CN206030957U - Electric automobile semi -axis - Google Patents

Abstract

The utility model discloses an electric automobile semi -axis, including the semi -axis main part, the inside of semi -axis main part is equipped with hollow slot hole, the right -hand member fixedly connected with spline universal joint of semi -axis main part, the outside of spline universal joint is equipped with the spline tooth, the left end fixedly connected with bearing neck of semi -axis main part, the left end of bearing neck is equipped with the ring flange, the edge part of ring flange is equipped with the bolt hole, anti -skidding elastic ring has been inlayed to the inside of bolt hole, the automobile semi -axle main part is inside for being equipped with hollow slot hole, and both ends are solid structure, have overcome solid shafting and have had the problem that weight is heavier and the cost is higher, through the anti -skidding elastic ring of embedding in the bolt hole to can realize the elastic connection between bolt and the ring flange, can effectively slow down the impact that vibrations brought, prevent bolt looseness, and then the frequency that reduces the semi -axis maintenance or change, the utility model relates to a rationally, simple structure is suitable for production and promotes.

Description

A kind of electric automobile semiaxis

Technical field

This utility model belongs to automobile axle shaft technical field, and in particular to a kind of electric automobile semiaxis.

Background technology

Now with the comprehensive improvement of environmental pollution, country widelys popularize electric automobile and uses in popularization among the people, especially Be short-range workman it is on and off duty ride instead of walk it is more universal using electric automobile；Electric automobile has the following advantages：One is electric automobile Electric energy is used under steam, and non-exhaust emission, noiselessness are free from environmental pollution；Two is that electric automobile speed is low, and in traveling, safety can Lean on；Three is that electric automobile drives energy source of car utilization rate high than gasoline engine, because of single use electric energy, eliminates electromotor, speed change Case, fuel tank, cooling system and gas extraction system, which is relatively simple for structure；Electric automobile can After Hours can be in electricity consumption ebb in workman Shi Jinhang automobiles charge, and can stabilize the peak-valley difference of electrical network, make generating equipment be fully utilized；In electric automobile during traveling mistake Cheng Zhong, in the case of particularly road conditions are bad, larger due to shaking, the bolt on automobile axle shaft is easy to loosen；In addition, if Rear axle differential gap is big, and starting can be caused unstable, and semiaxis stress dash is big, also easily makes semiaxis bolt looseness or fracture, It is long-term so, it is laborious when not only needing routine repair cost, automobile normal running is affected, certain potential safety hazard can be more produced, it is right The person and property safety are impacted；Automobile axle shaft traditional at present is all the solid shafting for adopting so that complete vehicle weight increases, drop Weight effect is bad, increases manufacturing cost, is unfavorable for the energy-saving and emission-reduction of vehicle.

Utility model content

The purpose of this utility model is to provide a kind of electric automobile semiaxis, with asking for solving to propose in above-mentioned background technology Topic.

For achieving the above object, this utility model provides following technical scheme：A kind of electric automobile semiaxis, including semiaxis master Body, the inside of the semiaxis main body are provided with hollow elongated hole, and the right-hand member of the semiaxis main body is fixedly connected with spline universal joint, described The outside of spline universal joint is provided with spline tooth, and the left end of the semiaxis main body is fixedly connected with bearing neck, a left side for the bearing neck End is provided with ring flange, and the edge part of the ring flange is provided with bolt hole, and the inside of the bolt hole is embedded with antiskid elastic circle.

Preferably, the surface of the spline tooth is provided with quenching layer, and quenching hardness is HRC48-HRC50.

Preferably, the cross sectional shape of the hollow elongated hole is triangle.

Technique effect of the present utility model and advantage：The electric automobile semiaxis, automobile axle shaft body interior are to be provided with hollow Elongated hole, two ends are entity structure, on the premise of automobile axle shaft rigidity and stress is ensured, alleviate weight, and reduce cost, Overcome existing automobile axle shaft and there is heavier-weight and the reduction of discharging of relatively costly impact automobile energy-saving using solid shafting, it is hollow The section of elongated hole is triangular design, and stabilized structure is stronger than circular non-deformability, is difficult to be bent over or flattens；Quenching Layer ensure that the hardness of spline tooth, increased wearability；By being embedded in antiskid elastic circle in bolt hole, such that it is able to realize spiral shell Elastic connection between bolt and ring flange, can effectively slow down the impact that vibrations bring, and prevent bolt looseness, and then reduce semiaxis dimension The frequency repaiied or change；This utility model is reasonable in design, simple structure, and non-deformability is strong, and workpiece quality is high, machining Amount is few, material-saving and the energy, and production efficiency is high, and can effectively prevent bolt looseness, be suitable to car industry production and Popularization and application.

Description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is right side cross-sectional view of the present utility model.

In figure：1 semiaxis main body, 2 hollow elongated holes, 3 spline universal joints, 4 spline tooths, 5 quenching layers, 6 bearing necks, 7 ring flanges, 8 bolts hole, 9 antiskid elastic circles.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.

This utility model provides a kind of electric automobile semiaxis as shown in Figure 1-2, including semiaxis main body 1, the semiaxis The inside of main body 1 is provided with hollow elongated hole 2, and the cross sectional shape of the hollow elongated hole 2 is triangle, the right-hand member of the semiaxis main body 1 Spline universal joint 3 is fixedly connected with, the outside of the spline universal joint 3 is provided with spline tooth 4, and the surface of the spline tooth 4 is provided with Quenching layer 5, and quenching hardness is HRC48-HRC50, the left end of the semiaxis main body 1 is fixedly connected with bearing neck 6, the semiaxis Main body 1 is welding with the connected mode of bearing neck 6 and spline universal joint 3, and the left end of the bearing neck 6 is provided with ring flange 7, described The edge part of ring flange 7 is provided with bolt hole 8, and the inside of the bolt hole 8 is embedded with antiskid elastic circle 9.

The electric automobile semiaxis, for being provided with hollow elongated hole 2 inside automobile axle shaft main body 1, two ends are entity structure, are being ensured On the premise of automobile axle shaft rigidity and stress, weight is alleviated, and reduces cost, existing automobile axle shaft is overcome using solid Axle there is heavier-weight and relatively costly impact automobile energy-saving is reduced discharging, and the section of hollow elongated hole 2 is triangular design, is tied Structure is consolidated, stronger than circular non-deformability, is difficult to be bent over or is flattened；Quenching layer 5 ensure that the hardness of spline tooth 4, increase Wearability is added；By being embedded in antiskid elastic circle 9 in bolt hole 8, such that it is able to realize the elasticity between bolt and ring flange 7 Connection, can effectively slow down the impact that vibrations bring, and prevent bolt looseness, and then reduce semiaxis maintenance or the frequency changed；This Utility model is reasonable in design, simple structure, and non-deformability is strong, and workpiece quality is high, and machining amount is few, material-saving and energy Source, production efficiency are high, and can effectively prevent bolt looseness, are suitable to the production and popularization and application of car industry.

Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this is not limited to Utility model, although being described in detail to this utility model with reference to the foregoing embodiments, for those skilled in the art For, which still can be modified to the technical scheme described in foregoing embodiments, or to which part technical characteristic Equivalent is carried out, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc., Should be included within protection domain of the present utility model.

Claims (3)

1. a kind of electric automobile semiaxis, including semiaxis main body（1）, it is characterised in that：The semiaxis main body（1）Inside be provided with sky Heart elongated hole（2）, the semiaxis main body（1）Right-hand member be fixedly connected with spline universal joint（3）, the spline universal joint（3）It is outer Portion is provided with spline tooth（4）, the semiaxis main body（1）Left end be fixedly connected with bearing neck（6）, the bearing neck（6）Left end It is provided with ring flange（7）, the ring flange（7）Edge part be provided with bolt hole（8）, the bolt hole（8）Inside be embedded with it is anti-skidding Elastic ring（9）.

2. a kind of electric automobile semiaxis according to claim 1, it is characterised in that：The spline tooth（4）Surface be provided with Quenching layer（5）, and quenching hardness is HRC48-HRC50.

3. a kind of electric automobile semiaxis according to claim 1, it is characterised in that：The hollow elongated hole（2）Section shape Shape is triangle.