WO2019047471A1 - 一种风轮及其应用于鼓风机 - Google Patents

一种风轮及其应用于鼓风机 Download PDF

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Publication number
WO2019047471A1
WO2019047471A1 PCT/CN2018/074641 CN2018074641W WO2019047471A1 WO 2019047471 A1 WO2019047471 A1 WO 2019047471A1 CN 2018074641 W CN2018074641 W CN 2018074641W WO 2019047471 A1 WO2019047471 A1 WO 2019047471A1
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WO
WIPO (PCT)
Prior art keywords
air
mounting
post
switch
volute
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PCT/CN2018/074641
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English (en)
French (fr)
Inventor
林炎虎
梁成林
王凤琪
狄靖昊
霍宝福
赵红梅
李爱霞
Original Assignee
中山大洋电机股份有限公司
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Priority claimed from CN201721144073.3U external-priority patent/CN207178296U/zh
Priority claimed from CN201721692361.2U external-priority patent/CN207830219U/zh
Application filed by 中山大洋电机股份有限公司 filed Critical 中山大洋电机股份有限公司
Publication of WO2019047471A1 publication Critical patent/WO2019047471A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps

Definitions

  • the invention relates to a wind wheel and its application to a blower.
  • the existing air blower comprises a motor, a volute and a wind wheel, the motor is mounted on the volute, the wind wheel is installed in the volute, the wind wheel comprises a top panel, a bottom panel and a plurality of winds connected between the top panel and the bottom panel
  • the blade is provided with an air inlet in the middle of the bottom panel, a duct is formed between the two adjacent air blades, and a joint seat connected to the motor shaft is arranged in the center of the top panel, and a plurality of auxiliary blades are protruded in the edge of the top panel.
  • the auxiliary fan blade and a plurality of wind blades are distributed on both sides of the top panel.
  • the working principle is: the wind wheel rotates, the air inside the fan blade is smashed to the outside, and the air is drawn into the cavity from the air inlet port, due to the overall size of the air blower. Restricted, the size of the wind wheel is also limited and the space utilization in the volute is small, resulting in a small exhaust volume of the blower and an efficient operation.
  • At least one air switch is installed on the fan volute, the air switch is mounted on the top surface of the fan volute, the air switch comprises a cylindrical switch body, and the side of the switch body is radially protruded with a plurality of mounting feet, the switch a wind pipe is protruded from a center of the bottom of the body; a mounting portion for installing an air switch protrudes from the volute, the mounting portion includes two mounting posts for mounting the mounting legs, and a limit for supporting the air duct a position post, the switch body is installed between the two mounting posts, the mounting leg is mounted on the mounting post, the air duct is supported on the limiting post, and the top of the limiting post is provided with a gap.
  • the limiting column only supports the air duct, the entire switch body is substantially suspended, the air switch is unstable to install, and is easy to loose; and the air switch of the above installation structure is relatively simple, and cannot be combined with other structures. Air switch fit.
  • the utility model relates to a blower, which comprises a volute, a cover plate, a motor, a motor shaft and a wind wheel.
  • the volute and the cover plate are connected and connected together to form a cavity
  • the wind wheel is installed in the cavity
  • the exhaust vent is arranged on the volute
  • the cover is arranged
  • the wind wheel comprises a top panel, a bottom panel and a plurality of wind blades mounted between the top panel and the bottom panel, and an air inlet is arranged in the middle of the bottom panel, and a wind channel is formed between the adjacent two wind blades
  • the top A connecting seat connected to the motor shaft is disposed at a central portion of the panel, and a plurality of auxiliary blades are protruded from an edge of the top panel, and the auxiliary blade and the plurality of wind blades are distributed on two sides of the top panel, wherein the top panel A through hole is provided, and the through hole is in communication with the air passage.
  • the through hole is located between the auxiliary fan blade and the connecting seat, and the through hole is located above the air channel.
  • the through hole is an annular through hole.
  • the auxiliary vane is a curved auxiliary vane.
  • the auxiliary vane is a forward vane, and the wind vane is a rearward vane.
  • the top surface of the volute described above is provided with at least one mounting portion for mounting an air switch, the mounting portion includes a plurality of mounting posts, and the top of the mounting post is provided with a threaded hole, and a plurality of the mounting posts are formed between the mounting posts.
  • the mounting portion further includes a support post and a limit post disposed in the space, the top of the support post is provided with a platform for supporting an air switch, and the air switch includes a cylindrical shape a switch body, a side of the switch body radially protruding with a plurality of mounting feet, the air switch is mounted on a mounting portion of the fan volute, the platform of the support column supports a bottom of the switch body, Mounting feet are mounted on the mounting post and locked by screws.
  • the mounting post height D1, the support post height D2, and the limit post height D3 described above satisfy D1>D2>D3.
  • the platform is provided with a avoidance slot.
  • the bottom of the switch body of the air switch protrudes from the positioning post.
  • the support post is disposed outside the positioning post, and the positioning post is located in the avoidance slot.
  • the side of the mounting post is provided with a curved wall, the curved wall is disposed facing the space, and the two curved walls are disposed at a center of the circle, and the curved wall is disposed at a center of the switch body.
  • the curved wall surrounds the side of the switch body.
  • the top of the mounting post described above protrudes upwardly from the threaded hole with a boss, the boss is provided with an arcuate inner side wall, and the curved inner side wall of the boss surrounds the side of the mounting leg.
  • the top of the limiting post is recessed downwardly with a mounting groove, the side wall of the limiting post is provided with a notch, the notch extends through the mounting groove, and a duct is protruded from a center of the bottom of the air switch.
  • the air duct is supported at a groove bottom of the mounting groove.
  • the limit post described above is located at the center of the space.
  • the invention has the following effects:
  • the present invention comprises a top panel, a bottom panel and a plurality of wind blades mounted between the top panel and the bottom panel, wherein an air inlet is arranged in the middle of the bottom panel, and a duct is formed between the adjacent wind blades, and the center of the top panel is arranged a plurality of auxiliary blades are protruded from the edge of the top plate, and the auxiliary blades and the plurality of blades are distributed on two sides of the top panel, and the top panel is provided with a through hole.
  • the through hole is connected with the air passage, and the through hole is an annular through hole, and the air volume in the volute cavity is more circulated through the through hole, thereby increasing the air exhaust volume of the fan and improving the operation efficiency;
  • the auxiliary fan blade is a curved auxiliary fan blade, which can minimize the friction between the auxiliary fan blade and the air flow and reduce the noise;
  • the through hole is located between the auxiliary wind blade and the connecting seat, the through hole is located above the air passage, the through hole is an annular through hole, the structure is simple and reasonable, and the manufacturing is easy;
  • the auxiliary wind blade is a forward wind blade, and the wind blade is a backward wind blade, which can maximize the space and reduce the volume, and at the same time make the operation efficiency of the wind wheel higher.
  • the top surface of the volute is provided with a mounting portion, the mounting portion includes a plurality of mounting posts, and further includes a supporting column and a limiting post disposed in the space, the top of the supporting column is provided for supporting air
  • the platform of the switch supports the air switch jointly by the mounting column and the support column, and the air switch is more convenient and firm to install, and is not easy to loosen;
  • the mounting portion can adapt to two different configurations of air switches, and expands the use range of the volute;
  • the platform is provided with a avoidance slot, a bottom of the switch body of the air switch protrudes from the positioning post, and the support post is disposed outside the positioning post, and the positioning post is located in the avoidance slot, which is more conducive to air Positioning of the switch;
  • Figure 1 is a perspective view of a wind wheel of the embodiment
  • Figure 2 is another perspective view of the wind wheel of the first embodiment
  • Figure 3 is a front elevational view of the wind wheel of the first embodiment
  • Figure 4 is a cross-sectional view taken along line A-A of Figure 3;
  • Figure 5 is a schematic view showing the structure of the windshield of the first embodiment
  • Figure 6 is a schematic structural view of a blower of Embodiment 2.
  • Fig. 7 is a schematic view showing the flow of a wind flow of the air blower of the second embodiment.
  • Figure 8 is a perspective view of a fan volute with an air switch mounting structure according to a third embodiment of the present invention.
  • Figure 9 is an enlarged view of A of Figure 8.
  • Figure 10 is a front elevational view of a fan volute with an air switch mounting structure according to a third embodiment of the present invention.
  • Figure 11 is a side view of a fan volute with an air switch mounting structure according to a third embodiment of the present invention.
  • Figure 12 is an enlarged view of B of Figure 11;
  • Figure 13 is a schematic structural view of a fan provided in Embodiment 4 of the present invention.
  • Figure 14 is a front elevational view of the fan provided in the fourth embodiment of the present invention.
  • Figure 15 is a cross-sectional view taken along line C-C of Figure 14;
  • Figure 16 is an enlarged view of D of Figure 15;
  • Figure 17 is a side view of a fan provided in Embodiment 4 of the present invention.
  • Figure 18 is an enlarged view of E of Figure 17;
  • FIG. 19 is a perspective view of a first air switch in a fan according to Embodiment 4 of the present invention.
  • Figure 20 is a perspective view of a second air switch in a fan provided in Embodiment 4 of the present invention.
  • Embodiment 1 As shown in FIG. 1 to FIG. 5 , the embodiment is a wind wheel, comprising a top panel 1 , a bottom panel 2 , and a plurality of wind blades 3 mounted between the top panel 1 and the bottom panel 2 .
  • An air inlet 21 is disposed in the middle of the bottom panel 2, and a duct 31 is formed between the two adjacent air blades 3, and a joint seat 11 connected to the motor shaft is disposed in the center of the top panel 1, and a plurality of pieces protrude from the edge of the top panel 1.
  • the auxiliary air vane 12, the auxiliary air vane 12 and the plurality of wind vanes 3 are distributed on both sides of the top panel 1.
  • the top panel 1 is provided with a through hole 10, and the through hole 10 and the air duct 31 are Connected, through the through hole 10, the air volume in the volute cavity is more circulated, the fan exhaust air volume is increased, and the operation efficiency is improved.
  • the through hole 10 is located between the auxiliary fan blade 12 and the connecting seat 11.
  • the through hole 10 is located above the air channel 31.
  • the through hole 10 is an annular through hole, and the structure is simple and reasonable, and the manufacturing is easy.
  • the auxiliary vane 12 is a curved auxiliary vane, which can minimize the friction between the auxiliary vane 12 and the air flow, and reduce noise.
  • the auxiliary vane 12 is a forward vane
  • the wind vane 3 is a rearward vane.
  • the forward wind blade refers to an angle A1 between the air outlet direction lead of the auxiliary wind blade 12 and the edge tangent of the top panel 1 is greater than 90°, and the edge tangential direction is opposite to the steering;
  • the backward wind blade means that the angle A2 between the air outlet direction lead of the wind blade 3 and the edge tangent of the top panel 1 is less than 90°, and the edge tangential direction is opposite to the steering. It can make the most use of space, reduce the volume, and make the wind turbine run more efficiently.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the embodiment is a blower comprising a volute 4, a cover plate 5, a motor 6, a motor shaft 7 and a wind wheel 100.
  • the volute 4 and the cover plate 5 are mounted and connected together to form a cavity. 41.
  • the wind wheel 100 is mounted on the cavity 41.
  • the volute 4 is provided with an air outlet 42.
  • the cover plate 5 is disposed in the air inlet 51.
  • the wind wheel 100 is a wind wheel according to the first embodiment.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • the embodiment provides a fan volute with an air switch mounting structure, including a volute 4 and a cover 5.
  • the side 48 of the volute 4 is provided with an air outlet.
  • the bottom surface of the cover plate 5 is provided with an air inlet 51.
  • the top surface 49 of the volute 4 is provided with at least one mounting portion 9 for mounting an air switch.
  • the mounting portion 9 includes a plurality of mounting posts 91, the mounting posts The top of the 91 is provided with a threaded hole 911, and a space 92 for accommodating the air switch 8 is formed between the plurality of mounting posts 91, wherein the mounting portion 9 further includes a support post 93 and a limit disposed in the space 92.
  • a column 94, the top of the support column 93 is provided with a platform 931 for supporting the air switch 8.
  • the mounting portion 9 has a simple structure, and the air switch 8 is supported by the mounting post 91 and the support post 93.
  • the air switch 8 is more convenient and firm to install, and is not easy to loosen. .
  • the height D1 of the mounting post 91, the height D2 of the support post 93, and the height D3 of the limiting post 94 satisfy D1>D2>D3.
  • the platform 931 described above is provided with a avoidance slot 932.
  • the side of the mounting post 91 is provided with a curved wall 912, and the curved wall 912 is disposed facing the space 92.
  • the two curved walls 912 are disposed centrally.
  • a boss 913 protrudes from the top of the mounting post 91 at the top of the threaded hole 911, and the boss 913 is provided with a curved inner sidewall 914.
  • a mounting groove 941 is defined in the top of the limiting post 94.
  • the side wall of the limiting post 94 is provided with a notch 942, and the notch 942 extends through the mounting groove 941.
  • the limit post 94 described above is located at the center of the space 92.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • the present embodiment provides a fan, including a fan volute 200, a motor 6 mounted on the fan volute 200, and a plurality of air switches 8.
  • the fan volute 200 adopts an embodiment.
  • the fan volute with an air switch mounting structure the air switch 8 includes a switch body 81 including a cylindrical shape, and a side of the switch body 81 radially protrudes with a plurality of mounting legs 82, the switch body 81 is mounted in the space 92, the platform 931 of the support column 93 supports the bottom of the switch body 81, and the mounting leg 82 is mounted on the mounting post 91 and locked by a screw 95, the boss 913
  • the curved inner side wall 914 surrounds the side of the mounting leg 82.
  • the curved wall 912 is disposed centrally with the switch body 81, and the curved wall 912 surrounds the side of the switch body 81.
  • the fan of the embodiment can improve the installation of the air switch 8 by the structure of the fan volute, and the operation of the air switch 8 is more stable.
  • the mounting portion 9 of the fan volute can be mounted with two different configurations of air switches 8, respectively a first air switch 8A and a second air switch 8B, and the first air switch 8A and the second air switch 8B are provided.
  • the switch body 81 and the mounting foot 82 of the same size are different in that the bottom of the switch body 81 of the first air switch 8A protrudes from the positioning post 83, and the center of the bottom of the second air switch 5B protrudes from the bottom of the air duct 5B. 84.
  • the support post 13 is disposed outside the positioning post 83, and the positioning post 83 is located in the avoidance slot 932.
  • the air duct 84 is supported at the bottom of the groove of the mounting groove 941, and the notch 942 communicates with the nozzle of the air duct 84.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

一种鼓风机，包括蜗壳（4）、盖板（5）、电机（6）、电机轴（7）和风轮（100），蜗壳（4）与盖板（5）安装连接在一起形成腔体（41），风轮（100）安装在腔体（41）里面，蜗壳（4）上设置排风口（42），盖板（5）设置入风口（51），所述的风轮（100）包括顶面板（1）、底面板（2）以及安装连接在顶面板（1）和底面板（2）之间的若干风叶片（3），在底面板（2）中间设置进风口（21），相邻两风叶片（3）之间形成风道（31），顶面板（1）中央设置与电机轴（7）连接的连结座（11），所述的顶面板（1）的边缘上凸出有若干片辅助风叶（12），辅助风叶（12）与若干风叶片（3）分布在顶面板（1）两侧，所述顶面板（1）上设有通孔（10），所述通孔（10）与风道（31）之间是连通的，通过通孔（10）使蜗壳空腔里的风量流通更多，提高风机排风量，提高运行效率。

Description

一种风轮及其应用于鼓风机 技术领域：
本发明涉及一种风轮及其应用于鼓风机。
背景技术：
现有的鼓风机，包括电机、蜗壳和风轮，电机安装在蜗壳上，风轮安装在蜗壳里，风轮包括顶面板、底面板以及安装连接在顶面板和底面板之间的若干风叶片，在底面板中间设置进风口，相邻两风叶片之间形成风道，顶面板中央设置与电机轴连接的连结座，所述的顶面板的边缘内凸出有若干片辅助风叶，辅助风叶与若干风叶片分布在顶面板两侧,其工作原理是：风轮转动，风叶内侧的空气被甩向外侧，空气从进风口被抽入到空腔里面,由于鼓风机的整体尺寸受限制，使风轮的尺寸也受到限制和蜗壳内空间利用率较小，导致鼓风机的排风量小，运行效率底。
另外，目前风机蜗壳上至少安装一个空气开关，空气开关安装在所述风机蜗壳的顶面上，空气开关包括圆柱形的开关本体，开关本体的侧面径向凸出有若干安装脚，开关本体底部圆心位置凸出有风管；蜗壳上凸出有用于安装空气开关的安装部，安装部包括两个用于安装所述安装脚的安装柱、以及用于支承所述风管的限位柱，开关本体安装在所述两个安装柱之间，安装脚安装在所述安装柱上，风管支承在所述限位柱上，限位柱顶部设有缺口。但所述限位柱只对风管起到支撑作用，整个开关本体基本上处于悬空状态，空气开关安装不稳定、容易松动；且上述安装结构能适用的空气开关比较单一，无法与其他结构的空气开关配合。
发明内容：
本发明的目的是提供一种鼓风机，解决现有技术中导致鼓风机的排风量小，运行效率底的技术问题。
本发明的进一步目的是提供一种鼓风机，解决现有技术中空气开关的安装不牢固可靠的问题。
本发明的目的是通过下述技术方案予以实现的。
一种鼓风机，包括蜗壳、盖板、电机、电机轴和风轮，蜗壳与盖板安装连接在一起形成腔体，风轮安装在腔体里面，蜗壳上设置排风口，盖板设置入风口，所述的风轮包括顶面板、底面板以及安装连接在顶面板和底面板之间的若干风叶片，在底面板中间设置进风口，相邻两风叶片之间形成风道，顶面板中央设置与电机轴连接的连结座，所述的顶面板的边缘上凸出有若干片辅助风叶，辅助风叶与若干风叶片分布在顶面板两侧，其特征在于：所述顶面板上设有通孔，所述通孔与风道之间是连通的。
所述通孔位于辅助风叶与连结座之间，通孔位于风道的上方。
所述通孔是环形通孔。
所述辅助风叶是弧形辅助风叶。
所述辅助风叶是前向风叶，所述风叶片是后向风叶。
上述所述的蜗壳的顶面设有至少一个用于安装空气开关的安装部，所述安装部包括若干安装柱，所述安装柱顶部设有螺纹孔，若干所述安装柱之间形成用于容纳空气开关的空间，所述安装部还包括设置于所述空间内的支撑柱和限位柱，所述支撑柱的顶部设有用于支撑空气开关的平台，所述空气开关包括圆柱形的开关本体，所述开关本体的侧面径向凸出有若干安装脚，所述空气开关安装在所述风机蜗壳的安装部上，所述支撑柱的平台支承所述开关本体的底部，所述安装脚安装在所述安装柱上并由螺丝锁定。
上述所述的安装柱高度D1、所述支撑柱高度D2与所述限位柱高度D3之间满足D1＞D2＞D3。
上述所述的平台设有避位槽，所述空气开关的开关本体底部凸出定位柱，所述支撑柱套装所述定位柱外，所述定位柱位于所述避位槽内。
上述所述的安装柱侧面设有弧形壁，所述弧形壁面向所述空间设置，两个所述弧形壁共圆心设置，所述弧形壁与所述开关本体共圆心设置，所述弧形壁围着所述开关本体的侧面。
上述所述的安装柱顶部于所述螺纹孔旁向上凸出有凸台，所述凸台设有弧形内侧壁，所述凸台的弧形内侧壁围着所述安装脚的侧面。
上述所述的限位柱顶部向下凹设有安装凹槽，所述限位柱侧壁设有缺口，所述缺口贯穿所述安装凹槽，所述空气开关底部中心凸出有风管，所述风管支承在所述安装凹槽的槽底。
上述所述的限位柱位于所述空间的中心处。
本发明与现有技术相比，具有如下效果：
1)本发明包括顶面板、底面板以及安装连接在顶面板和底面板之间的若干风叶片，在底面板中间设置进风口，相邻两风叶片之间形成风道，顶面板中央设置与电机轴连接的连结座，所述的顶面板的边缘上凸出有若干片辅助风叶，辅助风叶与若干风叶片分布在顶面板两侧，所述顶面板上设有通孔，所述通孔与风道之间是连通的，通孔是环形通孔，通过通孔使蜗壳空腔里的风量流通更多，提高风机排风量，提高运行效率；
2)辅助风叶是弧形辅助风叶，可以最大限度减少辅助风叶与空气气流摩擦，降低噪音；
3)通孔位于辅助风叶与连结座之间，通孔位于风道的上方，所述通孔是环形通孔，结构简单合理，制造容易；
4)所述辅助风叶是前向风叶，所述风叶片是后向风叶，可以最大限度利用空间，缩小体积，同时使风轮的运行效率更高。
5)所述蜗壳的顶面设有的安装部，该安装部包括若干安装柱，还包括设置于所述空间内的支撑柱和限位柱，所述支撑柱的顶部设有用于支撑空气开关的平台，由安装柱和支撑柱共同支承所述空气开关，空气开关安装更方便牢固，不易松动；
6)所述安装部能适应两种不同结构的空气开关，扩大了蜗壳的使用范围；
7)所述平台设有避位槽，所述空气开关的开关本体底部凸出定位柱，所述支撑柱套装所述定位柱外，所述定位柱位于所述避位槽内，更利于空气开关的 定位；
附图说明：
图1是实施例一风轮的立体图；
图2是实施例一风轮的另一角度立体图；
图3是实施例一风轮的正视图；
图4是图3中A-A的剖视图；
图5是实施例一风轮拆去底面板的结构示意图；
图6是实施例二的鼓风机的结构示意图；
图7是实施例二的鼓风机的风流流向示意图。
图8是本发明实施例三提供的带有空气开关安装结构的风机蜗壳的立体图；
图9是图8的A处放大图；
图10是本发明实施例三提供的带有空气开关安装结构的风机蜗壳的主视图；
图11是本发明实施例三提供的带有空气开关安装结构的风机蜗壳的侧视图；
图12是图11的B处放大图；
图13是本发明实施例四提供的风机的结构示意图；
图14是本发明实施例四提供的风机的主视图；
图15是图14的C-C剖视图；
图16是图15的D处放大图；
图17是本发明实施例四提供的风机的侧视图；
图18是图17的E处放大图；
图19是本发明实施例四提供的风机中第一空气开关的立体图；
图20是本发明实施例四提供的风机中第二空气开关的立体图。
具体实施方式：
下面通过具体实施例并结合附图对本发明作进一步详细的描述。
实施例一：如图1至图5所示，本实施例是一种风轮，包括顶面板1、底面板2以及安装连接在顶面板1和底面板2之间的若干风叶片3，在底面板2中间设置进风口21，相邻两风叶片3之间形成风道31，顶面板1中央设置与电机轴连接的连结座11，所述的顶面板1的边缘上凸出有若干片辅助风叶12，辅助风叶12与若干风叶片3分布在顶面板1两侧，其特征在于：所述顶面板1上设有通孔10，所述通孔10与风道31之间是连通的，通过通孔10使蜗壳空腔里的风量流通更多，提高风机排风量，提高运行效率。
所述通孔10位于辅助风叶12与连结座11之间，通孔10位于风道31的上方，所述通孔10是环形通孔，结构简单合理，制造容易。
所述辅助风叶12是弧形辅助风叶，可以最大限度减少辅助风叶12与空气气流摩擦，降低噪音。
所述辅助风叶12是前向风叶，所述风叶片3是后向风叶。如图3，所述前向风叶是指辅助风叶12的出风口方向引线与顶面板1的边缘切线之间的夹角A1大于90°，所述边缘切线方向与转向相反；如图5，所述后向风叶是指风叶片3的出风口方向引线与顶面板1的边缘切线之间的夹角A2小于90°，所述边缘切线方向与转向相反。可以最大限度利用空间，缩小体积，同时使风轮的运行效率更高。
实施例二：
如图6和图7所示，本实施例是一种鼓风机，包括蜗壳4、盖板5、电机6、电机轴7和风轮100，蜗壳4与盖板5安装连接在一起形成腔体41，风轮100安装在腔体41里面，蜗壳4上设置排风口42，盖板5设置入风口51，所述的风轮100是采用实施例一所述的风轮。
实施例三：
如图8至图12所示，本实施例提供的是一种带有空气开关安装结构的风机蜗壳，包括蜗壳4、盖板5，所述蜗壳4的侧面48设有排风口42，盖板5的底面设有入风口51，蜗壳4的的顶面49设有至少一个用于安装空气开关的安装部9，所述安装部9包括若干安装柱91，所述安装柱91顶部设有螺纹孔911，若干所述安装柱91之间形成用于容纳空气开关8的空间92，其中，所述安装部9还包括设置于所述空间92内的支撑柱93和限位柱94，所述支撑柱93的顶部设有用于支撑空气开关8的平台931。
本实施例所述带有空气开关安装结构的风机蜗壳，所述安装部9结构简单，由安装柱91和支撑柱93共同支承所述空气开关8，空气开关8安装更方便牢固，不易松动。
上述所述安装柱91高度D1、所述支撑柱93高度D2与所述限位柱94高度D3之间满足D1＞D2＞D3。
上述所述平台931设有避位槽932。
上述所述安装柱91侧面设有弧形壁912，所述弧形壁912面向所述空间92设置，两个所述弧形壁912共圆心设置。
上述所述安装柱91顶部于所述螺纹孔911旁向上凸出有凸台913，所述凸台913设有弧形内侧壁914。
上述所述限位柱94顶部向下凹设有安装凹槽941，所述限位柱94侧壁设有缺口942，所述缺口942贯穿所述安装凹槽941。
上述所述限位柱94位于所述空间92的中心处。
实施例四：
如图13至图20所示，本实施例提供的是一种风机，包括风机蜗壳200、安装在风机蜗壳200上的电机6和若干空气开关8，所述风机蜗壳200采用实施例三所述的带有空气开关安装结构的风机蜗壳,所述空气开关8包括包括圆柱形的 开关本体81，所述开关本体81的侧面径向凸出有若干安装脚82，所述开关本体81安装在所述空间92内，所述支撑柱93的平台931支承所述开关本体81的底部，所述安装脚82安装在所述安装柱91上并由螺丝95锁定，所述凸台913的弧形内侧壁914围着所述安装脚82的侧面，所述弧形壁912与所述开关本体81共圆心设置，所述弧形壁912围着所述开关本体81的侧面。
本实施例所述风机，通过改良风机蜗壳的结构，使所述空气开关8的安装更简单牢固，空气开关8的工作更稳定。
所述风机蜗壳的安装部9可安装有两种不同结构的空气开关8，分别为第一空气开关8A和第二空气开关8B，所述第一空气开关8A和第二空气开关8B设有尺寸相同的所述开关本体81和安装脚82，不同之处在于：所述第一空气开关8A的开关本体81底部凸出定位柱83，所述第二空气开关5B底部中心凸出有风管84。
对于所述第一空气开关5A，所述支撑柱13套装所述定位柱83外，所述定位柱83位于所述避位槽932内。
对于所述第二空气开关5B，所述风管84支承在所述安装凹槽941的槽底，所述缺口942与所述风管84的管口连通。
以上实施例为本发明的较佳实施方式，但本发明的实施方式不限于此，其他任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化，均为等效的置换方式，都包含在本发明的保护范围之内

Claims (12)

  1. 一种鼓风机，包括蜗壳(4)、盖板(5)、电机(6)、电机轴(7)和风轮(100)，蜗壳(4)与盖板(5)安装连接在一起形成腔体(41)，风轮(100)安装在腔体(41)里面，蜗壳(4)上设置排风口(42)，盖板(5)设置入风口(51)，所述的风轮(100)包括顶面板(1)、底面板(2)以及安装连接在顶面板(1)和底面板(2)之间的若干风叶片(3)，在底面板(2)中间设置进风口(21)，相邻两风叶片(3)之间形成风道(31)，顶面板(1)中央设置与电机轴连接的连结座(11)，所述的顶面板(1)的边缘上凸出有若干片辅助风叶(12)，辅助风叶(12)与若干风叶片(3)分布在顶面板(1)两侧，其特征在于：所述顶面板(1)上设有通孔(10)，所述通孔(10)与风道(31)之间是连通的。
  2. 根据权利要求1所述的一种鼓风机，其特征在于：所述通孔(10)位于辅助风叶(12)与连结座(11)之间，通孔(10)位于风道(31)的上方。
  3. 根据权利要求1或2所述的一种鼓风机，其特征在于：所述通孔(10)是环形通孔。
  4. 根据权利要求3所述的一种鼓风机，其特征在于：所述辅助风叶(12)是弧形辅助风叶。
  5. 根据权利要求4所述的一种鼓风机，其特征在于：所述辅助风叶(12)是前向风叶，所述风叶片(3)是后向风叶。
  6. 根据权利要求1所述的一种鼓风机，其特征在于：蜗壳(4)的顶面(43)设有至少一个用于安装空气开关的安装部(9)，所述安装部(9)包括若干安装柱(91)，所述安装柱(91)顶部设有螺纹孔(911)，若干所述安装柱(91)之间形成用于容纳空气开关(8)的空间(92)，所述安装部(9)还包括设置于所述空间(92)内的支撑柱(93)和限位柱(94)，所述支撑柱(93)的顶部设有用于支撑空气开关(8)的平台(931)，所述空气开关(8)包括圆柱形的开关本体(81)，所述开关本体(81)的侧面径向凸出有若干安装脚(82)，所述空气开关(8)安装在所述风机蜗壳(200)的安装部(9)上，所述支撑柱(93) 的平台(931)支承所述开关本体(81)的底部，所述安装脚(82)安装在所述安装柱(91)上并由螺丝(95)锁定。
  7. 根据权利要求6所述的一种鼓风机，其特征在于：所述安装柱(91)高度D1、所述支撑柱(93)高度D2与所述限位柱(94)高度D3之间满足D1＞D2＞D3。
  8. 根据权利要求7所述的一种鼓风机，其特征在于：所述平台(931)设有避位槽(932)，所述空气开关(8)的开关本体(81)底部凸出定位柱(83)，所述支撑柱(93)套装所述定位柱(83)外，所述定位柱(83)位于所述避位槽(932)内。
  9. 根据权利要求6或7或8所述的一种鼓风机，其特征在于：所述安装柱(91)侧面设有弧形壁(912)，所述弧形壁(912)面向所述空间(92)设置，两个所述弧形壁(912)共圆心设置，所述弧形壁(912)与所述开关本体(81)共圆心设置，所述弧形壁(912)围着所述开关本体(81)的侧面。
  10. 根据权利要求9所述的一种鼓风机，其特征在于：所述安装柱(91)顶部于所述螺纹孔(911)旁向上凸出有凸台(912)，所述凸台(912)设有弧形内侧壁(913)，所述凸台(912)的弧形内侧壁(913)围着所述安装脚(82)的侧面。
  11. 根据权利要求10所述的一种鼓风机，其特征在于：所述限位柱(94)顶部向下凹设有安装凹槽(941)，所述限位柱(94)侧壁设有缺口(942)，所述缺口(942)贯穿所述安装凹槽(941)，所述空气开关(8)底部中心凸出有风管(84)，所述风管(84)支承在所述安装凹槽(941)的槽底。
  12. 根据权利要求11所述的一种鼓风机，其特征在于：所述限位柱(47)位于所述空间(45)的中心处。
PCT/CN2018/074641 2017-09-07 2018-01-31 一种风轮及其应用于鼓风机 WO2019047471A1 (zh)

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CN201721692361.2U CN207830219U (zh) 2017-12-07 2017-12-07 一种带有空气开关安装结构的风机蜗壳及其应用的风机
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