M415029 五、新型說明： 【新型所屬之技術領域】 本創作係與手工具有關，更詳而言之係指一種輪圈螺 帽拆裝工具。 【先前技術】 . 按，汽車之輪胎在更換時，需要先將其輪圈進行拆下 . 後，方能將輪胎組裝於該輪圈上。 $ 惟，目前一般汽車之輪圈，主要分為有輪圈蓋的型式 與沒有輪圈蓋的型式二種，沒有輪圈蓋型式的輪圈在拆裝 時，僅需利用套筒扳手將其輪圈上之螺帽加以拆裝即可， 但有輪圈蓋型式的輪圈，在拆裝時則需先將輪圈蓋上之主 螺帽加以拆裝，但由於其主螺帽之尺寸較大，因此無法以 一般之套筒扳手加以作業，而必須另外使用大尺寸之夾持 工具以進行夾持後再行轉動，但此種大尺寸之夾持工具並 φ 非專用於拆裝此類主螺帽之工具，因此常有發生夾持上之 - 困難及損傷主螺帽之情事。 因此，目前有業者，研發出一種專用於拆裝輪圈螺帽 之工具，但由於此種工具之構造上無法精確調整所欲夾持 之尺寸及固定調整後之相關位置，容易在操作時發生鬆脫 之情事，不僅會有操作安全上之問題，亦容易導致工具之 損傷，因此上述之工具通常都需要利用另外一鏈條來加以 圈繞固定，但如此一來，將導致作業效率之降低。 3 M415029 【新型内容】 有鑑於此，本創作之其一目的乃在提供一種輪圈螺帽 拆裝工具，其定位精確、夾持效果較為穩固，而能避免發 生操作上之危險。 緣此，本創作乃提供一種輪圈螺帽拆裝工具，其主要 . 包含有一支撐桿、一螺桿及二夾臂；該支撐桿具有一扳動 部及一位於該扳動部兩側之導引部，該螺桿具有一正向螺 Φ 紋段及一逆向螺紋段，該等夾臂分別具有一貫穿兩側之穿 孔與螺孔，以由該各穿孔供該支撐桿之各導引部穿入，而 由該各螺孔分別供該螺桿之正、逆向螺紋段螺接，該各夾 臂之内側面上分別具有一夾鍔部；藉此，當該螺桿被外力 施予一預定之旋向時，該二夾臂可受該正、逆向螺紋段之 驅動而呈靠近或遠離之移動者。 【實施方式】 ^ 為使貴審查委員能對本創作之特徵與特點有更進一 • 步之了解與認同，茲列舉以下較佳實施例並配合圖式說明 如下： 請參閱第一圖至第六圖，係本創作一較佳實施例所提 供一種之輪圈螺帽拆裝工具1 0 0，主要包含有一支撐桿 1 0、一螺桿2 0、二夾臂2 0及二定位螺栓4 0，其中； 請參閱第一圖與第二圖，該支撐桿1 0，為一體成型 所製成，具有一扳動部1 1及二分別位於該扳動部1 2兩 4 M415029 相對側邊上以同轴延伸之導引部i 2，該扳動部i 2上具 有-扳動槽1 1工，於本實施例中該扳動槽丄工丄為一矩 形槽’該兩導引部i 2分別為一呈六角形斷面之轴桿，且 該各導引部12之外側面上分別具有一導引槽丄2工。 請參閱第一圖與第二圖，該螺桿2 〇 ,具有一頭部2 .1及一以一體連接方式連接於該頭部21—端之身部2 • 2該頭°卩2 1概呈六角形斷面，且該頭部2 1之外徑大 _於該身部22之外徑，該身部22上具有一正向螺紋段2 2 1及一逆向螺紋段2 2 2。 請參閱第一圖與第二圖，該二夾臂3 〇，分別具有一 貫穿兩側之穿孔3 1，該穿孔3 1為一對應該支撐桿工〇 導引部12斷面造型之六角形孔，以由該二夾臂3〇之穿 孔3 1供該支撐桿1 〇之導引部i 2穿入，且該二夾臂3 0之頂端面上分別具有一連通至該穿孔3 i之緊固螺孔3 # 2，使該各緊固螺孔3 2與該支撐桿i 〇之各導引槽工2 1連通，該各夾臂3 〇上並分別具有一貫穿兩相對側之螺 孔3 3，且該各夾臂3 〇上之螺孔3 3分別為一正向螺牙 孔及一逆向螺牙孔，以由該螺孔3 3分別供該螺桿2 〇之 正向螺紋段2 2 1與該逆向螺紋段2 2 2進行螺接，而使 該螺桿之頭部2 1位於其一夾臂3 0之外側，該二夾臂3 〇之相對内側面上分別自其表面凹陷有一凹陷區3 4，並 於該凹㈣34之表面上具有一爽鳄部3 4工，該夾鳄部 5 3 4 1係由若干交錯排列之凸肋與凹槽所構成，該各夹臂 〇之外側面上並分別具有二連通至該凹陷區3 4夾鳄部 3 4 1之鎖接孔3 5。 請參閲第一圖與第二圖，該等定位螺检4 〇，係分別 。各夾煮3 0頂面之緊固螺扎3 2所螺入至該支撐桿1 • 0之導引槽121中。 • 丨以’上述即為本創作所提供-較佳實施例輪圈螺帽 鲁拆裝工具100之各部元件及其組裝方式之介紹，接著再 將其使用特點介紹如下： 首先，當欲由本創作對一輪圈之螺帽（圖中未示）進 行夾持，以進行拆、裝作業時，先將該等定位螺栓4 〇稍 加旋鬆，以使該等定位螺栓4〇不會接觸到該導引槽工2 1之槽底壁面上，如此一來，便可進行旋轉該螺桿2 〇， 即自該螺桿2 0之頭部2 1進行正、逆時針之轉動，以由 •該正、逆向螺紋段221、222分別帶動該各夾臂30 進行夾合或分開之位移（如第三圖與第四圖所示），待調整 該等夾臂3 0至適當夾持於輪圈螺帽之位置時（即使得該 一夾臂3 0之夾鍔部3 4 1夾持至'該螺帽之兩相對外側面 上時）’便可將該等定位螺栓4 〇加以旋緊，以使該定位螺 栓4 0之底端緊迫抵接於該導引槽1 2 1之底壁面上，而 可將該二夾臂3 〇之相對位置進行固定，如此一來，使用 者便可將一扳手（圖中未示）套接於該支撐桿} 〇之扳動 M415029 槽1 1 1中以藉由轉動該扳手而能帶動整個輪圈螺帽拆 裝工具1 0 0轉動，以達將該輪圈之螺帽進行旋鬆或旋 緊，而能達到進行拆下或組裝之作業。 於此，本創作之輪圈螺帽拆裝工具1〇 〇，不僅其調 整定位較為精確，且其相對位置亦能較為穩魏進行定 ^並藉由穿孔呈六角形孔之造型與該導引部呈六角开)斷 之u尘配δ，而此藉由多面之限制而使操作時之穩固性 籲更佳，更使得在操作上之便利性大增，更能避免損傷工具 及發生操作上之危險性。 另外，如第五圖所示，當欲使用本創作對必須深入狹 Ρ益空間内以相對嵌入特殊缺口螺帽之操作使用時，本創作 可更包含有若干型式且兩兩—組之接桿5 Q，該接桿5 〇 具有一驅動部5 1及一連接部5 2，該連接部52上具有 貫穿二相對側之螺接孔5 2工，以由該連接部5 2靠抵於 •。亥夾臂3 0之夾鳄部3 4 1上，並藉由二螺栓6 〇穿入於 -該夹臂30之鎖接孔35中而螺接於該接桿5〇之螺接孔 5 2 1中，以將該夾臂3 〇與該接桿5 〇固定連接如此 來’便可由其驅動部51套接於欲進行扳轉之螺帽上， 以進行拆裝作業。 接著，上述接桿5 〇之驅動部5 1為矩形，但實際上， 如第六圖所示，該接桿7 G之驅動部7 !亦可為圓开/。 其次，雖然上述支樓桿1 〇之扳動槽χ工工為一矩形 7 M415029 槽，但實際上該扳動槽只要為非圓形槽，皆可達成本創作 之目的。 以上所揭，僅為本創作所提供之較佳實施例，並非用 以限制本創作實施例之範圍，凡本技術領域内之相關技藝 者根據本創作所為之均等變化，皆應屬本創作所涵蓋之範 • 厶y 【圓式簡單說明】 第圖係本創作一較佳實施例之立體分解圖。 第圖係第圖所示實施例之立體組合圖。 第三圖係第—圖所示實施例之動作示意圖。 第四圖係第一圖所示實施例之動作示意圖。 • 第五圖係第—圖所示實施例之另-實施態樣立體圖〇 • 第六圖係第-圖所示實施例之又-實施態樣立體圖〇 Φ.【主要元件符號說明】 輪圈螺帽拆裝工具1〇 〇 支撐桿1 0 扳動部1 1 扳動槽1 1 1 導引部1 2 導引槽121 螺桿2 0 頭部2 1 身部2 2 正向螺紋段2 2 1 逆向螺紋段2 2 2 夾臂3 0 穿孔3 1 緊固螺孔3 2 螺孔3 3 凹陷區3 4 失鍔部3 4 1 鎖接孔3 5 定仇螺栓4 〇 接桿5 0 驅動部5 1 連接部5 2 螺接孔5 2 1 螺栓6 0 接桿7 〇 驅動部7 1M415029 V. New description: [New technical field] This creation is related to hand tools, and more specifically refers to a rim nut disassembly tool. [Prior Art] . Press, when the tire of the car is replaced, the rim must be removed first, and then the tire can be assembled on the rim. However, at present, the rim of a general automobile is mainly divided into a type with a rim cover and a type without a rim cover. When the rim without the rim cover type is disassembled, it only needs to be replaced by a socket wrench. The nut on the rim can be disassembled and assembled, but the rim of the rim cover type needs to disassemble the main nut on the rim cover when disassembling, but due to the size of the main nut It is too large to work with a general socket wrench, but it must be additionally used with a large-sized gripping tool for clamping and then rotating. However, this large-sized gripping tool is not dedicated to disassembly. The tool of the main nut type, so there is often the case of clamping - difficulty and damage to the main nut. Therefore, at present, there is a tool developed for the disassembly and assembly of the rim nut, but since the structure of the tool cannot accurately adjust the size of the desired clamping and the relevant position after the fixed adjustment, it is easy to occur during operation. Looseness will not only cause operational safety problems, but also cause damage to the tools. Therefore, the above-mentioned tools usually need to be wrapped and fixed by another chain, but this will result in a decrease in work efficiency. 3 M415029 [New content] In view of this, one of the purposes of this creation is to provide a rim nut disassembly tool that is accurate in positioning and relatively stable in clamping effect, thereby avoiding operational hazards. Therefore, the present invention provides a rim nut disassembly tool, which mainly includes a support rod, a screw and a two-clamp arm; the support rod has a trigger portion and a guide on both sides of the trigger portion. a guiding portion, the screw has a forward spiral Φ segment and a reverse thread segment, and the clamping arms respectively have a through hole and a screw hole extending through the two sides, so that the through holes are provided for the guiding portions of the supporting rod And the screw holes are respectively screwed to the positive and reverse thread segments of the screw, and the inner faces of the clamp arms respectively have a clamping portion; thereby, when the screw is applied with a predetermined rotation by an external force In time, the two clamp arms can be driven by the forward and reverse thread segments to move closer to or away from each other. [Embodiment] ^ In order to enable your review committee to have a better understanding and recognition of the features and characteristics of this creation, the following preferred embodiments are listed with the following description: Please refer to the first to sixth figures. A rim nut disassembly tool 100 provided by a preferred embodiment of the present invention mainly includes a support rod 10, a screw 20, a second clamp arm 20, and two positioning bolts 40, wherein Referring to the first figure and the second figure, the support rod 10 is integrally formed, and has a pulling portion 1 1 and 2 respectively located on opposite sides of the pulling portion 1 2 and 4 M415029 a guiding portion i 2 of the shaft extending portion, the pulling portion i 2 has a pulling groove 1 1 , and in the embodiment, the pulling groove is a rectangular groove, and the two guiding portions i 2 respectively It is a shaft with a hexagonal cross section, and each of the guiding portions 12 has a guiding groove on the outer side. Referring to the first figure and the second figure, the screw 2 〇 has a head 2.1 and a body 2 connected to the head 21 at the end of the head 2 • 2 the head 卩 2 1 The hexagonal section, and the outer diameter of the head 21 is larger than the outer diameter of the body 22. The body 22 has a forward thread section 2 2 1 and a reverse thread section 2 2 2 . Referring to the first figure and the second figure, the two clamping arms 3 〇 respectively have a through hole 3 1 penetrating through the two sides, and the through hole 31 is a pair of hexagons which should support the cross section of the bar workpiece guiding portion 12 The hole is penetrated by the guiding portion i 2 of the supporting rod 1 穿孔 by the through hole 3 1 of the two clamping arms 3 , and the top surface of the two clamping arms 30 has a communication to the through hole 3 i The screw holes 3 # 2 are fastened, and the fastening screw holes 3 2 are connected to the guiding slots 2 1 of the support rods 〇, and the clamping arms 3 are respectively provided with a screw running through the opposite sides. a hole 3 3 , and the screw holes 3 3 of the clamp arms 3 are respectively a forward screw hole and a reverse screw hole, so that the screw hole 3 3 is respectively supplied with the forward thread segment of the screw 2 2 2 1 is screwed with the reverse thread segment 2 2 2 such that the head 2 1 of the screw is located on the outer side of one of the clamp arms 30 , and the opposite inner side faces of the two clamp arms 3 are respectively recessed from the surface thereof There is a recessed area 34, and has a crocodile part on the surface of the recess (four) 34. The crocodile part 5 3 4 1 is composed of a plurality of staggered ribs and grooves. On the outside Communicated to the other has two recessed areas 34 crocodile clamp lock portion 341 of the contact holes 35. Please refer to the first figure and the second figure. These positioning screws are 4 〇, respectively. The fastening screw 3 2 of each of the top surfaces of the clamps is screwed into the guide groove 121 of the support rod 1 • 0. • 丨 ' ' ' ' ' ' ' ' - - - - - - 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳When the nut of a rim (not shown) is clamped for disassembly and assembly work, the locating bolts 4 〇 are first loosened so that the locating bolts 4 〇 do not touch the locating bolts The bottom wall surface of the groove of the guiding slot 2 1 is such that the screw 2 〇 can be rotated, that is, the front and the counterclockwise rotation of the head 2 1 of the screw 20 are performed to The reverse thread segments 221, 222 respectively drive the clamping arms 30 to be clamped or separated (as shown in the third and fourth figures), and the clamping arms 30 are to be properly clamped to the rim nuts. When the position is fixed (that is, when the clamping portion 314 of the clamping arm 30 is clamped to the opposite outer side surfaces of the nut), the positioning bolts 4 can be tightened so that The bottom end of the positioning bolt 40 is pressed against the bottom wall surface of the guiding groove 1 2 1 , and the two clamping arms 3 can be smashed Fixing the position, so that the user can attach a wrench (not shown) to the support rod}, and then move the M415029 slot 1 1 1 to rotate the wrench to drive the whole wheel The ring nut disassembly tool rotates 100° to loosen or tighten the nut of the rim, so that the work of removing or assembling can be achieved. Here, the rim wheel nut disassembly tool of the present invention is not only adjustable in its positioning, but also its relative position can be relatively stable and shaped by a perforated hexagonal hole and the guide. The part is hexagonal and broken, and the dust is matched with δ. However, the stability of the operation is better by the limitation of multiple faces, and the convenience in operation is greatly increased, and the damage tool and the operation are more avoided. The danger. In addition, as shown in the fifth figure, when the creation of the creation is required to be used in the operation of the special notched nut in the narrow space, the creation may further include several types and two-two-position posts. 5 Q, the post 5 〇 has a driving portion 5 1 and a connecting portion 5 2 , and the connecting portion 52 has a screw hole 5 2 through the opposite sides to be supported by the connecting portion 5 2 . The nipple portion 3 4 1 of the collet arm 30 is inserted into the locking hole 35 of the clip arm 30 by the two bolts 6 而 and screwed to the screw hole 5 2 of the post 5 In the first embodiment, the clamp arm 3 〇 is fixedly coupled to the post 5 如此 so that the drive portion 51 can be sleeved on the nut to be turned over for disassembly and assembly. Next, the driving portion 51 of the post 5 为 is rectangular, but actually, as shown in the sixth figure, the driving portion 7 of the post 7 G may be rounded/. Secondly, although the above-mentioned support bar 1 is a rectangular 7 M415029 slot, the fact that the trigger groove is a non-circular groove can achieve the purpose of cost creation. The above is only the preferred embodiment provided by the present invention, and is not intended to limit the scope of the presently-created embodiments. All of the related art in the art should be equally changed according to the present creation, and should belong to the present invention. Coverage • 厶 y [Circular Simple Description] The figure is a perspective exploded view of a preferred embodiment of the present invention. The figure is a perspective assembled view of the embodiment shown in the figure. The third figure is a schematic diagram of the action of the embodiment shown in the figure. The fourth figure is a schematic diagram of the action of the embodiment shown in the first figure. • Fig. 5 is a perspective view of another embodiment of the embodiment shown in Fig. - Fig. 6 is a perspective view of the embodiment shown in the first embodiment of Fig. Φ. [Description of main component symbols] Nut disassembly tool 1〇〇Support rod 1 0 Pulling part 1 1 Pulling groove 1 1 1 Guide part 1 2 Guide groove 121 Screw 2 0 Head 2 1 Body 2 2 Forward thread section 2 2 1 Reverse thread section 2 2 2 Clamp arm 3 0 Perforation 3 1 Fastening screw hole 3 2 Screw hole 3 3 Depression area 3 4 Missing part 3 4 1 Locking hole 3 5 Enemy bolt 4 〇Pole 5 0 Drive part 5 1 Connecting part 5 2 Screwing hole 5 2 1 Bolt 6 0 Post 7 〇 Drive section 7 1