WO2021203558A1 - 一种斜向出风口离心通风机 - Google Patents

一种斜向出风口离心通风机 Download PDF

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Publication number
WO2021203558A1
WO2021203558A1 PCT/CN2020/098675 CN2020098675W WO2021203558A1 WO 2021203558 A1 WO2021203558 A1 WO 2021203558A1 CN 2020098675 W CN2020098675 W CN 2020098675W WO 2021203558 A1 WO2021203558 A1 WO 2021203558A1
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Prior art keywords
fixed
air outlet
side wall
filter
guide sleeve
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PCT/CN2020/098675
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English (en)
French (fr)
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梁忠义
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台州市杰龙风机厂
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Publication of WO2021203558A1 publication Critical patent/WO2021203558A1/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
    • 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
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • 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
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • 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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/626—Mounting or removal of 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • 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
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards

Definitions

  • the invention relates to the technical field of ventilation equipment, and more specifically to a centrifugal fan with an oblique air outlet.
  • the general air outlet is vertical upwards. In some specific environments, it is necessary to adopt a downward air outlet structure, but it does not exist now. It can only be guided by the connecting pipe, and its effect is limited. At the same time, the air outlet generally does not have a filter mechanism, so that there will be dust or large particles when the air is discharged. A large number of particles in the pipe connected to the air outlet will collide in the pipe, which will generate a lot of noise and affect the use.
  • the purpose of the present invention is to provide a centrifugal fan with an oblique air outlet in view of the shortcomings of the prior art, which sets the air outlet of the volute downwards to meet the installation needs. At the same time, it installs a filter connecting pipe at the air outlet The filtering is performed to reduce impurities such as dust particles in the subsequent pipelines connected by the filtering connecting pipe, thereby reducing the noise of subsequent transportation, and the effect is good.
  • a centrifugal fan with an oblique air outlet includes a volute, a motor, a rotating shaft fixed with an impeller, and a bottom bracket.
  • the volute is fixed on the bottom bracket, and a gear box is fixed on the bottom bracket.
  • the output shaft of the gear box passes The coupling is connected with the rotating shaft, the input shaft of the gear box is fixed with a pulley, the output shaft of the motor is fixed with a transmission wheel, the belt is tensioned on the pulley and the transmission wheel, and the air outlet of the volute is at the right side Oblique side
  • a filter connecting pipe is connected to the air outlet of the volute
  • the inner side wall of the lower end of the filter connecting pipe is formed with an annular protruding ring, the air guide sleeve is inserted into the filter connecting pipe, the edge of the bottom plate of the guide sleeve is formed with a plurality of air outlet holes, and the filter sleeve is inserted into the sleeve.
  • the bottom plate of the filter screen is installed in the middle of the bottom plate of the guide sleeve.
  • the top outer side wall of the filter screen is formed with an extension edge, and the extension side is inserted into the upper inner side wall of the guide sleeve.
  • the extended edge is fixedly connected to the bottom surface of the annular sealing groove by bolts;
  • the side plate of the filter mesh cylinder is a filter mesh sleeve.
  • a plurality of support rods are fixed on the front wall surface and the rear wall surface of the volute, and the bottom ends of the support rods are fixed on the top surface of the main bottom plate.
  • a support frame is fixed on the main bottom plate, and the gear box is fixed on the support frame.
  • the filter connecting pipe is inserted with a sound-proof elastic sleeve, the outer side wall of the bottom end of the sound-proof elastic sleeve has a bottom annular groove, the annular raised ring is nested in the bottom annular groove, and the bottom end of the sound-proof elastic sleeve is opposite to the annular raised ring. fixed.
  • the outer side wall of the sound insulation elastic sleeve is fixed on the inner side wall of the filter connecting pipe.
  • the top surface of the sound insulation elastic sleeve is fixed with a connecting ring, the upper outer side wall of the guide sleeve has a radially extending side, and the radially extending side is fixedly connected to the top surface of the connecting ring by bolts.
  • the inner side wall of the sound-proof elastic sleeve is a tapered inner side wall with a larger upper diameter and a smaller lower diameter;
  • the outer side wall of the guide sleeve is a tapered outer wall, and the tapered outer wall is in close contact with the tapered inner side wall of the sound-proof elastic sleeve.
  • the beneficial effect of the present invention is that it sets the air outlet of the volute downwards to meet the installation needs. At the same time, it installs a filter connection pipe at the air outlet for filtering, so that dust particles and other impurities are reduced in the subsequent pipeline connected by the filter connection pipe , So as to reduce the noise of subsequent conveying, and its effect is good.
  • Figure 1 is a schematic diagram of the structure of the present invention
  • Figure 2 is a partial left view of the present invention
  • Fig. 4 is a partial cross-sectional view of the filter connection pipe of the present invention.
  • an oblique air outlet centrifugal fan includes a volute 1, an electric motor 20, a rotating shaft 30 fixed with an impeller, and a bottom bracket 40.
  • the volute 1 is fixed on the bottom bracket. 40
  • a gear box 50 is fixed on the bottom bracket 40
  • the output shaft 501 of the gear box 50 is connected to the rotating shaft 30 through a coupling
  • the input shaft of the gear box 50 is fixed with a pulley 60
  • the output shaft of the motor 20 is fixed with The transmission wheel 201
  • the belt 70 is tensioned on the pulley 60 and the transmission wheel 201
  • the air outlet 11 of the volute 1 is in the oblique direction on the right side;
  • a filter connecting pipe 12 is connected to the air outlet 11 of the volute 1;
  • An annular protruding ring 13 is formed on the inner side wall of the lower end of the filter connecting pipe 12, the air guiding sleeve 14 is inserted and sleeved in the filter connecting pipe 12, and a plurality of air outlet holes 141 are formed on the edge of the bottom plate of the guiding sleeve 14 ,
  • the filter screen tube 15 is inserted and sleeved in the guide sleeve 14.
  • the bottom plate of the filter screen tube 15 is installed in the middle of the bottom plate of the guide sleeve 14. It is sleeved in the annular sealing groove 142 formed on the upper inner side wall of the guide sleeve 14, and the extending edge 151 is fixedly connected to the bottom surface of the annular sealing groove 142 by bolts;
  • the side plate of the filter mesh cylinder 15 is a filter mesh sleeve.
  • a plurality of support rods 3 are fixed on both the front wall surface and the rear wall surface of the volute 1, and the bottom ends of the support rods 3 are fixed on the top surface of the main bottom plate 41.
  • a support frame 42 is fixed on the main bottom plate 41, and the gear box 50 is fixed on the support frame 42.
  • a sound-proof elastic sleeve 16 is inserted in the filter connecting pipe 12, and the outer side wall of the bottom end of the sound-proof elastic sleeve 16 has a bottom annular groove 161.
  • the annular raised ring 13 is nested in the bottom annular groove 161, and the soundproof elastic The bottom end of the sleeve 16 is fixed with the annular raised ring 13.
  • the outer side wall of the sound insulation elastic sleeve 16 is fixed on the inner side wall of the filter connecting pipe 12.
  • a connecting ring 162 is fixed on the top surface of the sound-proof elastic sleeve 16, the upper outer side wall of the guide sleeve 14 has a radially extending edge 143, and the radially extending edge 143 is fixedly connected to the top surface of the connecting ring 162 by bolts. superior.
  • the inner side wall of the sound-proof elastic sleeve 16 is a tapered inner side wall with a larger upper diameter and a smaller lower diameter
  • the outer side wall of the guide sleeve 14 is a tapered outer wall. Close to the wall.
  • the wind enters the filter mesh cylinder 15 and is filtered through the side plate of the filter mesh cylinder 15 and then discharged into the guide sleeve 14.
  • the filtered air flows from a plurality of air outlets formed on the edge of the bottom plate of the guide sleeve 14.
  • the hole 141 is discharged and enters the subsequent equipment connected with the filter connection pipe 12, and the filtered dust accumulates in the filter mesh cylinder 15.
  • the filter connection pipe 12 can be disassembled (the filter connection pipe 12 and the volute 1
  • the air outlet 11 is connected by bolts.
  • the other end of the filter connecting pipe 12 is also connected with the subsequent pipes by bolts to achieve communication. Therefore, the filter connecting pipe 12 can be directly disassembled, which is very convenient). It is very convenient to replace.
  • the soundproof elastic sleeve 16 can reduce vibration and noise, and the effect is good.
  • the motor 20 can be electrically connected to a control host through an electrical connection line.
  • the control host is various controllers currently available on the market, which are well-known content and will not be described in detail.

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

Abstract

一种斜向出风口离心通风机，包括蜗壳（1）、电动机（20）、固定有叶轮的转动轴（30）和底支架（40），蜗壳（1）固定在底支架（40）上，底支架（40）上固定有齿轮箱（50），齿轮箱（50）的输出轴（501）通过联轴器与转动轴（30）相连接，齿轮箱（50）的输入轴固定有皮带轮（60），电动机（20）的输出轴上固定有传动轮（201），皮带（70）张紧在皮带轮（60）和传动轮（201）上，蜗壳（1）的出风口（11）处于右侧处的斜向方；蜗壳（1）的出风口（11）处通接有过滤连接管（12）；过滤连接管（12）的下端内侧壁成型有环形凸起圈（13），导风套筒（14）插套在过滤连接管（12）中。蜗壳的出风口向下设置，满足安装需要，同时，其在出风口处安装过滤连接管进行过滤，使得过滤连接管连通的后续管道中减少灰尘颗粒等杂质，从而减少后续输送的噪音。

Description

一种斜向出风口离心通风机 技术领域：
本发明涉及通风设备技术领域，更具体的说涉及一种斜向出风口离心通风机。
背景技术：
现有的离心风机中，其一般的出风口是竖直向上的，在一些特定的环境中需要采用向下出风的结构，而现在并没有，只能通过连接管进行吹风导向，其效果有限，同时，出风口一般没有过滤机构，使得出风时具有灰尘或大颗粒物质等，与出风口连通的管道中会有大量颗粒在管道中碰撞，而产生大量的噪音，影响使用。
发明内容：
本发明的目的就是针对现有技术之不足，而提供一种斜向出风口离心通风机，它将蜗壳的出风口向下设置，满足安装需要，同时，其在出风口处安装过滤连接管进行过滤，使得过滤连接管连通的后续管道中减少灰尘颗粒等杂质，从而减少后续输送的噪音，其效果好。
本发明的技术解决措施如下：
一种斜向出风口离心通风机，包括蜗壳、电动机、固定有叶轮的转动轴和底支架，所述蜗壳固定在底支架上，底支架上固定有齿轮箱，齿轮箱的输出轴通过联轴器与转动轴相连接，齿轮箱的输入轴固定有皮带轮，电动机的输出轴上固定有传动轮，皮带张紧在皮带轮和传动 轮上，所述蜗壳的出风口处于右侧处的斜向方；
所述蜗壳的出风口处通接有过滤连接管；
所述过滤连接管的下端内侧壁成型有环形凸起圈，导风套筒插套在过滤连接管中，导向套筒的底板的边部成型有多个出风通孔，过滤网筒插套在导向套筒中，过滤网筒的底板安装在导向套筒的底板的中部，过滤网筒的顶部外侧壁上成型有延伸边，延伸边插套在导向套筒的上部内侧壁上成型有的环形密封槽中，延伸边通过螺栓固定连接在环形密封槽的底面上；
所述过滤网筒的侧板为过滤网套。
所述蜗壳的前壁面和后壁面上均固定有多个支撑杆，支撑杆的底端固定在主底板的顶面上。
所述主底板上固定有支撑架，齿轮箱固定在支撑架上。
所述过滤连接管中插套有隔音弹性套，隔音弹性套的底端外侧壁具有底部环形槽，环形凸起圈嵌套在底部环形槽中，隔音弹性套的底端与环形凸起圈相固定。
所述隔音弹性套的外侧壁固定在过滤连接管的内侧壁上。
所述隔音弹性套的顶面固定有连接环，导向套筒的上部外侧壁具有径向延伸边，径向延伸边通过螺栓固定连接在连接环的顶面上。
所述隔音弹性套的内侧壁为上部直径大下部直径小的锥形内侧壁，导向套筒的外侧壁为锥形外壁，锥形外壁与隔音弹性套的锥形内侧壁相紧贴。
本发明的有益效果在于：其将蜗壳的出风口向下设置，满足安装需要，同时，其在出风口处安装过滤连接管进行过滤，使得过滤连接管连通的后续管道中减少灰尘颗粒等杂质，从而减少后续输送的噪音，其效果好。
附图说明：
图1为本发明的结构示意图；
图2为本发明的局部左视图；
图4为本发明的过滤连接管的局部剖视图。
具体实施方式：
实施例：见图1至4所示，一种斜向出风口离心通风机，包括蜗壳1、电动机20、固定有叶轮的转动轴30和底支架40，所述蜗壳1固定在底支架40上，底支架40上固定有齿轮箱50，齿轮箱50的输出轴501通过联轴器与转动轴30相连接，齿轮箱50的输入轴固定有皮带轮60，电动机20的输出轴上固定有传动轮201，皮带70张紧在皮带轮60和传动轮201上，所述蜗壳1的出风口11处于右侧处的斜向方；
所述蜗壳1的出风口11处通接有过滤连接管12；
所述过滤连接管12的下端内侧壁成型有环形凸起圈13，导风套筒14插套在过滤连接管12中，导向套筒14的底板的边部成型有多个出风通孔141，过滤网筒15插套在导向套筒14中，过滤网筒15的底板安装在导向套筒14的底板的中部，过滤网筒15的顶部外侧壁上成型有延伸边151，延伸边151插套在导向套筒14的上部内侧壁上成型有的环形密 封槽142中，延伸边151通过螺栓固定连接在环形密封槽142的底面上；
所述过滤网筒15的侧板为过滤网套。
进一步的说，所述蜗壳1的前壁面和后壁面上均固定有多个支撑杆3，支撑杆3的底端固定在主底板41的顶面上。
进一步的说，所述主底板41上固定有支撑架42，齿轮箱50固定在支撑架42上。
进一步的说，所述过滤连接管12中插套有隔音弹性套16，隔音弹性套16的底端外侧壁具有底部环形槽161，环形凸起圈13嵌套在底部环形槽161中，隔音弹性套16的底端与环形凸起圈13相固定。
进一步的说，所述隔音弹性套16的外侧壁固定在过滤连接管12的内侧壁上。
进一步的说，所述隔音弹性套16的顶面固定有连接环162，导向套筒14的上部外侧壁具有径向延伸边143，径向延伸边143通过螺栓固定连接在连接环162的顶面上。
进一步的说，所述隔音弹性套16的内侧壁为上部直径大下部直径小的锥形内侧壁，导向套筒14的外侧壁为锥形外壁，锥形外壁与隔音弹性套16的锥形内侧壁相紧贴。
工作原理：使用时，通过电动机20运行，传动轮201带动皮带70运行，使得皮带轮60运行，使得叶轮运行，实现出风；
然后，风进入过滤网筒15中，通过过滤网筒15的侧板过滤后排出到导向套筒14中，过滤后的气体从导向套筒14的底板的边部成型 有的多个出风通孔141排出，进入后续与过滤连接管12连通的设备，而过滤的灰尘积累在过滤网筒15中，等到一定量后，可以通过将过滤连接管12拆卸(过滤连接管12与蜗壳1的出风口11采用螺栓连接，同时，过滤连接管12的另一端也是通过螺栓与后续的管道连接，实现连通，因此过滤连接管12可以直接拆卸，非常方便)后，将过滤网筒15拆卸后进行更换，非常方便。
而隔音弹性套16可以减少震动和噪音，效果好。
本实施例中，电动机20可以通过电连接线与控制主机进行电连接，控制主机为现有市面上可以购买到的各种控制器，为公知内容，不再详述。

Claims (7)

  1. 一种斜向出风口离心通风机，包括蜗壳(1)、电动机(20)、固定有叶轮的转动轴(30)和底支架(40)，其特征在于：所述蜗壳(1)固定在底支架(40)上，底支架(40)上固定有齿轮箱(50)，齿轮箱(50)的输出轴(501)通过联轴器与转动轴(30)相连接，齿轮箱(50)的输入轴固定有皮带轮(60)，电动机(20)的输出轴上固定有传动轮(201)，皮带(70)张紧在皮带轮(60)和传动轮(201)上，所述蜗壳(1)的出风口(11)处于右侧处的斜向方；
    所述蜗壳(1)的出风口(11)处通接有过滤连接管(12)；
    所述过滤连接管(12)的下端内侧壁成型有环形凸起圈(13)，导风套筒(14)插套在过滤连接管(12)中，导向套筒(14)的底板的边部成型有多个出风通孔(141)，过滤网筒(15)插套在导向套筒(14)中，过滤网筒(15)的底板安装在导向套筒(14)的底板的中部，过滤网筒(15)的顶部外侧壁上成型有延伸边(151)，延伸边(151)插套在导向套筒(14)的上部内侧壁上成型有的环形密封槽(142)中，延伸边(151)通过螺栓固定连接在环形密封槽(142)的底面上；
    所述过滤网筒(15)的侧板为过滤网套。
  2. 根据权利要求1所述的一种斜向出风口离心通风机，其特征在于：所述蜗壳(1)的前壁面和后壁面上均固定有多个支撑杆(3)，支撑杆(3)的底端固定在主底板(41)的顶面上。
  3. 根据权利要求1所述的一种斜向出风口离心通风机，其特征在于：所述主底板(41)上固定有支撑架(42)，齿轮箱(50)固定在 支撑架(42)上。
  4. 根据权利要求1所述的一种斜向出风口离心通风机，其特征在于：所述过滤连接管(12)中插套有隔音弹性套(16)，隔音弹性套(16)的底端外侧壁具有底部环形槽(161)，环形凸起圈(13)嵌套在底部环形槽(161)中，隔音弹性套(16)的底端与环形凸起圈(13)相固定。
  5. 根据权利要求1所述的一种斜向出风口离心通风机，其特征在于：所述隔音弹性套(16)的外侧壁固定在过滤连接管(12)的内侧壁上。
  6. 根据权利要求1所述的一种斜向出风口离心通风机，其特征在于：所述隔音弹性套(16)的顶面固定有连接环(162)，导向套筒(14)的上部外侧壁具有径向延伸边(143)，径向延伸边(143)通过螺栓固定连接在连接环(162)的顶面上。
  7. 根据权利要求4所述的一种斜向出风口离心通风机，其特征在于：所述隔音弹性套(16)的内侧壁为上部直径大下部直径小的锥形内侧壁，导向套筒(14)的外侧壁为锥形外壁，锥形外壁与隔音弹性套(16)的锥形内侧壁相紧贴。
PCT/CN2020/098675 2020-04-10 2020-06-29 一种斜向出风口离心通风机 WO2021203558A1 (zh)

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