Electric dust collection device

Abstract

The utility model discloses an electric dust collection device, and aims to provide an electric dust collection device beneficial to improving the filtering effect, which comprises a casing, a dust cup and a motor are arranged on the casing, the dust cup is positioned on the side surface of the motor, the dust cup is detachably connected with the outside of the casing, a cyclone filtering structure is arranged in the dust cup, and a motor cover is detachably connected in the casing. The motor is detachably connected with the interior of the motor cover, an air inlet pipe communicated with the interior of the dust cup is arranged at the front end of the machine shell, an air outlet grid communicated with the motor cover is arranged at the rear end of the machine shell, an air outlet HEPA is detachably connected to the air outlet grid, and the air outlet HEPA is located in the machine shell and located on the rear side of the motor cover. The front side of the motor cover is detachably connected with an air inlet HEPA, and the motor cover is communicated with the interior of the dust cup through the air inlet HEPA. The filtering device has the advantages that the filtering effect is improved, and meanwhile the motor is well protected.

Description

Technical Field

[0001] The utility model relates to the technical field related to dust collecting devices, in particular to an electric dust collecting device. Background Art

[0002] As we all know, vacuum cleaners have grown into one of the main cleaning products in China, usually including horizontal vacuum cleaners, upright vacuum cleaners, and handheld vacuum cleaners to adapt to different scenarios, while horizontal vacuum cleaners include dust bag horizontal vacuum cleaners and dust cup horizontal vacuum cleaners, which include a body, a dust bag or dust cup for collecting dust, a motor for providing vacuum, a power cord for providing power to the vacuum source, and a cord reel that provides storage space for the power cord.

[0003] Most vacuum cleaners in the prior art have a filtering structure in the dust cup to achieve gas-dust separation, and finally the gas is discharged to the outside through the negative pressure of the motor after passing through a HEPA filter. For environments with large amounts of dust or long-term use, the filtering effect is poor and there is room for improvement. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of the prior art dust suction device with poor filtering effect and provides an electric dust suction device which is beneficial to improving the filtering effect.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An electric dust suction device comprises a casing, wherein a dust cup and a motor are provided on the casing, the dust cup is located on the side of the motor, the dust cup is detachably connected to the outside of the casing, a cyclone filtering structure is provided in the dust cup, a motor cover is detachably connected to the casing, the motor is detachably connected to the inside of the motor cover, an air inlet pipe connected to the inside of the dust cup is provided at the front end of the casing, an air outlet grille connected to the motor cover is provided at the rear end of the casing, an air outlet sea hand is detachably connected to the air outlet grille, the air outlet sea hand is located in the casing and at the rear side of the motor cover, an air inlet sea hand is detachably connected to the front side of the motor cover, and the motor cover is connected to the inside of the dust cup through the air inlet sea hand. Under the negative pressure of the motor, external air enters the dust cup through the air inlet pipe, and is filtered through the cyclone filter structure to achieve gas-dust separation. The separated gas first passes through the air inlet HEPA filter and then enters the motor cover, and then is discharged outward from the air outlet grille through the air outlet HEPA. The separated gas passes through two HEPA filters before being discharged into the air, which achieves the purpose of improving the filtering effect and at the same time provides better protection for the motor.

[0007] Preferably, a power switch and a speed knob corresponding to the motor are provided on the top of the housing, the power switch is located on the side of the speed knob, and the power switch and the speed knob are both electrically connected to the motor. The power switch is used to control the opening and closing of the device, and the speed knob is used to adjust the speed of the motor, thereby facilitating the adjustment of the suction force of the device, facilitating flexible use in different vacuuming environments, and improving practicality.

[0008] Preferably, the side of the motor cover is rotatably connected to a cord reel, a power cord electrically connected to the power switch is wound on the cord reel, a cord outlet matching the power cord is provided at the rear end of the housing, a cord reel button matching the cord reel is provided on the top of the housing, and the cord reel buttons are respectively located on the sides of the power switch and the speed knob. In the initial state, the power cord is stored in the housing through the cord reel, so as to avoid the power cord being exposed and placed in a mess, and to improve safety; when it is needed to be used, the user can pull the power cord outward to the required length through the socket head, and when the cord needs to be reeled in after use, press the cord reel button, and the cord reel rotates to automatically retract the power cord, which is simple, convenient and quick to operate.

[0009] Preferably, a U-shaped handle is provided on the top of the housing, the two sides of the open end of the handle are fixedly connected to the left and right sides of the housing respectively, and the bottom of the handle is suspended on the top of the housing. The handle is convenient and quick to take the device.

[0010] Preferably, a mounting groove matching the dust cup is provided on the top of the housing, the dust cup is detachably connected to the housing through the mounting groove, the air inlet HEPA is detachably connected to one side of the mounting groove, and the air inlet pipe is located at the other side corresponding to the mounting groove and at the bottom of the dust cup. The dust cup is embedded in the mounting groove of the housing, which is conducive to reducing the volume and improving the stability and firmness of the dust cup and housing mounting mechanism.

[0011] Preferably, a dust collecting chamber and a cyclone chamber are provided in the dust cup, the air inlet pipe is connected with the interior of the cyclone chamber, the cyclone chamber is located in the dust collecting chamber, the cyclone filtering structure includes a cyclone cone, the cyclone cone is located in the cyclone chamber and connected to the bottom of the cyclone chamber, the bottom of the cyclone cone is connected with the interior of the motor cover through an air inlet seapa, the top shape of the cyclone cone is conical and its side wall is provided with a plurality of S-shaped air inlets, and the plurality of air inlets are evenly distributed along the circumference of the spiral cone, the top side wall of the cyclone chamber is provided with a connecting port connected with the dust collecting chamber, and the dust cup is provided with a cup cover which covers the top of the dust collecting chamber and the top of the cyclone chamber respectively, and the cup cover is detachably connected to the dust cup. The dust-laden gas entering from the air inlet pipe enters the cyclone chamber from the bottom of the dust cup. The airflow in the cyclone chamber spirals upward along the cyclone cone, throwing the dust into the dust collecting chamber through the connecting port. The separated airflow enters the cyclone cone through the air inlet and flows downward, and is finally discharged from the air outlet grille after being filtered by the air inlet HEPA and the air outlet HEPA. After multiple filtrations, the separation effect of gas and dust is improved, thereby improving the filtering effect.

[0012] Preferably, the left and right sides of the rear end of the housing are provided with rotating wheels, the rotating wheels are rotatably connected to the housing and are located at the bottom of the housing, and the front and rear ends of the bottom of the housing are provided with rollers, the rollers are rotatably connected to the housing. The rotating wheels and rollers facilitate the movement of the device, which is convenient and quick.

[0013] The beneficial effects of the utility model are: it is conducive to improving the filtering effect, and at the same time it has a better protective effect on the motor; it is conducive to adjusting the suction force of the device, which is convenient for flexible use in different dust collection environments and improves practicality; it avoids the exposure and messy placement of power cords and is conducive to improving safety; the operation is simple, convenient and fast; it is conducive to reducing the volume and improving the stability and firmness of the dust cup and the casing installation mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a rear side view of the utility model;

[0016] Figure 3 It is an exploded view of the utility model;

[0017] Figure 4 It is a schematic diagram of the structure of the cyclone cone.

[0018] In the figure: 1. Casing, 2. Dust cup, 3. Motor, 4. Motor cover, 5. Air inlet duct, 6. Air outlet grille, 7. Air outlet HEPA, 8. Air inlet HEPA, 9. Power switch, 10. Speed ​​knob, 11. Cord reel, 12. Cable outlet hole, 13. Cable reel button, 14. Handle, 15. Mounting slot, 16. Dust collection chamber, 17. Cyclone chamber, 18. Cyclone cone, 19. Air inlet, 20. Connecting port, 21. Cup cover, 22. Rotor, 23. Roller. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0020] like Figure 1 , Figure 2 and Figure 3 In the described embodiment, an electric dust suction device includes a casing 1, a dust cup 2 and a motor 3 are provided on the casing 1, the dust cup 2 is located on the side of the motor 3, the dust cup 2 is detachably connected to the outside of the casing 1, a cyclone filtering structure is provided in the dust cup 2, a motor cover 4 is detachably connected to the casing 1, the motor 3 is detachably connected to the inside of the motor cover 4, an air inlet pipe 5 connected to the inside of the dust cup 2 is provided at the front end of the casing 1, an air outlet grille 6 connected to the motor cover 4 is provided at the rear end of the casing 1, an air outlet sea hand 7 is detachably connected to the air outlet grille 6, the air outlet sea hand 7 is located in the casing 1 and at the rear side of the motor cover 4, an air inlet sea hand 8 is detachably connected to the front side of the motor cover 4, and the motor cover 4 is connected to the inside of the dust cup 2 through the air inlet sea hand 8.

[0021] A power switch 9 and a speed regulating knob 10 corresponding to the motor 3 are provided on the top of the housing 1 . The power switch 9 is located on the side of the speed regulating knob 10 . Both the power switch 9 and the speed regulating knob 10 are electrically connected to the motor 3 .

[0022] A cord reel 11 is rotatably connected to the side of the motor cover 4, and a power cord electrically connected to the power switch 9 is wound on the cord reel 11. A wire outlet hole 12 matching the power cord is provided at the rear end of the casing 1, and a cord winding button 13 matching the cord reel 11 is provided on the top of the casing 1. The cord winding button 13 is respectively located on the sides of the power switch 9 and the speed control knob 10.

[0023] A U-shaped handle 14 is provided on the top of the housing 1 , and both sides of the open end of the handle 14 are fixedly connected to the left and right sides of the housing 1 respectively, and the bottom of the handle 14 is suspended on the top of the housing 1 .

[0024] A mounting groove 15 matching the dust cup 2 is provided on the top of the casing 1. The dust cup 2 is detachably connected to the casing 1 via the mounting groove 15. The air inlet connector 8 is detachably connected to one side of the mounting groove 15. The air inlet pipe 5 is located on the other side corresponding to the mounting groove 15 and at the bottom of the dust cup 2.

[0025] like Figure 3 and Figure 4 As shown, a dust collecting chamber 16 and a cyclone chamber 17 are provided in the dust cup 2, the air inlet pipe 5 is connected with the interior of the cyclone chamber 17, the cyclone chamber 17 is located in the dust collecting chamber 16, and the cyclone filtering structure includes a cyclone cone 18, the cyclone cone 18 is located in the cyclone chamber 17 and is connected to the bottom of the cyclone chamber 17, the bottom of the cyclone cone 18 is connected with the interior of the motor cover 4 through the air inlet sea pad 8, the top shape of the cyclone cone 18 is conical and its side wall is provided with a plurality of S-shaped air inlets 19, and the plurality of air inlets 19 are evenly distributed along the circumference of the spiral cone, the top side wall of the cyclone chamber 17 is provided with a connecting port 20 connected with the dust collecting chamber 16, and the dust cup 2 is provided with a cup cover 21 which covers the top of the dust collecting chamber 16 and the top of the cyclone chamber 17 respectively, and the cup cover 21 is detachably connected to the dust cup 2.

[0026] like Figure 1 , Figure 2 and Figure 3 As shown, rotating wheels 22 are provided on both sides of the rear end of the casing 1, the rotating wheels 22 are rotatably connected to the casing 1 and are located at the bottom of the casing 1, and rollers 23 are provided at both ends of the bottom of the casing 1, and the rollers 23 are rotatably connected to the casing 1.

[0027] In the initial state, the power cord is stored in the casing 1 through the cord reel 11, which prevents the power cord from being exposed and placed in a messy manner, and is beneficial to improving safety; when it is needed, the user can pull the power cord outward to the required length through the socket head. When the cord needs to be reeled in after use, press the reel button 13, and the cord reel 11 rotates to automatically retract the power cord. The operation is simple, convenient and fast.

[0028] During operation, turn on the power switch 9 and the motor 3 starts working; the external dust-containing gas enters the cyclone chamber 17 from the bottom of the dust cup 2 through the air inlet pipe 5 under the negative pressure of the motor 3, and the airflow in the cyclone chamber 17 spirals upward along the cyclone cone 18, and throws the dust into the dust collecting chamber 16 through the connecting port 20. The separated airflow enters the cyclone cone 18 through the air inlet 19 and flows downward, and is finally discharged from the air outlet grille 6 after being filtered by the air inlet HEPA 8 and the air outlet HEPA 7, so that the separated gas is filtered twice by HEPA before being discharged into the air, thereby achieving the purpose of improving the filtering effect and at the same time providing better protection for the motor 3.

[0029] During the above working process, the operator can adjust the speed of the motor 3 through the speed control knob 10, so as to facilitate the adjustment of the suction force of the device, facilitate flexible use in different dust collection environments, and improve practicality.

Claims

1. An electric dust collecting device, characterized in that: The invention comprises a casing (1), wherein a dust cup (2) and a motor (3) are provided on the casing (1), wherein the dust cup (2) is located on the side of the motor (3), wherein the dust cup (2) is detachably connected to the outside of the casing (1), wherein a cyclone filtering structure is provided in the dust cup (2), wherein a motor cover (4) is detachably connected to the inside of the casing (1), wherein the motor (3) is detachably connected to the inside of the motor cover (4), wherein an air inlet pipe (5) connected to the inside of the dust cup (2) is provided at the front end of the casing (1), wherein an air outlet grille (6) connected to the motor cover (4) is provided at the rear end of the casing (1), wherein an air outlet sea hand (7) is detachably connected to the air outlet sea hand (7), wherein the air outlet sea hand (7) is located in the casing (1) and at the rear side of the motor cover (4), wherein an air inlet sea hand (8) is detachably connected to the front side of the motor cover (4), wherein the motor cover (4) is connected to the inside of the dust cup (2) via the air inlet sea hand (8).

2. An electric dust collector according to claim 1, characterized in that: A power switch (9) and a speed regulating knob (10) corresponding to the motor (3) are provided on the top of the housing (1); the power switch (9) is located on the side of the speed regulating knob (10); and both the power switch (9) and the speed regulating knob (10) are electrically connected to the motor (3).

3. An electric dust collector according to claim 2, characterized in that: A cord reel (11) is rotatably connected to the side of the motor cover (4), a power cord electrically connected to the power switch (9) is wound around the cord reel (11), a wire outlet hole (12) matching the power cord is provided at the rear end of the housing (1), a cord reel button (13) matching the cord reel (11) is provided at the top of the housing (1), and the cord reel button (13) is located on the sides of the power switch (9) and the speed control knob (10), respectively.

4. An electric dust collector according to claim 1, 2 or 3, characterized in that: A U-shaped handle (14) is provided on the top of the casing (1), and two sides of the open end of the handle (14) are respectively fixedly connected to the left and right sides of the casing (1), and the bottom of the handle (14) is suspended on the top of the casing (1).

5. An electric dust collector according to claim 1, 2 or 3, characterized in that: A mounting groove (15) matching the dust cup (2) is provided on the top of the housing (1); the dust cup (2) is detachably connected to the housing (1) via the mounting groove (15); the air inlet hepa (8) is detachably connected to one side of the mounting groove (15); and the air inlet pipe (5) is located on the other side corresponding to the mounting groove (15) and at the bottom of the dust cup (2).

6. An electric dust collector according to claim 1, 2 or 3, characterized in that: The dust cup (2) is provided with a dust collecting chamber (16) and a cyclone chamber (17); the air inlet pipe (5) is connected to the interior of the cyclone chamber (17); the cyclone chamber (17) is located in the dust collecting chamber (16); the cyclone filtering structure comprises a cyclone cone (18); the cyclone cone (18) is located in the cyclone chamber (17) and is connected to the bottom of the cyclone chamber (17); the bottom of the cyclone cone (18) is connected to the interior of the motor cover (4) via an air inlet hepa (8); The top of the cyclone cone (18) is conical and its side wall is provided with a plurality of S-shaped air inlets (19), the plurality of air inlets (19) being evenly distributed along the circumference of the spiral cone, the top side wall of the cyclone chamber (17) is provided with a connecting port (20) connected to the dust collecting chamber (16), the dust cup (2) is provided with a cup cover (21) covering the top of the dust collecting chamber (16) and the top of the cyclone chamber (17), respectively, and the cup cover (21) is detachably connected to the dust cup (2).

7. An electric dust collector according to claim 1, 2 or 3, characterized in that: Rotating wheels (22) are provided on both left and right sides of the rear end of the casing (1); the rotating wheels (22) are rotatably connected to the casing (1) and are located at the bottom of the casing (1); rollers (23) are provided at both front and rear ends of the bottom of the casing (1); the rollers (23) are rotatably connected to the casing (1).

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