CN211869492U

CN211869492U - Light high-performance aluminum alloy steering wheel framework

Info

Publication number: CN211869492U
Application number: CN202020187177.8U
Authority: CN
Inventors: 陈晖明
Original assignee: Shanghai Fangle Auto Parts Co ltd
Current assignee: Shanghai Fangle Auto Parts Co ltd
Priority date: 2020-02-19
Filing date: 2020-02-19
Publication date: 2020-11-06
Anticipated expiration: 2030-02-19

Abstract

The utility model relates to a light high-performance aluminum alloy steering wheel framework, which comprises a rim, a spoke, a central hub and a hub end cover, wherein the hub end cover is provided with an energy-absorbing component; the energy absorption assembly comprises an energy absorption bottom plate and a shock absorption column; the energy absorption bottom plate is made of an aluminum alloy material, and first mounting holes are formed in the periphery of the energy absorption bottom plate; a second mounting hole is formed in the position, corresponding to the first mounting hole, of the hub end cover; the shock absorption column is T-shaped and comprises a middle cylindrical part and a conical part at the bottom end; notches are formed in two sides of the conical part; a flange matched with the notch is arranged in the second mounting hole; the first end of the shock absorption column is inserted into the first mounting hole, and the lower end of the shock absorption column is clamped in the second mounting hole of the hub end cover. The utility model discloses have when improving steering wheel rigidity, increase anti-seismic performance, the driver's among the reinforcing driving process travelling comfort to reduction in production cost's technological effect.

Description

Light high-performance aluminum alloy steering wheel framework

Technical Field

The utility model belongs to the technical field of the technique of car steering wheel and specifically relates to a light high performance aluminum alloy steering wheel skeleton is related to.

Background

The existing steering wheel framework mainly comprises a rim, a spoke and a fixed frame, wherein the rim is connected with the fixed frame through the spoke, and when the automobile steering wheel framework is used, the automobile steering wheel framework is fixed on a steering shaft of an automobile through a hole in the middle of the fixed frame.

Most of the existing automobile steering wheel frameworks are made of aluminum alloy materials, but the steering wheel frameworks made of the aluminum alloy materials have high specific rigidity and poor anti-seismic performance, so that the anti-seismic performance of the steering wheel frameworks needs to be solved. In the prior art, reference can be made to a utility model patent with an authorization notice number of CN203228829U, which discloses a steering wheel framework for commercial vehicles, comprising a framework main body, wherein the framework main body comprises a rim, a spoke and a hub, the rim is connected with the hub through the spoke, the rim is designed in a circular structure and comprises a semicircular arc structural section and a semicircular arc control section, the spoke is provided with at least four spokes, all the spokes are arranged on the structural section of the rim at equal intervals, and the framework main body is a magnesium alloy framework main body; the utility model discloses a skeleton main part is made by the magnesium alloy material, has the higher antidetonation noise reduction performance of calling, can reach the purpose that improves steering wheel skeleton antidetonation noise reduction performance.

The above prior art solutions have the following drawbacks: although the magnesium alloy framework has light specific gravity, high attenuation coefficient and better shock absorption and damping performance, the magnesium alloy framework has higher production cost and can only be used in steering wheels of high-grade vehicles, the application range is limited, and low-grade vehicles also need to have steering wheel frameworks with good shock absorption performance; therefore, the production cost is reduced while the shock absorbing performance is improved.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a light high performance aluminum alloy steering wheel skeleton when improving steering wheel rigidity, increases the damping performance, and the driver's among the in-process travelling comfort is driven in the reinforcing to reduction in production cost.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a light high-performance aluminum alloy steering wheel framework comprises a rim, spokes, a central hub and a hub end cover, wherein an energy absorption assembly is arranged on the hub end cover; the energy absorption assembly comprises an energy absorption bottom plate and a shock absorption column; the energy absorption bottom plate is made of an aluminum alloy material, and first mounting holes are formed in the periphery of the energy absorption bottom plate; a second mounting hole is formed in the position, corresponding to the first mounting hole, of the hub end cover; the shock absorption column is T-shaped and comprises a middle cylindrical part and a conical part at the bottom end; notches are formed in two sides of the conical part; a flange matched with the notch is arranged in the second mounting hole; one end of the shock absorption column is inserted into the first mounting hole, and the lower end of the shock absorption column is clamped in the second mounting hole of the hub end cover

By adopting the technical scheme, the engine can vibrate during the driving process of the vehicle, the energy absorption assembly arranged in the steering wheel framework can vibrate up and down, the energy generated by the vibration of the vehicle is effectively absorbed, the vibration of the steering wheel is reduced, and the stability of the steering wheel is further improved; the shock-absorbing column is T-shaped, the lower end of the shock-absorbing column is provided with the conical part, and the two sides of the conical part are provided with the notches, so that the shock-absorbing column is conveniently arranged in the second mounting hole of the end cover of the hub, and the combination degree between the shock-absorbing column and the energy-absorbing bottom plate is improved; the energy-absorbing bottom plate is made of aluminum alloy materials and can assist the shock absorption columns to absorb vibration energy, and therefore a good shock absorption effect is achieved.

The utility model discloses further set up to: a support piece is arranged in the shock absorption column; the shock absorption column and the supporting piece are both made of rubber materials; the elastic strength of the supporting piece is higher than that of the shock absorption column; the supporting piece is in interference fit with the shock absorption column.

By adopting the technical scheme, the shock absorption column and the supporting piece are both made of elastic materials, so that the shock generated in the driving process of the vehicle can be absorbed; meanwhile, the supporting piece is made of rubber materials with high elastic strength, so that the steering wheel can be prevented from shaking greatly, and the stability of the steering wheel is improved.

The utility model discloses further set up to: the lower end surface of the energy-absorbing bottom plate is glued with an annular supporting pad; the annular supporting pad is made of rubber materials.

Through adopting above-mentioned technical scheme, annular supporting pad makes and leaves the distance between energy-absorbing bottom plate and the wheel hub end cover, can allow it to take place free deformation, has increased the possibility of energy-absorbing component vibration from top to bottom, plays absorbing technological effect.

The utility model discloses further set up to: one end of the spoke is fixedly connected with the hub end cover, and the other end of the spoke is fixedly connected with the rim; a bending part is arranged in the middle of the spoke.

Through adopting above-mentioned technical scheme, be equipped with the kink in the middle of the spoke, make and form an contained angle between the plane at spoke and wheel hub end cover place, can improve and rim and wheel hub end cover between the joint strength, guaranteed steering wheel skeleton's stability.

The utility model discloses further set up to: two reinforcing ribs are fixedly connected to two sides of the joint of the spoke and the rim; one end of the reinforcing rib is fixedly connected with the spoke, and the other end of the reinforcing rib is fixedly connected with the rim.

Through adopting above-mentioned technical scheme, the strengthening rib can make and be connected more firmly between spoke and the rim.

The utility model discloses further set up to: a steel insert is inserted into the central hub; a cylindrical cavity is formed in the steel insert, and two rings of annular bosses are fixedly connected to the outer surface of the steel insert; the outer surface of the annular boss is in an irregular shape; the steel insert is clamped with the end cover of the hub.

By adopting the technical scheme, the bosses on the outer surface of the steel insert are irregular, so that the steel insert and the steering wheel framework can be fixed relatively firmly, and axial and radial displacement cannot be generated between the steel insert and the steering wheel framework; and the steering wheel is fixed with the automobile steering shaft through the steel insert, so that the abrasion to the steering wheel framework can be reduced, and the technical effect of protecting the steering wheel framework is achieved.

The utility model discloses further set up to: the rim comprises a structural section and a holding section, wherein the structural section is in a semi-circular arc shape; one end of the hub end cover, which is far away from the holding section, is provided with a bridge; the shape of the bridge is Y-shaped; one end of the bridge is fixedly connected with the hub end cover, and the other end of the bridge is fixedly connected with the rim.

By adopting the technical scheme, the Y-shaped bridging can improve the connection strength between the hub end cover and the rim; the strength of the steering wheel framework is enhanced.

The utility model discloses further set up to: the outer surfaces of the rim and the spoke are fixedly connected with honeycomb grid bulges.

Through adopting above-mentioned technical scheme, the honeycomb design makes the intensity of steering wheel skeleton obtain effectual improvement, can satisfy the demand of steering wheel to skeleton intensity.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the energy absorption assembly arranged in the steering wheel framework can absorb energy generated by automobile vibration through up-and-down vibration, so that the shaking of the steering wheel is reduced, and the stability of the steering wheel is improved; the shock-absorbing column is T-shaped, the lower end of the shock-absorbing column is provided with the conical part, and the two sides of the conical part are provided with the notches, so that the shock-absorbing column is conveniently arranged in the second mounting hole of the end cover of the hub, and the combination degree between the shock-absorbing column and the energy-absorbing bottom plate is improved;

2. reinforcing ribs are fixedly connected to the two sides of the spoke, and a bridging structure is arranged at one end, far away from the holding part, of the hub end cover, so that the strength of the steering wheel can be improved, and the requirement of a steering wheel framework on the strength is met;

3. the steel insert is embedded in the central hub, the irregular annular boss is arranged on the outer surface of the steel insert, and the steering wheel framework is fixed with the automobile steering shaft through the steel insert, so that abrasion to the steering wheel framework is reduced, and the steering wheel framework is protected.

Drawings

FIG. 1 is a schematic view showing the overall structure of a steering wheel frame in the embodiment;

FIG. 2 is a schematic structural view of an energy absorber assembly according to an embodiment;

FIG. 3 is a schematic view showing an installation structure of a shock-absorbing column in the embodiment;

FIG. 4 is a schematic structural view of a steel insert in the example;

FIG. 5 is a schematic view of the installation structure of the steel insert in the example.

Reference numerals: 1. a rim; 11. a holding section; 12. a structural section; 13. a protrusion; 2. a spoke; 21. a bending section; 22. reinforcing ribs; 3. a central hub; 31. a steel insert; 311. a boss; 312. a cavity; 4. a hub end cap; 41. an energy absorbing assembly; 411. an energy-absorbing bottom plate; 4111. a first mounting hole; 412. a shock-absorbing post; 4121. a cylindrical portion; 4122. a tapered portion; 4123. a notch; 4124. a support member; 42. a second mounting hole; 421. flanging; 43. an annular support pad; 44. a fixing hole; 5. and (5) bridging.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the light high-performance aluminum alloy steering wheel framework disclosed by the present invention comprises a rim 1, a spoke 2, a central hub 3 and a hub end cover 4; the rim 1 is circular and is divided into a semi-circular structure section 12 and a semi-circular holding section 11; the hub end cover 4 is arranged at the central position of the rim 1, and two ends of the hub end cover 4 are fixedly connected with the rim 1 through the spokes 2; the plane of the hub end cover 4 is lower than the plane of the rim 1; the number of the spokes 2 is two, and the middle parts of the spokes are provided with bending parts 21; one ends of the two spokes 2 are respectively and fixedly connected with the hub end cover 4, and the other ends of the two spokes are respectively and fixedly connected with the rim 1; two reinforcing ribs 22 are arranged on two sides of the joint of the two spokes 2 and the rim 1; one end of the reinforcing rib 22 is fixedly connected with the spoke 2 and the other end is fixedly connected with the rim 1; one end of the hub end cover 4 far away from the holding part 11 is fixedly connected with a bridge 5; the bridge 5 is Y-shaped, and the other end of the bridge is fixedly connected with the rim 1; the equal fixedly connected with honeycomb protruding 13 of surface of spoke 2 and rim 1 makes the intensity of steering wheel skeleton obtain effectual improvement.

Referring to fig. 2 and 3, the energy absorbing assembly 41 is arranged on the hub end cover 4; energy absorbing assembly 41 includes an energy absorbing base plate 411 and a shock absorbing column 412; the energy absorption bottom plate 411 is made of an aluminum alloy material, and four cylindrical first mounting holes 4111 are formed in the periphery of the energy absorption bottom plate; four second mounting holes 42 are formed in the positions, corresponding to the first mounting holes 4111, of the hub end cover 4; the lower end surface of the energy-absorbing bottom plate 411 is glued with an annular supporting pad 43; the annular supporting pad 43 is made of rubber material and can be elastically deformed; four fixing holes 44 are formed in the edge of the hub end cover 4, so that a steering wheel framework can be conveniently installed.

Referring to fig. 3, the shock absorbing column 412 has a "T" shape, and the shock absorbing column 412 includes a middle cylindrical portion 4121 and a bottom tapered portion 4122; two rectangular notches 4123 are formed in two sides of the conical portion 4122, and flanges 421 matched with the notches 4123 are arranged in the second mounting hole 42; one end of the shock absorbing column 412 is inserted into the first mounting hole 4111 of the energy absorbing bottom plate 411, and the lower end of the shock absorbing column is clamped in the second mounting hole 42 of the hub end cover 4; notches 4123 at two sides of the conical part 4122 are clamped with the flanging 421 of the second mounting hole 42; the shock absorbing column 412 is internally provided with a cylindrical support member 4124; the shock-absorbing column 412 and the support member 4124 are both made of a rubber material, and the elastic strength of the support member 4124 is higher than that of the shock-absorbing column 412; the support 4124 is an interference fit with the shock post 412.

Referring to fig. 2 and 4, the central hub 3 is circular in shape and is located at a central position of the hub end cover 4; a steel insert 31 is inserted into the central hub 3.

Referring to fig. 4 and 5, the steel insert 31 is cylindrical and has a cylindrical cavity 312 formed therein; the outer surface of the steel insert 31 is fixedly connected with two rings of annular bosses 311; the outer surface of the annular boss 311 is irregular and is clamped with the hub end cover 4, so that the firmness of combination between the steel insert 31 and the hub end cover 4 can be improved.

The implementation principle of the embodiment is as follows: when in use, firstly, the shock absorbing column 412 is inserted into the first mounting hole 4111 of the energy absorbing bottom plate 411, and the lower end of the shock absorbing column is clamped in the second mounting hole 42 of the hub end cover 4; the notch 4123 of the conical part 4122 at the lower end of the shock absorption column 412 is clamped with the flange 421 of the second mounting hole 42, so that the reliable connection between the shock absorption column 412 and the hub end cover 4 is ensured; then, embedding the steel insert 31 into the central hub 3 in the middle of the hub end cover 4, and fixing the steering wheel framework on the automobile steering shaft through the steel insert 31; finally, fixing the steering wheel framework through mounting holes around the hub end cover 4; when the engine transmits the vibration to the steering wheel frame, the energy-absorbing bottom plate 411 and the shock-absorbing column 412 vibrate up and down and absorb the vibration energy; the supporting piece 4124 in the middle of the shock absorption column 412 in interference fit has high elastic strength, so that the vibration of the steering wheel can be weakened, and the whole steering wheel framework is kept in a static state and does not shake; the annular supporting pad 43 is glued on the bottom surface of one end, close to the hub end cover 4, of the energy-absorbing bottom plate 411, so that a distance is reserved between the energy-absorbing bottom plate 411 and the hub end cover 4, free deformation of the energy-absorbing bottom plate can be allowed, the possibility of up-and-down vibration of the energy-absorbing assembly 41 is increased, and vibration energy is effectively absorbed; one end of the hub end cover 4, which is far away from the holding part, is fixedly connected with a bridge, and the bridge is in a Y shape, so that the connection strength between the hub end cover 4 and the rim 1 is improved; reinforcing ribs 22 are fixedly connected to two sides of the contact part of the spoke 2 and the rim 1, and a bending part 21 is arranged in the middle of the spoke 2, so that the strength and the stability of the steering wheel framework are improved; the outer surfaces of the spoke 2 and the rim 1 are fixedly connected with honeycomb grid bulges 13, and the requirement of the steering wheel on strength is met.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a light high performance aluminum alloy steering wheel skeleton, includes rim (1), spoke (2), central hub (3) and wheel hub end cover (4), its characterized in that: the energy absorption component (41) is arranged on the hub end cover (4); the energy absorption assembly (41) comprises an energy absorption bottom plate (411) and a shock absorption column (412); the energy absorption bottom plate (411) is made of an aluminum alloy material, and the periphery of the energy absorption bottom plate is provided with first mounting holes (4111); a second mounting hole (42) is formed in the position, corresponding to the first mounting hole (4111), of the hub end cover (4); the shock absorption column (412) is in a T shape and comprises a middle cylindrical part (4121) and a conical part (4122) at the bottom end; notches (4123) are formed in two sides of the conical part (4122); a flanging (421) matched with the notch (4123) is arranged in the second mounting hole (42); one end of the shock absorption column (412) is inserted into the first mounting hole (4111), and the lower end of the shock absorption column is clamped in the second mounting hole (42) of the hub end cover (4).

2. The lightweight high performance aluminum alloy steering wheel skeleton of claim 1, wherein: a support piece (4124) is arranged in the shock absorption column (412); the shock absorbing column (412) and the support member (4124) are both made of rubber material; the elastic strength of the support member (4124) is higher than that of the shock-absorbing column (412); the support member (4124) is an interference fit with the shock post (412).

3. The lightweight high performance aluminum alloy steering wheel skeleton of claim 1, wherein: the lower end surface of the energy-absorbing bottom plate (411) is glued with an annular supporting pad (43); the annular support pad (43) is made of a rubber material.

4. The lightweight high performance aluminum alloy steering wheel skeleton of claim 1, wherein: one end of the spoke (2) is fixedly connected with the hub end cover (4) and the other end of the spoke is fixedly connected with the rim (1); a bending part (21) is arranged in the middle of the spoke (2).

5. The lightweight high performance aluminum alloy steering wheel skeleton of claim 4, wherein: two reinforcing ribs (22) are fixedly connected to two sides of the joint of the spoke (2) and the rim (1); one end of the reinforcing rib (22) is fixedly connected with the spoke (2) and the other end is fixedly connected with the rim (1).

6. The lightweight high performance aluminum alloy steering wheel skeleton of claim 1, wherein: a steel insert (31) is inserted into the central hub (3); a cylindrical cavity (312) is formed in the steel insert (31), and two rings of annular bosses (311) are fixedly connected to the outer surface of the steel insert; the outer surface of the annular boss (311) is in an irregular shape; the steel insert (31) is clamped with the hub end cover (4).

7. The lightweight high performance aluminum alloy steering wheel skeleton of claim 1, wherein: the rim (1) comprises a structure section (12) and a holding section (11), wherein the structure section is in a semi-circular arc shape; a bridge (5) is arranged at one end, far away from the holding section (11), of the hub end cover (4); the shape of the bridge (5) is Y-shaped; one end of the bridge (5) is fixedly connected with the hub end cover (4) and the other end is fixedly connected with the rim (1).

8. The lightweight high performance aluminum alloy steering wheel skeleton of claim 1, wherein: the outer surfaces of the rim (1) and the spoke (2) are fixedly connected with honeycomb grid bulges (13).