CN112431792A

CN112431792A - Quick connecting assembly for fan blade assembly

Info

Publication number: CN112431792A
Application number: CN202011321411.2A
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: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-03-02
Anticipated expiration: 2040-11-23
Also published as: CN112431792B

Abstract

The invention discloses a quick connecting component for assembling fan blades, which belongs to the technical field of fan equipment and comprises an adjusting mechanism, an expansion mechanism, a locking nut and a fan blade knob, wherein the adjusting mechanism and the expansion mechanism are coaxially sleeved inside and outside, a driving device is inserted into an inner cavity of the adjusting mechanism in a penetrating manner, the driving device comprises a driving shaft for rotating, a shaft step part is integrally arranged on the upper part of the outer wall of the driving shaft, a thread section is arranged at the top end of the driving shaft, the adjusting mechanism and the expansion mechanism are attached to the upper surface of the shaft step part, the top of the adjusting mechanism is closely attached with the locking nut in threaded connection with the thread section, the adjusting mechanism and the expansion mechanism are arranged between the fan blades and the driving shaft, a rotating plate is arched by utilizing the screwing-in of the locking nut, so that a floating block moves outwards, the uniformly distributed floating block is extruded with the inner wall of a fan blade mounting, the device is convenient for be applicable to the assembly of multiple fan blade, and easy operation is swift.

Description

Quick connecting assembly for fan blade assembly

Technical Field

The invention relates to the technical field of fan equipment, in particular to a quick connecting assembly for assembling fan blades.

Background

At present, in the whole fan industry, the conditions of horizontal swing and vertical shaking of a fan head can occur, and the running stability is seriously influenced. In the article class of fan, for example ordinary floor fan, direct current floor fan, platform floor fan, square fan etc. this kind of condition has all appeared in the fan operation in-process in different models, and this kind of condition is avoided the condition of horizontal hunting and upper and lower shake in the method that does not set up the gear at the shake interval to most products now adoption, but can seriously influence the rotational speed span homogeneity between the gear, influence user experience, reduce product market competitiveness, weaken the brand influence.

At present, aiming at the problem of vibration caused by the unbalanced mass of a fan caused by the eccentric assembly of the fan blade, if a method for improving the processing precision and reducing the assembly gap is adopted, not only is the production and processing cost increased, but also difficulty is increased for the assembly and disassembly of a user, so that a connecting assembly for assembling the fan blade is urgently needed to be designed, and the invention designs a quick connecting assembly for assembling the fan blade to solve the problems.

Disclosure of Invention

The invention aims to provide a quick connecting component for assembling fan blades, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a quick connecting component for assembling fan blades comprises an adjusting mechanism, an expansion mechanism, a locking nut and a fan blade knob, the adjusting mechanism and the expansion mechanism are coaxially sleeved inside and outside, a driving device is inserted into the inner cavity of the adjusting mechanism, the driving device comprises a driving shaft used for rotating, the upper part of the outer wall of the driving shaft is integrally provided with a shaft step part, the top end of the driving shaft is provided with a thread section, the adjusting mechanism and the expansion mechanism are attached to the upper surface of the step part of the shaft, the top of the adjusting mechanism is tightly attached with a locking nut which is in threaded connection with the threaded section, the outer wall of the expansion mechanism is sleeved with a fan blade, the fan blade is also attached to the upper surface of the step part of the shaft, the top of the mounting hole of the fan blade is closely attached with a fan blade knob, and the fan blade knob is in threaded connection with the threaded section, a pressing ring is integrally arranged at the bottom of the fan blade knob, and the pressing ring is tightly attached to the top of the expansion mechanism.

Furthermore, the adjusting mechanism comprises two groups of connecting rings, six groups of welding blocks are uniformly welded on the inner wall of each connecting ring, rotating plates are connected between the welding blocks in a relative rotating mode and are formed by two groups of anti-static plates in rotating connection through pin shafts, and ball chain plates are embedded in the outer surfaces of the rotating plates close to the sides of the pin shafts.

Furthermore, a gasket is installed on the outer end face of any one of the connecting rings in a rotating and protruding mode through a circular slideway and a stop block.

Furthermore, the expansion mechanism comprises a sleeve, six rectangular through grooves are uniformly formed in the outer wall of the sleeve, floating blocks are inserted into the inner cavities of the rectangular through grooves in a sliding mode, L-shaped supporting plates are fixedly mounted on two sides of the inner wall of each rectangular through groove, spring pressing rods are vertically fixed on the inner transverse surfaces of the L-shaped supporting plates, and the tops of the two groups of spring pressing rods are fixedly connected with two sides of the bottom of each floating block respectively.

Further, the outer end face of the other connecting ring and the upper surface of the shaft step portion are respectively fixed with gear rings which are meshed with each other.

Furthermore, the locking nut is a locknut.

Furthermore, the lower surface of the L-shaped supporting plate is concave arc surface-shaped.

Further, the outer surface of the floating block is provided with a frosted surface.

Compared with the prior art, the invention has the beneficial effects that: the invention utilizes the adjusting mechanism and the expansion mechanism to be arranged between the fan blade and the driving shaft, utilizes the precession of the locking nut to arch the rotating plate, further enables the floating block to move outwards, utilizes the extrusion of the evenly-divided floating block and the inner wall of the fan blade mounting hole to carry out transverse fixation, and simultaneously carries out longitudinal fixation by matching the fan blade knob with the step part of the shaft.

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 some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic view of the adjustment mechanism of FIG. 1;

FIG. 3 is a schematic view of the expansion mechanism of FIG. 1;

fig. 4 is a left side view of fig. 3.

In the drawings, the components represented by the respective reference numerals are listed below:

1-driving device, 2-fan blade, 3-adjusting mechanism, 4-expansion mechanism, 5-locking nut, 6-fan blade knob, 100-driving shaft, 101-shaft step part, 102-thread section, 30-connecting ring, 31-welding block, 32-rotating plate, 33-ball chain plate, 40-sleeve, 41-rectangular through groove, 42-type L-shaped supporting plate, 43-floating block and 44-spring pressure rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a quick connection assembly for fan blade assembly comprises an adjusting mechanism 3, an expansion mechanism 4, a locking nut 5 and a fan blade knob 6, wherein the adjusting mechanism 3 and the expansion mechanism 4 are coaxially sleeved inside and outside, a driving device 1 is inserted into an inner cavity of the adjusting mechanism 3 in a penetrating manner, the driving device 1 comprises a driving shaft 100 for rotation, a shaft step part 101 is integrally arranged on the upper part of the outer wall of the driving shaft 100, a thread section 102 is arranged at the top end of the driving shaft 100, the adjusting mechanism 3 and the expansion mechanism 4 are attached to the upper surface of the shaft step part 101, the top of the adjusting mechanism 3 is closely attached with the locking nut 5 in threaded connection with the thread section 102, a fan blade 2 is sleeved on the outer wall of the expansion mechanism 4, the fan blade 2 is also attached to the upper surface of the shaft step part 101, the top of an installation hole of the fan blade knob 6 is closely attached to the top of the fan blade, and the pressing ring is tightly attached to the top of the expansion mechanism 4.

Wherein, adjustment mechanism 3 includes two sets of connection rings 30, and the inner wall of connecting rings 30 evenly welds has six groups of lugs 31, rotates relatively between the lugs 31 of both sides to be connected with commentaries on classics board 32, changes the antistatic backing that board 32 adopted two sets of round pin axles to rotate to connect and constitutes, changes the board 32 surface and is close to the embedded ball link joint 33 that installs of round pin axle side.

The outer end face of any one of the connection rings 30 is provided with a washer by rotating the circular slideway and the stop block to protrude, and when the locking nut 5 is rotated, the rotating friction resistance is reduced.

The expansion mechanism 4 comprises a sleeve 40, six rectangular through grooves 41 are uniformly formed in the outer wall of the sleeve 40, floating blocks 43 are inserted into the inner cavities of the rectangular through grooves 41 in a sliding mode, L-shaped supporting plates 42 are fixedly mounted on two sides of the inner wall of each rectangular through groove 41, spring pressing rods 44 are vertically fixed on the inner transverse surfaces of the L-shaped supporting plates 42, and the tops of the two groups of spring pressing rods 44 are fixedly connected with two sides of the bottom of each floating block 43 respectively.

The outer end surface of the other connecting ring 30 and the upper surface of the shaft step portion 101 are fixed with gear rings that are engaged with each other, so that the rotating plate 32 and the slider 43 can be pressed correspondingly.

The locking nut 5 adopts a locknut, so that the rotating plate 32 is arched and stably formed, and is convenient to fix and limit.

The lower surface of the L-shaped supporting plate 42 is concave arc surface-shaped, so that the contact area is reduced, and further the friction resistance is reduced during installation.

The outer surface of the floating block 43 is a frosted surface, so that friction is increased, and the fan blade 2 is prevented from shifting.

One specific application of this embodiment is: the adjusting mechanism 3 is located on the inner side of the expansion mechanism 4, the fan blade 2 is sleeved on the outer wall of the expansion mechanism 4, the adjusting mechanism 3 is sleeved on the driving shaft 100, the rotating plate 32 is arched by utilizing the screwing of the locking nut 5, the floating block 43 is further enabled to move outwards, the evenly distributed floating block 43 and the inner wall of the mounting hole of the fan blade 2 are extruded to be transversely fixed, and meanwhile, the fan blade knob 6 is matched with the shaft step part 101 to be longitudinally fixed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 embodiments 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 utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a fan blade assembly is with quick coupling assembling, includes adjustment mechanism (3), expansion mechanism (4), lock nut (5) and fan blade knob (6), its characterized in that: the adjusting mechanism (3) and the expansion mechanism (4) are coaxially sleeved inside and outside, a driving device (1) penetrates through and is inserted into an inner cavity of the adjusting mechanism (3), the driving device (1) comprises a driving shaft (100) used for rotating, a shaft step part (101) is integrally arranged on the upper part of the outer wall of the driving shaft (100), a threaded section (102) is arranged at the top end of the driving shaft (100), the adjusting mechanism (3) and the expansion mechanism (4) are attached to the upper surface of the shaft step part (101), a locking nut (5) in threaded connection with the threaded section (102) is tightly attached to the top of the adjusting mechanism (3), a fan blade (2) is sleeved on the outer wall of the expansion mechanism (4), the fan blade (2) is also attached to the upper surface of the shaft step part (101), a fan blade knob (6) is tightly attached to the top of a mounting hole of the fan blade (2), and the fan blade knob (6) is in threaded, the bottom of the fan blade knob (6) is integrally provided with a pressing ring, and the pressing ring is tightly attached to the top of the expansion mechanism (4).

2. The quick connecting assembly for assembling fan blades according to claim 1, wherein: adjustment mechanism (3) are including two sets of connection rings (30), the even welding of the inner wall of connecting rings (30) has six welding blocks (31), both sides relative rotation is connected with commentaries on classics board (32) between welding block (31), commentaries on classics board (32) adopt two sets of round pin axles to rotate the antistatic backing of connecting to constitute, commentaries on classics board (32) surface is close to the embedded ball link joint (33) of installing of round pin axle side.

3. The quick connecting assembly for assembling fan blades according to claim 2, wherein: the outer end face of any one of the connecting circular rings (30) is provided with a gasket in a rotating and protruding mode through a circular slideway and a stop block.

4. The quick connecting assembly for assembling fan blades according to claim 1, wherein: expansion mechanism (4) are including sleeve pipe (40), the outer wall of sleeve pipe (40) evenly is provided with six rectangle through grooves (41), the inner chamber slip grafting that the rectangle led to groove (41) has slider (43), the equal fixed mounting in inner wall both sides that the rectangle led to groove (41) has type L layer board (42), the interior horizontal surface vertical fixation of type L layer board (42) has spring depression bar (44), and is two sets of the top of spring depression bar (44) respectively with the bottom both sides fixed connection of slider (43).

5. The quick connecting assembly for assembling fan blades according to claim 3, wherein: the outer end face of the other connecting circular ring (30) and the upper surface of the shaft step portion (101) are fixed with gear rings which are meshed with each other.

6. The quick connecting assembly for assembling fan blades according to claim 1, wherein: the locking nut (5) is a locknut.

7. The quick connecting assembly for assembling fan blades according to claim 4, wherein: the lower surface of the L-shaped supporting plate (42) is concave arc surface-shaped.

8. The quick connecting assembly for assembling fan blades according to claim 4, wherein: the outer surface of the slider (43) is provided with a frosted surface.