CN202835200U - Rotary type dimming mechanism - Google Patents
Rotary type dimming mechanism Download PDFInfo
- Publication number
- CN202835200U CN202835200U CN 201220384305 CN201220384305U CN202835200U CN 202835200 U CN202835200 U CN 202835200U CN 201220384305 CN201220384305 CN 201220384305 CN 201220384305 U CN201220384305 U CN 201220384305U CN 202835200 U CN202835200 U CN 202835200U
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- shading
- light
- dimming mechanism
- shading column
- worm
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Abstract
The utility model discloses a rotary type dimming mechanism, and relates to a lighting device or a functional characteristic or a part of a system of the lighting device, in particular to a rotary dimming mechanism which changes characteristics and distribution of light by virtue of adjusting components. The rotary type dimming mechanism comprises a shading pillar 1, a worm wheel 2, a worm 3 and a stepping motor 4, wherein the worm wheel 2 is fixed on a shaft end of the shading pillar 1; the worm 3 is fixedly connected to a rotating shaft of the stepping motor 4; the stepping motor 4 is fixedly connected with a car lamp shell 5 through a fixed support 7; the stepping motor 4 is in meshed transmission connection with the shading pillar 1 through the worm wheel 2 and the worm 3 in order to drive the shading pillar 1 to rotate around the rotating center and show different section shapes on light paths of the car lamp; and the shading pillar can be designed into different special section shapes according to different rotation angles, in order to form shaded light shapes which are suitable for the requirements of distance and passing lights. The dimming process of the rotary type dimming mechanism is stable, the dimming motion is low in noise, the dimming mechanism is provided with an automatic locking function, so that the reliability is higher, and dimming a plurality of light shapes can be realized.
Description
Technical field
The utility model relates to functional character or the parts of a kind of lighting device or its system, relates in particular to by means of regulating parts to change luminous characteristic and the rotary dimming mechanism of distribution.
Background technology
Existing car light distance-light switching mechanism is to realize light modulation by the position of control shadow shield.What most dimming mechanisms used is that magnetic valve is as control element, by the distance-light position of stretching to switch shadow shield of magnetic valve.
Chinese utility model patent " automobile lamp with distance-light switching mechanism " (utility model patent number: ZL200620070826.6 publication number: CN2890620) disclose a kind of automobile lamp with distance-light switching mechanism, mainly comprise speculum, light source), light-distribution lens, rear end support is installed on the speculum, on the rear end support solenoid is housed, light-distribution lens is pressed in the front-end bracket through the lens stage clip, solenoid is housed on the front-end bracket, the filament shield switching mechanism is housed between forward and backward support.This utility model is installed on the distance-light merging in the same lamp chamber, has dwindled the installing space of distance-light assembly on car headlamp, realizes that by the filament shield switching mechanism automobile dimming-distance light switches.
Yet the shortcoming of above-mentioned light adjusting system is:
1, because the stretching motion speed of magnetic valve can send very large noise when driving the shadow shield light modulation, cause user's comfort to descend.The solenoid mechanism of filament shield upset also exists course of action to produce the problem of noise;
2, the stretching motion of magnetic valve is easily shaken with the vehicle body vibrations, causes the position of shadow shield to be shifted, and affects the stable of light modulation process and light shape.
The utility model content
The purpose of this utility model be to provide a kind of light modulation process steadily, without the rotary dimming mechanism of magnetic valve noise, adopt the variation of the rotary shading column realization dead line of stepper motor Worm Wheel System, solve existing car light distance-light switching mechanism light modulation process and light shape unstable, the technical problem that the light modulation action noise is large.
The utility model solves the problems of the technologies described above the technical scheme that adopts:
A kind of rotary dimming mechanism is connected on the lamp body, is comprised of shading element, transmission component and drive motors, and described shading element places on the light path of car light, it is characterized in that:
Described shading element is shading column 1, and described transmission component is the Worm Wheel System pair that worm gear 2 worm screws 3 form, and described drive motors is stepper motor 4;
Described worm gear 2 is fixedly connected on the axle head of shading column 1, and described worm screw 3 is fixedly attached in the rotating shaft of stepper motor 4, and described stepper motor 4 is fixedly attached on the lamp body 5 by fixed support 7;
Described stepper motor 4 is by worm screw 3 and worm gear 2, and the shading column 1 that is connected by meshing transmission drives shading column 1 around its pivot rotation, represents different cross sectional shapes in the light path of car light, forms the shading light shape that meets the distance-light requirement.
A kind of better technical scheme of rotary dimming mechanism of the present utility model, the both sides that it is characterized in that described lamp body 5 are respectively equipped with a bearing 6, the rotating shaft of described shading column 1 is pivotally connected on the lamp body 5 by described bearing 6, the top edge center of described shading column 1 is positioned at the light path center of car light.
A kind of better technical scheme of rotary dimming mechanism of the present utility model, it is characterized in that described shading column 1 adopts eccentric structure, the pivot of shading column 1 departs from the axle center of worm gear 2, when shading column 1 rotates extremely different angles in the axle center around worm gear 2, shading column 1 is by the combination of its peripheral curve and eccentric throw, represents different cross sectional shapes in the light path of car light.
A kind of improved technical scheme of rotary dimming mechanism of the present utility model, it is characterized in that described shading column 1 is designed to different cross sectional shapes in the different anglecs of rotation, described cross sectional shape blocks on the light path of car light, forms the light shape that meets the distance-light requirement.
The another kind of improved technical scheme of rotary dimming mechanism of the present utility model is characterized in that described rotary dimming mechanism and car light form integral structure, the elongation moulding part that described fixed support 7 is lamp bodies 5.
A kind of further improved technical scheme of rotary dimming mechanism of the present utility model is characterized in that described fixed support 7 extends to the both sides of lamp body 5, and described bearing 6 is connected to the two ends of fixed support 7; Described rotary dimming mechanism is assembled into independently dimming components, is fixedly attached on the lamp body 5 by fixed support 7 integral body.
The beneficial effects of the utility model are:
1. rotary dimming mechanism of the present utility model adopts the variation of the rotary shading column realization dead line of stepper motor Worm Wheel System, and the light modulation process is steady, has reduced the light modulation action noise;
2. rotary dimming mechanism of the present utility model adopts the turbine and worm transmission, has the function of self-locking, and the light modulation action that dimming mechanism can not be subjected to External Force Acting mistake to occur has higher reliability;
3. the rotary dimming mechanism of the present utility model dimming mechanism that overcome solenoid control can only be realized the shortcoming of distance light and two kinds of light shapes of dipped beam, can realize the light modulation of multiple light shape, and this can be so that dimming function be more perfect.
Description of drawings
Fig. 1 is the structural perspective of rotary dimming mechanism of the present utility model;
Fig. 2 is the front view of rotary dimming mechanism of the present utility model;
Fig. 3 is the top view of rotary dimming mechanism of the present utility model;
Fig. 4 is the schematic diagram of the eccentric structure of shading column.
The label of each parts among the above figure: 1-shading column, 2-worm gear, 3-worm screw, 4-stepper motor, 5-lamp body, 6-bearing, 7-fixed support.
The specific embodiment
In order to understand better technique scheme of the present utility model, describe in detail further below in conjunction with drawings and Examples.
Rotary dimming mechanism of the present utility model is connected on the lamp body 5, is comprised of shading element, transmission component and drive motors, and described shading element places on the light path of car light, and its structure as shown in Figure 1 to Figure 3.In the present embodiment, shading element is shading column 1, and transmission component is the Worm Wheel System pair that worm gear 2 worm screws 3 form, and drive motors is stepper motor 4; Worm gear 2 is fixedly connected on the axle head of shading column 1, and worm screw 3 is fixedly attached in the rotating shaft of stepper motor 4, and stepper motor 4 is fixedly attached on the lamp body 5 by fixed support 7.
According to the embodiment of Fig. 1 to rotary dimming mechanism of the present utility model shown in Figure 3, stepper motor 4 is by worm screw 3 and worm gear 2, the shading column 1 that is connected by meshing transmission drives shading column 1 around its pivot rotation, represents different specific sectional shape in the light path of car light.
Embodiment according to rotary dimming mechanism of the present utility model, the both sides of lamp body 5 are respectively equipped with a bearing 6, the rotating shaft of shading column 1 is pivotally connected on the lamp body 5 by bearing 6, the top edge center of shading column 1, be positioned at the light path center of car light, referring to using the represented light path center of chain-dotted line among Fig. 2 and Fig. 3.
The working method of rotary dimming mechanism of the present utility model is as follows: the rotation of stepper motor 4 is controlled by pulse, and each pulse meeting makes stepper motor turn over a specific angle.The rotation of stepping motor rotating shaft is rotated by worm gear 2 and worm screw 3 engagements and is changed the direction of rotating, and power is reached shading column 1.Umber of pulse according to stepper motor is different, can drive shading column 1 around the different angle of its pivot rotation, thereby represent different cross sectional shapes in the light path of car light, forms the shading light shape that meets the distance-light requirement.
According to another embodiment of rotary dimming mechanism of the present utility model, shading column 1 adopts eccentric structure, and the pivot of shading column 1 departs from the axle center of worm gear 2, expresses respectively the axle center of pivot and the worm gear 2 of shading column 1 in Fig. 4 with chain-dotted line.Shading column 1 is around the rotation of the axle center of worm gear 2 during to different angle, and shading column 1 is by the combination of its peripheral curve and eccentric throw, represents different cross sectional shapes in the light path of car light.
Rotary dimming mechanism of the present utility model, shading column 1 is designed to different specific sectional shape in the different anglecs of rotation, described specific sectional shape is blocked on the light path of car light, formation meets the shading light shape of distance-light requirement, can also design according to the requirement of shading and light modulation the shape of shading column 1, realize the light modulation of multiple light shape.
Rotary dimming mechanism of the present utility model can adopt and car light forms integral structure, and in this case, fixed support 7 and lamp body 5 are together by mold pressing or casting, and fixed support 7 is elongation moulding parts of lamp body 5.
Rotary dimming mechanism of the present utility model also can adopt the stand-alone assembly structure, and in this case, fixed support 7 extends to the both sides of lamp body 5, and the bearing 6 of both sides is connected to the two ends of fixed support 7; The shading column 1 of described rotary dimming mechanism, worm gear 2, worm screw 3 and stepper motor 4 connect as one by fixed support 7, are assembled into independently dimming components, are fixedly attached on the lamp body 5 by fixed support 7 integral body.
Those of ordinary skill in the art will be appreciated that; above embodiment illustrates the technical solution of the utility model; and be not to be used as restriction of the present utility model; any variation, modification of the above embodiment being done based on connotation of the present utility model all will drop in the protection domain of claim of the present utility model.
Claims (6)
1. rotary dimming mechanism, be connected on the lamp body, formed by shading element, transmission component and drive motors, described shading element places on the light path of car light, it is characterized in that: described shading element is shading column (1), described transmission component is the Worm Wheel System pair that worm gear (2) worm screw (3) forms, and described drive motors is stepper motor (4);
Described worm gear (2) is fixedly connected on the axle head of shading column (1), and described worm screw (3) is fixedly attached in the rotating shaft of stepper motor (4), and described stepper motor (4) is fixedly attached on the lamp body (5) by fixed support 7;
Described stepper motor (4) is by worm screw (3) and worm gear (2), and the shading column that is connected by meshing transmission (1) drives shading column (1) around its pivot rotation, represents different cross sectional shapes in the light path of car light.
2. rotary dimming mechanism according to claim 1, the both sides that it is characterized in that described lamp body (5) are respectively equipped with a bearing (6), the rotating shaft of described shading column (1) is pivotally connected on the lamp body (5) by described bearing (6), the top edge center of described shading column (1) is positioned at the light path center of car light.
3. rotary dimming mechanism according to claim 1, it is characterized in that described shading column (1) adopts eccentric structure, the pivot of shading column (1) departs from the axle center of worm gear (2), when shading column (1) rotates extremely different angles in the axle center around worm gear (2), shading column (1) is by the combination of its peripheral curve and eccentric throw, represents different cross sectional shapes in the light path of car light.
4. according to claim 1 to the described rotary dimming mechanism of arbitrary claim of 3, it is characterized in that described shading column (1) is designed to different cross sectional shapes in the different anglecs of rotation, described cross sectional shape blocks on the light path of car light, forms the light shape that meets the distance-light requirement.
5. according to claim 1 to the described rotary dimming mechanism of arbitrary claim of 3, it is characterized in that described rotary dimming mechanism and car light form integral structure, described fixed support (7) is the elongation moulding part of lamp body (5).
6. according to claim 1 to the described rotary dimming mechanism of arbitrary claim of 3, it is characterized in that described fixed support (7) extends to the both sides of lamp body (5), described bearing (6) is connected to the two ends of fixed support (7); Described rotary dimming mechanism is assembled into independently dimming components, is fixedly attached on the lamp body (5) by fixed support (7) integral body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220384305 CN202835200U (en) | 2012-08-03 | 2012-08-03 | Rotary type dimming mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220384305 CN202835200U (en) | 2012-08-03 | 2012-08-03 | Rotary type dimming mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202835200U true CN202835200U (en) | 2013-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220384305 Expired - Lifetime CN202835200U (en) | 2012-08-03 | 2012-08-03 | Rotary type dimming mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202835200U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798086A (en) * | 2012-08-03 | 2012-11-28 | 上海小糸车灯有限公司 | Rotary dimming mechanism |
| CN104748031A (en) * | 2013-12-27 | 2015-07-01 | 现代摩比斯株式会社 | Head lamp for vehicle |
-
2012
- 2012-08-03 CN CN 201220384305 patent/CN202835200U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798086A (en) * | 2012-08-03 | 2012-11-28 | 上海小糸车灯有限公司 | Rotary dimming mechanism |
| CN104748031A (en) * | 2013-12-27 | 2015-07-01 | 现代摩比斯株式会社 | Head lamp for vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee after: HUAYU VISION TECHNOLOGY (SHANGHAI) Co.,Ltd. Address before: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee before: SHANGHAI KOITO AUTOMOTIVE LAMP Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |