CN212106385U - A high-strength noise-reducing centrifugal fan - Google Patents

A high-strength noise-reducing centrifugal fan Download PDF

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CN212106385U
CN212106385U CN202020529817.9U CN202020529817U CN212106385U CN 212106385 U CN212106385 U CN 212106385U CN 202020529817 U CN202020529817 U CN 202020529817U CN 212106385 U CN212106385 U CN 212106385U
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outer casing
plate
centrifugal fan
muffler
storage tank
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印亚栋
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Jiangsu Yuanjia Air Conditioning Equipment Co ltd
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Abstract

本实用新型公开了一种高强度减噪离心风机,包括外壳体、减震机构和消音机构,所述外壳体的内侧壁上设置有安装环,所述安装环内部的下端面上设置有电机,所述电机的输出端设置有传动轴,所述传动轴上设置有扇叶,所述减震机构设置在外壳体上,所述减震机构由环形储液箱、若干个弧形板、缓冲液、固定柱、若干个传动杆、弹簧和若干个缓冲板组成,所述外壳体上在安装环的外侧设置有环形储液箱,所述环形储液箱的内部滑动连接有若干个弧形板;本实用新型结构简单,设计合理,能够有效地减少电机工作时产生的震动作用力,可靠性更高,增加离心风机工作时的稳定性,同对气体进行分流,减小气体流通时的碰撞,消音效果更好。

Figure 202020529817

The utility model discloses a high-strength noise-reducing centrifugal fan, which comprises an outer casing, a shock absorbing mechanism and a muffler mechanism. A mounting ring is arranged on the inner side wall of the outer casing, and a motor is arranged on the lower end surface inside the mounting ring. , the output end of the motor is provided with a transmission shaft, the transmission shaft is provided with a fan blade, the damping mechanism is provided on the outer casing, and the damping mechanism is composed of an annular liquid storage tank, several arc-shaped plates, The buffer solution, the fixed column, a plurality of transmission rods, springs and a plurality of buffer plates are formed. The outer casing is provided with an annular liquid storage tank on the outer side of the installation ring, and the inner of the annular liquid storage tank is slidably connected with several arcs. The utility model has the advantages of simple structure and reasonable design, which can effectively reduce the vibration force generated when the motor is working, has higher reliability, increases the stability of the centrifugal fan when it is working, and divides the gas at the same time, reducing the time when the gas is circulating. The collision, the noise reduction effect is better.

Figure 202020529817

Description

一种高强度减噪离心风机A high-strength noise-reducing centrifugal fan

技术领域technical field

本实用新型属于离心风机设备技术领域,具体涉及一种高强度减噪离心风机The utility model belongs to the technical field of centrifugal fan equipment, in particular to a high-strength noise-reducing centrifugal fan

背景技术Background technique

离心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,离心风机广泛用于工厂、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;空气调节设备和家用电器设备中的冷却和通风;谷物的烘干和选送;风洞风源和气垫船的充气和推进等,但是目前离心风机仍存在各种问题。Centrifugal fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine. Centrifugal fans are widely used in factories, mines, tunnels, cooling towers, vehicles, ships and buildings. Ventilation, Dust extraction and cooling; ventilation and drafting of boilers and industrial furnaces; cooling and ventilation in air-conditioning equipment and household appliances; drying and selection of grain; There are still various problems with centrifugal fans.

如授权公告号为CN 210068586 U所公开的一种高强度减噪离心风机,其虽然可以提高离心风机的导流效果,使得离心风机流场的流程便长,流场更加的均匀性,提高了换热效率,但是减震主要针对扇叶的震动,而震源主要是电机工作产生的,导致减震效果差,同时虽然有一定的减噪效果,但是气体在快速流通时容易产生碰撞产生噪音。For example, the high-strength noise-reducing centrifugal fan disclosed by the authorized announcement number CN 210068586 U can improve the diversion effect of the centrifugal fan, make the flow field of the centrifugal fan longer, the flow field is more uniform, and improve the performance of the centrifugal fan. Heat exchange efficiency, but the vibration damping is mainly aimed at the vibration of the fan blades, and the vibration source is mainly generated by the operation of the motor, resulting in poor damping effect.

实用新型内容Utility model content

本实用新型的目的在于提供一种高强度减噪离心风机,以解决上述背景技术中提出的问题。The purpose of the present invention is to provide a high-strength noise-reducing centrifugal fan to solve the problems raised in the above-mentioned background art.

为实现上述目的,本实用新型提供如下技术方案:一种高强度减噪离心风机,包括外壳体、减震机构和消音机构,所述外壳体的内侧壁上设置有安装环,所述安装环内部的下端面上设置有电机,所述电机的输出端设置有传动轴,所述传动轴上设置有扇叶,所述减震机构设置在外壳体上,所述减震机构由环形储液箱、若干个弧形板、缓冲液、固定柱、若干个传动杆、弹簧和若干个缓冲板组成,所述外壳体上在安装环的外侧设置有环形储液箱,所述环形储液箱的内部滑动连接有若干个弧形板,所述环形储液箱内部在弧形板的上下端均设置有缓冲液,所述弧形板远离电机一侧的侧面上设置有固定柱,所述固定柱的两侧均设置有传动杆,所述环形储液箱的内侧壁上设置有若干个弹簧,所述弹簧的另一端设置有缓冲板,所述外壳体一侧的侧面通过开设开口设置有导风管,所述消音机构设置在导风管的内部。In order to achieve the above purpose, the present utility model provides the following technical solutions: a high-strength noise reduction centrifugal fan, comprising an outer casing, a shock absorbing mechanism and a noise reduction mechanism, and a mounting ring is provided on the inner side wall of the outer casing, and the mounting ring A motor is arranged on the lower end face of the interior, a transmission shaft is arranged at the output end of the motor, a fan blade is arranged on the transmission shaft, and the damping mechanism is arranged on the outer casing, and the damping mechanism is formed by a ring-shaped liquid storage. It is composed of a box, a number of arc-shaped plates, a buffer, a fixed column, a number of transmission rods, a spring and a number of buffer plates. The outer casing is provided with an annular liquid storage tank on the outside of the mounting ring. The annular liquid storage tank A number of arc-shaped plates are slidably connected to the inside of the ring-shaped liquid storage tank. The upper and lower ends of the arc-shaped plates are provided with buffer solution inside the annular liquid storage tank. Both sides of the fixed column are provided with transmission rods, the inner side wall of the annular liquid storage tank is provided with a number of springs, the other end of the spring is provided with a buffer plate, and the side surface of one side of the outer casing is provided with openings. There is an air guide pipe, and the muffler mechanism is arranged inside the air guide pipe.

优选的,所述消音机构由若干个隔离板、导流板、若干个导流孔、若干个消音板、固定板和若干个排气孔组成,所述导风管的下端设置有若干个隔离板,所述隔离板的上端设置有导流板,所述导流板设置在导风管的内侧壁上,所述导流板上设置有若干个导流孔,所述导流板的上端面上设置有若干个消音板,所述消音板的上端面上设置有固定板,所述固定板上设置有若干个排气孔。Preferably, the muffler mechanism is composed of a plurality of isolation plates, a guide plate, a plurality of guide holes, a plurality of mufflers, a fixing plate and a plurality of exhaust holes, and the lower end of the air duct is provided with a plurality of isolation plates The upper end of the isolation plate is provided with a baffle plate, the baffle plate is arranged on the inner side wall of the air duct, the baffle plate is provided with a number of guide holes, and the upper part of the baffle plate is provided with a guide plate. A plurality of muffler plates are arranged on the end face, a fixing plate is arranged on the upper end face of the muffler plate, and a plurality of exhaust holes are arranged on the fixing plate.

优选的,所述外壳体上设置有安装框,所述安装框上设置有第一防尘网。Preferably, a mounting frame is provided on the outer casing, and a first dustproof net is provided on the mounting frame.

优选的,所述外壳体上在扇叶的外侧设置有锥形导风板,所述外壳体和导风管的内侧壁上均设置有消音棉。Preferably, the outer casing is provided with a conical air guide plate on the outer side of the fan blade, and the inner side wall of the outer casing and the air duct is provided with noise-absorbing cotton.

优选的,所述传动轴上活动设置有限位环,所述限位环的外侧面上设置有若干个支撑杆,所述支撑杆的另一端设置在外壳体上。Preferably, a limit ring is movably arranged on the transmission shaft, a plurality of support rods are arranged on the outer side of the limit ring, and the other end of the support rod is arranged on the outer casing.

优选的,所述传动杆和缓冲板相邻的一侧均设置为斜切面。Preferably, the adjacent sides of the transmission rod and the buffer plate are both provided as chamfered surfaces.

优选的,所述导风管一侧的外侧面上设置有加强杆,所述加强杆的另一端设置在外壳体上。Preferably, a reinforcing rod is provided on the outer surface of one side of the air duct, and the other end of the reinforcing rod is provided on the outer casing.

优选的,所述导风管内部的上端设置有第二防尘网。Preferably, the upper end inside the air duct is provided with a second dust filter.

与现有技术相比,本实用新型的有益效果是:Compared with the prior art, the beneficial effects of the present utility model are:

(1)本实用新型通过设置有减震机构设置在外壳体上,减震机构由环形储液箱、若干个弧形板、缓冲液、固定柱、若干个传动杆、弹簧和若干个缓冲板组成,通过减震机构的作用,能够有效地减少电机工作时产生的震动作用力,可靠性更高,增加离心风机工作时的稳定性;(1) The utility model is arranged on the outer casing by being provided with a damping mechanism, and the damping mechanism consists of an annular liquid storage tank, several arc-shaped plates, buffer liquid, fixed column, several transmission rods, springs and several buffer plates Through the function of the damping mechanism, the vibration force generated by the motor can be effectively reduced, the reliability is higher, and the stability of the centrifugal fan during operation can be increased;

(2)本实用新型通过设置有消音机构,消音机构设置在导风管的内部,消音机构由若干个隔离板、导流板、若干个导流孔、若干个消音板、固定板和若干个排气孔组成,通过消音机构的作用,对气体进行分流,减小气体流通时的碰撞,消音效果更好。(2) The utility model is provided with a muffler mechanism, the muffler mechanism is arranged inside the air duct, and the muffler mechanism consists of a number of isolation plates, a guide plate, a number of guide holes, a number of silencers, a fixed plate and a number of It is composed of exhaust holes, and through the function of the muffler mechanism, the gas is divided to reduce the collision when the gas flows, and the muffler effect is better.

附图说明Description of drawings

图1为本实用新型的整体主视图;Fig. 1 is the overall front view of the utility model;

图2为本实用新型的整体内部结构示意图;Fig. 2 is the overall internal structure schematic diagram of the utility model;

图3为本实用新型的导风管内部设置结构示意图;3 is a schematic diagram of the internal arrangement structure of the air duct of the present invention;

图4为本实用新型的减震机构安装示意图;4 is a schematic diagram of the installation of the damping mechanism of the present invention;

图5为本实用新型的图4中A处放大示意图。FIG. 5 is an enlarged schematic view of the position A in FIG. 4 of the present invention.

图中:1、外壳体;101、安装框;102、第一防尘网;103、锥形导风板;104、消音棉;2、减震机构;21、形储液箱;22、弧形板;23、缓冲液;24、固定柱;25、传动杆;26、弹簧;27、缓冲板;3、消音机构;31、隔离板;32、导流板;33、导流孔;34、消音板;35、固定板;36、排气孔;4、安装环;5、电机;6、传动轴;61、限位环;62、支撑杆;7、扇叶;8、导风管;81、加强杆;82、第二防尘网。In the figure: 1. Outer shell; 101. Installation frame; 102. First dust net; 103. Conical wind deflector; 104. Muffler cotton; 2. Damping mechanism; 21. Shaped liquid storage tank; shape plate; 23, buffer solution; 24, fixed column; 25, transmission rod; 26, spring; 27, buffer plate; 3, muffler mechanism; 31, isolation plate; 32, guide plate; 33, guide hole; 34 , muffler plate; 35, fixed plate; 36, exhaust hole; 4, installation ring; 5, motor; 6, drive shaft; 61, limit ring; 62, support rod; 7, fan blade; 8, air duct ; 81. Reinforcing rod; 82. The second dust filter.

具体实施方式Detailed ways

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。The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

请参阅图1-图5,本实用新型提供一种高强度减噪离心风机技术方案:一种高强度减噪离心风机,包括外壳体1、减震机构2和消音机构3,外壳体1的内侧壁上焊接有安装环4,安装环4内部的下端面上通过螺栓安装有电机5,电机5的输出端安装有传动轴6,传动轴6上安装有扇叶7,减震机构2安装在外壳体1上,减震机构2由环形储液箱21、若干个弧形板22、缓冲液23、固定柱24、若干个传动杆25、弹簧26和若干个缓冲板27组成,外壳体1上在安装环4的外侧焊接有环形储液箱21,环形储液箱21的内部滑动连接有若干个弧形板22,环形储液箱21内部在弧形板22的上下端均填充有缓冲液23,弧形板22远离电机5一侧的侧面上焊接有固定柱24,固定柱24的两侧均焊接有传动杆25,环形储液箱21的内侧壁上安装有若干个弹簧26,弹簧26的另一端安装有缓冲板27,外壳体1一侧的侧面通过开设开口焊接有导风管8,消音机构3安装在导风管8的内部。Please refer to FIG. 1 to FIG. 5 , the present utility model provides a technical solution for a high-strength noise-reducing centrifugal fan: a high-strength noise-reducing centrifugal fan includes an outer casing 1 , a shock absorbing mechanism 2 and a noise reduction mechanism 3 . A mounting ring 4 is welded on the inner side wall, a motor 5 is mounted on the lower end surface of the mounting ring 4 through bolts, a drive shaft 6 is mounted on the output end of the motor 5, a fan blade 7 is mounted on the drive shaft 6, and the damping mechanism 2 is mounted On the outer casing 1, the damping mechanism 2 is composed of an annular liquid storage tank 21, several arc-shaped plates 22, buffer liquid 23, fixed columns 24, several transmission rods 25, springs 26 and several buffer plates 27. The outer casing 1 is welded with an annular liquid storage tank 21 on the outside of the mounting ring 4, and a number of arc-shaped plates 22 are slidably connected to the inside of the annular liquid storage tank 21. Buffer 23, a fixed column 24 is welded on the side of the arc-shaped plate 22 away from the motor 5, and a transmission rod 25 is welded on both sides of the fixed column 24. Several springs 26 are installed on the inner wall of the annular liquid storage tank 21. , the other end of the spring 26 is installed with a buffer plate 27 , the side surface of the outer casing 1 is welded with an air duct 8 through an opening, and the muffler mechanism 3 is installed inside the air duct 8 .

本实施例中,优选的,消音机构3由若干个隔离板31、导流板32、若干个导流孔33、若干个消音板34、固定板35和若干个排气孔36组成,导风管8的下端焊接有若干个隔离板31,隔离板31的上端焊接有导流板32,导流板32焊接在导风管8的内侧壁上,导流板32上开设有若干个导流孔33,导流板32的上端面上焊接有若干个消音板34,消音板34的上端面上焊接有固定板35,固定板35上开设有若干个排气孔36。In this embodiment, preferably, the muffler mechanism 3 is composed of a plurality of isolation plates 31, a guide plate 32, a plurality of guide holes 33, a plurality of muffler plates 34, a fixed plate 35 and a plurality of exhaust holes 36. The lower end of the pipe 8 is welded with a number of isolation plates 31, the upper end of the isolation plate 31 is welded with a guide plate 32, the guide plate 32 is welded on the inner side wall of the air guide pipe 8, and the guide plate 32 is provided with a number of guide plates. Hole 33, a number of muffler plates 34 are welded on the upper end surface of the deflector 32, a fixed plate 35 is welded on the upper end surface of the muffler plate 34, and a number of exhaust holes 36 are opened on the fixed plate 35.

本实施例中,优选的,外壳体1上焊接有安装框101,安装框101上安装有第一防尘网102,有利于防止灰尘进入到外壳体1的内部。In this embodiment, preferably, an installation frame 101 is welded on the outer casing 1 , and a first dustproof net 102 is installed on the installation frame 101 , which is beneficial to prevent dust from entering the interior of the outer casing 1 .

本实施例中,优选的,外壳体1上在扇叶7的外侧焊接有锥形导风板103,外壳体1和导风管8的内侧壁上均安装有消音棉104,有利于扇叶7更好地引导气流流通。In this embodiment, preferably, the outer casing 1 is welded with a conical air deflector 103 on the outer side of the fan blade 7, and the outer casing 1 and the inner side wall of the air duct 8 are equipped with sound-absorbing cotton 104, which is beneficial to the fan blade. 7 Better guide airflow.

本实施例中,优选的,传动轴6上通过轴承安装有限位环61,限位环61的外侧面上焊接有若干个支撑杆62,支撑杆62的另一端焊接在外壳体1上,有利于增加传动轴6的稳定性。In this embodiment, preferably, a limit ring 61 is installed on the transmission shaft 6 through a bearing, a plurality of support rods 62 are welded on the outer side of the limit ring 61, and the other end of the support rod 62 is welded on the outer casing 1, and there are It is beneficial to increase the stability of the transmission shaft 6 .

本实施例中,优选的,传动杆25和缓冲板27相邻的一侧均切割为斜切面,有利于传动杆25与缓冲板27之间更好地传动。In this embodiment, preferably, the adjacent side of the transmission rod 25 and the buffer plate 27 is cut into a chamfered surface, which is conducive to better transmission between the transmission rod 25 and the buffer plate 27 .

本实施例中,优选的,导风管8一侧的外侧面上焊接有加强杆81,加强杆81的另一端焊接在外壳体1上,有利于增加外壳体1与导风管8之间的稳定性。In this embodiment, preferably, a reinforcing rod 81 is welded on the outer surface of one side of the air duct 8 , and the other end of the reinforcing rod 81 is welded on the outer casing 1 , which is beneficial to increase the distance between the outer casing 1 and the air duct 8 stability.

本实施例中,优选的,导风管8内部的上端安装有第二防尘网82,有利于进一步防止灰尘进入到外壳体1的内部。In this embodiment, preferably, a second dust filter 82 is installed on the upper end of the air duct 8 , which is beneficial to further prevent dust from entering the interior of the outer casing 1 .

本实用新型的工作原理及使用流程:该装置中,在电机5工作产生震动作用力时,通过缓冲液23的传动,可以使弧形板22向下滑动,弧形板22向下运动时,传动杆25挤压缓冲板27,实现弧形板22的上下滑动,消耗电机5工作产生的上下抖动作用力,同时通过隔离板31、导流板32、和若干个导流孔33的导流以及若干个消音板34作用,减少气流快速流通时的碰撞,本装置能够有效地减少电机5工作时产生的震动作用力,可靠性更高,增加离心风机工作时的稳定性。The working principle and use process of the utility model: in this device, when the motor 5 works to generate a vibration force, the arc plate 22 can slide downward through the transmission of the buffer liquid 23, and when the arc plate 22 moves downward, The transmission rod 25 squeezes the buffer plate 27, realizes the up and down sliding of the arc plate 22, consumes the up and down jitter force generated by the operation of the motor 5, and at the same time passes through the isolation plate 31, the guide plate 32, and the guide of several guide holes 33. And a number of mufflers 34 function to reduce the collision when the airflow is flowing rapidly, the device can effectively reduce the vibration force generated by the motor 5 when it is working, has higher reliability, and increases the stability of the centrifugal fan when it is working.

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。Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1.一种高强度减噪离心风机,包括外壳体(1)、减震机构(2)和消音机构(3),其特征在于:所述外壳体(1)的内侧壁上设置有安装环(4),所述安装环(4)内部的下端面上设置有电机(5),所述电机(5)的输出端设置有传动轴(6),所述传动轴(6)上设置有扇叶(7),所述减震机构(2)设置在外壳体(1)上,所述减震机构(2)由环形储液箱(21)、若干个弧形板(22)、缓冲液(23)、固定柱(24)、若干个传动杆(25)、弹簧(26)和若干个缓冲板(27)组成,所述外壳体(1)上在安装环(4)的外侧设置有环形储液箱(21),所述环形储液箱(21)的内部滑动连接有若干个弧形板(22),所述环形储液箱(21)内部在弧形板(22)的上下端均设置有缓冲液(23),所述弧形板(22)远离电机(5)一侧的侧面上设置有固定柱(24),所述固定柱(24)的两侧均设置有传动杆(25),所述环形储液箱(21)的内侧壁上设置有若干个弹簧(26),所述弹簧(26)的另一端设置有缓冲板(27),所述外壳体(1)一侧的侧面通过开设开口设置有导风管(8),所述消音机构(3)设置在导风管(8)的内部。1. A high-strength noise-reducing centrifugal fan, comprising an outer casing (1), a damping mechanism (2) and a muffler mechanism (3), characterized in that: a mounting ring is provided on the inner side wall of the outer casing (1) (4), a motor (5) is arranged on the lower end surface inside the mounting ring (4), a transmission shaft (6) is arranged at the output end of the motor (5), and a transmission shaft (6) is arranged on the transmission shaft (6). The fan blade (7), the damping mechanism (2) is arranged on the outer casing (1), and the damping mechanism (2) is composed of an annular liquid storage tank (21), a plurality of arc-shaped plates (22), a buffer Liquid (23), fixed column (24), several transmission rods (25), springs (26) and several buffer plates (27), the outer casing (1) is provided on the outside of the mounting ring (4) There is an annular liquid storage tank (21), and a plurality of arc-shaped plates (22) are slidably connected to the inside of the annular liquid storage tank (21). Both the upper and lower ends are provided with a buffer solution (23), a side surface of the curved plate (22) away from the motor (5) is provided with a fixing column (24), and both sides of the fixing column (24) are provided with A transmission rod (25), a plurality of springs (26) are arranged on the inner side wall of the annular liquid storage tank (21), a buffer plate (27) is arranged at the other end of the springs (26), and the outer casing ( 1) A side surface of one side is provided with an air guide pipe (8) by opening an opening, and the muffler mechanism (3) is arranged inside the air guide pipe (8). 2.根据权利要求1所述的一种高强度减噪离心风机,其特征在于:所述消音机构(3)由若干个隔离板(31)、导流板(32)、若干个导流孔(33)、若干个消音板(34)、固定板(35)和若干个排气孔(36)组成,所述导风管(8)的下端设置有若干个隔离板(31),所述隔离板(31)的上端设置有导流板(32),所述导流板(32)设置在导风管(8)的内侧壁上,所述导流板(32)上设置有若干个导流孔(33),所述导流板(32)的上端面上设置有若干个消音板(34),所述消音板(34)的上端面上设置有固定板(35),所述固定板(35)上设置有若干个排气孔(36)。2. A high-strength noise-reducing centrifugal fan according to claim 1, characterized in that: the muffler mechanism (3) consists of a plurality of isolation plates (31), a guide plate (32), and a plurality of guide holes (33), a plurality of muffler plates (34), a fixed plate (35) and a plurality of exhaust holes (36), the lower end of the air duct (8) is provided with a plurality of isolation plates (31), the The upper end of the isolation plate (31) is provided with a guide plate (32), the guide plate (32) is arranged on the inner side wall of the air guide pipe (8), and a number of A guide hole (33), a plurality of muffler plates (34) are arranged on the upper end surface of the baffle plate (32), a fixing plate (35) is arranged on the upper end surface of the muffler plate (34), and the Several exhaust holes (36) are arranged on the fixing plate (35). 3.根据权利要求1所述的一种高强度减噪离心风机,其特征在于:所述外壳体(1)上设置有安装框(101),所述安装框(101)上设置有第一防尘网(102)。3. A high-strength noise-reducing centrifugal fan according to claim 1, wherein a mounting frame (101) is provided on the outer casing (1), and a first mounting frame (101) is provided on the mounting frame (101). Dust filter (102). 4.根据权利要求1所述的一种高强度减噪离心风机,其特征在于:所述外壳体(1)上在扇叶(7)的外侧设置有锥形导风板(103),所述外壳体(1)和导风管(8)的内侧壁上均设置有消音棉(104)。4. A high-strength noise-reducing centrifugal fan according to claim 1, characterized in that: the outer casing (1) is provided with a conical air guide plate (103) on the outer side of the fan blade (7), so Noise-absorbing cotton (104) is provided on the inner side walls of the outer casing (1) and the air guide pipe (8). 5.根据权利要求1所述的一种高强度减噪离心风机,其特征在于:所述传动轴(6)上活动设置有限位环(61),所述限位环(61)的外侧面上设置有若干个支撑杆(62),所述支撑杆(62)的另一端设置在外壳体(1)上。5. A high-strength noise-reducing centrifugal fan according to claim 1, wherein a limit ring (61) is movably arranged on the transmission shaft (6), and the outer side of the limit ring (61) A plurality of support rods (62) are arranged on the upper body, and the other ends of the support rods (62) are arranged on the outer casing (1). 6.根据权利要求1所述的一种高强度减噪离心风机,其特征在于:所述传动杆(25)和缓冲板(27)相邻的一侧均设置为斜切面。6 . The high-strength noise-reducing centrifugal fan according to claim 1 , wherein the adjacent sides of the transmission rod ( 25 ) and the buffer plate ( 27 ) are both set as chamfered surfaces. 7 . 7.根据权利要求1所述的一种高强度减噪离心风机,其特征在于:所述导风管(8)一侧的外侧面上设置有加强杆(81),所述加强杆(81)的另一端设置在外壳体(1)上。7. A high-strength noise-reducing centrifugal fan according to claim 1, wherein a reinforcing rod (81) is provided on the outer surface of one side of the air guide pipe (8), and the reinforcing rod (81) ) is arranged on the outer casing (1). 8.根据权利要求1所述的一种高强度减噪离心风机,其特征在于:所述导风管(8)内部的上端设置有第二防尘网(82)。8 . The high-strength noise-reducing centrifugal fan according to claim 1 , wherein a second dust-proof net ( 82 ) is provided at the upper end of the inside of the air duct ( 8 ). 9 .
CN202020529817.9U 2020-04-13 2020-04-13 A high-strength noise-reducing centrifugal fan Expired - Fee Related CN212106385U (en)

Priority Applications (1)

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CN202020529817.9U CN212106385U (en) 2020-04-13 2020-04-13 A high-strength noise-reducing centrifugal fan

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