CN207661115U - A kind of front end shell of 230 magnesium alloy transmission case - Google Patents

Abstract

A kind of front end shell of 230 magnesium alloy transmission case, belongs to new-energy automobile accessories field, including antetheca and side wall, and the front side surface of antetheca is equipped with the circular recess slot being made of rounded trough bottom and cylindric cell wall；Rounded trough bottom is equipped with transmission axis hole, and transmission axis hole periphery is equipped with inner annular boss and outer ring-like boss, and the back side of circular recess slot directly constitutes third annular boss；It is equipped with Micro-Arc Oxidized Ceramic Coating, magnesium aluminum compounds diffusion layer, colloidal sol film layer, electrophoretic deposition layer and decorative layer successively in magnesium alloy materials outer surface of matrix；Advantage is the connection strengthened in front end shell structure between each structure, can reduce the thickness of shell in this way, 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 the internal component and external component of transmission case；Multilayer resist is arranged in magnesium alloy outer surface, different protective films is arranged according to the condition difference inside and outside matrix, can save material, and matrix can be made to be effectively protected, overall effect can improve the performance and service life of transmission case.

Description

A kind of front end shell of 230 magnesium alloy transmission case

Technical field

The utility model is related to new-energy automobile accessory technical field, especially a kind of 230 biographies using magnesium alloy manufacture The front end shell of dynamic case.

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 nose shell 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 Front end shell includes the shape and structure and material structure of front end shell, it is characterised in that the shape and structure includes antetheca and side Wall, the antetheca are circle, and the front side surface center of antetheca is equipped with circular recess slot, and circular recess slot is by rounded trough bottom and cylinder Shape cell wall is constituted；The lateral surface that cylindric cell wall stretches out except the front side surface of antetheca is equipped with external screw thread；Cylindric cell wall End face is equipped with the first attachment hole；The center of rounded trough bottom has dug transmission axis hole, and transmission axis hole periphery has directly generated inner ring Shape boss, inner annular boss have directly generated outer ring-like boss in the rounded trough bottom of the centre of cylindric cell wall, and outer ring-like is convex The end face of platform is higher than the end face of cylindric cell wall；Radial be uniformly distributed is provided between inner annular boss and outer ring-like boss There is the first reinforcing rib, the first installation base is equipped in the junction of the first reinforcing rib and outer ring-like boss；Outer ring-like boss and circle It is provided between tubular cell wall and radial is evenly distributed with the second reinforcing rib.

The one end at the front side surface edge of the antetheca inwardly digs the wire casing of recess.

The side wall is directly born from the posterior edges of antetheca, becomes annular sidewall；It is laid on the end face of side wall several The inward flange of a heat radiating slot and the second attachment hole, end face is equipped with collar flange；The side-wall outer side face of the wire casing both sides point Equipped with two groups of mounting portions, every group of mounting portion is laid there are four the second installation base, is connected between four second installation bases The outer periphery of third reinforcing rib, each second installation base is laid with the 4th reinforcing rib.

The back side of the circular recess slot directly constitutes third annular boss, third annular boss in the rear side surface of antetheca It is radial between annular sidewall to be laid with several the 5th reinforcing ribs, it is additionally provided with reinforcing prop in the middle part of the 5th reinforcing rib.

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 front end shell 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 side surface structural schematic diagram of antetheca in the utility model.

Fig. 2 is the front side surface structural schematic diagram of antetheca in the utility model.

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

In figure：1. antetheca, 2. side walls, that is, annular sidewall, 3. circular recess slots, 4. rounded trough bottoms, 5. cylindric cell walls, 6. External screw thread, 7. first attachment holes, 8. transmission axis holes, 9. inner annular boss, 10. outer ring-like boss, 11. first reinforcing ribs, 12. One installation base, 13. second reinforcing ribs, 14. wire casings, 15. heat radiating slots, 16. second attachment holes, 17. second installation bases, 18. third reinforcing rib, 19. the 4th reinforcing ribs, 20. third annular boss, 21. the 5th reinforcing ribs, 22. reinforcing props, 23, it is cyclic annular convex Edge, 30. magnesium alloy materials matrixes, 31. Micro-Arc Oxidized Ceramic Coatings, 32. magnesium aluminum compounds diffusion layers, 33. colloidal sol film layers, 34. Electrophoretic deposition 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 front end shell of 230 magnesium alloy transmission case, include the shape and structure and material of front end shell Expect that structure, the shape and structure include antetheca 1 and side wall 2, the antetheca 1 is circle, and the front side surface center of antetheca 1 is equipped with circle Shape recessed groove 3, circular recess slot 3 are made of rounded trough bottom 4 and cylindric cell wall 5；Cylindric cell wall 5 is stretched out before antetheca 1 Lateral surface except side surface is equipped with external screw thread 6；The end face of cylindric cell wall 5 is equipped with the first attachment hole 7；Rounded trough bottom 4 Center has dug transmission axis hole 8, and 8 periphery of transmission axis hole has directly generated inner annular boss 9, inner annular boss 9 and cylindric slot Outer ring-like boss 10 is directly generated in the rounded trough bottom 4 of the centre of wall 5, the end face of outer ring-like boss 10 is higher than cylindric cell wall 5 end face；Be provided between inner annular boss 9 and outer ring-like boss 10 it is radial be evenly distributed with the first reinforcing rib 11, The junction of first reinforcing rib 11 and outer ring-like boss 10 is equipped with the first installation base 12；Outer ring-like boss 10 and cylindric cell wall It is provided between 5 and radial is evenly distributed with the second reinforcing rib 13.

The one end at the front side surface edge of the antetheca 1 inwardly digs the wire casing 14 of recess.

The side wall 2 is directly born from the posterior edges of antetheca 1, becomes annular sidewall 2；It is laid on the end face of side wall 2 The inward flange of several heat radiating slots 15 and the second attachment hole 16, end face is equipped with collar flange 23；14 both sides of the wire casing 2 lateral surface of side wall is arranged with two groups of mounting portions, and every group of mounting portion is laid there are four the second installation base 17, this four second are installed Third reinforcing rib 18 is connected between boss 17, the outer periphery of each second installation base 17 is laid with the 4th reinforcing rib 19.

The back side of the circular recess slot 5 directly constitutes third annular boss 20 in the rear side surface of antetheca 1, and third is cyclic annular Radial between boss 20 and annular sidewall 2 to be laid with several the 5th reinforcing ribs 21, the middle part of the 5th reinforcing rib 21 is also set There is reinforcing prop 22.

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 24 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 front end shell of 230 magnesium alloy transmission case, includes the shape and structure and material structure of front end shell, feature exists Include antetheca and side wall in the shape and structure, the antetheca is circle, and the front side surface center of antetheca is equipped with circular recess slot, Circular recess slot is made of rounded trough bottom and cylindric cell wall；Cylindric cell wall stretches out the outside except the front side surface of antetheca Face is equipped with external screw thread；The end face of cylindric cell wall is equipped with the first attachment hole；The center of rounded trough bottom has dug transmission axis hole, passes Shaft hole periphery has directly generated inner annular boss, and inner annular boss is directly given birth to in the rounded trough bottom of the centre of cylindric cell wall It is higher than the end face of cylindric cell wall at having outer ring-like boss, the end face of outer ring-like boss；Inner annular boss and outer ring-like boss it Between be provided with it is radial be evenly distributed with the first reinforcing rib, be equipped with first in the junction of the first reinforcing rib and outer ring-like boss Installation base；It is provided between outer ring-like boss and cylindric cell wall and radial is evenly distributed with the second reinforcing rib；

The one end at the front side surface edge of the antetheca inwardly digs the wire casing of recess；

The side wall is directly born from the posterior edges of antetheca, becomes annular sidewall；Several are laid on the end face of side wall to dissipate The inward flange of heat channel hole and the second attachment hole, end face is equipped with collar flange；The side-wall outer side face of the wire casing both sides is arranged with Two groups of mounting portions, every group of mounting portion are laid there are four the second installation base, and third is connected between four second installation bases The outer periphery of reinforcing rib, each second installation base is laid with the 4th reinforcing rib；

The back side of the circular recess slot directly constitutes third annular boss, third annular boss and ring in the rear side surface of antetheca It is radial between shape side wall to be laid with several the 5th reinforcing ribs, it is additionally provided with reinforcing prop in the middle part of the 5th reinforcing rib；

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；There is the differential of the arc in the generation of magnesium alloy materials inner surface simultaneously Oxide ceramic film layer, Micro-Arc Oxidized Ceramic Coating appearance are covered with electrophoretic deposition layer.

2. the front end shell 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.