Tower fan with rear net and wind wheel detachable cleaning structure

Abstract

The utility model provides a tower fan with a rear net and a wind wheel detachable cleaning structure, and relates to the technical field of tower fans, the tower fan comprises a base, a driving motor is arranged in a bottom frame, the output end of the driving motor is fixedly connected with a wind wheel frame, a convenient device is arranged on the outer surface of the bottom frame, the convenient device comprises an arc-shaped rod, and the arc-shaped rod is fixedly connected with the wind wheel frame. An embedded groove is formed in the outer surface of the frame, an arc-shaped plate is slidably inserted into the inner wall of the embedded groove, an activated carbon filter screen is arranged on one side of the arc-shaped plate, and insertion blocks are fixedly connected to the two sides of the bottom end of the arc-shaped rod. And when the activated carbon filter screen needs to be dismounted, cleaned and replaced, the arc-shaped plate is taken out from one side of the arc-shaped rod, the activated carbon filter screen does not need to be replaced by dismounting the whole convenient device, the stability of the mounted activated carbon filter screen is ensured, and the use convenience of the tower fan is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tower fan technical field especially, it is a kind of tower fan with rear net and detachable cleaning structure of wind wheel. BACKGROUND

[0002] Tower fan is a kind of household appliance, mainly used in indoor environment, provides cool air flow, tower fan usually has vertical tower design, small footprint, saves space, suitable for placing in corner or narrow space, compared with traditional fan is more easily stored and handled.

[0003] Tower fan is inhaled air into body interior by fan when working, then driven turbine fan by internal motor, air after acceleration is blown out through air guide wheel or air guide plate in fan interior, filter screen outside tower fan and internal purification filter screen are usually connected by multiple bolts with the frame inside tower fan, when needing to replace or clean purification filter screen, the whole of external filter screen and purification filter screen are all disassembled to replace purification filter screen, leading to the problem that it is more inconvenient to clean or replace air purification filter screen inside tower fan. SUMMARY

[0004] The utility model aims at solving the problem that filter screen outside tower fan and internal purification filter screen are usually connected by multiple bolts with the frame inside tower fan, when needing to replace or clean purification filter screen, the whole of external filter screen and purification filter screen are all disassembled to replace purification filter screen, leading to the problem that it is more inconvenient to clean or replace air purification filter screen inside tower fan, and proposes a kind of tower fan with rear net and detachable cleaning structure of wind wheel.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of tower fan with rear net and detachable cleaning structure of wind wheel, including base, the top of the base is installed with front shell and rear shell by the way of clamping, the outer surface of the front shell and rear shell is provided with front net and rear net respectively, the top of the front shell and rear shell is connected with top cover by bolt, one side of the rear shell is installed with frame by the way of clamping, the frame includes top frame and bottom frame, the top frame is fixedly connected between the bottom frame, the outer surface of the top frame is provided with driving device and suction fan of driving suction fan operation, the inside of the bottom frame is provided with driving motor, the output end of the driving motor is fixedly connected with wind wheel frame, the outer surface of the wind wheel frame is provided with wind wheel.

[0006] The effects achieved by the above components are that when the tower fan is used, the control knob at the top end of the top cover controls the driving device inside the top frame to drive the suction fan to rotate to suck air into the body through the top end of the front shell, and the driving motor at the bottom end of the bottom frame drives the wind wheel frame to rotate to accelerate the air, and the accelerated air is blown out through the filter screen of the front shell for air supply, and the filter screens on the outer surfaces of the front shell and the rear shell can filter impurities in the air.

[0007] Preferably, the outer surface of the bottom frame is provided with a convenient device, the convenient device comprises an arc-shaped rod, two sides of the arc-shaped rod are respectively provided with an embedded groove, inner walls of the embedded grooves are rotationally connected with shaft rods, outer surfaces of the shaft rods are fixedly connected with stop rods, upper and lower ends of the shaft rods are respectively provided with coil springs, two ends of the coil springs are respectively fixedly connected with one side of the shaft rod and one side of the inner wall of the embedded groove, the inner wall of the embedded groove is slidably inserted with an arc-shaped plate, one side of the arc-shaped plate is provided with an activated carbon filter screen, bottom ends of two sides of the arc-shaped rod are fixedly connected with plug blocks, one side of one of the plug blocks is provided with a clamping groove, the outer surface of the bottom frame is provided with two plug grooves, one side of the top end of the bottom frame is fixedly connected with a rectangular block, the inner wall of the rectangular block is slidably connected with a round rod, one end of the round rod is fixedly connected with a clamping block, one side of the clamping block is provided with a spring, two ends of the spring are respectively fixedly connected with one side of the clamping block and one side of the rectangular block.

[0008] The effects achieved by the above components are that by arranging the clamping block, when the activated carbon filter screen is installed, two stop rods on two sides of the arc-shaped rod are respectively pushed to rotate in a direction away from the embedded grooves and the coil springs are deformed, then two sides of the arc-shaped plate are respectively placed in the embedded grooves on one side of the arc-shaped rod, the stop rod coil springs return to the original state to drive the stop rods to rotate in the original direction, the stop rods are stopped on two sides of the arc-shaped plate to install the arc-shaped plate and the activated carbon filter screen on one side of the arc-shaped rod, then the two plug blocks at the bottom ends of the arc-shaped rod are respectively inserted into the two plug grooves at the top end of the bottom frame, when one side of one of the plug blocks contacts one side of the clamping block, the clamping block is pushed to move towards the rectangular block and compress the spring, then the plug block continues to move until the clamping groove on the outer surface is located on one side of the clamping block, the bottom end of the arc-shaped rod contacts the outer surface of the bottom frame, the spring on the outer surface of the clamping block returns to the original state to push the clamping block to move outward and insert the clamping block into the clamping groove on one side of the plug block, the position of the plug block in the plug groove and the position of the arc-shaped rod at the top end of the bottom frame are fixed, and the activated carbon filter screen is installed on the outer surface of the bottom frame, when the activated carbon filter screen needs to be removed for cleaning, the front shell is removed, the two stop rods on one side of the arc-shaped rod are pushed to rotate, and then the arc-shaped plate is pulled out, so that the activated carbon filter screen can be replaced without disassembling the entire convenient device, and the stability of the activated carbon filter screen after installation is ensured.

[0009] Preferably, the diameter of the round rod is slightly smaller than the inner diameter of the spring, and the spring is located on the outer side of the round rod.

[0010] The effect achieved by the above-mentioned components is that when the clamping block moves, the spring will move outside the round rod, the internal shape of the spring can be reinforced through the round rod, and the spring is prevented from being twisted as much as possible to affect normal use.

[0011] Preferably, the bottom end of the insertion block is fixedly connected with an auxiliary side, and the side edge of the auxiliary side is arc-shaped.

[0012] The effect achieved by the above-mentioned components is that when the insertion block moves downward and the arc-shaped auxiliary side contacts one end of the clamping block, the clamping block is more easily pushed to move in the direction of the rectangular block and compress the spring, and it is not easy to be stuck.

[0013] Preferably, the side of the blocking rod is fixedly connected with a protruding block, and the outer surface of the protruding block is L-shaped.

[0014] The effect achieved by the above-mentioned components is that the L-shaped protruding block far away from the blocking rod can be used to push the blocking rod to rotate to disassemble and assemble the arc-shaped plate more conveniently.

[0015] Preferably, the end of the round rod away from the clamping block is rotatably connected with a positioning block, and the bottom end of the positioning block slides on the top end of the bottom frame.

[0016] The effect achieved by the above-mentioned components is that when the clamping block and the round rod move, the bottom end of the positioning block slides on the outer surface of the bottom frame, and the angle between the round rod, the clamping block and the rectangular block can be further limited through the positioning block, so that the angle is prevented from being deviated as much as possible when the round rod and the clamping block move.

[0017] Preferably, the outer surface of the bottom frame is fixedly connected with two limiting blocks on the side close to the rectangular block, and the distance between the two limiting blocks is slightly greater than the width of the positioning block.

[0018] The effect achieved by the above-mentioned components is that when the insertion block at the bottom end of the arc-shaped rod needs to be pulled out from the insertion slot, the positioning block can be pulled to control the round rod to move away from the rectangular block so that the positioning block is located on one side of the two limiting blocks, and then the positioning block is pushed to rotate so that the positioning block is perpendicular to and attached to one side of the limiting block, thereby temporarily limiting the positions of the round rod and the clamping block, facilitating the pulling out of the insertion block from the insertion slot and the subsequent insertion of the insertion block into the insertion slot.

[0019] Preferably, the outer surface of the bottom frame is fixedly connected with two U-shaped blocks, and the two U-shaped blocks are located on the top end sides of the two insertion slots.

[0020] The effect achieved by the above-mentioned components is that when the insertion block is inserted into the insertion slot, the insertion block can be attached to the inner wall of the U-shaped block to slide downward to preliminarily position the angle between the insertion block and the insertion slot, thereby facilitating the insertion of the insertion block into the insertion slot more smoothly.

[0021] Compared with the prior art, the utility model has the advantages and positive effects that:

[0022] In the utility model, the arc-shaped plate with the activated carbon filter screen is installed on the outer surface of the frame through the arc-shaped rod, when the activated carbon filter screen needs to be removed, cleaned and replaced, the arc-shaped plate is taken out from one side of the arc-shaped rod, the activated carbon filter screen can be replaced without disassembling the convenient device as a whole, the stability of the activated carbon filter screen after installation is ensured, and the convenience of the tower fan during use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of the local section of the rear cover of the utility model;

[0025] Figure 3 It is a schematic diagram of the three-dimensional structure of the bottom frame of the utility model;

[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the wind wheel frame of the utility model;

[0027] Figure 5 It is a schematic diagram of the three-dimensional structure of the top frame of the utility model;

[0028] Figure 6 It is a schematic diagram of the three-dimensional structure of the utility model Figure 5 of the A local enlarged view;

[0029] Figure 7 It is a schematic diagram of the three-dimensional structure of the arc-shaped rod of the utility model;

[0030] Figure 8 It is a schematic diagram of the three-dimensional structure of the arc-shaped plate of the utility model.

[0031] Legend: 1, base; 2, convenient device; 3, wind wheel frame; 4, front shell; 5, top cover; 6, rear shell; 7, frame; 21, insertion slot; 22, rectangular block; 23, round rod; 24, spring; 25, clamping block; 26, arc-shaped rod; 27, embedded groove; 28, shaft rod; 29, blocking rod; 210, coil spring; 211, insertion block; 212, clamping groove; 213, arc-shaped plate; 214, activated carbon filter screen; 215, auxiliary edge; 216, protruding block; 217, positioning block; 218, limiting block; 219, U-shaped block; 71, top frame; 72, bottom frame; 73, driving motor. DETAILED DESCRIPTION

[0032] Example 1, as Figures 1-5As shown, a tower fan with detachable cleaning structure of rear net and wind wheel, comprising a base 1, the top end of the base 1 is provided with a front shell 4 and a rear shell 6 through clamping, the outer surface of the front shell 4 and the rear shell 6 is respectively provided with a front net and a rear net, the top end of the front shell 4 and the rear shell 6 is provided with a top cover 5 through bolt connection, one side of the rear shell 6 is provided with a frame 7 through clamping, the frame 7 comprises a top frame 71 and a bottom frame 72, the top frame 71 and the bottom frame 72 are fixedly connected, the outer surface of the top frame 71 is provided with a driving device and a suction fan for driving the suction fan to operate, the inside of the bottom frame 72 is provided with a driving motor 73, the output end of the driving motor 73 is fixedly connected with a wind wheel frame 3, the outer surface of the wind wheel frame 3 is provided with a wind wheel, when using the tower fan, the control knob at the top end of the top cover 5 controls the driving device inside the top frame 71 to drive the suction fan to rotate, air is sucked into the body through the top end of the front shell 4, the driving motor 73 at the bottom end of the bottom frame 72 drives the wind wheel frame 3 to rotate to accelerate the air, and the accelerated air is blown out through the filter screen of the front shell 4 to supply air, the impurities in the air can be filtered through the filter screen on the outer surface of the front shell 4 and the rear shell 6.

[0033] Reference Figures 1-8As shown, the outer surface of the bottom frame 72 is provided with the convenient device 2, the convenient device 2 includes the arc-shaped rod 26, the two sides of the arc-shaped rod 26 are respectively provided with the embedded groove 27, the inner wall of the embedded groove 27 is rotatably connected with the shaft rod 28, the outer surface of the shaft rod 28 is fixedly connected with the blocking rod 29, the upper and lower ends of the shaft rod 28 are respectively provided with the coil spring 210, the two ends of the coil spring 210 are respectively fixedly connected with one side of the shaft rod 28 and one side of the inner wall of the embedded groove 27, the inner wall of the embedded groove 27 is slidably inserted with the arc-shaped plate 213, one side of the arc-shaped plate 213 is provided with the activated carbon filter screen 214, the bottom end of the arc-shaped rod 26 is fixedly connected with the plug block 211 on the two sides, one side of one plug block 211 is provided with the clamping groove 212, the outer surface of the bottom frame 72 is provided with two plug slots 21, one side of the top end of the bottom frame 72 is fixedly connected with the rectangular block 22, the inner wall of the rectangular block 22 is slidably connected with the circular rod 23, one end of the circular rod 23 is fixedly connected with the clamping block 25, one side of the clamping block 25 is provided with the spring 24, the two ends of the spring 24 are respectively fixedly connected with one side of the clamping block 25 and one side of the rectangular block 22, by arranging the clamping block 25, when the activated carbon filter screen 214 is installed, the two blocking rods 29 on the two sides of the arc-shaped rod 26 are respectively pushed to rotate in the direction away from the embedded groove 27 and the coil spring 210 is deformed, then the two sides of the arc-shaped plate 213 are respectively placed in the inside of the two embedded grooves 27 on one side of the arc-shaped rod 26, the blocking rod 29 is released, the coil spring 210 returns to the original state and drives the blocking rod 29 to rotate in the original direction, so that the blocking rod 29 blocks the two sides of the arc-shaped plate 213 to install the arc-shaped plate 213 and the activated carbon filter screen 214 on one side of the arc-shaped rod 26, then the two plug blocks 211 at the bottom end of the arc-shaped rod 26 are respectively inserted into the inside of the two plug slots 21 at the top end of the bottom frame 72, when one side of one plug block 211 contacts one side of the clamping block 25, the clamping block 25 is pushed to move in the direction of the rectangular block 22 and the spring 24 is compressed, then the plug block 211 continues to move until the clamping groove 212 on the outer surface is located at one side of the clamping block 25, the bottom end of the arc-shaped rod 26 contacts the outer surface of the bottom frame 72, the spring 24 on the outer surface of the clamping block 25 returns to the original state and pushes the clamping block 25 to move outward to insert the clamping block 25 into the clamping groove 212 on one side of the plug block 211, the position of the plug block 211 in the plug slot 21 and the position of the arc-shaped rod 26 at the top end of the bottom frame 72 are fixed, the activated carbon filter screen 214 is installed on the outer surface of the bottom frame 72, when the activated carbon filter screen 214 needs to be disassembled and cleaned, the front shell 4 is disassembled, the two blocking rods 29 on one side of the arc-shaped rod 26 are pushed to rotate, then the arc-shaped plate 213 is pulled out, the convenient device 2 does not need to be disassembled as a whole to replace the activated carbon filter screen 214, and the stability of the activated carbon filter screen 214 after installation is ensured.

[0034] Referring to Figures 2-8As shown, in this embodiment: the diameter of the round rod 23 is slightly smaller than the inner diameter of the spring 24, the spring 24 is located outside the round rod 23, and the spring 24 moves outside the round rod 23 when the clamping block 25 moves. The internal shape of the spring 24 can be reinforced through the round rod 23, so as to avoid the spring 24 from being twisted and affecting normal use as much as possible. The bottom end of the insertion block 211 is fixedly connected with an auxiliary edge 215, one side edge of the auxiliary edge 215 is arc-shaped, and the arc-shaped auxiliary edge 215 is more easily pushed to move the clamping block 25 in the direction of the rectangular block 22 and compress the spring 24 when the insertion block 211 moves downward and the arc-shaped auxiliary edge 215 contacts one end of the clamping block 25.

[0035] With reference to Figures 5-8 As shown, in this embodiment: the side of the blocking rod 29 is fixedly connected with a protrusion 216, the outer surface of the protrusion 216 is L-shaped, and the L-shaped protrusion 216 away from the blocking rod 29 can be used to push the blocking rod 29 to rotate to disassemble or assemble the arc-shaped plate 213 more conveniently. The end of the round rod 23 away from the clamping block 25 is rotationally connected with a positioning block 217, the bottom end of the positioning block 217 slides on the top end of the bottom frame 72, and the bottom end of the positioning block 217 slides on the outer surface of the bottom frame 72 when the clamping block 25 and the round rod 23 move. The angle between the round rod 23, the clamping block 25 and the rectangular block 22 can be further limited through the positioning block 217, so as to avoid the angle between the round rod 23 and the clamping block 25 from being deviated as much as possible when they move.

[0036] With reference to Figures 5-8 As shown, in this embodiment: the outer surface of the bottom frame 72 is fixedly connected with two limiting blocks 218 on the side close to the rectangular block 22, the distance between the two limiting blocks 218 is slightly greater than the width of the positioning block 217, the insertion block 211 at the bottom end of the arc-shaped rod 26 can be pulled out from the inside of the insertion slot 21 by pulling the positioning block 217 to control the round rod 23 to move away from the rectangular block 22 so that the positioning block 217 is located on one side of the two limiting blocks 218, and then the positioning block 217 is pushed to rotate so that the positioning block 217 is perpendicular to and abuts on one side of the limiting block 218, thereby temporarily limiting the positions of the round rod 23 and the clamping block 25, facilitating pulling out the insertion block 211 from the inside of the insertion slot 21 and facilitating subsequent insertion of the insertion block 211 into the inside of the insertion slot 21. The outer surface of the bottom frame 72 is fixedly connected with two U-shaped blocks 219, and the two U-shaped blocks 219 are respectively located on the top end side of the two insertion slots 21. When the insertion block 211 is inserted into the inside of the insertion slot 21, the insertion block 211 can be abutted on the inner wall of the U-shaped block 219 to slide downward, thereby preliminarily positioning the angle between the insertion block 211 and the insertion slot 21, and facilitating more smoothly inserting the insertion block 211 into the inside of the insertion slot 21.

[0037] Working principle: when using the tower fan, push two blocking rods 29 on both sides of the arc-shaped rod 26 to rotate in the direction away from the embedded groove 27 and make the coil spring 210 deform, then put both sides of the arc-shaped plate 213 inside the two embedded grooves 27 on one side of the arc-shaped rod 26, loosen the blocking rod 29, the coil spring 210 returns to its original state and drives the blocking rod 29 to rotate in the original direction, so that the blocking rod 29 blocks both sides of the arc-shaped plate 213 to install the arc-shaped plate 213 and the activated carbon filter screen 214 on one side of the arc-shaped rod 26, then insert two insertion blocks 211 at the bottom end of the arc-shaped rod 26 into two insertion slots 21 at the top end of the bottom frame 72, when one side of an insertion block 211 contacts one side of the clamping block 25, the clamping block 25 will be pushed to move in the direction of the rectangular block 22 and compress the spring 24, then the insertion block 211 continues to move until the clamping groove 212 on the outer surface of the insertion block 211 is located on one side of the clamping block 25, the bottom end of the arc-shaped rod 26 contacts the outer surface of the bottom frame 72, the spring 24 on the outer surface of the clamping block 25 returns to its original state and pushes the clamping block 25 to move outward to insert the clamping block 25 into the clamping groove 212 on one side of the insertion block 211, fix the position of the insertion block 211 in the insertion slot 21 and the position of the arc-shaped rod 26 at the top end of the bottom frame 72, install the activated carbon filter screen 214 on the outer surface of the bottom frame 72, then clamp the two sides of the front shell 4 and the rear shell 6, connect the top cover 5 with the top end of the front shell 4 and the rear shell 6 through bolts, control the driving device inside the top frame 71 through the control knob at the top end of the top cover 5 to drive the suction fan to rotate, suck air into the body through the top end of the front shell 4, drive the wind wheel frame 3 to rotate through the driving motor 73 at the bottom end of the bottom frame 72 to accelerate the air, and blow out the accelerated air through the filter screen of the front shell 4 to supply air, the impurities in the air can be filtered through the filter screens on the outer surfaces of the front shell 4 and the rear shell 6, when it is necessary to remove and clean the activated carbon filter screen 214, remove the front shell 4 and rotate two blocking rods 29 on one side of the arc-shaped rod 26, then pull out the arc-shaped plate 213.

[0038] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and alteration of the above embodiments without departing from the technical content of the present application, according to the technical essence of the present application, still belong to the protection scope of the present application. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be connected inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A tower fan with rear net and wind wheel detachable cleaning structure, comprising a base (1), characterized in that: The top end of the base (1) is provided with a front shell (4) and a rear shell (6) by clamping, the outer surfaces of the front shell (4) and the rear shell (6) are respectively provided with a front net and a rear net, the top end of the front shell (4) and the rear shell (6) is provided with a top cover (5) by bolt connection, one side of the rear shell (6) is provided with a frame (7) by clamping, the frame (7) comprises a top frame (71) and a bottom frame (72), the top frame (71) and the bottom frame (72) are fixedly connected, the outer surface of the top frame (71) is provided with a driving device and a suction fan for driving the suction fan to operate, the inside of the bottom frame (72) is provided with a driving motor (73), the output end of the driving motor (73) is fixedly connected with a wind wheel frame (3), and the outer surface of the wind wheel frame (3) is provided with a wind wheel.

2. The tower fan with the rear net and the detachable cleaning structure of the wind wheel according to claim 1, characterized in that: The outer surface of the bottom frame (72) is provided with a convenient device (2), the convenient device (2) comprises an arc-shaped rod (26), both sides of the arc-shaped rod (26) are provided with an embedded groove (27), the inner wall of the embedded groove (27) is rotatably connected with a shaft rod (28), the outer surface of the shaft rod (28) is fixedly connected with a blocking rod (29), the upper and lower ends of the shaft rod (28) are respectively provided with a coil spring (210), the two ends of the coil spring (210) are respectively fixedly connected with one side of the shaft rod (28) and one side of the inner wall of the embedded groove (27), the inner wall of the embedded groove (27) is slidably inserted with an arc-shaped plate (213), one side of the arc-shaped plate (213) is provided with an activated carbon filter screen (214), the bottom end of the arc-shaped rod (26) is fixedly connected with an insertion block (211) on both sides, one side of one insertion block (211) is provided with a clamping groove (212), the outer surface of the bottom frame (72) is provided with two insertion grooves (21), one side of the top end of the bottom frame (72) is fixedly connected with a rectangular block (22), the inner wall of the rectangular block (22) is slidably connected with a circular rod (23), one end of the circular rod (23) is fixedly connected with a clamping block (25), one side of the clamping block (25) is provided with a spring (24), the two ends of the spring (24) are respectively fixedly connected with one side of the clamping block (25) and one side of the rectangular block (22).

3. The tower fan with the rear net and the detachable cleaning structure of the wind wheel according to claim 2, characterized in that: The diameter of the circular rod (23) is slightly smaller than the inner diameter of the spring (24), and the spring (24) is located outside the circular rod (23).

4. The tower fan with the rear net and the detachable cleaning structure of the wind wheel according to claim 3, characterized in that: The bottom end of the insertion block (211) is fixedly connected with an auxiliary edge (215), and the side edge of the auxiliary edge (215) is arc-shaped.

5. The tower fan with the rear net and the detachable cleaning structure of the wind wheel according to claim 4, characterized in that: One side of the blocking rod (29) is fixedly connected with a protruding block (216), and the outer surface of the protruding block (216) is L-shaped.

6. The tower fan with the rear net and the detachable cleaning structure of the wind wheel according to claim 5, characterized in that: The end of the circular rod (23) away from the clamping block (25) is rotatably connected with a positioning block (217), and the bottom end of the positioning block (217) slides on the top end of the bottom frame (72).

7. The tower fan with the rear net and the detachable cleaning structure of the wind wheel according to claim 6, characterized in that: The outer surface of the bottom frame (72) is fixedly connected with two limiting blocks (218) on one side close to the rectangular block (22), and the distance between the two limiting blocks (218) is slightly greater than the width of the positioning block (217).

8. The tower fan with the rear net and the detachable cleaning structure of the wind wheel according to claim 6, characterized in that: The outer surface of the bottom frame (72) is fixedly connected with two U-shaped blocks (219), and the two U-shaped blocks (219) are located at the top end sides of the two insertion grooves (21) respectively.

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