Ceiling fan with broken shaft protection device

Abstract

The utility model relates to a ceiling fan with a broken shaft protection device, the main body of the ceiling fan is the ceiling fan, and the ceiling fan comprises a connecting rod, the broken shaft protection device and a blade seat which are sequentially arranged from top to bottom; a connecting shaft is arranged at the top of the blade seat and is fixedly connected with the lower end of the connecting rod; the broken shaft protection device comprises a safety ring and a safety hanging plate; the safety ring is arranged on the periphery of the connecting shaft in a sleeving mode. A connecting seat is arranged on the safety ring, and the connecting seat is fixedly connected with the connecting rod; the safety hanging plate comprises a hanging plate ring and a plurality of connecting keys which are connected to the periphery of the hanging plate ring in an annular array mode and extend outwards, and the outer ends of the connecting keys are fixedly connected with the blade base. The hanging plate ring sleeves the periphery of the connecting shaft and is arranged on the upper side of the safety ring; the inner ring radius of the hanging plate ring is smaller than the outer ring radius of the safety ring. The safety hanging plate is fixedly connected with the blade seat, and the safety ring is fixedly connected with the motor connecting plate, so that the safety hanging plate and the safety ring are not indirectly fixed together as in the prior art, no abnormal sound is generated when the ceiling fan is used, and the user experience is improved.

Description

Technical Field

[0001] The utility model relates to a ceiling fan structure, in particular to a ceiling fan with a shaft-breaking protection device. Background Art

[0002] In modern homes or industrial factories, ceiling fans are common cooling devices.

[0003] Currently, in order to ensure the safety of ceiling fans during use, additional shaft-breaking protection devices are configured to ensure safety. As Figures 5 - 7 shown, it is the ceiling fan structure in the prior art. Its shaft-breaking protection device includes a safety ring and a safety hanging plate. The safety ring 2 is fixedly connected to the blade seat 13 through bolts, and its safety hanging plate 3 is fixedly connected to the connecting rod 12 through bolts. In addition, in its safety hanging plate 3, the inner radius of the hanging plate ring 31 is smaller than the outer radius of the safety ring 2. When the connecting shaft is damaged or broken, under the prior art, the safety hanging plate 3 is firmly fixed to the connecting rod 12, and the blade seat 13 connected to the safety ring 2 can be hung on the safety hanging plate 3. Although this structure can also prevent the blade seat 13 from falling, its safety hanging plate 3 includes three parts, and the three parts are connected by bolts, which is very inconvenient to install. Moreover, the safety ring 2 is locked to the blade seat 13 through bolts. Over time, the safety ring 2 will gradually press the safety hanging plate 3, resulting in a huge frictional force between the safety hanging plate 3 and the safety ring, and ultimately causing strange abnormal noises during the use of the ceiling fan. Summary of the Invention

[0004] The purpose of the utility model is to provide a ceiling fan with a shaft-breaking protection device, which can effectively prevent the safety ring from pressing the safety hanging plate on the premise of ensuring the safety and stability of the ceiling fan, thereby preventing the generation of abnormal noises.

[0005] The utility model is realized through the following technical solutions: A ceiling fan with a shaft-breaking protection device, the main body is a ceiling fan, and the ceiling fan includes a connecting rod, a shaft-breaking protection device, and a blade seat arranged in sequence from top to bottom; wherein, a connecting shaft is provided at the top of the blade seat, and the connecting shaft is fixedly connected to the lower end of the connecting rod; a plurality of rotating blades are further provided on the outer periphery of the blade seat;

[0006] The shaft-breaking protection device includes a safety ring and a safety hanging plate;

[0007] The safety ring is sleeved on the outer periphery of the connecting shaft; a connecting seat is provided on the safety ring, and the connecting seat is fixedly connected to the connecting rod;

[0008] The safety hanging plate includes a hanging plate ring and a plurality of connecting keys connected to the outer periphery of the hanging plate ring in an annular array and extending outwards, and the outer ends of the connecting keys are fixedly connected to the blade seat;

[0009] The hanging plate ring is sleeved on the outer periphery of the coupling shaft and is arranged above the safety ring. Among them, the inner radius of the hanging plate ring is smaller than the outer radius of the safety ring.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] 1. The safety hanging plate of the present utility model is fixedly connected to the blade seat, and the safety ring is fixedly connected to the motor connecting plate, so that the safety hanging plate and the safety ring are not indirectly fixed together as in the prior art, and no abnormal noise will occur during the use of the ceiling fan, improving the user experience.

[0012] 2. The safety ring and the safety hanging plate of the present utility model cooperate with each other, which can effectively prevent the ceiling fan from falling due to improper installation or loosening after long-term use, ensuring the safe use of the ceiling fan.

[0013] 3. The hanging plate ring and the connecting key of the safety hanging plate are integrally formed, reducing the number of parts and making the installation easier and more convenient. Description of the Drawings

[0014] Figure 1 is a schematic structural diagram of the present utility model;

[0015] Figure 2 is a schematic structural diagram of the safety hanging plate;

[0016] Figure 3 is a schematic structural diagram of the safety ring;

[0017] Figure 4 is an effect diagram of the present utility model when the safety ring is installed first;

[0018] Figure 5 is a schematic structural diagram of a ceiling fan under the prior art;

[0019] Figure 6 is a schematic structural diagram of the safety hanging plate under the prior art;

[0020] Figure 7 is a schematic structural diagram of the safety ring under the prior art.

[0021] Reference numerals: 11 hanger, 12 connecting rod, 121 motor connecting plate, 13 blade seat, 131 coupling shaft, 132 rotating blade, 2 safety ring, 21 connecting seat, 3 safety hanging plate, 31 hanging plate ring, 32 connecting key. Detailed Embodiment

[0022] The following will describe the present utility model in detail with reference to the drawings, but the protection scope of the present utility model is not limited to the following:

[0023] As Figures 1 to 4As shown in the figure, a ceiling fan with a broken shaft protection device, the main body is a ceiling fan, which includes a connecting rod 12, a broken shaft protection device, and a blade seat 13 arranged in sequence from top to bottom; among them, a coupling shaft 131 is provided at the top of the blade seat 13, and the coupling shaft 131 is fixedly connected to the lower end of the connecting rod 12; a plurality of rotating blades 132 are further provided on the outer periphery of the blade seat 13;

[0024] The broken shaft protection device includes a safety ring 2 and a safety hanging plate 3;

[0025] The safety ring 2 is sleeved on the outer periphery of the coupling shaft 131; a connecting seat 21 is provided on the safety ring 2, and the connecting seat 21 is fixedly connected to the connecting rod 12;

[0026] The safety hanging plate 3 includes a hanging plate ring 31 and a plurality of connecting keys 32 connected to the outer periphery of the hanging plate ring 31 in an annular array and extending outward, and the outer ends of the connecting keys 32 are fixedly connected to the blade seat 13;

[0027] The hanging plate ring 31 is sleeved on the outer periphery of the coupling shaft 131 and is arranged on the upper side of the safety ring 2, wherein the inner radius of the hanging plate ring 31 is smaller than the outer radius of the safety ring 2.

[0028] Two connecting plates 121 extending downward are fixedly connected to the lower end of the connecting rod 12;

[0029] The two connecting plates 121 are symmetrically arranged, and the parts of the two connecting plates 121 extending out of the connecting plates 121 form a gap for accommodating the coupling shaft 131; the coupling shaft 131 is located between the gaps, and the coupling shaft 131 is fixedly connected to the connecting plates 121 by bolts. In the safety hanging plate 3 of the present invention, it is fixedly connected to the blade seat 13, and the safety ring 2 is fixedly connected to the motor connecting plate 121, so that the safety hanging plate 3 and the safety ring 2 are not pressed together, and no abnormal noise will occur when the ceiling fan is in use. Moreover, the safety hanging plate 3 is an integrally formed structure, reducing the number of parts.

[0030] When the coupling shaft 131 breaks, the hanging plate ring 31 can be firmly sleeved on the safety ring 2 to prevent the blade seat 13 from falling downward.

[0031] Two connecting seats 21 are provided on the safety ring 2, and the two connecting seats 21 are respectively fixedly connected to the two connecting plates 121. This structure is a conventional technology, so no more details will be described.

[0032] A hanger 11 is provided at the top of the connecting rod 12 for connecting to a carrier. The hanger 11 is generally used to connect to the ceiling.

[0033] Furthermore, in the present invention, most of the connection positions are realized by the way of bolt fixed connection. This technology is a conventional technical means, so no more details will be described.

[0034] In summary, when the coupling is damaged or broken in the present utility model, the blade seat will generate a downward force due to its own weight. If not prevented, it is very easy for the blade seat to cause harm to humans and cause huge damage after falling. In the present utility model, by the mutual cooperation of the safety ring and the safety hanging plate, the safety ring restricts the downward movement of the safety hanging plate, and the falling blade seat is restricted by the safety hanging plate, which can effectively prevent the blade seat from falling and thus prevent the ceiling fan from causing harm.

[0035] Although the present utility model is illustrated and described by using specific embodiments and their alternative ways, it should be understood that various changes and modifications can be implemented as long as they do not deviate from the spirit of the present utility model. Therefore, it should be understood that the present utility model is not limited in any sense except being restricted by the appended claims and their equivalent conditions.

Claims

1. A ceiling fan with a broken shaft protection device, the main body of the ceiling fan comprising a connecting rod (12), a broken shaft protection device and a blade seat (13) arranged in sequence from top to bottom; wherein: A connecting shaft (131) is provided at the top of the blade seat (13), and the connecting shaft (131) is fixedly connected to the lower end of the connecting rod (12); a plurality of rotating blades (132) are also provided on the outer periphery of the blade seat (13); The invention is characterized in that: the broken shaft protection device comprises a safety ring (2) and a safety hanging plate (3); The safety ring (2) is sleeved on the outer circumference of the connecting shaft (131); a connecting seat (21) is provided on the safety ring (2), and the connecting seat (21) is fixedly connected to the connecting rod (12); The safety hanging plate (3) comprises a hanging plate ring (31) and a plurality of connecting keys (32) connected to the outer periphery of the hanging plate ring (31) in an annular array and extending outward, wherein the outer ends of the connecting keys (32) are fixedly connected to the blade seat (13); The hanging plate ring (31) is sleeved on the outer circumference of the connecting shaft (131) and is arranged on the upper side of the safety ring (2), wherein the inner ring radius of the hanging plate ring (31) is smaller than the outer ring radius of the safety ring (2).

2. A ceiling fan with a broken shaft protection device according to claim 1, characterized in that: The lower end of the connecting rod (12) is fixedly connected to two connecting plates (121) extending downwards; The two connecting plates (121) are symmetrically arranged, and portions of the two connecting plates (121) extending out of the connecting plates (121) form a gap for accommodating the connecting shaft (131); the connecting shaft (131) is located between the gaps, and the connecting shaft (131) is fixedly connected to the connecting plates (121) by bolts.

3. A ceiling fan with a broken shaft protection device according to claim 2, characterized in that: Two connecting seats (21) are provided on the safety ring (2), and the two connecting seats (21) are fixedly connected to the two connecting plates (121) respectively.

4. A ceiling fan with a broken shaft protection device according to claim 1, characterized in that: A hanger (11) is provided on the top of the connecting rod (12) for connecting to a carrier.

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