CN107482820A

CN107482820A - A kind of New energy automobile motor shell with steel bushing

Info

Publication number: CN107482820A
Application number: CN201710806885.8A
Authority: CN
Inventors: 孙仁坤
Original assignee: CHONGQING ZHICHENG MACHINERY Co Ltd
Current assignee: CHONGQING ZHICHENG MACHINERY Co Ltd
Priority date: 2017-09-08
Filing date: 2017-09-08
Publication date: 2017-12-15

Abstract

The invention belongs to new-energy automobile accessory technical field, a kind of New energy automobile motor shell with steel bushing of specific design, the present invention provides a kind of New energy automobile motor shell with steel bushing, including integrally formed body and end cap, the end cap is located at body first end, the end cap offers centre bore, and the centre bore embeds close to the position of end cap inner face and is cased with steel bushing, and the beneficial effect using the invention of such scheme is：The body of motor casing and shell bottom is integrally manufactured forms, reduces processing and the assembly process of body and shell bottom, shortens the production cycle of motor casing, embedded steel bushing causes the increase of motor casing key position intensity.

Description

A kind of New energy automobile motor shell with steel bushing

Technical field

The invention belongs to new-energy automobile accessory technical field, a kind of New energy automobile motor with steel bushing of specific design Shell.

Background technology

New-energy automobile is the automobile for being different from conventionally employed fossil fuel, with concern of the society to environment increasingly Height, the exploitation of new-energy automobile are also being quickened one's step, and every country is all wideling popularize new-energy automobile, especially pure electronic vapour Car, widely used in many places.

New energy automobile motor is the very important ring in new-energy automobile field, and New energy automobile motor shell is exactly motor Outer cover, equivalent to " clothes " of motor, existing motor casing mostly matches somebody with somebody the mechanism of body, such design meeting using two end cap Increase processing and assembly process, extend manufacture cycle, and the increase of process can also bring the increase of production cost simultaneously, simultaneously because End cap is needed to support motor shaft, if formed using conventional cast, enough mechanical properties can not be met at support, therefore mostly Manufactured using the technique for individually to end cap be heat-treated etc. or directly use is forged so as to lift the mechanical property of end cap, this End cap weight can be caused to greatly increase, for New energy automobile motor, weight increase can directly contribute automobile batteries load Increase, automobile cruising time shorten.

The content of the invention

In view of the above the shortcomings that prior art, it is an object of the invention to provide a kind of new-energy automobile with steel bushing Motor casing, have it is convenient for production, manufacturing procedure is few, it is with short production cycle the characteristics of.

In order to achieve the above objects and other related objects, the present invention provides a kind of New energy automobile motor shell with steel bushing, Including integrally formed body and end cap, the end cap is located at body first end, and the end cap offers centre bore, the center Hole embeds close to the position of end cap inner face and is cased with steel bushing.

Beneficial effect using the invention of such scheme is：The body of motor casing and shell bottom is integrally manufactured forms, reduces The processing at body and shell bottom and assembly process, the production cycle of motor casing is shortened, while end cap is embedded in steel bushing, greatly improves The intensity of key position, on the premise of mechanical property is met, reduce the overall weight of motor casing.

Further, integrally formed with terminal box on the outside of the body, without assembling independent terminal box.

Further, the terminal box is close to the end of body second, the rectangular box like structure of terminal box, in the terminal box Portion space and body connects with the internal cavities.

Further, radiating reinforcement is provided with the outside of the body, while meets the function of strengthening body and radiating.

Further, the body is cylinder-like structure, and the end cap is rotary structure, the end cap lateral surface and inner side Face is equipped with reinforcement.

Further, the body lateral surface is evenly distributed with circular radiating reinforcement, the body lateral surface vertically What is be uniformly distributed circumferentially has vertical radiating reinforcement, vertical radiating reinforcement phase vertical with annular shape radiating reinforcement Hand over.

Further, shell bottom diameter dimension is more than body diameter dimension so that shell feather edge protrudes body, facilitates motor Clamping of the shell in machining.

Further, it is provided with integrally formed lifting screwed hole on the outside of the body；The end cap lateral surface and body second End end face is provided with connecting hole.

In summary, just with such scheme the beneficial effects of the invention are as follows：Motor casing integrates multiple positions, simplifies Production process, while can also reach good radiating effect while motor shell intensity is ensured, while convenient installation, after being The machining of sequence provides excellent basis.

Brief description of the drawings

Fig. 1 is the structural representation of the embodiment of the present invention；

Fig. 2 is the top view of the embodiment of the present invention；

Fig. 3 is the cross section view in B-B faces in Fig. 2；

Fig. 4 is the bottom head covers structural representation of the embodiment of the present invention；

Piece mark explanation

Body 1

Terminal box 11

Lift screwed hole 12

Threading hole 13

Annular shape radiating reinforcement 14

Vertical radiating reinforcement 15

Connection screw thread hole 16

End cap 2

Ring stiffener 22

Spoke shape reinforcement 23

Cylindrical hole 24

Tapped blind hole 25

Centre bore 3

Steel bushing 4

Embodiment

Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation Content disclosed by book understands other advantages and effect of the present invention easily.

It should be clear that cited such as " on ", " under " in this specification, "left", "right", the term of " centre " and " one ", also Only understanding for ease of narration, and be not used to limit the enforceable scope of the present invention, its relativeness is altered or modified, in nothing Under essence change technology contents, when being also considered as the enforceable category of the present invention.

It is described as shown in Figure 1 to Figure 4, a kind of New energy automobile motor shell with steel bushing, including integrally formed body 1 and end cap 2, the end cap 2 is located at body first end, and the end cap 2 offers centre bore 3, and the centre bore 3 is close to end cap inner face Position is embedded to be cased with steel bushing 4, and embedded steel bushing 4 is integrally formed when being cast with motor casing, both ensure that the stabilization of the connection of steel bushing Property, while improve the intensity that centre bore 3 supports the motor shaft in motor casing.

Specifically, body 1 is cylinder-like structure, end cap 2 is disc-shaped structure, the lower end of body 1 and the upper surface of end cap 2 one Shaping, the outside dimension of end cap 2 are more than the outside dimension of body 1 so that the outwardly body 1 in the edge of end cap 2, are machined in postorder When be that clamping the edge of protrusion can be fixed, the lateral surface of body 1 is integrally formed with terminal box 11 to the clamping of motor casing With lifting screwed hole 12, terminal box 11 is located at the upper end of body 1 and the upper surface of terminal box 11 overlaps with the upper surface of body 1, terminal box 11 be rectangular box-shaped structure, and the upper end open of terminal box 11 causes the inner space of terminal box 11 and the connects with the internal cavities of body 1, wiring The lateral surface of box 11 is also opening-like, facilitates staff to open up carrying out patching operations, the lower surface of terminal box 11 in terminal box There are three threading holes 13, the lateral surface of body 1 is evenly distributed with circular radiating reinforcement 14 and is uniformly distributed circumferentially vertically Have vertical radiating reinforcement 15, the vertical radiating reinforcement 15 intersects vertically with circular radiating reinforcement 14, and radiating adds Strengthening tendons 14 can strengthen the intensity of motor casing body 1, meanwhile, outwardly rib adds the contact surface of motor casing and air Product so that motor casing radiating effect gets a promotion, and the upper surface of body 1 offers circumferential equally distributed connection screw thread hole 16.

Specifically, the inner face of end cap 2 and outer face are equipped with reinforcement, the reinforcement includes the ring being uniformly distributed circumferentially Shape reinforcement 22 and the spoke shape reinforcement 23 to be scattered in spoke-like, the inner face reinforcement of end cap 2 are connected with the inwall of body 1 simultaneously, Add the intensity of body 1 and the junction of end cap 2, the centre bore 3 of end cap 2 closes on the inwardly projecting end cap 2 in part, inside centre bore 3 Concrete structure is followed successively by three different cylindrical holes of diameter 24 from inside to outside, and the centrally located diameter of cylindrical hole 24 is minimum, Axial limiting can be carried out to motor shaft, using the step formed in the cylindrical hole 24 of inner side and outer side positioned at outermost cylinder Hole is embedded to be cased with steel bushing 4, and steel bushing 4 is to be preset in during casting in mould and motor casing integrally casting shaping.

Specifically, the outward flange of end cap 2 is provided with multiple bulge loops, tapped blind hole 25 is offered on bulge loop, due to tapped blind hole 25 position is located on the outside of end cap, and the bulge loop for processing tapped blind hole 25 is only used in end cap edge designs, can save material, Most critical is the reduction of the weight of motor casing, so as to mitigate the weight of automobile.

The structure design that the present invention passes through advantages of simple so that motor casing manufacture is easy to process, and the production cycle shortens, simultaneously Radiating and intensity are further lifted, and both ensure that enough intensity requirements, cause motor casing quality mitigates to make it again More meet new-energy automobile.

The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as Into all equivalent modifications or change, should by the present invention claim be covered.

Claims

A kind of 1. New energy automobile motor shell with cylinder sleeve, it is characterised in that：Including integrally formed body and end cap, the end Lid is located at body first end, and the end cap offers centre bore, and the centre bore is embedded close to the position of end cap inner face and is cased with Steel bushing.
A kind of 2. New energy automobile motor shell with cylinder sleeve according to claim 1, it is characterised in that：On the outside of the body Integrally formed with terminal box.
A kind of 3. New energy automobile motor shell with cylinder sleeve according to claim 2, it is characterised in that：The terminal box is leaned on The nearly end of body second, the rectangular box like structure of terminal box, the junction box space and body connects with the internal cavities.
A kind of 4. New energy automobile motor shell with cylinder sleeve according to claim 1, it is characterised in that：On the outside of the body Provided with radiating reinforcement.
A kind of 5. New energy automobile motor shell with steel bushing according to claim 1, it is characterised in that：The body is circle Tubular structure, the end cap are rotary structure, and the end cap lateral surface and medial surface are equipped with reinforcement.
A kind of 6. New energy automobile motor shell with steel bushing according to claim 4, it is characterised in that：On the outside of the body Face is evenly distributed with circular radiating reinforcement vertically, and what the body lateral surface was uniformly distributed circumferentially has vertical radiating to add Strengthening tendons, the vertical radiating reinforcement intersect vertically with annular shape radiating reinforcement.
7. according to a kind of any described New energy automobile motor shells with steel bushing of claim 1-6, it is characterised in that：The end Lid outside dimension is more than body outside dimension.
A kind of 8. New energy automobile motor shell with steel bushing according to claim 1-6, it is characterised in that：Outside the body Side is provided with integrally formed lifting screwed hole；The second end of end cap lateral surface and body end face is provided with connecting hole.