Spliced fan blade structure for fan lamp

Abstract

The utility model discloses a splicing fan blade structure for a fan lamp, which comprises a fan blade body connected with a fan disc and an expansion blade connected with the fan blade body, one end of the fan blade body is fixedly provided with a connecting part with a screw hole, the connecting part is attached to the fan disc and is fixed through a screw, the other end of the fan blade body is integrally provided with an inserting convex piece, and the inserting convex piece is connected with the expansion blade. U-shaped buckle elastic pieces are arranged on the side edges, away from the fan blade body, of the inserting protruding pieces, and buckle protruding points are arranged on the symmetrical outer walls of the U-shaped buckle elastic pieces. Inserting cavities are formed in the connecting ends of the expansion blades, and buckle groove holes are formed in the end walls of the inserting cavities; the inserting convex pieces are inserted and clamped in the inserting cavities, and the U-shaped buckle elastic pieces are buckled in the buckle groove holes and are positioned through the buckle convex points. According to the utility model, the structural arrangement is reasonable, dismounting and mounting can be carried out during packaging and transportation, the packaging and transportation cost is reduced, and when the insertion lug is inserted into the insertion cavity, the U-shaped buckle elastic sheet is clamped into the buckle groove hole and is positioned through the buckle convex point, so that the stability and the reliability of connection are improved.

Description

Technical Field

[0001] This utility model belongs to the field of fan light technology, specifically relating to a spliced ​​fan blade structure for fan lights. Background Technology

[0002] A fan or fan light is a common type of air-blowing electrical appliance. It generally includes a fan motor and a fan blade structure. In practical applications, the fan blade structure is of a fixed length, which is not conducive to packaging and transportation operations, greatly increasing packaging and transportation costs, and also easily causing damage to the fan blade. In order to solve the above technical problems, CN201811410083.6 discloses a splicing structure for ceiling fan blades. This structure includes a fan blade body. The key is that the fan blade body is composed of multiple pieces of board joined together by tenons. Adjacent boards are joined together by tenons in the length direction. The tenon joints are filled with sawdust powder and glued together.

[0003] The inventors discovered through use that while the above structure can meet general usage needs, it still has certain technical shortcomings, such as limited stability during use, and it is prone to loosening or falling off during long-term use, thus affecting the safety of use. In addition, it is difficult to guarantee the strength of the connection by using glue, which limits its applicability. Utility Model Content

[0004] The purpose of this invention is to provide a spliced ​​fan blade structure for a fan light that is structurally reasonable and stable and reliable in use.

[0005] The technical solution to achieve the purpose of this utility model is a spliced ​​fan blade structure for a fan light, including a fan blade body connected to a fan disc and an extended blade connected to the fan blade body. One end of the fan blade body is fixed with a connecting part with a screw hole. The connecting part is attached to the fan disc and fixed with screws. The other end of the fan blade body is integrally formed with an insertion protrusion. Several U-shaped snap-fit ​​springs are integrally formed on the side of the insertion protrusion away from the fan blade body. Snap-fit ​​protrusions are provided on the symmetrical outer wall of the U-shaped snap-fit ​​springs.

[0006] The connecting end of the extended blade is provided with a cavity, and the end wall of the cavity is provided with a number of buckle slots that match the U-shaped buckle spring.

[0007] The insert protrusion is inserted into the cavity, and the U-shaped snap fastener is snapped into the snap slot and positioned by the snap protrusion.

[0008] A further preferred embodiment is that the sidewall of the insertion cavity and the insertion protrusion are provided with overlapping screw holes;

[0009] The insertion tab is inserted into the insertion cavity and fixed by the screw in the screw hole.

[0010] A further preferred embodiment is that the inner wall of the insertion cavity is provided with a plurality of guide grooves;

[0011] The insert protrusion has an integrally formed guide protrusion that is positioned to match the guide groove;

[0012] The insertion tab is inserted into the insertion cavity, and the guide strip is located in the guide groove.

[0013] A further preferred embodiment is that the connection between the insert protrusion and the fan blade is integrally formed with reinforcing ribs.

[0014] A further preferred embodiment is that a reinforcing rib is integrally formed between the edge of the insertion cavity and the diffuser blade.

[0015] A further preferred embodiment is that both the fan blades and the extended blades are plastic structural components.

[0016] A further preferred embodiment is that the number of the U-shaped snap-fit ​​springs is two, three, or four, and the number of snap-fit ​​slots is the same as the number of U-shaped snap-fit ​​springs.

[0017] This utility model has the following positive effects: Its structure is rationally designed, including a fan blade and extended blades, allowing for easy assembly and disassembly during packaging and transportation. This reduces packaging and transportation space and costs. Furthermore, the insert protrusion is equipped with a U-shaped snap-fit ​​spring and snap-fit ​​protrusions that engage with snap-fit ​​slots on the insertion cavity. When the insert protrusion is inserted into the cavity, the U-shaped snap-fit ​​spring engages with the snap-fit ​​slots and is positioned by the snap-fit ​​protrusions, improving the stability and reliability of the connection and preventing loosening or detachment. This also ensures stable and reliable use. Additionally, a screw can be used for locking and positioning during use, achieving a double-fixed connection, further enhancing reliability and preventing loosening or detachment. It is highly adaptable.

[0018] Furthermore, it is equipped with guide ridges, guide grooves, reinforcing ribs, and reinforcing bars, which can ensure the strength of the overall structure and improve its reliability. Attached Figure Description

[0019] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein:

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the disassembled structure of this utility model;

[0022] Figure 3 This is another perspective view of the disassembled structure of this utility model;

[0023] Figure 4 for Figure 2 Enlarged structural diagram at point A in the middle.

[0024] Reference numerals: 1. Fan blade body; 2. Extended blade; 3. Connecting part; 4. Insertion protrusion; 5. U-shaped snap spring; 6. Snap protrusion; 7. Insertion cavity; 8. Snap slot; 9. Screw; 10. Guide groove; 11. Guide protrusion; 12. Reinforcing rib; 13. Reinforcing rib; 14. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example

[0027] See Figures 1 to 4 As shown, a spliced ​​fan blade structure for a fan light includes a fan blade body 1 connected to a fan disc and an extended blade 2 connected to the fan blade body. One end of the fan blade body is fixed with a connecting part 3 having a screw hole. The connecting part is attached to the fan disc and fixed with screws. In this embodiment, both the fan blade body and the extended blade are plastic structural components. The above structure is a conventional structure in the prior art, and is only a simple application; therefore, it is not described in detail.

[0028] In this embodiment, an insert protrusion 4 is integrally formed at the other end of the fan blade. Several U-shaped snap-fit ​​springs 5 ​​are integrally formed on the side of the insert protrusion away from the fan blade. Snap-fit ​​protrusions 6 are provided on the symmetrical outer walls of the U-shaped snap-fit ​​springs. The number of U-shaped snap-fit ​​springs is two, three, or four, and the number of snap-fit ​​slots is the same as the number of U-shaped snap-fit ​​springs. During processing, the horizontal portion of the U-shaped snap-fit ​​spring coincides with the end face of the insert protrusion, and the width between the two vertical portions of the U-shaped snap-fit ​​spring can be processed as needed.

[0029] In this embodiment, the connecting end of the extended blade is provided with a cavity 7, and the end wall of the cavity is provided with a number of snap-fit ​​slots 8 that match the number of U-shaped snap-fit ​​springs. During assembly, the inserting protrusion is inserted into the cavity, and the U-shaped snap-fit ​​spring is snapped into the snap-fit ​​slot and positioned by the snap-fit ​​protrusion. The cavity and the inserting protrusion are inserted into each other, and the U-shaped snap-fit ​​spring is engaged with the snap-fit ​​slot to achieve snap-fit ​​positioning, ensuring the stability of the assembly.

[0030] In practical applications, to further improve the stability and reliability of assembly, the sidewall of the insertion cavity and the insertion protrusion are provided with overlapping screw holes 9; the insertion protrusion is inserted into the insertion cavity and fixed by the screw 10 in the screw hole. The number of screws can be machined and set as needed, mainly to ensure the stability and reliability of assembly and prevent loosening or falling off.

[0031] In this embodiment, the inner wall of the insertion cavity is provided with a plurality of guide grooves 11; the insertion protrusion is integrally formed with a guide protrusion 12 whose position matches the guide groove; during assembly, the insertion protrusion is inserted into the insertion cavity, and the guide protrusion is located in the guide groove. This can prevent shaking or displacement during insertion, ensuring assembly accuracy and reliability, and has strong applicability.

[0032] In this embodiment, a reinforcing rib 13 is integrally formed at the connection between the insertion protrusion and the fan blade. Simultaneously, a reinforcing rib 14 is integrally formed between the edge of the insertion cavity and the diffuser blade. This enhances the strength of the connection, thereby ensuring stable and reliable operation.

[0033] This utility model has the following positive effects: Its structure is rationally designed, including a fan blade and extended blades, allowing for easy assembly and disassembly during packaging and transportation. This reduces packaging and transportation space and costs. Furthermore, the insert protrusion is equipped with a U-shaped snap-fit ​​spring and snap-fit ​​protrusions that engage with snap-fit ​​slots on the insertion cavity. When the insert protrusion is inserted into the cavity, the U-shaped snap-fit ​​spring engages with the snap-fit ​​slots and is positioned by the snap-fit ​​protrusions, improving the stability and reliability of the connection and preventing loosening or detachment. This also ensures stable and reliable use. Additionally, a screw can be used for locking and positioning during use, achieving a double-fixed connection, further enhancing reliability and preventing loosening or detachment. It is highly adaptable.

[0034] Furthermore, it is equipped with guide ridges, guide grooves, reinforcing ribs, and reinforcing bars, which can ensure the strength of the overall structure and improve its reliability.

[0035] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural parts described in the instruction manual can also be processed without any doubt based on existing technical common sense. At the same time, the connection methods of each component adopt mature conventional methods in the existing technology, and the machinery, parts and equipment all adopt conventional models in the existing technology, so they will not be described in detail here.

[0036] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all embodiments here. However, these obvious variations or modifications derived from the essential spirit of this utility model still fall within the protection scope of this utility model.

Claims

1. A spliced ​​fan blade structure for a fan light, comprising a fan blade body connected to a fan disc and extended blades connected to the fan blade body, wherein one end of the fan blade body is fixed with a connecting part having a screw hole, the connecting part is attached to the fan disc and fixed by screws, characterized in that: The other end of the fan blade is integrally formed with an insertion protrusion, and a number of U-shaped snap-fit ​​springs are integrally formed on the side of the insertion protrusion away from the fan blade. Snap-fit ​​protrusions are provided on the symmetrical outer walls of the U-shaped snap-fit ​​springs. The connecting end of the extended blade is provided with a cavity, and the end wall of the cavity is provided with a number of buckle slots that match the U-shaped buckle spring. The insert protrusion is inserted into the cavity, and the U-shaped snap fastener is snapped into the snap slot and positioned by the snap protrusion.

2. The spliced ​​fan blade structure for a fan light according to claim 1, characterized in that: The sidewalls of the insertion cavity and the insertion protrusions are provided with overlapping screw holes; The insertion tab is inserted into the insertion cavity and fixed by the screw in the screw hole.

3. The spliced ​​fan blade structure for a fan light according to claim 2, characterized in that: The inner wall of the insertion cavity is provided with several guide grooves; The insert protrusion has an integrally formed guide protrusion that is positioned to match the guide groove; The insertion tab is inserted into the insertion cavity, and the guide strip is located in the guide groove.

4. The spliced ​​fan blade structure for a fan light according to claim 1, characterized in that: The connection between the plug-in protrusion and the fan blade is integrally formed with reinforcing ribs.

5. The spliced ​​fan blade structure for a fan light according to claim 4, characterized in that: The edge of the insertion cavity and the diffuser blade are integrally formed with reinforcing ribs.

6. The spliced ​​fan blade structure for a fan light according to claim 1, characterized in that: Both the fan blades and the extended blades are plastic structural components.

7. The spliced ​​fan blade structure for a fan light according to claim 1, characterized in that: The number of U-shaped snap-fit ​​springs is two, three, or four, and the number of snap-fit ​​slots is the same as the number of U-shaped snap-fit ​​springs.

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