CN219795605U

CN219795605U - Floor fan

Info

Publication number: CN219795605U
Application number: CN202320681362.6U
Authority: CN
Inventors: 王成城; 梁英桃; 李涛
Original assignee: Thomson Guangdong Intelligent Technology Co ltd
Current assignee: Thomson Guangdong Intelligent Technology Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-10-03
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses a floor fan, which relates to the technical field of floor fans and comprises a base, wherein a fixed seat is fixed at the top end of the base through bolts, a movable seat is sleeved at the top end of the fixed seat, a fan main body is fixed at the top end of the movable seat through bolts, and an adjusting mechanism is arranged at the top end of the movable seat. According to the utility model, the adjusting mechanism is arranged, the output end of the driving motor rotates to drive the fan main body to move upwards through mechanical transmission, the first threaded rod rotates to drive the moving rod to move towards the outside of the base through mechanical transmission, when the fan main body moves to a proper height, the driving motor stops working, the automatic adjustment operation of the height of the fan main body is facilitated through the structure, compared with the traditional manual adjustment, the efficiency of the height adjustment of the fan main body is improved, meanwhile, the operation of reinforcing the base after the height adjustment of the fan main body is performed is avoided, and the situation that the fan main body with the ascending gravity falls down integrally due to overlarge shaking amplitude during working is avoided.

Description

Floor fan

Technical Field

The utility model relates to the technical field of floor fans, in particular to a floor fan.

Background

The floor fan has the main characteristics of large wind quantity and low noise, has better effects of ventilating, heatstroke prevention and cooling indoor and improving environment in hot summer, can be used safely when being stably placed on the ground, can be widely used in places such as warehouses, workshops, restaurants, households and the like of industrial and mining enterprises, and comprises the following main components: the ac motor, that is to say the motor is the heart of the floor fan, the principle of operation of floor fan and electric fan is the same: the power-on coil is forced to rotate in a magnetic field, and the energy conversion form is as follows: the electric energy is mainly converted into mechanical energy, and at the same time, a part of the electric energy is inevitably converted into heat energy due to the resistance of the coil.

When the conventional floor fan is used, the height of the fan part of the floor fan needs to be adjusted according to the use environment of a user, and because the fan part and the base are fixed by bolts, the user needs to manually rotate the bolts to release the connection between the fan part and the base when the height of the fan part is adjusted, and then the fan part and the base are fixed and limited by screwing the bolts after the fan part reaches the required height, the process is complicated, and the adjusting efficiency of the fan part is low, so that the floor fan is provided.

Disclosure of Invention

The utility model aims at: in order to solve the problem that the height efficiency of the fan part of the floor fan is low through manual adjustment by a user, the floor fan is provided.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the floor fan comprises a base, the top of base is fixed with the fixing base through the bolt, the top of fixing base has cup jointed and has removed the seat, the top of removing the seat is fixed with the fan main part through the bolt, still including adjustment mechanism, adjustment mechanism includes the driving motor who is fixed in the base inside through the bolt, driving motor's output has the dwang through the coupling joint, the top of dwang has first bevel gear through welded fastening, the one end meshing of first bevel gear has second bevel gear, the inside fixedly connected with first threaded rod of second bevel gear, the one end of first threaded rod is fixed with the worm through welded fastening, one side meshing of worm has the worm wheel, the top of worm wheel is fixed with the second threaded rod through welded fastening, the top of second threaded rod runs through to the inside of fixing base, just it is connected with the outer wall of second threaded rod to remove the seat through the screw thread.

As still further aspects of the utility model: the adjusting mechanism further comprises a sliding block which is connected to the outer wall of the first threaded rod through threads, a moving rod is fixedly welded to one side of the sliding block, and one end of the moving rod penetrates through the outer portion of the base.

As still further aspects of the utility model: the outer wall of dwang is connected with the limiting plate through the bearing, the limiting plate passes through the inner wall fixed connection of bolt and base.

As still further aspects of the utility model: the other end of the worm is fixedly provided with another first threaded rod through welding, and the two first threaded rods are rotatably connected with the inner wall of the base through bearings.

As still further aspects of the utility model: the second threaded rod is rotationally connected with the inner wall of the base through a bearing, and the second threaded rod is rotationally connected with the inner wall of the fixing seat through a bearing.

As still further aspects of the utility model: limiting convex blocks are formed at two ends of the movable seat, and limiting sliding grooves matched with the moving tracks of the limiting convex blocks at two ends of the movable seat are formed in the inner wall of the fixed seat.

As still further aspects of the utility model: the base is characterized in that moving through grooves matched with moving tracks of the moving rods are formed in the two ends of the base, rollers are arranged at the bottom ends of the moving rods, and the bottom ends of the rollers are in contact with the ground.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the adjusting mechanism is arranged, the output end of the driving motor rotates to drive the fan main body to move upwards through mechanical transmission, the first threaded rod rotates to drive the moving rod to move towards the outside of the base through mechanical transmission, when the fan main body moves to a proper height, the driving motor stops working, the automatic adjustment operation of the height of the fan main body is facilitated through the structure, compared with the traditional manual adjustment, the efficiency of the height adjustment of the fan main body is improved, meanwhile, the operation of reinforcing the base after the height adjustment of the fan main body is performed is avoided, and the situation that the fan main body with the ascending gravity falls down integrally due to overlarge shaking amplitude during working is avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the base and the fixing base of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2 according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 2 at B according to the present utility model.

In the figure: 1. a base; 2. a fixing seat; 3. a movable seat; 4. an adjusting mechanism; 401. a driving motor; 402. a rotating lever; 403. a first bevel gear; 404. a second bevel gear; 405. a first threaded rod; 406. a worm; 407. a worm wheel; 408. a second threaded rod; 409. a sliding block; 410. a moving rod; 5. a fan main body.

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.

Referring to fig. 1 to 4, in the embodiment of the utility model, a floor fan comprises a base 1, a fixed base 2 is fixed at the top end of the base 1 through a bolt, a movable base 3 is sleeved at the top end of the fixed base 2, a fan main body 5 is fixed at the top end of the movable base 3 through a bolt, an adjusting mechanism 4 is further included, the adjusting mechanism 4 comprises a driving motor 401 fixed inside the base 1 through a bolt, an output end of the driving motor 401 is connected with a rotating rod 402 through a coupling, a first bevel gear 403 is fixed at the top end of the rotating rod 402 through welding, a second bevel gear 404 is meshed at one end of the first bevel gear 403, a first threaded rod 405 is fixedly connected inside the second bevel gear 404, a worm 406 is meshed at one end of the first threaded rod 405 through welding, a worm gear 407 is meshed at one side of the worm gear 406, a second threaded rod 408 is fixed at the top end of the worm gear 407 through welding, the top end of the second threaded rod 408 penetrates into the inside the fixed base 2, and the movable base 3 is connected with the outer wall of the second threaded rod 408 through threads.

In this embodiment: the automatic adjustment operation of the height of the fan main body 5 is facilitated by the arrangement of the adjusting mechanism 4, the efficiency of the height adjustment of the fan main body 5 is improved compared with the traditional manual adjustment, the operation of reinforcing the base 1 after the height adjustment of the fan main body 5 is performed, and the situation that the whole topples over due to overlarge shaking amplitude during the working of the fan main body 5 with ascending gravity is avoided.

Referring to fig. 2, 3 and 4, the adjusting mechanism 4 further includes a sliding block 409 screwed on the outer wall of the first threaded rod 405, wherein a moving rod 410 is fixed on one side of the sliding block 409 by welding, and one end of the moving rod 410 penetrates through the base 1; the outer wall of the rotating rod 402 is connected with a limiting plate through a bearing, and the limiting plate is fixedly connected with the inner wall of the base 1 through a bolt; the other end of the worm 406 is fixed with another first threaded rod 405 through welding, and the two first threaded rods 405 are rotatably connected with the inner wall of the base 1 through bearings; the second threaded rod 408 is rotatably connected with the inner wall of the base 1 through a bearing, and the second threaded rod 408 is rotatably connected with the inner wall of the fixed seat 2 through a bearing; limiting convex blocks are formed at two ends of the movable seat 3, and limiting sliding grooves matched with the moving tracks of the limiting convex blocks at two ends of the movable seat 3 are formed in the inner wall of the fixed seat 2; the both ends of base 1 are provided with the removal logical groove with carriage release lever 410 moving trajectory assorted, and the bottom of carriage release lever 410 is provided with the gyro wheel, and the bottom of gyro wheel contacts with ground.

In this embodiment: when needs carry out altitude mixture control to fan main part 5, driving motor 401 work, driving motor 401 output rotates and drives fan main part 5 upward movement through mechanical transmission, first threaded rod 405 rotates and drives the outside removal of movable rod 410 towards base 1 through mechanical transmission simultaneously, when fan main part 5 removes to suitable height, driving motor 401 stops the work, be favorable to carrying out the automatic adjustment operation of altitude mixture control to fan main part 5 through this structure, compare in traditional manual regulation, the efficiency of fan main part 5 altitude mixture control has been improved, simultaneously carry out the operation of strengthening to base 1 after the adjustment of fan main part 5 altitude mixture control, avoid the fan main part 5 during operation that the center of gravity risen because the too big condition that appears wholly empting of rocking range.

Working principle: when the height of the fan main body 5 needs to be adjusted, the driving motor 401 works, the output end of the driving motor 401 rotates to drive the rotating rod 402 to rotate, the rotating rod 402 rotates to drive the first bevel gear 403 to rotate, the first bevel gear 403 rotates to drive the second bevel gear 404 to rotate, the second bevel gear 404 rotates to drive the first threaded rod 405 to rotate, the first threaded rod 405 rotates to drive the worm 406 to rotate, the worm 406 rotates to drive the worm wheel 407 to rotate, the worm wheel 407 rotates to drive the second threaded rod 408 to rotate, the second threaded rod 408 rotates to drive the movable seat 3 to move, the movable seat 3 moves to drive the fan main body 5 to move, the first threaded rod 405 rotates to drive the sliding block 409 to move, the sliding block 409 moves to drive the movable rod 410 to move towards the outside of the base 1, when the fan main body 5 moves to a proper height, the driving motor 401 stops working, automatic height adjustment operation of the fan main body 5 is facilitated through the structure, compared with traditional manual height adjustment, the efficiency of the fan main body 5 is improved, reinforcing operation is performed on the base 1 after the height adjustment of the fan main body 5, and the situation that the whole body 5 tilts due to overlarge shaking amplitude is avoided during the work of the fan main body 5.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, shall cover the same or different from the technical solution and the practical concept of the present utility model.

Claims

1. The floor fan comprises a base (1), fixed base (2) are fixed on the top of base (1), remove seat (3) have been cup jointed on the top of fixed base (2), the top of removing seat (3) is fixed with fan main part (5), a serial communication port, still including adjustment mechanism (4), adjustment mechanism (4) are including being fixed in inside driving motor (401) of base (1), the output of driving motor (401) has dwang (402) through the coupling joint, the top of dwang (402) is fixed with first bevel gear (403), the one end meshing of first bevel gear (403) has second bevel gear (404), the inside fixedly connected with first threaded rod (405) of second bevel gear (404), the one end of first threaded rod (405) is fixed with worm (406), one side meshing of worm (406) has worm wheel (407), the top of second threaded rod (407) is fixed with second threaded rod (408), the top of second threaded rod (408) runs through to the inside of fixed base (2), and worm wheel (408) are connected with outer wall (408) through second threaded rod (408).

2. The floor fan according to claim 1, wherein the adjusting mechanism (4) further comprises a sliding block (409) connected to the outer wall of the first threaded rod (405) through threads, a moving rod (410) is fixed on one side of the sliding block (409), and one end of the moving rod (410) penetrates to the outside of the base (1).

3. The floor fan according to claim 1, wherein the outer wall of the rotating rod (402) is connected with a limiting plate through a bearing, and the limiting plate is fixedly connected with the inner wall of the base (1).

4. The floor fan according to claim 1, characterized in that the other end of the worm (406) is fixed with another first threaded rod (405), and the two first threaded rods (405) are rotatably connected with the inner wall of the base (1) through bearings.

5. The floor fan according to claim 1, wherein the second threaded rod (408) is rotatably connected with the inner wall of the base (1) through a bearing, and the second threaded rod (408) is rotatably connected with the inner wall of the fixed seat (2) through a bearing.

6. The floor fan according to claim 1, wherein limiting protruding blocks are formed at two ends of the movable seat (3), and limiting sliding grooves matched with moving tracks of the limiting protruding blocks at two ends of the movable seat (3) are formed in the inner wall of the fixed seat (2).

7. The floor fan according to claim 1, wherein moving through grooves matched with moving tracks of the moving rods (410) are formed in two ends of the base (1), rollers are arranged at bottom ends of the moving rods (410), and bottom ends of the rollers are in contact with the ground.