CN207711919U - Noise control outside rear-view mirror - Google Patents
Noise control outside rear-view mirror Download PDFInfo
- Publication number
- CN207711919U CN207711919U CN201721662836.3U CN201721662836U CN207711919U CN 207711919 U CN207711919 U CN 207711919U CN 201721662836 U CN201721662836 U CN 201721662836U CN 207711919 U CN207711919 U CN 207711919U
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- China
- Prior art keywords
- car door
- bearing
- metal plate
- view mirror
- shield
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- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
Abstract
The utility model discloses a kind of noise control outside rear-view mirror, it includes shield and bearing, the shield is had angle with the bearing by fixing piece shape, and the bearing is arranged between the internal layer car door metal plate of a car door and outer layer car door metal plate, and the shield is located at the outside of the outer layer car door metal plate.Exposed connection type in the prior art can be changed into Embedded connection type by the noise control rearview mirror of the application, by the cooperation area for being embedded into car door metal plate to reduce with car door, drop the influence of low wind noise.
Description
Technical field
The utility model is related to automotive fields, are a kind of noise control outside rear-view mirror more specifically.
Background technology
General car air resistance coefficient 0.28-0.4, air resistance coefficient often reduce by 10%, and oil consumption declines 3%.Speed is in 100km/
H, 60% power output are used for resisting windage, and influence of the outside rear-view mirror to wind resistance coefficient of whole vehicle is about 0.01-0.03, so drop
Low rearview mirror windage is most important to reducing wind resistance coefficient of whole vehicle.
As the time that people drive on highway is increased, the requirement made an uproar to wind is also higher and higher, and people require
Prolonged traveling is unlikely to tired and uncomfortable on the way, and wind is made an uproar generally carries out 1. vehicle appearance and modelings of control in terms of three；
2. the design of partial structurtes and attachment；3. vehicle body seals.Outside rear-view mirror belongs to the body accessories near A-pillar region domain, is running over
A-pillar region domain air-flow is extremely complex in journey and air velocity is higher, and air-flow passes through, and outside rear-view mirror generates microseismic noise, belongs to bipolar
Sub- noise, as outside rear-view mirror is bad with metal plate sealing and will produce aspiration noise.
In vehicle windage and wind make an uproar control, outside rear-view mirror is always used as important parts and carries out moulding optimization, but
It is the shape-designing of present specification rearview mirror, the installation and sealing of specification rearview mirror and vehicle body, to reducing the effect of making an uproar of vehicle wind not
It can or lack.
Domestic contrast it is well-known be Tongji University's wind-tunnel, make an uproar to obtain smaller air resistance coefficient and smaller wind, often
Need working in concert for engineeraerodynamicist, moulding engineer, greasy filth engineer and design issue engineer, experimental arrangement compared with
It is expensive for complexity.
Low air resistance coefficient, low wind noise are the important development directions of Automobile Design and Manufacturing industry, and China this field also
Incongruent shape-designing and structure design are required with this two making repeated attempts, cause the development phase changes repeatedly, volume production
Consumer complains and without solution afterwards.
The bearing of existing outside rear-view mirror and the fixed form of vehicle body sheet metal be it is exposed, as shown in Figure 1, Figure 2 and Figure 3.
As shown, existing outside rear-view mirror includes shield 1 and bearing 2, the bottom of bearing 2 is provided with screw hole 21, by bearing
21 profit of screw hole be screwed on the outer layer car door metal plate 3 of car door.The major part that outside rear-view mirror is connect with car door is complete
Exposed, the contact area of such outside rear-view mirror and outer layer car door metal plate 3 is larger, and generation wind is made an uproar also to be increased with the probability of windage.
Utility model content
Since above-mentioned technical problem exists in the prior art, this application discloses a kind of noise control outside rear-view mirror, purposes
It is to drop low wind noise, windage by the structure for changing existing outside rear-view mirror.
Noise control outside rear-view mirror comprising shield and bearing, the shield form one 52 ° with the bearing by fixing piece
Angle, the bearing are arranged between the internal layer car door metal plate of a car door and outer layer car door metal plate, and the shield is located at described outer
The outside of layer car door metal plate.
It is preferred that the bearing is equipped with mounting hole, the mounting hole and the internal layer car door are passed through by screw
The bearing is fixed on car door by metal plate.
It is preferred that the fixing piece includes the first sealed connecting component and the second sealed connecting component, first sealing
Connector connects the shield with the bearing and is sealedly attached to the outer layer car door metal plate of the car door simultaneously；Described second is close
It seals connector and connects first sealed connecting component and the bearing.
Due to using the noise control rearview mirror of above-mentioned technological means, the application can be by exposed connection side in the prior art
Formula changes into Embedded connection type, by the cooperation area for being embedded into car door metal plate to reduce with car door, drops low wind noise
It influences.
Description of the drawings
Fig. 1 is the outside rear-view mirror installation diagram one of the prior art；
Fig. 2 is the outside rear-view mirror installation diagram two of the prior art；
Fig. 3 is Fig. 2 in A-A sectional views；
Fig. 4 is the scheme of installation of the outside rear-view mirror and car door of the application；
Fig. 5 is the side view of Fig. 4；
Fig. 6 is sectional views of the Fig. 4 in the directions B-B.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Shown in fig. 4 to fig. 6, the noise control outside rear-view mirror of the present embodiment includes shield 1 ' and bearing 2 ', the shield
1 ' forms one 52 ° of angles with the bearing 2 ' by fixing piece 4, which meets in embedded combination, and windage wind is made an uproar minimum.
The bearing 2 ' is arranged between the internal layer car door metal plate 5 of a car door and outer layer car door metal plate 6, and it is described outer that the shield is located at 1 '
The outside of layer car door metal plate 6.The noise control outside rear-view mirror of the application reduces the cooperation area between outside rear-view mirror and car door, reduces
The generation that wind is made an uproar.
It is shown in Figure 6, the bearing 2 ' be equipped with mounting hole 7, by screw pass through the mounting hole 7 and it is described in
Layer car door metal plate 5, the bearing 2 ' is fixed on car door.The fixing piece 4 includes the first sealed connecting component 41 and second
Sealed connecting component 42, first sealed connecting component 41 connect the shield 1 ' and the bearing 2 ' and are sealedly attached to institute simultaneously
State the outer layer car door metal plate 6 of car door.First sealed connecting component 41 will be close between shield and bearing 2 ' and outer layer car door metal plate 6
Envelope reduces the gap between bearing 2 ' and outer layer car door metal plate 6, drops low wind noise and windage.Second sealed connecting component 42 connects
First sealed connecting component 41 and the bearing 2 ' are connect, the connection between the first sealed connecting component 41 and bearing 2 ' is stablized.
Exposed connection type in the prior art can be changed into Embedded connection by the noise control rearview mirror of the application
Mode drops the influence of low wind noise by the cooperation area for being embedded into car door metal plate to reduce with car door.
Embodiments described above is merely to illustrate the utility model rather than limitation the scope of the utility model.This
The equivalent changes and modifications that field technology personnel do the utility model should all belong to the utility model the attached claims
The covering scope of book.
Claims (3)
1. noise control outside rear-view mirror comprising shield and bearing, which is characterized in that the shield passes through fixing piece with the bearing
52 ° of angles are formed, the bearing is arranged between the internal layer car door metal plate of a car door and outer layer car door metal plate, and the shield is located at
The outside of the outer layer car door metal plate.
2. noise control outside rear-view mirror according to claim 1, which is characterized in that the bearing is equipped with mounting hole, passes through spiral shell
Silk passes through the mounting hole and the internal layer car door metal plate, and the bearing is fixed on car door.
3. noise control outside rear-view mirror according to claim 1, which is characterized in that the fixing piece includes the first sealed connecting component
And second sealed connecting component, first sealed connecting component connect the shield and the bearing and are sealedly attached to institute simultaneously
State the outer layer car door metal plate of car door；Second sealed connecting component connects first sealed connecting component and the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721662836.3U CN207711919U (en) | 2017-12-04 | 2017-12-04 | Noise control outside rear-view mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721662836.3U CN207711919U (en) | 2017-12-04 | 2017-12-04 | Noise control outside rear-view mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207711919U true CN207711919U (en) | 2018-08-10 |
Family
ID=63059455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721662836.3U Active CN207711919U (en) | 2017-12-04 | 2017-12-04 | Noise control outside rear-view mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207711919U (en) |
-
2017
- 2017-12-04 CN CN201721662836.3U patent/CN207711919U/en active Active
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant |