201204934 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明係有關於一種風扇結構，特別係有關於一種 組合式之扇葉結構。 【先前技#f】 [0002] 如第1圖所示，習知一風鼓扇葉結構10係以一成型模 具（圖未繪出）藉由射出成型方法製造，該風鼓扇葉結構 10包含一底座11、一設置於該底座11之輪轂12、一框體 13及複數個連接該框體13及該底座11之葉片14，該風鼓 扇葉結構10為了達到高靜壓效能，通常會增加葉片數量 並且縮小該些葉片14間之間距D，因此亦造成該模具之加 工困難，並且必須利用線切割或放電處理方法以加工完 成該成型模具，因此造成生產成本增加，且因縮小該間 距D亦會造成該模具之強度變弱及使用壽命變短；此外， 在製造該風鼓扇葉結構10之樣品時，因縮小該些葉片14 間之該間距D，使得較大外徑之成型刀具無法使用而必需 改以較小外徑之成型刀具加工，但因此亦增加了該風鼓 扇葉結構10樣品之製造時間。 【發明内容】 [0003] 本發明之主要目的係在於提供一種風扇結構，其包 ♦—第一葉輪以及一第二葉輪，該第一葉輪係具有一第 一環狀基板、複數個第一肋部及複數個第一葉片，該第 一環狀基板係具有一第一外侧面、一對應該第一外側面 之第一内侧面、一連接該第一外側面及該第一内側面之 第一下表面，以及一對應該第一下表面之第一上表面， 099123750 表單編號A0101 第4頁/共20頁 0992041831-0 201204934 該些第一肋部及該些第一葉片係形成於該第一環狀基板 ’且各該第一肋部係具有一結合孔，以及該些相鄰之第 —葉片間係具有一第一容置空間，該第二葉輪係具有一 - 輪較、一第二環狀基板、複數個第二肋部'複數個第二 葉片及至少一形成於該些第二肋部之結合件，該第二環 狀基板係具有一第二外侧壁、一第二内側壁、一連接該 第二外側壁及該第二内侧壁之第二上表面，以及一對應 s亥第二上表面之第二下表面，該些第二肋部及該些第二 0 葉片係形成於該第二環狀基板，且該些相鄰之第二葉片 間係具有一第二容置空間，該第一葉輪係以該第一環狀 基板之該第一下表面朝向該第二葉輪之第二環狀基板之 該第二上表面並與該第二葉輪結合，且該第二葉輪之該 結合件係插設於該第一葉輪之該結合孔’各該第一葉片 係分別位於該第二容置空間以及各該考士葉片係分別位 於該第一容置空間，該些第一葉片及該些第二葉片係為 間隔排列。 〇 t〇〇〇4] 本發明之該風扇結構係分別製_造該第一葉輪以及該 第二葉輪，使得該第一葉輪之該些第一葉片及該第二葉 輪之該些第二葉片易於製造，且藉由該第二葉輪之該結 合件插設於該第一葉輪之該結合孔，以使該第一葉輪結 合固定於該第二葉輪，並使各該第一葉片分別位於該第 二容置空間以及各該第二葉片分別位於該第一容置空間 ’以達到增加該風扇結構之扇葉的目的。此外，在分另|J 製作該第一葉輪及該第二葉輪之成型模具時，可降低成 型模具之製造困難度，並可提高該成型模具強度及延長 099123750 表單編號 A0101 第 5 頁/共 20 ! 0992041831-0 201204934 遠成型模具使料命。再者，在分別製造該第—葉輪及 該第二葉輪之樣品時，可以較大外徑之成型刀具製造加 工6亥第一葉輪及該第二葉輪，以節省樣品之加工成本。 【實施方式】 [0005] [0006] 明參閱第2、3及4圖，其係本發明之一較佳實施例， 一種風扇結構1〇〇係包含—第一葉輪以及一第二葉輪 UO，請參閱第2及3圖，該第一葉輪110係具有一第一環 狀基板ill、複數個第一肋部112及複數個第一葉片113 ，該些第一肋部112及該些第一葉片i 13係形成於該第一 %狀基板1 11，在本實施例中，該第一環狀基板〗丨丨係具 有一第一外側面111 a、一對應該第—外側面i U a之第一 内側面111b、一連接該第一外側面1113及該第一内側面 mb之第一下表$lllc，以及一對應該第一下表面mc 之第一上表面11 Id，該些第一肋部ι12係形成於該第一内 側面mb，且各該第一肋部112係具有一結合孔1123， 該些第一葉片113係形成於該講一下表面lllc，且該些相 鄰之第一葉片113間係具有一第—容置空間81，在本實施 例中，各該第一葉片113係包含肴二第一外葉片113a及一 第一内葉片113b，該第一外葉片113a係凸出於該第一環 狀基板111之該第一外侧面111 a，該第一内葉片113 b係 凸出於該第一環狀基板1 11之該第一下表面111c。 請參閱第2及4圖’該第二葉輪120係具有一輪較121 、一第二環狀基板122、複數個第二肋部123、複數個第 二葉片124及至少一形成於該些第二肋部123之結合件 1 2 5，该第二環狀基板12 2係圍繞該輪較121，該些第二 099123750 表單編號A0101 第6頁/共20頁 0992041831-0 201204934 肋部123係位於該第二環狀基板122及該輪轂12〗之間， 在本實施例甲，各該第二肋部123之二端係分別連接該第 二環狀基板122及該輪轂121，該些第二葉片124係形成 . 於該第二環狀基板1 22，且該些相鄰之第二葉片} 24間係 具有一第二容置空間S2，該第二環狀基板122係具有一第 二外侧面122a、一對應該第二外側面122a之第二内側面 I22b、一連接該第二外側面122a及該第二内側面^“之 第二上表面122c，以及一對應該第二上表面122c之第二 下表面122d，該些第二肋部123係形成於該第二内側面 〇 122b ’且各該第二肋部12_具有一頂面123a，該結合 件125係形成於該頂面1233 ,，該些第二葉片124係形成於 該第二上表面122c，在本實施例中，各該第二葉片124係 包含有一第二外葉片12軺及一第二内葉片I24b，該第二 外葉片124a係凸出於該第二環狀基板122之該第二外側面 122a，該第二内葉片124b係凸出於該第二環狀基板122 之該第二上表面122c 〇 Q [〇〇〇7] 請參閱第2、5展6圖，將該第一葉輪110與該第二葉 輪120結合，其中該第一環狀基板lu之該第一下表面 111c係朝向該第二環狀基板丨22之該第二上表面i22c， 各該第一葉片113係分別位於該第二容置空間S2，以及各 該第二葉片124係分別位於該第一容置空間S1，各該第一 葉片113與各該第二葉片j24係為間隔排列，且該些第一 葉片11 3及該些第二葉片i 24係圍繞該第二葉輪！ 2〇之該 輪轂121，該第二葉輪12〇之該結合件125係插設於該第 一葉輪110之該結合孔112a。 099123750 表單編號A0101 第7頁/共20頁 0992041831-0 201204934 [_8] 請參閱第2、3、5及6圖，在本實施例中，該第_葉 輪11 0係另具有至少一對形成於該些第一肋部112之導接 片114，該對導接片114間係具有一導引槽114a，該導引 槽114 a係連通该結合孔112 a ’該結合件12 5係插設於該 導引槽114a。 [0009] 請參閱第2、6、7及8圖，其中各該第一肋部112係具 有一表面112b及一凹設於該表面112b之卡接槽i12c，該 卡接槽112 c係連通該結合孔112 a，該結合件12 5係具有 一環面125a及至少一凸設於該環面125a之卡掣部125b， 5玄卡掣部125b係卡設於該卡接槽π2c，請參閱第6圖， 較佳地，各該第二肋部123係被.夾設於各該對導接片114 間，以增加該第一葉輪110及該第二葉輪12〇之結構強度 。由於本發明係分別製造該第一葉輪11α以及該第二葉輪 120，使得該第一葉輪ι10之該些第一葉片113及該第二 葉輪120之該些第二葉片124易於製造，且藉由該第二葉 輪120之該結合件125插設於該第一葉輪no之該結合孔 112a，以使該第一葉輪1〗〇、结合固定於該第二葉輪12〇 ’ 並使各該第一葉片113分別位於該第二容置空間S2以及各 該第二葉片124分別位於該第一容置空間S1，以達到增加 β亥風扇結構之扇葉目的；此外，在分別製作該第一葉輪 110及該第二葉輪12〇之成型模具時，由於該第一葉輪 110之各該第一葉片113間的間距較大，以及該第二葉輪 120之各該第二葉片！24間的間距較大，因此可降低成型 模具之製造困難度，並可提高該成型模具強度及延長該 成型模具使用壽命。 099123750 表單編號A0101 第8頁/共20頁 0992041831-0 201204934 [0010] ο [0011] 〇 此外，請再參閱第2、3及4圖，在本實施例中，該第 一葉輪110係另具有複數個第三肋部115及至少一形成於 該些第三肋部115之插接柱116，該第二葉輪120係具有 複數個第四肋部126及至少一形成於該些第四肋部126之 插接座127，該插接柱116係插設於該插接座127，在本 實施例中，該插接座127係具有一插接槽127a，各該插接 槽127a係貫穿各該第四肋部126 ’且該插接柱116係插設 於該插接座127之該插接槽127a，以增加該第一葉輪11〇 及该第二葉輪120之結合強度'較佳地，請再參閱第4圖 ，在本實施例中’各該第二肋部123係具有一第一寬度L1 ，各該第四胁部126係具有一第二寬度L2，該第二寬度L2 係大於該第一寬度Li，以使讓風扇結構1〇〇之複數個通風 口Η，具有較佳之通風量，以增加散熱效率。 本發明之保護範圍當視後附之申請專利範圍所界定 者為準，任何熟知此項技藝者，在不脫離本發明之精神 和範圍内所作之任何變化與修改均屬於本發明之保護 範圍。 【圖式簡單說明】201204934 VI. Description of the Invention: [Technical Field of the Invention] [0001] The present invention relates to a fan structure, and more particularly to a combined blade structure. [Previous Technique #f] [0002] As shown in Fig. 1, a conventional air blower blade structure 10 is manufactured by a molding method (not shown) by an injection molding method, and the wind drum blade structure 10 The utility model comprises a base 11 , a hub 12 disposed on the base 11 , a frame 13 and a plurality of blades 14 connecting the frame 13 and the base 11 , wherein the fan blade structure 10 is generally used for achieving high static pressure performance. The number of blades is increased and the distance D between the blades 14 is reduced, so that the processing of the mold is also difficult, and the molding die must be processed by a wire cutting or electric discharge treatment method, thereby causing an increase in production cost, and The spacing D also causes the strength of the mold to be weakened and the service life to be shortened; moreover, in the manufacture of the sample of the drum blade structure 10, the smaller outer diameter is caused by reducing the spacing D between the blades 14. The forming tool cannot be used and must be machined with a smaller outer diameter forming tool, but this also increases the manufacturing time of the drum blade structure 10 sample. SUMMARY OF THE INVENTION [0003] The main object of the present invention is to provide a fan structure, which includes a first impeller and a second impeller, the first impeller having a first annular substrate and a plurality of first ribs And a plurality of first blades, the first annular substrate having a first outer side surface, a first inner side surface corresponding to the first outer side surface, and a first outer side surface and the first inner side surface a lower surface, and a pair of first upper surfaces that should be the first lower surface, 099123750 Form No. A0101 Page 4 / Total 20 pages 0992041831-0 201204934 The first ribs and the first blade systems are formed in the first An annular substrate 'and each of the first ribs has a coupling hole, and the adjacent first-blade system has a first accommodating space, and the second impeller has a - wheel comparison, a first a second annular substrate, a plurality of second ribs, a plurality of second blades, and at least one joint formed on the second ribs, the second annular substrate having a second outer sidewall and a second inner side a wall, a connecting the second outer sidewall and the second inner sidewall a second upper surface, and a second lower surface corresponding to the second upper surface of the second surface, the second ribs and the second 0-blade are formed on the second annular substrate, and the adjacent ones The second inter-blade has a second accommodating space, the first impeller is oriented with the first lower surface of the first annular substrate facing the second upper surface of the second annular substrate of the second impeller The second impeller is coupled, and the coupling member of the second impeller is inserted into the coupling hole of the first impeller. The first blade system is respectively located in the second accommodating space and each of the kiosk blade systems respectively Located in the first accommodating space, the first blades and the second blades are arranged at intervals. The fan structure of the present invention is configured to respectively form the first impeller and the second impeller such that the first vanes of the first impeller and the second vanes of the second impeller It is easy to manufacture, and the coupling member of the second impeller is inserted into the coupling hole of the first impeller, so that the first impeller is coupled and fixed to the second impeller, and each of the first blades is located at the same The second accommodating space and each of the second blades are respectively located in the first accommodating space 'to achieve the purpose of increasing the fan blades of the fan structure. In addition, when the molding die of the first impeller and the second impeller is made separately, the manufacturing difficulty of the molding die can be reduced, and the strength of the molding die can be improved and the length of the molding die can be increased. 099123750 Form No. A0101 Page 5 of 20 0992041831-0 201204934 The far-formed mold makes the material life. Furthermore, when the samples of the first impeller and the second impeller are separately manufactured, the first impeller and the second impeller can be manufactured with a larger outer diameter forming tool to save the processing cost of the sample. [0006] [0006] [0006] Referring to Figures 2, 3 and 4, which are a preferred embodiment of the present invention, a fan structure 1 includes a first impeller and a second impeller UO. Referring to FIGS. 2 and 3, the first impeller 110 has a first annular substrate ill, a plurality of first ribs 112, and a plurality of first blades 113, the first ribs 112 and the first ones. The blade i 13 is formed on the first %-shaped substrate 11 . In the embodiment, the first annular substrate has a first outer side surface 111 a and a pair of first-outer side surfaces i U a a first inner side surface 111b, a first lower surface $lllc connecting the first outer side surface 1113 and the first inner side surface mb, and a first upper surface 11 Id corresponding to the first lower surface mc, the first A first rib 112 is formed on the first inner side mb, and each of the first ribs 112 has a coupling hole 1123 formed on the surface lllc, and the adjacent ones are adjacent to each other. The first blade 113 has a first accommodating space 81. In the embodiment, each of the first blades 113 includes a first outer blade 113a and a first inner blade 113b protruding from the first outer side surface 111a of the first annular substrate 111, the first inner blade 113b protruding from the first annular substrate The first lower surface 111c of 1-11. Referring to FIGS. 2 and 4, the second impeller 120 has a wheel 121, a second annular substrate 122, a plurality of second ribs 123, a plurality of second blades 124, and at least one formed in the second a coupling member 152 of the rib 123, the second annular substrate 12 2 surrounds the wheel 121, and the second 099123750 form number A0101 page 6 / 20 pages 0992041831-0 201204934 rib 123 is located in the Between the second annular substrate 122 and the hub 12, in the embodiment A, the two ends of the second ribs 123 are respectively connected to the second annular substrate 122 and the hub 121, and the second blades The second annular substrate 122 has a second accommodating space S2, and the second annular substrate 122 has a second outer surface. 122a, a pair of second inner side surfaces I22b of the second outer side surface 122a, a second upper surface 122c connecting the second outer side surface 122a and the second inner side surface, and a pair of upper second surface 122c a second lower surface 122d, the second ribs 123 are formed on the second inner side 〇122b' and each of the second ribs 1 2_ has a top surface 123a, the bonding member 125 is formed on the top surface 1233, and the second blades 124 are formed on the second upper surface 122c. In this embodiment, each of the second blades 124 is A second outer blade 12a and a second inner blade I24b are protruded from the second outer surface 122a of the second annular substrate 122. The second inner blade 124b is convex. The second upper surface 122c of the second annular substrate 122 is 〇Q [〇〇〇7]. Referring to Figures 2 and 5, the first impeller 110 is coupled to the second impeller 120. The first lower surface 111c of the annular substrate lu faces the second upper surface i22c of the second annular substrate 22, and each of the first blades 113 is located in the second accommodating space S2, and each of the first The second blades 124 are respectively located in the first accommodating space S1, and the first blades 113 and the second blades j24 are arranged at intervals, and the first blades 11 3 and the second blades i 24 are Surrounding the second impeller! 2, the hub 121, the coupling member 125 of the second impeller 12 is inserted into the first impeller 110. Bonding hole 112a. 099123750 Form No. A0101 Page 7 / Total 20 pages 0992041831-0 201204934 [_8] Please refer to Figures 2, 3, 5 and 6, in this embodiment, the first impeller 11 0 has at least another A pair of guiding strips 114 are formed on the first ribs 112. The pair of guiding strips 114 have a guiding groove 114a. The guiding groove 114a communicates with the coupling hole 112a'. The 5 series is inserted into the guiding groove 114a. [0009] Referring to Figures 2, 6, 7, and 8, each of the first ribs 112 has a surface 112b and a latching groove i12c recessed in the surface 112b. The latching slot 112c is connected. The coupling hole 112 a has a ring surface 125 a and at least one latch portion 125 b protruding from the ring surface 125 a. The bottom card portion 125 b is latched in the latching groove π 2 c. In the sixth embodiment, each of the second ribs 123 is sandwiched between the pair of guiding pieces 114 to increase the structural strength of the first impeller 110 and the second impeller 12 . Since the first impeller 11α and the second impeller 120 are separately manufactured, the first vane 113 of the first impeller 1010 and the second vane 124 of the second impeller 120 are easily manufactured, and The coupling member 125 of the second impeller 120 is inserted into the coupling hole 112a of the first impeller no, so that the first impeller 1 is coupled to the second impeller 12〇' and the first one is The blades 113 are respectively located in the second accommodating space S2 and the second blades 124 are respectively located in the first accommodating space S1 to achieve the purpose of increasing the fan blade structure of the β hai fan structure; further, the first impeller 110 is separately fabricated. And the molding die of the second impeller 12〇, because the spacing between the first blades 113 of the first impeller 110 is large, and the second blades of the second impeller 120 are! The spacing between the 24 spaces is large, so that the manufacturing difficulty of the molding die can be reduced, and the strength of the molding die can be improved and the service life of the molding die can be prolonged. 099123750 Form No. A0101 Page 8 / Total 20 Page 0992041831-0 201204934 [0011] Further, please refer to Figures 2, 3 and 4 again. In this embodiment, the first impeller 110 has another a plurality of third ribs 115 and at least one of the first ribs 126 formed on the third ribs 115, the second impeller 120 having a plurality of fourth ribs 126 and at least one formed on the fourth ribs The socket 127 of the 126 is inserted into the socket 127. In the embodiment, the socket 127 has a socket 127a, and each of the sockets 127a runs through the sockets 127a. The fourth rib 126 ′ and the insertion post 116 are inserted into the insertion slot 127 a of the socket 127 to increase the bonding strength of the first impeller 11 〇 and the second impeller 120. Referring to FIG. 4 again, in the embodiment, each of the second ribs 123 has a first width L1, and each of the fourth flank portions 126 has a second width L2, and the second width L2 is It is larger than the first width Li, so that the plurality of vents of the fan structure 1 are Η, and the ventilation amount is better to increase the heat dissipation efficiency. The scope of the present invention is defined by the scope of the appended claims, and any changes and modifications may be made without departing from the spirit and scope of the invention. [Simple description of the map]
體分解圖。 一較佳實施例，一種風扇結構之立Body decomposition diagram. A preferred embodiment, a fan structure
葉輪立體圖。 一較佳實施例，該風扇結構之第Stereo perspective view. a preferred embodiment, the fan structure
葉輪立體圖。 一較佳實施例，該風扇結構之第二 099123750 表單編號Α0101 第9頁/共20頁 0992041831-0 201204934 第5圖 圖。 依據本發明之— 較佳實施例，該風扇 結構之立體 第6圖 立體圖 依據本發明之-較佳實施例，該風扇結構之另 第7圖：依據本發明之-較佳實施例，該風扇結構之上視 圖。 第8圖：依據本發明之一較佳實施例，該風扇結構沿第7 圖A-A方向之截面示意圖。 099123750 【主要元件符號說明】 [0013] 10風鼓扇葉結構 11底座 12輪轂 13框體 14葉片 10 0風扇結構 110第一葉輪 111第一環狀基板 111 a第一外側面 111 b第一内側面 111c第一下表面 llld第一上表面 11 2第一勘部 112a結合孔 11 2 b表面 112c卡接槽 113第一葉片 113a第一外葉片 113b第一内葉片 114導接片 114a導引槽 115第三肋部 116插接柱 120第二葉輪 121輪轂 122第二環狀基板 12 2 a第二外側面 12 2 b第二内側面 122c第二上表面 122d第二下表面 12 3第二肋部 123a頂面 124第二葉片 表單編號A0101 帛 10頁/共20頁 0992041831-0 201204934 124a第二外葉片 125結合件 125b卡掣部 127插接座 S1第一容置空間 ' D間距 L1第一寬度 〇 124b第二内葉片 1 2 5 a環面 126第四肋部 127a插接槽 S2第二容置空間 Η進出風口 L2第二寬度 099123750 表單編號Α0101 第11頁/共20頁 0992041831-0Stereo perspective view. A preferred embodiment, the second structure of the fan structure 099123750 Form number Α 0101 Page 9 / Total 20 pages 0992041831-0 201204934 Figure 5 Figure. In accordance with a preferred embodiment of the present invention, a perspective view of the fan structure in accordance with a preferred embodiment of the present invention, and a seventh embodiment of the fan structure: in accordance with a preferred embodiment of the present invention, the fan Above view of the structure. Figure 8 is a cross-sectional view of the fan structure taken along the line A-A of Figure 7 in accordance with a preferred embodiment of the present invention. 099123750 [Description of main component symbols] [0013] 10 wind drum blade structure 11 base 12 hub 13 frame 14 blade 10 0 fan structure 110 first impeller 111 first annular substrate 111 a first outer side 111 b first inside Side surface 111c first lower surface 111d first upper surface 11 2 first surveying portion 112a coupling hole 11 2 b surface 112c snap groove 113 first blade 113a first outer blade 113b first inner blade 114 guiding piece 114a guiding groove 115 third rib 116 insertion post 120 second impeller 121 hub 122 second annular substrate 12 2 a second outer side 12 2 b second inner side 122c second upper surface 122d second lower surface 12 3 second rib Part 123a top surface 124 second blade form number A0101 帛 10 pages / total 20 pages 0992041831-0 201204934 124a second outer blade 125 joint member 125b latch portion 127 socket seat S1 first accommodation space 'D pitch L1 first Width 〇 124b Second Inner Blade 1 2 5 a Annular Surface 126 Fourth Rib 127a Insert Slot S2 Second accommodating Space 出 Inlet Air vent L2 Second Width 099123750 Form No. 1010101 Page 11 / Total 20 Page 0992041831-0