200950184 九、發明說明： 【發明所屬之技術領域】 ‘本發明涉及一種蓋體結構，尤其是涉及一種電池蓋 •組件及具該電池蓋組件之電子裝置。 【先前技術】 ❹ 鲁 行動電話、個人數位助理（personal digital assistant， PDA)等攜帶型電子裝置之應用曰益廣泛，該等攜帶型電 子裝置多採用電池作為其能量來源。習知攜帶型電子裝置 電池多為可拆式電池，該等電池藉由一與攜帶型電子裝置 機殼本體插接之電池蓋將其裝設於攜帶型電子裝置中，以 給攜帶型電子裝置提供電量。攜帶型電子裝置於使用過程 中，由於電池能量之不斷消耗，而不得不更換電池，故人 們设计出各種電池蓋，以求能方便可靠地更換電池。 一習知電池蓋，其包括一頂壁、一左側壁、一右侧壁 及=底壁。所述頂壁大致呈矩形板狀，所述左側壁及右侧 壁为別由該頂壁之相對之左右二侧緣延伸-折形成。所述 底壁由該頂壁之另一侧壁延伸彎折而成，該底壁二端分別 =斤述左右側壁相接，從而形成一大致矩形凹腔狀，且一 鳊開口、一端封閉之容置空間。電池蓋相對底壁一端之 壁之開π替上延伸有—突起部， 體之凹槽相+人壯 | I、电于衮置本 側壁對著揭心tn本=，、左側壁及右 神，電子裝置本體’同時突起部對著本體之凹 ^ 起部方向推動電池蓋，電池蓋之突起部卡於凹 槽内’_左側壁，右側壁及底壁貼合於攜帶型電=裝置 200950184 本體周壁上。 該種形式之電池蓋結構於使用過程中進行電池更換 時，需先將電池蓋取下，使該電池蓋與電子裝置本 •離。而於電池蓋拆卸過程中，需反向推動電池蓋，因左侧 壁、右侧壁及底壁與電子裝置本體貼合較緊密，電池蓋不 易從本體脫離，從而使得整個拆裝過程非常繁瑣、更換電 池非常不便。3，於使用過程中，當更換完電池後，有時 谷易將電池蓋忘記安裝於本體上，從而造成電池蓋之遺 失。 【發明内容】 有鑒於此，有必要提供一種可有效避免電池蓋遺失、 且拆裝、使用方便之電池蓋組件。 還有必要提供一種具所述電池蓋組件之電子裝置。 * 一種電池蓋組件，其包括一後蓋及一電池蓋，所述後 蓋包括-用於裝設電池之電池容納腔；所述電池蓋組件還 ⑩包括至少一彈性裝置’豸電池蓋可滑動地罩設於所述後蓋 之電池谷納腔上，所述彈性裝置之二端分別固定裝設於所 述後蓋及電池蓋上，以提供一開啟電池蓋之彈性力；所述 後盍上相對凸設有至少一止脫部，所述電池蓋上對應於該 止脫邛凸没有至少一防脫部’以使所述電池蓋相對後蓋滑 動時不與後蓋脫離。 種電子裝置，其包括一本體及一電池蓋組件，所述 f池蓋組件裝设於本體上，以用於裝設給電子裝置提供電 里之電池，該電池蓋組件包括一後蓋及一電池蓋，所述後 200950184 蓋包括一用於裝設電池之電池容納腔；所述電池蓋組件還 包括至少一彈性裝置，該電池蓋可滑動地罩設於所述後蓋 ‘之電池容納腔上，所述彈性裝置之二端分別固定裝設於所 •述後蓋及電池蓋上，以提供一開啟電池蓋之彈性力；所述 後蓋上相對凸設有至少一止脫部，所述電池蓋上對應於該 止脫部凸設有至少一防脫部，以使所述電池蓋相對後蓋滑 動時不與後蓋脫離。 相較於習知技術，所述電池蓋組件採用一彈性裝置將 電池蓋可滑動地罩設於該後蓋之電池容納腔上，並提供一 開啟電池蓋之彈性力，從而於電池蓋拆裝、使用過程中， 不需要費很大力氣就可藉由其彈性裝置輕鬆、方便開啟所 述電池蓋。藉由於所述後蓋上相對設置至少一止脫部，從 而使得電池蓋於更換電池過程中與電子裝置之後蓋不分 離’從而有效避免了電池蓋之遺失。 【實施方式】200950184 IX. Description of the Invention: [Technical Field of the Invention] The present invention relates to a cover structure, and more particularly to a battery cover assembly and an electronic device having the battery cover assembly. [Prior Art] Portable electronic devices such as mobile phones and personal digital assistants (PDAs) have a wide range of applications. These portable electronic devices use batteries as their energy source. The portable battery of the portable electronic device is mostly a detachable battery, and the battery is installed in the portable electronic device by a battery cover inserted into the body of the portable electronic device body to provide the portable electronic device. Provide power. In the course of using the portable electronic device, the battery has to be replaced due to the continuous consumption of the battery energy, so various battery covers have been designed to replace the battery conveniently and reliably. A conventional battery cover includes a top wall, a left side wall, a right side wall, and a bottom wall. The top wall has a substantially rectangular plate shape, and the left side wall and the right side wall are formed by extending and folding from opposite left and right side edges of the top wall. The bottom wall is formed by bending and bending the other side wall of the top wall, and the two ends of the bottom wall are respectively connected to each other to form a substantially rectangular concave shape, and one opening and one end are closed. Accommodate space. The opening of the battery cover relative to the wall of one end of the bottom wall is extended by a protrusion, the groove of the body is + strong | I, the electric side is placed against the side wall, and the left side wall and the right god The electronic device body 'the protrusion portion pushes the battery cover toward the concave portion of the body, and the protrusion of the battery cover is stuck in the groove'_left side wall, and the right side wall and the bottom wall are attached to the portable type electric device=200950184 On the wall of the body. When the battery cover structure of this type is used for battery replacement during use, the battery cover must be removed first to separate the battery cover from the electronic device. In the process of disassembling the battery cover, the battery cover needs to be pushed in the reverse direction, because the left side wall, the right side wall and the bottom wall are closely attached to the electronic device body, and the battery cover is not easily detached from the body, thereby making the entire disassembly process very cumbersome. It is very inconvenient to replace the battery. 3. During the use, when the battery is replaced, sometimes the battery cover is forgotten to be installed on the body, which causes the battery cover to be lost. SUMMARY OF THE INVENTION In view of the above, it is necessary to provide a battery cover assembly that can effectively prevent the battery cover from being lost, and that is easy to assemble and disassemble and use. It is also necessary to provide an electronic device having the battery cover assembly. A battery cover assembly comprising a rear cover and a battery cover, the rear cover comprising: a battery receiving cavity for mounting a battery; the battery cover assembly 10 further comprising at least one elastic device 豸 a battery cover slidable The ground cover is disposed on the battery valley of the back cover, and the two ends of the elastic device are respectively fixedly mounted on the back cover and the battery cover to provide an elastic force for opening the battery cover; At least one retaining portion is disposed on the battery cover, and the battery cover has no at least one retaining portion corresponding to the retaining projection to prevent the battery cover from being detached from the rear cover when sliding relative to the rear cover. The electronic device includes a body and a battery cover assembly, and the f-cell cover assembly is mounted on the body for mounting a battery for providing power to the electronic device, the battery cover assembly including a back cover and a a battery cover, the rear 200950184 cover includes a battery receiving cavity for mounting a battery; the battery cover assembly further includes at least one elastic device, the battery cover slidably covering the battery receiving cavity of the back cover The two ends of the elastic device are respectively fixedly mounted on the back cover and the battery cover to provide an elastic force for opening the battery cover; and the rear cover is oppositely convexly provided with at least one stop portion. At least one anti-off portion is protruded from the battery cover corresponding to the retaining portion so that the battery cover does not disengage from the rear cover when sliding relative to the rear cover. Compared with the prior art, the battery cover assembly uses a resilient device to slidably cover the battery cover on the battery receiving cavity of the back cover, and provides an elastic force for opening the battery cover, thereby disassembling the battery cover. During use, the battery cover can be easily and conveniently opened by its elastic device without much effort. The at least one stop portion is disposed opposite to the back cover, so that the battery cover is not separated from the rear cover of the electronic device during the battery replacement process, thereby effectively avoiding the loss of the battery cover. [Embodiment]
所述電子裝置可以為一行動電話、個人數位助理 (personal digital assistant，PDA)或數碼相機等電子裝置。 請參閱圖1及圖2,所述電池蓋組件1〇〇裝設於一電 子裝置之本體(圖未示)上，以用於裝設給電子裝置提供電 量之電池組件（圖未示）。所述電池蓋組件1〇〇包括一後蓋 10、一彈性裝置20及一電池蓋3〇。 所述後蓋10可以為電子裝置之主機體或殼體之一部 分，其大致呈矩形板狀。所述後蓋10包括一第一表面u、 -與該第-表面Π相對之第二表φ 13、一電池容納腔 200950184 1—5、二滑槽16、二止脫部17、一卡持部i8及一彈性裝置 安裝部19。於本實施例中，所述電池容納腔以一大致 ‘呈矩形之容納空間’其由第一表面：1上朝向第二表面。 ^方向貫通開設-矩形通孔形成’並對應地於 形成一第一側壁151、一第-侧壁152 隹 上 乐一例璧152、一第三側壁153 及-第四側壁154。所述第一侧壁151平行於所述第三侧 壁153,所述第二側壁152平行於所述第四侧壁μ#,其 ❹共同圍成所述用於裝設電池組件之電池容納腔15。所述 第四侧壁154之朝向第一表面η 一側被切去一部分形成 一大致矩形之開口部1542，並對應地於所述第四側壁154 朝向第一表面1；1端形成一階梯形抵持部1545。所述二滑 槽6化平行於第一表面^方向分別相對地凹設於所述第 一侧壁151及第三側壁153之靠近第一表® 11 —側位置 處，並與所述第四侧壁154之開口部1542相互連通。所 述二止脫部17為二楔形凸塊，其分別相對地凸設於所述 ⑩一滑槽16内靠近第四側壁154端位置處。其中，所述二 止脫部17之楔形斜面端（圖未標）朝向第四侧壁154方向設 置。所述卡持部18大致呈矩形塊狀，其凸設於所述第二 側壁152上大致中部位置處，該卡持部朝向上表面η 一侧凹設有一卡持槽182。所述彈性裝置安裝部19設置 於所述第一側壁151與第三侧壁153上靠近第四侧壁154 端。於本實施例中，所述彈性裝置安裝部19為一圓形柱 狀體’其由所述第一侧壁151之靠近第四側壁154之開口 部1542端朝向第三側壁153方向凸設而成，並與該第三 200950184 側壁153相接。 所述彈性裝置20為二螺旋彈簧，其一端分別裝設於 <所述後蓋10之彈性裝置安裝部19上，另一端裝設於電池 •蓋30上。該二彈性裝置2〇包括一大致圓形柱狀之主體部 21及二分別設置與該主體部21二端之卡鉤部23。 所述電池蓋30大致呈L’形板狀，其可滑動地裝設 於所述後蓋10上，並罩設於所述電池容納腔上。該電 ❹池蓋30包括一蓋板31、一封閉板32、二滑轨33、二防 脫部34、一卡持塊35、一彈性裝置裝設部36、二導向槽 37及一按壓部39。所述蓋板31大致呈矩形長條板狀，其 包括一外表面311、一與該外表面311相對之内表面312 及二相對平行之側壁315。所述封閉板32大致呈矩形板 狀’其由所述蓋板31之一末端邊緣朝向内表面312方向 垂直延伸彎折形成，當所述電池蓋3〇完全蓋上時，所述 封閉板32抵持於所述後蓋1〇之第四侧壁U4之階梯形抵 ❹持部1545上。所述二滑軌33大致呈矩形長條狀，其平行 於所述蓋板31之外表面311，相對凸設於蓋板31之二相 對側壁315上。所述二防脫部34為二楔形卡塊，其對應 於所述二滑槽16内之止脫部17，沿平行於外表面31方 向相對凸設於所述二滑軌33上，且位於與所述封閉板32 端相對之另一端（圖未標）位置處，以使得所述蓋板31裴設 於所述後蓋10上後，於使用過程中，該蓋板31與後蓋 10不相互脫離。所述卡持塊35凸設於所述蓋板31之内 表面312上與所述封閉板32相對之另一端。所述彈性裝 11 200950184 置裝設部36固設於所述内表面312上與封閉板32相對之 另一端位置處，且該彈性裝置裝設部36臨近所述卡持塊 ‘ 35設置。該彈性裝置裝設部36包括一基座362及二卡接 .部365，所述基座362呈大致條形板狀，其平行於所述封 閉板32凸設所述内表面312上與所述封閉板32相對之另 一端。所述二卡接部365為二矩形凸塊，其朝向封閉板 32方向間隔地凸設於所述基座362上，該二卡接部365 上分別貫通開設有一卡持孔3652。所述二導向槽37沿平 行於該蓋板31之二侧壁315方向間隔地設置於所述内表 面312上，並位於封閉板32與所述彈性裝置裝設部36之 間。於本實施例中，所述二導向槽37分別由沿平行於侧 壁315方向間隔凸設於内表面312上之二條形凸條372與 内表面312圍成，所述二條形凸條372之間之間隔距離與 所述彈性裝置20之橫截面尺寸相當，以使得所述彈性裝 置20可容置所述導向槽37内。所述按壓部39大致呈橢 〇圓形凸塊狀，其凸設於所述蓋板31之外表面311上與所 述封閉板32相對之另一端位置處。 ”月併參閱圖3、圖4及圖5 ’組裝所述電池蓋組件 100時，首先將所述二彈性裝置20 一端之卡鉤部23卡接 於所述電池蓋30之彈性裝置裝設部36之卡接部365之卡 持孔3652内，該二彈性裝置20之主體部21分別對應地 裝設於所述電池蓋30之二導向槽37内。接下來，將所述 電池蓋30之蓋板31之設有卡持部35之一端對準所述電 池蓋30之第四侧壁154之開口部i542，所述蓋板31之 12 200950184 ，滑軌33分別對應滑人所述二滑# 16内。推動所述電池 蓋30，使所述蓋板31之二滑軌33上之防脫部％對應地 ‘擠壓並越過所述二滑槽16内之止脫部17。將所述二彈性 *裝置20之另一端之卡鉤部23分別卡接於所述後蓋忉之 彈性裝置安裝部19上，進一步推動所述電池蓋3〇，使所 述蓋板31之卡持塊35卡持於所述後蓋10之第二側壁152 上之卡持部18之卡持槽182内，同時所述電池蓋3〇之封 閉板32對應地抵持於所述第四侧壁154之階梯形抵持部 1545上，即完成所述電池蓋組件1〇〇之安裴。於推動電 池蓋30過程中，所述彈性裝置2〇被拉伸，從而積蓄有一 彈性勢能。 當開啟所述電池蓋30時進行更換電池組件時，需用 力按壓或朝向第四側壁154之開口部1542方向推抵所述 蓋板31之外表面311上之按壓部39,使該蓋板31之内表 φ 面312上之卡持塊35從後蓋1〇之卡持部18之卡持槽182 中脫離出來。所述彈性裝置20積蓄之彈性勢能被釋放， 從而帶動所述電池蓋30沿後蓋1〇之第一侧壁151及第三 側壁153上之滑槽16朝向第四侧壁154之開口部1542方 向滑移以露出所述電池容納腔15。所述二滑軌33上之防 脫部34對應地抵持於滑槽16内之止脫部I?上，以防止 該電池蓋30與後蓋10脫離。 可以理解，所述彈性裝置20之數量並不限於本實施 例中之二個，其亦可以根據實際需要增加或減少其數量。 例如：當所述彈性裝置20為一個時亦為可行之。 13 200950184 可以理解，所述彈性裝置20並不限於本實施例中之 螺旋彈簧，其亦可以為壓簧、板簧等其他彈性體。 * 可以理解，所述導向槽37之數量對應於所述彈性裝 •置之數莖’其亦不限於本實施例中之二個，其亦可以根據 實際需要增加或減少其數量。 可以理解，所述導向槽37亦可以為直接凹設於所述 内表面312之凹槽。 ❹ 可以理解，所述後蓋10之滑槽16之數量不限於本實 施例中之二個，其亦可以根據實際需要增加或減少該滑槽 16之數量。 可以理解，所述後蓋10上之止脫部17並不限於本實 施例中之二個，其亦可以根據實際需要增加或減少止脫部 17之個數。所述防脫部34之數量亦不限於本實施例中之 二個，其數量與所述止脫部34之數量相當。 所述電池蓋組件100採用一彈性裝置2〇將電池蓋 ©可滑動地罩設於該後蓋10之電池容納腔15上，並提供一 開啟電池蓋30之彈性力，從而於電池蓋3〇拆裝、使用過 程中，不需要費很大力氣就可藉由其彈性裝置2〇輕鬆、 方便開啟所述電池蓋3〇〇藉由於所述後蓋1〇上相對設置 二止脫部17,以及於所述電池蓋3〇上對應於該二止^ 17設置二防脫部34,從而使得電池筌川认φ° π电池盍30於更換電池過 中與電子裝置之後蓋10不分離，你而古—、故a 30之遺失。 冑從而有效避免了電池蓋 综上所述，本發明符合發明專利要件，爰依法提出專 200950184 利申=。惟，以上所述者僅為本發明之較佳實施例，本發 明,範圍並不以上述實施例為限，舉凡熟悉本案技藝之丄 .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。 【圓式簡單說明】 圖1為本發明較佳實施例電池蓋組件之分解立體示 意圖； Φ 圖2為本發明較佳實施例電池蓋組件之另一視角下 之分解立體示意圖； 圖3為本發明較佳實施例電池蓋組件組裝後之立體 示意圖； 圖4為圖3所示電池蓋組件沿VI-VI方向之剖視示意 圖； 圖5為本發明較佳實施例電池蓋組件之電池蓋彈出 時之立體示意圖。 ❹【主要元件符號說明】 攜帶型電子裝置 100 後蓋 10 第一表面 11 第二表面 13 電池容納腔 15 第一侧壁 151 第二側壁 152 第三側壁 153 第四側壁 154 開口部 1542 抵持部 1545 滑槽 16 止脫部 17 卡持部 18 15 200950184 卡持槽 182 安裝部 19 彈性裝置 20 主體部 21 ‘卡鉤部 23 電池蓋 30 蓋板 31 外表面 311 内表面 312 側壁 315 封閉板 32 滑軌 33 防脫部 34 卡吃塊 35 丨彈性裝置裝設部 36 基座 362 卡接部 365 卡持孔 3652 導向槽 37 凸條 372 按壓部 39 參 16The electronic device can be an electronic device such as a mobile phone, a personal digital assistant (PDA) or a digital camera. Referring to Figures 1 and 2, the battery cover assembly 1 is mounted on a body (not shown) of an electronic device for mounting a battery assembly (not shown) for supplying power to the electronic device. The battery cover assembly 1 includes a rear cover 10, a resilient device 20, and a battery cover 3''. The back cover 10 may be a main body or a part of the housing of the electronic device, and has a substantially rectangular plate shape. The back cover 10 includes a first surface u, a second table φ 13 opposite to the first surface Π 13 , a battery receiving cavity 200950184 1-5 , two sliding slots 16 , two retaining portions 17 , and a latching Part i8 and an elastic device mounting portion 19. In the present embodiment, the battery receiving chamber has a substantially 'rectangular receiving space' from the first surface: 1 toward the second surface. The direction through-opening-rectangular through-hole formation ‘and correspondingly forms a first side wall 151, a first side wall 152 隹, a third side wall 153 and a fourth side wall 154. The first side wall 151 is parallel to the third side wall 153, and the second side wall 152 is parallel to the fourth side wall μ#, and the same side wall is used to enclose the battery for mounting the battery assembly. Cavity 15. The side of the fourth side wall 154 facing the first surface η is cut away to form a substantially rectangular opening portion 1542, and correspondingly the fourth side wall 154 is formed toward the first surface 1; Resist part 1545. The two sliding grooves 6 are oppositely recessed from the first surface θ direction and are respectively recessed from the first side surface 151 and the third side wall 153 at a position close to the first surface of the first surface, and the fourth The opening portions 1542 of the side walls 154 are in communication with each other. The two retaining portions 17 are two wedge-shaped projections which are respectively protruded from the 10th chute 16 at a position close to the end of the fourth side wall 154. The wedge-shaped beveled end (not shown) of the two retaining portions 17 is disposed toward the fourth side wall 154. The holding portion 18 is formed in a substantially rectangular block shape, and is protruded from a substantially central portion of the second side wall 152. The holding portion is recessed toward the upper surface η side to form a holding groove 182. The elastic device mounting portion 19 is disposed on the first side wall 151 and the third side wall 153 near the fourth side wall 154 end. In this embodiment, the elastic device mounting portion 19 is a circular columnar body that is protruded from the end of the opening portion 1542 of the first sidewall 151 adjacent to the fourth sidewall 154 toward the third sidewall 153. And connected to the third 200950184 side wall 153. The elastic device 20 is a two-coil spring, and one end thereof is respectively mounted on the elastic device mounting portion 19 of the rear cover 10, and the other end is mounted on the battery cover 30. The two elastic means 2 includes a main body portion 21 having a substantially circular column shape and two hook portions 23 respectively provided at both ends of the main body portion 21. The battery cover 30 has a substantially L'-shaped plate shape and is slidably mounted on the rear cover 10 and covers the battery receiving cavity. The battery cover 30 includes a cover 31, a closing plate 32, two sliding rails 33, two retaining portions 34, a retaining block 35, an elastic device mounting portion 36, two guiding slots 37 and a pressing portion. 39. The cover plate 31 has a substantially rectangular strip shape and includes an outer surface 311, an inner surface 312 opposite the outer surface 311, and two opposite parallel side walls 315. The closing plate 32 is formed in a substantially rectangular plate shape, which is formed by a vertical extension of one end edge of the cover plate 31 toward the inner surface 312. When the battery cover 3 is completely covered, the closing plate 32 is closed. The stepped abutting portion 1545 of the fourth side wall U4 of the rear cover 1 is abutted. The two sliding rails 33 are substantially in the shape of a rectangular strip which is parallel to the outer surface 311 of the cover plate 31 and protrudes from the opposite side walls 315 of the cover plate 31. The two retaining portions 34 are two wedge-shaped latches corresponding to the retaining portions 17 in the two sliding slots 16 and are oppositely protruded from the two sliding rails 33 in the direction parallel to the outer surface 31, and are located at At the other end (not shown) opposite to the end of the closing plate 32, such that the cover plate 31 is disposed on the rear cover 10, the cover plate 31 and the rear cover 10 are in use during use. Not separated from each other. The holding block 35 protrudes from the other end of the inner surface 312 of the cover plate 31 opposite to the closing plate 32. The elastic mounting portion 11 200950184 is disposed on the inner surface 312 at a position opposite to the closing end of the closing plate 32, and the elastic device mounting portion 36 is disposed adjacent to the holding block ‘35. The elastic device mounting portion 36 includes a base 362 and a second engaging portion 365. The base 362 has a substantially strip-shaped plate shape, and the inner surface 312 is protruded parallel to the closing plate 32. The closing plate 32 is opposite the other end. The two latching portions 365 are two rectangular projections that are spaced apart from the base 362 so as to be spaced apart from each other. The two latching portions 365 are respectively formed with a latching hole 3652. The two guiding grooves 37 are disposed on the inner surface 312 at intervals spaced apart from the side walls 315 of the cover plate 31, and are located between the closing plate 32 and the elastic device mounting portion 36. In the present embodiment, the two guiding grooves 37 are respectively surrounded by two strip-shaped ribs 372 and inner surfaces 312 which are spaced apart from the inner surface 312 in a direction parallel to the side wall 315. The two strips 372 are The spacing between the two is equivalent to the cross-sectional dimension of the resilient means 20 such that the resilient means 20 can be received within the guiding slot 37. The pressing portion 39 is substantially in the shape of an elliptical circular protrusion, and is protruded from the other end of the outer surface 311 of the cover plate 31 opposite to the closing plate 32. Referring to FIG. 3, FIG. 4 and FIG. 5, when the battery cover assembly 100 is assembled, the hook portion 23 at one end of the two elastic devices 20 is first engaged with the elastic device mounting portion of the battery cover 30. The main body portion 21 of the two elastic devices 20 are respectively disposed in the two guiding grooves 37 of the battery cover 30. Next, the battery cover 30 is disposed in the latching hole 3652 of the latching portion 365 of the latching portion 365. One end of the cover 31 is opposite to the opening i542 of the fourth side wall 154 of the battery cover 30, and the cover 31 is 12, 2009, 184, and the slide 33 is respectively corresponding to the sliding person. #16. The battery cover 30 is pushed so that the retaining portion % on the two slide rails 33 of the cover plate 31 correspondingly 'squeeze and pass over the retaining portion 17 in the two sliding slots 16. The hook portions 23 at the other end of the second elastic device 20 are respectively engaged with the elastic device mounting portion 19 of the back cover, and further push the battery cover 3 to make the cover 31 of the cover 31 35 is held in the holding groove 182 of the holding portion 18 of the second side wall 152 of the rear cover 10, and the closing plate 32 of the battery cover 3 correspondingly resists The stepped abutting portion 1545 of the fourth side wall 154 completes the mounting of the battery cover assembly 1 . During the pushing of the battery cover 30, the elastic device 2 is stretched to accumulate one When the battery pack 30 is opened, the battery unit is replaced, and the pressing portion 39 on the outer surface 311 of the cover 31 is pressed against the opening portion 1542 of the fourth side wall 154. The retaining block 35 on the inner surface φ of the cover 31 is detached from the retaining groove 182 of the retaining portion 18 of the rear cover 1〇. The elastic potential energy accumulated by the elastic device 20 is released, thereby driving the The battery cover 30 slides along the first side wall 151 of the rear cover 1 and the sliding groove 16 of the third side wall 153 toward the opening portion 1542 of the fourth side wall 154 to expose the battery receiving cavity 15. The retaining portion 34 on the rail 33 correspondingly abuts against the retaining portion I in the sliding groove 16 to prevent the battery cover 30 from being detached from the rear cover 10. It is understood that the number of the elastic devices 20 is not limited. Two of the embodiments can also increase or decrease the number according to actual needs. For example: It is also feasible when the elastic device 20 is one. 13 200950184 It can be understood that the elastic device 20 is not limited to the coil spring in the embodiment, and may be other elastic bodies such as a compression spring and a leaf spring. It can be understood that the number of the guiding grooves 37 corresponds to the number of the elastic devices. It is also not limited to two of the embodiments, and the number of the guiding grooves 37 can also be increased or decreased according to actual needs. The guide groove 37 can also be a recess directly recessed in the inner surface 312. ❹ It can be understood that the number of the sliding slots 16 of the rear cover 10 is not limited to two in the embodiment, and may be based on actual conditions. It is necessary to increase or decrease the number of the chutes 16. It can be understood that the retaining portion 17 on the back cover 10 is not limited to two of the embodiments, and it is also possible to increase or decrease the number of the retaining portions 17 according to actual needs. The number of the retaining portions 34 is also not limited to two in the embodiment, and the number thereof is equivalent to the number of the retaining portions 34. The battery cover assembly 100 is slidably disposed on the battery receiving cavity 15 of the back cover 10 by a resilient device 2, and provides an elastic force for opening the battery cover 30, thereby opening the battery cover 3 During the disassembly and assembly, the battery cover 3 can be easily and conveniently opened by the elastic device 2 不需要 without great effort, and the second cover portion 17 is oppositely disposed on the rear cover 1 . And the second cover 17 is disposed on the battery cover 3 corresponding to the second stop 17 so that the battery is not separated from the electronic device after the battery is replaced. And the ancient -, therefore, the loss of a 30.胄 胄 有效 有效 有效 有效 电池 电池 电池 电池 电池 电池 电池 电池 电池 电池 电池 电池 电池 电池 电池 电池 电池 电池 电池 电池 电池 电池 电池 电池 电池 电池However, the above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and equivalent modifications or variations made by the present invention in accordance with the spirit of the present invention. , should be covered in the scope of the following patent application. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a battery cover assembly according to a preferred embodiment of the present invention; FIG. 2 is an exploded perspective view of the battery cover assembly of the preferred embodiment of the present invention; FIG. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 4 is a cross-sectional view of the battery cover assembly of FIG. 3 taken along line VI-VI; FIG. 5 is a battery cover of the battery cover assembly of the preferred embodiment of the present invention. A three-dimensional diagram of time. ❹ [Main component symbol description] Portable electronic device 100 Rear cover 10 First surface 11 Second surface 13 Battery accommodating cavity 15 First side wall 151 Second side wall 152 Third side wall 153 Fourth side wall 154 Opening part 1542 Resisting part 1545 Chute 16 Stopping portion 17 Holding portion 18 15 200950184 Holding groove 182 Mounting portion 19 Elastic device 20 Main body portion 21 'Snap portion 23 Battery cover 30 Cover 31 Outer surface 311 Inner surface 312 Side wall 315 Closure plate 32 Slip Rail 33 retaining portion 34 snapping block 35 丨 elastic device mounting portion 36 base 362 snap portion 365 snap hole 3652 guide groove 37 rib 372 press portion 39 reference 16