CN207814385U - A kind of rear end housing of 180 magnesium alloy transmission case - Google Patents

Abstract

A kind of rear end housing of 180 magnesium alloy transmission case, belongs to new-energy automobile accessories field, including rear wall, and the first transmission axis hole and second driving shaft hole have been dug on the rear wall, and each transmission axis hole periphery is equipped with multilayer ring-type base station and reinforcing rib；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；Multilayer ring-type base station is set on rear wall, intensity can be increased and make 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 180 magnesium alloy transmission case

Technical field

The utility model is related to new-energy automobile accessories field, especially a kind of 180 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 180 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 180 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, described The first transmission axis hole and second driving shaft hole have been dug on rear wall；After the periphery in the first transmission axis hole and second driving shaft hole is Several installation bases are provided on the edge of wall.

In the rear on the leading flank of wall, the first transmission axis hole inner wall is equipped with two layers of first ring-type concaves, the second transmission Shaft hole inner wall is equipped with four layer of second ring-type concave.

In the rear on the trailing flank of wall, the first transmission axis hole periphery is equipped with the first annular boss, outside the first annular boss Circumferential edges are equipped with the first cyclic annular base station, the first annular boss outer wall through be laid on the first cyclic annular base station to rear wall several first Reinforcing rib；Second driving shaft hole periphery is equipped with the second annular boss, and the second annular boss neighboring is equipped with the of multiple-layer stacked Two cyclic annular base stations are laid with several the second reinforcing ribs on the second cyclic annular base station to rear wall.

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；Multilayer ring-type base station is set on rear wall, can not only increase intensity, it can also be into One step makes shell lightweight；And it is adapted to the internal component and external component of transmission case；Magnesium alloy outer surface setting multilayer is protected Different protective films is arranged according to the condition difference inside and outside matrix in film, can save material, and matrix can be made to obtain effectively Protection, overall effect can improve the performance and service life of transmission case.

Description of the drawings

Fig. 1 is the leading flank structural schematic diagram of rear wall in the utility model.

Fig. 2 is the trailing flank structural schematic diagram of rear wall in the utility model.

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

In figure：1. rear wall, 2. first transmission axis holes, 3. second driving shaft holes, 4. installation bases, 5. first ring-type concaves, 6. the second ring-type concave, 7. first annular boss, 8. first cyclic annular base stations, 9. first reinforcing ribs, 10. second annular boss, 11. Second cyclic annular base station, 12. second reinforcing ribs, 30. magnesium alloy materials matrixes, 31. Micro-Arc Oxidized Ceramic Coatings, 32. magnalium chemical combination Object diffusion layer, 33. colloidal sol film layers, 34. electrophoretic deposition layers, 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 180 magnesium alloy transmission case, include the shape and structure and material of rear end housing Expect structure, the shape and structure includes rear wall 1, and the first transmission axis hole 2 and second driving shaft hole 3 have been dug on the rear wall 1； It is provided with several installation bases 4 on the edge of the periphery, that is, rear wall 1 in the first transmission axis hole 2 and second driving shaft hole 3.

In the rear on the leading flank of wall 1,2 inner wall of the first transmission axis hole is equipped with two layers of first ring-type concaves 5, and second passes 3 inner wall of shaft hole is equipped with four layer of second ring-type concave 6.

In the rear on the trailing flank of wall 1,2 periphery of the first transmission axis hole is equipped with the first annular boss 7, the first annular boss 7 neighborings are equipped with the first cyclic annular base station 8, if 7 outer wall of the first annular boss on the first cyclic annular base station 8 to rear wall 1 through being laid with Dry the first reinforcing rib 9；3 periphery of second driving shaft hole is equipped with the second annular boss 10, and 10 neighboring of the second annular boss is set There is the second cyclic annular base station 11 of multiple-layer stacked, several the second reinforcing ribs 12 are laid on the second cyclic annular base station 11 to rear wall 1.

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 180 magnesium alloy transmission case, includes the shape and structure and material structure of rear end housing, feature exists Include rear wall in the shape and structure, the first transmission axis hole and second driving shaft hole have been dug on the rear wall；In the first transmission It is provided with several installation bases on the edge of axis hole and the periphery, that is, rear wall in second driving shaft hole；

In the rear on the leading flank of wall, the first transmission axis hole inner wall is equipped with two layers of first ring-type concaves, second driving shaft hole Inner wall is equipped with four layer of second ring-type concave；

In the rear on the trailing flank of wall, the first transmission axis hole periphery is equipped with the first annular boss, the first annular boss outer periphery Edge is equipped with the first cyclic annular base station, and the first annular boss outer wall on the first cyclic annular base station to rear wall through being laid with several the first reinforcements Muscle；Second driving shaft hole periphery is equipped with the second annular boss, and the second annular boss neighboring is equipped with the second ring of multiple-layer stacked Shape base station is laid with several the second reinforcing ribs on the second cyclic annular base station to rear wall；

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 180 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.