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Annular pointer motion structure for automobile meter

A technology of motion structure and automobile instrument, which is applied in the field of machinery, can solve the problems of unsatisfactory light guide uniformity and motion reliability, increase of length and bending angle of DIG instrument pointer, etc., and achieve compression thickness, reduce product cost, and simple structure Effect

Active Publication Date: 2012-12-26
YANFENG VISTEON AUTOMOTIVE ELECTRONICS
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] The object of the present invention is to provide a kind of movement structure of the circular pointer of the automobile instrument, the said movement structure of the circular pointer of the automobile meter should solve the problem of the increase of the length and bending angle of the pointer of the DIG meter in the prior art, the uniformity of light guide and the lack of movement reliability. ideal technical questions

Method used

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  • Annular pointer motion structure for automobile meter
  • Annular pointer motion structure for automobile meter
  • Annular pointer motion structure for automobile meter

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Embodiment 1

[0020] Such as figure 1 , figure 2 , image 3 with Figure 4 As shown, the circular pointer movement structure of the automobile instrument of the present invention includes a pointer 1 and a motor 2, and also includes an annular driven disc 3, a drive gear 4, a support frame 5 and a cover plate 6, and the outer circumference of the annular driven disc 3 There are teeth, the driving gear 4 is arranged on the output shaft of the motor 2, the teeth on the outer periphery of the annular driven disk 3 mesh with the driving gear, the pointer 1 is fixed on the inner edge of the annular driven disk 3, and driven along the ring The radial direction of the disk 3 is set, the support frame 5 is also in the shape of a ring, the cover plate 6 is in the shape of a ring, the ring-shaped driven disk 3 is arranged on the support frame 5, and the ring is from Between the moving plate 3 and the support frame 5 there is a moving pair along its circumference, the outer periphery of the cover ...

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Abstract

The invention discloses an annular pointer motion structure for an automobile meter, which comprises a pointer and a motor, wherein the pointer is arranged on an annular driven disc, the annular driven disc is arranged between a support bracket and a cover plate, and connected with the support bracket by a circumferential sliding pair, the outer circumference of the annular driven disc is engaged with a drive gear, and the drive gear is arranged on an output shaft of the motor. The annular driven disc transmits the motion of the motor to the pointer; the using space in the center of the meter is saved; plastic parts used for fixing a display screen are saved; the assembling process of the display screen is simplified; the thickness of the product is reduced; the corner of the pointer in the prior art is reduced; the optical uniformity of the lighted pointer is effectively improved; rolling balls slide in an annular rail groove of the support bracket to drive the annular driven disc and the pointer to rotate around the center, fewer spare parts that are simple in structure and convenient to assemble are adopted; and due to smaller rolling friction forces of the rolling balls, the drive burden of the motor is reduced, and the reliability of the motion structure is improved.

Description

Technical field: [0001] The invention relates to the mechanical field, in particular to a driving structure of an instrument pointer, in particular to a circular pointer movement structure of an automobile instrument. Background technique: [0002] With the digital development of automotive electronics, display screens are more and more widely used in automotive instrumentation, and the content required to be displayed is becoming more and more abundant. Many important driving information, safety information and entertainment information in the car need to be displayed through the display screen. [0003] At present, the most popular form of medium and high-end automotive instrumentation is DIG technology. The full name of DIG is Display In Gauge, that is, the display screen is displayed in the center of the instrument panel. The display screen is in the center of the watch head, which can not only maximize the display, but also have a very good appearance. At present, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K35/00G01D13/22
Inventor 孙世永王娜陆忠涛
Owner YANFENG VISTEON AUTOMOTIVE ELECTRONICS
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