五、新型說明： 【新型所屬之技術領域】 本新型是有關於一種固定機構及應用其之手持式電子 裝置特別是有關於一種記憶卡之固定機構及應用其之手 持式電子裝置。 【先前技術】 、k著科技的發展，現代人的生活中已充斥著各式各樣 的電子裝置。其中以行動電話為例的手持式電子裝置，由 於具有可以隨時隨地進行通訊的便利性，已成為人們日常 生活中不可或缺的一部分。近年來在行動電話薄型化的風 潮下，業界無不致力於研發厚度更薄的產品，以符合消費 者的喜愛。 ' 一般而言，為了減小行動電話的厚度，在產品中會避 免使用電池疊置於記憶卡上的配置方式。取而代之地，係 將記憶卡配置在電池旁’並且不在電池下方設置元件，藉 以有效縮減行動電話的厚度。相較於電池疊置於記憶卡上 的配置方式，此種配置方式係可讓使用者在不需取出電池 的情況下’ _插拔記針H若使时在記憶卡未 斷電的狀況下將其取出，容易造成短路，使得儲存的資料 遺失’甚至是損毁記憶卡。 【新型内容】 因此’本新型之-目的是在提供一種固定機構及應用 其之手持式電子裝置，用骑決❹者在未斷糾取下& M375360 憶卡的問題。 本新型之一方面係提出一種固定機構，至少包含一基 座以及一金屬支架。基座具有一容置槽，用以容置一記憶 卡。基座包含一第一扣件及一第二扣件。第一扣件電性連 接於一電池，第二扣件電性連接於記憶卡，且兩扣件分別 位於基座對應於容置槽兩側之處。金屬支架樞接於基座。 -當金屬支架扣接於第一扣件及第二扣件時，金屬支架位於 . 基座上之一扣合位置並且抵靠於記憶卡，以將記憶卡夾置 _ 於基座及金屬支架之間。兩扣件及金屬支架形成一電性通 路，使電池供電至記憶卡。 依據本新型一實施例，金屬支架係以可於扣合位置及 一脫離位置之間移動的方式，樞接於基座。 依據本新型另一實施例，當金屬支架位於脫離位置 時，兩扣件及金屬支架形成一電性斷路，使電池無法供電 至記憶卡。 依據本新型又一實施例，基座更包含多個彈性接腳， Φ 用以電性接觸於記憶卡。彈性接腳設置於容置槽内，並且 ' 電性連接於第二扣件。 依據本新型再一實施例，彈性接腳更用以於金屬支架 位於脫離位置時，抬升記憶卡及金屬支架。 依據本新型另一實施例，金屬支架包含一第三扣件及 一第四扣件，分別用以扣接第一扣件及第二扣件。 * 依據本新型又一實施例，金屬支架更包含一金屬導 .線，用以電性連接第三扣件及第四扣件。 依據本新型再一實施例，金屬導線具有一内阻值，其 M375360 係小於等於約0.1歐姆。 本新型之另一方面係提出一種手持式電子裝置，至少 包含一主板以及一固定機構。主板電性連接於一電池固 定機構用以固定一記憶卡。固定機構至少包含一基座及一 金屬支架基座3又置於主板上並具有一容置槽，用以容置 記憶卡。基座包含一第一扣件及一第二扣件。第一扣件經 •由主板電性連接於電池，第二扣件電性連接於記憶卡。兩 -扣件分別位於基座對應於容置槽兩側之處0金屬支架樞接 • 於該基座。當金屬支架扣接於兩扣件時，金屬支架位於基 座上之一扣合位置並且抵靠於記憶卡，以將記憶卡夾置於 基座及金屬支架之間。兩扣件及金屬支架形成一電性通 路’使電池供電至手持式電子裝置及記憶卡。 依據本新型另一實施例，當金屬支架位於脫離位置 時’兩扣件及金屬支架形成一電性斷路，使電池無法供電 至手持式電子裝置及記憶卡。 依據本新型另一實施例，電子裝置更包含一機體。主 • 板設置於機體中，且機體具有一電池槽及一記憶卡槽，記 • 憶卡槽位於電池槽旁。電池槽用以容置電池，固定機構係 暴露於記憶卡槽。 “ 本新型實施例之固定機構及應用其之手持式電子I 置’利用固定機構來固定記憶卡。固定機構之金屬支架^ 以作為斷電保護機制，藉以確保使用者在取出記憶卡前， ,記憶卡已處於斷電狀態，可避免記憶卡損壞的問題。 【實施方式】 M375360 • 請參照第1圖，其繪示依照本新型一實施例的一種手 持式電子裝置之示意圖。手持式電子裝置1〇〇包含一機體 110、一主板150以及一固定機構17〇。主板15()設置在機 體110中，機體110具有相鄰之一電池槽11〇a及一記憶卡 槽110b。電池槽110a用以容置一電池18〇。固定機構17〇 用來固定記憶卡160，並且設置在主板ι5〇上，且固定機 -構170暴露於機體no之記憶卡槽ll〇b。由於記憶卡槽110b 位於電池槽ll〇a旁，使用者可以在不取出電池18〇的情況 φ 下，從固定機構170中取出記憶卡160。 於一實施例+，主板150包含多個電池接腳158 ,其 係路出於電池槽ll〇a之底面。當電池18〇容置於電池槽 ll〇a内時，此些電池接腳158接觸電池18〇的多個對應接 腳，使電池180電性連接於主板15〇，藉以供電給手持式 電子裝置100。另外，手持式電子裝置1〇〇更包含一蓋體 190。蓋體190用以設置於機體11〇上，藉以遮蓋電池18〇 及記憶卡16〇等元件。當蓋體190設置於機體110時，兩 • 者形成平整的外觀，提升手持式電子裝置100的美觀性。 接下來對於本新型一實施例之固定機構17〇進行說 明。請同時參照第2A及2B圖，第2A圖繪示依照本新型 一實施例的一種固定機構之示意圖，第2B圖繪示第2A圖 的固定機構之下視圖。固定機構170用以固定記憶卡16〇, 並且至夕、包含一基座171。固定機構170經由基座pi設 •置於主板150上。基座171具有一容置槽171c，並且包含 一第一扣件171a及一第二扣件171b。容置槽17lc用以容 置記憶卡160。第一扣件i7la經由主板150電性連接於電 M375360 池180 (電池180繪示於第1圖中），第二扣件171b電性 連接於記憶卡160。第一扣件171a及第二扣件171b分別 — 位於基座171上相對於容置槽171c兩側之處。 如第2B圖所示，本實施例之基座171更包含多個彈性 接腳171p，其係設置於容置槽171c内。當記憶卡160容 置於容置槽171c時，此些彈性接腳171p電性接觸於記憶 '卡160。彈性接腳nip電性連接於第二扣件171b，藉以將 記憶卡160電性連接至第二扣件171b。進一步來說，彈性 接腳171p更可電性接觸於主板150,藉以將資料由主板15〇 傳遞至記憶卡160，或由記憶卡160傳遞至主板150。 另一方面’如第2A圖所示，固定機構170更包含一 金屬支架172 ’其係樞接於基座171。更詳盡地來說，金屬 支架172係以可在一扣合位置及一脫離位置之間移動之方 式，樞接於基座171。在第2A圖及第2B圖所繪示之狀態 中，金屬支架172位於基座171上之扣合位置。當金屬支 架172扣接於第一扣件171a及第二扣件mb時，金屬支 架172位於扣合位置。此時金屬支架172抵靠於記憶卡 160，以將記憶卡160夾置於基座171及金屬支架172之 間。同時，第一扣件171a、第二扣件171b及金屬支架172 形成一電性通路。 請參照第2C圖，其繪示第2A圖之供電關係之示意 圖。第一扣件171a、金屬支架172及第二扣件nib形成 •電性通路，電池180可經由主板15〇、第一扣件、金 屬支架172及第二扣件nib供電至記憶卡16〇。於另一實 知例中，電池180更經由第一扣件171 a、金屬支架172及 M375360 第二扣件171b形成之電性通路，供電至機體110。也就是 說，手持式電子裝置100必須在金屬支架Π2位於扣合位 置時，方能開啟電源。 如第2B圖所示，於一實施例中，金屬支架172包含一 第三扣件172a及一第四扣件172b，用以分別扣接於第一 扣件171a及第二扣件171b。如此一來，可以將金屬支架 172扣合於扣合位置，並且使第三扣件172a穩定地電性接 觸於第一扣件171a，使第四扣件172b穩定地電性接觸於 第二扣件171b。 更進一步來說，金屬支架172可選擇性地包含一金屬 導線，其係電鍍於金屬支架172的表面，用以電性連接第 三扣件172a及第四扣件172b。金屬導線可例如為金、銅 等金屬，具有小於等於約〇·1歐姆之一内阻值。當金屬支 架172扣接於第一扣件171a及第二扣件171b時，金屬支 架172可藉由金屬導線有效地將第一扣件171a電性連接至 第二扣件171b。 當欲取出記憶卡160時，將金屬支架172沿一第一方 向D1移動，使其脫離扣合位置。請參照第3A圖，其繪示 金屬支架位於脫離位置時之示意圖。當金屬支架172從扣 合位置移動至脫離位置時，第三扣件172a脫離與第一扣件 171a的扣合，第四扣件172b脫離與第二扣件171b的扣合。 此時，第一扣件171a、第二扣件Hlb及金屬支架172形 成一電性斷路，使電池180無法供電至記憶卡160。 請參照第3B圖，其繪示第3A圖之供電關係之示意 圖。第一扣件171a、金屬支架172及第二扣件171b形成 M375360 電性斷路’電池180無法供電至記憶卡160。於另一實施 例中，當金屬支架172位於脫離位置時，電池180無法供 電至機體110，使得手持式電子裝置100處於整機斷電的 狀態。 另一方面，當金屬支架172位於脫離位置時，前述之 此些彈性接腳171p (繪示於第2B圖中）更抬升記憶卡160 -及金屬支架172，使記憶卡160及金屬支架172沿第二方 向D2自基座171上彈起。請參照第4圖，其繪示記憶卡 % 及金屬支架於抬升後之示意圖。經由彈性接腳171p施力推 抵記憶卡160，使記憶卡160從容置槽171c中彈出，並且 使金屬支架172相對於基座171掀啟。此時使用者可以簡 易地取出記憶卡160。 本實施例之金屬支架172及記憶卡160並非同步相對 於基座171掀啟。然而在另一實施例中，金屬支架I?〗上 具有一插槽，記憶卡160係插設於插槽，使兩者同步相對 於基座171轉動。 Φ 實際應用上，手持式電子裝置100例如是一行動電 話。記憶卡160例如是一安全數位卡（Secure Digital card， SD card)、一微型安全數位卡(micro sd card)、一智慧媒體 卡（Smart Media card, SM card)、一多媒體卡（Multi-MediaV. New Description: [New Technology Field] The present invention relates to a fixing mechanism and a handheld electronic device using the same, and particularly to a fixing mechanism for a memory card and a handheld electronic device using the same. [Prior Art] With the development of technology, modern people's lives are full of various electronic devices. Handheld electronic devices, such as mobile phones, have become an indispensable part of people's daily lives because of the convenience of communicating anywhere, anytime. In recent years, under the trend of thin mobile phones, the industry has been committed to the development of thinner products to meet consumer preferences. In general, in order to reduce the thickness of the mobile phone, the configuration of the battery stack on the memory card is avoided in the product. Instead, the memory card is placed next to the battery and the components are not placed under the battery, effectively reducing the thickness of the mobile phone. Compared with the configuration method of stacking the battery on the memory card, this configuration mode allows the user to insert and remove the battery H without removing the battery, if the memory card is not powered off. Removing it, it is easy to cause a short circuit, so that the stored data is lost 'even the memory card is damaged. [New content] Therefore, the purpose of the present invention is to provide a fixing mechanism and a hand-held electronic device using the same, and the problem of the M375360 memory card is uninterrupted by the rider. One aspect of the present invention provides a securing mechanism comprising at least a base and a metal bracket. The base has a receiving slot for accommodating a memory card. The base includes a first fastener and a second fastener. The first fastener is electrically connected to a battery, and the second fastener is electrically connected to the memory card, and the two fasteners are respectively located at the sides of the base corresponding to the receiving slots. The metal bracket is pivotally connected to the base. - when the metal bracket is fastened to the first fastener and the second fastener, the metal bracket is located at a fastening position on the base and abuts against the memory card to sandwich the memory card with the base and the metal bracket between. The two fasteners and the metal bracket form an electrical path for the battery to be supplied to the memory card. According to an embodiment of the invention, the metal bracket is pivotally coupled to the base in a manner movable between the engaged position and the disengaged position. According to another embodiment of the present invention, when the metal bracket is in the disengaged position, the two fasteners and the metal bracket form an electrical disconnection, so that the battery cannot be powered to the memory card. According to still another embodiment of the present invention, the pedestal further includes a plurality of elastic pins, and Φ is for electrically contacting the memory card. The elastic pin is disposed in the receiving groove and is electrically connected to the second fastener. According to still another embodiment of the present invention, the elastic pin is used to lift the memory card and the metal bracket when the metal bracket is in the disengaged position. According to another embodiment of the present invention, the metal bracket includes a third fastening component and a fourth fastening component for respectively fastening the first fastening component and the second fastening component. According to still another embodiment of the present invention, the metal bracket further includes a metal wire for electrically connecting the third fastener and the fourth fastener. According to still another embodiment of the present invention, the metal wire has an internal resistance value, and the M375360 is less than or equal to about 0.1 ohm. Another aspect of the present invention is to provide a handheld electronic device comprising at least a main board and a fixing mechanism. The motherboard is electrically connected to a battery fixing mechanism for fixing a memory card. The fixing mechanism comprises at least a base and a metal bracket base 3 which is further disposed on the main board and has a receiving slot for accommodating the memory card. The base includes a first fastener and a second fastener. The first fastener is electrically connected to the battery by the main board, and the second fastener is electrically connected to the memory card. The two-fasteners are respectively located at the base corresponding to the two sides of the accommodating groove, and the metal bracket is pivotally connected to the pedestal. When the metal bracket is fastened to the two fasteners, the metal bracket is placed in a snap-fit position on the base and abuts against the memory card to position the memory card between the base and the metal bracket. The two fasteners and the metal bracket form an electrical path to power the battery to the handheld electronic device and the memory card. According to another embodiment of the present invention, when the metal bracket is in the disengaged position, the two fasteners and the metal bracket form an electrical disconnection, so that the battery cannot be powered to the handheld electronic device and the memory card. According to another embodiment of the present invention, the electronic device further includes a body. The main board is disposed in the body, and the body has a battery slot and a memory card slot, and the memory card slot is located beside the battery slot. The battery compartment is for accommodating the battery, and the fixing mechanism is exposed to the memory card slot. The fixing mechanism of the present invention and the hand-held electronic device I using the same use a fixing mechanism to fix the memory card. The metal bracket of the fixing mechanism is used as a power-off protection mechanism to ensure that the user removes the memory card before, The memory card is in a power-off state, and the problem of the damage of the memory card can be avoided. [Embodiment] M375360 • Please refer to FIG. 1 , which is a schematic diagram of a handheld electronic device according to an embodiment of the present invention. 1〇〇 includes a body 110, a main board 150 and a fixing mechanism 17〇. The main board 15() is disposed in the body 110, and the body 110 has an adjacent battery slot 11〇a and a memory card slot 110b. The battery slot 110a The utility model is used for accommodating a battery 18. The fixing mechanism 17 is used for fixing the memory card 160, and is disposed on the main board ι5〇, and the fixing mechanism 170 is exposed to the memory card slot 〇b of the body no. 110b is located beside the battery slot 11a, the user can remove the memory card 160 from the fixing mechanism 170 without removing the battery 18. In an embodiment, the main board 150 includes a plurality of battery pins 1 58 , the circuit is from the bottom surface of the battery slot 11 。 a. When the battery 18 is placed in the battery slot 11 〇 a, the battery pins 158 contact a plurality of corresponding pins of the battery 18 ,, so that the battery 180 The cover device 190 further includes a cover body 190. The cover body 190 is disposed on the body 11 , to cover the battery 〇 〇 〇 电池 主板 〇 〇 〇 手持 手持 手持 手持 手持 手持 手持 手持 手持 手持 手持 手持 手持 手持 手持 手持 手持 手持 手持And the memory card 16〇 and the like. When the cover 190 is disposed on the body 110, both of them form a flat appearance, and enhance the aesthetics of the handheld electronic device 100. Next, the fixing mechanism 17〇 of the present embodiment is performed. 2A and 2B, FIG. 2A is a schematic view of a fixing mechanism according to an embodiment of the present invention, and FIG. 2B is a bottom view of the fixing mechanism of FIG. 2A. The fixing mechanism 170 is used for fixing. The memory card is 16 〇, and includes a pedestal 171. The fixing mechanism 170 is disposed on the main board 150 via the pedestal pi. The pedestal 171 has a receiving groove 171c and includes a first fastening member 171a and a The second fastening member 171b is provided for receiving the slot 17lc. The memory card 160. The first fastener i7la is electrically connected to the electric M375360 pool 180 via the main board 150 (the battery 180 is shown in FIG. 1), and the second fastener 171b is electrically connected to the memory card 160. The first fastener 171a And the second fastening member 171b is located on the base 171 opposite to the two sides of the receiving groove 171c. As shown in FIG. 2B, the base 171 of the embodiment further includes a plurality of elastic pins 171p. The elastic pins 171p are electrically connected to the memory card 160 when the memory card 160 is received in the receiving slot 171c. The elastic pin nip is electrically connected to the second fastening member 171b, thereby electrically connecting the memory card 160 to the second fastening member 171b. Further, the elastic pin 171p is further electrically connected to the main board 150, so that the data is transferred from the main board 15A to the memory card 160 or from the memory card 160 to the main board 150. On the other hand, as shown in Fig. 2A, the fixing mechanism 170 further includes a metal bracket 172' which is pivotally connected to the base 171. More specifically, the metal bracket 172 is pivotally coupled to the base 171 in a manner that is movable between a snap-fit position and a disengaged position. In the state shown in Figs. 2A and 2B, the metal bracket 172 is located at the snapping position on the base 171. When the metal bracket 172 is fastened to the first fastener 171a and the second fastener mb, the metal bracket 172 is located at the fastening position. At this time, the metal bracket 172 abuts against the memory card 160 to sandwich the memory card 160 between the base 171 and the metal bracket 172. At the same time, the first fastening member 171a, the second fastening member 171b and the metal bracket 172 form an electrical path. Please refer to FIG. 2C, which shows a schematic diagram of the power supply relationship of FIG. 2A. The first fastening member 171a, the metal bracket 172 and the second fastening member nib form an electrical path, and the battery 180 can be supplied to the memory card 16A via the main board 15A, the first fastening member, the metal bracket 172 and the second fastening member nib. In another embodiment, the battery 180 is further supplied to the body 110 via an electrical path formed by the first fastener 171a, the metal bracket 172, and the M375360 second fastener 171b. That is to say, the handheld electronic device 100 must be powered on when the metal bracket Π 2 is in the engaged position. As shown in FIG. 2B, in one embodiment, the metal bracket 172 includes a third fastening member 172a and a fourth fastening member 172b for fastening to the first fastening component 171a and the second fastening component 171b, respectively. In this way, the metal bracket 172 can be fastened to the fastening position, and the third fastening member 172a can be stably electrically connected to the first fastening member 171a, so that the fourth fastening member 172b is stably electrically connected to the second fastening member. Pieces 171b. Furthermore, the metal bracket 172 can selectively include a metal wire which is plated on the surface of the metal bracket 172 for electrically connecting the third fastening member 172a and the fourth fastening member 172b. The metal wire may be, for example, a metal such as gold or copper, and has an internal resistance of less than or equal to about 1 ohm. When the metal bracket 172 is fastened to the first fastener 171a and the second fastener 171b, the metal bracket 172 can electrically connect the first fastener 171a to the second fastener 171b by the metal wire. When the memory card 160 is to be removed, the metal bracket 172 is moved in a first direction D1 to be released from the engaged position. Please refer to Fig. 3A, which shows a schematic view of the metal bracket when it is in the disengaged position. When the metal bracket 172 is moved from the engaged position to the disengaged position, the third fastener 172a is disengaged from the first fastener 171a, and the fourth fastener 172b is disengaged from the second fastener 171b. At this time, the first fastening member 171a, the second fastening member H1b, and the metal bracket 172 form an electrical disconnection, so that the battery 180 cannot be powered to the memory card 160. Please refer to FIG. 3B, which shows a schematic diagram of the power supply relationship of FIG. 3A. The first fastener 171a, the metal bracket 172, and the second fastener 171b form an M375360 electrical disconnection. The battery 180 cannot be powered to the memory card 160. In another embodiment, when the metal bracket 172 is in the disengaged position, the battery 180 cannot be powered to the body 110, so that the handheld electronic device 100 is in a state where the whole machine is powered off. On the other hand, when the metal bracket 172 is in the disengaged position, the aforementioned elastic pins 171p (shown in FIG. 2B) lift the memory card 160 and the metal bracket 172 to cause the memory card 160 and the metal bracket 172 to follow. The second direction D2 bounces off the base 171. Please refer to Figure 4, which shows a schematic diagram of the memory card % and the metal bracket after lifting. The memory card 160 is pushed by the elastic pin 171p to eject the memory card 160 from the accommodating groove 171c, and the metal bracket 172 is slid with respect to the base 171. At this time, the user can easily take out the memory card 160. The metal bracket 172 and the memory card 160 of this embodiment are not synchronized with respect to the base 171. In another embodiment, however, the metal holder has a slot, and the memory card 160 is inserted into the slot to synchronize the rotation of the two relative to the base 171. Φ In practical applications, the handheld electronic device 100 is, for example, a mobile phone. The memory card 160 is, for example, a Secure Digital card (SD card), a micro sd card, a Smart Media card (SM card), and a multimedia card (Multi-Media).
Card，MMC)，或其他習用於手持式電子裝置中的記憶卡。 由於金屬支架172自扣合位置移動至脫離位置時，第 • 一扣件171a、金屬支架172及第二扣件171b形成電性斷 路，使得電池180無法供電給記憶卡16〇及手持式電子裝 置100。如此一來，可以確保使用者在取出記憶卡16〇時， M375360 記憶卡160處於斷電狀態，避免記憶卡160損壞的問題。 上述依照本新型實施例之固定機構及應用其之手持式 ' 電子裝置，當金屬支架自扣合位置移動至脫離位置時，第 一扣件、金屬支架及第二扣件形成電性斷路，使得電池無 法供電給記憶卡及手持式電子裝置。如此一來，可以確保 使用者在取出記憶卡前，記憶卡已處於斷電狀態，可避免 -記憶卡損壞的問題。另外，利用固定機構之金屬支架作為 .斷電機制，不需額外設置用來切斷電源的偵測開關，可以 g 節省成本。 雖然本新型已以實施方式揭露如上，然其並非用以限 定本新型，任何熟習此技藝者，在不脫離本新型之精神和 範圍内，當可作各種之更動與潤飾，因此本新型之保護範 圍當視後附之申請專利範圍所界定者為準。 【圖式簡單說明】 為讓本新型之上述和其他目的、特徵、優點與實施例 • 能更明顯易懂，所附圖式之說明如下： 第1圖繪示依照本新型一實施例的一種手持式電子裝 置之示意圖。 第2A圖繪示依照本新型一實施例的一種固定機構之 示意圖。 第2B圖繪示第2A圖的固定機構之下視圖。 - 第2C圖繪示第2A圖之供電關係之示意圖。 第3A圖繪示金屬支架位於脫離位置時之示意圖。 第3B圖繪示第3A圖之供電關係之示意圖。 ^ M375360 第4圖繪示記憶卡及金屬支架於抬升後之示意圖。 【主要元件符號說明】 100 :手持式電子裝置 171a :第一扣件 110 :機體 171b :第二扣件 110a :電池槽 171c :容置槽 110b :記憶卡槽 171p :彈性接腳 150 :主板 172 :金屬支架 158 :電池接腳 172a :第三扣件 160 :記憶卡 172b :第四扣件 170 :固定機構 180 :電池 171 :基座 190 :蓋體Card, MMC), or other memory cards used in handheld electronic devices. When the metal bracket 172 is moved from the fastening position to the disengaged position, the first fastening member 171a, the metal bracket 172 and the second fastening member 171b form an electrical disconnection, so that the battery 180 cannot supply power to the memory card 16 and the handheld electronic device. 100. In this way, it can be ensured that the M375360 memory card 160 is in a power-off state when the user removes the memory card 16 ,, thereby avoiding the problem that the memory card 160 is damaged. In the above-mentioned fixing mechanism and the handheld electronic device using the same according to the embodiment of the present invention, when the metal bracket is moved from the fastening position to the disengaged position, the first fastening member, the metal bracket and the second fastening member form an electrical disconnection, so that The battery cannot be powered to the memory card and the handheld electronic device. In this way, the user can ensure that the memory card is powered off before the user removes the memory card, and the problem of the memory card being damaged can be avoided. In addition, the metal bracket of the fixing mechanism is used as the power-off mechanism, and the detection switch for cutting off the power supply is not required, and the cost can be saved. Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Any one skilled in the art can make various changes and retouchings without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached. BRIEF DESCRIPTION OF THE DRAWINGS In order to make the above and other objects, features, advantages and embodiments of the present invention more comprehensible, the description of the drawings is as follows: FIG. 1 is a view of an embodiment of the present invention. Schematic diagram of a handheld electronic device. 2A is a schematic view of a fixing mechanism in accordance with an embodiment of the present invention. Fig. 2B is a bottom view showing the fixing mechanism of Fig. 2A. - Figure 2C shows a schematic diagram of the power supply relationship of Figure 2A. Figure 3A is a schematic view showing the metal holder in a disengaged position. FIG. 3B is a schematic diagram showing the power supply relationship of FIG. 3A. ^ M375360 Figure 4 shows a schematic diagram of the memory card and metal bracket after lifting. [Main component symbol description] 100: Handheld electronic device 171a: First fastener 110: Body 171b: Second fastener 110a: Battery slot 171c: accommodating slot 110b: Memory card slot 171p: Resilient pin 150: Main board 172 : metal bracket 158 : battery pin 172 a : third fastener 160 : memory card 172b : fourth fastener 170 : fixing mechanism 180 : battery 171 : base 190 : cover
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