Cross-flow fan blade convenient to disassemble and assemble

By designing the connection and installation structures, the problems of cumbersome disassembly and assembly and high noise levels of traditional cross-flow fan blades are solved, achieving convenient disassembly and assembly of cross-flow fan blades and noise reduction effect, thus improving user maintenance experience and comfort.

CN223806343UActive Publication Date: 2026-01-16QINGDAO LANGDI IMPELLER MASCH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520081072.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2026-01-16
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

Traditional cross-flow fan blades require complete replacement when the blades are damaged, which is time-consuming and laborious, and the disassembly and assembly process is cumbersome, affecting the user's ease of maintenance and usability.

Method used

A cross-flow fan blade including a connection structure, an installation structure, and a noise reduction structure was designed. It can be quickly disassembled through a connecting sleeve, a limiting shaft, and a fixing bolt, and can be easily installed through a mounting plate and a mounting bolt. It also reduces operating noise by absorbing wind noise through a sponge.

Benefits of technology

It enables convenient disassembly and replacement of cross-flow fan blades, improving maintenance convenience, while reducing operating noise and enhancing user comfort.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223806343U_ABST
    Figure CN223806343U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of cross-flow fan blades, and provides a cross-flow fan blade convenient to disassemble and assemble, which comprises a first fan blade assembly, and the first fan blade assembly comprises a first fan blade body, a first end plate and a first connecting plate. The connecting structure is arranged, the connecting sleeve is taken down from the outer side of the first connecting plate and the outer side of the second connecting plate, then the mounting bolt is taken out from the interior of the mounting shaft, the mounting shaft and the mounting base are separated, the first fan blade assembly moves towards the direction of the through groove till the limiting shaft is taken out from the interior of the limiting groove, and then the fan blade assembly is assembled. The first fan blade assembly and the second fan blade assembly can be completely separated, at the moment, the first fan blade assembly is lifted upwards, the first fan blade assembly can be taken down and replaced, if the second fan blade assembly needs to be replaced, the operation can be repeated, and the function that the first fan blade assembly or the second fan blade assembly can be conveniently maintained and replaced is achieved; and the convenience and applicability of the cross-flow fan blade convenient to disassemble and assemble during use are improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to cross-flow fan blade technical field, especially a cross-flow fan blade convenient to dismount. BACKGROUND

[0002] With the popularization of household appliances and the improvement of consumer's demand for life quality, cross-flow fan blade as a key component of air conditioner, air purifier and other equipment, its performance, stability and maintainability are more and more concerned by consumers. The traditional cross-flow fan blade often needs to use special tools in the dismounting process, and the steps are complicated, which brings inconvenience to the user's maintenance and cleaning. Therefore, a cross-flow fan blade convenient to dismount needs to be designed.

[0003] Therefore, the patent with the publication number CN210317894U discloses a cross-flow fan blade convenient to dismount, which comprises a left end plate and a right end plate. The center of the left end plate and the right end plate is fixedly installed with a rotating shaft. The side of the left end plate and the right end plate close to each other is fixedly installed with a first fan blade and a second fan blade which are uniformly distributed. The end of the first fan blade and the second fan blade close to each other is fixedly installed with a partition plate. The left and right sides of the partition plate are fixedly installed with mounting blocks which are uniformly distributed. The side of the mounting block away from the partition plate is provided with a groove. The outer surface of the left and right ends of the rotating shaft is movably installed with a disc. The outer surface of the disc is fixedly installed with springs which are uniformly distributed. The end of the spring away from the disc is fixedly installed with a sector plate. The side of the sector plate is fixedly installed with a fixed block. The side of the fixed block away from the sector plate is fixedly installed with a connecting block. The side of the connecting block away from the sector plate is fixedly installed with a handle. The utility model can quickly complete the installation of the cross-flow fan blade, and the operation is simple and convenient.

[0004] Although the cross-flow fan blade in the above can facilitate the installation of the cross-flow fan blade during use, the cross-flow fan blade needs to be replaced as a whole when the blade is damaged, which is time-consuming and laborious. Therefore, a cross-flow fan blade convenient to dismount needs to be designed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a cross-flow fan blade convenient to dismount, which solves the defect that the existing cross-flow fan blade needs to be replaced as a whole when the blade is damaged, which is time-consuming and laborious.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a cross-flow fan blade convenient to dismount, which comprises a first fan blade assembly.

[0007] The first fan blade assembly comprises a first fan blade body, a first end plate and a first connecting plate, one side of the first end plate is uniformly fixed with the first fan blade body, one side of the first fan blade body away from the first end plate is uniformly fixed with the first connecting plate, one side of the first connecting plate is provided with a second fan blade assembly, the second fan blade assembly comprises a second fan blade body, a second end plate and a second connecting plate, the second connecting plate is arranged on one side of the first connecting plate, one side of the second connecting plate away from the first connecting plate is uniformly fixed with the second end plate at one end;

[0008] The outer sides of the first connecting plate and the second connecting plate are uniformly provided with connecting structures, the connecting structures comprise connecting sleeves, limiting shafts, limiting grooves and fixing bolts, the connecting sleeves are uniformly arranged on the outer sides of the first connecting plate and the second connecting plate, the fixing bolts are penetrated through the two sides of the connecting sleeve, the limiting grooves are uniformly opened on the side of the second connecting plate close to the first connecting plate, and the limiting shafts are uniformly arranged in the limiting grooves;

[0009] The side of the first end plate and the side of the second end plate are fixed with mounting structures, and the sides of the first end plate and the first connecting plate and the sides of the second end plate and the second connecting plate are fixed with noise reduction structures.

[0010] Further, the mounting structure comprises a mounting plate, a mounting seat, a through groove, a mounting shaft and a mounting bolt, the mounting plate is arranged on the side of the first end plate and the second end plate respectively, the mounting seat is fixed on the side of the mounting plate, the through groove is opened at the top of the mounting seat, the mounting shaft is arranged in the through groove, and the mounting bolt is threadedly connected to the two sides in the mounting seat.

[0011] Further, one end of the mounting shaft away from the mounting seat is fixedly connected with the outer wall of the first end plate and the outer wall of the second end plate respectively, and one end of the mounting bolt extends into the mounting shaft.

[0012] Further, the noise reduction structure comprises a mounting groove, an adhesive layer and a sponge, the mounting groove is opened on the side of the first end plate and the first connecting plate and the side of the second end plate and the second connecting plate, the adhesive layer is arranged in the mounting groove, and the sponge is fixed on the side of the adhesive layer.

[0013] Further, the sponge is symmetrically distributed at two ends of the first fan blade body and the second fan blade body respectively.

[0014] Further, the connecting sleeves are equally spaced on the outer sides of the first connecting plate and the second connecting plate, and one end of the fixing bolt extends into the first connecting plate and the second connecting plate respectively.

[0015] Further, the limiting shaft and the second connecting plate constitute a clamping structure through the limiting groove, and the limiting shafts are equally spaced on the outer side of the first connecting plate.

[0016] The utility model provides a convenient to dismount's through flow fan blade, its advantage lies in:

[0017] Through being provided with connecting structure, the fixed peg is taken out from the inside of connecting sleeve, can take down connecting sleeve from the outside of first connecting plate and second connecting plate, first connecting plate and second connecting plate are in the snap -fit connection state at this moment, subsequently take out the mounting peg from the inside of the mounting shaft, make mounting shaft and mounting seat separate, move first fan blade assembly to the direction of through groove, until the limiting shaft is taken out from the inside of limiting groove, can separate first fan blade assembly and second fan blade assembly completely, at this moment, lift first fan blade assembly upward, can take down first fan blade assembly and replace, if need to replace second fan blade assembly, can repeat the above operation, realized the device has the function of being convenient for the maintenance replacement of first fan blade assembly or second fan blade assembly, improved the convenience and applicability of the convenient to dismount's through flow fan blade when using,

[0018] Through being provided with mounting structure, mounting plate and the position needing installation are fixedly connected through bolt, subsequently place mounting shaft in the inside of through groove, rotate mounting peg, until the one end of mounting peg extends to the inside of mounting shaft can mounting shaft and mounting seat fixedly connect, complete the installation of one end of first fan blade assembly and second fan blade assembly, one end of first fan blade assembly and second fan blade assembly is fixedly connected through connecting structure, realized the device has the function of being convenient for installation and dismounting, improved the convenience of the through flow fan blade when using,

[0019] Through being provided with the noise reduction structure, when wind hits one side of first end plate or first connecting plate or one side of second end plate or second connecting plate in the flow process, the sound produced when sponge absorbs wind impact is reduced, the noise of through flow fan blade when running is reduced, realized the device has the function of noise reduction, improved the comfort of the through flow fan blade when using. ACCURACY OF DRAWINGS

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

[0021] Figure 2 It is the front view cross section structure schematic diagram of the utility model;

[0022] Figure 3 It is the Figure 2 It is the enlarged structure schematic diagram of A place in the middle;

[0023] Figure 4 It is the front view cross section three-dimensional structure schematic diagram of the utility model;

[0024] Figure 5 It is the side view cross section structure schematic diagram of the utility model;

[0025] Figure 6 The utility model discloses a top view cross section three -dimensional structure schematic diagram.

[0026] The figure mark explanation: 1, first fan blade subassembly;11, first fan blade body;12, first end plate;13, first connecting plate;2, mounting structure;21, mounting plate;22, mounting seat;23, through slot;24, mounting shaft;25, mounting bolt;3, noise reduction structure;31, mounting groove;32, adhesive layer;33, sponge;4, connecting structure;41, connecting sleeve;42, limit shaft;43, limit slot;44, fixed bolt;5, second fan blade subassembly;51, second fan blade body;52, second end plate;53, second connecting plate. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0028] Please refer to Figures 1-6 The utility model provides a kind of convenient to disassemble's cross flow fan blade, including first fan blade subassembly 1.

[0029] Refer to Figures 1-6The first fan blade assembly 1 comprises a first fan blade body 11, a first end plate 12 and a first connecting plate 13. The first end plate 12 is uniformly fixed with the first fan blade body 11 on one side. The first fan blade body 11 is uniformly fixed with the first connecting plate 13 on the side away from the first end plate 12. The first connecting plate 13 is provided with the second fan blade assembly 5 on one side. The second fan blade assembly 5 comprises a second fan blade body 51, a second end plate 52 and a second connecting plate 53. The second connecting plate 53 is arranged on one side of the first connecting plate 13. The second connecting plate 53 is uniformly fixed with the second fan blade body 51 on the side away from the first connecting plate 13. The second fan blade body 51 is uniformly fixed with the second end plate 52 on one end. The first connecting plate 13 and the second connecting plate 53 are uniformly provided with the connecting structure 4 on the outer side. The connecting structure 4 comprises a connecting sleeve 41, a limiting shaft 42, a limiting groove 43 and a fixing bolt 44. The connecting sleeve 41 is uniformly arranged on the outer side of the first connecting plate 13 and the second connecting plate 53. The fixing bolt 44 penetrates through both sides in the connecting sleeve 41. The limiting groove 43 is uniformly arranged on one side of the second connecting plate 53 close to the first connecting plate 13. The limiting groove 43 is uniformly provided with the limiting shaft 42 in the inside. The connecting sleeve 41 is equally distributed on the outer side of the first connecting plate 13 and the second connecting plate 53. One end of the fixing bolt 44 extends to the inside of the first connecting plate 13 and the second connecting plate 53 respectively. The limiting shaft 42 and the second connecting plate 53 form a clamping structure through the limiting groove 43. The limiting shaft 42 is equally distributed on the outer side of the first connecting plate 13.

[0030] The fixing bolt 44 is taken out from the inside of the connecting sleeve 41. Then the connecting sleeve 41 can be taken off from the outer side of the first connecting plate 13 and the second connecting plate 53. At this time, the first connecting plate 13 and the second connecting plate 53 are in a clamping connection state. Then the mounting bolt 25 is taken out from the inside of the mounting shaft 24, so that the mounting shaft 24 and the mounting seat 22 are separated. The first fan blade assembly 1 is moved towards the through groove 23 until the limiting shaft 42 is taken out from the inside of the limiting groove 43. The first fan blade assembly 1 and the second fan blade assembly 5 can be completely separated. At this time, the first fan blade assembly 1 is lifted upwards. Then the first fan blade assembly 1 can be taken off and replaced. If the second fan blade assembly 5 needs to be replaced, the above operation can be repeated.

[0031] Referring to Figure 1 , Figure 2 , Figure 4 and Figure 6The side of the first end plate 12 and the side of the second end plate 52 are both fixed with a mounting structure 2, the mounting structure 2 comprises a mounting plate 21, a mounting seat 22, a through slot 23, a mounting shaft 24 and a mounting bolt 25, the mounting plate 21 is arranged on the side of the first end plate 12 and the side of the second end plate 52 respectively, the side of the mounting plate 21 is both fixed with the mounting seat 22, the top of the mounting seat 22 is both provided with the through slot 23, the inside of the through slot 23 is both provided with the mounting shaft 24, the inside of the mounting seat 22 is both screw-connected with the mounting bolt 25, the end, away from the mounting seat 22, of the mounting shaft 24 is respectively fixedly connected with the outer wall of the first end plate 12 and the outer wall of the second end plate 52, and the end of the mounting bolt 25 is both extended into the inside of the mounting shaft 24.

[0032] The mounting plate 21 and the position, which needs to be mounted, are fixedly connected through bolts, then the mounting shaft 24 is placed in the inside of the through slot 23, the mounting bolt 25 is rotated until the end of the mounting bolt 25 is extended into the inside of the mounting shaft 24, so that the mounting shaft 24 and the mounting seat 22 are fixedly connected, the installation of one end of the first fan blade assembly 1 and the second fan blade assembly 5 is completed, and the end, which is close to each other, of the first fan blade assembly 1 and the second fan blade assembly 5 is fixedly connected through the connecting structure 4.

[0033] Referring to Figure 2 and Figures 4-6 The side of the first end plate 12 and the side of the first connecting plate 13 and the side of the second end plate 52 and the side of the second connecting plate 53 are both fixed with a noise reduction structure 3, the noise reduction structure 3 comprises a mounting slot 31, an adhesive layer 32 and a sponge 33, the mounting slot 31 is arranged on the side of the first end plate 12 and the side of the first connecting plate 13 and the side of the second end plate 52 and the side of the second connecting plate 53, the inside of the mounting slot 31 is both provided with the adhesive layer 32, the side of the adhesive layer 32 is both fixed with the sponge 33, and the sponge 33 is symmetrically distributed at the two ends of the first fan blade body 11 and the second fan blade body 51 respectively.

[0034] When the wind hits the side of the first end plate 12 or the first connecting plate 13 or the side of the second end plate 52 or the second connecting plate 53 in the flowing process, the sponge 33 can absorb the sound generated when the wind hits, so as to reduce the noise of the cross-flow fan blade in operation.

[0035] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A cross-flow fan blade convenient to disassemble, comprising a first fan blade assembly (1); Characterized in that: The first fan blade assembly (1) comprises a first fan blade body (11), a first end plate (12) and a first connecting plate (13), one side of the first end plate (12) is uniformly fixed with the first fan blade body (11), and one side of the first fan blade body (11) away from the first end plate (12) is uniformly fixed with the first connecting plate (13), one side of the first connecting plate (13) is provided with a second fan blade assembly (5), the second fan blade assembly (5) comprises a second fan blade body (51), a second end plate (52) and a second connecting plate (53), the second connecting plate (53) is arranged on one side of the first connecting plate (13), and one side of the second connecting plate (53) away from the first connecting plate (13) is uniformly fixed with the second fan blade body (51), and one end of the second fan blade body (51) is uniformly fixed with the second end plate (52); The outer sides of the first connecting plate (13) and the second connecting plate (53) are uniformly provided with connecting structures (4), the connecting structure (4) comprises a connecting sleeve (41), a limiting shaft (42), a limiting groove (43) and a fixing bolt (44), the connecting sleeve (41) is uniformly arranged on the outer sides of the first connecting plate (13) and the second connecting plate (53), the fixing bolt (44) penetrates the two sides in the connecting sleeve (41), the limiting groove (43) is uniformly arranged on one side of the second connecting plate (53) close to the first connecting plate (13), and the limiting shaft (42) is uniformly arranged in the limiting groove (43). One side of the first end plate (12) and one side of the second end plate (52) are fixed with mounting structures (2), and one side of the first end plate (12) and the first connecting plate (13) and one side of the second end plate (52) and the second connecting plate (53) are fixed with noise reduction structures (3).

2. The cross-flow fan blade of claim 1, wherein: The mounting structure (2) comprises a mounting plate (21), a mounting seat (22), a through groove (23), a mounting shaft (24) and a mounting bolt (25), one side of the first end plate (12) and the second end plate (52) is respectively provided with the mounting plate (21), one side of the mounting plate (21) is fixed with the mounting seat (22), the top of the mounting seat (22) is provided with the through groove (23), the inside of the through groove (23) is provided with the mounting shaft (24), and the two sides in the mounting seat (22) are threadedly connected with the mounting bolt (25).

3. The easy-to-assemble / disassemble cross-flow fan blade according to claim 2, characterized in that: One end of the mounting shaft (24) away from the mounting seat (22) is fixedly connected with the outer wall of the first end plate (12) and the outer wall of the second end plate (52) respectively, and one end of the mounting bolt (25) extends into the inside of the mounting shaft (24).

4. The easy-to-assemble / disassemble cross-flow fan blade according to claim 1, wherein: The noise reduction structure (3) comprises a mounting groove (31), an adhesive layer (32) and a sponge (33), the mounting groove (31) is arranged on one side of the first end plate (12) and the first connecting plate (13) and one side of the second end plate (52) and the second connecting plate (53), the inside of the mounting groove (31) is provided with the adhesive layer (32), and one side of the adhesive layer (32) is fixed with the sponge (33).

5. The easy-to-assemble / disassemble cross-flow fan blade according to claim 4, characterized in that: The sponge (33) is symmetrically distributed at two ends of the first fan blade body (11) and the second fan blade body (51) respectively.

6. The easy-to-assemble / disassemble cross-flow fan blade according to claim 1, wherein: The connecting sleeves (41) are equidistantly distributed on the outside of the first connecting plate (13) and the second connecting plate (53), and one end of the fixing bolt (44) extends into the inside of the first connecting plate (13) and the second connecting plate (53) respectively.

7. The easy-to-assemble / disassemble cross-flow fan blade according to claim 1, wherein: The limiting shaft (42) and the second connecting plate (53) constitute a clamping structure through the limiting groove (43), and the limiting shaft (42) is equidistantly distributed on the outside of the first connecting plate (13).

Citation Information

Patent Citations

  • Cross-flow fan blade convenient to disassemble and assemble

    CN210317894U