Construction of a council chen tool, comprising:- a handle (10), which on its one end with a positioning hole (11) is provided;- a central shaft (20) with a central throughbore (201), which on its one end with a in the positioning hole (11) of the handle (10) arranged projecting part (21) is provided, whereby two inner spaces are arranged so as to correspond to one another (22) on the outer periphery of the central shaft (20) are formed, which in each case with two radially arranged receiving holes (23) are provided;- two locking devices (30), each of which consists of a catch element (31) with a plurality of detent pawls teeth (311) and the two springs (32), whereby one end of the two springs (32) in each case in a receiving hole (23) is held, wherein the catch element (31) in the interior space (22) is arranged, wherein the free end of the two springs (32) in each case from one side of the click-stop unit (31) is held, wherein the catch element (31) on whose of the two springs (32) in each case with a first side facing away from positioning groove (312) and two second positioning notches (313) is provided;- a switch-over before the direction (40), which in the form of a hollow connecting sleeve (41) and two positioning pins (42), wherein two positioning notches which interact in each case (411) for receiving a pin (42) in the connecting sleeve (41) are arranged opposite one another, wherein the connecting sleeve (41) on the outer circumference of the central shaft (20) is inserted, so that the first positioning groove (312) of the click-stop unit (31) of the locking device (40) in each case the respective positioning pin (42) can receive;- a rotary knob (50), which in its center with an operation hole (51) and an internally threaded bore (52) is provided and on the one end with a progressive profile (53) with an internal thread (54) is formed, wherein the rotary knob (50) in the connecting sleeve (41) is assembled, so that the internal thread (54) with the ratchet teeth (311) of the respective detent body (31) is in engagement; andn="9"- a bolt which, at the one end in the positioning hole (11) of the handle (10) is positioned, wherein the pin (60) to the central shaft (20) with the internally threaded bore (52) of the turning knob (50) is screwed.
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机译：圆弧形陈式工具的构造，包括：-手柄（10），在其一端设有定位孔（11）;-中心轴（20）具有中心通孔（201），该中心通孔在其上在手柄（10）的定位孔（11）中设置有一个端部，该突出部（21）布置有两个内部空间，从而在中心轴（3）的外周上彼此相对应（22）。形成如图20所示的），其分别具有两个径向布置的容纳孔（23）;-两个锁定装置（30），每个锁定装置由具有多个棘爪齿（311）的卡锁元件（31）组成以及两个弹簧（32），其中，两个弹簧（32）的一端分别保持在容纳孔（23）中，其中，在内部空间（22）中布置有止动元件（31），其中分别从止挡单元（31）的一侧保持两个弹簧（32）的自由端，其中，两个弹簧（32）中的一个上的止动元件（31）在每种情况下，第一侧面背离定位槽（312），并且设有两个第二定位凹口（313）;-在方向（40）之前进行切换，该切换为空心连接套筒（41）的形式和两个定位销（42），其中两个定位凹口彼此相对布置，所述两个定位凹口在每种情况下（411）相互作用以将销（42）容纳在连接套筒（41）中，其中，连接套筒（41）在外部插入中心轴（20）的圆周，以便锁定装置（40）的锁定装置（31）的止动单元（31）的第一定位槽（312）分别容纳相应的定位销（42）;-旋钮（50），其中心具有操作孔（51）和内螺纹孔（52），并且一端形成有带有内螺纹（54）的渐进轮廓（53），其中将旋钮（50）装配在连接套筒（41）中，以使内螺纹（54）与棘轮各个棘爪主体（31）的齿（311）啮合; n ＝ 9”-一螺栓，其在手柄（10）的定位孔（11）中的一端处定位，其中销（60）与具有内螺纹孔（52）的中心轴（20）旋紧旋钮（50）的）。
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