External heat dissipation differential shell

Abstract

The utility model relates to the technical field of differential shells, and discloses an external heat dissipation differential shell which comprises a shell body, a second fixing sleeve is fixedly arranged in the middle of the upper end face of the shell body, a first fixing sleeve is fixedly arranged in the middle of the lower end face of the shell body, and a flange plate is fixedly arranged on the lower portion of the periphery of the shell body in a sleeving mode. Grooves are formed in the two sides of the upper end face of the shell body correspondingly, round holes are formed in the front ends and the rear ends of the upper end faces of the two grooves correspondingly, fixing plates are fixedly arranged at the positions, close to the lower portions, in the four round holes correspondingly, cooling fans are embedded in the middles of the upper end faces of the four fixing plates correspondingly, and placement holes are formed in the middles of the inner bottom faces of the four round holes correspondingly. And first cooling fins are fixedly arranged in the four placing holes. According to the shell, the service life of the shell body is prolonged, the situation of parts caused by overheating of the differential mechanism in the using process is reduced, and the heat dissipation efficiency of the differential mechanism in the shell body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of differential housings, in particular to an external heat dissipation differential housing. Background Art

[0002] The differential case is the outer shell of the differential, which is mainly used to protect the internal components of the differential and provide necessary support and fixation. It is a very important component in automobiles and many mechanical equipment. As a key component in the transmission system, the differential case not only undertakes the task of protecting the internal mechanism, but also protects the differential to operate in the best condition.

[0003] The existing differential housing is usually an integrated casting to protect the differential and reduce direct damage to the differential. However, the internal differential cannot be cooled during use, which can easily lead to excessive heat when the differential is in use, causing damage to the differential and reducing the service life of the differential.

[0004] Therefore, those skilled in the art provide an external heat dissipation differential housing to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose an external heat dissipation differential housing, which improves the heat dissipation effect of the outer shell body when it is in use, reduces the heat accumulation that leads to a reduction in the service life of the internal differential, a decrease in performance and increased friction and wear, and increases the service life of the outer shell body.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an external heat dissipation differential housing, comprising a shell body, a second fixing sleeve is fixedly arranged in the middle of the upper end surface of the shell body, a first fixing sleeve is fixedly arranged in the middle of the lower end surface of the shell body, a flange is arranged around the fixed sleeve at the lower part of the shell body, grooves are arranged on both sides of the upper end surface of the shell body, circular holes are arranged at both ends of the upper end surfaces of the two grooves, fixing plates are fixedly arranged at the lower part of the four circular holes, cooling fans are embedded in the middle of the upper end surfaces of the four fixing plates, placement holes are arranged in the middle of the inner bottom surfaces of the four circular holes, first heat sinks are fixedly arranged in the four placement holes, second ventilation holes are arranged on the opposite sides of the inner bottom surfaces of the four circular holes in pairs, and second heat sinks are fixedly arranged on the opposite sides of the four second ventilation holes in pairs;

[0007] The shell body comprises a base layer, an inner layer is fixedly arranged on the inner side of the base layer, and an outer layer is fixedly arranged on the outer side of the base layer;

[0008] The inner layer comprises a composite layer, and a heat-conducting layer is fixedly arranged on the inner side of the composite layer;

[0009] The outer layer comprises a corrosion-resistant layer, and a wear-resistant layer is fixedly arranged on the outer side of the corrosion-resistant layer;

[0010] Through the above technical scheme, the circular holes opened inside the grooves on both sides of the upper end surface of the shell body are used to rotate the heat dissipation fan on the upper end of the fixed plate inside the circular holes, and the heat inside the shell body is transported through the first heat dissipation fin inside the placement hole opened in the middle of the lower end surface of the circular hole and the second heat dissipation fin inside the second ventilation hole opened on the inner bottom surface of the circular hole, and discharged through the heat dissipation fan, thereby improving the heat dissipation effect of the shell body when it is used, reducing the service life of the internal differential due to heat accumulation, preventing overheating from causing performance degradation and increasing friction and wear, and maintaining the optimal state of the differential inside the shell body to prevent overheating from causing problems when the differential is used;

[0011] By arranging the outer layer outside the base layer in the shell body and the inner layer inside the base layer, the service life of the shell body is increased and the overall performance of the shell body is improved;

[0012] The composite layer disposed in the inner layer can improve the strength of the outer shell body and make it lightweight, and the heat conductive layer can make the outer shell body have good thermal conductivity;

[0013] The corrosion-resistant layer in the outer layer can prevent the outer shell from being corroded and oxidized when used for a long time in different environments, and the wear-resistant layer can enhance the wear resistance of the outer shell and extend its service life.

[0014] Furthermore, a transmission hole is provided in the middle of the front end surface of the shell body, and side rotation holes are provided in the middle of both sides of the transmission hole;

[0015] Through the above technical solution, the differential can be conveniently accommodated and used through the transmission hole opened in the middle of the front end surface of the shell body and the side rotation holes in the middle of both sides of the transmission hole.

[0016] Furthermore, heat dissipation holes are provided on both sides of the upper end surfaces of the four fixing plates, first ventilation holes are provided on opposite sides of the inner bottom surfaces of the four circular holes in pairs, and filters are fixedly provided inside the four circular holes above the four heat dissipation fans;

[0017] Through the above technical solution, the heat inside the shell body can be easily discharged through the heat dissipation holes on both sides of the upper end surface of the fixed plate, and the heat of the differential can be conveniently transferred through the first ventilation hole on the opposite side of the inner bottom surface of the circular hole and discharged through the heat dissipation fan. The filter screen arranged at the upper end of the heat dissipation fan can be used to reduce the entry of dust into the interior and the influence on the differential during heat dissipation.

[0018] Furthermore, the material used for the composite layer is a carbon fiber composite material;

[0019] Through the above technical solutions, carbon fiber composite materials have excellent strength and lightweight properties.

[0020] Furthermore, the material used for the heat-conducting layer is aluminum alloy;

[0021] Through the above technical solution, the aluminum alloy has good thermal conductivity, which reduces the situation where the heat of the shell body cannot be eliminated.

[0022] Furthermore, the material used for the corrosion-resistant layer is epoxy resin coating;

[0023] Through the above technical solution, the epoxy resin coating has excellent chemical corrosion resistance and impact resistance.

[0024] Furthermore, the material used for the wear-resistant layer is a polyurethane coating;

[0025] Through the above technical solution, the polyurethane coating has excellent wear resistance and elasticity, and can provide a certain degree of air permeability.

[0026] The utility model has the following beneficial effects:

[0027] 1. The utility model proposes an external heat dissipation differential housing. The circular holes provided in the grooves on both sides of the upper end surface of the shell body enable the heat dissipation fan on the upper end of the fixed plate inside the circular holes to rotate. The heat inside the shell body is transported through the first heat dissipation fin inside the placement hole provided in the middle of the lower end surface of the circular hole and the second heat dissipation fin inside the second ventilation hole provided on the inner bottom surface of the circular hole, and discharged through the heat dissipation fan, thereby improving the heat dissipation effect of the shell body when in use, reducing the service life of the internal differential due to heat accumulation, preventing overheating from causing performance degradation and increasing friction and wear, and maintaining the optimal state of the differential inside the shell body.

[0028] 2. The utility model proposes an external heat dissipation differential housing, which can improve the strength of the housing body and make it lightweight through the inner layer arranged on the inner side of the base layer of the housing body, so that the entire housing body has good thermal conductivity. The outer layer arranged on the outer side of the base layer can prevent the housing body from being corroded and oxidized when used for a long time in different environments, and can enhance the wear resistance of the housing body and extend its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of the axle side of the utility model;

[0030] Figure 2 It is a front cross-sectional schematic diagram proposed by the utility model;

[0031] Figure 3 It is a top view schematic diagram proposed by the utility model;

[0032] Figure 4 This is an enlarged view of point A proposed by the utility model;

[0033] Figure 5 This is a schematic diagram of the structure of the housing body proposed by the utility model;

[0034] Figure 6 This is a schematic diagram of the inner layer structure proposed by the utility model;

[0035] Figure 7 This is a schematic diagram of the outer layer structure proposed by the utility model.

[0036] Legend:

[0037] 1. Shell body; 2. Side rotation hole; 3. Flange; 4. First fixing sleeve; 5. Second fixing sleeve; 6. Groove; 7. Round hole; 8. Transmission hole; 9. Filter; 10. First heat sink; 11. Second heat sink; 12. Placement hole; 13. Cooling fan; 14. Cooling hole; 15. Fixing plate; 16. First ventilation hole; 17. Second ventilation hole; 101. Base layer; 102. Inner layer; 103. Outer layer; 10201. Heat conductive layer; 10202. Composite layer; 10301. Corrosion resistant layer; 10302. Wear resistant layer. DETAILED DESCRIPTION

[0038] 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.

[0039] Reference Figure 1-7 , an embodiment provided by the utility model:

[0040] An external heat dissipation differential housing comprises a shell body 1, a second fixing sleeve 5 is fixedly arranged in the middle of the upper end surface of the shell body 1, a first fixing sleeve 4 is fixedly arranged in the middle of the lower end surface of the shell body 1, a flange 3 is arranged on the fixed sleeve below the shell body 1, grooves 6 are arranged on both sides of the upper end surface of the shell body 1, circular holes 7 are arranged on both ends of the upper end surfaces of the two grooves 6, fixing plates 15 are fixedly arranged at the bottom of the four circular holes 7, cooling fans 13 are embedded in the middle of the upper end surfaces of the four fixing plates 15, placement holes 12 are arranged in the middle of the inner bottom surfaces of the four circular holes 7, first heat sinks 10 are fixedly arranged inside the four placement holes 12, second ventilation holes 17 are arranged on the opposite sides of the inner bottom surfaces of the four circular holes 7 in pairs, and second heat sinks 11 are fixedly arranged on the opposite sides of the four second ventilation holes 17 in pairs, and the second heat sinks 11 are fixedly arranged in the grooves 6 on both sides of the upper end surface of the shell body 1. The circular hole 7 opened in the middle of the lower end surface of the circular hole 7 allows the heat dissipation fan 13 on the upper end of the fixed plate 15 inside the circular hole 7 to rotate, and the heat inside the shell body 1 is transported through the first heat sink 10 inside the placement hole 12 opened in the middle of the lower end surface of the circular hole 7 and the second heat sink 11 inside the second ventilation hole 17 opened on the inner bottom surface of the circular hole 7, and discharged through the heat dissipation fan 13, thereby improving the heat dissipation effect of the shell body 1 when it is used, reducing the service life of the internal differential due to heat accumulation, preventing overheating from causing performance degradation and increasing friction and wear, maintaining the best state of the differential inside the shell body 1, and preventing overheating from causing problems when the differential is in use. The second fixing sleeve 5 arranged in the middle of the upper end surface of the shell body 1 and the first fixing sleeve 4 arranged in the middle of the lower end surface of the shell body 1 facilitate the differential shaft to be passed through the inside, so that the differential rotates inside the shell body 1.

[0041] The shell body 1 includes a base layer 101, an inner layer 102 is fixedly arranged on the inner side of the base layer 101, and an outer layer 103 is fixedly arranged on the outer side of the base layer 101. By arranging the outer layer 103 on the outer side of the base layer 101 and the inner layer 102 on the inner side of the base layer 101 in the shell body 1, the service life of the shell body 1 is increased and the overall performance of the shell body 1 is improved.

[0042] The inner layer 102 includes a composite layer 10202, and a heat-conducting layer 10201 is fixedly arranged on the inner side of the composite layer 10202. The composite layer 10202 arranged in the inner layer 102 can improve the strength of the outer shell body 1 and make it lightweight. The heat-conducting layer 10201 can make the entire outer shell body 1 have good thermal conductivity.

[0043] The outer layer 103 includes a corrosion-resistant layer 10301, and a wear-resistant layer 10302 is fixedly arranged on the outside of the corrosion-resistant layer 10301. The corrosion-resistant layer 10301 in the outer layer 103 can prevent the outer shell body 1 from corrosion and oxidation when used for a long time in different environments, and the wear-resistant layer 10302 can be arranged to enhance the wear resistance of the outer shell body 1 and extend its service life.

[0044] A transmission hole 8 is opened in the middle of the front end face of the shell body 1, and side rotation holes 2 are opened in the middle of both sides of the transmission hole 8. The transmission hole 8 opened in the middle of the front end face of the shell body 1 and the side rotation holes 2 in the middle of both sides of the transmission hole 8 facilitate the use of the differential.

[0045] Heat dissipation holes 14 are provided on both sides of the upper end surfaces of the four fixing plates 15, and first ventilation holes 16 are provided on opposite sides of the inner bottom surfaces of the four circular holes 7 in pairs. Filters 9 are fixedly arranged inside the four circular holes 7 above the four cooling fans 13. The heat inside the outer shell body 1 can be conveniently discharged through the heat dissipation holes 14 on both sides of the upper end surface of the fixing plates 15, and the heat of the differential can be conveniently transferred through the first ventilation holes 16 on the opposite side of the inner bottom surface of the circular holes 7 and discharged through the cooling fans 13. The filter 9 arranged on the upper end of the cooling fan 13 can conveniently reduce the entry of dust into the interior and the influence on the differential during heat dissipation.

[0046] The material used for the composite layer 10202 is a carbon fiber composite material, which has excellent strength and lightweight properties. The material used for the thermal conductive layer 10201 is an aluminum alloy, which has good thermal conductivity and can reduce the situation where the heat of the outer shell body 1 cannot be eliminated. The material used for the corrosion-resistant layer 10301 is an epoxy resin coating, which has good chemical corrosion resistance and impact resistance. The material used for the wear-resistant layer 10302 is a polyurethane coating, which has excellent wear resistance and elasticity, and can provide a certain degree of air permeability.

[0047] Working principle: After the differential is installed inside the shell body 1, the circular holes 7 opened inside the grooves 6 on both sides of the upper end surface of the shell body 1 when the differential is used make the heat dissipation fan 13 on the upper end of the fixing plate 15 inside the circular hole 7 rotate, and the heat inside the shell body 1 is transported through the first heat sink 10 inside the placement hole 12 opened in the middle of the lower end surface of the circular hole 7 and the second heat sink 11 inside the second ventilation hole 17 opened on the inner bottom surface of the circular hole 7, and discharged through the heat dissipation fan 13, thereby improving the heat dissipation effect of the shell body 1 when it is used, reducing the service life of the internal differential due to heat accumulation, and preventing overheating from causing performance degradation and increasing friction and wear.

[0048] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can 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 should be included in the protection scope of the present invention.

Claims

1. An external heat dissipation differential housing, comprising a housing body (1), characterized in that: A second fixing sleeve (5) is fixedly arranged in the middle of the upper end surface of the shell body (1), a first fixing sleeve (4) is fixedly arranged in the middle of the lower end surface of the shell body (1), a flange (3) is arranged around the fixed sleeve at the lower part of the shell body (1), grooves (6) are provided on both sides of the upper end surface of the shell body (1), circular holes (7) are provided at both ends of the upper end surface of the two grooves (6), fixing plates (15) are fixedly arranged at the lower part of the four circular holes (7), cooling fans (13) are embedded in the middle of the upper end surfaces of the four fixing plates (15), placement holes (12) are provided in the middle of the inner bottom surfaces of the four circular holes (7), first heat sinks (10) are fixedly arranged in the four placement holes (12), second ventilation holes (17) are provided on the opposite sides of the inner bottom surfaces of the four circular holes (7) in pairs, and second heat sinks (11) are fixedly arranged on the opposite sides of the four second ventilation holes (17) in pairs; The housing body (1) comprises a base layer (101), an inner layer (102) is fixedly arranged on the inner side of the base layer (101), and an outer layer (103) is fixedly arranged on the outer side of the base layer (101); The inner layer (102) comprises a composite layer (10202), and a heat-conducting layer (10201) is fixedly arranged on the inner side of the composite layer (10202); The outer layer (103) comprises a corrosion-resistant layer (10301), and a wear-resistant layer (10302) is fixedly arranged on the outer side of the corrosion-resistant layer (10301).

2. The external heat dissipation differential housing according to claim 1, characterized in that: A transmission hole (8) is provided in the middle of the front end surface of the shell body (1), and side rotation holes (2) are provided in the middle of both sides of the transmission hole (8).

3. The external heat dissipation differential housing according to claim 1, characterized in that: Heat dissipation holes (14) are provided on both sides of the upper end surfaces of the four fixing plates (15), first ventilation holes (16) are provided on opposite sides of the inner bottom surfaces of the four circular holes (7) in pairs, and filter screens (9) are fixedly arranged inside the four circular holes (7) above the four heat dissipation fans (13).

4. The external heat dissipation differential housing according to claim 1, characterized in that: The material used for the composite layer (10202) is carbon fiber composite material.

5. The external heat dissipation differential housing according to claim 1, characterized in that: The material used for the heat-conducting layer (10201) is aluminum alloy.

6. The external heat dissipation differential housing according to claim 1, characterized in that: The material used for the corrosion-resistant layer (10301) is epoxy resin coating.

7. The external heat dissipation differential housing according to claim 1, characterized in that: The material used for the wear-resistant layer (10302) is polyurethane coating.

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