A fan air outlet mesh cover

Abstract

This invention relates to a fan exhaust grille, comprising a grille and a decorative ring. The outer side of the grille is folded inward to form a connecting ring, and the outer side of the connecting ring is folded outward to form an installation edge. The installation edge has screw holes and a snap-fit ​​structure. The snap-fit ​​structure can be fastened to the main unit panel, and the screw holes are fastened to the main unit panel by screws. The connecting ring has two or more slot structures. On the rear side of the decorative ring, there are two or more rearward-extending inner fixing snaps and two or more rearward-extending outer fixing devices. The outer fixing devices are located outside the inner fixing snaps. The inner fixing snaps can be fastened to the corresponding slot structures, and the outer fixing devices are fastened to the main unit panel. The inner fixing snaps and outer fixing devices work together to fix the decorative ring to the grille. Its advantages include a secure fastening method for fixing the fan grille, simple and convenient installation, saving significant manpower and resources, and no exposed screws, resulting in an aesthetically pleasing appearance.

Description

Technical Field

[0001] This invention relates to a fan exhaust grille. Background Technology

[0002] Currently, fan exhaust covers can be used in various industries, such as for heat dissipation, ventilation, and air circulation protection in air conditioners, motors, exhaust fans, radiators, fans, generators, diesel engines, etc. During use, fan covers are prone to falling off. Therefore, during installation, on the one hand, a large number of screws are used to fix the fan cover to the main unit panel, resulting in a lot of manpower for screw fixing, making the installation process cumbersome. On the other hand, the exposed screws result in an unsightly appearance. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a fan exhaust screen cover. The fan screen cover is fixed by a snap-on connection, which is firm, easy and convenient to install, saves a lot of manpower and material resources, and has no exposed screws, making it aesthetically pleasing.

[0004] To achieve the above objectives, the present invention provides a fan exhaust grille, comprising a grille and a decorative ring. The outer side of the grille is folded inward to form a connecting ring, and the outer side of the connecting ring is folded outward to form an mounting edge. The mounting edge has one or more screw holes and two or more snap-fit ​​structures. The snap-fit ​​structures can be fastened to the main unit panel, and the screw holes are fastened to the main unit panel via screws. The connecting ring has two or more slot structures. The decorative ring has two or more rearward-extending inner fixing snaps and two or more rearward-extending outer fixing devices on its rear side. The outer fixing devices are located outside the inner fixing snaps. The inner fixing snaps can be fastened to the corresponding slot structures, and the outer fixing devices are fastened to the main unit panel. The inner fixing snaps and outer fixing devices work together to fix the decorative ring to the grille.

[0005] In this technical solution, the buckle structure includes a buckle groove, a buckle connecting arm, and a buckle plate; the buckle groove is provided on the mounting edge, one end of the buckle connecting arm is connected to the mounting edge, the other end of the buckle connecting arm extends backward, one end of the buckle plate is connected to the other end of the buckle connecting arm, and the other end of the buckle plate extends in a clockwise or counterclockwise direction and tilts backward to form a guide slope.

[0006] In this technical solution, the slot structure includes one or more slot plates, and the rear part of the slot plate is inclined inward to form a fastening edge; the internal fixing buckle cooperates with the fastening edge.

[0007] In this technical solution, the internal fixing buckle includes a connecting arm and an inwardly inclined buckle arm; positioning bosses extend downward on both sides of the bottom of the buckle arm, and the two positioning bosses together with the top of the buckle arm form a limiting groove; the bottom of the buckle arm cooperates with the buckling edge, and the positioning bosses are respectively located on both sides of the buckling edge.

[0008] In this technical solution, the external fixing device is an external fixing buckle or an external fixing screw hole. The external fixing buckle is fastened and fixed to the main unit panel, and the external fixing screw hole is threaded and fixed to the main unit panel.

[0009] In this technical solution, a boss that facilitates fastening is formed by protruding upward at the rear end of the external fixing buckle, and a guide slope for the external fixing buckle is formed by tilting inward at the rear end of the boss.

[0010] In this technical solution, the wind cover is provided with two or more internal disassembly grooves, which are located at the slot structure.

[0011] In this technical solution, the decorative ring is provided with two or more external disassembly grooves, which are located next to the external fixing buckle.

[0012] In this technical solution, several reinforcing ribs are provided on the rear side of the decorative ring.

[0013] In this technical solution, a recessed platform is provided on the main unit panel, and the size of the recessed platform is adapted to the size of the fan cover and the decorative ring.

[0014] The advantages of this invention compared with the prior art are: the fan cover is fixed by a snap-fit ​​connection, which is firm, simple and convenient to install, saves a lot of manpower and material resources, and there are no exposed screws, making it aesthetically pleasing. Attached Figure Description

[0015] Figure 1 This is a perspective view of the present invention; Figure 2 yes Figure 1 Exploded view; Figure 3 yes Figure 2 A magnified view of part A; Figure 4 yes Figure 2 A magnified view of part B; Figure 5 This is a rear-view perspective view of the wind shield of the present invention; Figure 6 yes Figure 5 A magnified view of a portion of C; Figure 7 yes Figure 5 A magnified view of a portion of the image; Figure 8 yes Figure 2 A diagram of the rear view position; Figure 9 yes Figure 8 A magnified view of a portion of E; Figure 10 This is a top view of the present invention; Figure 11 yes Figure 10 AA section view; Figure 12 yes Figure 11 A magnified view of a portion of F; Figure 13 yes Figure 11 A magnified view of a local G region; Figure 14 This is a schematic diagram showing the back of the decorative ring, fan cover, and main unit panel of the present invention in conjunction. Figure 15 yes Figure 14 A magnified view of a portion of H; Figure 16 This is a front view of the decorative ring, fan cover, and main unit panel of the present invention. Figure 17 yes Figure 16 A magnified view of a portion of I; Figure 18 This is a top view of the present invention; Figure 19 yes Figure 18 BB section view; Figure 20 yes Figure 19 A magnified view of a portion of J; Figure 21 This is a rear-view perspective view of the decorative ring of the present invention; Figure 22 yes Figure 21 A magnified view of a local K-axis; Figure 23 yes Figure 16 The exploded diagram. Detailed Implementation

[0016] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding the present invention, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0017] In the description of this invention, the terms "rear," "front," "outer," and "inner," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and do not require that this invention be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0018] In this invention, unless otherwise explicitly specified and limited, the term "set" and other such terms should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or a detachable arrangement or an integral part; it can refer to a mechanical connection, a direct connection, or an indirect connection through an intermediate medium; it can refer to the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in this invention can be understood according to the specific circumstances.

[0019] like Figures 1 to 23 As shown, it is a fan exhaust grille; characterized by including a shroud and a decorative ring; the outer side of the shroud 1 is folded inward to form a connecting ring 3, and the outer side of the connecting ring 3 is folded outward to form an installation edge 4. The installation edge 4 has one or more screw holes 41 and two or more snap-fit ​​structures 42, the snap-fit ​​structures 42 being able to be fastened and fixed to the main unit panel, and the screw holes 41 being fixed to the main unit panel by screwing; the connecting ring 3 has two or more slot structures 31, and the decorative ring 2 has two or more rearward-extending inner fixing snaps 22 and two or more rearward-extending outer fixing devices 21 on the rear side, the outer fixing devices 21 being located outside the inner fixing snaps 22, the inner fixing snaps 22 being able to be fastened and fixed to the corresponding slot structures 31, and the outer fixing devices 21 being fixed to the main unit panel. The inner fixing snaps 22 and the outer fixing devices 21 work together to fix the decorative ring 2 to the shroud 1.

[0020] The buckle structure 42 can be two, three, four or more, depending on the actual size of the shroud 1; the fixed end face of the buckle structure 42 is one plate thickness away from the shroud 1, which facilitates the buckle structure 42 to be inserted and matched with the panel.

[0021] The fan cover is secured using a snap-fit ​​connection, ensuring a firm and easy installation that saves significant manpower and resources. Furthermore, it eliminates the need for exposed screws, resulting in an aesthetically pleasing appearance.

[0022] The fixing end of the external fixing device 21 is one plate thickness higher than the decorative ring 2, which facilitates insertion and mating with the main unit panel.

[0023] In this embodiment, the buckle structure 42 includes a buckle groove 421, a buckle connecting arm 422, and a buckle plate 423; the buckle groove 421 is provided on the mounting edge 4, one end of the buckle connecting arm 422 is connected to the mounting edge (4), the other end of the buckle connecting arm 422 extends backward, one end of the buckle plate 423 is connected to the other end of the buckle connecting arm 422, and the other end of the buckle plate 423 extends in a clockwise or counterclockwise direction and tilts backward to form a guide slope 424.

[0024] The other end of the buckle plate 423 extends clockwise to form a fixed end, which is inserted into the main unit panel. The fixed end face is one plate thickness away from the fan cover 1; the guide slope 424 is better inserted into the main unit panel and fixed.

[0025] In this embodiment, the slot structure 31 includes one or more slot plates 311, and the rear part of the slot plate 311 is inclined inward to form a fastening edge 312; the inner fixing buckle 22 cooperates with the fastening edge 312.

[0026] In this embodiment, the internal fixing buckle 22 includes a connecting arm 221 and an inwardly inclined buckle arm 222. Positioning bosses 223 extend downward from both sides of the bottom of the buckle arm 222, and the two positioning bosses 223 together with the top of the buckle arm 222 form a limiting groove 224. The bottom of the buckle arm 222 engages with the fastening edge 312, and the positioning bosses 223 are located on both sides of the fastening edge 312. After installation, the fastening edge 312 is positioned by the two positioning bosses 223, thus preventing the decorative ring 2 from shaking or falling off.

[0027] In this embodiment, the external fixing device 21 is an external fixing buckle or an external fixing screw hole. The external fixing buckle is fastened and fixed to the main unit panel, and the external fixing screw hole is threaded and fixed to the main unit panel. The external fixing device 21 can also take various forms.

[0028] In this embodiment, a boss 211 for easy fastening is formed by an upward protrusion at the rear end of the external fixing buckle, and an external fixing buckle guide slope is formed by an inward tilt at the rear end of the boss 211. The external fixing buckle guide slope better engages and secures with the main unit panel.

[0029] In this embodiment, the fan cover 1 is provided with two or more internal disassembly grooves 11, which are located at the slot structure 31. During disassembly, tools such as a flathead screwdriver can be inserted into the internal disassembly grooves 11 to pry open the internal fixing buckle 22, allowing the fan cover 1 and decorative ring 2 to be disassembled directly from the outside. Disassembly is simple and convenient.

[0030] In this embodiment, the decorative ring 2 is provided with two or more external disassembly slots 23, which are located next to the external fixing clips. Tools such as a flathead screwdriver can be inserted into the external disassembly slots 23 to pry open the external fixing clips and detach the decorative ring 2 from the main unit panel, allowing for direct external disassembly. Disassembly is simple and convenient.

[0031] In this embodiment, a plurality of reinforcing ribs 24 are provided on the rear side of the decorative ring 2.

[0032] In this embodiment, a recessed platform 10 is provided on the main unit panel, and the size of the recessed platform is adapted to the fan cover 1 and the decorative ring 2. The recessed platform allows the decorative ring 2 to be recessed into the main unit panel, making the appearance more aesthetically pleasing, and the decorative ring 2 and fan cover 1 more stably fixed, resulting in better sealing.

[0033] The novel embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations of these embodiments without departing from the principles and spirit of the present invention will still fall within the protection scope of the present invention.

Claims

1. A fan exhaust grille, characterized in that... Includes a fan cover (1) and a decorative ring (2); the outer side of the fan cover (1) is folded inward to form a connecting ring (3), and the outer side of the connecting ring (3) is folded outward to form an installation edge (4). The installation edge (4) has one or more screw holes (41) and two or more snap-fit ​​structures (42). The snap-fit ​​structures (42) can be fastened to the main unit panel, and the screw holes (41) are fastened to the main unit panel by screwing. The connecting ring (3) has two or more slot structures (31), and the decorative ring (2) has two slots on its rear side. One or more rearwardly extending internal fixing buckles (22) and two or more rearwardly extending external fixing devices (21), wherein the external fixing devices (21) are located outside the internal fixing buckles (22), the internal fixing buckles (22) can be fastened and fixed with the corresponding slot structure (31), and the external fixing devices (21) are fixed with the main unit panel. The internal fixing buckles (22) and the external fixing devices (21) work together to fix the decorative ring (2) on the wind cover (1); the buckle structure (42) includes a slot (421), a buckle connecting arm (422), and a buckle. The buckle plate (423) is provided on the mounting edge (4). One end of the buckle connecting arm (422) is connected to the mounting edge (4), and the other end of the buckle connecting arm (422) extends backward. One end of the buckle plate (423) is connected to the other end of the buckle connecting arm (422), and the other end of the buckle plate (423) extends in a clockwise or counterclockwise direction and tilts backward to form a guide slope (424). The buckle structure (31) includes one or more buckle plates (311), and the rear part of the buckle plate (311) tilts inward. A snap-fit ​​edge (312) is formed; the inner fixing buckle (22) cooperates with the snap-fit ​​edge (312); the inner fixing buckle (22) includes a connecting arm (221) and an inwardly inclined buckle arm (222); positioning bosses (223) extend downward on both sides of the bottom of the buckle arm (222), the two positioning bosses (223) and the top of the buckle arm (222) together form a limiting groove (224), the bottom of the buckle arm (222) cooperates with the snap-fit ​​edge (312), and the positioning bosses (223) are respectively located on both sides of the snap-fit ​​edge (312).

2. The fan outlet grille according to claim 1, characterized in that... The external fixing device (21) is an external fixing buckle or an external fixing screw hole. The external fixing buckle is fastened and fixed to the main panel, and the external fixing screw hole is threaded and fixed to the main panel.

3. The fan outlet grille according to claim 2, characterized in that... A boss (211) for easy fastening is formed by protruding upward at the rear end of the external fixing buckle, and an external fixing buckle guide slope is formed by tilting inward at the rear end of the boss (211).

4. The fan outlet grille according to claim 1, characterized in that... The wind cover (1) is provided with two or more internal disassembly grooves (11), which are located at the slot structure (31).

5. The fan outlet grille according to claim 2, characterized in that... The decorative ring (2) is provided with two or more external disassembly grooves (23), which are located next to the external fixing buckle.

6. The fan outlet grille according to claim 1, characterized in that... Several reinforcing ribs (24) are provided on the rear side of the decorative ring (2).

7. The fan outlet grille according to claim 1, characterized in that... A recessed platform (10) is provided on the main unit panel, and the size of the recessed platform is adapted to the size of the wind cover (1) and the decorative ring (2).

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