Backpack dust collector

Abstract

The utility model discloses a backpack dust collector which comprises a shell, straps are arranged on the shell, a closed shell is arranged in the shell, an exhaust fan is arranged in the closed shell, vertical flat plates are arranged on the left side and the right side of the exhaust fan respectively, a set of damper springs are arranged between the two vertical flat plates and the two side walls of the closed shell, and an air outlet pipe is arranged at the top end of the closed shell. An air inlet pipe is arranged at the bottom end of the closed shell, a filter screen cover is arranged at the bottom end of the air inlet pipe, a rubber ring is arranged on the closed shell, and a collecting box is arranged on the rubber ring; an air suction telescopic hose is arranged on the shell, an air suction cover is arranged on the air suction telescopic hose, an exhaust port is formed in the shell, a rechargeable lithium battery is arranged in the shell, a charging plug and an on-off switch are arranged on the shell, and the on-off switch is connected with the rechargeable lithium battery, the charging plug and the exhaust fan through lines. The dust collector is small and exquisite, convenient to carry, small in vibration, low in noise, capable of facilitating cross-regional dust collection operation in a narrow space and worthy of application and popularization.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum cleaners, in particular to a backpack vacuum cleaner. Background Art

[0002] Vacuum cleaners can be categorized by structure as vertical, horizontal, and portable. The working principle of a vacuum cleaner is that an electric motor drives the blades to rotate at high speed, creating negative air pressure within a sealed housing to absorb dust. Traditional vacuum cleaners use a large cylinder dragged behind a vacuum hose. This not only takes up space but is also inconvenient to use, especially in large and confined spaces. Furthermore, traditional vacuum cleaners are noisy, making the vacuuming process very uncomfortable for the operator.

[0003] Chinese utility model patent CN 208388524 U discloses a novel vacuum cleaner comprising a cart frame, a vacuum cleaner body mounted on the cart frame, a suction pipe mounting frame mounted on one side of the vacuum cleaner body, a cylinder extending vertically through the suction pipe mounting frame, a first fixing frame connected to the first fixing frame, a first fixing plate mounted on the first fixing frame, a first handle connected to the first fixing plate, a second fixing frame mounted on the cart frame, a second fixing plate mounted on the second fixing frame, a first rotating shaft mounted on the second fixing plate, a handle connected to the first rotating shaft, a groove formed on one side of the handle, the groove formed on the second fixing plate, a third fixing frame mounted below the second fixing frame, the third fixing frame mounted on the cart frame, a third fixing plate mounted on the third fixing frame, a gas pressure rod mounted on the third fixing plate, the gas pressure rod connected to the first fixing plate, and the first fixing frame connected to the third fixing plate. This vacuum cleaner is bulky, noisy, and difficult to carry or use in confined spaces. Utility Model Content

[0004] The present invention aims to solve the above-mentioned shortcomings of the prior art and provide a backpack vacuum cleaner that can be easily carried on the back, has low noise, and is suitable for use in small spaces and across areas, meeting the needs of easy carrying, low noise, and convenient use.

[0005] The utility model solves the technical problem by adopting the following technical solution: this backpack vacuum cleaner comprises a shell, a shoulder strap is installed on the shell, a closed shell is fixed in the shell, an exhaust fan is arranged in the closed shell, vertical plates are respectively provided on the left and right sides of the exhaust fan, a top connecting plate is connected between the left vertical plate and the top end of the exhaust fan, a bottom connecting plate is connected between the right vertical plate and the bottom end of the exhaust fan, a group of vibration-damping springs are respectively installed between the two vertical plates and the two side walls of the closed shell, an air outlet pipe is fixed on the top end of the closed shell, an air inlet pipe is fixed on the bottom end of the closed shell, a first connecting hose is installed between the air outlet pipe and the air outlet end of the exhaust fan, and the air inlet pipe is connected to the inlet end of the exhaust fan. A second connecting hose is installed between the air ends, a filter screen cover is installed at the bottom end of the air inlet pipe, a rubber ring is fixed to the bottom end of the closed shell, a collection box is extruded and sleeved on the rubber ring, and the filter screen cover is located in the collection box; an air suction telescopic hose is installed on the shell, an air suction cover is fixed to the head end of the air suction telescopic hose, the air suction telescopic hose is connected to the bottom end of the collection box through a first connecting pipe, an exhaust port is provided on the shell, the air outlet pipe is connected to the exhaust port through a second connecting pipe, a rechargeable lithium battery is installed in the shell, a charging plug and an on-off switch are installed on the shell, the on-off switch is connected with the rechargeable lithium battery, the charging plug and the exhaust fan circuit; an opening and closing door opened on the shell is provided below the collection box. The collection box here is used to collect dust. When the vacuum cleaner finishes working, the collection box can be removed and the dust can be poured out. The exhaust fan here draws air, and the outside world sucks in the dust through the dust suction pipe and filters it through the filter cover. The dust is adsorbed on the filter cover, and the filtered air is discharged through the exhaust port. The role of the closed shell, vertical plate, top connecting plate, bottom connecting plate, and shock-absorbing spring here is to reduce vibration and noise. The role of the rechargeable lithium battery here is to provide a power source, which is convenient for carrying and cleaning. The suction telescopic hose and suction hood here can inconveniently vacuum the ground. The opening and closing switch here Its function is to turn the vacuum cleaner on and off; the function of the opening and closing door here is to facilitate the removal of the collection box to dump dust and garbage; the function of the charging plug here is to facilitate the charging of the rechargeable lithium battery; the function of the first connecting hose and the second connecting hose here is that the exhaust fan will vibrate when running at high speed, and the first connecting hose and the second connecting hose can absorb the vibration without transmitting the vibration and noise to the shell, thereby further playing a role in vibration reduction and noise reduction; the function of the rubber ring here is to facilitate the installation or removal of the collection box, and to close the top opening of the collection box to prevent dust from escaping when the vacuum cleaner is working.

[0006] To further improve the design, the outer contour of the shell is wrapped with a layer of sound insulation cotton. The function of the sound insulation cotton is to block noise, so that the backpack vacuum cleaner is quiet when working.

[0007] As a further improvement, a set of vibrators evenly distributed along the center of the intake pipe is fixed to the intake pipe. The function of the vibrators is to transmit vibrations through the intake pipe, thereby vibrating the filter screen. This can shake off dust on the filter screen when the vacuum cleaner is working or after it stops working, thus preventing the filter from being clogged by dust and greatly improving the filtration efficiency of the filter screen.

[0008] The beneficial effects of the utility model are:

[0009] 1). This utility model vacuum cleaner is convenient, compact, easy to carry and use;

[0010] 2). It can be used flexibly even in a small space and has high dust collection efficiency;

[0011] 3). The vacuum cleaner of this utility model has low noise and is more comfortable to clean;

[0012] 4) The filter cover can be vibrated at high frequency to shake off the dust on the filter cover. This not only improves the filtration efficiency of the filter cover and prevents clogging during vacuuming, but also facilitates the shaking off of the dust on the filter cover for collection and disposal after vacuuming. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The three-dimensional Figure 1 ;

[0014] Figure 2 The three-dimensional Figure 2 ;

[0015] Figure 3 It is a side view of the utility model;

[0016] Figure 4 This is a schematic structural diagram of the exhaust fan area of ​​the utility model;

[0017] Figure 5 for Figure 4 A partial enlarged view of area A in the middle;

[0018] Figure 6 for Figure 4 A partial enlarged view of area B in the middle.

[0019] Explanation of the reference numerals: shell 1, exhaust port 1-1, shoulder strap 2, closed shell 3, exhaust fan 4, vertical flat plate 5, top connecting plate 6, bottom connecting plate 7, shock-absorbing spring 8, air outlet pipe 9, air inlet pipe 10, first connecting hose 11, second connecting hose 12, filter screen 13, collecting box 14, air suction telescopic hose 15, air suction cover 15-1, rechargeable lithium battery 16, charging plug 17, sound insulation cotton 18, vibrator 19, first connecting pipe 20, second connecting pipe 21, rubber ring 22, soft sealing pad 23, opening and closing door 24, opening and closing switch 25. DETAILED DESCRIPTION

[0020] The present invention will be further described below with reference to the accompanying drawings:

[0021] Referring to the accompanying drawings: This backpack vacuum cleaner comprises a shell 1, a shoulder strap 2 is mounted on the shell 1, a closed shell 3 is fixed in the shell 1, an exhaust fan 4 is arranged in the closed shell 3, vertical plates 5 are respectively provided on the left and right sides of the exhaust fan 4, a top connecting plate 6 is connected between the left vertical plate 5 and the top of the exhaust fan 4, a bottom connecting plate 7 is connected between the right vertical plate 5 and the bottom end of the exhaust fan 4, a group of damping springs 8 are respectively installed between the two vertical plates 5 and the two side walls of the closed shell 3, an air outlet pipe 9 is fixed to the top of the closed shell 3, an air inlet pipe 10 is fixed to the bottom end of the closed shell 3, a first connecting hose 11 is installed between the air outlet pipe 9 and the air outlet end of the exhaust fan 4, a second connecting hose 12 is installed between the air inlet pipe 10 and the air inlet end of the exhaust fan 4, and the air inlet pipe 10 is provided with a plurality of springs. A filter screen cover 13 is installed at the bottom end, a rubber ring 22 is fixed at the bottom end of the closed shell 3, a collection box 14 is squeezed and sleeved on the rubber ring 22, and the filter screen cover 13 is located in the collection box 14; an air suction telescopic hose 15 is installed on the shell 1, and an air suction cover 15-1 is fixed to the head end of the air suction telescopic hose 15. The air suction telescopic hose 15 is connected to the bottom end of the collection box 14 through a first connecting pipe 20, and an exhaust port 1-1 is provided on the shell 1. The air outlet pipe 9 is connected to the exhaust port 1-1 through a second connecting pipe 21. A rechargeable lithium battery 16 is installed in the shell 1, and a charging plug 17 and an on-off switch 25 are installed on the shell 1. The on-off switch 25 is connected to the rechargeable lithium battery 16, the charging plug 17, and the exhaust fan 4 circuit; an opening and closing door 24 opened on the shell 1 is provided below the collection box 14.

[0022] The outer contour of the housing 1 is wrapped with a layer of sound insulation cotton 18 .

[0023] A group of vibrators 19 are fixed on the intake pipe 10 and are evenly distributed along the center of the intake pipe 10 . The vibrators 19 are connected to the rechargeable lithium battery 16 and the on / off switch 25 .

[0024] The working principle of the present invention is as follows: first, hold the suction hood 15-1 and pull the suction telescopic hose 15 to lengthen it, so as to facilitate use in a large area; then, turn on the on-off switch 25, thereby starting the exhaust fan 4 to draw a large amount of air, so that the inlet of the suction hood 15-1 has a strong suction force, thereby sucking in dust and particles, and entering the collection box 14, and then filtering through the filter screen 13, and then discharging the filtered air from the exhaust port 1-1; during the vacuum cleaner suction process, each compression spring 8 can dampen the vibration generated by the exhaust fan 10 during operation, thereby also reducing noise, and each vibrator 19 performs high-frequency vibration operation on the filter screen 13 through the vibration transmission of the air inlet pipe 10, thereby shaking off the dust attached to the filter screen 13 to avoid dust accumulation Too much dust will clog the filter cover 13, thereby affecting the filtration efficiency of the filter cover 13. After the vacuum cleaner stops working, the vibrators 19 are still started to shake the dust on the filter cover 13 and collect it. There is no need to manually disassemble the filter cover 13 for shaking, which greatly improves the filtration efficiency of the filter cover 13 and greatly facilitates the use of the vacuum cleaner. Finally, open the opening and closing door 24, remove the collection box 14 from the rubber ring 22 to pour out the dust, particles, and impurities, and then snap the collection box 14 back to the rubber ring 22 (at this time the soft sealing gasket 23 will also be stuck at the bottom end of the first connecting pipe 20), which is worthy of popularization and application. The role of the soft sealing gasket 23 here is not only to play a clamping and sealing role between the collection box 14 interface and the first connecting pipe 20.

[0025] While the present invention has been shown and described with reference to preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A backpack vacuum cleaner, comprising a housing (1), characterized in that: A shoulder strap (2) is mounted on the shell (1), a closed shell (3) is fixed in the shell (1), an exhaust fan (4) is mounted in the closed shell (3), vertical plates (5) are respectively mounted on the left and right sides of the exhaust fan (4), a top connecting plate (6) is connected between the left vertical plate (5) and the top of the exhaust fan (4), a bottom connecting plate (7) is connected between the right vertical plate (5) and the bottom of the exhaust fan (4), a set of damping springs (8) are respectively mounted between the two vertical plates (5) and the two side walls of the closed shell (3), the top of the closed shell (3) is connected to the bottom of the exhaust fan (4), and the bottom of the vertical plate (5) is connected to the bottom of the exhaust fan (4). An outlet pipe (9) is fixed to the end of the closed shell (3), an inlet pipe (10) is fixed to the bottom end of the closed shell (3), a first connecting hose (11) is installed between the outlet pipe (9) and the outlet end of the exhaust fan (4), a second connecting hose (12) is installed between the inlet pipe (10) and the inlet end of the exhaust fan (4), a filter screen cover (13) is installed at the bottom end of the inlet pipe (10), a rubber ring (22) is fixed to the bottom end of the closed shell (3), a collection box (14) is squeezed and sleeved on the rubber ring (22), and the filter screen cover (13) is located in the collection box (14); The housing (1) is provided with an air suction telescopic hose (15), a head end of the air suction telescopic hose (15) is fixed with an air suction hood (15-1), the air suction telescopic hose (15) is communicated with the bottom end of the collection box (14), an exhaust port (1-1) is provided on the housing (1), the exhaust pipe (9) is communicated with the exhaust port (1-1), a rechargeable lithium battery (16) is installed in the housing (1), a charging plug (17) and an on / off switch (25) are installed on the housing (1), and the on / off switch (25) is connected to the rechargeable lithium battery (16), the charging plug (17), and the exhaust fan (4) circuit.

2. A backpack vacuum cleaner according to claim 1, characterized in that: The outer contour of the housing (1) is wrapped with a layer of sound insulation cotton (18).

3. The backpack vacuum cleaner according to claim 1, wherein: A group of vibrators (19) evenly distributed along the center of the air intake pipe (10) is fixed to the air intake pipe (10).

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