CN213199656U

CN213199656U - Car door back noise insulation

Info

Publication number: CN213199656U
Application number: CN202022344018.7U
Authority: CN
Inventors: 熊麒
Original assignee: Nanchang Zhiling Auto Parts Co ltd
Current assignee: Nanchang Zhiling Auto Parts Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-05-14
Anticipated expiration: 2030-10-20

Abstract

The utility model relates to the technical field of vehicle door sound insulation, in particular to a sound insulation device for the back of a vehicle door, which comprises a vehicle door, wherein a clamping strip is fixedly connected to the middle part of the inner side of the vehicle door, a sound insulation board is arranged below the clamping strip, round through holes are arranged at the peripheral corners of the top of a plate body of the sound insulation board, a limiting ring is arranged on the outer side of the round through holes, and a connecting column is inserted into the inner side of the limiting ring; the utility model discloses a sound-proof board that sets up, the rubber piece and the fixed strip that the cooperation set up, with inhale the sound cotton and make up when using, increased the hollow part's of whole door structural force on the one hand, also can make the sound insulating properties of door obtain improving simultaneously, and can not influence the normal use of door, and the sound-proof board that the bearing board cooperation that sets up through setting up, when connecting the use, utilize the cooperation between fixture block and the draw-in groove, can make the sound-proof board can be stable be connected with the inboard of door.

Description

Car door back noise insulation

Technical Field

The utility model relates to a door sound insulation technical field specifically is a car door back noise insulation.

Background

The door provides the passageway of cominging in and going out the vehicle for driver and passenger to isolated outer interference of car, alleviate side impact protection driver member to a certain extent, the pleasing to the eye of vehicle also is relevant with the molding of door, the good or bad mainly embodies the crashproof performance at the door, the sealing performance of door and the convenience of opening and shutting, in the in-service use of door, if external noise is too powerful, probably sees through the door and causes certain interference to the navigating mate. Therefore, the sound insulation performance of the vehicle door is also an important index.

The interior of the existing vehicle door is generally hollow, and a mechanical structure such as a door lock is installed in the interior. Therefore, a certain sound insulation effect can be obtained only by a glass facility in terms of sound insulation performance. But the sound insulation performance is relatively weak for the sound insulation of the hollow portion. Meanwhile, due to the manufacturing material of the vehicle door, the noise generated in the hollow area of the vehicle door is easily transmitted to the interior of the vehicle. We therefore propose an automotive door back acoustic baffle.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a car door back noise insulation possesses can be under the normal use's of not influencing the door the condition, carries out the advantage that improves to the sound insulating properties of door, has solved current door when using, and inner structure is comparatively simple, and the cavity of formation resonates with external sound easily to produce the problem of great noise.

The utility model discloses a car door back sound-proof device, including the door, the inboard middle part of door fixedly connected with card strip, the below of card strip is equipped with the acoustic celotex board, circular through-hole has all been seted up at the plate body top of acoustic celotex board edge all around, and this circular through-hole outside is equipped with the spacing ring, the inboard of spacing ring is pegged graft and is had the spliced pole, two square grooves have been seted up at the top of acoustic celotex board, and this square groove fixedly connected with fixed plate, a plurality of fixed strips of equipartition distance fixedly connected with in the left and right sides of fixed plate, three fixed strips, and keep the fixed distance between every two fixed strips, this fixed distance department fixedly connected with rubber piece, a plurality of bar recesses have been seted up at the top of rubber piece equidistance, and square recess has all been seted up in the positive top, when the positioning strip is used, the sound insulation board is connected with the inner side of the vehicle door in a combined manner better.

The utility model discloses a car door back noise insulation, wherein the bottom of acoustic celotex board is equipped with the bearing board, square groove has all been seted up with the bottom of acoustic celotex board to the top of bearing board, and this equal fixedly connected with of square groove department inhales the sound cotton, and two inhale all closely laminating between the sound cotton, through the bearing board that sets up, the acoustic celotex board that the cooperation set up and inhale the sound cotton for the sound insulation performance of door can obtain improving.

The utility model discloses a car door back noise insulation, wherein the circular recess has all been seted up to the top of acoustic celotex board and bearing board all around the edge, and other fixedly connected with fixture block and draw-in groove are equallyd divide to this circular recess department, just fixture block and draw-in groove adaptation of each other, circular through-hole has been seted up to the block department of fixture block, and this circular through-hole fixedly connected with spliced pole department can be so that can obtain stable being connected between acoustic celotex board and the bearing board when using through the fixture block that the spliced pole cooperation that sets up.

The utility model discloses a car door back noise insulation, wherein the inboard of draw-in groove is seted up threaded groove, and this threaded groove department links to each other with the outside screw thread of spliced pole, just the length of spliced pole equals the vertical length between acoustic celotex board and the draw-in groove, and the draw-in groove that sets up through the spliced pole cooperation that sets up can be convenient make the acoustic celotex board and the inboard of fixing at the door that the bearing board is stable.

The utility model discloses a car door back noise insulation, wherein two block departments that inhale the sound cotton impartial distance and seted up a plurality of recesses, and two inhale and be the dislocation between the sound cotton and arrange, and two inhale lug between the sound cotton all with recess looks adaptation, inhale the recess that the sound cotton was seted up in the cotton cooperation of inhaling of sound through setting up for inhale the sound cotton and can carry out the dislocation combination, make and inhale that the sound cotton is better to cooperate with the acoustic celotex board, play sound-proof effect.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a sound-proof board that sets up, the rubber piece and the fixed strip that the cooperation set up, make up with inhaling the sound cotton when using, the structural force of the cavity part of whole door has been increased on the one hand, also can make the sound insulation performance of door obtain improving simultaneously, and can not influence the normal use of door, and the sound-proof board that the bearing board cooperation that sets up through setting up sets up, when connecting and using, utilize the cooperation between fixture block and the draw-in groove, can make the sound-proof board can be stable be connected with the inboard of door, can not cause too big influence to the door, lug through the spliced pole cooperation setting that sets up, can be convenient when using with the inboard sound-proof board of door with inhale the sound cotton and part, thereby when need overhaul the change in later stage, can comparatively relax pull down.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a front view of the back of the door of the present invention;

FIG. 2 is a schematic view of the combination structure of the baffle and the supporting plate of the present invention;

FIG. 3 is a schematic view of the sound-absorbing cotton assembly of the present invention;

fig. 4 is the perspective view of the sound-absorbing cotton of the present invention.

In the figure: 01. a vehicle door; 02. a rubber block; 03. a fixing strip; 04. a limiting ring; 05. a fixing plate; 06. a positioning bar; 07. a sound insulating board; 08. connecting columns; 09. clamping the strip; 10. sound-absorbing cotton; 11. a support plate; 12. a clamping block; 13. a card slot; 14. and (4) a bump.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-4, the sound-insulating device for the back of the car door of the present invention includes a car door 01, a fastening strip 09 is fixedly connected to the middle portion of the inner side of the car door 01, a sound-insulating plate 07 is disposed below the fastening strip 09, circular through holes are disposed at the peripheral corners of the top of the sound-insulating plate 07, a spacing ring 04 is disposed at the outer side of the circular through hole, a connection post 08 is inserted into the inner side of the spacing ring 04, two square grooves are disposed at the top of the sound-insulating plate 07, a fixing plate 05 is fixedly connected to the square grooves, a plurality of fixing strips 03 are fixedly connected to the left and right sides of the fixing plate 05 at equal distances, three fixing strips 03 are provided, a fixed distance is maintained between every two fixing strips 03, a rubber block 02 is fixedly connected to the fixed distance, a plurality of strip grooves are disposed at equal distances at, this square groove fixedly connected with location strip 06, location strip 06 through the cooperation setting of the acoustic celotex board 07 that sets up when using can make acoustic celotex board 07 better carry out built-up connection with the inboard of door 01.

The bottom of acoustic celotex board 07 is equipped with bearing board 11, and square recess has all been seted up with acoustic celotex board 07's bottom to the top of bearing board 11, and this equal fixedly connected with of square recess department inhales sound cotton 10, and two inhale all closely laminating between the sound cotton 10, through the bearing board 11 that sets up, cooperate the acoustic celotex board 07 that sets up and inhale sound cotton 10 for the sound insulation performance of door 01 can obtain improving.

Circular recess has all been seted up to the top of acoustic celotex board 07 and supporting board 11 all around the edge, this circular recess department equally divide do not fixedly connected with fixture block 12 and draw-in groove 13, and fixture block 12 and draw-in groove 13 adaptation of each other, circular through-hole has been seted up to the block department of fixture block 12, this circular through-hole fixedly connected with spliced pole 08 of department, fixture block 12 through the spliced pole 08 cooperation setting that sets up, can be so that can obtain stable being connected between acoustic celotex board 07 and the supporting board 11 when using.

The threaded groove is formed in the inner side of the clamping groove 13, the threaded groove is connected with the outer side of the connecting column 08 in a threaded mode, the length of the connecting column 08 is equal to the vertical length between the sound insulation plate 07 and the clamping groove 13, and the clamping groove 13 formed by matching the connecting column 08 is convenient to enable the sound insulation plate 07 and the bearing plate 11 to be stably fixed on the inner side of the car door 01.

A plurality of recesses have been seted up to two block department impartial distances of inhaling cotton 10, and two are the dislocation and arrange between inhaling the cotton 10, and two are inhaled lug 14 between the cotton 10 of sound all with recess looks adaptation, inhale the recess that cotton 10 was seted up of sound through the cotton 10 cooperation of inhaling of sound that sets up for inhale the cotton 10 of sound and can carry out the dislocation combination, make inhale that cotton 10 of sound is better to cooperate with acoustic celotex board 07, play syllable-dividing effect.

When using the utility model discloses a time:

firstly, the vehicle door 01 is opened, the clamping strip 09 connected to the upper part is the telescopic part of the window glass, the bottom part is a hollow cavity, the sound insulation plate 07 and the bearing plate 11 can be stably utilized through the arranged limiting ring 04, the combination of the connecting column 08 is fixed in the hollow cavity of the vehicle door 01, the sound absorption cotton 10 connected with the inner sides of the sound insulation plate 07 and the bearing plate 11 is matched at the moment, the sound absorption cotton 10 can be better combined through the staggered arrangement of grooves between the sound absorption cotton 10, the sound insulation plate 07 and the bearing plate 11 can be better matched through the connected connecting column 08, after the matching is completed, the fixing plate 05 connected to the outer side of the sound insulation plate 07 is matched with the rubber block 02 and the fixing strip 03 to fill the inner side of the vehicle door 01, so that the supporting structural force in the hollow cavity of the vehicle door 01 is increased under the condition that the normal use of the vehicle door 01 is not influenced, meanwhile, a certain sound insulation effect is achieved, and the normal use of the whole vehicle door 01 is facilitated.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. An automobile door back sound-insulating device, includes door (01), its characterized in that: the middle part of the inner side of the vehicle door (01) is fixedly connected with a clamping strip (09), a sound insulation board (07) is arranged below the clamping strip (09), round through holes are formed in the peripheral corners of the top of the sound insulation board (07), a limiting ring (04) is arranged on the outer side of each round through hole, a connecting column (08) is inserted into the inner side of the limiting ring (04), two square grooves are formed in the top of the sound insulation board (07), a fixing plate (05) is fixedly connected to each square groove, a plurality of fixing strips (03) are fixedly connected to the left side and the right side of the fixing plate (05) at equal distances, three fixing strips (03) are arranged, a fixed distance is kept between every two fixing strips (03), a rubber block (02) is fixedly connected to each fixed distance, a plurality of strip-shaped grooves are formed in the top of the rubber block (02) at equal distances, and square grooves are formed in the top and the, the square groove is fixedly connected with a positioning strip (06).

2. The automotive door back sound insulator as set forth in claim 1, wherein: the bottom of acoustic celotex board (07) is equipped with bearing board (11), square recess has all been seted up with the bottom of acoustic celotex board (07) to the top of bearing board (11), and this equal fixedly connected with of square recess department inhales sound cotton (10), and two all closely laminate between sound cotton (10).

3. The automotive door back sound insulator as set forth in claim 1, wherein: circular grooves are formed in the corners of the periphery of the top of the sound insulation board (07) and the supporting board (11), the circular grooves are evenly distributed with the clamping blocks (12) and the clamping grooves (13) which are fixedly connected, the clamping blocks (12) are mutually matched with the clamping grooves (13), circular through holes are formed in the blocks of the clamping blocks (12), and connecting columns (08) are fixedly connected with the circular through holes.

4. The automotive door back sound insulator as set forth in claim 3, wherein: the inner side of the clamping groove (13) is provided with a threaded groove, the threaded groove is in threaded connection with the outer side of the connecting column (08), and the length of the connecting column (08) is equal to the vertical length between the sound insulation board (07) and the clamping groove (13).

5. The automotive door back sound insulator as set forth in claim 2, wherein: two a plurality of recesses have been seted up to the block department impartial distance of inhaling sound cotton (10), and two it arranges, and two to be the dislocation between inhaling sound cotton (10) lug (14) between sound cotton (10) all with recess looks adaptation.