CN103895471B - Automotive sunshade panel - Google Patents
Automotive sunshade panel Download PDFInfo
- Publication number
- CN103895471B CN103895471B CN201410126685.4A CN201410126685A CN103895471B CN 103895471 B CN103895471 B CN 103895471B CN 201410126685 A CN201410126685 A CN 201410126685A CN 103895471 B CN103895471 B CN 103895471B
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- China
- Prior art keywords
- shaft section
- rotating shaft
- shaft
- clamp spring
- diameter
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003921 oil Substances 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000003245 working effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Pivots And Pivotal Connections (AREA)
- Window Of Vehicle (AREA)
Abstract
The open a kind of automotive sunshade panel of the present invention, it relates to technical field of automotive trim, for solving short problem in automotive sunshade panel work-ing life. Described automotive sunshade panel comprises: pedestal, the rotating shaft being fixedly arranged on pedestal, the U shape jump ring being clamped in rotating shaft, with the sun visor body that U shape jump ring is fixedly connected with; Wherein, the region that rotating shaft contacts with U shape jump ring comprises the first axle section and is positioned at the 2nd axle section at the first axle section two ends, first axle section has axial plane, and the width of axial plane is less than the diameter of the first axle section, the diameter of the first axle section is less than the diameter of the 2nd axle section, after sun visor body pastes top, the side card-tight part that U shape jump ring is relative with axial plane, a breach respectively it is provided with, and each breach is greater than the diameter of described 2nd axle section along the width being perpendicular on the direction of rotating shaft in the region relative with two section of the 2nd axle section. Automotive sunshade panel provided by the invention is used for blocking light, it is to increase driving safety.
Description
Technical Field
The invention relates to the technical field of automotive interior trim, in particular to an automobile sun visor.
Background
The automobile sun shield is a suspension part arranged above a front windshield of an automobile, and is used for shielding sunlight when the automobile runs towards the sun direction, so that the driving safety is improved. A conventional sun visor for a vehicle includes: the automobile sun shield comprises a base fixedly connected with an automobile ceiling, a rotating shaft fixedly arranged on the base, and a sun shield body sleeved on the rotating shaft; the sun shield comprises a sun shield body, a rotating shaft and a U-shaped clamp spring, wherein the U-shaped clamp spring is arranged in the shaft hole of the sun shield body matched with the rotating shaft, and an axial plane is arranged on a shaft section of the rotating shaft contacted with the U-shaped clamp spring. When the sun shield is used, the sun shield body can stay at any position and automatically abut against the top by utilizing the torque generated by the friction force between the U-shaped clamp spring and the rotating shaft.
However, the inventor of the present application finds that, in the above-mentioned car sun visor structure, shaft sections of the rotating shaft contacting with the U-shaped snap spring are all of equal diameter, and in order to ensure that the sun visor body can stay at any position and automatically abut against the sun visor body, friction between the U-shaped snap spring and the rotating shaft is large, which causes the rotating shaft and the U-shaped snap spring to be worn too fast, and seriously affects the service life of the car sun visor.
Disclosure of Invention
The invention aims to provide an automobile sun visor, which reduces the abrasion between a clamp spring and a rotating shaft and prolongs the service life of the automobile sun visor on the premise of ensuring that a sun visor body can stay at any position and automatically cling to the top.
In order to achieve the above purpose, the invention provides the following technical scheme:
a sun visor for a vehicle, comprising: the sun shield comprises a base, a rotating shaft fixedly arranged on the base, a U-shaped clamp spring clamped on the rotating shaft, and a sun shield body fixedly connected with the U-shaped clamp spring; wherein,
the contact area of the rotating shaft and the U-shaped clamp spring comprises a first shaft section and a second shaft section positioned at two ends of the first shaft section, the first shaft section is provided with an axial plane communicated with two ends of the first shaft section, the width of the axial plane is smaller than the diameter of the first shaft section, the diameter of the first shaft section is smaller than that of the second shaft section, and the diameter of the second shaft section is smaller than that of the rotating shaft except for the first shaft section and the second shaft section;
after the sun shield body is attached to the top, a notch is respectively arranged in an area, opposite to the two sections of the second shaft sections, of a clamping part on one side, opposite to the axial plane, of the U-shaped clamp spring, and the width of each notch in the direction perpendicular to the rotating shaft is larger than the diameter of each second shaft section.
Preferably, a shaft hole is formed in the edge of one side of the sun shield body, the U-shaped clamp spring is installed in the shaft hole, and the rotating shaft is inserted into the shaft hole and the U-shaped clamp spring.
Preferably, a clamp spring seat is fixedly arranged on one side edge of the sun visor body, and the clamp spring seat is provided with a channel for installing a U-shaped clamp spring and the rotating shaft.
Preferably, the first shaft section is provided with an oil reservoir for storing lubricating oil, the opening of the oil reservoir being located in the axial plane.
In the automobile sun visor provided by the invention, the area of the rotating shaft which is held by the U-shaped clamp spring is divided into three sections: the diameter of the first shaft section is smaller than that of the second shaft section, and the diameter of the second shaft section is smaller than that of the region of the rotating shaft except the first shaft section and the second shaft section; and two ends of one side of the U-shaped clamp spring are clamped and supplemented with a notch respectively. After the U-shaped clamp spring is installed on the rotating shaft, the diameter of the first shaft section is smaller than that of the second shaft section, so that the interference amount between the U-shaped clamp spring and the two second shaft sections is larger than that between the U-shaped clamp spring and the first shaft section, the torque of the sun shield body which can stay at any position is mainly provided by the friction force generated between the U-shaped clamp spring and the second shaft section, and the automatic top contact of the sun shield body is provided by the friction force generated between the U-shaped clamp spring and the first shaft section.
According to the scheme, the U-shaped clamp spring is only in contact with the cambered surface of the second shaft section due to the fact that the U-shaped clamp spring is not provided with the clamping portion on one side of the notch, the cambered surface of the second shaft section is not in contact with the clamping portion on one side of the notch, friction force between the U-shaped clamp spring and the rotating shaft is reduced, abrasion between the rotating shaft and the U-shaped clamp spring is reduced, and the service life of the automobile sun shield is prolonged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a perspective view of a sun visor for a vehicle according to an embodiment of the present invention;
FIG. 2 is a front view of the spindle of FIG. 1;
FIG. 3 is a rear view of the spindle of FIG. 1;
FIG. 4 is a front view of the U-shaped clamp spring of FIG. 1;
FIG. 5 is a rear view of the U-shaped clamp spring of FIG. 1;
FIG. 6 is a side view of the U-shaped clamp spring in FIG. 1;
FIG. 7 is a front view of the rotating shaft with a U-shaped clamp spring mounted thereon;
FIG. 8 is a diagram showing the relationship between the U-shaped clamp spring and the second shaft section at the section A-A in FIG. 7;
fig. 9 is a mutual position relation diagram of the U-shaped clamp spring and the first shaft section when the sun visor body stays at any position under the section B-B in fig. 7;
fig. 10 is a diagram of the mutual position relationship between the U-shaped clip and the first shaft section when the sun visor body starts to automatically jack back at the section B-B in fig. 7;
fig. 11 is a mutual position relationship diagram of the U-shaped clip spring and the first shaft section after the sun visor body automatically backs up under the section B-B in fig. 7.
Detailed Description
In order to further explain the sun visor for the automobile provided by the embodiment of the invention, the following detailed description is made in conjunction with the attached drawings of the specification.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, an embodiment of the present invention provides an automobile sun visor, which includes: the sun shield comprises a base 10, a rotating shaft 20 fixedly arranged on the base 10, a U-shaped clamp spring 30 clamped on the rotating shaft 20, and a sun shield body (not shown in the figure) fixedly connected with the U-shaped clamp spring 30; wherein,
the contact area of the rotating shaft 20 and the U-shaped clamp spring 30 comprises a first shaft section 21 and second shaft sections 22 positioned at two ends of the first shaft section 21, the first shaft section 21 is provided with axial planes 23 communicated with two ends of the first shaft section 21, the width of each axial plane 23 is smaller than the diameter of the first shaft section 21, the diameter of the first shaft section 21 is smaller than that of the second shaft section 22, and the diameter of the second shaft section 22 is smaller than that of the area of the rotating shaft 20 except the first shaft section 21 and the second shaft section 22;
after the sun visor body is attached, a notch 31 is respectively arranged in the area opposite to the two second shaft sections 22 of the clamping part at one side of the U-shaped clamp spring 30 opposite to the axial plane 23, and the width of each notch 31 in the direction perpendicular to the rotating shaft 20 is larger than the diameter of the second shaft section 22.
During specific implementation, the rotating shaft 20 is fixedly installed on the base 10, the base 10 is fixedly installed on other parts of the automobile ceiling or the automobile body, the U-shaped clamp spring 30 is clamped on the rotating shaft, and the sun visor body and the rotating shaft are mainly connected in the following two ways: in one direct connection, a shaft hole is formed in the edge of one side of the sun shield body, the U-shaped clamp spring 30 is installed in the shaft hole, and the rotating shaft 20 is inserted into the shaft hole and the U-shaped clamp spring 30; the other is indirect connection, a clamp spring seat is fixedly arranged at the edge of one side of the sun shield body, the clamp spring seat is provided with a channel for installing a U-shaped clamp spring 30 and a rotating shaft 20, and the rotating shaft 20 is inserted in the channel of the clamp spring seat and the U-shaped clamp spring 30.
The contact area 20 of the rotating shaft 20 and the U-shaped clamp spring 30 is divided into three sections: one section is a first shaft section 21, and two sections of second shaft sections 22 are located at two ends of the first shaft section 21, wherein the first shaft section 21 has an axial plane 23 communicating with two ends of the first shaft section 21, the width of the axial plane 23 is smaller than the diameter of the first shaft section 21, and after the base 10 is fixedly mounted on a car roof or other parts of a car body, the axial plane 23 faces the car roof. After the U-shaped clamp spring 30 is mounted on the rotating shaft 20, please refer to fig. 7 and 8, the clamping portion on one side of the U-shaped clamp spring 30 without the notch 31 contacts with the arc surface of the second shaft section 22, and the clamping portion on one side of the U-shaped clamp spring 30 without the notch 31 does not contact with the arc surface of the second shaft section 22; when the sun visor body is attached to the roof, the clamping part at one side of the U-shaped clamp spring 30 with two notches 31 is opposite to the automobile roof.
Referring to fig. 8, 9, 10 and 11, since the diameter of the first shaft section 21 is smaller than that of the second shaft section 22, the diameter of the second shaft section 22 is smaller than that of the region of the rotating shaft 20 except the first shaft section 21 and the second shaft section 22; after the U-shaped snap spring 30 is installed on the rotating shaft 20, the interference amount between the U-shaped snap spring 30 and the two second shaft sections 22 is greater than the interference amount between the U-shaped snap spring 30 and the first shaft section 21, that is, the friction force generated between the U-shaped snap spring 30 and the second shaft sections 22 is greater than the friction force generated between the U-shaped snap spring 30 and the first shaft section 21, so that the torque that the sun visor body can stay at any position is mainly provided by the friction force generated between the U-shaped snap spring 30 and the second shaft sections 22, and the torque that the sun visor body can automatically abut against is mainly provided by the friction force generated between the U-shaped snap spring 30 and the first shaft section 21.
From the above, because the U-shaped clamp spring 30 only does not have the cambered surface contact of one side joint portion of breach 31 and second shaft section 22, the cambered surface contactless of one side chucking part that has breach 31 and second shaft section 22 has reduced the frictional force between U-shaped clamp spring 30 and the pivot 20 to alleviate the wearing and tearing between pivot 22 and the U-shaped clamp spring 30, and then prolonged car sun visor's life. In addition, because the diameter of the first shaft section 21 is smaller than that of the second shaft section 22, and the diameter of the second shaft section 22 is smaller than that of the region of the rotating shaft 20 except the first shaft section 21 and the second shaft section 22, a first step is respectively formed at two ends of the first shaft section 21, and a second step is respectively formed at one end of the two second shaft sections 22 far away from the first shaft section 21; after the U-shaped clamp spring 30 is installed on the rotating shaft 20, the two second steps axially position the U-shape to prevent the U-shaped clamp spring 30 from being dislocated or separated from the first shaft section 21 and the second shaft section 22.
In order to reduce wear between the U-shaped circlip 30 and the first shaft section 21, in a preferred embodiment the first shaft section 21 is provided with an oil reservoir (not shown) for storing lubricating oil, the opening of which is located in the axial plane 23; so design, through the lubrication of lubricating oil, can alleviate wearing and tearing between U-shaped jump ring 30 and the first shaft section 21 to extension car sun visor's life, in addition, can also alleviate the noise that produces when U-shaped jump ring 30 revolves rotation 20.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. A sun visor for a vehicle, comprising: the sun shield comprises a base, a rotating shaft fixedly arranged on the base, a U-shaped clamp spring clamped on the rotating shaft, and a sun shield body fixedly connected with the U-shaped clamp spring; wherein,
the contact area of the rotating shaft and the U-shaped clamp spring comprises a first shaft section and a second shaft section positioned at two ends of the first shaft section, the first shaft section is provided with an axial plane communicated with two ends of the first shaft section, the width of the axial plane is smaller than the diameter of the first shaft section, the diameter of the first shaft section is smaller than that of the second shaft section, and the diameter of the second shaft section is smaller than that of the rotating shaft except for the first shaft section and the second shaft section;
after the sun shield body is attached to the top, a notch is respectively arranged in an area, opposite to the two sections of the second shaft sections, of a clamping part on one side, opposite to the axial plane, of the U-shaped clamp spring, and the width of each notch in the direction perpendicular to the rotating shaft is larger than the diameter of each second shaft section.
2. The sun visor according to claim 1, wherein an axial hole is provided at one side edge of the sun visor body, the U-shaped clip is mounted in the axial hole, and the rotating shaft is inserted into the axial hole and the U-shaped clip.
3. The sun visor according to claim 1, wherein a clip spring seat is fixedly arranged at one side edge of the sun visor body, and the clip spring seat is provided with a channel for installing a U-shaped clip spring and the rotating shaft.
4. The sun visor according to claim 1, wherein the first shaft section is provided with an oil reservoir for storing lubricating oil, and an opening of the oil reservoir is located in the axial plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410126685.4A CN103895471B (en) | 2014-03-31 | 2014-03-31 | Automotive sunshade panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410126685.4A CN103895471B (en) | 2014-03-31 | 2014-03-31 | Automotive sunshade panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103895471A CN103895471A (en) | 2014-07-02 |
| CN103895471B true CN103895471B (en) | 2016-06-08 |
Family
ID=50987180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410126685.4A Expired - Fee Related CN103895471B (en) | 2014-03-31 | 2014-03-31 | Automotive sunshade panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103895471B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106696653A (en) * | 2016-12-28 | 2017-05-24 | 广东东箭汽车用品制造有限公司 | Vehicle sunshade screen |
| JP6574819B2 (en) * | 2017-08-28 | 2019-09-11 | 矢崎総業株式会社 | Vehicle sun visor |
| CN110077202B (en) * | 2019-04-08 | 2019-11-15 | 东阳市空想智能科技有限公司 | A kind of automotive sunshade panel |
| JP7481170B2 (en) | 2020-06-09 | 2024-05-10 | トヨタ自動車九州株式会社 | Vehicle sun visor support structure and vehicle sun visor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3706568A1 (en) * | 1987-02-28 | 1988-09-08 | Roth Gotthilf Gmbh | Spring and bearing for the frictional locking of a motor-vehicle sun visor |
| DE3717094A1 (en) * | 1987-05-21 | 1988-12-08 | Happich Gmbh Gebr | Sun visor for vehicles |
| DE102009025406A1 (en) * | 2008-06-16 | 2009-12-17 | Magna Donnelly Zaberfeld Gmbh | Interior fitting part i.e. tiltable sun visor, for motor vehicle, has bent pivoting arm provided with tapered bearing section that is rotatably supported in passage borehole and secured at attachment section using spring clamping plate |
| CN201538215U (en) * | 2009-10-30 | 2010-08-04 | 上海吉翔汽车车顶饰件有限责任公司 | Automotive sun visor capable of sliding laterally and lateral slide structure thereof |
| CN202896245U (en) * | 2012-09-27 | 2013-04-24 | 上海子元汽车零部件有限公司 | Shaft lever for sun shield of automobile |
-
2014
- 2014-03-31 CN CN201410126685.4A patent/CN103895471B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3706568A1 (en) * | 1987-02-28 | 1988-09-08 | Roth Gotthilf Gmbh | Spring and bearing for the frictional locking of a motor-vehicle sun visor |
| DE3717094A1 (en) * | 1987-05-21 | 1988-12-08 | Happich Gmbh Gebr | Sun visor for vehicles |
| DE102009025406A1 (en) * | 2008-06-16 | 2009-12-17 | Magna Donnelly Zaberfeld Gmbh | Interior fitting part i.e. tiltable sun visor, for motor vehicle, has bent pivoting arm provided with tapered bearing section that is rotatably supported in passage borehole and secured at attachment section using spring clamping plate |
| CN201538215U (en) * | 2009-10-30 | 2010-08-04 | 上海吉翔汽车车顶饰件有限责任公司 | Automotive sun visor capable of sliding laterally and lateral slide structure thereof |
| CN202896245U (en) * | 2012-09-27 | 2013-04-24 | 上海子元汽车零部件有限公司 | Shaft lever for sun shield of automobile |
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| Publication number | Publication date |
|---|---|
| CN103895471A (en) | 2014-07-02 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 |
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| CF01 | Termination of patent right due to non-payment of annual fee |