CN107655509A - Pointer lighting installation - Google Patents
Pointer lighting installation Download PDFInfo
- Publication number
- CN107655509A CN107655509A CN201710607209.8A CN201710607209A CN107655509A CN 107655509 A CN107655509 A CN 107655509A CN 201710607209 A CN201710607209 A CN 201710607209A CN 107655509 A CN107655509 A CN 107655509A
- Authority
- CN
- China
- Prior art keywords
- light
- pointer
- main body
- dial plate
- lighting installation
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D13/00—Component parts of indicators for measuring arrangements not specially adapted for a specific variable
- G01D13/22—Pointers, e.g. settable pointer
- G01D13/28—Pointers, e.g. settable pointer with luminescent markings
Abstract
The present invention provides a kind of pointer lighting installation.Pointer lighting installation involved in the present invention has the housing of supporting dial plate, through dial plate and rotatable rotating shaft member, it is arranged to surround the light conductor of the tubular of rotating shaft member, it is arranged at the lower face side of light conductor and the light source of light is supplied to light conductor, it is supported in the pointer main body of the upper side of rotating shaft member and the translucency with the light receiving surface for receiving the light from light conductor upper surface, it is supported in pointer main body and the outside shading wall of extension is cylindrical in shape towards guide-lighting side, it is supported in housing and is cylindrical in shape the inner side shading wall of extension towards pointer main body side in the inner side of outside shading wall, with the flange part being arranged on the radially-outer surface of inner side shading wall, flange part is located on the upper surface of dial plate, the at least one of region of the upper surface of flange part has the reflecting part of the inside square lateral reflection of the light from upper side.Accordingly, the light leak from the gap between pointer main body and dial plate can fully be suppressed.
Description
Technical field
Pointer lighting installation used by the present invention relates to a kind of such as vehicle instrument.
Background technology
In the prior art, pointer lighting installation as follows is just practical：Formed with the material with translucency
The pointer main body rotated on dial plate (dial), the light from light sources such as LED is guided the pointer main body is lighted by light conductor.
In this pointer lighting installation, generally make the top for the rotating shaft member that pointer main body rotated
Pointer cap (pointer cap) covering that (front) and its surrounding are made up of light-proofness part.Accordingly, substantially light leak is pressed down
System.
However, that some light leaks occur for the gap between pointer cap and dial plate be present.
Thus, for example in pointer lighting installation 100 disclosed in patent document 1, as shown in fig. 7, in the light conductor of tubular
105 periphery upper lateral part is provided with the light-blocking member 108 of the tubular extended to the side of pointer main body 110, by making the light-blocking member 108
Concentric dual upper side surrounding wall portion 183,184 and pointer cap 111 it is diametrically overlapping (duplicate), to make light
Path is formed as labyrinth-like, accordingly, suppresses the light leak of the gap S between pointer cap 111 and dial plate 102.
Patent document 1：Japanese invention Patent Publication No 2005-156454
Patent document 2：Japanese invention license publication speciallys permit No. 3305297
However, in order to suppress light leak, it is necessary to substantially ensure that upper side surrounding wall portion 183,184 using structure as Fig. 7
With the stack height of pointer cap 111.Accordingly, there exist be difficult to substantially ensure that pointer main body 110 be used to rotate relative to dial plate
The problem of 102 space (clearance) is such.
In addition, as shown in fig. 7, by the upper side surrounding wall portion structure that diametrically dual (multiple) are arranged, it is
These upper side surrounding wall portions are housed in pointer cap, the radial dimension of pointer cap in itself can increase, set so as to there is outward appearance
Meter property reduces the problem of such.
On the other hand, for example in patent document 2, following structure is disclosed：One upper side surrounding wall portion is set, in pivot
The rear side in region sets light leak preventing portion, accordingly, light leak is prevented while the expansion of radial direction is prevented.However, in patent text
Offer in 2 structure, consisting of is needing to set the rotation center region of transmittance section to set light leak preventing portion, therefore, is being laid out
It is difficult to realize purpose opposite as printing opacity and light leak in same position in arrangement.In addition, in the structure of patent document 2,
The light radiated from light conductor reaches light leak preventing portion immediately, therefore the light of high brightness easily disperses, it is possible to can not be effectively
Prevent light leak.
The content of the invention
The present invention is created based on above opinion.It is an object of the present invention to provide one kind to substantially ensure that pointer
In the case of the space relative to dial plate for being used to rotate of main body, can also it prevent radial dimension of expansion from substantially simultaneously pressing down
Make the pointer lighting installation of the light leak in the gap between pointer main body and dial plate.
The present invention provides a kind of pointer lighting installation, it is characterised in that has：Housing, it supports dial plate；Rotate axle portion
Part, it is through the dial plate and can rotate；Light conductor, it is arranged to surround the rotating shaft member；Light source, it is to described
Light conductor supplies light；The pointer main body of translucency, it is supported in the upper side of the rotating shaft member, and is come from reception
The light receiving surface of the light of the light conductor；Outside shading wall, it is supported in the pointer main body, and towards the guide-lighting side
It is cylindrical in shape extension；Inner side shading wall, it is supported in the housing, in the inner side of the outside shading wall, towards the pointer
Main body side is cylindrical in shape extension；And flange part, it is arranged on the radially-outer surface of the inner side shading wall, the flange position
In on the upper surface of the dial plate, at least one of region of the upper surface of the flange part has reflecting part, the reflecting part
By the inside square lateral reflection of the light from upper side.
According to the present invention, at least one of region of the upper surface of flange part has reflecting part, and the reflecting part will come from
The inside square lateral reflection of the light of upper side, accordingly, substantially ensuring that the space relative to dial plate for being used to rotate of pointer main body
In the case of, the light leak that can also be adequately suppressed between inner side shading wall and outside shading wall.
Also, according to the present invention, the flange part in upper surface with reflecting part is located on the upper surface of dial plate.Accordingly, no
It is that the direct strong light from light conductor is directly reflected as the structure of patent document 2, but is reflected and (rebounded) by reflecting part
The light decayed through primary event (rebounding), therefore, compared with the patent document 2 scattered with making stronger light, it is easy to enter light
Row control, can effectively prevent light leak.That is, relative to the occurring source of light, remote position, which is provided with, in light path has reflecting part
Flange part, it is therefore prevented that the effect of light leak is bigger.
Preferably, the inner side shading wall is single wall.In this case, the situation with inner side shading wall for double wall
Compare, radial dimension can be reduced.
Additionally, it is preferred that being, the region of at least outer circumferential side of the upper surface of the flange part has the light from upper side
Multiple concentric frusto-conical faces of inside square lateral reflection.
Additionally, it is preferred that being, the angle of inclination of the multiple concentric frusto-conical face is smaller in inner circumferential side.In the situation
Under, more effectively light can be controlled.
Additionally, it is preferred that being, the height and position of the multiple concentric frusto-conical face is located at deeper position in inner circumferential side.
In this case, more effectively light can be controlled.
Brief description of the drawings
Fig. 1 is the general profile chart of the pointer lighting installation involved by one embodiment of the present invention.
Fig. 2 is the enlarged drawing of Fig. 1 rotation shaft portion.
Fig. 3 is the general profile chart of the variation of the upper surface of the flange part for the pointer lighting installation for representing Fig. 1.
Fig. 4 is the general profile chart of other variations of the upper surface of the flange part for the pointer lighting installation for representing Fig. 1.
Fig. 5 is the general profile chart of the another variation of the upper surface of the flange part for the pointer lighting installation for representing Fig. 1.
Fig. 6 is the general profile chart of the another variation of the upper surface of the flange part for the pointer lighting installation for representing Fig. 1.
Fig. 7 is the enlarged drawing (Fig. 2 based on patent document 1) of the rotation shaft portion of the pointer lighting installation of prior art.
Description of reference numerals
10：Pointer lighting installation；11：Housing；11a：Through hole；12：Display part light conductor；13：Display part dial plate；14：It is fine to lead
Body of light；15：Sootiness dial plate；16：Master calibration；17：Endless member；21：Rotating shaft member；22：Pointer supporting member；22w：Outside
Shading wall；23：Pointer cap；23w：Outside shading wall；31：LED light source；32：The light conductor of tubular；33：Pointer main body；40：Hide
Light part；41：Inner side shading wall；42：Flange part；100：The pointer lighting installation of prior art；102：Dial plate；105：It is guide-lighting
Body；108：Light-blocking member；110：Pointer main body；111：Pointer cap；183：1st upper side surrounding wall portion；184：2nd upper side perisporium
Portion.
Embodiment
Below, referring to the drawings, embodiments of the present invention are illustrated.
Fig. 1 is the general profile chart of the pointer lighting installation 10 involved by one embodiment of the present invention, and Fig. 2 is Fig. 1
Rotate the enlarged drawing of shaft portion.
As depicted in figs. 1 and 2, the pointer lighting installation 10 of present embodiment is configured to for motor vehicle revolution counter
(tachometer), there is the housing 11 of substantially disk pallet shape.Housing 11 has through hole 11a in central portion.
In addition, as shown in figure 1, the outer circumferential side in housing 11 is provided with the master calibration part 16 and endless member of circular
17。
In addition, as depicted in figs. 1 and 2, can be around the rotating shaft member 21 that the axis of itself rotates through the logical of housing 11
Hole 11a, the through hole of display part dial plate 13, the through hole of fine light conductor 14 and sootiness dial plate (smoked dial) 15 through hole and
Extension.
Also, as depicted in figs. 1 and 2, in the through hole 11a of housing 11, with order to be rotated without prejudice to rotating shaft member 21
And vacate enough gaps and surround the mode of the rotating shaft member 21, it is provided with substantially cylindric light conductor 32.
In addition, as depicted in figs. 1 and 2, it is provided with the lower face side of light conductor 32 for supplying light to light conductor 32
LED light source 31.LED light source 31 is configured with 3 with 120 ° of interval in the circumferential.
In addition, as depicted in figs. 1 and 2, in the upper side of rotating shaft member 21, it is supported with by pointer supporting member 22
Pointer main body 33.Pointer main body 33 is made up of the material of translucency, along the approximately axially vertical direction with rotating shaft member 21
Extension, and with light receiving surface (photoreception face) 33r for the light for being used to receive the upper surface 32u from light conductor 32.
In addition, as depicted in figs. 1 and 2, on pointer supporting member 22 and the pointer cap 23 supported by pointer main body 33, if
It is equipped with outside shading wall 22w, 23w that extension is cylindrical in shape towards the side of light conductor 32.
In addition, as depicted in figs. 1 and 2, in outside shading wall 22w, 23w inner side, light-blocking member 40 is supported in housing
11, the light-blocking member 40 provides the inner side shading wall 41 in substantially cylindric extension towards the side of pointer main body 33.
In addition, as depicted in figs. 1 and 2, light-blocking member 40, which has, to be arranged on the radially-outer surface of inner side shading wall 41
Flange (flange) portion 42.Also, the upper surface of flange part 42 has the shape of the inside square lateral reflection of the light from upper side.
Specifically, the upper surface of the flange part 42 of present embodiment has the inside square lateral reflection of the light from upper side
4 concentric frusto-conical faces (section is inclined plane) and each mutual barrel surface of frusto-conical face of connection (section is upright
Face), the section being integrally serrated.4 concentric frusto-conical faces of present embodiment have mutually the same width (radially
Length).
In addition, as depicted in figs. 1 and 2, housing 11 supports the sootiness extended relative to pointer main body 33 in the side of light conductor 32
Dial plate 15, flange part 42 are located on the upper surface of sootiness dial plate 15.
The pointer lighting installation 10 of present embodiment as according to more than, the upper surface of flange part 42 are upper with that will come from
4 concentric frusto-conical faces of the inside square lateral reflection of the light of square side, accordingly, substantially ensuring that pointer main body 33 is used to rotating
The space relative to sootiness dial plate 15 (in the case of height e), also can fully suppress to hide from inner side shading wall 41 and outside
Light leak between light wall 22w, 23w.
In addition, according to the pointer lighting installation 10 of present embodiment, can be without making to prevent light leak in multiple
In the case that side shading wall is overlapping, by the reflective shape of single inner side shading wall and flange top come effectively anti-leak-stopping
Light, accordingly, with respect to the overlapping structure of multiple inner side shading walls is made, diametrically can compactly it form.Therefore, house multiple
The diameter of the cap of inner side shading wall can also be formed smaller, and appearance design improves.
In addition, in the above embodiment, the entirety of the upper surface of flange part 42 have by the light from upper side to
The shape of inward side reflection, but the present invention is not limited to which, and the region of the outer circumferential side of the upper surface of flange part 42 has
By the shape of the inside square lateral reflection of the light from upper side.For example, the region of the inner circumferential side of the upper surface of flange part 42
It can be tabular surface as prior art.
In addition, in the above embodiment, the angle of inclination in the section of 4 concentric frusto-conical faces is 45 °, but
The present invention is not limited to which, as shown in Figure 3, or becomes smaller at inner circumferential side angle of inclination.Pass through such structure
Into when irradiation light, to the angle of inclination of the high outer circumferential side of the possibility of external leakage, angle becomes bigger, so that light
Reflected to inner circumferential side, therefore, being configured to light outwards will not more reveal in portion, also, by making angle diminish in inner circumferential side, to make light
Reflected again by the inner circumferential side side wall and light receiving surface of outside shading surface, hereby it is possible to effectively prevent light leak.In addition, in the feelings
Under condition, as shown in figure 4, the most region of inner side can also turn into tabular surface, (in this case, the quantity of frusto-conical face is changed into 3
It is individual).
In addition, in the above embodiment, the height and position (height of 4 concentric frusto-conical faces
Position it is) consistent (identical), but the present invention is not limited to which, as shown in figure 5, can also become deeper in inner circumferential side
(that is, the height and position of frusto-conical face becomes more on the lower in inner circumferential side in Figure 5).By so forming, when light irradiation,
Just become more shallow (that is, the height and position of frusto-conical face in Figure 5 to the high outer circumferential side height of the possibility of external leakage
It is closer to the top), therefore light more reflects to inner circumferential side, being thus configured to light more will not outwards portion's leakage (structure), and passing through
Height is reduced in inner circumferential side to make the inner circumferential side side wall and light receiving surface reflected light of outside shading surface again, hereby it is possible to effectively
Ground prevents light leak.In addition, in this case, as shown in fig. 6, (in this case, the region of most inner side can also be changed into tabular surface
The quantity of frusto-conical face is changed into 3).
In addition, in the above embodiment, as make to come from above the light of side inwardly the shape of square lateral reflection and use
Frusto-conical face, but the present invention is not limited to which, for example, the upper surface of flange part can also have truncated polygonal pyramid face
With each mutual multi-prismatic surface in truncated polygonal pyramid face of connection (section is vertical surface).
Claims (5)
- A kind of 1. pointer lighting installation, it is characterised in thatHave：Housing, it supports dial plate；Rotating shaft member, it is through the dial plate and can rotate；Light conductor, it is arranged to make it surround the rotating shaft member；Light source, it supplies light to the light conductor；The pointer main body of translucency, it is supported in the upper side of the rotating shaft member, and comes from the leaded light with receiving The light receiving surface of the light of body；Outside shading wall, it is supported in the pointer main body, and is cylindrical in shape extension towards the guide-lighting side；Inner side shading wall, it is supported in the housing, and in the inner side of the outside shading wall towards the pointer main body side It is cylindrical in shape extension；WithFlange part, it is arranged on the radially-outer surface of the inner side shading wall,The flange part is located on the upper surface of the dial plate,At least one of region of the upper surface of the flange part has reflecting part, the reflecting part by the light from upper side to Inward side reflects.
- 2. pointer lighting installation according to claim 1, it is characterised in thatThe inner side shading wall is single wall.
- 3. pointer lighting installation according to claim 1 or 2, it is characterised in thatThe reflecting part has multiple concentric frusto-conical faces of the inside square lateral reflection of the light from upper side.
- 4. pointer lighting installation according to claim 3, it is characterised in thatThe angle of inclination of the multiple concentric frusto-conical face is smaller in inner circumferential side.
- 5. pointer lighting installation according to claim 3, it is characterised in thatThe height and position of the multiple concentric frusto-conical face is deeper in inner circumferential side.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016145572A JP2018017523A (en) | 2016-07-25 | 2016-07-25 | Pointer illuminator |
| JP2016-145572 | 2016-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107655509A true CN107655509A (en) | 2018-02-02 |
Family
ID=61075763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710607209.8A Pending CN107655509A (en) | 2016-07-25 | 2017-07-24 | Pointer lighting installation |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2018017523A (en) |
| CN (1) | CN107655509A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736487A (en) * | 2018-07-18 | 2020-01-31 | 矢崎总业株式会社 | Pointer for vehicle display device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019188580A1 (en) * | 2018-03-26 | 2019-10-03 | 日本精機株式会社 | Pointer type gauge device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1309755A (en) * | 1969-09-16 | 1973-03-14 | Lucas Industries Ltd | Instruments for road vehicles |
| US6065846A (en) * | 1996-04-24 | 2000-05-23 | Denso Corporation | Indicating instrument having light conducting plate |
| JP2000193497A (en) * | 1998-12-28 | 2000-07-14 | Nippon Seiki Co Ltd | Pointer illumination apparatus |
| JP2004144583A (en) * | 2002-10-23 | 2004-05-20 | Denso Corp | Measuring instrument with light-emitting pointer |
| JP2009229372A (en) * | 2008-03-25 | 2009-10-08 | Calsonic Kansei Corp | Metering apparatus |
| JP2010164520A (en) * | 2009-01-19 | 2010-07-29 | Nippon Seiki Co Ltd | Indicating instrument |
-
2016
- 2016-07-25 JP JP2016145572A patent/JP2018017523A/en not_active Withdrawn
-
2017
- 2017-07-24 CN CN201710607209.8A patent/CN107655509A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1309755A (en) * | 1969-09-16 | 1973-03-14 | Lucas Industries Ltd | Instruments for road vehicles |
| US6065846A (en) * | 1996-04-24 | 2000-05-23 | Denso Corporation | Indicating instrument having light conducting plate |
| JP2000193497A (en) * | 1998-12-28 | 2000-07-14 | Nippon Seiki Co Ltd | Pointer illumination apparatus |
| JP2004144583A (en) * | 2002-10-23 | 2004-05-20 | Denso Corp | Measuring instrument with light-emitting pointer |
| JP2009229372A (en) * | 2008-03-25 | 2009-10-08 | Calsonic Kansei Corp | Metering apparatus |
| JP2010164520A (en) * | 2009-01-19 | 2010-07-29 | Nippon Seiki Co Ltd | Indicating instrument |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736487A (en) * | 2018-07-18 | 2020-01-31 | 矢崎总业株式会社 | Pointer for vehicle display device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018017523A (en) | 2018-02-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180202 |