A kind of loudspeaker device of steering wheel
Technical field
The present invention relates to automobile manufacturing field, relate in particular to a kind of loudspeaker device of steering wheel.
Background technology
The steering wheel loudspeaker device that entirety is pressed, is installed in steering wheel conventionally, uses ornamental steering wheelCover plate and steering wheel are fixed, and in the time pressing cover plate, thereby conducting loudspeaker loop makes car horn ring,While pressing pressure power cancellation, loudspeaker ring stops.
Referring to Fig. 1 and Fig. 2, the loudspeaker device of a kind of common steering wheel providing in figure, comprises loudspeakerUpper and lower support 11,12, is provided with three upper contacts 13, the lower carriage of loudspeaker on the upper bracket 11 of loudspeakerOn 12, be provided with three lower contacts 14, on each upper contact 13 on upper bracket 11 and lower carriage 12Each lower contact 14 is one-to-one relationship. Loudspeaker spring 15 and insulation sleeve in release conditions make,Lower carriage 11,12 remains released state in the situation that not being subject to external force, in pressing cover plate,Realize 13,14 conductings of upper and lower contact so that loudspeaker ring by compression loudspeaker spring 15. This structure is formerPut in order clear, reliable operation, but in order to ensure floating of loudspeaker, conventionally that steering wheel and cover plate is solid respectivelyOn the different parts, thereby cause size chain length and assembly quality is not good, and have structure and lifeProduct process complexity, the defect that cost is high.
Referring to Fig. 3 and Fig. 4, what in figure, provide is another kind of existing typical steering wheel loudspeaker structure, sameThereby be to make loudspeaker ring by 21,22 conductings of upper and lower contact, its upper contact 21 is integrated in directionOn the horn bracket 24 of disk cover plate 23, and lower contact 22 is integrated on the skeleton of steering wheel. This structure loudspeakerRelatively simple, but that its shortcoming is versatility is poor, when loudspeaker are pressed, upper and lower contact 21,22 metals clash into,There is the shortcoming that bruit de froissement is large.
Summary of the invention
Technical problem to be solved by this invention: provide for the deficiencies in the prior art a kind of cost low,Loudspeaker device simple in structure, to assemble the vehicle steering easy, versatility is high.
Technical problem solved by the invention can realize by the following technical solutions:
A loudspeaker device for steering wheel, comprises steering wheel body and is arranged on described steering wheel bodySome lower contacts, be arranged on the upper loudspeaker device assembly on described steering wheel body and be arranged on described onSteering wheel cover plate on loudspeaker device assembly, presses described steering wheel cover plate, by described steering wheel cover plateDrive described upper loudspeaker device assembly to move downward, make upper contact and institute in described upper loudspeaker device assemblyState lower contact contact, press loudspeaker aloud, described upper loudspeaker device assembly comprises a horn bracket and is configured in instituteState some Compress Springs and some upper contacts on horn bracket, also comprise a upper contact serial connection copper wire,Described some upper contacts are serially connected on described upper contact serial connection copper wire, and described upper contact serial connection copper wire floats and establishesPut on described horn bracket and each upper contact is all pressed in described loudspeaker by the Compress Spring corresponding with it and props upOn frame, each lower contact inserts in corresponding Compress Spring through described horn bracket.
In a preferred embodiment of the invention, described upper contact is directly at described upper contact serial connection copperFormation is flattened in silk appropriate location.
In a preferred embodiment of the invention, on described horn bracket, dispose some spacing claws,These spacing claws float described upper contact serial connection copper wire to be stuck on described horn bracket.
In a preferred embodiment of the invention, described spacing claw is configured in described compression bullet substantiallyNear spring.
In a preferred embodiment of the invention, corresponding to each Compress Spring, at described horn bracketOn dispose some Compress Springs installation position, in each Compress Spring installation position, dispose a Compress Spring fixedPosition cylinder, described Compress Spring is enclosed within on described Compress Spring positioning tube, in each Compress Spring positioning tubeBe provided with a through hole passing for described lower contact, described lower contact is through corresponding Compress Spring positioning tubeIn through hole and upper end expose the end face of described Compress Spring positioning tube.
In a preferred embodiment of the invention, the external diameter of described Compress Spring and described Compress Spring peaceMatched in clearance between the internal diameter of dress position, outside the internal diameter of described Compress Spring and described Compress Spring positioning tubeAlso matched in clearance between footpath; Be provided with some positioning boss at the root of described Compress Spring positioning tube, instituteState interference fit between the bottom of Compress Spring and described positioning boss.
In a preferred embodiment of the invention, the height of described Compress Spring installation position is higher than described pressureThe height of contracting positioning tube.
In a preferred embodiment of the invention, described horn bracket adopt tapping screw connecting mode,Rivet joint mode or the buckle mode of being connected are arranged on described steering wheel body.
In a preferred embodiment of the invention, described tapping screw connecting mode is: at described loudspeakerOn support, dispose some staged installing holes, corresponding to each staged installing hole at described horn bracketOn dispose the positioning convex column to downward-extension, described positioning convex column is coaxial with corresponding staged installing hole;Corresponding to each positioning convex column, on described steering wheel body, dispose some locating holes position and some self tappingsScrew hole, described some locating holes position and some tapping screws hole are one-to-one relationship and coaxially arrange;When installation, each positioning hole collumn on described horn bracket is pressed into determining of corresponding described steering wheel bodyPosition Kong Weizhong location, then pass the staged installing hole on described horn bracket by described tapping screwScrew in the tapping screw hole of described steering wheel body.
In a preferred embodiment of the invention, between described steering wheel cover plate and described horn bracket, adoptConnect by buckle mode.
In a preferred embodiment of the invention, described buckle mode connects and is: at described horn bracketOn dispose some oval-shaped steering wheel cover plate staged eye-splices hole, described staged eye-splice hole on being isIt under little elliptical aperture, is large elliptical aperture; Corresponding to each staged eye-splice hole, on described steering wheel cover plate, joinBe equipped with some eye-splice card columns to downward-extension and radial section ovalisation, the bottom of each eye-splice card column is shortDirection of principal axis one side disposes outward extending button platform, is provided with described in confession in the bottom of each eye-splice card columnThe distortion groove of the bottom strain of eye-splice card column.
In a preferred embodiment of the invention, corresponding to each upper contact, at described steering wheel cover plateOn dispose some upper contacts to downward-extension compressing posts, the bottom of described upper contact compressing post and described onZero clearance contact or Interference contact between contact, by described upper contact and the compressing of upper contact serial connection copper wireDescribed Compress Spring, forces described Compress Spring in compressive state.
In a preferred embodiment of the invention, described steering wheel body comprises what a metal material was madeFrame of handwheel, some lower contacts are connected with described frame of handwheel.
Owing to having adopted technical scheme as above, beneficial effect of the present invention is as follows:
1, by upper loudspeaker device assembly coupling direction disk cover plate and steering wheel body, make Stability Analysis of Structures,For convenience detach;
2, upper contact serial connection copper wire is a complete copper wire, and copper wire resistance is low, manufacturing process is simple, formerStock utilization is high, and upper contact is to flatten formation in upper contact serial connection copper wire appropriate location, makes,Lower contact relative position relation is more accurate, and contact area is large, and electric conductivity is stronger, and complete copper wireThere is good elasticity, can avoid the collision of loudspeaker the superior and the subordinate time, produce the problem of sound;
3, the sheathed Compress Spring of Compress Spring positioning tube of Compress Spring installation position configuration and Compress Spring locationThe positioning boss of the root setting of cylinder is fixed Compress Spring, makes spring work more stable;
4, horn bracket adopts tapping screw connecting mode, rivet joint mode or the buckle mode of being connected to installOn steering wheel body, Stability Analysis of Structures, connects compact;
5, between steering wheel cover plate and horn bracket, adopt buckle mode to connect, Stability Analysis of Structures, for convenience detach,Can, by after disassembly direction disk cover plate, horn bracket be overhauled.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to realityThe accompanying drawing of executing required use in example or description of the Prior Art is briefly described, apparently, belowAccompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,Do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the loudspeaker device of existing a kind of steering wheel.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the structural representation of the loudspeaker device of existing another kind of steering wheel.
Fig. 4 is the A-A cutaway view of Fig. 3.
Fig. 5 is that upper loudspeaker device assembly of the present invention is arranged on the structural representation on steering wheel body.
Fig. 6 is the structural representation that upper loudspeaker device assembly of the present invention coordinates with steering wheel cover plate.
Fig. 7 is the structural representation of the lower contact on steering wheel body of the present invention.
Fig. 8 is the exploded perspective view of upper loudspeaker device assembly of the present invention.
Fig. 9 is the structural representation of horn bracket of the present invention.
Figure 10 is the enlarged drawing at the A place of Fig. 9.
Figure 11 is the structural representation of the Compress Spring installation position of horn bracket of the present invention.
Figure 12 is the structural representation of lower contact of the present invention through the through hole of Compress Spring positioning tube.
Figure 13 is the structural representation of upper contact serial connection copper wire of the present invention.
Figure 14 is the structural representation after the each parts assembling of upper loudspeaker device assembly of the present invention.
Figure 15 is the enlarged drawing at the B place of Figure 14.
Figure 16 is the structural representation before horn bracket of the present invention connects with steering wheel body by tapping screwFigure.
Figure 17 be the socket of steering wheel cover plate of the present invention block with horn bracket on staged eye-splice hole joinSchematic diagram while closing.
Figure 18 is showing of coordinating between the bottom of upper contact compressing post of direction cover plate of the present invention and upper contactIntention.
Schematic diagram when Figure 19 is steering wheel cover plate dismounting of the present invention.
Detailed description of the invention
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understandSeparate, below in conjunction with concrete diagram, further set forth the present invention.
Referring to Fig. 5 to Fig. 7, the loudspeaker device of a kind of steering wheel providing in figure, comprises steering wheel body1000 and be arranged on four lower contacts 1100 on steering wheel body 1000, be arranged on steering wheel body 1000On upper loudspeaker device assembly 2000 and be arranged on the steering wheel cover plate on loudspeaker device assembly 20003000. Steering wheel body 1000 comprises the frame of handwheel that a metal material is made, four lower contacts 1100Be connected with frame of handwheel.
Referring to Fig. 8, upper loudspeaker device assembly 2000 comprises a horn bracket 2100, is configured in horn bracketFour Compress Springs 2200 on 2100 and upper contact serial connection copper wire 2300. On horn bracket 2100Dispose four Compress Spring installation positions 2110, referring to Fig. 9 to Figure 12, each Compress Spring installation position 2110Inside dispose a Compress Spring positioning tube 2111, and the height of Compress Spring installation position 2110 is higher than compression bulletThe height of spring positioning tube 2111. Compress Spring 2200 is enclosed within on Compress Spring positioning tube 2111, compression bulletMatched in clearance between the internal diameter of the external diameter of spring 2200 and Compress Spring installation position 2110, Compress Spring 2200Internal diameter and the external diameter of Compress Spring positioning tube 2111 between also matched in clearance, in order to make Compress Spring2200 work are more stable, are surrounded with three positioning boss at the root of Compress Spring positioning tube 21112112, Compress Spring 2200 is enclosed within after Compress Spring positioning tube 2111, the bottom of Compress Spring 2200 withInterference fit between positioning boss 2112. In each Compress Spring positioning tube 2111, be provided with under a confessionThe through hole 2113 that contact 1100 is passed, each lower contact 1100 is through corresponding Compress Spring positioning tube 2111In through hole 2113, and the end face of Compress Spring positioning tube 2111 is exposed in the upper end of lower contact 1100.
Referring to Figure 13, upper contact serial connection copper wire 2300 is a complete copper wire, and complete copper wire hasGood elasticity, produces the problem of sound can avoid the collision of loudspeaker the superior and the subordinate time. Upper contact serial connection copper wire 2300On there are four upper contacts 2310, upper contact serial connection copper wire 2300 is serially connected in four upper contacts 2310Together, and each upper contact 2310 is to flatten formation by upper contact being connected in series to copper wire 2300 appropriate locations,Make so upper and lower contact relative position relation more accurate, contact area is large, and electric conductivity is stronger. GinsengSee Fig. 9, Figure 14 and Figure 15, upper contact serial connection copper wire 2300 floats and is arranged on horn bracket 2100,And each upper contact 2310 is all pressed into Compress Spring installation position 2110 by the Compress Spring corresponding with it 2200In the Compress Spring positioning tube 2111 of interior configuration. On horn bracket 2100, dispose six spacing claws2120, these spacing claws 2120 are connected in series copper wire 2300 by upper contact and float and be stuck on horn bracket 2100,And these spacing claws 2120 are configured near of Compress Spring 2200 substantially.
Horn bracket 2100 adopts tapping screw connecting mode, rivet joint mode or the buckle mode of being connected to pacifyBe contained on steering wheel body 1000, these connecting modes all can make horn bracket 2100 and steering wheel originallyCompact connection and Stability Analysis of Structures between body 1000. The present embodiment adopts tapping screw connecting mode to connect,Other two kinds of connecting modes are similar to tapping screw connecting mode, no longer repeat.
Referring to Fig. 5, Fig. 9 and Figure 16, this tapping screw connecting mode is: on horn bracket 2100, joinBe equipped with four staged installing holes 2130, corresponding to each staged installing hole 2130, at horn bracketOn 2100, dispose the positioning convex column 2131 to downward-extension, on steering wheel body 1000, dispose fourLocating hole position 1200 and four locating hole positions 1200,1300, four, tapping screw hole and four tapping screwsHole 1300 is one-to-one relationship and coaxially arranges. When installation, every certain by horn bracket 2100Position hole post 2131 is pressed in the locating hole position 1200 of corresponding steering wheel body 1000 and location, then willTapping screw 1400 is through the staged installing hole 2130 screw-in direction dish bodies on horn bracket 2100In 1000 tapping screw hole 1300.
Between steering wheel cover plate 3000 and horn bracket 2100, adopt buckle mode to connect. Referring to Fig. 6, figure9, Figure 17 and Figure 18, this buckle mode connects and is: on horn bracket 2100, dispose four ellipsesSteering wheel cover plate staged eye-splice hole 2140, staged eye-splice hole 2140 be upper under little elliptical aperture for largeElliptical aperture. Corresponding to each staged eye-splice hole 2140, on steering wheel cover plate 3000, dispose four toThe eye-splice card column 3100 of downward-extension and radial section ovalisation, the bottom minor axis of each eye-splice card column 3100Direction one side disposes outward extending button platform 3110, in the bottom of each eye-splice card column 3100, is provided withSupply the distortion groove 3120 of the bottom strain of eye-splice card column 3110. When needs disassembly direction disk cover plate 3000Time, the tensile force f imposing upwards upwards pulls out steering wheel cover plate 3000, now, and socket card column 3110Button platform 3110 while running into staged plug aperture 2140, distortion groove 3120 provides certain space for socketThere is elastic deformation in the bottom of card column 3110, makes steering wheel cover plate 3000 for convenience detach, as Figure 19 instituteShow, and horn bracket 2100 still remains on steering wheel body 1000, is not easy to damage structural member,Conveniently upper loudspeaker device assembly 2000 is overhauled.
Corresponding to each upper contact 2310, on steering wheel cover plate 3000, dispose four upper to downward-extensionContact compressing post 3200, between the bottom of upper contact compressing post 3200 and upper contact 2310, zero clearance contactsOr Interference contact, oppress Compress Spring 2200 by upper contact 2310 and upper contact serial connection copper wire 2300,Force Compress Spring 2200 in compressive state, therefore, overcome the limiting card because of horn bracket 2100The long-term stress deformation of pawl 2120, thus the problem of Compress Spring 2200 deflection clamping stagnations caused, make assemblingAfter product structure stable, Compress Spring 2200 is difficult for deflection.
After each assembling parts of the loudspeaker device of steering wheel completes, press steering wheel cover plate 3000, by sideDrive the upper contact 2310 and steering wheel body 1000 in upper loudspeaker device assembly 2000 to disk cover plate 3000On lower contact 1100 contact, thereby press loudspeaker aloud.
More than show and described general principle of the present invention and principal character and advantage of the present invention. One's own professionThe technical staff of industry should understand, and the present invention is not restricted to the described embodiments, above-described embodiment and explanationThat in book, describes just illustrates principle of the present invention, without departing from the spirit and scope of the present invention,The present invention also has various changes and modifications, and these changes and improvements all fall into claimed model of the present inventionIn enclosing. The claimed scope of the present invention is defined by appending claims and equivalent thereof.