CN217301048U

CN217301048U - Installation case for reducing fan noise

Info

Publication number: CN217301048U
Application number: CN202220245731.2U
Authority: CN
Inventors: 袁锋
Original assignee: Yichang Qinye Air Conditioning Co ltd
Current assignee: Yichang Qinye Air Conditioning Co ltd
Priority date: 2022-01-29
Filing date: 2022-01-29
Publication date: 2022-08-26
Anticipated expiration: 2032-01-29

Abstract

The utility model provides an installation case for reducing fan noise, which comprises a case body, wherein a baffle is arranged in the case body, two ends of the baffle are respectively fixedly connected with the inner wall of the case body, and two sides of the baffle are respectively separated from the inner wall of the case body; the box body is divided into an upper space and a lower space by the partition plate, the fan is positioned in the lower half space of the box body, the fan is separated from the inner wall of the box body in the operation process, the box body is also fixedly connected with an air inlet pipe and an air outlet pipe which are communicated with the lower half space, the air outlet of the fan is opposite to the air outlet pipe, and the air inlet is opposite to the air inlet pipe; wherein, the box body is provided with an interlayer space, and the interlayer space is filled with the silencing sheet. The utility model discloses a set up damping subassembly and reduce the fan vibration, cooperate the noise reduction that the amortization piece made the fan produce simultaneously.

Description

Installation case for reducing fan noise

Technical Field

The utility model relates to a mounting apparatus technical field is assisted to the fan, especially relates to a reduce installation machine case of fan noise.

Background

In the prior art, a fan (centrifugal fan) has the problem of high noise, or some low-noise fans have the problems of small air volume and low air pressure, generally, in the fans with larger air volume and larger air pressure, the noise is larger, a silencer needs to be additionally arranged on an air duct pipeline to reduce the noise, the silencer can occupy extra space, and meanwhile, the noise at a noise generating position (namely the fan) is not inhibited.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a reduce installation machine case of fan noise, it has solved among the prior art problem that the muffler accounts for extra space and does not restrain fan department noise.

According to the embodiment of the utility model, an installation machine case for reducing fan noise comprises a case body, a baffle is arranged in the case body, two ends of the baffle are respectively fixedly connected with the inner wall of the case body, two sides of the baffle are respectively separated from the inner wall of the case body, the installation machine case further comprises an installation plate, the installation plate is fixedly connected with a pair of sliding parts, the two sliding parts are respectively in sliding contact with two sides of the baffle and separated from the inner wall of the case body, a damping assembly is further arranged between the installation plate and the baffle, and the fan is fixedly installed on the installation plate, wherein the sliding parts are in sliding contact with the baffle, so that the guide is provided for the vibration of the baffle, and the fan is favorably prevented from swinging (namely, the fan vibrates downwards under the guide of the sliding parts);

the box body is divided into an upper space and a lower space by the partition plate, the fan is positioned in the lower half space of the box body, the fan is separated from the inner wall of the box body in the operation process, the box body is also fixedly connected with an air inlet pipe and an air outlet pipe which are communicated with the lower half space, the air outlet of the fan is opposite to the air outlet pipe, and the air inlet is opposite to the air inlet pipe; wherein, the box body is provided with an interlayer space, and the interlayer space is filled with the silencing sheet.

In the above embodiment, the baffle makes the fan not with box direct contact, has still set up the damping subassembly of damping simultaneously between fan and the baffle for the vibration noise when fan operation reduces, deuterogamies the hush piece of packing in the box intermediate layer space, finally makes the noise of fan reduce, consequently need not to install the muffler additional on the wind channel pipeline, has avoided occupying of extra space to have played the effect of making an uproar simultaneously to the fan.

Furthermore, the air inlet pipe and the air outlet pipe are respectively arranged on two side walls of the case, and the air inlet pipe and the air outlet pipe are respectively wrapped with silencing cotton.

Furthermore, the installation case also comprises silencing hole plates arranged in the upper space and the lower space of the case body, the circumferential wall of the silencing hole plate positioned in the upper space is fixedly connected with the inner wall of the case body and is parallel to the partition plate, the silencing hole plate positioned in the lower space is fixedly connected with the inner wall of the case body and is vertical to the partition plate, the two silencing hole plates are separated from the partition plate, and one silencing hole plate vertical to the partition plate is positioned on one side of the fan, which is deviated from the air outlet of the fan.

Further, damping subassembly includes that four guide posts and four guide posts with baffle fixed connection are located the four corners department of mounting panel respectively, the guide post slide pass behind the mounting panel with limiting plate fixed connection, damping subassembly still includes around first spring and second spring outside each guide post, wherein, first spring both ends respectively with mounting panel and baffle fixed connection, second spring both ends respectively with mounting panel and limiting plate fixed connection.

Furthermore, the two sides of the partition board are fixedly connected with guide blocks, and the two sliding parts are respectively provided with sliding notches for the adjacent guide blocks to be in sliding connection.

Furthermore, a channel which is respectively communicated with the air inlet pipe and the air outlet pipe is arranged on the box body, and silencing cotton is attached to the inner wall of the channel.

Furthermore, the silencing cotton in the channel extends into the air inlet pipe or the air outlet pipe.

Compared with the prior art, the utility model discloses following beneficial effect has:

through the cooperation of the damping component and the damping sheet in the interlayer of the box body, the noise generated by the fan is reduced, so that a silencer is not required to be installed on an air duct pipeline, and the occupation of extra space is avoided.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

fig. 2 is a schematic view of a mounting structure of a damping module according to an embodiment of the present invention;

in the above drawings:

the air conditioner comprises a box body 1, a partition plate 2, a sliding part 3, a mounting plate 4, a fan 5, an air inlet pipe 6, an air outlet pipe 7, a silencing sheet 8, silencing cotton 9, a channel 10, a silencing orifice plate 11, a motor 12, a guide post 13, a limiting plate 14, a first spring 15, a second spring 16, a guide block 17 and a sliding notch 18.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1 and 2, the embodiment provides an installation case for reducing fan noise, which includes a case body 1, a partition plate 2 is disposed in the case body 1, two ends of the partition plate 2 are respectively fixedly connected to an inner wall of the case body 1, two sides of the partition plate 2 are respectively separated from the inner wall of the case body 1, the installation case further includes an installation plate 4, the installation plate 4 is fixedly connected with a pair of sliding portions 3, the two sliding portions 3 are respectively in sliding contact with two sides of the partition plate 2 and are separated from the inner wall of the case body 1, a damping assembly is further disposed between the installation plate 4 and the partition plate 2, and a fan 5 is fixedly installed on the installation plate 4;

the box body 1 is divided into an upper space and a lower space by the partition plate 2, the fan 5 is positioned in the lower half space of the box body 1, the fan 5 is separated from the inner wall of the box body 1 in the operation process, the box body 1 is also fixedly connected with an air inlet pipe 6 and an air outlet pipe 7 which are communicated with the lower half space, the air outlet of the fan 5 is opposite to the air outlet pipe 7, and the air inlet is opposite to the air inlet pipe 6; wherein, the box body 1 is provided with an interlayer space, and the interlayer space is filled with a silencing sheet 8.

In the above embodiment, baffle 2 makes fan 5 not with box 1 direct contact, avoid fan 5 and box 1 to bump, the damping subassembly of damping has still been set up between fan 5 and the baffle 2 simultaneously, vibration noise when making fan 5 move reduces, the amortization piece 8 of packing in the 1 intermediate layer space of box of deuterogamying finally makes fan 5's noise reduce, consequently need not to install the muffler additional on the wind channel pipeline, the effect of making an uproar has been played to fan 5 simultaneously to taking up of having avoided extra space.

As shown in fig. 1, preferably, the air inlet pipe 6 and the air outlet pipe 7 are respectively disposed on two side walls of the chassis, and the air inlet pipe 6 and the air outlet pipe 7 are both wrapped with sound damping cotton 9, and the sound damping cotton 9 can reduce the noise emitted from the air inlet pipe 6 and the air outlet pipe 7, so as to reduce the overall noise;

furthermore, a channel 10 which is respectively communicated with the air inlet pipe 6 and the air outlet pipe 7 is arranged on the box body 1, a silencing cotton 9 is attached to the inner wall of the channel 10, like the silencing cotton 9 outside the box body 1, the silencing cotton 9 inside the channel 10 can also have the function of reducing noise, in order to make the noise reduction effect better, the silencing cotton 9 inside the channel 10 extends into the air inlet pipe 6 or the air outlet pipe 7, namely, the silencing cotton 9 inside the channel 10 and the air inlet pipe 6 (or the air outlet pipe 7) is also attached to the inner walls of the air inlet pipe 6 and the air outlet pipe 7, the noise at the positions of the air inlet pipe 6 and the air outlet pipe 7 is further reduced together with the silencing cotton 9 outside, and the noise reduction capability of the mounting case is improved.

As shown in fig. 1, the installation case further includes silencing orifice plates 11 (silencing orifice plates 11 and silencing sheets 8 and silencing are commercially available products) disposed in the upper and lower spaces of the case 1, the circumferential wall of the silencing orifice plate 11 located in the upper half space is fixedly connected with the inner wall of the case 1 and is parallel to the partition plate 2, the silencing orifice plate 11 located in the lower half space is fixedly connected with the inner wall of the case and is perpendicular to the partition plate 2, both silencing orifice plates 11 are separated from the partition plate 2, wherein one silencing orifice plate 11 perpendicular to the partition plate 2 is located on the side of the fan 5 away from the air outlet (i.e. the side of the fan 5 where the motor 12 is disposed), the silencing orifice plate 11 further enhances the effect of eliminating noise generated by the fan 5, wherein the silencing orifice plate 11 is not disposed on the path of air flow (i.e. the path of air flow), the air blocking by the silencing orifice plate 11 is avoided, and at the same time, the silencing hole plate 11 is not in contact with the partition plate 2, so that the influence of the micro-vibration of the partition plate 2 on the silencing partition plate 2 is avoided.

As shown in fig. 1 and 2, the damping assembly includes four guide posts 13 fixedly connected with the partition board 2, and the four guide posts 13 are respectively located at four corners of the mounting board 4, the guide posts 13 slide through the mounting board 4 and then are fixedly connected with the limiting board 14, the damping assembly further includes a first spring 15 and a second spring 16 surrounding each guide post 13, wherein two ends of the first spring 15 are respectively fixedly connected with the mounting board 4 and the partition board 2, and two ends of the second spring 16 are respectively fixedly connected with the mounting board 4 and the limiting board 14. The inevitable shake that can take place during the fan 5 operation, under the common guide of guide post 13 and sliding part 3, the vibration direction that fan 5 takes place can not squint, and simultaneously, first spring 15 and second spring 16 then absorb the vibration through the deformation of self to can reduce the influence of vibration to baffle 2, thereby play the effect of making an uproar that falls in the damping.

As shown in fig. 1, in order to further ensure that the fan 5 performs vertical vibration, guide blocks 17 are fixedly connected to two sides of the partition board 2, and the two sliding portions 3 are respectively provided with sliding notches 18 slidably connected with the adjacent guide blocks 17, that is, vibration of the fan 5 is performed under the combined action of the guide blocks 17, the sliding portions 3 and the guide posts 13, so that vibration is always performed in the vertical direction, and thus the first spring 15 and the second spring 16 can better absorb vibration, and accordingly, generation of larger noise due to irregular vibration is effectively avoided.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. An installation case for reducing fan noise is characterized by comprising a case body, wherein a partition plate is arranged in the case body, two ends of the partition plate are respectively and fixedly connected with the inner wall of the case body, two sides of the partition plate are respectively separated from the inner wall of the case body, the installation case also comprises an installation plate, the installation plate is fixedly connected with a pair of sliding parts, the two sliding parts are respectively in sliding contact with two sides of the partition plate and are separated from the inner wall of the case body, a vibration damping assembly is also arranged between the installation plate and the partition plate, and a fan is fixedly installed on the installation plate;

2. The mounting cabinet for reducing fan noise according to claim 1, wherein the air inlet pipe and the air outlet pipe are respectively disposed on two side walls of the cabinet, and the air inlet pipe and the air outlet pipe are wrapped with noise reduction cotton.

3. The enclosure for reducing fan noise of claim 1, further comprising silencing orifice plates disposed in the upper and lower spaces of the enclosure, wherein the perimeter wall of the silencing orifice plate in the upper space is fixedly connected to the inner wall of the enclosure and parallel to the partition, the silencing orifice plate in the lower space is fixedly connected to the inner wall of the enclosure and perpendicular to the partition, both silencing orifice plates are separated from the partition, and wherein a silencing orifice plate perpendicular to the partition is disposed on a side of the fan facing away from the outlet.

4. The blower noise reduction mounting box according to claim 1, wherein the damping assembly includes four guide posts fixedly connected to the partition plate, the four guide posts are respectively located at four corners of the mounting plate, the guide posts are fixedly connected to the limiting plate after sliding through the mounting plate, the damping assembly further includes a first spring and a second spring surrounding each guide post, wherein two ends of the first spring are respectively fixedly connected to the mounting plate and the partition plate, and two ends of the second spring are respectively fixedly connected to the mounting plate and the limiting plate.

5. The blower noise reduction mounting case according to any one of claims 1 to 4, wherein guide blocks are fixedly connected to both sides of the partition, and the two sliding portions are respectively provided with a sliding notch for slidably connecting the adjacent guide blocks.

6. The mounting case for reducing fan noise according to claim 5, wherein the case body is provided with a channel respectively communicating with the air inlet pipe and the air outlet pipe, and the inner wall of the channel is attached with noise reduction cotton.

7. The blower noise reduction mounting enclosure of claim 6, wherein the sound attenuating wool in the duct extends into the inlet duct or the outlet duct.