WO2022011677A1 - 一种耐腐蚀风机的抽风装置 - Google Patents

一种耐腐蚀风机的抽风装置 Download PDF

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Publication number
WO2022011677A1
WO2022011677A1 PCT/CN2020/102662 CN2020102662W WO2022011677A1 WO 2022011677 A1 WO2022011677 A1 WO 2022011677A1 CN 2020102662 W CN2020102662 W CN 2020102662W WO 2022011677 A1 WO2022011677 A1 WO 2022011677A1
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WIPO (PCT)
Prior art keywords
casing
fan
base
fan blade
protective net
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PCT/CN2020/102662
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English (en)
French (fr)
Inventor
张毅
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南京江东实业总公司白鹭公司
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Application filed by 南京江东实业总公司白鹭公司 filed Critical 南京江东实业总公司白鹭公司
Priority to PCT/CN2020/102662 priority Critical patent/WO2022011677A1/zh
Publication of WO2022011677A1 publication Critical patent/WO2022011677A1/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
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/34—Blade mountings
    • 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
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/34—Blade mountings
    • F04D29/36—Blade mountings adjustable

Definitions

  • the utility model belongs to the technical field of fans, in particular to an air extraction device of a corrosion-resistant fan.
  • the fan is a machine that relies on the input mechanical energy to increase the gas pressure and discharge the gas. It is a driven fluid machine.
  • the fan is widely used in factories, mines, tunnels, cooling towers, vehicles, ships and buildings. Ventilation and dust removal and cooling, ventilation and induced draft of boilers and industrial furnaces, the main structural components of fans are fan blades, casings, air inlets, brackets, motors, pulleys, couplings, transmission parts (bearings), etc. It is composed of fan blades, and the rotation of the fan blades draws the air into the inside of the fan and discharges it from the exhaust port to complete the entire air extraction process.
  • the existing fan blades still have some deficiencies in use: when the existing fan blades are in use, because the fan generally aligns the air inlet to the room, and the exhaust port is outward, the fan blade can rotate the indoor air. Extract the outdoor air, but when the outdoor air needs to be drawn into the room, since the fan blade and the base are fixed by welding, the entire fan must be removed and installed in reverse to draw the outdoor air into the room, and the overall operation is rather cumbersome. , is not convenient enough.
  • the purpose of this utility model is to provide a kind of ventilation device of a corrosion-resistant fan, so as to solve the problem that when the existing fan blade proposed in the above-mentioned background technology is in use, because the fan generally aligns the air inlet to the room, and the air outlet is outward, so that the After the fan blade rotates, the indoor air can be drawn out of the room, but when the outdoor air needs to be drawn into the room, since the fan blade and the base are fixed by welding, the entire fan must be removed and installed in reverse to remove the outdoor air. The air is drawn into the room, and the overall operation is cumbersome and not convenient enough.
  • an air extraction device for a corrosion-resistant fan comprising a casing, the interior of the casing is provided with a runner, and the surface of the runner is provided with four integrated bases.
  • the end of the base is provided with a fan blade, and the end of the fan blade is provided with an integral connecting rod, the fan blade and the base are connected by the connecting rod, and the interior of the base is provided with a connecting rod.
  • the end surface of the connecting rod is symmetrically provided with four integral limit blocks, and the interior of the base is provided with four integral limit blocks.
  • protective nets are connected on both sides of the casing, three butterfly bolts are arranged at the connection between the top end of the protective net and the casing, and rotating stop pins are arranged on both sides of the protective net, and
  • the rotating blocking pin is located on the surface of the casing, a rotating shaft is provided at the connection between the rotating blocking pin and the casing, and the top end of the rotating blocking pin is fitted with the protective net.
  • the surface of the fan blade is a smooth curved surface, and the surface of the fan blade is coated with a layer of polyolefin coating.
  • the top end of the protective net is provided with three bolt holes, and the inner top of the casing is provided with corresponding bolt holes.
  • the top surface of one end of the rotation stopper pin is provided with an integral projection, and the top end of the rotation stopper pin is provided with a torsion spring.
  • Fig. 1 is the structural representation of the utility model
  • FIG. 2 is a schematic structural diagram of the protective net of the present invention in an open state
  • Fig. 3 is a schematic diagram of the cross-sectional structure of the connection between the fan blade and the base of the present invention
  • FIG. 4 is a schematic cross-sectional side view of the limiting groove of the present invention.
  • Fig. 5 is the bottom cross-sectional structural schematic diagram of the rotary stop pin according to Embodiment 2 of the present utility model
  • an air extraction device for a corrosion-resistant fan comprising a casing 1, a runner 3 is arranged inside the casing 1, and a surface of the runner 3 is provided with Four integrated bases 8, the end of the base 8 is provided with a fan blade 4, and the end of the fan blade 4 is provided with an integrated connecting rod 7, and the fan blade 4 and the base 8 are connected by the connecting rod 7 , the interior of the base 8 is provided with a spring chamber 10, and the end of the spring chamber 10 is connected with a rectangular block 12 through a spring, the end of the connecting rod 7 is located inside the base 8, and the end of the connecting rod 7 is provided with a connecting block 11.
  • a rotating bearing 9 is arranged between the connecting block 11 and the connecting rod 7.
  • the connecting rod 7 can rotate on the surface of the connecting block 11, and the bottom end of the connecting block 11 is located inside the spring chamber 10 and is in line with the rectangular shape.
  • the blocks 12 fit together, and the rectangular block 12 is arranged so that the inner spring of the spring chamber 10 can exert a thrust on the connecting block 11 to fix the connecting rod 7, and the end surface of the connecting rod 7 is symmetrically provided with four integral limit blocks 14.
  • An annular groove 13 is opened inside the base 8, and the annular groove 13 is located on one side of the spring chamber 10.
  • One side of the annular groove 13 is provided with four limit grooves 15, and the limit block 14 is located in the limit groove 15.
  • the annular groove 13 is provided, so that the limiting block 14 can be rotated when sliding out from the interior of the limiting groove 15 to the interior of the annular groove 13 .
  • the surface of the fan blade 4 is a smooth curved surface, and the surface of the fan blade 4 is coated with a layer of polyolefin coating.
  • an air extraction device for a corrosion-resistant fan comprising a casing 1 , a runner 3 is arranged inside the casing 1 , and a surface of the runner 3 is provided with Four integrated bases 8, the end of the base 8 is provided with a fan blade 4, and the end of the fan blade 4 is provided with an integrated connecting rod 7, and the fan blade 4 and the base 8 are connected by the connecting rod 7 , the interior of the base 8 is provided with a spring chamber 10, and the end of the spring chamber 10 is connected with a rectangular block 12 through a spring, the end of the connecting rod 7 is located inside the base 8, and the end of the connecting rod 7 is provided with a connecting block 11.
  • a rotating bearing 9 is arranged between the connecting block 11 and the connecting rod 7.
  • the connecting rod 7 can rotate on the surface of the connecting block 11, and the bottom end of the connecting block 11 is located inside the spring chamber 10 and is in line with the rectangular shape.
  • the blocks 12 fit together, and the rectangular block 12 is arranged so that the inner spring of the spring chamber 10 can exert a thrust on the connecting block 11 to fix the connecting rod 7, and the end surface of the connecting rod 7 is symmetrically provided with four integral limit blocks 14.
  • An annular groove 13 is opened inside the base 8, and the annular groove 13 is located on one side of the spring chamber 10.
  • One side of the annular groove 13 is provided with four limit grooves 15, and the limit block 14 is located in the limit groove 15.
  • the annular groove 13 is provided, so that the limiting block 14 can be rotated when sliding out from the interior of the limiting groove 15 to the interior of the annular groove 13 .
  • the two surfaces of the casing 1 are connected with the protective net 6 through hinges, and the protective net 6 is connected to the surface of the protective net 6.
  • Three butterfly bolts 5 are arranged at the connection between the top end and the casing 1. By setting the butterfly bolts 5, the operator can open or fix the protective net 6 with his bare hands.
  • the blocking pin 2 is located on the surface of the casing 1, a rotating shaft 16 is provided at the connection between the rotating blocking pin 2 and the casing 1, and the top end of the rotating blocking pin 2 is in contact with the protective net 6.
  • the net 6 is reinforced after being fixed.
  • the surface of the fan blade 4 is a smooth curved surface, and the surface of the fan blade 4 is coated with a layer of polyolefin coating.
  • the top of the protective net 6 is provided with three bolt holes, and the inner top of the casing 1 is provided with corresponding bolt holes.
  • Bolt hole is provided in order to fix the protective net 6 on the surface of the casing 1 by the butterfly bolts 5, in this embodiment, preferably, the top of the protective net 6 is provided with three bolt holes, and the inner top of the casing 1 is provided with corresponding bolt holes.
  • an integral bump 17 is provided on the top surface of one end of the rotary blocking pin 2, and the top end of the rotary blocking pin 2 is provided with a torsion spring 18.
  • the torsion spring 18 can clamp the protective net 6 when the top end of the rotating blocking pin 2 is in contact with the protective net 6 .
  • the working principle and use process of the utility model when the utility model is in use, the external power supply is first connected, and then the internal motor of the fan is started, so that the belt drives the runner 3 to rotate, so that the four fan blades 4 rotate inside the casing 1 The air is drawn into the casing 1 and discharged from the outer exhaust port to complete the entire ventilation process;
  • the connecting rod 7 can be rotated under the action of the rotating bearing 9, and the fan blade 4 is rotated one hundred and eighty degrees at this time, and the limit is The position block 14 rotates inside the annular groove 13 and is aligned with the limit groove 15, and then slowly loosens the fan blade 4, the rectangular block 12 will push the connection block 11 outward under the action of the spring in the spring chamber 10, and the connection The block 11 will push the connecting rod 7 out, and make the limit block 14 slide into the limit slot 15, so that the fan blade 4 can be fixed, and the other three fan blades 4 can be rotated one hundred and eighty degrees in the same way.
  • the fan blade 4 which can make the air flow direction inside the casing 1 face the room, so that the outdoor air is drawn into the room when the fan is started, which solves the problem that the original device must disassemble the fan as a whole from the wall surface and install it in reverse to change the air inside the fan.
  • the problem of flow direction at the same time, because the surface of the fan blade 4 is coated with a layer of polyolefin coating, the fan blade 4 has a certain anti-corrosion;

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

Abstract

一种耐腐蚀风机的抽风装置，包括机壳（1），机壳的内部设置有转轮（3），且转轮的表面设有四个一体式的基座（8），基座的端部设置有扇叶（4），且扇叶的端部设有一体式的连接杆（7），扇叶与基座通过连接杆进行连接，基座的内部设置有弹簧室（10），且弹簧室端部连接有矩形块（12）；当需要改变风机内部空气流向，将室外空气抽入室内时，只需将扇叶往基座的方向推入，并旋转一百八十度且被限位块（14）固定，再用同样的方法将其余三个扇叶也旋转一百八十度，即可使得机壳内部的空气流动方向朝向室内，从而在风机启动时将室外空气抽入室内，解决了原装置必须将风机整体从墙体表面拆卸，并反向安装才能改变风机内部空气流动方向的问题。

Description

一种耐腐蚀风机的抽风装置 技术领域
本实用新型属于风机技术领域，具体涉及一种耐腐蚀风机的抽风装置。
背景技术
风机是依靠输入的机械能，提高气体压力并排送气体的机械，它是一种从动的流体机械，风机广泛用于工厂、矿井、隧道、冷却塔、车辆、船舶和建筑物的通风、排尘和冷却，锅炉和工业炉窑的通风和引风，风机的主要结构部件是扇叶、机壳、进风口、支架、电机、皮带轮、联轴器、传动件(轴承)等，而抽风装置主要由扇叶组成，扇叶旋转将空气抽入风机内部，并从排风口排出，完成整个抽风过程。
现有的扇叶在使用时仍然存在一些不足之处：现有的扇叶在使用时，由于风机一般将进风口对准室内，而排风口对外，使得扇叶旋转后可以将室内的空气抽出室外，但当需要将室外空气抽入室内时，由于扇叶与基座之间通过焊接固定，则必须将整个风机拆下，并反向安装才能将室外空气抽入室内，整体操作较为繁琐，不够便利。
实用新型内容
本实用新型的目的在于提供一种耐腐蚀风机的抽风装置，以解决上述背景技术中提出的现有的扇叶在使用时，由于风机一般将进风口对准室内，而排风口对外，使得扇叶旋转后可以将室内的空气抽出室外，但当需要将室外空气抽入室内时，由于扇叶与基座之间通过焊接固定，则必须将整个风机拆下，并反向安装才能将室外空气抽入室内，整体操作较为繁琐，不够便利问题。
为实现上述目的，本实用新型提供如下技术方案：一种耐腐蚀风机的抽风装置，包括机壳，所述机壳的内部设置有转轮，且转轮的表面设有四个一体式的基座，所述基座的端部设置有扇叶，且所述扇叶的端部设有一体式的 连接杆，所述扇叶与基座通过连接杆进行连接，所述基座的内部设置有弹簧室，且弹簧室端部连接有矩形块，所述连接杆的端部处于基座的内部，且所述连接杆的端部设置有连接块，所述连接块与连接杆之间设置有旋转轴承，且连接块的底端处于弹簧室的内部并与矩形块相贴合，所述连接杆的端部表面对称设有四个一体式的限位块，所述基座的内部开设有环形槽，且环形槽处于弹簧室的一侧，所述环形槽的一侧开设有四个限位槽，且所述限位块处于限位槽的内部。
优选的，所述机壳的两侧表面均连接有防护网，所述防护网的顶端与机壳的连接处设置有三个蝶形螺栓，所述防护网的两侧设置有旋转挡销，且旋转挡销处于机壳的表面，所述旋转挡销与机壳的连接处设置有转轴，且旋转挡销的顶端与防护网相贴合。
优选的，所述扇叶的表面为光滑的曲面，且所述扇叶的表面涂有一层聚烯烃涂层。
优选的，所述防护网的顶端开设有三个螺栓孔，且机壳的内侧顶部设有与之相对应的螺栓孔。
优选的，所述旋转挡销的一端顶部表面设有一体式的凸块，所述旋转挡销的顶端设置有扭簧。
与现有技术相比，本实用新型的有益效果是：
1、当需要改变风机内部空气流向，将室外空气抽入室内时，只需将扇叶往基座的方向推入，并旋转一百八十度且被限位块固定，再用同样的方法将其余三个扇叶也旋转一百八十度，即可使得机壳内部的空气流动方向朝向室内，从而在风机启动时将室外空气抽入室内，解决了原装置必须将风机整体从墙体表面拆卸，并反向安装才能改变风机内部空气流动方向的问题。
2、当机壳内部需要检修时，只需手动将防护网顶端的三个蝶形螺栓旋转拧下，并握住凸块将旋转挡销在转轴的作用下旋转至防护网的一侧，然后再 将防护网在铰链的作用下旋转打开即可，使得防护网可以快捷的打开，一方面便于对机壳内部检修，另一方面也便于对防护网内侧表面灰尘的清理。
附图说明
图1为本实用新型的结构示意图；
图2为本实用新型的防护网打开状态下结构示意图；
图3为本实用新型的扇叶与基座连接剖视结构示意图；
图4为本实用新型的限位槽侧视剖视结构示意图；
图5为本实用新型实施例2的旋转挡销仰视剖视结构示意图；
图中：1、机壳；2、旋转挡销；3、转轮；4、扇叶；5、蝶形螺栓；6、防护网；7、连接杆；8、基座；9、旋转轴承；10、弹簧室；11、连接块；12、矩形块；13、环形槽；14、限位块；15、限位槽；16、转轴；17、凸块；18、扭簧。
具体实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。
实施例1
请参阅图1至图4，本实用新型提供一种技术方案：一种耐腐蚀风机的抽风装置，包括机壳1，机壳1的内部设置有转轮3，且转轮3的表面设有四个一体式的基座8，基座8的端部设置有扇叶4，且扇叶4的端部设有一体式的连接杆7，扇叶4与基座8通过连接杆7进行连接，基座8的内部设置有弹簧室10，且弹簧室10端部通过弹簧连接有矩形块12，连接杆7的端部处于基座8的内部，且连接杆7的端部设置有连接块11，连接块11与连接杆7之间 设置有旋转轴承9，通过设置旋转轴承9使得连接杆7可以在连接块11表面转动，且连接块11的底端处于弹簧室10的内部并与矩形块12相贴合，通过设置矩形块12使得弹簧室10内部弹簧可以对连接块11施加一个推力，将连接杆7固定，连接杆7的端部表面对称设有四个一体式的限位块14，基座8的内部开设有环形槽13，且环形槽13处于弹簧室10的一侧，环形槽13的一侧开设有四个限位槽15，且限位块14处于限位槽15的内部，通过设置环形槽13，使得限位块14从限位槽15内部滑出至环形槽13内部时可以进行转动。
为了扇叶4具有防腐蚀性，本实施例中，优选的，扇叶4的表面为光滑的曲面，且扇叶4的表面涂有一层聚烯烃涂层。
实施例2
请参阅图1至图5，本实用新型提供一种技术方案：一种耐腐蚀风机的抽风装置，包括机壳1，机壳1的内部设置有转轮3，且转轮3的表面设有四个一体式的基座8，基座8的端部设置有扇叶4，且扇叶4的端部设有一体式的连接杆7，扇叶4与基座8通过连接杆7进行连接，基座8的内部设置有弹簧室10，且弹簧室10端部通过弹簧连接有矩形块12，连接杆7的端部处于基座8的内部，且连接杆7的端部设置有连接块11，连接块11与连接杆7之间设置有旋转轴承9，通过设置旋转轴承9使得连接杆7可以在连接块11表面转动，且连接块11的底端处于弹簧室10的内部并与矩形块12相贴合，通过设置矩形块12使得弹簧室10内部弹簧可以对连接块11施加一个推力，将连接杆7固定，连接杆7的端部表面对称设有四个一体式的限位块14，基座8的内部开设有环形槽13，且环形槽13处于弹簧室10的一侧，环形槽13的一侧开设有四个限位槽15，且限位块14处于限位槽15的内部，通过设置环形槽13，使得限位块14从限位槽15内部滑出至环形槽13内部时可以进行转动。
为了便于对机壳1内部检修，同时也便于对防护网6内侧表面灰尘的清理，本实施例中，优选的，机壳1的两侧表面均通过铰链连接有防护网6，防 护网6的顶端与机壳1的连接处设置有三个蝶形螺栓5，通过设置蝶形螺栓5使得操作人员可以徒手将防护网6打开或固定，防护网6的两侧设置有旋转挡销2，且旋转挡销2处于机壳1的表面，旋转挡销2与机壳1的连接处设置有转轴16，且旋转挡销2的顶端与防护网6相贴合，通过设置旋转挡销2可以在防护网6固定后进行加固。
为了扇叶4具有防腐蚀性，本实施例中，优选的，扇叶4的表面为光滑的曲面，且扇叶4的表面涂有一层聚烯烃涂层。
为了蝶形螺栓5可以将防护网6固定在机壳1表面，本实施例中，优选的，防护网6的顶端开设有三个螺栓孔，且机壳1的内侧顶部设有与之相对应的螺栓孔。
为了旋转挡销2旋转时便于施力，本实施例中，优选的，旋转挡销2的一端顶部表面设有一体式的凸块17，旋转挡销2的顶端设置有扭簧18，通过设置扭簧18，使得旋转挡销2的顶端与防护网6贴合时可以将防护网6夹紧。
本实用新型的工作原理及使用流程：本实用新型在使用时先接通外部电源，然后启动风机内部电机，使得皮带带动转轮3进行转动，从而让四个扇叶4在机壳1内部转动将空气抽入机壳1内部，并从外侧排风口排出，完成整个抽风换气流程；
当需要改变风机内部空气流向，将室外空气抽入室内时，只需将扇叶4往基座8的方向推入，使得连接杆7逐渐被挤入基座8的内部，且连接块11也往弹簧室10内部收缩，同时限位块14也逐渐从限位槽15内部滑出，当扇叶4与基座8相贴合时，限位块14完全从限位槽15内部滑出，并处于环形槽13内部，此时由于没有限位块14进行限位，使得连接杆7可以在旋转轴承9的作用下进行旋转，此时将扇叶4旋转一百八十度，并使得限位块14在环形槽13内部旋转且与限位槽15相对齐，然后缓缓松开扇叶4，矩形块12会在弹簧室10内部弹簧的作用下将连接块11往外抵出，而连接块11会将连 接杆7往外抵出，并使得限位块14滑入限位槽15内部，即可将扇叶4固定，将其余三个扇叶4用同样的方法旋转一百八十度，即可使得机壳1内部的空气流动方向朝向室内，从而在风机启动时将室外空气抽入室内，解决了原装置必须将风机整体从墙体表面拆卸，并反向安装才能改变风机内部空气流动方向的问题，同时由于扇叶4的表面涂有一层聚烯烃涂层，使得扇叶4具有一定的防腐蚀性；
当机壳1内部需要检修时，只需手动将防护网6顶端的三个蝶形螺栓5旋转拧下，并握住凸块17将旋转挡销2在转轴16的作用下旋转至防护网6的一侧，然后再将防护网6在铰链的作用下旋转打开即可，使得防护网6可以快捷的打开，一方面便于对机壳1内部检修，另一方面也便于对防护网6内侧表面灰尘的清理，当需要将防护网6闭合时，先将防护网6在铰链的作用下旋转并与机壳1相贴合，然后再将蝶形螺栓5贯穿过防护网6与机壳1内部的螺栓孔并拧紧，即可将防护网6固定在机壳1的表面，最后再将旋转挡销2在转轴16的作用下旋转至防护网6的表面，并与防护网6相贴合，此时旋转挡销2的顶端会在扭簧18的作用下将防护网6夹紧，从而对防护网6起到加固的作用。
尽管已经示出和描述了本实用新型的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本实用新型的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本实用新型的范围由所附权利要求及其等同物限定。

Claims (5)

  1. 一种耐腐蚀风机的抽风装置，包括机壳(1)，其特征在于：所述机壳(1)的内部设置有转轮(3)，且转轮(3)的表面设有四个一体式的基座(8)，所述基座(8)的端部设置有扇叶(4)，且所述扇叶(4)的端部设有一体式的连接杆(7)，所述扇叶(4)与基座(8)通过连接杆(7)进行连接，所述基座(8)的内部设置有弹簧室(10)，且弹簧室(10)端部连接有矩形块(12)，所述连接杆(7)的端部处于基座(8)的内部，且所述连接杆(7)的端部设置有连接块(11)，所述连接块(11)与连接杆(7)之间设置有旋转轴承(9)，且连接块(11)的底端处于弹簧室(10)的内部并与矩形块(12)相贴合，所述连接杆(7)的端部表面对称设有四个一体式的限位块(14)，所述基座(8)的内部开设有环形槽(13)，且环形槽(13)处于弹簧室(10)的一侧，所述环形槽(13)的一侧开设有四个限位槽(15)，且所述限位块(14)处于限位槽(15)的内部。
  2. 根据权利要求1所述的一种耐腐蚀风机的抽风装置，其特征在于：所述机壳(1)的两侧表面均连接有防护网(6)，所述防护网(6)的顶端与机壳(1)的连接处设置有三个蝶形螺栓(5)，所述防护网(6)的两侧设置有旋转挡销(2)，且旋转挡销(2)处于机壳(1)的表面，所述旋转挡销(2)与机壳(1)的连接处设置有转轴(16)，且旋转挡销(2)的顶端与防护网(6)相贴合。
  3. 根据权利要求1所述的一种耐腐蚀风机的抽风装置，其特征在于：所述扇叶(4)的表面为光滑的曲面，且所述扇叶(4)的表面涂有一层聚烯烃涂层。
  4. 根据权利要求2所述的一种耐腐蚀风机的抽风装置，其特征在于：所述防护网(6)的顶端开设有三个螺栓孔，且机壳(1)的内侧顶部设有与之相对应的螺栓孔。
  5. 根据权利要求2所述的一种耐腐蚀风机的抽风装置，其特征在于：所 述旋转挡销(2)的一端顶部表面设有一体式的凸块(17)，所述旋转挡销(2)的顶端设置有扭簧(18)。
PCT/CN2020/102662 2020-07-17 2020-07-17 一种耐腐蚀风机的抽风装置 WO2022011677A1 (zh)

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Publication number Priority date Publication date Assignee Title
CN1512044A (zh) * 2002-12-26 2004-07-14 株式会社久保田 收割机
CN201679764U (zh) * 2010-04-29 2010-12-22 上海尔华杰机电装备制造有限公司 冷却用风机叶轮
JP2013064337A (ja) * 2011-09-15 2013-04-11 Hitachi Constr Mach Co Ltd 送風装置
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CN206903911U (zh) * 2017-07-07 2018-01-19 深圳市欣旭塑胶五金有限公司 一种增压散热风机
CN207554422U (zh) * 2017-12-18 2018-06-29 王熠 一种方便更换扇叶电风扇

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1512044A (zh) * 2002-12-26 2004-07-14 株式会社久保田 收割机
CN201679764U (zh) * 2010-04-29 2010-12-22 上海尔华杰机电装备制造有限公司 冷却用风机叶轮
JP2013064337A (ja) * 2011-09-15 2013-04-11 Hitachi Constr Mach Co Ltd 送風装置
CN206161905U (zh) * 2016-11-09 2017-05-10 苏州新大诚科技发展股份有限公司 一种四向可调的sc/upc型预制成端引入光缆组件
CN206903911U (zh) * 2017-07-07 2018-01-19 深圳市欣旭塑胶五金有限公司 一种增压散热风机
CN207554422U (zh) * 2017-12-18 2018-06-29 王熠 一种方便更换扇叶电风扇

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