200950656 九、發明說明： 【發明所屬之技術領域】 本發明涉及一種理線裝置。 【先前技術】 現有的機架式伺服器包括一機櫃及複數裝設於該機 ’櫃中的伺服器機箱。該機櫃的相對兩側面分別裝設有滑 軌裝置以可抽取地裝設該等伺服器機箱。該等^服器機 箱後端通常設有複數連接線用於傳輪訊號及連接電源。 ❹為了方便伺服器機箱的抽取與維護，通常在機櫃的後端 設置理線裝置用於規整該等連接線。 理線裝置通常包括一對相互鉸接的支樓臂及一對分 別裝設於該對支撐臂的自由端的安裝部。利用螺絲將該 對安裝部分別鎖固於該機櫃及該伺服器機箱後端，亦可 分別鎖固於滑轨裝置的第二軌及第一轨，此種安裝方式 操作繁瑣。尤其當機櫃中的裝設的伺服器機箱較薄（如 ιυ伺服器）時，由於伺服器機箱之間的空間狹小，使得 ❿理線裝置的安裝及拆卸過程十分不便。 【發明内容】 鑒於以上内容，有必要提供一安裝及拆卸方便的 線裝置。 一種理線裝置，裝設於一滑執裝置，該滑執裝置包 括一第一軌及一第二執，該理線裝置包括一對繞線桿及 一對安裝組件，該對繞線桿的第一端透過一連接件相互 連接，該對安裝組件分別轉動裝設於該對繞線桿的第二 端，並分別固定於該滑轨裝置的第一執及第二軌，至: 7 200950656 -安裝組件包括-轉動連接其相連的繞線桿的托架及一 裝設於該托架的具彈性的卡固件’該至少一安裝組 與其相ϋ的第-執或第=軌自第一位置向第二位置： 動，其卡固件卡抵與其相連的第一轨或第二軌而固定ς 該第二位置。 ‘ 相較現有技術，該理線裝置透過裝設於其托年的彈 性卡固件將該托架固定於該機櫃的滑軌裝置，操作過程 無需螺絲，方便、快捷。 〇 【實施方式】 請參閱圖1至圖4，本發明理線裝置的較佳實施方式 裝設於一機櫃100内用以規整一伺服器機箱2〇〇的連接 線。該理線裝置包括一第一支撐臂1〇、一第二支撐臂2〇、 一連接件30、一第一安裝組件4〇及一第二安裝組件％。 該機櫃1〇〇 —側的立枉上安裝有一滑執裝置1〇1，該 滑執裝置101包括一第一轨1〇3及一第二執1〇5。在本實 施方式中，該第一軌1〇3係該滑轨裝置1〇1的内軌；該第 ❹一軌105係該滑軌裝置1〇1的外轨。該第一軌1〇3的後端 間隔設有一對凸拴104a、104b (如圖6所示），該對凸栓 104a、l〇4b分別形成一連接於該第一執1〇3的頸部1〇42&、 1042b，其末端分別形成一尺寸較大的頭部1〇44a、1〇4物。 忒第二軌105具有開口處縮小的“ c”形的斷面，該第二軌 105的後端開設一對卡固孔1〇6 (如圖8所示）。 該第一支撐臂10包括一繞線桿12及複數裝設於該繞 線桿12的線夾14。該繞線桿12的第一端垂直延伸形成一 樞接部122。 200950656 該第二支撐臂20具有與該第一支撐臂1〇相同結構， 其包括一繞線桿22及複數線夾24。該繞線桿22的第—端 垂直延伸形成一樞接部222。 在本實施方式中，該連接件30為一螺旋彈簧。 該第一安裝組件40包括一托架42及一片狀的彈性卡 ^固件44。該托架42的一端捲曲形成一對分別設有一樞轉 孔的樞轉部422。該托架42於鄰近該樞轉部422處設有一 安裝孔424’該安裝孔424包括一圓形的引導部4242及一 ❹與該引導部4242貫通且尺寸小於該引導部4242的圓形的 固定部4244。該托架42於遠離該樞轉部422的端緣處形 成一安裝口 426並於鄰近該安裝口 426處凸設複數連接部 428。該托架42於上、下侧緣處分別向内垂直延伸一折邊， 該對折邊於靠近該柩轉部422的一端垂直相向延伸形成— 對擋片429。該卡固件44 一端連續彎折形成一操作部442 並於鄰近該操作部442處設有一卡固孔446。該卡固件44 於遠離該操作部442的一端設有複數連接孔448。 Ο 該第一安裝組件50包括一托架52及一片狀的彈性卡 固件54。該托架52的一端捲曲形成一對分別設有一樞轉 孔的枢轉部522。該托架52於鄰近該樞轉部522處設有一 對穿設孔523。該托架52中部形成一向外凸出的具彈性的 抵頂片524。該托架52於遠離該樞轉部522的一端垂直向 内延伸一第一彎折部526，該第一彎折部526的末端進一 步向遠離該托架52的樞轉部522的方向垂直延伸一第二彎 折部527。該托架52於鄰近該彎折部526處凸設複數連接 部528。該卡固件54 一端彎折形成一操作部542並於鄰近 200950656 該操作部542處向外凸設一對楔形的卡片544。該卡固件 54的中部設一避位孔546，該卡固件54於遠離該操作部 542的一端設有複數連接孔548。 請一併參閱圖5，組裝該理線裝置時，將該托架42的 •連接部428固定於該卡固件44對應的連接孔448中而組成 該第一安裝組件40。該托架42的安裝孔424的固定部4244 正對該卡固件44的卡固孔446，而該安裝孔424的引導部 4242被該卡固件44遮蔽。將該托架52的連接部528固定 φ於該卡固件54對應的連接孔548中而組成該第二安裝組件 50。該卡固件54的卡片544穿出該托架52的穿設孔523, 該卡固件54的避位孔546正對該托架52的抵頂片524。 將該第一支撐臂10的繞線桿12的第二端（遠離其樞接部 122的一端）及該第二支撐臂10的繞線桿22的第二端（遠 離其樞接部222的一端）分別穿設並固定於該連接件30 的兩端，而該繞線桿12的樞接部122及該繞線桿22的樞 接部222分別轉動穿設於該托架42的樞轉部422的樞轉孔 ◎及該托架52的樞轉部522的樞轉孔中。 請一併參閱圖4、圖6及圖7,將該理線裝置的該第一、 第二安裝組件40、50分別裝設於該滑軌裝置101的第一軌 103及第二執105。 使該托架42的安裝孔424的引導部4242正對該第一 執103的凸栓104a並使該托架42貼靠於該第一軌103。 該凸栓104a的頭部1044a自該托架42的安裝孔424的引 導部4242穿出並抵頂該卡固件44而使其向遠離該托架42 的方向彈性變形，該第一軌103的凸栓104b正對該托架 200950656 42的安裝口 426。使該托架42沿該滑執裝置101滑動方向 向前滑動，該凸栓104a、104b的頸部1042a、1042b分別 逐漸滑入該托架42的安裝孔424的固定部4244及該托架 42的安裝口 426。當該凸栓104a對正該卡固件44的卡固 '孔446時，該卡固件44恢復變形，使該凸栓104a的頭部 —1044a穿出該卡固件44的卡固孔446。該卡固件44的卡固 孔446邊緣抵頂該凸栓104a的頭部1044a，使該凸栓104a 的頸部1042a穩固地卡固於該托架42的安裝孔424的固定 ❹部4244中，同時，該凸栓104b的頸部1042b卡固於該托 架42的安裝口 426中，從而使該第一安裝組件40裝設於 該第一軌103。 請一併參閱圖4，圖8及圖9，自後端將該托架52沿 該滑軌裝置101滑動方向滑入該第二軌105，當該卡固件 54的卡片544抵頂該第二軌105時，該卡固件54向遠離 該托架54的方向彈性變形。繼續向前滑動該托架52，當 該卡固件54的卡片544正對該第二轨105的卡固孔106 φ 時，該卡固件54恢復變形，使該卡固件54的卡片544對 應卡固於該第二執105的卡固孔106中而將該第二安裝組 件50裝設於該第二軌105。該托架52的抵頂片524抵緊 該第二執105。該托架52的第二彎折部527與該第二執105 之間形成一收容空間。由於該第二軌105具有開口處縮小 的“c”形的斷面，使得該托架52僅能沿平行該第二執105 的滑動方向裝入或退出，而不能沿垂直於該第二執105的 滑動方向裝入或退出該第二軌105。 使用時，將該伺服器機箱200的連接線繞於該第一支 11 200950656 樓臂π)的第-繞線桿12及該第二切臂_第二繞線桿 22並對應卡入其上的線夾14、24 當該舰器機箱2〇〇 被推入該機櫃肖，該連接件3G f曲，該第一繞線桿 12與第二繞線桿22之間的夾角變小而相互靠近，該第一 軌1〇3的後端伸入該托架52的第二f折部527及該第二軌 1〇5之間且貼靠於該第二特部527 (如圖2所示）。當該 祠服器機箱200的連接線較多時，該第一繞線桿以及該第 〇 - $ 103受力較大’而該第二安裝組件肋的托架52的第 - f折部527貼靠於該第一# 1〇3可有效防止該第一軌 〇3向内扭轉變形而損壞。當該伺服器機箱被抽出時， 該第-安裝組件40隨該第一軌1〇3向前滑動，該連 =斬伸直，該第一繞線桿12與第二繞線桿22之間的夾 角增大而相互分離。 將該理線裝置自該機檀1〇〇的滑軌装i逝卸下 朝^離該托架42的方向扳動該第一安裝組件4〇的卡 ❹ 使該第一軌103的凸栓104a的頭部⑽如 =離該卡固件44的卡固孔446，向後拉動該托架42,該凸 4王244〇ir^iM()42a自該托架42的安裝孔424的卡固部 -二力"242,同時，該凸栓1〇仆的頸部嶋 42的安裝口 426，向遠離該第一軌ι〇3的方向 ^ = 42 ’該凸栓的頭部軸自該托架Ο的 4〇自導部4242穿出，便可將該第一安裂組件 睹軌1〇3卸下。當扳動該卡固件44的操作部442 ㈣4 安裝組件4〇的托架42的撐片429的阻产， 使该卡固件44不至於過度_ 的阻《 12 200950656 朝遠離該托架52的方向扳動該第二安裝 固件54的操作部542，使該卡固件M 〇的卡 第二軌1〇5的卡固孔106,向後拉動該 二安裝組件50自該第二軌1〇5卸下。 更了將該第 综上料，本㈣符合發料财件，纽法 利申請。m所述者僅為本發明之較佳實施方式，= 二t案ϋ之人士 ’在爰依本發明精神所作之等效修 飾或變化，白應涵蓋於以下之申請專利範圍内。200950656 IX. Description of the invention: [Technical field to which the invention pertains] The present invention relates to a cable management device. [Prior Art] The existing rack server includes a cabinet and a plurality of server chassis installed in the cabinet. The opposite sides of the cabinet are respectively provided with slide rail devices for removably mounting the server cabinets. The rear end of the server box is usually provided with a plurality of connecting lines for transmitting signals and connecting power sources. ❹ In order to facilitate the extraction and maintenance of the server chassis, a cable management device is usually arranged at the rear end of the cabinet for regulating the connection lines. The cable management device typically includes a pair of hinged arm members that are hinged to each other and a pair of mounting portions that are respectively mounted to the free ends of the pair of support arms. The pair of mounting portions are respectively locked to the cabinet and the rear end of the server cabinet by screws, and can also be respectively locked to the second rail and the first rail of the rail device, and the installation method is cumbersome. Especially when the server chassis installed in the cabinet is thin (such as ιυ server), the installation and disassembly process of the tamper line device is very inconvenient due to the narrow space between the server cabinets. SUMMARY OF THE INVENTION In view of the above, it is necessary to provide a wire device that is easy to install and disassemble. A cable management device is mounted on a sliding device, the sliding device includes a first rail and a second handle, the cable management device includes a pair of winding rods and a pair of mounting assemblies, the pair of winding rods The first end is connected to each other through a connecting member, and the pair of mounting components are respectively rotatably mounted on the second ends of the pair of winding rods, and are respectively fixed to the first and second rails of the sliding rail device, to: 7 200950656 - the mounting assembly includes - a bracket for rotating the connected bobbin and a resilient fastener attached to the bracket - the at least one mounting group is opposite to the first or the first rail from the first The position is moved to the second position: the card holder is fixed to the second position by the first rail or the second rail connected thereto. ‘Compared with the prior art, the cable management device fixes the bracket to the slide rail device of the cabinet through the elastic card fastener installed in the tray year, and the operation process does not need screws, which is convenient and quick.实施 Embodiments Referring to FIG. 1 to FIG. 4, a preferred embodiment of the cable management device of the present invention is installed in a cabinet 100 for arranging a connection line of a server chassis 2〇〇. The cable management device includes a first support arm 1 , a second support arm 2 , a connecting member 30 , a first mounting component 4 , and a second mounting component % . A sliding device 1〇1 is mounted on the side of the cabinet, and the sliding device 101 includes a first rail 1〇3 and a second handle 1〇5. In the present embodiment, the first rail 1〇3 is the inner rail of the rail device 1〇1; the first rail 105 is the outer rail of the rail device 1〇1. A pair of tenons 104a, 104b (shown in FIG. 6) are disposed at a rear end of the first rail 1〇3, and the pair of bosses 104a and 104b respectively form a neck connected to the first handle The portions 1〇42&, 1042b each have a larger-sized head 1〇44a, 1〇4 at their ends. The second rail 105 has a reduced "c" shaped cross section at the opening, and the rear end of the second rail 105 defines a pair of fastening holes 1?6 (shown in Fig. 8). The first support arm 10 includes a bobbin 12 and a plurality of clips 14 mounted on the bobbin 12. The first end of the bobbin 12 extends vertically to form a pivoting portion 122. 200950656 The second support arm 20 has the same structure as the first support arm 1 , and includes a bobbin 22 and a plurality of clips 24 . The first end of the bobbin 22 extends vertically to form a pivoting portion 222. In the embodiment, the connecting member 30 is a coil spring. The first mounting assembly 40 includes a bracket 42 and a piece of resilient card firmware 44. One end of the bracket 42 is crimped to form a pair of pivoting portions 422 each provided with a pivot hole. The bracket 42 is disposed adjacent to the pivoting portion 422 with a mounting hole 424 ′. The mounting hole 424 includes a circular guiding portion 4242 and a circular shape that is continuous with the guiding portion 4242 and smaller in size than the guiding portion 4242 . Fixing portion 4244. The bracket 42 defines a mounting opening 426 at an end edge away from the pivoting portion 422 and a plurality of connecting portions 428 proximate the mounting opening 426. The bracket 42 extends vertically inwardly at the upper and lower side edges, and the pair of flanges extend perpendicularly to the end adjacent to the rotating portion 422 to form a pair of blocking pieces 429. One end of the fastener 44 is continuously bent to form an operating portion 442 and a locking hole 446 is disposed adjacent to the operating portion 442. The fastener 44 is provided with a plurality of connecting holes 448 at an end away from the operating portion 442. Ο The first mounting assembly 50 includes a bracket 52 and a piece of resilient fastener 54. One end of the bracket 52 is crimped to form a pair of pivot portions 522 each provided with a pivot hole. The bracket 52 is provided with a pair of through holes 523 adjacent to the pivot portion 522. The central portion of the bracket 52 defines an outwardly projecting resilient abutment piece 524. A first bent portion 526 extends perpendicularly inwardly from an end of the bracket 52 away from the pivot portion 522. The end of the first bent portion 526 further extends vertically away from the pivot portion 522 of the bracket 52. A second bent portion 527. The bracket 52 has a plurality of connecting portions 528 protruding adjacent to the bent portion 526. One end of the fastener 54 is bent to form an operating portion 542, and a pair of wedge-shaped cards 544 are outwardly protruded from the operating portion 542 adjacent to 200950656. A retaining hole 546 is defined in the middle of the fastener 54. The latch 54 is provided with a plurality of connecting holes 548 at an end away from the operating portion 542. Referring to FIG. 5, when the cable management device is assembled, the connecting portion 428 of the bracket 42 is fixed in the corresponding connecting hole 448 of the fastener 44 to constitute the first mounting assembly 40. The fixing portion 4244 of the mounting hole 424 of the bracket 42 is facing the fastening hole 446 of the fastener 44, and the guiding portion 4242 of the mounting hole 424 is shielded by the fastener 44. The second mounting assembly 50 is formed by fixing the connecting portion 528 of the bracket 52 to the corresponding connecting hole 548 of the fastener 54. The card 544 of the fastener 54 passes through the through hole 523 of the bracket 52. The avoidance hole 546 of the fastener 54 is opposite to the top piece 524 of the bracket 52. The second end of the bobbin 12 of the first support arm 10 (the end away from the pivot portion 122 thereof) and the second end of the bobbin 22 of the second support arm 10 (away from the pivot portion 222 thereof) One end is respectively disposed and fixed to the two ends of the connecting member 30, and the pivoting portion 122 of the winding rod 12 and the pivoting portion 222 of the winding rod 22 are respectively pivoted and pivoted through the bracket 42. The pivot hole ◎ of the portion 422 and the pivot hole of the pivot portion 522 of the bracket 52. Referring to FIG. 4, FIG. 6, and FIG. 7, the first and second mounting assemblies 40, 50 of the cable management device are respectively mounted on the first rail 103 and the second holder 105 of the rail device 101. The guiding portion 4242 of the mounting hole 424 of the bracket 42 is caused to face the boss 104a of the first holder 103 and the bracket 42 is placed against the first rail 103. The head portion 1044a of the protruding bolt 104a passes out from the guiding portion 4242 of the mounting hole 424 of the bracket 42 and abuts against the fastening member 44 to be elastically deformed away from the bracket 42. The first rail 103 is The boss 104b is facing the mounting port 426 of the bracket 200950656 42. The bracket 42 is slid forward in the sliding direction of the sliding device 101, and the neck portions 1042a, 1042b of the protruding bolts 104a, 104b are gradually slid into the fixing portion 4244 of the mounting hole 424 of the bracket 42 and the bracket 42 respectively. Mounting port 426. When the latch 104a is aligned with the fastening hole 446 of the fastener 44, the fastener 44 is restored to deform so that the head 10444a of the latch 104a passes through the fastening hole 446 of the fastener 44. The edge of the fastening hole 446 of the fastening member 44 abuts against the head portion 1044a of the protruding bolt 104a, so that the neck portion 1042a of the protruding bolt 104a is firmly fixed in the fixing jaw portion 4244 of the mounting hole 424 of the bracket 42. At the same time, the neck portion 1042b of the bolt 104b is locked in the mounting opening 426 of the bracket 42 so that the first mounting assembly 40 is mounted on the first rail 103. Referring to FIG. 4, FIG. 8 and FIG. 9, the bracket 52 is slid into the second rail 105 from the rear end in the sliding direction of the rail device 101, when the card 544 of the fastener 54 abuts the second rail. At the time of the rail 105, the fastener 54 is elastically deformed away from the bracket 54. Continuing to slide the bracket 52 forward, when the card 544 of the fastener 54 is facing the fastening hole 106 φ of the second rail 105, the fastener 54 is restored to deform, so that the card 544 of the fastener 54 is correspondingly stuck. The second mounting assembly 50 is mounted on the second rail 105 in the fastening hole 106 of the second holder 105. The abutting tab 524 of the bracket 52 abuts the second handle 105. A receiving space is formed between the second bent portion 527 of the bracket 52 and the second handle 105. Since the second rail 105 has a reduced "c" shaped cross section at the opening, the bracket 52 can only be loaded or withdrawn in a sliding direction parallel to the second handle 105, and cannot be perpendicular to the second The sliding direction of 105 loads or exits the second rail 105. In use, the connecting wire of the server chassis 200 is wound around the first bobbin 12 of the first arm 11 200950656 floor arm π) and the second cutting arm _ second bobbin 22 and correspondingly engaged thereon Clamps 14, 24 When the chassis 2 is pushed into the cabinet, the connecting member 3G is bent, and the angle between the first bobbin 12 and the second bobbin 22 becomes smaller and mutual Closely, the rear end of the first rail 1〇3 extends between the second f-fold portion 527 of the bracket 52 and the second rail 1〇5 and abuts the second special portion 527 (as shown in FIG. 2) Show). When the connector cable 200 has a large number of connecting lines, the first bobbin and the second cymbal-$103 are subjected to a large force, and the second mounting member rib of the bracket 52 has a -f-folding portion 527. Adhering to the first #1〇3 can effectively prevent the first rail 3 from being deformed inwardly and damaged. When the server chassis is withdrawn, the first mounting assembly 40 slides forward with the first rail 1〇3, the connection is straightened, and between the first winding rod 12 and the second winding rod 22 The angles are increased and separated from each other. The cable management device is detached from the slide rail of the machine, and the latch of the first mounting assembly 4 is pulled in a direction away from the bracket 42 to cause the bolt of the first rail 103. The head (10) of the 104a is pulled away from the fixing hole 446 of the fastener 44, and the bracket 42 is pulled backward. The convex portion of the convex portion 244〇ir^iM() 42a is fixed from the mounting hole 424 of the bracket 42. - Erli" 242, at the same time, the mounting port 426 of the neck sill 42 of the shackle 1 is away from the direction of the first rail ι 3 ^ ^ 42 ' the head shaft of the bolt is from the bracket The first tamper-removing member rails 1 〇 3 can be removed by the four-way self-guided portion 4242 of the frame. When the operating portion 442 of the fastener 44 is pulled, the resistance of the tab 429 of the bracket 42 of the mounting assembly 4 is blocked, so that the fastener 44 is not excessively blocked. 12 200950656 is away from the bracket 52. The operating portion 542 of the second mounting firmware 54 is pulled to pull the locking hole 106 of the second rail 1〇5 of the card holder M 向, and the two mounting assemblies 50 are pulled back to be detached from the second rail 1〇5. . In addition, the fourth comprehensive material, the (4) is eligible for the payment of materials, and Newfaly applies. The above is only a preferred embodiment of the present invention, and the equivalent modification or variation made by the person in the second embodiment of the present invention is to be included in the following patent application.
【圖式簡單說明】 圖1係本發明理線裝置的較佳實施方式、一機櫃、 一對滑軌裝置及一伺服器機箱的立體組合圖。 圖2係圖1中π處的局部放大圖。 圖3係本發明理線裝置的較佳實施方式的立體分解 圖0 圖4係圖3所示的元件另一個角度的立體分解圖。 圖5係圖3中所示的元件的立體組合圖。 〇 圖6係圖5中的理線裝置設有第一安裝組件的一端 與一滑執的局部分解圖。 圖7係圖6中所示的元件的組合圖。 圖8係圖5中的理線裝置設有第二安裝組件的一端 與一⑺軌的局部分解圖。 圖9係圖8中所示的元件的組合圖。 13 200950656BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a preferred embodiment of a cable management device of the present invention, a cabinet, a pair of slide rail devices, and a server chassis. Figure 2 is a partial enlarged view of π in Figure 1. Figure 3 is a perspective exploded view of a preferred embodiment of the cable management device of the present invention. Figure 0 Figure 4 is an exploded perspective view of the component of Figure 3 at another angle. Figure 5 is a perspective assembled view of the components shown in Figure 3. Figure 6 is a partially exploded view of the cable management device of Figure 5 with one end of the first mounting assembly and a slipper. Figure 7 is a combined view of the components shown in Figure 6. Figure 8 is a partially exploded view of the cable management device of Figure 5 with one end of the second mounting assembly and a (7) rail. Figure 9 is a combined view of the components shown in Figure 8. 13 200950656
【主要元件符號說明】 機櫃 100 滑執裝置 101 第一執 103 凸栓 104a、104b 頸部 1042a、1042b 頭部 1044a、1044b 第二執 105 卡固孔 106 ' 446 第一支撐臂 10 繞線桿 12、14 極接部 122 、 222 線夹 14 > 24 第二支撐臂 20 伺服器機箱 200 連接件 30 第一安裝組件 40 托架 42、52 樞轉部 422、522 安裝孔 424 引導部 4242 . 固定部 4244 安裝口 426 連接部 428 、 528 擋片 429 操作部 442 、 542 卡固孔 446 連接孔 448 、 548 第二安裝組件 50 穿設孔 523 抵頂片 524 第一彎折部 526 第二彎折部 527 卡片 544 避位孔 546[Main component symbol description] Cabinet 100 Sliding device 101 First implementation 103 Bolts 104a, 104b Necks 1042a, 1042b Heads 1044a, 1044b Second fulcrum 105 Snap holes 106 ' 446 First support arm 10 Winding bar 12 , 14 poles 122 , 222 clips 14 > 24 second support arm 20 server chassis 200 connector 30 first mounting assembly 40 brackets 42, 52 pivoting portions 422, 522 mounting holes 424 guiding portions 4242 . Portion 4244 mounting port 426 connecting portion 428, 528 blocking piece 429 operating portion 442, 542 fixing hole 446 connecting hole 448, 548 second mounting assembly 50 through hole 523 abutting piece 524 first bending portion 526 second bending 527 card 544 avoidance hole 546