A ceiling fan with adjustable lifting structure

By introducing a height adjustment mechanism into the ceiling fan, the air volume and space problems caused by fixed installation are solved, and the flexible installation and adjustment of the ceiling fan body is realized, the air volume and air flow are improved, and it is suitable for a variety of scenarios.

CN113187748BActive Publication Date: 2024-12-10ZHONGSHAN HUILIPU MOTOR
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Patent Information

Application Number
CN202110518629.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2021-04-30
Filing Date
2021-05-12
Publication Date
2024-12-10
Estimated Expiration
2041-05-12

AI Technical Summary

Technical Problem

The installation location of existing ceiling fans, ceiling fan lights and ceiling fans is fixed, affecting air volume and space use, and is difficult to clean and adjust the exposure range, which lacks flexibility.

Method used

A ceiling fan with an adjustable lifting structure is designed. Through a height adjustment mechanism, including connecting parts, fixing frames, adjustment parts and drive devices, the ceiling fan body allows installation and adjustment at different heights, which facilitates cleaning and space utilization, and is passed through a motor. and gear system to achieve automatic height adjustment.

Benefits of technology

It realizes flexible installation and adjustment of the ceiling fan body, improves air volume and air flow, is convenient for cleaning and maintenance, is suitable for indoor and outdoors, and expands application scenarios and usage scope.

✦ Generated by Eureka AI based on patent content.

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    Figure CN113187748B_ABST
Patent Text Reader

Abstract

The present invention discloses a ceiling fan with an adjustable lifting structure, including a ceiling fan body and a mounting portion connected to the ceiling fan body and capable of hanging the ceiling fan body at a set position, and a height adjustment mechanism for adjusting the height of the ceiling fan body is also provided between the mounting portion and the ceiling fan body. When in use, the present invention can be installed at a set position through the mounting portion, and the height of the ceiling fan body can be adjusted through the height adjustment mechanism, so that the ceiling fan body is adjusted to an appropriate position, so that the ceiling fan body can play the best effect, and the lower the height of the ceiling fan body is, the closer it is to the ground, which can facilitate users to wipe and clean the outer shell and exposed parts of the ceiling fan body, and after the height of the ceiling fan body is lowered, it can also be easily disassembled, which is very convenient to use. The ceiling fan body in the present invention can be a ceiling fan, a ceiling fan lamp, a ceiling fan and other suspended electrical appliances.
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Description

[Technical field]

[0001] The invention relates to the field of electrical appliances, and in particular to a ceiling fan with an adjustable lifting structure. [Background technology]

[0002] In the prior art, ceiling fans, ceiling fan lights, ceiling fans, etc. are all fixedly hung on the ceiling. Once installed, their positions are fixed and users cannot adjust them according to their needs. The details are as follows:

[0003] When a ceiling fan or ceiling fan light or ceiling fan is installed on the ceiling, if it is close to the ceiling, the airflow of the ceiling fan or ceiling fan light or ceiling fan will be affected, reducing the airflow and the air volume; if the ceiling fan or ceiling fan light or ceiling fan is installed far away from the ceiling, the suspension rod will inevitably extend a long distance, resulting in a less compact structure and easy to hinder and affect the use of space. In addition, even if the existing ceiling fan light adopts a structure with foldable blades, it is still easy to see the blades after folding, affecting the appearance; furthermore, the illumination range of the existing ceiling fan light is fixed, and it cannot be adjusted according to the application scene and lacks flexibility.

[0004] Moreover, these ceiling fans are installed on the ceiling or other high places. When not in use, no matter whether the fan blades are folded or not, they are easily stained with dust and become dirty. Therefore, it is not convenient to disassemble and clean them. If you use a ladder to clean them directly, it is dangerous.

[0005] The present invention is developed based on the above-mentioned shortcomings. [Summary of the invention]

[0006] The object of the present invention is to overcome the deficiencies of the prior art and to provide a ceiling fan with an adjustable lifting structure which has a simple structure and is convenient for adjusting the height between a ceiling fan body and a mounting portion.

[0007] The present invention is achieved through the following technical solutions:

[0008] A ceiling fan with an adjustable lifting structure is characterized in that it includes a ceiling fan body 1 and a mounting portion 2 connected to the ceiling fan body 1 and capable of hanging the ceiling fan body 1 at a set position, and a height adjustment mechanism 3 for adjusting the height of the ceiling fan body 1 is also provided between the mounting portion 2 and the ceiling fan body 1.

[0009] The ceiling fan with an adjustable lifting structure as described above is characterized in that: the height adjustment mechanism 3 includes a connecting member 31 connected to the ceiling fan body 1 and a fixing frame 32 connected to the mounting portion 2, and an adjusting member 33 is provided between the connecting member 31 and the fixing frame 32, which is movably connected to the two and can drive the connecting member 31 to rise or fall when rotating, and the height adjustment mechanism 3 also includes a driving device 34 that can drive the adjusting member 33 to move.

[0010] The ceiling fan with an adjustable lifting structure as described above is characterized in that one end of the adjusting member 33 is rotatably connected to the fixing frame 32 , and the adjusting member 33 is rotatably connected to the connecting member 31 around the first axis A.

[0011] The ceiling fan with an adjustable lifting structure as described above is characterized in that: the adjusting member 33 is provided with a plurality of protruding teeth 331, and the driving device 34 includes a first driving motor 341 and a first transmission gear 342 which is arranged on the output shaft of the first driving motor 341 and meshes with the adjusting member 33 for transmission.

[0012] The ceiling fan with an adjustable lifting structure as described above is characterized in that: the height adjustment mechanism 3 includes a connecting rod 36 connected to the ceiling fan body 1, a screw rod 37 is connected to the connecting rod 36 and moves up and down relative to it through a thread, a second driven gear 38 is fixedly connected to the screw rod 37, and the height adjustment mechanism 3 also includes a second drive motor 39, and a second main drive gear 35 that can mesh with the second driven gear 38 is connected to the output shaft of the second drive motor 39.

[0013] The ceiling fan with an adjustable lifting structure as described above is characterized in that: the height adjustment mechanism 3 includes a first rotating arm 3a and a second rotating arm 3b rotatably connected to the ceiling fan body 1, the mounting portion 2 is connected to a first rotating member 3c capable of driving the first rotating arm 3a to move up and down, and the mounting portion 2 is also connected to a second rotating member 3d capable of driving the second rotating arm 3b to move up and down.

[0014] The ceiling fan with an adjustable lifting structure as described above is characterized in that: the first rotating member 3c includes a first fixed bracket 41 connected to the mounting portion 2, the first fixed bracket 41 is rotatably connected to a third rotating arm 42, and the lower end of the third rotating arm 42 can rotate around a second axis B with the upper end of the first rotating arm 3a, the first fixed bracket 41 is also provided with a third driving motor 43 that can drive the upper end of the third rotating arm 42 to rotate, the second rotating member 3d includes a second fixed bracket 44 connected to the mounting portion 2, the second fixed bracket 44 is rotatably connected to a fourth rotating arm 45, and the lower end of the fourth rotating arm 45 can be rotatably connected to the upper end of the second rotating arm 3b around a third axis C, the second fixed bracket 44 is also connected to a fourth driving motor 46 that can drive the upper end of the fourth rotating arm 45 to rotate, and the ceiling fan body 1 is also provided with a guide groove 12 that can cooperate with the first fixed bracket 41 and the second fixed bracket 44.

[0015] The ceiling fan with an adjustable lifting structure as described above is characterized in that: the mounting portion 2 is connected to a fixed seat 3e, the height adjustment mechanism 3 includes a movable pulley group 3f slidably connected to the fixed seat 3e, the bracket on the movable pulley group 3f is connected to the ceiling fan body 1, and the fixed seat 3e is also provided with a fixed pulley group 3g and a fifth drive motor 3h, and the output shaft of the fifth drive motor 3h is connected to a rope 3i that is connected to the fixed pulley group 3g and the movable pulley group 3f and can drive the movable pulley group 3f to move relative to the fixed seat 3e when the fifth drive motor 3h rotates.

[0016] The ceiling fan with an adjustable lifting structure as described above is characterized in that: a connecting piece 11 is connected to the output shaft of the rotating motor in the ceiling fan body 1, and the connecting piece 11 is also provided with a protrusion 111 protruding outwardly, the height adjustment mechanism 3 includes a column 3j that can be connected to the mounting portion 2 and can allow the connecting piece 11 to slide inside, the column 3j has a spiral groove 3k that can allow the protrusion 111 to slide inside, the upper end of the column 3j is provided with a first rotating groove 3l that allows the protrusion 111 on the mounting portion 2 to rotate relative to the column 3j, the lower end of the column 3j is provided with a second rotating groove 3m that allows the protrusion 111 on the mounting portion 2 to rotate relative to the column 3j, and the first rotating groove 3l and the second rotating groove 3m can be connected to each other through the spiral groove 3k.

[0017] The ceiling fan with an adjustable lifting structure as described above is characterized in that: the height adjustment mechanism 3 includes an electric push rod 3n connected to the mounting portion 2, and the ceiling fan body 1 is connected to the output shaft of the electric push rod 3n.

[0018] Or the height adjustment mechanism 3 also includes a sliding member 3o connected to the ceiling fan body 1 and slidably mounted outside the mounting portion 2, the sliding member 3o is provided with a rack 3p, and the height adjustment mechanism 3 also includes a sixth drive motor 3q, and the output shaft of the sixth drive motor 3q is provided with a third driving gear 3r that can mesh with the rack 3p for transmission.

[0019] Compared with the prior art, the present invention has the following advantages:

[0020] 1. When in use, the present invention can be installed at a set position through the installation part, and the height of the ceiling fan body can be adjusted through the height adjustment mechanism, so that the ceiling fan body is adjusted to an appropriate position, so that the ceiling fan body can play the best effect, and the lower the height of the ceiling fan body is, the closer it is to the ground, which can facilitate users to wipe and clean the outer shell and exposed parts of the ceiling fan body, and after the height of the ceiling fan body is lowered, it can also be easily disassembled, which is very convenient to use.

[0021] 2. The setting position includes a ceiling, a ceiling or a hanger, etc. The ceiling fan with an adjustable lifting structure of the present invention can be used not only indoors but also outdoors.

[0022] 3. The ceiling fan body in the present invention can be a suspended ceiling fan such as a ceiling fan, a ceiling fan lamp and a ceiling fan. The ceiling fan, ceiling fan lamp or ceiling fan are all pre-installed in preset holes in the ceiling, ceiling or hanger, and the lower end of the ceiling fan, ceiling fan lamp or ceiling fan can seal the lower opening of the hole in the ceiling, ceiling or hanger, so that external dust cannot enter the ceiling, ceiling or hanger, and the fan blades will not be contaminated with dust when not in use in winter. The ceiling fan, ceiling fan lamp or ceiling fan can adjust the height through a height adjustment mechanism. When it is far away from the ceiling, the fan blows smoothly, the air flow is good, and the air volume reaches a maximum, which can achieve the effect of dispelling heat and ventilating. When it is not needed, it can be retracted into the ceiling through the height adjustment mechanism without exposing the fan blades, which makes the occupied space smaller and more beautiful. In addition, the ceiling fan lamp can adjust the height through the height adjustment mechanism to adapt to different application scenarios, with a wider range of use and better flexibility.

Brief Description of the Drawings

[0023] Figure 1 is a three-dimensional diagram of a ceiling fan embodiment 1 with a lifting structure of the present invention;

[0024] Figure 2 It is one of the three-dimensional views of the second embodiment of the ceiling fan with a lifting structure of the present invention;

[0025] Figure 3 is a second perspective view of a ceiling fan embodiment 2 with a lifting structure according to the present invention;

[0026] Figure 4 yes Figure 3 Enlarged view of area D in the middle;

[0027] Figure 5 is a three-dimensional diagram of a ceiling fan embodiment 3 with a lifting structure of the present invention;

[0028] Figure 6 It is one of the three-dimensional views of the fourth embodiment of the ceiling fan with a lifting structure of the present invention;

[0029] Figure 7 is a second perspective view of a ceiling fan embodiment 4 with a lifting structure of the present invention;

[0030] Figure 8 is a cross-sectional view of a ceiling fan embodiment 4 with a lifting structure of the present invention;

[0031] Fig. 9 It is one of the exploded views of the fourth embodiment of the ceiling fan with a lifting structure of the present invention;

[0032] Fig.10This is the second exploded view of the fourth embodiment of the ceiling fan with a lifting structure of the present invention;

[0033] Fig.11 is a perspective view of a ceiling fan embodiment 5 with a lifting structure according to the present invention;

[0034] Fig.12 is a perspective view of a ceiling fan embodiment 6 with a lifting structure of the present invention;

[0035] Fig.13 is a cross-sectional view of a ceiling fan embodiment 6 with a lifting structure of the present invention;

[0036] Fig.14 yes Fig.13 Enlarged view of the middle E area;

[0037] Fig.15 yes Fig.13 Enlarged view of the middle F area;

[0038] Fig.16 is a perspective view of a ceiling fan embodiment 7 with a lifting structure according to the present invention;

[0039] Fig.17 It is a stereoscopic diagram of Example 8 of the ceiling fan with a lifting structure of the present invention.

[0040] Fig.18 is a perspective view of a ceiling fan embodiment 9 with a lifting structure according to the present invention;

[0041] Fig.19 It is a stereoscopic diagram of a ceiling fan embodiment 10 with a lifting structure according to the present invention. [Specific implementation method]

[0042] The present invention will be further described below in conjunction with the accompanying drawings:

[0043] Embodiment 1:

[0044] like Figure 1 As shown, the present invention provides a ceiling fan with an adjustable lifting structure, including a ceiling fan body 1 and a mounting portion 2 connected to the ceiling fan body 1 and capable of hanging the ceiling fan body 1 at a set position, and a height adjustment mechanism 3 for adjusting the height of the ceiling fan body 1 is also provided between the mounting portion 2 and the ceiling fan body 1.

[0045] The present invention can be installed at a set position through the mounting portion 2 when in use, and the height of the ceiling fan body 1 can be adjusted through the height adjustment mechanism 3, so that the ceiling fan body 1 is adjusted to an appropriate position, so that the ceiling fan body 1 can play the best effect, and the lower the height of the ceiling fan body 1 is, the closer it is to the ground, which can facilitate the user to wipe and clean the outer shell and exposed parts of the ceiling fan body 1, and after the height of the ceiling fan body 1 is lowered, it can also be easily disassembled, which is very convenient to use. The set position includes the ceiling, ceiling or hanger, etc. The ceiling fan with an adjustable lifting structure of the present invention can be used not only indoors but also outdoors. The ceiling fan body 1 in the present invention can be a ceiling fan, a ceiling fan lamp, a ceiling fan, etc., or a hanging lamp such as a chandelier and a ceiling lamp.

[0046] The ceiling fan body in the present invention can be a suspended ceiling fan such as a ceiling fan, a ceiling fan lamp and a ceiling fan. The ceiling fan, ceiling fan lamp or ceiling fan are all pre-installed in preset holes in the ceiling, ceiling or hanger, and the lower end of the ceiling fan, ceiling fan lamp or ceiling fan can seal the lower opening of the hole in the ceiling, ceiling or hanger, so that external dust cannot enter the ceiling, ceiling or hanger, and the fan blades will not be contaminated with dust when not in use in winter. The ceiling fan, ceiling fan lamp or ceiling fan can adjust the height through a height adjustment mechanism. When it is far away from the ceiling, the fan blows smoothly, the air flow is good, and the air volume reaches a maximum, which can achieve the effect of dispelling heat and ventilating. When it is not needed, it can be retracted into the ceiling through the height adjustment mechanism 3, so that the occupied space is smaller. In addition, the ceiling fan lamp can adjust the height through the height adjustment mechanism 3, so as to adapt to different application scenarios, with a wider range of use and better flexibility.

[0047] The height adjustment mechanism 3 includes a connecting member 31 connected to the ceiling fan body 1 and a fixing frame 32 connected to the mounting portion 2. An adjusting member 33 is movably connected between the connecting member 31 and the fixing frame 32 and can drive the connecting member 31 to rise or fall when rotating. The height adjustment mechanism 3 also includes a driving device 34 that can drive the adjusting member 33 to move.

[0048] One end of the adjusting member 33 is rotatably connected to the fixing frame 32 , and the adjusting member 33 and the connecting member 31 are rotatably connected around the first axis A.

[0049] The adjusting member 33 is provided with a plurality of protruding teeth 331 , and the driving device 34 includes a first driving motor 341 and a first transmission gear 342 which is provided on the output shaft of the first driving motor 341 and meshes with the adjusting member 33 for transmission.

[0050] When in use, the present invention can externally control a button of the first drive motor 341 or can control the first drive motor 341 through a wireless remote control. When the first drive motor 341 is started, it drives the first transmission gear 342 to rotate. When the first transmission gear 342 rotates, it meshes with a plurality of convex teeth 331 on the adjusting member 33 to drive the adjusting member 33 to rotate. When the adjusting member 33 rotates, it can drive the connecting member 31 and the ceiling fan body 1 to move upward or downward relative to the fixing frame 32, thereby adjusting the height of the ceiling fan body 1 so that the ceiling fan body 1 is closer to the ground or closer to the set position.

[0051] Embodiment 2:

[0052] like Figures 2 to 4 As shown, the difference between this embodiment and embodiment 1 is that the ceiling fan body 1 in this embodiment is further provided with a shielding shell on the outside, and the ceiling fan body 1 can protrude from the shell or be stored in the shell through the height adjustment mechanism 3, and the structure is more compact and more beautiful.

[0053] Embodiment 3:

[0054] like Figure 5 As shown, the height adjustment mechanism 3 includes a connecting rod 36 connected to the ceiling fan body 1, a screw rod 37 is connected inside the connecting rod 36 and moves up and down relative to the connecting rod 36 through a thread, a second driven gear 38 is fixedly connected to the screw rod 37, and the height adjustment mechanism 3 also includes a second drive motor 39, and a second main drive gear 35 that can mesh with the second driven gear 38 is connected to the output shaft of the second drive motor 39. When the present invention is used, a button for controlling the second drive motor 39 can be externally connected or the second drive motor 39 can be controlled by a wireless remote controller. When the second drive motor 39 is started, the second main drive gear 35 is driven to rotate, and when the second main drive gear 35 rotates, the second driven gear 38 can be driven to rotate. When the second driven gear 38 rotates, the screw rod 37 is driven to rotate. When the screw rod 37 rotates, the screw rod 37 moves up and down relative to the connecting rod 36 through the thread, thereby adjusting the height of the ceiling fan body 1 and approaching the ground or the set position.

[0055] Embodiment 4:

[0056] like Figures 6 to 10 As shown, the height adjustment mechanism 3 includes a first rotating arm 3a and a second rotating arm 3b rotatably connected to the ceiling fan body 1, the mounting portion 2 is connected to a first rotating member 3c capable of driving the first rotating arm 3a to move up and down, and the mounting portion 2 is also connected to a second rotating member 3d capable of driving the second rotating arm 3b to move up and down.

[0057] like Fig. 9 , 10As shown, the first rotating member 3c includes a first fixed bracket 41 connected to the mounting portion 2, the first fixed bracket 41 is rotatably connected to a third rotating arm 42, and the lower end of the third rotating arm 42 can rotate with the upper end of the first rotating arm 3a around the second axis B, the first fixed bracket 41 is also provided with a third driving motor 43 capable of driving the upper end of the third rotating arm 42 to rotate, the second rotating member 3d includes a second fixed bracket 44 connected to the mounting portion 2, the second fixed bracket 44 is rotatably connected to a fourth rotating arm 45, and the lower end of the fourth rotating arm 45 can be rotatably connected with the upper end of the second rotating arm 3b around the third axis C, the second fixed bracket 44 is also connected to a fourth driving motor 46 capable of driving the upper end of the fourth rotating arm 45 to rotate, and the ceiling fan body 1 is also provided with a guide slot 12 capable of cooperating with the first fixed bracket 41 and the second fixed bracket 44. The guide slot 12 is used to guide the first fixed bracket 41 and the second fixed bracket 44 to slide.

[0058] The present invention can be used with an external button to control the third drive motor 43 and the fourth drive motor 46, or can control the third drive motor 45 and the fourth drive motor 46 through a wireless remote control. When the third drive motor 43 is started, the upper end of the third rotating arm 42 is driven to rotate counterclockwise. When the third rotating arm 42 rotates counterclockwise, its lower end drives the first rotating arm 3a to rotate around the second axis B, so that the first rotating arm 3a moves upward. The lower end of the first rotating arm 3a rotates relative to the ceiling fan body 1 to drive the ceiling fan body 1 to move upward. The fourth drive motor 43 is driven to rotate counterclockwise. 46 is started synchronously when the third drive motor 43 is started. The fourth drive motor 46 drives the upper end of the fourth rotating arm 45 to rotate counterclockwise. When the fourth rotating arm 45 rotates counterclockwise, its lower end drives the second rotating arm 3b to rotate around the third axis C, so that the second rotating arm 3b moves upward. The lower end of the second rotating arm 3b rotates relative to the ceiling fan body 1 and drives the ceiling fan body 1 to move upward. At this time, the ceiling fan body 1 moves upward and approaches the set position. Of course, when the third drive motor 45 rotates clockwise, the ceiling fan body 1 moves downward and approaches the ground.

[0059] Embodiment 5:

[0060] like Fig.11 As shown, the difference between this embodiment and embodiment 1 lies in that a fixed seat 3e is connected to the mounting portion 2, the height adjustment mechanism 3 comprises a movable pulley block 3f slidably connected to the fixed seat 3e, the bracket on the movable pulley block 3f is connected to the ceiling fan body 1, and a fixed pulley block 3g and a fifth drive motor 3h are further provided on the fixed seat 3e, and a rope 3i connected to the fixed pulley block 3g and the movable pulley block 3f and capable of driving the movable pulley block 3f to move relative to the fixed seat 3e when the fifth drive motor 3h rotates is connected to the output shaft of the fifth drive motor 3h.

[0061] When the present invention is used, a button for controlling the fifth drive motor 3h can be externally connected or the fifth drive motor 3h can be controlled by a wireless remote controller. When the fifth drive motor 3h is started counterclockwise, the rope 3i wound on the output shaft of the fifth drive motor 3h is released and becomes longer, and at this time, the movable pulley block 3f can move downward relative to the fixed seat 3e, so that the ceiling fan body 1 is close to the ground. When the fifth drive motor 3h is started clockwise, the loose rope 3i is gradually tightened and wound around the output shaft of the fifth drive motor 3h, and the rope 3i pulls the movable pulley block 3f to move upward relative to the fixed seat 3e, so that the ceiling fan body 1 moves upward with the movable pulley block 3f and away from the ground.

[0062] Embodiment 6:

[0063] like Figures 12 to 15 As shown, a connecting piece 11 is connected to the output shaft of the rotating motor in the ceiling fan body 1, and the connecting piece 11 is also provided with a protrusion 111 protruding outwardly, the height adjustment mechanism 3 includes a column 3j that can be connected to the mounting portion 2 and can allow the connecting piece 11 to slide inside, the column 3j has a spiral groove 3k that can allow the protrusion 111 to slide inside, the upper end of the column 3j is provided with a first rotating groove 3l that can allow the protrusion 111 on the mounting portion 2 to rotate relative to the column 3j, the lower end of the column 3j is provided with a second rotating groove 3m that can allow the protrusion 111 on the mounting portion 2 to rotate relative to the column 3j, and the first rotating groove 3l and the second rotating groove 3m can be connected to each other through the spiral groove 3k.

[0064] When the rotating motor in the ceiling fan body 1 is started, the output shaft of the rotating motor can drive the mounting part 2 to rotate relative to the column 3j, and when the rotating motor is at a low speed, the protrusion 111 on the mounting part 2 can be aligned with the spiral groove 3k and the first rotating groove 31 or the second rotating groove 3m and enter the spiral groove 3k, and the friction between the protrusion 111 and the spiral groove 3k drives the mounting part 2 and the ceiling fan body 1 to move upward from the second rotating groove 3m to the first rotating groove 31 or downward from the first rotating groove 31 to the second rotating groove 3m, thereby adjusting the height of the ceiling fan body 1 and the mounting part 2, approaching the ground or approaching the set position. When the rotating motor is at a high speed, the protrusion 111 rotates relative to the first rotating groove 31 or the second rotating groove 3m without entering the spiral groove 3k.

[0065] Embodiment 7:

[0066] like Fig.16As shown, the difference between this embodiment and the embodiment 1 is that the height adjustment mechanism 3 includes an electric push rod 3n connected to the mounting portion 2, and the ceiling fan body 1 is connected to the output shaft of the electric push rod 3n. When in use, the present invention can be externally connected to a button to control the electric push rod 3n or can be controlled by a wireless remote controller. When the electric push rod 3n is started, the push rod on it can extend downward or reset upward, thereby adjusting the height of the ceiling fan body 1.

[0067] Embodiment 8:

[0068] like Fig.17 As shown, the difference between this embodiment and embodiment 1 is that the height adjustment mechanism 3 also includes a sliding member 3o connected to the ceiling fan body 1 and slidably mounted outside the mounting portion 2, the sliding member 3o is provided with a rack 3p, and the height adjustment mechanism 3 also includes a sixth drive motor 3q, and the output shaft of the sixth drive motor 3q is provided with a third driving gear 3r that can mesh with the rack 3p for transmission.

[0069] When in use, the present invention can externally control the button of the sixth drive motor 3q or control the sixth drive motor 3q through a wireless remote controller. When the sixth drive motor 3q is started, the output shaft thereon can drive the third driving gear 3r on the sliding member 3o to rotate. When the third driving gear 3r rotates, it cooperates with the rack 3p to make the sliding member 3o slide relative to the mounting portion 2. At this time, the sliding member 3o and the ceiling fan body 1 can move downward relative to the mounting portion 2 and approach the ground or reset upward.

[0070] Embodiment 9:

[0071] like Fig.18 As shown, the difference between this embodiment and embodiment 1 is that the electrical appliance body 1 can be replaced by a chandelier.

[0072] The height of the chandelier can be adjusted through the height adjustment mechanism 3, and can be adjusted according to the needs of the user, so as to change the range of illumination. It can be adjusted according to different scenes, has a wider range of applications, better flexibility, and the ceiling lamp can be retracted into the ceiling when not in use, occupying less space.

[0073] Embodiment 10:

[0074] like Fig.19 As shown, the difference between this embodiment and embodiment 2 is that the electrical appliance body 1 can be replaced by a ceiling lamp.

[0075] The ceiling lamp is embedded in the ceiling during installation, and the illumination range is fixed. The ceiling lamp in the present invention can be extended to the outside of the ceiling by adjusting the height through the height adjustment mechanism 3, thereby changing the illumination range. It can be adjusted according to the application scenario, with a wider range of applications and better flexibility. Moreover, when not in use, the ceiling lamp can be retracted into the ceiling, occupying less space.

Claims

1. A ceiling fan with an adjustable lifting structure, characterized in that: The invention comprises a ceiling fan body (1) and a mounting portion (2) connected to the ceiling fan body (1) and capable of hanging the ceiling fan body (1) at a set position, and a height adjustment mechanism (3) for adjusting the height of the ceiling fan body (1) is also provided between the mounting portion (2) and the ceiling fan body (1); The height adjustment mechanism (3) comprises a first rotating arm (3a) and a second rotating arm (3b) rotatably connected to the ceiling fan body (1); the mounting portion (2) is connected to a first rotating member (3c) capable of driving the first rotating arm (3a) to move up and down; the mounting portion (2) is also connected to a second rotating member (3d) capable of driving the second rotating arm (3b) to move up and down; The first rotating member (3c) comprises a first fixed bracket (41) connected to the mounting portion (2); a third rotating arm (42) is rotatably connected to the first fixed bracket (41); and the lower end of the third rotating arm (42) can rotate around a second axis (B) together with the upper end of the first rotating arm (3a).

2. The ceiling fan with an adjustable lifting structure according to claim 1, characterized in that: The first rotating member (3c) comprises a first fixed bracket (41) connected to the mounting portion (2); a third rotating arm (42) is rotatably connected to the first fixed bracket (41); the lower end of the third rotating arm (42) can rotate with the upper end of the first rotating arm (3a) around a second axis (B); the first fixed bracket (41) is also provided with a third driving motor (43) capable of driving the upper end of the third rotating arm (42) to rotate; the second rotating member (3d) comprises a first fixed bracket (41) connected to the mounting portion (2); Two fixed brackets (44), the second fixed bracket (44) is rotatably connected to a fourth rotating arm (45), and the lower end of the fourth rotating arm (45) can be rotatably connected to the upper end of the second rotating arm (3b) around a third axis (C), the second fixed bracket (44) is also connected to a fourth driving motor (46) capable of driving the upper end of the fourth rotating arm (45) to rotate, and the ceiling fan body (1) is also provided with a guide groove (12) capable of cooperating with the first fixed bracket (41) and the second fixed bracket (44); The third drive motor (43) and the fourth drive motor (46) are controlled to start by an external button. The third drive motor (43) and the fourth drive motor (46) are controlled to start by a wireless remote controller. The third drive motor (43) is configured to: when started, drive the upper end of the third rotating arm (42) to rotate counterclockwise. When the third rotating arm (42) rotates counterclockwise, its lower end drives the first rotating arm (3a) to rotate around the second axis (B), so that the first rotating arm (3a) moves upward, and the lower end of the first rotating arm (3a) is relatively The ceiling fan body (1) is rotated to drive the ceiling fan body (1) to move upward; the fourth drive motor (46) is configured to start synchronously when the third drive motor (43) is started, the fourth drive motor (46) drives the upper end of the fourth rotating arm (45) to rotate counterclockwise, when the fourth rotating arm (45) rotates counterclockwise, its lower end drives the second rotating arm (3b) to rotate around the third axis (C), so that the second rotating arm (3b) moves upward, and the lower end of the second rotating arm (3b) rotates relative to the ceiling fan body (1) to drive the ceiling fan body (1) to move upward.