CN215109712U

CN215109712U - Silencer applied to fan

Info

Publication number: CN215109712U
Application number: CN202121791886.8U
Authority: CN
Inventors: 方森江
Original assignee: Shaoxing Shangyu Concentrated Energy Fan Co ltd
Current assignee: Shaoxing Shangyu Concentrated Energy Fan Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2021-12-10
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses a be applied to silencer of fan, including fan shell and silencer shell, fan shell middle part is provided with the ventilation groove, silencer shell inner circle is provided with a plurality of abatvoix, the silencer shell front end face is provided with the connecting cover, the connecting cover head is provided with the inner race, the inner race is located ventilation groove afterbody inner circle position, end position is provided with the attaching plate about the connecting cover outer lane, attaching plate head is provided with the straight board of rectangle, rectangle straight board outside end face head position is provided with adjustable latch segment, end position is provided with the pole setting about the fan shell outer lane, the pole setting head is provided with the straight board of outside. A be applied to silencer of fan, belong to the fan field, through setting up the silencer shell of the dismouting of being convenient for in fan one end, when keeping the amortization and falling an uproar, the clearance of dismantling that can be swift avoids the inside acoustical panel of silencer to adsorb dust impurity and influence the noise cancelling effect.

Description

Silencer applied to fan

Technical Field

The utility model relates to a fan field, in particular to be applied to silencer of fan.

Background

The fan is a machine which depends on input mechanical energy to improve gas pressure and discharge gas, and is a driven fluid machine, comprising a ventilator, a blower and the like, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, cooling and ventilation in air conditioning equipment and household electrical equipment, and the like, because the fan has higher power during operation, larger noise can be generated, in a personnel work area, in order to reduce noise influence, a silencer is usually arranged on the fan to perform noise reduction and noise reduction, the common silencer applied to the fan is fixed by bolts or even in a welding mode, so that the quick disassembly, maintenance and cleaning are difficult, because the fan often adsorbs part of dust and debris and brings the dust and debris into the silencer, and a large amount of dust and debris can be attached to parts such as the silencing plate after long-time operation, thereby influencing the silencing effect, reducing the service life of the silencer and causing inconvenience.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a silencer for a fan, which can effectively solve the problems of the prior art.

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

a silencer applied to a fan comprises a fan shell and a silencer shell, wherein a ventilation groove is arranged in the middle of the fan shell, the inner ring of the silencer shell is provided with a plurality of sound-absorbing boards, the front end surface of the silencer shell is provided with a connecting cover, the head part of the connecting cover is provided with an inner ring which is positioned at the inner ring position at the tail part of the ventilation groove, the upper end and the lower end of the outer ring of the connecting cover are provided with attaching plates, the head parts of the attaching plates are provided with rectangular straight plates, the adjustable locking block is arranged at the head part of the end face of the outer side of the rectangular straight plate, the vertical rods are arranged at the upper end and the lower end of the outer ring of the blower casing, the head of the upright stanchion is provided with an outer straight board, the head of the outer straight board is provided with a rectangular chute corresponding to the rectangular straight board, a pair of vertical plates is arranged on the upper end face of the outer straight plate, an adjustable lifting plate is arranged between the vertical plates, and a holding rod is arranged on the upper end face of the lifting plate.

Preferably, the attaching plate bottom is fixed through the welding, the outside diameter of inner race equals with the ventilation groove, the inner race outer lane is provided with inhales the cotton circle of sound, it is located the straight inboard position of rectangle to inhale the cotton circle of sound.

Preferably, the upper end face of the outer straight plate is provided with a through hole, the bottom of the through hole is connected to the rectangular sliding groove, the width of the through hole is equal to that of the locking block, and the front end face of the locking block is an arc face.

Preferably, the vertical plate is located on two sides of the through hole respectively, the middle positions of the end faces on two sides of the lifting plate are provided with extending convex blocks, the middle position of the lower end face of the vertical plate is provided with a limiting sliding groove, the width of the limiting sliding groove is equal to that of the extending convex block, and the distance from the lower end face of the extending convex block to the bottom of the lifting plate is equal to the depth of the through hole.

Preferably, the outer end face of the rectangular straight plate is provided with an outer groove corresponding to the locking block, the bottom of the outer groove is provided with an inner straight groove, the top of the inner straight groove is provided with a liftable outer partition plate, and the bottom of the locking block is connected to the middle position of the upper end face of the outer partition plate.

Preferably, the bottom of the inner straight groove is provided with an inner partition plate through bonding, the size of the inner partition plate is equal to that of the outer partition plate, the upper end face of the inner partition plate is provided with a spring, and the top of the spring is connected to the middle position of the lower end face of the outer partition plate.

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

the utility model discloses in, through setting up the silencer shell of the dismouting of being convenient for in fan one end, when keeping the amortization and fall noise, can be swift dismantle the clearance, avoid the inside acoustical panel of muffler to adsorb dust impurity and influence the noise cancelling effect, through set up the sound cotton circle of inhaling in the inner race outer lane, can strengthen the compactedness of inner race at the inslot installation of ventilating, also can strengthen the sound noise cancelling effect of inhaling simultaneously, through set up adjustable latch segment in the straight board top of rectangle, it can be quick fix to utilize the latch segment card to go into the perforating hole, it is more convenient to make the installation, through setting up adjustable lifter plate between the riser, utilize the lifter plate can press the position of adjusting the latch segment, thereby quick dismantlement, thereby overhaul the clearance to the silencer internals.

Drawings

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

fig. 2 is a schematic view of the ventilation slot of the present invention;

FIG. 3 is a schematic view of the through hole of the present invention;

fig. 4 is a schematic view of the rectangular straight plate split of the present invention.

In the figure: 1. a fan housing; 2. a muffler housing; 3. a connecting cover; 4. an inner race; 5. a ventilation slot; 6. a sound absorbing cotton ring; 7. a sound-absorbing panel; 8. attaching a plate; 9. a rectangular straight plate; 10. erecting a rod; 11. an outer straight plate; 12. a rectangular chute; 13. a locking block; 14. a through hole; 15. a vertical plate; 16. a lifting plate; 17. an extension bump; 18. a limiting chute; 19. a holding rod; 20. an outer groove; 21. an inner straight groove; 22. an outer partition plate; 23. a spring; 24. an inner partition plate.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a silencer applied to a fan comprises a fan shell 1 and a silencer shell 2, a ventilation slot 5 is arranged in the middle of the fan shell 1, a plurality of sound absorbing boards 7 are arranged on the inner ring of the silencer shell 2, a connecting cover 3 is arranged on the front end face of the silencer shell 2, an inner ring 4 is arranged on the head of the connecting cover 3, the inner ring 4 is arranged at the inner ring position at the tail of the ventilation slot 5, attachment plates 8 are arranged at the upper and lower end positions of the outer ring of the connecting cover 3, a rectangular straight plate 9 is arranged at the head of the attachment plate 8, an adjustable locking block 13 is arranged at the head position of the outer end face of the rectangular straight plate 9, a vertical rod 10 is arranged at the upper and lower end positions of the outer ring of the fan shell 1, an outer straight plate 11 is arranged at the head of the vertical rod 10, a rectangular chute 12 is arranged at the head of the outer straight plate 11 corresponding to the rectangular straight plate 9, a pair of vertical plates 15 is arranged on the upper end face of the outer straight plate 11, and an adjustable lifting plate 16 is arranged between the vertical plates 15, the upper end surface of the lifting plate 16 is provided with a holding rod 19.

In the embodiment, in order to enhance the tightness of the inner ferrule 4 after being installed in the ventilation groove 5, the bottom of the attachment plate 8 is fixed by welding, the outer diameter of the inner ferrule 4 is equal to that of the ventilation groove 5, the outer ring of the inner ferrule 4 is provided with the sound-absorbing cotton ring 6, and the sound-absorbing cotton ring 6 is positioned at the inner side of the rectangular straight plate 9;

in the embodiment, in order to facilitate assembly and fixation, the upper end surface of the outer straight plate 11 is provided with a through hole 14, the bottom of the through hole 14 is connected to the rectangular sliding groove 12, the width of the through hole 14 is equal to that of the locking block 13, and the front end surface of the locking block 13 is an arc surface;

in this embodiment, in order to facilitate the detachment by adjusting the height of the locking block 13, the vertical plate 15 is respectively located at two sides of the through hole 14, the middle positions of the end surfaces at two sides of the lifting plate 16 are both provided with extending bumps 17, the middle position of the lower end surface of the vertical plate 15 is provided with a limiting sliding groove 18, the width of the limiting sliding groove 18 is equal to that of the extending bumps 17, and the distance from the lower end surface of the extending bumps 17 to the bottom of the lifting plate 16 is equal to the depth of the through hole 14;

in addition, in order to enable the locking block 13 to automatically extend and reset after adjustment, an outer groove 20 is formed in the outer side end face of the rectangular straight plate 9 corresponding to the locking block 13, an inner straight groove 21 is formed in the bottom of the outer groove 20, a liftable outer partition plate 22 is arranged at the top position in the inner straight groove 21, the bottom of the locking block 13 is connected to the middle position of the upper end face of the outer partition plate 22, an inner partition plate 24 is arranged at the bottom of the inner straight groove 21 through bonding, the size of the inner partition plate 24 is equal to that of the outer partition plate 22, a spring 23 is arranged on the upper end face of the inner partition plate 24, and the top of the spring 23 is connected to the middle position of the lower end face of the outer partition plate 22.

It should be noted that, the utility model relates to a silencer applied to a fan, when in actual use, can dismantle fan shell 1 and silencer shell 2 fast and clear up, find lifter plate 16 between riser 15, hold the holding rod 19 of lifter plate 16 up end and push down, thereby drive lifter plate 16 to move downwards, lifter plate 16 extrudes latch 13 below, make latch 13 extrude outer baffle 22 below, outer baffle 22 extrudes spring 23, make spring 23 stress produce the compression, until latch 13 deviates from the perforating hole 14 that is located, then can outwards pull silencer shell 2, make rectangle straight board 9 deviate from rectangle spout 12, can accomplish and dismantle, then can clear up parts such as acoustic panel 7 inside silencer shell 2, in order to ensure the noise elimination and reduction effect of silencer, after clearing up, can aim at rectangle straight board 9 at rectangle spout 12 again and install, the upper wall of the rectangular sliding groove 12 extrudes the arc surface of the locking block 13, so that the arc surface is compressed again and contracted until the locking block 13 reaches the position of the through hole 14, and the locking block 13 which is not compressed extends out of the through hole 14 under the action of elasticity, thereby ensuring the stability between the fan shell 1 and the silencer shell 2.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a be applied to silencer of fan which characterized in that: the air blower comprises a blower shell (1) and a silencer shell (2), wherein a ventilation groove (5) is formed in the middle of the blower shell (1), a plurality of sound-absorbing boards (7) are arranged on the inner ring of the silencer shell (2), a connecting cover (3) is arranged on the front end face of the silencer shell (2), an inner ring (4) is arranged on the head of the connecting cover (3), the inner ring (4) is located at the inner ring position of the tail of the ventilation groove (5), binding plates (8) are arranged at the upper end and the lower end of the outer ring of the connecting cover (3), a rectangular straight plate (9) is arranged at the head of each binding plate (8), an adjustable locking block (13) is arranged at the head of the outer end face of each rectangular straight plate (9), vertical rods (10) are arranged at the upper end and the lower end of the outer ring of the blower shell (1), the heads of the vertical rods (10) are provided with outer straight plates (11), and rectangular sliding grooves (12) are formed in the heads of the outer straight plates (11) corresponding to the rectangular straight plates (9), a pair of vertical plates (15) is arranged on the upper end face of the outer straight plate (11), an adjustable lifting plate (16) is arranged between the vertical plates (15), and a holding rod (19) is arranged on the upper end face of the lifting plate (16).

2. The silencer applied to the fan according to claim 1, wherein: attaching plate (8) bottom is fixed through the welding, the external diameter and the ventilation groove (5) of inner race (4) equal, inner race (4) outer lane is provided with inhales sound cotton circle (6), it is located the inboard position of the straight board of rectangle (9) to inhale sound cotton circle (6).

3. The silencer applied to the fan according to claim 1, wherein: the upper end face of the outer straight plate (11) is provided with a through hole (14), the bottom of the through hole (14) is connected to the rectangular sliding groove (12), the width of the through hole (14) is equal to that of the locking block (13), and the front end face of the locking block (13) is an arc face.

4. The silencer applied to the fan according to claim 3, wherein: the vertical plate (15) is respectively located at two sides of the through hole (14), the middle positions of the end faces of two sides of the lifting plate (16) are respectively provided with an extending bump (17), the middle position of the end face of the lower end face of the vertical plate (15) is provided with a limiting sliding groove (18), the width of the limiting sliding groove (18) is equal to that of the extending bump (17), and the distance from the lower end face of the extending bump (17) to the bottom of the lifting plate (16) is equal to the depth of the through hole (14).

5. The silencer applied to the fan according to claim 1, wherein: the rectangular straight plate is characterized in that an outer groove (20) is formed in the end face of the outer side of the rectangular straight plate (9) and corresponds to the locking block (13), an inner straight groove (21) is formed in the bottom of the outer groove (20), a liftable outer partition plate (22) is arranged at the top of the inner straight groove (21), and the bottom of the locking block (13) is connected to the middle of the upper end face of the outer partition plate (22).

6. The silencer applied to the fan according to claim 5, wherein: an inner partition plate (24) is arranged at the bottom of the inner straight groove (21) through bonding, the size of the inner partition plate (24) is equal to that of the outer partition plate (22), a spring (23) is arranged on the upper end face of the inner partition plate (24), and the top of the spring (23) is connected to the middle position of the lower end face of the outer partition plate (22).