JP2985926B2 - Indicating instrument - Google Patents

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【産業上の利用分野】本発明は、例えば車両に搭載され
る速度計，回転計，燃料計等の指示計器に関し、特に指
示計器に装着される指針の照明構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an indicator such as a speedometer, a tachometer or a fuel gauge mounted on a vehicle, and more particularly to an illumination structure of a pointer attached to the indicator.

【０００２】[0002]

【従来の技術】従来より自動車，オートバイ等車両のイ
ンストルメントパネルに搭載される指示計器の指針にお
いては、通常、夜間走行時やトンネル内走行時等の周囲
が暗い状況下でも運転者が指針の指示状態を視認できる
よう照明構造を備えている。2. Description of the Related Art Conventionally, a pointer of an indicating instrument mounted on an instrument panel of a vehicle such as an automobile or a motorcycle usually has a driver's operation even when the surroundings are dark such as when driving at night or in a tunnel. A lighting structure is provided so that the instruction state can be visually recognized.

【０００３】この種指示計器の指針を照明する構造とし
ては、アクリル等の良好な透光性材料からなる導光体に
より光源からの照明光を指針に導いて光輝させるもの
（例えば実開昭６３−１２８４２４号公報参照）が知ら
れているが、このような構造は指針と光源との間に導光
体を介在させることにより照明光の損失や減衰が大き
く、このため指針に発光ダイオード等の発光素子を近接
配置し、発光素子の照明光を指針にダイレクトに供給し
て明るく光輝させる構造が例えば実開平１−１３４２１
７号公報に開示されている。[0003] As a structure for illuminating the pointer of this type of indicating instrument, there is provided a structure in which an illuminating light from a light source is guided to the pointer by a light guide made of a good translucent material such as acryl so that the pointer shines (for example, Japanese Utility Model Application Laid-open No. 63-163). However, such a structure has a large loss or attenuation of illumination light by interposing a light guide between the pointer and the light source. A structure in which a light emitting element is arranged in close proximity and the illumination light of the light emitting element is directly supplied to the pointer to shine brightly is disclosed in, for example, Japanese Utility Model Laid-Open No. 1-1421.
No. 7 discloses this.

【０００４】図４は、このように指針にダイレクトに照
明光を供給し、指針照明を行うタイプの指示計器を示す
もので、同図において指示計器は、ケース40の底部42に
例えば走行速度等の計測量に応じて指針軸43を回動駆動
させる速度計からなる計器本体44を収納配設し、指針軸
43を文字，数字，指標等（図示しない）が前面に形成さ
れた表示板45の貫通孔46から挿通し、その先端に指針軸
43と略直交する方向に伸長形成された透光性材料からな
る指針47を圧入固定し、この指針47の回動中心領域とな
る基端部48に照明光を受光して指針47先端側に導き指針
47を光輝させる受光部49を設け、この受光部49に発光ダ
イオード等の発光素子50を臨ませて配置し、この発光素
子50を保持するホルダ51を、表示板45並びに指針47の前
面側に位置してケース40の開口部に配設される透明部材
からなる透視板52の固定孔53に嵌着し、この固定孔53の
前面側周辺部にホルダ51並びに指針47の基端部48周縁領
域を覆う目隠し部材54を設け、スイッチ55オンにより電
源56の電圧を透視板52の背面に形成された透明電極57を
介して発光素子50のリード端子58に供給することよって
発光素子50を発光させ、その照明光により指針47を光輝
させるよう構成している。FIG. 4 shows an indicating instrument of the type which supplies illumination light directly to the hands and illuminates the hands as shown in FIG. The instrument main body 44 comprising a speedometer for rotating the pointer shaft 43 in accordance with the measured amount of
43 is inserted through a through hole 46 of a display plate 45 having characters, numerals, indices, etc. (not shown) formed on the front surface, and a pointer shaft
A pointer 47 made of a translucent material elongated and formed in a direction substantially perpendicular to 43 is press-fitted and fixed, and illumination light is received at a base end portion 48 serving as a rotation center region of the pointer 47, and the pointer 47 is positioned at the tip end side. Guidance guidelines
A light receiving unit 49 for shining 47 is provided, and a light emitting element 50 such as a light emitting diode is arranged facing the light receiving unit 49, and a holder 51 holding the light emitting element 50 is provided on the front side of the display plate 45 and the pointer 47. The fixing hole 53 of the transparent plate 52 made of a transparent member is disposed at the opening of the case 40 and the peripheral edge of the holder 51 and the base end 48 of the pointer 47 are fitted around the front side of the fixing hole 53. A light-emitting element 50 emits light by providing a blind member 54 covering the area, and supplying a voltage of a power supply 56 to a lead terminal 58 of the light-emitting element 50 through a transparent electrode 57 formed on the back surface of the see-through plate 52 by turning on a switch 55. The pointer 47 is illuminated by the illumination light.

【０００５】[0005]

【発明が解決しようとする課題】しかしながら前記従来
例は、発光素子50を透視板52に固定する構造であるため
に、透視板52をケース40に取り付ける際の取付誤差や透
視板52あるいはケース40自体の成形誤差等に起因して発
光素子50と指針47の受光部49とが位置ずれを起こしやす
く、この位置ずれによって照明効率が低下したり、ある
いは照明時の明るさが製品ごとに異なったり等、照明に
悪影響を及ぼしてしまうという問題を有している。However, since the conventional example has a structure in which the light emitting element 50 is fixed to the see-through plate 52, there is an attachment error when the see-through plate 52 is attached to the case 40 or the see-through plate 52 or the case 40 has a problem. The light-emitting element 50 and the light-receiving part 49 of the pointer 47 are likely to be displaced due to molding errors or the like of the light-emitting element, and this displacement causes a reduction in illumination efficiency or a difference in brightness at the time of illumination between products. For example, there is a problem that lighting is adversely affected.

【０００６】本発明は、この点に鑑みなされたもので、
発光素子と指針の受光部との位置ずれによる照明への悪
影響を抑制することが可能な指示計器の提供を主な目的
とするものである。[0006] The present invention has been made in view of this point,
It is a main object of the present invention to provide an indicating instrument capable of suppressing an adverse effect on illumination due to a positional shift between a light emitting element and a light receiving portion of a pointer.

【０００７】[0007]

【課題を解決するための手段】本発明は前記目的を達成
するために、計測量に応じて指針軸が回動駆動される計
器本体と、前記指針軸の先端に固定されて前記指針軸に
対し略直交方向に伸長すると共に回動中心領域となる基
端部に発光素子の照明光を受光し前記指針の先端側へ導
く受光部が形成された透光性材料からなる指針と、前記
受光部に前記発光素子が臨むよう前記発光素子を前記指
針の前面側から保持する保持体とを備え、前記保持体が
前記計器本体に取付固定される固定部を有するものであ
る。In order to achieve the above object, the present invention provides an instrument main body in which a pointer shaft is driven to rotate in accordance with a measured amount, and an instrument body fixed to a tip of the pointer shaft and attached to the pointer shaft. On the other hand, the base that extends in the direction
The illumination light of the light emitting element is received at the end and guided to the tip side of the pointer.
Ku comprising a guidance receiving section is made of a translucent material formed, and a holder for holding the light emitting element to the light emitting element facing the <br/> light receiving portion from the front side of the pointer, the holding The body has a fixing portion that is fixedly attached to the instrument main body.

【０００８】また本発明は、前記構成において、前記保
持体が前記計器本体の近傍領域に設けられた外部電源供
給部材に電気的に挿入接続される接続部と、この接続部
と前記発光素子とを電気接続する導電部とを備えるもの
で、さらにまた前記接続部と前記導電部が導電性金属材
料により一体形成されるものである。Further, according to the present invention, in the above-mentioned configuration, the connecting portion is configured such that the holder is electrically inserted and connected to an external power supply member provided in a region near the instrument main body, and the connecting portion and the light emitting element are connected to each other. And a conductive part for electrically connecting the conductive part, and the connecting part and the conductive part are formed integrally with a conductive metal material.

【作用】[Action]

【０００９】本発明の第１の発明によれば、発光素子を
保持する保持体が固定部を介して計器本体に取付固定さ
れることにより、計器本体を基準に発光素子と指針の受
光部との配置が定められるため、発光素子と受光部との
位置ずれが抑制される。According to the first aspect of the present invention, the holder for holding the light emitting element is attached and fixed to the instrument main body via the fixing portion, so that the light emitting element and the light receiving section of the pointer can be positioned with respect to the instrument main body. Is determined, the displacement between the light emitting element and the light receiving unit is suppressed.

【００１０】また本発明の第２，第３の発明によれば、
保持体が計器本体に取付固定されることにより、発光素
子と受光部との配置が定まり、発光素子と受光部との位
置ずれが抑制されるとともに、保持体に形成した接続部
を外部電源供給部材に電気的に挿入接続することによ
り、保持体を介し発光素子に電源供給がなされるため、
専用の給電部材を設けずとも発光素子への給電を行うこ
とができ、かつ組み付け作業性も向上する。According to the second and third aspects of the present invention,
When the holder is fixed to the instrument main body, the arrangement of the light emitting element and the light receiving section is determined, the displacement between the light emitting element and the light receiving section is suppressed, and the connection formed on the holder is supplied with external power. By electrically inserting and connecting to the member, power is supplied to the light emitting element via the holder,
Power can be supplied to the light emitting element without providing a dedicated power supply member, and the assembling workability is improved.

【実施例】【Example】

【００１１】以下、添付図面に基づいて本発明の実施例
を説明する。An embodiment of the present invention will be described below with reference to the accompanying drawings.

【００１２】図１及び図２は、本発明の第１実施例を示
すもので、本実施例による指示計器は、金属性のシール
ドケース１内にコイル２が巻回された合成樹脂製のボビ
ン３を収納するとともに、このボビン３の内部に指針軸
４が固定された磁石（図示しない）を内蔵し、この磁石
が例えば車両の走行速度等の計測量に基づき決定される
コイル２への通電量に応じて発生する合成磁界によって
駆動されて指針軸４を回動駆動する交差コイル型可動磁
石式計器からなる計器本体５を有し、この計器本体５の
指針軸４の上端側はボビン３の上方に突設され、その先
端には指針軸４に対し略直交方向に延びる指針６が固着
されている。FIGS. 1 and 2 show a first embodiment of the present invention. The indicating instrument according to the first embodiment is a synthetic resin bobbin in which a coil 2 is wound inside a metallic shield case 1. And a magnet (not shown) to which the pointer shaft 4 is fixed is built in the bobbin 3, and the magnet supplies power to the coil 2 determined based on a measured amount such as a running speed of the vehicle. An instrument main body 5 composed of a cross-coil movable magnet type instrument which is driven by a synthetic magnetic field generated according to the amount to rotate the pointer shaft 4 is provided. A pointer 6 is fixed to the tip of the pointer 6 and extends in a direction substantially perpendicular to the pointer shaft 4.

【００１３】指針６は、例えばアクリル樹脂等の透光性
材料からなり、その回動中心領域となる基端部７背面に
は、指針軸４に固着するための圧入固定部８と、基端部
７上面には照明光を先端側方向に導き指針６を光輝させ
る反射面からなる受光部９が形成されており、この受光
部９の前面側には、受光部９に照明光を供給して指針６
を光輝させる、例えば発光ダイオードからなる発光素子
10が保持体11を介して配設されている。The pointer 6 is made of a light-transmitting material such as acrylic resin, and has a press-fit fixing portion 8 for fixing to the pointer shaft 4 on the rear surface of the base end 7 serving as a rotation center area. A light receiving portion 9 is formed on the upper surface of the portion 7 and has a reflecting surface that guides illumination light toward the distal end side and makes the pointer 6 shine. On the front side of the light receiving portion 9, illumination light is supplied to the light receiving portion 9. Guideline 6
Light-emitting element, for example, a light-emitting diode
10 is provided via a holding body 11.

【００１４】保持体11は、指針６の基端部７前面側に伸
長して発光素子10を受光部９に臨むよう保持し、かつ前
面側に指針６の基端部７の周囲を覆う化粧キャップ12が
冠着される保持部13と、この保持部13の後端側から指針
軸４に沿って計器本体５側に垂下形成される側壁部14
と、この側壁部14の下端から計器本体５側に延びる一対
の固定部15とを有し、保持部13並びに側壁部14の外面に
は、発光素子10のリード端子16に電源を供給するＬ字状
の導電性金属材料からなる一対の導電部17がインサート
成形されており、この導電部17の保持部13側先端方向に
位置する部位には、保持部13に形成した挿通孔18に対応
する貫通孔19が形成され、挿通孔18及び貫通孔19を介し
て保持部13の背面側から発光素子10のリード端子16先端
を導電部17の前面に挿出して半田付けし、発光素子10を
接続固定するとともに、導電部17の側壁部14側背面方向
に位置する部位には、保持体11から露出して下方に延長
形成された円柱ピン状の接続部20が形成され、この接続
部20にバッテリー等の電源（図示しない）と接続された
メス型コネクタからなる外部電源供給部材21を挿入接続
し、この外部電源供給部材21及び導電部17を介して発光
素子10への電源供給を行うよう構成している。なお22
は、化粧キャップ12内面の突起部23を挿通する保持孔で
あり、この保持孔22に突起部23を挿通し、この突起部23
の先端側を溶着することにより、化粧キャップ12を保持
体11に固定している。The holder 11 extends toward the front side of the base end portion 7 of the pointer 6 to hold the light emitting element 10 so as to face the light receiving section 9, and also covers the periphery of the base end portion 7 of the pointer 6 at the front side. A holding portion 13 on which the cap 12 is mounted, and a side wall portion 14 formed from the rear end of the holding portion 13 along the pointer shaft 4 toward the instrument main body 5.
And a pair of fixing portions 15 extending from the lower end of the side wall portion 14 to the instrument main body 5 side. On the outer surfaces of the holding portion 13 and the side wall portion 14, there are provided L for supplying power to the lead terminals 16 of the light emitting element 10. A pair of conductive portions 17 made of a U-shaped conductive metal material are insert-molded, and the portions of the conductive portions 17 located in the tip direction on the holding portion 13 side correspond to the insertion holes 18 formed in the holding portion 13. A through hole 19 is formed, and the tip of the lead terminal 16 of the light emitting element 10 is inserted into the front surface of the conductive part 17 from the back side of the holding part 13 through the insertion hole 18 and the through hole 19 and soldered, and the light emitting element 10 is formed. A cylindrical pin-shaped connecting portion 20 which is exposed from the holding body 11 and is formed to extend downward is formed at a portion of the conductive portion 17 which is located on the back side of the side wall portion 14. 20 is an external power supply comprising a female connector connected to a power supply (not shown) such as a battery. The member 21 is inserted and connected, and configured to perform power supply to the light emitting element 10 through the external power supply member 21 and the conductive portion 17. 22
Is a holding hole through which the projection 23 on the inner surface of the decorative cap 12 is inserted, and the projection 23 is inserted through the holding hole 22 so that the projection 23
The decorative cap 12 is fixed to the holding body 11 by welding the front end side.

【００１５】また固定部15は、計器本体５のボビン３か
ら一体形成された一対の腕片からなる取付部24の取付孔
25に対応する固定孔26を有しており、固定部15を取付孔
25の周囲に形成された位置決め部27に位置決めすること
により固定孔26の下方に取付孔25を位置させ、さらに固
定孔26の前面側に数字，目盛指標等（図示しない）が形
成された表示板28を介在させ、表示板28に形成された孔
部29を通じて固定孔26と取付孔25にねじ等の固定部材30
を螺着することにより、表示板28に計器本体５及び保持
体11を一体的に取付固定している。The fixing portion 15 has a mounting hole of a mounting portion 24 composed of a pair of arm pieces integrally formed from the bobbin 3 of the instrument main body 5.
25 has a fixing hole 26 corresponding to
A display in which the mounting hole 25 is positioned below the fixing hole 26 by positioning the positioning hole 27 on the positioning portion 27 formed around the periphery of the fixing hole 26, and numerals, scale indicators, etc. (not shown) are formed on the front side of the fixing hole 26. A fixing member 30 such as a screw is inserted into the fixing hole 26 and the mounting hole 25 through a hole 29 formed in the display plate 28 with the plate 28 interposed.
The instrument body 5 and the holder 11 are integrally fixed to the display panel 28 by screwing.

【００１６】そしてこの場合、表示板28には、指針６を
表示板28上に位置させ計器本体５を表示板28に固定する
ために、指針６と指針軸４との連結部分となる圧入固定
部８近傍領域を横方向から挿入可能とする切欠き部31が
形成されており、この切欠き部31は、計器本体５並びに
保持体11を表示板28に固定後、目隠し板32がスライド挿
入され、切欠き部31の必要部分を塞ぐよう構成されてい
る。In this case, the display plate 28 is press-fitted and fixed as a connecting portion between the pointer 6 and the pointer shaft 4 in order to position the pointer 6 on the display panel 28 and fix the instrument main body 5 to the display panel 28. A notch 31 is formed to allow a region near the part 8 to be inserted from the lateral direction. The notch 31 is formed by fixing the instrument main body 5 and the holding body 11 to the display panel 28, and then inserting the blindfold plate 32 into the sliding panel. The notch 31 is configured so as to cover a necessary portion thereof.

【００１７】つぎに本実施例の組み付け例を説明する
と、まず指針６を固着した計器本体５の取付部24に、予
め保持部13に発光素子10を装着した保持体11を載置し、
保持体11の固定部15を位置決め部27に位置決めし、取付
孔25と固定孔26の中心位置を合わせる。つぎに保持体11
を位置決めした計器本体５を表示板28の切欠き部31に横
方向から挿入し、孔部29と各孔25，26の中心位置を位置
決めし、孔部29及び各孔25，26に表示板28の前面側から
固定部材30を螺合し、計器本体５，保持体11，表示板28
を一体的に固定する。これにより保持体11が固定部15を
介して計器本体５に取付固定され、保持体11の保持部13
に保持された発光素子10が指針６の受光部９上に位置す
る。つぎに表示板28の切欠き部31に目隠し板32をスライ
ド挿入して切欠き部31を目隠し板32で覆った後、保持体
11の保持部13に化粧キャップ12を嵌着するとともに、接
続部20に外部電源供給部材21を挿入接続して組み付けが
完了する。なおこの場合、予め化粧キャップ12を保持体
11に固定しておき、表示板28の切欠き部31に挿入しても
よい。Next, an assembling example of the present embodiment will be described. First, the holder 11 having the light emitting element 10 previously mounted on the holder 13 is mounted on the mounting portion 24 of the instrument main body 5 to which the hands 6 are fixed.
The fixing portion 15 of the holder 11 is positioned on the positioning portion 27, and the center positions of the mounting hole 25 and the fixing hole 26 are aligned. Next, holder 11
The instrument body 5 with the position is positioned in the notch 31 of the display plate 28 from the lateral direction, and the center position of the hole 29 and each of the holes 25 and 26 is positioned. The fixing member 30 is screwed from the front side of the instrument body 28, and the instrument main body 5, the holding body 11 and the display panel 28
Is fixed integrally. As a result, the holder 11 is attached and fixed to the instrument main body 5 via the fixing portion 15, and the holder 13 of the holder 11 is fixed.
The light emitting element 10 held at the position 6 is located on the light receiving section 9 of the pointer 6. Next, after inserting the blind plate 32 into the notch portion 31 of the display plate 28 to cover the notch portion 31 with the blind plate 32,
The decorative cap 12 is fitted to the holding portion 13 of the connector 11, and the external power supply member 21 is inserted and connected to the connecting portion 20 to complete the assembly. In this case, the makeup cap 12 must be
11 may be fixed and inserted into the notch 31 of the display panel 28.

【００１８】以上、詳述したように、本実施例によれ
ば、発光素子10を保持する保持体13が固定部15を介して
計器本体５に取付固定されることにより、計器本体５を
基準に発光素子10と指針６の受光部９との配置が定めら
れるため、発光素子10と指針６の受光部９との位置ずれ
が抑制され、照明効率の低下、あるいは照明時の明るさ
が製品ごとに異なる等の位置ずれによる照明への悪影響
を防止できる。As described above in detail, according to the present embodiment, the holder 13 for holding the light emitting element 10 is attached and fixed to the instrument main body 5 via the fixing portion 15, so that the instrument main body 5 can be referred to. Since the arrangement of the light-emitting element 10 and the light-receiving part 9 of the pointer 6 is determined, the positional deviation between the light-emitting element 10 and the light-receiving part 9 of the pointer 6 is suppressed, and the illumination efficiency is reduced or the brightness at the time of illumination is reduced. It is possible to prevent adverse effects on the illumination due to misalignment such as different positions.

【００１９】また本実施例によれば、保持体11に導電部
17を形成し、この導電部17に外部電源供給部材21と電気
接続される接続部20を形成したことにより、保持体11を
介して発光素子10と外部電源供給部材21との電気接続が
なされるため、専用の給電部材を設けることなく発光素
子10に電源供給を行うことができ、部品点数を削減する
ことができるとともに、接続部20に外部電源供給部材21
を挿入接続するのみで発光素子10と外部電源供給部材21
との電気的な接続が行えるので、組み付け作業性を向上
させることができ、さらに前記従来例との比較において
は、透視板やケースに電極を引き回すことなく発光素子
10への給電が可能となるため、給電構造をコンパクトか
つ確実なものとすることができる。Further, according to the present embodiment, the conductive member is
By forming the connection portion 20 electrically connected to the external power supply member 21 in the conductive portion 17, the light emitting element 10 and the external power supply member 21 are electrically connected via the holder 11. Therefore, power can be supplied to the light emitting element 10 without providing a dedicated power supply member, the number of components can be reduced, and the external power supply member 21
The light emitting element 10 and the external power supply member 21 are simply inserted and connected.
Electrical connection with the light emitting element can be improved, so that the assembling workability can be improved.
Since power can be supplied to the power supply 10, the power supply structure can be made compact and reliable.

【００２０】また本実施例によれば、固定部材30によ
り、表示板28，保持体11，計器本体５の３部材を同体的
に固定しており、さらに部品点数の削減及び組み付け作
業性の向上を図っている。Further, according to the present embodiment, the three members of the display panel 28, the holding body 11, and the instrument main body 5 are integrally fixed by the fixing member 30, further reducing the number of parts and improving the assembling workability. Is being planned.

【００２１】なお、本実施例では、保持体11に導電性金
属材料からなる導電部17をインサート成形し、この導電
部17に接続部20を一体形成したが、例えば導電部17を電
気コード，ＦＰＣ（フレキシブルプリント基板）あるい
はフラットケーブルを用いて形成してもよく、この場
合、導電部17と外部電源供給部材21とを電気接続する接
続部20は、外部電源供給部材21に挿入接続が可能であれ
ばよく、例えば導電部17に電気接続される専用の接続端
子を設け、この接続端子を保持体11に固定もしくはイン
サート成形して接続部20を設けたり、あるいは導電部17
の端部を外部電源供給部材21に挿入接続可能な形状に加
工し、接続部20を形成してもよい。In this embodiment, the conductive portion 17 made of a conductive metal material is insert-molded on the holder 11 and the connecting portion 20 is formed integrally with the conductive portion 17. It may be formed using an FPC (flexible printed circuit board) or a flat cable. In this case, the connection portion 20 for electrically connecting the conductive portion 17 and the external power supply member 21 can be inserted and connected to the external power supply member 21. For example, a dedicated connection terminal electrically connected to the conductive portion 17 is provided, and the connection terminal is fixed to the holding body 11 or insert-molded to provide the connection portion 20, or the conductive portion 17 is provided.
May be processed into a shape that can be inserted and connected to the external power supply member 21 to form the connection portion 20.

【００２２】図３は、本発明の第２実施例を示し、本実
施例では、保持体11の固定部33が保持部13と対向するよ
う側壁部14を介して延長形成されており、この固定部33
の固定孔34前面側に、ボビン３底面側に取付孔35を有す
る計器本体５を配置し、一方、固定孔34の背面側には固
定孔34と対応する孔部36を有するプリント基板37を設
け、この孔部36及び各孔34，35にプリント基板37の背面
側から固定部材30を螺着することにより、プリント基板
37に保持体11及び計器本体５を取付固定しているととも
に、導電部11の接続部38を接触部39がその内部に形成さ
れたメス型端子状に形成し、この接続部38に、プリント
基板37に植設されてプリント基板37の図示しない配線パ
ターンを介してバッテリー等の電源（図示しない）と電
気接続されたピン端子からなる外部電源供給部材40を挿
通し、発光素子10への電源供給を行うよう構成してお
り、この場合、プリント基板37に保持体11，計器本体５
をそれぞれ組み付けた後、表示板28自体をスライドさせ
ながら切欠き部31を挿入して指針５を表示板28前面側に
位置させ、保持部13の前面側に化粧キャップ12を冠着し
ており、その他の部分は前記第１実施例と同様であるの
で、詳しい説明は省略する。FIG. 3 shows a second embodiment of the present invention. In this embodiment, the fixing portion 33 of the holding body 11 is formed to extend through the side wall portion 14 so as to face the holding portion 13. Fixed part 33
The instrument body 5 having a mounting hole 35 on the bottom surface side of the bobbin 3 is disposed on the front side of the fixing hole 34, while a printed circuit board 37 having a hole 36 corresponding to the fixing hole 34 is disposed on the back side of the fixing hole 34. The fixing member 30 is screwed into the hole 36 and the holes 34, 35 from the back side of the printed circuit board 37, thereby forming the printed circuit board.
The holding member 11 and the meter main body 5 are attached and fixed to 37, and the connecting portion 38 of the conductive portion 11 is formed in a female terminal shape having a contact portion 39 formed therein. An external power supply member 40 composed of pin terminals, which is implanted on the board 37 and is electrically connected to a power supply (not shown) such as a battery through a wiring pattern (not shown) of the printed board 37, is inserted into the power supply to the light emitting element 10. In this case, the holding body 11 and the instrument main body 5 are mounted on a printed circuit board 37.
After assembling, the notch 31 is inserted while sliding the display plate 28 itself, the pointer 5 is positioned on the front side of the display plate 28, and the decorative cap 12 is mounted on the front side of the holding portion 13. The other parts are the same as those in the first embodiment, so that the detailed description will be omitted.

【００２３】以上、詳述したように、本実施例によれ
ば、前記第１実施例と略同様の効果を得ることができる
とともに、保持体11をプリント基板37に固定することに
より、接続部38と外部電源供給部材40との電気接続がな
されるため、組み付け作業性をさらに良好とすることが
できる。As described in detail above, according to the present embodiment, substantially the same effects as those of the first embodiment can be obtained, and the connection portion can be formed by fixing the holder 11 to the printed circuit board 37. Since the electrical connection between the power supply member 38 and the external power supply member 40 is made, the assembling workability can be further improved.

【００２４】なお、本実施例では接続部38側をメス型端
子状、プリント基板37側をピン端子としたが、前記第１
実施例のように接続部38側をピン端子状に形成し、プリ
ント基板37側にメス型端子状のコネクタを設けて外部電
源供給部材40とし、電気的な挿入接続を図ってもよい。In this embodiment, the connection portion 38 is formed as a female terminal and the printed circuit board 37 is formed as a pin terminal.
As in the embodiment, the connection portion 38 side may be formed in a pin terminal shape, and a female terminal-like connector may be provided on the printed circuit board 37 side to serve as the external power supply member 40 for electrical insertion connection.

【００２５】[0025]

【発明の効果】以上のように、本発明の第１の発明によ
れば、計測量に応じて指針軸が回動駆動される計器本体
と、前記指針軸の先端に固定されて前記指針軸に対し略
直交方向に伸長すると共に回動中心領域となる基端部に
発光素子の照明光を受光し前記指針の先端側へ導く受光
部が形成された透光性材料からなる指針と、前記受光部
に前記発光素子が臨むよう前記発光素子を前記指針の前
面側から保持する保持体とを備え、前記保持体が前記計
器本体に取付固定される固定部を有することにより、計
器本体を基準に発光素子と指針の受光部との配置が定め
られるため、発光素子と受光部との位置ずれが抑制さ
れ、これにより照明への悪影響を抑制することが可能な
指示計器を提供できる。As described above, according to the first aspect of the present invention, the meter main body in which the pointer shaft is driven to rotate in accordance with the measurement amount, and the pointer shaft fixed to the tip of the pointer shaft To the base end, which extends in a direction substantially perpendicular to
Receiving illumination light from the light emitting element and guiding it toward the tip of the pointer
A guidance part made of a transparent material is formed, the light emitting element to the light emitting element faces the light receiving portion and a holding member for holding the front side of the pointer, the holding member is the instrument body by having a fixed portion to be mounted and fixed, since the arrangement of the light receiving portion of the light emitting element and the pointer relative to the instrument body is determined, positional deviation of the light receiving portion and the light-emitting element can be suppressed, thereby adverse lighting Can be provided.

【００２６】また本発明の第２，第３の発明によれば、
前記第１の発明の構成において、前記保持体が前記計器
本体の近傍領域に設けられた外部電源供給部材に電気的
に挿入接続される接続部と、この接続部と前記発光素子
とを電気接続する導電部とを備え、さらにまた前記接続
部と前記導電部が導電性金属材料により一体形成される
ことにより、発光素子と受光部との位置ずれが抑制され
るとともに、保持体に形成した接続部を外部電源供給部
材に電気的に挿入接続することにより、保持体を介して
発光素子に電源供給がなされるため、専用の給電部材を
設けずとも発光素子への給電を行うことができ、かつ組
み付け作業性も向上させることが可能な指示計器を提供
できる。According to the second and third aspects of the present invention,
In the configuration of the first aspect, a connection portion in which the holding body is electrically inserted and connected to an external power supply member provided in a region near the instrument main body, and electrically connects the connection portion and the light emitting element The connection portion and the conductive portion are integrally formed of a conductive metal material, so that the position shift between the light emitting element and the light receiving portion is suppressed, and the connection formed on the holder is provided. By electrically inserting and connecting the unit to the external power supply member, power is supplied to the light emitting element via the holder, so that power can be supplied to the light emitting element without providing a dedicated power supply member, In addition, it is possible to provide an indicating instrument capable of improving assembling workability.

【図面の簡単な説明】[Brief description of the drawings]

【図１】本発明の第１実施例を示す分解斜視図である。FIG. 1 is an exploded perspective view showing a first embodiment of the present invention.

【図２】図１を組み付けたときの断面図である。FIG. 2 is a sectional view when FIG. 1 is assembled.

【図３】本発明の第２実施例を示す断面図である。FIG. 3 is a sectional view showing a second embodiment of the present invention.

【図４】従来例を示す断面図である。FIG. 4 is a sectional view showing a conventional example.

【符号の説明】[Explanation of symbols]

４ 指針軸 ５ 計器本体 ６ 指針 ７ 基端部 ９ 受光部 10 発光素子 11 保持体 15，33 固定部 17 導電部 20，38 接続部 21，40 外部電源供給部材 4 pointer shaft 5 instrument body 6 pointer 7 base end 9 light receiving section 10 light emitting element 11 holder 15, 33 fixing section 17 conductive section 20, 38 connecting section 21, 40 external power supply member

Claims (3)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】 計測量に応じて指針軸が回動駆動される
計器本体と、前記指針軸の先端に固定されて前記指針軸
に対し略直交方向に伸長すると共に回動中心領域となる
基端部に発光素子の照明光を受光し前記指針の先端側へ
導く受光部が形成された透光性材料からなる指針と、前
記受光部に前記発光素子が臨むよう前記発光素子を前記
指針の前面側から保持する保持体とを備え、前記保持体
が前記計器本体に取付固定される固定部を有することを
特徴とする指示計器。1. An instrument body in which a pointer shaft is rotationally driven in accordance with a measured amount, and fixed to a tip of the pointer shaft to extend in a direction substantially perpendicular to the pointer shaft and to be a rotation center area.
Receives the illumination light of the light emitting element at the base end and moves to the tip side of the pointer
And guidelines made of a translucent material receiving portion is formed for guiding the front
Said light emitting element so that the light emitting element faces the serial receiving unit and a holder for holding the front side of the pointer, said holding body
There indicating instrument, characterized in that it comprises a fixing portion fixedly attached to said instrument body. 【請求項２】 前記保持体は、前記計器本体の近傍領域
に設けられた外部電源供給部材に電気的に挿入接続され
る接続部と、この接続部と前記発光素子とを電気接続す
る導電部とを備えることを特徴とする請求項１記載の指
示計器。2. A connection part electrically inserted and connected to an external power supply member provided in a region near the instrument main body, and a conductive part electrically connecting the connection part and the light emitting element. The indicating instrument according to claim 1, comprising: 【請求項３】 前記接続部と前記導電部が導電性金属材
料により一体形成されていることを特徴とする請求項２
記載の指示計器。3. The connection part and the conductive part are formed integrally from a conductive metal material.
Indicating instrument as described.