CN207661112U - A kind of stage casing first position shell of 230 magnesium alloy transmission case - Google Patents

Abstract

A kind of stage casing first position shell of 230 magnesium alloy transmission case, belong to new-energy automobile accessory technical field, combined by disk bottom wall, circular antetheca and triangular shape rear wall and is constituted, disk bottom wall is equipped with the first transmission axis hole and second driving shaft hole, circular antetheca is born on front side of disk bottom wall, and triangular shape rear wall is born on rear side of disk bottom 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 in the first position shell of stage casing 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, 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, matrix can be made to be effectively protected on the basis of saving material, the performance and service life of transmission case can be improved.

Description

A kind of stage casing first position shell 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 Stage casing first position shell.

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 stage casing the using magnesium alloy materials manufacture 230 transmission case of automobile One position shell adapts to matching for each component of new-energy automobile and transmission mechanism using corresponding space structure and material structure The characteristics of closing, while being also adapted 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 Stage casing first position shell includes the shape and structure and material structure of stage casing first position shell, it is characterised in that the shape Structure is combined by disk bottom wall, circular antetheca and triangular shape rear wall to be constituted, and the disk bottom wall is equipped with the first transmission axis hole With second driving shaft hole, wherein the first transmission axis hole is dug at the center of disk bottom wall, second driving shaft hole is dug to be passed first On the outside of shaft hole, the periphery of the first transmission axis hole has directly generated the first annular boss, the first annular boss and circular antetheca Between it is radial it is uniformly distributed have several the first reinforcing ribs, be connected with cyclic reinforcing rib in the middle part of each first reinforcing rib, The junction of first reinforcing rib and cyclic reinforcing rib is provided with reinforcing prop；The periphery in second driving shaft hole has directly generated the second ring Shape boss, one end of the second annular boss are connected with the first annular boss, before the other end and annular shape of the second annular boss There is the second reinforcing rib in fan shape is uniformly distributed between wall, the direct disjunction cyclic reinforcing rib in other both sides of the second annular boss is simultaneously It is connected with cyclic reinforcing rib.

The annular shape antetheca is directly born from the front periphery edge of disk bottom wall, cloth on the end face of the annular shape antetheca Equipped with several heat radiating slots and attachment hole, positioning tab is provided in the outer side wall surface of the annular shape antetheca.

After the triangular shape rear wall is the ring-type being interconnected together by the first fillet wall, the second fillet wall and wire casing angle wall Wall；And directly born from the rear side wall of disk bottom wall around the first transmission axis hole and second driving shaft hole, wherein the first fillet wall encloses It is directly generating on the outside of the first transmission axis hole on disk bottom wall, the is provided on the outside of the first fillet wall and disk bottom wall Three reinforcing ribs；Second fillet wall is generated on disk bottom wall and is misplaced to outside；Wire casing angle wall is around the outer of second driving shaft hole Side generates on disk bottom wall and misplaces to outside；It is laid with several heat radiating slots and dress on the end face of the triangular shape rear wall Connect hole.

Side on disk bottom wall positioned at the outside of the first fillet wall is recessed inwardly as bottom wall concave station, and the two of bottom wall concave station Side is equipped with positioning convex platform；It is convex there are two installing positioned at the edge setting of the other side in the outside of the first fillet wall on disk bottom wall Platform.

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 the first position shell of stage casing between each structure, union The tight ness rating of each structure has been suffered, the thickness and material utilization amount of shell can be reduced in this way；Heat radiating slot is equipped on side wall, 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 antetheca structural schematic diagram of the utility model.

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

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

In figure：1. disk bottom wall, 2. circular antethecas, 3. triangular shape rear walls, 4. first transmission axis holes, 5. second driving shafts Hole, 6. first annular boss, 7. first reinforcing ribs, 8. cyclic reinforcing ribs, 9. reinforcing props, 10. second annular boss, 11. second Reinforcing rib, 12. heat radiating slots, 13. attachment holes, 14. positioning tabs, 15. first fillet walls, 16. second fillet walls, 17. wire casings Angle wall, 18. third reinforcing ribs, 19. bottom wall concave stations, 20. positioning convex platforms, 21. installation bases, 30. magnesium alloy materials matrixes, 31. Micro-Arc Oxidized Ceramic Coating, 32. magnesium aluminum compounds diffusion layers, 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 stage casing first position shell of 230 magnesium alloy transmission case, including stage casing first position shell The shape and structure and material structure of body, the shape and structure combine structure by disk bottom wall 1, circular antetheca 2 and triangular shape rear wall 3 At the disk bottom wall 1 is equipped with the first transmission axis hole 4 and second driving shaft hole 5, wherein the first transmission axis hole 4 is dug in circle It tries to get to the heart of a matter the center of wall 1, second driving shaft hole 5 is dug in the outside of the first transmission axis hole 4, and the periphery of the first transmission axis hole 4 is direct Generation has the first annular boss 6, between the first annular boss 6 and circular antetheca 2 it is radial it is uniformly distributed have several the The middle part of one reinforcing rib 7, each first reinforcing rib 7 is connected with cyclic reinforcing rib 8, the friendship of the first reinforcing rib 7 and cyclic reinforcing rib 8 The place of connecing is provided with reinforcing prop 9；The periphery in second driving shaft hole 5 has directly generated the second annular boss 10, the second annular boss 10 One end be connected with the first annular boss 6, it is equal in fan shape between the other end of the second annular boss 10 and circular antetheca 2 It is even to be laid with the second reinforcing rib 11, the direct disjunction cyclic reinforcing rib 8 in both sides of the second annular boss 10 and with 8 phase of cyclic reinforcing rib Connection.

The annular shape antetheca 2 is directly born from the front periphery edge of disk bottom wall 1, the end face of the annular shape antetheca 2 On be laid with several heat radiating slots 12 and attachment hole 13, be provided with convex in the outer side wall surface of the annular shape antetheca 2 Ear 14.

The triangular shape rear wall 3 is interconnected together by the first fillet wall 15, the second fillet wall 16 and wire casing angle wall 17 Collar rear wall, and from disk bottom, 1 rear side wall is directly born around the first transmission axis hole 4 and second driving shaft hole 5, wherein One fillet wall 15 is directly generating in around the outside of the first transmission axis hole 4 on disk bottom wall 1, the outside of the first fillet wall 15 and circle It tries to get to the heart of a matter and is provided with third reinforcing rib 18 on wall 1；Second fillet wall 16 is generated on disk bottom wall 1 and is misplaced to outside；Wire casing angle Wall 17 is generated on disk bottom wall 1 around the outside in second driving shaft hole 5 and is misplaced to outside；The end of the triangular shape rear wall 3 Several heat radiating slots 12 and attachment hole 13 are laid on face.

The side in the outside on disk bottom wall 1 positioned at the first fillet wall 15 is recessed inwardly as bottom wall concave station 19, and bottom wall is recessed The both sides of platform 19 are equipped with positioning convex platform 20；Positioned at the edge setting of the other side in the outside of the first fillet wall 15 on disk bottom wall 1 There are two installation bases 21.

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 stage casing first position shell of 230 magnesium alloy transmission case, including the shape and structure of stage casing first position shell and Material structure, it is characterised in that the shape and structure is combined by disk bottom wall, circular antetheca and triangular shape rear wall to be constituted, described Disk bottom wall is equipped with the first transmission axis hole and second driving shaft hole, wherein the first transmission axis hole is dug in disk bottom wall The heart, second driving shaft hole are dug on the outside of the first transmission axis hole, and it is cyclic annular convex that the periphery of the first transmission axis hole has directly generated first Platform, between the first annular boss and circular antetheca it is radial it is uniformly distributed have several the first reinforcing ribs, each first plus It is connected with cyclic reinforcing rib in the middle part of strengthening tendons, the junction of the first reinforcing rib and cyclic reinforcing rib is provided with reinforcing prop；Second passes The periphery of shaft hole has directly generated the second annular boss, and one end of the second annular boss is connected with the first annular boss, the There is the second reinforcing rib in fan shape is uniformly distributed between the other end of two annular boss and circular antetheca, the second annular boss In addition the direct disjunction cyclic reinforcing rib in both sides and it is connected with cyclic reinforcing rib；

The annular shape antetheca is directly born from the front periphery edge of disk bottom wall, is laid on the end face of the annular shape antetheca Several heat radiating slots and attachment hole, it is described annular shape antetheca outer side wall surface on be provided with positioning tab；

The triangular shape rear wall is the collar rear wall being interconnected together by the first fillet wall, the second fillet wall and wire casing angle wall； And directly born from the rear side wall of disk bottom wall around the first transmission axis hole and second driving shaft hole, wherein the first fillet wall is around the Be directly generating on the outside of one transmission axis hole on disk bottom wall, the outside of the first fillet wall be provided with third on disk bottom wall and add Strengthening tendons；Second fillet wall is generated on disk bottom wall and is misplaced to outside；Wire casing angle wall is given birth to around the outside in second driving shaft hole At on disk bottom wall and misplacing to outside；It is laid with several heat radiating slots and attaching on the end face of the triangular shape rear wall Hole；

The side in the outside on disk bottom wall positioned at the first fillet wall is recessed inwardly as bottom wall concave station, and the both sides of bottom wall concave station are set There is positioning convex platform；Positioned at the edge setting of the other side in the outside of the first fillet wall, there are two installation bases on disk bottom 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 stage casing first position shell of 230 magnesium alloy transmission case according to claim 1, it is characterised in that the material Structure refers to having Micro-Arc Oxidized Ceramic Coating in the generation of magnesium alloy materials outer surface of matrix, micro- using magnesium alloy materials as matrix Arc oxide ceramic film layer appearance is coated with magnesium aluminum compounds diffusion layer, and dissolved glue film is coated in magnesium aluminum compounds diffusion layer outer surface Layer, is covered with electrophoretic deposition layer in colloidal sol film layer appearance, decorative layer is also coated in electrophoretic deposition layer appearance；Simultaneously in magnesium alloy The generation of material matrix inner surface has Micro-Arc Oxidized Ceramic Coating, and magnesium aluminum compounds diffusion is coated in Micro-Arc Oxidized Ceramic Coating appearance Layer, electrophoretic deposition layer is covered in magnesium aluminum compounds diffusion layer appearance.