CN219774414U - Adjustable base for fan - Google Patents

Abstract

The utility model relates to the technical field of fans and discloses an adjustable base for fans, which comprises a fixed shell, wherein a universal wheel is arranged at the bottom of the fixed shell, a fixed block is fixedly connected to the top of the fixed shell, a rotating shaft is arranged in the fixed block, a base is fixedly connected to the outside of the rotating shaft, worm wheels are fixedly connected to the two ends of the rotating shaft, a worm is connected to the bottom of the worm wheel in a meshed manner, a fixer is fixedly connected to the outside of the worm, and the adjustable base for fans has the advantages of simple and stable structure, adjustable angle and the like.

Description

Adjustable base for fan

Technical Field

The utility model relates to the technical field of fans, in particular to an adjustable base for a fan.

Background

The fan is a machine which relies on input mechanical energy to raise the pressure of gas and discharge the gas, and is a driven fluid machine. Fans are a common abbreviation for gas compression and gas transportation machinery in china, and generally include ventilators, blowers, wind turbines, fans are widely used for ventilation, dust removal, cooling in factories, mines, tunnels, and buildings, cooling and ventilation in air conditioning equipment and household electrical appliances.

The base for fan installation is the equipment that is used for installing the fan, but current base for fan installation only sets up bearing structure, lacks the structure of angle modulation, can not angle regulation, leads to the user can not be with the pipe connection of slope when using, also is inconvenient for adjusting the angle of blowing to the practicality of base for fan installation has been reduced, and for this reason, we propose an adjustable base for fan.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an adjustable base for a fan, which has the advantages of simple and stable structure and adjustable angle.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an adjustable base for fan, includes fixed shell, the universal wheel is installed to fixed shell's bottom, fixed shell's top fixedly connected with fixed block, the inside of fixed block is provided with the pivot, the outside fixedly connected with base of pivot, the both ends fixedly connected with worm wheel of pivot, the bottom meshing of worm wheel is connected with the worm, the outside fixedly connected with fixer of worm, the tail end fixedly connected with gear of worm, the cell body has been seted up to fixed shell's inside, and the inside of cell body is provided with the limiting plate, the tail end fixedly connected with fixed block of limiting plate, fixed shell's inside fixedly connected with motor case, the inside of motor case is provided with the motor, the output fixedly connected with telescopic link of motor, the top fixedly connected with connecting piece of telescopic link, the inside of connecting piece is provided with the pivot, and the outside of pivot is provided with the swivel becket, the both ends fixedly connected with stopper of pivot, the outside fixedly connected with movable plate of connecting piece.

Preferably, the universal wheels are provided with four, brake pads are arranged outside the universal wheels, and the positions of the universal wheels and the positions of the base are fixed through the brake pads.

Preferably, the fixing blocks are symmetrically arranged on the base, and the fixing blocks are fixedly connected to the top of the fixing shell.

Preferably, the worm wheel is provided with two symmetrical parts with respect to the base, and the worm is provided with two corresponding parts with the worm wheel.

Preferably, the plurality of the fixing devices are uniformly distributed.

Preferably, the outside of movable plate is provided with the tooth that corresponds with the gear, the gear is connected with the tooth meshing, and thereby the movable plate removes and can drive the gear rotation and drive the worm rotation for the worm wheel can drive the pivot rotation, and the pivot drives base angle of adjustment.

Preferably, the inside of limiting plate is provided with the pivot, and pivot fixed connection is inside the cell body that fixed shell set up, the limiting plate is provided with two sets of, and a set of two can drive the fixed block and drive the limiting plate and remove when so the base removes through the pivot between the limiting plate and make another limiting plate that is connected through the pivot rotate.

The beneficial effects are that:

1. this adjustable base for fan drives the telescopic link extension through the inside motor that sets up of motor case, the telescopic link drives the connecting piece and reciprocates, the connecting piece drives the pivot that inside set up and removes, the pivot drives the rotation ring and reciprocates, the stopper can restrict the position of rotation ring and avoid the rotation ring to break away from the pivot, the rotation ring reciprocates will extrude the base for base adjusts self angle, the movable plate will follow the connecting piece and reciprocate simultaneously, drive gear rotation, the gear drives the worm and rotates, and the worm drives the worm wheel and rotates, and then adjusts base self angle through the pivot is assisted, accomplish the regulation of base angle, thereby drive fan angle of adjustment.

2. This adjustable base for fan through the stability of worm gear increase structure, the self-locking nature that the accessible was possessed between worm wheel and the worm for the structure plays stable structure's effect when adjusting, and the limiting plate can restrict the position of base simultaneously, avoids the base to adjust too obliquely and leads to the fan to fall and cause the damage.

Drawings

FIG. 1 is a schematic view of a rotary ring according to the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic view of a universal wheel according to the present utility model;

fig. 4 is a schematic view of the structure of the worm of the present utility model.

In the figure: 1. a fixed housing; 2. a universal wheel; 3. a fixed block; 4. a rotating shaft; 5. a base; 6. a worm wheel; 7. a worm; 8. a holder; 9. a gear; 10. a limiting plate; 11. a fixed block; 12. a motor case; 13. a telescopic rod; 14. a connecting piece; 15. a limiting block; 16. a rotating ring; 17. and (3) moving the plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, an adjustable base for a fan includes a fixed housing 1, a universal wheel 2 is installed at the bottom of the fixed housing 1, a fixed block 3 is fixedly connected to the top of the fixed housing 1, a rotating shaft 4 is arranged in the fixed block 3, a base 5 is fixedly connected to the outside of the rotating shaft 4, a worm wheel 6 is fixedly connected to two ends of the rotating shaft 4, a worm 7 is meshed with the bottom of the worm wheel 6, a fixer 8 is fixedly connected to the outside of the worm 7, a gear 9 is fixedly connected to the tail end of the worm 7, a groove body is formed in the fixed housing 1, a limiting plate 10 is arranged in the groove body, a fixed block 11 is fixedly connected to the tail end of the limiting plate 10, a motor box 12 is fixedly connected to the inside of the fixed housing 1, a motor is arranged in the inside of the motor box 12, a telescopic rod 13 is fixedly connected to the top of the telescopic rod 13, a rotating shaft is arranged in the inside of the connecting piece 14, a rotating ring 16 is arranged on the outside of the rotating shaft, a limiting block 15 is fixedly connected to the two ends of the rotating shaft, and a moving plate 17 is fixedly connected to the outside of the connecting piece 14.

Wherein, the universal wheel 2 is provided with four, and the outside of universal wheel 2 is provided with the brake block, and the position of the fixed universal wheel 2 of accessible brake block and then the position of unable adjustment base 5, and fixed block 3 is provided with two about base 5 symmetry, and fixed block 3 fixed connection is in the top of fixed shell 1, and worm wheel 6 is provided with two about base 5 symmetry, and worm 7 is provided with two that correspond with worm wheel 6, and fixer 8 is provided with a plurality of, evenly distributed.

Wherein, the outside of movable plate 17 is provided with the tooth that corresponds with gear 9, and gear 9 and tooth meshing are connected, thereby movable plate 17 removes and can drive gear 9 rotation drive worm 7 rotation for worm wheel 7 can drive the pivot 4 that is provided with worm wheel 6 and rotate, and pivot 4 drives base 5 angle adjustment.

Wherein, the inside of limiting plate 10 is provided with the pivot, and pivot fixed connection is in the cell body inside that fixed shell 1 set up, and limiting plate 10 is provided with two sets of, and a set of two can drive fixed block 11 and drive limiting plate 10 and remove so another limiting plate 10 through the pivot connection when so base 5 removes between the limiting plate 10.

Working principle: when adjustable base is used for the fan, the motor that accessible motor case 12 inside set up drives telescopic link 13 extension, telescopic link 13 drives connecting piece 14 upward movement, connecting piece 14 drives the pivot that inside set up and removes, the pivot drives rotation ring 16 upward movement, stopper 15 can restrict the position of rotation ring 16 and avoid rotation ring 16 to break away from the pivot, rotation ring 16 upward movement will extrude base 5, make base 5 adjust self angle, movable plate 17 will follow connecting piece 14 upward movement simultaneously, drive gear 9 and rotate, gear 9 drives worm 7 rotation, worm 7 drives worm wheel 6 rotation, and then adjust base 5 self angle through pivot 4 assistance, accomplish the regulation of base 5 angle, thereby drive fan angle of adjustment.

Example two

Referring to fig. 1-4, further on the basis of the first embodiment, two ends of the rotating shaft 4 are fixedly connected with worm wheels 6, the bottoms of the worm wheels 6 are engaged with worms 7, a groove body is formed in the fixed housing 1, a limiting plate 10 is arranged in the groove body, a fixing block 11 is fixedly connected to the tail end of the limiting plate 10, and the fixing block 11 is fixedly connected with the base 5.

Working principle: when adjustable base is used for the fan, through the stability of worm wheel 6 and worm 7 increase structure, the self-locking nature that the accessible was possessed between worm wheel 6 and the worm 7 for the structure plays stable structure's effect when adjusting, and limiting plate 10 can restrict the position of base 5 simultaneously, avoids base 5 to adjust too slope and leads to the fan to fall and cause the damage.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an adjustable base for fan, includes fixed shell (1), its characterized in that: the universal wheel (2) is installed to the bottom of fixed shell (1), the top fixedly connected with fixed block (3) of fixed shell (1), the inside of fixed block (3) is provided with pivot (4), the outside fixedly connected with base (5) of pivot (4), the both ends fixedly connected with worm wheel (6) of pivot (4), the bottom meshing of worm wheel (6) is connected with worm (7), the outside fixedly connected with fixer (8) of worm (7), the tail end fixedly connected with gear (9) of worm (7), the cell body has been seted up to the inside of fixed shell (1), and the inside of cell body is provided with limiting plate (10), the tail end fixedly connected with fixed block (3) of limiting plate (10), the inside fixedly connected with motor case (12) of fixed shell (1), the inside of motor case (12) is provided with the motor, the output fixedly connected with telescopic link (13), the top fixedly connected with connecting piece (14) of telescopic link (14), the inside of connecting piece (14) is provided with the pivot (16), the outside of the inside of pivot (16), and the outside is provided with rotatory board (16).

2. The adjustable mount for a fan of claim 1, wherein: the universal wheels (2) are provided with four, and brake pads are arranged outside the universal wheels (2).

3. The adjustable mount for a fan of claim 1, wherein: the fixed blocks (3) are symmetrically arranged on the base (5), and the fixed blocks (3) are fixedly connected to the top of the fixed shell (1).

4. The adjustable mount for a fan of claim 1, wherein: the worm wheel (6) is provided with two symmetrical parts relative to the base (5), and the worm (7) is provided with two corresponding parts of the worm wheel (6).

5. The adjustable mount for a fan of claim 1, wherein: the fixing devices (8) are arranged in a plurality and evenly distributed.

6. The adjustable mount for a fan of claim 1, wherein: the outside of movable plate (17) is provided with the tooth that corresponds with gear (9), gear (9) are connected with the tooth meshing.

7. The adjustable mount for a fan of claim 1, wherein: the inside of limiting plate (10) is provided with the pivot, and pivot fixed connection is in the cell body inside that fixed shell (1) set up, limiting plate (10) are provided with two sets of, and a set of two.