CN100516448C - Car door structure and sound insulation panel - Google Patents

Abstract

A car door structure comprises a door inner panel 11, an interior door trim 12 and a noise insulation sheet 20. The interior door trim 12 is installed in the interior side of the door inner panel 11. The noise insulation sheet 20 is provided between the door inner panel 11 and the door trim 12, where it is hung down from the upper side to the lower side of the door inner panel like a curtain. The noise insulation sheet 20 is fixed to either the door inner panel 11 or the door trim 12. The noise insulation sheet 20 is provided at about an upper half or a lower half of the door inner panel 11, or it is provided at a central part of the door inner panel 11 while dividing approximately into three sections in a vertical direction or a horizontal direction.

Description

Bus door structure and sound insulating panel

Background technology

Field that the present invention belongs to

The present invention relates to a kind of bus door structure, it comprises and protects a metal plate and a door lining in the car door, and this automobile door structure is provided with a sound insulating panel.

Prior art

Usually, as shown in Figure 27, one is installed in its back side of car door inner liner of protecting the metal plate inboard in the car door is provided with hard felt pan 2 or polyurethane, or protecting metal plate in the car door is provided with polyurethane foam and provides enough soundproof effects with the inside to sedan door 100.

For example, Japanese No.5-23376 number open practical new case communique discloses a kind of door trim for vehicle that has stuffing box packing, and this stuffing box packing is to be made of materials such as polyurethane foams.In addition, Japanese No.10-119159 publication communique discloses a kind of sound insulation covering that is formed by polyurethane foamed material.

[goal of the invention]

Yet, soundproof effect of the prior art is defective, because hard felt pan 2, polyurethane, stuffing box packing and sound insulation covering all with in the car door protect metal plate or door lining is separated, and they only are installed on the sub-fraction zone of protecting metal plate inside in door lining 1 or the car door.

In addition, install also at it and to have difficulties, because it must be installed in and protect one of metal plate or door lining in the car door and determine on the zone.

Therefore purpose of the present invention just provides a kind of automobile door structure, and it has sufficient soundproof effect and is easy to installs.

Summary of the invention

According to a first aspect of the invention, its automobile door structure is formed by protecting metal plate (11), inboard door lining (12) and a sound insulating panel (20) in the car door.Inboard door lining (12) is installed in the inboard of protecting metal plate (11) in the car door.Sound insulating panel (20) is positioned at and protects between metal plate (11) and the inboard door lining (12), resembles a door curtain (the Japanese door curtain of a kind of the crying " noren " of the saying so more specifically) bottom of dangling from the top of protecting metal plate in the car door.Sound insulating panel (20) is fixed on an inner panel (11) or the door lining (12).

According to a second aspect of the invention, automobile door structure is formed by protecting metal plate (11), inboard door lining (12) and a sound insulating panel (20) in one.Inboard door lining (12) is installed in the inboard of protecting metal plate (11) in the car door.Sound insulating panel (20) is positioned at and protects between metal plate (11) and the inboard door lining (12), resembles the door curtain bottom of dangling from the top of car door.Sound insulating panel (20) is fixed on an inner panel (11) or the door lining (12).

According to a third aspect of the present invention, automobile door structure is formed by protecting metal plate (11), inboard door lining (12) and a sound insulating panel (20) in one.Inboard door lining (20) is installed in the inboard of protecting metal plate (11) in the car door.Sound insulating panel (20) is positioned at and protects between metal plate (11) and the inboard door lining (12), resembles the door curtain bottom of dangling from the top of car door.Sound insulating panel (20) is fixed on and protects in the car door on metal plate (11) or the door lining (12).

According to a fourth aspect of the present invention, automobile door structure is according to the invention in 1,2 or 3, and here sound insulating panel (20) is positioned at the first half or the Lower Half of protecting metal plate (11).According to a fifth aspect of the present invention, automobile door structure also is according to described in 1,2 or 3, and here sound insulating panel (20) is positioned at the core that protects metal plate (11).To protect metal plate (11) approximate when being divided into three parts on horizontal or vertical direction when interior, and core protects the mid portion of metal plate (11) in being exactly.

According to a sixth aspect of the invention, automobile door structure is made up of interior metal plate (11), inboard door lining (12), sound insulating panel (20), inner seal bar (15) and the automobile door glass (102) of protecting.Inboard door lining (12) is installed in the inboard of protecting metal plate (11) in the car door.Inner seal bar (15) contains the Elastic Contact of sealing lip (17,18) formation and automobile door glass.Inner seal bar (15) is fixed on and protects in the car door on metal plate (11) or the door lining (12).Sound insulating panel (20) is positioned at and protects between metal plate (11) and the inboard door lining (12), resembles the door curtain bottom of dangling from the top of car door.Sound insulating panel (20) is fixed on the superposed inner seal bar.

According to a seventh aspect of the present invention, automobile door structure is made up of interior metal plate (11), inboard door lining (12), sound insulating panel (20) and the automobile door glass (102) of protecting.Inboard door lining (12) also is that the top of protecting metal plate (11) in car door is installed in the inboard of protecting metal plate (11) in the car door.The inner seal bar contains sealing lip (17,18) and is used to form Elastic Contact with automobile door glass.Weather strip is installed in the top of door lining (12).Sound insulating panel (20) is positioned at and protects between metal plate (11) and the inboard door lining (12), resembles a door curtain and has covered at least and protect the metal plate top edge in the car door.

According to an eighth aspect of the present invention, the invention of automobile door structure is a foundation with the 7th aspect of the present invention, and wherein the upper end of sound insulating panel (20) is fixed on the inner seal bar (15).According to a ninth aspect of the present invention, the invention of automobile door structure is a foundation with the 7th aspect of the present invention also, and wherein the upper end of sound insulating panel (20) is fixed in door lining (12) or the car door and protects on the metal plate (11).

According to a tenth aspect of the present invention, the invention of automobile door structure is a foundation with the 7th aspect of the present invention also, and wherein door lining (12) comprises a groove component (13) that is positioned at the top.This groove component (13) links to each other with the adhesion base (16) of inner seal bar (15).The cross section of groove component (13) is a spill.The bottom of groove component (13) has shank (14) and can extend downwards.Each shank (14) is in the part (19) of supported underneath inner seal bar (15).Sound insulating panel (20) be fixed on shank (14) and and some position of the corresponding inner seal bar of shank (14) (15) between.

According to an eleventh aspect of the present invention, the invention of automobile door structure is a foundation with the 7th aspect of the present invention also, and wherein door lining (12) comprises a groove component (13) that is positioned at the top.Cross section is that the groove component (13) of spill links to each other with the adhesion base (16) of inner seal bar (15).The shank (14) that the bottom of groove component (13) has certain intervals can extend downwards.Each shank (14) links to each other with the part (19) of inner seal bar (15).The top of sound insulating panel (30) is fixed on the place (19) that does not have shank (14) to link to each other on the inner seal bar (15) and expose.The upper end that shank part (14) is installed in sound insulating panel (30) does not have fixing place to work as sound insulating panel (30) has been lowered.

According to a twelfth aspect of the present invention, automobile door structure is made up of interior metal plate (11), inboard door lining (12), sound insulating panel (20) and the inner seal bar (15) of protecting.Door lining (12) is installed in the inboard of protecting metal plate (11) in the car door.Sound insulating panel (20) is positioned at and protects between metal plate (11) and the inboard door lining (12), resembles the door curtain bottom of dangling from the top of protecting metal plate in the car door.Sound insulating panel (20) upper base is fixed on and protects metal plate (11) in the car door, on the door lining (12) or on the inner seal bar (15).The both sides of door lining are or/and pin (39) is equipped with in the below.Pin protects metal plate in car door outstanding.Protect metal plate (11) pin (39) location sound insulating panel in the car door and make it not to stretch out by passing or promote sound insulating panel (20) from the edge of door lining (12).

According to the 13 aspect of the present invention, automobile door structure is made up of interior metal plate (11), inboard door lining (12), sound insulating panel (20) and the inner seal bar (15) of protecting.Door lining (12) is installed in the inboard of protecting metal plate (11) in the car door.Door lining (12) is installed in the inboard of protecting metal plate (11) in the car door.Sound insulating panel (20) is positioned at car door to be protected between metal plate (11) and the inboard door lining (12), resembles the door curtain bottom of dangling from the top of protecting metal plate (11) in the car door.Sound insulating panel (20) upper base be fixed on protect in the car door that metal plate (11), door lining (12) are gone up or inner seal bar (15) on.Weather strip (15) is fixed on and protects in the car door on metal plate (11) or the door lining (12).The both sides of sound insulating panel (20) and/or go to the bottom and have clip (40).Clip (40) is fixed on the edge that makes it on the door lining (12) not from door lining (12) with sound insulating panel (20) and stretches out.

According to the 14 aspect of the present invention, it is based on the automobile door structure of the 13 aspect of the present invention, it is characterized by clip (40) and also sound insulating panel (20) can be fixed on and protect in the car door on the metal plate (11).

According to the 15 aspect of the present invention, the invention of automobile door structure is also based on the 14 aspect of the present invention, and wherein each clip (40) is by a neck (41), a head (42), and a main element (43) and a shank (44) are formed.What head (42) was outstanding is formed on the neck (41), and outstanding being formed under the neck (41) of main element (43).Shank (44) is positioned under the main element (43).By head (42) is inserted in the hole of sound insulating panel (20), each clip (40) is fixed on the sound insulating panel (20).Sound insulating panel (20) is fixed on the door lining (12) by neck (41) is linked to each other with a annex on the door lining (12).Shank (44) is inserted in the hole of protecting in the car door on the metal plate (11), and sound insulating panel (20) is fixed on and protects in the car door on the metal plate (11).

According to the 16 aspect of the present invention, automobile door structure is made up of interior metal plate (11), inboard door lining (12), sound insulating panel (20) and the inner seal bar (15) of protecting.Door lining (12) is installed in the inboard of protecting metal plate (11) in the car door.Door lining (12) is installed in the inboard of protecting metal plate (11) in the car door.Sound insulating panel (20) is positioned at car door to be protected between metal plate (11) and the inboard door lining (12), resembles the door curtain bottom of dangling from the top of protecting metal plate (11) in the car door.Sound insulating panel (20) upper base is fixed on and protects metal plate (11) in the car door, on the door lining (12) or on the inner seal bar (15).Weather strip (15) is fixed on and protects in the car door on metal plate (11) or the door lining (12).Door lining (12) is included in the re-entrant part (50,51,52) continuous or spaced apart all around that protects metal plate (11) in the car door.The cross section that each re-entrant part (50,51,52) has a spill.Therefore be pressed in the re-entrant part (50,51,52) of door lining (12) at edge member place sound insulating panel (20), its location makes edge member can not stretch out from door lining (12).

According to the 17 aspect of the present invention, the invention of automobile door structure is based on the 16 aspect of the present invention, wherein re-entrant part (50) and door lining (12) global formation.

According to the 18 aspect of the present invention, automobile door structure is made up of the interior metal plate (11), inboard door lining (95), sound insulating panel (20), inner seal bar (90) of protecting.Inboard door lining (95) is installed in the inboard of protecting metal plate (11) in the car door.Weather strip contains sealing lip (57,58) and forms with the Elastic Contact of automobile door glass and be fixed on and protect in the car door on the metal plate (11).Sound insulating panel (20) is positioned at and protects between metal plate (11) and the door lining (95), resembles the door curtain bottom of dangling from the top of protecting metal plate (11) in the car door.The top of sound insulating panel (20) is fixed by inner seal bar (90).Inner seal bar (90) is installed in and protects metal plate (11) upper base (11c) in the car door.

According to nineteen of the present invention aspect, be that based on the difference of the automobile door structure of the 18 aspect of the present invention the inboard of inner seal bar (90) has an attachment device.The upper base of sound insulating panel (20) can insert this attachment device is connected the two.

According to the 20 aspect of the present invention, the invention of automobile door structure is also based on nineteen of the present invention aspect, and wherein attachment device is to be made up of groove component (70) and some prodgers (73,74).The cross section that each groove component (70) has a spill.Prodger (73,74) is stretched out towards the base (72) of groove component from the sidewall (67,71) of groove component.

According to the 21 aspect of the present invention, with of the present invention the 18,19 or the 20 aspect be that for the difference of the automobile door structure on basis door lining (95) has pressing piece (80) at its periphery.It is outstanding that pressing piece (80) protects metal plate (11) in the car door, and pressing piece when being mounted (80) has been pressed onto sound insulating panel (20) and has protected metal plate (11) in the car door and locate.

According to the 22 aspect of the present invention, sound insulating panel (20) is arranged in automobile door structure (100).Automobile door structure (100) is made up of interior metal plate (11), inboard door lining (12) and the inner seal bar (15) of protecting.Door lining (12) is installed in the inboard of protecting metal plate (11) in the car door.Go to the bottom (12b) of door lining (12) is positioned at the top that car door protects go to the bottom (11b) of metal plate (11).Sound insulating panel (20) is positioned at car door to be protected between metal plate (11) and the inboard door lining (12).The upper base of sound insulating panel (20) is fixed on and protects metal plate (11) in the car door, and on door lining (12) or the inner seal bar (15), inner seal bar (15) then is fixed on and protects in the car door on metal plate (11) or the door lining (12).Sound insulating panel (20) resembles the door curtain bottom of dangling from the top of protecting metal plate (11) in the car door, and fixedly is to protect in the car door inboard of metal plate (11).Stretch out from the base of inboard door lining (12) bottom of sound insulating panel (20).

Respective element or associated components in the ensuing embodiment of the invention accompanying drawing of numeral in the bracket.

According to first, second, third, the 6th and the 7th aspect of the present invention, when sound insulating panel dangles when protecting between metal plate and the door lining in car door, a new space is protected in car door between metal plate and the door lining and has been formed.Because the appearance in this new space, with the hard felt pan that uses in the prior art, polyurethane, stuffing box packing, sound insulation lid etc. is compared, and soundproof effect has been enhanced.

Further, owing to only be to resemble a curtain to dangle to from upper base and go to the bottom, sound insulating panel is easy to be mounted.That is to say, resemble described in the first aspect of invention that the installation of sound insulating panel can be only protected on metal plate or the door lining in the car door and finished by fixing its any part.Particularly, described in a second aspect of the present invention, the installation of sound insulating panel fixedly upper base is protected on metal plate or the door lining in the car door and is finished, or as described in a third aspect of the present invention, fixedly limit, the left and right sides is protected on metal plate or the door lining in the car door and is finished, or as described in the 6th aspect of the present invention, further fixedly finish to being fixed on the weather strip that protects in the car door on metal plate or the door lining on top.

And according to a seventh aspect of the present invention, sound insulating panel has covered the first half that protects metal plate in the car door at least, makes some leak the noise come and also can be alleviated by protecting the metal plate first half in the car door.

Furtherly, have only the top of sound insulating panel need be fixed on the inner seal bar, just as the invention the 8th aspect described in, perhaps be fixed on and protect the installation that is used for whole sound insulating panel on the metal plate in door lining or the car door, just as the invention the 9th aspect described in.Particularly, according to an eighth aspect of the present invention, the weather strip that fitting operation only needs will be installed in advance on the sound insulating panel is connected on the door lining, and therefore operation is very simple.

Although in order to reach enough soundproof effect, reasonable be sound insulating panel length should with car door in to protect the height (width in vertical direction) of metal plate close, the length of sound insulating panel also can have only 1/2 or 1/3 (or even 2/3) of protecting metal plate in the car door.Therefore, just as the invention the 4th aspect described in, sound insulating panel can be installed in the first half or the Lower Half of protecting metal plate in the car door.And, just as the invention the 4th aspect described in, when protecting metal plate in the car door when horizontal or vertical direction is divided into three parts, sound insulating panel can be installed in the mid portion that protects metal plate in the car door.

By such arrangement, the material cost of sound insulating panel can be lowered, and becomes dimensionally more hour when sound insulating panel, and fitting operation can be easier.

According to a tenth aspect of the present invention, because its upper end is fixed between shank and the door lining, sound insulating panel can be fixed firmly, and shank some part of inner seal bar and the part of door lining from supported underneath.

According to an eleventh aspect of the present invention, when top edge was lowered shank parts place and does not have sound insulating panel, sound insulating panel can be saved on materials.In addition, owing between the support component of shank parts and inner seal bar, sound insulating panel is not set, so this support component has strengthened the bonding characteristic of shank parts.

According to a twelfth aspect of the present invention, because sound insulating panel resembles a door curtain and dangles and protect in car door between metal plate and the door lining, so sound insulating panel does not stretch out from the edge of door lining, and the appearance effect of soundproof effect and car door all do not have to reduce, and the both sides of sound insulating panel and bottom are fixing fully by pin or clip.

Particularly, according to the 13,14 and 15 aspect of the present invention, because the both sides of sound insulating panel and bottom have clip, so the marginal portion of sound insulating panel is guaranteed not stretch out from door lining fully.

According to the of the present invention the 16 and the 17 aspect, the appearance effect of automobile door structure does not have to reduce because it resembles a door curtain dangles that to be pressed into cross section be that the groove component of spill and being fixed makes it not to stretch out from the edge of door lining for the marginal portion of protecting the sound insulating panel between metal plate and the door lining in car door.

Furtherly, if sound insulating panel stretches out from the edge of door lining, the reduction of soundproof effect also can be prevented from.

According to of the present invention the 18,19,20 and the 21 aspect, make two block spaces in car door, protect between metal plate and the door lining to have formed because in car door, protect the installation of sound insulating panel between metal plate and the door lining, so soundproof effect can improve.And, there is no need transition zone and the door lining of the inner seal bar that is fixed on the door lining to the workshop is installed, because car door inner seal bar is to be fixed on to protect in the car door on metal plate rather than the door lining.

That is to say, independent inner seal bar or can be transported to the inner seal bar of sound insulating panel the workshop is installed, protect metal plate and separate simultaneously with in door lining or the car door, so those parts can be transported to littler size the workshop is installed, it is easier that transport operation becomes.

Furtherly, one side because operator's hand can be from any car door parts that reach of car door, it is easier that the move operation of parts becomes in fitting operation.And because fitting operation can be finished the inspection of parts by operator's eyes, fitting operation can be followed the trail of at any time.

And, because can being inserted into by the upper base with sound insulating panel in the inner seal bar, finishes sound insulating panel, fitting operation can carry out easily.And when fitting operation was finished, because the upper base that sound insulating panel is pasted and supported to some prodgers of attachment device tightly from the outside and the inside of car, sound insulating panel can be fixed on the inner seal bar firmly.

In addition and since on the door lining within it side be provided with pressing piece, so sound insulating panel is prevented from from its position moving, and the outward appearance of automobile door structure can suitably be protected, this pressing piece is depressed into it in car door when sound insulating panel is mounted and protects on the metal plate.

According to a twenty-second aspect of the invention, the noise leakage that is formed on the place, slit that protects the bottom of door between the metal plate in door lining bottom and the car door has reduced, and because it is protruding from the door lining bottom margin to protect the bottom of the sound insulating panel that is folded down as door curtain between metal plate and the door lining in car door, its soundproof effect has further strengthened, and the sound insulating panel protuberance is fixed to the inboard of protecting metal plate in the car door.

In addition and since this sound insulating panel be set at the bottom of automobile door structure from the outwardly directed protuberance in its lower end, but not be to use an individual components that is separated with sound insulating panel, thus the time of fitting operation needs still less and the outward appearance of automobile door structure better.

Description of drawings

Accompanying drawing 1 is the phantom drawing according to the automobile door structure in the first aspect present invention;

Accompanying drawing 2 is the amplification views along A-A line in the accompanying drawing 1;

Accompanying drawing 3 is the amplification views along A-A line in the accompanying drawing 1 of another embodiment in the first aspect present invention;

Accompanying drawing 4 is the amplification views along A-A line in the accompanying drawing 1 of another embodiment in the first aspect present invention;

Accompanying drawing 5 is amplification views along A-A line in the accompanying drawing 1 of an embodiment again in the first aspect present invention;

Accompanying drawing 6 is the phantom drawings that show another embodiment in the first aspect present invention;

Accompanying drawing 7 is the phantom drawings that show another embodiment in the first aspect present invention;

Accompanying drawing 8 is the phantom drawings that show the critical piece of second aspect present invention;

Accompanying drawing 9 is the overall perspectives after the automobile door structure shown in the accompanying drawing 8 is installed;

Accompanying drawing 10 is the phantom drawings according to the critical piece of the automobile door structure of third aspect present invention;

Accompanying drawing 11 is elevations of additional sound insulating panel;

Accompanying drawing 12 is the decomposition diagrams according to the automobile door structure of fourth aspect present invention;

Accompanying drawing 13 is the sectional views according to critical piece in the automobile door structure of fourth aspect present invention;

Accompanying drawing 14 is schematic exploded perspective view that the present invention is used for the automobile door structure of the 5th mode of operation;

Accompanying drawing 15 is the sectional views according to critical piece in the automobile door structure of fifth aspect present invention;

Accompanying drawing 16 is the phantom drawings that show clip extention in the accompanying drawing 15;

Accompanying drawing 17 is the overall perspectives according to the automobile door structure of sixth aspect present invention;

Accompanying drawing 18 is the amplification views along F-F line in the accompanying drawing 17, and it has shown according to the critical piece in the automobile door structure of sixth aspect present invention;

Accompanying drawing 19 is to have shown that sound insulating panel is pressed into shown in the accompanying drawing 18 sectional view of state in the groove;

Accompanying drawing 20 is the sectional views that shown according to the critical piece of another automobile door structure of sixth aspect present invention;

Accompanying drawing 21 is the sectional views that shown according to the critical piece of the another automobile door structure of sixth aspect present invention;

Accompanying drawing 22 is to have shown the decomposition diagram that the automobile door structure of sound insulating panel in the seventh aspect present invention is installed;

Accompanying drawing 23 is the enlarged side views of critical piece that shown the sound insulating panel of seventh aspect present invention;

Accompanying drawing 24 is to have shown the overall perspective of automobile door structure in the eighth aspect present invention;

Accompanying drawing 25 is the amplification views along G-G line in the accompanying drawing 24, the amplification view of automobile door structure in the eight aspect during it has shown according to the present invention;

Accompanying drawing 26 is the amplification views along H-H line in the accompanying drawing 24, and it has shown the automobile door structure shown in the accompanying drawing 25;

Accompanying drawing 27 is to have shown the phantom drawing of automobile door structure in the prior art.

Optimum embodiment

(first embodiment of the invention)

Hereinafter the automobile door structure in the 1 and 2 pair of first embodiment of the invention is described with reference to the accompanying drawings.Accompanying drawing 1 is the phantom drawing according to the automobile door structure in the first embodiment of the invention.Accompanying drawing 2 is the amplification views along A-A line in the accompanying drawing 1.

This automobile door structure comprises in the car door that constitutes car door 100 parts and protects metal plate 11 that it is positioned at the inboard of coachbuilt body stringcourse.One car door inner liner 12 is installed in the inboard, top of protecting metal plate 11 in the car door.One weather strip 15 is installed in the top of door lining 12, and itself and automobile door glass 10 form Elastic Contact.

Inner seal bar 15 comprises an adhesion base 16, pair of seal lips 17,18 and a support portion 19.Sealing lip 17 is positioned on the sealing lip 18, and sealing lip 17,18 and automobile door glass 102 are from the inboard Elastic Contact that forms of car.Automobile door glass 102 slides along direction up and down.This support portion 19 is extended in a downward direction from adhesion base 16 and is being supported sealing lip 17,18 simultaneously.This support portion 19 forms one with adhesion base 16, and it forms rectangular shaped with adhesion base 16 on the cross section.This adhesion base 16 surface thereon is provided with many lip 16a and locator protrusions 16b (they also can be set at its soffit).In this embodiment, inner seal bar 15 is not provided with plug-in part, but it can be provided with plug-in part.In addition, in this embodiment, pair of seal lips 17,18 has formed the upside and the downside of inner seal bar 15, but an independent sealing lip also can only be set or many sealing lips of not limitting quantity are set.

Be provided with a trench portions 13 on the top of door lining 12, the adhesion base 16 of inner seal bar 15 is inserted tightly there.In addition, a step 13a is molded over the open top of groove 13 towards the outside of width.When this inner seal bar 15 was connected door lining 12, the locator protrusions 16b of this inner seal bar 15 contacted with step 13a and combination.

Protect in car door between metal plate 11 and the door lining 12, a sound insulating panel 20 hangs down to downside from upside as door curtain, and the upper end of sound insulating panel 20 is fixed on the support portion 19 of inner seal bar 15 simultaneously.This sound insulating panel 20 covered at least protect metal plate 11 in the car door the upper end to prevent noise leakage from its upper end.

As shown in Figure 2, sound insulating panel 20 is set, can in a separate space, have produced two clearance spaces 90,95, so the soundproof effect of car door is improved by in car door, protecting between metal plate 11 and the door lining 12.

Practical test result obviously shows, compares with the prior art of using hard felt pan, polyurethane, stuffing box packing or sound insulation covering, and the automobile door structure in this embodiment of the invention can completely cut off the noises of 2dB more in the scope of 100-1000Hz.

Though the quality of the material of sound insulating panel 20 is not subjected to strict restriction, use preferably that to have be the textile material of sound characteristic.In commercial product, for example, " THINSULATE " (trade mark) of Sumitomo 3M company just can be used as the material of this sound insulating panel.In addition, it is a thin sheet form, and a thin plate made from rubber or nylon can be used as this sound insulating panel.

As indicated above, because this sound insulating panel 20 only is mounted by hanging down to downside from upside as door curtain, so it is very easy that this sound insulating panel is installed.Particularly, when this sound insulating panel 20 is fixed on the support portion 19 of inner seal bar 15 in advance, only just can finishes and install by the groove 13 that inner seal bar 15 is inserted into door lining 12.

This sound insulating panel 20 can keep overhang, or fixing with clip 101, and this clip is used for door lining 12 is fixed to and protects metal plate in the car door.In addition, can sound insulating panel 20 be fixed to cloth insertion sheet, cementing agent, stapler etc. and protect in the car door on metal plate or the door lining.

Though in this embodiment, this sound insulating panel 20 is fixed on the support portion 19 of weather strip 15, it also can be fixed on the other parts of weather strip 15.In addition, shown in accompanying drawing 3 (a), the top of this sound insulating panel 20 can be installed in a side of door lining 12, in this case the shank 14 of door lining 12 (also be not limited to this shank 14, and its can exceed protect the relative side that metal plate 11 (shown in accompanying drawing 3 left-hand sides zone) is fixed to shank 14 in the car door).In addition, shown in accompanying drawing 3 (b), a side (being not limited to cover the part of protecting metal plate 11 tops in the car door) of protecting metal plate 11 in the car door can be installed in the upper end of sound insulating panel 20.

In addition, though this embodiment has shown in this automobile door structure, the adhesion base 16 of inner seal bar 15 is inserted in the trench portions 13 of door lining 12, this groove moulding at an upper portion thereof, but this inner seal bar 15 also can be installed on any one part except that trench portions 13.For example, as shown in Figure 4, the adjunction base portion 26 of this inner seal bar 25 can be fixed on the door lining 22 of bent at its tip by bolt 29.Perhaps, as shown in Figure 5, the tip of door lining 32 can be inserted in the trench portions 33 that is molded on the inner seal bar 35.In addition, this door lining 12 or 32 and inner seal bar 15 or 35 can be fixed by the method that positions the appropriate section that is welded to door lining 12 or 32 in whole or in part the adjunction base portion 16 of the groove 33 of inner seal bar 35 or inner seal bar 15.And, though do not show, such be fixed to the inner seal bar that protects in the car door on the metal plate in advance and can be used.

In addition, can play effectively and when carrying out assembly manipulation, make for example door handle, vehicle window crank and car door protect the installation of metal plate lock or remove simpler effect making a slit on the sound insulating panel 20.

With the length of sound insulating panel 20 make in fact with car door in protect metal plate 11 height (vertically width) equate and can effectively sound insulating panel 20 be installed on the integral part that protects metal plate 11 in the car door.Yet even the length of metal plate 20 is to protect 1/2 or 1/3 (or 2/3) of the height of metal plate 11 in the car door, soundproof effect can be improved.

In addition, the example as shown in accompanying drawing 6 (a) and (b), this sound insulating panel 20 can be installed in the first half or the Lower Half of protecting metal plate 11 in the car door.Perhaps, shown in accompanying drawing (c), (d), this sound insulating panel 20 can be installed to the center of protecting metal plate 11 in the car door, and horizontal direction is divided into three parts with protecting metal plate 11 in the car door in other words along its length.

By such installation, this sound insulating panel 20 can be saved its material cost, and since on its size to dwindle installation simpler.

And according to present embodiment, though not shown, owing to the sound insulating panel 20 that comes that hangs down as door curtain is fixed by instruments such as clip, cementing agent, two-sided tapes at its left and right sides or downside, its soundproof effect will be improved to a great extent.

In addition, though sound insulating panel 20 is fixed to the top of protecting metal plate 11 or door lining 12 in the car door in the present embodiment, this sound insulating panel 20 also can be fixed to and protect metal plate 11 or the other parts of door lining 12 except that top in the car door.Fixing position is not limited in the top of sound insulating panel 20.For example, as shown in Figure 7, when this sound insulating panel 20 when hanging down as the door curtain, it can be fixed on its right side and left end 105,105, for example fastening devicess such as clip, cementing agent and two-sided tape have wherein been used corresponding to the right side and the left side of car door 100 in this end.This fastening operation can one of them be realized by clip, cementing agent and two-sided tape, also can realize by their combination.

According to the sound insulating panel 20 of present embodiment have an additional effect be exactly can prevent door lining 12,22 or 32 and car door in protect metal plate 11 and be in contact with one another the noise that is produced.

(second embodiment of the invention)

Hereinafter the automobile door structure in the 8 and 9 pairs of second embodiment of the invention is described with reference to the accompanying drawings.The parts identical with first embodiment will use identical label, and will omit its explanation.

The perspective representation of accompanying drawing 8 be the critical piece of second embodiment of the invention kind automobile door structure.What the phantom drawing of accompanying drawing 9 showed is the overall diagram that the automobile door structure of structure shown in the accompanying drawing 8 is installed.

In accompanying drawing 8, weather strip 15 is expressed as a double dot dash line, and the area of sound insulating panel 20 is represented as oblique line for convenience simultaneously.

The sectional view of being done along accompanying drawing 8B-B line just is equivalent to the picture in the accompanying drawing 2.

According to the automobile door structure in the second embodiment of the invention, similar with first embodiment, include to protect in the car door in metal plate 11 and this car door of covering and protect metal plate top and inboard door lining 12.Protect the inboard that metal plate 11 has formed the part of automobile door structure and has been positioned in the coachbuilt body stringcourse in being somebody's turn to do.This door lining 12 is provided with an inner seal bar 15 at an upper portion thereof, and itself and automobile door glass 102 form Elastic Contact.This door lining 12 includes the shank 14 that has certain intervals mutually, and its structure and first embodiment of the invention are different.

That is to say that this door lining 12 includes a trench portions 13 at an upper portion thereof, the base portion of inner seal bar 15 is inserted into wherein.This door lining 12 comprises shank 14, and it extends to its underpart direction as inner seal bar 15 from the lower end of trench portions 13.Each pin components 14 has the section configuration of a right angle type and the support portion 19 that inner seal bar 15 from supported underneath.Each pin components 14 is to tilt dress with this support portion 19 of abundant support.In addition, each leg 14 all with fixing width moulding to guarantee predetermined ground at interval.Therefore, the support portion 19 of each inner seal bar 15 is exposed in the interior zone that pin components 14 is not set of door lining 12.

When being provided with pin components 14, the upper end of sound insulating panel 20 is fixed on the support portion 19 of the inner seal bar 15 between support portion 19 and the pin components 14.In other words, as shown in Figure 8, this sound insulating panel 20 protects the upper end of metal plate and is covered with process between the inner seal bar 15 of shank 14 in car door, and it is supported in the top of protecting metal plate 11 in the car door, dangles in a downward direction simultaneously.And as along (corresponding to the accompanying drawing 2 of first embodiment) shown in the sectional view of the B-B line of accompanying drawing 8, when shank 14 was not set, this sound insulating panel 20 was fixed on the support portion 19.

Though in the present embodiment, shank 14 is formed on the door lining 12, has therebetween at interval, and shank 14 also can be formed as in the longitudinal direction extension continuously and not have at interval.Perhaps, shank 14 can be set.

(third embodiment of the invention)

Hereinafter the automobile door structure of 10 and 11 pairs of third embodiment of the invention is described with reference to the accompanying drawings.In accompanying drawing 10, inner seal bar 15 is represented as double dot dash line, and the zone location of sound insulating panel 30 is represented as oblique line.

Compare with second embodiment of the invention mentioned above, in this embodiment, the shape that door lining 12 and inner seal bar 15 are is similar, is used at that time the top stationary device of sound insulating panel 30 is not quite similar.

That is to say, go into along (corresponding to the accompanying drawing among first embodiment 2) shown in the sectional view of the B-B line of accompanying drawing 8 that when moulding shank 14 not, the top of this sound insulating panel 30 is fixed on the support portion 19, the sound insulating panel 20 among its structure and second embodiment is similar.Yet what be different from second embodiment is, the top of this sound insulating panel 30 is not fixed on the support portion 19 of door lining 12, and the upper end that is provided with shank 14 and sound insulating panel 20 herein is lower than the bottom of shank 14.

According to present embodiment, must be provided with sound insulating panel 30 in the part that forms shank 14, because the upper end of this plate 30 is lower than the bottom of shank 14, so sound insulating panel 30 quantitatively obtains saving.

In addition owing between support portion 19 and weather strip 15, sound insulating panel 30 is not set, support portion 19 improved its with respect to inner seal bar 15 at the bonding characteristic that sound insulating panel 30 parts are not set.

(fourth embodiment of the invention)

First embodiment of the invention has a problem to be exactly as shown in Figure 2, and when sound insulating panel 20 was fixed and is folded down by the recurrence end, the both sides of this sound insulating panel 20 or its lower end can highlight from door lining 12.

In this case, this sound insulating panel 20 highlights from door lining 12, and the whole impression of this sedan door can be damaged, and its soundproof effect also will be damaged.

Therefore, the purpose of fourth embodiment of the invention is exactly to fix this sound insulating panel tightly to be arranged on the end of protecting in the car door between metal plate and the door lining, and it is not highlighted this sound insulating panel location one from door lining.

With reference to accompanying drawing 12 and 13, hereinafter will the 4th embodiment of bus door structure of the present invention be described.Accompanying drawing 12 is phantom drawings that split, and it has represented the bus door structure according to fourth embodiment of the invention.Accompanying drawing 13 is sectional views that amplify, and it has represented the major part of structure shown in Figure 12.With first and previous embodiment in identical parts will give identical label, and here will no longer make an explanation.

These door lining 12 recurrence left and right sides and its downside are provided with pin 39, protect metal plate 11 1 sides and protrude in car door.(embodiment that accompanying drawing 12 shows has five pins 39.This pin 39 only is set to the left and right sides of door lining 12 or only is set to its downside.) this pin 39 do not limit shape.In the present embodiment, protrude on the top of pin 39, and the bottom of pin 39 is fixed on the door lining 12.

Therefore and as shown in Figure 13, each pin 39 has penetrated sound insulating panel 20, the left and right sides of sound insulating panel 20 and bottom all has been fixed to and has protected in the car door on the metal plate 11, simultaneously sound insulating panel 20 is positioned, and it is not given prominence to away from the edge of door lining.In accompanying drawing 12, sound insulating panel is provided with the x sign, and it has shown the point that pin 39 passes.This door lining 12 is fixed to by clip 101 and protects in the car door on the metal plate 11.

In the present embodiment, this sound insulating panel 20 all has been carried out fixing in left and right sides and bottom, and is positioned not give prominence to away from the edge of door lining 12 by the pin 39 that passes wherein.This sound insulating panel 20 also can be crushed on to protect in the car door on the metal plate 11 and be positioned by pin 39.

(fifth embodiment of the invention)

Hereinafter the automobile door structure in the fifth embodiment of the invention is described with reference to accompanying drawing 14-16.The phantom drawing of accompanying drawing 14 has shown the bus door structure according to fifth embodiment of the invention.The amplification view of accompanying drawing 15 has shown the critical piece in structure shown in the accompanying drawing 14.In addition, the phantom drawing of accompanying drawing 16 has shown the clamping extention of clip shown in the accompanying drawing 15.

According to the bus door structure in the present embodiment, as shown in Figure 14, this sound insulating panel 20 is provided with clip 40 as its fastening devices in its side, and is unlike in the use pin 39 described in the 4th embodiment.

Each clip 40 comprises a head 42 that protrudes moulding on neck, and the umbrella portion 43 of protruding moulding below neck 41 is also bigger than head 42 dimensionally, and a shank 44 is molded over the below of umbrella portion 43 simultaneously.

Shown in accompanying drawing 14 and 15, each clip 40 is connected the left and right sides and the bottom of sound insulating panel, and clip 40 also is inserted among the hole 20a that is molded on the plate 20 simultaneously.Even (when clip 40 only was connected the left and right sides of plate 20 or only is connected the bottom of plate 20, it worked equally.) in addition, by the neck 41 of clip 40 is combined with the U-shaped combined hole of clamping extention 12a on being fixed to door lining 12, this sound insulating panel 20 is fixed on the door lining 12.And, be inserted into by shank 44 and be molded among the hole 11a that protects in the car door on the metal plate 11 clip 40, this sound insulating panel 20 can be fixed to and protect in the car door on the metal plate 11.

Therefore, this sound insulating panel 20 can so accurately be located, and its left and right sides and bottom can not given prominence to away from the edge of door lining 12.The x sign has shown the position of the point of the shank 44 that is inserted with clip 40 in accompanying drawing 14.

Because door lining 12 is fixed to by clip 40 and protects in the car door on the metal plate 11, so just need not re-use the clip 101 shown in the accompanying drawing 12.And clip 40 and clip 101 also can use simultaneously.

(sixth embodiment of the invention)

The purpose of sixth embodiment of the invention and the 4th embodiment are similar, protect the marginal portion that is folded down between metal plate and the door lining in order to firmly fix sound insulating panel in car door, and this plate is located so that it is not given prominence to away from door lining.

With reference to accompanying drawing 17,18 and 19, hereinafter will the bus door structure in the sixth embodiment of the invention be described.

The phantom drawing of accompanying drawing 17 has shown the bus door structure in the sixth embodiment of the invention.Accompanying drawing 18 is the amplification views along the F-F line in the accompanying drawing 17.The sectional view of accompanying drawing 19 has shown the situation when sound insulating panel is pressed into groove and fixes wherein.Corresponding along the amplification view that the E-E line of accompanying drawing 17 is done with the accompanying drawing 2 in first operation format.

The parts identical with first embodiment use identical label, and it is explained here and omits.

According to present embodiment, as shown in Figure 18, a groove 50 with channel shaped section configuration protects the periphery and door lining 12 global formations of the door lining 12 of metal plate 11 sides in car door, and in the present embodiment, extend its left and right sides and bottom along door lining 12.Though groove 50 is continuously shaped in the present embodiment, it is moulding off and on also.

When the end of sound insulating panel 20 was pressed in this groove 50, sound insulating panel was fixed on it, does not give prominence to away from door lining 12 so the marginal portion of this sound insulating panel 20 is fixed.

As shown in Figure 19, the end of sound insulating panel 20 is folded into two parts, and is pressed in the groove 50 by a rod or the plate clevis tool that has or do not have roller at its top.The end of this sound insulating panel is pressed in the groove 50 and is clipped in the middle by the left wall 50a of groove 50 and right wall 50a and firmly fixes.

Though this door lining 12 is fixed to by clip 101 and protects in the car door on the metal plate 11, the end of this sound insulating panel 20 also can be fixed by clip 101.

The shape of groove 50 is not limited to a kind of shown in the accompanying drawing 18, and it can also have any can adding and the fixing shape of sound insulating panel 20.

For example, as shown in Figure 20, groove 51 can be shaped to inboard slightly thicker towards the groove top at left side and right side wall 51a, 51a, yet the inner surface of groove is tapered and widen gradually towards the bottom.In addition, as shown in Figure 21, the top that groove 52 can be shaped to left and right sides sidewall 52a, 52a bends inwards, and therefore makes the top of wall 52a be hook-shaped, and makes this groove have space segment and a narrower space segment of a broad.

Make a farfetched comparison structure shown in Figure 18 more excellent aspect the end that fixedly secures sound insulating panel 20 in the structure shown in accompanying drawing 20 and 21.Yet the latter is better than the former performance take out foundry goods from casting mold aspect, the latter's groove 50 and door lining global formation.

(seventh embodiment of the invention)

The problem that also has needs to solve.Shown in the accompanying drawing 2 of first embodiment, even being set at, protects in the car door between metal plate 11 and the door lining 12 sound insulating panel 20, but reveal owing to the bottom of protecting the automobile door structure between the metal plate 11 in the bottom of passing door lining 12 and the car door can produce noise, then the soundproof effect of this plate can reduce suddenly.

Prior art is by increasing soundproof effect to place, the slit additional noise absorbing material that is molded over bottom of door.Yet this traditional handicraft needs to spend many times and effort in the operation that this material is installed, and the outward appearance of automobile door structure is plain as mentioned before, and this material and car door parts are separated and partly are attached on the car door.

Therefore, the purpose of seventh embodiment of the invention is to alleviate the noise leakage at the place, slit that protects in door lining bottom and the car door between the metal plate by the use sound insulating panel, thereby further strengthens soundproof effect.

With reference to accompanying drawing 22 and 23, hereinafter will the embodiment of sound insulating panel among the present invention be described.The decomposition diagram of accompanying drawing 22 has shown a kind of automobile door structure that uses the sound insulating panel in the embodiment of the invention.The enlarged side view of accompanying drawing 23 has shown the part of the sound insulating panel in the embodiment of the invention.The parts identical with first embodiment use identical label, and it is explained here and omits.

In the car door of automobile door structure, protect in the embodiment of the invention be provided with between metal plate 11 and the door lining 12 as door curtain downward dangle sound insulating panel 20.The inboard of protecting metal plate 11 in car door is provided with door lining 12, and it is positioned at the 12b place, lower end that car door protects the door lining 12 of metal plate 11 lower end 11b top.

The upper end of sound insulating panel 20 is connected and protects metal plate 11 or door lining 12 places in the car door.Door lining 12 is fixed on by clip 101 and protects in the car door on the metal plate 11.As shown in Figure 2, the top of sound insulating panel 20 is fastened on the door lining 12 on the inner seal bar 15 of (or be fixed on protect in the car door on the metal plate 11).In addition, can in the process of carrying out assembly manipulation, make that the loading, unloading of instruments such as door handle, vehicle window crank and car door lock are all easier at manufacturing one slit on the sound insulating panel 20.

Sound insulating panel 20 is to be made by the spill fabric, and it covers door lining 12 comprehensively.The installation of this sound insulating panel 20 makes its lower end 20b highlight along downward direction from the lower end 12b of door lining 12.As shown in Figure 23, the sound insulating panel 20 lower end 20b that highlight from the lower end 12b of door lining 12 are connected to the inboard of protecting metal plate 11 in the car door by a belt and clip.

As indicated above, highlight from the lower end 12b of door lining 12 by making sound insulating panel 20 lower end 20b, can alleviate the noise leakage of protecting place, slit between the metal plate 11 in car door 100 bottom door linings 12 and the car door, thereby its soundproof effect is further improved.

(eighth embodiment of the invention)

With reference to the accompanying drawings 2 and accompanying drawing 5 shown in automobile door structure among first embodiment, inner seal bar 15 or 35 and door lining 12 or 32 to before they are transported to the assembly line of automobile door structure parts, just be mounted, parts are huge, the transport operation complicated problems so brought.

In addition, in case inner seal bar 15 or 35 is installed on door lining 12 or 32, this sound insulating panel 20 as door curtain from the last cross hang that protects metal plate 11 in the car door to its downside, the problem that it brought is exactly to be difficult to the apparatus (not shown) on the car door 100 from sound insulating panel 20 1 side-draws to door lining 12 or 32 1 sides.

Therefore the purpose of eighth embodiment of the invention just provides a kind of automobile door structure, and it is transfer cart door parts easily, and can take out described apparatus easily in the automobile door structure process is installed.

Hereinafter the automobile door structure in 24, the 25 and 26 pairs of eighth embodiment of the invention is described with reference to the accompanying drawings.Accompanying drawing 24 is phantom drawings of automobile door structure in one embodiment of the invention.Accompanying drawing 25 has shown the amplification view of the automobile door structure in one embodiment of the invention along G-G line in the accompanying drawing 24.Accompanying drawing 26 is the amplification views along H-H line in the accompanying drawing 24.The parts identical with first and previous embodiment use identical label, and it is explained here and omits.

This automobile door structure comprises a car door 100, and the car door that wherein is positioned at the waist line of body inboard protects and inner seal bar 90 that car door inner liner 95, one and automobile door glass 102 form Elastic Contact is installed on metal plate 11 inboards is installed in and protects in the car door on the metal plate 11.In car door, protect and be provided with a sound insulating panel 20 between metal plate 11 and the door lining 95, its as door curtain from the last cross hang that protects metal plate 11 in the car door to downside.

This inner seal bar 90 comprises an adhesion base 56, a upper-lower seal lip 57,58, and they and inner side of door glass in door form Elastic Contact, comprise that also one is arranged on the attachment device of the sound insulating panel 20 of adhesion base 56 inboards.This adhesion base 56 comprises that a cross section is the trench portions 60 of spill, and it has down an opening, also comprises a lateral wall 59 and forms the inside wall 61 and the diapire 62 of trench portions 60.

This adhesion base 56 comprises that also some are used for protecting in hold the lip 63,64 of metal plate 11, and they are outstanding from the interior side direction diapire 62 of lateral wall 59 and inside wall 61.It can be assembled to and protect in the car door on the metal plate 11 by this adhesion base 56 being inserted into the upper edge 11c that protects metal plate 11 in the car door.

Inner seal bar 90 contacts with door lining 95, but is not assembled on the door lining 95.This inner seal bar 90 can not contact with door lining 95 yet.

Lateral wall 59 also plays the supporting role to sealed lip 57,58.

In the present embodiment, the attachment device of sound insulating panel 20 comprises a trench portions 70, its have one down just look like opening towards adhesion base 56, this lateral wall, inside wall and diapire 61,71,72 have formed groove 70, some protuberances 73,74 highlight (though only be provided with two protuberances in the present embodiment from inside wall 61,71 simultaneously, but its quantity is not limited to this, and it also can be more than two).And this interconnect function is exactly that the top of sound insulating panel 20 is inserted wherein from groove 70 belows.In case this sound insulating panel 20 is inserted in the middle of the trench portions 70, protuberance 73,74 closely contacts to prevent that plate 20 from moving with the top of plate 20 with inboard from the outside of car.

Though in the present embodiment, sidewall 61 is as the lateral wall of the inside wall of adhesion base 56 and attachment device and form the also moulding separately of this wall 61.

In addition, as shown in Figure 26, in the neighboring of door lining 95 (protecting the neighboring of metal plate 11 in the car door), global formation has one to be used for sound insulating panel 20 being pressed into the pressing piece 80 that protects in the car door in the metal plate 11 in the car door installation process.(this pressing piece 80 also can separate moulding.) this pressing piece 80 can be along the whole of door lining 95 or the setting of part periphery.In addition, this pressing piece 80 can form many parts respectively, and they can be set at some specific regions.By pressing piece 80 is set, can prevents that this sound insulating panel 20 from giving prominence to away from door lining 95, and can prevent that also the outward appearance of this automobile door structure is influenced.In addition, this sound insulating panel 20 can be pressed into by clip 101 and protect in the car door in the metal plate 11, and this clip protects on the metal plate 11 in being used to door lining 95 is fixed to.

According to the automobile door structure in the present embodiment, sound insulating panel protects in car door and has formed two spaces that separate between metal plate 11 and the door lining 95, so that the soundproof effect of this bus door structure improves.The test that the present inventor finished has clearly illustrated that the automobile door structure in the embodiment of the invention compares with the prior art of sound insulation covering with using hard felt pan, polyurethane, stuffing box packing, can be in 100 to 1000Hz scope the noises of isolating 2bB more.

In addition, it does not need inner seal bar 90 is transported to assembly line with the assembly of door lining 95.Because though car door inner seal bar 90 door linings 95 contact in installation process, its be with sound insulating panel 20 and car door in protect metal plate 11 and be fixed together, be not fixed together with door lining 95.

That is to say, be by inner seal bar 90 or have only the inner seal bar 90 of composite member of band sound insulating panel 20 to be transported on the hookup wire, be separated and protect metal plate 11 in door lining 95 and the car door,, cause transport operation to obtain simplifying so each parts of automobile door structure all keep less size.

In addition, the dismounting of car door apparatus also becomes simply in the installation process of automobile door structure, because operator's hand can be from the apparatus that gets at car door 100 Anywhere of car door 100 1 sides, till door lining 95 is fixed up.In addition, so improve because the fitting operation of the enough eye examination car door apparatus automobile door structures of operator's energy is finished also.

In embodiments of the present invention, inner seal bar 90 is provided with attachment device, and it can support sound insulating panel 20.Except that attachment device was set, the top of sound insulating panel 20 can be attached on the inner seal bar 90 with instruments such as stapler, screw thread, two-sided tape, cementing agent, clips.

In addition, can on sound insulating panel 20, a slit be set so that further improvement is as the dismounting of car door apparatus such as door handle, vehicle window crank and door panel lock.

The invention beneficial effect:

According to the present invention first, second and third, six and seven aspects, when sound panel protects metal plate in car door And between the door lining when being folded down as the door curtain, just in car door, protect metal plate and door lining Between provide a new space that separates. Owing to be provided with new space, its soundproof effect with make Compare with the prior art of hard felt pan, polyurethane, gasket material and sound insulation covering etc. and to have obtained Improve.

In addition, owing to this sound panel just dangles to the below from the top as door curtain, so its Installation is simplified.

Particularly, according to seventh aspect present invention, this sound panel has covered at least and has protected metal plate in the car door Top, can be reduced so in car door, protect the noise leakage on metal plate top.

In addition, can also lower the material cost of sound panel, by this sound panel is arranged on greatly Metal plate is perhaps protected along horizontal or vertical direction quilt in about the first half or lower this part in whole car door Roughly the tripartite words of five equilibrium are arranged on the core that protects metal plate in the car door with this sound panel, Can make the size reduction of sound panel, and installation becomes simple.

Particularly, according to an eighth aspect of the invention, fitting operation becomes simply, because sound insulation Plate is installed on the door lining in advance, so only need just can by the inner seal bar is installed Finish fitting operation.

According to the tenth aspect of the invention, because the upper end of sound panel is fixed on door lining Between the part of shank and inner seal bar, thus its can closely be fixed, this shank from Supported underneath some position of inner seal bar.

According to an eleventh aspect of the invention, when the upper end of sound panel is low, the leg of sound panel Section is untapped, so saved the quantity of plate and energy for some lower plates Enough more effectively uses. In addition, between the support portion of described shank and inner seal bar, do not have Sound panel is set, so that the bonding characteristic of this relative shank in support portion strengthens to some extent.

According to a twelfth aspect of the invention, sound panel is not prominent from the edge of door lining Go out, and dangle as door curtain because there is sound panel in car door, to protect between metal plate and the door lining Get off, soundproof effect can not lower, and the car door outward appearance can not be affected yet, simultaneously this sound panel Both sides and bottom be properly positioned by pin or clip.

Particularly, according to the 13,14 and 15 aspects of the present invention, because at sound panel Both sides and bottom be provided with clip, so the marginal portion of sound panel can be prevented from fully from Give prominence to away at the door lining place.

According to a sixteenth aspect of the invention, look like because in car door, protect between metal plate and the door lining The marginal portion of the sound panel that door curtain equally is folded down has concave cross-section shape and quilt is solid Fixed give prominence to away with the edge from door lining not, so the outward appearance of automobile door structure can not be subjected to Impact, soundproof effect can not lower yet.

According to the 18,19,20 and 20 one side of the present invention, because in car door Protect between metal plate and the door lining sound panel has been installed, namely in car door, protect between metal plate and the door lining Be formed with two spaces, so the soundproof effect of sound panel improves.

In addition, because car door inner seal bar is fixed on and protects in the car door on the metal plate and be not to be fixed On door lining, so do not need the door lining with car door inner seal bar is transported To hookup wire.

That is to say, with protect in door lining or the car door independent inner seal bar that metal plate is separated or To be fixed with on the hookup wire that the inner seal bar of sound panel can be transported, so that be transported to Part dimension on the hookup wire is littler, so the process of transporting is simplified.

In addition, because the operator can get at the car door apparatus with hand from the either side of car door, so In assembling process, the operation of the removal of car door apparatus is simplified. And, because the operator can use The fitting operation of eye examination apparatus is so fitting operation can be effectively executed.

In addition, be inserted in the inner seal bar and with sound insulation by the upper end with this plate because can be only Plate is fixed, so its fitting operation can be finished easily. And when fitting operation is finished The time, this sound panel can closely be fixed on the inner seal bar, because some attachment devices Protuberance from the outside of car with inboardly closely be bonded at the upper end of sound panel and with its support.

In addition, because protecting metal plate one side in car door, door lining is provided with one at the installation sound panel The time sound panel can be pressed in the pressing piece that protects in the car door on the metal plate, so can prevent that this sound panel is from it Mobile on the position.

In addition, be arranged on car door by sound panel being pressed in from the outstanding pin of door lining In protect around the hole on the metal plate, just can prevent from protecting in the water intrusion car door metal plate and door lining in Side. In this case, the outer surface of the sound panel (side that it protects metal plate in the car door at least Face) should be made by the material with little water absorption rate.

According to a twenty-second aspect of the invention, be formed in the bottom of door lining and the car door and protect The noise leakage at the place, slit of the bottom of door between the metal plate tails off, and because protects metal plate in car door And between the door lining as the bottom of the sound panel that is folded down as the door curtain from door lining The bottom margin place highlights, and its soundproof effect is further enhanced, and this plate is outstanding simultaneously Section is fixed to the inboard of protecting metal plate in the car door.

In addition, the time that fitting operation needs still less and owing to begins to prolong from the sound panel lower end The sound panel protuberance of stretching is applied to the bottom of automobile door structure, rather than uses one and sound insulation The separate part that plate is separated, this makes the outward appearance of automobile door structure better.

Claims (16)

1, a kind of automobile door structure, it is formed by protecting metal plate, inboard door lining, sound insulating panel, inner seal bar and automobile door glass in the car door, it is characterized by described door lining and is installed in the inboard of protecting metal plate in the car door; Described inner seal bar contains sealing lip, the Elastic Contact that itself and automobile door glass form; Described inner seal bar is fixed on and protects in the car door on metal plate or the door lining; Described sound insulating panel protects between metal plate and the inboard door lining interior; Described sound insulating panel resembles the door curtain bottom of dangling from the top of protecting metal plate in the car door; The inner seal bar is fixed on the top of described sound insulating panel.

2, a kind of automobile door structure, it is made up of interior metal plate, inboard door lining, inner seal bar, sound insulating panel and the automobile door glass of protecting, and it is characterized by described inboard door lining is that the top of protecting metal plate in car door is installed in its inboard; Described inner seal bar contains sealing lip, is used to form the Elastic Contact with automobile door glass; Described weather strip is installed in the top of door lining; Described sound insulating panel resembles a door curtain and dangles and protect between metal plate and the inboard door lining interior; Described sound insulating panel has covered at least and has protected the metal plate top edge in the car door.

3, automobile door structure as claimed in claim 2, the upper end that it is characterized by sound insulating panel is fixed on the inner seal bar.

4, automobile door structure as claimed in claim 2, the upper end that it is characterized by sound insulating panel is fixed in door lining or the car door to be protected on the metal plate.

5, automobile door structure as claimed in claim 2 is characterized by door lining and comprises a groove component that is positioned at its top; The adhesion base that described this groove component holds the inner seal bar links to each other; The cross section of described groove component is a spill; The bottom of described groove component has the shank that extends along downward direction; Described shank partly supports the inner seal bar from the below; Described sound insulating panel be fixed on shank and and some position of the corresponding inner seal bar of shank between.

6, automobile door structure as claimed in claim 2 is characterized by door lining and comprises a groove component that is positioned at its top; Described groove component receives the adhesion base of inner seal bar; Described groove component has the cross section of spill; The bottom of described groove component has the shank of certain intervals; Described shank extends downwards; Described shank receives the part of inner seal bar; The top of described sound insulating panel is fixed on the place that does not have shank to link to each other and be exposed on the inner seal bar; When the upper base of sound insulating panel was lowered, the position that is provided with shank at described sound insulating panel was not fixed.

7, a kind of automobile door structure, it is formed by protecting metal plate, inboard door lining, sound insulating panel and inner seal bar in the car door; It is characterized by described door lining and be installed in the inboard of protecting metal plate in the car door; In being arranged at, protects described sound insulating panel between metal plate and the inboard door lining; Described sound insulating panel resembles the door curtain bottom of dangling from the top of protecting metal plate in the car door; The sound insulating panel upper end is fixed on to be protected in the car door on metal plate, door lining or the inner seal bar; Described inner seal bar is fixed on car door and protects metal plate or inboard door lining; The both sides of door lining are or/and pin is equipped with in the below; Described pin protects metal plate in car door outstanding; Protect metal plate by passing or push sound insulating panel to car door, described pin is positioned sound insulating panel to protect metal plate in the car door, and it is not stretched out from the edge of door lining.

8, a kind of automobile door structure, it is formed by protecting metal plate, inboard door lining, sound insulating panel and inner seal bar in the car door; It is characterized by described door lining and be installed in the inboard of protecting metal plate in the car door; Described sound insulating panel protects in car door between metal plate and the inboard door lining; Described sound insulating panel resembles the door curtain bottom of dangling from the top of protecting metal plate in the car door; The sound insulating panel upper end is fixed on to be protected in the car door on metal plate, door lining or the inner seal bar; Described weather strip is fixed in and protects metal plate or door lining in the car door; The both sides of described sound insulating panel and/or go to the bottom and have clip; Clip is fixed on the edge that makes it on the door lining not from door lining with sound insulating panel and stretches out.

9, automobile door structure as claimed in claim 8 is characterized by clip and also sound insulating panel can be fixed in the car door and protect on the metal plate.

10, automobile door structure as claimed in claim 9, it is characterized by each clip is by a neck, a head, main body (umbrella) parts and a shank are formed; Described head is formed on the neck highlightedly; And described main element is formed under the neck highlightedly; Described shank is positioned under the main element; In a hole of head being inserted sound insulating panel, each clip is fixed on the sound insulating panel; Described sound insulating panel is fixed on the door lining by neck is linked to each other with a annex on the door lining; Shank is inserted in the hole of protecting in the car door on the metal plate, and described sound insulating panel is fixed in the car door and protects on the metal plate.

11, a kind of automobile door structure, it is formed by protecting metal plate, inboard door lining, sound insulating panel and inner seal bar in the car door; It is characterized by described door lining and be installed in the inboard of protecting metal plate in the car door; Described sound insulating panel protects in car door between metal plate and the inboard door lining; Described sound insulating panel resembles the door curtain bottom of dangling from the top of protecting metal plate in the car door; The sound insulating panel upper end is fixed on to be protected in the car door on metal plate, door lining or the inner seal bar; Described inner seal bar is fixed to and protects in the car door on metal plate or the door lining; Described door lining includes and is distributed in the re-entrant part that protects the metal plate periphery in the car door; Described re-entrant part is continuous or spaced apart; Described groove component has the cross section of a spill; In the edge, described sound insulating panel has been pressed in the re-entrant part of door lining; Described sound insulating panel is positioned, and makes its marginal portion can not stretch out from door lining.

12, automobile door structure as claimed in claim 11 is characterized by the consistent moulding with door lining of re-entrant part.

13, a kind of automobile door structure, it is formed by protecting metal plate, inboard door lining, sound insulating panel, inner seal bar in the car door, it is characterized by described door lining and is installed in the inboard of protecting metal plate in the car door; Described weather strip contains the Elastic Contact of sealing lip formation and automobile door glass; Described weather strip is fixed on and protects on the metal plate in the car door; Described sound insulating panel protects in car door between metal plate and the door lining; Described sound insulating panel is as the door curtain bottom of dangling from the top of protecting metal plate in the car door; The top of described sound insulating panel is fixed by the inner seal bar; Described inner seal bar is installed in and protects the metal plate upper base in the car door.

14, automobile door structure as claimed in claim 13, the inboard that it is characterized by the inner seal bar has an attachment device; The upper base of sound insulating panel can insert this attachment device and make the two connection.

15, automobile door structure as claimed in claim 14 is characterized by attachment device and is made up of a groove component and some prodgers; Described groove component has the cross section of spill; Described prodger is stretched out towards diapire from the sidewall of groove component.

16,, it is characterized by door lining and have pressing piece at its periphery as the described automobile door structure of claim 13,14 or 15; It is outstanding that described pressing piece protects metal plate in the car door; Described pressing piece has been pressed onto sound insulating panel and has protected the metal plate place in the car door when being mounted.

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