070727.TW 26257twf.doc/d 九、發明說明： 【發明所屬之技術領域】 本發明是有關於一種機殼（casing)，且特別是有關 於一種具有卡扣件（locking element)的機殼。 【先前技術】 圖1為習知一種機殼的上視示意圖，而圖2為圖1的 機殼沿著I-Ι線的刮面示意圖。請參考圖1與圖2，機殼 100包括一殼體（shell) 110以及一滑設於殼體110的蓋體 (cover) 120。殼體110具有一第一内表面（ inner surface ) 112以及一配置於第一内表面112上的第—^扣部（locking portion) 114。蓋體 120 具有一貫穿孔（through hole) 122、 一組裝孔（assembling hole) 124、一第二内表面 126 (繪 示於圖2)以及一配置於第二内表面126上的撓性卡扣件 130。 撓性卡扣件130包括一連接部（connecting portion) 132、一弟一卡扣部134以及一按壓部（pushed portion) 136。連接部132藉由一穿設組裝孔丨24的插銷140而連接 至蓋體120 ’而按壓部136位於連接部132與第二卡扣部 134之間’並配置於貫穿孔122内。當蓋體120沿著一第 一方向200a (繪示於圖1)相對於殼體11〇滑動至如圖1 所示的位置時，殼體11〇與蓋體12〇藉由第一卡扣部114 卡扣（lock)第二卡扣部134而彼此固定。值得注意的是， 當咸體Π0與蓋體120彼此固定時，挽性卡扣件130的連 070727.TW 26257twf.doc/d 接部132、按壓部136與第二卡扣部134是不平行苐~方 向200a而配置。 當按壓部136被按壓時，撓性卡扣件130會產生彈性 變形（如圖2中虛線所示），以使第二卡扣部134遠離第 二内表面126。此時，第一卡扣部114不卡扣第二卡扣部 134 ’以使蓋體120可沿著一第二方向2〇〇b (繪示於圖1) 相對於殼體110滑動，進而使蓋體〗2〇可由殼體110上拆 卸下來。 值得注意的是，由於使用者按壓按壓部136時會增加 殼體11〇與蓋體120之間的摩擦力，因此使用者推動蓋體 120使得蓋體12〇相對於殼體110滑動時，使用者會較為 費力。 【發明内容】 本發明提供一種機殼，使用者在推動蓋體使得蓋體相 對於殼體滑動時，使用者會較為省力。 本發明提出一種機殼，包括一殼體、一蓋體、一樞柏 (Shaft)、—卡扣件以及一扭簀（torsionalspring)。殼體 具，開口（opening)、一内表面以及一配置於内表面上 的第卡扣部。蓋體適於沿著—方向喊至殼體，以覆蓋 開口叶扣件透過拖軸樞接於蓋體，並具有-第-端部（end porti?、—第二端部以及_配置於第—端部的第二卡扣 邰第端部與第二端部位於樞軸的相 於框軸。扭膂的-端（end)連接於蓋趙，而心3二 070727.TW 26257twf.doc/d 連接於卡扣件。當蓋體覆蓋開口時，第一卡扣部卡扣第二 卡扣部’以使蓋體©定於殼體。當卡扣件的第二端部被按 壓而轉動使得第一卡扣部不卡扣第二卡扣部時，扭簧產生 彈性變形，且卡扣件的第一端部突出於蓋體，以使I體適 於逆著上述方向而拆離殼體。 在本發明的一實施例中，上述的第二端部與第一端部 依序沿著上述方向配置。 在本發明的一實施例中，上述的第一卡扣部為一卡拴 (pin) ’而第二卡扣部為一卡勾（h〇〇k)。 在本發明的一實施例令，上述的蓋體具有一限位部 (limit portion)。當蓋體不組裝至殼體時，第—端部抵住 (lean against)限位部。 在本發明的一實施例中，上述的蓋體具有一第三卡扣 部，而卡扣件更具有一位於第二端部的第四卡扣部。當卡 扣件的第一端部被按壓而轉動使得第—^扣部不卡扣第二 卡扣部時’第三卡扣部干涉（interfere with)第四卡扣部。 在本發明中，當卡扣件的第二端部被按壓而使卡扣件 的第一端部突出於蓋體後，使用者可在卡扣件的第一端部 施予一逆著上述方向的外力，以推動蓋體使得蓋體相對於 忒體滑動。因此，使用者在推動蓋體使得蓋體相對於殼體 滑動時，使用者會較為省力。 為讓本發明的上述特徵和優點能更明顯易僅，下文特 舉一實施例，並配合所附圖式，作詳細說明如下。 070727.TW 26257twf.d〇c/d 【實施方式】 圖3A為本發明一實施例的一種機殼的分解示意圖。 圖3B為圖3A的機殼的組裝示意圖。圖4為圖3B之機殼 的部分構件沿著A-A線的剖面圖。圖5為圖3B之機殼的 部分構件沿著B-B線的剖面圖。圖6為圖5中的卡扣件被 按壓後的示意圖。為了更清楚地顯示出卡扣件 '第一卡扣 部、限位部、第三卡扣部與第四卡扣部之間的作動關係， 圖5與圖6中省略部份的殼體與蓋體而僅繪示出殼體的第 一卡扣部以及蓋體的限位部與第三卡扣部。 請參考圖3A '圖3B '圖4與圖5，機殼3〇〇包括一 设體310、一蓋體320、一框轴330、—^扣件340以及至 少一扭簧350 (本實施例的圖4中示意地繪示出二個）。 设體310具有一開口 312、一内表面314以及一配置於内 表面314上的第一卡扣部316。蓋體320可沿著一方向4〇〇 組襞至殼體310，以覆蓋開口 312。 卡扣件340透過樞軸330樞接於蓋體32〇，並具有一 第一端部342、一第二端部344以及一第二卡扣部346。第 一端部342與第二端部344位於樞軸33〇的相對兩側。第 二卡扣部346配置於第一端部342。 於此實施例中’第二端部344與第一端部342例如是 依序沿著上述方向400配置。第一卡扣部316例如是突出 於殼體310的内表面314的一卡栓，而第二卡扣部346則 例如是位置對應於第一卡扣部316的一卡勾。另外，這此 扭簧350則是套設於框轴330上，其中各個扭簧35〇 ^一 070727.TW 26257twf.doc/d ==體320 ’而各個扭菁350的另-端則是連接於 P1 口 t盖體320沿著上述方向400組裝至殼體310而覆蓋 時（如圖3B所示），第一卡扣部316(卡检）會 ^ : 46(卡勾）互相卡扣（如圖4與圖5所示）， =盖體挪岐於殼體31G。此時，第二端部344未被 ^ f ’且弟—卡扣部316與第二卡扣部346更可藉由互相 2而限定第一端料2的臨界位置。此外，此時的卡扣 ^ 40的一暴露於外的上表面341與蓋體32〇的一暴露於 外的上表面321實質上平行或共面。 請參考圖6,當卡扣件_的第二端部344被按壓時， 口件340會以樞轴330為軸心作轉動，以使第—_^扣部 一 卡栓）會由第二卡扣部346 (卡勾）巾麟而不與第 二扣部346互相卡扣。此時，這些扭簣35〇(繪示於圖4) ς產生彈性變形，卡扣件34〇的第一端部342會突出於蓋 = 320的上表面321 (綠示於圖3Α)，且蓋體猶可逆著 述方向400 (繪示於圖3Α)而拆離殼體 310。 值得注意的是’請參考圖SA與圖6，於此實施例中， 扣件340的第二端部344被按壓時會使卡扣件的第 端。P 342犬出於蓋H 32〇。因此，使用者可在卡扣件34〇 2端部342上施予一逆著上述方向4〇〇的外力，以推 蓋體320逆著上述方向4〇〇而相對於殼體滑動。相 較於習知技藝中的撓性卡扣件13G(_示於圖丨與圖2)， 使用者在推動此實施例中的蓋體32〇使得蓋體32〇相對於 1341967 070727.TW 26257twf.d〇c/d 殼體310滑動時，使用者會較為省力。 除此之外，請參考圖5與圖6，蓋體32 -限位部322以及一第三卡扣部324 =J: = Π 344的第四卡扣部 4置對應於第-％部342的位置，而第三 置對應於第二端部344的位置，且限位部切立 部，而第四卡扣部348例如是對應於; 二卡扣部324的凹陷（dent)。 如圖6所示，當卡扣件340的第二端部344 使^第-卡扣部316不與第二卡扣部346互相卡扣時，第 二卡扣部324干涉第四卡扣部348，以限定第二端部細 被按壓後的臨界位置。此時，第三卡扣部324干涉第四卡 扣部348所產生的相對於樞軸330的干涉力矩至少合略大 丑營350 (見圖4)所產生的扭轉力矩（_曰η)且 干,力矩的方向相反於扭轉力矩的方向，以將卡扣件· 的第-端部342保持於突出於蓋體32〇之上表面321 (見 圖4)的狀態。在此必須說明的是，當蓋體32〇 (見圖3α) 拆離殼體310 (見圖3Α)後’若使用者在卡扣件34〇的第 一端部342稍加施力使得第三卡扣部324不再干涉第四卡 扣部348 ’則這些扭簧350 (見目4)的扭轉力矩會轉動卡 扣件340以使卡扣件340回復至一初始位置（見圖3α)且 限位部322會抵住第-端部342，以限定第一端部342的 界位置。 綜上所述，在本發明之實施例中，當卡扣件的第二端 1341967 070727.TW 26257twfdoc/d 彳被按壓後，卡扣件的第一端部會突出於蓋體。此時，使 用者可在卡扣件的第一端部施予一逆著蓋體滑設於殼體的 方，的外力’以推動蓋體相對於殼體滑動，進而將蓋體拆 ，，體。因此’使用者德動本發明之實施射的蓋體使 得蓋體相對於殼體滑動時，使用者會較為省力。 雖然本發明已以較佳實施例揭露如上，然其並非用以 限定本發明，任何所屬技術領域中具有通常知識者，在不 脫離本發明之精神和範圍内，當可作些許的更動與潤飾， 因此本發明的保護範圍當視後附的申請專利範圍所界定者 為準。 【圖式簡單說明】 圖1為習知一種機殼的上視示意圖。 圖2為圖1的機殼沿著I—I線的剖面示意圖。 圖3A為本發明一實施例的一種機殼的分解示专圖。 圖3B為圖3A的機殼的組裝示意圖。 θ 圖4為圖3Β之機殼的部分構件沿著Α·Α線的剖面圖。 圖5為圖3Β之機殼的部分構件沿著β_β線的剖面圖。 圖6為圖5中的卡扣件被按壓後的示意圖。 θ 【主要元件符號說明】 100 ·機殼 110 :殼體 112 :第一内表面 1341967 070727.TW 26257twf.doc/d 第一卡扣部 蓋體 貫穿孔 組裝孔 第二内表面 撓性卡扣件 連接部 第二卡扣部 按壓部 插銷 ••第一方向 :第二方向 機殼 殼體 開口 内表面 第一卡扣部 蓋體 上表面 限位部 第三卡扣部 框軸 卡扣件 上表面 1341967 070727.TW 26257twf.doc/d 342 :第一端部 344 :第二端部 346 :第二卡扣部 348 :第四卡扣部 350 :扭簧 400 :方向070727.TW 26257twf.doc/d IX. Description of the Invention: TECHNICAL FIELD The present invention relates to a casing, and more particularly to a casing having a locking element. [Prior Art] Fig. 1 is a top plan view of a conventional casing, and Fig. 2 is a schematic view showing a scraping surface of the casing of Fig. 1 along the I-Ι line. Referring to FIG. 1 and FIG. 2, the casing 100 includes a casing 110 and a cover 120 slidably mounted on the casing 110. The housing 110 has a first inner surface 112 and a locking portion 114 disposed on the first inner surface 112. The cover 120 has a consistent through hole 122, an assembly hole 124, a second inner surface 126 (shown in FIG. 2), and a flexible snap member disposed on the second inner surface 126. 130. The flexible snap member 130 includes a connecting portion 132, a first snap portion 134, and a pushed portion 136. The connecting portion 132 is connected to the lid body 120' by a pin 140 through which the hole 24 is assembled, and the pressing portion 136 is located between the connecting portion 132 and the second hook portion 134 and disposed in the through hole 122. When the cover 120 is slid relative to the housing 11 沿着 in a first direction 200a (shown in FIG. 1 ) to a position as shown in FIG. 1 , the housing 11 〇 and the cover 12 〇 are first buckled The portions 114 lock the second hook portions 134 to be fixed to each other. It should be noted that when the salty body Π0 and the cover body 120 are fixed to each other, the 070727.TW 26257 twf.doc/d joint portion 132, the pressing portion 136 and the second buckle portion 134 of the pull-tab member 130 are not parallel.苐~ Direction 200a is configured. When the pressing portion 136 is pressed, the flexible snap member 130 is elastically deformed (as indicated by a broken line in Fig. 2) to move the second hook portion 134 away from the second inner surface 126. At this time, the first fastening portion 114 does not buckle the second fastening portion 134 ′ so that the cover 120 can slide relative to the housing 110 along a second direction 2 〇〇 b (shown in FIG. 1 ). The cover body 2 can be detached from the housing 110. It should be noted that since the user presses the pressing portion 136 to increase the friction between the housing 11 and the cover 120, the user pushes the cover 120 so that the cover 12 is slid relative to the housing 110. It will be more laborious. SUMMARY OF THE INVENTION The present invention provides a casing that is user-friendly when the user pushes the cover so that the cover slides relative to the housing. The invention provides a casing comprising a casing, a cover, a shackle, a snap fastener and a torsional spring. The housing has an opening, an inner surface, and a first snap portion disposed on the inner surface. The cover body is adapted to be shouted to the housing along the direction to cover the open leaf fastener member pivotally connected to the cover body through the drag shaft, and has a - end portion (end porti?, - second end portion and - the second latching end of the end portion of the second end portion is located at the pivot axis of the frame axis. The twisted end is connected to the cover Zhao, and the heart 3 070727.TW 26257twf.doc / d connection When the cover covers the opening, the first fastening portion snaps the second fastening portion ′ to fix the cover body to the housing. When the second end of the fastening member is pressed and rotated, the first When the one buckle portion does not buckle the second buckle portion, the torsion spring is elastically deformed, and the first end portion of the buckle member protrudes from the cover body, so that the I body is adapted to be detached from the housing against the above direction. In an embodiment of the invention, the second end portion and the first end portion are sequentially disposed along the direction. In an embodiment of the invention, the first fastening portion is a pin (pin) And the second fastening portion is a hook (h〇〇k). In an embodiment of the invention, the cover body has a limit portion. When the cover body is not assembled to In the case of the housing, the first end portion is in abutment against the limiting portion. In an embodiment of the invention, the cover body has a third locking portion, and the locking member has a second end. a fourth fastening portion of the portion. When the first end portion of the fastening member is pressed and rotated such that the first fastening portion does not buckle the second fastening portion, the third fastening portion interferes with the fourth card In the present invention, after the second end of the latching member is pressed to cause the first end of the latching member to protrude from the cover body, the user can apply a first end portion of the latching member. The external force against the above direction pushes the cover body to slide the cover body relative to the body. Therefore, when the user pushes the cover body so that the cover body slides relative to the housing, the user is less laborious. The features and advantages can be more obvious and simple. The following is an embodiment and is described in detail below with reference to the drawings. 070727.TW 26257twf.d〇c/d [Embodiment] FIG. 3A is an embodiment of the present invention. Figure 3B is a schematic view of the assembly of the casing of Figure 3A. Figure 4 is a schematic view of the casing of Figure 3B. Figure 5 is a cross-sectional view of a portion of the casing of Figure 3B taken along line BB. Figure 6 is a schematic view of the fastener of Figure 5 after being pressed. The actuating relationship between the first latching portion, the limiting portion, the third latching portion and the fourth latching portion of the latching member is shown, and the housing and the cover are omitted in FIG. 5 and FIG. The first latching portion of the housing and the limiting portion and the third latching portion of the cover are illustrated. Referring to FIG. 3A, FIG. 3B, FIG. 4 and FIG. 5, the housing 3 includes an installation body 310. A cover 320, a frame shaft 330, a fastener 340, and at least one torsion spring 350 (two are schematically shown in FIG. 4 of the present embodiment). The body 310 has an opening 312, an inner surface 314 and a first latching portion 316 disposed on the inner surface 314. The cover 320 can be assembled to the housing 310 in a direction to cover the opening 312. The latching member 340 is pivotally connected to the cover 32 through the pivot 330 and has a first end 342, a second end 344 and a second latching portion 346. The first end portion 342 and the second end portion 344 are located on opposite sides of the pivot 33〇. The second hooking portion 346 is disposed at the first end portion 342. In this embodiment, the second end portion 344 and the first end portion 342 are disposed, for example, sequentially along the above-described direction 400. The first latching portion 316 is, for example, a latch that protrudes from the inner surface 314 of the housing 310, and the second latching portion 346 is, for example, a latch that corresponds to the first latching portion 316. In addition, the torsion spring 350 is sleeved on the frame shaft 330, wherein each of the torsion springs 35 070 070727.TW 26257 twf.doc / d == body 320 ' and the other end of each twisted cyanine 350 is connected When the P1 port cover body 320 is assembled to the casing 310 in the above direction 400 to cover (as shown in FIG. 3B), the first buckle portion 316 (card check) will be: 46 (snap hook) snapped to each other ( As shown in FIG. 4 and FIG. 5, the cover body is moved to the housing 31G. At this time, the second end portion 344 is not ^f' and the second portion 344 and the second hook portion 346 can define the critical position of the first end material 2 by the mutual two. Further, an exposed upper surface 341 of the buckle 40 at this time is substantially parallel or coplanar with an exposed upper surface 321 of the cover 32A. Referring to FIG. 6, when the second end portion 344 of the latching member _ is pressed, the mouth member 340 is pivoted about the pivot shaft 330 so that the first button portion is rotated by the second button portion 340. The buckle portion 346 (the hook) is not engaged with the second buckle portion 346. At this time, the twists 35〇 (shown in FIG. 4) are elastically deformed, and the first end portion 342 of the snap member 34〇 protrudes from the upper surface 321 of the cover=320 (green is shown in FIG. 3Α), and The cover can be detached from the housing 310 by reversing the direction 400 (shown in FIG. 3A). It is noted that reference is made to Figures SA and 6, in this embodiment, the second end 344 of the fastener 340 is pressed to cause the first end of the snap. P 342 dogs are covered by H 32 〇. Therefore, the user can apply an external force against the above-mentioned direction 4〇〇 on the end portion 342 of the engaging member 34〇 2 to slide the cover body 320 against the housing against the above-mentioned direction 4〇〇. Compared to the flexible snap member 13G (shown in Figures 2 and 2) of the prior art, the user pushes the cover 32 in this embodiment such that the cover 32 is opposed to 1341967 070727.TW 26257twf .d〇c/d When the housing 310 slides, the user will be less laborious. In addition, referring to FIG. 5 and FIG. 6 , the cover body 32 - the limiting portion 322 and the third fastening portion 324 = J: = the fourth fastening portion 4 of the 344 344 corresponds to the first -% portion 342 The position of the third portion corresponds to the position of the second end portion 344, and the limiting portion is erected, and the fourth fastening portion 348 is, for example, corresponding to the dent of the second locking portion 324. As shown in FIG. 6, when the second end portion 344 of the latching member 340 does not latch the second latching portion 316 with the second latching portion 346, the second latching portion 324 interferes with the fourth latching portion. 348, to define a critical position after the second end portion is pressed fine. At this time, the third buckle portion 324 interferes with the interference torque generated by the fourth fastening portion 348 with respect to the pivot 330 to at least slightly increase the torsional moment (_曰η) generated by the ugly camp 350 (see FIG. 4) and Dry, the direction of the moment is opposite to the direction of the torsional moment to hold the first end portion 342 of the catch member in a state of protruding above the upper surface 321 of the cover 32 (see Fig. 4). It must be noted here that after the cover 32〇 (see FIG. 3α) is detached from the housing 310 (see FIG. 3A), if the user applies a slight force to the first end 342 of the snap member 34〇, The three latching portions 324 no longer interfere with the fourth latching portions 348'. The torsional moments of the torsion springs 350 (see item 4) will rotate the latching members 340 to return the latching members 340 to an initial position (see FIG. 3α). And the limiting portion 322 will abut the first end portion 342 to define the boundary position of the first end portion 342. In summary, in the embodiment of the present invention, when the second end 1341967 070727.TW 26257 twfdoc/d 卡 of the snap member is pressed, the first end portion of the buckle member protrudes from the cover body. At this time, the user can apply an external force 'sliding on the side of the cover against the cover at the first end of the buckle to push the cover to slide relative to the cover, thereby disassembling the cover. body. Therefore, when the user touches the cover of the present invention to cause the cover to slide relative to the housing, the user is less laborious. Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the invention, and any one of ordinary skill in the art can make some modifications and refinements without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a top plan view of a conventional casing. 2 is a cross-sectional view of the casing of FIG. 1 taken along line I-I. 3A is an exploded perspective view of a casing according to an embodiment of the invention. FIG. 3B is a schematic view showing the assembly of the casing of FIG. 3A. θ Figure 4 is a cross-sectional view of a portion of the casing of Figure 3 taken along the Α·Α line. Figure 5 is a cross-sectional view of a portion of the casing of Figure 3 taken along line β_β. Figure 6 is a schematic view of the snap fastener of Figure 5 after being pressed. θ [Description of main component symbols] 100 · Enclosure 110 : Housing 112 : First inner surface 1341967 070727.TW 26257twf.doc / d First snap portion cover through hole assembly hole Second inner surface flexible snap fastener Connecting portion second fastening portion pressing portion pin ••1st direction: second direction casing housing opening inner surface first fastening portion cover upper surface limiting portion third fastening portion frame shaft fastening member upper surface 1341967 070727.TW 26257twf.doc/d 342: first end 344: second end 346: second snap portion 348: fourth snap portion 350: torsion spring 400: direction