automobile left and right wheels rotate at different speeds, and differential mechanism realizes this effect through the transmission between different gears.

[0003] But gear can produce a large amount of heat in high-speed motion friction, if the heat is too high and cannot be dissipated in time, not only will affect the use of differential mechanism itself, and also can greatly reduce the life of internal parts, and accelerate the aging of parts. SUMMARY

[0004] The utility model discloses a differential mechanism shell with heat dissipation structure to solve the problem that a large amount of heat is produced when differential mechanism moves and cannot be dissipated in time in the background art, to realize the above-mentioned purpose, the utility model provides the following technical scheme: a differential mechanism shell with heat dissipation structure, including rear shell, front shell and bolt, the rear side of rear shell is fixedly connected with the front side of air inlet, the inner side wall of air inlet is movably connected with the outer side wall of filter screen, the air inlet is rotatably connected with driving shaft rod, the driving shaft rod is rotatably connected with differential case,

[0005] The outer side wall of differential case is fixedly connected with one side of heat dissipation fin, the other side of heat dissipation fin is movably abutted with the inner side wall of rear shell and front shell, the rear side of front shell is connected with the front side of rear shell through bolt mounting,

[0006] The front side of front shell is fixedly connected with the rear side of air outlet, the inner side wall of air outlet is mounted with the outer side wall of radiator, temperature sensor is arranged in the air outlet, the inner side wall of air outlet is movably connected with the outer side wall of filter screen.

[0007] Further preferably, the rear shell includes a wing plate, the rear shell is provided with a wing plate around, and a plurality of bolt holes are formed in the wing plate, and the outer side wall of the rear shell is installed and connected with the inner side wall of the shell through the bolt.

[0008] Further preferably, the air inlet includes a fixed ring, the fixed ring is arranged on the inner side of the back of the air inlet, and the fixed ring is rotatably connected with the driving shaft rod, the fixed ring is fixedly connected with the air inlet through the fixed rod, and the four sides and the back of the air inlet are throughly arranged, and the inner side wall of the through part of the air inlet is movably connected with the outer side wall of the filter screen.

[0009] Further preferably, the heat dissipation fins are vertically arranged on the outer side wall of the differential case, and the heat dissipation fins are vertically and uniformly distributed on the outer side wall of the differential case.

[0010] Further preferably, the front shell is provided with right-angle wings on the periphery, bolt holes are formed in the right-angle wings, the inner side dimension of the right-angle wings of the front shell is the same as the outer side dimension of the wings, and the number of the bolt holes in the right-angle wings is the same as that of the wings.

[0011] Further preferably, the heat radiator comprises a fixing sleeve, the outer side wall of the fixing sleeve is connected with the inner side wall of the air outlet, the fixing sleeve is fixedly connected with the motor through a fixing support, and the output end of the motor is fixedly provided with heat dissipation fan blades.

[0012] Further preferably, the temperature sensor is arranged inside the rear side of the air outlet, and the sensing end of the temperature sensor faces the front shell.

[0013] Compared with the prior art, the heat dissipation device has the advantages that:

[0014] In the heat dissipation device, the problem that a large amount of heat generated by the differential mechanism during high-speed movement cannot be dissipated in time is effectively solved, the heat is transferred from high-temperature position to low-temperature position by using the characteristic of heat, and the heat in the differential mechanism is conducted to the shell by using the good heat conduction performance of the metal.

[0015] In the heat dissipation device, the heat in the differential mechanism is conducted to the shell, and then the heat is discharged in time through the heat radiator of the shell, so that the work of the differential mechanism is not affected by the excessively high temperature, and the service life of the internal parts of the differential mechanism is effectively prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view structural schematic diagram of the heat dissipation device;

[0017] Figure 2 It is a whole sectional view structural schematic diagram of the heat dissipation device;

[0018] Figure 3 It is a left view structural schematic diagram of the heat dissipation device;

[0019] Figure 4 It is a front shell structural schematic diagram of the heat dissipation device;

[0020] Figure 5 It is an air inlet sectional view structural schematic diagram of the heat dissipation device;

[0021] Figure 6 It is a heat radiator structural sectional view of the heat dissipation device.

[0022] In the figure: 1, rear shell; 101, wing plate; 102, bolt hole; 2, air inlet; 201, fixed ring; 202, fixed rod; 3, filter screen; 4, drive shaft; 5, differential case; 6, heat dissipation fin; 7, front shell; 8, bolt; 9, air outlet; 10, radiator; 1001, fixed sleeve; 1002, fixed support; 1003, motor; 1004, heat dissipation fan blade; 11, temperature sensor. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1 to 6 The utility model provides a kind of technical solutions: a differential housing with heat dissipation structure, including rear shell 1, front shell 7 and bolt 8, rear shell 1 rear side is fixedly connected with the front side of air inlet 2, the inner side wall of air inlet 2 is movably connected with the outer side wall of filter screen 3, air inlet 2 is rotatably connected with drive shaft 4, drive shaft 4 is rotatably connected with differential case 5;

[0025] The outer side wall of differential case 5 is fixedly connected with one side of heat dissipation fin 6, the other side of heat dissipation fin 6 is movably abutted with the inner side wall of rear shell 1 and front shell 7, the rear side of front shell 7 is installed and connected with the front side of rear shell 1 by bolt 8;

[0026] The front side of front shell 7 is fixedly connected with the rear side of air outlet 9, the inner side wall of air outlet 9 is installed and connected with the outer side wall of radiator 10, temperature sensor 11 is arranged in air outlet 9, the inner side wall of air outlet 9 is movably connected with the outer side wall of filter screen 3.

[0027] In the embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 And Figure 4 , rear shell 1 includes wing plate 101, rear shell 1 is provided with wing plate 101 around, and a plurality of bolt holes 102 are formed in wing plate 101, and the outer side wall of rear shell 1 is installed and connected with the inner side wall of front shell 7 by bolt 8.

[0028] In the embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 And Figure 5As shown, the air inlet 2 includes a fixed ring 201, which is arranged on the inner side of the back of the air inlet 2 and is rotationally connected with the driving shaft rod 4, and the fixed ring 201 is fixedly connected with the air inlet 2 through a fixed rod 202, and the four sides and the back of the air inlet 2 are throughly arranged, and the inner side wall of the through part of the air inlet 2 is movably connected with the outer side wall of the filter screen 3.

[0029] In the embodiment, as shown in Figure 2 As shown, the heat dissipation fins 6 are vertically arranged on the outer side wall of the differential case 5, and the heat dissipation fins 6 are vertically and uniformly distributed on the outer side wall of the differential case 5.

[0030] In the embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 As shown, the four sides of the front shell 7 are provided with right-angle wing plates, and the same number of bolt holes 102 as the wing plates 101 are arranged on the right-angle wing plates, and the inner side dimension of the right-angle wing plates of the front shell 7 is the same as the outer side dimension of the wing plates 101.

[0031] In the embodiment, as shown in Figure 1 、 Figure 2 and Figure 6 As shown, the heat sink 10 includes a fixed sleeve 1001, the outer side wall of the fixed sleeve 1001 is mounted and connected with the inner side wall of the air outlet 9, and the fixed sleeve 1001 is fixedly connected with a motor 1003 through a fixed support 1002, and the output end of the motor 1003 is fixedly installed with a heat dissipation fan blade 1004.

[0032] In the embodiment, as shown in Figure 3 As shown, the temperature sensor 11 is arranged inside the back side of the air outlet 9, and the sensing end of the temperature sensor 11 faces the front shell 7.

[0033] The use method and advantages of the differential housing with the heat dissipation structure are as follows:

[0034] As Figures 1 to 6As shown, first, the drive shaft 4 rotates normally through the fixed gear in the differential case 5. The interior of the differential case 5 is filled with conditioner, which can reduce the friction of the gears, and the conditioner can conduct the heat generated by the friction of the gears to the outer wall of the differential case 5. The outer wall of the differential case 5 is provided with heat dissipation fins 6. The temperature inside the differential case 5 is conducted to the heat dissipation fins 6. The contact area with the air can be increased through the heat dissipation fins 6. At this time, the internal temperature of the front shell 7 begins to rise until it reaches the preset threshold of the temperature sensor 11 at the air outlet 9. The radiator 10 starts to work, and the motor 1003 starts to drive the heat dissipation fan blades 1004 to rotate, extracting the heat from the rear shell 1 and the front shell 7, and discharging the heat through the air outlet 9. The air inlet 2 on the rear side draws in the low-temperature air from the outside and takes away the high temperature through the heat dissipation fins 6, forming an internal and external air circulation, which effectively improves the heat dissipation efficiency. A filter 3 is installed on the inside of the air inlet 2 and the air outlet 9 to effectively prevent external dust from entering. The filter 3 can be installed and removed for easy cleaning.

[0035] The above shows and describes the basic principles, main features, and advantages of the present invention. Persons skilled in the art should understand that the present invention is not limited to the above-described embodiments. The above-described embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A differential housing with a heat dissipation structure, comprising a rear housing (1), a front housing (7) and bolts (8), characterized in that: The rear side of the rear shell (1) is fixedly connected to the front side of the air inlet (2), the inner side wall of the air inlet (2) is movably connected to the outer side wall of the filter (3), the air inlet (2) is rotationally connected to the drive shaft (4), and the drive shaft (4) is rotationally connected to the differential case (5); The outer side wall of the differential case (5) is fixedly connected to one side of the heat dissipation fin (6), and the other side of the heat dissipation fin (6) is movably abutted against the inner side walls of the rear shell (1) and the front shell (7), and the rear side of the front shell (7) is installed and connected to the front side of the rear shell (1) by bolts (8); The front side of the front shell (7) is fixedly connected to the rear side of the air outlet (9), the inner wall of the air outlet (9) is installed and connected to the outer wall of the radiator (10), a temperature sensor (11) is provided inside the air outlet (9), and the inner wall of the air outlet (9) is movably connected to the outer wall of the filter (3).

2. The differential case with a heat dissipation structure according to claim 1, characterized in that: The rear shell (1) includes a wing plate (101), which is arranged around the rear shell (1) and has a plurality of bolt holes (102) formed on the wing plate (101). The outer side wall of the rear shell (1) is engaged and connected with the inner side wall of the front shell (7) by bolts (8).

3. The differential case with a heat dissipation structure according to claim 1, characterized in that: The air inlet (2) includes a fixing ring (201), the fixing ring (201) is arranged on the inner side of the back of the air inlet (2), and the fixing ring (201) is rotatably connected to the driving shaft (4), the fixing ring (201) is fixedly connected to the air inlet (2) through the fixing rod (202), and the four sides and the back of the air inlet (2) are through-set, and the inner side wall of the through-point of the air inlet (2) is movably connected to the outer side wall of the filter (3).

4. The differential housing with a heat dissipation structure according to claim 1, characterized in that: The heat dissipation fins (6) are vertically arranged on the outer side wall of the differential case (5), and the heat dissipation fins (6) are vertically evenly distributed on the outer side wall of the differential case (5).

5. The differential case with a heat dissipation structure according to claim 2, characterized in that: The front shell (7) is provided with right-angled wing plates around its periphery, and the right-angled wing plates are provided with the same number of bolt holes (102) as the wing plates (101), and the inner dimensions of the right-angled wing plates of the front shell (7) are the same as the outer dimensions of the wing plates (101).

6. The differential case with a heat dissipation structure according to claim 1, characterized in that: The radiator (10) comprises a fixed sleeve (1001), the outer wall of the fixed sleeve (1001) is mounted and connected to the inner wall of the air outlet (9), and the fixed sleeve (1001) is fixedly connected to the motor (1003) via a fixed bracket (1002), and a heat dissipation fan blade (1004) is fixedly mounted on the output end of the motor (1003).

7. The differential case with a heat dissipation structure according to claim 1, characterized in that: The temperature sensor (11) is arranged inside the rear side of the air outlet (9), and the sensing end of the temperature sensor (11) faces the front shell (7).

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