CN212985590U

CN212985590U - Wing type ultra-low noise conveying fan blade

Info

Publication number: CN212985590U
Application number: CN202021913914.4U
Authority: CN
Inventors: 严春雷; 李胜
Original assignee: Shanghai Grade Fe Blower Equipment Co ltd
Current assignee: Shanghai Grade Fe Blower Equipment Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-04-16
Anticipated expiration: 2030-09-04

Abstract

The utility model belongs to the technical field of fans, specifically discloses a wing type ultra-low noise conveying fan blade, including the circle shell that both ends communicate, the bottom fixedly connected with L type backup pad of circle shell, the internal surface fixedly connected with loading board of circle shell, the top of loading board is through support fixed mounting motor, the output of motor passes through shaft coupling fixedly connected with axis of rotation, the one end external fixation of axis of rotation has cup jointed the installation piece, the outside array of installation piece is provided with the blade; a plurality of sound absorption holes are formed in the two sides of each blade, and sound absorption cotton is arranged in the sound absorption holes; the utility model discloses can reduce the noise that the blade produced when rotating, and blade easy dismounting, and then the convenience is cleared up, is changed the blade.

Description

Wing type ultra-low noise conveying fan blade

Technical Field

The utility model relates to a fan technical field specifically is a fan type ultralow noise conveying fan blade.

Background

The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The blower is a Chinese habit abbreviation for gas compression and gas conveying machinery, and the blower generally comprises a ventilator, a blower and a wind driven generator. Fans are widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and for ventilation and draught of boilers and industrial furnaces and kilns; 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.

The blade of current fan can appear very big noise when using, and is difficult for clearing up the dust that has covered the blade after long-time the use.

Disclosure of Invention

An object of the utility model is to provide a fan blade is carried to wing section ultralow noise to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a wing type ultra-low noise conveying fan blade comprises a ring-shaped shell with two communicated ends, wherein the bottom of the ring-shaped shell is fixedly connected with an L-shaped supporting plate, the inner surface of the ring-shaped shell is fixedly connected with a bearing plate, the top of the bearing plate is fixedly provided with a motor through a support, the output end of the motor is fixedly connected with a rotating shaft through a coupler, one end of the rotating shaft is fixedly sleeved with an installation block, and blades are arranged on the outer side of the installation block in an array manner; the both sides of blade all are equipped with a plurality of sound holes of inhaling, inhale the sound hole and be equipped with and inhale the sound cotton.

Preferably, a damping layer made of rubber material is arranged between the bracket and the bearing plate.

Preferably, the mounting block is provided with mounting grooves in an array manner, clamping plates are arranged in the mounting grooves, and clamping grooves are formed in the clamping plates; the one end rigid coupling that blade and installation piece are connected has the fixture block, and the one end rigid coupling that the blade was kept away from to the fixture block has the lug, and the fixture block corresponds the setting and looks adaptation with the mounting groove, and the lug corresponds the setting and looks adaptation with the draw-in groove.

Preferably, the cross section of the bump is of a trapezoidal structure, and the length of one end of the bump facing the inside of the mounting groove is smaller.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses during the use, drive the axis of rotation through the motor and rotate, the axis of rotation drives the blade through the installation piece and rotates, can reduce the produced noise of motor self operation through being equipped with the buffer layer, inhales the sound hole and inhale the sound cotton through being equipped with, can absorb the noise that the blade produced when rotating, and then can reduce the noise pollution that produces when equipment moves.

2. The utility model discloses in when installing the blade, make the blade tentatively be connected with the installation piece through the gomphosis of fixture block and mounting groove, be connected through the gomphosis of lug with the draw-in groove, can fix the blade once more, easy operation is convenient for dismantle clearance or change the blade.

Drawings

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

FIG. 2 is a schematic view of the rear side of the present invention;

FIG. 3 is a schematic view of the connection structure of the blade and the mounting block of the present invention;

FIG. 4 is an enlarged view of the structure at A of FIG. 3;

fig. 5 is a schematic structural view of the blade of the present invention.

In the figure: 1. a ring-shaped shell; 2. an L-shaped support plate; 3. a carrier plate; 4. a support; 5. a motor; 6. a rotating shaft; 7. mounting blocks; 8. a blade; 9. a sound absorption hole; 10. sound-absorbing cotton; 11. a shock-absorbing layer; 12. mounting grooves; 13. clamping a plate; 14. a card slot; 15. a clamping block; 16. and (4) a bump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution: an airfoil type ultra-low noise conveying fan blade comprises a ring-shaped shell 1 with two communicated ends, wherein the bottom of the ring-shaped shell 1 is fixedly connected with an L-shaped supporting plate 2, the inner surface of the ring-shaped shell 1 is fixedly connected with a bearing plate 3, the top of the bearing plate 3 is fixedly provided with a motor 5 through a support 4, the output end of the motor 5 is fixedly connected with a rotating shaft 6 through a coupler, one end of the rotating shaft 6 is fixedly sleeved with a mounting block 7, and blades 8 are arranged on the outer side of the mounting block 7 in an array manner; the both sides of blade 8 all are equipped with a plurality of sound holes 9 of inhaling, and sound holes 9 are equipped with and inhale sound cotton 10.

Further, a shock absorbing layer 11 made of rubber material is arranged between the bracket 4 and the bearing plate 3.

Further, mounting grooves 12 are formed in the mounting block 7 in an array manner, clamping plates 13 are arranged in the mounting grooves 12, and clamping grooves 14 are formed in the clamping plates 13; one end of the blade 8 connected with the mounting block 7 is fixedly connected with a clamping block 15, one end of the clamping block 15 far away from the blade 8 is fixedly connected with a convex block 16, the clamping block 15 is correspondingly arranged and matched with the mounting groove 12, and the convex block 16 is correspondingly arranged and matched with the clamping groove 14.

Further, the cross section of the projection 16 is a trapezoid structure, and the length of one end of the projection 16 facing the inside of the mounting groove 12 is smaller.

The working principle is as follows: when the device is used, the rotating shaft 6 is driven to rotate by the motor 5, the blade 8 is driven to rotate by the rotating shaft 6 through the mounting block 7, the damping layer 11 is arranged between the support 4 and the bearing plate 3, noise generated by the self operation of the motor 5 can be reduced, the sound absorption holes 9 are formed in the blade 8, and the sound absorption cotton 10 is arranged in the sound absorption holes 9, so that the noise generated when the blade 8 rotates can be absorbed, and further, the noise pollution generated when the device operates can be reduced; when installing blade 8, in embedding fixture block 15 mounting groove 12, make blade 8 tentatively be connected with installation piece 7, when continuing to be dark, lug 16 is connected with draw-in groove 14 gomphosis, can fix blade 8 once more, and easy operation is convenient for dismantle clearance or change blade 8, avoids one of them blade 8 to damage and need change whole equipment.

It is worth noting that: the whole device realizes control over the device through the master control button, and the device matched with the control button is common equipment, belongs to the existing mature technology, and is not repeated for the electrical connection relation and the specific circuit structure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The wing type ultra-low noise conveying fan blade is characterized by comprising a ring-shaped shell (1) with two communicated ends, wherein the bottom of the ring-shaped shell (1) is fixedly connected with an L-shaped supporting plate (2), the inner surface of the ring-shaped shell (1) is fixedly connected with a bearing plate (3), the top of the bearing plate (3) is fixedly provided with a motor (5) through a support (4), the output end of the motor (5) is fixedly connected with a rotating shaft (6) through a coupler, one end of the rotating shaft (6) is fixedly sleeved with a mounting block (7), and blades (8) are arranged on the outer side of the mounting block (7) in an array manner; the two sides of the blade (8) are provided with a plurality of sound absorption holes (9), and the sound absorption holes (9) are provided with sound absorption cotton (10).

2. The airfoil ultra-low noise transport fan blade of claim 1, further comprising: and a damping layer (11) made of rubber materials is arranged between the support (4) and the bearing plate (3).

3. The airfoil ultra-low noise transport fan blade of claim 1, further comprising: mounting grooves (12) are formed in the mounting block (7) in an array mode, clamping plates (13) are arranged in the mounting grooves (12), and clamping grooves (14) are formed in the clamping plates (13); one end rigid coupling that blade (8) and installation piece (7) are connected has fixture block (15), and the one end rigid coupling that blade (8) were kept away from in fixture block (15) has lug (16), and fixture block (15) correspond with mounting groove (12) and set up and looks adaptation, and lug (16) correspond with draw-in groove (14) and set up and looks adaptation.

4. The airfoil ultra-low noise transport fan blade of claim 3, further comprising: the cross section of the convex block (16) is of a trapezoidal structure, and the length of one end, facing the inside of the mounting groove (12), of the convex block (16) is smaller.