CN207814400U - A kind of rear end housing of 230 magnesium alloy transmission case - Google Patents

Abstract

A kind of rear end housing of 230 magnesium alloy transmission case, belongs to new-energy automobile accessories field, including rear wall and side wall；The first transmission axis hole and second driving shaft hole have been dug on rear wall；Each axis hole periphery has directly generated the first annular boss and the second annular boss, and the cuboid wire casing outwardly protruded is equipped on rear side of rear wall；Its making material is to be equipped with to generate successively in magnesium alloy materials outer surface of matrix to have Micro-Arc Oxidized Ceramic Coating, magnesium aluminum compounds diffusion layer, colloidal sol film layer, electrophoretic deposition layer, decorative layer；Advantage is the connection strengthened between each structure, and has concentrated the tight ness rating of each structure, can reduce the thickness and material utilization amount of shell；It is equipped with heat radiating slot on side wall, makes shell lightweight；And it is adapted to the internal component and external component of transmission case；Multilayer resist is arranged in magnesium alloy outer surface, matrix is arranged inside and outside different protective films, saves material and effective protection, improves the performance and service life of transmission case.

Description

A kind of rear end housing of 230 magnesium alloy transmission case

Technical field

The utility model is related to new-energy automobile accessories field, especially a kind of 230 transmission cases manufactured using magnesium alloy Rear end housing.

Background technology

With the protrusion of energy shortage and problem of environmental pollution, it is most ideal, most that new-energy automobile becomes substitution fuel-engined vehicle Promising green traffic tool.With the rise of new-energy automobile, relevant issues are increasingly valued by people.Vehicle Weight be the key that development new energy vehicle, lightweight increasingly becomes vehicle and develops improved trend.It is light-weighted main One of means are to substitute traditional material using advanced light material.Using magnesium alloy light-weight than used aluminium alloy 30%, and And the characteristics of by the intrinsic vibration damping of magnesium alloy, noise reduction and rapid Homogeneouslly-radiating, so that automobile engine overall performance is carried significantly It is high.

Magnesium alloy only has the 64% of the 23% of steel, aluminium as current most light structural metallic materials, proportion.With proportion Small, the advantages that specific strength is high, specific stiffness is high, machining and die-casting process performance are good.It is applied on new-energy automobile component With vibration and noise reducing, electromagnetic shielding, shock resistance, high speed heat dissipation, the comfort of vehicle driving is improved, and makes product that there is energy saving drop The advantages that consumption, low emission, low cost, recoverable.

Vehicle transmission tank shell is for supporting and contain various driving parts, such as the automobile of gear, axis, bearing is matched Part enables each transmission parts to keep normal movement relation and kinematic accuracy, can realize various movements with lubricant storage The lubrication of part；It is also used for safeguard protection and sealing simultaneously, keeps the part in babinet free from the influence of the external environment, and protect machine The safety of device operating personnel, and vibration isolation, heat-insulated and deadening can be played.Existing mechanism housing be all made of steel or Aluminium makes, and vibration and noise reducing is all undesirable, can not meet the requirement of new-energy automobile comprehensively.And magnesium alloy materials is used to make Automobile transmission case can substantially reduce vibrations, reduce noise, drop low-temperature-rise, effectively improve using effect and the service life of transmission case.

Utility model content

In practical applications, different vehicles needs the transmission case for being equipped with different torques, and current transmission case is according to automobile Power requirement difference has the different brackets such as 180,230,260,280,330,380 from low to high, and different grades of transmission case is not only Only it is torque difference, also needs the configured in one piece according to different capacity automobile to adjust accordingly, especially with magnesium alloy After material, due to the configuration of each parts in new-energy automobile, in conjunction with magnesium alloy lightweight, heat dissipation, shock-absorbing, magnetic cup and shock resistance With the characteristics of anti-surrender ability and the requirement of shelter of magnesium alloy materials, need the concrete structure to each position of mechanism housing to carry out Corresponding adjustment, to improve the performance and service life of transmission case.

Technical problem to be solved in the utility model is the rear end housing using magnesium alloy materials manufacture 230 transmission case of automobile Body adapts to the cooperation of new-energy automobile each component and transmission mechanism using corresponding space structure and material structure, while The characteristics of adapting to magnesium alloy materials, to improve the performance and service life of transmission case.

In order to solve the above technical problems, technical solution used by the utility model is a kind of 230 magnesium alloy transmission case End housing afterwards includes the shape and structure and material structure of rear end housing, it is characterised in that the shape and structure includes rear wall and side Wall；The rear wall is Double Circle combination shape, and the side wall is directly born from the edge of rear wall, is in bitubular ring-shaped；After described The first transmission axis hole and second driving shaft hole have been dug on wall；Upper first transmission axis hole periphery has directly generated on front side of rear wall One annular boss, second driving shaft hole periphery have directly generated the second annular boss, the first annular boss and the second annular boss Mutually be bordered, it is radial between the first annular boss and side wall to be laid with several the first reinforcing ribs, the second annular boss with It is radial between side wall to be laid with several the second reinforcing ribs.

Several heat radiating slots and attachment hole are laid on the end face of the side wall, the outer surface of the side wall is equipped with Positioning tab.

The first transmission axis hole is equipped with the cuboid wire casing outwardly protruded on rear side of the rear wall, on the outer wall of cuboid wire casing Equipped with the third annular boss being adapted to the first transmission axis hole, third annular boss outside is together with cuboid wire casing lateral wall with after It is installed with third reinforcing rib between wall, the 4th reinforcing rib, cuboid wire casing are installed between cuboid wire casing lateral wall and rear wall Side is equipped with the outlet of the first wire casing and attaching hole platform；Second driving shaft hole is equipped with fourth annular boss on rear side of the rear wall, the Four annular boss peripheries are equipped with the 4th reinforcing rib；Fourth annular plateau sidewall is equipped with Wire casing boxes and the second wire casing exports；Rear wall Attaching concave station has also been dug in posterior edges.

The material structure refers to having differential of the arc oxygen in the generation of magnesium alloy materials outer surface of matrix using magnesium alloy materials as matrix Change ceramic film, Micro-Arc Oxidized Ceramic Coating appearance is covered with electrophoretic deposition layer；It is given birth to simultaneously in magnesium alloy materials base inner surface It is covered with electrophoretic deposition layer at having Micro-Arc Oxidized Ceramic Coating, Micro-Arc Oxidized Ceramic Coating appearance.

Further, the material structure refers to being given birth in magnesium alloy materials outer surface of matrix using magnesium alloy materials as matrix At there is Micro-Arc Oxidized Ceramic Coating, it is coated with magnesium aluminum compounds diffusion layer in Micro-Arc Oxidized Ceramic Coating appearance, in magnesium aluminum compounds Diffusion layer outer surface be coated with colloidal sol film layer, be covered with electrophoretic deposition layer in colloidal sol film layer appearance, electrophoretic deposition layer appearance also It is coated with decorative layer；There is Micro-Arc Oxidized Ceramic Coating in the generation of magnesium alloy materials base inner surface simultaneously, in arc differential oxide ceramic Film layer appearance is coated with magnesium aluminum compounds diffusion layer, and electrophoretic deposition layer is covered in magnesium aluminum compounds diffusion layer appearance.

The utility model has the beneficial effects that strengthening the connection in rear end housing between each structure, can reduce in this way The thickness of shell, it is possible to reduce material utilization amount；It is equipped with heat radiating slot on side wall, further makes shell lightweight；And it is adapted to biography The internal component and external component of dynamic case；Multilayer resist is arranged in magnesium alloy outer surface, it is different according to the condition inside and outside matrix Different protective films is set, can save material, and matrix can be made to be effectively protected, overall effect can improve biography The performance and service life of dynamic case.

Description of the drawings

Fig. 1 is the rear wall front side structure schematic diagram of the utility model.

Fig. 2 is the rear wall rear structure schematic diagram of the utility model.

Fig. 3 is the material structure schematic diagram of the utility model.

In figure：1. rear wall, 2. side walls, 3. first transmission axis holes, 4. second driving shaft holes, 5. first annular boss, 6. It is two annular boss, 7. first reinforcing ribs, 8. second reinforcing ribs, 9. heat radiating slots, 10. attachment holes, 11. positioning tabs, 12. rectangular Body wire casing, 13. third annular boss, 14. third reinforcing ribs, 15. the 4th reinforcing ribs, the outlet of 16. first wire casings, 17. attachment holes Platform, 18. fourth annular boss, 19. the 4th reinforcing ribs, 20. Wire casing boxes, the outlet of 21. second wire casings, 22. attaching concave stations, 30. magnesium Alloy material matrix, 31. Micro-Arc Oxidized Ceramic Coatings, 32. magnesium aluminum compounds diffusion layers, 33. colloidal sol film layers, 34. electrophoretic depositions Layer, 35. decorative layers.

Specific implementation mode

With reference to embodiment, the utility model is described in further detail.

Embodiment 1.

As shown, making a kind of rear end housing of 230 magnesium alloy transmission case, include the shape and structure and material of rear end housing Expect structure, it is characterised in that the shape and structure includes rear wall 1 and side wall 2；The rear wall 1 is Double Circle combination shape, described Side wall 2 is directly born from the edge of rear wall 1, is in bitubular ring-shaped；The first transmission axis hole 3 and second has been dug on the rear wall 1 Transmission axis hole 4；The first annular boss 5, second driving shaft hole 4 have been directly generated on 1 upper first transmission axis hole, 3 periphery in front side of rear wall Periphery has directly generated the second annular boss 6, and the first annular boss 5 and the second annular boss 6 are mutually bordered, the first annular boss It is radial between 5 and side wall 2 to be laid with several the first reinforcing ribs 7, it is radial between the second annular boss 6 and side wall 2 It is laid with several the second reinforcing ribs 8.

Several heat radiating slots 9 and attachment hole 10, the outer surface of the side wall 2 are laid on the end face of the side wall 2 It is equipped with positioning tab 11.

2 the first transmission axis hole 3 of rear side of the rear wall is equipped with the cuboid wire casing 12 outwardly protruded, cuboid wire casing 12 Outer wall is equipped with the third annular boss 13 being adapted to the first transmission axis hole 3, and cyclic annular convex 13 lateral walls of third are together with cuboid It is installed with third reinforcing rib 14 between 12 lateral wall of wire casing and rear wall 1, is installed between 12 lateral wall of cuboid wire casing and rear wall 1 4th reinforcing rib 15,12 side of cuboid wire casing are equipped with the first wire casing outlet 16 and attaching hole platform 17；1 rear side second of the rear wall Transmission axis hole 4 is equipped with fourth annular boss 18, and 18 periphery of fourth annular boss is equipped with the 4th reinforcing rib 19；Fourth annular boss 19 side walls are equipped with Wire casing boxes 20 and the second wire casing outlet 21；Attaching concave station 22 has also been dug in 1 posterior edges of rear wall.

The material structure refers to using magnesium alloy materials as matrix, and in the outer surface of magnesium alloy materials matrix 30, generation has micro- Arc oxide ceramic film layer 31 is covered with electrophoretic deposition layer 34 in the appearance of Micro-Arc Oxidized Ceramic Coating 31；Simultaneously in magnesium alloy material The inner surface generation of material matrix 30 has Micro-Arc Oxidized Ceramic Coating 31, and electrophoresis is covered in the appearance of Micro-Arc Oxidized Ceramic Coating 31 Sedimentary 34.

Embodiment 2.

In embodiment 1 on the basis of shape and structure, the material structure is made using magnesium alloy materials as matrix, in magnesium The outer surface of alloy material matrix 30, which generates, Micro-Arc Oxidized Ceramic Coating 31, is plated in the outer surface of Micro-Arc Oxidized Ceramic Coating 31 There is magnesium aluminum compounds diffusion layer 32, colloidal sol film layer 33 is coated in the outer surface of magnesium aluminum compounds diffusion layer 32, in colloidal sol film layer 33 appearance is covered with electrophoretic deposition layer 34, and decorative layer 35 is also coated in the appearance of electrophoretic deposition layer 34；Simultaneously in magnesium alloy The inner surface generation of material matrix 30 has Micro-Arc Oxidized Ceramic Coating 31, and magnesium is coated in the outer surface of Micro-Arc Oxidized Ceramic Coating 31 Aluminium compound diffusion layer 32 is covered with electrophoretic deposition layer 34 in the outer surface of magnesium aluminum compounds diffusion layer 32.

Claims (2)

1. a kind of rear end housing of 230 magnesium alloy transmission case, includes the shape and structure and material structure of rear end housing, feature exists In the shape and structure include rear wall and side wall；The rear wall is Double Circle combination shape, and the side wall is straight from the edge of rear wall It delivers a child out, is in bitubular ring-shaped；The first transmission axis hole and second driving shaft hole have been dug on the rear wall；Upper on front side of rear wall One transmission axis hole periphery has directly generated the first annular boss, and second driving shaft hole periphery has directly generated the second annular boss, First annular boss and the second annular boss are mutually bordered, radial between the first annular boss and side wall to be laid with several First reinforcing rib, it is radial between the second annular boss and side wall to be laid with several the second reinforcing ribs；

Several heat radiating slots and attachment hole are laid on the end face of the side wall, the outer surface of the side wall is equipped with positioning Lug；

The first transmission axis hole is equipped with the cuboid wire casing outwardly protruded on rear side of the rear wall, and the outer wall of cuboid wire casing is equipped with The third annular boss being adapted to the first transmission axis hole, on the outside of third annular boss together with cuboid wire casing lateral wall and rear wall it Between be installed with third reinforcing rib, the 4th reinforcing rib, cuboid wire casing side are installed between cuboid wire casing lateral wall and rear wall Equipped with the outlet of the first wire casing and attaching hole platform；Second driving shaft hole is equipped with fourth annular boss, Fourth Ring on rear side of the rear wall Shape boss periphery is equipped with the 4th reinforcing rib；Fourth annular plateau sidewall is equipped with Wire casing boxes and the second wire casing exports；On rear side of rear wall Attaching concave station has also been dug on edge；

The material structure refers to having differential arc oxidation pottery in the generation of magnesium alloy materials outer surface of matrix using magnesium alloy materials as matrix Porcelain film layer, Micro-Arc Oxidized Ceramic Coating appearance are covered with electrophoretic deposition layer；Have simultaneously in the generation of magnesium alloy materials base inner surface Micro-Arc Oxidized Ceramic Coating, Micro-Arc Oxidized Ceramic Coating appearance are covered with electrophoretic deposition layer.

2. the rear end housing of 230 magnesium alloy transmission case according to claim 1, it is characterised in that the material structure refers to Using magnesium alloy materials as matrix, there is Micro-Arc Oxidized Ceramic Coating in the generation of magnesium alloy materials outer surface of matrix, make pottery in differential arc oxidation Porcelain film layer appearance is coated with magnesium aluminum compounds diffusion layer, colloidal sol film layer is coated in magnesium aluminum compounds diffusion layer outer surface, in colloidal sol Film layer appearance is covered with electrophoretic deposition layer, and decorative layer is also coated in electrophoretic deposition layer appearance；Simultaneously in magnesium alloy materials matrix Inner surface generation has Micro-Arc Oxidized Ceramic Coating, magnesium aluminum compounds diffusion layer is coated in Micro-Arc Oxidized Ceramic Coating appearance, in magnesium Aluminium compound diffusion layer appearance is covered with electrophoretic deposition layer.