Fan blade structure convenient to assemble

By using a split-type fan blade structure and employing limiting grooves and threaded connections, the fan blades can be quickly installed and disassembled, solving the problems of low production efficiency and inconvenient transportation in existing technologies, and improving assembly efficiency and stability.

CN223563111UActive Publication Date: 2025-11-18东莞市炜利电子有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520109443.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2025-11-18
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

The existing electric fan blades are designed as a single piece, resulting in low production efficiency, large size, and inconvenience in moving and transporting.

Method used

It adopts a split design with components such as fan blade mounting base, fixing block, extension plate, and fastening bolts. The fan blades can be quickly installed and removed through limit grooves, positioning holes and threaded connections. It is connected to the motor using shaft mounting column.

Benefits of technology

It improves assembly efficiency, simplifies the production process, reduces mold requirements, and enhances the stability and transportability of the fan blade structure.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223563111U_ABST
    Figure CN223563111U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of fans, and discloses a fan blade structure convenient to assemble, which comprises a fan blade mounting seat, a limiting groove is arranged on the inner wall of the fan blade mounting seat, fan blades are arranged outside the fan blade mounting seat, and one end of each fan blade close to the fan blade mounting seat is fixedly connected with a fixing block. The position of the fixing block is limited through the limiting groove, then the positioning hole formed in the middle of the fixing block is in butt joint with the positioning column, and therefore the position of the fixing block is limited, it is ensured that the extension plate is aligned with the fixing column, then the fastening bolt is in threaded connection with the inner wall of the extension plate and the inner wall of the fixing column, and fan blades are installed and fixed. The fan blade mounting structure is simple and convenient to operate and convenient and rapid to mount and dismount, the assembly efficiency is improved, only molds of the fan blade mounting seat, the fixed cover plate and the single fan blade need to be manufactured during production, the production efficiency is improved, and the practicability is improved due to the fact that the fan blade mounting structure is integrally spliced and is convenient to transport.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to fan technical field especially relates to a fan blade structure convenient to assemble. BACKGROUND

[0002] The main function of the fan is to produce airflow through the rotation of the fan blade, so as to achieve the purpose of heat dissipation, ventilation and the like, and the design and performance of the fan blade directly affect the key indicators such as the air volume, air pressure and noise of the fan.

[0003] At present, the fan blade of the electric fan appearing on the market is basically of an integral structure with the base, the top cover and the blade, and a relatively complex mold is needed for processing and manufacturing, so that the production efficiency of the product is greatly reduced, and due to the integral structure, the volume is relatively large, which is not convenient for the movement and transportation of the product, and therefore, the utility model provides a fan blade structure convenient to assemble. SUMMARY

[0004] To solve the above technical problems, the utility model provides a fan blade structure convenient to assemble.

[0005] The utility model adopts the following technical scheme: a fan blade structure convenient to assemble, including fan blade mounting seat, the inner wall of fan blade mounting seat is equipped with limiting slot, the outside of fan blade mounting seat is provided with fan blade, the one end of fan blade close to fan blade mounting seat is fixedly connected with fixed block, the both ends of fixed block are fixedly connected with extension plate, the inner wall of extension plate is connected with fastening bolt in screw thread, the middle part of fixed block is equipped with positioning hole, the inner wall bottom of fan blade mounting seat is fixedly connected with positioning column, the inner wall bottom of fan blade mounting seat is fixedly connected with fixed column, the middle part of fan blade mounting seat is provided with shaft mounting column.

[0006] Through the above technical scheme, the fan blade, the fixed block and the extension plate are of an integral molding structure, the fan blade mounting seat, the positioning column, the fixed column and the shaft mounting column are of an integral molding structure, the position of the fixed block is limited through the limiting slot, then the positioning hole in the middle part of the fixed block is butted with the positioning column, so that the position of the fixed block is limited, the extension plate and the fixed column are aligned, the fan blade is conveniently installed and fixed, the operation is simple and fast, the assembly efficiency is improved, the fan blade mounting seat can be rotated through the shaft mounting column and the output shaft of the motor.

[0007] As a further improvement of the above scheme, the surface of the fixed block is in sliding connection with the inner wall of the limiting slot, and the surface of the extension plate is in contact with the inner wall of the fan blade mounting seat.

[0008] Through the above technical scheme, the position of the fixed block is limited again through the contact between the extension plate and the inner wall of the fan blade mounting seat, so that the stability of the structure is ensured, and the fan blade is prevented from loosening during use.

[0009] As a further improvement of the above scheme, the bottom of the extension plate is in contact with the top of the fixing column, and the positioning column is inserted into the positioning hole.

[0010] Through the above technical scheme, the inner wall of the extension plate and the fixing column is provided with a threaded hole, which is convenient for installation and fixation by a fastening bolt.

[0011] As a further improvement of the above scheme, one end of the fastening bolt penetrates through the extension plate and is threadedly connected with the inner wall of the fixing column.

[0012] Through the above technical scheme, the fastening bolt is threadedly connected with the inner wall of the extension plate and the fixing column, so as to install and fix the position of the fan leaf, which is simple and convenient to operate and convenient for subsequent disassembly.

[0013] As a further improvement of the above scheme, the number of the fixing columns is six, and the six fixing columns are distributed around the fan leaf mounting seat.

[0014] Through the above technical scheme, the number of the extension plates is three, the inner wall of each extension plate is provided with two threaded holes, and the two threaded holes correspond to the positions of the two fixing columns, so that one fan leaf is fixed by two fastening bolts, thereby ensuring the stability of the fan leaf fixation.

[0015] As a further improvement of the above scheme, the upper end of the fan leaf mounting seat is provided with a fixed cover plate, and the bottom of the fixed cover plate is fixedly connected with a clamping piece.

[0016] Through the above technical scheme, the bottom of the fixed cover plate is in contact with the top of the fixing block, and the fixing block is re-positioned after the fixed cover plate is installed, so as to avoid loosening of the fixing block.

[0017] As a further improvement of the above scheme, the surface of the fan leaf mounting seat is provided with a clamping groove, and one end of the clamping piece is clamped with the inner wall of the clamping groove.

[0018] Through the above technical scheme, the clamping piece is clamped with the clamping groove, which is convenient for quickly installing and fixing the fixed cover plate, and is convenient for subsequent disassembly.

[0019] Compared with the prior art, the utility model discloses the beneficial effect lies in: the utility model discloses the fan blade mounting seat, fan blade, fixed block, extension plate, fastening bolt, positioning hole, positioning column, fixed column and axle mounting column are set up, specifically is through the position of fixed block with the limiting groove of limiting, then the positioning hole of fixed block middle part is docked with the positioning column, thereby the position of fixed block is limited, ensures that extension plate and fixed column are in alignment, then through the inner wall screw thread connection of fastening bolt and extension plate and fixed column, installs and fixes the fan blade, and simple and convenient operation is convenient and quick installation and disassembly, improves the assembly efficiency, only needs to make the mould of fan blade mounting seat, fixed cover plate and single piece fan blade when producing, improves production efficiency, since the whole splicing, and convenient transportation, thereby improve practicality. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is whole structure schematic diagram of the utility model;

[0021] Figure 2 It is fan blade mounting seat connecting structure schematic diagram of the utility model;

[0022] Figure 3 It is explosion structure schematic diagram of the utility model;

[0023] Figure 4 It is fan blade structure schematic diagram of the utility model;

[0024] Figure 5 It is fan blade mounting seat and fixed cover plate structure schematic diagram of the utility model.

[0025] Main symbol explanation:

[0026] 1, fan blade mounting seat;2, limiting groove;3, fan blade;4, fixed block;5, extension plate;6, fastening bolt;7, positioning hole;8, positioning column;9, fixed column;10, axle mounting column;11, fixed cover plate;12, clamping piece;13, clamping groove. Specific implementation

[0027] Below, combining the drawings and specific implementation, the utility model is further described, need explaining that, under the premise of not conflicting, the following described each embodiment or each technical feature between can be arbitrary combination and form new embodiment.

[0028] Please combine Figures 1-5The fan leaf structure of the embodiment is convenient to assemble, which comprises a fan leaf mounting seat 1, a limiting groove 2 is formed in the inner wall of the fan leaf mounting seat 1, a fan leaf 3 is arranged outside the fan leaf mounting seat 1, a fixed block 4 is fixedly connected to one end of the fan leaf 3 close to the fan leaf mounting seat 1, extension plates 5 are fixedly connected to both ends of the fixed block 4, fastening bolts 6 are threadedly connected to the inner walls of the extension plates 5, a positioning hole 7 is formed in the middle of the fixed block 4, a positioning column 8 is fixedly connected to the bottom of the inner wall of the fan leaf mounting seat 1, a fixed column 9 is fixedly connected to the bottom of the inner wall of the fan leaf mounting seat 1, and an axle mounting column 10 is arranged in the middle of the fan leaf mounting seat 1. The position of the fixed block 4 is limited through the limiting groove 2, then the positioning hole 7 formed in the middle of the fixed block 4 is butted against the positioning column 8, so that the position of the fixed block 4 is limited, the extension plates 5 and the fixed column 9 are aligned, then the inner walls of the extension plates 5 and the fixed column 9 are threadedly connected through the fastening bolts 6, and the fan leaf 3 is installed and fixed. The operation is simple and convenient, the fan leaf 3 is conveniently and quickly installed and dismounted, the assembly efficiency is improved, only the molds of the fan leaf mounting seat 1, the fixed cover plate 11 and the single-piece fan leaf 3 need to be manufactured during production, the production efficiency is improved, the whole is integrally spliced, transportation is facilitated, and the practicality is improved.

[0029] The surface of the fixed block 4 is slidably connected with the inner wall of the limiting groove 2, and the surface of the extension plate 5 is in contact with the inner wall of the fan leaf mounting seat 1. The position of the fixed block 4 is re-limited through the contact between the extension plate 5 and the inner wall of the fan leaf mounting seat 1, and the stability of the structure is ensured.

[0030] The bottom of the extension plate 5 is in contact with the top of the fixed column 9, and the positioning column 8 is inserted into the positioning hole 7.

[0031] One end of the fastening bolt 6 penetrates through the extension plate 5 and is threadedly connected with the inner wall of the fixed column 9.

[0032] The number of the fixed columns 9 is six, and the six fixed columns 9 are arranged in a circumferential distribution around the fan leaf mounting seat 1.

[0033] The upper end of the fan leaf mounting seat 1 is provided with a fixed cover plate 11, and the bottom of the fixed cover plate 11 is fixedly connected with a clamping piece 12.

[0034] The surface of the fan leaf mounting seat 1 is provided with a clamping groove 13, and one end of the clamping piece 12 is clamped with the inner wall of the clamping groove 13. After the fan leaf 3 is installed, the clamping piece 12 at the bottom of the fixed cover plate 11 is clamped with the clamping groove 13, the fixed cover plate 11 is installed and fixed, and the operation is simple, convenient and fast.

[0035] The implementation principle of the fan structure convenient to assemble in the embodiment of the application is as follows: in use, the position of the fixed block 4 is limited through the limiting groove 2, then the position of the fixed block 4 is limited through the abutment of the positioning hole 7 in the middle of the fixed block 4 and the positioning column 8, the extension plate 5 and the fixed column 9 are aligned, then the extension plate 5 and the fixed column 9 are threadedly connected with the inner wall of the extension plate 5 and the fixed column 9 through the fastening bolt 6, the fan blade 3 is installed and fixed, the operation is simple and convenient, the fan blade 3 is conveniently and quickly installed and disassembled, the assembly efficiency is improved, only the mold of the fan blade mounting seat 1, the fixed cover plate 11 and the single-piece fan blade 3 needs to be manufactured in production, the production efficiency is improved, the whole is spliced, and transportation is facilitated, thereby the practicality is improved, the position of the fixed block 4 is re-limited through the contact of the extension plate 5 and the inner wall of the fan blade mounting seat 1, and then the stability of the structure is ensured, after the fan blade 3 is installed, the clamping piece 12 at the bottom of the fixed cover plate 11 is clamped with the clamping groove 13, and the fixed cover plate 11 is installed and fixed, the operation is simple, convenient and fast.

[0036] The above embodiment is only a preferred embodiment of the utility model, and cannot be used to limit the range of protection of the utility model, and any non-substantial change and replacement made by the person skilled in the art on the basis of the utility model belongs to the range of protection of the utility model.

Claims

1. A leaf structure for easy assembly, characterized in that The utility model relates to a fan blade mounting seat, including the fan blade mounting seat (1), the inner wall of fan blade mounting seat (1) is seted up and is limited to the groove (2), the outside of fan blade mounting seat (1) is provided with the fan blade (3), the one end of fan blade (3) close to fan blade mounting seat (1) is fixedly connected with fixed block (4), the both ends of fixed block (4) are fixedly connected with extension plate (5), the inner wall of extension plate (5) is threadedly connected with fastening bolt (6), the middle part of fixed block (4) is seted up with the positioning hole (7), the inner wall bottom of fan blade mounting seat (1) is fixedly connected with the positioning column (8), the inner wall bottom of fan blade mounting seat (1) is fixedly connected with fixed column (9), the middle part of fan blade mounting seat (1) is provided with the axle mounting column (10).

2. A conveniently assembled leaf structure as claimed in claim 1, wherein: The surface of the fixed block (4) is slidably connected with the inner wall of the limiting groove (2), and the surface of the extension plate (5) is in contact with the inner wall of the fan blade mounting seat (1).

3. A conveniently assembled leaf structure as claimed in claim 1, wherein: The bottom of the extension plate (5) is in contact with the top of the fixed column (9), and the positioning column (8) is inserted into the positioning hole (7).

4. A conveniently assembled leaf structure as claimed in claim 1, wherein: One end of the fastening bolt (6) penetrates through the extension plate (5) and is threadedly connected with the inner wall of the fixed column (9).

5. A conveniently assembled leaf structure as claimed in claim 4, wherein: The number of the fixed column (9) is six, and the six fixed columns (9) are arranged in a circular distribution around the fan blade mounting seat (1).

6. A conveniently assembled leaf structure as claimed in claim 5, wherein: The upper end of the fan blade mounting seat (1) is provided with a fixed cover plate (11), and the bottom of the fixed cover plate (11) is fixedly connected with a clamping piece (12).

7. A conveniently assembled leaf structure as claimed in claim 6, wherein: The surface of the fan blade mounting seat (1) is provided with a clamping groove (13), and one end of the clamping piece (12) is clamped with the inner wall of the clamping groove (13).