M312392 八、新型說明: 【新型所屬之技術領域】 本創作係關於一種起子之棘輪構造,尤指其係設於握 把後端而可避免操作中誤觸而失效,且藉其旋鈕以其凸柱 連動單侧之棘爪不再抵接棘輪之棘齒,而可更換工具套筒 之工作方向者。 【先前技術】 按,棘輪起子或類似的手工具已有眾多前案,且各有特 色,如美國專利前案5, 875, 693號,係以齒輪來喃合定位, 但卻有換向操作定位構造定位不確實、定位構造易損壞的 問題。 另,起子之棘輪構造,如美國專利第6, 070, 503號、第 6, 253, 654號及第6, 854, 363號,係裝設於起子握把之前段 或前端,在操作中極可能因誤觸調整鈕而使棘輪失效,必 須再調整。 【新型内容】 本創作係提供一種起子之棘輪構造,藉其係設於握把 後端,且藉其旋鈕以其凸柱直接連動單侧之棘爪,進而確 實更換工具套筒之工作方向,而可解決換向操作誤觸與定 位不確實之問題及元件不耐用之問題。 本創作之構造係包括工具套筒、握柄、第一棘爪、第 一彈性元件、第二棘爪、第二彈性元件及旋鈕,其中工具 M312392 套筒具有嵌溝與棘輪頭,工具套筒套接有工具頭,棘輪頭 ; 設有棘齒,握柄内為中空之内腔以容納工具套筒與一棘輪 ; 座,而棘輪座設有容室與容槽,容室與容槽相連通,且容 室内則容設棘輪頭之棘齒,第一棘爪係一板片並具有凸梢 以樞設於棘輪座之容槽,第一彈性元件抵接於第一棘爪與 棘輪座間,令第一棘爪對應抵於棘輪頭之棘齒,第二棘爪 係一板片並具有凸梢以柩設於棘輪座之容槽,第二彈性元 鲁件抵接於第二棘爪與棘輪座間而設於容槽内,令第二棘爪 對應抵於棘輪頭之棘齒,旋鈕係固定工具套筒,並設有相 對之第一凸柱及第二凸柱,第一凸柱對應抵於第一棘爪, 第二凸柱對應抵於第二棘爪。 其中,旋鈕設有一穿孔及一固定件,穿孔供棘輪頭穿 套,並以固定件固定。 其中,握柄另設轉盤,且轉盤設有穿孔以供工具桿取 本創作之構造亦係可包括: 工具套筒,套接有棘輪頭,棘輪頭設有棘齒; , 握柄,内設工具套筒,且後段内設棘輪座,而棘輪座 内設第一棘爪、第一彈性元件、第二棘爪與第二彈性元件, 並以第一彈性元件與第二彈性元件令第一棘爪與第二棘爪 分別抵於棘輪頭之棘齒; 旋鈕,樞接於握柄後端,且設有第一凸柱與第二凸柱, M312392 藉以分別抵動第一棘爪或第二棘爪。 ; 藉之,本發明具有操作中不會誤觸與換向操作定位確 實及元件耐用而不易磨損之優點與增進功效。 【實施方式】 首先,如第一圖及第二圖所示,本創作實例係包括工 具套筒(1)、握柄(2)、第一棘爪(3)、第一彈性元件(4)、 第二棘爪(5)、第二彈性元件(6)及旋鈕(7),而本創作實例 φ最大特徵係在於握柄(2)後端設置旋鈕(7)及其棘輪構造, 以利操作,其中: 工具套筒(1),係前段具有嵌溝(11)與後端套接有棘輪 頭(12),另前端可套接工具頭(14),棘輪頭(12)設有棘齒 (13),另搭配有其他可替換的工具頭(14A),及一 C型之扣 件(15)。 握柄(2),内為中空之内腔(21),内腔(21)前段容納工 •具套筒(1),且於後段容設一棘輪座(22),而棘輪座(22)設 有容室(221)、容槽(222)、穿孔(223)與柱孔(224),容室 (221)與容槽(222)相連通,且容室(221)底部設穿孔(223) , 與柱孔(224),容室(221)則容設棘輪頭(12)之棘齒(13), - 工具套筒(1)穿過穿孔(223),並另設轉盤(23),轉盤(23) 樞接於工具套筒(1),而以扣件(15)固定於工具套筒(1)而 限制轉盤(23),且轉盤(23)設有穿孔(231)及侧孔(232), 穿孔(231)以供工具套筒(1)穿透,而工具頭(14A)之取放則 M312392 由侧孔(232)出入。 _ 第一棘爪(3),係一板片並容納於握柄(2)之棘輪座(22) 之容槽(222),而具有凸梢(31)以樞接於棘輪座(22)之柱孔 (224)。 第一彈性元件(4),設於容槽(222)内而抵接於第一棘 爪(3)與棘輪座(22)[容槽(222)之内壁]間,令第一棘爪(3) 對應抵於工具套筒(1)之棘齒(13); _ 第二棘爪(5),係一板片並容納於握柄(2)之棘輪座(22) 之容槽(222),而具有凸梢(51)以樞接於棘輪座(22)之柱孔 (224)。 第二彈性元件(6),設於容槽(222)内而抵接於第二棘 爪(5)與棘輪座(22)内壁間,令第二棘爪(5)對應抵於工具 套筒(1)之棘齒(13)。 旋鈕(7),係固定於工具套筒(1)而相對樞接於握柄 ❿(2),並設有相對之第一凸柱(71)、第二凸柱(72)、穿孔(73) 及固定件(74),穿孔(73)供工具套筒(1)穿套,而固定件(74) 則固定於工具套筒(1),第一凸柱(71)對應抵於第一棘爪 (3),第二凸柱(72)對應抵於第二棘爪(5)。 藉之,握柄(2)内設工具套筒(1),且握柄(2)後設棘輪 座(22)、棘輪頭(12)及旋鈕(7),而棘輪座(22)内設第一棘 爪(3)、第一彈性元件(4)、第二棘爪(5)與第二彈性元件 (6),並令第一棘爪(3)與第二棘爪(5)分別抵於棘輪頭(12) M312392 之棘齒(13) ’藉旋紐(7)之第一凸柱(71)與第二凸柱(72)分 另J抵住與W動第一棘爪(3)或第二棘爪(5),而可變換工具 '套筒(1)之有效工作方向。總之,本創作實例係於握柄(2) 後端叹置旋鈕(7)及其棘輪構造,以利操作,避免使用時誤 觸而使棘輪失效。 刼作時’如第三圖至第五圖所示,其中,第三圖係本 創作雙向卡掣之操作示意圖[橫剖視/工具頭直接與握柄連 _動]’旋紐(7)位於中央,第一棘爪(3)及第二棘爪⑸係同 時卡抵棘輪頭(12)之棘齒(13),此時,第一凸柱(τι)及第 一凸柱(72)均不會抵住第一棘爪(3)及第二棘爪,工具 頭(14A)直接與握柄(2)連動。 〃換工作方向時,如第四圖及第五圖所示,其中第四圖 係本創作順時針卡掣之操作示意圖[橫剖視/工具頭與握柄 順時針連動],如第五圖所示,係本創作逆時針卡掣之操作 •示意圖[橫剖視/工具頭與握柄逆時針連動]。當旋紐⑺偏 向一側,則第-凸柱⑼或第二凸柱(72)之一連動第一棘 爪⑶或第二棘爪⑸之一退開,亦即令第一棘爪⑶及第二 棘爪(5)之-連動退開而不再嗜合棘輪頭(12)之棘齒 (13),進而令工具套筒(1)之工作方向確實更換。 【圖式簡單說明】 第一圖係本創作之分解圖。 第二圖係本創作組合後之外觀立體圖。 M312392 第三圖係本創作雙向卡掣之操作示意圖[橫剖視/工具頭直 ; 接與握柄連動]。 •第四圖係本創作順時針卡掣之操作示意圖[橫剖視/工具頭 與握柄順時針連動]。 第五圖係本創作逆時針卡掣之操作示意圖[橫剖視/工具頭 與握柄逆時針連動]。 【主要元件符號說明】 0 (1)工具套筒 (2)握柄 (3)第一棘爪 (4)第一彈性元件 (5)第二棘爪 (6)第二彈性元件 (7 )旋紐 (11)嵌溝 (12)棘輪頭 (14)(14A)工具頭 (13)棘齒 (15)扣件 @ (21)内腔 (22)棘輪座 (221)容室 (223)穿孔 (23)轉盤 (232)侧孔 (51)凸梢 (72)第二凸柱 (222)容槽 (224)柱孔 (231)穿孔 (31)凸梢 (71)第一凸柱 (73)穿孔 (74)固定件M312392 VIII. New description: [New technical field] This creation is about a ratchet structure of a screwdriver, especially if it is attached to the rear end of the grip to avoid accidental contact during operation, and it is convex by its knob. The one-sided pawl of the column linkage no longer abuts the ratchet of the ratchet, and the working direction of the tool sleeve can be replaced. [Prior Art] Press, ratchet screwdriver or similar hand tools have many previous cases, and each has its own characteristics, such as US Patent No. 5, 875, 693, which is geared to position, but has a reversing operation. The positioning structure is not positioned correctly, and the positioning structure is easily damaged. In addition, the ratcheting structure of the screwdriver, such as U.S. Patent Nos. 6,070,503, 6,253,654 and 6,854,363, are attached to the front or front end of the driver grip, in operation. The ratchet may be disabled due to accidental touch adjustment and must be adjusted. [New content] This creation provides a ratcheting structure of a screwdriver, which is attached to the rear end of the grip, and its knob is used to directly link the pawl of one side with its knob, thereby actually changing the working direction of the tool sleeve. It can solve the problem of misoperation and misalignment of the reversing operation and the problem that the components are not durable. The construction of the present invention includes a tool sleeve, a handle, a first pawl, a first elastic element, a second pawl, a second elastic element and a knob, wherein the tool M312392 sleeve has a groove and a ratchet head, and the tool sleeve The tool head and the ratchet head are sleeved; the ratchet is provided; the inner cavity of the handle is a hollow inner cavity to accommodate the tool sleeve and a ratchet; the seat, and the ratchet seat is provided with a chamber and a pocket, and the chamber is connected to the tank And a ratchet head of the ratchet head is accommodated in the chamber, the first pawl is a plate and has a protrusion to be pivoted to the slot of the ratchet seat, and the first elastic element abuts between the first pawl and the ratchet seat The first pawl corresponds to the ratchet of the ratchet head, the second pawl is a plate and has a convex tip to be disposed on the cavity of the ratchet seat, and the second elastic element abuts against the second pawl And the ratchet seat is disposed in the cavity, so that the second pawl corresponds to the ratchet of the ratchet head, the knob fixes the tool sleeve, and is provided with the first protrusion and the second protrusion, the first protrusion Corresponding to the first pawl, the second protrusion corresponds to the second pawl. The knob is provided with a through hole and a fixing member, and the through hole is provided for the ratchet head to be sleeved and fixed by the fixing member. Wherein, the handle is provided with a turntable, and the turntable is provided with a perforation for the tool rod to take the creation of the tool. The utility model also includes: a tool sleeve, a ratchet head is sleeved, a ratchet head is provided with a ratchet; and a handle is provided therein. a tool sleeve, and a ratchet seat is disposed in the rear section, and the first pawl, the first elastic element, the second pawl and the second elastic element are disposed in the ratchet seat, and the first elastic element and the second elastic element are first The pawl and the second pawl respectively abut the ratchet of the ratchet head; the knob is pivotally connected to the rear end of the handle, and is provided with a first protrusion and a second protrusion, and the M312392 respectively abuts the first pawl or the first Two pawls. By the way, the present invention has the advantages and enhancements that the operation is not accidentally touched and the reversing operation is positioned and the components are durable and not easy to wear. [Embodiment] First, as shown in the first figure and the second figure, the present example includes a tool sleeve (1), a handle (2), a first pawl (3), and a first elastic member (4). , the second pawl (5), the second elastic element (6) and the knob (7), and the maximum feature of the present example is that the knob (7) and the ratchet structure are arranged at the rear end of the handle (2), so as to facilitate Operation, wherein: the tool sleeve (1) has a groove (11) at the front portion and a ratchet head (12) at the rear end, and the tool head (14) is sleeved at the front end, and the ratchet head (12) is provided with a spine Teeth (13), with other replaceable tool heads (14A), and a C-type fastener (15). The handle (2) has a hollow inner cavity (21), the front section of the inner cavity (21) accommodates a sleeve (1), and a ratchet seat (22) is accommodated in the rear section, and the ratchet seat (22) A chamber (221), a receiving groove (222), a through hole (223) and a column hole (224) are provided, the chamber (221) is connected to the receiving groove (222), and the bottom of the chamber (221) is provided with a perforation (223). ), with the column hole (224), the chamber (221) accommodates the ratchet head (12) of the ratchet head (12), - the tool sleeve (1) passes through the perforation (223), and a turntable (23) is additionally provided The turntable (23) is pivotally connected to the tool sleeve (1), and the fastener (15) is fixed to the tool sleeve (1) to limit the turntable (23), and the turntable (23) is provided with a perforation (231) and a side The hole (232), the perforation (231) for the tool sleeve (1) to penetrate, and the tool head (14A) for the access M311392 from the side hole (232). _ The first pawl (3) is a plate and is received in the pocket (222) of the ratchet seat (22) of the handle (2), and has a convex tip (31) for pivoting to the ratchet seat (22) Column hole (224). The first elastic element (4) is disposed in the pocket (222) to abut between the first pawl (3) and the ratchet seat (22) [the inner wall of the pocket (222)], so that the first pawl ( 3) Corresponding to the ratchet (13) of the tool sleeve (1); _ the second pawl (5), which is a plate and accommodated in the pocket of the ratchet seat (22) of the handle (2) (222) And having a bump (51) for pivoting to the post hole (224) of the ratchet seat (22). The second elastic element (6) is disposed in the pocket (222) to abut between the second pawl (5) and the inner wall of the ratchet seat (22), so that the second pawl (5) corresponds to the tool sleeve (1) Ratchet (13). The knob (7) is fixed to the tool sleeve (1) and is pivotally connected to the handle cymbal (2), and is provided with a first protrusion (71), a second protrusion (72), and a perforation (73). And the fixing member (74), the through hole (73) is for the tool sleeve (1) to pass through the sleeve, and the fixing member (74) is fixed to the tool sleeve (1), and the first protruding column (71) corresponds to the first The pawl (3), the second boss (72) corresponds to the second pawl (5). By the way, the handle (2) is provided with a tool sleeve (1), and the handle (2) is provided with a ratchet seat (22), a ratchet head (12) and a knob (7), and the ratchet seat (22) is provided. a first pawl (3), a first elastic member (4), a second pawl (5) and a second elastic member (6), and the first pawl (3) and the second pawl (5) respectively The ratchet (13) of the ratchet head (12) M312392 'the first protrusion (71) and the second protrusion (72) of the hinge (7) are separated from the first pawl by the W (the first pawl ( 3) or the second pawl (5), which can change the effective working direction of the tool 'sleeve (1). In summary, this creation example is based on the grip (2) back end sway knob (7) and its ratchet configuration for operation, to avoid accidental touch and disable the ratchet. When the operation is as shown in the third to fifth figures, the third picture is the operation diagram of the two-way card of the creation [cross section / tool head directly connected with the handle _ move] ' knob (7) Located at the center, the first pawl (3) and the second pawl (5) are simultaneously ratcheted to the ratchet head (12) of the ratchet head (12). At this time, the first protrusion (τι) and the first protrusion (72) Neither the first pawl (3) nor the second pawl is supported, and the tool head (14A) is directly interlocked with the handle (2). When changing the working direction, as shown in the fourth and fifth figures, the fourth picture is the operation diagram of the clockwise card in this creation [cross section / tool head and handle are interlocked clockwise], as shown in the fifth figure As shown, this is a counterclockwise operation of the creation • Schematic [cross section / tool head and grip counterclockwise linkage]. When the knob (7) is biased to one side, one of the first stud (9) or the second stud (72) interlocks one of the first pawl (3) or the second pawl (5) to retreat, that is, the first pawl (3) and the first The two pawls (5) are interlocked and no longer engage with the ratchets (13) of the ratchet head (12), so that the working direction of the tool sleeve (1) is indeed replaced. [Simple description of the diagram] The first diagram is an exploded view of the creation. The second picture is an external perspective view of the combination of the creations. M312392 The third picture shows the operation of the two-way cassette of this creation [cross section / tool head straight; connected with the handle]. • The fourth picture is a schematic diagram of the operation of the clockwise card [cross section / tool head and the handle is clockwise]. The fifth picture is a schematic diagram of the operation of the counterclockwise card in this creation [cross-section/tool head and counter-clockwise movement of the handle]. [Main component symbol description] 0 (1) Tool sleeve (2) Grip (3) First pawl (4) First elastic member (5) Second pawl (6) Second elastic member (7) New (11) groove (12) ratchet head (14) (14A) tool head (13) ratchet (15) fastener @ (21) inner cavity (22) ratchet seat (221) chamber (223) perforation ( 23) Turntable (232) side hole (51) convex part (72) second protrusion (222) groove (224) column hole (231) perforation (31) convex part (71) first protrusion (73) perforation (74) fixing parts