CN2537842Y - 一种离心通风机 - Google Patents

一种离心通风机 Download PDF

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CN2537842Y
CN2537842Y CN 02214256 CN02214256U CN2537842Y CN 2537842 Y CN2537842 Y CN 2537842Y CN 02214256 CN02214256 CN 02214256 CN 02214256 U CN02214256 U CN 02214256U CN 2537842 Y CN2537842 Y CN 2537842Y
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王洪义
盖京方
刘树
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Abstract

一种离心通风机,包括进风口、机壳、叶轮和支架,其特征在于机壳的前侧板开小孔,并压制R弧成前盖板形侧板,同时将盖板筒和盖板法兰焊接于R弧形侧板上;机壳的后侧板开可装入叶轮的大孔,孔的外圆侧板上攻丝;支架的前端焊有圆形后盖板,该后盖板的中心开有电机(或传动组)轴孔,外圆周上钻有与上述后侧板上的丝孔对应的螺栓孔。本实用新型设计合理,一是有利于节省制作材料,二是机壳与支架互换性好,三是风机角度便于调换,四是检修方便。

Description

一种离心通风机
技术领域:本实用新型属风机技术,涉及一种离心式通风机。
背景技术:现有技术的离心通风机,它的机壳与前盖板一般都是分离式的,比较浪费材料,机壳前侧板开可装入叶轮的大孔,前盖板的盖板通常是单独压制成R弧形,因压制变形安装时与机壳配合不当,出现间隙,外观质量差;机壳的后侧板中心开电机(或传动组)轴孔,后侧板钻6个螺栓孔,直接固定在支架上,由于支架螺栓孔钻孔定位难度大,精度低,致使机壳与支架的互换性差,同时风机装完后出风口角度也不能调换;另外,其安装是先安装机壳,后安装叶轮,检修时必须大拆。极不方便。
技术内容:本实用新型的目的是为克服现有技术所存在的上述缺陷,而提供一种新型的离心通风机。该离心通风机是在现有技术风机的基础上改进实现的,它包括进风口、机壳、叶轮、支架和电机(或传动组),其特征在于机壳的前侧板开小孔,并压制R弧成前盖板形侧板,同时将盖板筒和盖板法兰焊接于R弧形侧板上,使之取代分离式前盖板,成为机壳的一部分;机壳的后侧板开可装入叶轮的大孔,孔的外圆侧板上攻丝;支架的前端焊有可连接安装机壳并可密封机壳后侧板大孔的圆形后盖板,该后盖板的中心开有电机(或传动组)轴孔,后盖板外圆周上钻有与后侧板丝孔对应的螺栓孔。
本实用新型设计合理,一是机壳的前侧板,先开小孔后压R弧,使前盖板成为前侧板的一部分,既有利于节约制作材料,又减少压制变形,外观及刚性好;二是由于机壳的后侧板开可装入叶轮的大孔,装配时可先安装叶轮,后安装机壳,检修时不用大拆,非常方便;支架的前端焊有圆形后盖板,安装时,机壳与该后盖板连接,后盖板上螺栓孔容易定位,精确度高,机壳与支架互换性好,并且风机装完后出风口角度仍能方便调节。
附图说明:图1是本实用新型的主视结构示意图
      图2是本实用新型的后视图
具体实施方式:附图给出了本实用新型的具体实施例,根据图1、图2所示,图中1是进风口,与现有进风口相同,3是机壳,机壳3的前侧板开小孔,并压制R弧,然后将盖板筒和盖板法兰焊接于R弧形侧板2上,使之与机壳3成为一体;机壳3的后侧板开可装入叶轮4的大孔,使装配时可先装叶轮4,后装机壳3,方便于今后的检修;大孔的外圆机壳侧板上攻丝;支架7的前端焊有圆形后盖板5,该后盖板5的中心开有电机(或传动组)8的轴孔,外圆周上钻有与上述后侧板上丝孔对应的螺栓孔,安装时,机壳3连接安装于该圆形后该板5上。盖板上螺栓孔钻孔容易定位,精度高,便于机壳3与支架7的安装和互换以及出风口角度的调换。
为了使风机更便于用户安装使用,减轻生产厂家为满足用户不同要求,必须生产多种角度风机的麻烦,所说机壳后侧板和圆形后盖板上的螺栓孔优选为16个,并且均布,使风机出风口位置在0-270度之间间隔22.5度任意调节。
为增加风机强度,进一步提高风机运行的稳定性和可靠性,所说圆形后盖板5上压有环形加强筋6。

Claims (3)

1、一种离心通风机,包括进风口(1)、机壳(3)、叶轮(4)、支架(7)和电机(或传动组)(8),其特征在于机壳(3)的前侧板开小孔,并压制R弧成前盖板形侧板(2),然后将盖板筒和盖板法兰焊接于R弧形侧板上;机壳(3)的后侧板开可装入叶轮(4)的大孔,孔的外圆侧板上攻丝;支架(7)的前端焊有可连接安装机壳的圆形后盖板(5),该后盖板的中心开有电机(或传动组)轴孔,外圆周上钻有与上述后侧板上的丝孔对应的螺栓孔。
2、根据权利要求1所述的离心通风机,其特征在于所说机壳后侧板和圆形后盖板上的螺栓孔为16个,并且均布。
3、根据权利要求1或2所述的离心通风机,其特征在于所说圆形后盖板(5)上压制有环形加强筋(6)
CN 02214256 2002-04-19 2002-04-19 一种离心通风机 Expired - Fee Related CN2537842Y (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101975273A (zh) * 2010-11-19 2011-02-16 苏州顶裕节能设备有限公司 密封补偿环
CN101975192A (zh) * 2010-07-28 2011-02-16 苏州顶裕节能设备有限公司 一种叶轮前盖板
CN102155421A (zh) * 2011-04-06 2011-08-17 无锡锡山特种风机有限公司 饲料机械除尘器配套用离心风机

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101975192A (zh) * 2010-07-28 2011-02-16 苏州顶裕节能设备有限公司 一种叶轮前盖板
CN101975273A (zh) * 2010-11-19 2011-02-16 苏州顶裕节能设备有限公司 密封补偿环
CN102155421A (zh) * 2011-04-06 2011-08-17 无锡锡山特种风机有限公司 饲料机械除尘器配套用离心风机

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