Lifting-type tower fan

Abstract

A lifting-type tower fan, comprising a base and a tower fan head, wherein air inlet holes and air outlet holes are provided in the tower fan head; an electric motor mount, an electric motor mounted on the electric motor mount, and a fan wheel connected to the electric motor are provided in the tower fan head and located between the air inlet holes and the air outlet holes; and an upright is provided on the base, a lifting rod is fixedly connected to a side wall of the tower fan head, and a lifting mechanism is provided between the upright and the lifting rod. The lifting rod is driven by the lifting mechanism on the upright to move vertically, and thus the tower fan head can move vertically, thereby facilitating the adjustment of the vertical air-blowing range of the tower fan, reducing the length of the tower fan head on the basis of meeting the air-blowing range, and facilitating transportation.

Description

A lifting tower fan Technical Field

[0001] The utility model belongs to the technical field of air flow, and particularly relates to a lifting tower fan. Background Art

[0002] Tower fans (tower heaters) are used as both cooling and heating products. Technical issues

[0003] There are currently several disadvantages: 1) Tower fans (tower heaters) are slender in shape, so the packaging size is long, and there are problems with high packaging costs and high transportation costs; 2) The current tower fans (tower heaters) have fixed air outlets and can only blow out in parallel; users cannot change the wind direction when sitting or standing, and adjust the blowing angle according to user needs; 3) Tower fans are relatively high and cannot be adjusted in height, so they take up a lot of space. Technical Solutions

[0004] The utility model provides a lifting tower fan. The lifting tower fan is provided with a column and a lifting rod that moves up and down along the column on the base. The upper part of the lifting rod is fixedly connected to the tower fan head. The lifting mechanism on the column drives the lifting rod to move up and down, thereby realizing the up and down movement of the tower fan head, making it convenient to adjust the upper and lower blowing range of the tower fan, and to reduce the length of the tower fan head when the blowing range is met, thereby facilitating transportation.

[0005] In order to solve the above technical problems, the utility model provides a lifting tower fan, including a base and a tower fan head arranged on the base, the tower fan head is provided with an air inlet and an air outlet, and a motor bracket, a motor mounted on the motor bracket and a wind wheel connected to the motor are provided in the tower fan head between the air inlet and the air outlet, a column is provided on the base, a lifting rod is fixedly connected to the side wall of the tower fan head, and a lifting mechanism is provided between the column and the lifting rod.

[0006] Furthermore, a receiving hole for receiving the lifting rod is provided at the top of the column, the lower part of the lifting rod is sleeved in the column, and a lifting rod limiting sleeve is provided at the top of the column to prevent the lifting rod from falling off.

[0007] Furthermore, a connecting seat is provided on the side wall of the lifting rod, and a connecting sleeve is connected to the connecting seat through bolts. The connecting sleeve is arranged in the tower fan head, and the side wall of the tower fan head is provided with through holes through which no less than two bolts pass.

[0008] Furthermore, the lifting mechanism is configured as a tape lifting mechanism, a motor-driven lifting mechanism, a latch lifting mechanism, and a screw lifting mechanism.

[0009] Furthermore, the belt lifting mechanism includes a spring fixing rod fixed at the lower inner part of the column, a spring wound on the spring fixing rod, a lifting rod buckle arranged at the bottom of the column and a limiting tooth plate arranged corresponding to the lifting rod buckle, the limiting tooth plate is located on the lower side wall of the lifting rod, and the spring is connected to the lifting rod limiting sleeve away from the top of the spring fixing rod.

[0010] Furthermore, the motor-driven lifting mechanism includes a lifting motor mounting bracket fixed in the column, a lifting motor arranged on the lifting motor mounting bracket, a driving gear installed on the motor shaft of the lifting motor, and a gear plate meshing with the driving gear. A mounting plate extends downward from the bottom of the lifting rod, and the gear plate is fixed on the mounting plate.

[0011] Furthermore, the latch lifting mechanism includes a latch support fixed in the lifting rod, a spring arranged in the latch support, a latch with one end sleeved in the spring, and a lifting limit bar cooperating with the latch, the lifting limit bar is arranged in the column, the lifting limit bar is evenly distributed with latch holes in the vertical direction, and the end of the latch extending away from the spring is provided with a bullet head adapted to the latch hole on the side wall of the lifting rod.

[0012] Furthermore, the screw lifting mechanism is provided with a fixing screw, a threaded hole for the fixing screw is provided on the side wall of the column, and the other end of the fixing screw is abutted against the side wall of the lifting rod.

[0013] Furthermore, the tower fan head includes a front shell and a rear shell, the air outlet holes are evenly distributed on the front shell, the air inlet holes are evenly distributed on the rear shell, a receiving slot is arranged between the front shell and the rear shell, a motor bracket is arranged at the bottom of the receiving slot, the motor is vertically mounted on the motor bracket, the wind wheel is vertically arranged in the receiving slot and the bottom of the wind wheel is fixedly connected to the motor, a wind wheel upper fixing seat, a wind wheel shaft sleeve on the wind wheel upper fixing seat and a wind wheel upper mounting frame for fixing the wind wheel shaft sleeve are arranged at the top of the receiving slot, and the wind wheel shaft sleeve is provided with a center hole sleeved on the rotating shaft at the top of the wind wheel.

[0014] Furthermore, the base includes a base upper cover, a base bottom cover, and a deflection mechanism arranged between the base upper cover and the base bottom cover, the deflection mechanism includes a guide pulley fixed on the base bottom cover, a synchronous motor bracket fixed in the base upper cover and located above the guide pulley, a synchronous motor is fixedly provided on the upper surface of the synchronous motor bracket, the motor shaft of the synchronous motor passes through the bottom of the synchronous motor bracket and is connected to an eccentric wheel, a center hole for connecting to a hinge column of the eccentric wheel is provided in the middle of the guide pulley, and a control panel and a circuit board connected to the control panel are provided on the base upper cover. Beneficial effects

[0015] The utility model relates to a lifting tower fan. A column and a lifting rod that moves up and down along the column are provided on the base. The upper part of the lifting rod is fixedly connected to the tower fan head. The lifting mechanism on the column is used to drive the lifting rod to move up and down, so that the tower fan head can be moved up and down, which makes it convenient to adjust the blowing range of the tower fan up and down, and to reduce the length of the tower fan head when the blowing range is met, so as to facilitate transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] FIG1 is a schematic structural diagram of a lifting tower fan of the present invention;

[0017] FIG2 is a cross-sectional view of a lifting tower fan of the present invention;

[0018] FIG3 is an exploded schematic diagram of a belt lifting method in a lifting tower fan of the present invention;

[0019] FIG4 is a partial enlarged view of a belt lifting mechanism in a lifting tower fan of the present invention;

[0020] FIG5 is a cross-sectional view of a motor-driven lifting mode of a lifting tower fan of the present invention;

[0021] FIG6 is an exploded view of a motor-driven lifting method of a lifting tower fan of the present invention;

[0022] FIG7 is a partial enlarged view of a motor-driven lifting mechanism in a lifting tower fan of the present invention;

[0023] FIG8 is an exploded schematic diagram of a lifting method of a latch in a lifting tower fan of the present invention;

[0024] FIG9 is a partial enlarged view of a latch lifting mechanism in a lifting tower fan of the present invention;

[0025] FIG10 is an exploded schematic diagram of a lifting method of screws in a lifting tower according to the present invention;

[0026] FIG11 is a schematic diagram of an exploded decomposition of a base in a lifting tower of the present invention.

[0027] Figure 1: 1-tower fan head; 2-base; 3-column; 4-lifting rod; 5-front shell; 6-rear shell; 7-air inlet; 8-motor bracket; 9-motor; 10-wind wheel; 11-wind wheel shaft sleeve; 12-wind wheel upper fixing seat; 13-wind wheel upper mounting frame; 14-air outlet; 15-connecting seat; 16-connecting sleeve; 17-lifting rod limiting sleeve; 18-lifting rod buckle; 19-spring; 20-limiting tooth plate; 21-spring fixing rod; 22- Mounting plate; 23-lifting motor mounting bracket; 24-lifting motor; 25-driving gear; 26-tooth plate; 27-lifting limit strip; 28-latch support; 29-spring; 30-latch; 31-latch hole; 32-fixing screw; 33-base upper cover; 34-circuit board; 35-control panel; 36-base bottom cover; 37-synchronous motor bracket; 38-synchronous motor; 39-eccentric wheel; 40-guide pulley; 41-sleeve; 42-gasket. Best Mode for Carrying Out the Invention

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0029] As shown in Figure 1-11, there is a structural schematic diagram of a lifting tower fan proposed by the present invention. The present invention is a lifting tower fan, comprising a base 2 and a tower fan head 1 arranged on the base 2, the tower fan head 1 is provided with an air inlet 7 and an air outlet 14, a motor bracket 8, a motor 9 mounted on the motor bracket 8 and a wind wheel 10 connected to the motor 9 are provided in the tower fan head 1 between the air inlet 7 and the air outlet 14, a column 3 is provided on the base 2, a lifting rod 4 is fixedly connected to the side wall of the tower fan head 1, and a lifting mechanism is provided between the column 3 and the lifting rod 4.

[0030] In this embodiment, a column 3 and a lifting rod 4 that moves up and down along the column 3 are provided on the base 2. The upper part of the lifting rod 4 is fixedly connected to the tower fan head 2. The lifting mechanism on the column 3 drives the lifting rod 4 to move up and down, thereby realizing the up and down movement of the tower fan head 1, making it convenient to adjust the up and down blowing range of the tower fan, and to reduce the length of the tower fan head when the blowing range is met, so as to facilitate transportation. Modes for Carrying Out the Invention

[0031] In a preferred embodiment, a receiving hole for accommodating the lifting rod 4 is provided at the top of the column 3, the lower part of the lifting rod 4 is inserted into the column 3, and a lifting rod limiting sleeve 17 is provided at the top of the column 3 to prevent the lifting rod from falling off. In this embodiment, the structure limits the lifting range of the lifting rod 4 by inserting the lifting rod 4 into the column 3 and using the lifting rod limiting sleeve 17 to prevent the lifting rod 4 from slipping out.

[0032] In a preferred embodiment, a connecting seat 15 is provided on the side wall of the lifting rod 4, and a connecting sleeve 16 is connected to the connecting seat 15 by bolts. The connecting sleeve 16 is arranged in the tower fan head 1, and a through hole through which no less than two bolts pass is provided on the side wall of the tower fan head 1. The structure of this embodiment facilitates the fixing of the tower fan head 1 on the side wall of the lifting rod 4, and realizes the lifting and lowering movement of the tower fan head 1 during the up and down movement of the lifting rod 4.

[0033] In a preferred embodiment, the lifting mechanism is configured as a tape lifting mechanism, a motor-driven lifting mechanism, a latch lifting mechanism, and a screw lifting mechanism. In this embodiment, the structure can adopt a variety of lifting modes to determine whether the lifting rod 4 is lifted or lowered.

[0034] In a preferred embodiment, the belt lifting mechanism includes a spring fixing rod 21 fixed to the lower inner part of the column 3, a spring 19 wound on the spring fixing rod 21, a lifting rod buckle 18 arranged at the bottom of the column 3, and a limiting tooth plate 20 arranged corresponding to the lifting rod buckle 18. The limiting tooth plate 20 is located on the lower side wall of the lifting rod 4, and the spring 19 is connected to the lifting rod limiting sleeve 17 away from the top of the spring fixing rod 21. In this embodiment, the structure adopts a semi-automatic lifting method for lifting. After the lifting rod 4 can be manually raised to the moving position, the spring 19 is opened and connected to the limiting tooth plate 20 through the lifting rod buckle 18 to fix the lifting rod 4. When descending, the lifting rod buckle 18 is manually disengaged from the limiting tooth plate 20, and the lifting rod 4 automatically descends under the pulling force of the spring 19.

[0035] In a preferred embodiment, the motor-driven lifting mechanism includes a lifting motor mounting frame 23 fixed in the column, a lifting motor 24 arranged on the lifting motor mounting frame 23, a driving gear 25 mounted on the motor shaft of the lifting motor 24, and a tooth plate 26 engaged with the driving gear 25. A mounting plate 22 extends downward from the bottom of the lifting rod 4, and the tooth plate 26 is fixed on the mounting plate 22. In this embodiment, the motor drives the driving gear 25 to rotate, and the driving gear 25 engages the tooth plate 26 to make the tooth plate 26 move up and down, thereby realizing the mounting plate 22 and the lifting rod 4 sliding up and down along the driving gear 25, thereby realizing automatic lifting.

[0036] When the lifting rod 4 moves up and down, the bullet head and the latch 30 are squeezed by the lifting limit bar 27 and slide out of the latch hole 31, making it convenient for the lifting rod 4 to move up and down.

[0037] In a preferred embodiment, the screw lifting mechanism is provided with a fixing screw 32, and a threaded hole for the fixing screw 32 is provided on the side wall of the column 3. The other end of the fixing screw 32 is abutted against the side wall of the lifting rod 4. In this embodiment, the structure adopts manual lifting. After lifting to a certain position, the lifting rod 4 is fixed by tightening the fixing screw 32.

[0038] In a preferred embodiment, the tower fan head 1 includes a front shell 5 and a rear shell 6, the air outlet holes 14 are evenly distributed on the front shell 5, the air inlet holes 7 are evenly distributed on the rear shell 6, and a receiving slot is arranged between the front shell 5 and the rear shell 6. A motor bracket 8 is arranged at the bottom of the receiving slot, and the motor 9 is vertically installed on the motor bracket 8. The wind wheel 10 is vertically arranged in the receiving slot and its bottom is fixedly connected to the motor 9. A wind wheel upper fixing seat 12, a wind wheel shaft sleeve 11 on the wind wheel upper fixing seat 12 and a wind wheel upper mounting frame 13 for fixing the wind wheel shaft sleeve 11 are arranged at the top of the receiving slot. The wind wheel shaft sleeve 11 is provided with a center hole mounted on the rotating shaft at the top of the wind wheel 10. The structure of this embodiment facilitates the air intake and outlet of the tower fan head 1. It utilizes the vertical wind wheel structure to improve the air outlet efficiency of the tower fan head 1.

[0039] In a preferred embodiment, the base 2 includes a base upper cover 33, a base bottom cover 36 and a deflection mechanism arranged between the base upper cover 33 and the base bottom cover 36, the deflection mechanism includes a guide pulley 40 fixed on the base bottom cover 33, a synchronous motor bracket 37 fixed in the base upper cover 33 and located above the guide pulley 40, a synchronous motor 38 is fixed on the upper surface of the synchronous motor bracket 37, the synchronous motor shaft passes through the bottom of the synchronous motor bracket and is connected to an eccentric wheel 39, a central hole for connecting the hinge column of the eccentric wheel 30 is provided in the middle of the guide pulley 40, a control panel 34 and a circuit board 35 connected to the control panel are provided on the base upper cover 33, and the structure of this embodiment is conducive to realizing the deflection or 360-degree rotation of the tower fan head 1, lifting rod 4 and column 3 on the base 2, thereby increasing the blowing range of the tower fan.

[0040] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.

Claims

1. A lifting tower fan, comprising a base and a tower fan head arranged on the base, the tower fan head being provided with an air inlet and an air outlet, a motor bracket, a motor mounted on the motor bracket and a wind wheel connected to the motor being arranged in the tower fan head between the air inlet and the air outlet, characterized in that: A column is arranged on the base, a lifting rod is fixedly connected to the side wall of the tower fan head, and a lifting mechanism is arranged between the column and the lifting rod.

2. A lifting tower fan according to claim 1, characterized in that: The top of the column is provided with a receiving hole for receiving the lifting rod, the lower part of the lifting rod is sleeved in the column, and the top of the column is provided with a lifting rod limiting sleeve for preventing the lifting rod from falling off.

3. A lifting tower fan according to claim 1, characterized in that: A connecting seat is arranged on the side wall of the lifting rod, a connecting sleeve is connected to the connecting seat through bolts, the connecting sleeve is arranged in the tower fan head, and at least two through holes for the bolts to pass through are arranged on the side wall of the tower fan head.

4. A lifting tower fan according to claim 2 or 3, characterized in that: The lifting mechanism is configured as a tape lifting mechanism, a motor driven lifting mechanism, a latch lifting mechanism and a screw lifting mechanism.

5. A lifting tower fan according to claim 4, characterized in that: The belt lifting mechanism includes a spring fixing rod fixed at the lower inner part of the column, a spring wound on the spring fixing rod, a lifting rod buckle arranged at the bottom of the column and a limiting tooth plate arranged corresponding to the lifting rod buckle, the limiting tooth plate is located on the lower side wall of the lifting rod, and the top of the spring away from the spring fixing rod is connected to the lifting rod limiting sleeve.

6. A lifting tower fan according to claim 4, characterized in that: The motor-driven lifting mechanism includes a lifting motor mounting frame fixed in the column, a lifting motor arranged on the lifting motor mounting frame, a driving gear installed on the motor shaft of the lifting motor, and a tooth plate meshing with the driving gear. A mounting plate extends downward from the bottom of the lifting rod, and the tooth plate is fixed on the mounting plate.

7. A lifting tower fan according to claim 4, characterized in that: The latch lifting mechanism includes a latch support fixed in the lifting rod, a spring arranged in the latch support, a latch with one end sleeved in the spring, and a lifting limit strip cooperating with the latch, wherein the lifting limit strip is arranged in the column, and the lifting limit strip is evenly distributed with latch holes in the vertical direction, and one end of the latch extending away from the spring and extending out of the lifting rod side wall is provided with a bullet head adapted to the latch hole.

8. The lifting tower fan according to claim 4, characterized in that: The screw lifting mechanism is provided with a fixing screw, and a threaded hole for the fixing screw is provided on the side wall of the column, and the other end of the fixing screw is abutted against the side wall of the lifting rod.

9. The lifting tower fan according to claim 1, characterized in that: The tower fan head includes a front shell and a rear shell, the air outlet holes are evenly distributed on the front shell, the air inlet holes are evenly distributed on the rear shell, a receiving slot is arranged between the front shell and the rear shell, a motor bracket is arranged at the bottom of the receiving slot, the motor is vertically installed on the motor bracket, the wind wheel is vertically arranged in the receiving slot and the bottom of the wind wheel is fixedly connected to the motor, a wind wheel upper fixing seat, a wind wheel shaft sleeve on the wind wheel upper fixing seat and a wind wheel upper mounting frame for fixing the wind wheel shaft sleeve are arranged at the top of the receiving slot, and the wind wheel shaft sleeve is provided with a center hole sleeved on the rotating shaft at the top of the wind wheel.

10. The lifting tower fan according to claim 1, characterized in that: The base includes a base upper cover, a base bottom cover and a deflection mechanism arranged between the base upper cover and the base bottom cover, the deflection mechanism includes a guide pulley fixed on the base bottom cover, a synchronous motor bracket fixed in the base upper cover and located above the guide pulley, a synchronous motor is fixedly arranged on the upper surface of the synchronous motor bracket, the motor shaft of the synchronous motor passes through the bottom of the synchronous motor bracket and is connected to an eccentric wheel, a center hole for connecting a hinge column of the eccentric wheel is arranged in the middle of the guide pulley, and a control panel and a circuit board connected to the control panel are arranged on the base upper cover.

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