CN210284350U

CN210284350U - Embedded structure of die-casting steering wheel skeleton inserts

Info

Publication number: CN210284350U
Application number: CN201921062535.6U
Authority: CN
Inventors: 阮红超; 陈龙; 卓文武
Original assignee: Shiyan Zhuohuan Auto Parts Co ltd
Current assignee: Shiyan Zhuohuan Auto Parts Co ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-04-10
Anticipated expiration: 2029-07-09

Abstract

The utility model provides a pre-buried structure of die-casting steering wheel skeleton inserts, which comprises a steering wheel skeleton, a milling groove A and a milling groove B; an embedded insert is arranged in an inner cavity of a middle mounting hole of the steering wheel framework. The utility model discloses in because milling flutes A and milling flutes B have been seted up on four lateral walls of pre-buried inserts respectively, wherein milling flutes B sets up the intermediate position department at three lateral wall, milling flutes A has been seted up on the other one lateral wall, steering wheel terminal surface is worn in its milling flutes A direct milling, it can bear great moment of torsion to have guaranteed pre-buried inserts, and other three ascending milling flutes B of side, make pre-buried inserts possess certain compressive strength, the not enough problem of intensity of the pre-buried inserts of steering wheel has been solved, moreover, the steam generator is simple in structure, easy processing, high production efficiency, it scraps because of inserts intensity problem production to reduce the steering wheel skeleton simultaneously, the enterprise cost has been practiced thrift.

Description

Embedded structure of die-casting steering wheel skeleton inserts

Technical Field

The utility model belongs to the technical field of the automobile manufacturing, more specifically say, in particular to pre-buried structure of die-casting steering wheel skeleton inserts.

Background

The steering wheel die casting is an important part for connecting the output rotating shaft, and is related to the service life of the steering wheel.

Compared with the conventional anti-rotation and anti-pulling structure of a die casting insert, the anti-rotation and anti-pulling structure is a mode of turning an anti-rotation groove or punching a side surface, can only bear the torque force of a small torque (generally 8-10 N.m), and only has lower compressive strength (about 10 MPa); however, the insert in the steering wheel frame needs to bear high torsion (generally about 30N · m) and needs to have certain compressive strength (about 35 KN).

In view of the above, the present invention provides a pre-embedded structure of a die-cast steering wheel frame insert, which is developed and improved in view of the existing structure and defects, so as to achieve the purpose of being more practical.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a pre-buried structure of die-casting steering wheel skeleton inserts, which is a way of preventing the rotation and pulling of the die-casting inserts which are commonly used at present, and is a way of preventing the rotation of the vehicle and the pulling of the side surface, can only bear the torsion of small torque (generally 8-10 N.m), and only has lower compressive strength (about 10 MPa); however, the insert in the steering wheel frame has a problem that it is required to bear a high torsion (generally about 30N · m) and to have a certain compressive strength (about 35 KN).

The purpose and the efficacy of the utility model are achieved by the following specific technical means:

a pre-buried structure of die-casting steering wheel skeleton inserts comprises a steering wheel skeleton, pre-buried inserts, a milling groove A and a milling groove B;

an embedded insert is arranged in an inner cavity of a middle mounting hole of the steering wheel framework.

Furthermore, a milling groove A and a milling groove B are respectively formed in four outer side walls of the embedded insert, wherein the milling groove B is formed in the middle of the three outer side walls, the milling groove A is formed in the other outer side wall, and the milling groove A directly mills the end face of the steering wheel.

Furthermore, the axial bearing capacity of the steering wheel framework is at most 800N, and the deformation of the wheel rim is less than or equal to 7 MM.

Furthermore, the steering wheel framework material is AM60B, the axial pull-out force of the embedded insert is more than or equal to 40KN, and the covering force of the steering wheel framework foaming body is more than 30N m.

Furthermore, the maximum fastening force of the embedded insert can reach 50 N.m, the displacement error of the embedded insert is less than or equal to 1mm, and the axial pull-out force of the embedded insert is more than or equal to 40 KN.

Compared with the prior art, the utility model discloses following beneficial effect has:

because the milling flutes A and the milling flutes B have been seted up respectively on four lateral walls of pre-buried inserts, wherein milling flutes B sets up in the intermediate position department of three lateral wall, milling flutes A has been seted up on the other lateral wall, steering wheel terminal surface is directly worn in its milling flutes A mills, it can bear great moment of torsion to have guaranteed pre-buried inserts, and the ascending milling flutes B of other three directions, make pre-buried inserts possess certain compressive strength, the problem that the intensity of the pre-buried inserts of steering wheel is not enough has been solved, moreover, the steam generator is simple in structure, the processing is easy, high in production efficiency, reduce scrapping of steering wheel skeleton because of the inserts intensity problem produces simultaneously, the enterprise cost has been practiced thrift.

Drawings

Fig. 1 is a schematic view of the steering wheel shaft structure of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic view of a-a of the present invention in partial cross section.

Fig. 4 is a schematic view of the sectional structure of the original embedded insert of the present invention.

Fig. 5 is a schematic view of the original embedded insert of the present invention.

Fig. 6 is a schematic view of a sectional structure of a pre-embedded insert of the present invention.

Fig. 7 is a right-view structural schematic diagram of the embedded insert of the present invention.

Fig. 8 is a left side view structure schematic diagram of the embedded insert of the present invention.

Fig. 9 is a schematic view of the top view structure of the embedded insert of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a steering wheel armature; 2. embedding an insert; 201. milling a groove A; 202. milling a groove B; 01. and (5) originally embedding the insert.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 9:

the utility model provides a pre-buried structure of die-casting steering wheel skeleton inserts, including steering wheel skeleton 1, pre-buried inserts 2, milling flutes A201 and milling flutes B202;

an embedded insert 2 is arranged in an inner cavity of a middle mounting hole of the steering wheel framework 1.

Wherein, milling flutes A201 and milling flutes B202 have been seted up respectively on four lateral walls of embedded insert 2, and wherein milling flutes B202 are seted up in the intermediate position department of three lateral wall, have seted up milling flutes A201 on the other lateral wall, and steering wheel terminal surface is directly worn in its milling flutes A201 milling, has guaranteed that embedded insert 2 can bear great moment of torsion, and the milling flutes B202 in other three directions for embedded insert 2 possesses certain compressive strength.

The maximum axial bearing capacity of the steering wheel framework 1 is 800N, the deformation of the wheel rim is less than or equal to 7MM, the static axial strength of the steering wheel framework 1 is guaranteed, and the steering wheel framework 1 has no cracks when in use.

The material of the steering wheel framework 1 is AM60B, the axial pull-out force of the embedded insert 2 is more than or equal to 40KN, and the covering force of the foaming body of the steering wheel framework 1 is more than 30 N.m.

The maximum fastening force of the embedded insert 2 can reach 50 N.m, the displacement error of the embedded insert 2 is less than or equal to 1mm, and the axial pull-out force of the embedded insert 2 is more than or equal to 40KN, so that the strength requirement of the steering wheel framework 1 on the embedded insert 2 is met, waste products are reduced, and the production yield is improved.

The specific use mode and function of the embodiment are as follows:

in the utility model, because the four outer side walls of the embedded insert 2 are respectively provided with the milling groove A201 and the milling groove B202, wherein the milling groove B202 is arranged at the middle position of the three outer side walls, the other side wall is provided with the milling groove A201, the milling groove A201 directly mills the end surface of the steering wheel, the embedded insert 2 can bear larger torque, and the milling grooves B202 in the other three directions ensure that the embedded insert 2 has certain compressive strength, the axial bearing capacity of the steering wheel framework 1 is maximum 800N, the wheel rim deformation is less than or equal to 7MM, the static axial strength of the steering wheel framework 1 is ensured, when in use, the steering wheel framework 1 has no cracks, in addition, the maximum fastening force of the embedded insert 2 can reach 50 N.m, the displacement error of the embedded insert 2 is less than or equal to 1MM, the axial pull-out force of the embedded insert 2 is more than or equal to 40KN, the strength requirement of the steering wheel framework 1 on the embedded insert 2 is ensured, waste products are reduced, and production yield is improved.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a pre-buried structure of die-casting steering wheel skeleton inserts which characterized in that: the embedded structure of the die-cast steering wheel framework insert comprises a steering wheel framework (1), an embedded insert (2), a milling groove A (201) and a milling groove B (202);

an embedded insert (2) is arranged in an inner cavity of a middle mounting hole of the steering wheel framework (1).

2. The embedded structure of the die-cast steering wheel framework insert of claim 1, characterized in that: the four outer side walls of the embedded insert (2) are respectively provided with a milling groove A (201) and a milling groove B (202), wherein the milling groove B (202) is arranged at the middle positions of the three outer side walls, the other side wall is provided with the milling groove A (201), and the milling groove A (201) directly mills the end face of the steering wheel.

3. The embedded structure of the die-cast steering wheel framework insert of claim 1, characterized in that: the maximum axial bearing capacity of the steering wheel framework (1) is 800N, and the deformation of the wheel rim is less than or equal to 7 MM.

4. The embedded structure of the die-cast steering wheel framework insert of claim 1, characterized in that: the steering wheel framework (1) is made of AM60B, the axial pull-out force of the embedded insert (2) is more than or equal to 40KN, and the covering force of the foaming body of the steering wheel framework (1) is more than 30 N.m.

5. The embedded structure of the die-cast steering wheel framework insert of claim 1, characterized in that: the maximum fastening force of the embedded insert (2) can reach 50 N.m, the displacement error of the embedded insert (2) is less than or equal to 1mm, and the axial pull-out force of the embedded insert (2) is more than or equal to 40 KN.