200846150 九、發明說明： 【發明所屬之技術領域】 本發明是有關於一種釘搶，特別是指一種釘槍之護板 調整方法與裝置。 【先前技術】 參閱圖i，以中華民國公告第M25〇773號案的地板釘 u為例，主要包含有一基座u、—針Ei2、一護板13, 及-栓件14。該基座u具有形成在—侧且沿垂直方向排列 凹槽lu。該釘Ει以與該基座u銜接。該護板13 疋/、δ亥基座1 1相互潛人。 &甘 5亥才王件14疋螺穿該護板U且與 Μ 土座U相對應的凹槽111卡合。 釘接-物件時，可配合該護板13穩固定於該物件一表 :、且田》亥物件厚、薄不一時，使用者可鬆釋該栓件Μ， =!基座11上、下滑移該護板13至預定高度後，再旋緊 吏該護板13獲得定位。藉此 予又凋產5亥基座u相對該物件的擊釘深度。 检件Hi?板13的高度時，必須反覆旋緊或旋鬆該 且該護板u _ 便’而會影響調整時的順暢性， 土座1間僅依靠該栓件14做單點的迫緊 用性。很谷易在繫釘時有跳脫或移位的情形，而不具有實 【發明内容】 因此，本發明之目的’即在提供 定位穩固的釘搶之護板調整方法與裝置，使心作間易且 5 200846150 於是，該釘槍具有一基座，及設置在該基座一端面的 -護板’本發明-護板調整方法包含下列步驟：步驟】.使 該護板受-回復力作用，恆保持與該基座_第_高度 合。步驟2:使該護板受-外力作用，在不脫離該基座的情 形下，形成可自由移動的游離狀態。步驟3:移除該外力， 使該護板復又受該回復力作用，恒保持與該古 度面對合。 弟一阿 本發明-種針槍之護板調整裝置，包含：一基座、一 連結組。該基座具有形成在一底面的至少一第一 南度面與至少一篦-古危r 产面… 該第一高度面是與該第二高 度度落差。該護板具有形成在一頂面的至少 -"接面。該連結組是連結該護板與該基座·，使該護 板^保持與該基座貼近，且在不脫離該基座 除後，以今第科姑 離狀悲，而能在該外力移 第針接而與該基座第—高度面對合，及以該 弟對接面與該基座第二高度面對合。 提昇調整二板:該基座形成游離狀態， ^對合定位，可加基錢是以面與面的 【實施方式】 有關本發明> #、+、π u 以下配人U 迷及其他技術内容、特點與功效，在 楚的下=參考圖式之數較佳實施例的詳細說明中，將可清 本發明 的一第一較佳實 參閱圖2、圖： 6 200846150 施例是與-地板搶（圖未示）的—釘g 2銜接。該護板調整裝 置包含一基座3、一護板4及一連結組5。 该基座3具有形成在一底面的預定數量個第一高度面 31·與預定數量個第二高产面32,及 同度面32，及形成在該底面的預定數 量個卡合部361。該等第—、第二高度面η、】是沿一直 向彼此相鄰而交錯排列在該底面且鄰近二邊侧。且該 等第二高度面32是耸篦一令洛二 、 疋一这寺弟同度面31形成有一高度落 差hi(如圖4)。該等卡人邱^户士 〜 卞口邛36在本較佳貫施例分別是一插 子L 。 m反4具有形成在一頂面的預定數量個第一對接面 41與預定數量個第二對接面42、相對該等卡合部361形成 在該頂面的數對合冑461，及形成在二侧面的數凹部47。 該等第一、第二對接面41、42是 疋彳〇罝線方向彼此相鄰而 交錯排列在二邊側。且該等第二對接面42是與該等 接面41形成有一高度落差h2。該高度差 二 基座的高度落差hi。該等胃入％ 疋、’ 5於该 哀4對合部46在本較佳實施例分別是 一凸柱，且可滑移地與該卡合部36對合。 該連結組5是連結該護板4與該基座3 1 一栓扣及—彈性元件53。該栓件51=一 = 該護板4與該基座3,並具有與該護板4卡合的、一 第一端部511，及反向於該第一端部511 的一第二端部512。該栓 ，太 7 螺合段 3 + # 52在本較佳實施例為一 是與該栓件51第二端邱總人 ”目 鲕邛512螺合。該彈性元件53是理錶 該栓件51且容置在爷其汴 衣、、凡 1在錢座3與該栓扣52 ，可藉由本身 200846150 的回復力推頂該栓件51牵引該護板4恆保持與該基座3對 合。 本發明第一較佳實施例包含下列步驟： 步驟1 ·翏閱圖4，該護板4受該彈性元件53的回復 :作用，怪保持以該等第一對接面41分別與該基座3第一 又面1對σ。由於該護板4與該基座3的間距為hl+h2 此忒破板4是相對該基座3位於較低的位置，可適 用於釘接較薄的物件。 ㈣2·‘參„ 5’由使用者握持該護板*的凹部⑺ 受I:軸線：向對該護板4旋予-拉力，使該護板4 =」用’帶動該等對合部461滑脫該等卡合部361， 並連動该检件51 ^ j < 〇 * nr7 /、μ拴扣52克服該彈性元件53的彈力向 立私’在不脫離該基座3 自由轉動的游離狀能後：、：，吏該基座3形成可 度。 〜 向或逆向旋轉該護板4約180 步驟3 :參閱圖6，蒋除緯k 彈性A# π μ 矛…χ外力，使該護板4復又受該 =件:的回復力作用’_該等第二對接面42、 分別與該基座3第-高度面3卜第二高 Γ因此，；；由於該護板4與該基座3的間距w〇 因此，該護板4是相對兮其产， 用於釘接較厚的物件。〜位於較高的位置，可適 參閱圖7、圖8及圖9， 其與該第—較佳實施心疋本、明-第二較佳實施例’ :…鼽例大致相同’不同處在於: _座3更具有形成在該第—高度面爿的數卡合部 8 200846150 362 〇 對接面41且可與該 該護板4更具有相對形成在該第 荨卡合部362插合的數對合部々Μ。 54。該板件54是與該拴扣 512延伸至顯露在該基座3 該連結組5更具有一板件 ‘52固結而由該栓件51第二端部 外0200846150 IX. Description of the Invention: [Technical Field] The present invention relates to a nail grab, and more particularly to a method and apparatus for adjusting a guard of a nail gun. [Prior Art] Referring to Figure i, the floor nail u of the Republic of China Announcement No. M25〇773 is taken as an example, and mainly includes a base u, a needle Ei2, a shield 13, and a bolt 14. The susceptor u has grooves 55 formed on the side and arranged in the vertical direction. The staple is connected to the base u. The shield 13 疋 /, δ 基座 pedestal 1 1 are mutually submerged. & 甘 亥 才 件 件 件 疋 疋 疋 穿 穿 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 When the nail is attached to the object, the guard 13 can be stably fixed to the watch: when the object is thick and thin, the user can loosen the plug, =! the base 11 is up and down After the shield 13 is slid to a predetermined height, the shield 13 is screwed to obtain the positioning. In this way, the nailing depth of the object is also increased. When checking the height of the Hi? plate 13, it is necessary to repeatedly tighten or unscrew the cover and the shield u _ will be able to affect the smoothness of the adjustment. The earth seat 1 relies only on the bolt 14 to make a single point. Tightness. Very easy to jump or shift when nailing, but not practical [invention] Therefore, the object of the present invention is to provide a method and device for adjusting the positioning of the nail to secure the nail.易易和5 200846150 Thus, the nail gun has a base, and a guard plate disposed on one end of the base. The present invention-guard adjustment method comprises the following steps: step: subjecting the shield to a restoring force The function remains constant with the pedestal _ _ height. Step 2: The shield is subjected to an external force to form a freely movable free state without departing from the base. Step 3: Remove the external force, so that the shield is again subjected to the restoring force, and always keeps facing the ancient face. The invention relates to a protective plate adjusting device for a needle gun, comprising: a base and a connecting group. The base has at least a first south face formed on a bottom surface and at least one 篦-古危r producing surface. The first height face is a difference from the second height. The shield has at least a " junction formed on a top surface. The connecting group is connected to the guard plate and the base, so that the guard plate is kept close to the base, and after being removed from the base, the present detachment can be used in this external force. The first stitch is coupled to the first height of the base, and the second mating surface of the base faces the second height of the base. Lifting and adjusting the second board: the pedestal forms a free state, and the aligning position can be added to the surface and the surface. [Embodiment] Related to the invention>#,+,π u The following U-fan and other technologies Contents, features and effects, in the detailed description of the preferred embodiment of the present invention, reference will be made to the first preferred embodiment of the present invention. Referring to Figure 2, Figure: 6 200846150 The example is - The floor grab (not shown) - the nail g 2 is connected. The guard adjusting device comprises a base 3, a guard 4 and a joint group 5. The base 3 has a predetermined number of first height faces 31 and a predetermined number of second high faces 32, and a same face 32 formed on a bottom surface, and a predetermined number of engaging portions 361 formed on the bottom face. The first and second height faces η, are adjacent to each other and staggered on the bottom surface and adjacent to the two sides. And the second height surface 32 is formed by a towering height, and the same surface 31 of the temple is formed with a height difference hi (Fig. 4). The cardholders, Mr. Qiu, who are in the preferred embodiment, are a plug L. The m-reverse 4 has a predetermined number of first abutting faces 41 formed on a top surface and a predetermined number of second abutting faces 42 , a plurality of pairs 胄 461 formed on the top face relative to the engaging portions 361, and formed on The number of recesses 47 on the two sides. The first and second mating faces 41, 42 are alternately arranged on the two sides in the direction in which the turns are adjacent to each other. And the second abutting faces 42 are formed with the height difference h2 of the connecting faces 41. The height difference is the height drop of the base. The stomach inflows ’, 55 in the plethora 4 merging portion 46 are respectively a stud in the preferred embodiment, and are slidably engaged with the engaging portion 36. The connecting group 5 is a bolt and an elastic member 53 that connects the shield 4 and the base 3 1 . The bolt 51=1=the guard plate 4 and the base 3, and has a first end portion 511 engaged with the shield plate 4 and a second end opposite to the first end portion 511 Part 512. The bolt, the 7-screw section 3 + #52 is in the preferred embodiment, and is screwed to the second end of the bolt 51. The elastic member 53 is the same as the bolt. 51 and accommodated in the sash, the squat 1 and the shackle 52, the shackle 51 can be pushed by the restoring force of its own 200846150 to pull the guard 4 and keep the pair 3 The first preferred embodiment of the present invention comprises the following steps: Step 1 • Referring to FIG. 4, the shield 4 is subjected to the return of the elastic member 53 to function, and the first mating surface 41 and the base are respectively held. The first side of the seat 3 is opposite to the σ. Since the distance between the shield 4 and the base 3 is hl+h2, the smashing plate 4 is located at a lower position relative to the base 3, and is suitable for thinning of the nail. (4) 2·' „ „ 5' The recess (7) of the guard* held by the user is subjected to I: axis: a pre-tension is applied to the guard 4, so that the guard 4 = "uses" The engaging portion 461 is slid off the engaging portions 361, and the detecting member 51 ^ j < 〇 * nr7 /, the μ 拴 52 is overlaid against the elastic force of the elastic member 53 without leaving the pedestal 3 Free rotation After the energy:, :, 吏 the pedestal 3 forms a degree. ~ Rotate the guard plate 4 to or reversely. Step 3: Refer to Figure 6. The viscous k elastic A# π μ spear... external force causes the guard plate 4 to be subjected to the restoring force of the = member: Waiting for the second abutting surface 42, respectively, with the second height of the base-height surface 3 of the base 3; therefore; due to the distance w between the shield 4 and the base 3, the shield 4 is relatively It is used to nail thicker objects. ~ is located at a higher position, and can be referred to FIG. 7, FIG. 8 and FIG. 9, which are substantially the same as the first preferred embodiment, the second preferred embodiment of the present invention. The _ seat 3 further has a number of engaging portions 8 200846150 362 〇 the abutting surface 41 formed on the first-height surface 且, and the number of the yokes 41 that can be inserted into the second yoke portion 362 with respect to the shield 4 For the joint department. 54. The plate member 54 is extended with the buckle 512 to be exposed on the base 3. The joint group 5 has a plate member ‘52 consolidated by the second end of the bolt member 51.
藉此，使用者只須向下板動該板件54，就可以㈣$ 栓件51與該栓扣52克服該彈性元件53的彈力向下位移 使該護板4在不脫離該基座3的情形下，形成可自由制 的游離狀態。且當該第—對接面41與該第—高度面31到 合時’該等對合部461、462恰能與該等卡合部361、犯 插合’提昇該護板4與該基座3對合的穩固性。 參閱圖10，是太获明一笛—— ^ 疋+ ^ a 弟二較佳貫施例，其與該第一 較佳實施例大致相同，不同處在於·· 該連結組5僅具有連接該基座3與該護板4的一彈性 元件55。 藉此，使用者同樣可以直接拉動該護板4，使該護板4 形成可自由轉動的游離狀態後，調整該護板4與該基座3 的相對位置。 參閱圖11、圖12，是本發明一第四較佳實施例，其與 δ亥第二較佳實施例大致相同，不同處在於： 該基座3具有彼此相鄰且沿一直線方向呈階梯狀排列 的一第一高度面33、一第二高度面34,及一第三高度面35 9 200846150 該護板4具有彼此相鄰且沿一 的一第一ζπ - 直線方向呈階梯狀排列 對接面43、-第二對接面44，及—第三對接面衫 〇 =板：受一外力拉動時，同樣可以克服該彈性元 件^的回设力形成游離狀態，沿直線方向滑動至以該第一 二弟一二弟二對接面43、44、45分別與該基座3的第一、 弟一、弟二南度面33、34、35對合’或滑動至以該第一、 第二對接® 43、44與該基座3第二、第三高度自34、35 對合’藉此，調整該護板4與該基座3的相 。 參閱圖13、圖14，是本發明一第 ^弟五較佳實施例，J:盥 該第一較佳實施例大致相同，不同處在於·· 八/、 該基座3是與-打釘搶6的—釘£ 61銜接，使該讀板 4可依循一出釘座62的出釘方向，調整與該基座3的：對 高度’進而改變該出釘座62 一釘口 621相對一物件的釘接 距離。 參閱圖…及圖16、圖17 ’是本發明一第六較佳實施 例，其與該第二較佳實施例大致相同，不同處在於： 該基座3具有彼此相鄰且環繞—轴線呈階梯狀排列的 二第二高f面371、二第二高度面372、二第三高度面π 、二第四高度面374,及環繞該軸線的數卡合部363。該等 卡合部363在本實施例為一插孔。 、 該護板4具有彼此相鄰且環繞一轴線方向呈階梯狀排 列的二第一對接面481、二第二對接面482、二第三對接面 483、二第四對接面484，及環繞該軸線且相對該等卡合部 10 200846150 363的數對合部463。該等對合部463在本實施例為一凸柱 〇 亥連…a 5的栓扣52在本較佳實施例為—c型扣，是 與該检件51第一端部511、該護板4扣合。該板件54是直 接由2栓件51第二端部512延伸至顯露在該基座3外。 ，當該護板4受—外力拉動，㈣等對合部463沿該等 卡合部363滑移時，同樣可以克服該彈性元件53的回復力 ，成游離狀態’此時’只須環繞該軸線轉動該護板4,使該 護板4以其中任一組以上的第一、第二、第三、第四對接 面如、482、483、484,分別與該基座3其中任一組以上 的弟一、第二、第三、第四高度面371、372、373、374對 合，調整該護板4與該基座3的相對高度。 據上所述可知’本發明之釘搶之護板調整 具有下列優點及功效： …衣置 本發明是在免工具的情形下，藉由簡易的拉動動作、 2動動作、或滑動動作，就可以調整該護板4與該基座3 度，不但使用操作簡易順暢，且該護板4與該基 疋以面對面的方式對合，能提昇對位時的穩固性及 ^施工品f ’使本發明更具有實用性。 以上所述只是本發明之較佳實施例而已 二定棒月實施之範圍，即大凡依本發明申請專利： 明内容所作之簡單的等效變化與修飾，皆仍屬本Thereby, the user only needs to move the plate member 54 downward, so that the (four) plug 51 and the buckle 52 can be displaced downward against the elastic force of the elastic member 53 so that the shield 4 does not leave the base 3. In the case of a free state that is freely formed. And when the first mating surface 41 and the first height surface 31 are joined together, the matching portions 461, 462 can be engaged with the engaging portions 361 to lift the shield 4 and the base. 3 pairs of stability. Referring to FIG. 10, it is a preferred embodiment of a flute, which is substantially the same as the first preferred embodiment, except that the link group 5 only has a connection. A base member 3 and a resilient member 55 of the shield 4. Thereby, the user can also directly pull the shield 4 to adjust the relative position of the shield 4 to the base 3 after the shield 4 is freely rotatable. Referring to FIG. 11 and FIG. 12, a fourth preferred embodiment of the present invention is substantially the same as the second preferred embodiment of the present invention, except that the base 3 has adjacent steps and is stepped in a straight line direction. Arranging a first height surface 33, a second height surface 34, and a third height surface 35 9 200846150 The shield 4 has adjacent one another and arranged in a stepped manner along a first ζπ - linear direction of a mating surface 43. - The second butt joint 44, and the third butt joint 〇 = plate: when pulled by an external force, the detachment force of the elastic member can be overcome to form a free state, and slide in a straight line to the first The second brother, the second brother, the two docking faces 43, 44, 45 respectively mate with the first, the younger brother, the younger brother's south face 33, 34, 35 of the base 3 or slide to the first and second docking ® 43, 44 are aligned with the second and third heights of the base 3 from 34, 35 ' thereby adjusting the phase of the shield 4 and the base 3. Referring to FIG. 13 and FIG. 14 , a preferred embodiment of the present invention is the same as the first preferred embodiment. The difference is that the pedestal 3 is a nail. Grasping the 6-pin 61, so that the reading plate 4 can follow the direction of the nailing of the nail holder 62, and adjust the height of the base 3 to the height of the nail holder 62. The nailing distance of the object. Referring to the drawings, and FIGS. 16 and 17, FIG. 17 is a sixth preferred embodiment of the present invention, which is substantially the same as the second preferred embodiment, except that the base 3 has adjacent to each other and surrounds the axis. Two second high f faces 371, two second height faces 372, two third height faces π, two fourth height faces 374, and a plurality of engaging portions 363 surrounding the axis are arranged in a stepped manner. The engaging portions 363 are a jack in this embodiment. The guard plate 4 has two first mating surfaces 481, two second mating surfaces 482, two third mating surfaces 483, two fourth mating surfaces 484, and surrounding, which are adjacent to each other and arranged in a stepped manner around an axial direction. The axis is opposite the number of mating portions 463 of the engaging portions 10 200846150 363. The latching portion 463 of the matching portion 463 in the present embodiment is a cleat 52 a 5 in the preferred embodiment, and is the first end portion 511 of the detecting member 51. The plate 4 is fastened. The plate member 54 extends directly from the second end portion 512 of the pin member 51 to the outside of the base member 3. When the guard 4 is pulled by the external force, and (4) the mating portion 463 is slid along the engaging portion 363, the restoring force of the elastic member 53 can also be overcome, and the free state 'this time' only needs to surround the Rotating the shield 4 with the axis such that the first, second, third, and fourth abutting faces of the plurality of sets, such as 482, 483, and 484, are respectively associated with any one of the bases 3 The above-mentioned first, second, third, and fourth height faces 371, 372, 373, and 374 are combined to adjust the relative height of the shield 4 and the base 3. According to the above description, the adjustment of the nail plate of the present invention has the following advantages and effects: ... The present invention is in the case of tool-free, by simple pulling action, 2 moving action, or sliding action. The guard plate 4 and the base can be adjusted to a degree of 3 degrees, and the operation is simple and smooth, and the guard plate 4 and the base plate are facing each other in a face-to-face manner, which can improve the stability during the alignment and the construction product The invention is more practical. The above description is only the preferred embodiment of the present invention and has been implemented for a limited period of time, that is, the patent application according to the present invention: the simple equivalent change and modification made by the content of the present invention are still
月專利涵蓋之範圍内。 X 11 200846150 【圖式簡單說明】 •回疋立體圖，說明中華民國公告第M250773號案Within the scope of the monthly patent. X 11 200846150 [Simple description of the diagram] • Review the perspective of the Republic of China Announcement No. M250773
疋一立體分解圖，說明本發明 置的一第一較佳實施例； 一釘槍之護板調整 圖3是該第一較佳實施例的一立體組合圖；BRIEF DESCRIPTION OF THE DRAWINGS FIG. 3 is a perspective view of a first preferred embodiment of the first preferred embodiment; FIG.
回4疋該第一較佳實施例的一剖視圖； =5是該第一較佳實施例呈游離狀態的一剖視圖； 圖6是該第一較佳實施例調整相對高度後的一剖視圖 圖與裝置 7是一立體圖，說明本發明一 的一第二較佳實施例； 釘搶之護板調整方法 2 8是該第二較佳實施例呈游離狀態的一剖視圖； "9疋4第二較佳實施例調整相對高度後的一剖視圖4 is a cross-sectional view of the first preferred embodiment; =5 is a cross-sectional view of the first preferred embodiment in a free state; FIG. 6 is a cross-sectional view of the first preferred embodiment after adjusting the relative height. The device 7 is a perspective view illustrating a second preferred embodiment of the present invention; the method for adjusting the nail grabbing plate 28 is a cross-sectional view of the second preferred embodiment in a free state; "9疋4 second A cross-sectional view of the preferred embodiment after adjusting the relative height
圖 10 曰 、 與穿署 疋剖視圖，說明本發明一釘搶之護板調整方法 、的—第三較佳實施例； 圖 11 θ 、 歲壯g 疋—剖視圖，說明本發明一釘搶之護板調整方法 、衣置的-第四較佳實施例； 圖 \ 2 H ^ ； 疋忒第四較佳實施例調整相對高度後的一剖視圖 圖 13 19 _ , 邀壯$ 疋正視圖，說明本發明一釘搶之護板調整方法 、衣置的-第五較佳實施例； 14 日 «χ 、 疋忒第五較佳貫施例調整相對高度後的一正視圖 12 200846150 圖15是一立體分解圖，說明本發明一釘槍.之護板調整 方法與裝置的一第六較佳實施例； 圖16是該第六較佳實施例的一剖視圖；及 圖17是該第六較佳實施例調整相對高度後的一剖視圖 200846150 【主要元件符號說明】 2 ·.····· …釘匣 3 ....… …基座 31······ …苐 咼度面 32· •… …第二高度面 33·.··" —弟一南度面 34··…· …·第二高度面 35·····， •…第三高度面 361… …·卡合部 362… •…卡合部 363… •…卡合部 371… •…第一高度面 372 ·· •…第二高度面 373… …·第三高度面 374… …·第四高度面 hi "… 问度洛差 4…… •…護板 41 •.… •…第一對接面 42····· •…第二對接面 43···.. …·第一對接面Figure 10 is a cross-sectional view of the 曰 与 穿 , , , , , 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整 调整Board adjustment method, clothing-fourth preferred embodiment; Fig. 2 2 H ^ ; 疋忒The fourth preferred embodiment adjusts the relative height after a cross-sectional view of Fig. 13 19 _ , invites the 疋 $ 疋 front view, illustrating this Invention: a nail grabbing plate adjusting method, a garment-five preferred embodiment; a 14th «χ, 疋忒 fifth preferred embodiment of adjusting a relative height of a front view 12 200846150 Figure 15 is a three-dimensional FIG. 16 is a cross-sectional view of the sixth preferred embodiment; FIG. 17 is a sixth preferred embodiment of the sixth embodiment of the present invention; FIG. Example of a cross-sectional view after adjusting the relative height 200846150 [Explanation of main component symbols] 2 ···················································· ...the second height surface 33·.··" — brother-nan-degree surface 34··...·...·second height surface 35·····, •...the third height surface 361...the engagement portion 362...the...the engagement portion 363...the...the engagement portion 371...the first height surface 372...the second height Face 373...the third height face 374...the fourth height face hi "... asks for the difference 4... •...guard plate 41........the first docking face 42·····•... Second docking surface 43···.. ...·first mating surface
44····•…·第二對接面 45····.··••第三對接面 461 ........對合部 462 ··…··對合部 463 ·······對合部 47 ·········凹部 481 •……第一對接面 482 ·······第二對接面 483 .......第三對接面 484 ······.第四對接面 h2.........高度落差 5 ...........連結組 51..........栓件 511 ··••…第一端部 512 ........第二端部 52·········栓扣 53.......••彈性元件 54·········板件 55..........彈性元件 1444····•...·Second mating surface 45·······••3nd mating surface 461 ........ mating part 462 ······ comming part 463 ·· ····· 对 47 47 ························································ Face 484 ······. Fourth docking surface h2.........height drop 5 ...........link group 51.......... The bolt 511 ··••...the first end portion 512 ........ the second end portion 52·········The buckle 53.......••The elastic member 54 ·········plate 55..........elastic element 14