CN215333543U

CN215333543U - Fan silencer

Info

Publication number: CN215333543U
Application number: CN202121439990.0U
Authority: CN
Inventors: 顾双凤; 王占军
Original assignee: Lianyungang Guanxu Power Energy Saving Equipment Co ltd
Current assignee: Lianyungang Guanxu Power Energy Saving Equipment Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-12-28
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a fan silencer which comprises a first pipe body, a second pipe body and connecting flanges, wherein ventilation grooves are formed in the first pipe body and the second pipe body in a penetrating mode, clamping grooves communicated with the ventilation grooves are formed in the ends, close to the first pipe body and the second pipe body, of the first pipe body and the second pipe body, cylindrical foam is clamped in the clamping grooves, a penetrating groove is formed in one end, close to the second pipe body, of the cylindrical foam in a penetrating mode, the connecting flanges are arranged on the peripheries, close to the first pipe body and the second pipe body, of the first pipe body and the second pipe body, and the connecting flanges are fastened and connected through first connecting screws. This novel amortization structure can conveniently dismantle the change, and the shock attenuation effect of muffler is good, is fit for extensively using widely.

Description

Fan silencer

Technical Field

The utility model relates to the technical field of fan parts, in particular to a fan silencer.

Background

In the operation of the fan, the silencer is necessary for silencing the fan conveniently.

The prior silencer has the following defects: 1. the silencing structure cannot be conveniently disassembled and replaced; 2. the shock absorption effect of the silencer is not good. To this end, we propose a fan silencer.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a fan silencer which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

fan muffler, including first body, second body and flange, the ventilation groove has all been run through and has been seted up in first body and the second body, first body and second body are close to one end mutually and all set up with the draw-in groove and the draw-in groove inside callipers of ventilation groove intercommunication and are equipped with the cylindricality bubble cotton, the cotton one end of cylindricality bubble runs through and is provided with the through groove, first body and second body are close to the periphery mutually and all are provided with flange, carry out fastening connection through first connecting screw between the flange.

Further, the periphery of one end of the first pipe body is provided with the connecting disc, one end of the connecting disc penetrates through and is provided with a first reserved hole, a screw hole corresponding to the first reserved hole is reserved in the external installation face to be installed, an external screw penetrates through the first reserved hole and is connected with the screw hole, and therefore the connecting disc is conveniently fixed to the installation face to be installed.

Further, second body top and bottom all are provided with lug and lug one side and all run through and have seted up the second preformed hole, the extension rod has all been welded to connection pad top one side and bottom one side, the second connecting screw is all installed through the mounting hole to the extension rod tip, connect fixedly through second connecting screw and second preformed hole between extension rod and the lug, utilize second connecting screw and the cooperation of second preformed hole, conveniently connect fixedly lug and extension rod to connect between second body and the connection pad, owing to the limiting displacement of extension rod to the second body, can effectively promote the firm effect of second body after the installation, be favorable to reducing the vibrations of this muffler.

Furthermore, the connecting disc one end is close to ventilation groove edge has seted up annular groove and is fixed with annular rubber circle through glue in the annular groove.

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

1. according to the fan silencer, the screw hole corresponding to the first reserved hole is reserved in the external installation surface to be installed, the connecting disc can be conveniently fixed on the installation surface to be installed by penetrating the external screw through the first reserved hole and being connected with the screw hole through the annular rubber ring in the annular groove, when the connecting disc is conveniently installed on the installation surface to be installed, the sealing effect between the connecting disc and the installation surface to be installed is effectively improved, air exhausted by a fan can be conveniently exhausted through the ventilation grooves in the first pipe body and the second pipe body, sound can be effectively reduced by penetrating the through groove formed in one end of the cylindrical foam, a person can conveniently detach the connecting flange by unscrewing the first connecting screw, and the cylindrical foam can be conveniently detached and replaced.

2. According to the fan silencer, the second connecting screw is matched with the second reserved hole, the bump and the extension rod are conveniently connected and fixed, so that the second pipe body and the connecting disc are connected, the fixing effect of the second pipe body after installation can be effectively improved due to the limiting effect of the extension rod on the second pipe body, and the vibration of the silencer can be reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the fan silencer of the present invention.

Fig. 2 is a schematic side view of a second pipe of the fan silencer according to the present invention.

Fig. 3 is a schematic sectional structure view of the fan silencer of the present invention.

In the figure: 1. a first pipe body; 2. a second tube body; 3. a connecting flange; 4. a first connection screw; 5. a connecting disc; 6. a first preformed hole; 7. an annular groove; 8. an annular rubber ring; 9. a card slot; 10. column-shaped foam; 11. a through groove; 12. an extension rod; 13. a second connection screw; 14. a bump; 15. a second preformed hole; 16. and (4) ventilating slots.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-3, the fan silencer includes a first pipe body 1, a second pipe body 2 and a connecting flange 3, a ventilation groove 16 is formed in the first pipe body 1 and the second pipe body 2 in a penetrating manner, a clamping groove 9 communicated with the ventilation groove 16 is formed in one end, close to the first pipe body 1 and the second pipe body 2, of the first pipe body 1, close to the second pipe body 2, a cylindrical foam 10 is clamped in the clamping groove 9, a penetrating groove 11 is formed in one end of the cylindrical foam 10 in a penetrating manner, the connecting flange 3 is arranged on the periphery, close to the periphery, of the first pipe body 1 and the second pipe body 2, and the connecting flange 3 is fastened and connected through a first connecting screw 4.

Wherein, the periphery of 1 one end of first body is provided with

connection pad

5 and 5 one ends of connection pad are run through and are provided with first preformed hole 6.

In this embodiment, as shown in fig. 1, 2, and 3, a screw hole corresponding to the first preformed hole 6 is preformed on the external surface to be mounted, and an external screw passes through the first preformed hole 6 and is connected to the screw hole, so that the connection pad 5 is conveniently fixed to the surface to be mounted.

Wherein, 2 tops of second body and bottom all are provided with lug 14 and lug 14 one side and all run through and have seted up second preformed hole 15, extension rod 12 has all been welded to 5 top one sides of connection pad and bottom one side, second connecting screw 13 is all installed through the mounting hole to extension rod 12 tip, connect fixedly through second connecting screw 13 and second preformed hole 15 between extension rod 12 and the lug 14.

As shown in fig. 1 and 2 in this embodiment, utilize second connecting screw 13 and the cooperation of second preformed hole 15, conveniently connect bump 14 and extension rod 12 fixedly to connect between second body 2 and connection pad 5, because extension rod 12 is to the limiting displacement of second body 2, can effectively promote the firm effect of second body 2 after the installation, be favorable to reducing the vibrations of this muffler.

An annular groove 7 is formed in one end of the connecting disc 5 close to the edge of the ventilation groove 16, and an annular rubber ring 8 is fixed in the annular groove 7 through glue.

In this embodiment, as shown in fig. 1 and 3, when the connection disc 5 is conveniently mounted on the surface to be mounted, the sealing effect between the connection disc 5 and the surface to be mounted is effectively improved by using the annular rubber ring 8 in the annular groove 7.

It should be noted that, the utility model is a fan silencer, when in use, a screw hole corresponding to the first preformed hole 6 is preformed on an external mounting surface, an external screw passes through the first preformed hole 6 to be connected with the screw hole, so that the connecting disc 5 is conveniently fixed on the mounting surface, the annular rubber ring 8 in the annular groove 7 is utilized to effectively improve the sealing effect between the connecting disc 5 and the mounting surface when the connecting disc 5 is conveniently mounted on the mounting surface, the wind exhausted by the fan is conveniently exhausted through the ventilation grooves 16 in the first pipe body 1 and the second pipe body 2, the noise can be effectively reduced by utilizing the through groove 11 formed in one end of the cylindrical foam 10, a person conveniently detaches the connecting flange 3 by unscrewing the first connecting screw 4, so that the cylindrical foam 10 is conveniently detached and replaced, and the second connecting screw 13 is matched with the second preformed hole 15, the convenience is connected fixedly lug 14 and extension rod 12 to connect between second body 2 and connection pad 5, because extension rod 12 is to the limiting displacement of second body 2, can effectively promote the firm effect of second body 2 after the installation, be favorable to reducing the vibrations of this muffler.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Fan muffler includes first body (1), second body (2) and flange (3), its characterized in that: all run through in first body (1) and the second body (2) and seted up ventilation groove (16), first body (1) and second body (2) are close to one end mutually and all set up draw-in groove (9) and draw-in groove (9) inside callipers that communicate with ventilation groove (16) and are equipped with cylindricality bubble cotton (10), cylindricality bubble cotton (10) one end is run through and is provided with through groove (11), first body (1) and second body (2) are close to the periphery mutually and all are provided with flange (3), carry out fastening connection through first connecting screw (4) between flange (3), first body (1) one end periphery is provided with connection pad (5) and connection pad (5) one end runs through and is provided with first preformed hole (6).

2. The fan silencer of claim 1, wherein: second body (2) top and bottom all are provided with lug (14) and lug (14) one side and all run through and have seted up second preformed hole (15), connecting pad (5) top one side and bottom one side all weld extension rod (12), extension rod (12) tip all installs second connecting screw (13) through the mounting hole, connect fixedly through second connecting screw (13) and second preformed hole (15) between extension rod (12) and lug (14).

3. The fan silencer of claim 1, wherein: and one end of the connecting disc (5) is close to the edge of the ventilating groove (16), an annular groove (7) is formed in the edge of the connecting disc, and an annular rubber ring (8) is fixed in the annular groove (7) through glue.