Blade opening and closing mechanism for fan lamp

Abstract

The utility model relates to the technical field of fan lamp devices, and discloses a fan lamp blade opening and closing mechanism which comprises a shell, a disc is fixedly connected to the outer side of the shell, a rotating disc is arranged above the disc, fan blades are fixedly connected to the outer side of the rotating disc, a fixing shaft is fixedly connected to the inner bottom face of the disc, and the fixing shaft is fixedly connected to the outer side of the rotating disc. A torsional spring is fixedly connected to the bottom of the rotating disc, a limiting arc groove is formed in the bottom face in the disc, and a limiting arc block is fixedly connected to the bottom face of the rotating disc. According to the fan lamp, through cooperation of the disc, the rotating disc, the fixing shaft, the torsional spring and the limiting barrel, when the fan lamp operates to drive the shell to rotate, the fan blades can automatically rotate and unfold, stable air volume and air speed are provided, and through cooperation of the limiting arc blocks and the reinforcing ribs, the unfolding and folding angles of the fan blades are limited, so that the fan lamp is more convenient to use. And collision between adjacent fan blades or between the fan blades and the shell is avoided, the structure is simple, maintenance is easy and convenient, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan lamp device technical field especially, it is a kind of fan blade opening and closing mechanism for fan lamp. BACKGROUND

[0002] Fan lamp is a new type of home product combined by ceiling fan and lamp, has illumination, cooling, decoration and multiple functions, can promote indoor air circulation, improve air quality, especially when used with air conditioner, can improve the use efficiency of air conditioner, save energy consumption, including lamp body, fan, lampshade, controller and other structures, while fan and ceiling lamp are controlled by separate switches, can meet different needs of people, fan runs and uses cooperation blade opening and closing mechanism, controls and limits the opening and closing of blade, so that blade also runs stably.

[0003] Through the retrieval, Chinese patent publication number: CN219413013U discloses a kind of blade opening and closing device for fan lamp, including fan lamp operation, rotating bottom disc will drive blade to open outwards under the action of inertia, and drive corresponding rotating disc to follow rotation, every rotating disc is rotated, first adjusting shaft and second adjusting shaft will drive corresponding two connecting rods also follow displacement, under the mutual action between all connecting rods and rotating disc, linkage effect can be formed between each other, so that every rotating disc will drive corresponding blade to open outwards to the outside of bottom disc simultaneously, realize the effect that bottom disc rotation drives blade to open simultaneously, and the moving position of fan blade can be limited, prevent collision between multiple connecting rods, and reduce the pressure of control rod in existing fan lamp blade contraction structure, to further improve the service life of device.

[0004] And the blade opening and closing mechanism above in actual use, when the opening and closing of all fan blades are linked and controlled by multiple adjusting shafts, due to complex structure, more parts are used, more potential fault points, the reliability of system as a whole decreases, at the same time, the increase of the number of parts means that more raw materials are needed, and maintenance is more difficult, therefore, a kind of fan lamp blade opening and closing mechanism is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a kind of fan lamp blade opening and closing mechanism, aims at improving the structure of blade opening and closing mechanism used by fan lamp in prior art, higher cost, and not conducive to repair.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a fan lamp blade opening and closing mechanism, including the casing, the outside fixed connection of casing has the disc, the upper of disc is provided with the carousel, the outside fixed connection of carousel has the fan blade, the inside bottom of disc is fixedly connected with the fixed axle, the bottom fixed connection of carousel has the torsion spring, the inside bottom of disc is set up and is limited arc groove, the bottom fixed connection of carousel has the limit arc block.

[0007] As further description of the above technical scheme:

[0008] The top end of the fixed shaft is rotatably connected to the bottom surface of the carousel.

[0009] As further description of the above technical scheme:

[0010] The bottom end of the torsion spring is fixedly connected to the inner wall bottom surface of the disc.

[0011] As further description of the above technical scheme:

[0012] The limit arc block is slidably connected to the inside of the limit arc groove.

[0013] As further description of the above technical scheme:

[0014] The bottom surface of the carousel is fixedly connected with a limit cylinder.

[0015] As further description of the above technical scheme:

[0016] The limit cylinder is sleeved in the inside of the torsion spring.

[0017] As further description of the above technical scheme:

[0018] The end of the fan blade away from the carousel is provided in an upwarp structure, and the fan blade as a whole is provided in an arc structure.

[0019] As further description of the above technical scheme:

[0020] The center of the fan blade is fixedly connected with a reinforcing rib.

[0021] The utility model has the advantages of:

[0022] 1、The disc, carousel, fixed axle, torsion spring and limit cylinder are cooperated, so that the fan blade is automatically rotated and unfolded when the fan lamp drives the casing to rotate, the stable air volume and air speed are provided, the unfolding and folding angle of the fan blade is limited by the cooperation of the limit arc block and reinforcing rib, the collision between the adjacent fan blades or between the fan blade and the casing is avoided, the structure is simple, the maintenance is simple, the used structure is less, the potential fault point is relatively less, and the practicality is strong. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The whole schematic view of the blade opening and closing mechanism for the fan lamp is provided for the utility model;

[0024] Figure 2 The schematic view of the single fan blade at the shell of the blade opening and closing mechanism for the fan lamp is provided for the utility model;

[0025] Figure 3 The schematic view of the bottom at the fixed shaft of the blade opening and closing mechanism for the fan lamp is provided for the utility model;

[0026] Figure 4 The schematic view of the shell, torsional spring and rotating disc of the blade opening and closing mechanism for the fan lamp after being split is provided for the utility model;

[0027] Figure 5 The schematic view of the fan blade when being folded of the blade opening and closing mechanism for the fan lamp is provided for the utility model.

[0028] Legend:

[0029] 1, shell; 2, disc; 3, rotating disc; 4, fan blade; 5, fixed shaft; 6, torsional spring; 7, limiting cylinder; 8, limiting arc groove; 9, limiting arc block; 10, reinforcing rib. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments 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 scope of protection of the utility model.

[0031] Reference Figures 1-3 An embodiment provided by the utility model: a blade opening and closing mechanism for a fan lamp, comprising a shell 1, a plurality of discs 2 are fixedly connected to the outer side of the shell 1, a rotating disc 3 is arranged above the discs 2, a fan blade 4 is fixedly connected to the outer side of the rotating disc 3, the number and position of the rotating disc 3 and the fan blade 4 are adapted to those of the discs 2, the end of the fan blade 4 away from the rotating disc 3 is arranged in an upwarp structure, and the fan blade 4 is arranged in an arc structure as a whole, the arc structure of the fan blade 4 helps to guide airflow to flow more smoothly and reduce air resistance, thereby improving the efficiency and performance of the fan blade 4, the upwarp structure can increase the contact area of the fan blade 4 with air, thereby generating greater wind power when rotating and providing stronger cooling effect, and the arc and upwarp design can increase the aesthetic property of the fan lamp, making it more attractive in terms of decoration.

[0032] With reference to Figures 2-4 , the inner bottom surface of the disc 2 is fixedly connected with a fixed shaft 5, the bottom surface of the rotating disc 3 is provided with a central hole, the top end of the fixed shaft 5 is rotationally connected with the inside of the central hole, the rotating disc 3 can rotate around the connection with the fixed shaft 5, the bottom of the rotating disc 3 is fixedly connected with a torsion spring 6, the bottom end of the torsion spring 6 is fixedly connected with the inner wall bottom surface of the disc 2, when the rotating disc 3 rotates, it can drive the torsion spring 6 to twist, thereby making the torsion spring 6 generate a torque, when the rotating disc 3 stops rotating, it will rotate back under the action of the torque of the torsion spring 6, the bottom surface of the rotating disc 3 is fixedly connected with a limiting cylinder 7, the limiting cylinder 7 is sleeved in the inside of the torsion spring 6, the outer wall diameter of the limiting cylinder 7 is smaller than the diameter of the torsion spring 6, which can limit the torsion spring 6 and avoid large deviation of the torsion spring 6, thereby affecting its use effect.

[0033] With reference to Figure 2 , Figure 3 and Figure 5 , the inner bottom surface of the disc 2 is provided with a limiting arc groove 8, the bottom surface of the rotating disc 3 is fixedly connected with a limiting arc block 9, when the rotating disc 3 rotates, it can drive the limiting arc block 9 to move synchronously, thereby making the limiting arc block 9 move inside the limiting arc groove 8, the movable distance of the limiting arc block 9 inside the limiting arc groove 8 is the openable degree of the rotating disc 3 and the fan blade 4, when the rotating disc 3 and the fan blade 4 drive the limiting arc block 9 to rotate to abut and limit with the inner wall of the limiting arc groove 8, they will stop rotating, thereby limiting the unfolding and folding degree of the fan blade 4, avoiding collision between the fan blades 4 when they are opened, and avoiding collision between the fan blades 4 and the shell 1 when they are folded, the center of the fan blade 4 is fixedly connected with a reinforcing rib 10, the reinforcing rib 10 can enhance the overall structural strength of the fan blade 4, so that it can withstand greater centrifugal force when rotating at high speed, reducing the risk of deformation or fracture of the fan blade 4, and improving the service life of the fan blade 4.

[0034] Working principle: when the fan lamp runs to drive the shell 1 to rotate, the rotating disc 3 and the fan blade 4 will move synchronously, at this time, the fan blade 4 will rotate and expand outward around the fixed shaft 5 under the action of centrifugal force, at the same time, the fan blade 4 will drive the rotating disc 3 to rotate synchronously, the torsional spring 6 is rotated to generate torque, and the rotating disc 3 rotates to drive the limiting arc block 9 to slide synchronously in the limiting arc groove 8, when the limiting arc block 9 slides to the inner wall of the limiting arc groove 8 and cannot move, the fan blade 4 can be limited synchronously, so that the fan blade 4 keeps stable expansion state, when the fan lamp is turned off, the shell 1 gradually stops, at this time, the centrifugal force acting on the fan blade 4 gradually disappears, the fan blade 4 will slowly reset under the action of the torque of the torsional spring 6, when reaching the initial state, the limiting arc block 9 continues to limit the inner wall of the limiting arc groove 8, the fan blade 4 can be stably reset above the shell 1, the structure is simple, convenient to maintain and high in practicality.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A blade opening and closing mechanism for a fan light comprising a housing (1), characterized in that: The outer side of the shell (1) is fixedly connected with a disc (2), the upper side of the disc (2) is provided with a rotating disc (3), the outer side of the rotating disc (3) is fixedly connected with a fan blade (4), the inner bottom surface of the disc (2) is fixedly connected with a fixed shaft (5), the bottom of the rotating disc (3) is fixedly connected with a torsional spring (6), the inner bottom surface of the disc (2) is provided with a limiting arc groove (8), and the bottom surface of the rotating disc (3) is fixedly connected with a limiting arc block (9).

2. A blade opening and closing mechanism for a fan lamp according to claim 1, characterized in that: The top end of the fixed shaft (5) is rotatably connected with the bottom surface of the rotating disc (3).

3. A blade opening and closing mechanism for a fan lamp according to claim 1, characterized in that: The bottom end of the torsional spring (6) is fixedly connected with the inner wall bottom surface of the disc (2).

4. A blade opening and closing mechanism for a fan lamp according to claim 1, characterized in that: The limiting arc block (9) is slidably connected with the inner side of the limiting arc groove (8).

5. A blade opening and closing mechanism for a fan lamp according to claim 1, characterized in that: The bottom surface of the rotating disc (3) is fixedly connected with a limiting cylinder (7).

6. A blade opening and closing mechanism for a fan lamp according to claim 5, characterized in that: The limiting cylinder (7) is sleeved in the torsional spring (6).

7. A blade opening and closing mechanism for a fan lamp according to claim 1, characterized in that: The end, away from the rotating disc (3), of the fan blade (4) is provided in an upwarp structure, and the fan blade (4) is provided in an overall arc structure.

8. A blade opening and closing mechanism for a fan lamp according to claim 1, characterized in that: The center of the fan blade (4) is fixedly connected with a reinforcing rib (10).

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