KR200186015Y1 - Monolithic armature for steering wheel - Google Patents

Abstract

The present invention relates to an armature that forms a skeleton of an automobile handle body, wherein among the elements constituting the armature, a center die casting layer, a ring joint die casting layer, spokes, and a ring are integrally molded by die casting.

The present invention also relates to an armature forming a skeleton of an automobile handle body, in which a center die casting layer, a ring joint die casting layer, and spokes are integrally formed by die casting among the elements constituting the armature.

Compared to the conventional armature, the armature according to the present invention is formed by integrally molding each component by die casting, which simplifies the component parts, simplifies the manufacturing process, saves manufacturing time, and greatly reduces the weight by using the die casting material. Reduced.

Description

Monolithic armature for car steering wheel {Monolithic Armature for Steering Wheel}

The present invention relates to an armature that forms the skeleton of an automobile handle body, wherein among the elements constituting the armature, a center die casting layer, a ring joint die casting layer, spokes, and a ring are integrally molded by die casting.

The present invention also relates to an armature forming a skeleton of an automobile handle body, in which a center die casting layer, a ring joint die casting layer, and spokes are integrally formed by die casting among the elements constituting the armature.

In general, the steering wheel of the vehicle is composed of a body forming the basic shape of the steering wheel and the top cover assembled in the middle of the upper portion of the body.

FIG. 1A is a perspective view of a body that is a component of such a conventional handle, and FIG. 1B is a structural diagram of the armature 30 made of iron and die-casting material forming the skeleton of the body 1, and a ring that is a component of the armature 30. It shows a body (1) consisting of a steering body (10) made of polyurethane material and a lower cover (20) made of polypropylene wrapping the bottom of the body (1).

At this time, the armature 30 is composed of the center die casting layer 31, the ring joint die casting layer 32, the core ring 33, the spoke 34 and the ring 35.

FIG. 1C is a cross-sectional view taken along the line AA of FIG. 1B, and FIG. 1D is a cross-sectional view taken along the line BB of FIG. 1B, and includes a center die casting layer 31, a ring joint die casting layer 32, a core ring 33, a spoke 34, and a ring ( A body 1 consisting of an armature 30, a steering body 10, and a lower cover 20, consisting of 35, is shown.

The present invention relates to the armature 30 constituting the skeleton of the body 1 of the components constituting such a vehicle steering wheel, looking at the prior art for the armature 30 as follows.

The prior art of the armature 30 is described with reference to FIGS. 2A-2D.

FIG. 2A is a perspective view of a conventional armature 30, FIG. 2B is a structural diagram of a conventional armature 30, FIG. 2C is a cross-sectional view taken along line CC of FIG. 2B, and FIG. 2D is a cross-sectional view taken on line DD of FIG. The die casting layer 31, the ring joint die casting layer 32, the core ring 33, the spokes 34 and the ring 35 show the armature 30 composed of the respective components.

Looking briefly at such a conventional amateur 30 manufacturing process as follows.

The core ring 33 is manufactured by lathes, drills, and presses using steel round bars, and the spokes 34 are formed by cutting machines and presses using steel plates or round bars. The ring 35 is manufactured by a bending machine or a welder using steel pipes.

In this case, in order to manufacture the spokes 34, various molds such as a blanking press mold, a piercing press mold, a bending press mold, and the like, which form the shape of the spokes 34, are required.

In addition, a die casting mold and a die casting machine are required to connect the core ring 33 and the spoke 34 and the spoke 34 and the ring 35.

That is, when the core ring 33, the spokes 34, and the ring 35 are inserted into the die casting mold to perform die casting molding, the center die casting layer 31, the ring joint die casting layer 32, the core ring 33, and the spokes ( An armature 30 is completed in which 34 and ring 35 are made up of respective components.

This conventional armature 30 has a complicated manufacturing process, a large number of components required, a lot of manufacturing time, the spokes 34 and the ring 35 is made of iron material, so the weight is a big problem There was this.

Therefore, in the present invention, in the armature forming the skeleton of the automobile handle body 1, it is intended to provide an armature in which the center die casting layer, the ring joint die casting layer, the spokes and the ring are integrally formed among the armature components.

In addition, in addition to the above case, it is also intended to provide an armature in which the center die casting layer, the ring joint die casting layer, and the spokes are integrally formed among the components of the armature.

The difference between them is in the ring.

The former armature consists of the center die casting layer, the ring joint die casting layer, the spokes and the ring integrally, and the overall material is the die casting material, while the latter armature consists of only the center die casting layer, the ring junction die casting layer and the spokes integrally. Is made of die-casting material, while the one-piece ring is made of iron.

Die casting material is an alloy of aluminum, zinc, tin, copper, magnesium, and the like.

1A is a perspective view of a conventional body.

1B is a structural diagram of a conventional body.

1C is a cross-sectional view taken along the line A-A of FIG. 1B.

1D is a cross-sectional view taken along the line B-B in FIG. 1B.

2A is a perspective view of a conventional armature.

2B is a structural diagram of a conventional armature.

2C is a cross-sectional view taken along the line C-C in FIG. 2B.

FIG. 2D is a sectional view taken along the line D-D in FIG. 2B. FIG.

Figure 3a is a perspective view of the armature of the present invention.

Figure 3b is a structural diagram of the armature of the present invention.

3C is a cross-sectional view taken along the line E-E in FIG. 3B.

3D is a cross-sectional view taken along the line F-F in FIG. 3B.

4A is a perspective view of another armature of the present invention.

4b is a structural diagram of another armature of the present invention;

4C is a cross-sectional view taken along the line G-G in FIG. 4B.

4D is a cross-sectional view taken along the line H-H in FIG. 4B.

(Explanation of symbols for the main parts of the drawing)

1: Body 10: Steering Body

20: lower cover 30: amateur

31 center die casting layer 32 ring junction die casting layer

33: core ring 34: spoke

35: Ring 40: Amateur

41: center die casting layer 42: ring junction die casting layer

43: core ring 44: spoke

45: Ring 50: Amateur

51 center die casting layer 52 ring junction die casting layer

53: core ring 54: spoke

55: ring

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Fig. 3A is a perspective view of the armature of the present invention, Fig. 3B is a structural diagram of the armature of the present invention, Fig. 3C is a sectional view taken along line EE of Fig. 3B, and Fig. 3D is a sectional view taken along line FF of Fig. 3B. An armature 40 consisting of an integrally formed central die casting layer 41, a ring junction die casting layer 42, spokes 44 and a ring 45 is shown.

The armature 40 manufacturing process of the present invention is as follows.

After the core ring 43 is manufactured by using a round bar made of iron, a drill and a press, the core ring 43, the ring 45, the center die casting layer 41 and the ring By inserting the core ring 43 into the die casting mold engraved in the shape of the junction die casting layer 42 and the spokes 44, and injecting a die casting material, the center die casting layer 41 and the ring junction die casting layer 42 are formed. The spokes 44 and the ring 45 are integrally formed, and the core ring 43 is completed in the form of the armature 40 which is joined in the form of being inserted into the center die casting layer 41.

In this case, the material of the core ring 43 is iron, and the material of the central die casting layer 41, the ring junction die casting layer 42, the spokes 44, and the ring 45 integrally molded is a die casting material.

4A is a perspective view of another armature of the present invention, FIG. 4B is a structural diagram of another armature of the present invention, FIG. 4C is a cross-sectional view taken along the line GG of FIG. 4B, and FIG. 4D is a cross-sectional view of the HH line of FIG. ) And an armature 50 consisting of a central die casting layer 51, ring junction die casting layer 52, and spokes 54 integrally molded with ring 55.

The armature 50 manufacturing process of the present invention is as follows.

After manufacturing the core ring 53 using a lathe, drill, and press using a round bar made of iron, and using a steel pipe, a ring 55 using a bending machine and a welder, The core ring 53 and the ring 55 are inserted into a die casting mold engraved into the shape of the core ring 53, the ring 55, the center die casting layer 51, the ring joint die casting layer 52, and the spokes 54. After the die casting material is injected and molded, the center die casting layer 51, the ring joint die casting layer 52, and the spokes 54 are integrally formed, and the core ring 53 is inserted into the center die casting layer 51. It is combined in the form, the ring 55 is a portion of the armature 50 is wrapped in a portion wrapped by the ring joint die casting layer 52 is completed.

At this time, the material of the core ring 53 and the ring 55 is iron, and the material of the central die casting layer 51, the ring joint die casting layer 52, and the spoke 54 integrally formed are die casting materials.

In the armature 40 according to the present invention, the center die casting layer 41, the ring joint die casting layer 42, the spokes 44 and the ring 45 are integrally formed by die casting, thereby blanking necessary for producing the spokes 44. The need for press molds, piercing press molds and bending press molds, cutters, bending machines and welders for press and ring 45 production is eliminated.

In addition, the process of inserting the spokes 44 and the ring 45 in the pipe bending process, the welding process, and the die casting molding for the production of the ring 45 is eliminated.

In addition, although the materials of the spokes 34 and the ring 35 were iron in the related art, in the present invention, the center die casting layer 41, the ring joint die casting layer 42, the spokes 44 and the ring 45 are used for die casting. By integrally molding by itself, since the material of the center die casting layer 41, the ring joint die casting layer 42, the spokes 44 and the ring 45 is a die casting material, the weight was greatly reduced.

Similarly, another armature 50 according to the present invention, the center die casting layer 51, the ring joint die casting layer 52, and the spoke 54 are integrally formed by die casting, so that the blanking press die required for the production of the spoke 54, No need for piercing press molds and bending press molds and cutting machines and presses.

In addition, the process of inserting the spokes 54 during die casting molding is eliminated.

In addition, in the prior art, the material of the spokes 34 was iron, but in the present invention, the center die casting layer 51, the ring joint die casting layer 52, and the spokes 54 are integrally formed by die casting, whereby the center die casting layer ( 51), since the materials of the ring joint die casting layer 52 and the spokes 54 are die casting materials, the weight is greatly reduced.

However, compared with the latter armature 50, the former armature 40 is omitted because the production of the ring 55 made of iron material is further shortened, the weight is further reduced.

That is, the effects of the armatures 40 and 50 according to the present invention can be summarized as the simplification of the component parts, the simplification of the armature manufacturing process, the saving of manufacturing time and the reduced weight.

Claims (1)

In the armature 40 which forms the skeleton of the automobile steering wheel body 1, in the shape of the core ring 43, the ring 45, the center die casting layer 41, the ring joint die casting layer 42 and the spoke 44 By inserting a separately manufactured core ring 43 into the engraved die casting mold and injecting and molding a die casting material, the center die casting layer 41, the ring joint die casting layer 42, the spokes 44 and the ring 45 are Integrally molded, the core ring 43 is armature 40, characterized in that coupled to the inserted form in the center die casting layer (41).