TWM575480U - Fan and impeller thereof - Google Patents
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Abstract
一種風扇及其扇輪，用以解決習知風扇的氣流流動順暢度不佳的問題。該扇輪係包含：一輪轂，具有一連軸部位於一基板的中心；及數個弧形葉片，環設於該連軸部的外周，各該弧形葉片的底緣連接該基板的頂面；其中，該連軸部的中心與各該弧形葉片的內緣具有一第一徑向間距，該連軸部的中心與各該弧形葉片的外緣具有一第二徑向間距，該第一徑向間距與該第二徑向間距的比值為0.3～0.7。A fan and a fan wheel thereof are used to solve the problem that the flow of the conventional fan is not smooth. The fan wheel system includes: a hub having a coupling portion at a center of a substrate; and a plurality of curved blades disposed on an outer circumference of the coupling portion, wherein a bottom edge of each of the curved blades is coupled to a top surface of the substrate The center of the coupling portion has a first radial distance from the inner edge of each of the curved blades, and the center of the coupling portion has a second radial distance from the outer edge of each of the curved blades. The ratio of the first radial spacing to the second radial spacing is between 0.3 and 0.7.
Description
本創作係關於一種風扇及其扇輪，尤其是一種可應用於車輛空調或通風設備等系統中的風扇及其扇輪。The present invention relates to a fan and a fan wheel thereof, and more particularly to a fan and a fan wheel thereof that can be applied to a system such as a vehicle air conditioner or a ventilation device.
請參照第1圖，其係一種習知的風扇9，該習知的風扇9具有一扇輪9a由一定子9b驅動旋轉，該扇輪9a係可旋轉地設於一軸管9c，該扇輪9a具有一轉軸91及連接該轉軸91的一輪轂92，該扇輪9a具有數個扇葉93由底緣連接於該輪轂92的上表面；如此，該習知的風扇9可組裝定位在如車輛空調或通風設備等系統中，以藉由該扇輪9a的旋轉來帶動氣流。Please refer to FIG. 1 , which is a conventional fan 9 having a fan wheel 9 a driven to rotate by a stator 9 a rotatably disposed on a shaft tube 9c, the fan wheel 9a has a rotating shaft 91 and a hub 92 connecting the rotating shaft 91. The fan wheel 9a has a plurality of blades 93 connected to the upper surface of the hub 92 by a bottom edge; thus, the conventional fan 9 can be assembled and positioned. In a system such as a vehicle air conditioner or a ventilation device, the airflow is driven by the rotation of the fan wheel 9a.
然而，上述習知的風扇9，由於該數個扇葉93的葉根至葉尾係形成平直狀，且該數個扇葉93與該輪轂92之尺寸比例並未特別經過測試與調整，使得該數個扇葉93之間的氣流較為紊亂，造成氣流進出風扇的流動順暢度不佳，進而導致易形成擾流及風切噪音。However, the conventional fan 9 has a flat shape from the blade root to the blade tail of the plurality of blades 93, and the size ratio of the plurality of blades 93 to the hub 92 has not been specially tested and adjusted. The airflow between the plurality of blades 93 is disordered, and the flow of the airflow into and out of the fan is unsatisfactory, resulting in easy formation of turbulence and wind-cut noise.
有鑑於此，習知的風扇確實仍有加以改善之必要。In view of this, the conventional fans do still have to be improved.
為解決上述問題，本創作的目的是提供一種風扇及其扇輪，係可以提升氣流進出風扇的流動順暢度，避免形成擾流或產生風切噪音的情形者。In order to solve the above problems, the purpose of the present invention is to provide a fan and a fan wheel thereof, which can improve the flow smoothness of the airflow in and out of the fan, and avoid the situation of forming a spoiler or generating wind noise.
本創作的次一目的是提供一種風扇及其扇輪，係可以結構簡易而可以提升組裝便利性者。The second purpose of the present invention is to provide a fan and a fan wheel thereof, which are simple in structure and can improve assembly convenience.
本創作以下所述方向性或其近似用語，例如「前」、「後」、「左」、「右」、「上（頂）」、「下（底）」、「內」、「外」、「側面」等，主要係參考附加圖式的方向，各方向性或其近似用語僅用以輔助說明及理解本創作的各實施例，非用以限制本創作。The following directional or similar terms, such as "before", "after", "left", "right", "upper (top)", "lower (bottom)", "inside", "outside" The "lateral" and the like are mainly referred to the orientation of the additional drawings, and the directionality or its approximation is only used to assist in the description and understanding of the embodiments of the present invention, and is not intended to limit the present invention.
本創作的扇輪，包含：一輪轂，具有一連軸部位於一基板的中心；及數個弧形葉片，環設於該連軸部的外周，各該弧形葉片的底緣連接該基板的頂面；其中，該連軸部的中心與各該弧形葉片的內緣具有一第一徑向間距，該連軸部的中心與各該弧形葉片的外緣具有一第二徑向間距，該第一徑向間距與該第二徑向間距的比值為0.3～0.7。The fan wheel of the present invention comprises: a hub having a connecting shaft portion at a center of a substrate; and a plurality of curved blades ringing on an outer circumference of the connecting shaft portion, wherein a bottom edge of each of the curved blades is connected to the substrate a top surface; wherein a center of the coupling portion has a first radial distance from an inner edge of each of the curved blades, and a center of the coupling portion has a second radial distance from an outer edge of each of the curved blades The ratio of the first radial spacing to the second radial spacing is 0.3-0.7.
本創作的風扇，包含：一扇框，該扇框具有一入風口及一出風口；及一個前述之扇輪，該扇輪可旋轉地設於該入風口與該出風口之間。The fan of the present invention comprises: a frame having an air inlet and an air outlet; and a fan wheel, wherein the fan wheel is rotatably disposed between the air inlet and the air outlet.
據此，本創作的風扇及其扇輪，利用該數個弧形葉片以及該第一徑向間距與該第二徑向間距的比值為0.3～0.7，使得各該弧形葉片的驅風面積可以增加，係可以提升風量並且確保各該弧形葉片所旋出之氣流較不受阻礙，藉此，係可以提升氣流進出風扇的流動順暢度，避免形成擾流或產生風切噪音的情形。Accordingly, the fan of the present invention and the fan wheel thereof utilize the plurality of curved blades and a ratio of the first radial spacing to the second radial spacing is 0.3-0.7, so that the driving area of each of the curved blades It can be increased to increase the air volume and ensure that the airflow swirled by each of the curved blades is unobstructed, thereby improving the flow smoothness of the airflow into and out of the fan, avoiding the formation of turbulence or wind-cut noise.
其中，各該弧形葉片的外緣可以連接該基板的頂面外緣。如此，可確保相鄰二弧形葉片之間的氣流可以順著旋轉方向成切線旋出，係具有提升氣流順暢度的功效。Wherein, the outer edge of each of the curved blades may be connected to the outer edge of the top surface of the substrate. In this way, it can be ensured that the airflow between the adjacent two curved blades can be tangentially unscrewed in the direction of rotation, which has the effect of improving the smoothness of the airflow.
其中，各該弧形葉片可以具有相對的一凸弧面及一凹弧面，各該弧形葉片由該凸弧面迎風。如此，係具有降低風切噪音的功效。Each of the curved blades may have a convex arc surface and a concave arc surface, and each of the curved blades is winded by the convex arc surface. In this way, it has the effect of reducing wind noise.
其中，該輪轂可以具有一環牆連接於該基板的底面，一磁性件連接該環牆。如此，係可大幅縮減整體扇輪的徑向寬度，且具有結構簡易而可以提升組裝便利性的功效。The hub may have a ring wall connected to the bottom surface of the substrate, and a magnetic member is connected to the ring wall. In this way, the radial width of the overall fan wheel can be greatly reduced, and the structure is simple and the assembly convenience can be improved.
其中，該連軸部的中心至任一前述弧形葉片外緣的徑向連線可以通過相鄰弧形葉片的內緣與外緣之間。如此，係具有提升氣流順暢度的功效。Wherein, the radial connection of the center of the coupling portion to the outer edge of any of the aforementioned curved blades may pass between the inner edge and the outer edge of the adjacent curved blade. In this way, it has the effect of improving the smoothness of the airflow.
其中，該連軸部可以凸出於該基板的頂面，該連軸部的外周面與各該弧形葉片的內緣具有一第三徑向間距，該第三徑向間距與該第二徑向間距的比值為0.1～0.5。如此，確保各該弧形葉片具有足夠的長度，係具有提升氣流順暢度的功效。The connecting portion may protrude from a top surface of the substrate, and an outer peripheral surface of the connecting portion has a third radial spacing from an inner edge of each of the curved blades, the third radial spacing and the second The ratio of the radial spacing is 0.1 to 0.5. In this way, it is ensured that each of the curved blades has a sufficient length to enhance the smoothness of the airflow.
其中，各該弧形葉片的內緣可以對位在該入風口內，各該弧形葉片的內緣不會連到該連軸部的外周面。如此，係具有提升氣流順暢度的功效。The inner edge of each of the curved blades may be aligned in the air inlet, and the inner edge of each of the curved blades is not connected to the outer circumferential surface of the coupling portion. In this way, it has the effect of improving the smoothness of the airflow.
其中，該連軸部的中心與該入風口的內表面可以具有一第四徑向間距，該第一徑向間距與該第四徑向間距的比值為0.4~0.9。如此，係具有提升氣流順暢度的功效。The center of the coupling portion and the inner surface of the air inlet may have a fourth radial spacing, and the ratio of the first radial spacing to the fourth radial spacing is 0.4-0.9. In this way, it has the effect of improving the smoothness of the airflow.
為讓本創作之上述及其他目的、特徵及優點能更明顯易懂，下文特舉本創作之較佳實施例，並配合所附圖式，作詳細說明如下：In order to make the above and other objects, features and advantages of the present invention more comprehensible, the preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings.
請參照第2圖所示，其係本創作扇輪的一較佳實施例，係包含一輪轂1及數個弧形葉片2，該數個弧形葉片2連接於該輪轂1上方。Referring to FIG. 2, a preferred embodiment of the present invention includes a hub 1 and a plurality of curved blades 2 connected to the hub 1.
請參照第2、4圖所示，該輪轂1具有一基板11，該基板11係可以形成有相對的一頂面11a及一底面11b。該基板11的頂面11a可以供該數個弧形葉片2連接。該輪轂1另可以具有一環牆12連接於該基板11的底面11b，以便將一磁性件3連接該環牆12的內表面；在本實施例中，該環牆12可以連接於該底面11b的周緣，且該環牆12可以一體成形連接或組裝連接該底面11b，該磁性件3則可以連接於該環牆12的內環周面。Referring to FIGS. 2 and 4, the hub 1 has a substrate 11 which can be formed with an opposite top surface 11a and a bottom surface 11b. The top surface 11a of the substrate 11 can be connected to the plurality of curved vanes 2. The hub 1 may further have a ring wall 12 connected to the bottom surface 11b of the substrate 11 to connect a magnetic member 3 to the inner surface of the ring wall 12; in this embodiment, the ring wall 12 may be connected to the bottom surface 11b. The peripheral wall, and the annular wall 12 can be integrally formed or assembled to connect the bottom surface 11b, and the magnetic member 3 can be connected to the inner circumferential surface of the annular wall 12.
此外，該輪轂1具有一連軸部13位於該基板11的中心，該連軸部13的態樣本創作不加以限制，例如可以由該頂面11a的中心位置凹設有該連軸部13、由該底面11b的中心位置延伸有該連軸部13、或者直接由該基板11的中心位置形成該連軸部13，使該連軸部13為平面狀而未凸出該頂面11a或該底面11b；在本實施例中，該連軸部13係選擇凸出於該基板11的頂面11a，以由該連軸部13輔助分流，並藉由該連軸部13連接一轉軸4，以增加該輪轂1與該轉軸4的接觸面積，使該輪轂2與該轉軸1可以穩固結合。特別說明的是，該輪轂1與該轉軸4的連接方式，係可以選用塑膠材質的輪轂1，以便直接射出包覆結合該轉軸4的上端；或者，也可以選用金屬材質的輪轂1，以便緊配或雷射銲接結合該轉軸4的上端，本創作不加以限制該輪轂1與該轉軸4的形成方式。In addition, the hub 1 has a coupling portion 13 at the center of the substrate 11. The state of the coupling portion 13 is not limited. For example, the coupling portion 13 can be recessed from the center of the top surface 11a. The coupling portion 13 is formed at a center position of the bottom surface 11b, or the coupling portion 13 is formed directly from a center position of the substrate 11, and the coupling portion 13 is planar and does not protrude from the top surface 11a or the bottom surface. 11b; in this embodiment, the coupling portion 13 is selectively protruded from the top surface 11a of the substrate 11 to assist the shunting by the coupling portion 13, and a shaft 4 is connected by the coupling portion 13 to The contact area of the hub 1 with the rotating shaft 4 is increased, so that the hub 2 and the rotating shaft 1 can be firmly coupled. Specifically, the hub 1 and the rotating shaft 4 are connected in a manner that a plastic hub 1 can be used to directly project the upper end of the rotating shaft 4; or a metal hub 1 can be used. The assembly or laser welding is combined with the upper end of the rotating shaft 4, and the creation of the hub 1 and the rotating shaft 4 is not limited in this creation.
該數個弧形葉片2環設於該連軸部13的外周，且各該弧形葉片2的底緣2a連接該基板11的頂面11a，各該弧形葉片2的內緣2b可以選擇未連接該連軸部13，而各該弧形葉片2的外緣2c較佳則選擇連接該基板11的頂面11a外緣11c。各該弧形葉片2具有相對的一凸弧面21及一凹弧面22，該扇輪可以朝逆時針方向旋轉來帶動氣流，使各該弧形葉片2由該凸弧面21迎風。The plurality of curved blades 2 are disposed on the outer circumference of the coupling portion 13 , and the bottom edge 2 a of each of the curved blades 2 is connected to the top surface 11 a of the substrate 11 , and the inner edge 2 b of each of the curved blades 2 can be selected. The coupling portion 13 is not connected, and the outer edge 2c of each of the curved blades 2 is preferably connected to the outer edge 11c of the top surface 11a of the substrate 11. Each of the curved vanes 2 has an opposite convex curved surface 21 and a concave curved surface 22, and the circular rotating wheel can rotate in a counterclockwise direction to drive the airflow, so that each of the curved vanes 2 is winded by the convex curved surface 21.
請參照第2、3圖所示，各該弧形葉片2的內緣2b與該連軸部13的中心具有一第一徑向間距D1，該第一徑向間距D1較佳係大於零，以確保各該弧形葉片2的內緣2b不會連到該連軸部13的中心；而各該弧形葉片2的外緣2c與該連軸部13的中心具有一第二徑向間距D2，且該第一徑向間距D1與該第二徑向間距D2的比值(D1/D2)為0.3～0.7。以及，各該弧形葉片2的內緣2b與該連軸部13的外周面131還可以具有一第三徑向間距D3，該第三徑向間距D3較佳係大於零，以確保各該弧形葉片2的內緣2b不會連到該連軸部13的外周面131，且該第三徑向間距D3與該第二徑向間距D2的比值(D3/D2)較佳為0.1～0.5。此外，該連軸部13的中心至任一前述弧形葉片2外緣2c的徑向連線通過相鄰弧形葉片2的內緣2b與外緣2c之間。Referring to FIGS. 2 and 3, the inner edge 2b of each of the curved vanes 2 and the center of the coupling portion 13 have a first radial distance D1, and the first radial spacing D1 is preferably greater than zero. To ensure that the inner edge 2b of each of the curved blades 2 is not connected to the center of the coupling portion 13; and the outer edge 2c of each of the curved blades 2 has a second radial distance from the center of the coupling portion 13 D2, and a ratio (D1/D2) of the first radial distance D1 to the second radial distance D2 is 0.3 to 0.7. The inner edge 2b of each of the curved blades 2 and the outer peripheral surface 131 of the coupling portion 13 may further have a third radial distance D3, which is preferably greater than zero to ensure each The inner edge 2b of the curved blade 2 is not connected to the outer peripheral surface 131 of the coupling portion 13, and the ratio (D3/D2) of the third radial spacing D3 to the second radial spacing D2 is preferably 0.1 to 0.5. Further, the radial connection of the center of the coupling portion 13 to the outer edge 2c of any of the aforementioned curved blades 2 passes between the inner edge 2b and the outer edge 2c of the adjacent curved blade 2.
請參照第2、5圖所示，據由前述結構，該扇輪可搭配使用於一風扇，該風扇包含一扇框5，該扇框5具有一入風口51及一出風口52，該扇輪可旋轉地設於該扇框5中，且該扇輪位於該入風口51與該出風口52之間。詳言之，該扇框5可以具有相結合的一第一框體5a及一第二框體5b，該第一框體5a可利用如鎖固、卡接、黏合或熱熔等方式固定於該第二框體5b，以提升該第一框體5a與該第二框體5b彼此之間的結合穩固性。該入風口51與該出風口52位於該第一框體5a，且該入風口51可以對位於該扇輪的軸向上方，該出風口52則可以對位於該扇輪的側邊；其中，各該弧形葉片2的內緣2b較佳對位在該入風口51內，使各該弧形葉片2的局部可以露出於該入風口51(如第5圖所示)。此外，該連軸部13的中心與該入風口51的內表面511可以具有一第四徑向間距D4，該第一徑向間距D1與該第四徑向間距D4的比值(D1/D4)較佳為0.4~0.9。Referring to the second and fifth embodiments, according to the foregoing structure, the fan wheel can be used in combination with a fan. The fan includes a frame 5 having an air inlet 51 and an air outlet 52. The wheel is rotatably disposed in the fan frame 5, and the fan wheel is located between the air inlet 51 and the air outlet 52. In detail, the fan frame 5 may have a first frame body 5a and a second frame body 5b combined with each other. The first frame body 5a may be fixed by means of locking, snapping, bonding or hot melting. The second frame 5b enhances the bonding stability between the first frame 5a and the second frame 5b. The air inlet 51 and the air outlet 52 are located in the first frame 5a, and the air inlet 51 can be located in the axial direction of the fan wheel, and the air outlet 52 can be located on the side of the fan wheel; The inner edge 2b of each of the curved vanes 2 is preferably aligned in the air inlet 51 so that a portion of each of the curved vanes 2 can be exposed to the air inlet 51 (as shown in Fig. 5). In addition, the center of the coupling portion 13 and the inner surface 511 of the air inlet 51 may have a fourth radial distance D4, and the ratio of the first radial distance D1 to the fourth radial distance D4 (D1/D4) It is preferably 0.4 to 0.9.
據此，本創作的風扇可以組裝至車輛空調或通風設備等系統中，當該扇輪選擇以逆時針方向旋轉來帶動氣流，各該弧形葉片2可以由其凸弧面21迎風，氣流隨轉動所產生的離心力而可以順著旋轉方向成切線旋出，且由於該第一徑向間距D1與該第二徑向間距D2的比值(D1/D2)為0.3～0.7，係可以形成較長的風道以增加各該弧形葉片2的驅風面積，從而可以增加氣流與各該弧形葉片2的接觸面積，係可以提升風量並且確保各該弧形葉片2所旋出之氣流較不受阻礙，藉此，係可以提升氣流進出風扇的流動順暢度，避免形成擾流或產生風切噪音的情形。Accordingly, the fan of the present invention can be assembled into a system such as a vehicle air conditioner or a ventilation device. When the fan wheel is selected to rotate in a counterclockwise direction to drive the air flow, each of the curved blades 2 can be winded by the convex curved surface 21, and the air flow is followed by The centrifugal force generated by the rotation can be tangentially rotated along the rotation direction, and the ratio (D1/D2) of the first radial distance D1 to the second radial distance D2 is 0.3 to 0.7, which can be formed longer. The air passage increases the air blowing area of each of the curved blades 2, so that the contact area of the airflow with each of the curved blades 2 can be increased, and the air volume can be increased and the airflow of each of the curved blades 2 can be reduced. Obstructed, by this, it is possible to improve the flow smoothness of the airflow in and out of the fan, avoiding the formation of turbulence or wind-cut noise.
請參照第6、7圖所示，其係本創作扇輪的第二實施例，本創作第二實施例之扇輪的連軸部13可以未凸出於該基板11的頂面11a，使該基板11的頂面11a中心處呈無凹凸結構之平坦狀以減少擾流；例如但不限制地，本實施例的連軸部13可凸出於該基板11的底面11b，以穩固支撐該轉軸4，且該連軸部13係位於該環牆12的軸向範圍內，使該輪轂1的整體軸向高度可以大幅降低；藉此，可以使用較短的該轉軸4連接該連軸部13，係可以進一步達到降低製造成本的功效。Referring to Figures 6 and 7, which are the second embodiment of the present fan wheel, the shaft portion 13 of the fan wheel of the second embodiment of the present invention may not protrude from the top surface 11a of the substrate 11, so that The top surface 11a of the substrate 11 has a flat shape without a concave-convex structure to reduce spoilage; for example, but not limited to, the coupling portion 13 of the embodiment may protrude from the bottom surface 11b of the substrate 11 to stably support the bottom surface 11b. The shaft 4 is disposed, and the shaft portion 13 is located in the axial range of the ring wall 12, so that the overall axial height of the hub 1 can be greatly reduced; thereby, the shaft portion can be connected by using the shorter shaft 4 13, can further achieve the effect of reducing manufacturing costs.
綜上所述，本創作的扇輪，利用該數個弧形葉片以及該第一徑向間距與該第二徑向間距的比值為0.3～0.7，使得各該弧形葉片的驅風面積可以增加，係可以提升風量並且確保各該弧形葉片所旋出之氣流較不受阻礙，藉此，係可以提升氣流進出風扇的流動順暢度，避免形成擾流或產生風切噪音的情形。In summary, the fan wheel of the present invention utilizes the plurality of curved blades and the ratio of the first radial spacing to the second radial spacing is 0.3-0.7, so that the driving area of each of the curved blades can be The increase can increase the air volume and ensure that the air flow swirled by each of the curved blades is unobstructed, thereby improving the flow smoothness of the airflow into and out of the fan, and avoiding the occurrence of spoiler or wind noise.
值得一提的是，本創作所述「結合」、「組合」或「組裝」等近似用語，主要包含連接後仍可不破壞構件地分離，或是連接後使構件不可分離等型態；例如以具螺紋之元件相螺合、以膠帶或黏扣帶連接、以線繩綑綁、磁吸結合、卡扣結合、以膠黏合或銲接結合等連接方式，係本領域中具有通常知識者可以依據欲相連之構件材質或組裝需求予以選擇者，故本創作非僅限於上述較佳實施例所揭示之形態。It is worth mentioning that the similar terms such as "combination", "combination" or "assembly" in this creation mainly include the type of separation after the connection is not broken, or the components are inseparable after connection; for example, Threaded components are screwed together, joined by tape or Velcro tape, tied with wire, magnetically bonded, snap-fit, glued or welded, etc., which is common in the field. The connected component materials or assembly requirements are selected, so the present creation is not limited to the form disclosed in the above preferred embodiment.
雖然本創作已利用上述較佳實施例揭示，然其並非用以限定本創作，任何熟習此技藝者在不脫離本創作之精神和範圍之內，相對上述實施例進行各種更動與修改仍屬本創作所保護之技術範疇，因此本創作之保護範圍當視後附之申請專利範圍所界定者為準。Although the present invention has been disclosed by the above-described preferred embodiments, it is not intended to limit the present invention, and it is still within the spirit and scope of the present invention to make various changes and modifications to the above embodiments. The technical scope of the protection is created, so the scope of protection of this creation is subject to the definition of the patent application scope attached.
﹝本創作﹞[this creation]
1‧‧‧輪轂 1‧‧·wheels
11‧‧‧基板 11‧‧‧Substrate
11a‧‧‧頂面 11a‧‧‧Top
11b‧‧‧底面 11b‧‧‧ bottom
11c‧‧‧外緣 11c‧‧‧ outer edge
12‧‧‧環牆 12‧‧‧ Ring wall
13‧‧‧連軸部 13‧‧‧Connected shaft
131‧‧‧外周面 131‧‧‧ outer perimeter
2‧‧‧弧形葉片 2‧‧‧Shave blades
2a‧‧‧底緣 2a‧‧‧ bottom edge
2b‧‧‧內緣 2b‧‧‧ inner edge
2c‧‧‧外緣 2c‧‧‧ outer edge
21‧‧‧凸弧面 21‧‧‧ convex curved surface
22‧‧‧凹弧面 22‧‧‧ concave curved surface
3‧‧‧磁性件 3‧‧‧Magnetic parts
4‧‧‧轉軸 4‧‧‧ shaft
5‧‧‧扇框 5‧‧‧Fan frame
5a‧‧‧第一框體 5a‧‧‧ first frame
5b‧‧‧第二框體 5b‧‧‧ second frame
51‧‧‧入風口 51‧‧‧Air inlet
511‧‧‧內表面 511‧‧‧ inner surface
52‧‧‧出風口 52‧‧‧air outlet
D1‧‧‧第一徑向間距 D1‧‧‧First radial spacing
D2‧‧‧第二徑向間距 D2‧‧‧second radial spacing
D3‧‧‧第三徑向間距 D3‧‧‧ third radial spacing
D4‧‧‧第四徑向間距 D4‧‧‧ fourth radial spacing
﹝習用﹞ [Use]
9‧‧‧風扇 9‧‧‧Fan
9a‧‧‧扇輪 9a‧‧‧fan wheel
9b‧‧‧定子 9b‧‧‧stator
9c‧‧‧軸管 9c‧‧‧ shaft tube
91‧‧‧轉軸 91‧‧‧ shaft
92‧‧‧輪轂 92‧‧·wheels
93‧‧‧扇葉 93‧‧‧ fan leaves
［第1圖］ 一種習知風扇的分解立體圖。 ［第2圖］ 本創作第一實施例的扇輪與扇框的分解立體圖。 ［第3圖］ 本創作第一實施例的扇輪的俯視圖。 ［第4圖］ 沿第3圖的A-A線剖面圖。 ［第5圖］ 本創作第一實施例的風扇的俯視圖。 ［第6圖］ 本創作第二實施例的扇輪的立體圖。 ［第7圖］ 本創作第二實施例的扇輪的剖面圖。[Fig. 1] An exploded perspective view of a conventional fan. [Fig. 2] An exploded perspective view of the fan wheel and the fan frame of the first embodiment of the present invention. [Fig. 3] A plan view of the fan wheel of the first embodiment of the present invention. [Fig. 4] A cross-sectional view taken along line A-A of Fig. 3. [Fig. 5] A plan view of the fan of the first embodiment of the present invention. [Fig. 6] A perspective view of the fan wheel of the second embodiment of the present invention. [Fig. 7] A cross-sectional view of a fan wheel of a second embodiment of the present invention.
Claims (9)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW107215529U TWM575480U (en) | 2018-11-15 | 2018-11-15 | Fan and impeller thereof |
| CN201821935452.9U CN209324735U (en) | 2018-11-15 | 2018-11-22 | Fan and fan wheel thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW107215529U TWM575480U (en) | 2018-11-15 | 2018-11-15 | Fan and impeller thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TWM575480U true TWM575480U (en) | 2019-03-11 |
Family
ID=66591944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW107215529U TWM575480U (en) | 2018-11-15 | 2018-11-15 | Fan and impeller thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN209324735U (en) |
| TW (1) | TWM575480U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI775492B (en) * | 2021-06-15 | 2022-08-21 | 大陸商昆山廣興電子有限公司 | Fans and Fan Wheels |
-
2018
- 2018-11-15 TW TW107215529U patent/TWM575480U/en unknown
- 2018-11-22 CN CN201821935452.9U patent/CN209324735U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI775492B (en) * | 2021-06-15 | 2022-08-21 | 大陸商昆山廣興電子有限公司 | Fans and Fan Wheels |
Also Published As
| Publication number | Publication date |
|---|---|
| CN209324735U (en) | 2019-08-30 |
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