CN207868897U - A kind of magnesium alloy transmission case motor casing - Google Patents

Abstract

A kind of magnesium alloy transmission case motor casing belongs to new-energy automobile accessory technical field, including cylinder and barrel；Cylinder is equipped with endless groove edge and cyclic annular card convex, and barrel is internally provided with spiral cooling tube, and barrel outer surface is equipped with matrix pattern groove and attaching boss；The material structure 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, which is spiral cooling tube, to further strengthen heat dissipation effect in conjunction with the heat dissipation performance of magnesium alloy materials itself, effectively reduce the Wen Sheng generated in motor operation；Endless groove edge and cyclic annular card convex just can be positioned and be sealed；Multilayer resist is arranged in magnesium alloy outer surface, different protective films is arranged according to the condition difference inside and outside matrix, material and effective protection matrix can be saved, overall effect can improve the performance and service life of transmission case.

Description

A kind of magnesium alloy transmission case motor casing

Technical field

The utility model is related to new-energy automobile accessories field, especially a kind of transmission case manufactured using magnesium alloy materials Motor casing.

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.

The motor casing of transmission case is also to use rivet welding technique, and by polylith splicing welding assembly at casing, manufacturing process is complicated, Efficiency is low, cannot form standardization, and welding position is more, and product appearance defect is more.And new-energy automobile on the market uses at present Electric drive, the shell of motor makes according to cast iron, and not only weight is big, but also cooling effect is bad, the heat conduction of steel Property it is poor, heat dissipation is slow, influences electric efficiency, is unfavorable for the long-play of automobile.

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 to manufacture 260 transmission case motor casing of automobile using magnesium alloy materials, The cooperation that new-energy automobile each component and transmission mechanism is adapted to using corresponding space structure and material structure, is also adapted to simultaneously The characteristics of 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 magnesium alloy transmission case motor Shell includes the shape and structure and material structure of motor casing, it is characterised in that the shape and structure is cylinder-shaped structure, cylinder-shaped knot Structure includes cylinder and barrel；It is equipped with endless groove edge and cyclic annular card convex on the inside of the end face of described cylinder one end, in order to attaching and determines Position；It is uniformly distributed on the end face at cylinder both ends to have attachment hole；The barrel is internally provided with spiral cooling tube, the outside table of barrel Face is equipped with spiral cooling tube entrance and spiral cooling tube exports, the barrel of spiral cooling tube entrance and spiral cooling tube exit perimeter Nozzle boss has been directly generated on outer surface；Coolant progress circulating cooling can be poured into when use in spiral cooling tube to dissipate Heat, the medium position of barrel entirety outer surface be equipped with matrix pattern groove, can radiate well, is generated in motor operation with reducing Wen Sheng；The barrel outer surface of the other end of the cylinder is equipped with attaching boss.

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 being equipped with spiral cooling tube in motor casing, magnesium alloy materials itself can be combined Heat dissipation performance further strengthen heat dissipation effect, effectively reduce the Wen Sheng that generates in motor operation；It is set on the end face of motor casing There are endless groove edge and cyclic annular card convex, attaching can be facilitated, and preferably position and seal；Magnesium alloy outer surface is arranged more Layer protective film, is arranged different protective films according to the condition difference inside and outside matrix, not only can save material, but also matrix can be made to obtain To being effectively protected, overall effect can improve the performance and service life of transmission case.

Description of the drawings

Fig. 1 is the positive oblique view of structural diagram of the utility model middle cylinder body.

Fig. 2 is the back side oblique view of structural diagram of the utility model middle cylinder body.

Fig. 3 is the vertical section structural schematic diagram of AA lines in Fig. 1.

Fig. 4 is the material structure schematic diagram of the utility model.

In figure：1. cylinder, 2. barrels, 3. endless grooves edge, 4. cyclic annular card convexs, 5. attachment holes, 6. spiral cooling tubes, 7. spirals Cooling tube inlet, the outlet of 8. spiral cooling tubes, 9. nozzle boss, 10. matrix pattern grooves, 11. attaching boss, 20. magnesium alloy materials Expect matrix, 21. Micro-Arc Oxidized Ceramic Coatings, 22. magnesium aluminum compounds diffusion layers, 23. colloidal sol film layers, 24. electrophoretic deposition layers, 25. Decorative layer.

Specific implementation mode

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

Embodiment 1.

As shown, making a kind of magnesium alloy transmission case motor casing, include the shape and structure and material structure of motor casing, institute It is cylinder-shaped structure to state shape and structure, which includes cylinder 1 and barrel 2；It is set on the inside of the end face of 1 one end of the cylinder There is endless groove along 3 and cyclic annular card convex 4, in order to attaching and positions；It is uniformly distributed on the end face at 2 both ends of cylinder to have attachment hole 5；Institute That states barrel 2 is internally provided with spiral cooling tube 6, and the outer surface of barrel 2 is equipped with spiral cooling tube entrance 7 and spiral cooling tube goes out Mouthfuls 8, spiral cooling tube entrance 7 and spiral cooling tube export and have directly generated annular boss 9 on the barrel outer surface on 8 peripheries； Mounted transmission case motor casing can pour into coolant in spiral cooling tube 6 when in use, such as coolant liquid or cold water, carry out Circulating cooling radiates, to reduce the Wen Sheng generated in motor operation.

The material structure refers to using magnesium alloy materials as matrix, and in the outer surface of magnesium alloy materials matrix 20, generation has micro- Arc oxide ceramic film layer 21 is covered with electrophoretic deposition layer 24 in the appearance of Micro-Arc Oxidized Ceramic Coating 21；Simultaneously in magnesium alloy material The inner surface generation of material matrix 20 has Micro-Arc Oxidized Ceramic Coating 21, and electrophoresis is covered in the appearance of Micro-Arc Oxidized Ceramic Coating 21 Sedimentary 24.

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 20, which generates, Micro-Arc Oxidized Ceramic Coating 21, is plated in the outer surface of Micro-Arc Oxidized Ceramic Coating 21 There is magnesium aluminum compounds diffusion layer 22, colloidal sol film layer 23 is coated in the outer surface of magnesium aluminum compounds diffusion layer 22, in colloidal sol film layer 23 appearance is covered with electrophoretic deposition layer 24, and decorative layer 25 is also coated in the appearance of electrophoretic deposition layer 24；Simultaneously in magnesium alloy The inner surface generation of material matrix 20 has Micro-Arc Oxidized Ceramic Coating 21, and magnesium is coated in the outer surface of Micro-Arc Oxidized Ceramic Coating 21 Aluminium compound diffusion layer 22 is covered with electrophoretic deposition layer 24 in the outer surface of magnesium aluminum compounds diffusion layer 22.

Claims (2)

1. a kind of magnesium alloy transmission case motor casing includes the shape and structure and material structure of motor casing, it is characterised in that the shape Shape structure is cylinder-shaped structure, and cylinder-shaped structure includes cylinder and barrel；Endless groove is equipped on the inside of the end face of described cylinder one end Edge and cyclic annular card convex；It is uniformly distributed on the end face at cylinder both ends to have attachment hole；The barrel is internally provided with spiral cooling tube, cylinder The outer surface of wall is equipped with spiral cooling tube entrance and spiral cooling tube exports, spiral cooling tube entrance and spiral cooling tube outlet Nozzle boss has been directly generated on the barrel outer surface on periphery；It is recessed that the medium position of barrel entirety outer surface is equipped with matrix pattern Slot；The barrel outer surface of the other end of the cylinder is equipped with attaching boss；

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. magnesium alloy transmission case motor casing according to claim 1, it is characterised in that the material structure refers to being closed with magnesium Golden material is matrix, has Micro-Arc Oxidized Ceramic Coating in the generation of magnesium alloy materials outer surface of matrix, in Micro-Arc Oxidized Ceramic Coating Appearance is coated with magnesium aluminum compounds diffusion layer, colloidal sol film layer is coated in magnesium aluminum compounds diffusion layer outer surface, outside colloidal sol film layer Table is covered with electrophoretic deposition layer, and decorative layer is also coated in electrophoretic deposition layer appearance；Simultaneously in magnesium alloy materials base inner surface Generation has Micro-Arc Oxidized Ceramic Coating, magnesium aluminum compounds diffusion layer is coated in Micro-Arc Oxidized Ceramic Coating appearance, in magnalium chemical combination Object diffusion layer appearance is covered with electrophoretic deposition layer.