Ceiling fan with telescopic function

Abstract

The utility model relates to a ceiling fan with a telescopic function, and belongs to the technical field of ceiling fans, the ceiling fan comprises a fan body and a telescopic rod driving the fan body to move in the vertical direction, the telescopic rod comprises a plurality of connecting rods which are connected in a sleeved mode, and driving parts driving the connecting rods to move in the vertical direction are arranged on the connecting rods. The ceiling fan has the effect of conveniently adjusting the height of the ceiling fan.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of ceiling fans, in particular to a ceiling fan with a telescopic function. BACKGROUND

[0002] Ceiling fans are generally fixedly installed on a ceiling and have a certain heat-relieving effect. A general method for installing a ceiling fan is to fix an installation base and a hanging rod on the ceiling.

[0003] The length of a hanging rod of a conventional ceiling fan is generally fixed, which brings many inconveniences in actual application, for example, different lengths of hanging rods are required for rooms of different heights, and fixed-length hanging rods cannot meet all requirements, in addition, users often need to accurately measure the height of a room during installation, thereby increasing the complexity and difficulty of installation. Therefore, there is an urgent need in the market for a ceiling fan with a telescopic hanging rod to improve the applicability and convenience thereof. CONTENT OF THE UTILITY MODEL

[0004] In order to facilitate the adjustment of the height of a ceiling fan, the application provides a ceiling fan with a telescopic function.

[0005] The application provides a ceiling fan with a telescopic function, which adopts the following technical scheme:

[0006] The ceiling fan with a telescopic function comprises a fan body and a telescopic rod for moving the fan body in a vertical direction, the telescopic rod comprises a plurality of mutually sleeved connecting rods, and a driving member for driving the connecting rods to move in the vertical direction is arranged on the connecting rods.

[0007] By adopting the above technical scheme, the connecting rods are driven to move in the vertical direction by the driving member, so that the height of the ceiling fan is adjusted, and the applicability and convenience of the ceiling fan are improved.

[0008] Optionally, a threaded groove is arranged in the inside of a connecting rod with a larger diameter among two adjacent connecting rods, a limiting block is arranged on the side wall of a connecting rod with a smaller diameter among the two adjacent connecting rods, the limiting block is threadedly connected with the threaded groove, a first limiting assembly for enabling the connecting rod with the smaller diameter to move in the vertical direction is arranged between the two adjacent connecting rods, the driving member is arranged at the end of a connecting rod with the largest diameter and is used for driving the connecting rod with the largest diameter to rotate, and the fan body is connected with the end of a connecting rod with the smallest diameter.

[0009] By adopting the above technical scheme, the connecting rod with the smaller diameter is limited by the first limiting assembly and moves in the vertical direction, and the connecting rod with the largest diameter is driven to rotate by the driving member, so that the connecting rod with the smaller diameter moves in the vertical direction, thereby realizing the adjustment of the length of the telescopic rod and facilitating the adjustment of the height of the fan body.

[0010] Optionally, the first limiting assembly comprises a limiting ring, an electric telescopic rod and a limiting rod, the limiting ring is fixedly connected to the outer wall of the connection rod with larger diameter among the adjacent two connection rods and protrudes from the end of the connection rod, a fixing rod is arranged on the limiting ring at the connection rod with the largest diameter, one end of the fixing rod is fixedly connected to the limiting ring, the other end of the fixing rod is fixedly connected to the roof, the electric telescopic rod is arranged on the side of the limiting ring close to the connection rod, the push rod of the electric telescopic rod moves in the horizontal direction, the limiting rod is arranged at the end of the electric telescopic rod away from the limiting ring, and a limiting groove for the limiting rod to move in the vertical direction is arranged on the connection rod with smaller diameter among the adjacent two connection rods.

[0011] By adopting the above technical scheme, when it is necessary to adjust the height of the fan body, the first electric telescopic rod is driven to start, the push rod of the electric telescopic rod moves towards the direction of the connection rod, and the limiting rod abuts against the limiting groove, so that the limiting of the connection rod with smaller diameter among the adjacent two connection rods is facilitated, and the length of the telescopic rod is adjusted.

[0012] Optionally, a pulley is arranged at the end of the limiting rod away from the electric telescopic rod, and the pulley slides in the limiting groove.

[0013] By adopting the above technical scheme, by arranging the pulley, the friction between the limiting rod and the limiting groove is reduced, and the connection rod moves more smoothly in the vertical direction.

[0014] Optionally, a second limiting assembly for moving the limiting ring in the vertical direction is arranged between the adjacent two limiting rings.

[0015] By adopting the above technical scheme, by arranging the second limiting assembly to limit other connection rods, the other connection rods can only move in the vertical direction, and the height adjustment range is increased.

[0016] Optionally, the second limiting assembly comprises a vertically arranged insertion rod and a sleeve, the insertion rod is arranged in the sleeve and moves along the length direction of the sleeve, one end of the insertion rod away from the sleeve is arranged on the limiting ring with smaller diameter among the adjacent two connection rods, and the side wall of the sleeve close to the insertion rod is arranged on the limiting ring of the connection rod with larger diameter.

[0017] By adopting the above technical scheme, when the connection rod with smaller diameter among the adjacent two connection rods moves in the vertical direction, the insertion rod moves along the length direction of the sleeve, so that the connection rod with smaller diameter is limited, and the possibility of rotation of the connection rod with smaller diameter is reduced.

[0018] Optionally, the limiting block is mounted with a pressure detection module close to one side of the fan body, the pressure detection module is electrically connected with a control module, and the control module is electrically connected with the electric telescopic rod.

[0019] Optionally, the driving member is a motor, and an output shaft of the motor is fixedly connected with the connecting rod with the largest diameter.

[0020] To sum up, the application has at least one of the following beneficial technical effects:

[0021] 1. The connecting rod is driven to move in a vertical manner by the driving member, so as to adjust the height of the ceiling fan, thereby improving the applicability and convenience of the ceiling fan.

[0022] 2. The smaller connecting rod is limited by the first limiting assembly to move in the vertical direction, and the largest connecting rod is driven to rotate by the driving member, so that the smaller connecting rod moves in the vertical direction, thereby adjusting the length of the telescopic rod and adjusting the height of the fan body.

[0023] 3. The second limiting assembly is arranged to limit the other connecting rods to move in the vertical direction, thereby increasing the height adjustment range. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a structural schematic view of the application embodiment, which shows the structure of the fan body connected with the roof.

[0025] Figure 2 is a structural schematic view of the application embodiment, which shows the second limiting assembly.

[0026] Figure 3 is a structural schematic view of the application embodiment, which shows the limiting block and the limiting threaded groove.

[0027] Figure 4 is a structural schematic view of the application embodiment, which shows the threaded groove.

[0028] Figure 5 is a local enlarged view of part A of the application embodiment. Figure 4

[0029] Figure 6 is a structural block diagram of the control module control in the application embodiment.

[0030] ​Explanation of reference signs: 1, fan body; 2, telescopic rod; 21, first connecting rod; 211, threaded groove; 22, second connecting rod; 221, limiting block; 222, limiting groove; 23, third connecting rod; 24, driving piece; 3, first limiting assembly; 31, limiting ring; 311, fixed rod; 312, storage groove; 32, electric telescopic rod; 33, limiting rod; 331, pulley; 4, second limiting assembly; 41, plug-in rod; 42, sleeve; 5, pressure detection module; 52, control module; 6, roof. DETAILED DESCRIPTION

[0031] The following description will be made in conjunction with the accompanying drawings. Figures 1-6 The application is further described in detail.

[0032] The application discloses a ceiling fan with telescopic function. Referring to Figure 1 , the ceiling fan with telescopic function comprises a fan body 1 and a telescopic rod 2 for driving the fan body 1 to move in the vertical direction, and the telescopic rod 2 comprises a plurality of connecting rods that are sleeved with each other.

[0033] In this embodiment, the telescopic rod 2 comprises three connecting rods, which are taken as an example for description, referring to Figure 1 and Figure 2 , the telescopic rod 2 comprises a first connecting rod 21, a second connecting rod 22 and a third connecting rod 23, the diameters of the first connecting rod 21, the second connecting rod 22 and the third connecting rod 23 decrease in sequence, the first connecting rod 21 is sleeved on the second connecting rod 22, the second connecting rod 22 is sleeved on the third connecting rod 23, and one end of the first connecting rod 21 away from the second connecting rod 22 is fixedly connected to the roof 6, and a driving piece 24 is arranged on the roof 6, in this embodiment, the driving piece 24 is an electric motor, and the one end of the first connecting rod 21 away from the second connecting rod 22 is fixedly connected to the output shaft of the electric motor.

[0034] Referring to Figure 3 and Figure 4 , a threaded groove 211 is arranged in the first connecting rod 21 and the second connecting rod 22, limiting blocks 221 are fixedly connected to the side walls of the second connecting rod 22 close to the first connecting rod 21 and the third connecting rod 23 close to the second connecting rod 22, the limiting block 221 of the second connecting rod 22 is threadedly connected with the threaded groove 211 of the first connecting rod 21, and the limiting block 221 of the third connecting rod 23 is threadedly connected with the threaded groove 211 of the second connecting rod 22, referring to Figure 4 and Figure 5 , a first limiting assembly 3 is arranged on the first connecting rod 21 and the second connecting rod 22.

[0035] In the embodiment, the first limiting assembly 3 is described by taking the first limiting rod 33 as an example. The first limiting assembly 3 comprises a limiting ring 31, an electric telescopic rod 32 and a limiting rod 33. The limiting ring 31 is fixedly connected to the side wall of the first connecting rod 21 close to the second connecting rod 22 and protrudes from the first connecting rod 21. The electric telescopic rod 32 is installed in the storage groove 312 in the limiting ring 31 close to the first connecting rod 21. The push rod of the electric telescopic rod 32 extends in the horizontal direction. The limiting rod 33 is fixedly connected to the end of the electric telescopic rod 32 away from the limiting ring 31. The end of the limiting rod 33 away from the electric telescopic rod 32 is provided with a pulley 331. The limiting groove 222 is formed in the second connecting rod 22 for the pulley 331 to move along the length direction of the second connecting rod 22. Figure 1 The fixed rod 311 is provided on the limiting ring 31. One end of the fixed rod 311 is fixedly connected to the limiting ring 31. The other end of the fixed rod 311 is fixedly connected to the roof 6. The storage groove 312 is formed in the inner wall of the limiting ring 31 close to the first connecting rod 21. The electric telescopic rod 32 is installed in the storage groove 312. The push rod of the electric telescopic rod 32 extends in the horizontal direction. The limiting rod 33 is fixedly connected to the end of the electric telescopic rod 32 away from the limiting ring 31. The end of the limiting rod 33 away from the electric telescopic rod 32 is provided with the pulley 331. The limiting groove 222 is formed in the second connecting rod 22 for the pulley 331 to move along the length direction of the second connecting rod 22.

[0036] Referring to Figure 2 The second limiting assembly 4 is arranged between the two limiting rings 31. The second limiting assembly 4 comprises a plug-in rod 41 and a sleeve 42. The plug-in rod 41 is arranged inside the sleeve 42 and moves along the length direction of the plug-in rod 41. The end of the plug-in rod 41 away from the sleeve 42 is fixedly connected to the limiting ring 31 on the second connecting rod 22. The side wall of the sleeve 42 close to the end of the plug-in rod 41 is fixedly connected to the limiting ring 31 of the first connecting rod 21.

[0037] Referring to Figure 6 The pressure detection module 5 is installed on the side of the limiting block 221 close to the fan body 1. The pressure detection module 5 is electrically connected with the control module 52. The control module 52 is electrically connected with the electric telescopic rod 32.

[0038] In the embodiment, the pressure detection module 5 adopts a pressure sensor. The control module 52 adopts a plc controller.

[0039] When the height of the fan body 1 needs to be reduced, first, the length of the second connecting rod 22 extending out of the first connecting rod 21 is adjusted, at this time, the electric telescopic rod 32 at the first connecting rod 21 is started, the push rod of the electric telescopic rod 32 moves towards the direction of the second connecting rod 22, until the pulley 331 abuts against the limiting groove 222, so that the second connecting rod 22 can only move along the length direction of the first connecting rod 21, at this time, the motor is started, the motor drives the first connecting rod 21 to rotate, so that the second connecting rod 22 moves along the length direction of the first connecting rod 21, when the limiting block 221 abuts against the top wall of the first connecting rod 21, the pressure detection module 5 sends the detected pressure data to the control module 52, the control module 52 controls the electric telescopic rod 32 at the first connecting rod 21 to start, the push rod moves away from the direction of the second connecting rod 22, until the pulley 331 completely separates from the limiting groove 222, at this time, the first connecting rod 21 and the second connecting rod 22 rotate simultaneously.

[0040] When the second connecting rod 22 extends to the maximum length, and the height of the fan body 1 still needs to be reduced, the electric telescopic rod 32 at the second connecting rod 22 is started, the push rod of the electric telescopic rod 32 moves towards the direction of the third connecting rod 23, until the pulley 331 abuts against the limiting groove 222, at this time, the motor is started, the motor drives the first connecting rod 21 and the second connecting rod 22 to rotate simultaneously, the plug-in rod 41 moves along the length direction of the sleeve 42, the limiting ring 31 at the second connecting rod 22 is limited, so that the third connecting rod 23 can only move along the length direction of the second connecting rod 22, when the limiting block 221 abuts against the top wall of the second connecting rod 22, the pressure detection module 5 sends the detected pressure data to the control module 52, the control module 52 controls the electric telescopic rod 32 at the second connecting rod 22 to start, the push rod moves away from the direction of the second connecting rod 22, until the pulley 331 completely separates from the groove, and the limiting of the third connecting rod 23 is released.

[0041] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: all equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A ceiling fan with a telescopic function, characterized in that: It includes a fan body (1) and a telescopic rod (2) that drives the fan body (1) to move in the vertical direction. The telescopic rod (2) includes multiple connecting rods that are sleeved on each other. The connecting rod is provided with a driving member (24) that drives the connecting rod to move in the vertical direction.

2. A ceiling fan with telescopic function according to claim 1, characterized in that: The larger diameter connecting rod of the two adjacent connecting rods has a threaded groove (211) inside. The smaller diameter connecting rod of the two adjacent connecting rods has a limiting block (221) on its side wall. The limiting block (221) is threadedly connected to the threaded groove (211). A first limiting component (3) is provided between the two adjacent connecting rods to allow the smaller diameter connecting rod to move in the vertical direction. The driving component (24) is provided at the end of the largest diameter connecting rod to drive the largest diameter connecting rod to rotate. The fan body (1) is connected to the end of the smallest diameter connecting rod.

3. A ceiling fan with telescopic function according to claim 2, characterized in that: The first limiting component (3) includes a limiting ring (31), an electric telescopic rod (32), and a limiting rod (33). The limiting ring (31) is fixedly connected to the outer wall of the larger diameter connecting rod among two adjacent connecting rods and protrudes from the end of the connecting rod. A fixing rod (311) is provided on the limiting ring (31) at the connecting rod with the largest diameter. One end of the fixing rod (311) is fixedly connected to the limiting ring (31), and the other end of the fixing rod (311) is fixedly connected to the roof (6). The electric telescopic rod (32) is located on the side of the limiting ring (31) close to the connecting rod. The push rod of the electric telescopic rod (32) moves in the horizontal direction. The limiting rod (33) is located at the end of the electric telescopic rod (32) away from the limiting ring (31). A limiting groove (222) is provided on the smaller diameter connecting rod among two adjacent connecting rods for the limiting rod (33) to move in the vertical direction.

4. A ceiling fan with telescopic function according to claim 3, characterized in that: The end of the limiting rod (33) away from the electric telescopic rod (32) is provided with a pulley (331), and the pulley (331) slides in the limiting groove (222).

5. A ceiling fan with telescopic function according to claim 3, characterized in that: A second limiting component (4) is provided between two adjacent limiting rings (31) for moving the limiting rings (31) in the vertical direction.

6. A ceiling fan with telescopic function according to claim 5, characterized in that: The second limiting component (4) includes a vertically arranged plug rod (41) and a sleeve (42). The plug rod (41) is disposed inside the sleeve (42) and moves along the length of the sleeve (42). The end of the plug rod (41) away from the sleeve (42) is disposed on the limiting ring (31) with a smaller diameter among two adjacent connecting rods. The side wall of the sleeve (42) near the end of the plug rod (41) is disposed on the limiting ring (31) of the connecting rod with a larger diameter.

7. A ceiling fan with telescopic function according to claim 3, characterized in that: The limiting block (221) is equipped with a pressure detection module (5) on the side near the fan body (1). The pressure detection module (5) is electrically connected to a control module (52), and the control module (52) is electrically connected to the electric telescopic rod (32).

8. A ceiling fan with telescopic function according to claim 1, characterized in that: The driving component (24) is a motor, and the output shaft of the motor is fixedly connected to the connecting rod with the largest diameter.

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