CN115163557A

CN115163557A - Efficient and stable axial flow fan blade

Info

Publication number: CN115163557A
Application number: CN202210993486.8A
Authority: CN
Inventors: 潘可; 车增贤; 卜彦雄
Original assignee: Anhui Langdi Impeller Machinery Co ltd
Current assignee: Anhui Langdi Impeller Machinery Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-10-11

Abstract

The invention relates to the technical field of fan blades, in particular to an efficient and stable axial flow fan blade, which comprises a central shaft, wherein an annular groove is formed in the central shaft, a stand column is fixedly arranged in the middle of the annular groove, a plurality of sets of sleeve frames are rotatably connected to the outer sides of the stand columns, and a plurality of sets of fan blades are arranged on the central shaft through the sleeve frames.

Description

Efficient and stable axial flow fan blade

Technical Field

The invention relates to the technical field of fan blades, in particular to an efficient and stable axial flow fan blade.

Background

The axial flow fan blade has a very wide application in daily life, and the axial flow refers to airflow flowing in the same direction as the axis of the fan blade, such as an electric fan and an air conditioner external unit fan which are fans operating in an axial flow mode. The axial-flow fan with axial-flow fan blades is usually used in the places with higher flow requirement and lower pressure requirement, and is widely used in the field of air conditioners. A common axial-flow fan blade mainly includes a hub and a plurality of blades disposed around the hub.

The current high-efficient stable axial fan blade is not convenient for adjust the fan blade angle as required, and current fan blade is fixed on the center pin mostly, when the fan blade takes place to damage in the use, needs to change whole fan, and is comparatively extravagant.

Disclosure of Invention

In order to solve the problems, the invention provides the efficient and stable axial flow fan blade, the gear ring is limited and fixed with a plurality of groups of fan blades, so that the angle of the fan blade can be conveniently adjusted, the fan blade is convenient to use, when the fan blade is damaged, only the damaged fan blade needs to be replaced, the waste of materials is reduced, the fan blade is simple and convenient to disassemble and assemble, and the replacement of the fan blade is more efficient.

In order to achieve the above object, the present invention adopts the following technical solutions:

the utility model provides a high-efficient stable axial fan blade, includes the center pin, opens annular groove in the center pin, and the fixed stand that is provided with in intermediate position of annular groove, and the outside of stand is rotated and is connected with multiunit cover frame, and the center pin is provided with the multiunit fan blade through the cover frame, the stand be provided with cover frame matched with adjusting part.

Preferably, the outer side of the upright post is rotatably connected with a plurality of groups of connecting rods, the connecting rods are fixedly connected with the sleeve frame, and the upright post is rotatably connected with the sleeve frame through the connecting rods.

Preferably, the adjusting component comprises a gear, a gear ring, a threaded rod and a circular groove;

the top of the ring groove is in threaded connection with a threaded rod, the outer side of the stand column is connected with a gear ring in a rotating mode, a plurality of groups of circular grooves matched with the threaded rod are formed in the outer side of the gear ring, gears are fixedly arranged on the outer side of the connecting rod, and the plurality of groups of gears are all meshed with the gear ring.

Preferably, the stand is provided with a limiting groove, one side of the gear ring is fixedly provided with a limiting ring matched with the limiting groove, and the gear ring is rotatably connected with the stand through the limiting ring.

Preferably, the top of the annular groove is fixedly provided with a fixed block, and the central shaft is connected with a threaded rod through a thread of the fixed block.

Preferably, the fan blade is further provided with a connecting assembly, and the connecting assembly comprises a fixed rod, a slope block and a spring;

the fan blade fixedly connected with dead lever, and the fan blade passes through the dead lever and pegs graft with the cover frame, and the inside sliding connection of dead lever has two sets of bevel blocks, and fixedly is provided with the spring between two sets of bevel blocks.

Preferably, a through groove matched with the inclined plane block is formed in the fixing rod.

Preferably, the sleeve frame is provided with a long groove matched with the fixed rod, and the sleeve frame is internally provided with an inclined plane groove matched with the inclined plane block.

Due to the adoption of the technical scheme, the invention has the beneficial effects that: when the fan blades are required to be adjusted in angle, the threaded rods are rotated to enable the threaded rods to be far away from the circular grooves, then one group of fan blades are rotated, one group of fan blades drive one group of gears to rotate, the gears are meshed with the gear rings to enable the gear rings to rotate, and further enable the multiple groups of fan blades to rotate synchronously to adjust the angle;

when one group of fan blades are damaged, the fixed rod is pushed to the tail end of the long groove, the inclined plane block is contracted into the through groove when the fixed rod moves, the fixed rod is rotated after the inclined plane block is separated from the inclined plane groove, the inclined plane block is far away from the position corresponding to the inclined plane groove, the fan blades are pulled outwards, the fixed rod is separated from the sleeve frame, the fan blades are disassembled, the inclined plane blocks on two sides of the fresh air fan blades correspond to the direction of the inclined plane groove, the fixed rod is inserted into the sleeve frame, and when the inclined plane block moves to the position corresponding to the inclined plane groove, the spring pushes the two groups of inclined plane blocks to be clamped into the inclined plane groove, so that when the fan blades are damaged, only the damaged fan blades need to be replaced, waste of materials is reduced, the fan blades are convenient to disassemble and assemble, and the replacement of the fan blades is more efficient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only for the present invention and protect some embodiments, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a cross-sectional view of a mandrel of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 in accordance with the present invention;

fig. 5 is a front view of the ring gear of the present invention.

In the figure: 1. a central shaft; 2. an annular groove; 3. a column; 4. a connecting rod; 5. sleeving a frame; 6. a fan blade; 7. a gear; 8. a ring gear; 9. a threaded rod; 10. a circular groove; 11. a limiting ring; 12. a limiting groove; 13. fixing the rod; 14. a through groove; 15. a bevel block; 16. a spring; 17. an inclined plane groove; 18. a long groove; 19. and (5) fixing blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, shall fall within the scope of protection of the present invention.

Example 1

The utility model provides a high-efficient stable axial fan blade, includes center pin 1, opens annular groove 2 in the center pin 1, and the fixed stand 3 that is provided with in intermediate position of annular groove 2, and the outside of stand 3 is rotated and is connected with multiunit cover frame 5, and center pin 1 is provided with multiunit fan blade 6 through cover frame 5, stand 3 be provided with cover frame 5 matched with adjusting part.

The stand 3 outside is rotated and is connected with multiunit connecting

rod

4, and 4 fixedly connected with cover framves 5 of connecting rod, and stand 3 rotates through connecting rod 4 and is connected with cover frame 5.

The adjusting component comprises a gear 7, a gear ring 8, a threaded rod 9 and a circular groove 10;

the top of the annular groove 2 is in threaded connection with a threaded rod 9, the outer side of the upright post 3 is rotatably connected with a gear ring 8, the outer side of the gear ring 8 is provided with a plurality of groups of circular grooves 10 matched with the threaded rod 9, the outer side of the connecting rod 4 is fixedly provided with gears 7, and the plurality of groups of gears 7 are all meshed with the gear ring 8.

The stand 3 is opened there is spacing groove 12, and gear ring 8 one side is fixed to be provided with spacing groove 12 matched with spacing ring 11, and gear ring 8 rotates with stand 3 through spacing ring 11 and is connected.

The top of the annular groove 2 is fixedly provided with a fixed block 19, and the central shaft 1 is connected with a threaded rod 9 through the fixed block 19 in a threaded manner.

The use method of the invention comprises the following steps: when 6 angles of fan blades need to be adjusted, the threaded rod 9 is rotated, the threaded rod 9 is far away from the circular groove 10, one set of fan blades 6 are rotated, the set of fan blades 6 rotate to drive the set of gear 7 to rotate, the gear 7 is meshed with the gear ring 8, the gear ring 8 is rotated, the multiple sets of fan blades 6 are further synchronously rotated to adjust the angles, when the fan blades 6 are adjusted to the required angles, the threaded rod 9 is rotated to be inserted into the circular groove 10, the positions of the multiple sets of fan blades 6 are fixed in a limiting mode through the gear ring 8, the angles of the fan blades 6 can be adjusted conveniently and fast, and the fan blades are convenient to use.

Example 2

The stand 3 outside is rotated and is connected with multiunit connecting rod 4, and connecting rod 4 fixedly connected with set frame 5, and stand 3 rotates through connecting rod 4 and is connected with set frame 5.

The stand 3 is opened there is spacing groove 12, and gear ring 8 one side is fixed be provided with spacing groove 12 matched with spacing ring 11, and gear ring 8 rotates with stand 3 through spacing ring 11 and is connected.

The fan blade 6 is also provided with a connecting assembly, and the connecting assembly comprises a fixed rod 13, an inclined plane block 15 and a spring 16;

the fan blade 6 is fixedly connected with a fixing rod 13, the fan blade 6 is connected with the sleeve frame 5 in an inserting mode through the fixing rod 13, two groups of inclined surface blocks 15 are connected inside the fixing rod 13 in a sliding mode, and a spring 16 is fixedly arranged between the two groups of inclined surface blocks 15.

The fixing rod 13 is internally provided with a through groove 14 matched with the inclined plane block 15.

The sleeve frame 5 is provided with a long groove 18 matched with the fixed rod 13, and the sleeve frame 5 is internally provided with an inclined plane groove 17 matched with the inclined plane block 15.

The using method of the invention also comprises the following steps: when a group of fan blades 6 are damaged, the fixing rod 13 is pushed to the tail end of the long groove 18, the inclined plane block 15 is contracted into the through groove 14 when the fixing rod 13 moves, after the inclined plane block 15 is separated from the inclined plane groove 17, the fixing rod 13 is rotated by 90 degrees, the inclined plane block 15 is far away from the position corresponding to the inclined plane groove 17, the fan blades 6 are pulled outwards, the fixing rod 13 is separated from the sleeve frame 5, the fan blades 6 are disassembled, the inclined plane blocks 15 on two sides of a new fan blade 6 correspond to the direction of the inclined plane groove 17, the fixing rod 13 is inserted into the sleeve frame 5, when the inclined plane block 15 moves to the position corresponding to the inclined plane groove 17, the spring 16 pushes the two groups of inclined plane blocks 15 to be clamped into the inclined plane groove 17, after the fan blades 6 are assembled, the tail end of the fixing rod 13 is at a certain distance from the tail end of the long groove 18, the fan blades 6 are convenient to disassemble, only the damaged fan blades 6 need to be replaced when the fan blades 6 are damaged, waste of materials is reduced, the fan blades 6 are convenient to replace, and the fan blades 6, and the replacement of the fan blades 6 is more efficient.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a high-efficient stable axial fan blade, includes center pin (1), its characterized in that: the novel fan blade is characterized in that an annular groove (2) is formed in the central shaft (1), a stand column (3) is fixedly arranged at the middle position of the annular groove (2), a plurality of groups of sleeve frames (5) are rotatably connected to the outer side of the stand column (3), a plurality of groups of fan blades (6) are arranged on the central shaft (1) through the sleeve frames (5), and the stand column (3) is provided with an adjusting assembly matched with the sleeve frames (5).

2. The efficient and stable axial-flow fan blade according to claim 1, characterized in that: the outer side of the upright post (3) is rotatably connected with a plurality of groups of connecting rods (4), the connecting rods (4) are fixedly connected with sleeve frames (5), and the upright post (3) is rotatably connected with the sleeve frames (5) through the connecting rods (4).

3. The efficient and stable axial-flow fan blade according to claim 2, characterized in that: the adjusting component comprises a gear (7), a gear ring (8), a threaded rod (9) and a circular groove (10);

the utility model discloses a hydraulic pressure ring gear, including ring channel (2), stand (3), ring channel (2) top threaded connection have threaded rod (9), the outside of stand (3) is rotated and is connected with ring gear (8), and opens the outside of ring gear (8) has multiunit and threaded rod (9) matched with circular slot (10), the outside of connecting rod (4) is fixed and is provided with gear (7), and multiunit gear (7) all mesh mutually with ring gear (8).

4. A highly efficient and stable axial flow fan blade according to claim 3, characterized in that: the upright post (3) is provided with a limiting groove (12), one side of the gear ring (8) is fixedly provided with a limiting ring (11) matched with the limiting groove (12), and the gear ring (8) is rotatably connected with the upright post (3) through the limiting ring (11).

5. A highly efficient and stable axial flow fan blade according to claim 3, characterized in that: fixed block (19) are fixedly arranged at the top of the annular groove (2), and the central shaft (1) is connected with a threaded rod (9) through the fixed block (19) in a threaded manner.

6. The efficient and stable axial-flow fan blade according to claim 1, characterized in that: the fan blade (6) is also provided with a connecting assembly, and the connecting assembly comprises a fixed rod (13), a slope block (15) and a spring (16);

the fan blade fixing device is characterized in that a fixing rod (13) is fixedly connected to the fan blade (6), the fan blade (6) is connected with the sleeve frame (5) in an inserted mode through the fixing rod (13), two groups of inclined surface blocks (15) are connected to the inside of the fixing rod (13) in a sliding mode, and a spring (16) is fixedly arranged between the two groups of inclined surface blocks (15).

7. The efficient and stable axial-flow fan blade according to claim 6, wherein: and a through groove (14) matched with the inclined plane block (15) is formed in the fixed rod (13).

8. The efficient and stable axial-flow fan blade according to claim 6, wherein: the sleeve frame (5) is provided with a long groove (18) matched with the fixed rod (13), and the sleeve frame (5) is internally provided with an inclined groove (17) matched with the inclined block (15).