Fan blade convenient to assemble

Abstract

The fan blade convenient to assemble comprises an installation ring, a plurality of blades are evenly embedded in the front face of the installation ring around the ring center, the close end of each blade extends to the inner ring face of the installation ring, and a limiting block is fixedly installed at the position, located on the inner ring face of the installation ring, of one end of each blade. Compared with the prior art, the utility model has the following beneficial effects: the limiting block faces the inner ring of the mounting ring, and the blades are respectively embedded into the grooves in the front surface of the mounting ring, so that after the limiting block is attached to the inner ring surface of the mounting ring, the positioning ring is aligned to the ring opening in the front surface of the mounting ring and is embedded into the mounting ring; the limiting blocks are clamped and fixed between the outer ring face of the positioning ring and the inner ring face of the mounting ring, the blades embedded in the front face of the mounting ring are rapidly fixed, the phenomenon that the blades are loosened is avoided under the condition that no screws are used for fixing, the blades do not need to be separately and repeatedly calibrated and fixed, and the splicing convenience of the blades is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fan blade convenient to assemble belongs to fan equipment field. BACKGROUND

[0002] The fan is relied on the input mechanical energy, improves the gas pressure and sends the gas, and it is a kind of driven fluid machinery, and the fan is usually composed of motor and fan blade, when motor starts, the output end rotates, can drive multiple fan blades high-speed rotation, to produce powerful airflow.

[0003] In prior art, the number of common fan blades is three to six, and different number of blades will affect air volume and noise level, when old blades are disassembled, the screw or buckle for fixing the blade needs to be found, and screwdriver or other tools are used to loosen the screw or press the buckle, when new blades are installed, the new blades need to be aligned with the shaft hole, the front and back of the blade are confirmed (usually the direction is marked on the blade), all blades of the fan are aligned with the clamping groove on the motor shaft, and then the blades are embedded into the clamping groove, and the blades are fixed by separate screws, the clamping of the clamping groove cannot keep the fixation of the blades during the fixation process, and the unfixed blades are prone to loose and fall off, so the blades need to be fixed repeatedly, which reduces the assembly convenience of the fan blades.

[0004] Therefore, the utility model provides a fan blade convenient to assemble to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of prior art, the utility model aims at providing a fan blade convenient to assemble to solve the problem that the blades need to be fixed repeatedly during the assembly process of the fan blades in the background art, which leads to complicated assembly of the blades.

[0006] In order to achieve the above object, the utility model is through the following technical scheme to realize: a fan blade convenient to assemble, including installation ring, the front of installation ring is evenly embedded with a plurality of blades around the ring heart, the end of each blade is close to each other and extends to the inner ring surface of installation ring, the end of each blade and located the inner ring surface of installation ring is fixedly installed and is equipped with limit block, the inside of installation ring and the opposite side between a plurality of limit blocks are equipped with positioning ring, the outer ring surface of positioning ring and located the front of installation ring is fixedly equipped with fixed ring, the front of installation ring is evenly provided with a plurality of first threaded holes around the ring heart, the front of installation ring and located both sides of each first threaded hole is equipped with clamping groove, the back of fixed ring and located the inside of each clamping groove is fixedly connected with clamping block, the front and back between fixed ring and located the front end of each first threaded hole is equipped with second threaded hole, the front of fixed ring is evenly penetrated with a plurality of long rod screws through a plurality of second threaded holes.

[0007] Further, the first threaded hole is communicated with the second threaded hole, and the threaded end of each long rod screw extends to the inside of the first threaded hole.

[0008] Further, the long rod screw is screwed with the fixed ring through the second threaded hole, and the long rod screw is screwed with the installation ring through the first threaded hole.

[0009] Further, the back of the fixed ring is in contact with the front of the installation ring, and the limit block is in contact with the installation ring.

[0010] Further, the clamping groove and the clamping block are embedded with each other, and the front of each long rod screw is fixedly connected with a protruding block.

[0011] Further, the limit block has a limiting effect on the blade, and the end of each blade away from each other penetrates the outer ring surface of the installation ring and extends to the outside of the installation ring.

[0012] The utility model has the advantages of:

[0013] By embedding each blade into the groove on the front of the installation ring after the limit block is directed to the inner ring of the installation ring, the limit block is fitted with the inner ring surface of the installation ring, the positioning ring is aligned with the ring opening on the front of the installation ring and embedded into the inside of the installation ring, the limit block is clamped and fixed between the outer ring surface of the positioning ring and the inner ring surface of the installation ring, the blade embedded on the front of the installation ring is quickly fixed, the phenomenon of blade loosening does not occur without screw fixation, the blade does not need to be individually and repeatedly calibrated and fixed, and the blade assembly convenience is effectively improved.

[0014] After the preliminary assembly of the fan blade is completed, each clamping block on the back of the fixing ring is aligned with each clamping groove on the front of the mounting ring one by one, and the clamping block is embedded into the inside of each clamping groove, so that each second threaded hole is aligned with each first threaded hole one by one, the surface threaded hole of the fan blade assembly structure can be quickly docked, and the fan blade assembly efficiency is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Other features, objects, and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, read in conjunction with the accompanying drawings:

[0016] Figure 1 is a perspective view of the fan blade convenient to assemble of the present application;

[0017] Figure 2 is a main sectional view of the fan blade convenient to assemble of the present application;

[0018] Figure 3 is Figure 2 is a perspective view of the mounting ring;

[0019] Figure 4 is Figure 1 is a rear perspective view of the fixing ring.

[0020] In the figure: 1, mounting ring; 2, blade; 3, limiting block; 4, positioning ring; 5, fixing ring; 6, clamping groove; 7, first threaded hole; 8, second threaded hole; 9, clamping block; 10, long rod screw; 11, protruding block. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects achieved by the present application easy to understand, the present application will be further described below in conjunction with specific embodiments.

[0022] Please refer to Figures 1-4The utility model provides a technical scheme: a fan blade convenient to assemble, including installation ring 1, the front of installation ring 1 is around ring heart and is uniformly embedded with a plurality of blades 2, and the rear end of installation ring 1 is fixedly connected with external motor output end, and the end of each blade 2 is close to and extends to the inner ring surface of installation ring 1, and the end of each blade 2 is fixedly installed with limiting block 3 in the inner ring surface of installation ring 1, and the inside of installation ring 1 and the opposite side between a plurality of limiting block 3 are equipped with the positioning ring 4, and the outer ring surface of positioning ring 4 and the front of installation ring 1 are fixedly equipped with fixed ring 5, and the front of installation ring 1 is around ring heart and is uniformly provided with a plurality of first threaded holes 7, and the front of installation ring 1 and the both sides of each first threaded hole 7 are provided with clamping groove 6, and the back of fixed ring 5 and the inside of each clamping groove 6 are fixedly connected with clamping block 9, and the front and back between fixed ring 5 and the front end of each first threaded hole 7 are provided with second threaded hole 8, and the front of fixed ring 5 is uniformly penetrated with a plurality of long rod screws 10 through a plurality of second threaded holes 8, when positioning ring 4 is embedded to the inside of installation ring 1 and is located between the opposite side of each limiting block 3, limiting block 3 can be clamped and fixed between the outer ring surface of positioning ring 4 and the inner ring surface of installation ring 1, the blade 2 embedded in the front of installation ring 1 can be quickly fixed, in the absence of screw, the phenomenon of blade 2 loosening will not occur.

[0023] Please refer to Figures 2-4 , first threaded hole 7 and second threaded hole 8 are communicated, and the threaded end of each long rod screw 10 extends to the inside of first threaded hole 7, the front of installation ring 1 is provided with recess matched with the clamping of blade 2, long rod screw 10 is screwed with fixed ring 5 through second threaded hole 8, long rod screw 10 is screwed with installation ring 1 through first threaded hole 7, the back of fixed ring 5 and the front of installation ring 1 contact, limiting block 3 and installation ring 1 contact, clamping groove 6 and clamping block 9 are embedded each other, the front of each long rod screw 10 is fixedly connected with lug 11, long rod screw 10 can be quickly rotated through lug 11, and it is not necessary to rotate with tool, effectively improve the convenience of fan blade assembly, when the clamping block 9 of the back of fixed ring 5 is aligned with clamping groove 6 and is embedded to the inside of clamping groove 6, it can guarantee that each second threaded hole 8 is aligned with each first threaded hole 7 one by one, limiting block 3 has limiting effect to blade 2, and the end of each blade 2 is away from and extends to the outside of installation ring 1 and is penetrated the outer ring surface of installation ring 1.

[0024] Specifically, the limiting blocks 3 are embedded into the grooves on the front surface of the mounting ring 1, and then the positioning ring 4 is aligned with the ring opening on the front surface of the mounting ring 1 and embedded into the interior of the mounting ring 1. At this time, the outer ring surface of the positioning ring 4 can be in close contact with the opposite side of each limiting block 3, i.e., the limiting blocks 3 can be clamped and fixed between the outer ring surface of the positioning ring 4 and the inner ring surface of the mounting ring 1, so that the blades 2 embedded on the front surface of the mounting ring 1 can be quickly fixed. Without the use of screws, the phenomenon of loose blades 2 does not occur, and the blades 2 do not need to be individually and repeatedly calibrated and fixed, thereby effectively improving the convenience of assembling the blades 2.

[0025] After the preliminary assembly of the fan blades is completed, each clamping block 9 on the back surface of the fixing ring 5 is aligned with each clamping groove 6 on the front surface of the mounting ring 1, and the clamping block 9 is embedded into the interior of each clamping groove 6, so that each second threaded hole 8 is aligned with each first threaded hole 7, and the threaded holes on the surface of the fan blade assembly structure can be quickly connected, thereby effectively improving the assembly efficiency of the fan blades.

[0026] Then, the long rod screws 10 are aligned with the second threaded holes 8 on the front surface of the fixing ring 5, and the protrusions 11 can be used to rotate each long rod screw 10 in turn. After the long rod screws 10 are screwed into the interior of the second threaded holes 8 and the first threaded holes 7, the fixing of the fixing ring 5 and the mounting ring 1 is completed, and the fixing ring 5 can limit each blade 2 and limiting block 3, thereby completing the assembly of the fan blades.

[0027] In addition, it should be understood that although the present specification is described in terms of embodiments, each embodiment does not necessarily contain only one independent technical solution, and the description of the specification is only for the sake of clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A fan blade for ease of assembly comprising a mounting ring (1) characterised in that: The front surface of the mounting ring (1) is uniformly embedded with a plurality of blades (2) around the ring core, the proximal end of each blade (2) extends to the inner ring surface of the mounting ring (1), one end of each blade (2) and located in the inner ring surface of the mounting ring (1) is fixedly installed with a limiting block (3), the inside of the mounting ring (1) and the opposite side of the plurality of limiting blocks (3) are sleeved with a positioning ring (4), the outer ring surface of the positioning ring (4) and located on the front surface of the mounting ring (1) is fixedly sleeved with a fixed ring (5), the front surface of the mounting ring (1) is uniformly provided with a plurality of first threaded holes (7) around the ring core, the front surface of the mounting ring (1) and located on both sides of each first threaded hole (7) is provided with a clamping groove (6), the back surface of the fixed ring (5) and located inside each clamping groove (6) is fixedly connected with a clamping block (9), the front surface and the back surface of the fixed ring (5) and located at the front end of each first threaded hole (7) are provided with a second threaded hole (8), the front surface of the fixed ring (5) is uniformly penetrated by a plurality of long rod screws (10) through a plurality of second threaded holes (8).

2. A fan blade for ease of assembly according to claim 1, wherein: The first threaded hole (7) and the second threaded hole (8) are in communication, and the threaded end of each long rod screw (10) extends into the inside of the first threaded hole (7).

3. A fan blade for easy assembly as claimed in claim 1, wherein: The long rod screw (10) is threadedly connected with the fixed ring (5) through the second threaded hole (8), and the long rod screw (10) is threadedly connected with the mounting ring (1) through the first threaded hole (7).

4. A fan blade for easy assembly as claimed in claim 1, wherein: The back surface of the fixed ring (5) is in contact with the front surface of the mounting ring (1), and the limiting block (3) is in contact with the mounting ring (1).

5. A fan blade for easy assembly as claimed in claim 1, wherein: The clamping groove (6) and the clamping block (9) are embedded with each other, and the front surface of each long rod screw (10) is fixedly connected with a protruding block (11).

6. A fan blade for easy assembly as claimed in claim 1, wherein: The limiting block (3) has a limiting effect on the blade (2), and the distal end of each blade (2) penetrates the outer ring surface of the mounting ring (1) and extends to the outside of the mounting ring (1).

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