CN114043857A - Automobile sound-absorbing door and installation method thereof - Google Patents
Automobile sound-absorbing door and installation method thereof Download PDFInfo
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- CN114043857A CN114043857A CN202111537909.7A CN202111537909A CN114043857A CN 114043857 A CN114043857 A CN 114043857A CN 202111537909 A CN202111537909 A CN 202111537909A CN 114043857 A CN114043857 A CN 114043857A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 title abstract description 17
- 229920000742 Cotton Polymers 0.000 claims abstract description 118
- 239000002184 metal Substances 0.000 claims abstract description 69
- 239000012528 membrane Substances 0.000 claims abstract description 50
- 238000010009 beating Methods 0.000 claims abstract description 46
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 19
- 239000000853 adhesive Substances 0.000 claims abstract description 17
- 230000001070 adhesive effect Effects 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 73
- 239000006260 foam Substances 0.000 claims description 30
- 238000010521 absorption reaction Methods 0.000 claims description 28
- 239000000835 fiber Substances 0.000 claims description 11
- 239000000565 sealant Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 17
- 238000009413 insulation Methods 0.000 abstract description 6
- 238000004078 waterproofing Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 4
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/04—Doors arranged at the vehicle sides
- B60J5/0412—Lower door structure
- B60J5/0418—Water or sound barrier, e.g. watershields or seals between dry/wet compartment, sound or vibration dampers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/04—Doors arranged at the vehicle sides
- B60J5/042—Reinforcement elements
- B60J5/045—Panel type elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/04—Doors arranged at the vehicle sides
- B60J5/042—Reinforcement elements
- B60J5/0452—Reinforcement elements including foams or expanded materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/04—Doors arranged at the vehicle sides
- B60J5/0468—Fixation or mounting means specific for door components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0815—Acoustic or thermal insulation of passenger compartments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R2013/0807—Arrangements of fasteners or clips specially adapted therefore
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The application discloses car inhales sound door and installation method thereof relates to car sound insulation and falls the technical field of making an uproar, inhales the sound door and includes: the inner surface of the metal plate in the vehicle door is provided with an adhesive contour line; the door protection plate is fixedly arranged on the inner surface of the metal plate in the vehicle door, and a plurality of clamping hooks are arranged on one surface of the door protection plate, which faces the metal plate in the vehicle door; the waterproof film is pasted on the metal plate in the vehicle door along the gluing contour line; inhale the sound cotton, it sets up between water proof membrane and door backplate, and inhale that the cotton quilt of sound is penetrated to hang and is established fixedly by all joint couples. Inhale the sound door and still contain the cotton of banding sealed bubble, sealed bubble is cotton to encircle the setting along door protective plate circumference, and presss from both sides tightly between panel beating in door protective plate and door. The application also discloses an installation method based on the automobile sound-absorbing door. The sound absorbing door for the automobile and the installation method of the sound absorbing door have good noise control effect, effectively reduce the noise level in the cockpit, and improve the comfort degree of passengers.
Description
Technical Field
The application relates to the technical field of sound insulation and noise reduction of automobiles, in particular to an automobile sound-absorbing door and an installation method thereof.
Background
At present, the noise level in the vehicle is an important index of the comfort level of users, and the door guard plate is used as an important component of the cabin structure and needs to absorb external wind noise and noise generated by moving parts such as a glass lifter. More and more automobile manufacturers seek to reduce the noise inside the whole automobile cabin, and provide more comfortable use experience for consumers.
Among the correlation technique, fall the technical scheme who makes an uproar mainly adopt to giving sound insulation of door protective plate and fix the door protective plate on the door panel beating, the door panel beating is from taking the water proof membrane, plays waterproof sound proof effect through the water proof membrane.
However, above-mentioned technical scheme has following defect, and the reduction of noise divide into sound isolation and sound absorption, only has the one deck waterproofing membrane between door backplate and the door panel beating, and door panel beating and waterproofing membrane can play certain syllable-dividing effect, nevertheless because of the functional restriction requirement, need the trompil on the waterproofing membrane, and noise control effect is poor.
Disclosure of Invention
To the defect that exists among the prior art, the purpose of this application is to provide a sound door is inhaled to car and mounting method thereof, and noise control is effectual, has effectively reduced the noise level in the cockpit, has improved passenger's comfortable degree.
In order to achieve the above purposes, the technical scheme is as follows: an automotive acoustic door, comprising:
the inner surface of the metal plate in the vehicle door is provided with an adhesive contour line;
the door protection plate is fixedly arranged on the inner surface of the metal plate in the vehicle door, and a plurality of clamping hooks are arranged on one surface of the door protection plate, which faces the metal plate in the vehicle door;
the waterproof film is pasted on the metal plate in the vehicle door along the gluing contour line;
inhale the sound cotton, it sets up between water proof membrane and door backplate, and inhale that the cotton quilt of sound is penetrated to hang and is established fixedly by all joint couples.
On the basis of the technical scheme, the sound-absorbing door further comprises strip-shaped sealing foam, the sealing foam is arranged in a surrounding mode along the circumferential direction of the door protection plate and is clamped between the door protection plate and the car door inner metal plate.
On the basis of the technical scheme, the door guard plate comprises a guard plate main body and an edge sealing plate, wherein the edge sealing plate vertically surrounds the guard plate main body in the circumferential direction, and the edge sealing plate surrounds the sealing foam.
On the basis of the technical scheme, a plurality of circumferential support ribs and a plurality of transverse support ribs are arranged at the edge of the guard plate main body, the circumferential support ribs are all arranged in parallel to the edge sealing plate, and the transverse support ribs are all arranged perpendicular to the guard plate main body and the circumferential support ribs;
the plurality of circumferential support ribs and the plurality of transverse support ribs form a pasting ring surface, and the sealing foam is pasted on the pasting ring surface.
On the basis of the technical scheme, the clamping hook comprises a straight part and a hook part, the straight part is perpendicular to the guard plate main body, the hook part and the straight part form an obtuse angle, and the length of the straight part is equal to the thickness of the sound-absorbing cotton; the hook parts of the clamping hooks are different in orientation.
On the basis of the technical scheme, the sound-absorbing cotton is provided with a plurality of notches, and the positions of the notches correspond to the positions of the clamping hooks of the door guard plate one by one.
On the basis of the technical scheme, the edge of the waterproof film is provided with the sealant in a surrounding manner, and the shape of the sealant corresponds to the gluing contour line of the metal plate in the vehicle door; the waterproof membrane is provided with a plurality of structural mounting holes.
On the basis of the technical scheme, the sound-absorbing cotton adopts double-component sound-absorbing cotton which is of a multi-fiber flocculent structure.
The application also discloses an installation method based on the sound-absorbing door of the automobile, which comprises the following steps:
pasting the waterproof film along the adhesive contour line of the metal plate in the vehicle door; meanwhile, the sound-absorbing cotton is hung on one surface of the door protection plate facing the metal plate in the vehicle door;
the door guard plate with the sound absorption cotton is fixedly arranged on the inner surface of the metal plate in the vehicle door.
On the basis of the technical scheme, the sound-absorbing door further comprises strip-shaped sealing foam, and the sealing foam is arranged in a surrounding mode along the circumferential direction of the door guard plate and is clamped between the door guard plate and the inner metal plate of the vehicle door; the door guard plate comprises a guard plate main body and edge sealing plates, the edge sealing plates vertically surround the periphery of the guard plate main body, and the edge sealing plates surround the sealing foam; the edge of the guard plate main body is provided with a plurality of circumferential support ribs and a plurality of transverse support ribs, the circumferential support ribs are all arranged in parallel to the edge sealing plate, and the transverse support ribs are all arranged perpendicular to the guard plate main body and the circumferential support ribs; the plurality of circumferential support ribs and the plurality of transverse support ribs form a sticking ring surface;
will inhale the sound cotton and hang and establish to the door protective plate after the one side outwards, still contain:
and the sealing foam is annularly adhered to the adhering ring surface of the door guard plate.
The beneficial effect that technical scheme that this application provided brought includes:
1. the sound absorbing door for the automobile comprises an inner metal plate of the automobile door, a door guard plate, a waterproof film and sound absorbing cotton, wherein a first sealing cavity is formed between the inner metal plate of the automobile door and the waterproof film, a second sealing cavity is formed between the waterproof film and the door guard plate, the sound absorbing cotton is hung and fixed on one surface, facing the inner metal plate of the automobile door, of the door guard plate, namely the sound absorbing cotton is located in the second sealing cavity, the first sealing cavity plays a sound insulation role, and the sound absorbing cotton in the second sealing cavity plays a sound absorbing role; specifically, the noise passes through the first sealing cavity, and most of the noise is blocked outside by the waterproof membrane; a small part of noise passes through the waterproof membrane and gets into the sealed chamber of second, is provided with in the sealed chamber of second and inhales the sound cotton, inhales the sound cotton and be the multifilament structure, and the sound wave is through numberless fibrous reflection, superpose each other, collision when inhaling the sound cotton, and sound wave energy turns into heat energy to make sound wave intensity weaken, play the effect of making an uproar, further reduced the noise in the cockpit, promote passenger's comfort level, solved current door protective plate and inhaled the poor technical problem of sound effect.
Meanwhile, a plurality of clamping hooks are arranged on one surface, facing the inner metal plate of the door, of the door guard plate, and the sound-absorbing cotton is fixedly hung by all the clamping hooks and is positioned between the waterproof film and the door guard plate; the sound door of inhaling of this application, fixed sound cotton mode of inhaling has preserved the sound characteristic of inhaling sound cotton self well, can the maximize effect of inhaling the sound of performance.
2. The utility model provides a sound door is inhaled to car still contains banding sealed bubble cotton, and sealed bubble cotton encircles the setting along door protective plate's circumference, and is pressed from both sides tightly between panel beating in door protective plate and door by the compression, and sealed bubble cotton has further sealed the border in the sealed chamber of second, has further strengthened the sealing performance between the panel beating in door protective plate and the door, seals the noise in the sealed intracavity of second, and the noise prevention spills over, has further promoted the grade of making an uproar that gives sound insulation and fall.
3. The utility model provides a car inhales the acoustic door, the internal surface of panel beating sets up sticky contour line along its profile in the door, and sticky contour line is used for guiding the water proof membrane to paste, can make the water proof membrane paste the position more accurate and laminate more in the door panel beating, takes place the dislocation when preventing that the water proof membrane from pasting.
4. The utility model provides a door is inhaled to car, door protection plate contain backplate main part and edge shrouding, and the edge shrouding is perpendicular around setting up in backplate main part circumference, and the edge shrouding will seal the bubble cotton and surround. The edge of the guard plate main body is provided with a plurality of circumferential support ribs and a plurality of transverse support ribs, the circumferential support ribs are all parallel to the edge sealing plate, and the transverse support ribs are all perpendicular to the guard plate main body and the circumferential support ribs; the plurality of circumferential support ribs and the plurality of transverse support ribs form a pasting ring surface.
The utility model provides a sound door is inhaled to car, the structure to original backplate main part is improved, border at the backplate main part sets up the edge shrouding, a plurality of hoop brace rod and a plurality of horizontal brace rod, and form and paste the anchor ring, make sealed bubble cotton paste in pasting the anchor ring, and surround through the edge shrouding, panel beating is fixed in taking sealed cotton door backplate of bubble and the door, further set out the cotton sealed effect of sealed bubble from the door backplate structure, prevent to take place to leak the sound, install sealed bubble cotton and door backplate into a whole earlier simultaneously, install panel beating in the door again, the installation degree of difficulty has been reduced, and the assembly efficiency is improved.
5. The utility model provides a sound door is inhaled to car, inhales the sound cotton and sets up a plurality of incisions, and the position one-to-one of the joint couple of a plurality of notched positions AND gate backplate. The notch which is arranged in advance on the sound-absorbing cotton can be conveniently and quickly matched with the clamping hook of the door guard plate, so that the mounting efficiency is improved; meanwhile, the notches arranged in advance can well ensure the original fiber fluffy state of the sound-absorbing cotton, and noise can be better absorbed.
6. The sound door is inhaled to car of this application, inhales the sound cotton and adopts two ingredients to inhale the sound cotton, and two ingredients inhale the sound cotton and be the cotton structure of multi-fiber flocculence, and one deck density is big, and one deck density is little. The double-component sound-absorbing cotton has a sound-insulating function on one side with high density, has a sound-absorbing function on one side with low density, can absorb noise in the second sealed cavity more efficiently, and improves sound-absorbing efficiency.
7. According to the installation method of the automobile sound absorption door, the waterproof film is firstly adhered along the adhesive contour line of the metal plate in the automobile door, the sound absorption cotton is hung on one surface, facing the metal plate in the automobile door, of the door protection plate, and the sealing foam is annularly adhered to the edge of the door protection plate; and then the door guard plate with the sound absorption cotton and the sealing foam cotton is fixedly installed on the metal plate in the vehicle door, the installation method is simple and convenient, all installation is integrated into the final installation of the door guard plate and the metal plate in the vehicle door, the installation difficulty is reduced, the assembly efficiency is improved, and meanwhile, the door guard plate has the performance of high-efficiency energy absorption and noise reduction.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a vehicle door sheet metal provided by an embodiment of the application;
FIG. 2 is a schematic view of a waterproofing membrane provided in an embodiment of the present application;
FIG. 3 is a schematic vertical sectional view of an automotive acoustic door provided in accordance with an embodiment of the present disclosure;
FIG. 4 is a schematic front view of a door panel according to an embodiment of the present disclosure;
FIG. 5 is a schematic view of the back side of a door panel according to an embodiment of the present disclosure;
FIG. 6 is a partial enlarged view A of FIG. 5;
FIG. 7 is a cross-sectional view B-B of FIG. 6;
FIG. 8 is a schematic view of a latch hook on the back of a door panel according to an embodiment of the present disclosure;
fig. 9 is a schematic cross-sectional view of one of the snap hooks penetrating through the sound-absorbing cotton according to the embodiment of the present application.
Reference numerals: 1. a vehicle door metal plate; 11. an outer sheet metal of the vehicle door; 12. a metal plate in the vehicle door; 121. gluing a contour line; 2. a water-resistant film; 21. sealing glue; 22. a structural mounting hole; 3. a door panel; 31. edge sealing plates; 32. supporting ribs; 33. transverse support ribs; 34. sticking the ring surface; 36. clamping the hook; 4. sound-absorbing cotton; 5. sealing the foam; 6. a first sealed chamber; 7. a second sealed chamber.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, fig. 2 and fig. 3, the application discloses an embodiment of sound door is inhaled to car, sound door is inhaled to car mainly contains door panel beating 1 and door backplate 3, wherein, panel beating 12 in panel beating 11 and the door outside the door of door panel beating 1 again, the internal surface of panel beating 12 sets up sticky contour line 121 along its profile in the door, sticky contour line 121 is used for guiding waterproofing membrane 2 and pastes, can make the waterproofing membrane 2 paste the position more accurate and laminate in door panel beating 12 more, take place the dislocation when preventing that waterproofing membrane 2 from pasting. Door protection plate 3 fixed mounting is in the internal surface of door inner panel beating 12, and the one side of door protection plate 3 towards door inner panel beating 12 sets up a plurality of joint couples 36. During actual installation, the edge of the door protection plate 3 is tightly attached to the metal plate 12 in the vehicle door and is fixed through screws or plastic buckles; and a larger gap is reserved between the middle position of the door guard plate 3 and the metal plate 12 in the vehicle door.
The waterproofing membrane 2 is adhered along the adhesive contour 121 of the sheet metal 12 in the door. The waterproof membrane 2 of the present application can play a certain sound insulation effect. Inhale sound cotton 4 and set up between water proof membrane 2 and door protecting plate 3, and inhale sound cotton 4 and pierce through by all joint couple 36 and hang to establish fixedly.
The utility model provides a car inhales the sound door, form first seal chamber 6 between panel beating 12 and the water proof membrane 2 in the door, form second seal chamber 7 between water proof membrane 2 and the door protective plate 3, and inhale sound cotton 4 and hang and establish the one side of fixing panel beating 12 in door protective plate 3 orientation door, inhale sound cotton 4 promptly and be located second seal chamber 7, first seal chamber 6 plays the syllable-dividing effect, the sound cotton effect of inhaling of second seal chamber 7 plays the sound, further reduce the noise in the cockpit, promote passenger comfort level, the current technical problem that the sound effect is poor is inhaled to the door protective plate has been solved. Specifically, the noise passes through the first sealed chamber 6, and most of the noise is blocked outside by the waterproof membrane 2; a small part of noise penetrates through the waterproof membrane 2 to enter the second sealed cavity 7, sound-absorbing cotton 4 is arranged in the second sealed cavity 7 and is of a multi-fiber structure, sound waves are reflected, overlapped and collided through countless fibers when passing through the sound-absorbing cotton, and sound wave energy is converted into heat energy, so that the sound wave intensity is weakened, and the noise reduction effect is achieved.
Simultaneously, the door backplate 3 of this application sets up a plurality of joint couples 36 towards the one side of door interior panel beating 12, inhales the sound cotton 4 and is penetrated to hang by all joint couples 36 and establishes fixedly and be located between waterproofing membrane 2 and the door backplate 3. The sound door of inhaling of this application, fixed sound 4 of inhaling mode has preserved the sound characteristics of inhaling sound cotton 4 self well, can maximize the effect of inhaling the sound of performance. In the actual production process, the sound absorption cotton 4 is occasionally added between the waterproof film 2 and the door guard plate 3, but the sound absorption cotton is fixed in a mode that the door guard plate 3 and the metal plate 12 in the vehicle door are fixed and welded on the door guard plate 3 together, the welding process is based on the principle of vibration friction, the structure of the sound absorption cotton 4 can be damaged in the whole welding process, and the sound absorption effect of the sound absorption cotton 4 is reduced; meanwhile, the welding process may generate lint, resulting in heat concentration, requiring a longer cooling time, and reducing the assembly efficiency of the vehicle door. And the sound door of inhaling of this application through improvement door protecting plate 3 structure, increases a plurality of joint couples 36 for fixed sound cotton 4 of inhaling has avoided will inhaling all shortcomings of sound cotton welding on door protecting plate 3 together.
In the present application, the term "inside" and "outside" refers to a side facing the inside of the vehicle and a side facing the outside of the vehicle, based on the actual vehicle body structure.
In one embodiment, the sound absorbing door for the automobile comprises a door inner metal plate 12 and a door guard plate 3, wherein the inner surface of the door inner metal plate 12 is provided with a gluing contour line 121 along the contour thereof; door protection plate 3 fixed mounting is in the internal surface of door inner panel beating 12, and the one side of door protection plate 3 towards door inner panel beating 12 sets up a plurality of joint couples 36. The waterproof membrane 2 is pasted along the gluing contour line 121 of the metal plate 12 in the car door, and the sound absorption cotton 4 is arranged between the waterproof membrane 2 and the door guard plate 3. Further, inhale the sound door and still contain the cotton 5 of banding sealed bubble, sealed bubble is cotton 5 to encircle the setting along 3 circumference of door protecting plate, and tightly presss from both sides between panel beating 12 in door protecting plate 3 and the door. The sealing foam 5 is arranged at the edge of the door protection plate 3, so that the sealing performance between the door protection plate 3 and the metal plate 12 in the vehicle door is further enhanced, noise is sealed in the second sealing cavity 7, the noise is prevented from overflowing, and the noise level in a cab is further reduced; the technical problem that effective sealing cannot be formed due to the fact that the attaching degree of the edge of the door protection plate and the metal plate in the vehicle door in the prior art is poor is solved.
As shown in fig. 4, 5, 6 and 7, in one embodiment, the sound-absorbing door for an automobile comprises a door inner metal plate 12 and a door panel 3, wherein the inner surface of the door inner metal plate 12 is provided with a glue contour line 121 along the contour thereof; door protection plate 3 fixed mounting is in the internal surface of door inner panel beating 12, and the one side of door protection plate 3 towards door inner panel beating 12 sets up a plurality of joint couples 36. The waterproof membrane 2 is pasted along the gluing contour line 121 of the metal plate 12 in the car door, and the sound absorption cotton 4 is arranged between the waterproof membrane 2 and the door guard plate 3. Further, the door panel 3 includes a panel body and an edge sealing plate 31, the edge sealing plate 31 is vertically disposed around the periphery of the panel body, and the edge sealing plate 31 surrounds the sealing foam 5. The door protection plate 3 of this application sets up edge shrouding 31, has further strengthened the sealing performance of panel beating 12 in door protection plate 3 and the door, compresses tightly the enclosure with sealed bubble cotton 5, prevents to take place to leak the sound phenomenon.
In one embodiment, the sound absorbing door for the automobile comprises a door inner metal plate 12 and a door guard plate 3, wherein the inner surface of the door inner metal plate 12 is provided with a gluing contour line 121 along the contour thereof; door protection plate 3 fixed mounting is in the internal surface of door inner panel beating 12, and the one side of door protection plate 3 towards door inner panel beating 12 sets up a plurality of joint couples 36. The waterproof membrane 2 is pasted along the gluing contour line 121 of the metal plate 12 in the car door, and the sound absorption cotton 4 is arranged between the waterproof membrane 2 and the door guard plate 3. Furthermore, a plurality of circumferential support ribs 32 and a plurality of transverse support ribs 33 are arranged at the edge of the guard plate main body, the plurality of circumferential support ribs 32 are all parallel to the edge sealing plate 31, and the plurality of transverse support ribs 33 are all perpendicular to the guard plate main body and the circumferential support ribs 32; the plurality of circumferential support ribs 32 and the plurality of transverse support ribs 33 form an adhesive ring surface 34, and the sealing foam 5 is adhered to the adhesive ring surface 34. The utility model provides a inhale the sound door, the structure to original backplate main part is improved, border at the backplate main part sets up a plurality of hoop brace rod 32 and a plurality of horizontal brace rod 33, and form and paste anchor ring 34, make sealed bubble cotton 5 paste in pasting anchor ring 34, panel beating 12 is fixed in panel beating in the backplate that will take sealed bubble cotton 5 and the door again, further the sealed effect of having strengthened sealed bubble cotton 5 from the panel structure, simultaneously earlier install whole with the panel beating in the door, install panel beating 12 in the door again, the installation difficulty is reduced, the packaging efficiency is improved.
Preferably, the sealing foam 5 has a cross-sectional dimension of 10 x 10 mm.
As shown in fig. 8 and 9, in one embodiment, the sound absorbing door for an automobile comprises a door inner metal plate 12 and a door panel 3, wherein the inner surface of the door inner metal plate 12 is provided with a glue contour line 121 along the contour thereof; door protection plate 3 fixed mounting is in the internal surface of door inner panel beating 12, and the one side of door protection plate 3 towards door inner panel beating 12 sets up a plurality of joint couples 36. The waterproof membrane 2 is pasted along the gluing contour line 121 of the metal plate 12 in the car door, and the sound absorption cotton 4 is arranged between the waterproof membrane 2 and the door guard plate 3. Further, the clamping hook 36 comprises a straight part and a hook part, the straight part is perpendicular to the guard plate main body, the hook part and the straight part form an obtuse angle, and the length of the straight part is equal to the thickness of the sound-absorbing cotton 4; the hook parts of the plurality of clamping hooks 36 are in different directions. The hook parts face different clamping hooks 36, so that the sound-absorbing cotton 4 is installed and fixed, and the sound-absorbing cotton 4 can be prevented from moving towards one direction and loosening; the fluffy state of the fibers of the sound absorption cotton 4 can be well ensured, and compared with other screw fixation and welding fixation, the sound absorption cotton can better absorb noise; meanwhile, the sound absorption cotton 4 is installed, detached and replaced, the cost is low, and the popularization is high.
In one embodiment, the sound absorbing door for the automobile comprises a door inner metal plate 12 and a door guard plate 3, wherein the inner surface of the door inner metal plate 12 is provided with a gluing contour line 121 along the contour thereof; door protection plate 3 fixed mounting is in the internal surface of door inner panel beating 12, and the one side of door protection plate 3 towards door inner panel beating 12 sets up a plurality of joint couples 36. The waterproof membrane 2 is pasted along the gluing contour line 121 of the metal plate 12 in the car door, and the sound absorption cotton 4 is arranged between the waterproof membrane 2 and the door guard plate 3. Further, the sound-absorbing cotton 4 is provided with a plurality of notches, and the positions of the notches correspond to the positions of the clamping hooks 36 of the door guard plate 3 one by one. The notch which is arranged in advance on the sound-absorbing cotton 4 can be conveniently and quickly matched with the clamping hook 36 of the door guard plate 3, so that the mounting efficiency is improved; meanwhile, the notch arranged in advance can well ensure the original fiber fluffy state of the sound-absorbing cotton 4, and noise can be better absorbed. Preferably, the length of each cut is 15 mm.
In one embodiment, the sound absorbing door for the automobile comprises a door inner metal plate 12 and a door guard plate 3, wherein the inner surface of the door inner metal plate 12 is provided with a gluing contour line 121 along the contour thereof; door protection plate 3 fixed mounting is in the internal surface of door inner panel beating 12, and the one side of door protection plate 3 towards door inner panel beating 12 sets up a plurality of joint couples 36. The waterproof membrane 2 is pasted along the gluing contour line 121 of the metal plate 12 in the car door, and the sound absorption cotton 4 is arranged between the waterproof membrane 2 and the door guard plate 3. Furthermore, the edge of the waterproof membrane 2 is surrounded by the sealant 21, the shape of the sealant 21 corresponds to the adhesive contour line 121 of the metal plate 12 in the vehicle door, and the adhesive contour line 121 is matched with the sealant 21, so that the waterproof membrane can be effectively guided to be adhered and positioned. Meanwhile, the waterproof membrane 2 is provided with a plurality of structural mounting holes 22 because of structural functional requirements.
In one embodiment, the sound absorbing door for the automobile comprises a door inner metal plate 12 and a door guard plate 3, wherein the inner surface of the door inner metal plate 12 is provided with a gluing contour line 121 along the contour thereof; door protection plate 3 fixed mounting is in the internal surface of door inner panel beating 12, and the one side of door protection plate 3 towards door inner panel beating 12 sets up a plurality of joint couples 36. The waterproof membrane 2 is pasted along the gluing contour line 121 of the metal plate 12 in the car door, and the sound absorption cotton 4 is arranged between the waterproof membrane 2 and the door guard plate 3. Furthermore, the sound-absorbing cotton 4 is made of double-component sound-absorbing cotton, the double-component sound-absorbing cotton is of a multi-fiber flocculent structure, and one layer is high in density and the other layer is low in density. The double-component sound-absorbing cotton has a sound-insulating function on one side with high density, has a sound-absorbing function on one side with low density, can absorb noise in the second sealed cavity more efficiently, and improves sound-absorbing efficiency. The sound cotton is inhaled to two ingredients can absorb the noise that is in the second sealed chamber more high-efficiently, has promoted and has inhaled sound efficiency.
The application also discloses an installation method based on the sound-absorbing door for the automobile, which comprises the following steps:
s1: pasting the waterproof film 2 along the adhesive contour line 121 of the metal plate 12 in the vehicle door; meanwhile, the sound absorption cotton 4 is hung on the outward surface of the door guard plate 3. Specifically, waterproof membrane 2 pastes according to the guide of gluing contour line 121, and panel beating 12 forms first sealed cavity in waterproof membrane 2 and the door, and first sealed cavity can the separation most noise, and a small part of noise can pass first sealed cavity and get into in the second sealed cavity. The sound-absorbing cotton 4 is penetrated and fixed by all the clamping hooks 36, and the original sound-absorbing characteristic of the sound-absorbing cotton 4 is perfectly kept.
S2: the door panel 3 with the sound absorbing cotton 4 is fixedly mounted to the inner surface of the door inner panel 12. The door protection plate 3 and the inner metal plate 12 of the vehicle door form a second sealed cavity, and the sound absorption cotton 4 is positioned in the second sealed cavity to absorb sound.
Furthermore, the sound absorption door also comprises strip-shaped sealing foam 5, and the sealing foam 5 is arranged along the circumferential direction of the door protection plate 3 in a surrounding manner and is clamped between the door protection plate 3 and the inner sheet metal 12 of the vehicle door; the door guard plate 3 comprises a guard plate main body and an edge sealing plate 31, wherein the edge sealing plate 31 vertically surrounds the guard plate main body in the circumferential direction, and the edge sealing plate 31 surrounds the sealing foam 5; a plurality of circumferential support ribs 32 and a plurality of transverse support ribs 33 are arranged at the edge of the guard plate main body, the plurality of circumferential support ribs 32 are all arranged in parallel to the edge sealing plate 31, and the plurality of transverse support ribs 33 are all arranged perpendicular to the guard plate main body and the circumferential support ribs 32; the plurality of circumferential support ribs 32 and the plurality of transverse support ribs 33 form a sticking ring surface 34;
will inhale sound cotton 4 and hang and establish to door protecting plate 3 after the outside one side, still contain:
the sealing foam 5 is circumferentially adhered to the adhesive ring face 34 of the door panel 3.
Concretely, inhale the sound door and still contain the cotton 5 of banding sealed bubble, sealed bubble is cotton 5 to encircle the setting along 3 circumference of door protecting plate, and tightly presss from both sides between panel beating 12 in door protecting plate 3 and the door. The sealing foam 5 is arranged at the edge of the door protection plate 3, so that the sealing performance between the door protection plate 3 and the metal plate 12 in the vehicle door is further enhanced, noise is sealed in the second sealing cavity 7, the noise is prevented from overflowing, and the noise level in a cab is further reduced; the technical problem that effective sealing cannot be formed due to the fact that the attaching degree of the edge of the door protection plate and the metal plate in the vehicle door in the prior art is poor is solved. Step S1 further includes disposing the foam seal 5 on the circumferential edge of the door panel 3.
Further, the door panel 3 includes a panel body and an edge sealing plate 31, the edge sealing plate 31 is vertically disposed around the periphery of the panel body, and the edge sealing plate 31 surrounds the sealing foam 5. The door protection plate 3 of this application sets up edge shrouding 31, has further strengthened the sealing performance of panel beating 12 in door protection plate 3 and the door, compresses tightly the enclosure with sealed bubble cotton 5, prevents to take place to leak the sound phenomenon. In step S1, the sealing foam 5 is provided on the circumferential edge of the door panel 3 and surrounded by the edge sealing plate 31.
Furthermore, a plurality of circumferential support ribs 32 and a plurality of transverse support ribs 33 are arranged at the edge of the guard plate main body, the plurality of circumferential support ribs 32 are all parallel to the edge sealing plate 31, and the plurality of transverse support ribs 33 are all perpendicular to the guard plate main body and the circumferential support ribs 32; the plurality of circumferential support ribs 32 and the plurality of transverse support ribs 33 form an adhesive ring surface 34, and the sealing foam 5 is adhered to the adhesive ring surface 34. In step S1, the sealing foam 5 is circumferentially adhered to the adhering ring surface 34 of the door panel 3.
Further, the clamping hook 36 comprises a straight part and a hook part, the straight part is perpendicular to the guard plate main body, the hook part and the straight part form an obtuse angle, and the length of the straight part is equal to the thickness of the sound-absorbing cotton 4; the hook parts of the plurality of clamping hooks 36 are in different directions. A plurality of joint couples 36 that collude the portion orientation difference, play the fixed effect of installation to inhaling sound cotton 4, can prevent to inhale sound cotton 4 and move towards a direction and the pine takes off.
Further, the sound-absorbing cotton 4 is provided with a plurality of notches, and the positions of the notches correspond to the positions of the clamping hooks 36 of the door guard plate 3 one by one. The notch which is arranged in advance on the sound-absorbing cotton 4 can be conveniently and quickly matched with the clamping hook 36 of the door guard plate 3, so that the mounting efficiency is improved; meanwhile, the notch arranged in advance can well ensure the original fiber fluffy state of the sound-absorbing cotton 4, and noise can be better absorbed. In step S1, the notches of the sound-absorbing cotton 4 are aligned with the snap hooks 36 one by one.
Furthermore, the edge of the waterproof membrane 2 is surrounded by the sealant 21, the shape of the sealant 21 corresponds to the adhesive contour line 121 of the metal plate 12 in the vehicle door, and the adhesive contour line 121 is matched with the sealant 21, so that the waterproof membrane can be effectively guided to be adhered and positioned. Meanwhile, the waterproof membrane 2 is provided with a plurality of structural mounting holes 22 because of structural functional requirements.
Furthermore, the sound-absorbing cotton 4 is made of double-component sound-absorbing cotton, the double-component sound-absorbing cotton is of a multi-fiber flocculent structure, and one layer is high in density and the other layer is low in density. The double-component sound-absorbing cotton has a sound-insulating function on one side with high density, has a sound-absorbing function on one side with low density, can absorb noise in the second sealed cavity more efficiently, and improves sound-absorbing efficiency. The sound cotton is inhaled to two ingredients can absorb the noise that is in the second sealed chamber more high-efficiently, has promoted and has inhaled sound efficiency.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An automotive acoustic door, comprising:
the inner surface of the vehicle door inner metal plate (12) is provided with an adhesive contour line (121);
the door protection plate (3) is fixedly arranged on the inner surface of the inner metal plate (12) of the vehicle door, and a plurality of clamping hooks (36) are arranged on one surface, facing the inner metal plate (12) of the vehicle door, of the door protection plate (3);
a waterproof film (2) which is adhered to the sheet metal (12) in the vehicle door along the adhesive contour line (121);
inhale sound cotton (4), it sets up between water proof membrane (2) and door protective plate (3), and inhale sound cotton (4) and pierce through by all joint couple (36) and hang to establish fixedly.
2. The sound absorbing door for an automobile of claim 1, wherein: inhale the sound door and still contain banding sealed bubble cotton (5), sealed bubble cotton (5) encircle the setting along door protective plate (3) circumference, and tightly press from both sides between panel beating (12) in door protective plate (3) and the door.
3. The sound absorbing door for an automobile of claim 2, wherein: door protective plate (3) contain backplate main part and edge shrouding (31), edge shrouding (31) are perpendicular around setting up in backplate main part circumference, and edge shrouding (31) surround sealed bubble cotton (5).
4. The sound absorbing door for an automobile of claim 3, wherein: a plurality of circumferential support ribs (32) and a plurality of transverse support ribs (33) are arranged at the edge of the guard plate main body, the circumferential support ribs (32) are all arranged in parallel to the edge sealing plate (31), and the transverse support ribs (33) are all arranged in a manner of being perpendicular to the guard plate main body and the circumferential support ribs (32);
the plurality of circumferential support ribs (32) and the plurality of transverse support ribs (33) form a pasting ring surface (34), and the sealing foam (5) is pasted on the pasting ring surface (34).
5. The sound absorbing door for an automobile of claim 3, wherein: the clamping hook (36) comprises a straight part and a hook part, the straight part is perpendicular to the guard plate main body, the hook part and the straight part form an obtuse angle, and the length of the straight part is equal to the thickness of the sound absorption cotton (4); the hook parts of the clamping hooks (36) are different in orientation.
6. The sound absorbing door for an automobile of claim 1, wherein: the sound-absorbing cotton (4) is provided with a plurality of notches, and the positions of the notches correspond to the positions of the clamping hooks (36) of the door guard plate (3) one by one.
7. The sound absorbing door for an automobile of claim 1, wherein: the edge of the waterproof membrane (2) is provided with a sealant (21) in a surrounding manner, and the shape of the sealant (21) corresponds to the gluing contour line (121) of the sheet metal (12) in the vehicle door; the waterproof membrane (2) is provided with a plurality of structure mounting holes (22).
8. The sound absorbing door for an automobile of claim 1, wherein: the sound-absorbing cotton (4) is made of two components and is of a multi-fiber flocculent structure.
9. The method for installing the sound-absorbing door for the automobile according to claim 1, comprising the steps of:
pasting the waterproof film (2) along the gluing contour line (121) of the metal plate (12) in the vehicle door; meanwhile, the sound absorption cotton (4) is hung on one surface, facing the inner metal plate (12) of the vehicle door, of the door protection plate (3);
and installing and fixing the door guard plate (3) with the sound absorption cotton (4) to the inner surface of the inner metal plate (12) of the vehicle door.
10. The method of installing an automotive sound absorbing door according to claim 9, characterized in that: the sound absorption door also comprises strip-shaped sealing foam (5), and the sealing foam (5) is arranged along the circumferential direction of the door protection plate (3) in a surrounding manner and is clamped between the door protection plate (3) and the inner sheet metal (12) of the vehicle door; the door protection plate (3) comprises a protection plate main body and edge sealing plates (31), wherein the edge sealing plates (31) vertically surround the protection plate main body in the circumferential direction, and the edge sealing plates (31) surround the sealing foam (5); a plurality of circumferential support ribs (32) and a plurality of transverse support ribs (33) are arranged at the edge of the guard plate main body, the circumferential support ribs (32) are all arranged in parallel to the edge sealing plate (31), and the transverse support ribs (33) are all arranged in a manner of being perpendicular to the guard plate main body and the circumferential support ribs (32); the plurality of circumferential support ribs (32) and the plurality of transverse support ribs (33) form a sticking ring surface (34);
will inhale sound cotton (4) and hang and establish to door protecting plate (3) after the one side outwards, still contain:
the sealing foam (5) is adhered to the adhering ring surface (34) of the door guard plate (3) in a ring shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111537909.7A CN114043857A (en) | 2021-12-15 | 2021-12-15 | Automobile sound-absorbing door and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111537909.7A CN114043857A (en) | 2021-12-15 | 2021-12-15 | Automobile sound-absorbing door and installation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114043857A true CN114043857A (en) | 2022-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111537909.7A Pending CN114043857A (en) | 2021-12-15 | 2021-12-15 | Automobile sound-absorbing door and installation method thereof |
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| CN (1) | CN114043857A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030091806A1 (en) * | 2001-11-09 | 2003-05-15 | Staelgraeve Lee A. | Acoustic doorliner with integral water barrier |
| CN202071778U (en) * | 2011-05-05 | 2011-12-14 | 常州市泛亚汽车饰件有限公司 | Noise-reducing water-blocking film of automobile |
| CN203267943U (en) * | 2013-05-26 | 2013-11-06 | 温州市环球汽车衬垫有限公司 | Metal plate of roof inside automobile |
| CN203623552U (en) * | 2013-10-25 | 2014-06-04 | 延锋汽车饰件系统有限公司 | Automobile door guard board filled with sound insulation cotton |
| CN203902683U (en) * | 2014-06-13 | 2014-10-29 | 武汉和盛汽车零部件有限公司 | Matching structure for automobile door frame middle pillar cover plate and automobile door metal plate |
| CN207207951U (en) * | 2017-08-24 | 2018-04-10 | 阿尔特汽车技术股份有限公司 | The fixed structure of backplate acoustical cotton |
| CN207433419U (en) * | 2017-11-29 | 2018-06-01 | 丹阳金城配件有限公司 | Inner guard plate of automobile door assembly |
| CN208630516U (en) * | 2018-07-27 | 2019-03-22 | 重庆长安汽车股份有限公司 | A kind of sealing structure of car door inner board preformed hole |
| CN212373134U (en) * | 2020-04-09 | 2021-01-19 | 北京汽车股份有限公司 | Door and have its vehicle |
| CN212637367U (en) * | 2020-06-05 | 2021-03-02 | 江铃汽车集团有限公司 | Automobile fender noise reduction device and automobile |
| CN213799188U (en) * | 2020-11-30 | 2021-07-27 | 奇瑞商用车（安徽）有限公司 | Automobile door guard board reinforcing structure |
-
2021
- 2021-12-15 CN CN202111537909.7A patent/CN114043857A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030091806A1 (en) * | 2001-11-09 | 2003-05-15 | Staelgraeve Lee A. | Acoustic doorliner with integral water barrier |
| CN202071778U (en) * | 2011-05-05 | 2011-12-14 | 常州市泛亚汽车饰件有限公司 | Noise-reducing water-blocking film of automobile |
| CN203267943U (en) * | 2013-05-26 | 2013-11-06 | 温州市环球汽车衬垫有限公司 | Metal plate of roof inside automobile |
| CN203623552U (en) * | 2013-10-25 | 2014-06-04 | 延锋汽车饰件系统有限公司 | Automobile door guard board filled with sound insulation cotton |
| CN203902683U (en) * | 2014-06-13 | 2014-10-29 | 武汉和盛汽车零部件有限公司 | Matching structure for automobile door frame middle pillar cover plate and automobile door metal plate |
| CN207207951U (en) * | 2017-08-24 | 2018-04-10 | 阿尔特汽车技术股份有限公司 | The fixed structure of backplate acoustical cotton |
| CN207433419U (en) * | 2017-11-29 | 2018-06-01 | 丹阳金城配件有限公司 | Inner guard plate of automobile door assembly |
| CN208630516U (en) * | 2018-07-27 | 2019-03-22 | 重庆长安汽车股份有限公司 | A kind of sealing structure of car door inner board preformed hole |
| CN212373134U (en) * | 2020-04-09 | 2021-01-19 | 北京汽车股份有限公司 | Door and have its vehicle |
| CN212637367U (en) * | 2020-06-05 | 2021-03-02 | 江铃汽车集团有限公司 | Automobile fender noise reduction device and automobile |
| CN213799188U (en) * | 2020-11-30 | 2021-07-27 | 奇瑞商用车（安徽）有限公司 | Automobile door guard board reinforcing structure |
Non-Patent Citations (1)
| Title |
|---|
| 黄伯云: "《环境工程材料》", vol. 1, 中国铁道出版社, pages: 437 - 449 * |
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Application publication date: 20220215 |