1334902 九、發明說明： 【發明所屬之技術領域】 本發明與葉輪有關，特別是指一藉 種組裝在某輪中心的葉 輪輪轂。 【先前技術】 S輪被纽地制在各種抽風的設備JL，*—般的葉輪 都έ另外在其中〜又置葉輪輪轂，以供葉輪與旋轉轴组带， 不過以往的和葉輪輪在組裝上，最f見的有第！圖及 •第2圖所表示的兩種方式，是在該葉輪八的中間開設一圓形 - 的穿孔A1，且該穿孔八1周圍等距開設複數排列成圓環狀的 透孔A2,而該葉輪輪穀B穿置於該穿孔A1内，並相對該些 透孔A2開設複數定位孔β卜再以複數定位件c配合該各定 • 位孔B1及該各透孔A2而組合該葉輪A及該葉輪輪穀b，其 令種如第1圖所不’該各透子匕A2及該各定位孔βι内設置 螺紋，該各定位件c則為螺絲，㈣該葉輪a及該葉輪輪穀 B螺鎖組合，另—種如第2圖所示，將該各定位件c穿置於 該各透孔A2及該各定位孔B1内後，令該各定位件c的一端 變形而將該葉輪A及該葉輪輪穀β央摯組合； 不過以往此種使用該些定位件c組合該葉輪Α及該葉輪 輪轂Β的結構，實具有下列缺點： 1334902 (1) 組裝手續複雜：由於該葉輪A與該葉輪輪轂B組 合時，該些透孔A2及該些定位孔B1的數量有多少，就必須 固定上相同數量的定位件C，因此組合該葉輪A與該葉輪輪 轂B的步驟相當繁瑣而成品速率不高。 (2) 製作成本較高：由於該些定位件C與該葉輪A及 該葉輪輪轂B必須分開製造，而該葉輪A與該葉輪輪轂B上 又必須分別開設相對的該些透孔A2及該些定位孔B1，甚至 該些定位孔B1還必須加工成型螺牙以供组合，因此該葉輪 A與該葉輪輪轂B的加工成本較高，還必須另外製作該些定 位件C，故製作成本較高的原因可見一般。 因此本發明人憑藉在抽風裝置領域的執業經驗，針對以 往葉輪與葉輪輪轂間組合的缺點加以改進，進而開發出一種 能夠讓葉輪與葉輪輪轂組合更加快速，且降低製作成本的葉 輪輪轂。 【發明内容】 本發明葉輪輪轂，其在該葉輪輪轂上一體成型出若干凸 柱，供該葉輪輪轂與該葉輪組合，以簡化組合步驟與降低製 作成本。 1334902 為達前述目的，該葉輪輪轂包含一體成型的一軸件及一 固定片，該固定片上又一體成型複數凸柱，以該些凸柱穿置 迫緊於該葉輪的該些透孔，便能直接組合該葉輪與該葉輪輪 轂，不僅省去以往必須另外使用定位件固定的製程，而具有 簡化組合步驟與提升生產速率的效果，且能減少以往製作該 些定位件的步驟與工時，亦能免去在該葉輪輪轂上加工開設 定位孔的步驟與工時，進而達到降低製作成本的功效。 【實施方式】 本發明葉輪輪轂，其與該葉輪A配合的實施例如第3圖 至第4圖所示，該葉輪輪轂D包含： 一軸件D1，其為圓柱狀；以及 一固定片D2，其為圓環狀，且該固定片D2 —體成型於 該軸件D1的徑向外側，該固定片D2上又一體成型複數圓柱 狀的凸柱D3，該些凸柱D3以該軸件D1的軸向方向凸出於 該固定片D2上，該些凸柱D3並在該固定片D2上圍繞該軸 件D1而等距排列呈圓環狀。 當該葉輪輪轂D配合該葉輪A的穿孔A1而組合時，該 葉輪輪轂D能夠以其凸柱D3直接插入該葉輪A的透孔A2令 其迫緊而組合定位，由前述可知，該葉輪輪轂D與以往的葉 1334902 輪輪轂B相較，具有下列優點： (1) 組裝與製作快速：由於該葉輪輪轂D是直接以其 上一體成型的凸柱D3插入該葉輪A的透孔A2來迫緊定位， 不若以往的葉輪輪轂B，必須另行以定位件C組合該葉輪A 與該葉輪輪轂B，可知該葉輪輪轂D在組裝步驟上更為簡易 與快速，製作成品的效率也相對的提昇。 (2) 降低生產成本：由於該些凸柱D3是直接一體成型 於該葉輪輪轂D的固定片D2上，所以可在製造該葉輪輪轂 D時便同時成型（如鑄造等方式），不僅能夠省去以往另外製 作該些定位件C的工時與步驟，且在製作該葉輪輪轂D同時 體成型該些凸柱D3，也較以往在該某輪輪毅B上加工開 設該些定位孔B1來的簡易快速，更不會有必須對該些定位 孔B1加工成型螺牙的困擾，所以各部件的製作成本也能夠 相對的降低。 1334902 【圖式簡單說明】 第1圖 習用葉輪與葉輪輪轂螺鎖組合的示意圖。 第2圖 習用葉輪與葉輪輪轂夾摯組合的示意圖。 第3圖 本發明實施例與葉輪组合的示意圖。 第4圖 本發明實施例與葉輪組合的剖視圖。1334902 IX. Description of the Invention: [Technical Field to Which the Invention Is Alonged] The present invention relates to an impeller, and more particularly to a spoke wheel hub assembled at a center of a wheel. [Prior Art] The S-wheel is made of Newland's various JL equipments, and the impellers are also placed in the impeller hub for the impeller and the rotating shaft. However, the conventional impeller and the impeller wheel are assembled. On the top, the most f see the first! In the two modes shown in Fig. 2 and Fig. 2, a circular-shaped perforation A1 is formed in the middle of the impeller, and the perforation A1 is arranged equidistantly around the perforated octagonal portion A1. The impeller wheel B is inserted into the through hole A1, and a plurality of positioning holes β are opened with respect to the through holes A2, and the impellers are combined with the plurality of positioning holes C1 and the through holes A2 to combine the impellers. A and the impeller dam b, which are arranged such that the respective permeable members 匕A2 and the positioning holes β1 are provided with threads, and the positioning members c are screws, and (4) the impeller a and the impeller wheel The valley B screw combination is another type, as shown in FIG. 2, after the positioning members c are placed in the through holes A2 and the positioning holes B1, the one ends of the positioning members c are deformed. The impeller A and the impeller wheel valley β are combined; however, the conventional use of the positioning member c to combine the impeller and the impeller hub Β has the following disadvantages: 1334902 (1) Assembly procedure is complicated: When the impeller A is combined with the impeller hub B, the number of the through holes A2 and the number of the positioning holes B1 must be fixed. The same number of locating members C, so the step of combining the impeller A with the impeller hub B is rather cumbersome and the finished product rate is not high. (2) The manufacturing cost is relatively high: since the positioning member C and the impeller A and the impeller hub B must be separately manufactured, the impeller A and the impeller hub B must respectively open the opposite through holes A2 and The positioning holes B1, and even the positioning holes B1, must also be machined to form a screw for combination. Therefore, the processing cost of the impeller A and the impeller hub B is relatively high, and the positioning members C must be separately fabricated, so that the manufacturing cost is relatively high. The reason for the high can be seen in general. Therefore, the inventors have improved the disadvantages of the combination of the conventional impeller and the impeller hub by virtue of their experience in the field of exhausting devices, and have developed a vane hub which can make the impeller and the impeller hub combination faster and reduce the manufacturing cost. SUMMARY OF THE INVENTION The impeller hub of the present invention integrally forms a plurality of protrusions on the impeller hub for the impeller hub to be combined with the impeller to simplify the assembly step and reduce the manufacturing cost. 1334902 In order to achieve the above objective, the impeller hub comprises an integrally formed shaft member and a fixing piece, and the fixing piece is further formed with a plurality of protrusions, and the protrusions are urged to be tightly pressed to the through holes of the impeller. The direct combination of the impeller and the impeller hub not only saves the process of separately fixing the positioning member, but also has the effects of simplifying the assembly step and increasing the production rate, and can reduce the steps and working hours of the conventional positioning of the positioning members. The step of processing the positioning hole and the working time on the impeller hub can be eliminated, thereby achieving the effect of reducing the manufacturing cost. [Embodiment] The impeller hub of the present invention is configured to cooperate with the impeller A, as shown in Figs. 3 to 4, the impeller hub D includes: a shaft member D1 which is cylindrical; and a fixing piece D2. It is annular, and the fixing piece D2 is integrally formed on the radially outer side of the shaft member D1. The fixing piece D2 is further formed with a plurality of cylindrical protrusions D3, and the protrusions D3 are formed by the shaft member D1. The axial direction protrudes from the fixing piece D2, and the protrusions D3 are equidistantly arranged in an annular shape around the shaft piece D1 on the fixing piece D2. When the impeller hub D is combined with the perforation A1 of the impeller A, the impeller hub D can be directly inserted into the through hole A2 of the impeller A by its boss D3 to be tightly combined and positioned. As can be seen from the foregoing, the impeller hub Compared with the conventional blade 1334902 wheel hub B, D has the following advantages: (1) Fast assembly and production: Since the impeller hub D is directly inserted into the through hole A2 of the impeller A by the integrally formed boss D3 Tight positioning, unlike the conventional impeller hub B, the impeller A and the impeller hub B must be separately combined with the positioning member C. It can be seen that the impeller hub D is simpler and faster in the assembly process, and the efficiency of the finished product is relatively improved. . (2) Reducing the production cost: since the studs D3 are directly integrally formed on the fixing piece D2 of the impeller hub D, they can be simultaneously molded (such as casting) when manufacturing the impeller hub D, which can save not only In the past, the man-hours and steps of the positioning members C are separately prepared, and the bosses D3 are formed at the same time when the impeller hub D is formed, and the positioning holes B1 are formed on the wheel B. It is simple and quick, and there is no need to process the thread forming holes of the positioning holes B1, so the manufacturing cost of each component can be relatively reduced. 1334902 [Simple description of the diagram] Figure 1 Schematic diagram of the combination of the conventional impeller and the impeller hub screw. Figure 2 Schematic diagram of the combination of a conventional impeller and an impeller hub. Figure 3 is a schematic illustration of an embodiment of the invention in combination with an impeller. Figure 4 is a cross-sectional view of an embodiment of the invention in combination with an impeller.
【主要元件符號說明】 《習用》 葉輪A 穿孔A1 透孔A2 葉輪輪轂B 定位孔B1 定位件C 《本發明》 葉輪A 穿孔A1 透孔A2 葉輪輪轂D 軸件D1 固定片D2 凸柱D3[Main component symbol description] "Use" Impeller A Perforation A1 Through hole A2 Impeller hub B Positioning hole B1 Positioning piece C "Invention" Impeller A Perforation A1 Through hole A2 Impeller hub D Shaft D1 Fixing piece D2 Stud D3