CN219388201U

CN219388201U - Adjustable impeller structure of axial flow fan

Info

Publication number: CN219388201U
Application number: CN202320246690.3U
Authority: CN
Inventors: 黄溅华; 吕纯杰; 陈广锐
Original assignee: Shenzhen Zhongwei Electronic Technology Co ltd
Current assignee: Shenzhen Zhongwei Electronic Technology Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-07-21
Anticipated expiration: 2033-02-17

Abstract

The utility model belongs to the technical field of axial flow fans, and in particular relates to an adjustable impeller structure of an axial flow fan, which comprises the following components: a housing having a hollow tubular structure; the motor is arranged on the axis of the inside of the shell, an output shaft is fixed at the output end of the motor, a mounting seat is arranged at the end part of the output shaft, a rotating shaft is rotatably arranged around the mounting seat, and a blade is arranged at one end of the rotating shaft; according to the utility model, the angle adjustment of the four blades can be realized through the adjusting mechanism and the guiding mechanism, the guiding mechanism drives the mounting plate to reciprocate on the output shaft, so that the four blades are driven to rotate on the rotating shaft through the four connecting rods and the four fixing rods, the function of synchronously performing the angle adjustment of the four blades is realized, and meanwhile, the four blades perform the angle adjustment under the action of the guiding mechanism under the condition that the motor is not stopped.

Description

Adjustable impeller structure of axial flow fan

Technical Field

The utility model belongs to the technical field of axial flow fans, and particularly relates to an adjustable impeller structure of an axial flow fan.

Background

The axial flow fan is also called a local fan, and is a fan commonly used by industrial and mining enterprises and used for local ventilation; an axial flow fan is an air flow (namely, the flow direction of wind is parallel to the axis) in the same direction as the axis of a fan blade, for example, an electric fan, and an air conditioner fan is an axial flow type running fan.

In chinese patent No. CN201020537899.8, entitled adjustable impeller structure of axial flow fan, the adjustable impeller structure of axial flow fan of the present utility model has: simple structure makes simple to operate, and is with low costs, excellent in use effect's characteristics, however, current impeller need shut down and just can carry out angle modulation after using, greatly reduced the practicality of equipment, in addition, current impeller's blade need progressively carry out angle regulation, leads to the angle that a plurality of blades on the impeller adjusted can not keep unanimously to influence the result of use of fan.

Disclosure of Invention

The utility model aims to provide an adjustable impeller structure of an axial flow fan, which solves the problem that the angle of the existing impeller can be adjusted only after the existing impeller is stopped for use, and the angle of the blades of the existing impeller needs to be adjusted step by step, so that the angle of adjustment of a plurality of blades on the impeller cannot be kept consistent.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an adjustable impeller structure of an axial flow fan, comprising: a housing having a hollow tubular structure;

the motor is arranged on the axis of the inside of the shell, an output shaft is fixed at the output end of the motor, a mounting seat is arranged at the end part of the output shaft, a rotating shaft is rotatably arranged around the mounting seat, and a blade is arranged at one end of the rotating shaft;

the adjusting mechanism is used for synchronously adjusting the four blades and comprises an installing plate sleeved on the output shaft and a rotating seat rotatably installed on the installing plate and close to one side of the installing seat;

the four fixing rods are respectively fixed on the four blades and are positioned at one side of one end of the rotating shaft;

and the motor is provided with a guide mechanism which is arranged on the mounting plate and used for enabling the mounting plate to reciprocate to one side of the mounting seat.

Preferably, the blade mounting device further comprises a mounting mechanism for rapidly detaching the blade, and the mounting mechanism comprises:

the mounting groove is formed in one end of the blade, two clamping rings are formed in the inner wall of the mounting groove and in the radial direction, and two clamping blocks matched with the clamping rings are fixed at the end part of the rotating shaft;

when one end of the rotating shaft is inserted into the mounting groove, the two clamping blocks are respectively clamped in the two clamping rings;

the bolt hole is formed in one end of the fixing rod, a bolt is installed in the bolt hole, and the bolt is inserted into the connecting rod.

Preferably, the guiding mechanism comprises an electric telescopic rod which is arranged on the motor and connected with the mounting plate, and four guiding rods which are fixedly arranged on the motor, wherein the four guiding rods are respectively arranged on the four directions of the output shaft, four through holes are formed in the mounting plate in a penetrating mode, the mounting plate is respectively movably arranged on the four guiding rods through the four through holes, a shaft hole is formed in the central position of the mounting plate in a penetrating mode, and the output shaft is arranged in the shaft hole.

Preferably, the mounting plate is close to one side of the mounting seat and is provided with a rotating groove at the outer side of the shaft hole, the rotating seat is of a circular ring structure, and the rotating seat is rotatably mounted in the rotating groove.

Preferably, the ball seat is fixed on the four directions of the rotating seat, which is close to one side of the mounting seat, a ball groove is formed in the ball seat, a ball block is arranged at one end of the connecting rod, and the ball block is hinged in the ball groove.

Preferably, grooves are formed in the outer walls around the mounting seat, one end of the rotating shaft is rotatably mounted in the grooves, and the rotating shaft is of a T-shaped structure.

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

(1) According to the utility model, the angle adjustment of the four blades can be realized through the adjusting mechanism and the guiding mechanism, the guiding mechanism drives the mounting plate to reciprocate on the output shaft, so that the four blades are driven to rotate on the rotating shaft through the four connecting rods and the four fixing rods, the function of synchronously performing the angle adjustment of the four blades is realized, and meanwhile, the four blades perform the angle adjustment under the action of the guiding mechanism under the condition that the motor is not stopped.

(2) According to the utility model, the damaged blade can be quickly disassembled and assembled through the mounting mechanism, the bolt is pulled out from the fixing rod and the connecting rod during disassembly and assembly, and simultaneously the blade is pulled out from the rotating shaft, so that the disassembly of the blade can be completed, the assembly of the blade can be completed through reverse operation, and the function of quickly disassembling and assembling the blade is realized.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of the vane and guide mechanism of the present utility model;

FIG. 3 is a partial cross-sectional view of the guide mechanism of the present utility model;

FIG. 4 is a partial cross-sectional view of the mounting mechanism of the present utility model;

FIG. 5 is a front view of the mounting plate and output shaft of the present utility model;

FIG. 6 is a front view of the swivel base of the utility model;

FIG. 7 is an enlarged view of FIG. 1 at A;

FIG. 8 is a schematic view of the fitting of the connecting rod and ball seat of the present utility model;

in the figure: 1. a housing; 2. a motor; 3. an output shaft; 4. a mounting plate; 5. a guide rod; 6. a rotating seat; 7. a mounting base; 8. a rotating shaft; 9. a plug pin; 10. a blade; 11. an electric telescopic rod; 12. a fixed rod; 13. a connecting rod; 14. a ball seat; 15. a rotating groove; 16. a ball groove; 17. a through hole; 18. a groove; 19. a clamping block; 20. a shaft hole; 21. a clasp; 22. and a mounting groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3 and fig. 5-8, the present utility model provides a technical solution: an adjustable impeller structure of an axial flow fan, comprising: a housing 1 having a hollow tubular structure;

the motor 2 is arranged on the axis of the inside of the shell 1, an output shaft 3 is fixed at the output end of the motor 2, a mounting seat 7 is arranged at the end part of the output shaft 3, a rotating shaft 8 is rotatably arranged around the mounting seat 7, and a blade 10 is arranged at one end of the rotating shaft 8;

the adjusting mechanism is used for synchronously adjusting the four blades 10 and comprises a mounting plate 4 sleeved on the output shaft 3 and a rotating seat 6 rotatably mounted on the mounting plate 4 and close to one side of the mounting seat 7;

the four fixing rods 12 are respectively fixed on the four blades 10 and are positioned at one side of one end of the rotating shaft 8;

a guiding mechanism is arranged on the motor 2 and on the mounting plate 4 and is used for reciprocating the mounting plate 4 to one side of the mounting seat 7.

Through the technical scheme:

the motor 2 starts, drive mount pad 7 through output shaft 3 and rotate, thereby drive four blades 10 and rotate in casing 1, and then take gas from the one end of casing 1 to the other end, when equipment use's in-process and when needing to adjust the wind speed, guiding mechanism starts, drive mounting panel 4 can carry out straight reciprocating motion in the axial direction of output shaft 3, thereby drive blade 10 through connecting rod 13, dead lever 12 and pivot 8 and swing on mount pad 7, thereby adjust the angle of blade 10, in output shaft 3 pivoted in-process, rotate seat 6 owing to connect on blade 10 through connecting rod 13 and dead lever 12, thereby let rotate seat 6 rotate along with output shaft 3 rotation.

Further, to the guiding mechanism that sets up above, guiding mechanism is including installing on motor 2 and the electric telescopic handle 11 that is connected with mounting panel 4, and four guide bars 5 of fixed mounting on motor 2, four guide bars 5 are installed respectively in the four directions of output shaft 3, run through four through-holes 17 on the mounting panel 4, the mounting panel 4 is movable mounting respectively on four guide bars 5 through four through-holes 17, the central point department of mounting panel 4 runs through there is shaft hole 20, output shaft 3 installs in shaft hole 20, let mounting panel 4 carry out reciprocating motion in the axial direction of output shaft 3 through guide bars 5 and through-holes 17, thereby adjust the interval between mounting panel 4 and the mount pad 7, drive mounting panel 4 automatic reciprocating motion through electric telescopic handle 11, thereby let motor 2 carry out angular adjustment to blade 10 in the in-process of using, electric telescopic handle 11 can not rotate along with blade 10 rotation simultaneously, thereby the life of electric telescopic handle 11 has been improved.

Further, to the mounting panel 4 that sets up above, the rotation groove 15 has been seted up to the outside that the mounting panel 4 is close to one side of mount pad 7 and is in shaft hole 20, rotates seat 6 and is ring column structure, rotates seat 6 and rotates and install in rotating groove 15, lets mounting panel 4 cover establish on output shaft 3 through shaft hole 20, influences mounting panel 4 when avoiding output shaft 3 to rotate, lets mount pad 7 rotate on mounting panel 4 through rotating groove 15.

Further, four directions of the side, close to the installation seat 7, of the rotating seat 6, of the connecting rod 13 are respectively fixed with the ball seat 14, the ball seat 14 is internally provided with the ball groove 16, one end of the connecting rod 13 is provided with the ball block, the ball block is hinged in the ball groove 16, the connecting rod 13 can conduct universal rotation on the rotating seat 6 through the ball block, the ball groove 16 and the ball seat 14, when the blade 10 conducts angle adjustment, the fixing rod 12 is fixed on the blade 10, the connecting rod 13 needs to conduct universal rotation on the rotating seat 6 through the ball groove 16, the ball block and the ball seat 14, the blade 10 can be driven to conduct angle adjustment, when the position of the installation plate 4 is fixed, the rotating seat 6 is fixed on the blade 10 through the fixing rod 12, the rotating seat 6 is enabled to conduct synchronous rotation along with the rotation of the installation seat 7, and the angle of the blade 10 is prevented from changing.

Further, to the above-mentioned pivot 8 that sets up, all offer recess 18 on the outer wall all around of mount pad 7, the one end rotation of pivot 8 is installed in recess 18, and pivot 8 is T type structure, and pivot 8 passes through recess 18 rotation and installs on mount pad 7, lets blade 10 pass through pivot 8 and can rotate on mount pad 7 to adjust the angle of blade 10 on mount pad 7.

Referring to fig. 4 and 7, the blade 10 further includes a mounting mechanism for rapidly detaching the blade, the mounting mechanism including:

the installation groove 22 is formed in one end of the blade 10, two clamping rings 21 are formed in the inner wall of the installation groove 22 and in the radial direction, and two clamping blocks 19 matched with the clamping rings 21 are fixed at the end part of the rotating shaft 8;

when one end of the rotating shaft 8 is inserted into the mounting groove 22, the two clamping blocks 19 are respectively clamped in the two clamping rings 21;

the bolt hole is arranged at one end of the fixed rod 12, the bolt 9 is arranged in the bolt hole, and the bolt 9 is spliced on the connecting rod 13.

Through the technical scheme:

after the blade 10 on the mounting seat 7 is damaged, the fixing rod 12 and the bolt 9 on the connecting rod 13 are pulled out, so that the connecting rod 13 is disconnected with the fixing rod 12, the blade 10 is held by one hand, the mounting seat 7 is held by the other hand, the blade 10 is pulled out of the rotating shaft 8 by the other hand, in the process, the clamping block 19 is separated from the clamping ring 21, the mounting groove 22 on the new blade 10 is brought to one end of the rotating shaft 8, the blade 10 is pushed to one side of the rotating shaft 8, one end of the rotating shaft 8 is inserted into the mounting groove 22, the clamping block 19 is clamped into the clamping ring 21, the blade 10 is prevented from being separated from the rotating shaft 8, the connecting rod 13 is connected to the fixing rod 12 through the bolt 9, and the outer diameter of the clamping ring 21 is larger than the inner diameter of the clamping ring 21.

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

Claims

1. An adjustable impeller structure of an axial flow fan, comprising: a housing (1) having a hollow tubular structure;

the motor (2) is arranged on the axis of the inside of the shell (1), an output shaft (3) is fixed at the output end of the motor (2), an installation seat (7) is arranged at the end part of the output shaft (3), a rotating shaft (8) is rotatably arranged around the installation seat (7), and a blade (10) is arranged at one end of the rotating shaft (8);

the adjusting mechanism is used for synchronously adjusting the four blades (10) and comprises an installing plate (4) sleeved on the output shaft (3) and a rotating seat (6) rotatably installed on the installing plate (4) and close to one side of the installing seat (7);

the four fixing rods (12) are respectively fixed on the four blades (10) and are positioned at one side of one end of the rotating shaft (8);

the motor (2) is provided with a guide mechanism which is arranged on the mounting plate (4) and used for reciprocating the mounting plate (4) to one side of the mounting seat (7).

2. The adjustable impeller structure of an axial flow fan according to claim 1, wherein: still include the installation mechanism of quick detach blade (10), installation mechanism includes:

the mounting groove (22) is formed in one end of the blade (10), two clamping rings (21) are formed in the inner wall of the mounting groove (22) and are arranged in the radial direction, and two clamping blocks (19) matched with the clamping rings (21) are fixed at the end part of the rotating shaft (8);

when one end of the rotating shaft (8) is inserted into the mounting groove (22), the two clamping blocks (19) are respectively clamped in the two clamping rings (21);

the bolt hole is formed in one end of the fixed rod (12), a bolt (9) is arranged in the bolt hole, and the bolt (9) is inserted into the connecting rod (13).

3. The adjustable impeller structure of an axial flow fan according to claim 1, wherein: the guide mechanism comprises an electric telescopic rod (11) which is arranged on a motor (2) and connected with a mounting plate (4), and four guide rods (5) which are fixedly arranged on the motor (2), wherein the four guide rods (5) are respectively arranged on four directions of an output shaft (3), four through holes (17) are formed in the mounting plate (4) in a penetrating mode, the mounting plate (4) is respectively movably arranged on the four guide rods (5) through the four through holes (17), a shaft hole (20) is formed in the central position of the mounting plate (4) in a penetrating mode, and the output shaft (3) is arranged in the shaft hole (20).

4. The adjustable impeller structure of an axial flow fan according to claim 1, wherein: the mounting plate (4) is close to one side of the mounting seat (7) and is positioned at the outer side of the shaft hole (20) and provided with a rotating groove (15), the rotating seat (6) is of a circular ring structure, and the rotating seat (6) is rotatably arranged in the rotating groove (15).

5. The adjustable impeller structure of an axial flow fan according to claim 1, wherein: ball seats (14) are fixed on the four directions, close to one side of the mounting seat (7), of the rotating seat (6), ball grooves (16) are formed in the ball seats (14), ball blocks are arranged at one ends of the connecting rods (13), and the ball blocks are hinged in the ball grooves (16) in a ball mode.

6. The adjustable impeller structure of an axial flow fan according to claim 1, wherein: grooves (18) are formed in the outer walls around the mounting seat (7), one end of the rotating shaft (8) is rotatably mounted in the grooves (18), and the rotating shaft (8) is of a T-shaped structure.