201231830 六、發明說明： 【發明所屬之技術領域】 本創作是一種螺絲’特別是指可轉^ 博固攻入工件，且具 有良好排屑攻效之攻牙螺絲。 【先前技術】 的尖端抵頂在工件 牙部對工件進行刨201231830 VI. Description of the invention: [Technical field to which the invention belongs] This creation is a type of screw, in particular, a tapping screw that can be rotated into a workpiece and has a good chip removal effect. [Prior Art] The tip of the tip is used to plan the workpiece in the tooth of the workpiece.
一般攻牙螺絲係利用其具有螺牙 上’利用工具旋轉螺絲，使螺絲上的螺 削、攻牙’而將螺絲螺入工件中固定。 以攻牙螺絲螺入木質工件為例，蟫 吝A 4· P 螺牙部係刨削木板而 產生木屑’隨著螺絲螺入木板的深度越深，伴隨 的木屑；隨著木屑的累積、阻塞，阻礙螺絲螺入木板，所 ^用者必須使収大的力量旋轉螺絲，造成攻人過程不 =若：加旋轉的力量大過該螺絲剛性所能承受的力， 可flb導致崩牙之情形。 【發明内容】 有馨於習用的螺絲導屑不良之情形…，本創作係 供-種攻牙螺絲’以期達到良好的排屑功效的目的。‘ 為達前揭目的，本創作所採用的技術手段是提供一種 牙螺絲，其包含有： 一桿體； 一工具頭部’係一體形成於該桿體之上端； —作用部，係一體形成於該桿體之下端，具有一軸向 201231830 —尺寸漸縮的尖錐體， 該螺牙部自該尖錐體下 延伸的中心線，該作用部末端形成 該作用部的外周面形成一螺牙部， 端朝上螺旋延伸； 一割尾槽’形成在該作用部上，且位於該中心線前 側，係自該尖錐體起始而朝上延伸—段預設的距離，該巧 尾槽具有側邊相接的一第一槽面及—第二槽面，該第二槽 面係，’其延伸方向係相對該中心線的延伸方向朝右 傾斜，且該割尾槽第二槽面下端高於其第-槽面下端； -第-排屬槽，形成在該作用部上，該第一排屑槽鄰 近該割尾槽的第二槽面而與該割尾槽成間隔排列，該第一 排屑槽具有側邊相接的一第一槽面與一第二槽面，該第— 排屑槽的第一槽面传—Ψ .r. ττ- τ 面；以及 而平行於該割尾槽的第二槽 -第二排屑槽’形成在該作用部上，其具有側邊相接 的-第-槽面與一第二槽面，該第二排屬槽的第一槽面係 -平面，該第二排屑槽下端高於該尖錐體的尖端。 在攻牙螺絲螺入工件時，利用攻牙螺絲上斜切成形的 割尾槽，該割尾槽的第一槽面，可提供較大的第一槽面 積，提升其攻牙螺絲的鑽孔及攻牙能力；此外，該第一排 屑槽與該第二排屑槽提供空間’以容置螺絲在螺入的過程 中所產生的碎4 ’在螺絲螺人工件的過財，將該些碎屑 藉由螺牙部間的螺旋道排出，避免碎屬累積在螺絲的四 周，而阻礙螺絲螺入工件中。 【實施方式】 201231830 工 胡參考圖1與圖2所示，其包含有含一桿體1〇、▲ 具頭部2 0、— 用立r q π 卞用邠30、一割尾槽4〇、一第一排屑槽41 及一第二排屑槽42。 «亥工具頭部20係一體形成於該桿體1 〇之上端，其相 較梓體1 0具有較大外徑，用以提供工具，例如電動工具 或螺絲起子等連接其上，而能被帶動旋轉。 〃In general, the tapping screw is screwed into the workpiece by using a screw on the screw to rotate the screw on the screw and tapping the screw. For example, the tapping screw is screwed into the wooden workpiece. The 蟫吝A 4· P thread is used to plan the wood to produce wood chips. The deeper the screw is screwed into the board, the accompanying wood chips; the accumulation and blockage of the wood chips , to prevent the screw from screwing into the wood, the user must make the power to rotate the screw, causing the attacking process not = if: the force of the rotation is greater than the force that the screw can bear, the situation of the flange can be caused by flb . [Summary of the Invention] In the case where the screw guide vanes which are accustomed to the conventional use are bad..., this creation is for the purpose of achieving a good chip removal effect. In order to achieve the goal, the technical means adopted in this creation is to provide a tooth screw, which comprises: a rod body; a tool head portion is integrally formed on the upper end of the rod body; At the lower end of the rod body, there is an axial 201231830-shaped tapered cone, the threaded portion extends from a center line extending below the tip cone, and the end of the action portion forms an outer peripheral surface of the acting portion to form a screw a tooth portion, the end is upwardly spirally extended; a cutting tail groove is formed on the action portion and located on the front side of the center line, starting from the tip cone and extending upwards - a predetermined distance of the segment, the tail The groove has a first groove surface and a second groove surface which are connected to each other, the second groove surface, the extension direction thereof is inclined to the right with respect to the extending direction of the center line, and the second groove of the cutting groove The lower end of the surface is higher than the lower end of the first groove surface; the first row of the groove is formed on the action portion, and the first chip groove is adjacent to the second groove surface of the tail groove and is spaced apart from the tail groove The first chip flute has a first groove surface and a second groove surface which are joined at the side, a first groove surface of the first chip flute transmits a Ψ.r. ττ-τ surface; and a second groove-second chip flute parallel to the tail groove is formed on the action portion, which has The first groove surface and the second groove surface are adjacent to each other, and the second groove surface of the second row is a plane-plane, and the lower end of the second chip groove is higher than the tip end of the tip cone. When the tapping screw is screwed into the workpiece, the slitting groove formed by the tapping screw is used, and the first groove surface of the cutting tail groove can provide a larger first groove area and the drill for lifting the tapping screw Hole and tapping ability; in addition, the first chip flute and the second chip flute provide space to accommodate the broken screw generated during the screwing process of the screw 4' The debris is discharged by the spiral passage between the teeth, so that the debris is accumulated around the screw and the screw is prevented from being screwed into the workpiece. [Embodiment] 201231830 Worker Hu refers to FIG. 1 and FIG. 2, and includes a rod body 1〇, a ▲ head portion 20, a vertical rq π 卞 邠 30, a cutting tail groove 4〇, A first chip flute 41 and a second chip flute 42. The «Hai tool head 20 series is integrally formed on the upper end of the rod body 1 , and has a larger outer diameter than the body 10 to provide a tool, such as a power tool or a screwdriver, to be connected thereto. Drive the rotation. 〃
該作用部30 一體形成於桿體10之下端，具有-轴向 延伸的中心線3GG，該作用部末端形成—尺寸漸縮的尖錐 體31 ’該作用部30的外周面形成一螺牙部3〇1，該螺牙 部301自該尖錐體31下端朝上螺旋延伸。 該割尾槽40形成於該作用部3〇上，且位於該中心線 3〇〇前側，該割尾槽4〇是自尖錐體31起始而朝上延伸一 段預設的距離，該割尾槽4〇具有側邊相接的一第—槽面 401及一第二槽面4〇2 ’該第一槽面4〇1的外緣在螺牙部 3〇1形成切削刀部403,該第二槽面4〇2係一平面，該第 -槽面4G2的延伸方向係相對該中心線綱朝右傾斜，且 忒cj尾槽40第二槽面4〇2下端高於其第一槽面下 知’使該第一槽面401分佈於該中心線3〇〇兩側。 該第一排屑槽41形成在該作用部30上，係鄰近該割 尾槽40的第二槽面4〇2而與㈣尾槽4〇㈣㈣i & 具有側邊相接的一第一槽面411及一第二槽面412,該第 排屑槽41第一槽面41】係一平面而平行於該割尾槽4〇 的第二槽面402。 该第二排屑槽42形成在該作用部3〇上，且其下端高 於該尖錐體31的尖端，且可與該割尾槽與第―排屑槽 201231830 41刀離。又置，5亥第二排屑槽42具有側邊相接的第一槽面 421及第二槽面422，第一槽面421係一平面，該第二槽 面422可位在該第一槽面421的左侧或右側（如圖彳1、圖 13所不），第一槽面421延伸方向可與該桿體1〇的延伸方 向相同，或相對該中心線3〇〇傾斜，如圖2所示，在第— 較佳實施例中，該第二排屑# 42係成形在該第一排屑槽 41的上方，且其第—槽面421的延伸方向與該中心線鳩 的延伸方向相同；或如0 3所示’於第二較佳實施例中， 該第二排屑槽42 端可連通該第一排屑槽41上端。 請參考圖4所示，該割尾槽4〇第一槽面4〇1下端可 自該尖錐體31尖端起始；請參考圖5所示，該割尾槽 第-槽面401下端可進一步越過該中心線4，而自該中心 線4後側起始，請參考圖6所示，該割尾槽4〇第一槽面 401下端可位在該中心線4前側，而自該中心線4前^起 始。 請參考圖7至圖9所示之第三較佳實施例，㈣：排 屑槽42可形成在該中心線3〇〇後側’而位在該第一排屑 槽41與該割尾槽40的相對面，於本較佳實施例中，該第 二排屑槽42第-槽面421的延伸方向與該中心線細的 延伸方向相同。 請參考圖10與圖11所示之第吨佳實施例，相較於 圖2所示的第一較佳實施例，割尾槽4〇第二槽面相 對該中心、線300的斜率可較大且使該割尾槽4〇上端進一 步向上延伸’使第四較佳實施例令的割尾# 4〇具有較第 -較佳實施例大的第一槽自401面積，其中該第二排屑槽 201231830 42形成在該割尾槽40與該第一排屑槽々I上方；請參考 圖12與圖1 3所示之第五較佳實施例，該第二排屑槽 形成在該中心線300後側。 請參考圖14與圖15所示第六較佳實施例，係於形成 在該中心線300後側的第二排屑槽42旁形成一第三排屑 槽43，使該第三排屑槽43鄰近該第二排屑槽42的第一槽 面421而與該第二排屑槽42成間隔排列，其中該第三排屑 开热弗一徘屑槽41分離設 槽43係與該割尾槽The action portion 30 is integrally formed at the lower end of the rod body 10, and has an axially extending center line 3GG, and the end portion of the action portion is formed into a tapered cone 31. The outer peripheral surface of the action portion 30 forms a threaded portion. 3〇1, the thread portion 301 extends spirally upward from the lower end of the tip cone 31. The cutting slot 40 is formed on the action portion 3〇 and is located at a front side of the center line 3〇〇. The tail slot 4〇 extends from the tip cone 31 and extends upward by a predetermined distance. The tail groove 4〇 has a first groove surface 401 and a second groove surface 4〇2 that are in contact with each other. The outer edge of the first groove surface 4〇1 forms a cutting blade portion 403 at the thread portion 3〇1. The second groove surface 4〇2 is a plane, the extending direction of the first groove surface 4G2 is inclined to the right with respect to the center line, and the lower end of the second groove surface 4〇2 of the 忒cj tail groove 40 is higher than the first thereof. The first groove surface 401 is distributed on both sides of the center line 3〇〇. The first chip flute 41 is formed on the action portion 30, adjacent to the second groove surface 4〇2 of the cut tail groove 40, and the (4) tail groove 4〇(4)(4) i & a first groove having a side edge The surface 411 and the second groove surface 412, the first groove surface 41 of the first chip groove 41 is a plane parallel to the second groove surface 402 of the cutting groove 4〇. The second chip flute 42 is formed on the action portion 3, and has a lower end higher than the tip end of the nose cone 31, and is detachable from the tail groove and the first chip flute 201231830. Further, the 5th second chip flute 42 has a first groove surface 421 and a second groove surface 422 which are adjacent to each other. The first groove surface 421 is a plane, and the second groove surface 422 can be located at the first The left side or the right side of the groove surface 421 (as shown in FIG. 1 and FIG. 13), the first groove surface 421 may extend in the same direction as the rod body 1〇, or may be inclined with respect to the center line 3〇〇, such as As shown in FIG. 2, in the first preferred embodiment, the second chip removal #42 is formed above the first chip flute 41, and the extending direction of the first groove surface 421 is opposite to the center line. The extension direction is the same; or as shown in FIG. 3', in the second preferred embodiment, the second chip flute 42 end can communicate with the upper end of the first chip flute 41. Referring to FIG. 4, the lower end of the first groove surface 4〇1 of the cutting tail groove 4 can start from the tip end of the tip cone 31; as shown in FIG. 5, the lower end of the first groove surface 401 of the tail groove can be Further, the center line 4 is further crossed, and starting from the rear side of the center line 4, as shown in FIG. 6, the lower end of the first slot surface 401 of the cutting slot 4 can be located on the front side of the center line 4, and from the center Line 4 before ^ start. Referring to the third preferred embodiment shown in FIG. 7 to FIG. 9, (4): the chip flute 42 may be formed on the rear side of the center line 3〇〇 and located in the first chip flute 41 and the cut tail groove. In the preferred embodiment of the present invention, in the preferred embodiment, the second trough groove 42 has a direction in which the first groove surface 421 extends in the same direction as the center line. Referring to the first embodiment shown in FIG. 10 and FIG. 11, the slope of the second groove surface of the tail groove 4 相对 relative to the center and the line 300 can be compared with the first preferred embodiment shown in FIG. Large and making the upper end of the tail slot 4 进一步 further upwards', so that the cutting tail #4〇 of the fourth preferred embodiment has a first slot larger than the first preferred embodiment from the 401 area, wherein the second row The chip flutes 201231830 42 are formed above the cutting tail groove 40 and the first chip flutes I; referring to the fifth preferred embodiment shown in FIG. 12 and FIG. 13 , the second chip flute is formed at the center The rear side of line 300. Referring to the sixth preferred embodiment shown in FIG. 14 and FIG. 15, a third chip flute 43 is formed beside the second chip flute 42 formed on the rear side of the center line 300 to make the third chip flute. 43 adjacent to the second groove surface 421 of the second chip flute 42 and spaced apart from the second chip flute 42, wherein the third chip discharge heat-foller groove 41 separates the groove 43 and the cut Tail groove
第三排屑槽43具有側邊相接的一第一槽面431與一第— 槽面432’該第三排屑槽43的第二槽面432係—平面而平The third chip flute 43 has a first groove surface 431 and a first groove surface 432' which are adjacent to each other. The second groove surface 432 of the third chip flute 43 is flat and flat.
行於該第二排屑槽42的第一描而L 的弟槽面421，本實施例中，該第 一排屬槽42第一槽面421 3.^ ^ λα -»- / 1延伸的方向相對該中心線300 的延伸方向傾斜。 丨、貝丄仟j甲鏆固時 係以該攻牙螺絲作用部3〇的尖端抵靠於工件上，另以 具(如電動工具等)抵接攻牙螺絲之工具頭部2〇旋轉；藉 攻牙螺絲尖端的割尾槽4〇， 曰 使該作用部30更f 槽面4〇1 牙部期與切削…。3對二孔=攻牙螺絲的 好而提升鑽孔及攻牙的效率。 使切削力 第-制槽41與第二利槽4 件被鑽孔及攻牙之後所產生料=:間以收納」 旋轉過程中，可沿斜置的第一排：：=螺入工件0 槽42快速導出 第排屬槽41與第二排』 排出，使排屑過程更力盾I順著螺牙部301的螺旋達 更加㈣，❹碎料於工件 201231830 鑽孔及攻牙間的阻礙。 【圖式簡單說明】 圖1 .本創作第—較佳實施例之立體外觀圖。 圖2:圖1之局部平面示意圖。 圖3 :本創作第二較佳實施例之局部平面示意圖。 圖4〜圖6 :本創作中之割尾槽數種型態示意圖。The first trough surface 421 of the first trough 42 is extended by the first trough surface 421 3.^^ λα -»- / 1 in the second trough 42 The direction is inclined with respect to the extending direction of the center line 300.丨, 丄仟 丄仟 鏆 鏆 鏆 鏆 鏆 鏆 鏆 鏆 鏆 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟 丄仟By the cutting groove 4〇 at the tip end of the tapping screw, the action portion 30 is made more f-groove surface 4〇1 in the period of the tooth and cutting. 3 pairs of two holes = the tapping screw is good to improve the efficiency of drilling and tapping. The cutting force first groove 41 and the second groove 4 are drilled and the material generated after the tapping is replaced by: Between the rotations, the first row which can be inclined along the first row::= screw into the workpiece 0 The trough 42 quickly leads out the discharge of the row of troughs 41 and the second row, so that the chip removal process is more forceful. The spiral of the shield I along the threaded portion 301 is further (4), and the scraping of the workpiece to the workpiece 201231830 is hindered by drilling and tapping. . BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1. A perspective view of a preferred embodiment of the present invention. Figure 2: A partial plan view of Figure 1. Figure 3 is a partial plan view showing the second preferred embodiment of the present invention. Figure 4 to Figure 6: Schematic diagram of several types of cutting grooves in this creation.
圖7 :本創作第三較佳實施例之局部平面示意圖。 圖8:圖7之另一視角平面示意圖。 圖9:圖3之一端面示意圖。 圖1 0 :本創作第四較佳實施例之局部立體外觀圖。 圖11:圖10之平面示意圖。 圖12:本創作第五較佳實施例之局部平面示意圖。 圓13:圖12之另一側面平面示意圖。 圖14:本創作第六較佳實施例之局部平面示意圖。 圖15 :圖14之另一側面平面示意圖。 "Figure 7 is a partial plan view showing the third preferred embodiment of the present invention. Figure 8 is a plan view of another perspective of Figure 7. Figure 9: Schematic diagram of one end of Figure 3. Figure 10 is a partial perspective view of the fourth preferred embodiment of the present invention. Figure 11 is a plan view of Figure 10. Figure 12 is a partial plan view showing the fifth preferred embodiment of the present invention. Circle 13: Schematic diagram of the other side of Figure 12. Figure 14 is a partial plan view showing the sixth preferred embodiment of the present invention. Figure 15 is a plan view showing the other side of Figure 14. "
【主要元件符號說明】 20工具頭部 3〇1螺牙部 401第—槽面 403切削刀部 411第一槽面 1〇桿體 30作用部 31尖錐體 40割尾槽 402第二槽面 41第一排屑槽 8 201231830 412 第二槽面 42 第二 -排屑槽 421 第一槽面 422 第 二槽面 43 第三排屑槽 431 第一槽面 432 第 二槽面[Main component symbol description] 20 tool head 3〇1 screw portion 401 first groove surface 403 cutting blade portion 411 first groove surface 1 mast body 30 action portion 31 tip cone 40 cutting groove 402 second groove surface 41 first chip flute 8 201231830 412 second groove surface 42 second-chip flute 421 first groove surface 422 second groove surface 43 third flute groove 431 first groove surface 432 second groove surface