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 includes a fixed shell. A universal wheel is installed at the bottom of the fixed shell. A fixing block is fixedly connected to the top of the fixed shell. A rotating shaft is provided inside the block, a base is fixedly connected to the outside of the rotating shaft, worm gears are fixedly connected to both ends of the rotating shaft, a worm is meshedly connected to the bottom of the worm gear, and a retainer is fixedly connected to the outside of the worm. The adjustable base for the fan has the advantages of simple and stable structure and adjustable angle. The motor is used to drive the telescopic rod to expand and contract, driving the connecting piece to move, so that the moving plate drives the gear to rotate, and then the worm gear drives the rotating shaft to drive the base to rotate. At the same time, the rotating ring rotates against the base. By squeezing, the base adjusts its own angle, and then drives the fan installed on the top of the base to adjust the angle, which solves the problem that the current fan base structure is fixed and cannot adjust the angle.

Description

Adjustable base for a fan

Technical field

The utility model relates to the technical field of fans, specifically an adjustable base for fans.

Background technique

The fan is a machine that relies on input mechanical energy to increase the gas pressure and discharge the gas. It is a driven fluid machine. Fan is the customary abbreviation for gas compression and gas transportation machinery in China. Commonly referred to as fans include ventilators, blowers, and wind turbines. Fans are widely used in ventilation, dust removal, and cooling of factories, mines, tunnels, and buildings. Cooling and ventilation in air conditioning equipment and household appliances.

The fan installation base is a device used to install the fan. However, the existing fan installation base only has a support structure and lacks an angle adjustment structure. The angle cannot be adjusted, resulting in the user being unable to connect to the inclined pipe during use. It is convenient to adjust the angle of blowing, thus reducing the practicality of the base for installing the fan. For this reason, we propose an adjustable base for the fan.

Utility model content

In view of the shortcomings of the existing technology, the present 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 utility model provides the following technical solution: an adjustable base for a fan, including a fixed housing, a universal wheel is installed at the bottom of the fixed housing, and a fixed block is fixedly connected to the top of the fixed housing, so A rotating shaft is provided inside the fixed block, a base is fixedly connected to the outside of the rotating shaft, worm wheels are fixedly connected to both ends of the rotating shaft, a worm is meshedly connected to the bottom of the worm gear, and a retainer is fixedly connected to the outside of the worm. , a gear is fixedly connected to the tail end of the worm, a tank is provided inside the fixed housing, a limit plate is provided inside the tank, a fixed block is fixedly connected to the tail end of the limit plate, and the fixed housing is A motor box is fixedly connected to the inside of the motor box. A motor is provided inside the motor box. A telescopic rod is fixedly connected to the output end of the motor. A connecting piece is fixedly connected to the top of the telescopic rod. A rotating shaft is provided inside the connecting piece. A rotating ring is provided on the outside of the rotating shaft. Limiting blocks are fixedly connected to both ends of the rotating shaft. A moving plate is fixedly connected to the outside of the connecting piece.

Preferably, there are four universal wheels, and brake pads are provided on the outside of the universal wheels. The brake pads can be used to fix the position of the universal wheels and thus the position of the base.

Preferably, two of the fixed blocks are provided symmetrically with respect to the base, and the fixed blocks are fixedly connected to the top of the fixed housing.

Preferably, two of the worm gears are provided symmetrically with respect to the base, and two of the worm gears are provided corresponding to the worm gears.

Preferably, there are several fixators, evenly distributed.

Preferably, the outside of the moving plate is provided with teeth corresponding to gears, and the gears are meshed with the teeth. The movement of the moving plate can drive the gear to rotate, thereby driving the worm to rotate, so that the worm gear can drive the rotating shaft to rotate, and the rotating shaft drives the base to adjust the angle.

Preferably, a rotating shaft is provided inside the limiting plate, and the rotating shaft is fixedly connected to the inside of the tank provided with the fixed shell. The limiting plates are provided in two groups, one group of two, and the limiting plates are connected by rotating shafts. When the base moves, the fixed block can be driven to move the limiting plate so that another limiting plate connected through the rotating shaft can rotate.

Beneficial effects:

1. The fan uses an adjustable base. The motor inside the motor box drives the telescopic rod to extend. The telescopic rod drives the connecting piece to move upward. The connecting piece drives the rotating shaft set inside to move. The rotating shaft drives the rotating ring to move upward. The limit block can Limit the position of the rotating ring to prevent the rotating ring from being separated from the rotating shaft. The upward movement of the rotating ring will squeeze the base, allowing the base to adjust its own angle. At the same time, the moving plate will follow the connecting piece to move upward, driving the gear to rotate. The gear drives the worm to rotate, and the worm drives the worm gear to rotate. Then, the rotating shaft assists in adjusting the angle of the base itself, thereby completing the adjustment of the angle of the base, thereby driving the fan to adjust the angle.

2. The fan uses an adjustable base and uses a worm gear to increase the stability of the structure. The self-locking property between the worm gear and the worm can stabilize the structure when it is adjusted. At the same time, the limit plate The position of the base can be restricted to prevent the fan from falling and causing damage if the base is adjusted too tilted.

Description of the drawings

Figure 1 is a schematic structural diagram of the rotating ring of the present utility model;

Figure 2 is a schematic structural diagram of the utility model;

Figure 3 is a schematic structural diagram of the universal wheel of the present utility model;

Figure 4 is a schematic diagram of the structure of the worm of the present utility model.

In the picture: 1. Fixed shell; 2. Universal wheel; 3. Fixed block; 4. Rotating shaft; 5. Base; 6. Worm gear; 7. Worm; 8. Fixator; 9. Gear; 10. Limiting plate; 11. Fixed block; 12. Motor box; 13. Telescopic rod; 14. Connector; 15. Limiting block; 16. Rotating ring; 17. Moving plate.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Embodiment 1

Please refer to Figure 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. The internal setting of the fixed block 3 is There is a rotating shaft 4, a base 5 is fixedly connected to the outside of the rotating shaft 4, a worm gear 6 is fixedly connected to both ends of the rotating shaft 4, a worm 7 is meshedly connected to the bottom of the worm gear 6, a retainer 8 is fixedly connected to the outside of the worm 7, and the tail of the worm 7 A gear 9 is fixedly connected to the end, and a tank is provided inside the fixed shell 1. A limit plate 10 is provided inside the tank. A fixed block 11 is fixedly connected to the rear end of the limit plate 10. Chassis 12, a motor is provided inside the motor case 12, the output end of the motor is fixedly connected to a telescopic rod 13, the top of the telescopic rod 13 is fixedly connected to a connecting piece 14, the connecting piece 14 is provided with a rotating shaft inside, and a rotating shaft is installed outside the rotating shaft. The two ends of the ring 16 and the rotating shaft are fixedly connected with the limiting blocks 15, and the outside of the connecting piece 14 is fixedly connected with the moving plate 17.

Among them, there are four universal wheels 2, and brake pads are provided on the outside of the universal wheel 2. The brake pads can be used to fix the position of the universal wheel 2 and thereby fix the position of the base 5. The fixing block 3 is provided with a symmetrical position about the base 5. Two, the fixed block 3 is fixedly connected to the top of the fixed housing 1, the worm gear 6 is provided with two symmetrical ones about the base 5, the worm 7 is provided with two corresponding to the worm gear 6, and several retainers 8 are provided, evenly distributed.

Among them, the outside of the moving plate 17 is provided with teeth corresponding to the gear 9, and the gear 9 is meshed with the teeth. The movement of the moving plate 17 can drive the gear 9 to rotate, thereby driving the worm 7 to rotate, so that the worm gear 7 can drive the rotating shaft 4 provided with the worm gear 6. Rotate, and the rotating shaft 4 drives the base 5 to adjust the angle.

Among them, a rotating shaft is provided inside the limiting plate 10, and the rotating shaft is fixedly connected to the inside of the tank provided in the fixed housing 1. The limiting plate 10 is provided with two groups, one group of two, and the limiting plates 10 are connected through the rotating shaft so that the base 5. When moving, the fixed block 11 can be driven to move the limiting plate 10 so that the other limiting plate 10 connected through the rotating shaft rotates.

Working principle: When the fan is used with an adjustable base, the telescopic rod 13 can be driven by the motor set inside the motor box 12 to extend. The telescopic rod 13 drives the connecting piece 14 to move upward. The connecting piece 14 drives the internal rotating shaft to move, and the rotating shaft drives the fan. The rotating ring 16 moves upward, and the limiting block 15 can limit the position of the rotating ring 16 to prevent the rotating ring 16 from being separated from the rotating axis. The upward movement of the rotating ring 16 will squeeze the base 5, allowing the base 5 to adjust its own angle, and at the same time the moving plate 17 will follow the connecting piece. 14 moves upward, driving the gear 9 to rotate, the gear 9 drives the worm 7 to rotate, the worm 7 drives the worm gear 6 to rotate, and then assists in adjusting the angle of the base 5 through the rotating shaft 4, completing the adjustment of the angle of the base 5, thereby driving the fan to adjust the angle.

Embodiment 2

Referring to Figures 1-4, further based on the first embodiment, a worm gear 6 is fixedly connected to both ends of the rotating shaft 4, a worm 7 is meshedly connected to the bottom of the worm gear 6, and a tank body is provided inside the fixed housing 1, and the tank body is A limiting plate 10 is provided inside. The rear end of the limiting plate 10 is fixedly connected to a fixing block 11 . The fixing block 11 is fixedly connected to the base 5 .

Working principle: When the fan is used with an adjustable base, the stability of the structure is increased through the worm gear 6 and the worm 7. The self-locking property between the worm gear 6 and the worm 7 stabilizes the structure during adjustment. At the same time, the limiting plate 10 can limit the position of the base 5 to prevent the base 5 from being adjusted too tilted and causing the fan to fall and cause damage.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. An adjustable base for a fan, including a fixed housing (1), characterized in that: a universal wheel (2) is installed at the bottom of the fixed housing (1), and the top of the fixed housing (1) is fixedly connected There is a fixed block (3), a rotating shaft (4) is provided inside the fixed block (3), a base (5) is fixedly connected to the outside of the rotating shaft (4), and both ends of the rotating shaft (4) are fixedly connected. There is a worm gear (6), the bottom of the worm gear (6) is meshed with a worm (7), the outside of the worm (7) is fixedly connected with a retainer (8), and the tail end of the worm (7) is fixedly connected. There is a gear (9), a tank body is provided inside the fixed housing (1), a limit plate (10) is provided inside the tank body, and a fixed block (3) is fixedly connected to the rear end of the limit plate (10). ), a motor box (12) is fixedly connected to the inside of the fixed housing (1), a motor is provided inside the motor box (12), and a telescopic rod (13) is fixedly connected to the output end of the motor. The telescopic rod A connecting piece (14) is fixedly connected to the top of (13). A rotating shaft is provided inside the connecting piece (14). A rotating ring (16) is provided outside the rotating shaft. Both ends of the rotating shaft are fixedly connected with limiting blocks (15). , a moving plate (17) is fixedly connected to the outside of the connecting piece (14). 2. An adjustable base for a fan according to claim 1, characterized in that four universal wheels (2) are provided, and brake pads are provided on the outside of the universal wheels (2). 3. An adjustable base for a fan according to claim 1, characterized in that: the fixed block (3) is provided with two symmetrical bases (5), and the fixed block (3) is fixedly connected to the base (5). Secure the top of the housing (1). 4. An adjustable base for a fan according to claim 1, characterized in that: the worm gear (6) is provided with two symmetrical bases (5), and the worm (7) is provided with a worm gear (7) that is symmetrical to the base (5). 6) The corresponding two. 5. An adjustable base for a fan according to claim 1, characterized in that there are several holders (8) evenly distributed. 6. An adjustable base for a fan according to claim 1, characterized in that: the outside of the moving plate (17) is provided with teeth corresponding to the gear (9), and the gear (9) meshes with the teeth. connect. 7. An adjustable base for a fan according to claim 1, characterized in that: a rotating shaft is provided inside the limiting plate (10), and the rotating shaft is fixedly connected to the inside of the tank provided in the fixed shell (1). The limiting plate (10) is provided with two groups, one group of two.