I2S8689 九、發明說明: 【發明所屬之技術領域】 本發明係有關一種扳手,尤指一種可調扭力值之棘輪 板手。 【先前技術】 如第7圖所示,為習用之棘輪扳手,其係包括一扳手 本體8 1、補強定位塊8 2、棘輪8 3、左右齒塊8 4、 壓縮彈簧8 5及方向控制鈕8 Θ所組成;於扳手本體8工 刚端之組合槽8 1 1下方另設有一弧形結合槽82及一 、、’。a孔8 1 3,以供可套設結合一補強定位塊8 2,該補 強定位塊8 2設有二定位槽8 2 1,可供左右齒塊8 4之 對應端穿f定位,該補強定位塊8 2並具有-結合螺孔8 2 2,可藉以螺接組合於扳手本體8 i之弧形結合槽8 1 蚊棘輪扳手結構,衫㈣塊8 4與棘輪8 3 往往ii:2此其中一齒塊嚅合棘輪8 3而造成制動, 不具=ΐΓ!固而造成跳脫的情況發生’且該棘輪扳手 待改善=s之功效’故其使用的穩定度與實用性皆有 端雖28®所示’為習用之扭力扳手,其扳手本體9尾 雖,、有一s周整筒9 i供調整扭力 , 距離棘輪9 2甚遠,經 ^ C疋 用時間愈久而侖;^A 吏时’其娜誤差隨使 6 1288689 用,且本實施例之扭力扳手換向結構則與前述之棘輪扳手 具有相同的嚅合不穩固而造成跳脫的情況發生,故實有將 之進一步改良之必要。 【發明内容】 本發明之主要目的,在於解決上述的問題而提供一種 可調扭力值之棘輪扳手,其係在調整環之扳動凹插設調整 件,再扳動調整件,以供使調整環複數凹槽與止滑塊複數 齒由嚅合因受力壓縮彈簧跳脫而往前或往後再作嚅合,具 有可調固定扭力值之便捷調整的功能,調整裝置與棘輪組 距離較近,且本發明之結構精簡、尺寸較小,經一段時間 使用後,亦可大幅降低扭力值誤差的產生,並且,棘輪頭 係為子母式之結構,可有效防止卡齒,故本發明具有更佳 之穩定度與實用性。 為達前述之目的,本發明係包括:一本體、一蓋體、 一制齒、一棘輪組、一壓力彈性裝置及一調整裝置;其中, 本體具有一頭部,頭部具有一容置空間,且頭部延伸一握 柄部,該蓋體係分為一下蓋及一上蓋,該下蓋及一上蓋分 別蓋設於本體底端及頂端,棘輪組裝置於本體容置空間 中,制齒抵頂於棘輪組制動,壓力彈性裝置抵頂於制齒, 調整裝置之調整環設有複數扳動凹,其具有一凸部,凸部 端面具有呈放射狀複數凹槽,且調整環頂抵於壓力彈性裝 置,刻度環設有第一貫孔以供套設於調整環凸部,止滑塊 具有複數齒以供與調整環複數凹槽嚅合,且止滑塊設有第 二貫孔,調整件周緣凹設複數卡凹,各卡凹間分別形成一 1288689 俾供穿伸彈性元件而與 卡合部,且調整件凸設外螺紋捍, 調整環螺合。 本發明之上述及其他目 實施例之詳細說明與附圖中,獲=人下述所選用 所不明在某些另件上,或另件之安排上容許有 二Γ、:Γ 實施例,則於本說明書中,予以詳細 況明,亚於附圖中展示其構造。 【實施方式】 中所示者為本發明所選用 ’在專利申請上並不受此 請參閲第1圖至第6圖,圖 之貫施例結構,此僅供說明之用 種結構之限制。 本實施例提供—種可触力值之棘輪扳手,其係包括: —本體1 ’该本體1具有一頭部i i,該頭部i工具 有-=置空間1 2,該頭部i i容置空間工2二側分別具 有-容置凹1 2 1 ’且該頭部1延伸—握柄部i 3,該本 體1通離頭部1 1—端具有―螺孔丄4,俾供—扭力調整 件1 5螺設,該扭力調整件1 5具有呈一字形之一套接段 15 1° 盍體A,該蓋體a係分為一下蓋2及一上蓋7。其 中二該下蓋具有一第一穿孔2工、一第二穿孔2 2及一第 三穿孔2 3,且該下蓋2具有複數第一定位孔2 4及一第 一螺孔2 5,而該下蓋2二侧分別具有對應容置空間工2 之谷置凹1 2 1呈垂直之一凸段2 6,以供與本體1容置 空間12之容置凹12 1嚅合定位,該下蓋2蓋設於本體 1288689 1底端。I2S8689 IX. DESCRIPTION OF THE INVENTION: TECHNICAL FIELD The present invention relates to a wrench, and more particularly to a ratchet wrench with an adjustable torque value. [Prior Art] As shown in Fig. 7, a conventional ratchet wrench includes a wrench body 8 1 , a reinforcing positioning block 8 2 , a ratchet 8 3 , a left and right tooth block 8 4 , a compression spring 8 5 and a direction control button. 8 Θ is composed; a curved coupling groove 82 and a, , ' are further disposed under the combination groove 8 1 1 of the wrench body 8 . a hole 8 1 3, for the sleeve can be combined with a reinforcing positioning block 8 2 , the reinforcing positioning block 8 2 is provided with two positioning grooves 8 2 1 , which can be positioned by the corresponding end of the left and right tooth blocks 8 4 , the reinforcement The positioning block 8 2 has a coupling hole 8 2 2, which can be screwed into the arc-shaped coupling groove 8 1 of the wrench body 8 i , and the shirt (4) block 8 4 and the ratchet 8 3 are often ii: 2 One of the teeth is combined with the ratchet 8 3 to cause braking, and there is no = ΐΓ! Solid and cause the tripping to occur 'and the ratchet wrench needs to be improved = s effect', so the stability and practicability of its use are both The 28® is a conventional torque wrench. Although the spanner body has 9 tails, there is a s-week full barrel 9 i for adjusting the torque. It is far from the ratchet 9 2, and the longer the time is, the longer it is; ^A 吏At the same time, the error of the torque is used in the case of 6 1288689, and the reversing structure of the torque wrench of the present embodiment has the same twisting and unstable condition as the ratchet wrench described above, which causes the tripping to occur, so that it is necessary to further improve it. . SUMMARY OF THE INVENTION The main object of the present invention is to solve the above problems and provide a ratchet wrench with adjustable torque value, which is arranged in the adjustment ring of the adjustment ring, and then adjusts the adjustment member for adjustment. The complex number of grooves and the plurality of teeth of the stop slider are combined by the force compression spring to jump forward or backward, and have the function of convenient adjustment of the adjustable fixed torque value, and the distance between the adjusting device and the ratchet group is improved. The invention has the advantages of simple structure and small size, and can greatly reduce the generation of the torque value error after being used for a period of time, and the ratchet head is a mother-and-mother structure, which can effectively prevent the teeth, so the invention Better stability and practicality. For the purpose of the foregoing, the present invention comprises: a body, a cover, a tooth, a ratchet set, a pressure elastic device and an adjusting device; wherein the body has a head and the head has a receiving space And the head portion is extended to a handle portion. The cover system is divided into a lower cover and an upper cover. The lower cover and the upper cover are respectively disposed on the bottom end and the top end of the body, and the ratchet assembly is disposed in the body receiving space, and the tooth is offset. The pressure elastic device is placed on the ratchet assembly, and the pressure elastic device is disposed on the adjusting tooth. The adjusting ring of the adjusting device is provided with a plurality of clamping recesses, and has a convex portion, the convex end surface has a radial plurality of grooves, and the adjusting ring top is abutted The pressure elastic device has a first through hole for being sleeved on the convex portion of the adjusting ring, the sliding block has a plurality of teeth for engaging with the plurality of grooves of the adjusting ring, and the sliding block is provided with the second through hole, A plurality of card recesses are recessed around the adjusting member, and each of the card recesses respectively forms a 1288689 俾 for extending the elastic member and the engaging portion, and the adjusting member protrudes from the external thread 捍, and the adjusting ring is screwed. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT OF THE INVENTION AND OTHER EMBODIMENT OF THE INVENTION In the drawings, it is not known that the following items are selected on certain parts, or the arrangement of the parts is allowed to be two, Γ In the present specification, it will be explained in detail, and its construction is shown in the drawings. [Embodiment] The one shown in the present invention is selected for use in the present invention. It is not subject to this. Please refer to Fig. 1 to Fig. 6 for the structure of the embodiment. This is for illustrative purposes only. . This embodiment provides a ratchet wrench of a touchable value, which comprises: a body 1 'the body 1 has a head ii, the head i tool has a -= space 1 2, the head ii is accommodated The two sides of the space worker 2 respectively have a receiving recess 1 2 1 ' and the head 1 extends - a grip portion i 3 , the body 1 is separated from the head 1 - the end has a "spiral hole 丄 4" The adjusting member 15 is screwed, and the torsion adjusting member 15 has a pair of segments 15 1° in the shape of a figure, and the cover a is divided into a lower cover 2 and an upper cover 7. The lower cover has a first through hole 2, a second through hole 2 2 and a third through hole 23, and the lower cover 2 has a plurality of first positioning holes 24 and a first screw hole 25, and The two sides of the lower cover 2 respectively have a valley recess 1 2 1 corresponding to the accommodating space 2, and a vertical projection 2 6 for positioning with the receiving recess 12 1 of the receiving space 12 of the body 1 . The lower cover 2 is disposed at the bottom end of the body 1288689 1 .
-棘輪組3,該棘輪組包括一套接頭31、_内外齒 32、-半月齒3 3、一彈性環34、一旋鈕3 5及連: 件3 6,其中,该套接頭3 1埋設一壓縮彈簧3 1 1及一 珠體3 1 2,且該套接頭3 1頂端套設内外齒3 2,該半 月齒3 3裝設於内外齒3 2中而頂抵内外齒3 2内複:棘 齒3 2 1,該旋鈕3 5具有一連接柱3 5工,該旋鈕3 5 連接柱3 5 1藉由彈性環3 4連動半月齒3 3,以供控制 套接頭3 1旋動方向,該連接件3 6穿設旋鈕3 5而與套 接頭3 1連接固定,該套接頭3 ;[穿設於下蓋2第一穿孔 2 1,而内外齒3 2裝置於本體1容置空間1 2中。 一制齒4,該制齒4對應棘輪組3内外齒3 2具有複 數棘齒4 1,遠離制齒4之棘齒4 1一側具有複數固定槽 4 2 ’該制齒4抵頂於棘輪組3内外齒3 2制動。 一壓力彈性裝置5,該壓力彈性裝置5具有一底座5 1 ’該底座5 1對應制齒4 一側具有複數固定桿5 2,各 該固定桿5 2分別套設一壓縮元件5 3,壓縮元件5 3本 實施例中係為壓縮彈簧,該底座5 1遠離固定桿5 2 一侧 裝設一墊體5 4,且該底座5 1固定桿5 2分別頂抵於制 齒4固定槽4 2且該壓縮元件5 3頂抵於制齒4。 一調整裝置6,該調整裝置6包括一調整環6 1、一 刻度環6 2、一止滑塊6 3、一彈性元件6 4及一調整件 6 5所構成;其中,該調整環6 1周緣設有複數扳動凹6 1 1 ’其一側具有一凸部6 1 2 ’該凸部6 1 2端面具有 9 1288689 广放射狀之複數凹槽6 i 3,且該調整環6丄設有一内螺 '、文6 1 4,而§玄调整環6 1另一側頂抵於壓力彈 之塾體該刻度環62設有一第一貫孔62'= 套口又於调整% 6 1凸部6 ^ 2,並以一止負螺絲6 2 2螺 认使刻度% 6 2與調整環6 1相固定,且該刻度環6 2周 有扭力刻度值6 2 3 ;該止滑塊6 3對應調整環6 1 複數凹t 6 1 3具有複數齒6 3 1,以供與調整環6 1複 數凹槽6 1 3餐合,且該止滑塊6 3設有—第二貫孔6 3 2 ’及调整件6 5周緣凹設複數卡凹651,各卡凹65 1間刀別形成一卡合部6 5 2,且該調整件6 5 一側凸設 时外螺紋桿6 5 3,俾供調整件6 5外螺紋桿6 5 3穿伸 彈性元件6 4而與調整環6丨_紋6 i 4相螺合。 在本κ加例中,該上蓋7具有一第四穿孔7 1、一第 五牙孔72及-第六穿孔7 3,且該上蓋7蓋設於本體工 頂,,该上蓋7具有對應下蓋2第一定位孔2 4之複數第 疋,孔7 4,且該上蓋7具有對應下蓋2各第-螺孔2 5之複數第二定位孔7 5,以供複數岐螺絲7 5 1分別 穿:第三定位孔7 5而螺固於下蓋2之第一螺孔2 5 ;該 上皿7具有呈垂直之一凸段7 6,以供與容置空間之容 凹嚷合定位,各該下蓋2第—定位孔2 4及上蓋7第二6 位孔7 4間分職設-^位件77,各該定位件77 = '刀別具有一連接部7 7 1 (在本實施例中係為内螺紋),以 供複數固定件241、741(在本實施例中係為螺絲 別穿伸第-定位孔24及第二定位孔74而螺合固定於定 1288689 、37 7連接部7 7 i,另在該上蓋7具有—扭力數值表 ' 7 8,俾供可參考扭力數絲7 8調整為所需之扭力值。 ★上,之調整環6 1及刻度環6 2局部周緣凸伸於下蓋 2第二穿孔2 2與上蓋7第四穿孔外7 2,該調整件6 7 卡合部6 5 2分別與下蓋2第三穿孔2 3及上蓋 孔73嚅合定位。 牙 使用時,首先旋動取下置放在本體1尾端之扭力調整 ,牛1 5再將扭力s周整件1 5套接段1 5 1插設調整環6 .1之扳動凹6 1 1,再扳動扭力調整件1 5,使調整環6 1複數=槽6 1 3與止滑塊6 3複數齒6 3 1,由屬合因 受力使彈性元件6 4壓縮而跳脫往前或往後再作嗜合,進 而調整件6 5外螺紋桿6 5 3與調整環6工内螺紋^工4 螺動往前或往後,並頂抵動彈性裝置5墊體5 4、底座 5 1、壓鈿元件5 3及制齒4,因壓縮元件5 3改變長度 而㈣扭力值’具有可_定扭力值之便捷輕的功能^ . 裝置與棘輪組距離較近,且本實施例之結構精簡、 尺寸較小’經-段時間使用後’亦可大幅降低扭力值誤差 的產生。 並且,本實施例之棘輪組3藉由旋鈕3 5、彈性環3 4連動半月齒3 3 ’以供控制棘輪組3之套接頭3工旋動 方向’此種換向結構可有效防止卡齒的情況發生,故本發 明提供-種可調扭力值之棘輪扳手,其具有更佳之穩定^ 與實用性。 以上所述實施例之揭示係用以說明本發明,並非用以 1288689 之置換仍應隸 限制本發明’故舉凡數值之變更或等效元件 屬本發明之範疇。 :::::說 【圖式簡單說明】a ratchet set 3, the ratchet set comprising a set of joints 31, _ inner and outer teeth 32, a semilunar tooth 3 3, an elastic ring 34, a knob 3 5 and a connection: a piece 3 6, wherein the sleeve joint 3 1 is embedded The compression spring 3 1 1 and the bead body 3 1 2, and the top end of the sleeve joint 3 1 is sleeved with inner and outer teeth 3 2 , and the semilunar teeth 3 3 are installed in the inner and outer teeth 3 2 and the inner and outer teeth 3 2 are offset from the inner and outer teeth 3 2 : The knob 3 2 1 has a connecting post 3 5 , and the knob 3 5 is connected to the column 3 5 1 by the elastic ring 34 to interlock the half moon tooth 3 3 for the rotation direction of the control sleeve joint 3 1 . The connecting member 3 6 is connected to the sleeve joint 3 1 through the knob 35, and the sleeve joint 3 is [through the first through hole 2 1 of the lower cover 2 and the inner and outer teeth 3 2 are disposed in the receiving space 1 of the body 1 2 in. a toothing 4, the toothing 4 corresponding to the inner and outer teeth 3 of the ratchet set 3 has a plurality of ratchet teeth 4, and the ratchet teeth 4 1 away from the toothing 4 have a plurality of fixing grooves 4 2 'the teeth 4 abut against the ratchet wheel Group 3 internal and external teeth 3 2 brake. a pressure elastic device 5, the pressure elastic device 5 has a base 5 1 'the base 5 1 has a plurality of fixing rods 5 2 on one side of the tooth 4, and each of the fixing rods 5 2 is respectively sleeved with a compression element 5 3 to compress The component 5 3 is a compression spring in the embodiment, and the base 5 1 is disposed on a side away from the fixed rod 5 2 , and the base 5 1 is fixed to the fixing slot 4 of the tooth 4 respectively. 2 and the compression element 53 is placed against the tooth 4. An adjusting device 6 comprising an adjusting ring 6 1 , a scale ring 6 2 , a stopping block 63 3 , an elastic member 6 4 and an adjusting member 65; wherein the adjusting ring 6 1 The periphery is provided with a plurality of pulling recesses 6 1 1 'having a convex portion 6 1 2 ' on one side thereof. The end surface of the convex portion 6 1 2 has a plurality of grooves 6 i 3 of 9 1288689 wide and radial, and the adjusting ring 6 is provided There is a screw snail, text 6 1 4, and § 玄 adjusting ring 6 1 the other side of the top against the body of the pressure bomb. The scale ring 62 is provided with a first through hole 62' = the sleeve is adjusted again. The portion 6 ^ 2 is screwed with a stop screw 6 2 2 so that the scale % 6 2 is fixed to the adjustment ring 6 1 , and the scale ring 6 has a torsion graduation value of 6 2 3; the stop slider 6 3 Corresponding adjustment ring 6 1 The complex recess t 6 1 3 has a plurality of teeth 63 1 for sharing with the plurality of grooves 6 1 3 of the adjustment ring 6 1 , and the stop block 6 3 is provided with a second through hole 6 3 2 'and the adjusting member 6 5 peripherally recessed a plurality of card recesses 651, each of the card recesses 65 1 is formed with a latching portion 6 5 2, and the adjusting member 6 5 is convexly provided with an externally threaded rod 6 5 3俾 supply adjustment member 6 5 externally threaded rod 6 5 3 through the elastic member 6 4 and 6 Shu entire ring groove 6 i 4 _ screwed. In the κ plus example, the upper cover 7 has a fourth through hole 7 1 , a fifth through hole 72 and a sixth through hole 7 3 , and the upper cover 7 is covered on the top of the body, and the upper cover 7 has a corresponding lower portion. The cover 2 has a plurality of first positioning holes 24, a hole 7 4, and the upper cover 7 has a plurality of second positioning holes 75 corresponding to the first screw holes 2 of the lower cover 2 for a plurality of screws 7 5 1 The first screw hole 7 is screwed to the first screw hole 2 5 of the lower cover 2; the upper plate 7 has a vertical convex portion 7 6 for positioning with the concave space of the accommodating space. Each of the lower cover 2 first positioning hole 2 4 and the upper cover 7 second 6 position hole 7 4 is divided into a position - 77, each of the positioning members 77 = 'the knife has a connecting portion 7 7 1 (in In this embodiment, the internal thread is provided for the plurality of fixing members 241 and 741 (in the embodiment, the screw is inserted into the first positioning hole 24 and the second positioning hole 74 and screwed and fixed to the fixed 1288689, 37 7 The connecting portion 7 7 i, in addition, the upper cover 7 has a torque value table 7.8, and the torque value can be adjusted to the required torque value. ★Up, the adjusting ring 6 1 and the scale ring 6 2 local peripheral convexity extends to the lower cover 2 second wear 2 2 and the fourth perforation outer cover 7 2 of the upper cover 7 , the adjusting member 6 7 engaging portion 6 5 2 is respectively engaged with the lower cover 2 the third perforation 2 3 and the upper cover hole 73. When the tooth is used, the rotation is first removed. Torque adjustment placed at the end of the body 1, the cow 1 5 and then the torsion s week, the whole piece, 1 5 sets of joints, 1 5 1 inserted, the adjusting ring 6.1, the pulling recess 6 1 1, and then the torque adjusting member 1 5, the adjustment ring 6 1 plural = slot 6 1 3 and the stop slider 6 3 complex teeth 6 3 1, due to the force of the elastic element 64 4 compression and jump forward or backward And further adjusting member 6 5 externally threaded rod 6 5 3 and adjusting ring 6 internal thread 4 working 4 screw forward or backward, and abutting elastic device 5 pad body 5 4 , base 5 1 , pressing element 5 3 and the tooth 4, because the compression element 5 3 changes the length and (4) the torque value 'has a convenient and light function of the torque value of the fixed torque ^. The device is close to the ratchet group, and the structure of the embodiment is simple and the size is small The 'after-time use' can also greatly reduce the generation of the torque value error. Moreover, the ratchet set 3 of the present embodiment is connected to the half-moon tooth 3 3 ' by the knob 35 and the elastic ring 34 for controlling the ratchet set 3 Socket The three-turning direction 'such a reversing structure can effectively prevent the occurrence of the teeth. Therefore, the present invention provides a ratchet wrench with an adjustable torque value, which has better stability and practicality. The disclosure is intended to be illustrative of the invention, and is not intended to be a limitation of the invention. The invention is intended to be limited to the scope of the invention.
第1圖係本發明之立體分解圖 第2圖係本發明之平面剖視圖 第3圖係本發明棘輪組之立體分解圖 第4圖係本發明制齒及壓力彈性裝置之立體分解圖 第5圖係本發明調整裝置之立體分解圖 第6圖係本發明扭力值調 整之不意圖 第7圖係習用棘輪扳手之示意圖 第8圖係習用扭力扳手之示意圖 【主要元件符號說明】 (習用部分) 本體8 1 組合槽8 1 1 弧形結合槽8 1 2 結合孔8 1 3 補強定位塊8 2 定位槽8 2 1 螺孔8 2 2 棘輪8 3 左右齒塊8 4 壓縮彈簧8 5 方向控制紐8 6 扳手本體9 調整筒9 1 棘輪9 2 12 1288689 (本發明部分)1 is a perspective exploded view of the present invention. FIG. 3 is a perspective exploded view of the ratchet set of the present invention. FIG. 4 is an exploded perspective view of the toothed and pressure elastic device of the present invention. FIG. FIG. 6 is a schematic view of the torque value adjustment of the present invention. FIG. 8 is a schematic diagram of a conventional ratchet wrench. FIG. 8 is a schematic diagram of a conventional torque wrench. [Main component symbol description] (conventional part) 8 1 Combination groove 8 1 1 Curved coupling groove 8 1 2 Bonding hole 8 1 3 Reinforcing positioning block 8 2 Positioning groove 8 2 1 Screw hole 8 2 2 Ratchet 8 3 Left and right tooth block 8 4 Compression spring 8 5 Direction control button 8 6 Wrench body 9 Adjustment cylinder 9 1 Ratchet 9 2 12 1288689 (part of the present invention)
本體1Ontology 1
容置空間1 2 握柄部1 3 扭力調整件1 5 蓋體A 第一穿孔2 1 第三穿孔2 3 固定件2 4 1 凸段2 6 套接頭3 1 珠體3 1 2 半月齒3 3 旋鈕3 5 連接件3 6 棘齒4 1 壓力彈性裝置5 固定桿5 2 墊體5 4 調整環6 1 凸部6 1 2 内螺紋6 1 4 頭部1 1 容置凹1 2 1 螺孔1 4 套接段151 下蓋2 第二穿孔2 2 第一定位孔2 4 第一螺孔2 5 棘輪組3 壓縮彈簀3 1 1 内外齒3 2 彈性環3 4 連接柱3 5 1 制齒4 固定槽4 2 底座5 1 壓縮元件5 3 調整裝置6 扳動凹6 1 1 凹槽6 1 3 刻度環6 2 13 1288689 第一貫孔6 2 1 止負螺絲6 2 2 刻度值6 2 3 止滑塊6 3 齒6 3 1 第二貫孔6 3 2 彈性元件6 4 調整件6 5 卡凹6 5 1 卡合部6 5 2 外螺紋桿6 5 3 上蓋7 第四穿孔71 第五穿孔7 2 第六穿孔7 3 第二定位孔7 4 固定件7 4 1 第三定位孔7 5 固定螺絲7 5 1 凸段7 6 定位件7 7 連接部7 7 1 扭力數值表7 8 14Accommodating space 1 2 grip portion 1 3 torque adjusting member 1 5 cover body A first perforation 2 1 third perforation 2 3 fixing member 2 4 1 convex portion 2 6 sleeve joint 3 1 bead body 3 1 2 half moon tooth 3 3 Knob 3 5 Connector 3 6 Ratchet 4 1 Pressure elastic device 5 Fixing rod 5 2 Pad body 5 4 Adjusting ring 6 1 Projection 6 1 2 Internal thread 6 1 4 Head 1 1 Housing recess 1 2 1 Screw hole 1 4 Socket section 151 Lower cover 2 Second perforation 2 2 First locating hole 2 4 First screw hole 2 5 Ratchet set 3 Compression magazine 3 1 1 Internal and external teeth 3 2 Elastic ring 3 4 Connecting column 3 5 1 Teeth 4 Fixing groove 4 2 Base 5 1 Compression element 5 3 Adjustment device 6 Pulling recess 6 1 1 Groove 6 1 3 Scale ring 6 2 13 1288689 First hole 6 2 1 Stop screw 6 2 2 Scale value 6 2 3 Slider 6 3 tooth 6 3 1 second through hole 6 3 2 elastic member 6 4 adjustment member 6 5 card recess 6 5 1 engaging portion 6 5 2 externally threaded rod 6 5 3 upper cover 7 fourth perforation 71 fifth perforation 7 2 Sixth perforation 7 3 Second positioning hole 7 4 Fixing piece 7 4 1 Third positioning hole 7 5 Fixing screw 7 5 1 Convex 7 6 Positioning piece 7 7 Connecting part 7 7 1 Torque value table 7 8 14