An air conditioner fan cover convenient to replace

The design of the quick-fixing mechanism and unlocking components solves the problem of inconvenient disassembly and installation of central air conditioning fan covers, enabling rapid replacement of fan covers and improving operational efficiency.

CN117128642BActive Publication Date: 2026-06-30QINGDAO XINHENGDE ELECTRICAL APPLIANCE CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
QINGDAO XINHENGDE ELECTRICAL APPLIANCE CO LTD
Filing Date
2023-09-26
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

The disassembly and installation of existing central air conditioning fan covers are inconvenient, inefficient, and difficult to replace easily.

Method used

The system employs a quick-fixing mechanism, comprising an I-shaped structure formed by a second slider, a second movable plate, and a third movable plate. Combined with an unlocking component and a drive component, the fan cover can be quickly installed and removed through the sliding of the inclined block and the engagement of gears.

Benefits of technology

It enables quick installation and removal of the fan cover, which can be completed by a single person, improving operational efficiency and simplifying the usage process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN117128642B_ABST
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Abstract

This invention discloses an easy-to-replace air conditioner fan cover, relating to the technical field of air conditioner fan cover technology. The air conditioner fan cover includes an air conditioner body and a quick-fixing mechanism. A fan outlet is provided at the lower end of the air conditioner body, and the fan cover is disposed inside the fan outlet. A second groove is provided at the lower end of each side wall of the fan outlet, and a second sliding groove is provided at the upper end of the second groove. First inclined face blocks corresponding to the second grooves are installed on the side walls of the fan cover. During installation, the operator simply places the first inclined face blocks into the second grooves and pushes upwards to fix the fan cover. During disassembly, the operator operates the first moving plate with one hand, causing all the rotating rods to rotate. This, in turn, pulls the third moving plate via a rope, connecting block, second moving plate, and second slider. The third moving plate pulls the second inclined face blocks away from the first inclined face blocks, enabling quick removal of the fan cover.
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Description

Technical Field

[0001] This invention relates to the field of air conditioner fan cover technology, specifically an air conditioner fan cover that is easy to replace. Background Technology

[0002] A central air conditioning system consists of one or more cold and heat source systems and multiple air conditioning systems. It uses the principle of liquid vaporization refrigeration to provide the required cooling capacity to the air conditioning system in order to offset the heat load of the indoor environment; the heating system provides the required heat to the air conditioning system in order to offset the cooling and heating load of the indoor environment.

[0003] Most existing detachable central air conditioning fan covers utilize the deformation of the plastic fan cover itself to achieve the removal and installation of the fan cover. Some fan covers are fixed with screws, which is very inconvenient to operate and has low efficiency, making them inconvenient for users.

[0004] To address the aforementioned issues, an improved, easily replaceable air conditioner fan cover has been designed. Summary of the Invention

[0005] The purpose of this invention is to provide an easily replaceable air conditioner fan cover to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] An easy-to-replace air conditioner fan cover includes an air conditioner body and a quick-fixing mechanism. The lower end of the air conditioner body has a fan opening, and the fan opening is provided with a fan cover inside. Each side wall of the fan opening has a second groove at its lower end, and the upper end of the second groove has a second sliding groove. The side wall of the fan cover is equipped with a first inclined plate block that corresponds one-to-one with the second groove.

[0008] The quick-fixing mechanism is located inside the second groove and is used to engage the first inclined block, facilitating the quick installation and fixing of the fan cover.

[0009] As a further aspect of the present invention: the quick-fixing mechanism includes a second slider, a third movable plate is mounted on the lower end of the second slider, the third movable plate is slidably connected to the inner wall of the second groove, the second movable plate is mounted on the upper end of the second slider, the second movable plate, the second slider and the third movable plate form an I-shape, a second inclined plate is mounted on the side of the lower end of the third movable plate near the fan cover, which cooperates with the first inclined plate, the space height of the second groove above the second inclined plate is greater than the height of the first inclined plate, a second spring is mounted on the end of the third movable plate away from the fan cover for pushing the second inclined plate and the third movable plate closer to the fan cover, the end of the second spring away from the third movable plate is mounted on the inner wall of the second groove, and an unlocking component is provided inside the air conditioner body for moving the second inclined plate away from the first inclined plate.

[0010] As a further embodiment of the present invention: the unlocking component includes a rotating rod corresponding one-to-one with the side wall of the fan vent. Both ends of the side wall of the rotating rod are rotatably connected to support blocks for supporting the rotating rod. The lower end of the support block is installed at the bottom of the air conditioner body. Both ends of the rotating rod are equipped with bevel gears, and the bevel gears on two adjacent rotating rods mesh with each other. A pull rope is installed on the side wall of the rotating rod near the second moving plate. A connecting block is installed at the end of the pull rope away from the rotating rod. The connecting block is installed at the upper end of the second moving plate. The lower end of the air conditioner body is provided with a drive component that is easy for operators to use.

[0011] As a further embodiment of the present invention: the driving assembly includes a gear, which is mounted on the side wall of one of the rotating rods. A first groove is formed at the lower end of the air conditioner body directly below the gear. A first sliding groove is formed at the upper end of the first groove. A first movable plate is slidably connected to the inner wall of the first groove. A first slider is mounted on the upper end of the first movable plate through the first sliding groove. A rack that cooperates with the gear is mounted on the upper end of the first slider. The gear and the rack mesh with each other. A limiting frame that cooperates with the first slider is mounted on the upper end of the first sliding groove. The first slider is slidably connected to the inner wall of the limiting frame. A first spring for pushing the first movable plate away from the gear is mounted on the side wall of the first movable plate near the gear. The end of the first spring away from the first movable plate is mounted on the inner wall of the first groove.

[0012] As a further embodiment of the present invention: the lower end of the fan cover is rotatably connected by a hinge to a handle that facilitates the worker to pull the fan cover when removing it, and the lower end of the fan cover is equipped with a slot for fixing the handle.

[0013] As a further aspect of the present invention: friction protrusions are installed on the side wall of the first movable plate to facilitate the movement of the first movable plate by the operator.

[0014] As a further aspect of the present invention, reinforcing ribs for improving the structural strength of the rotating rod are installed on the side wall of the rotating rod.

[0015] As a further aspect of the present invention: a ball bearing is installed on the inner wall of the limiting frame to facilitate the movement of the first slider.

[0016] As a further aspect of the present invention: a rubber pad is installed on the inner wall of the fan outlet to facilitate the fixing of the fan cover.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. Compared with the prior art, the present invention allows the inclined surfaces of the first inclined plate and the second inclined plate to slide relative to each other, facilitating the movement of the first inclined plate to the upper end of the second inclined plate and blocking the first inclined plate. The operator only needs to place the first inclined plate into the interior of the second groove and then push it upward to fix the fan cover. The structure is simple, the fixing efficiency is high, and it is easy for users to use.

[0019] 2. Compared with the prior art, the present invention allows the operator to operate the first moving plate with only one hand, causing the rack to drive the gear to rotate. Under the action of the bevel gear, all the rotating rods will rotate, thereby causing the rotating rods to pull the third moving plate through the pull rope, connecting block, second moving plate and second slider. The third moving plate pulls the second inclined plate to disengage from the first inclined plate. At this time, the operator's other hand can support the fan cover to prevent the fan cover from falling directly, realizing the quick removal of the fan cover. It can be operated by one person and is convenient for users. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0021] Figure 2 This is a schematic diagram of the structure of the present invention.

[0022] Figure 3 For the present invention Figure 2 A magnified structural diagram of point A in the middle.

[0023] Figure 4 This is a schematic diagram of the quick-fixing mechanism in this invention.

[0024] Figure 5 This is a schematic diagram of the driving component in this invention.

[0025] The components are as follows: 1. Air conditioner body; 2. First groove; 3. Fan outlet; 4. Second groove; 5. Handle; 6. Fan cover; 7. Slot; 8. Bevel gear; 9. Support block; 10. Rotating rod; 11. Pull rope; 12. Connecting block; 13. Second slide groove; 14. Second moving plate; 15. First inclined plate; 16. Second inclined plate; 17. Second spring; 18. Gear; 19. Rack; 20. First slider; 21. First moving plate; 22. First spring; 23. First slide groove; 24. Limiting frame; 25. Second slider; 26. Third moving plate. Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] Please see Figures 1-5 In this embodiment of the invention, an air conditioner fan cover that is easy to replace includes an air conditioner body 1 and a quick-fixing mechanism. The lower end of the air conditioner body 1 is provided with a fan port 3. The fan port 3 is provided with a fan cover 6 inside. The lower end of each side wall of the fan port 3 is provided with a second groove 4. The upper end of the second groove 4 is provided with a second sliding groove 13. The side wall of the fan cover 6 is provided with a first inclined surface block 15 corresponding to the second groove 4.

[0028] The quick-fixing mechanism is located inside the second groove 4 and is used to engage the first inclined block 15, facilitating the quick installation and fixing of the fan cover 6.

[0029] The quick-fixing mechanism includes a second slider 25, a third movable plate 26 is mounted on the lower end of the second slider 25, the third movable plate 26 is slidably connected to the inner wall of the second groove 4, a second movable plate 14 is mounted on the upper end of the second slider 25, the second movable plate 14, the second slider 25 and the third movable plate 26 form an I-shape, a second inclined plate 16 is mounted on the side of the lower end of the third movable plate 26 near the fan cover 6, which cooperates with the first inclined plate 15, the space height of the second groove 4 above the second inclined plate 16 is greater than the height of the first inclined plate 15, a second spring 17 is mounted on the end of the third movable plate 26 away from the fan cover 6 for pushing the second inclined plate 16 and the third movable plate 26 closer to the fan cover 6, the end of the second spring 17 away from the third movable plate 26 is mounted on the inner wall of the second groove 4, and an unlocking component is provided inside the air conditioner body 1 for moving the second inclined plate 16 away from the first inclined plate 15.

[0030] Compared with the prior art, by making the inclined surface of the first inclined block 15 slide relative to the inclined surface of the second inclined block 16, it is easy for the first inclined block 15 to move to the upper end of the second inclined block 16, and for the second inclined block 16 to block the first inclined block 15. The operator only needs to place the first inclined block 15 into the inside of the second groove 4 and then push it upward to fix the fan cover 6. The structure is simple, the fixing efficiency is high, and it is easy for users to use.

[0031] The unlocking assembly includes a rotating rod 10 corresponding to the side wall of the fan vent 3. Both ends of the side wall of the rotating rod 10 are rotatably connected to support blocks 9 for supporting the rotating rod 10. The lower end of the support block 9 is installed at the bottom of the air conditioner body 1. Both ends of the rotating rod 10 are equipped with bevel gears 8, and the bevel gears 8 on two adjacent rotating rods 10 mesh with each other. A pull rope 11 is installed on the side wall of the rotating rod 10 near the second moving plate 14. A connecting block 12 is installed at the end of the pull rope 11 away from the rotating rod 10. The connecting block 12 is installed at the upper end of the second moving plate 14. A drive assembly for easy operation by staff is provided at the lower end of the air conditioner body 1.

[0032] The drive assembly includes a gear 18, which is mounted on the side wall of one of the rotating rods 10. A first groove 2 is provided at the lower end of the air conditioner body 1 directly below the gear 18. A first sliding groove 23 is provided at the upper end of the first groove 2. A first moving plate 21 is slidably connected to the inner wall of the first groove 2. A first slider 20 is installed at the upper end of the first moving plate 21 through the first sliding groove 23. A rack 19 that cooperates with the gear 18 is installed at the upper end of the first slider 20. The gear 18 and the rack 19 mesh with each other. A limiting frame 24 that cooperates with the first slider 20 is installed at the upper end of the first sliding groove 23. The first slider 20 is slidably connected to the inner wall of the limiting frame 24. A first spring 22 for pushing the first moving plate 21 away from the gear 18 is installed on the side wall of the first moving plate 21 near the gear 18. The end of the first spring 22 away from the first moving plate 21 is installed on the inner wall of the first groove 2.

[0033] The lower end of the fan cover 6 is rotatably connected by a hinge to a handle 5 that facilitates the pulling of the fan cover 6 by the worker when removing it. The lower end of the fan cover 6 is equipped with a slot 7 for fixing the handle 5.

[0034] Compared with existing technologies, the operator only needs to operate the first moving plate 21 with one hand to make the rack 19 drive the gear 18 to rotate. Under the action of the bevel gear, all the rotating rods 10 will rotate, so that the rotating rods 10 will pull the third moving plate 26 through the pull rope 11, connecting block 12, second moving plate 14 and second slider 25. The third moving plate 26 pulls the second inclined plate block 16 to disengage from the first inclined plate block 15. At this time, the operator's other hand can support the fan cover 6 to prevent the fan cover 6 from falling directly, realizing the quick removal of the fan cover 6. It can be operated by one person and is convenient for users.

[0035] Working principle: During installation, the operator aligns the fan cover 6 with the fan outlet 3 and the first inclined plate 15 with the second groove 4. Then, the fan cover 6 is pushed upward, which causes the first inclined plate 15 to move upward. The inclined plate of the first inclined plate 15 moves along the inclined plate of the second inclined plate 16. Under the action of the second spring 17, the first inclined plate 15 moves to the upper end of the second inclined plate 16, thus fixing the fan cover 6.

[0036] When removing the fan cover 6, the worker moves the first moving plate 21 and compresses the first spring 22. The first moving plate 21 drives the first slider 20 to move, the first slider 20 drives the rack 19 to move, the rack 19 drives the gear 18 to rotate, and the gear 18 drives the rotating rod 10 to rotate. Since the bevel gears 8 on the two adjacent rotating rods 10 mesh with each other, all the rotating rods 10 will rotate together. The rotating rod 10 pulls the pull rope 11, the pull rope 11 drives the connecting block 12 to move, the connecting block 12 drives the second moving plate 14 to move, the second moving plate 14 drives the second slider 25 to move, the second slider 25 drives the third moving plate 26 to move, and the third moving plate 26 drives the second inclined plate 16 to move and compresses the second spring 17, so that the second inclined plate 16 disengages from the first inclined plate 15. At this time, the worker's other hand can support the fan cover 6 to prevent the fan cover 6 from falling directly, thus achieving the rapid removal of the fan cover 6.

[0037] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention.

Claims

1. A replaceable air conditioner fan cover, comprising an air conditioner body (1) and a quick-fixing mechanism, wherein a fan opening (3) is provided at the lower end of the air conditioner body (1), and a fan cover (6) is provided inside the fan opening (3), characterized in that, Each side wall of the fan outlet (3) is provided with a second groove (4) at its lower end, and a second sliding groove (13) is provided at the upper end of the second groove (4). The side wall of the fan cover (6) is provided with a first inclined plate block (15) that corresponds one-to-one with the second groove (4). The quick-fixing mechanism is located inside the second groove (4) and is used to engage the first inclined plate (15) to facilitate the quick installation and fixing of the fan cover (6). The quick-fixing mechanism includes a second slider (25), a third movable plate (26) is mounted on the lower end of the second slider (25), the third movable plate (26) is slidably connected to the inner wall of the second groove (4), a second movable plate (14) is mounted on the upper end of the second slider (25), the second movable plate (14), the second slider (25) and the third movable plate (26) form an I-shape, and a second inclined plate (16) that cooperates with the first inclined plate (15) is mounted on the side of the lower end of the third movable plate (26) near the fan cover (6). The height of the space in the second groove (4) above the second inclined block (16) is greater than the height of the first inclined block (15). The third moving plate (26) is equipped with a second spring (17) at one end away from the fan cover (6) for pushing the second inclined block (16) and the third moving plate (26) closer to the fan cover (6). The second spring (17) is installed on the inner wall of the second groove (4) at one end away from the third moving plate (26). The air conditioner body (1) is provided with an unlocking component for moving the second inclined block (16) away from the first inclined block (15). The unlocking component includes a rotating rod (10) corresponding to the side wall of the fan port (3). Both ends of the side wall of the rotating rod (10) are rotatably connected to a support block (9) for supporting the rotating rod (10). The lower end of the support block (9) is installed at the bottom of the air conditioner body (1). Both ends of the rotating rod (10) are equipped with bevel gears (8). The bevel gears (8) on two adjacent rotating rods (10) mesh with each other. A pull rope (11) is installed on the side wall of the rotating rod (10) near the second moving plate (14). A connecting block (12) is installed at the end of the pull rope (11) away from the rotating rod (10). The connecting block (12) is installed at the upper end of the second moving plate (14). The lower end of the air conditioner body (1) is provided with a drive component that is easy for the operator to operate. The drive assembly includes a gear (18) mounted on the side wall of one of the rotating rods (10). A first groove (2) is formed at the lower end of the air conditioner body (1) directly below the gear (18). A first sliding groove (23) is formed at the upper end of the first groove (2). A first moving plate (21) is slidably connected to the inner wall of the first groove (2). A first slider (20) is mounted on the upper end of the first moving plate (21) through the first sliding groove (23). A device that engages with the gear (18) is mounted on the upper end of the first slider (20). The rack (19) is used, and the gear (18) and the rack (19) mesh with each other. The upper end of the first slide groove (23) is equipped with a limiting frame (24) that works with the first slider (20). The first slider (20) is slidably connected to the inner wall of the limiting frame (24). The side wall of the first moving plate (21) near the gear (18) is equipped with a first spring (22) for pushing the first moving plate (21) away from the gear (18). The end of the first spring (22) away from the first moving plate (21) is installed on the inner wall of the first groove (2).

2. The easily replaceable air conditioner fan cover according to claim 1, characterized in that, The lower end of the fan cover (6) is rotatably connected by a hinge to a handle (5) that makes it easy for workers to pull the fan cover (6) when removing it. The lower end of the fan cover (6) is equipped with a slot (7) for fixing the handle (5).

3. The easily replaceable air conditioner fan cover according to claim 1, characterized in that, The first movable plate (21) has friction protrusions installed on its side wall to facilitate the movement of the first movable plate (21) by the staff.

4. The easily replaceable air conditioner fan cover according to claim 1, characterized in that, The rotating rod (10) is equipped with reinforcing ribs on its side wall to improve the structural strength of the rotating rod (10).

5. The easily replaceable air conditioner fan cover according to claim 1, characterized in that, The inner wall of the limiting frame (24) is equipped with ball bearings to facilitate the movement of the first slider (20).

6. The easily replaceable air conditioner fan cover according to claim 1, characterized in that, A rubber pad is installed on the inner wall of the fan opening (3) to facilitate the fixing of the fan cover (6).