WO2009065324A1 - A handhold power tool's charging set - Google Patents

A handhold power tool's charging set Download PDF

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Publication number
WO2009065324A1
WO2009065324A1 PCT/CN2008/072674 CN2008072674W WO2009065324A1 WO 2009065324 A1 WO2009065324 A1 WO 2009065324A1 CN 2008072674 W CN2008072674 W CN 2008072674W WO 2009065324 A1 WO2009065324 A1 WO 2009065324A1
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WO
WIPO (PCT)
Prior art keywords
charging
conductive
battery holder
power tool
circuit board
Prior art date
Application number
PCT/CN2008/072674
Other languages
French (fr)
Chinese (zh)
Inventor
Gwo-Rong Lay
Original Assignee
Gwo-Rong Lay
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gwo-Rong Lay filed Critical Gwo-Rong Lay
Publication of WO2009065324A1 publication Critical patent/WO2009065324A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/46—Accumulators structurally combined with charging apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/271—Lids or covers for the racks or secondary casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the utility model relates to a power tool accessory, in particular to a charging device of a hand-held power tool.
  • FIG. 1 and FIG. 2 A known hand-held power tool and a charging device thereof are disclosed in FIG. 1 and FIG. 2 of the novel case of China TW No. M297821.
  • the bottom of the hand-held power tool carries a rechargeable battery with a base, and the rechargeable battery provides The power required to operate the power tool. When the battery is exhausted, the operator can take the base out and attach it to a charging stand for charging.
  • the battery and the charging base are oppositely provided with a groove and a protruding post.
  • the protruding post and the groove are provided with metal conductive elements which are electrically conductive with relative contact, and the two are electrically connected to each other when combined.
  • the present invention proposes a novel state of charge device for a hand-held power tool. Summary of the invention
  • the utility model aims to provide a charging device for a hand-held power tool, which overcomes the defects of the above-mentioned conventional structure, avoids excessive exposure of the conductive element to the environment and rapidly oxidizes, and also prevents small-sized foreign matter from adhering to the On the conductive element, the risk of a decrease in electrical conductivity and a short circuit is reduced.
  • the safety cover can be pushed away when the battery holder is coupled to the charging stand, which is very convenient to use.
  • a charging device for a hand-held power tool includes a battery holder and a charging base.
  • the battery holder and the charging base have electronic components for charging and transmitting functions therein; and the special feature is:
  • a charging circuit board is disposed inside the charging base and electrically connected to the electronic component to which the charging stand belongs;
  • the conductive element has a second end engageable with the conductive receiving portion, the second end is upwardly extended and can be bounced up and down On the surface of the charging stand;
  • a safety cover that can be positioned between a first position and a second position and movable between the two is disposed inside the charging stand; the first position completely covers the second end of the plurality of conductive elements, The second position completely exposes the second ends of the plurality of conductive elements;
  • a battery circuit board disposed inside the battery holder and electrically connected to an electronic component inside the battery holder;
  • the conductive receiving portion corresponding to the number of the conductive elements is disposed on the battery circuit board, and each of the conductive receiving portions has an area larger than a cross section of the second end of the conductive element; the battery holder corresponds to the conductive receiving portion An opening is provided corresponding to the opening for exposing the conductive receiving portion.
  • the safety cover has an elastic spring that can be normally located in the first position.
  • the two ends of the spring are fixed on the charging circuit board and surround a spring receiving portion of the safety cover.
  • the battery circuit board of the battery holder includes two electric output portions.
  • Each of the electrical output portions includes a first conductive sheet, a second conductive sheet, and a third conductive sheet.
  • the two ends of the first conductive sheet are respectively disposed opposite to the second conductive sheet and the third conductive sheet.
  • the locating post has a plurality of positioning protrusions penetrating into the positioning holes around the charging circuit board, and a tail end thereof has a stopping portion for preventing the positioning protrusion from coming off the positioning hole.
  • the upper surface of the charging base is provided with an inclined guiding surface for guiding the battery holder into a charging position.
  • the two sides of the guiding surface and the opposite positions of the battery holder are provided with bumps and grooves that can be slidably engaged with each other.
  • the charging circuit board and the battery circuit board are used to simplify assembly of the electronic components of the charging stand and the battery holder.
  • the safety cover of the utility model can protect the inner conductive component when the charging base is not in use, avoid excessive exposure of the conductive component to the environment and rapidly oxidize, and can prevent small-sized impurities from adhering to the conductive component, thereby reducing The risk of reduced electrical conductivity and short circuit.
  • the safety cover can be pushed away when the battery holder is coupled to the charging stand, which is very convenient to use.
  • the conductive receiving portion of the battery holder of the present invention has a cross-sectional area having a predetermined size and a relative area larger than that of the conductive member of the charging stand, thereby providing a relatively large conductive contact area to ensure that each conductive element is charged.
  • the second end does make contact with the conductive receiving portion.
  • the two electric output portions of the battery holder form a total of four effective electrical transmission contact portions with respect to the pins of the power receiving portion of the power tool, thereby increasing the contact area of the two to ensure the contact area of the two.
  • the battery is stably transmitted to the power tool, and it can cope with the electric energy required for the high-power operation of the power tool.
  • the space of the charging stand and the battery holder can be reduced by effectively utilizing the space.
  • FIG. 1 is an exploded perspective view of a battery holder and a charging stand of the present invention.
  • FIG. 2 is a combined appearance view of the battery holder and the charging stand of the present invention.
  • FIG. 3 is a perspective view of the safety cover of the charging stand of the present invention pushed away by the battery holder.
  • FIG. 4 is an exploded perspective view of the safety cover and the charging circuit board of the present invention.
  • Figure 5 is an exploded perspective view of the battery holder of the present invention.
  • Figure 6 is an external view of the battery circuit board of the present invention.
  • FIG. 7 is a combined side view and a partial cross-sectional view of the battery holder and the charging stand of the present invention. detailed description
  • the charging device of the present invention comprises a battery holder 60 and a charging stand 30.
  • the battery holder 60 is coupled to a hand-held power tool (not shown) to provide power required for the operation of the power tool by the associated rechargeable battery; the battery holder can also be detached from the power tool and coupled to the battery holder 60 Charging is performed on the charging stand 30.
  • the charging stand 30 of the present invention includes:
  • An inclined guiding surface 32 is disposed on the upper surface of the base 31 of the charging base 30, and the guiding surface 32 is used for guiding the battery holder 60 to enter a charging position for positioning.
  • the two sides of the guiding surface 32 and the opposite positions of the battery holder 60 are provided with the protrusions 33 and the grooves 61 which are slidably engaged with each other to assist the battery holder 60 to accurately reach the charging position, or to move in the opposite direction. The direction is out of the charging position.
  • a charging circuit board 40 is fixed in the seat body 31 of the charging base 30.
  • the printed circuit on the charging circuit board is electrically connected to the electronic component having the power transmission function.
  • a conductive unit 41 is disposed on the charging circuit board 40.
  • the conductive unit 41 is formed by a plurality of hook-shaped conductive elements 42.
  • the first end 421 of each conductive element 42 is fixed to the charging circuit board 40, and the second end 422 is lifted up to form a vertically movable state. And protrudes from the upper surface of the seat body 31.
  • a safety cover 50 is disposed inside the seat body 31 and is positionable between a first position and a second position and moves between the two.
  • the first position completely covers the second end 422 of the plurality of conductive elements 42 (shown in FIG. 1), the second position completely exposing the second end 422 of the plurality of conductive elements 42 (shown in FIG. 3) ).
  • the safety cover 50 is normally in the first position by the elastic force of a spring 51.
  • the safety cover 50 is pushed to the second position so that the conductive member 42
  • Both ends of the spring 51 are fixed to the charging path board 40 and bypass the spring receiving portion 52 of the safety cover 50.
  • the battery holder 60 shown in FIG. 1, FIG. 2, FIG. 5, and FIG. 6 already has a rechargeable battery 63 and has a power transmission function.
  • the electronic components of the energy, this part is a known technology, and will not be described here.
  • the battery holder 60 of the present invention includes:
  • a battery circuit board 70 is fixed to the inside of the battery holder 60, and the printed circuit thereon is electrically connected to the above-mentioned rechargeable battery 63 and its associated electronic component having a power transmission function.
  • the conductive receiving portion 71 corresponding to the conductive member 42 is disposed on the battery circuit board 70.
  • Each of the conductive receiving portions 71 has a predetermined size and is relatively larger than an area of a cross section of the second end 422 of the conductive member 42.
  • the battery holder 60 is provided with a corresponding number of openings 64 corresponding to the conductive receiving portion 71 to expose the conductive receiving portion 71.
  • the second end 422 of the conductive member 42 can be electrically connected thereto.
  • the receiving portion 71 is joined to generate a conductive function.
  • the second electrical output portion 80 is disposed on the battery circuit board 70.
  • Each of the electrical output portions 80 includes a first conductive sheet 81, a second conductive sheet 82, and a third conductive sheet 83.
  • the first conductive sheet 81 The two ends are opposite to the second conductive piece 82 and the third conductive piece 83, and a pin (not shown) of the electric receiving part belonging to the electric tool is interposed therebetween, and the two electric energy output parts 80 form a total of four with respect to the pin. Conductive contact.
  • the battery holder 60 of the present invention is obliquely embedded on the charging stand 30 and in a charging position.
  • the safety cover 50 is pushed forward.
  • the second end 422 of the conductive member 42 of the charging stand 30 can contact the conductive receiving portion 71 of the battery holder 60, that is, start charging.
  • the figure shows that the inside of the charging stand 30 is inserted into the positioning hole around the charging circuit board 40 by a plurality of positioning protrusions 34 extending downward, and is formed or disposed at the tail end of the positioning protrusion 34.
  • the stopper portion 341 prevents the positioning boss 34 from coming off the positioning hole 43 , whereby the charging path plate 40 is fixed in the charging stand 30 .

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

There is a handhold power tool's charging set, which includes a battery seat and a charge seat. In the charge seat there are some electric conduction parts on a charging circuit board, and in the charge seat there is a moveable safety cover in addition. When the battery seat is not used, the safety cover may cover these electric conduction parts, and when the battery seat is connected to the charge seat, the safety cover may be put off and does not cover these electric conduction parts. In this battery seat there are several electric conduction receive departments which contact with those electric conduction parts.

Description

手持式电动工具的充电装置 技术领域  Charging device for hand-held power tools
本实用新型涉及电动工具附件， 尤其是一种手持式电动工具的充电装置。 背景技术  The utility model relates to a power tool accessory, in particular to a charging device of a hand-held power tool. Background technique
一种已知的手持式电动工具及其充电装置，于中国 TW第 M297821号新型案的图 1及图 2中揭露， 手持电动工具的底部以一底座携载一可充电电池， 该充电电池提 供该电动工具运作所需的电力。 当电池的电力耗尽时， 操作者可将该底座取出并 结合于一充电座进行充电。 该电池及充电座相对设有一凹槽及一凸柱， 该凸柱及 凹槽皆备有可相对接触而导电的金属导电元件， 两者结合时为电气相接的状态。 实际使用经验显示， 环境中体积较小的杂物容易落入该凹槽中而且难以清理干净， 阻碍凹槽及凸柱的金属导电元件相对接触的导电效果， 对充电效果产生负面影响， 且落入的杂物若具有导电性， 充电座将发生短路烧毁的危险。  A known hand-held power tool and a charging device thereof are disclosed in FIG. 1 and FIG. 2 of the novel case of China TW No. M297821. The bottom of the hand-held power tool carries a rechargeable battery with a base, and the rechargeable battery provides The power required to operate the power tool. When the battery is exhausted, the operator can take the base out and attach it to a charging stand for charging. The battery and the charging base are oppositely provided with a groove and a protruding post. The protruding post and the groove are provided with metal conductive elements which are electrically conductive with relative contact, and the two are electrically connected to each other when combined. The actual experience shows that the small volume of debris in the environment easily falls into the groove and is difficult to clean, which hinders the conductive effect of the metal conductive elements of the groove and the post relative to the contact, which has a negative impact on the charging effect. If the incoming debris is electrically conductive, the charging base will run short-circuit and burn.
因此， 本实用新型针对手持式电动工具而提出新型态的充电装置。 发明内容  Therefore, the present invention proposes a novel state of charge device for a hand-held power tool. Summary of the invention
本实用新型目的在于， 提供一种手持式电动工具的充电装置， 以克服上述传 统结构的缺陷， 避免导电元件过度的曝露于环境中而快速氧化， 亦可避免体积较 小的杂物附着于该导电元件上， 减少因此而致导电性能降低及短路的风险。 该安 全盖可在电池座结合于充电座时被顺势推开， 使用非常方便。  The utility model aims to provide a charging device for a hand-held power tool, which overcomes the defects of the above-mentioned conventional structure, avoids excessive exposure of the conductive element to the environment and rapidly oxidizes, and also prevents small-sized foreign matter from adhering to the On the conductive element, the risk of a decrease in electrical conductivity and a short circuit is reduced. The safety cover can be pushed away when the battery holder is coupled to the charging stand, which is very convenient to use.
根据上述目的， 一种手持式电动工具的充电装置， 该充电装置包括一电池座 及一充电座， 该电池座及充电座内部具有用于充电、 输电功能的电子组件； 其特 征在于：  According to the above object, a charging device for a hand-held power tool includes a battery holder and a charging base. The battery holder and the charging base have electronic components for charging and transmitting functions therein; and the special feature is:
一座充电路板， 设于该充电座内部， 与该充电座所属的上述电子组件电性连 接；  a charging circuit board is disposed inside the charging base and electrically connected to the electronic component to which the charging stand belongs;
若干导电元件， 其第一端固定于该座充电路板上， 该导电元件并具有可与该 导电接收部相接合的第二端， 该第二端向上扬伸并可上下弹动地凸出于该充电座 的表面；  a plurality of conductive elements, the first end of which is fixed on the charging circuit board, the conductive element has a second end engageable with the conductive receiving portion, the second end is upwardly extended and can be bounced up and down On the surface of the charging stand;
一可定位于一第一位置及一第二位置并可于两者之间移动的安全盖， 设于该 充电座内部； 该第一位置完全地遮盖住上述若干导电元件的第二端， 该第二位置 完全地裸露上述若干导电元件的第二端；  a safety cover that can be positioned between a first position and a second position and movable between the two is disposed inside the charging stand; the first position completely covers the second end of the plurality of conductive elements, The second position completely exposes the second ends of the plurality of conductive elements;
一电池电路板， 设于该电池座内部， 与该电池座内部的电子组件电性连接； 数量与上述导电元件的数量对应的导电接收部， 设于该电池电路板上， 每一 导电接收部均具有尺寸相对大于该导电元件第二端横断面的面积； 该电池座对应 该导电接收部设有数量对应用以使导电接收部显露的开口。 a battery circuit board disposed inside the battery holder and electrically connected to an electronic component inside the battery holder; The conductive receiving portion corresponding to the number of the conductive elements is disposed on the battery circuit board, and each of the conductive receiving portions has an area larger than a cross section of the second end of the conductive element; the battery holder corresponds to the conductive receiving portion An opening is provided corresponding to the opening for exposing the conductive receiving portion.
其中， 该安全盖具有一可使其常态地位于该第一位置的具弹力作用的弹簧。 其中， 该弹簧的两端被固定于该座充电路板上， 并绕于该安全盖的一弹簧接 收部。  Wherein, the safety cover has an elastic spring that can be normally located in the first position. The two ends of the spring are fixed on the charging circuit board and surround a spring receiving portion of the safety cover.
其中， 该电池座的电池电路板包括二电输出部。  The battery circuit board of the battery holder includes two electric output portions.
其中， 每一电输出部包括一第一导电片、 一第二导电片及一第三导电片， 该 第一导电片的两端分别相对该第二导电片及第三导电片设置。  Each of the electrical output portions includes a first conductive sheet, a second conductive sheet, and a third conductive sheet. The two ends of the first conductive sheet are respectively disposed opposite to the second conductive sheet and the third conductive sheet.
其中， 该充电座的内部延伸有若干定位凸柱穿入该座充电路板周边的定位孔 中， 其尾端具有一防止该定位凸柱脱离该定位孔的挡止部。  The locating post has a plurality of positioning protrusions penetrating into the positioning holes around the charging circuit board, and a tail end thereof has a stopping portion for preventing the positioning protrusion from coming off the positioning hole.
其中， 该充电座的上表面设有用以引导上述电池座进入一充电位置的倾斜的 导引面。  The upper surface of the charging base is provided with an inclined guiding surface for guiding the battery holder into a charging position.
其中， 该导引面两侧以及该电池座的相对位置设有可彼此滑嵌接合的凸块及 凹槽。  The two sides of the guiding surface and the opposite positions of the battery holder are provided with bumps and grooves that can be slidably engaged with each other.
本实用新型有益效果： 基于上述本实用新型中心思想， 利用该座充电路板及 电池电路板得以简化该充电座及电池座的内部电子零组件的组装配接。  Advantageous Effects of the Invention: Based on the central idea of the present invention, the charging circuit board and the battery circuit board are used to simplify assembly of the electronic components of the charging stand and the battery holder.
本实用新型的安全盖可在充电座不使用时保护内部的导电元件， 避免导电元 件过度的曝露于环境中而快速氧化， 亦可避免体积较小的杂物附着于该导电元件 上， 减少因此而致导电性能降低及短路的风险。 该安全盖可在电池座结合于充电 座时被顺势推开， 使用非常方便。  The safety cover of the utility model can protect the inner conductive component when the charging base is not in use, avoid excessive exposure of the conductive component to the environment and rapidly oxidize, and can prevent small-sized impurities from adhering to the conductive component, thereby reducing The risk of reduced electrical conductivity and short circuit. The safety cover can be pushed away when the battery holder is coupled to the charging stand, which is very convenient to use.
本实用新型电池座的导电接收部为具有预定尺寸且相对面积大于该充电座的 导电元件的横断面面积， 据以提供相对较大的导电接触面积， 以确保进行充电时， 每一导电元件的第二端确实与导电接收部接触。  The conductive receiving portion of the battery holder of the present invention has a cross-sectional area having a predetermined size and a relative area larger than that of the conductive member of the charging stand, thereby providing a relatively large conductive contact area to ensure that each conductive element is charged. The second end does make contact with the conductive receiving portion.
本实用新型电池座结合于电动工具进行供电时， 其所属的二电输出部相对于 电动工具的电能接收部的插脚总共形成四个有效的电传输接触部， 增加两者的接 触面积， 以确保电池稳定的输电予电动工具， 特别可以应付电动工具大马力运作 时所需的电能。  When the battery holder of the present invention is combined with the power tool for power supply, the two electric output portions of the battery holder form a total of four effective electrical transmission contact portions with respect to the pins of the power receiving portion of the power tool, thereby increasing the contact area of the two to ensure the contact area of the two. The battery is stably transmitted to the power tool, and it can cope with the electric energy required for the high-power operation of the power tool.
基于本实用新型所揭露的充电座及电池座的样态， 可以有效的利用空间而缩 减充电座及电池座的体积。  Based on the state of the charging stand and the battery holder disclosed in the present invention, the space of the charging stand and the battery holder can be reduced by effectively utilizing the space.
为便于说明本实用新型于上述发明内容一栏中所表示的中心思想， 兹以具 体实施例表达。实施例中各种不同物件及其变形量或位移量系按适于例举说明 的比例， 而非按实际元件的比例予以绘制， 合先叙明。 附图说明 For the convenience of the description, the central idea expressed in the column of the above invention is expressed by a specific embodiment. The various items and their amounts of deformation or displacement in the embodiments are drawn in proportions that are suitable for illustrative purposes, and not in proportion to actual elements, as set forth above. DRAWINGS
图 1为本实用新型电池座及充电座的立体分解图。  1 is an exploded perspective view of a battery holder and a charging stand of the present invention.
图 2为本实用新型电池座及充电座的组合外观图。  2 is a combined appearance view of the battery holder and the charging stand of the present invention.
图 3为本实用新型充电座的安全盖被电池座推开的立体外观图。  FIG. 3 is a perspective view of the safety cover of the charging stand of the present invention pushed away by the battery holder.
图 4为本实用新型安全盖及座充电路板的立体分解图。  4 is an exploded perspective view of the safety cover and the charging circuit board of the present invention.
图 5为本实用新型电池座的立体分解图。  Figure 5 is an exploded perspective view of the battery holder of the present invention.
图 6为本实用新型电池电路板的外观图。  Figure 6 is an external view of the battery circuit board of the present invention.
图 7为本实用新型电池座及充电座的组合侧面暨局部剖视图。 具体实施方式  7 is a combined side view and a partial cross-sectional view of the battery holder and the charging stand of the present invention. detailed description
请参阅图 1及图 2， 本实用新型充电装置包括一电池座 60及一充电座 30。 该电 池座 60结合于一手持式电动工具（图未示）， 以其所属的充电电池提供该电动工具 运作时所需的电力； 该电池座亦可从该电动工具上卸离而结合于该充电座 30上进 行充电。  Referring to FIG. 1 and FIG. 2, the charging device of the present invention comprises a battery holder 60 and a charging stand 30. The battery holder 60 is coupled to a hand-held power tool (not shown) to provide power required for the operation of the power tool by the associated rechargeable battery; the battery holder can also be detached from the power tool and coupled to the battery holder 60 Charging is performed on the charging stand 30.
图 1及图 2所表示的充电座 30内部已备置了具输电功能的相关电子零组件， 此 部份为己知技术， 在此不多加赘述。  The related electronic components having the power transmission function are already provided in the charging stand 30 shown in Fig. 1 and Fig. 2. These parts are known in the art, and will not be further described herein.
请参图 1至图 4， 本实用新型充电座 30的特征包括：  Referring to FIG. 1 to FIG. 4, the charging stand 30 of the present invention includes:
一设于该充电座 30的座体 31上表面的倾斜式导引面 32， 该导引面 32用以引导 上述电池座 60进入一充电位置就定位。 该导引面 32两侧以及该电池座 60的相对位 置设有可彼此滑嵌接合的凸块 33及凹槽 61， 以辅助该电池座 60准确的抵达该充电 位置， 或者以一相反的移动方向脱离该充电位置。  An inclined guiding surface 32 is disposed on the upper surface of the base 31 of the charging base 30, and the guiding surface 32 is used for guiding the battery holder 60 to enter a charging position for positioning. The two sides of the guiding surface 32 and the opposite positions of the battery holder 60 are provided with the protrusions 33 and the grooves 61 which are slidably engaged with each other to assist the battery holder 60 to accurately reach the charging position, or to move in the opposite direction. The direction is out of the charging position.
一座充电路板 40， 被固定于该充电座 30的座体 31内部， 其上的印刷电路与上 述具输电功能的电子零组件电性连接； 一导电单元 41设于该座充电路板 40， 该导 电单元 41是由若干弯勾状的导电元件 42所构成， 该各导电元件 42的第一端 421固定 于该座充电路板 40， 第二端 422则往上扬起形成一可上下弹动的状态并凸出该座体 31的上表面。  A charging circuit board 40 is fixed in the seat body 31 of the charging base 30. The printed circuit on the charging circuit board is electrically connected to the electronic component having the power transmission function. A conductive unit 41 is disposed on the charging circuit board 40. The conductive unit 41 is formed by a plurality of hook-shaped conductive elements 42. The first end 421 of each conductive element 42 is fixed to the charging circuit board 40, and the second end 422 is lifted up to form a vertically movable state. And protrudes from the upper surface of the seat body 31.
一安全盖 50， 设于该座体 31内部， 其可定位于一第一位置及一第二位置， 并 于两者之间移动。 该第一位置完全地遮盖住上述的若干导电元件 42的第二端 422 (如图 1所示）， 该第二位置完全地裸露上述若干导电元件 42的第二端 422 (如图 3 所示）。 该安全盖 50受一弹簧 51的弹力作用而常态地位于第一位置， 当上述电池座 60结合于该充电座 30时， 该安全盖 50被顺势推向第二位置， 以便导电元件 42的第 二端 422与电池座 60的导电接收部 71相接合而产生导电功能。该弹簧 51两端被固定 于该座充电路板 40上， 并绕过该安全盖 50的弹簧接收部 52。  A safety cover 50 is disposed inside the seat body 31 and is positionable between a first position and a second position and moves between the two. The first position completely covers the second end 422 of the plurality of conductive elements 42 (shown in FIG. 1), the second position completely exposing the second end 422 of the plurality of conductive elements 42 (shown in FIG. 3) ). The safety cover 50 is normally in the first position by the elastic force of a spring 51. When the battery holder 60 is coupled to the charging stand 30, the safety cover 50 is pushed to the second position so that the conductive member 42 The two ends 422 are joined to the conductive receiving portion 71 of the battery holder 60 to generate a conductive function. Both ends of the spring 51 are fixed to the charging path board 40 and bypass the spring receiving portion 52 of the safety cover 50.
图 1、 图 2、 图 5、 图 6所表示的电池座 60内部已具备充电电池 63以及具输电功 能的电子零组件， 此部份为已知技术， 在此不多加赘述。 The battery holder 60 shown in FIG. 1, FIG. 2, FIG. 5, and FIG. 6 already has a rechargeable battery 63 and has a power transmission function. The electronic components of the energy, this part is a known technology, and will not be described here.
请参图 5、 图 6， 本实用新型电池座 60的特征包括：  Referring to FIG. 5 and FIG. 6, the battery holder 60 of the present invention includes:
一电池电路板 70， 被固定于该电池座 60的内部， 其上的印刷电路与上述充电 电池 63及其所属的具输电功能的电子零组件电性连接。  A battery circuit board 70 is fixed to the inside of the battery holder 60, and the printed circuit thereon is electrically connected to the above-mentioned rechargeable battery 63 and its associated electronic component having a power transmission function.
数量与上述导电元件 42对应的导电接收部 71， 设于该电池电路板 70上， 每一 导电接收部 71均具有预定尺寸且相对大于该导电元件 42的第二端 422横断面的面 积； 该电池座 60对应该导电接收部 71设数量对应的开口 64， 以便使导电接收部 71 显露， 并在电池座 60结合于该充电座 30时， 该导电元件 42的第二端 422能与该导电 接收部 71相接合而产生导电功能。  The conductive receiving portion 71 corresponding to the conductive member 42 is disposed on the battery circuit board 70. Each of the conductive receiving portions 71 has a predetermined size and is relatively larger than an area of a cross section of the second end 422 of the conductive member 42. The battery holder 60 is provided with a corresponding number of openings 64 corresponding to the conductive receiving portion 71 to expose the conductive receiving portion 71. When the battery holder 60 is coupled to the charging stand 30, the second end 422 of the conductive member 42 can be electrically connected thereto. The receiving portion 71 is joined to generate a conductive function.
二电输出部 80， 设于该电池电路板 70上， 每一电输出部 80包括一第一导电片 81、 一第二导电片 82及一第三导电片 83， 该第一导电片 81的两端分别相对该第二 导电片 82及第三导电片 83， 其间可供一属于电动工具的电接收部的插脚（图未示) 插置其中， 二电能输出部 80相对该插脚共形成四个具导电功能的接触。  The second electrical output portion 80 is disposed on the battery circuit board 70. Each of the electrical output portions 80 includes a first conductive sheet 81, a second conductive sheet 82, and a third conductive sheet 83. The first conductive sheet 81 The two ends are opposite to the second conductive piece 82 and the third conductive piece 83, and a pin (not shown) of the electric receiving part belonging to the electric tool is interposed therebetween, and the two electric energy output parts 80 form a total of four with respect to the pin. Conductive contact.
如图 7， 本实用新型的电池座 60倾斜地滑嵌于该充电座 30上并就一充电位置， 当电池座 60滑嵌于该充电座 30的路程中， 即顺势推开该安全盖 50， 该充电座 30的 导电元件 42的第二端 422即可接触该电池座 60的导电接收部 71， 即开始进行充电。 图式中简要的表示了该充电座 30的内部以向下延伸的若干定位凸柱 34穿入该座充 电路板 40周边的定位孔中， 并在定位凸柱 34的尾端形成或设置一挡止部 341， 以防 止定位凸柱 34脱离定位孔 43， 据此， 该座充电路板 40被固定于该充电座 30内。  As shown in FIG. 7, the battery holder 60 of the present invention is obliquely embedded on the charging stand 30 and in a charging position. When the battery holder 60 is slidably embedded in the charging stand 30, the safety cover 50 is pushed forward. The second end 422 of the conductive member 42 of the charging stand 30 can contact the conductive receiving portion 71 of the battery holder 60, that is, start charging. The figure shows that the inside of the charging stand 30 is inserted into the positioning hole around the charging circuit board 40 by a plurality of positioning protrusions 34 extending downward, and is formed or disposed at the tail end of the positioning protrusion 34. The stopper portion 341 prevents the positioning boss 34 from coming off the positioning hole 43 , whereby the charging path plate 40 is fixed in the charging stand 30 .
虽然本实用新型是以一个最佳实施例做说明， 但精于此技艺者能在不脱离本 实用新型精神与范畴下做各种不同形式的改变。 以上所举实施例仅用以说明本实 用新型而已， 非用以限制本实用新型的范围。 举凡不违本实用新型精神所从事的 种种修改或变化， 倶属本实用新型申请专利范围。  While the invention has been described in terms of a preferred embodiment, various modifications of the various embodiments can be made without departing from the spirit and scope of the invention. The above embodiments are merely illustrative of the present invention and are not intended to limit the scope of the present invention. Any modification or change made without departing from the spirit of the utility model belongs to the patent application scope of the present invention.

Claims

权 利 要 求 书 Claims
1.一种手持式电动工具的充电装置， 该充电装置包括一电池座 (60)及一充电 座 (30)， 该电池座 (60)及充电座 (30)内部具有用于充电、 输电功能的电子组件； 其特征在于： A charging device for a hand-held power tool, the charging device comprising a battery holder (60) and a charging base (30), the battery holder (60) and the charging base (30) having a function for charging and transmitting Electronic component; characterized by:
一座充电路板（40)， 设于该充电座（30)内部， 与该充电座（30)所属的上述电 子组件电性连接；  a charging circuit board (40) is disposed inside the charging base (30) and electrically connected to the electronic component to which the charging base (30) belongs;
若干导电元件 (42)， 其第一端 (421)固定于该座充电路板 (40)上， 该导电元件 (42)并具有可与该导电接收部（71)相接合的第二端 (422)， 该第二端 (422)向上扬 伸并可上下弹动地凸出于该充电座 (30)的表面；  a plurality of conductive elements (42) having a first end (421) fixed to the charging circuit board (40), the conductive element (42) having a second end engageable with the conductive receiving portion (71) 422), the second end (422) is upwardly extended and can be bounced up and down to protrude from the surface of the charging stand (30);
—可定位于一第一位置及一第二位置并可于两者之间移动的安全盖 (50)， 设 于该充电座 (30)内部； 该第一位置完全地遮盖住上述若干导电元件 (42)的第二端 (422)， 该第二位置完全地裸露上述若干导电元件 (42)的第二端 (422) ;  a safety cover (50) positionable in a first position and a second position and movable between the two, disposed inside the charging stand (30); the first position completely covering the plurality of conductive elements a second end (422) of (42), the second position completely exposing the second end (422) of the plurality of conductive elements (42);
一电池电路板（70)， 设于该电池座（60)内部， 与该电池座（60)内部的电子组 件电性连接；  a battery circuit board (70) is disposed inside the battery holder (60) and electrically connected to the electronic component inside the battery holder (60);
数量与上述导电元件 (42)的数量对应的导电接收部 (71) , 设于该电池电路板 a conductive receiving portion (71) corresponding to the number of the conductive members (42) is provided on the battery circuit board
(70)上，每一导电接收部 (71)均具有尺寸相对大于该导电元件 (42)第二端 (422)横 断面的面积； 该电池座 (60)对应该导电接收部 (71)设有数量对应用以使导电接收(70), each of the conductive receiving portions (71) has an area that is relatively larger in cross section than the second end (422) of the conductive member (42); the battery holder (60) corresponds to the conductive receiving portion (71) There is a number corresponding to make conductive reception
(71)部显露的开口（64)。 (71) The exposed opening (64).
2.如权利要求 1所述手持式电动工具的充电装置， 其特征在于， 该安全盖 (50) 具有一可使其常态地位于该第一位置的具弹力作用的弹簧 (51)。  2. A charging device for a hand-held power tool according to claim 1, wherein the safety cover (50) has an elastic spring (51) which is normally located in the first position.
3.如权利要求 2所述手持式电动工具的充电装置， 其特征在于， 该弹簧 (51) 的两端被固定于该座充电路板 (40)上， 并绕于该安全盖 (50)的一弹簧接收部 (52)。  The charging device for a hand-held power tool according to claim 2, wherein both ends of the spring (51) are fixed to the charging circuit board (40) and surround the safety cover (50) a spring receiving portion (52).
4.如权利要求 1所述手持式电动工具的充电装置， 其特征在于， 该电池座 (60) 的电池电路板（70)包括二电输出部 (80)。  4. A charging device for a hand-held power tool according to claim 1, wherein the battery circuit board (70) of the battery holder (60) includes two electrical output portions (80).
5.如权利要求 4所述手持式电动工具的充电装置， 其特征在于， 每一电输出部 5. The charging device for a hand-held power tool according to claim 4, wherein each of the electric output portions
(80)包括一第一导电片（81)、 一第二导电片 (82)及一第三导电片 (83)， 该第一导 电片 (81)的两端分别相对该第二导电片 (82)及第三导电片（83)设置。 (80) comprising a first conductive sheet (81), a second conductive sheet (82) and a third conductive sheet (83), the two ends of the first conductive sheet (81) are respectively opposite to the second conductive sheet ( 82) and the third conductive sheet (83) are arranged.
6.如权利要求 1所述手持式电动工具的充电装置， 其特征在于， 该充电座（30) 的内部延伸有若干定位凸柱 (34)穿入该座充电路板 (40)周边的定位孔 (43)中， 其 尾端具有一防止该定位凸柱 (34)脱离该定位孔 (43)的挡止部 (341)。  The charging device for a hand-held power tool according to claim 1, wherein the charging seat (30) has a plurality of positioning protrusions (34) extending into the periphery of the charging circuit board (40). In the hole (43), the tail end has a stopper portion (341) for preventing the positioning boss (34) from coming off the positioning hole (43).
7.如权利要求 1所述手持式电动工具的充电 置， 其特征在于， 该充电座（30) 的上表面设有用以引导上述电池座 (60)进入一充 ^位置的倾斜的导引面 (32)。  7. The charging device of the hand-held power tool according to claim 1, wherein the upper surface of the charging base (30) is provided with an inclined guiding surface for guiding the battery holder (60) into a charging position. (32).
8.如权利要求 7所述手持式电动工具的充电装置，其特征在于，该导引面 (32) 两侧以及该电池座 (60)的相对位置设有可彼此滑嵌接合的凸块 (33)及凹槽 (61)。  The charging device for a hand-held power tool according to claim 7, wherein the opposite sides of the guiding surface (32) and the battery holder (60) are provided with bumps that can be slidably engaged with each other ( 33) and groove (61).
5  5
替换页 (  Replacement page (
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