200928127 九、發明說明： 【發明所屬之技術領域】 絲 本發明是有關於一種螺絲設計，特別是一種複結合 螺 5 Ο ίο Χ5 Ο 2〇 【先前技術】 _芩閱圖1 ’習知螺絲1包含有—螺頭U，一設於該螺 碩11上之桿體12 , 一設於該桿體12上之鎖合部13，以 及螺旋環設於該桿體12上之第—、第：牙段14、16, # 中’該二牙段14、16係、呈一交錯設置；故鎖合時，藉由 該鎖合部13切削，並引導該第- '第二牙段Η、16持續 針對該物# 2 (如木材）旋鎖進人，最後達到鎖合定位功 致。 然，實際使用後發現，易有如下之缺失，詳述如下： 1. 鎖合物件過程中’該螺牙雖可針對該木材進行切削，惟， 該螺牙切削木纖維後所產生之切屑，易因該等螺牙叙法 完全將木纖維予以切斷，導致該木纖維纏繞於該桿體 上，進而造成鎖合之阻力增加，影響鎖合速度。 2. 仍續上述’由於該螺牙不夠銳利所以無法完全切削，故 當切屬越多積存與纏崎，該㈣易因相互擠壓而形成 向外擠壓狀況’易造成該木材崩裂，更嚴重會造成該螺 絲鎖合時產生斷裂情事，有待改善。 3. 當該螺絲順利鑽鎖進人該木材後，—旦該木材受到外力 震動因素影響4使該螺絲產生向外旋退現象，所· 固力仍有待提昇。 200928127 【發明内容】 因此，本發明之目的，是在提供一種複結合螺絲，其 具有鎖合過程鎖合速度快與防裂等功效，而鎖合後則具有 較佳防鬆、防退效果。 5 Ο ίο 15 Ο 20 於是，本發明複結合螺絲，包含有一桿體，一設於該 才干體一端之螺頭，一設於該捍體另一端之鑽鎖部，以及一 螺旋環設於該桿體上之第一、第二牙段；其中，該第二牙 段係由該鑽鎖部向該螺頭方向延設，以使該第一、第二牙 段呈交錯設置，同時該第二牙段之螺牙外徑低於該第一牙 段之螺牙外徑，以及該第二牙段之螺牙上開設有複數切 槽’且該每一切槽向外延伸形成有二切刃；故鎖合過程 中，利用該第二牙段之辅助切削，以確實將斬切物件產生 之切屑予以粉碎化，有助於該桿體不受到纏繞，加速鎖合 速度，以及該切屑不會相互擠壓而導致裂材外，同時對於 鎖合後亦可穩固定位且具有較佳防鬆、防退效果β 【實施方式】 有關本發明之前述及其他技術内容、特點與功效，在 以下配合參考圖式之較佳實施例的詳細說明中，將可清楚 的明白。 在發明被詳、細描述前，要注意的是，在以下的說明 中，類似的元件是以相同的編號來表示。 參閱圖2’本發明之第一較佳實施例，該複結合螺絲 3包含有一桿體31，一設於該桿體31 一端之螺頭32, 一 設於該桿體31另一端之鑽鎖部33，以及一螺旋環設於該 5 200928127 5 ❹ 10200928127 IX. Description of the invention: [Technical field to which the invention pertains] The present invention relates to a screw design, in particular to a composite screw 5 Ο ίο Χ 5 Ο 2 〇 [Prior Art] _ 图 图 1 The utility model comprises a screw head U, a rod body 12 disposed on the screw shaft 11, a locking portion 13 disposed on the rod body 12, and a first and a first spiral ring disposed on the rod body 12: The segments 14, 16, #中' the two segments 14, 16 are arranged in a staggered manner; therefore, when the lock is engaged, the lock portion 13 is cut and guides the first - second segment Η, 16 Continue to lock the person against the object # 2 (such as wood), and finally reach the lock positioning function. However, after actual use, it is easy to have the following defects, as detailed below: 1. During the process of locking the component, the screw can be cut for the wood, but the chip generated by the screw cutting the wood fiber, It is easy for the screw thread to cut the wood fiber completely, which causes the wood fiber to be wound around the rod body, thereby causing an increase in the resistance of the lock and affecting the locking speed. 2. Continued above. 'Because the screw is not sharp enough, it can't be completely cut. Therefore, the more the stock is stored and the stagnation, the more easily squeezed out due to mutual extrusion, which will easily cause the wood to crack. Seriously, the screw will be broken when it is locked, and needs to be improved. 3. When the screw is drilled into the wood, the wood is affected by the external force vibration factor 4, causing the screw to rotate outward. The solid force still needs to be improved. SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a composite fastening screw which has the functions of fast locking speed and anti-cracking during the locking process, and has better anti-loosening and anti-backing effects after locking. 5 Ο ίο 15 Ο 20 Thus, the composite screw of the present invention comprises a rod body, a screw head disposed at one end of the body, a drill lock portion disposed at the other end of the body, and a spiral ring disposed thereon a first and a second segment on the shaft; wherein the second segment is extended from the drill portion toward the screw head, so that the first and second segments are staggered, and the second segment The outer diameter of the thread of the second tooth segment is lower than the outer diameter of the thread of the first tooth segment, and the plurality of slots are formed on the thread of the second tooth segment and the groove extends outward to form a second cutting edge Therefore, during the locking process, the auxiliary cutting of the second tooth segment is used to smash the chips generated by the cut object, which helps the rod body not be entangled, accelerates the locking speed, and the chip does not Extrusion to each other leads to cracking of the material, and at the same time, it can be stably fixed after locking, and has better anti-loosening and anti-backing effect β. [Embodiment] The foregoing and other technical contents, features and effects of the present invention are coordinated in the following In the detailed description of the preferred embodiment with reference to the drawings, it will be clear Understand. Before the invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals. Referring to FIG. 2', in the first preferred embodiment of the present invention, the composite screw 3 includes a rod 31, a screw head 32 disposed at one end of the rod body 31, and a drill lock disposed at the other end of the rod body 31. Part 33, and a spiral ring is set at the 5 200928127 5 ❹ 10
15 ❹ W 20 桿體31上之第_、第二牙段％、％;其中，該第一牙段 34係由複數螺牙341組成；另，該第二牙段％係由該鑽 鎖部33向該螺頭32方向延設於該桿體31上，而該第二 牙段36也係由複數螺彳361螺旋環繞而成，且該第一、 第牙奴34 36玉父錯設置，以及該第二牙段36之螺牙 361設置長度未延伸至近該螺頭下方位置處， 圖3所示之延伸至近該螺頭32下方位置處，而不論該係 圖2或圖3’該第二牙段36之螺牙外徑」均低於該第一牙 段34之螺牙外徑D，同時以下動作係以圖2為例加以說明 配合參閱圖4,前述該第二牙段36之每—螺牙361上 開設有複數切槽362,且該每一切槽362均向外延伸形成 有二切刃363, _該等切力363可彼此相鄰接，以使該 複結合螺絲3係可呈-連續設置，或者如圖5所示不連續 設置之態樣’而本實施例皆係以圖4所示之構造為例加以 說明。 參閱圖6 ,當該複結合螺絲3鎖設物件4 (如木製材 質），其藉由該鑽鎖部33持蹟針對該物件4進行切削，進 入該物件4後，即可連動該第一牙段34之螺牙341進行 切削，而該第一牙段34切削同時，該第二牙段36亦一併 進行輔助切削，亦即該第一牙段34切削物件產生之切屑， 得以受到該第二牙段36斬切，再配合該第二牙段％上之 切刃363設計，使得切屑能加以粉碎化，而粉碎後之切屑 於該複結合螺絲3鎖合過程中，不會受到相互擠壓作用， 6 200928127 故不會對物件4產生排擠效應，藉以避免該物件4產生裂 材情事外，並且該粉碎後之切屑亦不會纏繞於該桿體31 上，所以可增加鎖合速度；再者，該複結合螺絲3鎖合後， 由於該第—牙段36之螺牙361上形成有複數切槽設 5 叶，當其供切屑容置後，得以得到較佳之穩固定位效果， 同和該切槽362得以確實嵌入物件4並適時擋掣，而使該 複結合螺絲3於使用上更具有較佳防鬆、防退效果。 參閱圖7 ’本發明之第四較佳實施例，該複結合螺絲 © 3仍具有桿體31、螺頭32、鑽鎖部33、第一牙段34、及 10 帛二牙段36等構件，且達成之穩固定位、防鬆、防退及 增加鎖合速度等功效均與第—實施例所述相同，恕不詳 述，特別是，本實施例在於該第一牙段34之複數螺牙341 係由一上牙峰342及一下牙峰343所組成，且開設有與一 桿體中心α呈一傾斜角度Θ之複數溝槽35，以使該每一螺 15 牙“I分隔有複數螺牙塊351，且該每一螺牙塊351之兩 側形成有第-、第二端面352、353，且該第一端面脱係 ® &於該上牙峰342之下朝該鑽鎖部33方向設置，同時該 第二端面353係位於下牙峰343之上朝該螺頭32方向設 置，而該第一、第二端面352、353呈相互平行；藉由第 20 一牙段34之該螺牙塊351漸進式導引切屑排出，以使該 纟結合㈣3於切_物件4時，具有較佳排屑與鎖合等 功效。 蒼閱圖8,本發明之第五較佳實施例，其仍具與第一 實施例所述相同之要件，恕不再詳述；特別在於：設於該 Τ 200928127 5 ❹ 10 15 20 第-牙段34上方且鄰近該_32處另增設有—第三牙段 犯，而第三牙段38與該第-牙段34間形成有一無牙區段 37 ;另’該第三牙段38之螺牙381與該第—、第二牙段 34、36之螺牙34卜361係呈相同方向設置，亦或如圖9 所示係呈相反方向設置；是以，除該第_、二牙段％、％ 具切削及排容屬功效外，藉由該無牙區段37與㈣三牙 段38之增設’以提昇該複結合螺絲3之緊密鎖合於複合 物件上。 歸納前述，本發明複結合螺絲於該桿體上形成有第 一、二牙段，藉由該第—牙段新切具有木纖維之物件外， 該第二牙段輔助該第一牙段斬切並可將切屑粉碎，避免該 桿體受到切4之纏繞’而影響鎖合速度，同時鎖合過程中 切屬不會相互㈣而導朗物件裂材，並且鎖合後該複數 :刀槽可確實嵌入該物件，俾達穩固定位且較佳防鬆、防退 等效果，進而達到本發明之目的。 淮以上所述者，僅為說明本發明之較佳實施例而已， 當不能以此限定本發明實施之範圍，即大凡依本發明申請 專利乾圍及發明說明書内容所作之簡單的等效變化與修 飾，皆應仍屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 B1是習知螺絲之鎖合狀態示意圖； 圖2疋本發明第一較佳實施例之立體圖； 圖3疋本發明第二較佳實施例之正視圖； 圖4是該圖二之A部端面剖視圖； 8 200928127 5 圖5是本發明苐三較佳實施例之另 圖6 J·气τ @ ^面視圖 疋該第—較佳實施例之鎖合狀態示意圖； 圖7是本發明第吨佳實施例之鎖合狀態示意圖 圖8是本發明第五較佳實施例之鎖合狀態示意圖 是太發ajg筮t ..... 圖 疋本發明第六較佳實施例之鎖合狀態示意圖 【圈式之主要元件代表符號說明】 ❹10 複結合螺絲 螺頭15 ❹ W 20 the first and second segments %, % on the rod 31; wherein the first segment 34 is composed of a plurality of threads 341; and the second segment is from the drill portion 33 is extended to the rod body 31 in the direction of the screw head 32, and the second tooth segment 36 is also spirally surrounded by a plurality of threaded rods 361, and the first and the first tooth slaves are arranged in a wrong manner. And the thread 361 of the second tooth segment 36 is disposed at a position that does not extend to a position below the screw head, and extends to a position below the screw head 32 as shown in FIG. 3, regardless of the figure 2 or FIG. 3' The outer diameter of the thread of the second tooth segment 36 is lower than the outer diameter D of the thread of the first tooth segment 34, and the following operation is illustrated by taking FIG. 2 as an example. Referring to FIG. 4, the second tooth segment 36 is Each of the screw teeth 361 is provided with a plurality of slots 362, and each of the slots 362 extends outwardly to form a second cutting edge 363. The cutting forces 363 can be adjacent to each other to make the complex screw 3 The embodiment may be described as an example in which the configuration shown in FIG. 4 is taken as an example of a continuous arrangement or a discontinuous arrangement as shown in FIG. 5. Referring to FIG. 6 , when the composite screw 3 locks the object 4 (such as a wooden material), the workpiece is cut by the drill lock 33, and after entering the object 4, the first tooth can be linked. The thread 341 of the segment 34 is cut, and the second segment 34 is simultaneously cut, and the second segment 36 is also assisted to cut, that is, the chip generated by the first segment 34 is cut by the object. The second tooth segment 36 is cut and matched with the cutting edge 363 of the second tooth segment, so that the chips can be pulverized, and the smashed chips are not squeezed during the locking process of the composite screw 3 The pressing action, 6 200928127, does not cause a crowding effect on the object 4, in order to avoid the cracking of the object 4, and the chip after the crushing does not wrap around the rod 31, so that the locking speed can be increased; Moreover, after the double-combined screw 3 is locked, since the plurality of slits are formed on the thread 361 of the first tooth segment 36, when the chip is accommodated, a better stable fixing effect is obtained, and the same The slot 362 is surely embedded in the object 4 and is timely blocked The binding the complex to the screw 3 is more preferred to use a locking, return-preventing effect. Referring to FIG. 7 'the fourth preferred embodiment of the present invention, the composite screw © 3 still has a member such as a rod 31, a screw head 32, a drill portion 33, a first tooth segment 34, and a 10 second tooth segment 36. And the effects of achieving stable position, anti-looseness, anti-backing, and increasing the locking speed are the same as those described in the first embodiment, and are not described in detail. In particular, the embodiment is based on the plurality of snails of the first segment 34. The tooth 341 is composed of an upper tooth peak 342 and a lower tooth peak 343, and is provided with a plurality of grooves 35 at an oblique angle 与 to the center α of a rod body, so that each of the screw teeth 15 is separated by a plurality a threaded block 351, and the first and second end faces 352, 353 are formed on both sides of the threaded block 351, and the first end face is detached from the upper teeth 342 toward the drill lock The portion of the portion 33 is disposed, and the second end surface 353 is disposed above the lower peak 343 toward the screw head 32, and the first and second end surfaces 352, 353 are parallel to each other; The screw block 351 progressively guides the chip discharge so that the cymbal combines (4) 3 with the cutting object 4 to have better chip removal and locking effects. Referring to Figure 8, the fifth preferred embodiment of the present invention still has the same requirements as those described in the first embodiment, and will not be described in detail; in particular, it is located at the Τ200928127 5 ❹ 10 15 20 A third segment is additionally disposed above and adjacent to the segment 34, and an edentulous segment 37 is formed between the third segment 38 and the first segment 34; and the third segment 38 The thread 381 is disposed in the same direction as the thread of the first and second segments 34 and 36, or is disposed in the opposite direction as shown in FIG. 9; The segment %, % has the function of cutting and discharging, and the addition of the edentulous segment 37 and the (four) three-tooth segment 38 is used to enhance the tight fitting of the composite screw 3 to the composite member. The invention combines a screw to form a first and a second tooth segment on the rod body, and the second tooth segment assists the first tooth segment to be cut and can be cut by newly cutting the object having the wood fiber The chip is smashed to prevent the rod from being twisted by the cutting 4', which affects the locking speed, and at the same time, the cuttings do not cross each other during the locking process, and the material is broken. After the locking, the plurality of sipe can be embedded in the object, and the shackle can be stably fixed and better anti-loose, anti-back and the like, thereby achieving the object of the present invention. The scope of the present invention is not limited thereto, and the simple equivalent changes and modifications made by the present invention in the scope of the present invention are still within the scope of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS B1 is a schematic view of a lock state of a conventional screw; FIG. 2 is a perspective view of a first preferred embodiment of the present invention; FIG. 3 is a front view of a second preferred embodiment of the present invention; Figure 2 is a cross-sectional view of the A portion of the second embodiment; 8 200928127 5 Figure 5 is a schematic view of the locking state of the first preferred embodiment of the third preferred embodiment of the present invention; Figure 7 is a schematic view of the locking state of the first preferred embodiment; FIG. 8 is a schematic view showing the lock state of the fifth preferred embodiment of the present invention. FIG. 8 is a schematic view of the lock state of the fifth preferred embodiment of the present invention. FIG. 8 is a sixth preferred embodiment of the present invention. Schematic diagram of the lock state Component symbol description] ❹10 complex combination screw screw head
15G 34 第一牙段 342 上牙峰 36 第二牙段 362 切槽 a 桿體中心 35 溝槽 352 、 353 第一、第二端面 38 第三牙段 31 桿體 33 鑽鎖部 341 、 361 螺牙 343 下牙峰 D ' d 螺牙外徑 363 切刃 Θ 傾斜角度 351 螺牙塊 37 無牙區段15G 34 First tooth segment 342 Upper tooth peak 36 Second tooth segment 362 Groove a Rod center 35 Groove 352, 353 First and second end faces 38 Third segment 31 Rod 33 Drill lock parts 341, 361 Snail Teeth 343 lower tooth peak D ' d screw outer diameter 363 cutting edge 倾斜 tilt angle 351 screw block 37 toothless section