CN211391435U - Horn contact assembly and steering wheel system - Google Patents
Horn contact assembly and steering wheel system Download PDFInfo
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- CN211391435U CN211391435U CN201922090885.XU CN201922090885U CN211391435U CN 211391435 U CN211391435 U CN 211391435U CN 201922090885 U CN201922090885 U CN 201922090885U CN 211391435 U CN211391435 U CN 211391435U
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Abstract
The utility model discloses a loudspeaker contact subassembly and steering wheel system, wherein loudspeaker contact subassembly includes the loudspeaker contact of two relative settings, at least one the loudspeaker contact is made by metal shrapnel, metal shrapnel includes stiff end and free end, the stiff end is fixed on the installation face, the free end be used for with another loudspeaker contact can produce elastic deformation, metal shrapnel through damping portion reduce after the elastic deformation with collision between the installation face. The utility model makes at least one horn contact from the metal spring, the free end of the metal spring contacts with the other horn contact and can generate elastic deformation, the collision when the two horn contacts contact is buffered, and the noise is reduced; when the metal elastic sheet is elastically deformed, the vibration reduction part is used for reducing the collision between the metal elastic sheet and the installation surface.
Description
Technical Field
The utility model relates to a technical field of car especially relates to a loudspeaker contact subassembly and steering wheel system.
Background
Driver Airbag (DAB, main driving safety air bag) is provided with a horn contact, and when two butt-joint horn contacts are contacted, a horn loop is connected. One of the horn contacts is mounted on the housing of the main driving airbag, and the other horn contact is mounted on the horn support. The existing two horn contacts are both made of metal rivets, and when the two horn contacts are contacted, the up-down collision can generate undesirable noise.
Therefore, there is a need for a horn contact assembly and steering wheel system that addresses the noise problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a loudspeaker contact subassembly and steering wheel system that can solve the noise problem.
The technical scheme of the utility model provide a loudspeaker contact subassembly, including the loudspeaker contact of two relative settings, at least one the loudspeaker contact is made by metal shrapnel, metal shrapnel includes stiff end and free end, the stiff end is fixed on the installation face, the free end be used for with another the contact of loudspeaker contact can produce elastic deformation, metal shrapnel through damping portion reduce elastic deformation back with collision between the installation face.
Further, the free end includes a contact portion for contacting the other of the horn contacts, the contact portion extending from the fixed end and protruding toward the other of the horn contacts.
Further, the free end further includes a connecting portion connecting the fixed end and the contact portion, the connecting portion being arranged obliquely from the fixed end toward the contact portion.
Furthermore, the free end further comprises a pre-tightening attaching portion, the pre-tightening attaching portion extends downwards from one side, far away from the fixed end, of the contact portion, and the pre-tightening attaching portion is the vibration reduction portion.
Further, a buffer member is arranged below the contact portion, and the buffer member is the vibration reduction portion.
Further, the buffer member is made of a felt sheet, or a sponge sheet.
Furthermore, the fixed end is provided with a mounting hole.
Further, the two horn contacts are made of metal elastic sheets.
The utility model also provides a steering wheel system, including main driving air bag casing, gas generator and horn bracket, gas generator installs on the main driving air bag casing, horn bracket installs gas generator's top still includes above-mentioned arbitrary loudspeaker contact subassembly, one of them the loudspeaker contact is installed on the horn bracket, another the loudspeaker contact is installed on the main driving air bag casing.
Further, the fixed end is fixedly connected with the flange of the gas generator and the main driving airbag shell through bolts and nuts.
After adopting above-mentioned technical scheme, have following beneficial effect:
the utility model makes at least one horn contact from the metal spring, the free end of the metal spring contacts with the other horn contact and can generate elastic deformation, the collision when the two horn contacts contact is buffered, and the noise is reduced; when the metal elastic sheet is elastically deformed, the vibration reduction part is used for reducing the collision between the metal elastic sheet and the installation surface.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
fig. 1 is a schematic structural view of a horn contact assembly according to a first embodiment of the present invention before installation;
fig. 2 is a schematic structural diagram of a horn contact assembly according to a first embodiment of the present invention after being mounted;
fig. 3 is a schematic structural diagram of a horn contact assembly according to a second embodiment of the present invention before installation.
Reference symbol comparison table:
a main driving airbag housing 10, a gas generator 20;
the elastic metal sheet comprises a metal elastic sheet 1, a buffer part 2, a bolt 3 and a nut 4;
the fixed end 11, the free end 12, the mounting hole 111, the contact portion 121, the connecting portion 122, and the pre-tightening attachment portion 123.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
It is easily understood that, according to the technical solution of the present invention, a plurality of structural modes and implementation modes that can be mutually replaced by those of ordinary skill in the art can be achieved without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are only exemplary illustrations of the technical solutions of the present invention, and should not be construed as limiting or restricting the technical solutions of the present invention in its entirety or as a limitation of the present invention.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
As shown in fig. 1, the horn contact assembly comprises two horn contacts arranged oppositely, at least one horn contact is made of a metal elastic sheet 1, the metal elastic sheet 1 comprises a fixed end 11 and a free end 12, the fixed end 11 is fixed on the installation surface, the free end 12 is used for being in contact with another horn contact and being capable of generating elastic deformation, and the metal elastic sheet 1 reduces the collision between the elastic deformation and the installation surface through a vibration reduction part.
In this embodiment, the mounting surface is the upper surface of the main driving airbag housing 10, as shown in fig. 2.
Because at least one loudspeaker contact is made of the metal elastic sheet 1, the free end 12 of the metal elastic sheet 1 is in contact with the other loudspeaker contact and can generate elastic deformation, the collision when the two loudspeaker contacts are in contact is buffered, and the collision noise between the two loudspeaker contacts is reduced.
After the metal elastic sheet 1 is elastically deformed, the metal elastic sheet can move towards the installation surface and collide with the installation surface, and the vibration damping part can reduce the collision between the metal elastic sheet and the installation surface, so that the problem of collision noise is solved.
Optionally, both the horn contacts may be made of metal dome, or any one of the horn contacts may be made of metal dome.
Further, as shown in fig. 3, the free end 12 includes a contact portion 121 for contacting another horn contact, and the contact portion 121 extends from the fixed end 11 and projects toward the other horn contact.
The contact portion 121 is used to contact with another corresponding horn contact, and the contact portion 121 protrudes toward the other horn contact, so that a certain space for elastic deformation is provided below the contact portion 121. When the contact portion 121 is brought into contact with another horn contact, the contact portion 121 is elastically deformed downward for buffering the impact and reducing the generation of noise. When the contact portion 121 is separated from the other horn contact, it returns to the undeformed initial state.
Further, as shown in fig. 3, the free end 12 further includes a connecting portion 122, the connecting portion 122 connects the fixed end 11 and the contact portion 121, and the connecting portion 122 is disposed obliquely from the fixed end 11 toward the contact portion 122.
The connecting portion 122 is used to connect the fixed end 11 and the contact portion 121, so that the connecting portion 122 can protrude toward the other horn contact with respect to the fixed end 11.
Further, as shown in fig. 3, the free end 12 further includes a pre-tightening attaching portion 123, and the pre-tightening attaching portion 123 extends downward from a side of the contact portion 121 away from the fixed end 11, in which case the pre-tightening attaching portion 123 is a vibration damping portion.
The bottom end of the pre-tightening attachment portion 123 can be in contact with the mounting surface, but is not fixed. When the contact portion 121 contacts another horn contact, the pre-tightening attaching portion 123 and the fixed end 11 become two supporting sides at two opposite sides of the contact portion 121, and the contact portion 121 still generates a certain elastic deformation to buffer the collision and reduce the noise.
Further, as shown in fig. 1-2, a cushion member 2 is provided below the contact portion 121, and in this case, the cushion member 2 is a vibration damping portion.
The upper surface of the cushion member 2 contacts the lower surface of the contact portion 121, and the lower surface of the cushion member 2 contacts the mounting surface. The buffer member 2 can buffer the collision with the mounting surface, when the contact part 121 is contacted with another horn contact, the contact part 121 deforms downwards, the buffer member 2 is compressed, and the buffer member 2 is compressed, so that the effect of buffering the collision can be better achieved.
Alternatively, the buffer member 2 is made of a felt sheet, or a sponge sheet. The cushion member 2 may be directly adhered to the lower surface, or the mounting surface, of the contact portion 121.
Alternatively, other materials that are resilient and vibration absorbent may be substituted for the felt or sponge sheet.
Optionally, the buffer member 2 may not be disposed below the metal dome 1, and the metal dome 1 may only buffer the collision.
Further, as shown in fig. 1, the fixing end 11 is provided with a mounting hole 111. The fixed end 11 is fixedly connected with the mounting surface by penetrating a bolt into the mounting hole 111.
Alternatively, the fixing end 11 may be fixed by other means, such as: welding, gluing, or the like.
The utility model provides a steering wheel system, as shown in fig. 2, including main driving air bag casing 10, gas generator 20 and horn support (not shown), gas generator 20 installs on main driving air bag casing 10, and horn support installs in gas generator 20's top, still includes loudspeaker contact subassembly, and one of them loudspeaker contact (not shown) is installed on horn support, and another loudspeaker contact is installed on main driving air bag casing 10.
The horn contact on the main driving safety airbag shell 10 is made of a metal elastic sheet 1, the metal elastic sheet 1 comprises a fixed end 11 and a free end 12, the fixed end 11 is fixed on the installation surface, the free end 12 is used for being in contact with another horn contact and capable of generating elastic deformation, and the metal elastic sheet 1 reduces collision between the elastic deformation and the installation surface through a vibration reduction part.
When a driver presses a horn key, a horn contact on the horn support is in contact with a horn contact of the main driving airbag shell 10, and after the two horn contacts are in contact, the metal elastic sheet 1 is compressed and deformed to buffer the collision between the two horn contacts, so that the collision noise between the two horn contacts is reduced. And the vibration damping part is used for reducing the collision between the metal elastic sheet 1 and the mounting surface after the metal elastic sheet is elastically deformed.
Alternatively, the metal dome 1 may also be mounted directly on the main driver airbag housing 10, or directly on the gas generator 20, or on the horn support.
The mounting surface may be a face of the main driver airbag housing 10, or the gas generator 20, or the horn support.
Further, as shown in fig. 2, the fixed end 11 is fixedly connected to the flange of the gas generator 20 and the main driving airbag housing 10 by means of bolts 3 and nuts 4.
The bolt 3 sequentially penetrates through a flange of the gas generator 20, the fixed end 11 and the main driving airbag shell 10 from top to bottom, and finally the metal elastic sheet 1 is connected between the gas generator 20 and the main driving airbag shell 10 by locking the nut 20.
The first embodiment is as follows:
as shown in fig. 1-2, the horn contact assembly includes two horn contacts disposed oppositely, one horn contact is made of a metal elastic sheet 1, the metal elastic sheet 1 includes a fixed end 11 and a free end 12, the fixed end 11 is fixed on the mounting surface, the free end 12 is used for contacting with another horn contact and generating elastic deformation, the other horn contact is made of a rivet, and the metal elastic sheet 1 reduces the collision between the elastically deformed horn contact and the mounting surface through a vibration reduction portion.
Specifically, the fixed end 11 is a flat metal sheet, a mounting hole 111 is formed in the fixed end 11, and the fixed end 11 is closely attached to the upper surface of the main driving airbag housing 10.
The free end 12 is also a flat metal sheet and protrudes upward, one end of the free end 12 is connected with the fixed end 11, and the other end can elastically deform to buffer the collision between the horn contact made of the rivet and the metal elastic sheet 1, so that the noise is reduced.
The free end 12 includes a contact portion 121, a cushion member 2 is provided below the contact portion 121, an upper surface of the cushion member 2 contacts a lower surface of the contact portion 121, and a lower surface of the cushion member 2 contacts a mounting surface (an upper surface of the main driving airbag case 10). The buffer member 2 can buffer the collision with the mounting surface, when the contact part 121 is contacted with the rivet, the contact part 121 deforms downwards, the buffer member 2 is compressed, and the buffer member 2 is compressed, so that the better effect of buffering the collision can be achieved.
In this embodiment, the buffer member 2 is made of a felt sheet, which is a vibration damping portion. The felt sheet has certain elasticity and vibration absorption performance, is easy to adhere glue and can be directly bonded with the lower surface of the contact part 121.
As shown in fig. 2, the gas generator 20 is mounted on the main driving airbag housing 10, and a horn bracket (not shown) is mounted above the gas generator 20. Wherein the rivet is arranged on the horn bracket, and the metal elastic sheet 1 is arranged on the main driving safety air bag shell 10.
The fixed end 11 is fixedly connected with the flange of the gas generator 20 and the main driving airbag housing 10 through bolts 3 and nuts 4.
The bolt 3 sequentially penetrates through the flange of the gas generator 20, the mounting hole 111 of the fixed end 11 and the main driving airbag shell 10 from top to bottom, and finally the metal elastic sheet 1 is connected between the gas generator 20 and the main driving airbag shell 10 by locking the nut 4.
Through implementing this embodiment, can realize the secondary buffering vibration damping, metal shrapnel 1 is used for buffering the collision between two loudspeaker contacts, and buffer sheet 2 is used for buffering the collision between metal shrapnel 1 and the installation face (being owner and driving air bag casing 10 upper surface).
Example two:
as shown in fig. 3, unlike the first embodiment: the lower part of the metal elastic sheet 1 is not provided with a buffer member, the free end 12 of the metal elastic sheet 1 comprises a contact part 121, a connecting part 122 and a pre-tightening attaching part 123, and the pre-tightening attaching part 123 in the second embodiment is a vibration damping part.
Wherein the contact portion 121 extends from the fixed end 11 and projects towards the other horn contact. The contact portion 121 is used to contact with another corresponding horn contact, and the contact portion 121 protrudes upward toward the other horn contact, so that a certain space for elastic deformation is provided below the contact portion 121. When the contact portion 121 is brought into contact with another horn contact, the contact portion 121 is elastically deformed downward for buffering the impact and reducing the generation of noise. When the contact portion 121 is separated from the other horn contact, it returns to the undeformed initial state.
The connection portion 122 is arranged obliquely from the fixed end 11 toward the contact portion 122. The connecting portion 122 is used to connect the fixed end 11 and the contact portion 121, so that the connecting portion 122 can protrude toward the other horn contact with respect to the fixed end 11.
The biasing portion 123 extends downward from the contact portion 121 on a side away from the fixed end 11. The bottom end of the pre-tightening attachment portion 123 can be in contact with the mounting surface, but is not fixed. When the contact portion 121 contacts another horn contact, the pre-tightening attaching portion 123 and the fixed end 11 become two supporting sides at two opposite sides of the contact portion 121, and the contact portion 121 still generates a certain elastic deformation to buffer the collision and reduce the noise. Since the preload attaching portion 123 is in contact with the mounting surface, the collision between the metal dome 1 and the mounting surface can be buffered.
By implementing the embodiment, a buffer is not needed, and secondary buffer vibration damping can be realized, the metal elastic sheet 1 is used for buffering the collision between two horn contacts, and the pre-tightening attaching part 12 is used for buffering the collision between the metal elastic sheet 1 and the mounting surface (namely the upper surface of the main driving airbag shell 10).
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (10)
1. The utility model provides a loudspeaker contact subassembly, includes the loudspeaker contact of two relative settings, its characterized in that, at least one the loudspeaker contact is made by metal shrapnel, metal shrapnel includes stiff end and free end, the stiff end is fixed on the installation face, the free end be used for with another loudspeaker contact can produce elastic deformation, metal shrapnel through damping portion reduce elastic deformation back with collision between the installation face.
2. The horn contact assembly of claim 1, wherein the free end includes a contact portion for contacting another of the horn contacts, the contact portion extending from the fixed end and projecting toward the other of the horn contacts.
3. The horn contact assembly of claim 2, wherein the free end further comprises a connecting portion connecting the fixed end and the contact portion, the connecting portion being arranged obliquely from the fixed end toward the contact portion.
4. The horn contact assembly of claim 2 wherein the free end further comprises a pre-load abutment portion extending downwardly from a side of the contact portion remote from the fixed end, the pre-load abutment portion being the damping portion.
5. The horn contact assembly of claim 2, wherein a buffer is provided below the contact portion, the buffer being the vibration attenuating portion.
6. The horn contact assembly of claim 5 wherein the buffer is made of a felt sheet, or a sponge sheet.
7. The horn contact assembly of any one of claims 1 to 6, wherein the fixed end has a mounting hole formed therein.
8. The horn contact assembly of any one of claims 1 to 6, wherein both of the horn contacts are made of a metal dome.
9. A steering wheel system comprising a main drive airbag housing, a gas generator mounted on the main drive airbag housing, and a horn support mounted above the gas generator, further comprising the horn contact assembly of any one of claims 1-8, wherein one of the horn contacts is mounted on the horn support and the other of the horn contacts is mounted on the main drive airbag housing.
10. The steering wheel system of claim 9, wherein the fixed end is fixedly connected to the flange of the gas generator and the main driving airbag housing by a bolt and nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922090885.XU CN211391435U (en) | 2019-11-28 | 2019-11-28 | Horn contact assembly and steering wheel system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922090885.XU CN211391435U (en) | 2019-11-28 | 2019-11-28 | Horn contact assembly and steering wheel system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211391435U true CN211391435U (en) | 2020-09-01 |
Family
ID=72227426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922090885.XU Active CN211391435U (en) | 2019-11-28 | 2019-11-28 | Horn contact assembly and steering wheel system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211391435U (en) |
-
2019
- 2019-11-28 CN CN201922090885.XU patent/CN211391435U/en active Active
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