CN210738919U

CN210738919U - Axial flow fan blade convenient to change blade and adjustable angle

Info

Publication number: CN210738919U
Application number: CN201921355103.4U
Authority: CN
Inventors: 胡健文
Original assignee: Guangzhou Hongjian Ventilation Equipment Manufacturing Co ltd
Current assignee: Guangzhou Hongjian Ventilation Equipment Manufacturing Co ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-06-12
Anticipated expiration: 2029-08-20

Abstract

The utility model discloses an axial compressor fan blade convenient to change blade and adjustable angle relates to axial compressor fan blade field, including protective housing, protective housing's inside is provided with multilateral recess, and one side that protective housing's inside is located multilateral recess is provided with the bearing, the internal connection of bearing has the connecting rod, and the internal connection that the one end of connecting rod is located multilateral recess has the gear, the one end that the gear was kept away from to the connecting rod is located protective housing's the outside and is connected with the blade, protective housing's inside is located multilateral recess's bottom and is provided with the connecting block, and the inside of connecting block is provided with the draw-in groove, the top. The utility model discloses a be provided with fluted disc, gear, connecting rod and bearing, through the control fluted disc rotation, drive the gear revolve of meshing with it, gear revolve makes the angle of connecting rod and blade adjusted, and when the device under the unchangeable circumstances of rotational speed, the gas efficiency of crossing of axial compressor fan blade can be adjusted.

Description

Axial flow fan blade convenient to change blade and adjustable angle

Technical Field

The utility model relates to an axial compressor fan blade field specifically is an axial compressor fan blade convenient to change blade and adjustable angle.

Background

Axial flow fan blades are important components of axial flow fans, and the axial flow fans are widely used, namely, air flows in the same direction as the shafts of the fan blades, such as electric fans, and fans outside air conditioners are axial flow type running fans, so that the axial flow fans are called axial flow type fans, and air flows parallel to the fan shafts.

When the axial flow fan blade needs to be installed at one end of the motor, the limiting block needs to be clamped outside the output shaft of the motor in advance, and the output end of the motor is clamped into the axial flow fan blade, so that the traditional axial flow fan blade is inconvenient to install.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the traditional axial flow fan blade is inconvenient to install and the angle of the existing axial flow fan blade cannot be adjusted, the axial flow fan blade convenient for replacing the blade and adjusting the angle is provided.

In order to achieve the above object, the utility model provides a following technical scheme: an axial flow fan blade convenient for replacing blades and adjusting angles comprises a protective shell, wherein a polygonal groove is formed in the protective shell, a bearing is arranged on one side, located on the polygonal groove, of the protective shell, a connecting rod is connected to the inside of the bearing, one end of the connecting rod is located inside the polygonal groove, is connected with a gear, one end, far away from the gear, of the connecting rod is located on the outer side of the protective shell and is connected with blades, a connecting block is arranged at the bottom end, located on the polygonal groove, of the protective shell, a clamping groove is formed in the connecting block, the top end of the connecting block is connected with a limiting cylinder, a cover plate is arranged at the top end of the protective shell, a limiting block matched with the polygonal groove is connected to the bottom end of the cover plate, a connecting column is connected to the, the inside of apron is provided with the bolt, and the apron passes through the bolt and can dismantle with protective housing and be connected.

Preferably, the structure of the polygonal groove is a dodecagon, the number of the bearings is six, and the six groups of bearings are uniformly distributed on the inner wall of the polygonal groove.

Preferably, the connecting rod is connected with the protective shell in a rotating mode through a bearing, and the connecting rod is connected with the gear in a clamping mode.

Preferably, the outside of draw-in groove is provided with the screw thread, goes draw-in groove and passes through screw thread detachable connection with spacing section of thick bamboo.

Preferably, the connecting column is connected with the cover plate in a sliding mode, and a groove is formed in the top end of the cover plate.

Preferably, the outer side of the bottom end of the fluted disc is provided with threads matched with gears, and the six groups of gears are all meshed with the fluted disc.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a be provided with the connecting block, draw-in groove and spacing section of thick bamboo, when the device need be installed, go into in the draw-in groove through the output shaft card with the motor, and go into the locating pin from the top card of connecting block, make the motor output by the block in the inside of connecting block, therefore the device is convenient for install, through being provided with the fluted disc, the gear, connecting rod and bearing, rotate through the control fluted disc, drive the gear revolve of meshing with it, gear revolve makes the angle of connecting rod and blade adjusted, under the unchangeable circumstances of rotational speed, the gas efficiency of crossing of axial compressor fan blade can be adjusted.

Drawings

FIG. 1 is an exploded view of the present invention;

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

fig. 3 is a top cross-sectional view of the present invention;

fig. 4 is a schematic view of the fluted disc of the present invention.

In the figure: 1. a protective housing; 2. a polygonal groove; 3. a bearing; 4. a connecting rod; 5. a blade; 6. a gear; 7. connecting blocks; 8. a card slot; 9. a limiting cylinder; 10. a cover plate; 11. connecting columns; 12. a groove; 13. a fluted disc; 14. a limiting block; 15. and (4) bolts.

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.

Referring to fig. 1-4, an axial flow fan blade convenient for blade replacement and angle adjustment comprises a protective casing 1, a polygonal groove 2 is arranged inside the protective casing 1, a bearing 3 is arranged on one side of the polygonal groove 2 inside the protective casing 1, a connecting rod 4 is connected inside the bearing 3, a gear 6 is connected inside the polygonal groove 2 at one end of the connecting rod 4, which is far away from the gear 6, is arranged outside the protective casing 1 and connected with a blade 5, a connecting block 7 is arranged at the bottom end of the polygonal groove 2 inside the protective casing 1, a clamping groove 8 is arranged inside the connecting block 7, a limiting cylinder 9 is connected at the top end of the connecting block 7, a cover plate 10 is arranged at the top end of the protective casing 1, a limiting block 14 matched with the polygonal groove 2 is connected at the bottom end of the cover plate 10, and a, the connecting column 11 runs through the cover plate 10 and the limiting block 14, the bottom end of the connecting column 11 is connected with the fluted disc 13, the bolt 15 is arranged inside the cover plate 10, and the cover plate 10 is detachably connected with the protective shell 1 through the bolt 15.

Please refer to fig. 1, the structure of the polygonal groove 2 is a dodecagon, the number of the bearings 3 is six, and the six groups of bearings 3 are uniformly distributed on the inner wall of the polygonal groove 2, so that the bearings 3 are conveniently installed inside the protective housing 1, and the gear 6 is not easily contacted with the protective housing 1.

Please refer to fig. 1 and fig. 2, the connecting rod 4 is rotatably connected to the protective housing 1 through the bearing 3, and the connecting rod 4 is connected to the gear 6 in a snap-fit manner, so that the connecting rod 4 can be rotatably connected to the protective housing 1 through the bearing 3, and the angle of the blade 5 can be adjusted.

Please refer to fig. 1, the outer side of the clamping groove 8 is provided with a thread, and the clamping groove 8 and the limiting cylinder 9 are detachably connected through the thread, so that the positioning pin is not easy to fall off after being installed, and the difficulty of installing the device and the motor is reduced.

Please refer to fig. 4, the connecting column 11 is slidably connected to the cover plate 10, and the top end of the cover plate 10 is provided with a groove 12, and the connecting column 11 is controlled to rotate, so that the band-driving gear 13 rotates synchronously.

Please refer to fig. 3, the outer side of the bottom end of the gear plate 13 is provided with a thread matching with the gear 6, and the six sets of gears 6 are all meshed with the gear plate 13, and the six sets of blades 5 can be driven to adjust the angle by controlling the rotation of the gear plate 13.

The working principle is as follows: when the blade angle adjusting device is used, the output shaft of the motor needs to be clamped into the clamping groove 8, the positioning pin is clamped into the top end of the connecting block 7 through the top end of the connecting block 7, the output end of the motor is clamped into the connecting block 7 through the positioning pin, the limiting cylinder 9 is screwed on the outer side of the connecting block 7 through threads, the positioning pin is not prone to falling off from the inside of the connecting block 7, the fluted disc 13 is clamped into the cover plate 10 through the connecting column 11, the cover plate 10 is attached to the top end of the protective shell 1, the limiting block 14 is clamped into the polygonal groove 2, the bottom end of the fluted disc 13 is attached to the six sets of gears 6, the cover plate 10 is fixedly mounted at the top end of the protective shell 1 through screwing the plurality of sets of bolts 15, the fluted disc 13 is extruded by the limiting block 14 and cannot rotate, when the angle of the blade 5 needs to be adjusted, make spliced pole 11 can rotate in apron 10, can drive fluted disc 13 synchronous rotation when spliced pole 11 rotates, along with the rotation of fluted disc 13 for six sets of gears 6 with it meshing begin to rotate, can drive connecting rod 4 and blade 5 rotatory when gear 6 is rotatory, make the angle of blade 5 adjusted.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an axial compressor fan blade convenient to change blade and adjustable angle, includes protecting sheathing (1), its characterized in that: a polygonal groove (2) is formed in the protective shell (1), a bearing (3) is arranged on one side, located on the polygonal groove (2), in the protective shell (1), a connecting rod (4) is connected to the inside of the bearing (3), a gear (6) is connected to one end, located on the polygonal groove (2), of the connecting rod (4), one end, far away from the gear (6), of the connecting rod (4) is located on the outer side of the protective shell (1) and is connected with a blade (5), a connecting block (7) is arranged at the bottom end, located on the polygonal groove (2), in the protective shell (1), a clamping groove (8) is formed in the connecting block (7), a limiting cylinder (9) is connected to the top end of the connecting block (7), a cover plate (10) is arranged at the top end of the protective shell (1), and a limiting block (14) matched with the polygonal groove (2) is connected to, the utility model discloses a protective housing, including stopper (14), the internally connected of stopper (14) has spliced pole (11), spliced pole (11) run through apron (10) and stopper (14), and the bottom of spliced pole (11) is connected with fluted disc (13), the inside of apron (10) is provided with bolt (15), and apron (10) can dismantle with protective housing (1) through bolt (15) and be connected.

2. The axial-flow fan blade convenient for blade replacement and angle adjustment of claim 1, wherein: the structure of the polygonal groove (2) is a dodecagon, the number of the bearings (3) is six, and the six groups of bearings (3) are uniformly distributed on the inner wall of the polygonal groove (2).

3. The axial-flow fan blade convenient for blade replacement and angle adjustment of claim 1, wherein: the connecting rod (4) is rotatably connected with the protective shell (1) through a bearing (3), and the connecting rod (4) is connected with the gear (6) in a clamping mode.

4. The axial-flow fan blade convenient for blade replacement and angle adjustment of claim 1, wherein: the outside of draw-in groove (8) is provided with the screw thread, goes draw-in groove (8) and passes through screw thread detachable connection with spacing section of thick bamboo (9).

5. The axial-flow fan blade convenient for blade replacement and angle adjustment of claim 1, wherein: the connecting column (11) is connected with the cover plate (10) in a sliding mode, and a groove (12) is formed in the top end of the cover plate (10).

6. The axial-flow fan blade convenient for blade replacement and angle adjustment of claim 1, wherein: the outer side of the bottom end of the fluted disc (13) is provided with threads matched with the gears (6), and the six groups of gears (6) are all meshed with the fluted disc (13).