CN218760630U

CN218760630U - Centrifugal fan with noise reduction support

Info

Publication number: CN218760630U
Application number: CN202222168617.7U
Authority: CN
Inventors: 张春旭
Original assignee: Shanghai Miaorun Biotechnology Co ltd
Current assignee: Shanghai Miaorun Biotechnology Co ltd
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2023-03-28
Anticipated expiration: 2032-08-17

Abstract

The utility model discloses a centrifugal fan with support of making an uproar falls, including installing support, fan group and noise reduction box, the installing support includes bottom plate and spacing, spacing rack-mount is at the up end of bottom plate, and spacing and bottom plate fixed connection, fan group installs at spacing middle part, and fan group and spacing fixed connection, noise reduction box slidable mounting is at the up end of bottom plate, and noise reduction box and fan group side are connected, can support the spacing rack of installation through the bottom plate when the person of facilitating the use needs to use, guarantees to come to use the fixed driving motor of centre gripping of carrying on to fan group through spacing, guarantees that installing support and fan group can be stable reciprocal anchorage and get up, sets up the rubber strip through to the medial surface of bracket and arc buckle simultaneously, conveniently reaches the purpose that reduces the driving motor noise through the rubber strip, guarantees through the setting up of guide way simultaneously that noise reduction box is nimble to install.

Description

Centrifugal fan with noise reduction support

Technical Field

The utility model relates to a centrifugal fan technical field specifically is a centrifugal fan with support of making an uproar falls.

Background

Centrifugal fans, which are driven fluid machines that increase the pressure of gas and discharge the gas by means of mechanical energy input, are widely used in ventilation of factories, mines, tunnels, cooling towers, vehicles, ships, and buildings.

The Chinese patent with the prior publication number of CN203223422U discloses a fan technical field, in particular to a centrifugal fan, which comprises a shell, a bracket, an air outlet and an air inlet, wherein the shell consists of an upper shell and a lower shell, and is characterized in that: the joint of the upper shell and the lower shell is provided with a plurality of fixed triangular irons, reinforcing ribs connected with the support are arranged on two sides of the shell, a fixing plate is arranged at the outer end of the air inlet, the air inlet and the fixing plate are formed in a spinning mode at one time, and a groove body matched with the fixing plate is arranged on the shell.

In view of the above-mentioned related art, the inventor thinks that the centrifugal fan is welded, supported and fixed by a triangular bracket in the use process, so that the noise is generated by the vibration of the motor and the suction opening in the use process, and the noise pollution is further caused to the surrounding environment.

SUMMERY OF THE UTILITY MODEL

In order to reach vibration/noise reduction's effect, this application provides a centrifugal fan with make an uproar support falls.

The utility model discloses a realize like this:

the utility model provides a centrifugal fan with make an uproar support of falling, includes installing support, fan group and the case of making an uproar of falling, the installing support includes bottom plate and spacing, spacing installs the up end at the bottom plate, and spacing and bottom plate fixed connection, fan group installs at the middle part of spacing, and fan group and spacing fixed connection, the case of making an uproar of falling slidable mounting is in the up end of bottom plate, and the case of making an uproar of falling is organized the side with the fan and is connected.

Furthermore, the side of the bottom plate is provided with a guide groove for installing the noise reduction box, cushion pads are further installed on four corners of the lower end face of the bottom plate, and the cushion pads are fixedly connected with the bottom plate.

Further, the limiting frame comprises a bracket and an arc-shaped buckle plate, the arc-shaped buckle plate is installed at the upper end of the bracket, and the arc-shaped buckle plate is fixedly connected with the bracket through a bolt.

Furthermore, the lower terminal surface symmetry fixed mounting of bracket has the backup pad, the backup pad passes through the bolt fastening at the up end of bottom plate, all be provided with a plurality of rubber strips on the medial surface of bracket and arc buckle.

Furthermore, the fan unit comprises a casing and a driving motor, wherein the driving motor is fixedly installed at one side of the casing, and an air inlet pipe is fixedly installed at the other side of the casing.

Furthermore, the noise reduction box comprises a box shell and a filter shell, the filter shell is fixedly installed at the head of the box shell, a matching pipe matched with an air inlet pipe is installed on the side face of the box shell, and noise reduction cotton is further pasted on the inner side face of the box shell.

Furthermore, the lower end face of the case shell is symmetrically provided with bending plates in sliding fit with the guide grooves, and the bending plates are vertically and fixedly connected with the case shell.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a study traditional centrifugal fan structure and use, design a centrifugal fan with the support of making an uproar falls, can support the spacing frame of installation through the bottom plate when the person of facilitating the use needs to use, guarantee to come to use the centre gripping fixed drive motor that carries on the fan group through spacing frame, guarantee that mutual fixity that installing support and fan group can be stable gets up, simultaneously through setting up the rubber strip on the medial surface to bracket and arc buckle, conveniently reach the purpose that reduces the driving motor noise through the rubber strip, it installs to guarantee to fall the case of making an uproar nimble simultaneously through setting up of guide way, it can come and air-supply line interconnect to make an uproar the case conveniently fall through the cooperation pipe, just so can guarantee to start the operation of induced drafting through falling the case of making an uproar after fan group starts, guarantee to filter the air inlet through the filter shell, reach the purpose that reduces the air inlet noise through pasting the cotton of making an uproar on the medial surface of case shell simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a perspective view of the device of the present invention;

FIG. 2 is a front view of the device of FIG. 1;

FIG. 3 is a schematic structural view of the mounting bracket shown in FIG. 1;

FIG. 4 is a front view of the device of FIG. 4;

fig. 5 is a schematic view of the noise reduction box shown in fig. 1.

In the figure: 1. mounting a bracket; 11. a base plate; 111. a guide groove; 112. a cushion pad; 12. a limiting frame; 121. a bracket; 122. an arc buckle plate; 123. a support plate; 124. a rubber strip; 2. a fan unit; 21. a housing; 22. a drive motor; 23. an air inlet pipe; 3. a noise reduction box; 31. a cabinet housing; 311. a mating tube; 312. a bending plate; 32. and (4) filtering the shell.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Referring to fig. 1, 2, 3, 4 and 5, a centrifugal fan with a noise reduction bracket comprises a mounting bracket 1, a fan set 2 and a noise reduction box 3, the mounting bracket 1 comprises a bottom plate 11 and a limiting frame 12, the limiting frame 12 is mounted on the upper end surface of the bottom plate 11, the limiting frame 12 is fixedly connected with the bottom plate 11, a guide groove 111 for mounting the noise reduction box 3 is formed in the side surface of the bottom plate 11, a cushion 112 is further mounted on four corners of the lower end surface of the bottom plate 11, the cushion 112 is fixedly connected with the bottom plate 11, the limiting frame 12 comprises a bracket 121 and an arc-shaped buckle plate 122, the arc-shaped buckle plate 122 is mounted at the upper end of the bracket 121, the arc-shaped buckle plate 122 is fixedly connected with the bracket 121 through bolts, a support plate 123 is symmetrically and fixedly mounted on the lower end surface of the bracket 121, the support plate 123 is fixed on the upper end surface of the bottom plate 11 through bolts, the inner side surfaces of the bracket 121 and the arc-shaped buckle plate 122 are both provided with a plurality of rubber strips 124, the centrifugal fan structure and the use process of the centrifugal fan are researched by the structure and the traditional centrifugal fan, the centrifugal fan with the structure and the use process, the centrifugal fan with the centrifugal fan can support 11 support can support and support can support 12 support a rubber strip 23, the noise reduction box can be conveniently used for driving the fan set up the noise reduction box 3, the noise reduction box can be conveniently, the noise reduction box 3, the noise reduction box can be guaranteed, the noise reduction box by the guide groove and the air inlet duct 23, the air inlet is filtered through the filter shell 32, and the purpose of reducing the noise of the air inlet is achieved by sticking the noise reduction cotton on the inner side surface of the box shell 31, so that the problem that the noise is generated by vibration of a motor and an air suction opening during the use process of the existing centrifugal fan due to the fact that the existing centrifugal fan is welded, supported and fixed through a triangular bracket during the use process, and the noise pollution is caused to the surrounding environment is solved;

the fan set 2 is arranged in the middle of the limiting frame 12, the fan set 2 is fixedly connected with the limiting frame 12, the noise reduction box 3 is slidably arranged on the upper end face of the bottom plate 11, the noise reduction box 3 is connected with the side face of the fan set 2, the fan set 2 comprises a machine shell 21 and a driving motor 22, the driving motor 22 is fixedly arranged on one side of the machine shell 21, an air inlet pipe 23 is fixedly arranged on the other side of the machine shell 21, and the air outlet operation is realized through the matching of the machine shell 21 and the driving motor 22 through the structural arrangement of the fan set 2;

noise reduction box 3 includes case shell 31 and filter shell 32, filter shell 32 fixed mounting is at the head of case shell 31, the side-mounting of case shell 31 have with air-supply line 23 matched with cooperation pipe 311, still paste on the medial surface of case shell 31 and fall the cotton of making an uproar, the lower terminal surface symmetry of case shell 31 is installed and is had bending plate 312 with guide way 111 sliding fit, bending plate 312 and the perpendicular fixed connection of case shell 31, come the better nimble use of installing that carries on of convenient case shell 31 through the setting to bending plate 312.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a centrifugal fan with support of making an uproar falls, includes installing support (1), fan group (2) and fall case (3) of making an uproar, its characterized in that: the mounting bracket (1) comprises a bottom plate (11) and a limiting frame (12), the limiting frame (12) is mounted on the upper end face of the bottom plate (11), the limiting frame (12) is fixedly connected with the bottom plate (11), the fan set (2) is mounted in the middle of the limiting frame (12), the fan set (2) is fixedly connected with the limiting frame (12), the noise reduction box (3) is slidably mounted on the upper end face of the bottom plate (11), and the noise reduction box (3) is connected with the side face of the fan set (2).

2. The centrifugal fan with the noise reduction bracket as claimed in claim 1, wherein the bottom plate (11) is provided with guide grooves (111) on the side for mounting the noise reduction box (3), and cushions (112) are further mounted on four corners of the lower end surface of the bottom plate (11), and the cushions (112) are fixedly connected with the bottom plate (11).

3. The centrifugal fan with the noise reduction support according to claim 1, wherein the limiting frame (12) comprises a bracket (121) and an arc-shaped buckle plate (122), the arc-shaped buckle plate (122) is installed at the upper end of the bracket (121), and the arc-shaped buckle plate (122) is fixedly connected with the bracket (121) through a bolt.

4. The centrifugal fan with the noise reduction support according to claim 3, wherein a support plate (123) is symmetrically and fixedly installed on the lower end face of the bracket (121), the support plate (123) is fixed on the upper end face of the bottom plate (11) through bolts, and a plurality of rubber strips (124) are arranged on the inner side faces of the bracket (121) and the arc-shaped buckle plate (122).

5. Centrifugal fan with noise reduction bracket according to claim 4, characterized in that the fan unit (2) comprises a casing (21) and a driving motor (22), the driving motor (22) is fixedly installed on one side of the casing (21), and an air inlet pipe (23) is fixedly installed on the other side of the casing (21).

6. The centrifugal fan with the noise reduction support is characterized in that the noise reduction box (3) comprises a box shell (31) and a filter shell (32), the filter shell (32) is fixedly mounted at the head of the box shell (31), a matching pipe (311) matched with an air inlet pipe (23) is mounted on the side surface of the box shell (31), and noise reduction cotton is further pasted on the inner side surface of the box shell (31).

7. Centrifugal fan with noise reducing bracket according to claim 6, characterized in that the lower end face of the housing (31) is symmetrically provided with a bent plate (312) which is slidably fitted with the guide groove (111), and the bent plate (312) is vertically and fixedly connected with the housing (31).