CN220302666U - Differential mechanism casing for automobile - Google Patents
Differential mechanism casing for automobile Download PDFInfo
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- CN220302666U CN220302666U CN202322090014.4U CN202322090014U CN220302666U CN 220302666 U CN220302666 U CN 220302666U CN 202322090014 U CN202322090014 U CN 202322090014U CN 220302666 U CN220302666 U CN 220302666U
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- Prior art keywords
- shell layer
- heat
- differential mechanism
- mechanism casing
- differential
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- 239000011248 coating agent Substances 0.000 claims abstract description 33
- 238000000576 coating method Methods 0.000 claims abstract description 33
- 238000010276 construction Methods 0.000 claims abstract description 9
- 230000017525 heat dissipation Effects 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 239000003575 carbonaceous material Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910021392 nanocarbon Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 abstract description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a differential case for an automobile, which relates to the technical field of differential cases, and particularly relates to a differential case for an automobile. This differential mechanism casing for car through setting up the differential mechanism casing into the composite construction of outer shell layer-well shell layer-inner shell layer three-layer, when guaranteeing that the differential mechanism casing has higher structural strength, the well shell layer of inlayer can reduce the weight of differential mechanism casing, improves wear-resisting, pressure resistance, improves life, through setting up the heat conduction coating in the inside of differential mechanism casing, promotes the heat exchange efficiency on object surface greatly.
Description
Technical Field
The utility model relates to the technical field of differential shells, in particular to a differential shell for an automobile.
Background
The differential mechanism for automobile is a mechanism capable of making left and right (or front and back) driving wheels implement rotation at different rotation speeds, and is mainly formed from left and right half-axle gears, two planetary gears and gear frame. In four-wheel drive, all wheels must be connected in order to drive the four wheels, if the four wheels are mechanically connected together, the vehicle cannot rotate at the same speed during curved running, and in order to enable the rotational speeds of the vehicle during curved running to be substantially uniform, an intermediate differential is required to adjust the rotational speed difference between the front and rear wheels.
Patent publication No. CN205908707U proposes a differential case for an automobile, which includes a first positioning ring, a supporting ring disposed on the first positioning ring, a supporting column disposed on the supporting ring, a first positioning hole disposed on the supporting column, a second positioning ring disposed on the supporting column, an auxiliary supporting ring disposed on the second positioning ring, a connecting ring disposed on the auxiliary supporting ring, and second positioning holes and third positioning holes disposed on the first positioning ring, the second positioning ring, respectively; the diameter phi of the first positioning ring is 180-190 mm, the diameter phi 1 of the second positioning ring is 110-120 mm, and the diameter phi 3 of the connecting ring is 50-60 mm. When the structure is used, the whole differential housing is made of aluminum alloy materials, the aluminum alloy has high manufacturing cost compared with a traditional steel structure, the structural strength is low under the same thickness, and meanwhile, the heat dissipation effect is not good enough, so that the differential housing for the automobile is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a differential case for an automobile, which solves the problems in the background art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a differential mechanism casing for car, includes the differential mechanism casing, the differential mechanism casing includes crust layer, well shell layer, interior shell layer three-layer structure, wherein crust layer and interior shell layer are steel construction, well shell layer is aluminium construction, and the inboard spraying of differential mechanism casing has the heat conduction coating, the internally mounted of differential mechanism casing has the heat conduction post, the outside cover of differential mechanism casing is equipped with the conducting strip, the surface connection of conducting strip has the fin, the inside cover of heat conduction post is equipped with the heat pipe, the one end suit that the heat conduction post was kept away from to the heat pipe is to the inside of fin.
Optionally, the middle shell layer is located between the outer shell layer and the inner shell layer, and the outer shell layer, the middle shell layer and the inner shell layer are connected together through a welding process.
Optionally, the heat conducting coating is a graphite heat conducting coating, and the inner surface of the inner shell layer is sprayed.
Optionally, the heat conduction post is lattice-shaped and distributes in the inside of differential mechanism casing, the heat conduction post runs through crust layer, well shell, inner shell layer, the heat conduction post adopts aluminum material preparation and is connected as a whole with well shell layer.
Optionally, the conducting strip laminating is in the surface of differential mechanism casing, the fin is lamellar and equidistant the distribution in the outside of conducting strip, the surface spraying of fin has the heat dissipation coating.
Optionally, the heat dissipation coating is a nano heat dissipation coating, and the nano heat dissipation coating is formed by spraying a nano carbon material.
Optionally, the bottom of differential mechanism casing is connected with the fixed disk, transmission shaft mounting hole one has been seted up at the middle part of fixed disk, transmission shaft mounting hole two has been seted up at the top of differential mechanism casing.
The utility model provides a differential case for an automobile, which has the following beneficial effects:
1. according to the differential shell for the automobile, the differential shell is arranged to be of a composite structure of an outer shell layer, a middle shell layer and an inner shell layer, the weight of the differential shell can be reduced by the middle shell layer of the inner layer while the differential shell is guaranteed to have higher structural strength, the wear resistance and the pressure resistance are improved, the service life is prolonged, and a heat conducting coating is arranged in the differential shell and has extremely high heat conductivity and higher emissivity, the heat conductivity can reach 5300W/m.K, the emissivity is above 0.95, and the heat exchange efficiency of the surface of an object is greatly improved.
2. This differential mechanism casing for car, through set up the heat pipe in the inside of conducting strip, the heat in the differential mechanism casing is derived to the external world that the heat pipe can be quick, improves the heat conduction efficiency of differential mechanism casing, is favorable to carrying out quick the loss to the inside gear of differential mechanism casing, through set up the fin in the outside of differential mechanism casing, the fin has increased differential mechanism casing external surface area, has improved the radiating efficiency of differential mechanism casing, and the radiating coating on fin surface can improve radiating efficiency simultaneously for reduce the temperature of fin.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic top view of the present utility model;
FIG. 4 is a schematic view of a heat conducting column according to the present utility model;
fig. 5 is a schematic structural diagram of the heat dissipation coating of the present utility model.
In the figure: 1. a differential case; 11. an outer shell layer; 12. a middle shell layer; 13. an inner shell layer; 2. a thermally conductive coating; 3. a heat conducting column; 4. a heat conductive sheet; 5. a heat sink; 6. a heat-dissipating coating; 7. a heat conduction pipe; 8. a fixed plate; 81. a transmission shaft mounting hole I; 9. and a transmission shaft mounting hole II.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1 and 2, the present utility model provides a technical solution: the utility model provides a differential mechanism casing for car, including differential mechanism casing 1, differential mechanism casing 1 includes outer shell layer 11, well shell layer 12, the three-layer construction of inner shell layer 13, wherein outer shell layer 11 and inner shell layer 13 are steel construction, well shell layer 12 is aluminium construction, through setting up differential mechanism casing 1 as the composite construction of outer shell layer 11-well shell layer 12-inner shell layer 13 three-layer, when guaranteeing that differential mechanism casing 1 has higher structural strength, the well shell layer 12 of inlayer can reduce differential mechanism casing 1's weight, improve wear resistance, pressure resistance, improve life, well shell layer 12 is located between outer shell layer 11 and inner shell layer 13, outer shell layer 11, well shell layer 12, inner shell layer 13 links together through welding process, the inboard spraying of differential mechanism casing 1 has heat conduction coating 2, heat conduction coating 2 is graphite heat conduction coating, through setting up heat conduction coating 2 in differential mechanism casing 1, heat conduction coating 2 has high thermal conductivity and stronger radiance, the thermal conductivity can reach 5300W/m.K, the emissivity is above 0.95, promote the thermal exchange efficiency of object surface greatly, the internal surface of inner shell layer 13.
Referring to fig. 2 and 4, the heat conducting columns 3 are installed inside the differential case 1, the heat conducting columns 3 are distributed inside the differential case 1 in a lattice shape, the heat conducting columns 3 penetrate through the outer case 11, the middle case 12 and the inner case 13, heat conducting performance of the heat conducting columns 3 is superior to that of the inner case 13 through arrangement of the heat conducting columns 3, heat inside the differential case 1 can be conducted to the outside more quickly, the heat conducting columns 3 are made of aluminum materials and are connected with the middle case 12 into a whole, the heat conducting sheets 4 are sleeved outside the differential case 1, the heat conducting sheets 4 are attached to the outer surface of the differential case 1, the heat radiating sheets 5 are connected to the outer surface of the heat conducting sheets 4, the heat radiating sheets 5 are arranged outside the differential case 1, the outer surface area of the differential case 1 is increased, the heat radiating efficiency of the differential case 1 is improved, and the heat radiating sheets 5 are distributed outside the heat conducting sheets 4 in a flake shape and an equal interval.
Referring to fig. 2, 3 and 5, a heat dissipation coating 6 is sprayed on the outer surface of the heat dissipation sheet 5, the heat dissipation coating 6 is a nano heat dissipation coating, through setting the heat dissipation coating 6, the heat dissipation efficiency of the heat dissipation coating 6 on the surface of the heat dissipation sheet 5 can be improved, the temperature of the heat dissipation sheet 5 is accelerated to be reduced, the nano heat dissipation coating is formed by spraying nano carbon materials, a heat conduction pipe 7 is sleeved inside the heat conduction column 3, one end of the heat conduction pipe 7, which is far away from the heat conduction column 3, is sleeved inside the heat dissipation sheet 5, the heat conduction pipe 7 is arranged inside the heat conduction sheet 4, the heat conduction pipe 7 can rapidly conduct heat in the differential case 1 to the outside, the heat conduction efficiency of the differential case 1 is improved, the rapid dissipation of gears inside the differential case 1 is facilitated, a fixed disc 8 is connected to the bottom of the differential case 1, a transmission shaft mounting hole one 81 is formed in the middle of the differential case 1, and a transmission shaft mounting hole two 9 is formed in the top of the differential case 1.
In summary, when the differential case for the automobile is used, the differential case 1 is set to be of a composite structure of an outer case layer 11, a middle case layer 12 and an inner case layer 13, the differential case 1 has higher structural strength, meanwhile, the weight of the differential case 1 can be reduced, the wear resistance and the pressure resistance are improved, when heat is generated in the differential case 1, the heat can be quickly transmitted to the heat conducting post 3 through the heat conducting coating 2, then the heat is quickly transmitted to the radiating fins 5 through the heat conducting pipes 7 in the heat conducting post 3, finally the heat is dissipated into the air through the radiating fins 5, the outer surface area of the differential case 1 is increased through the radiating fins 5, the heat dissipation efficiency of the radiating coating 6 on the surface of the radiating fins 5 is improved, and the heat dissipation is quickened.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Differential mechanism casing for car, including differential mechanism casing (1), its characterized in that: differential mechanism casing (1) include shell layer (11), well shell layer (12), inner shell layer (13) three-layer structure, wherein shell layer (11) and inner shell layer (13) are steel construction, well shell layer (12) are aluminium construction, and the inboard spraying of differential mechanism casing (1) has heat conduction coating (2), the internally mounted of differential mechanism casing (1) has heat conduction post (3), the outside cover of differential mechanism casing (1) is equipped with conducting strip (4), the external surface of conducting strip (4) is connected with fin (5), the inside cover of heat conduction post (3) is equipped with heat pipe (7), the one end suit that heat conduction post (3) was kept away from to heat pipe (7) is to the inside of fin (5).
2. The differential case for an automobile according to claim 1, wherein: the middle shell layer (12) is positioned between the outer shell layer (11) and the inner shell layer (13), and the outer shell layer (11), the middle shell layer (12) and the inner shell layer (13) are connected together through a welding process.
3. The differential case for an automobile according to claim 1, wherein: the heat conducting coating (2) is a graphite heat conducting coating, and is sprayed on the inner surface of the inner shell layer (13).
4. The differential case for an automobile according to claim 1, wherein: the heat conduction columns (3) are distributed in the differential mechanism shell (1) in a lattice mode, the heat conduction columns (3) penetrate through the outer shell layer (11), the middle shell layer (12) and the inner shell layer (13), and the heat conduction columns (3) are made of aluminum materials and are connected with the middle shell layer (12) into a whole.
5. The differential case for an automobile according to claim 1, wherein: the heat conducting fin (4) is attached to the outer surface of the differential mechanism shell (1), the heat radiating fins (5) are in a sheet shape and distributed outside the heat conducting fin (4) at equal intervals, and a heat radiating coating (6) is sprayed on the outer surface of the heat radiating fin (5).
6. The differential case for an automobile according to claim 5, wherein: the heat dissipation coating (6) is a nano heat dissipation coating, and the nano heat dissipation coating is formed by spraying a nano carbon material.
7. The differential case for an automobile according to claim 1, wherein: the bottom of differential mechanism casing (1) is connected with fixed disk (8), transmission shaft mounting hole one (81) has been seted up at the middle part of fixed disk (8), transmission shaft mounting hole two (9) have been seted up at the top of differential mechanism casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322090014.4U CN220302666U (en) | 2023-08-01 | 2023-08-01 | Differential mechanism casing for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322090014.4U CN220302666U (en) | 2023-08-01 | 2023-08-01 | Differential mechanism casing for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220302666U true CN220302666U (en) | 2024-01-05 |
Family
ID=89351964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322090014.4U Active CN220302666U (en) | 2023-08-01 | 2023-08-01 | Differential mechanism casing for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220302666U (en) |
-
2023
- 2023-08-01 CN CN202322090014.4U patent/CN220302666U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |