WO2021012881A1 - 一种高度位置可调的轴流风机 - Google Patents

一种高度位置可调的轴流风机 Download PDF

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WO2021012881A1
WO2021012881A1 PCT/CN2020/098567 CN2020098567W WO2021012881A1 WO 2021012881 A1 WO2021012881 A1 WO 2021012881A1 CN 2020098567 W CN2020098567 W CN 2020098567W WO 2021012881 A1 WO2021012881 A1 WO 2021012881A1
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fixed
shaft
axial flow
flow fan
adjustable height
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PCT/CN2020/098567
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English (en)
French (fr)
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叶向阳
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浙江沈力防爆机电有限公司
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Publication of WO2021012881A1 publication Critical patent/WO2021012881A1/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
    • F04D19/00—Axial-flow pumps
    • F04D19/002—Axial flow fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • 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
    • F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps

Definitions

  • the invention relates to the technical field of fans, in particular to an axial flow fan with adjustable height and position.
  • the existing axial flow fan generally fixes the air tube on the base, and cannot adjust the height of the air tube as required, and cannot meet the needs of different customers.
  • the purpose of the present invention is to overcome the shortcomings of the prior art and provide an axial flow fan with adjustable height and position, which can adjust the height of the air duct to different positions to meet the needs of different customers.
  • An axial flow fan with an adjustable height position comprising a wind tube, a motor is fixed in the wind tube, and an impeller is fixedly connected to the motor shaft of the motor.
  • the wind tube is fixed with two left and right symmetrical supporting legs, each supporting foot It is sleeved on a corresponding vertical guide rod, and the two guide rods are respectively fixed at the two ends of the bottom plate.
  • the middle part of the bottom plate is fixed with two support seats arranged front and rear, and a gear is arranged between the two support seats.
  • the gear is fixed in the middle of the support shaft.
  • the two ends of the support shaft are respectively hinged on the two support seats.
  • the two ends of the support shaft pass through the corresponding support seats.
  • a first drive arm is fixed on the extension end of the corresponding support seat.
  • the other end of the second drive arm is hinged with the lower end of the second drive arm, the upper end of the second drive arm is hinged on the hinge seat, and the hinge seat is fixed on the outer wall of the lower end of the wind cylinder; the gear is provided with an adjustment mechanism for driving it to rotate or stop.
  • the nut seat is in the shape of a "U" shape, the two ends of the nut are respectively hinged on the two arms of the nut seat through bearings, and a hexagonal boss is formed in the middle of the nut, and the hexagonal boss is located between the two arms of the nut seat.
  • the right angle is formed with a through hole penetrating up and down, a shaft sleeve is sleeved and fixed in the through hole, the inner diameter of the shaft sleeve is in clearance fit with the outer diameter of the guide rod, and the guide rod is inserted and sleeved in the shaft sleeve.
  • the minimum distance between the two guide rods is greater than the outer diameter of the wind cylinder.
  • a spline shaft is formed in the middle of the support shaft, and the spline shaft is inserted and fixed on the gear.
  • a gear relief groove is formed on the bottom plate.
  • the outstanding effect of the present invention is that compared with the prior art, it can adjust the height of the air duct to different positions to meet the needs of different customers.
  • Figure 1 is a schematic diagram of the structure of the present invention
  • Figure 2 is a cross-sectional view of the present invention
  • Fig. 3 is a cross-sectional view of Fig. 2 on A-A.
  • an axial fan with adjustable height and position includes a wind tube 11, a motor 12 is fixed in the wind tube 11, and an impeller 13 is fixedly connected to the motor shaft of the motor 12,
  • the air cylinder 11 is fixed with two symmetrically arranged legs 21, each leg 21 is sleeved on a corresponding vertical guide rod 22, and the two guide rods 22 are respectively fixed on both ends of the bottom plate 23 ,
  • the middle of the bottom plate 23 is fixed with two front and rear support seats 24, between the two support seats 24 is provided with a gear 25, the gear 25 is fixed in the middle of the support shaft 26, both ends of the support shaft 26 are hinged on the two supports
  • a first drive arm 27 is fixed on the two ends of the support shaft 26 passing through the corresponding extension end of the support base 24, and the other end of the first drive arm 27 is hinged with the lower end of the second drive arm 28.
  • the upper ends of the two driving arms 28 are hinged on a hinged base 29, which is fixed on the outer wall of the lower end of the
  • the adjustment mechanism 3 includes a rack 31 meshing with the gear 25.
  • the left end of the rack 31 is inserted and sleeved in the rectangular guide hole 321 of the guide seat 32.
  • the guide seat 32 is fixed on the bottom plate 23.
  • the right end of the bar 31 is fixed with a screw 33, the screw 33 is screwed with a nut 34, the nut 34 is hinged on the nut base 35, and the nut base 35 is fixed on the bottom plate 23.
  • the axial flow fan with adjustable height position characterized in that: the nut base 35 is in a "U" shape, and both ends of the nut 34 are hinged to the nut base 35 through bearings 36.
  • a hexagonal boss 341 is formed in the middle of the nut 34, and the hexagonal boss 341 is located between the two arms of the nut seat 35.
  • the right angle 21 is formed with a through hole that penetrates up and down, and a shaft sleeve 41 is sleeved and fixed in the through hole.
  • the inner diameter of the shaft sleeve 41 is in clearance fit with the outer diameter of the guide rod 22.
  • the guide rod 22 is inserted and sleeved in the shaft sleeve 41.
  • the minimum distance between the two guide rods 22 is greater than the outer diameter of the air cylinder 11.
  • a spline shaft 261 is formed in the middle of the support shaft 26, and the spline shaft 261 is inserted and fixed on the gear 25.
  • each end of the support shaft 26 is formed with a first positioning key groove 262
  • the end of the first drive arm 27 connected to the support shaft 26 is formed with a shaft hole
  • a second shaft hole is formed in the shaft hole.
  • the positioning key groove 271 the end of the supporting shaft 26 is inserted and fixed in the shaft hole, and a flat key 42 is clamped between the first positioning key groove 262 and the second positioning key groove 271.
  • a gear relief groove 231 is formed on the bottom plate 23.

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

Abstract

一种高度位置可调的轴流风机，包括风筒（11），风筒（11）固定有两个左右对称设置的支脚（21），每个支脚（21）套接在导向杆（22）上，导向杆（22）固定在底板（23）上，底板（23）的中部固定有两个支撑座（24），支撑座（24）之间设有齿轮（25），齿轮（25）设有驱使其转动或静止的调节机构（3），齿轮（25）固定在支撑轴（26）的中部，支撑轴（26）的两端穿过对应的支撑座（24）的外伸出端上固定有第一驱动臂（27），第一驱动臂（27）与第二驱动臂（28）铰接，第二驱动臂（28）与铰接座（29）铰接，铰接座（29）固定在风筒（11）的下端外壁上。该风机可以将风筒高度调节到不同的位置。

Description

一种高度位置可调的轴流风机 技术领域
本发明涉及风机技术领域，具体涉及一种高度位置可调的轴流风机。
背景技术
现有的轴流风机一般是将风筒固定在底座上，不能根据需要调节风筒的高度，不能满足不同客户的需求。
发明内容
本发明的目的是克服现有技术的不足，提供一种高度位置可调的轴流风机，它可以将风筒高度调节到不同的位置，以满足不同客户的需求。
本发明解决所述技术问题的方案是：
一种高度位置可调的轴流风机，包括风筒，风筒内固定有电机，电机的电机轴上固定连接有叶轮，所述风筒的固定有两个左右对称设置的支脚，每个支脚套接在对应的一根竖直设置的导向杆上，两根导向杆分别固定在底板的两端，底板的中部固定有两个前后设置的支撑座，两个支撑座之间设有齿轮，齿轮固定在支撑轴的中部，支撑轴的两端分别铰接在两个支撑座上，支撑轴的两端穿过对应的支撑座的外伸出端上固定有第一驱动臂，第一驱动臂的另一端与第二驱动臂的下端铰接，第二驱动臂的上端铰接在铰接座上，铰接座固定在风筒的下 端外壁上；所述齿轮设有驱使其转动或静止的调节机构。
所述调节机构包括与齿轮啮合的齿条，齿条的左端插套在导向座的矩形导向孔内，导向座固定在底板上，所述齿条的右端固定有螺杆，螺杆螺接有螺母，螺母铰接在螺母座上，螺母座固定在底板上。
所述螺母座呈“U”字型，螺母的两端分别通过轴承铰接在螺母座的两支臂上，螺母的中部成型有六角凸台，六角凸台位于螺母座的两支臂之间。
所述直角上成型有上下贯穿的通孔，通孔内套接有并固定有轴套，所述轴套的内径与导向杆的外径间隙配合，所述导向杆插套在轴套内。
两根所述导向杆之间的最小间距大于风筒的外径。
所述支撑轴的中部成型有花键轴，花键轴插套并固定在齿轮上。
所述支撑轴的两端各成型有一个第一定位键槽，所述第一驱动臂与支撑轴连接的端部成型有轴孔，轴孔内成型有第二定位键槽，支撑轴的端部插套并固定在轴孔内，第一定位键槽和第二定位键槽之间夹持有平键。
所述底板上成型有齿轮让位槽。
本发明的突出效果是：与现有技术相比，它可以将风筒高度调节到不同的位置，以满足不同客户的需求。
附图说明
图1为本发明的结构示意图；
图2为本发明的剖视图；
图3为图2关于A-A的剖视图。
具体实施方式
实施例，见如图1至图3所示，一种高度位置可调的轴流风机，包括风筒11，风筒11内固定有电机12，电机12的电机轴上固定连接有叶轮13，所述风筒11的固定有两个左右对称设置的支脚21，每个支脚21套接在对应的一根竖直设置的导向杆22上，两根导向杆22分别固定在底板23的两端，底板23的中部固定有两个前后设置的支撑座24，两个支撑座24之间设有齿轮25，齿轮25固定在支撑轴26的中部，支撑轴26的两端分别铰接在两个支撑座24上，支撑轴26的两端穿过对应的支撑座24的外伸出端上固定有第一驱动臂27，第一驱动臂27的另一端与第二驱动臂28的下端铰接，第二驱动臂28的上端铰接在铰接座29上，铰接座29固定在风筒11的下端外壁上；所述齿轮25设有驱使其转动或静止的调节机构3。
更进一步的说，所述调节机构3包括与齿轮25啮合的齿条31，齿条31的左端插套在导向座32的矩形导向孔321内，导向座32固定在底板23上，所述齿条31的右端固定有螺杆33，螺杆33螺接有螺母34，螺母34铰接在螺母座35上，螺母座35固定在底板23上。
3、根据权利要求2所述的一种高度位置可调的轴流风机，其特征在于：所述螺母座35呈“U”字型，螺母34的两端分别通过轴承36铰接在螺母座35的两支臂上，螺母34的中部成型有六角凸台341，六角凸台341位于螺母座35的两支臂之间。
更进一步的说，所述直角21上成型有上下贯穿的通孔，通孔内 套接有并固定有轴套41，所述轴套41的内径与导向杆22的外径间隙配合，所述导向杆22插套在轴套41内。
更进一步的说，两根所述导向杆22之间的最小间距大于风筒11的外径。
更进一步的说，所述支撑轴26的中部成型有花键轴261，花键轴261插套并固定在齿轮25上。
更进一步的说，所述支撑轴26的两端各成型有一个第一定位键槽262，所述第一驱动臂27与支撑轴26连接的端部成型有轴孔，轴孔内成型有第二定位键槽271，支撑轴26的端部插套并固定在轴孔内，第一定位键槽262和第二定位键槽271之间夹持有平键42。
更进一步的说，所述底板23上成型有齿轮让位槽231。
工作原理：当需要调节风筒的高度时，通过外界的扳手等工具转动螺母34上的六角凸台，螺母34带动螺杆33向右移动，螺杆33带动齿条31向右移动，齿条31带动齿轮25顺时针翻转一定角度，齿轮25通过支撑轴26带动两个第一驱动臂27的外端逆时针翻转移动角度，第一驱动臂27的外端高度提升，第一驱动臂27通过第二驱动臂28、及铰接座29带动风筒11沿导向杆22上移。
最后，以上实施方式仅用于说明本发明，而并非对本发明的限制，有关技术领域的普通技术人员，在不脱离本发明的精神和范围的情况下，还可以做出各种变化和变型，因此所有等同的技术方案也属于本发明的范畴，本发明的专利保护范围应由权利要求限定。

Claims (8)

  1. 一种高度位置可调的轴流风机，包括风筒(11)，风筒(11)内固定有电机(12)，电机(12)的电机轴上固定连接有叶轮(13)，其特征在于：所述风筒(11)的固定有两个左右对称设置的支脚(21)，每个支脚(21)套接在对应的一根竖直设置的导向杆(22)上，两根导向杆(22)分别固定在底板(23)的两端，底板(23)的中部固定有两个前后设置的支撑座(24)，两个支撑座(24)之间设有齿轮(25)，齿轮(25)固定在支撑轴(26)的中部，支撑轴(26)的两端分别铰接在两个支撑座(24)上，支撑轴(26)的两端穿过对应的支撑座(24)的外伸出端上固定有第一驱动臂(27)，第一驱动臂(27)的另一端与第二驱动臂(28)的下端铰接，第二驱动臂(28)的上端铰接在铰接座(29)上，铰接座(29)固定在风筒(11)的下端外壁上；所述齿轮(25)设有驱使其转动或静止的调节机构(3)。
  2. 根据权利要求1所述的一种高度位置可调的轴流风机，其特征在于：所述调节机构(3)包括与齿轮(25)啮合的齿条(31)，齿条(31)的左端插套在导向座(32)的矩形导向孔(321)内，导向座(32)固定在底板(23)上，所述齿条(31)的右端固定有螺杆(33)，螺杆(33)螺接有螺母(34)，螺母(34)铰接在螺母座(35)上，螺母座(35)固定在底板(23)上。
  3. 根据权利要求2所述的一种高度位置可调的轴流风机，其特征在于：所述螺母座(35)呈“U”字型，螺母(34)的两端分别通过轴承(36)铰接在螺母座(35)的两支臂上，螺母(34)的中部成 型有六角凸台(341)，六角凸台(341)位于螺母座(35)的两支臂之间。
  4. 根据权利要求1所述的一种高度位置可调的轴流风机，其特征在于：所述直角(21)上成型有上下贯穿的通孔，通孔内套接有并固定有轴套(41)，所述轴套(41)的内径与导向杆(22)的外径间隙配合，所述导向杆(22)插套在轴套(41)内。
  5. 根据权利要求1所述的一种高度位置可调的轴流风机，其特征在于：两根所述导向杆(22)之间的最小间距大于风筒(11)的外径。
  6. 根据权利要求1所述的一种高度位置可调的轴流风机，其特征在于：所述支撑轴(26)的中部成型有花键轴(261)，花键轴(261)插套并固定在齿轮(25)上。
  7. 根据权利要求1所述的一种高度位置可调的轴流风机，其特征在于：所述支撑轴(26)的两端各成型有一个第一定位键槽(262)，所述第一驱动臂(27)与支撑轴(26)连接的端部成型有轴孔，轴孔内成型有第二定位键槽(271)，支撑轴(26)的端部插套并固定在轴孔内，第一定位键槽(262)和第二定位键槽(271)之间夹持有平键(42)。
  8. 根据权利要求1所述的一种高度位置可调的轴流风机，其特征在于：所述底板(23)上成型有齿轮让位槽(231)。
PCT/CN2020/098567 2019-07-22 2020-06-28 一种高度位置可调的轴流风机 WO2021012881A1 (zh)

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CN110792146A (zh) * 2019-11-25 2020-02-14 苏州哲思达智能设备科技有限公司 一种高度可调的智能马桶

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