CN218207239U

CN218207239U - Fan silencer for crop drying

Info

Publication number: CN218207239U
Application number: CN202221562156.5U
Authority: CN
Inventors: 王光成
Original assignee: Yangzhou Yongfa Machinery Manufacturing Co ltd
Current assignee: Yangzhou Yongfa Machinery Manufacturing Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2023-01-03
Anticipated expiration: 2032-06-21

Abstract

The utility model relates to a crops stoving technical field discloses a fan muffler for crops are dried, screen cloth in urceolus and urceolus, be equipped with the inner tube in the urceolus, the inner tube is loudspeaker column structure, be equipped with sound-deadening structure in the inner tube, a section of thick bamboo is inboard including sound-deadening structure laminating, sound-deadening structure inboard is equipped with the screen cloth, the screen cloth covers sound-deadening structure is on the surface, the utility model discloses a loudspeaker column screen cloth that sets up blocks the contact of grass saw-dust and sound-deadening structure in the agricultural environment, avoids sound-deadening structure's hole to be plugged up and influences amortization efficiency, and the screen cloth can utilize the vibrations of fan to shake in the inner tube simultaneously, promotes the screen cloth and dispels the ability of saw-dust.

Description

Fan silencer for crop drying

Technical Field

The utility model relates to a crops stoving technical field, concretely relates to a fan muffler for crops are dried.

Background

In the agricultural production life process, often need dry crops, the drying process in addition to heating device still can use the fan to make the hot gas flow move, and the noise of fan is very big, and in long-time drying process, can be very big disturb other people's work and life, so can increase the noise that the fan muffler reduced the fan and produced.

The noise is usually eliminated through amortization cotton or porous structure to current fan muffler, and in the environment that crops were dried, has a large amount of impurity such as grass bits, saw-dust, along with during wind-force gets into the muffler, can cover on amortization cotton or porous structure, plugs up amortization cotton or porous structure's hole, influences their noise cancelling effect, in view of this, the utility model provides a fan muffler for crops are dried.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems: the existing fan silencer usually eliminates noise through silencing cotton or a porous structure, and in the environment of crop drying, a large amount of impurities such as grass scraps, wood chips, dust and the like exist, and enter the silencer along with wind power, so that the impurities can cover the silencing cotton or the porous structure, and holes of the silencing cotton or the porous structure are blocked, and the silencing effect of the silencing cotton or the porous structure is influenced.

The utility model provides a fan muffler for crops are dried, screen cloth in urceolus and urceolus, be equipped with the inner tube in the urceolus, the inner tube is loudspeaker column structure, be equipped with the amortization structure in the inner tube, a section of thick bamboo is inboard including the amortization structure laminating, the amortization structure inboard is equipped with the screen cloth, the screen cloth covers the amortization structure is on the surface.

Through the technical scheme: prevent the contact of the grass saw-dust in the agricultural environment and amortization structure, avoid the hole of amortization structure to be blockked up and influence amortization efficiency.

As a further improvement of the technical scheme, a separation cavity is arranged between the screen and the inner cylinder, and a plurality of elastic pieces are arranged in the separation cavity.

As a further improvement of the technical scheme, the two ends of the screen are provided with first fixing plates, the outer sides of the first fixing plates are provided with second fixing plates, a plurality of elastic pieces are arranged between the first fixing plates and the second fixing plates, and the second fixing plates are inserted into the inner cylinder.

As a further improvement of the technical scheme, a second bolt is connected to the inner cylinder in a threaded mode and penetrates through the inner cylinder to be in contact with a second fixing plate.

As a further improvement of the technical scheme, the two ends of the inner barrel are provided with annular plates, the annular plates are inserted into the outer barrel, the side face of the outer barrel is provided with a plurality of limiting blocks, the outer side of the outer barrel is in threaded connection with a first bolt, and the first bolt penetrates through the outer barrel to be in contact with the annular plates.

As a further improvement of the technical scheme, a pair of inner cylinders are symmetrically arranged in the outer cylinder, and the structures on the inner sides of the inner cylinders are symmetrically arranged in the outer cylinder.

As a further improvement of the technical scheme, connecting rings are arranged on two sides of the outer cylinder.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a horn form screen cloth that sets up blocks the contact of grass saw-dust and sound-deadening structure among the agricultural environment, avoids sound-deadening structure's hole to be plugged up and influences amortization efficiency.

2. The utility model discloses a first fixed plate, second fixed plate and the elastic component that set up for the screen cloth can utilize the vibrations of fan to shake in the inner tube, promotes the screen cloth to dispel the ability of saw-dust.

Drawings

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

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the inner cylinder and the screen structure of the present invention;

fig. 4 is a partially enlarged view of the structure at a in fig. 3.

Description of the reference numerals:

10. an outer cylinder; 11. a flange ring; 12. a first bolt; 13. a limiting block;

20. an inner barrel; 21. an annular plate; 22. a sound deadening structure; 23. a second bolt;

30. screening a screen; 31. a first fixing plate; 32. a second fixing plate; 33. an elastic member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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.

Examples

Referring to fig. 1-3, the present embodiment provides a fan silencer for crop drying, including an outer cylinder 10 and a screen 30 in the outer cylinder 10, where the screen 30 is, for example, a silencing cotton, a porous silencing wedge, etc., an inner cylinder 20 is disposed in the outer cylinder 10, the inner cylinder 20 is a horn-shaped structure, a silencing structure 22 is disposed in the inner cylinder 20, the silencing structure 22 is attached to the inner side of the inner cylinder 20, the silencing structure 22 is horn-shaped, for the silencing structure 22, the horn-shaped structure can increase the noise absorption efficiency of the silencing structure 22, the screen 30 is disposed on the inner side of the silencing structure 22, the screen 30 covers the surface of the silencing structure 22, and the horn-shaped arrangement of the screen 30 prevents the impurities falling from accumulating on the upper side, falling down along the inclined plane, avoiding the influence on the silencing efficiency, and meanwhile, the impurities are accumulated on the bottom, which is convenient for cleaning.

In addition, referring to fig. 4, in order to improve the efficiency of sliding the impurities off the screen 30, a separation chamber is provided between the screen 30 and the inner drum 20, a plurality of elastic members 33 are provided in the separation chamber, for example, the elastic members 33 are springs, the screen 30 is suspended in the inner drum 20 by the support of the elastic members 33, and then when the fan is started, the vibration of the fan is transmitted to the inner drum 20, so that the screen 30 vibrates in the inner drum 20 under the support of the elastic members 33, and the impurities on the surface of the screen 30 are shaken off.

Further, referring to fig. 4, in order to facilitate disassembling the screen 30 for maintenance and cleaning, the first fixing plates 31 are disposed at two ends of the screen 30, the second fixing plates 32 are disposed at outer sides of the first fixing plates 31, a plurality of elastic members 33 are disposed between the first fixing plates 31 and the second fixing plates 32, the second fixing plates 32 are inserted into the inner barrel 20, and the screen 30 is movably connected through insertion fitting, so that the screen 30 is conveniently disassembled.

Further, referring to fig. 2, in order to position the movably connected screen 30, a second bolt 23 is screwed to the inner cylinder 20, the second bolt 23 passes through the inner cylinder 20 to contact with the second fixing plate 32, and tightening the second bolt 23 can increase friction between the second bolt 23 and the second fixing plate 32, thereby limiting the movement of the second fixing plate 32 and the screen 30.

In addition, referring to fig. 2, in order to facilitate the screwing of the second bolt 23, two ends of the inner cylinder 20 are provided with annular plates 21, the annular plates 21 are inserted into the outer cylinder 10, the side surface of the outer cylinder 10 is provided with a plurality of limit blocks 13, the outer side of the outer cylinder 10 is in threaded connection with the first bolt 12, the first bolt 12 penetrates through the outer cylinder 10 to contact with the annular plates 21, the annular plates 21 are inserted and matched to achieve movable connection of the inner cylinder 20, the limit blocks 13 are arranged on one side of the outer cylinder 10, the annular plates 21 can enter from the other side until being blocked by the limit blocks 13, the annular plates 21 are prevented from continuing to move and falling off from the outer cylinder 10, and then the annular plates 21 can be further fixed by screwing the first bolts 12.

Further, referring to fig. 2, in order to facilitate the use of the whole device, a pair of inner cylinders 20 are symmetrically arranged in the outer cylinder 10, the inner sides of the inner cylinders 20 are symmetrically arranged in the outer cylinder 10, and the symmetrical arrangement increases the area of the air outlet, which helps to improve the drying efficiency.

Further, referring to fig. 2, the connection rings 11 are arranged on two sides of the outer cylinder 10, the bolt group penetrates through the connection rings 11, the outer cylinder 10 is connected to the fan through bolts, and therefore the outer cylinder is stable and convenient to detach, further, the connection rings 11 are arranged on two sides of the outer cylinder 10 based on the symmetrical arrangement of the inner cylinder 20, the positions of the air outlet and the air inlet can be selected at will, and the mounting is convenient.

The utility model provides a fan muffler for crops are dried, when using, at first pass through bolted connection with the fan at urceolus 10 one end, after starting the fan, the noise that the fan produced earlier is eliminated the part behind the amortization structure 22 in urceolus 10, simultaneously the fan will be in the impurity in the environment blows in inner tube 20, then under the blockking of screen cloth 30, these impurity all are kept apart and can't contact with amortization structure 22, furthermore, produce vibrations along with the fan operation, this part vibrations are shared to urceolus 10 of connection on the fan, and transmit screen cloth 30 for, screen cloth 30 shakes in inner tube 20 through the elastic component 33 that the outside set up, thereby guarantee that the impurity of screen cloth 30 internal surface can not long-pending.

It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art and related fields without creative efforts shall fall within the protection scope of the present invention. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.

Claims

1. The utility model provides a fan muffler for crops are dried, includes screen cloth (30) in urceolus (10) and urceolus (10), its characterized in that: be equipped with inner tube (20) in urceolus (10), inner tube (20) are loudspeaker column structure, be equipped with sound-deadening structure (22) in inner tube (20), sound-deadening structure (22) laminating is inboard in inner tube (20), sound-deadening structure (22) inboard is equipped with screen cloth (30), screen cloth (30) cover sound-deadening structure (22) are on the surface.

2. A fan silencer for crop drying according to claim 1, characterized in that: a separation cavity is arranged between the screen mesh (30) and the inner cylinder (20), and a plurality of elastic parts (33) are arranged in the separation cavity.

3. A fan silencer for crop drying according to claim 1, characterized in that: the screen cloth (30) both ends are equipped with first fixed plate (31), first fixed plate (31) outside is equipped with second fixed plate (32), be equipped with a plurality of elastic component (33) between first fixed plate (31) and second fixed plate (32), second fixed plate (32) are pegged graft in inner tube (20).

4. A fan silencer for crop drying according to claim 3, characterized in that: and a second bolt (23) is connected to the inner cylinder (20) in a threaded manner, and the second bolt (23) penetrates through the inner cylinder (20) to be in contact with a second fixing plate (32).

5. A fan silencer for crop drying according to claim 4, characterized in that: the novel bearing is characterized in that annular plates (21) are arranged at two ends of the inner barrel (20), the annular plates (21) are inserted into the outer barrel (10), a plurality of limiting blocks (13) are arranged on the side face of the outer barrel (10), first bolts (12) are connected to the outer side of the outer barrel (10) in a threaded mode, and the first bolts (12) penetrate through the outer barrel (10) to be in contact with the annular plates (21).

6. A fan silencer for crop drying according to claim 1, characterized in that: a pair of inner cylinders (20) are symmetrically arranged in the outer cylinder (10), and the structures on the inner sides of the inner cylinders (20) are symmetrically arranged in the outer cylinder (10).

7. The blower silencer for crop drying of claim 6, further comprising: and connecting rings (11) are arranged on two sides of the outer cylinder (10).