CN218661997U

CN218661997U - Shock-absorbing and silencing mechanism of automobile steering wheel

Info

Publication number: CN218661997U
Application number: CN202222841979.8U
Authority: CN
Inventors: 宋官升; 阎颖; 高玉堃
Original assignee: Jiangsu Feims Automobile Safety System Co ltd
Current assignee: Jiangsu Feims Automobile Safety System Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-03-21
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a shock attenuation amortization mechanism of car steering wheel, include steering wheel skeleton, support, lead electrical pillar, set up the electrically conductive shell fragment on the support, be provided with shock attenuation bloop on the steering wheel skeleton, the assembly of top department of shock attenuation bloop is provided with the silica gel circle, the internal diameter side and the top of silica gel circle are provided with fixed the knot, the bottom of silica gel circle is provided with the fixing gasket, fixed knot and the mutual lock of fixing gasket, it includes main part and flange portion to lead electrical pillar, the main part passes the fixed hole of detaining, the flange position is downthehole in shock attenuation amortization, the cover is established in the flange portion and is installed the amortization packing ring, electrically conductive shell fragment is located the below department of flange portion. The utility model discloses well conduct electrical pillar is flexible contact in the twinkling of an eye in the resilience contact after pressing, can effectively solve the steering wheel and press loudspeaker and the whole abnormal sound problem of in-process that resets, reaches whole shock attenuation noise cancelling action for silence nature is effectively promoted in whole driving comfort level and the car.

Description

Shock-absorbing and silencing mechanism of automobile steering wheel

Technical Field

The utility model belongs to the technical field of car safety, a car steering wheel technique is related to, concretely relates to shock attenuation noise cancelling mechanism of car steering wheel.

Background

The existing automobile steering wheel is in rigid contact with a horn of a driver airbag module, and has the defects that great sound can be generated when the horn rebounds after being pressed, driving comfort is influenced, abnormal sound is easily generated when a road surface is bumped, and therefore the whole driving comfort and the interior silence of an automobile are influenced.

Therefore, a new technical solution is required to solve this problem.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the problem that the horn abnormal sound is pressed to the car steering wheel that exists among the prior art, a shock attenuation canceling release mechanical system of car steering wheel is provided, can effectively solve the whole journey abnormal sound problem of steering wheel pressing horn and the in-process that resets for whole driving comfort level and interior silence of car are effectively promoted.

The technical scheme is as follows: for the above-mentioned purpose, the utility model provides a shock attenuation noise cancelling mechanism of car steering wheel, include steering wheel skeleton, support, lead electrical pillar, set up the electrically conductive shell fragment on the support, be provided with the shock attenuation bloop on the steering wheel skeleton, the assembly of top department of shock attenuation bloop is provided with the silica gel circle, the internal diameter side and the top of silica gel circle are provided with fixed the knot, the bottom of silica gel circle is provided with the retaining washer, fixed knot and the mutual lock of retaining washer, it includes main part and flange portion to lead electrical pillar, the main part passes the fixed hole of detaining, the flange position is in the shock attenuation amortization downthehole, the amortization packing ring is established to the cover in the flange portion, electrically conductive shell fragment is located the below department of flange portion, it can reciprocate along the fixed hole of detaining to lead electrical pillar.

Further, the support is fixed at the bottom of the steering wheel framework through screws.

Furthermore, the bottom of the silica gel ring is provided with a plurality of columnar protrusions, the fixing gasket is provided with positioning holes matched with the columnar protrusions, and the columnar protrusions are matched with the positioning holes.

Furthermore, the columnar protrusion penetrates through the positioning hole to be in contact with the silencing washer, so that the buffering performance can be improved, and the silencing effect is improved.

Furthermore, the silencing gasket is of a circular ring structure, is sleeved on the main body part of the conductive column, and is located on the top surface of the flange part.

Furthermore, electrically conductive shell fragment is inlayed on the support, there is the clearance space between electrically conductive shell fragment and the flange portion, provide for leading electrical pillar and press and move down the space, guarantee that loudspeaker circuit is not expert when not pressing, loudspeaker do not sound.

Has the advantages that: compared with the prior art, through the cooperation design of silica gel circle, fixed knot, retaining washer and amortization packing ring on the steering wheel skeleton for it is flexible contact in the twinkling of an eye to lead the resilience contact of electrical pillar after pressing, can effectively solve the steering wheel and press loudspeaker and the whole abnormal sound problem of in-process that resets, reaches whole shock attenuation amortization effect, makes whole driving comfort level and interior silence of car effectively promote.

Drawings

FIG. 1 is a schematic view of the general assembly of an automotive steering wheel;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic view of a stationary washer.

Detailed Description

The present invention will be further clarified by the following description with reference to the attached drawings and specific examples, which should be understood as being merely illustrative of the present invention and not limiting the scope of the present invention, and modifications of various equivalent forms of the present invention by those skilled in the art after reading the present invention, all fall within the scope defined by the appended claims of the present application.

As shown in fig. 1, the steering wheel of the vehicle includes a steering wheel assembly 12 and two horn contact structure assemblies 1 disposed in the steering wheel assembly 12, where the horn contact structure assemblies 1 include a damping and silencing mechanism.

As shown in fig. 2 and fig. 3, the present invention provides a damping and silencing mechanism for a steering wheel of an automobile, which is applied to a horn contact structure assembly 1, and comprises a steering wheel frame 5, a support 10, a conductive column 4, and a conductive elastic sheet 7, wherein the support 10 is fixed at the bottom of the steering wheel frame 5 by a plurality of screws 11, the steering wheel frame 5 is provided with a damping and silencing hole 51, the top end of the damping and silencing hole 51 is assembled with a silicone ring 2, the inner diameter side and the top of the silicone ring 2 are provided with a fixing buckle 3, the fixing buckle 3 comprises a longitudinal part and a transverse part, which are respectively tightly attached to the inner diameter side and the top of the silicone ring 2, the bottom of the silicone ring 2 is provided with a fixing washer 9, the fixing buckle 3 and the fixing washer 9 are mutually buckled, and the bottom of the silicone ring 2 is provided with four columnar protrusions 21, the fixing washer 9 is provided with a positioning hole 91 matching with the columnar protrusions 21, the columnar protrusion 21 is matched on the positioning hole 91, the conductive column 4 comprises a main body part 41 and a flange part 42 positioned at the bottom end of the main body part 41, the main body part 41 is of a cylindrical structure, the top end of the main body part is of a conical structure, a clamping groove is formed between the cylindrical structure and the conical structure, the clamping groove is used for installing a driver airbag or a horn cover, the driver airbag or the horn cover is fixed on the clamping groove, the main body part 41 longitudinally penetrates through an inner hole of the fixing buckle 3, the flange part 42 is positioned in the damping and muffling hole 51, a muffling gasket 6 of a circular ring structure is sleeved on the main body part 41, the muffling gasket 6 is attached to the top surface of the flange part 42, namely the muffling gasket 6 is positioned below the fixing gasket 9, when the conductive column 4 is in a non-pressing state, the muffling gasket 6 can just attach to the lower end of the fixing gasket 9, and the columnar protrusion 21 can penetrate through the positioning hole 91 to contact with the muffling gasket 6, the conductive elastic sheet 7 is embedded on the support 10, the contact end of the conductive elastic sheet 7 is located below the flange portion 42, a support hole 13 is formed in the support 10 and located at the contact end of the conductive elastic sheet 7, the support hole is used for providing a downward moving space for the contact end of the conductive elastic sheet 7, when the conductive column 4 is in a non-pressing state, a gap space exists between the flange portion 42 and the contact end of the conductive elastic sheet 7, and the conductive column 4 can move up and down along an inner hole of the fixing buckle 3.

In this embodiment, the noise reduction gasket 6 is a ring-shaped non-woven fabric noise reduction gasket, which has very good elastic buffering performance, and the conductive column 4 is made of steel.

The use principle and the process of shock attenuation amortization mechanism in this embodiment do:

in an assembly state, that is, the conductive column 4 is in a non-pressing state, the clamping groove of the conductive column 4 is in an upward lifting state under the action of an airbag or a horn cover of a driver, at this time, the silencing gasket 6 is tightly attached to the lower end of the fixed gasket 9, the lower end of the columnar protrusion 21 is also in contact with the silencing gasket 6, and a clearance space exists between the flange part 42 and the contact end of the conductive elastic sheet 7.

When a driver presses a driver airbag or a horn cover of the automobile steering wheel, the conductive column 4 is also pressed down, the conductive column 4 slides downwards along the inner hole of the fixing buckle 3, so that the flange part 42 is contacted with the contact end of the conductive elastic sheet 7, the horn circuit is switched on, the horn rings, and the horn ringing action is completed.

After the action is accomplished, driver's gasbag or horn cover are when receiving the resilience force of spring to reset, it resets also along with it to lead electrical pillar 4, contact fixing washer 9 and column protruding 21 until amortization packing ring 6, because amortization packing ring 6, fixing washer 9 and column protruding 21 all possess certain elastic force, so when leading electrical pillar 4 to reset, amortization packing ring 6 is flexible contact in the twinkling of an eye with fixing washer 9 and the protruding 21 resilience contact of column, basically can not send the abnormal sound, reach whole shock attenuation amortization effect, make whole driving comfort level and interior silence of car effectively promote.

Claims

1. The utility model provides a shock attenuation amortization mechanism of car steering wheel, includes steering wheel skeleton, support, leads electrical pillar, sets up the electrically conductive shell fragment on the support, a serial communication port, be provided with the shock attenuation bloop on the steering wheel skeleton, the assembly of top department of shock attenuation bloop is provided with the silica gel circle, the internal diameter side and the top of silica gel circle are provided with fixed knot, the bottom of silica gel circle is provided with fixing gasket, fixed knot and the mutual lock of fixing gasket, it includes main part and flange portion to lead electrical pillar, the main part passes the hole of fixed knot, the flange position is in the shock attenuation amortization downthehole, the cover is established in the flange portion and is installed amortization packing ring, electrically conductive shell fragment is located the below department of flange portion, it can reciprocate along the hole of fixed knot to lead electrical pillar.

2. The shock-absorbing and noise-reducing mechanism for the steering wheel of the automobile as claimed in claim 1, wherein the bracket is fixed to the bottom of the steering wheel frame by means of screws.

3. The shock-absorbing and noise-reducing mechanism of the automobile steering wheel according to claim 1, wherein a plurality of columnar protrusions are arranged at the bottom of the silica gel ring, positioning holes matched with the columnar protrusions are arranged on the fixing gasket, and the columnar protrusions are matched with the positioning holes.

4. The vibration-damping and noise-damping mechanism for a steering wheel of an automobile as claimed in claim 3, wherein the columnar protrusions pass through the positioning holes to contact the noise-damping washer.

5. The automobile steering wheel damping and silencing mechanism as recited in claim 1, wherein the silencing washer is a ring structure, and is disposed on the main body of the conductive pillar and on the top surface of the flange.

6. The automobile steering wheel damping and silencing mechanism according to claim 1, wherein the conductive elastic sheet is embedded on the bracket, and a gap space exists between the conductive elastic sheet and the flange portion.