CN220081753U - Anti-drop's super large ceiling fan - Google Patents

Abstract

The utility model belongs to the technical field of ceiling fans, in particular to an anti-falling ultra-large ceiling fan which comprises a main shaft; the outer surface of the main shaft is fixedly connected with a plurality of blade handles, each blade handle is fixedly connected with a fan blade through a bolt, the outer surface of each blade handle is fixedly connected with a plurality of groups of winding assemblies, each group of winding assemblies is sleeved with a supporting piece, each supporting piece is provided with a group of limiting assemblies, each fan blade is symmetrically connected with two clamping plates, and each clamping plate is provided with a plurality of limiting holes matched with each group of limiting assemblies; the support limiting is convenient for each fan blade, and the problem that the fan blade falls off due to loosening is avoided because the fan blade handle and the fan blade connecting part are loosened due to rapid rotation when the fan blade is ultra-large.

Description

Anti-drop's super large ceiling fan

Technical Field

The utility model belongs to the technical field of ceiling fans, and particularly relates to an anti-falling ultra-large ceiling fan.

Background

Ceiling fans are generally fixedly mounted to a ceiling and are therefore referred to as ceiling fans. The effect of relieving summer heat is very good, when using the ceiling fan: any articles are not thrown under the ceiling fan; the user with lower ceiling should pay more attention to the ceiling without jumping below the ceiling fan; and even less, the infant is allowed to be lifted under the operating ceiling fan. So as to prevent the human body and other objects from contacting the ceiling fan, and mechanical damage is caused.

With respect to the above and related art, the inventors believe that there are often the following drawbacks: the fan blade and the blade handle of the ultra-large ceiling fan are generally assembled only through a bolt structure, and when the fan blade rotates rapidly for a long time, the joint of the blade handle and the fan blade is easy to loosen, and the fan blade is easy to fall off due to long-term loosening; therefore, an anti-falling ultra-large ceiling fan is proposed to solve the above problems.

Disclosure of Invention

In order to make up for the deficiencies of the prior art, at least one technical problem presented in the background art is solved.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to an anti-falling ultra-large ceiling fan, which comprises a main shaft; the outer surface of the main shaft is fixedly connected with a plurality of blade handles, each blade handle is fixedly connected with a fan blade through a bolt, the outer surface of each blade handle is fixedly connected with a plurality of groups of winding assemblies, each group of winding assemblies is sleeved with a supporting piece, each supporting piece is provided with a group of limiting assemblies, each fan blade is symmetrically connected with two clamping plates, and each clamping plate is provided with a plurality of limiting holes matched with each group of limiting assemblies; the support limiting is convenient for each fan blade, and the problem that the fan blade falls off due to loosening is avoided because the fan blade handle and the fan blade connecting part are loosened due to rapid rotation when the fan blade is ultra-large.

Preferably, each of the winding assemblies respectively comprises two side plates fixedly connected with the main shaft and a circular shaft fixedly connected with the two side plates, and the supporting piece is sleeved outside the circular shaft; the support piece can rotate around the outside of the circular shaft in the installation process, so that the installation angle of the support piece can be conveniently adjusted.

Preferably, each supporting piece comprises a first loop bar, the first loop bar is provided with a loop hole sleeved outside the circular shaft, the first loop bar is provided with a mounting groove, a first bearing is arranged inside the mounting groove, the first bearing is connected with a screw rod, one end of the screw rod is fixedly connected with a first conical tooth, the first conical tooth is in meshed connection with a second conical ruler, the upper surface of the second conical ruler is fixedly connected with a rotating shaft penetrating through the outer part of the first loop bar, the upper surface of the first loop bar is connected with a second bearing matched with the rotating shaft, the upper surface of the rotating shaft is fixedly connected with a handle, the screw rod is connected with a nut, the nut is fixedly connected with a second loop bar, and the second loop bar is provided with a clearance groove matched with the outer part of the screw rod; the placing position of the first loop bar is convenient to adjust, and the fan blade with different sizes can be better adapted during installation.

Preferably, one end of each screw rod far away from the first conical teeth is fixedly connected with a limiting plate respectively, and each limiting plate is in clearance fit with a clearance groove sleeved outside the screw rod respectively; the condition that interference and clamping are caused between the second loop bar and the limiting plate in the displacement process is avoided conveniently.

Preferably, each group of limiting components respectively comprises a round hole and a through groove which are formed in each second loop bar and are communicated with each other in a penetrating way, a spring is arranged in each round hole, two ends of each spring are respectively connected with a limiting block, each limiting block is respectively connected with a pull plate in a threaded way, and the upper end face of each pull plate penetrates through the outside of each through groove; is convenient for quick disassembly and assembly.

Preferably, the outer surface of the main shaft is sleeved with a tensioning sleeve matched with the main shaft; the bearing of the chassis is transferred to the main shaft by the structural form of the tension sleeve, so that the multiple protection is facilitated.

The beneficial effects of the utility model are as follows:

1. according to the anti-drop ultra-large ceiling fan, a plurality of blade handles are connected to the outer surface of a main shaft in a circumferential array mode through a welding mode, each blade handle is fixedly connected with one blade through a bolt, preliminary limiting installation is completed on each blade, two clamping plates with a plurality of limiting holes are symmetrically welded on the upper surface of each blade in sequence, each supporting piece is sleeved outside a group of winding assemblies in sequence, a plurality of groups of winding assemblies are placed in one-to-one correspondence with the blades in sequence, each group of winding assemblies are welded with the outer surface of the main shaft in sequence, the placement angle of each supporting piece is adjusted in sequence until each supporting piece is abutted against the corresponding blade in sequence, each supporting piece passes through each limiting piece to be clamped with the corresponding limiting hole in sequence, supporting limiting is facilitated on each blade, the problem that when the blade is ultra-large, the connection position of the blade handle and the blade is loose due to rapid rotation is avoided, and then the problem that the blade drops due to looseness is avoided.

2. According to the anti-drop ultra-large ceiling fan, the handle is rotated clockwise, the rotating shaft is driven to drive the second conical ruler to rotate clockwise, the second conical ruler drives the first conical teeth connected with the second conical ruler in a meshed mode to rotate anticlockwise, the first conical teeth drive the screw rod, the nut is enabled to deviate from the first bearing to conduct linear displacement, the nut is enabled to drive the first sleeve rod connected with the nut to conduct linear displacement to the appointed position, the placement position of the first sleeve rod is convenient to adjust, and fan blades with different sizes are convenient to adapt better during installation.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional perspective view of FIG. 1 in accordance with the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A in accordance with the present utility model;

FIG. 4 is a schematic perspective view of a spacing assembly according to the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 2B in accordance with the present utility model;

fig. 6 is a schematic perspective view of a second embodiment of the present utility model.

In the figure: 1. a main shaft; 2. blade handle; 3. a fan blade; 4. a tensioning sleeve; 5. a side plate; 6. a circular shaft; 7. a first loop bar; 8. trepanning; 9. a mounting groove; 10. a first bearing; 11. a screw rod; 12. a first conical tooth; 13. a second cone ruler; 14. a rotating shaft; 15. a second bearing; 16. a handle; 17. a nut; 18. a second loop bar; 19. a limiting plate; 20. a round hole; 21. a through groove; 22. a spring; 23. a limiting block; 24. pulling a plate; 25. a clamping plate; 26. a limiting hole; 27. an empty-avoiding groove; 28. and a silica gel plate.

Detailed Description

The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 to 5, an anti-falling ultra-large ceiling fan according to an embodiment of the present utility model includes a main shaft 1; the outer surface of the main shaft 1 is fixedly connected with a plurality of blade handles 2, each blade handle 2 is fixedly connected with a fan blade 3 through a bolt, the outer surface of each blade handle 2 is fixedly connected with a plurality of groups of winding assemblies, each group of winding assemblies is sleeved with a supporting piece, each supporting piece is provided with a group of limiting assemblies, each fan blade 3 is symmetrically connected with two clamping plates 25, and each clamping plate 25 is provided with a plurality of limiting holes 26 matched with each group of limiting assemblies; during operation, first the surface of main shaft 1 is a plurality of blade handles 2 that circumference array distributes through welded fastening connection, then pass through a bolt fixed connection flabellum 3 respectively with every blade handle 2 in proper order, this moment accomplish preliminary spacing installation to every flabellum 3, then two cardboard 25 of a plurality of spacing holes 26 are offered at every flabellum 3 upper surface symmetry welding respectively in proper order, then establish every support piece difference cover in proper order outside a set of around moving assembly, then place multiunit around moving assembly and flabellum 3 one-to-one, and with every set of around moving assembly and main shaft 1 surface welding in proper order, then adjust every support piece angle of placement in proper order, until every support piece is contradicted with corresponding flabellum 3 respectively, then pass through every set of spacing subassembly and support piece looks joint with corresponding spacing hole 26 in proper order can, be convenient for support spacing to every flabellum 3, avoid the flabellum 3 to be very big when making blade handle 2 and flabellum 3 junction loose because of the rapid rotation, then prevent to make the problem that flabellum 3 drops because of becoming flexible.

Further, each of the winding assemblies respectively comprises two side plates 5 fixedly connected with the main shaft 1 and a circular shaft 6 fixedly connected with the two side plates 5, and the supporting piece is sleeved outside the circular shaft 6; during operation, the round shaft 6 is limited and placed through the two side plates 5, the supporting piece is sleeved outside the round shaft 6, and the supporting piece can rotate around the outside of the round shaft 6 in the installation process, so that the installation angle of the supporting piece is convenient to adjust.

Further, each supporting piece comprises a first loop bar 7, the first loop bar 7 is provided with a loop hole 8 sleeved outside the circular shaft 6, the first loop bar 7 is provided with a mounting groove 9, a first bearing 10 is arranged inside the mounting groove 9, the first bearing 10 is connected with a screw rod 11, one end of the screw rod 11 is fixedly connected with a first conical tooth 12, the first conical tooth 12 is connected with a second conical ruler 13 in a meshed manner, the upper surface of the second conical ruler 13 is fixedly connected with a rotating shaft 14 penetrating through the outer part of the first loop bar 7, the upper surface of the first loop bar 7 is connected with a second bearing 15 matched with the rotating shaft 14, the upper surface of the rotating shaft 14 is fixedly connected with a handle 16, the screw rod 11 is connected with a nut 17, the nut 17 is fixedly connected with a second loop bar 18, and the second loop bar 18 is provided with a clearance groove 27 matched with the outer part of the screw rod 11; during operation, an operator rotates the handle 16 clockwise, then drives the rotating shaft 14 to drive the second conical ruler 13 to rotate clockwise, then enables the second conical ruler 13 to drive the first conical teeth 12 connected with the second conical ruler in a meshed mode to rotate anticlockwise, then enables the first conical teeth 12 to drive the screw rod 11, enables the nut 17 to deviate from the first bearing 10 to conduct linear displacement, then enables the nut 17 to drive the first sleeve rod 7 connected with the nut to conduct linear displacement to a designated position, and facilitates adjustment of the placement position of the first sleeve rod 7, and fan blades 3 with different sizes are convenient to adapt to during installation.

Further, one end of each screw rod 11, which is far away from the first conical tooth 12, is fixedly connected with a limiting plate 19 respectively, and each limiting plate 19 is in clearance fit with a clearance groove 27 sleeved outside the corresponding limiting plate 19 respectively; during operation, the nut 17 is convenient to avoid being separated from the screw rod 11 in the displacement process by arranging the limiting plate 19, and the situation that interference and blocking are caused by the limiting plate 19 in the displacement process of the second loop bar 18 is convenient to avoid by arranging the limiting plate to be in clearance fit.

Further, each group of limiting components respectively comprises a round hole 20 and a through groove 21 which are formed in each second loop bar 18 and are communicated with each other in a penetrating way, a spring 22 is arranged in each round hole 20, two ends of each spring 22 are respectively connected with a limiting block 23, each limiting block 23 is respectively connected with a pull plate 24 in a threaded way, and the upper end face of each pull plate 24 is communicated to the outside of each through groove 21; when the two pull plates 24 are pulled by the hands of an operator to drive the two limiting blocks 24 to perform opposite linear displacement, the extending height of the spring 22 is gradually compressed until the extending height of the spring 22 is compressed to be the lowest extending height, the two limiting blocks 23 are completely located in the circular holes 20 clamped by the two limiting blocks, when the second loop bar 18 is located at a designated position, the two pull plates 24 are synchronously loosened by the operator, the spring 22 is gradually extended, the two limiting blocks 23 connected with the spring 22 are pushed to drive the two pull plates 24 to perform opposite linear displacement until the two limiting blocks 23 are respectively clamped in place with the limiting holes 26 formed in the clamping plates 25, and the two limiting blocks are convenient to disassemble and assemble.

Further, the outer surface of the main shaft 1 is sleeved with a tensioning sleeve 4 matched with the main shaft; when in work, the structural form of the tension sleeve 4 transfers the bearing of the chassis to the main shaft 1 for multiple protection.

Embodiment two:

referring to fig. 6, a comparative example one, as another embodiment of the present utility model,

each through groove 21 is respectively clamped with a silica gel plate 28, and two ends of each silica gel plate 28 are in abutting connection with the pull plate 24; in operation, the silicone plate 28 is arranged to facilitate plugging operation, so that external dust is prevented from entering the through groove 21, and sanitary maintenance is facilitated.

The working principle is that a plurality of blade handles 2 are connected to the outer surface of a main shaft 1 in a circumferential array manner in a welding manner, each blade handle 2 is fixedly connected with one fan blade 3 through a bolt, preliminary limit installation is completed on each fan blade 3, a round shaft 6 is subjected to limit placement through two side plates 5, a first sleeve rod 7 is sleeved outside the round shaft 6, the first sleeve rod 7 and a second sleeve rod 18 can rotate around the outside of the round shaft 6 in the installation process conveniently, the installation angles of the first sleeve rod 7 and the second sleeve rod 18 are convenient to adjust, an operator sequentially rotates each handle 16 clockwise, then drives a rotating shaft 14 to drive a second cone 13 to rotate clockwise, then drives a first cone tooth 12 connected with the second cone 13 in a meshed manner to rotate anticlockwise, then drives a screw rod 11 through the first cone tooth 12, and makes a nut 17 deviate from a first bearing 10 to perform linear displacement, then the nut 17 drives the first sleeve rod 7 connected with the nut to linearly displace to a designated position, then the hands of an operator simultaneously pull the two pull plates 24 in the same round hole 20 to drive the two limiting blocks 23 to linearly displace in opposite directions, then the expansion height of the spring 22 is gradually compressed until the expansion height of the spring 22 is compressed to be the lowest expansion height, the two limiting blocks 23 are completely positioned in the clamped round hole 20, when the second sleeve rod 18 is positioned at the designated position, the operator synchronously loosens the two pull plates 24, then the spring 22 gradually expands, then the two limiting blocks 23 connected with the spring 22 are pushed to drive the two pull plates 24 to linearly displace in opposite directions until the two limiting blocks 23 are respectively clamped with the limiting holes 26 formed by the clamping plates 25, so that each fan blade 3 is supported and limited conveniently, the problem that the blade 3 falls off due to loosening is avoided because the blade handle 2 loosens with the junction of the blade 3 because of quick rotation when the blade 3 is oversized.

The front, rear, left, right, up and down are all based on fig. 1 of the drawings in the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. An anti-falling ultra-large ceiling fan comprises a main shaft (1); the method is characterized in that: the novel rotary blade comprises a main shaft (1), a plurality of blade handles (2) are fixedly connected to the outer surface of the main shaft (1), each blade handle (2) is fixedly connected with one fan blade (3) through a bolt respectively, a plurality of groups of winding components are fixedly connected to the outer surface of each blade handle (2), each group of winding components is sleeved with a supporting piece respectively, each supporting piece is provided with a group of limiting components respectively, each fan blade (3) is symmetrically connected with two clamping plates (25) respectively, and each clamping plate (25) is provided with a plurality of limiting holes (26) matched with each group of limiting components respectively.

2. The anti-drop ultra-large ceiling fan of claim 1, wherein: each winding assembly comprises two side plates (5) fixedly connected with the main shaft (1) and a round shaft (6) fixedly connected with the two side plates (5), and the support piece is sleeved outside the round shaft (6).

3. The anti-drop ultra-large ceiling fan of claim 2, wherein: each supporting piece comprises a first sleeve rod (7), sleeve holes (8) sleeved outside the circular shaft (6) are formed in the first sleeve rods (7), mounting grooves (9) are formed in the first sleeve rods (7), first bearings (10) are arranged inside the mounting grooves (9), screw rods (11) are connected to the first bearings (10), first conical teeth (12) are fixedly connected to one ends of the screw rods (11), second conical rulers (13) are connected to the first conical teeth (12) in a meshed mode, rotating shafts (14) penetrating through the outer portions of the first sleeve rods (7) are fixedly connected to the upper surfaces of the second conical rulers (13), second bearings (15) matched with the rotating shafts (14) are connected to the upper surfaces of the first sleeve rods (7), handles (16) are fixedly connected to the upper surfaces of the rotating shafts (14), nuts (17) are connected to the screw rods (11), and second sleeve rods (18) are fixedly connected to the second sleeve rods (17), and the second sleeve rods (18) are connected to the upper surfaces of the second sleeve rods (13) in a matched mode.

4. The anti-drop ultra-large ceiling fan of claim 3, wherein: one end of each screw rod (11) far away from the first conical tooth (12) is fixedly connected with a limiting plate (19) respectively, and each limiting plate (19) is in clearance fit with a clearance groove (27) sleeved outside the screw rod.

5. The anti-drop ultra-large ceiling fan of claim 4, wherein: each group of limiting components respectively comprises a round hole (20) and a through groove (21) which are formed in each second loop bar (18) and are communicated in a penetrating mode, a spring (22) is arranged in each round hole (20), two ends of each spring (22) are respectively connected with a limiting block (23), each limiting block (23) is respectively connected with a pull plate (24) in a threaded mode, and the upper end face of each pull plate (24) penetrates through the outside of each through groove (21).

6. The anti-drop ultra-large ceiling fan of claim 5, wherein: the outer surface of the main shaft (1) is sleeved with a tensioning sleeve (4) which is matched with the main shaft.