200931930 九、發明說明： 【發明所屬之技術領域】 尤其係涉及一種用於攜 本發明涉及一種電池蓋結構 帶型電子裝置之電池蓋結構。 【先前技術】 隨著技術之不斷更新和發展，行動 ❹ 理（pe麵al digital assitant，PDA)等攜帶型電= 功能多樣化之發展趨勢，這就 旦 + 現 足夠之工作能量。電量更大電池來提供 , 里更大之电池其尺寸一般亦較大。 構二覆電池之電池蓋通常為單體式電池蓋結 電池蓋相對底壁一端之上2側壁、—右側壁及一底壁， 可盥行動雷爷太驴 上，延伸有一突起部，突起部 ;:電話本體之凹槽相卡合。裝配時，先將電池蓋上 壁、左側壁及右側壁對著行 R^^Λ 本體之凹样，電本體，同時突起部對著 ^ , 9再向大起部方向推動電池蓋，電池蓋之突起 〇部卡於凹槽内，同拄士如^大趣 話本體周辟卜 冑左側壁’右侧壁及底壁貼合於行動電 裝署女^土所述單體式電池蓋結構藉由與攜帶型電子 裝置本體之直接卡合來達到包覆電池之目的。 轉_V ^、、Γ而要包覆尺寸較大之大容量電池時，習知之單 糂1ΐ蓋、、、。構則必須藉由改變攜帶型電子裝置本體之結 稱來與它配合。#古立 k pk就思味者要重新設計及生產已有普遍規 計之撝帶型電子裂置本體，如此既造成了資源之 '亦〜加了攜帶型電子裝置之整體生產設計成本。 6 200931930 【發明内容】 有蓉於此，有必I接徂—@ 々 旦 要挺供種犯夠輕易包覆尺寸較大之 大谷里電池之“兩件式，，電池蓋結構。 第一蓋體及一第 種電池蓋結構，包括一本體 蓋體，該本體具有一用於容置電池之電池容置部，: 與蓋體均可拆卸地裝配於本體上，且該第-蓋體 與第-盍體相互配合以覆蓋本體之電池容置部。 Ο 相較於習知技術，所述電池蓋結構採用了第-蓋體及 第二蓋體之“兩件式”蓋體設計，該第—蓋體與第二蓋體相 互配合從而將大規格尺寸之電池完全包覆於本體内。 【實施方式】 本發明電池蓋結構適用於行動電話、個人數位助理 (Personal Digital Assistant，PDA)等攜帶型電子裝置，在 本實施方式中，以行動電話為例加以說明。 δ月參閱圖1及圖2，本發明電池蓋結構1〇用於將一電池 ❹20固定於其内，其包括一本體丄工、—第一蓋體似一第二 蓋體13。該電池20大致呈矩形板體，其為一高能量電池， 具有較大之規格尺寸，其部分容置於本體H，部分凸出於 本體11外。该電池20之一端具有一狹長之定位面21。 所述本體11具有一頂壁111、一底壁112以及二相對侧 壁113、114。該頂壁m、底壁112以及二相對側壁113、 114圍成一矩形電池容置部115。該電池容置部用於部 分容納電池20於其内，即電池20因其規格尺寸較大而部分 暴露於電池容置部115外。 7 200931930 . 該二側壁113、114鄰接該頂壁U1各開設一第一卡持 . 槽116。該本體11上於所述二側壁113、114凸設有形成該 第一卡持槽116之擋壁1161。 該二側壁113、114鄰接該本體11之底壁112各開設一 第二卡持槽117。該本體11上於所述二侧壁113、114凸設 有形成該第二卡持槽117之擋壁1171。 該二侧壁113、114於第一卡持槽116及第二卡持槽Π7 ❹之間分別設置一卡扣部118。該卡扣部ι18包括一滑槽1181 及一凸塊1182。該滑槽1181開設於側壁113、114上，並形 成一靠近電池容置部115之鄰壁1183。該凸塊1182突設於 該鄰壁1183上。 該本體11之底壁112靠近本體11之二侧壁113、114 處各開設一三角形卡扣孔1121。該卡扣孔1121凹向電池 容置部115内。 該本體11之底壁112之中部開設一凹槽，該本體1;[於 ©該凹槽底壁凸設一彈性鎖扣件119。該彈性鎖扣件119與本 體11一體成型，其為矩形片體。該彈性鎖扣件119具有一 抵持面1191及連接該抵持面1191之導引面1192。該彈性鎖 扣件119 一端與本體n連接’如此，該彈性鎖扣件119可繞 其與本體11連接之一端彈性旋轉且自動復位，即具有一定 彈性。 所述第一蓋體12大致為一“U”形殼體，其具有一半橢 圓形頂壁121、自該半橢圓形頂壁121之橢圓輪廓邊緣傾斜 延伸之一連接壁122、以及二側壁123、124。該二側壁 8 200931930 .123、124自該連接壁122之兩側傾斜延伸而成。該二側壁 .123、124分別與本體11之側壁113、114配合。該頂壁121 及連接壁122圍成一容腔125，用於容置電池20露出於電池 容置部115外之部分。該頂壁121非橢圓輪廓邊緣為一第一 配合面129。該第一配合面129鄰接該容腔125凸設一矩形 定位板126，鄰接該定位板126開設複數矩形定位孔127。 該矩形定位板126用於抵持電池20之表面。該二侧壁123、 義124面向容腔125之一側各凸設一截面為“L”形之定位片 128。該定位片128對應本體11之第一卡持槽116設置。該 定位片128包括一嵌設部1281及一垂直連接於該嵌設部 1281之抵持部1282。該嵌設部1281可嵌設於第一卡持槽 116内，並與第一擋壁1161相抵擋。當該第一蓋體12或第 二蓋體裝配於本體11上時，其頂壁121凸出於本體11。 所述第二蓋體13大致為一“U”形殼體，其具有一頂壁 131、自該頂壁131兩側及一端部傾斜延伸之一連接壁（圖 ❹未標）、二側壁132、133及一端壁134。該二側壁132、133 自該連接壁之兩側傾斜延伸而成。該端壁134自該連接壁 之端部傾斜延伸而成。該端壁134連接該二側壁132、 133。該二側壁132、133及端壁134分別與本體11之側壁 113、114及底壁112配合。該頂壁131和連接壁圍成一容腔 1311，用於容置電池20露出於電池容置部115外之部分。 該端壁134之中部面向容腔1311之一側凸設一抵持塊135。 該抵持塊135用於抵持彈性鎖扣件119。 該端壁134之二 端面向容腔1311之一側各凸設一卡塊136。該卡塊136用於 9 200931930 . 嵌設於卡扣孔1121。該二側壁132、133面向容腔1311之一 . 側各凸設一截面為“L”形之定位片137。該定位片137對應 第二卡持槽117設置。該定位片137包括一嵌設部1371及一 垂直連接於該嵌設部1371之抵持部1372。該嵌設部1371可 嵌設於第二卡持槽117内，並與第二擋壁1171相抵擋。該 二側壁132、133面向容腔1311之一側對應各凸設一彈性片 138。彈性片138大致呈矩形片狀，其與本體11之第一卡槽 _ 26相對應設置。彈性片138伸出於容腔1311之一側壁1381 ❹ 開設有一嵌設槽1382。該嵌設槽1382與凸塊1182相對應。 該頂壁131遠離端壁134之一端為一第二配合面139，該第 二配合面139對應第一蓋體12之定位孔127凸設若幹矩形卡 塊1391。該卡塊1391嵌設於定位孔127内。當該第二蓋體 13裝配於本體11上時，其頂壁131凸出於本體11。 請參閱圖3至圖5，需將該電池20容置於該電池蓋結構 10時，首先將該電池20容置於本體11之電池容置部115 ❹内，該電池20部分凸出於本體11 ;然後將該第一蓋體12以 第一蓋體12之定位孔127面向本體11之底壁112之方式將第 一蓋體12之定位片128嵌入第一卡持槽116，並使得嵌設部 1281與第一擋壁1161相抵擋，此時第一蓋體12之定位板 126抵持定位於電池20之定位面21 ;隨後將第二蓋體13蓋 設於本體11上，並使得第二蓋體13之定位片137嵌入該第 一卡持槽117以及第二蓋體13之彈性片138容置於卡扣部 118之滑槽1181内；最後推動該第二卡持槽117，抵持塊 135順著1192導引面1192滑動，直至定位片137與第二擋壁 200931930 .1171相抵擋，此時彈性片138之嵌設槽1382卡持容置凸塊 1182於其内，抵持塊135擠壓該彈性鎖扣件119並最終彈性 滑入抵持面1191，該卡塊1391嵌設於定位孔127内，如此 即完成了電池蓋結構10之組裝，第一蓋體12、第二蓋體13 及本體11相互配合將該電池20包覆於其内，其中，第一蓋 體12與第二蓋體13配合容置電池20凸出於本體11之部分。 可以理解，第一蓋體12之連接壁122可省去，而由該 ▲第一蓋體12之頂壁之邊緣延伸而成該二側壁123、124以及 〇 一端壁（圖未示）。 可以理解，第一蓋體12及第二蓋體13之連接壁可省 去，其側壁132、133和端壁134直接由頂壁131之邊緣傾斜 延伸而成。 可以理解，該卡塊1391還可以凸設於第一蓋體12之頂 壁121面向第二蓋體13之側面上，而該定位孔127則對應開 設於該第二蓋體12之頂壁131遠離端壁134之一端。 ❹ 可以理解，該本體11之卡扣孔1121與第二蓋體13之卡 塊136還可省去。 可以理解，該第一蓋體12之定位片128與第一卡持槽 116還可省去。 可以理解，該第二蓋體13與本體11之卡持結合亦可僅 藉由定位片137與第二卡持槽117之配合以及抵持塊135與 彈性鎖扣件119之配合之其中一個來實現來實現。 可以理解，該第二蓋體13與本體11之卡持結合亦可僅 藉由定位片137與第二卡持槽117之配合以及彈性片138與 11 200931930200931930 IX. Description of the Invention: [Technical Field of the Invention] In particular, the present invention relates to a battery cover structure for a battery cover structure type electronic device. [Prior Art] With the continuous updating and development of technology, the development trend of portable power = function diversification, such as pe face al digital assitant (PDA), is now + enough working energy. Larger batteries are available, and larger batteries are generally larger in size. The battery cover of the two-cell battery is usually a single-cell battery cover. The battery cover is opposite to the bottom wall of one end of the bottom wall, the right side wall and a bottom wall, and the action is carried out on the scorpion, and a protrusion, a protrusion is extended. ;: The groove of the phone body is engaged. When assembling, firstly, the upper wall, the left side wall and the right side wall of the battery cover face the concave piece of the R^^Λ body, the electric body, and the protrusion part faces the ^, 9 and then push the battery cover toward the large part, the battery cover The raised crotch is stuck in the groove, and the same as the gentleman's body, the main body of the body, the left side wall, the right side wall and the bottom wall are attached to the mobile battery unit. The purpose of coating the battery is achieved by direct engagement with the body of the portable electronic device. When the _V ^, Γ 要 包覆 包覆 包覆 包覆 包覆 包覆 包覆 包覆 包覆 包覆 包覆 时 时 时 时 时 时 时 时 时 时 时 时 时 时The structure must be matched to it by changing the symmetry of the body of the portable electronic device. #古立 k pk is to redesign and produce the widely-distributed ribbon-type electronic splitting body, which has resulted in the resource's 'and the added cost of the overall production design of the portable electronic device. 6 200931930 [Summary of the Invention] There is a Rong here, there must be I--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- And a first battery cover structure comprising a body cover body, the body having a battery receiving portion for accommodating the battery, the cover body being detachably mounted on the body, and the first cover body and the cover body The first body cooperates with each other to cover the battery receiving portion of the body. Ο Compared with the prior art, the battery cover structure adopts a “two-piece” cover design of the first cover and the second cover. The first cover body and the second cover body cooperate to completely cover the battery of a large size in the body. [Embodiment] The battery cover structure of the present invention is suitable for a mobile phone, a personal digital assistant (PDA), etc. In the present embodiment, a mobile phone is taken as an example. Referring to FIG. 1 and FIG. 2, the battery cover structure 1 of the present invention is used for fixing a battery pack 20 therein, which includes a body. Completion, the first cover is like a The cover body 13. The battery 20 is substantially a rectangular plate body, which is a high-energy battery having a larger size, partially accommodated in the body H and partially protruding out of the body 11. The battery 20 has one end The narrow positioning surface 21. The body 11 has a top wall 111, a bottom wall 112 and two opposite side walls 113, 114. The top wall m, the bottom wall 112 and the two opposite side walls 113, 114 enclose a rectangular battery capacity. The battery receiving portion is for partially accommodating the battery 20 therein, that is, the battery 20 is partially exposed outside the battery receiving portion 115 due to its large size. 7 200931930 . The two side walls 113, 114 are adjacent to the battery Each of the top walls U1 defines a first retaining slot 116. The retaining wall 1161 of the first retaining slot 116 is formed on the two sidewalls 113 and 114. The two sidewalls 113 and 114 are adjacent to the slot. A second retaining groove 117 is defined in the bottom wall 112 of the main body 11. The retaining wall 1171 of the second retaining groove 117 is protruded from the two side walls 113 and 114. The two sidewalls 113 are defined. And a latching portion 118 is disposed between the first latching slot 116 and the second latching slot ❹7 114. The illuminating block 1181 includes a sliding slot 1181 and a protruding block 1182. The sliding slot 1181 is formed on the side walls 113 and 114 and defines an adjacent wall 1183 adjacent to the battery receiving portion 115. The protruding block 1182 protrudes from the adjacent wall 1183. The bottom wall 112 of the body 11 defines a triangular locking hole 1121 near the sidewalls 113 and 114 of the body 11. The locking hole 1121 is recessed into the battery receiving portion 115. The bottom wall 112 of the body 11 A recess is formed in the middle portion, and the body 1 is provided with a resilient latching member 119. The elastic locking member 119 is integrally formed with the body 11, and is a rectangular piece. The elastic locking member 119 has a resisting surface 1191 and a guiding surface 1192 connecting the resisting surface 1191. One end of the elastic locking member 119 is coupled to the body n. Thus, the elastic locking member 119 is elastically rotatable about one end of the connection with the body 11 and is automatically reset, that is, has a certain elasticity. The first cover 12 is substantially a U-shaped housing having a semi-elliptical top wall 121, a connecting wall 122 extending obliquely from an elliptical contour edge of the semi-elliptical top wall 121, and two side walls 123. 124. The two side walls 8 200931930 .123, 124 are formed by obliquely extending from both sides of the connecting wall 122. The two side walls .123, 124 are respectively engaged with the side walls 113, 114 of the body 11. The top wall 121 and the connecting wall 122 define a cavity 125 for receiving a portion of the battery 20 exposed outside the battery receiving portion 115. The non-elliptical contour edge of the top wall 121 is a first mating surface 129. A rectangular positioning plate 126 is protruded from the first mating surface 129 adjacent to the cavity 125, and a plurality of rectangular positioning holes 127 are defined adjacent to the positioning plate 126. The rectangular positioning plate 126 is for resisting the surface of the battery 20. The two side walls 123 and 124 define a positioning piece 128 having an "L" shape in section on one side of the cavity 125. The positioning piece 128 is disposed corresponding to the first holding groove 116 of the body 11 . The positioning piece 128 includes an embedded portion 1281 and a resisting portion 1282 vertically connected to the embedded portion 1281. The embedded portion 1281 can be embedded in the first retaining groove 116 and resist the first retaining wall 1161. When the first cover 12 or the second cover is fitted to the body 11, its top wall 121 protrudes from the body 11. The second cover 13 is substantially a U-shaped housing, and has a top wall 131, a connecting wall (not labeled) and two side walls 132 extending obliquely from opposite sides and one end of the top wall 131. , 133 and one end wall 134. The two side walls 132, 133 are formed by obliquely extending from both sides of the connecting wall. The end wall 134 is formed to extend obliquely from the end of the connecting wall. The end wall 134 connects the two side walls 132, 133. The two side walls 132, 133 and the end wall 134 are respectively engaged with the side walls 113, 114 and the bottom wall 112 of the body 11. The top wall 131 and the connecting wall enclose a cavity 1311 for receiving a portion of the battery 20 exposed outside the battery receiving portion 115. A resisting block 135 protrudes from a side of the end wall 134 facing one side of the cavity 1311. The resisting block 135 is for resisting the elastic latching member 119. A latch 136 is protruded from a side of the end wall 134 facing one side of the cavity 1311. The block 136 is used for 9 200931930 . It is embedded in the snap hole 1121. The two side walls 132 and 133 face one of the cavities 1311. A positioning piece 137 having an "L" shape in cross section is protruded from each side. The positioning piece 137 is disposed corresponding to the second holding groove 117. The positioning piece 137 includes an embedded portion 1371 and a resisting portion 1372 vertically connected to the embedded portion 1371. The embedded portion 1371 can be embedded in the second retaining groove 117 and resist the second retaining wall 1171. An elastic piece 138 is protruded from each of the two side walls 132 and 133 facing one side of the cavity 1311. The elastic piece 138 has a substantially rectangular sheet shape and is disposed corresponding to the first card slot _26 of the body 11. The elastic piece 138 protrudes from a side wall 1381 of the cavity 1311 and defines an insertion groove 1382. The embedded groove 1382 corresponds to the bump 1182. One end of the top wall 131 away from the end wall 134 is a second mating surface 139. The second mating surface 139 protrudes from the positioning hole 127 of the first cover 12 to form a plurality of rectangular blocks 1391. The block 1391 is embedded in the positioning hole 127. When the second cover 13 is fitted to the body 11, its top wall 131 protrudes from the body 11. Referring to FIG. 3 to FIG. 5 , when the battery 20 is placed in the battery cover structure 10 , the battery 20 is first received in the battery receiving portion 115 本体 of the body 11 , and the battery 20 is partially protruded from the body. The positioning piece 128 of the first cover 12 is inserted into the first holding groove 116 by the positioning hole 127 of the first cover 12 facing the bottom wall 112 of the first cover 12, and the first cover 12 is embedded in the first holding groove 116. The positioning portion 1281 is in contact with the first blocking wall 1161. At this time, the positioning plate 126 of the first cover 12 abuts against the positioning surface 21 of the battery 20; then the second cover 13 is covered on the body 11 and The positioning piece 137 of the second cover 13 is inserted into the first holding groove 117 and the elastic piece 138 of the second cover 13 is received in the sliding groove 1181 of the locking portion 118; finally, the second holding groove 117 is pushed. The resisting block 135 slides along the 1192 guiding surface 1192 until the positioning piece 137 resists the second blocking wall 200931930.1171. At this time, the engaging groove 1382 of the elastic piece 138 holds the receiving protrusion 1182 therein. The block 135 presses the elastic latching member 119 and finally elastically slides into the resisting surface 1191. The latching block 1391 is embedded in the positioning hole 127, thus completing The first cover 12, the second cover 13 and the body 11 cooperate with each other to cover the battery 20, wherein the first cover 12 and the second cover 13 cooperate to receive the battery. 20 protrudes from the portion of the body 11. It can be understood that the connecting wall 122 of the first cover 12 can be omitted, and the two side walls 123, 124 and the one end wall (not shown) are extended by the edge of the top wall of the ▲ first cover 12. It can be understood that the connecting walls of the first cover body 12 and the second cover body 13 can be omitted, and the side walls 132, 133 and the end wall 134 are directly inclined from the edge of the top wall 131. It can be understood that the block 1391 can also be disposed on the side of the top wall 121 of the first cover 12 facing the second cover 13 , and the positioning hole 127 is correspondingly formed on the top wall 131 of the second cover 12 . Far from one end of the end wall 134. ❹ It can be understood that the buckle hole 1121 of the body 11 and the block 136 of the second cover 13 can also be omitted. It can be understood that the positioning piece 128 of the first cover 12 and the first holding groove 116 can be omitted. It can be understood that the engagement of the second cover 13 with the body 11 can also be achieved only by the cooperation of the positioning piece 137 and the second holding groove 117 and the matching of the block 135 and the elastic locking piece 119. Implementation to achieve. It can be understood that the engagement of the second cover 13 with the body 11 can also be achieved only by the cooperation of the positioning piece 137 and the second holding groove 117 and the elastic pieces 138 and 11 200931930
• 所述電池蓋結構忉採用了第一蓋體12及第二蓋體13之 兩件式”蓋體設計，該第一蓋體12藉由定位片128與第一 卡持槽116之配合卡持結合於本體u，該第二蓋體13藉由 定位片137與第二卡持槽117之配合、彈性片138與卡扣部 118之配合、卡扣孔1121與卡塊136之配合以及抵持塊 與彈性鎖扣件119之配合卡持結合於本體21，該第二蓋體 ❹13還藉由卡塊1391與定位孔127之配合結合於第一蓋體 12，如此第一蓋體12與第二蓋體13相互配合從而將該大規 格尺寸之電池20完全包覆於本體；^内。 綜上所述，本發明符合發明專利要件，爰依法提出 利申請。惟，以上所述者僅為本發明之較佳實施例，本發 明之範圍並不以上述實施例為限，舉凡熟悉本案技藝之人 士援依本發明之精神所作之等效修飾或變化，皆應涵蓋於 以下申請專利範圍内。 ❹【圖式簡單說明】 圖 意圖； 1係本發明電池蓋結構較佳實施方式之立體分解 圖2係本發明電池盍結構較佳實施方式之另一角度之 立體分解示意圖； 又 體組裝示 圖3係本發明電池蓋結構較佳實施方式之立 另一角度之 圖4係本發明電池蓋結構較佳實施方式之另 立體組裝示意圖； 12 200931930 . 圖5係本發明電池蓋結構較佳實施方式之使用狀態示 意圖。 【主要元件符號說明】 (本發明） 電池蓋結構 10 本體. 11 頂壁 111 底壁 112 卡扣孔 1121 側壁 113 側壁 114 電池容置部 115 ®第-卡持槽 116 擋壁 1161 第二卡持槽 117 擋壁 1171 卡扣部 118 滑槽 1181 凸塊 1182 鄰壁 1183 彈性鎖扣件 119 抵持面 1191 導引面 1192 第一蓋體 12 頂壁 121 連接壁 122 ©側壁 123 側壁 124 容腔 125 定位板 126 定位孔 127 定位片 128 嵌設部 1281 抵持部 1282 第一配合面 129 第二蓋體 13 頂壁 131 容腔 1311 側壁 132 側壁 133 端壁 134 抵持塊 135 卡塊 136 定位片 137 13 200931930 嵌設部 1371 抵持部 1372 彈性片 138 側壁 1381 嵌設槽 1382 第二配合面 139 卡塊 1391 電池 20 Ο 14The battery cover structure adopts a two-piece "lid cover design of the first cover 12 and the second cover 13 . The first cover 12 is coupled to the first retaining slot 116 by the positioning piece 128. The second cover 13 is coupled to the second retaining groove 117, the engagement of the elastic piece 138 and the latching portion 118, the engagement of the latching hole 1121 and the latching block 136, and the engagement of the latching hole 1121 and the latching portion 119. The first cover body 12 is coupled to the first cover 12 by the engagement of the block 1391 and the positioning hole 127, such that the first cover 12 and the first cover 12 are coupled to the first cover 12 by the engagement of the block 1391 and the positioning hole 127. The second cover 13 cooperates with each other to completely cover the battery 20 of a large size in the body. In summary, the present invention complies with the requirements of the invention patent, and the application is made according to the law. The scope of the present invention is not limited to the above-described embodiments, and equivalent modifications or variations made by those skilled in the art to the spirit of the present invention are intended to be included in the following claims. 。 [Simple description of the diagram] Figure intention; 1 is the invention of the electricity 2 is an exploded perspective view of a preferred embodiment of the battery cartridge structure of the present invention; FIG. 3 is a perspective view of a preferred embodiment of the battery cover structure of the present invention. Figure 4 is a perspective view of a preferred embodiment of the battery cover structure of the present invention; 12 200931930 . Figure 5 is a schematic view showing the state of use of the preferred embodiment of the battery cover structure of the present invention. Battery cover structure 10 body. 11 Top wall 111 Bottom wall 112 Snap hole 1121 Side wall 113 Side wall 114 Battery accommodating portion 115 - Card holding groove 116 Barrier 1161 Second card slot 117 Barrier wall 1171 Snap portion 118 Chute 1181 Bump 1182 Adjacent wall 1183 Elastic locking member 119 Abutting surface 1191 Guide surface 1192 First cover 12 Top wall 121 Connecting wall 122 © Side wall 123 Side wall 124 Cavity 125 Positioning plate 126 Positioning hole 127 Positioning piece 128 The embedded portion 1281 the abutting portion 1282 the first mating surface 129 the second cover 13 the top wall 131 the cavity 1311 the side wall 132 the side wall 133 the end wall 134 against the block 135 block 136 Positioning plate 137 13 200931930 Mounting part 1371 Resisting part 1372 Elastic piece 138 Side wall 1381 Inserting groove 1382 Second mating surface 139 Block 1391 Battery 20 Ο 14