Coupling cover of fan

By designing a split coupling cover, the problem of gaps in existing coupling covers was solved, achieving full enclosure of the rotating parts of the fan motor and bearing housing, thus improving the safety of the fan.

CN223676569UActive Publication Date: 2025-12-16GUANGDONG HUAYANG FAN CO LTD
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Patent Information

Application Number
CN202520283919.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2025-12-16
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

The existing coupling cover structure has a large gap, which allows foreign objects to easily come into contact with the rotating parts, thus compromising safety.

Method used

A split-type coupling cover is adopted, including a first cover and a second cover, which are installed together by bolts 53 to form the coupling cover. The coupling cover has a receiving cavity inside, insertion ports at both ends, and mounting holes on the flange. The first cover and the second cover are installed together by bolts 53 to form the coupling cover. The coupling cover has mounting flanges and mounting holes, and is fixed to the bearing seat of the fan by screws.

Benefits of technology

This design achieves complete enclosure of the rotating components between the fan motor and the bearing housing, preventing contact with foreign objects and improving the safety of the fan.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a coupling cover of a fan, which comprises a first cover body and a second cover body, and the first cover body and the second cover body are detachably mounted together to form the coupling cover. A first insertion opening is formed in one end of the containing cavity, and a second insertion opening is formed in the other end of the containing cavity. The coupler cover of the fan is of a split structure, can completely wrap a rotating part between a motor and a bearing seat of the fan, prevents foreign objects from touching the rotating part, and improves safety of the fan.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to fan technical field relates to a fan's shaft coupling cover. BACKGROUND

[0002] Fan is a kind of ventilation and air-blast equipment, is widely used in factory, mine, tunnel, cooling tower, vehicle, ship and the ventilation, dust removal and cooling of building, the ventilation and air-blast of boiler and industrial furnace.Referring to Figure 2 And Figure 3 The existing fan, including support frame 1, support frame 1 is installed motor 2 and bearing seat 4, bearing seat 4 is equipped with transmission shaft, the impeller of fan is installed at the one end of transmission shaft, the other end of transmission shaft is connected to the rotating shaft of motor 2 through shaft coupling, support frame 1 is installed shaft coupling cover 3, shaft coupling cover 3 covers shaft coupling and the rotating shaft of motor 2 and the transmission shaft of bearing seat 4.

[0003] The structure of the existing shaft coupling cover 3 is as shown in Figure 1 The outline of shaft coupling cover 3 is "n" shape, and the deficiency of this shaft coupling cover 3 is that: shaft coupling cover 3 is half-wrapped structure and covers the rotating parts (shaft coupling and the rotating shaft of motor 2 and the transmission shaft of bearing seat 4) of fan, and there is a large gap between motor 2 and shaft coupling cover 3 and between bearing seat 4 and shaft coupling cover 3, so that foreign matter can easily touch the rotating parts, therefore, shaft coupling cover 3 covers the rotating parts incompletely, and there is a certain security risk, and the safety is not high enough. INVENTION CONTENTS

[0004] The utility model aims at providing a kind of fan's shaft coupling cover to solve the above technical problems.

[0005] To solve the above technical problems, the utility model adopts the technical scheme that a kind of fan's shaft coupling cover, including first cover body and second cover body, the first cover body with the second cover body can be installed together, to form the shaft coupling cover;

[0006] The shaft coupling cover is equipped with containing cavity, one end of the containing cavity is equipped with first insertion port, and the other end is equipped with second insertion port;

[0007] The shaft coupling is also equipped with outwardly extending installation flange, and the installation flange is equipped with mounting hole.

[0008] Further, the first cover body is equipped with outwardly extending first flange, and the first flange is equipped with first through-hole;The second cover body is equipped with outwardly extending second flange, and the second flange is equipped with second through-hole, and the first cover body and the second cover body are installed together by bolt.

[0009] Further, the first cover body is provided with a first cavity, one end of the first cavity is provided with a first opening, and the other end is provided with a second opening; the second cover body is provided with a second cavity, one end of the second cavity is provided with a third opening, and the other end is provided with a fourth opening; the first cavity and the second cavity form the containing cavity, the first opening and the third opening form the first insertion opening, and the second opening and the fourth opening form the second insertion opening.

[0010] Further, a plurality of first covering edges extending inwardly are arranged at the second opening of the first cover body.

[0011] Further, five first covering edges extending inwardly are arranged at the second opening of the first cover body.

[0012] Further, a plurality of second covering edges extending inwardly are arranged at the fourth opening of the second cover body.

[0013] Further, five second covering edges extending inwardly are arranged at the fourth opening of the second cover body.

[0014] Further, the shaft coupling cover is also provided with mounting flanges extending outwardly, the mounting flanges are provided with mounting holes, the shaft coupling cover is fixed to the bearing seat of the fan through screws, and one end of the shaft coupling cover is connected to one end of the bearing seat of the fan.

[0015] Further, the number of the mounting flanges is four, two mounting flanges extending outwardly are arranged at the first opening of the first cover body, and two mounting flanges extending outwardly are arranged at the third opening of the second cover body.

[0016] Further, the shaft coupling cover has a regular octagonal shape.

[0017] The shaft coupling cover of the fan has a split structure, can fully wrap the rotating part between the motor and the bearing seat of the fan, avoids external objects from touching the rotating part, and improves the safety of the fan. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a perspective view of the existing shaft coupling cover.

[0019] Figure 2 It is a structural schematic view of the existing shaft coupling cover when the existing shaft coupling cover is installed on the fan.

[0020] Figure 3 It is Figure 2 It is an enlarged view of I in FIG.

[0021] Figure 4 It is a first perspective view of the shaft coupling cover of the embodiment of the utility model.

[0022] Figure 5 is the second perspective view of the coupling cover of the utility model embodiment.

[0023] Figure 6 is the first perspective view of the first cover body of the utility model embodiment.

[0024] Figure 7 is the second perspective view of the first cover body of the utility model embodiment.

[0025] Figure 8 is the first perspective view of the second cover body of the utility model embodiment.

[0026] Figure 9 is the second perspective view of the second cover body of the utility model embodiment.

[0027] Figure 10 is the structural schematic view of the coupling cover of the utility model embodiment when being installed in the bearing seat.

[0028] Figure 11 is the structural schematic view of the second cover body of the utility model embodiment when being installed in the bearing seat.

[0029] Explanation of reference signs:

[0030] Support frame 1, motor 2, coupling cover 3 of prior art, bearing seat 4, coupling cover 5 of the utility model, screw 6, coupling 7;

[0031] Transmission shaft 41;

[0032] First cover body 51, second cover body 52, bolt 53, first insertion port 54, second insertion port 55, installation flange 56, installation hole 57;

[0033] First flange 511, first through hole 512, first opening 513, first cover edge 514, second opening 515;

[0034] Second flange 521, second through hole 522, third opening 523, second cover edge 524, fourth opening 525. DETAILED DESCRIPTION

[0035] The technical scheme in the utility model embodiments will be described clearly and completely below in conjunction with the drawings 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 labor fall within the protection scope of the utility model.

[0036] As Figure 4 andFigure 5 The coupling cover 5 of the fan of the present embodiment is in the shape of a regular octagon, which comprises a first cover body 51 and a second cover body 52, and the first cover body 51 and the second cover body 52 are detachably mounted together to form the coupling cover 5.

[0037] The coupling cover 5 is provided with a receiving cavity for receiving the coupling 7, and one end of the receiving cavity is provided with a first insertion opening 54, and the other end is provided with a second insertion opening 55.

[0038] Referring to Figure 6 and Figure 7 , the two sides of the first cover body 51 are respectively provided with outwardly extending first flanges 511, and the first flanges 511 are provided with a first through hole 512. Referring to Figure 8 and Figure 9 , the two sides of the second cover body 52 are respectively provided with outwardly extending second flanges 521, and the second flanges 521 are provided with a second through hole 522. The first flanges 511 of the first cover body 51 correspond to the second flanges 521 of the second cover body 52, and the first cover body 51 and the second cover body 52 are mounted together by bolts 53 to form the coupling cover 5.

[0039] Referring to Figure 6 and Figure 7 , the first cover body 51 is provided with a first cavity, one end of the first cavity is provided with a first opening 513, and the other end is provided with a second opening 515. Referring to Figure 8 and Figure 9 , the second cover body 52 is provided with a second cavity, one end of the second cavity is provided with a third opening 523, and the other end is provided with a fourth opening 525. The first cavity and the second cavity form the receiving cavity, the first opening 513 and the third opening 523 form the first insertion opening 54, and the second opening 515 and the fourth opening 525 form the second insertion opening 55. Preferably, five inwardly extending first cover edges 514 are formed on the first cover body 51 at the second opening 515. Five inwardly extending second cover edges 524 are formed on the second cover body 52 at the fourth opening 525.

[0040] The coupling cover 5 is also provided with four outwardly extending mounting flanges 56, and the mounting flanges 56 are provided with mounting holes 57. Two outwardly extending mounting flanges 56 are formed on the first cover body 51 at the first opening 513, and two outwardly extending mounting flanges 56 are formed on the second cover body 52 at the third opening 523.

[0041] When the coupling cover 5 of the fan of the present embodiment is mounted on the bearing seat 4, as shown in Figure 10As shown, the screw rod of the screw 6 is screwed through the mounting hole 57 of the mounting flange 56 and one end of the bearing seat 4, so as to realize the mounting of the shaft coupling cover 5 on one end of the bearing seat 4, and one end of the shaft coupling cover 5 is connected with one end of the bearing seat 4. Figure 11 The shaft coupling 7 on the transmission shaft 41 of the bearing seat 4 is located in the accommodating cavity of the shaft coupling cover 5, one end of the transmission shaft 41 of the bearing seat 4 is inserted into the accommodating cavity of the shaft coupling cover 5 from the first insertion opening 54 and connected with the shaft coupling 7, the rotating shaft of the motor of the fan is inserted into the accommodating cavity of the shaft coupling cover 5 from the second insertion opening 55 and connected with the shaft coupling 7, and one end of the motor of the fan is attached to one end of the shaft coupling cover 5.

[0042] The shaft coupling cover of the fan is of a split type structure, can fully wrap the rotating part between the motor and the bearing seat of the fan, has no large gap between the motor and the shaft coupling cover and between the bearing seat and the shaft coupling cover, avoids the contact of foreign matters with the rotating part, and improves the safety of the fan.

[0043] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A coupling boot for a fan, characterized by, The coupling cover (5) comprises a first cover body (51) and a second cover body (52), the first cover body (51) and the second cover body (52) are detachably mounted together to form the coupling cover (5). The coupling cover (5) is provided with a containing cavity, one end of the containing cavity is provided with a first insertion opening (54), and the other end is provided with a second insertion opening (55).

2. The coupling boot of claim 1, wherein, The first cover body (51) is provided with a first flange (511) extending outward, and the first flange (511) is provided with a first through hole (512); the second cover body (52) is provided with a second flange (521) extending outward, and the second flange (521) is provided with a second through hole (522); the first cover body (51) and the second cover body (52) are mounted together by bolts (53).

3. The coupling boot of claim 1, wherein, The first cover body (51) is provided with a first cavity, one end of the first cavity is provided with a first opening (513), and the other end is provided with a second opening (515); the second cover body (52) is provided with a second cavity, one end of the second cavity is provided with a third opening (523), and the other end is provided with a fourth opening (525); the first cavity and the second cavity form the containing cavity, the first opening (513) and the third opening (523) form the first insertion opening (54), and the second opening (515) and the fourth opening (525) form the second insertion opening (55).

4. The coupling boot of claim 3, wherein, The first cover body (51) is provided with a plurality of first cover edges (514) extending inward at the second opening (515).

5. The coupling boot of claim 4, wherein, The first cover body (51) is provided with five first cover edges (514) extending inward at the second opening (515).

6. The coupling boot of claim 3, wherein, The second cover body (52) is provided with a plurality of second cover edges (524) extending inward at the fourth opening (525).

7. The coupling boot of claim 6, wherein, The second cover body (52) is provided with five second cover edges (524) extending inward at the fourth opening (525).

8. The coupling boot of claim 3, wherein, The coupling cover (5) is also provided with a mounting flange (56) extending outward, the mounting flange (56) is provided with a mounting hole (57), the coupling cover (5) is fixed to the bearing seat (4) of the fan by screws (6), and one end of the coupling cover (5) is connected to one end of the bearing seat (4) of the fan.

9. The coupling boot of claim 8, wherein, The number of the mounting flange (56) is four; the first cover body (51) is provided with two mounting flanges (56) extending outward at the first opening (513), and the second cover body (52) is provided with two mounting flanges (56) extending outward at the third opening (523).

10. The coupling boot of claim 1, wherein, The coupling cover (5) has a regular octagonal shape.