JP3691166B2 - Surveyor battery pack attachment / detachment mechanism - Google Patents

Surveyor battery pack attachment / detachment mechanism Download PDF

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Publication number
JP3691166B2
JP3691166B2 JP21084296A JP21084296A JP3691166B2 JP 3691166 B2 JP3691166 B2 JP 3691166B2 JP 21084296 A JP21084296 A JP 21084296A JP 21084296 A JP21084296 A JP 21084296A JP 3691166 B2 JP3691166 B2 JP 3691166B2
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battery pack
horizontal lever
lower levers
lever
engaging
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JPH1054717A (en
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中村  聡
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株式会社ソキア
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Description

【0001】
【発明の属する技術分野】
本発明は、測量機本体に装着されて測量機の電源となるバッテリパックの着脱機構に関するものである。
【0002】
【従来の技術】
周知の如く、測量機の電源には、バッテリを収納したバッテリパックが利用されている。このバッテリパックは、測量機本体とは別体の構成であり、図8に示すように、測量機本体の側面に設けられたバッテリパック収納部に着脱可能な構成となっている。
【0003】
バッテリパックaの下端部には、係止突起bが設けられ、バッテリパックaの上端部には、係合凸部c1 を有する上下レバーcが設けられて、係止ばねfにより係合凸部c1 の突出する方向に回転付勢されている。一方、バッテリパック収納部d内には、係止突起b,係合凸部c1 に対応する係止凹部e,係合凹部d1 が設けられ、係止突起b,係合凸部c1 が係止凹部e,係合凹部d1 に係合することで、バッテリパックaがバッテリパック収納部d内に装着一体化されている。
【0004】
即ち、バッテリパックの装着時は、バッテリパック下端突起bを凹部eに係合させて、バッテリパックaをバッテリパック収納部dに押し込むと、上下レバーcの係合凸部c1 が係合凹部d1 に係合して、バッテリパックaが抜け止めされる。また、バッテリパックを取り外す時は、係止ばねfのばね力に抗して上下レバーcを指で押し下げると、係合凸部c1 が下降して係合凹部d1 との係合が外れ、バッテリパックの抜け止めが解除されて、取り外すことができる。
【0005】
しかし前記した構造では、測量中に誤って上下レバーに触れて上下レバーを押し下げてしまうと、抜け止めが簡単に解除され、バッテリパックがバッテリパック収納部から脱落し、今まで測量したデータが消えてしまうという危険がある。そこで、従来では、バッテリパック収納部の開口縁部に、上下レバーを覆う保護カバーを設け、誤って上下レバーを押し下げてしまうことがないように工夫されている。
【0006】
【発明が解決しようとする課題】
しかしながら、保護カバーを設けた構造では、上下レバーを操作するためには、いちいち保護カバーを開口する必要があり、操作が面倒であるばかりか、測量機の外観をも損なうなどの問題点があった。
本発明は、前記従来技術の問題点に鑑みなされたもので、その目的は、誤って上下レバーに触れたとしても、バッテリパックの抜け止めが解除されることのない測量機のバッテリパック着脱機構を提供することにある。
【0007】
【課題を解決するための手段】
前記目的を解決するために、本発明に係る測量機のバッテリパック着脱機構においては、
測量機本体に設けられたバッテリパック収納部と、
前記バッテリパック収納部に収納されるバッテリパックと、
ッテリパックケースの上部に前後に延設され、前記バッテリパックケース前面に操作部が露出する上下方向に回動可能な上下レバーと、
前記上下レバーに組み付けられて、上下レバーと一体に回動し、かつ上下レバーに対し上下動し、バッテリパックケース上面に突出し、バッテリパック収納部に形成された係合凹部と係合する係合凸部を有する係合体と、
前記係合体とバッテリパックケース間に介装され、係合凸部が前記係合凹部に係合する方向に係合体および上下レバーを付勢する係止ばねと、を備え、
前記係止ばねの付勢力によって前記係合凸部が係合凹部に係合してバッテリパックが抜け止めされ、一方、前記上下レバーを係止ばねの付勢力に抗して押し下げることにより、前記係合凸部と係合凹部との係合が外れてバッテリパックの抜け止めが解除される測量機のバッテリパック着脱機構であって、
前記上下レバーの下方に上下レバーとほぼ直交するように延設され、上下レバーの下方への回動を阻止する水平回動可能な水平レバーと、
前記水平レバーの回動支点の反対端に設けられバッテリパックケースの前面に突出する釦と、
前記上下レバー下面に突設された前記水平レバーとの当接部と、
前記水平レバーを上下レバーの当接部下方対応位置に保持する施錠ばねと、からなるロック機構を設けるようにしたものである。
バッテリパックを装着するときは、バッテリパックをバッテリパック収納部に押し込む。このとき、係合体の係合凸部がバッテリパック収納部周縁に当接し、係止ばねの付勢力に抗し係合体(係合凸部)がバッテリパックケースおよび上下レバーに対し押し下げられて、バッテリパックがバッテリパック収納部に納まる。同時に、係止ばねにより押し上げられた係合体の係合凸部が係合凹部に係合し、バッテリパックが抜け止めされる。
一方、バッテリパックを取り外すときは、表面に突出した釦を押して水平レバーを回動させ、水平レバーを上下レバー側当接部から離間させてロック機構を解除するとともに、上下レバーを係止ばねの付勢力に抗し押し下げて係合凸部と係合凹部との係合を外して、バッテリパックの抜け止めを解除し、バッテリパックをバッテリパック収納部から取り出す。即ち、水平レバーを回動させてロック機構を解除しない限り、上下レバーを押し下げようにも、これができない。
また請求項2においては、請求項1記載の測量機のバッテリパック着脱機構において、前記上下レバーの当接部および水平レバーを矩形断面に形成するとともに、ロック機構を解除すべく水平レバーを所定量回動させたときに、水平レバーと前記当接部間の当接が水平レバーの側縁部に沿って同時に解除されるように、上下レバーの当接部の幅を、水平レバーの回動支点に向かうに従って徐々に狭幅に形成するようにしたもので、水平レバーが所定量回動したときの上下レバーの当接部の側縁部と水平レバーの側縁部とは上下方向に一致し、上下レバーの当接部の一部が水平レバーに当接して、ロック機構の解除が不完全となることがない。
また請求項3においては、請求項1記載の測量機のバッテリパック着脱機構において、前記当接部の後側面とこの後側面に対応する水平レバーの前側面を、上下レバーの回動中心を中心とする同一円弧面に形成するようにしたもので、上下レバーの下降時に、当接部が水平レバーと干渉しない。即ち、当接部の後側面および水平レバーの対応側面が垂直面で形成されている場合には、上下レバーの下降(回動)に伴って、当接部と上下レバー回転中心間の水平距離が短くなって、当接部が水平レバーと干渉する。このため、上下レバーには、係止ばねのばね力に加えて、水平レバーの施錠ばねのばね力も負荷として作用し、それだけ上下レバーを押し下げにくくなる。しかし、この請求項3では、上下レバー側の当接部と水平レバーの縦方向の相対摺動面が上下レバーの回動中心を中心とする同一円弧面に形成されているため、上下レバーの当接部の後側面は、水平レバーの対応前側面と干渉することなく縦方向に摺動する。
また請求項4においては、請求項1記載の測量機のバッテリパック着脱機構において、前記ロック機構を解除すべく水平レバーを所定量回動させたときに、水平レバーと前記当接部間の当接が水平レバーの側縁部に沿って同時に解除されるように、上下レバーの当接部の幅を水平レバーの回動支点に向かうに従って徐々に狭幅に形成するとともに、前記当接部の後側面とこの後側面に対応する水平レバーの前側面を上下レバーの回動中心を中心とする同一円弧面に形成するようにしたもので、前記した請求項2および3と同様の作用がある。
【0008】
【発明の実施の形態】
次に、本発明の実施の形態を実施例に基ずいて説明する。
図1〜図7は、本発明の一実施例を示すもので、図1は、本発明の一実施例である測量機のバッテリパック着脱機構の斜視図、図2は、同バッテリパック着脱機構のロック機構作動時の縦断面図、図3は、同バッテリパック着脱機構のロック機構作動時の平面図、図4は、同バッテリパック着脱機構の要部斜視図、図5は、同バッテリパック着脱機構のロック機構解除時の縦断面図、図6は、同バッテリパック着脱機構のロック機構解除時の平面図、図7は、上下レバー側当接部と水平レバーの形状を説明する断面図である。
【0009】
これらの図において、バッテリパック1は、測量機本体2の側面に形成されたバッテリパック収納部3に装着されて、測量機の電源としての機能を果たす。バッテリパック1は、合成樹脂製のバッテリパックケース12内にバッテリ4を収納したバッテリ収納部5と、このバッテリ収納部5の上部に設けられた操作部6とから構成されている。そして、操作部6は、合成樹脂製の上下レバー7と、係合凸部11を有する合成樹脂製の係合体8と、この係合体8に作用する係止ばね9と、ロック機構10とから構成されている。
【0010】
上下レバー7は、バッテリ収納部5のケース12の前面13とほぼ面一に配置される操作体14の背面に、略コの字形の操作杆15が延設された構造で、この操作杆15の先端付近の両側端には、主軸16,16が設けられている。そして、この主軸16,16は、ケース12に穿設されたU字孔17,17に回動自在に軸着されている。また、係合体8は、図2,3,4に示されるように、前記略コの字形の操作杆15の内側に配置されており、その後端側の側縁は、主軸16,16と同一軸上に穿設された操作杆15の軸孔23,23に副軸24,24をもって回動自在に軸着されている。また、係合体8の前端側の側縁の上面には、係合凸部11が突設され、側縁の下面には、係止部11aが左右側の方に突設され、この係止部11aが操作杆15の側壁下面に当接するとともに、係合凸部11がケース上面12aに形成されている孔12bから上方に突出した構造となっている。そして、この係合体8とケース12の操作部底板18との間には、コイルばねからなる係止ばね9が装入されており、上下レバー7に対し係合体8を上方(係合凸部11がケース上面12aから突出する方向)へ付勢し、かつ係合体8を介し上下レバー7を上方へ付勢している。従って、上下レバー7をU字孔17を中心に上下方向へ回動させると、係合凸部11を有する係合体8も上下レバー7と一体に回動する。さらに、係合体8は、軸孔23を中心に上下レバー7に対し上下方向に単独に回動できる。
【0011】
バッテリパック1がバッテリパック収納部3に装着されている状態では、ケース12の下端側では、係止突起19がバッテリパック収納部3側の係止凹部20に係合し、ケース12の上端側では、バッテリパック上面に突出する係合凸部11が係止ばね9の付勢力によってバッテリパック収納部3側の係合凹部21に係合し、抜け止めされている。
【0012】
バッテリパック1を取り外す際は、後述するロック機構10を解除した後、操作体14の上端面の円弧状に穿った操作面22を指で下へ押すことによつて、図5に示すように、上下レバー7および係合体8が係止ばね9のばね力に抗して主軸16,16を支点に下方へ回動し、これによって、係合凸部11の係合凹部21との係合状態が外れて、すなわち抜け止めが解除されて、バッテリパック1を取り外すことができる。
【0013】
また、バッテリパック1をバッテリパック収納部3に装着する際には、バッテリパック下端突起19を係止凹部20に係合し、バッテリパック1をバッテリパック収納部3に押し込む。すると、係合体8の係合凸部11がバッテリパック収納部3の開口縁に押され、係止ばね9のばね力に抗して係合体8が副軸24,24を支点に下方へ回動(上下レバー7に対し係合体8が回動)し、バッテリパック1をバッテリパック収納部3に嵌め込むことができる。これは、図2に示す形態で、係合体8だけが下降した形態となる。そして、係合凸部11が係合凹部21に対応した位置となって、係合体8が係止ばね9のばね力により上方へ回動し、係合凸部11が係合凹部21に係合し、バッテリパック1が抜け止めされる。
【0014】
このように、後述するロック機構10が作動した状態のまま、バッテリパック1をバッテリパック収納部3に装着することができる。
操作部6に設けられているロック機構10は、水平回動可能な断面矩形状の水平レバー25と、この水平レバー25の一端に設けられた釦26と、上下レバー7の下面に突設された当接部27と、水平レバー25を所定位置に付勢保持する施錠ばね28とから構成されている。
【0015】
水平レバー25は、操作部底板18に上下レバー7の操作杆15の基端付近の下を横断するように配置され、その一端には環状部29を備えている。そして、この操作部底板18から垂設された軸30に、前記の環状部29が回動自在に軸着されて、回動支点を構成している。また、水平レバー25には、回動支点とは反対端にケース12の前面13に突出する釦26が設けられている。更に、水平レバー25の内側の釦26と対応する位置には、水平レバー25を上下レバー7の操作体14方向へ付勢するコイルばねからなる施錠ばね28が装入されている。そして、上下レバー7の操作杆15の基端付近に、即ち水平レバー25と対応する位置に断面矩形状の当接部27が垂設されている。
【0016】
また、この当接部27の幅は、水平レバー25を所定量回動させたときに、水平レバー25と前記当接部27間の当接の解除が水平レバーの延出方向において同時に行なわれるように、即ち、図5,6における符号27aで示す当接部27の後面側の側縁部が回動した水平レバー25の前面側の側縁部25aと平行となるように、水平レバー25の回動支点に向かうに従って徐々に狭幅に形成されている。
【0017】
以上のように構成した本実施例では、バッテリパック収納部3にバッテリパック1が装着されている状態では、施錠ばね28の付勢力によって、水平レバー25が当接部27の真下に位置して当接している。従って、上下レバー7を押し下げようとしても、当接部27が水平レバー25に当たって下方への回動が阻止される。即ち、ロック機構が作動した状態にある(図2,図3参照)。また、バッテリパック1を取り外すときは、釦26を施錠ばね28のばね力に抗して押して、水平レバー25を内側へ回動させて当接部27から離間させ、上下レバー7を押し下げることが可能な位置に回動させる。即ち、ロック機構を解除状態とする(図5,図6参照)。このロック機構を解除と同時に上下レバー7を押し下げることによって、係合凸部11の係合凹部21との係合を外し、バッテリパック1を取り外すのである。
【0018】
従って、バッテリパック1が装着されている時に、誤って上下レバー7に触れたとしても、ロック機構10が働いて上下レバー7の下降が阻止されるため、バッテリパック1の抜け止めが外れるおそれがない。
殊に、本実施例では、当接部27の側縁部全長にわたって同時に水平レバー25と当接または離間できるように、当接部27の幅を、水平レバー25の回動支点に向かうに従って徐々に狭幅に形成したことから、水平レバー25の所定の回動位置を境に確実にロック機構10の入り切りができるので、ロック機構10の作動がスムーズに行われる。
【0019】
さらに、本実施例では、確実にロック機構10の入り切りができるので、半ロック状態という中途半端な状態がなく、上下レバー7の当接部27の側縁部27aと水平レバー25の側縁部25a間が磨耗したり、両レバー7,25間に不測の応力が作用したりする等の不具合もない。
また、上下レバー7の当接部27の後側面27bおよびこの後側面27bに対応する水平レバー25の切り欠かれた前側面25bは、図7に示すように、上下レバー7の回動中心である主軸16を中心とする同一円弧面に形成されて、上下レバー7が下降したとしても水平レバー27と干渉しないようになっている。
【0020】
即ち、側面27b,25bが水平面に対しそれぞれ垂直な平面であると、上下レバー7の動きは回転であるため、上下レバー7の下降に伴って当接部27が主軸16側に接近し、水平レバー25の側面25bと干渉する。このため上下レバー7には、係止ばね9のばね力に加えて、施錠ばね28のばね力も負荷として作用し、それだけ上下レバー7の操作が重くなる。
【0021】
しかし、本実施例のように、側面27b,25bが主軸16を中心とする円弧面であれば、上下レバー7が下降しても当接部27が水平レバー25と干渉せず、前記したように施錠ばね8が上下レバー7に作用することもない。従って、上下レバー7の押し下げ操作が重くなることもない。
尚、前記実施例では、当接部27の幅を水平レバー25の回動支点に向かうに従って徐々に狭幅に形成したが、同幅に形成することも差し支えない。
【0022】
また、施錠ばね28の装入位置も前記実施例に限定されるものではなく、水平レバー25上下レバー7の下方への回動を阻止する位置に保持できるように働くならばいずれの箇所でもよく、また、板ばねを用いてもよい。
更に、水平レバー25も回動が可能ならば、湾曲させた形、或いはL字形に屈曲させたものを用いてもよい。
【0023】
また前記実施例では、係合体8が上下レバー7に対し回動可能に組み付けられているが、係合体8は単に上下動可能に組み付けられていてもよい。
また前記実施例では、バッテリパック下端突起19を係止凹部20に係合させる構造となっているが、バッテリパック下端部がバッテリパック収納部3の開口縁部で抜け止めされるのであれば、下端突起19および係止凹部20を設ける必要はない。
【0024】
【発明の効果】
以上の説明から明らかなように、本発明によれば、測量中に誤って上下レバーに触れてもバッテリパックが外れるような危険がなくなるばかりか、取り出しおよび取り付けの操作も容易で、スムーズにバッテリパックを装脱着できる。また、従来構造のような保護カバーがないことから、測量機の外観を損なうこともない。
請求項2,4によれば、水平レバーの回転でロック機構が確実に解除できるので、バッテリパックの取り出しをスムーズに遂行できる。
請求項3,4によれば、上下レバーの押し下げが常に軽快なため、バッテリパックの取り出しをさらにスムーズに遂行できる。
できる。
【図面の簡単な説明】
【図1】本発明の一実施例である測量機のバッテリパック着脱機構の斜視図。
【図2】同バッテリパック着脱機構のロック機構作動時の縦断面図。
【図3】同バッテリパック着脱機構のロック機構作動時の平面図。
【図4】同バッテリパック着脱機構の要部斜視図。
【図5】同バッテリパック着脱機構のロック機構解除時の縦断面図。
【図6】同バッテリパック着脱機構のロック機構解除時の平面図。
【図7】上下レバー側当接部と水平レバーの形状を説明する断面図
【図8】従来のバッテリパック着脱機構の縦断面図。
【符号の説明】
1 バッテリパック
2 測量機本体
7 上下レバー
8 係合体
9 係止ばね
10 ロック機構
11 係合凸部
25 水平レバー
25a 水平レバーの前面側の側縁部
25b 水平レバーの前側面
26 釦
27 当接部
27a 当接部の後面側の側縁部
27b 当接部の後側面
28 施錠ばね
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an attachment / detachment mechanism for a battery pack that is attached to a surveying instrument body and serves as a power supply for the surveying instrument.
[0002]
[Prior art]
As is well known, a battery pack containing a battery is used as the power source of the surveying instrument. This battery pack is configured separately from the surveying instrument main body, and as shown in FIG. 8, is configured to be detachable from a battery pack storage portion provided on the side surface of the surveying instrument main body.
[0003]
A locking projection b is provided at the lower end of the battery pack a, and an upper and lower lever c having an engaging projection c 1 is provided at the upper end of the battery pack a. The portion c 1 is urged to rotate in the protruding direction. On the other hand, in the battery pack accommodating portion d, the locking projection b, engagement recesses e corresponding to the engaging portion c 1, the engagement recess d 1 provided, the locking projections b, the engaging projection c 1 Engages with the locking recess e and the engagement recess d 1 , so that the battery pack a is mounted and integrated in the battery pack storage portion d.
[0004]
That is, when the battery pack is mounted, when the battery pack lower end protrusion b is engaged with the recess e and the battery pack a is pushed into the battery pack storage portion d, the engagement projection c 1 of the upper and lower lever c is engaged with the engagement recess. The battery pack a is prevented from coming off by engaging with d 1 . Further, when removing the battery pack, if the upper and lower levers c are pushed down with a finger against the spring force of the locking spring f, the engaging convex part c 1 is lowered and the engaging concave part d 1 is disengaged. The battery pack is released from the retaining position and can be removed.
[0005]
However, with the structure described above, if you accidentally touch the upper / lower lever and push down the upper / lower lever during surveying, the retainer is easily released, the battery pack will fall out of the battery pack compartment, and the data that has been measured until then will be lost. There is a risk that it will end up. Therefore, conventionally, a protective cover that covers the upper and lower levers is provided at the opening edge of the battery pack housing portion so that the upper and lower levers are not accidentally pushed down.
[0006]
[Problems to be solved by the invention]
However, in the structure with a protective cover, in order to operate the upper and lower levers, it is necessary to open the protective cover one by one, which is not only troublesome, but also has the problem of detracting from the appearance of the surveying instrument. It was.
The present invention has been made in view of the above-mentioned problems of the prior art. The purpose of the present invention is to provide a battery pack attaching / detaching mechanism for a surveying instrument that does not release the battery pack from being released even if the upper and lower levers are accidentally touched. Is to provide.
[0007]
[Means for Solving the Problems]
In order to solve the above object, in the battery pack attaching / detaching mechanism of the surveying instrument according to the present invention,
A battery pack storage provided in the surveying instrument body;
A battery pack stored in the battery pack storage unit;
Extending around the top of the bar Tsu Terri pack case, and vertically rotatable upper and lower lever operating portion exposed to the battery pack case front,
Engaged with the upper and lower levers, pivots integrally with the upper and lower levers, moves up and down with respect to the upper and lower levers, protrudes to the upper surface of the battery pack case, and engages with an engaging recess formed in the battery pack housing portion An engagement body having a convex portion;
A locking spring that is interposed between the engaging body and the battery pack case, and that biases the engaging body and the upper and lower levers in a direction in which the engaging convex portion engages with the engaging concave portion,
The engaging convex portion engages with the engaging concave portion by the biasing force of the locking spring to prevent the battery pack from coming off, while the upper and lower levers are pushed down against the biasing force of the locking spring, thereby A battery pack attaching / detaching mechanism of a surveying instrument in which the engagement between the engaging convex part and the engaging concave part is released and the battery pack is prevented from coming off.
A horizontal lever that extends below the upper and lower levers so as to be substantially orthogonal to the upper and lower levers and prevents the upper and lower levers from rotating downward, and
A button provided at the opposite end of the pivoting fulcrum of the horizontal lever and protruding from the front of the battery pack case;
A contact portion with the horizontal lever protruding from the lower surface of the upper and lower levers;
A locking mechanism is provided that includes a locking spring that holds the horizontal lever at a position corresponding to the lower part of the upper and lower levers.
When mounting the battery pack, the battery pack is pushed into the battery pack housing. At this time, the engaging convex portion of the engaging body comes into contact with the periphery of the battery pack housing portion, the engaging body (engaging convex portion) is pushed down against the battery pack case and the upper and lower levers against the urging force of the locking spring, The battery pack is stored in the battery pack storage unit. At the same time, the engaging convex portion of the engaging body pushed up by the locking spring engages with the engaging concave portion, and the battery pack is prevented from coming off.
On the other hand, when removing the battery pack, the button protruding on the surface is pushed to rotate the horizontal lever, the horizontal lever is moved away from the upper and lower lever side abutting portions to release the lock mechanism, and the upper and lower levers are Pushing down against the urging force to disengage the engagement convex portion from the engagement concave portion, release the battery pack from being removed, and take out the battery pack from the battery pack storage portion. That is, unless the horizontal lever is rotated to release the lock mechanism, this cannot be done even if the upper and lower levers are pushed down.
According to a second aspect of the present invention, in the battery pack attaching / detaching mechanism of the surveying instrument according to the first aspect, the abutment portion of the upper and lower levers and the horizontal lever are formed in a rectangular cross section, and the horizontal lever is released by a predetermined amount to release the lock mechanism The width of the abutment part of the upper and lower levers is adjusted so that the abutment between the horizontal lever and the abutment part is simultaneously released along the side edge of the horizontal lever. It is formed so that it gradually narrows toward the fulcrum, and when the horizontal lever is rotated by a predetermined amount, the side edge of the contact portion of the upper and lower levers and the side edge of the horizontal lever are in the vertical direction. In addition, part of the contact portion of the upper and lower levers does not contact the horizontal lever, and the release of the lock mechanism does not become incomplete.
According to a third aspect of the present invention, in the battery pack attaching / detaching mechanism of the surveying instrument according to the first aspect, the rear side surface of the contact portion and the front side surface of the horizontal lever corresponding to the rear side surface are centered on the rotation center of the upper and lower levers. The contact portion does not interfere with the horizontal lever when the upper and lower levers are lowered. That is, when the rear side surface of the contact portion and the corresponding side surface of the horizontal lever are formed as vertical surfaces, the horizontal distance between the contact portion and the upper and lower lever rotation center as the upper and lower levers are lowered (rotated). Becomes shorter and the contact portion interferes with the horizontal lever. For this reason, in addition to the spring force of the locking spring, the spring force of the locking spring of the horizontal lever acts as a load on the upper and lower levers, so that the upper and lower levers are hardly pushed down. However, in the third aspect, the vertical relative sliding surfaces of the abutment portion on the upper and lower lever side and the horizontal lever are formed on the same circular arc surface around the rotation center of the upper and lower lever. The rear side surface of the contact portion slides in the vertical direction without interfering with the corresponding front side surface of the horizontal lever.
According to a fourth aspect of the present invention, in the battery pack attaching / detaching mechanism of the surveying instrument according to the first aspect, when the horizontal lever is rotated by a predetermined amount so as to release the lock mechanism, the contact between the horizontal lever and the abutting portion is determined. The width of the contact portion of the upper and lower levers is gradually narrowed toward the rotation fulcrum of the horizontal lever so that the contact is simultaneously released along the side edge of the horizontal lever. The rear side surface and the front side surface of the horizontal lever corresponding to the rear side surface are formed on the same circular arc surface centering on the rotation center of the upper and lower levers, and has the same effect as described in claims 2 and 3. .
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described based on examples.
1 to 7 show an embodiment of the present invention. FIG. 1 is a perspective view of a battery pack attaching / detaching mechanism of a surveying instrument according to an embodiment of the present invention. FIG. FIG. 3 is a plan view of the battery pack attaching / detaching mechanism when the locking mechanism is operated, FIG. 4 is a perspective view of the main part of the battery pack attaching / detaching mechanism, and FIG. 5 is the battery pack. FIG. 6 is a plan view of the battery pack attaching / detaching mechanism when the locking mechanism is released, and FIG. 7 is a sectional view for explaining the shapes of the upper and lower lever side contact portions and the horizontal lever. It is.
[0009]
In these drawings, the battery pack 1 is mounted in a battery pack storage 3 formed on the side surface of the surveying instrument main body 2 and functions as a power source for the surveying instrument. The battery pack 1 includes a battery storage portion 5 in which a battery 4 is stored in a battery pack case 12 made of synthetic resin, and an operation portion 6 provided on the upper portion of the battery storage portion 5. The operation unit 6 includes a synthetic resin up / down lever 7, a synthetic resin engagement body 8 having an engagement projection 11, a locking spring 9 acting on the engagement body 8, and a lock mechanism 10. It is configured.
[0010]
The upper / lower lever 7 has a structure in which a substantially U-shaped operating rod 15 is extended on the back surface of the operating body 14 arranged substantially flush with the front surface 13 of the case 12 of the battery housing portion 5. Main shafts 16 and 16 are provided on both side ends in the vicinity of the tip of the main shaft. The main shafts 16 and 16 are pivotally attached to U-shaped holes 17 and 17 drilled in the case 12. 2, 3, and 4, the engaging body 8 is disposed inside the substantially U-shaped operating rod 15, and the side edge on the rear end side is the same as that of the main shafts 16 and 16. Auxiliary shafts 24 and 24 are rotatably attached to shaft holes 23 and 23 of an operating rod 15 drilled on the shaft. Further, an engaging convex portion 11 protrudes from the upper surface of the side edge on the front end side of the engaging body 8, and an engaging portion 11a protrudes toward the left and right sides on the lower surface of the side edge. The portion 11a abuts against the lower surface of the side wall of the operating rod 15, and the engaging convex portion 11 protrudes upward from a hole 12b formed in the case upper surface 12a. A locking spring 9 made of a coil spring is inserted between the engagement body 8 and the operation portion bottom plate 18 of the case 12, and the engagement body 8 is moved upward (engagement convex portion) with respect to the upper / lower lever 7. 11 is biased in the direction protruding from the case upper surface 12 a), and the upper and lower levers 7 are biased upward via the engaging bodies 8. Therefore, when the vertical lever 7 is rotated in the vertical direction around the U-shaped hole 17, the engagement body 8 having the engagement convex portion 11 is also rotated integrally with the vertical lever 7. Further, the engagement body 8 can be independently rotated in the vertical direction with respect to the vertical lever 7 around the shaft hole 23.
[0011]
When the battery pack 1 is attached to the battery pack storage unit 3, the locking protrusion 19 engages with the locking recess 20 on the battery pack storage unit 3 side on the lower end side of the case 12, and the upper end side of the case 12. Then, the engaging convex portion 11 protruding from the upper surface of the battery pack is engaged with the engaging concave portion 21 on the battery pack housing portion 3 side by the urging force of the locking spring 9 and is prevented from coming off.
[0012]
When removing the battery pack 1, the lock mechanism 10 described later is released, and then the operation surface 22 formed in an arc shape on the upper end surface of the operation body 14 is pushed downward with a finger as shown in FIG. The upper and lower levers 7 and the engaging body 8 are rotated downward about the main shafts 16 and 16 against the spring force of the locking spring 9, whereby the engaging convex portion 11 is engaged with the engaging concave portion 21. The battery pack 1 can be removed after the state is released, that is, the retainer is released.
[0013]
Further, when the battery pack 1 is mounted in the battery pack storage unit 3, the battery pack lower end protrusion 19 is engaged with the locking recess 20, and the battery pack 1 is pushed into the battery pack storage unit 3. Then, the engaging convex portion 11 of the engaging body 8 is pushed against the opening edge of the battery pack housing portion 3, and the engaging body 8 rotates downward with the auxiliary shafts 24, 24 against the spring force of the locking spring 9. The battery pack 1 can be fitted into the battery pack storage portion 3 by moving (the engaging body 8 rotates with respect to the upper and lower levers 7). This is a form shown in FIG. 2 in which only the engaging body 8 is lowered. Then, the engaging convex portion 11 becomes a position corresponding to the engaging concave portion 21, the engaging body 8 is rotated upward by the spring force of the locking spring 9, and the engaging convex portion 11 is engaged with the engaging concave portion 21. The battery pack 1 is prevented from coming off.
[0014]
In this manner, the battery pack 1 can be mounted in the battery pack storage unit 3 while the lock mechanism 10 described later is operating.
The lock mechanism 10 provided in the operation unit 6 protrudes from the lower surface of the horizontal lever 25 having a rectangular section that can be horizontally rotated, a button 26 provided at one end of the horizontal lever 25, and the upper and lower levers 7. And a locking spring 28 for biasing and holding the horizontal lever 25 at a predetermined position.
[0015]
The horizontal lever 25 is disposed on the operation portion bottom plate 18 so as to cross under the vicinity of the base end of the operation rod 15 of the upper and lower levers 7, and has an annular portion 29 at one end thereof. The annular portion 29 is pivotally attached to a shaft 30 that is suspended from the operation portion bottom plate 18 to constitute a pivot point. Further, the horizontal lever 25 is provided with a button 26 that protrudes from the front surface 13 of the case 12 at the end opposite to the rotation fulcrum. Further, at a position corresponding to the button 26 on the inner side of the horizontal lever 25, a locking spring 28 made of a coil spring for biasing the horizontal lever 25 in the direction of the operating body 14 of the up / down lever 7 is inserted. A contact portion 27 having a rectangular cross section is provided near the base end of the operating rod 15 of the upper / lower lever 7, that is, at a position corresponding to the horizontal lever 25.
[0016]
The width of the contact portion 27 is such that when the horizontal lever 25 is rotated by a predetermined amount, the contact between the horizontal lever 25 and the contact portion 27 is released simultaneously in the extending direction of the horizontal lever. That is, in other words, the horizontal lever 25 is arranged so that the side edge portion on the rear surface side of the contact portion 27 indicated by reference numeral 27a in FIGS. 5 and 6 is parallel to the side edge portion 25a on the front surface side of the rotated horizontal lever 25. The width gradually decreases toward the turning fulcrum.
[0017]
In the present embodiment configured as described above, the horizontal lever 25 is positioned directly below the contact portion 27 by the urging force of the locking spring 28 in a state where the battery pack 1 is mounted in the battery pack housing portion 3. It is in contact. Therefore, even when the upper and lower levers 7 are pushed down, the contact portion 27 hits the horizontal lever 25 and is prevented from rotating downward. That is, the lock mechanism is in an activated state (see FIGS. 2 and 3). When the battery pack 1 is removed, the button 26 is pushed against the spring force of the locking spring 28, the horizontal lever 25 is turned inward to move away from the contact portion 27, and the upper and lower levers 7 are pushed down. Rotate to possible position. That is, the lock mechanism is released (see FIGS. 5 and 6). Simultaneously with the release of the lock mechanism, the upper and lower levers 7 are pushed down to disengage the engagement protrusion 11 from the engagement recess 21 and the battery pack 1 is removed.
[0018]
Therefore, even if the upper and lower levers 7 are accidentally touched when the battery pack 1 is mounted, the lock mechanism 10 is operated to prevent the upper and lower levers 7 from being lowered, so that the battery pack 1 may be prevented from coming off. Absent.
In particular, in the present embodiment, the width of the abutting portion 27 is gradually increased toward the pivot point of the horizontal lever 25 so that the entire length of the side edge of the abutting portion 27 can be simultaneously abutted or separated from the horizontal lever 25. Since the locking mechanism 10 can be reliably turned on and off at the predetermined rotation position of the horizontal lever 25, the operation of the locking mechanism 10 is performed smoothly.
[0019]
Furthermore, in this embodiment, since the locking mechanism 10 can be turned on and off with certainty, there is no half-locked state, and the side edge 27a of the contact portion 27 of the upper and lower levers 7 and the side edge of the horizontal lever 25 There is no inconvenience such as wear between 25a or unexpected stress acting between the levers 7 and 25.
Further, the rear side surface 27b of the contact portion 27 of the upper and lower levers 7 and the front side surface 25b of the horizontal lever 25 corresponding to the rear side surface 27b are formed at the center of rotation of the upper and lower levers 7 as shown in FIG. It is formed on the same circular arc surface centered on a certain main shaft 16 so that it does not interfere with the horizontal lever 27 even if the upper and lower levers 7 are lowered.
[0020]
That is, if the side surfaces 27b and 25b are planes perpendicular to the horizontal plane, the movement of the up / down lever 7 is rotation, so that the abutting portion 27 approaches the main shaft 16 side as the up / down lever 7 is lowered, and It interferes with the side surface 25b of the lever 25. For this reason, in addition to the spring force of the locking spring 9, the spring force of the locking spring 28 acts as a load on the upper and lower levers 7, and the operation of the upper and lower levers 7 increases accordingly.
[0021]
However, if the side surfaces 27b and 25b are circular arc surfaces with the main shaft 16 as the center as in this embodiment, the contact portion 27 does not interfere with the horizontal lever 25 even when the upper and lower levers 7 are lowered, as described above. Further, the locking spring 8 does not act on the upper / lower lever 7. Therefore, the pressing operation of the upper / lower lever 7 does not become heavy.
In the above-described embodiment, the width of the contact portion 27 is gradually narrowed toward the rotation fulcrum of the horizontal lever 25. However, the width may be the same.
[0022]
Further, the loading position of the locking spring 28 is not limited to the above-described embodiment, and any position may be used as long as the locking spring 28 can be held at a position that prevents the horizontal lever 25 from rotating downward. Also, a leaf spring may be used.
Further, if the horizontal lever 25 can also be rotated, a curved shape or an L-shaped bent shape may be used.
[0023]
Moreover, in the said Example, although the engagement body 8 was assembled | attached so that rotation with respect to the up-and-down lever 7 was possible, the engagement body 8 may be assembled | attached so that the up-and-down movement was possible simply.
Further, in the above embodiment, the battery pack lower end protrusion 19 is engaged with the locking recess 20, but if the battery pack lower end is prevented from being removed at the opening edge of the battery pack storage portion 3, It is not necessary to provide the lower end protrusion 19 and the locking recess 20.
[0024]
【The invention's effect】
As is clear from the above description, according to the present invention, there is no danger that the battery pack will come off even if the upper and lower levers are accidentally touched during surveying. You can put on and take off the pack. Further, since there is no protective cover as in the conventional structure, the appearance of the surveying instrument is not impaired.
According to the second and fourth aspects , since the lock mechanism can be reliably released by the rotation of the horizontal lever, the battery pack can be removed smoothly.
According to the third and fourth aspects, since the upper and lower levers are always pushed down, the battery pack can be taken out more smoothly.
it can.
[Brief description of the drawings]
FIG. 1 is a perspective view of a battery pack attaching / detaching mechanism of a surveying instrument according to an embodiment of the present invention.
FIG. 2 is a longitudinal sectional view when the lock mechanism of the battery pack attaching / detaching mechanism is operated.
FIG. 3 is a plan view when the lock mechanism of the battery pack attaching / detaching mechanism is operated.
FIG. 4 is a perspective view of a main part of the battery pack attaching / detaching mechanism.
FIG. 5 is a longitudinal sectional view of the battery pack attaching / detaching mechanism when the lock mechanism is released.
FIG. 6 is a plan view of the battery pack attaching / detaching mechanism when the lock mechanism is released.
FIG. 7 is a cross-sectional view for explaining the shapes of a vertical lever side contact portion and a horizontal lever. FIG. 8 is a vertical cross-sectional view of a conventional battery pack attaching / detaching mechanism.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Battery pack 2 Surveying instrument main body 7 Upper / lower lever 8 Engagement body 9 Locking spring 10 Lock mechanism 11 Engagement convex part 25 Horizontal lever 25a Side edge part 25b on the front side of a horizontal lever Front side surface 26 of a horizontal lever Button 27 Contact part 27a Side edge portion 27b on the rear surface side of the contact portion Rear surface 28 of the contact portion Locking spring

Claims (4)

測量機本体に設けられたバッテリパック収納部と、
前記バッテリパック収納部に収納されるバッテリパックと、
ッテリパックケースの上部に前後に延設され、前記バッテリパックケース前面に操作部が露出する上下方向に回動可能な上下レバーと、
前記上下レバーに組み付けられて、上下レバーと一体に回動し、かつ上下レバーに対し上下動し、バッテリパックケース上面に突出し、バッテリパック収納部に形成された係合凹部と係合する係合凸部を有する係合体と、
前記係合体とバッテリパックケース間に介装され、係合凸部が前記係合凹部に係合する方向に係合体および上下レバーを付勢する係止ばねと、を備え、
前記係止ばねの付勢力によって前記係合凸部が係合凹部に係合してバッテリパックが抜け止めされ、一方、前記上下レバーを係止ばねの付勢力に抗して押し下げることにより、前記係合凸部と係合凹部との係合が外れてバッテリパックの抜け止めが解除される測量機のバッテリパック着脱機構であって、
前記上下レバーの下方に上下レバーとほぼ直交するように延設され、上下レバーの下方への回動を阻止する水平回動可能な水平レバーと、
前記水平レバーの回動支点の反対端に設けられバッテリパックケースの前面に突出する釦と、
前記上下レバー下面に突設された前記水平レバーとの当接部と、
前記水平レバーを上下レバーの当接部下方対応位置に保持する施錠ばねと、からなるロック機構を設けたことを特徴とする測量機のバッテリパック着脱機構。
A battery pack storage provided in the surveying instrument body;
A battery pack stored in the battery pack storage unit;
Extending around the top of the bar Tsu Terri pack case, and vertically rotatable upper and lower lever operating portion exposed to the battery pack case front,
Engaged with the upper and lower levers, pivots integrally with the upper and lower levers, moves up and down with respect to the upper and lower levers, protrudes to the upper surface of the battery pack case, and engages with an engaging recess formed in the battery pack housing portion An engagement body having a convex portion;
A locking spring that is interposed between the engaging body and the battery pack case, and that biases the engaging body and the upper and lower levers in a direction in which the engaging convex portion engages with the engaging concave portion,
The engaging convex portion engages with the engaging concave portion by the biasing force of the locking spring to prevent the battery pack from coming off, while the upper and lower levers are pushed down against the biasing force of the locking spring, thereby A battery pack attaching / detaching mechanism of a surveying instrument in which the engagement between the engaging convex part and the engaging concave part is released and the battery pack is prevented from coming off.
A horizontal lever that extends below the upper and lower levers so as to be substantially orthogonal to the upper and lower levers and prevents the upper and lower levers from rotating downward, and
A button provided at the opposite end of the pivoting fulcrum of the horizontal lever and protruding from the front of the battery pack case;
A contact portion with the horizontal lever protruding from the lower surface of the upper and lower levers;
A battery pack attaching / detaching mechanism for a surveying instrument, comprising: a locking mechanism comprising a locking spring for holding the horizontal lever at a position corresponding to a lower part of a contact portion of the upper and lower levers.
前記上下レバーの当接部および水平レバーを矩形断面に形成するとともに、ロック機構を解除すべく水平レバーを所定量回動させたときに、水平レバーと前記当接部間の当接が水平レバーの側縁部に沿って同時に解除されるように、上下レバーの当接部の幅を、水平レーの回動支点に向かうに従って徐々に狭幅に形成したことを特徴とする請求項1記載の測量機のバッテリパック着脱機構。  The abutment portion of the upper and lower levers and the horizontal lever are formed in a rectangular cross section, and when the horizontal lever is rotated by a predetermined amount to release the lock mechanism, the abutment between the horizontal lever and the abutment portion is a horizontal lever. The width of the abutment portion of the upper and lower levers is gradually narrowed toward the rotation fulcrum of the horizontal tray so as to be simultaneously released along the side edge portion of the horizontal lever. Battery pack attachment / detachment mechanism for surveying instrument. 前記当接部の後側面とこの後側面に対応する水平レバーの前側面が、上下レバーの回動中心を中心とする同一円弧面に形成されたことを特徴とする請求項1記載の測量機のバッテリパック着脱機構。  2. The surveying instrument according to claim 1, wherein a rear side surface of the contact portion and a front side surface of a horizontal lever corresponding to the rear side surface are formed on the same circular arc surface centering on a rotation center of the upper and lower levers. Battery pack attachment / detachment mechanism. 前記ロック機構を解除すべく水平レバーを所定量回動させたときに、水平レバーと前記当接部間の当接が水平レバーの側縁部に沿って同時に解除されるように、上下レバーの当接部の幅を水平レバーの回動支点に向かうに従って徐々に狭幅に形成するとともに、前記当接部の後側面とこの後側面に対応する水平レバーの前側面が、上下レバーの回動中心を中心とする同一円弧面に形成されたことを特徴とする請求項1記載の測量機のバッテリパック着脱機構。  When the horizontal lever is rotated by a predetermined amount to release the lock mechanism, the contact between the horizontal lever and the contact portion is simultaneously released along the side edge of the horizontal lever. The width of the abutment portion is gradually narrowed toward the pivoting fulcrum of the horizontal lever, and the rear side surface of the abutment portion and the front side surface of the horizontal lever corresponding to the rear side surface rotate the upper and lower levers. 2. The battery pack attaching / detaching mechanism for a surveying instrument according to claim 1, wherein the battery pack attaching / detaching mechanism is formed on the same circular arc surface centering on the center.
JP21084296A 1996-08-09 1996-08-09 Surveyor battery pack attachment / detachment mechanism Expired - Fee Related JP3691166B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21084296A JP3691166B2 (en) 1996-08-09 1996-08-09 Surveyor battery pack attachment / detachment mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21084296A JP3691166B2 (en) 1996-08-09 1996-08-09 Surveyor battery pack attachment / detachment mechanism

Publications (2)

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JPH1054717A JPH1054717A (en) 1998-02-24
JP3691166B2 true JP3691166B2 (en) 2005-08-31

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103797609B (en) * 2011-04-28 2016-12-14 佐尔循环公司 Bolt lock mechanism for battery maintenance
DE102015122844A1 (en) * 2015-12-27 2017-06-29 Faro Technologies, Inc. 3D measuring device with battery pack
CN107799680A (en) * 2016-08-31 2018-03-13 苏州宝时得电动工具有限公司 Waterproof battery bag
JP7224991B2 (en) * 2019-03-27 2023-02-20 株式会社トプコン Power supply unit mounting structure and surveying equipment

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