1320733 九、發明說明： 【發明所屬之技術領域】 本發明係有關一種可彎曲角度之手工具，特別係指一種調整 彎取角度時，可防止頭部垂落之之手工具者。 【先前技術】 按，一般俗稱F柄扳手之可彎取角度扳手，由於柄部與頭部 採活動樞設嚙合關係，故可透過樞接處之調整結構調整頭部與柄 籲部之相對角度位置’以符合目前作業環境最佳工作需求，而深受 消費者喜愛。 然而’如第US6148698號、第US6848344 號美國專利案所揭之f折扳手’主要健橫向貫穿柄部之調整桿 按下後’ τ調整桿表面之棘齒與頭部驅動頭兩彳狀齒部脫離，達 到頭部驅動頭角度赃目的；此鋪由橫向按細整桿，令調整 桿位移時帶動棘齒與頭部驅動頭脫離餘之設計結構，容易產生 喃合狀態下之頭部驅動頭與棘齒完全脫離，造成頭部驅動頭相對 柄部產生瞬間下垂的狀況，以致讓使用者有不安的感覺，且頭部 與柄部產生碰撞，易造成表面結構受損。 =US7 1 3 1 3 5 6之美國專利案，係改善如上述 頭：： 前端増設有，及卡固片，供調整桿與 =堪動奴齒部麟時，财^支料部购頭 鳴落，惟此結構需另増設額外之零件，不但造成 亦使組裝之難度提高。 為此，又有如中華民國第m266138及第M24856 4所不，兩件專利均為相類似之結構，所以以第m2 6 6 ^ w 為例’該案中主要於裝設第二嵌接裳置之第一孔内先裝入第一彈 性裝置’使第二嵌接裝置裝人接觸第—彈性裝置時，受到第一彈 性裝置彈力影響而被向外推動，並且使第二碰裝置另一尖端與 頭部之第-嵌接裝置齡而無法轉動，因此於柄部之前端表面第 :孔内叹有按la裝置’該按钮裝置底面另設兩容置孔，可供兩彈 簧及兩空心舰置’以及於兩容置孔之間穿設—可㈣二嵌接裝 置穿過之孔洞，該孔洞下方部分，則為—供第二嵌接裝置之卡: 槽互相貼靠之第-嵌合部’並且第二嵌接裝置與按崎置之第 、第二孔係呈相通狀’將按絲置之壓下則可使第二嵌接裝置 脱離按紐裝置之第-嵌合·定’使聊能夠上下擺動而調整角 度，然而此結構所_之按钮裝置其㈣需設有—孔洞該孔洞 而供第二嵌接裝置穿設，所以會大幅增加按鈕裝置之面積，如欲 製造較小之扳手時，卻又容易造成按鈕裝置容易因體積過大而有 所限制，且容易造成破裂之情形，實有改良之必要。 【發明内容】 本發明之主要目的’係提供一種設計構造簡易、容易組裝， 釋放、鎖定之功能佳，可容易被鎖定在任一預設角度之手工具。 本發明又另一目的，乃提供一種按壓按鈕裝置時，可防止頭 部瞬間垂落之狀況發生。 ，發明達到上述預期目標之可f曲角度之手工具，主要包括 及—頭部，軸部—端設有-連接端，且圍構-容接槽， 奘第孔槽及第一孔槽，供置入有彈性裝置、頂雜及按紅 f置等’其中該鮮體1設有第-關面及第-耻面，可供 目對應於按鈕裝置之第二_面、第二擋止面相限位抵靠，並又 可藉由按钮裝置的活動空間面與頂掣體的第—彈性裝置，使頂孝 體自由跳動’此藉由按轉置來控制其頂掣體動作，一者可達到 調整頭部彎取角度’使不致_垂落，二者又可鎖定麟角度者。 【實施方式】 本發明係有關-種可f曲角度之手工具，包括有三種較佳實 施例’其中第-實施例如第—圖至第七圖所揭示，請參照下列敘 述： 本發明係主要利用一柄部1〇，該預設長度之柄部1〇其中一端 概略形成一擴大狀之連接端11，該連接端i1為一凹形狀且凹 陷一預設深度之容接槽111’該容接槽i i i之左右兩端形成 一相對稱之樞耳112，位於兩樞耳112之適當處，軸向開設 一貫穿容接槽111之樞接孔113，且容接槽111底面延柄 部10之長度方向設有一第一孔槽114，該第一孔槽114預 設處恰與連接端11軸向穿設之之第二孔槽115垂直相互連 通，並且該第一孔槽114與第二孔槽1 15内皆設有第一彈性 〜u/33 裴置A及第二彈性裝置b; 其次該第-孔m ；L 4内除了綠第1性裝置料，另設 有-長條狀之頂掣體2 〇，該頂掣體2 〇相異於第一彈性裝置六 之端部概略形成一齒狀之第一嵌接端2 i，而相對於第_彈性裝 置A之端部則形成一第一限制面2 2及一第一擋止面2 3，另於 第-擋止面2 3的下方，設有-弧導面2 5，如第-之二圖所示， 而於第二孔槽115内亦除了設置第二彈性裝置B外，另設有一 概略呈圓柱狀之按鈕裝置3 0，該按鈕装置30約中央表面預設 處，凹設有一與頂掣體2 〇之第一限制面2 2互相對應之第二限 制面31，該第二限制面31前端相鄰一側，另凹設有—活動* 間面3 2，此活動空間面3 2，概略與第二限制面3 呈垂直狀 態，於活動空間面3 2之下方底部，並凸出形成有一第二擋止面 3 3，且該第二擋止面3 3與活動空間面3 2之連合端面，係呈 —圓弧狀之導引面3 4，使其與頂掣體2 〇之弧導面2 5，兩者 容易互相導引’而該第二擂止面3 3可供頂掣體2 〇之第一擋止 面2 3抵靠鎖定’另活動空間面3 2則可供頂掣體.2 〇往後内 縮，來回移動之空間； 而該柄部10之容接槽111可供一頭部4 〇***，該頭部 40—端為驅動端41(圖式所揭為一開口式驅動端，該開口式 驅動端可為一開口扳手頭、一活動扳手頭，另可依不同需求亦可 為一封閉式驅動端’如第十五、十六圖所示，可為梅花頭、棘輪 1320733 梅花頭或套筒扳手頭等等）’另-端為-連接端4 2，該頭部4 0 之連接端4 2與柄部1 0之連接端1 1相互龄且呈-相對㈣ 狀態:該連接端4 2為-凸形狀且該凸形狀之連接端4 2之端部 表面核設有第二嵌接端43，該第二嵌接端43具有複數齒，該 複數齒與朗可為—V型狀麵—U型狀，可供卿體2 〇之第 嵌接端21唾合’其連接端4 2側面設有可供與抱接孔丄丄3 相連通之胃穿孔4 4，可供-插紅插人並與連接端1 1之插接 孔113相固設，而使頭部4 〇可相對於柄部丄〇自由響取、調 整角度’藉以提供彎取、調整後之頭部4 〇，作定位鎖定後之扳 轉施力者。 再明參照第―、二、四圖所示，常態下該可彎曲角度之手工 具未調整角度且肢在某—角度狀態時，係藉由第—限制面2 2 與第二限制面3 1互相限位，物止頂掣體2 ◦與按轉置3 〇 自由旋轉’而造成無法操作之情形，另由於頂掣體2〇係受第一 彈性裝置A之彈力往頭部4 〇方向推抵，迫使頂掣體2 〇之第一 _端2 1係喃合頭部4 〇之第二嵌接端4 3，且按紐裝置3 〇 底部受第二彈性裝置B之彈力向上推抵，使按紐裝置3◦之第二 擋止面3 3係與頂掣體2 〇之第一擋止面2 3互相抵靠，所以頂 擎體2 0係無法向後移動，如此可令頭部4 〇的角度被鎖定，不 致在施力扳動時，造成因頭部4⑽角度改變，發生手晚碰觸機 件受傷的情況； 9 1320733 反之如第五、六、七圖所示，欲調整、彎取角度時，係將按 钮裝置3 0按下，而使第一擋止面2 3脫離第二檔止面3 3抵 罪’此時第一擋止面2 3與活動空間面3 2之間形成一空隙，另 因頂掣體2 0受第-彈性裝置轉力抵頂，使頂掣體2 〇之第一 嵌接端21仍與驅動端41之第二嵌接端4 3相嚙合，所以可防 止驅動端41瞬間垂落之狀況發生，而若將頭部4 〇作順、逆時 鐘方向轉動時’該頭部4 G之第二嵌接端4 3，會產生一水平分 力’來抵壓第-嵌接端21 ’迫使頂掣體2 〇向後内縮移動，使 頂掌體2 0之第-檔止面2 3可自由活動於活動空間面3 2之空 隙間；當放開触裝置3 0時，祕健絲置3Q受到第二彈 性裝置B推力而向上，使第二擋止面3 3沿著導引面3 4向上移 動’而抵祕第-擋止面2 3，再次令頭部4 0受到較，無法 轉動其角度。1320733 IX. Description of the Invention: [Technical Field] The present invention relates to a hand tool capable of bending angles, and more particularly to a hand tool for preventing a head from falling when adjusting a bending angle. [Prior Art] According to the bendable angle wrench commonly known as the F-handle wrench, the relative angle between the head and the handle can be adjusted through the adjustment structure of the pivot joint due to the engagement relationship between the handle and the head. The location 'is in line with the best working needs of the current working environment, and is very popular among consumers. However, the f-wrench wrench disclosed in the U.S. Patent No. 6, 148, 698 and U.S. Patent No. 6,684,344, the main traverse of the shank of the shank and the head of the head drive head Disengaged, reaching the head drive head angle; the shop is pressed by the thin rod in the lateral direction, so that the adjustment rod is displaced to drive the ratchet teeth and the head drive head away from the remaining design structure, and the head drive head in the tempered state is easily generated. Completely detached from the ratchet, causing the head driving head to sag instantaneously with respect to the shank, so that the user feels uneasy, and the head and the shank collide, which is liable to cause damage to the surface structure. =US7 1 3 1 3 5 6 The US patent case is improved as the above head:: The front end is provided with a locking piece, and the adjustment rod and the slaving tooth are used. Falling, but this structure requires additional parts, which not only causes the assembly to be more difficult. For this reason, as in the Republic of China, m266138 and M24856 4, the two patents are similar structures, so the example of m2 6 6 ^ w is mainly used to install the second inlay. The first elastic device is first inserted into the first hole to make the second engagement device contact the first elastic device, and is pushed outward by the elastic force of the first elastic device, and the other end of the second contact device is pushed. It is incapable of rotating with the head-engagement device of the head, so the front end surface of the shank is in the hole: the sigh is pressed by the la device. The bottom of the button device is provided with two accommodating holes for two springs and two hollow ships. And 'between the two accommodating holes--(4) the second embedding device passes through the hole, and the lower part of the hole is the card for the second embedding device: the first-fitting of the grooves abutting each other And the second engagement device is in communication with the second and second holes of the strip, and the second engagement device can be disengaged from the first assembly of the button device. 'Let the chat be able to swing up and down to adjust the angle. However, the button device of this structure must have a hole. The hole is provided for the second inlay device, so the area of the button device is greatly increased. If a small wrench is to be manufactured, the button device is easily restricted due to excessive volume, and the crack is easily caused. There is a need for improvement. SUMMARY OF THE INVENTION The main object of the present invention is to provide a hand tool that is easy to design, easy to assemble, release, and lock, and can be easily locked at any preset angle. Still another object of the present invention is to provide a situation in which the head can be prevented from falling down when the button device is pressed. The invention discloses a hand tool capable of achieving the above-mentioned desired object, and the utility model mainly comprises: a head, a shaft portion, an end, a connecting end, a surrounding structure, a receiving groove, a first hole and a first hole, For the insertion of the elastic device, the top and the red, and the like, wherein the fresh body 1 is provided with a first-on surface and a first-scratch surface, which can correspond to the second surface of the button device and the second stop. The face is restrained by the limit, and the top of the body can be freely beaten by the movable space surface of the button device and the first elastic device of the top body. This is controlled by the transposition to control the movement of the top body. It can be adjusted to adjust the angle of the head to make it not to fall, and the two can lock the angle of the collar. [Embodiment] The present invention relates to a hand tool capable of adjusting the angle, and includes three preferred embodiments, wherein the first embodiment is disclosed in the first to seventh figures. Please refer to the following description: With a handle 1 〇, one end of the shank 1 预设 of the predetermined length is substantially formed with an enlarged connecting end 11 , and the connecting end i1 is a concave shape and recessed by a predetermined depth of the receiving groove 111 ′ A pair of symmetrical shafts 112 are formed at the left and right ends of the slot iii, and are located at the appropriate positions of the two pivoting ears 112. A pivot hole 113 extending through the receiving slot 111 is defined in the axial direction, and the bottom surface of the receiving slot 111 is extended. a first slot 114 is defined in the longitudinal direction, and the first slot 114 is perpendicularly communicated with the second slot 115 that is axially disposed at the connecting end 11 , and the first slot 114 and the second slot 114 A first elastic 〜u/33 AA and a second elastic device b are disposed in the hole 1 15; secondly, the first hole m; L 4 is provided with a long strip in addition to the green first device material The top body 2 〇, the top body 2 〇 is different from the end of the first elastic device 6 to form a toothed first engagement 2 i, and a first limiting surface 22 and a first blocking surface 23 are formed with respect to the end of the first elastic device A, and an arc guiding is provided below the first blocking surface 23 The surface 2 5 is as shown in the second figure, and in addition to the second elastic device B, a second cylindrical button device 30 is provided in the second hole 115, and the button device 30 is about the center. a second restriction surface 31 corresponding to the first restriction surface 2 2 of the top body 2 凹 is disposed on the surface of the surface, and the second restriction surface 31 is adjacent to the front side of the second restriction surface 31. The surface of the movable surface 3 2 is substantially perpendicular to the second limiting surface 3, at the bottom of the lower surface of the movable space 3 2, and a second blocking surface 33 is formed to protrude, and the second blocking portion is formed. The end face of the stop face 3 3 and the movable space face 3 2 is an arc-shaped guide face 34 so that it is easy to guide each other with the arc guide face 2 5 of the top body 2 The second stopping surface 3 3 can be used for the first blocking surface 2 3 of the top cymbal body 2 to abut the locking. The other movable space surface 3 2 can be used for the top cymbal body. Space; The receiving slot 111 of the handle 10 can be inserted into a head portion 4, and the end portion 40 is a driving end 41 (illustrated as an open driving end, the open driving end can be an open end wrench The head and a movable wrench head can also be a closed driving end according to different requirements. As shown in the fifteenth and sixteenth figures, it can be a plum head, a ratchet head 1320733 plum head or a socket wrench head, etc.) The other end is a connection end 4 2, and the connection end 4 2 of the head 40 and the connection end 1 1 of the handle 10 are mutually opposite and in a relative (four) state: the connection end 42 is a convex shape and the The end surface nucleus of the connecting end of the convex shape is provided with a second engaging end 43 having a plurality of teeth, and the plurality of teeth and the ridge can be a V-shaped surface-U-shaped, The first engaging end 21 of the body 2 is spouted. The side of the connecting end 4 2 is provided with a stomach perforation 4 4 for communicating with the holding hole 3, which is available for insertion and insertion with the connecting end. The insertion hole 113 of the 1 1 is fixed, so that the head 4 丄〇 can freely sound and adjust the angle relative to the handle ' to provide the bent and adjusted head 4 〇, and the positioning and locking turn By force. Referring again to the first, second, and fourth figures, in the normal state, the hand tool of the bendable angle is not adjusted, and when the limb is in an angle state, the first limit surface 2 2 and the second limit surface 3 1 are Restricted to each other, the object stops the top body 2 ◦ and presses the rotation 3 〇 freely rotates to cause inoperability, and the top cymbal 2 〇 is pushed by the elastic force of the first elastic device A toward the head 4 〇 Abutting, forcing the first 端 end 2 1 of the top 2 2 喃 to mate the second engaging end 4 3 of the head 4 ,, and the bottom of the button device 3 向上 is pushed upward by the elastic force of the second elastic device B, The second stop surface 3 3 of the button device 3 is abutted against the first stop surface 2 3 of the top body 2 , so that the top body 20 cannot move backward, so that the head 4 can be The angle of the cymbal is locked, so that when the force is pulled, the angle of the head 4 (10) changes, and the hand touches the machine to be injured; 9 1320733 or vice versa, as shown in the fifth, sixth, and seventh figures, When the angle is bent, the button device 30 is pressed, and the first stop surface 23 is disengaged from the second stop surface 3 3 to sin "the first stop surface 2 at this time" 3, a gap is formed between the movable space surface 3 2, and the top body 20 is biased against the top by the first elastic device, so that the first engaging end 21 of the top body 2 is still the same as the driving end 41 The two engaging ends 43 are engaged, so that the situation that the driving end 41 is drooped instantaneously can be prevented, and if the head 4 is rotated in the counterclockwise direction, the second engaging end 4 3 of the head 4 G , a horizontal component force is generated to press against the first engaging end 21' to force the top cymbal body 2 to move backward and backward, so that the first-stop surface 2 3 of the top palm body 20 is freely movable on the movable space surface. Between the gaps of 3 2; when the touch device 30 is released, the stalk wire 3Q is pushed upward by the second elastic device B, and the second stop surface 3 3 is moved upward along the guide surface 34. The secret-stop surface 2 3 again causes the head 40 to be compared and cannot turn its angle.
再參照第八至十四騎示之第二實_，其_僅就與前述之 第一實施例差異處予以論述，相同之結構名稱、树符號則沿用 之，其中該頂掣體2 0面對第1性裝置A .，所設之第一 與第—擋止面23,其中該第—限制面22係有二個面，在 第-限制面22的閉口一端有一第一擋 制面2 2與第,止&?<^心、 d由此兩第-限 另在第-w胃 略呈门字型之限擋槽24, β 3下方並有一延伸之弧導面25;又按紐裝置 動空間面3 2相鄰之兩側，係触有相對應於第-限制面 2 2之兩個第二限制面31，藉此可供頂掣體2 0之限擋槽2 4 穿入左右兩個第二限制面31，以防止其自由旋轉。 再參照第十七、十八及第十九圖所示之第三實施例，其中僅 就與剛述之第一實施例差異處予以論述，其中柄部10之連接端 11係設計成一凸形狀之連接端11，而頭部40之連接端42 則設計成相對應之凹形狀之連接端4 2，其中並利用一插銷^穿 設固定，該插銷C概約中央位置設有複數齒所組成之第二嵌接端 C1，第二嵌接端C1係供與頂掣體2 〇之第一嵌接端21相嚙 合，藉此同樣可達到上述之預期目標者。 综合上述，本發明可達以下特點： 一、本發明係直接於按鈕裝置及頂掣體之預設處，均各設有 至> 限制面及擋止面，並利用按钮裝置之活動空間面與第二擋 止面與頂掣體之擋止面，即可達到使頭部被航或可胃曲、調整 角度之功能，如此可大幅降低組裝零件，減少成本支出。 一、利用第一嵌接端後端之第一彈性装置，推動第一嵌接端， 使第-嵌接端前端之頂掣體可與頭部第二紐端呈4合狀，藉此 可防止頭部瞬間垂落之狀況發生。 【圖式簡單說明】 第一圖係本發明之分解示意圖。 第一之一圖係、本發明之按鈕裝置放大圖。 第一之二圖係本發明之頂掣體的另-角度放大圖。 第二圖係本發明為鎖定在某—角度狀態示意圖。 第三圖係第二圖之剖面侧視圖。 第二之一圖係第三圖之a - a剖面圖。 第四圖係第三圖之局部放大圖。 第五圖係本㈣之按崎置按下織示意圖。 第六圖係第五圖之剖面侧視圖。 第六之一圖係第六圖之b_b剖面圖。 第七圖係第六圖之局部放大圖。 第八圖係本發明之第二實施例分解示意圖。 第八之-_本發明之第二實施例之餘裝置放大圖。 第八之二嶋本發明之第二實_之頂掣體的另—肖度放大圖 第九圖係本伽第二實施例為固定肖度狀態示意圖。 第十圖係第九圖之剖面側視圖。 第十之一圖係第十圖之c — c剖面圖。 第Η一圖係第十圖之局部放大圖。 第十一圖係本發明第二實施例為按鈕裝置按下狀態示意圖。 第十三圖係第十二圖之剖面側視圖。 第十四圖係第十三圖 够L _<d、cl剖面圖。 第十五圖係本發明之 ^ 崎$為—封閉式驅動端示意圖。 十、圖係本㈣之頭部為另—删式驅動端示意圖 第十七圖縣㈣之第三實酬示意圖。 第十八圖係$十七_之剖面側視圖。 第十九圖係第十七圖之局部放大圖。 【主要元件符號說明】 1〇 —柄部 ill 容接槽 113 樞接孔 1 1 5—— 第二孔槽 21 第一嵌接端 23 第一擋止面 2 5 一弧導面 31 第二限制面 3 3 -第二擋止面 4 0----頭部 4 2 — — — ~連接端 4 4----貫穿孔 B----~~第二彈性裝置 C 1-----第二嵌接端 11 — ---連接端 112- ---框耳 114- ---第一孔槽 2 0-- ---頂掣體 2 2-- ---第一限制面 2 4-- ---限擋槽 3 0-- ---按钮裝置 3 2-- ---活動空間面 3 4-- ——導引面 4 1-- ---驅動端 4 3-- ——第二嵌接端 A--- 第一彈性裝置 C--- ---插鎖 13Referring again to the second real _ of the eighth to fourteenth riding, the _ is only discussed in the difference from the first embodiment described above, and the same structural name and tree symbol are used, wherein the top cymbal 20 faces For the first device A, the first and the first stop faces 23, wherein the first restricting surface 22 has two faces, and at the closed end of the first restricting face 22, there is a first blocking face 2 2 and the first, the end &? < ^ heart, d thus two - limit another in the -w stomach slightly gate-shaped limit groove 24, under the β 3 and has an extended arc guide surface 25; The two adjacent sides of the moving device surface 3 2 are contacted with two second limiting faces 31 corresponding to the first limiting surface 22, thereby being used for the limiting groove 2 of the top body 20 The two left and right second restriction faces 31 are inserted to prevent them from rotating freely. Referring again to the third embodiment shown in the seventeenth, eighteenth and nineteenth aspects, wherein only the difference from the first embodiment just described is discussed, wherein the connecting end 11 of the handle 10 is designed to have a convex shape. The connecting end 11 and the connecting end 42 of the head 40 are designed as corresponding concave-shaped connecting ends 4 2 , wherein they are fixed by a pin, which is composed of a plurality of teeth at a central position. The second engaging end C1 and the second engaging end C1 are engaged with the first engaging end 21 of the top cymbal body 2, thereby achieving the above-mentioned intended target. In summary, the present invention can achieve the following features: 1. The present invention is directly disposed at the presets of the button device and the top body, and is provided with a control surface and a stop surface, respectively, and utilizes the movable space surface of the button device. With the second stop surface and the stop surface of the top body, the function of making the head voyage or the stomach can be adjusted and the angle can be adjusted, thereby greatly reducing the assembly parts and reducing the cost. 1. Using the first elastic device at the rear end of the first engaging end, pushing the first engaging end, so that the top body of the front end of the first engaging end can be combined with the second new end of the head. Prevent the head from falling down instantly. BRIEF DESCRIPTION OF THE DRAWINGS The first drawing is an exploded view of the present invention. The first diagram is an enlarged view of the button device of the present invention. The first two figures are additional angled views of the top body of the present invention. The second figure is a schematic diagram of the present invention locked in a certain angle state. The third figure is a cross-sectional side view of the second figure. The second figure is a-a cross-sectional view of the third figure. The fourth figure is a partial enlarged view of the third figure. The fifth picture is a schematic diagram of the press of the (4). The sixth drawing is a cross-sectional side view of the fifth figure. The sixth figure is a b_b cross-sectional view of the sixth figure. The seventh figure is a partial enlarged view of the sixth figure. Figure 8 is an exploded perspective view of a second embodiment of the present invention. Eighth - An enlarged view of the remaining device of the second embodiment of the present invention. The eighth embodiment is a second perspective view of the second embodiment of the present invention. The ninth diagram is a schematic diagram of the second embodiment of the present embodiment. The tenth figure is a cross-sectional side view of the ninth figure. The eleventh figure is a sectional view of c-c of the tenth figure. The first figure is a partial enlarged view of the tenth figure. The eleventh embodiment is a schematic view showing a state in which the button device is pressed in the second embodiment of the present invention. Figure 13 is a cross-sectional side view of the twelfth figure. The fourteenth figure is the thirteenth figure. The L_<d, cl section is sufficient. The fifteenth diagram is a schematic diagram of the invention of the invention. X. The head of the diagram (4) is the schematic diagram of the other-deleted drive end. The seventeenth diagram of the county (four) is the third real reward diagram. The eighteenth figure is a side view of the section of $17. The nineteenth figure is a partial enlarged view of the seventeenth figure. [Main component symbol description] 1〇—handle ill receiving groove 113 pivot hole 1 1 5——second hole 21 first engaging end 23 first stop surface 2 5 arc guide 31 second limit Face 3 3 - second stop face 4 0----head 4 2 — — — ~ connection end 4 4----through hole B----~~ second elastic device C 1---- -Second engagement end 11 --- connection end 112 -- --- frame ear 114 -- --- first hole groove 2 0-- --- top body 2 2-- --- first restriction surface 2 4-- --- Limiting groove 3 0-- ---Button device 3 2-- --- Active space surface 3 4-- —— Guide surface 4 1-- --- Drive end 4 3- - ——Second engagement end A--- First elastic device C------lock lock 13