CN216554577U

CN216554577U - Cross-flow fan blade with limiting installation structure

Info

Publication number: CN216554577U
Application number: CN202123226218.3U
Authority: CN
Inventors: 高文铭; 何书开
Original assignee: Wuhan Langdi Turbomachinery Co ltd
Current assignee: Wuhan Langdi Turbomachinery Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-17
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a cross-flow fan blade with a limiting installation structure, which comprises a first fixed seat, wherein a second fixed seat is arranged on one side of the first fixed seat, a second limiting cylinder is arranged on the surface of one side of the second fixed seat, a first limiting cylinder is arranged on the surface of one side of the first fixed seat, and a threaded rod is arranged in the middle of the surface of one side of the first fixed seat. According to the utility model, the shaft sleeve is sleeved on the rotating shaft at the output end of the motor, the limiting column on the fastening hoop sleeve extends into the limiting groove on the shaft sleeve, so that the fastening hoop sleeve can be limited, the shaft sleeve and the rotating shaft can be limited and fixed by rotating the bolt on the fastening hoop sleeve, and therefore, the shaft sleeve and the rotating shaft can be conveniently installed, and the use effect of the shaft sleeve can be improved.

Description

Cross-flow fan blade with limiting installation structure

Technical Field

The utility model relates to the technical field of air conditioner accessories, in particular to a cross-flow fan blade with a limiting installation structure.

Background

The cross-flow fan blade is mainly applied to split air conditioners, automobile air conditioners and warm air blowers, has the characteristics of wear resistance, high temperature resistance, corrosion resistance and the like, and is a main constituent part of a cross-flow fan blade balancing machine. The cross-flow fan blade is generally applied to a wall-mounted split internal unit of an air conditioner, and has the working characteristics that: when the impeller does stable rotary motion, gas flows in and out of the blade grids twice, the relative speed of the gas in and out of the blade grids for the first time is in deceleration motion, the relative speed of the gas in and out of the blade grids for the second time is in acceleration motion, the absolute speed of the gas in the whole motion process is in acceleration, the first blade grid in and out is called an air inlet area, the second blade grid in and out is called an air outlet area, and the blade grids can be divided into an air inlet blade grid and an air outlet blade grid according to similar areas.

The current through-flow fan blade has certain limitation when using, if current through-flow fan blade generally lacks spacing mounting structure, when installing with the pivot of motor output end, has the problem of being not convenient for install, has greatly reduced its result of use, and current through-flow fan blade still has the problem of being not convenient for dismantle to be not convenient for thoroughly clear up the blade, greatly reduced its practicality.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the cross-flow fan blade with the limiting installation structure, which has the advantages of convenience in installation, convenience in disassembly and cleaning of the blade and strong practicability, and further solves the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model adopts the following technical scheme: a through-flow fan blade with a limiting installation structure comprises a first fixing seat, wherein a second fixing seat is arranged on one side of the first fixing seat, a second limiting cylinder is arranged on one side surface of the second fixing seat, a first limiting cylinder is arranged on one side surface of the first fixing seat, a threaded rod is arranged in the middle of one side surface of the first fixing seat, a fixing ring is arranged on the threaded rod in a penetrating mode, a blade is arranged between the first limiting cylinder and the second limiting cylinder in a penetrating mode through the fixing ring, a connecting shaft is arranged in the middle of the other side surface of the first fixing seat, a shaft sleeve is arranged at one end of the connecting shaft, a motor is arranged on one side of the shaft sleeve, a rotating shaft is fixedly connected to the output end of the motor, one end of the rotating shaft extends into the shaft sleeve, a fastening hoop sleeve is arranged on the outer side surface of the shaft sleeve, and limiting columns are arranged on the lower surface of the top end and the upper surface of the bottom end of the fastening hoop sleeve, one end of the limiting column extends to the inside of a limiting groove formed in the shaft sleeve, a limiting plate is arranged on one side, located on the limiting column, of the upper surface of the top end and the lower surface of the bottom end of the fastening hoop sleeve, a pressing plate is arranged below the limiting plate, and a strong spring is arranged between the pressing plate and the limiting plate.

Preferably, one end of the threaded rod penetrates through the second fixed seat, and a threaded sleeve is connected to one side of the threaded rod, which is located on the second fixed seat, in a threaded manner.

Preferably, the strong springs are arranged in a plurality, and the strong springs are uniformly distributed between the limiting plate and the pressing plate.

Preferably, the bottom surface of the pressure plate is provided with anti-skid grains.

Preferably, the limiting column and the limiting groove are of circular structures.

Preferably, the pressing plate abuts against the rotating shaft.

Preferably, the pressing plate is of a circular arc structure.

(III) advantageous effects

Compared with the prior art, the utility model provides a cross-flow fan blade with a limiting installation structure, which has the following beneficial effects:

(1) according to the utility model, the shaft sleeve is sleeved on the rotating shaft at the output end of the motor, the limiting column on the fastening hoop sleeve extends into the limiting groove on the shaft sleeve, so that the fastening hoop sleeve can be limited, after the fastening hoop sleeve is limited, the shaft sleeve and the rotating shaft can be limited and fixed by rotating the bolt on the fastening hoop sleeve, so that the shaft sleeve and the rotating shaft can be conveniently installed, the use effect of the shaft sleeve can be improved, and the rotating shaft can be effectively limited and fixed by matching the limiting plate, the pressing plate and the strong spring, so that the rotating shaft and the shaft sleeve can be more firmly connected, and the stability between the rotating shaft and the shaft sleeve can be improved.

(2) According to the blade cleaning device, when the blade needs to be detached and cleaned, the threaded sleeve on the threaded rod is rotated to be separated from the threaded rod, the second fixing base is taken down after the threaded sleeve is separated from the threaded rod, the blade is taken out from the first limiting cylinder on the first fixing base, and then the blade can be detached and cleaned conveniently, so that the blade cleaning effect is improved conveniently, the limitation in use is reduced, and the blade cleaning device is beneficial to improving the practicability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described 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 to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a cross-flow fan blade with a limited mounting structure according to the present invention;

FIG. 2 is an enlarged view A of a cross-flow fan blade with a limiting mounting structure provided by the utility model;

FIG. 3 is a front view of a cross-flow fan blade with a limited mounting structure according to the present invention;

fig. 4 is a schematic structural view of a first fixed seat, a first limiting cylinder and a threaded rod of a cross-flow fan blade with a limiting installation structure provided by the utility model.

Illustration of the drawings:

1. a first fixed seat; 2. a first limiting cylinder; 3. a second limiting cylinder; 4. a second fixed seat; 5. a threaded sleeve; 6. a blade; 7. a fixing ring; 8. a threaded rod; 9. a connecting shaft; 10. a shaft sleeve; 11. a motor; 12. fastening a hoop sleeve; 13. a limiting plate; 14. pressing a plate; 15. a rotating shaft; 16. a strong spring; 17. a limiting column; 18. a limiting groove.

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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a cross-flow fan blade with a limiting installation structure includes a first fixing seat 1, a second fixing seat 4 is disposed on one side of the first fixing seat 1, a second limiting cylinder 3 is disposed on one side surface of the second fixing seat 4, a first limiting cylinder 2 is disposed on one side surface of the first fixing seat 1, a threaded rod 8 is disposed at a middle position of one side surface of the first fixing seat 1, a fixing ring 7 is disposed on the threaded rod 8 in a penetrating manner, a blade 6 is disposed between the first limiting cylinder 2 and the second limiting cylinder 3 in a penetrating manner and is provided with a fixing ring 7, a connecting shaft 9 is disposed at a middle position of the other side surface of the first fixing seat 1, a shaft sleeve 10 is disposed at one end of the connecting shaft 9, a motor 11 is disposed at one side of the shaft sleeve 10, a rotating shaft 15 is fixedly connected to an output end of the motor 11, one end of the rotating shaft 15 extends into the shaft sleeve 10, a fastening hoop sleeve 12 is disposed on an outer side surface of the shaft sleeve 10, the lower surface of the top end and the upper surface of the bottom end of the fastening hoop sleeve 12 are provided with limiting posts 17, one end of each limiting post 17 extends into a limiting groove 18 formed in the shaft sleeve 10, a limiting plate 13 is arranged on one side, located on the limiting post 17, of the upper surface of the top end and the lower surface of the bottom end of the fastening hoop sleeve 12, a pressing plate 14 is arranged below the limiting plate 13, and a strong spring 16 is arranged between the pressing plate 14 and the limiting plate 13, the shaft sleeve 10 is firstly sleeved on a rotating shaft 15 at the output end of the motor 11, then the limiting posts 17 on the fastening hoop sleeve 12 extend into the limiting grooves 18 on the shaft sleeve 10, so that the fastening hoop sleeve 12 can be limited, after the fastening hoop sleeve 12 is limited, the shaft sleeve 10 and the rotating shaft 15 can be limited and fixed by rotating bolts on the fastening hoop sleeve 12, and therefore, the mounting of the fastening hoop sleeve is convenient, the use effect of the fastening hoop sleeve is improved, wherein the limiting plates 13, the pressing plate 14 and the strong spring 16 are matched for use, can effectively carry out spacing fixed to pivot 15 for pivot 15 is connected with axle sleeve 10 more firmly, thereby is convenient for improve the stability between pivot 15 and the axle sleeve 10.

In one embodiment, one end of the threaded rod 8 penetrates through the second fixing seat 4, a threaded sleeve 5 is connected to one side of the threaded rod 8, which is located on the second fixing seat 4, through rotating the threaded sleeve 5 on the threaded rod 8, the threaded sleeve 5 is separated from the threaded rod 8, after the threaded sleeve 5 is separated from the threaded rod 8, the second fixing seat 4 is taken down, and the blade 6 can be detached by drawing the blade 6 out of the first limiting barrel 2 on the first fixing seat 1, so that the blade 6 can be cleaned conveniently.

In one embodiment, the strong springs 16 are provided in plurality, and the strong springs 16 are uniformly distributed between the limiting plate 13 and the pressing plate 14, wherein the limiting plate 13, the pressing plate 14 and the strong springs 16 are used in cooperation, so that the rotating shaft 15 can be effectively limited and fixed, the rotating shaft 15 is more firmly connected with the shaft sleeve 10, and the stability between the rotating shaft 15 and the shaft sleeve 10 is improved.

In one embodiment, the bottom surface of the pressing plate 14 is provided with anti-slip lines, wherein the anti-slip effect of the pressing plate 14 can be effectively increased through the use of the anti-slip lines, so that the rotating shaft 15 is conveniently limited.

In one embodiment, the position-limiting post 17 and the position-limiting groove 18 are circular structures, wherein the position-limiting post 17 extends into the position-limiting groove 18 on the shaft sleeve 10 to limit the position of the fastening hoop 12.

In one embodiment, the pressure plate 14 abuts against the rotating shaft 15 to facilitate the limiting of the rotating shaft 15.

In one embodiment, the pressing plate 14 has a circular arc structure, so as to improve the limiting and fixing effect on the rotating shaft 15.

The working principle is as follows:

when the blade fixing device is used, firstly, the shaft sleeve 10 is sleeved on the rotating shaft 15 at the output end of the motor 11, then the limiting column 17 on the fastening hoop sleeve 12 extends into the limiting groove 18 on the shaft sleeve 10, so that the fastening hoop sleeve 12 can be limited, after the fastening hoop sleeve 12 is limited, the shaft sleeve 10 and the rotating shaft 15 can be limited and fixed by rotating the bolt on the fastening hoop sleeve 12, so that the blade fixing device is convenient to mount and is beneficial to improving the use effect of the blade fixing device, wherein the shaft 15 can be effectively limited and fixed by matching the limiting plate 13, the pressing plate 14 and the strong spring 16, so that the rotating shaft 15 and the shaft sleeve 10 are more firmly connected, so that the stability between the rotating shaft 15 and the shaft sleeve 10 is convenient to improve, when the blade 6 needs to be dismounted and cleaned, the threaded sleeve 5 and the threaded rod 8 are separated by rotating the threaded sleeve 5 on the threaded rod 8, and after the threaded sleeve 5 and the threaded rod 8 are separated, take off second fixing base 4, take out blade 6 from first spacing section of thick bamboo 2 on first fixing base 1 and can dismantle blade 6, be convenient for clear up blade 6 to be convenient for improve the clearance effect to blade 6, reduced the limitation when using, be favorable to improving its practicality.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A through-flow fan blade with a limiting installation structure comprises a first fixing seat (1) and is characterized in that a second fixing seat (4) is arranged on one side of the first fixing seat (1), a second limiting cylinder (3) is arranged on one side surface of the second fixing seat (4), a first limiting cylinder (2) is arranged on one side surface of the first fixing seat (1), a threaded rod (8) is arranged in the middle of one side surface of the first fixing seat (1), a fixing ring (7) penetrates through the threaded rod (8), a blade (6) is arranged between the first limiting cylinder (2) and the second limiting cylinder (3) in a penetrating mode through the fixing ring (7), a connecting shaft (9) is arranged in the middle of the other side surface of the first fixing seat (1), a shaft sleeve (10) is arranged at one end of the connecting shaft (9), a motor (11) is arranged on one side of the shaft sleeve (10), and the output fixedly connected with pivot (15) of motor (11), the one end of pivot (15) extends to the inside of axle sleeve (10), the outside surface of axle sleeve (10) is equipped with fastening hoop cover (12), and the top lower surface and the bottom upper surface of fastening hoop cover (12) are equipped with spacing post (17), the one end of spacing post (17) extends to the inside of the spacing groove (18) of seting up on axle sleeve (10), one side that the top upper surface and the bottom lower surface of fastening hoop cover (12) are located spacing post (17) is equipped with limiting plate (13), and the below of limiting plate (13) is equipped with clamp plate (14), be equipped with powerful spring (16) between clamp plate (14) and limiting plate (13).

2. A cross-flow fan blade with a limit mounting structure according to claim 1, wherein one end of the threaded rod (8) penetrates through the second fixing seat (4), and a threaded sleeve (5) is connected to one side of the threaded rod (8) on the second fixing seat (4) in a threaded manner.

3. A cross-flow fan blade with a limit mounting structure according to claim 1, wherein the strong springs (16) are provided in plurality, and the strong springs (16) are uniformly distributed between the limit plate (13) and the pressure plate (14).

4. A through-flow fan blade with a limited mounting structure according to claim 1, characterized in that the bottom surface of the pressure plate (14) is provided with anti-slip threads.

5. A through-flow fan blade with a limit mounting structure according to claim 1, characterized in that the limit post (17) and the limit groove (18) are circular structures.

6. A through-flow fan blade with a limited mounting structure according to claim 1, characterized in that the pressure plate (14) abuts against the rotating shaft (15).

7. A through-flow fan blade with a limited mounting structure according to claim 1, characterized in that the pressure plate (14) is of a circular arc structure.