A dust extraction device

Abstract

The application discloses a dust suction device. The dust suction device comprises a holding part, a motor reversely arranged in the middle section of the inner wall of a ring-shaped main shell of the holding part, a first air duct between the motor and the main shell, one port of the main shell insertedly connected with the rear end of a suction part and another port connected with a rear end cover, one end of an air inlet filtering part connected with the rear end cover and another end opposite to the air inlet of the motor, the front end of the suction part insertedly connected with the rear end hole of a front cleaning part, a suction nozzle of the suction part located in the rear end hole, the front end of the front cleaning part provided with a dust suction port and the inside of the front cleaning part provided with an airflow channel, when the motor is started, the dust suction port, the airflow channel, the suction nozzle, the first air duct, the air inlet filtering part and the air inlet of the motor form a continuous airflow to perform a dust suction work. The application has the effect of the motor reversely arranged structure, the air inlet filtering part located at the rear end of the motor and the simple and convenient effect of cleaning and dismounting the air inlet filtering part.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of cleaning, in particular to a dust suction device. BACKGROUND

[0002] In the field of cleaning, dust suction devices are widely used in cleaning work. The existing dust suction device generally adopts a positive motor structure and is located at the end. The filter part is located between the motor and the air suction part. The defects are that the dust collector and the separator of the air suction part need to be removed before cleaning the filter each time, which is very cumbersome for the user and the user will come into contact with the dust in the dust collection bin, greatly reducing the user experience. SUMMARY

[0003] In order to solve one or more of the above problems, the present application provides a dust suction device.

[0004] According to one aspect of the present application, the dust suction device comprises a holding part, a motor is reversely arranged in the middle section of the inner wall of the circular main shell of the holding part, a first air duct is arranged between the motor and the main shell, one port of the main shell is connected to the rear end of the air suction part through a sleeve connection, and the other port is connected to the rear end cover. One end of the air inlet filter part is connected to the inside of the rear end cover, and the other end is opposite to the air inlet of the motor. The lower end of the main shell is integrally connected to the handle.

[0005] The front end of the air suction part is connected to the rear end hole of the front cleaning part through a sleeve connection, and the suction nozzle of the air suction part is located in the rear end hole of the front cleaning part.

[0006] The front end of the front cleaning part is provided with a dust suction port and an airflow passage inside, and the two ends of the suction nozzle are connected to the airflow passage and the first air duct, respectively. When the motor is started, the dust suction port, the airflow passage, the suction nozzle, the first air duct, the air inlet filter part, and the air inlet of the motor form a continuous airflow, thereby performing dust suction work.

[0007] In some embodiments, the air suction part is provided with a plurality of circumferentially arrayed suction nozzles, the center line of the suction nozzle is a transverse center line, the diameter of the circular port at the front end of the suction nozzle 30 is smaller than that at the rear end, and the cross section of the middle section of the suction nozzle 30 is a horn port with gradually increasing diameter.

[0008] In some embodiments, the handle is integrally connected to the lower end of the main shell at a position behind the middle, and the included angle between the handle and the main shell is 60°-85°.

[0009] In some embodiments, the upper end and the lower end of the handle are also connected to a C-shaped reinforcing support, and a rectangular through-hole-shaped holding hole is formed between the reinforcing support and the handle.

[0010] Or a cover plate is arranged at the reinforcing support.

[0011] Or the upper end of the reinforcing support and the rear end of the outer wall of the closed shell of the front cleaning part are detachably connected through a sliding groove structure.

[0012] In some embodiments, the power supply is installed in the inner cavity of the handle or the inner cavity of the lower connecting arm of the reinforcing support, and the connecting wire of the power supply passes through the upper opening of the inner cavity of the handle to connect the motor.

[0013] In some embodiments, the inner cavity of the handle also accommodates an electric control element, and a control switch is arranged on the outer wall of the main shell and electrically connected to the electric control element.

[0014] In some embodiments, the main shell is also provided with an exhaust hole opposite to the exhaust port of the motor.

[0015] In some embodiments, the front cleaning part is provided with a dust flow ring with a blind hole structure at the front end and a closed shell at the rear end, the filter front end sleeve covers the rear end of the dust flow ring, the filter rear end is connected to the closed shell, the dust flow ring and the closed shell are connected through the annular filter, and the filter, the closed shell, the dust flow ring and the main barrel of the front cleaning part form a dust storage cavity.

[0016] The front end of the dust flow ring is connected to the dust suction port, and the rear end is provided with an air guide port, the air guide port penetrates through the filter to the dust storage cavity, and the dust suction port, the air guide port, the dust storage cavity, the filter and the inner cavity of the closed shell form an air flow channel.

[0017] In some embodiments, the inner side of the rear end cover is provided with a positioning ring groove, one port of the main shell is provided with an annular fixing groove, and the air inlet filter part is a cylindrical hepa, and the two ends of the air inlet filter part are respectively inserted into the positioning ring groove and the fixing groove.

[0018] In some embodiments, the rear end of the main shell is provided with a circular ring groove, and an elastic rubber ring is placed in the circular ring groove, the rear end cover is an open structure, and the circumferential wall of the rear end cover is inserted into the outside of the circular ring groove.

[0019] The device adopts a motor upside-down structure, and the two ends of the motor are respectively an air suction part and an air inlet filter part. The air inlet filter part is located at the rear end of the motor. When the air inlet filter part is cleaned, only the rear end cover needs to be opened, and the air inlet filter part can be directly removed. Its beneficial effects are: first, the structure is simple, the air inlet filter part is easy to clean, disassemble and replace, the operation steps are few, the user is convenient to operate, and the dust in the dust collecting bin will not be contacted by the user, so that the user experience is significantly improved; second, the handle and the main shell of the holding structure are integrally connected, the strength is high, the service life is long, the connection structure between the handle and the main shell is avoided from being worn after long-term use, and firm connection is difficult, so that the equipment cannot be fixed, the use shakes, and the dust collection effect is affected. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic view of a dust collection device according to an embodiment of the present application.

[0021] Figure 2 It is a three-dimensional schematic view of a dust collection device according to an embodiment of the present application.Figure 1 The diagram shows a cross-sectional view of a vacuuming device.

[0022] Figure 3 for Figure 2 The diagram shows the installation of the power supply.

[0023] Figure 4 for Figure 1 The diagram shows a top view of a vacuum cleaner device;

[0024] Figure 5 for Figure 4 The diagram shows a cross-sectional view of a vacuuming device.

[0025] Figure 6 for Figure 1 The diagram shows an explosion of a vacuum cleaner device;

[0026] Grip 1, main shell 10, handle 11, first air passage 12, reinforcing support 13, lower connecting arm 131, control switch 14, exhaust port 15, annular groove 16;

[0027] 2. Motor; 3. Suction section; 30. Suction nozzle; 4. Air inlet filter; 5. Rear end cover; 51. Positioning ring groove;

[0028] Front cleaning section 6, airflow channel 60, suction port 61, dust flow ring 62, sealed shell 63, filter 64, air duct 65, dust collection chamber 66; power supply 7; elastic rubber ring 8. Detailed Implementation

[0029] The invention will now be described in further detail with reference to the accompanying drawings. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, while the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0030] Figures 1 to 6 A vacuum cleaner according to an embodiment of the present invention is schematically shown. As shown, the device includes a grip 1, a motor 2 mounted upside down in the middle of the inner wall of the annular main shell 10 of the grip 1, a first air passage 12 between the motor 2 and the main shell 10, one port of the main shell 10 being inserted and connected to the rear end of the suction part 3 and the other port being connected to the rear end cover 5, one end of the air inlet filter 4 being connected to the inside of the rear end cover 5 and the other end being directly opposite the air inlet of the motor 2, and a handle 11 integrally connected to the lower end of the main shell 10;

[0031] The front end of the suction unit 3 is connected to the rear end hole of the front cleaning unit 6, and the nozzle 30 of the suction unit 3 is located inside the rear end hole of the front cleaning unit 6.

[0032] The front end of the front cleaning part 6 is provided with a dust suction port 61 and is internally provided with an airflow channel 60, and the two ends of the suction nozzle 30 are respectively connected with the airflow channel 60 of the front cleaning part 6 and the first air duct 12; when the motor 2 is started, the dust suction port 61, the airflow channel 60, the suction nozzle 30, the first air duct 12, the air inlet filtering part 4 and the air inlet of the motor 2 form a continuous airflow, so as to perform the dust suction work.

[0033] The device adopts a motor 2 upside-down structure, and the two ends of the motor 2 are respectively provided with the air suction part 3 and the air inlet filtering part 4. The air inlet filtering part 4 is located at the rear end of the motor 2. When the air inlet filtering part 4 is replaced, the air inlet filtering part 4 only needs to be cleaned by opening the rear end cover 5, and then the air inlet filtering part 4 can be directly removed. The beneficial effects are as follows: first, the structure is simple, the air inlet filtering part 4 is easy to clean, disassemble and replace, the operation steps are few, the user is convenient to operate, and the dust suction device does not need to be disassembled, so that the user will not touch the dust in the dust collection bin, and the user experience is significantly improved; second, the handle 11 of the holding structure is integrally connected with the main shell 10, the strength is high, the service life is long, the connection structure between the handle 11 and the main shell 10 is avoided from being worn out after long-term use, and the handle 11 and the main shell 10 are difficult to be firmly connected, so that the equipment cannot be fixed and shakes during use, thereby affecting the dust suction effect.

[0034] Preferably, the air suction part 3 is provided with a plurality of circumferentially arrayed suction nozzles 30, the center line of the suction nozzle 30 is a transverse center line, the diameter of the circular port at the front end of the suction nozzle 30 is smaller than that at the rear end, and the cross section of the middle section of the suction nozzle 30 is a horn port with gradually increasing diameter. The beneficial effects are as follows: the air flow distribution of the air suction part 3 with the structure is uniform, and the suction nozzle 30 with the horn port structure can form a larger dust suction wind speed, thereby reducing the air volume requirement of the motor 2.

[0035] Preferably, the handle 11 is integrally connected to the middle rear position of the lower end of the main shell 10, and the included angle between the handle 11 and the main shell 10 is 60°-85°.

[0036] Preferably, the upper end and the lower end of the handle 11 are further connected to a C-shaped reinforcing support 13, and the reinforcing support 13 and the handle 11 form a rectangular holding hole. The beneficial effects are as follows: the reinforcing support 13 can significantly improve the strength of the holding part 1, ensure that there is no shaking phenomenon during dust suction, form a good dust suction effect, and the holding hole enables the hand to be placed in a relatively fixed position, thereby having a good guiding effect on the user.

[0037] Preferably, the reinforcing support 13 is provided with a shielding cover plate.

[0038] Preferably, the upper end of the reinforcing support 13 and the rear end of the outer wall of the closed shell 63 of the front cleaning part 6 are detachably connected through a sliding groove structure. The beneficial effects are as follows: the structure enables the front cleaning part 6 to be conveniently disassembled and positioned, and has high installation accuracy.

[0039] Preferably, the power supply 7 is installed in the inner cavity of the handle 11 or the inner cavity of the lower connecting arm 131 of the reinforcing support 13, and the connecting wire of the power supply 7 passes through the upper opening of the inner cavity of the handle 11 to connect the motor 2. The beneficial effect is that the handle 11 of the structure can accommodate and fix the power supply 7 and the electric control element, thereby reducing the size of the equipment.

[0040] Preferably, the inner cavity of the handle 11 also accommodates the electric control element, and the outer wall of the main shell 10 is provided with a control switch 14 electrically connected to the electric control element. The control switch 14 at this position is convenient to open and operate.

[0041] Preferably, the main shell 10 is also provided with an exhaust hole 15 opposite to the exhaust port of the motor 2. The beneficial effect is that the exhaust hole 15 can form a good circulation of air with the motor 2, and the structure is simple and the flow effect is good.

[0042] Preferably, the front end of the front cleaning part 6 is provided with a dust flow ring 62 of blind hole structure, and the rear end is provided with a closed shell 63. The front end of the filter 64 is sleeved with the dust flow ring 62 at the rear end, the rear end of the filter 64 is connected to the closed shell 63, the dust flow ring 62 and the closed shell 63 are connected through the annular filter 64, and the filter 64, the closed shell 63, the dust flow ring 62 and the main cylinder of the front cleaning part 6 form a dust storage cavity 66.

[0043] The front end of the dust flow ring 62 is connected to the dust suction port 61, and the rear end is provided with a wind guide port 65. The wind guide port 65 penetrates through the filter 64 to the dust storage cavity 66. The dust suction port 61, the wind guide port 65, the dust storage cavity 66, the filter 64 and the inner cavity of the closed shell 63 form an air flow channel 60. The beneficial effect is that the front cleaning part 6 of the structure can have good cleaning and dust removal effect.

[0044] Preferably, the inner side of the rear end cover 5 is provided with a positioning ring groove 51, one port of the main shell 10 is provided with an annular fixing groove, and the air inlet filter part 4 is a cylindrical hepa. The air inlet filter part 4 is respectively inserted into the positioning ring groove 51 and the fixing groove. The beneficial effect is that the positioning ring groove 51 and the fixing groove can well position the air inlet filter part 4, so that the air inlet filter part 4 has high installation and positioning precision, is easy to disassemble and assemble by the user, has good operability, and has good universal applicability.

[0045] Preferably, the rear end of the main shell 10 is provided with a circular ring groove 16, and the elastic rubber ring 8 is placed in the circular ring groove 16.

[0046] The rear end cover 5 is an open structure, and the circumferential wall of the rear end cover 5 is inserted into the outer side of the circular ring groove 16. The beneficial effect is that the circular ring groove 16 can well position the elastic rubber ring 8, and the elastic rubber ring 8 has good sealing performance, which can prevent air leakage or air escape, ensure stable dust removal air volume, and prevent external fluid interference.

[0047] The above merely describes some embodiments of the present application. For those skilled in the art, without departing from the concept of the present application, several modifications and improvements can be made, which are within the protection scope of the present application.

Claims

1. A dust extraction device, characterized in that, The utility model provides a kind of dust collector, including holding part (1), motor (2) is reversely arranged in the inner wall middle section of circular ring main shell (10) of the holding part (1), the motor (2) and the first air passage (12) between the main shell (10), one port of the main shell (10) is inserted sleeve connection suction part (3) rear end and another port is connected rear end cover (5), air inlet filter part (4) one end is connected inside the rear end cover (5) and the other end is opposite the air inlet of the motor (2), the lower end of the main shell (10) is integrally connected handle (11); The front end of the suction part (3) is inserted sleeve connection rear end hole of front cleaning part (6), and the suction nozzle (30) of the suction part (3) is located in the rear end hole of the front cleaning part (6). The front end of the front cleaning part (6) is provided with a dust suction port (61) and an airflow passage (60) inside, and the two ends of the suction nozzle (30) are respectively connected with the airflow passage (60) and the first air passage (12). When the motor (2) is started, the dust suction port (61), the airflow passage (60), the suction nozzle (30), the first air passage (12), the air inlet filter part (4), and the air inlet of the motor (2) form a continuous airflow, thereby performing dust collection work. The front end of the front cleaning part (6) is provided with a dust flow ring (62) of blind hole structure, and the rear end is provided with a closed shell (63). The front end of the filter (64) is sleeve covered with the rear end of the dust flow ring (62). The rear end of the filter (64) is connected with the closed shell (63). The dust flow ring (62) and the closed shell (63) are connected through the annular filter (64). The filter (64), the closed shell (63), the dust flow ring (62), and the main cylinder of the front cleaning part (6) form a dust storage cavity (66). The front end of the dust flow ring (62) is connected with the dust suction port (61), and the rear end is provided with a wind guide port (65). The wind guide port (65) penetrates through the filter (64) to the dust storage cavity (66). The dust suction port (61), the wind guide port (65), the dust storage cavity (66), the filter (64), and the inner cavity of the closed shell (63) form the airflow passage (60). The inner side of the rear end cover (5) is provided with a positioning ring groove (51), and one port of the main shell (10) is provided with an annular fixing groove. The air inlet filter part (4) is a cylindrical structure of Hepa. The two ends of the air inlet filter part (4) are respectively inserted into the positioning ring groove (51) and the fixing groove.

2. A dust extraction device according to claim 1, wherein, The suction part (3) is provided with a plurality of circumferentially arrayed suction nozzles (30). The center line of the suction nozzle (30) is a transverse center line. The diameter of the circular port at the front end of the suction nozzle (30) is smaller than that at the rear end. The cross section of the middle section of the suction nozzle (30) is a horn port with gradually increasing diameter.

3. A dust extraction device according to claim 1, wherein The handle (11) is integrally connected to the lower end of the main shell (10) at a rear position. The included angle between the handle (11) and the main shell (10) is 60°-85°.

4. A dust extraction device according to claim 1, wherein The upper end and the lower end of the handle (11) are also connected with a C-shaped reinforcing support (13), and a rectangular through-hole-shaped holding hole is formed between the reinforcing support (13) and the handle (11); Or a shielding cover plate is arranged at the reinforcing support (13); Or the upper end of the reinforcing support (13) and the rear end of the outer wall of the closed shell (63) of the front cleaning part (6) are detachably connected through a sliding groove structure.

5. A dust extraction device according to claim 4, wherein A power supply (7) is arranged in the inner cavity of the handle (11) or the inner cavity of the lower connecting arm (131) of the reinforcing support (13), and the connecting wire of the power supply (7) passes through the upper opening of the inner cavity of the handle (11) to connect the motor (2).

6. A dust extraction device according to claim 5, wherein An electric control element is also arranged in the inner cavity of the handle (11), and a control switch (14) is arranged on the outer wall of the main shell (10) and electrically connected with the electric control element.

7. A dust extraction device according to claim 1, wherein An exhaust hole (15) is also arranged on the main shell (10) and opposite to the exhaust port of the motor (2).

8. A dust extraction device according to claim 1, wherein A circular groove (16) is arranged at the rear end of the main shell (10), and an elastic rubber ring (8) is arranged in the circular groove (16), The rear end cover (5) is in an open structure, and the circumferential wall of the rear end cover (5) is inserted outside the circular groove (16).

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