Angle-adjustable dust removal fan impeller

Abstract

The utility model discloses an angle-adjustable dust removal fan impeller which comprises a blade installation back disc, blades and a blade installation front disc, the blades are clamped between the blade installation back disc and the blade installation front disc, each blade is composed of a blade body and a gear connected to one end of the blade body, and the gear is connected to the other end of the blade body. The blades are rotationally connected with the blade mounting back disc and the blade mounting front disc, a blade adjusting disc is rotationally mounted on the inner side of the blade mounting front disc, and a gear ring meshed with the gear is arranged on the outer side edge of the blade adjusting disc. The blades are rotationally connected with the blade mounting back disc and the blade mounting front disc, the gears are fixed to the ends of the blades, the blade adjusting disc is rotationally mounted on the blade mounting front disc, and the gear ring is arranged on the outer side edge of the blade adjusting disc, so that all the blades meshed with the blade adjusting disc can be driven to rotate by rotating the blade adjusting disc; therefore, angle adjustment of the blades is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fan impellers, in particular to an angle-adjustable dust removal fan impeller. Background Art

[0002] A fan is a mechanical device that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven three-dimensional machine. Dust removal fans are usually used for dust removal and ventilation in various factories, workshops and other construction sites.

[0003] The blades of the impeller of the existing dust removal fan are usually fixed, and the angle of the blades cannot be adjusted according to the usage conditions. Therefore, the wind speed can only be controlled by adjusting the rotation speed of the fan. Utility Model Content

[0004] The purpose of the utility model is to provide a dust removal fan impeller with adjustable angle to solve the problem that the blades of the impeller of the dust removal fan in the prior art are usually fixed, the angle of the blades cannot be adjusted according to the usage conditions, and therefore the wind speed can only be controlled by adjusting the rotation speed of the fan.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an angle-adjustable dust removal fan impeller, comprising a blade mounting back disk, blades and a blade mounting front disk, the blades being clamped between the blade mounting back disk and the blade mounting front disk, the blades being composed of a blade body and a gear connected to one end of the blade body, and the blades are rotatably connected to the blade mounting back disk and the blade mounting front disk, a blade adjustment disk is rotatably mounted on the inner side of the blade mounting front disk, a gear ring meshing with the gear is arranged on the outer side edge of the blade adjustment disk, a clamping mechanism is installed on the surface of the blade mounting back disk facing the blade mounting front disk, and the clamping mechanism clamps the blade adjustment disk to the side where the blade mounting back disk is located.

[0006] Preferably, the clamping mechanism is composed of a tensioning screw and a clamping plate, the tensioning screw is perpendicular to the blade mounting back disk, and the tensioning screw is located on the inner side of the blade adjustment disk, a through hole that cooperates with the tensioning screw is opened on one side of the clamping plate, and the clamping plate is installed on the tensioning screw through a nut.

[0007] Preferably, a positioning shaft is vertically fixed on the other side of the clamping plate, a limiting plate is installed on the end of the positioning shaft, and a positioning hole matching with the positioning shaft is opened on the blade mounting front disk.

[0008] Preferably, anti-skid knurling is provided on a surface of the clamping plate facing the blade adjustment disk.

[0009] Preferably, anti-slip knurling is provided on a surface of the blade adjustment disk facing the clamping plate.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the blades of the utility model are rotatably connected to the blade mounting back plate and the blade mounting front plate, and a gear is fixed to the end of the blade, and a blade adjustment plate is rotatably mounted on the blade mounting front plate, and a gear ring is arranged on the outer side of the blade adjustment plate, so rotating the blade adjustment plate can drive all blades meshing with the blade adjustment plate to rotate, thereby realizing the angle adjustment of the blade;

[0011] The clamping mechanism provided in the utility model can gather the blade mounting back plate, the blades and the blade mounting front plate together to ensure the overall stability and firmness. At the same time, the clamping mechanism can also fix the blade adjustment plate. After fixation, the blade adjustment plate will not rotate easily. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a structural schematic diagram of a blade of the utility model;

[0015] Figure 3 It is a schematic diagram of the connection structure between the blade mounting front disk and the blade adjusting disk of the utility model;

[0016] Figure 4 It is a schematic diagram of the function of the clamping mechanism, the blade mounting front disk and the blade adjusting disk of the utility model;

[0017] Figure 5 It is a structural schematic diagram of the clamping plate of the utility model.

[0018] In the figure: 1. blade mounting back plate; 2. blade; 3. blade mounting front plate; 4. blade adjustment plate; 5. clamping mechanism; 6. blade body; 7. gear; 8. tensioning screw; 9. clamping plate; 10. anti-slip knurling; 11. positioning shaft; 12. limit plate; 13. through hole. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0020] See also Figure 1-3 In the embodiment of the utility model, an angle-adjustable dust removal fan impeller includes a blade mounting back disk 1, a blade 2 and a blade mounting front disk 3, the blade 2 is clamped between the blade mounting back disk 1 and the blade mounting front disk 3, the blade 2 is composed of a blade body 6 and a gear 7 connected to one end of the blade body 6, and the blade 2 is rotatably connected to the blade mounting back disk 1 and the blade mounting front disk 3, a blade adjusting disk 4 is rotatably mounted on the inner side of the blade mounting front disk 3, a gear ring meshing with the gear 7 is arranged on the outer side edge of the blade adjusting disk 4, a clamping mechanism 5 is installed on the surface of the blade mounting back disk 1 facing the blade mounting front disk 3, and the clamping mechanism 5 clamps the blade adjusting disk 4 to the side where the blade mounting back disk 1 is located.

[0021] like Figure 1 , 4 5; The clamping mechanism 5 is composed of a tensioning screw 8 and a clamping plate 9. The tensioning screw 8 is perpendicular to the blade mounting back plate 1 and is located inside the blade adjusting plate 4. A through hole 13 cooperating with the tensioning screw 8 is provided on one side of the clamping plate 9, and the clamping plate 9 is mounted on the tensioning screw 8 through a nut. A positioning shaft 11 is vertically fixed on the other side of the clamping plate 9, and a limiting plate 12 is installed at the end of the positioning shaft 11. A positioning hole cooperating with the positioning shaft 11 is provided on the blade mounting front plate 3. The positioning shaft 11 and the positioning hole on the blade mounting front plate 3 cooperating with the positioning shaft 11 can ensure that the clamping plate 9 straddles the blade adjusting plate 4. An anti-skid knurling 10 is provided on the surface of the clamping plate 9 on one side facing the blade adjusting plate 4, and an anti-skid knurling 10 is provided on the surface of the blade adjusting plate 4 on one side facing the clamping plate 9. The anti-skid knurling 10 is provided on the surface of the blade adjusting plate 4 on one side facing the clamping plate 9. The provision of the anti-skid knurling 10 is conducive to increasing the friction between the clamping plate 9 and the blade adjusting plate 4.

[0022] The working principle of the utility model is as follows: the blade 2 of the utility model is rotatably connected with the blade mounting back plate 1 and the blade mounting front plate 3, and a gear 7 is fixed to the end of the blade 2, and at the same time, a blade adjustment plate 4 is rotatably mounted on the blade mounting front plate 3, and a gear ring is arranged on the outer side of the blade adjustment plate 4, so rotating the blade adjustment plate 4 can drive all the blades 2 meshing with the blade adjustment plate 4 to rotate, thereby realizing the angle adjustment of the blade 2;

[0023] The clamping mechanism 5 provided in the utility model can gather the blade mounting back plate 1, the blade 2 and the blade mounting front plate 3 together to ensure the overall stability and firmness. At the same time, the clamping mechanism 5 will also fix the blade adjustment plate 4. After fixation, the blade adjustment plate 4 will not rotate easily.

[0024] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An angle-adjustable dust removal fan impeller, comprising a blade mounting back plate (1), blades (2) and a blade mounting front plate (3), wherein the blades (2) are sandwiched between the blade mounting back plate (1) and the blade mounting front plate (3), characterized in that: The blade (2) is composed of a blade body (6) and a gear (7) connected to one end of the blade body (6), and the blade (2) is rotatably connected to a blade mounting back disk (1) and a blade mounting front disk (3). A blade adjusting disk (4) is rotatably mounted on the inner side of the blade mounting front disk (3), and a gear ring meshing with the gear (7) is arranged on the outer side of the blade adjusting disk (4). A clamping mechanism (5) is installed on the surface of the blade mounting back disk (1) on one side facing the blade mounting front disk (3), and the clamping mechanism (5) clamps the blade adjusting disk (4) to the side where the blade mounting back disk (1) is located.

2. The angle-adjustable dust removal fan impeller according to claim 1, characterized in that: The clamping mechanism (5) is composed of a tensioning screw (8) and a clamping plate (9); the tensioning screw (8) is perpendicular to the blade mounting back plate (1), and the tensioning screw (8) is located on the inner side of the blade adjusting plate (4); a through hole (13) cooperating with the tensioning screw (8) is provided on one side of the clamping plate (9); and the clamping plate (9) is mounted on the tensioning screw (8) via a nut.

3. The angle-adjustable dust removal fan impeller according to claim 2, characterized in that: A positioning shaft (11) is vertically fixed to the other side of the clamping plate (9), a limiting plate (12) is installed at the end of the positioning shaft (11), and a positioning hole matching the positioning shaft (11) is opened on the blade mounting front disk (3).

4. The angle-adjustable dust removal fan impeller according to claim 2, characterized in that: Anti-skid knurling (10) is provided on a surface of one side of the clamping plate (9) facing the blade adjustment disk (4).

5. The angle-adjustable dust removal fan impeller according to claim 2 or 4, characterized in that: The surface of the blade adjustment disc (4) facing the clamping plate (9) is provided with anti-skid knurling (10).

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