CN103786651B - A kind of exterior mirror unit eliminating spring noise - Google Patents
A kind of exterior mirror unit eliminating spring noise Download PDFInfo
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- CN103786651B CN103786651B CN201410066487.3A CN201410066487A CN103786651B CN 103786651 B CN103786651 B CN 103786651B CN 201410066487 A CN201410066487 A CN 201410066487A CN 103786651 B CN103786651 B CN 103786651B
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- spring
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- bearing pin
- pad
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Abstract
The present invention discloses a kind of exterior mirror unit eliminating spring noise, be made up of substrate and folding motor, described substrate is movably connected on folding motor by bearing pin, this substrate is for installing eyeglass, its inside is provided with support holes, for holding bearing pin, described folding motor is fixed in car body side, for driving substrate rotating, described bearing pin one end is plugged in folding motor, this bearing pin outer wall is arranged with spring vertically, described end part of pin shaft is provided with back-up ring lid, in order to restraining spring, folding pad is provided with between described back-up ring lid and spring, described folding pad is POM plastic material, described folding pad is connected to substrate, described folding pad and spring can not relative to substrate rotating.The present invention is in folding process, and spring relative to substrate rotating, can not would not produce noise between such spring and substrate, thus it is better to make the present invention eliminate spring noise result.
Description
Technical field
The present invention relates to a kind of exterior mirror unit, be specifically related to a kind of exterior mirror unit can eliminating spring noise.
Background technology
The situation of automobile rearview mirror reflection automobile rear, side and below, make driver indirectly can see the situation of these positions clearly, it plays a part second eye, expands the field range of driver.Back mirror divides with installation site, divides and has outside rear-view mirror, lower back mirror and inside rear-view mirror.Divide with purposes, outside rear-view mirror reflection automotive back side, lower back mirror reflection automobile front lower place, inside rear-view mirror reflects situation in automobile rear and car.Purposes is different, and mirror surface structure also can be different.In order to make automobile when berthing, can reduce and take width, thus avoid generation wiping to touch phenomenon, therefore, outside rear-view mirror often adopts folding to design.Outside rear-view mirror is made up of rearview mirror base and back mirror head usually, and the matrix of rearview mirror base and back mirror head is hinged by rotating shaft, and in rotating shaft sheathed coil spring, described coil spring is fixed by the thrust washer be made of metal.Like this, back mirror head can rotate relative to rearview mirror base, achieves folder function.But this kind of structure in use, between coil spring and thrust washer, is understood the friction because of metal and metal, thus is produced noise; Meanwhile, between the matrix of coil spring and back mirror head, also because of the friction of metal and metal, thus noise can be produced.
The utility model patent of application number: CN201120051419.1, discloses a kind of exterior mirror unit.Described exterior mirror unit is made up of rearview mirror base and back mirror head, described back mirror head has at least one matrix, this matrix has the support holes for holding rotating shaft, described rotating shaft is connected with rearview mirror base, wherein, described rotating shaft is used as helical spring center shaft, and described coil spring is fixed by thrust washer and stop fork, and described thrust washer is made of plastics.Its advantage is: between helical spring upper surface and thrust washer, for the contact between metal with plastics coordinates, thus makes the minimum of not wishing generation; Its shortcoming is: between helical spring lower surface and matrix, be still that contact between metal with metal coordinates, and in folding process, coil spring can rotate relative to matrix, cause still to produce noise because of phase mutual friction between coil spring with matrix, thus also causing this kind of exterior mirror unit, the effect eliminating spring noise is unsatisfactory.
Therefore, we need the better exterior mirror unit of a kind of elimination spring noise result.
Summary of the invention
The object of the invention is to solve in above-mentioned prior art, exterior mirror unit in use, between coil spring and matrix, produces the problem of noise because of phase mutual friction, provides a kind of and eliminates the better exterior mirror unit of spring noise result.
For achieving the above object, the technical solution adopted in the present invention is as follows:
A kind of exterior mirror unit eliminating spring noise, be made up of substrate and folding motor, described substrate is movably connected on folding motor by bearing pin, this substrate is for installing eyeglass, its inside is provided with support holes, for holding bearing pin, described folding motor is fixed in car body side, for driving substrate rotating, described bearing pin one end is plugged in folding motor, this bearing pin outer wall is arranged with spring vertically, described end part of pin shaft is provided with back-up ring lid, in order to restraining spring, folding pad is provided with between described back-up ring lid and spring, described folding pad is POM plastic material, it is characterized in that: described folding pad is connected to substrate, described folding pad and spring can not relative to substrate rotating.
The side of described folding pad is provided with extension, U-shaped breach is provided with at the middle part of extension, boss is provided with in pad plane at the end vertical of extension, the roughness on the surface of described folding pad and spring contact is 1.6 ~ 3.2 μm, and the roughness on the surface that described folding pad contacts with back-up ring lid is 0.05 ~ 0.1 μm.
The support holes sidewall of described substrate is provided with groove, and this groove coordinates with the extension of folding pad, thus makes folding pad can not relative to substrate rotating, and the roughness of surface of described substrate and spring contact is 0.8 ~ 1.6 μm.
The roughness of surface of described spring and folding pad contacts is 6.3 ~ 12.5 μm.
The material of described bearing pin is aluminum alloy, and the back-up ring lid of described bearing pin and the roughness of surface of folding pad contacts are 0.1 ~ 0.4 μm.
The material of described bearing pin is plastics, and the back-up ring lid of described bearing pin and the roughness of surface of folding pad contacts are 0.1 ~ 0.2 μm.
Compared with prior art, the invention has the advantages that: folding pad is connected to substrate by the present invention, to ensure that folding pad can not relative to substrate rotating, simultaneously spring and folding pad, between spring and matrix, friction coefficient is larger, thus ensure in folding process, spring relative to substrate rotating, can not would not produce noise between such spring and substrate, thus it is better to make the present invention eliminate spring noise result.
Accompanying drawing explanation
Fig. 1 is the integral structure exploded perspective view of the embodiment of the present invention;
Fig. 2 is the longitudinal cross-sectional schematic of integral structure of the embodiment of the present invention;
Fig. 3 is the partial enlarged drawing of A in Fig. 2;
Fig. 4 is the schematic top plan view of folding pad in Fig. 1;
Fig. 5 is the front elevational schematic of folding pad in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, introduce a kind of embodiment of the present invention in detail.
As shown in Fig. 1 ~ Fig. 3, the embodiment of the present invention, a kind of exterior mirror unit eliminating spring noise, is made up of substrate 1 and folding motor 2, and substrate 1 is movably connected on folding motor 2 by bearing pin 3.Substrate 1 is for installing eyeglass, and its inside is provided with support holes 11, for holding bearing pin 3.Folding motor 2 is fixed in car body side, for driving substrate 1 to rotate, thus realizes the function of auto-folder.Bearing pin 3 one end is plugged in folding motor 2, and this bearing pin 3 outer wall is arranged with spring 4 vertically, and bearing pin 3 end is provided with back-up ring lid 31, in order to restraining spring 4.Be provided with folding pad 5 between back-up ring lid 31 and spring 4, folding pad 5 is POM plastic material.The design of the folding pad 5 of plastic material, the upper surface avoiding spring 4 directly and metallic contact, thus eliminates spring 4 upper surface and produces noise problem.Folding pad 5 of the present invention is connected to substrate 1, and in folding process, folding pad 5 can not rotate relative to substrate 1.Meanwhile, folding pad 5 lower surface contacts with the upper surface of spring 4, and the lower surface of spring 4 contacts with substrate 1 again.Folding between pad 5 and spring 4 by increasing like this, and the friction coefficient between spring 4 and substrate 1, thus spring 4 can not be rotated relative to substrate 1, like this, between spring 4 and substrate 1, would not noise be produced.
As shown in Figure 4 and Figure 5, the side of folding pad 5 is provided with extension 51, is provided with U-shaped breach 52, is provided with boss 53 at the end vertical of extension 51 in pad plane at the middle part of extension 51.Support holes 11 sidewall of substrate 1 is provided with groove (not shown), and this groove (not shown) coordinates with the extension 51 of folding pad 5, thus folding pad 5 can not be rotated relative to substrate 1.
The roughness on the surface that folding pad 5 contacts with spring 4 is 1.6 ~ 3.2 μm, and the roughness of surface that spring 4 contacts with folding pad 5 is 6.3 ~ 12.5 μm, and meanwhile, the roughness of surface that substrate 1 contacts with spring 4 is 0.8 ~ 1.6 μm.This kind is designed to ensure between folding pad 5 and spring 4, and has larger friction coefficient between substrate 1 and spring 4, thus ensures in folding process, and spring 4 can not rotate relative to substrate 1.In order to reduce the friction drag between folding pad 5 and back-up ring lid 31, the upper surface roughness of folding pad 5 is set to 0.05 ~ 0.1 μm.The material of bearing pin 3 is chosen as aluminum alloy, and the roughness of surface that its back-up ring lid 31 contacts with folding pad 5 is 0.1 ~ 0.4 μm.In addition, the material of bearing pin 3 is also chosen as plastics, and the roughness of surface that its back-up ring lid 31 contacts with folding pad 5 is 0.1 ~ 0.2 μm.
Below by reference to the accompanying drawings embodiments of the present invention are explained in detail; but the present invention is not limited to above-mentioned embodiment; in the ken that those of ordinary skill in the art possess; can also make various changes and modifications under the prerequisite not departing from present inventive concept, these changes and improvements all fall in the protection domain of application claims.
Claims (6)
1. eliminate the exterior mirror unit of spring noise for one kind, be made up of substrate (1) and folding motor (2), described substrate (1) is movably connected on folding motor (2) by bearing pin (3), this substrate (1) is for installing eyeglass, its inside is provided with support holes (11), for holding bearing pin (3), described folding motor (2) is fixed in car body side, rotate for driving substrate (1), described bearing pin (3) one end is plugged in folding motor (2), this bearing pin (3) outer wall is arranged with spring (4) vertically, described bearing pin (3) end is provided with back-up ring lid (31), in order to restraining spring (4), folding pad (5) is provided with between described back-up ring lid (31) and spring (4), described folding pad (5) is POM plastic material, it is characterized in that: described folding pad (5) is connected to substrate (1), described folding pad (5) and spring (4) can not rotate relative to substrate (1).
2. eliminate the exterior mirror unit of spring noise according to claim 1, it is characterized in that: the side of described folding pad (5) is provided with extension (51), U-shaped breach (52) is provided with at the middle part of extension (51), boss (53) is provided with in pad plane at the end vertical of extension (51), the roughness on the surface that described folding pad (5) contacts with spring (4) is 1.6 ~ 3.2 μm, and the roughness on the surface that described folding pad (5) contacts with back-up ring lid (31) is 0.05 ~ 0.1 μm.
3. eliminate the exterior mirror unit of spring noise according to claim 1, it is characterized in that: support holes (11) sidewall of described substrate (1) is provided with groove, this groove coordinates with the extension (51) of folding pad (5), thus folding pad (5) can not be rotated relative to substrate (1), the roughness of surface that described substrate (1) contacts with spring (4) is 0.8 ~ 1.6 μm.
4. eliminate the exterior mirror unit of spring noise according to claim 1, it is characterized in that: the roughness of surface that described spring (4) contacts with folding pad (5) is 6.3 ~ 12.5 μm.
5. eliminate the exterior mirror unit of spring noise according to claim 1, it is characterized in that: the material of described bearing pin (3) is aluminum alloy, the roughness of surface that the back-up ring lid (31) of described bearing pin (3) contacts with folding pad (5) is 0.1 ~ 0.4 μm.
6. eliminate the exterior mirror unit of spring noise according to claim 1, it is characterized in that: the material of described bearing pin (3) is plastics, the roughness of surface that the back-up ring lid (31) of described bearing pin (3) contacts with folding pad (5) is 0.1 ~ 0.2 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410066487.3A CN103786651B (en) | 2014-02-27 | 2014-02-27 | A kind of exterior mirror unit eliminating spring noise |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410066487.3A CN103786651B (en) | 2014-02-27 | 2014-02-27 | A kind of exterior mirror unit eliminating spring noise |
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| Publication Number | Publication Date |
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| CN103786651A CN103786651A (en) | 2014-05-14 |
| CN103786651B true CN103786651B (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410066487.3A Active CN103786651B (en) | 2014-02-27 | 2014-02-27 | A kind of exterior mirror unit eliminating spring noise |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104290663B (en) * | 2014-10-28 | 2016-04-20 | 麦格纳汽车镜像(上海)有限公司 | A kind of novel automobile rearview mirror fold mechanism |
| CN107719238B (en) * | 2017-09-30 | 2019-07-16 | 江门市宏力后视镜实业有限公司 | A kind of briquetting for rearview mirror assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3220893A1 (en) * | 1982-06-03 | 1983-12-08 | Hohe Kg, 6981 Collenberg | Exterior rearview mirror with restraining lever for vehicles |
| CN201300777Y (en) * | 2008-11-03 | 2009-09-02 | 麦格纳唐纳利(上海)汽车系统有限公司 | Rearview mirror with combination of mirror ring and base plate |
| CN201325377Y (en) * | 2008-11-07 | 2009-10-14 | 麦格纳唐纳利(上海)汽车系统有限公司 | Exterior rearview mirror with integral mirror frame |
| EP2415641A1 (en) * | 2010-08-03 | 2012-02-08 | SMR Patents S.à.r.l. | Seal and external rear view mirror assembly |
| CN202389293U (en) * | 2011-11-22 | 2012-08-22 | 清河县光盈汽车镜有限公司 | Automobile rearview mirror |
| CN203780418U (en) * | 2014-02-27 | 2014-08-20 | 麦格纳汽车镜像(上海)有限公司 | Outer rearview mirror device for eliminating spring noise |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000272421A (en) * | 1999-03-23 | 2000-10-03 | Ishizaki Honten:Kk | Turning support mechanism for external mirror |
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2014
- 2014-02-27 CN CN201410066487.3A patent/CN103786651B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3220893A1 (en) * | 1982-06-03 | 1983-12-08 | Hohe Kg, 6981 Collenberg | Exterior rearview mirror with restraining lever for vehicles |
| CN201300777Y (en) * | 2008-11-03 | 2009-09-02 | 麦格纳唐纳利(上海)汽车系统有限公司 | Rearview mirror with combination of mirror ring and base plate |
| CN201325377Y (en) * | 2008-11-07 | 2009-10-14 | 麦格纳唐纳利(上海)汽车系统有限公司 | Exterior rearview mirror with integral mirror frame |
| EP2415641A1 (en) * | 2010-08-03 | 2012-02-08 | SMR Patents S.à.r.l. | Seal and external rear view mirror assembly |
| CN202389293U (en) * | 2011-11-22 | 2012-08-22 | 清河县光盈汽车镜有限公司 | Automobile rearview mirror |
| CN203780418U (en) * | 2014-02-27 | 2014-08-20 | 麦格纳汽车镜像(上海)有限公司 | Outer rearview mirror device for eliminating spring noise |
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| CN103786651A (en) | 2014-05-14 |
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