1310747 九、發明說明： 【發明所屬之技術領域】 本發明係提供-韻車魏鎖之遮蔽裝置，尤指一種設 置於電源鎖外蓋内用以遮蔽輸匙插入口的遮蔽裝置。 【先前技術】 按，在機車電源鎖外蓋與鎖本體之間附設输匙孔舰板 丨係'可提高機車的防盜功能及避免雨水或雜物掉入銳孔内。 如發明人所設計之公告第586559號「附遮蔽機構之機車用鎖 蓋改良」揭示者，其縣鎖本_外表蓋嶋設有一遮 蔽板’該遮蔽板能在遮蔽输匙插入口位置與開放瑜匙插入口 位置之間移動’ g遮蔽板移至遮蔽鑰起插入口的位置後，會 受-卡固件卡掣鎖定，以阻止任何偷竊工具插入餘匙孔來打 開鎖具’又該卡固件係可透過磁性鎖或是遙控器的解鎖動作 • 來控制，使卡固件會響應於該解鎖動作而釋放遮蔽板移_ 匙插入口，以開放输匙插入口供錄匙插入使用，達成操作便 利及遮蔽功能確實等效果者。 於鎖本體與外蓋之間附設遮蔽板來遮蔽鏑匙孔，確實可 阻止非法使用者以不正當工具插入錄匙孔，進而強化機車的 防盜性。此外，藉由遙控器來解除遮蔽板的鎖定，在操作上 係相當便利’亦即’可免除在發動引擎之前需要先使用錄匙 來打開遮蔽板的麻煩。基此，本發明人於今再提出一種使用 5 1310747 便利且可有效強化機車防盜效果的遮蔽裝置。 【發明内容】 緣此，本發明之主要目的在提供一種機車電源鎖之遮蔽 裝置，其可使該遮蔽板的遮蔽操作及解除操作都不需使用到 繪匙’達成操作便利、遮蔽功能確實及結構簡單等效果。 本發明為達上述目的之具體結構及技術手段，係於鎖本 體與外蓋之間具有-遮蔽減—較件，該遮蔽板可在遮蔽 與開放鍮匙孔的二位置之間移動，當該遮蔽板移至遮蔽鑰匙 孔的位置後，會受該鎖定件擋止而鎖定，又該鎖定件係受一 解鎖裝置的控制而可槪觸絲板的縦，在—較佳實施 例中，該解鎖裝置包含可受訊號接收器控制之一電磁開關及 可受該電賴關吸放之可動臂，該接㈣係可接收一相應訊 號產生器所發送之訊號來控制該電磁開關導通與否，使得該 遮蔽板可響應於訊號產生器的解鎖動作而自動移開输匙孔， 達成操作便利及遮蔽功能確實等效果者。 在一實施例中，該鎖定件的一侧設有一結合臂，該結合 #係與該解鎖裝置的可動臂連接，使得該電磁_受訊號產 生器驅動後’會透過該結合臂使鎖定件後退，進而釋放對於 該遮蔽板的卡掣。 在一實施例中，該解鎖裝置係包含可受訊號接收器控制 之馬達及可受該馬達帶動之可動臂，該可動臂與該鎖定件 連接使知該馬達受訊號產生器驅動而拉回該可動臂之後， 1310747 : 該鎖定件會後退並釋放對於遮蔽板的卡掣。 關於本發明之其他目的、優點及特徵，將可由以下較佳 實施例的詳細說明並參照所附圖式來了解。 【實施方式】 有關本發明的構造設計，將經由僅為例子但翻以限制 的實施例並參照所附圖式作進一步說明： 請配合第一圖至第三圖所示，為依據本發明一實施例構 # 成之機車電源鎖，其包括一鎖本體6、裝設於該鎖本體6上 的安裝座2、套在該安裝座2外部的一外蓋i、裝設於該外 蓋1與該安裝座2之間的遮蔽板4、用以定位遮蔽板4於遮 蔽位置的鎖疋件5及裝設在該鎖本體6上之一解鎖裝置3; 其中，該鎖本體6係可安裝於機車7轉向軸附近（如第四圖 所示），在本實施例中，該鎖本體6係一習用圓筒鎖，其頭 部6 0内具有一鎖心61，該鎖心61之中有一鍮匙孔6 2。 • 該安裝座2係一概呈環狀的殼體，其下侧延伸有環狀壁 21’該環狀壁21可套固於該鎖本體6的頭部6〇外侧， ' 且該安裝座2之中央處具有可與該電源鑰匙孔6 2對齊的一 孔口2 3，並在該安裝座2上形成有一凹部22及一鎖定件 容置槽2 8，於該凹部2 2内設有一遮蔽板承放座2 7，該 承放座27用以做為該遮蔽板4的轉動軸線，而該容置槽2 8位於該凹部2 2 一邊侧，並以一缺口 2 81與該凹部2 2 連通；另於該安裝座2之外緣具有一缺槽29。 1310747 該外蓋1係與該安裝座2具有相似的環狀外緣，其套裝 於該安裝座2外部，且在其中央處設有與該電源鑰匙孔6 2 對齊的鑰匙插入口 1 1，並在該外蓋之外表面上可標示〇n、 off等指示開閉操作的文字，又於該外蓋丄周緣之一侧具有一 缺口12，該缺口與該安裝座2外緣的缺槽2 9對應。 該遮蔽板4具有一套接部41及自套接部41一侧延伸 出的遮蓋部4 2，該套接部41底面形成有一凹口 411用 以套裝在該支轴2 7 1上，使該遮蔽板4可絲於該承放座 2 7上（如第二圖所示），該凹口 4 1 1内並套裝一扭力彈簧 4 3用以使遮蔽板4能在承放座2 7上做受有彈力偏壓的轉 動，又該套接部41外侧延伸一可手動撥轉遮蔽板4的操作 部412，該操作部412突伸出缺槽2 9，當撥動該操作 部412，該遮蔽板4之遮蓋部4 2係可移至遮蔽該鑰匙孔 6 2的位置（如第五圖所示）；另，該遮蓋部4 2外侧設有一 概呈勾狀的卡掣端4 21。 該鎖定件5具有可納置於該容置槽28内之本體51， 該本體51後部具有一槽孔511以供套裝一彈簧5 2，該 彈簧5 2後知抵於該容置槽2 8之壁面，使鎖定件5能在容 置槽2 8内前後位移，且該本體前端突伸一擋止部5丄2， 該擋止部512前端概呈圓弧狀並可穿過上述缺口28工， 使得該遮蔽板4之遮蓋部4 2移至遮蔽鑰起孔6 2的位置 1310747 時，可受該擋止部512卡掣定位；在本實施例中，該鎖定 件5的一侧並延伸有一結合臂5 3 ,該結合臂透過一孔口 2 4穿出該安裝座2之底側。 在本實施例中，該解鎖裝置3裝設在該鎖本體6上所設 一安裝部6 3的收納空間6 31内，並由一上蓋6 4蓋合； 該解鎖裝置3包含一電磁開關30(習用結構，内部有未圖 示的激磁線圈）及可受該電磁開關控制之一可動臂3丄；該 1 電磁開關3〇電性連結到一訊號接收器8 2(參閱第四圖）， 該接收器82可接收一相應訊號產生器81所發送之訊號來 控制該電磁開關3 〇導通與否，進而吸放該電磁開關3 〇前 端的可動臂3 1 ;在本實施例中，該可動臂3 1係一L型桿， 其前端具有一内孔311用以和鎖定件5的結合臂5 3連 接’使得該電磁開關3 〇受訊號產生器81驅動後，會吸引 .該可動臂3 1與該鎖定件5後退（如第六圖所示），直到激磁 一解除，並藉由一彈簧3 2的回復力使該可動臂31復位， 在本實施例中，該彈箐3 2係套裝在該可動臂31外部，當 該可動臂31内縮時會壓縮該彈箐32。 第二圖、第三圖中顯示該遮蔽板4受彈簧4 3彈力而處 於設定未遮蔽錄起孔6 2的位置，在此狀態，該输匙孔6 2 可提供鑰匙插入，又該鎖定件5受彈簧5 2前推，使其擋止 部512穿出缺口 2 81。 1310747 本發明的遮蔽操作實施，制手撥動第三圖的操作部4 12使遮敝板4之遮蓋部4 2往遮蔽餘匙孔6 2之方向轉 動，當》i蔽板4在轉動過程中，該遮蓋部4 2外側的卡擎 . 端421將會抵壓鎖定件5的擋止部512後退而通過擋止 部5 1 2 ’接著，藉由郷簧5 2之彈力使軟件5前移復 位’該鎖定件5之檔止部512將會阻擋卡掣端4 2工形成 鲁歡，如第五騎示；當遮蔽板4_定件5定位後，遮蔽 板之遮蓋部4 2位於鑰匙孔6 2上方，因而能阻止非法使用 者用不正當的工具插入鑰匙孔6 2來打開鎖具。 關於本發明之開放遮蔽的操作實施，請參閱第四圖及第 六圖所示，係賴該相應的訊號產生器8丨在許可範圍内發 ㈣號，當接收器8 2接收之後就可驅動該解 ^ 顯關30吸引該可動臂31後縮，一當該可動;= _ 狱件5後退之後，如第七圖所示，該遮蔽板4之卡掣端4 21就會脫_止部5 i 2的卡掣，同時藉由彈簧43之彈 力推械蔽板4朗·三騎示讀態，使稱孔6 2開 放以供鑰匙插入使用。 請參閱第八圖’顯示依據本發明構成的遮蔽裝置第二實 施例（在該實施射和第_實_綱者相同或同等 之構件’將附上對應標號’省略細部結構說明）；其中，該可 供訊號接收器8 2控制作動的解鎖襄置3係包含装在一盒體 1310747 34内的馬達33及可受該馬達控制之-可動臂31，在本 實施例中’該馬達3 3之輸出轴上裝設-第-齒輪3 31， 該第-#輪3 31與裝設在-螺桿3 5—端之第二齒輪3 5 1响合’而該可動臂31的後端與該螺桿3 5的外端結合， 又如上所述’該可動臂3 1的前端雜該就件的結合臂連 接，所以’該螺桿3 5的前進或後退將會帶動該動臂3工與 該鎖疋件5則進或後退。從而，當使用相應的訊號產生器8 1在許可細内發出訊號之後，該解鎖裝置3的馬達3 3將 可驅動該可動臂31與該鎖定件5後退，進而使該鎖定件5 釋放對於遮蔽板4的卡掣’達成可藉由訊號產生器來控制該 遮蔽板4打開錄匙孔6 2的實施效果。 依據本發騎構成的麵裝置，*健構鮮，而且不 需使用鑰匙就可執行遮蔽板的遮蔽與釋放，在使用上既方便 又可#，此外’如果遮蔽板4移向關位置但未被鎖定時， 係可藉由彈簧4 3之彈力使遮蔽板4回復至開位置狀態，因 而使用者不致對於遮蔽板4是否確實閉合造成誤認。 前述是對本發狀触實補觀做·，依本發明的 設計精神是可作多種變_修改實施例，例如，該鎖定件的 結合臂與該解鎖裝置的可動臂不限制為利用套合連接，其它 習用結合技術亦可侧。是以，麟此項技藝人士可做之明 顯替換與修改’仍將併人於本發明所主張的專利範圍内。 1310747 【圖式簡單說明】 第一圖係本發明第一實施例的元件分解圖； 第二圖係第-圖之-局部橫向剖視圖；並顯示遮蔽板未遮蔽 鑰匙孔的狀態； 第二圖係沿第二圖之3-3線所取的剖視圖； 細_顯示本發明之遮蔽裝置安裝於機車上的示意圖； 第五圖係顯示第三圖之遮蔽板移向遮蔽位置的剖視圖； • 第六圖係與第二圖類似之剖視圖，並顯示遮蔽板在遮蔽位置 且可動臂與該鎖定件後退之作動示意圖； 第七圖係沿第六圖之7-7線所取的剖示圖；及 第人圖係本發明第二實施例，並_與第三圖類似之剖視圖。 【主要元件符號說明】 1、外蓋 11、播入口 1 2、缺口 2、安裝座 2 1、環狀壁 2 2、凹部 2 3、2 4、孔口 2 7、承放座 2 8、容置槽 2 81、缺口 2 9、缺槽 3、解鎖裴置 3 0、電磁開關 31、可動臂 3 1 1、内孔 3 2、彈簧 3 3、馬達 3 3 1、齒輪 3 4、盒體 3 5、螺桿 12 1310747 3 51、齒輪 41、套接部 412、操作部 421、卡掣端 5、鎖定件 511、槽孔 5 2、彈簧 • 6、鎖本體 6 2、鑰匙孔 6 31、收納空間 7、機車 8 2、接收器 4、遮蔽板 411、凹口 4 2、遮蔽部 4 3、彈簧 5 1、本體 512、擋止部 5 3、結合臂 6 1、鎖心 6 3、安裝部 6 4、上蓋 81、訊號產生器1310747 IX. Description of the Invention: [Technical Field of the Invention] The present invention provides a shielding device for a rhyme-car lock, and more particularly, a shielding device disposed in a power lock cover for shielding a key insertion opening. [Prior Art] Press to connect the keyhole shipboard between the locomotive power lock cover and the lock body. The ' system can improve the anti-theft function of the locomotive and prevent rain or debris from falling into the sharp hole. As disclosed by the inventor, Announcement No. 586559 "Improvement of locomotive lock cover with shield mechanism", the county lock _ outer cover 嶋 is provided with a shielding plate which can be opened and opened at the position of the shielding key insertion opening After moving between the positions of the spoon insertion port, the g-shield plate is moved to the position of the insertion port of the occlusion key, and is locked by the -card firmware card to prevent any theft tool from being inserted into the keyhole to open the lock. It can be controlled by the magnetic lock or the unlocking action of the remote control, so that the card fastener can release the shielding plate shifting key opening in response to the unlocking action, and open the key insertion opening for the recording key to be inserted and used to achieve convenient operation and shielding. The function does have an effect. A shielding plate is disposed between the lock body and the outer cover to shield the keyhole, and the illegal user can be prevented from being inserted into the keyhole by the improper tool, thereby enhancing the anti-theft property of the locomotive. In addition, the unlocking of the shield by the remote control is quite convenient in operation 'that is,' eliminating the need to use the key to open the shield before starting the engine. Based on this, the present inventors have now proposed a shielding device that is convenient to use 5 1310747 and can effectively enhance the anti-theft effect of the locomotive. SUMMARY OF THE INVENTION Accordingly, the main object of the present invention is to provide a shielding device for a power lock of a locomotive, which can make the shielding operation and the releasing operation of the shielding plate unnecessary to use the drawing key to achieve convenient operation and the shielding function is true. Simple structure and other effects. The specific structure and technical means for achieving the above object are: between the lock body and the outer cover, there is a shielding-reducing member, and the shielding plate can move between two positions of shielding and opening the keyhole. After the shielding plate is moved to the position of the shielding key hole, it is locked by the locking member, and the locking member is controlled by an unlocking device to contact the wire of the wire plate. In the preferred embodiment, the shielding plate is The unlocking device comprises an electromagnetic switch that can be controlled by the signal receiver and a movable arm that can be sucked and discharged by the electric power. The connection (4) can receive a signal sent by a corresponding signal generator to control whether the electromagnetic switch is turned on or not. The shielding plate can automatically remove the keyhole in response to the unlocking action of the signal generator, thereby achieving the convenience of operation and the effect of the shielding function. In one embodiment, one side of the locking member is provided with a coupling arm, and the coupling # is connected to the movable arm of the unlocking device, so that the electromagnetic_receiving signal generator drives the locking member to retreat through the coupling arm. And releasing the click on the shield. In one embodiment, the unlocking device includes a motor controllable by the signal receiver and a movable arm that can be driven by the motor, the movable arm being coupled to the locking member to drive the motor to be driven back by the signal generator After the movable arm, 1310747 : The lock will retreat and release the jam for the shield. Other objects, advantages and features of the invention will be apparent from the description of the appended claims appended claims. [Embodiment] The structural design of the present invention will be further described by way of example only, but by way of limitation, with reference to the accompanying drawings. FIG. The locomotive power lock of the locomotive includes a lock body 6, a mounting seat 2 mounted on the lock body 6, an outer cover i sleeved on the outside of the mount 2, and the outer cover 1 a shielding plate 4 between the mounting seat 2, a locking member 5 for positioning the shielding plate 4 in the shielding position, and an unlocking device 3 mounted on the locking body 6; wherein the locking body 6 is mountable In the vicinity of the steering shaft of the locomotive 7 (as shown in the fourth figure), in the present embodiment, the lock body 6 is a conventional cylinder lock, and has a lock core 61 in the head 60, and the lock core 61 is included. There is a keyhole 6 2 . • The mount 2 is an annular housing having an annular wall 21 ′ on the lower side thereof. The annular wall 21 can be sleeved on the outside of the head 6 〇 of the lock body 6 , and the mount 2 An opening 23 is defined in the center of the power key hole 62, and a recess 22 and a locking member receiving groove 2 are formed in the mounting base 2, and a shielding is disposed in the recess 22. The receiving seat 27 is used as the rotation axis of the shielding plate 4, and the receiving groove 28 is located on one side of the concave portion 2 2 and has a notch 2 81 and the concave portion 2 2 Connected; another outer edge of the mount 2 has a notch 29. 1310747 The outer cover 1 has a similar annular outer edge with the mounting seat 2, and is disposed outside the mounting base 2, and is provided at the center thereof with a key insertion opening 1 1 aligned with the power keyhole 6 2 . And a surface indicating the opening and closing operation, such as 〇n, off, etc., on the outer surface of the outer cover, and a notch 12 on one side of the outer periphery of the outer cover, the notch and the notch 2 of the outer edge of the mounting seat 2 9 corresponds. The shielding plate 4 has a plurality of connecting portions 41 and a covering portion 42 extending from a side of the socket portion 41. The bottom surface of the sleeve portion 41 is formed with a notch 411 for being fitted on the supporting shaft 271. The shielding plate 4 can be threaded on the receiving seat 27 (as shown in the second figure), and a torsion spring 43 is disposed in the notch 4 1 1 for enabling the shielding plate 4 to be in the receiving seat 27. The upper portion of the sleeve portion 41 extends an operation portion 412 of the shielding plate 4, and the operation portion 412 protrudes from the notch 2, and when the operation portion 412 is toggled, The cover portion 42 of the shielding plate 4 can be moved to a position for shielding the key hole 62 (as shown in FIG. 5); and the outer side of the cover portion 42 is provided with a hook-shaped end 4 21 having a hook shape. . The locking member 5 has a body 51 that can be received in the accommodating groove 28. The rear portion of the body 51 has a slot 511 for receiving a spring 52. The spring 52 is responsive to the accommodating groove 28. The front end of the main body is displaced in the accommodating groove 28, and the front end of the main body protrudes from the front end of the main body, and the front end of the main body is arc-shaped and can pass through the notch 28 When the cover portion 4 2 of the shielding plate 4 is moved to the position 1310747 of the shielding key opening 6 2 , the blocking portion 512 can be positioned by the locking portion 512; in the embodiment, the locking member 5 is extended on one side. There is a coupling arm 5 3 which passes through a hole 24 to pass out the bottom side of the mounting seat 2. In the present embodiment, the unlocking device 3 is disposed in the storage space 6 31 of the mounting portion 6 3 of the lock body 6 and is covered by an upper cover 64; the unlocking device 3 includes an electromagnetic switch 30. (the conventional structure has an exciting coil (not shown) inside) and a movable arm 3丄 which can be controlled by the electromagnetic switch; the electromagnetic switch 3 is electrically connected to a signal receiver 8 2 (refer to the fourth figure), The receiver 82 can receive the signal sent by the corresponding signal generator 81 to control whether the electromagnetic switch 3 is turned on or off, thereby sucking and releasing the movable arm 3 1 of the front end of the electromagnetic switch 3; in this embodiment, the movable The arm 3 1 is an L-shaped rod having an inner hole 311 at the front end for connecting with the coupling arm 53 of the locking member 5 so that the electromagnetic switch 3 is driven by the signal generator 81 to attract the movable arm 3 1 and the locking member 5 is retracted (as shown in the sixth figure) until the excitation is released, and the movable arm 31 is reset by the restoring force of a spring 3 2 . In the embodiment, the magazine 3 2 is The sleeve is external to the movable arm 31, and the magazine 32 is compressed when the movable arm 31 is retracted. The second and third figures show that the shielding plate 4 is in a position to set the unmasked recording hole 6 2 by the elastic force of the spring 4 3 . In this state, the keyhole 6 2 can provide a key insertion, and the locking member 5 is pushed forward by the spring 5 2 so that the stopper portion 512 passes through the notch 2 81. 1310747 The shielding operation of the present invention is carried out, and the operating portion 4 12 of the third drawing is rotated by the hand to move the covering portion 4 2 of the concealing plate 4 in the direction of the shielding keyhole 62, when the "i shielding plate 4" is rotating. The latching end 421 on the outer side of the covering portion 4 2 will press the blocking portion 512 of the locking member 5 to retreat through the blocking portion 5 1 2 ', and then the software 5 is used by the elastic force of the spring 5 2 The resetting portion 512 of the locking member 5 will block the latching end 4 to form Lu Hua, such as the fifth riding; when the shielding plate 4_the positioning member 5 is positioned, the shielding portion 42 of the shielding panel is located The keyhole 6 2 is above, thus preventing an illegal user from inserting the keyhole 6 2 with an improper tool to open the lock. Regarding the operation implementation of the open mask of the present invention, please refer to the fourth and sixth figures, and the corresponding signal generator 8 is issued within the permitted range, and can be driven after receiving the receiver 82. The solution ^ 30 attracts the movable arm 31 to retract, and once the movable; = _ the prison member 5 retreats, as shown in the seventh figure, the locking end 4 of the shielding plate 4 will be removed. 5 i 2 of the cassette, while at the same time by the spring of the spring 43 to push the shield 4 Lang · three riding display state, so that the hole 62 is open for the key to insert. Please refer to the eighth figure' showing a second embodiment of the shielding device constructed according to the present invention (the same or equivalent components will be attached with the corresponding reference numerals in the embodiment of the invention). The unlocking device 3 for controlling the actuating signal receiver 8 2 includes a motor 33 mounted in a casing 1310747 34 and a movable arm 31 controllable by the motor. In the present embodiment, the motor 3 3 The output shaft is provided with a first-gear 3 31, and the first-#3 31 is coupled to the second gear 351 mounted at the end of the screw-35, and the rear end of the movable arm 31 is The outer end of the screw 35 is combined, and as described above, the front end of the movable arm 31 is connected to the joint arm of the member, so that the advancement or retreat of the screw 35 will drive the arm 3 and the lock. The piece 5 is moved in or out. Therefore, after the corresponding signal generator 8 1 sends a signal within the permission thinner, the motor 3 3 of the unlocking device 3 can drive the movable arm 31 and the locking member 5 to retreat, thereby releasing the locking member 5 for shielding. The latching of the board 4 achieves the effect of controlling the shutter 4 to open the keyhole 6 2 by means of a signal generator. According to the surface device of the hair riding device, the structure is fresh and the shielding and release of the shielding plate can be performed without using a key, which is convenient and can be used in use, and in addition, if the shielding plate 4 is moved to the closed position, When it is locked, the shielding plate 4 can be returned to the open position by the elastic force of the spring 43, so that the user does not cause misidentification whether the shielding plate 4 is actually closed. The foregoing is a matter of making a touch to the present invention. According to the design spirit of the present invention, a plurality of modifications can be made. For example, the binding arm of the locking member and the movable arm of the unlocking device are not limited to being connected by a sleeve. Other conventional combination techniques can also be used. Therefore, it is obvious that the replacement and modification of the skilled person can still be within the scope of the patent claimed by the present invention. 1310747 [Simplified illustration of the drawings] The first drawing is an exploded view of the first embodiment of the present invention; the second drawing is a partial transverse sectional view of the first drawing; and the state in which the shielding plate is not shielded from the keyhole; A cross-sectional view taken along line 3-3 of the second figure; a schematic view showing the shielding device of the present invention mounted on the locomotive; and a fifth drawing showing a sectional view of the shielding plate of the third drawing moving toward the shielding position; The figure is a cross-sectional view similar to the second figure, and shows a schematic diagram of the operation of the shielding plate in the shielding position and the movable arm and the locking member retreat; the seventh drawing is a sectional view taken along line 7-7 of the sixth figure; The first figure is a second embodiment of the present invention, and is a cross-sectional view similar to the third figure. [Description of main component symbols] 1. Cover 11, broadcast inlet 1, 2 notch 2, mount 2 1, annular wall 2, recess 2 3, 2 4, orifice 2 7, socket 2 8 Groove 2 81, notch 2 9 , notch 3 , unlocking device 30 , electromagnetic switch 31 , movable arm 3 1 1 , inner hole 3 2 , spring 3 3 , motor 3 3 1 , gear 3 4 , case 3 5, the screw 12 1310747 3 51, the gear 41, the socket portion 412, the operating portion 421, the latching end 5, the locking member 511, the slot 5, the spring, 6, the lock body 6, the keyhole 6 31, the storage space 7. Locomotive 8 2. Receiver 4, shielding plate 411, notch 4, shielding portion 4 3, spring 5 1 , body 512, stopper portion 5 3, coupling arm 6 1 , lock core 63, mounting portion 6 4, the upper cover 81, the signal generator
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