CN211648611U

CN211648611U - Fan silencer

Info

Publication number: CN211648611U
Application number: CN202020811502.3U
Authority: CN
Inventors: 窦磊; 郝广源; 李江涛; 谈立春
Original assignee: Beijing Taiyanggong Gas Fired Thermal Power Co ltd
Current assignee: Beijing Taiyanggong Gas Fired Thermal Power Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-10-09
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses a fan silencer, equal and equal first drum and two second drums that the level set up including the radius, two the second drum sets up respectively the left and right sides of first drum, and with the coaxial detachable of first drum is connected, two the one end that the second drum was kept away from each other is coaxial to be equipped with first ring flange, coaxial third drum that is equipped with in the first drum, but the setting of third drum horizontal slip is in the first drum, and its lateral wall with the laminating of the inside wall slidable of first drum, the third drum intussuseption is filled with the amortization body, the spaced elastic component that is equipped with about on the inner wall of drum is two sets of all can control compression, the third drum sets up between two sets of elastic component, and with two sets of elastic component all connects. The utility model provides a fan silencer that can effectively slow down the impact of high velocity air to the amortization body.

Description

Fan silencer

Technical Field

The utility model relates to an amortization equipment field. More specifically, the utility model relates to a fan silencer.

Background

Fans are common devices in many fields at present, and are widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grain, wind tunnel wind source and air cushion boat inflating and propelling. However, since the blower increases the pressure of the gas and discharges the gas by means of the input mechanical energy, the blower generates a large amount of noise during operation. The noise of fan silencer when can showing reduction fan operation, but the silencer of the inside silencer drops under the impact of the high-speed air current in the silencer easily, influences the normal use of fan silencer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can effectively slow down fan silencer of high-speed air current to the impact of amortization body.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a fan silencer, includes that the radius equals and equal level sets up first drum and two second drums, two the second drum sets up respectively the left and right sides of first drum, and with the coaxial detachable connection of first drum, two the one end that the second drum kept away from each other is coaxial to be equipped with first ring flange, coaxial third drum that is equipped with in the first drum, but the setting of third drum horizontal slip is in the first drum, and its lateral wall with the inside wall slidable laminating of first drum, third drum intussuseption is filled with the amortization body, the spaced about on the inner wall of drum is equipped with two sets of elastic component that all can control compression, the third drum sets up between two sets of elastic component, and with two sets of elastic component all connects.

Preferably, in the fan silencer, the elastic component comprises a circular ring and a plurality of elastic pieces, the circular ring is coaxially arranged in the first cylinder, the side wall of the circular ring is attached to the inner wall of the first cylinder, the elastic pieces are uniformly distributed on one side, close to the third cylinder, of the circular ring along the circumferential direction, and two ends of each elastic piece are respectively connected with the corresponding circular ring and the corresponding third cylinder.

Preferably, a fan silencer in, still include many round bars, the round bar all sets up along left right direction, it has a plurality of mounting holes that run through it about to have along the circumference equipartition on the third drum, the quantity of mounting hole with the quantity of round bar equals and the setting of one-to-one, but the setting of round bar horizontal slip is in the correspondence in the mounting hole, and its both ends spread respectively the mounting hole and with correspond the ring is connected, two sets of elastic component's quantity with the quantity of round bar equals and the one-to-one, elastic component is the spring, and its cover is established and is corresponded on the round bar.

Preferably, in the fan muffler, two ends of the first cylinders, which are close to each other, are respectively and coaxially provided with a second flange, the left end and the right end of the second cylinder are respectively and coaxially provided with a third flange which is respectively corresponding to the second flanges, and the second flanges and the corresponding third flanges are coaxially connected through a connecting assembly in a detachable manner.

Preferably, a fan silencer in, there are a plurality of first through-holes along the circumference equipartition on the second ring flange, coaxial arrangement has the sleeve in the first through-hole, telescopic outer wall is equipped with the external screw thread, along the circumference equipartition have on the third ring flange with first through-hole quantity equals and the second through-hole of one-to-one, during second ring flange and the third ring flange coaxial coupling that corresponds, the telescopic right-hand member passes the correspondence the second through-hole, and its upper thread installs the nut that matches, screws up the nut can with the second ring flange is connected fixedly with the third ring flange that corresponds, and is a plurality of sleeve and the nut that corresponds constitute coupling assembling.

Preferably, in the fan muffler, one end of the second flange plate close to the corresponding third flange plate is coaxially provided with a first annular groove, one end of the third flange plate close to the corresponding second flange plate is coaxially provided with a second annular groove corresponding to the first annular groove, when the second flange plate is coaxially connected with the corresponding third flange plate, the second annular grooves corresponding to the first annular grooves are spliced into an annular cavity, and an annular sealing ring matched with the annular cavity is arranged in the cavity.

The utility model discloses a fan silencer cushions the amortization body through two sets of elastic component, avoids the amortization body to drop under the impact of the high velocity air flow in the muffler, guarantees the normal use of fan silencer.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of a fan silencer according to the present invention;

fig. 2 is a schematic structural view of the connection assembly of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Fig. 1-2 show a fan silencer according to an embodiment of the present invention, which includes a first cylinder 1 and two second cylinders 2 with equal radius and horizontal arrangement, the two second cylinders 2 are respectively disposed on the left and right sides of the first cylinder 1 and are coaxially detachably connected to the first cylinder 1, a first flange 3 is coaxially disposed on one end of the two second cylinders 2 away from each other, a third cylinder 4 is coaxially disposed in the first cylinder 1, the third cylinder 4 is slidably disposed in the first cylinder 1, and an outer side wall of the third cylinder is slidably attached to an inner side wall of the first cylinder 1, a silencer 5 is filled in the third cylinder 4, two sets of elastic components capable of being compressed left and right are disposed on the inner wall of the cylinder at intervals, the third cylinder 4 is disposed between the two sets of elastic components, and is connected with both groups of elastic components.

In this embodiment, a truncated cone-shaped closing-in may be respectively and coaxially disposed at the mutually distant ends of the two second cylinders 2, and a first flange 3 is respectively and coaxially disposed at the closing-in, so that the fan silencer is connected with the fan through the first flange 3, the connection of the first flange 3 and the fan is the prior art, and the detailed description is not repeated herein; in addition, this embodiment sets up the third barrel outside the muffler body 5, adopts prior art, and here no longer describes in a tired manner, and when the third barrel received the high velocity gas stream's in the muffler impact, muffler body 5 cushions through two sets of elastomeric element, avoids the muffler body 5 to drop under the impact of the high velocity gas stream in the muffler, guarantees the normal use of fan silencer.

Preferably, as another embodiment of the present invention, a fan silencer, wherein the elastic component includes a ring 6 and a plurality of elastic members 7, the ring 6 is coaxially disposed in the first cylinder 1, and a side wall of the ring is attached to an inner wall of the first cylinder 1, and the elastic members 7 are circumferentially and uniformly distributed on one side of the third cylinder 4 near the ring 6, and two ends of the elastic members 7 are respectively connected to the ring 6 and the third cylinder 4.

In this embodiment, a plurality of elastic components 7 are along circumference equipartition in the ring 6 one side that is close to third cylinder 4, can guarantee that both ends receive corresponding elastic component to its elastic force is even about third cylinder 4 to guarantee that third cylinder 4 moves along left right direction in first cylinder 1 is stable.

Preferably, as the utility model discloses another embodiment, a fan silencer in, still include many round bars 8, round bar 8 all sets up along controlling the direction, third cylinder 4 is gone up to have a plurality of mounting holes that run through it about along the circumference equipartition, the quantity of mounting hole with the quantity of round bar 8 equals and the setting of one-to-one, but round bar 8 horizontal slip's setting is in the correspondence in the mounting hole, and its both ends spread respectively the mounting hole and with correspond ring 6 connects, and is two sets of elastic component's elastic component 7 the quantity with the quantity of round bar 8 equals and the one-to-one, elastic component 7 is the spring, and its cover is established and is corresponded on the round bar 8.

In this embodiment, further, through setting up many root circles poles 8, root circles poles 8 play spacing effect for third drum 4 only can remove along left right direction in first drum 1, and the amortization body 5 remains the level throughout promptly, guarantees its noise cancelling effect.

Preferably, as another embodiment of the present invention, in the fan muffler, two ends of the first cylinder 1, which are close to each other, are respectively and coaxially provided with a second flange 9, the left and right ends of the second cylinder 2 are respectively and coaxially provided with a third flange 10 corresponding to the two second flanges 9, the second flange 9 and the corresponding third flange 10 are coaxially connected by a connecting assembly, the second flange 9 is circumferentially and uniformly distributed with a plurality of first through holes, a sleeve 11 is coaxially installed in the first through holes, the outer wall of the sleeve 11 is provided with an external thread, the third flange 10 is circumferentially and uniformly distributed with second through holes which are equal in number and correspond to the first through holes one to one, when the second flange 9 is coaxially connected with the corresponding third flange 10, the right end of the sleeve 11 passes through the corresponding second through holes, and a matched nut 12 is installed on the upper thread, the second flange 9 and the corresponding third flange 10 can be connected and fixed by screwing the nut 12, and the connecting component is formed by the plurality of sleeves 11 and the corresponding nuts 12.

In this embodiment, the plurality of sleeves 11 and the corresponding nuts 12 can be used to detachably connect the second flange 9 and the corresponding third flange 10, and at the same time, the second flange 9 and the third flange 10 can be conveniently connected and positioned, so that the connection between the two is facilitated.

Preferably, as the utility model discloses another embodiment, a fan silencer in, second ring flange 9 is close to corresponding the equal coaxial first annular groove that is equipped with of one end of third ring flange 10, third ring flange 10 is close to corresponding the equal coaxial second annular groove that is equipped with first annular groove corresponds of one end of second ring flange 9, second ring flange 9 with correspond during third ring flange 10 coaxial coupling, the second annular groove that first annular groove corresponds splices into the cavity of 6 shapes of a ring, be equipped with in the cavity rather than the 6 shape sealing washers 13 of ring that match.

In this embodiment, the annular 6-shaped sealing ring 13 is disposed in the cavity when the second flange 9 and the corresponding third flange 10 are coaxially connected, so as to ensure the tightness of the connection between the second flange 9 and the corresponding third flange 10 and the airtightness of the muffler.

While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields suitable for the invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details and embodiments shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims

1. A fan silencer is characterized by comprising a first cylinder (1) and two second cylinders (2) which are equal in radius and are horizontally arranged, wherein the two second cylinders (2) are respectively arranged on the left side and the right side of the first cylinder (1) and are coaxially and detachably connected with the first cylinder (1), one ends, far away from each other, of the two second cylinders (2) are coaxially provided with a first flange (3), a third cylinder (4) is coaxially arranged in the first cylinder (1), the third cylinder (4) is arranged in the first cylinder (1) in a left-right sliding mode, the outer side wall of the third cylinder is slidably attached to the inner side wall of the first cylinder (1), a silencing body (5) is filled in the third cylinder (4), two groups of elastic assemblies capable of being compressed left and right are arranged on the inner wall of the cylinders at intervals left and right, and the third cylinder (4) is arranged between the two groups of elastic assemblies, and is connected with both groups of elastic components.

2. The fan silencer according to claim 1, wherein the elastic assembly comprises a circular ring (6) and a plurality of elastic members (7), the circular ring (6) is coaxially arranged in the first cylinder (1), the side wall of the circular ring is attached to the inner wall of the first cylinder (1), the plurality of elastic members (7) are uniformly distributed on one side, close to the third cylinder (4), of the circular ring (6) along the circumferential direction, and two ends of each elastic member (7) are respectively connected with the corresponding circular ring (6) and the corresponding third cylinder (4).

3. The fan silencer according to claim 2, further comprising a plurality of round bars (8), wherein the round bars (8) are all arranged in the left-right direction, a plurality of mounting holes penetrating through the third cylinder (4) left and right are evenly distributed on the third cylinder (4) along the circumferential direction, the number of the mounting holes is equal to that of the round bars (8), the mounting holes are arranged in a one-to-one correspondence manner, the round bars (8) are arranged in the corresponding mounting holes in a left-to-right sliding manner, two ends of each round bar are respectively transmitted out of the mounting holes and connected with the corresponding round rings (6), the number of the elastic members (7) of the two sets of elastic members is equal to that of the round bars (8), the elastic members (7) are springs, and the springs are sleeved on the corresponding round bars (8).

4. A fan muffler according to any one of claims 1 to 3, wherein one end of each of the two first cylinders (1) adjacent to each other is coaxially provided with a second flange (9), the left and right ends of the second cylinder (2) are coaxially provided with third flanges (10) corresponding to the two second flanges (9), respectively, and the second flanges (9) and the corresponding third flanges (10) are detachably and coaxially connected by a connecting assembly.

5. The fan silencer according to claim 4, wherein a plurality of first through holes are uniformly distributed in the second flange plate (9) along the circumferential direction, sleeves (11) are coaxially installed in the first through holes, external threads are arranged on the outer wall of each sleeve (11), second through holes which are equal in number to the first through holes and correspond to the first through holes in a one-to-one manner are uniformly distributed in the third flange plate (10) along the circumferential direction, when the second flange plate (9) and the corresponding third flange plate (10) are coaxially connected, the right end of each sleeve (11) penetrates through the corresponding second through holes, matched nuts (12) are installed on the sleeves in a threaded manner, the second flange plate (9) and the corresponding third flange plate (10) can be fixedly connected by tightening the nuts (12), and the sleeves (11) and the corresponding nuts (12) form the connecting component.

6. The fan silencer according to claim 5, wherein a first annular groove is coaxially formed at one end of each second flange (9) close to the corresponding third flange (10), a second annular groove corresponding to the first annular groove is coaxially formed at one end of each third flange (10) close to the corresponding second flange (9), when the second flange (9) and the corresponding third flange (10) are coaxially connected, the second annular grooves corresponding to the first annular grooves are spliced to form a circular ring (6) -shaped cavity, and a circular ring (6) -shaped sealing ring (13) matched with the circular ring is arranged in the cavity.