Handheld Vacuum Cleaner

Abstract

The present invention provides a handheld vacuum cleaner, which relates to the technical field of vacuum cleaners and solves the technical problems of improper overall layout of handheld vacuum cleaners, laborious use by operators, and inconvenient operation. The handheld vacuum cleaner includes a gripping portion, a first connecting end and a second connecting end arranged at both ends of the gripping portion, an air chamber connected to the inner cavity of the second connecting end and located in front of the gripping portion, an air-dust separation component arranged in the second connecting end to separate and filter the inhaled air and dust, a power component arranged in the air chamber to form a negative pressure suction force in the second connecting end and extract the separated gas, an electric supply component arranged in the first connecting end to provide power to the power component; and also includes an air inlet arranged on the second connecting end and an air outlet arranged on the air chamber. The center of gravity of the handheld vacuum cleaner of the present invention is arranged near the gripping portion of the handle, and it has the characteristics of compact structure and light use.

Description

Technical Field

[0001] The present invention relates to the technical field of vacuum cleaners, and in particular to a handheld vacuum cleaner. Background Art

[0002] At present, vacuum cleaners have entered thousands of households as a household cleaning tool. Among them, cordless handheld vacuum cleaners are popular among the public because they have their own batteries, are compact, easy to carry and use, and are more suitable for cleaning smaller spaces. When using a handheld vacuum cleaner, the operator often needs to hold the handle to move or lift the entire machine.

[0003] The applicant has found that the prior art has at least the following technical problems:

[0004] Since handheld vacuum cleaners integrate components such as batteries, motors, and dust cups in the place where people operate manually, if the layout of the entire handheld vacuum cleaner is improper, it will cause the operator to use it with difficulty and inconvenience, and it will also affect the performance of the vacuum cleaner itself. Therefore, for handheld vacuum cleaners, the layout of the entire machine is very important. Summary of the invention

[0005] The object of the present invention is to provide a handheld vacuum cleaner to solve the technical problems in the prior art of improper overall layout of the handheld vacuum cleaner, laborious use by the operator and inconvenient operation.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] The present invention provides a handheld vacuum cleaner, comprising a gripping portion, a first connecting end and a second connecting end arranged at both ends of the gripping portion, an air-dust separation component arranged in the second connecting end for separating and filtering the inhaled air and dust, and an electric supply component arranged in the first connecting end for providing electric power to a power component.

[0008] As a further improvement of the present invention, it also includes an air chamber that is connected to the inner cavity of the second connecting end and is located in front of the gripping part. The power component is arranged in the air chamber to form negative pressure suction in the second connecting end and extract the separated gas. It also includes an air intake port arranged on the second connecting end and an air outlet arranged on the air chamber.

[0009] Through the above structural design, that is, the handle is connected to the first connection end and the second connection end at both ends of the gripping part, the second connection end is equipped with an air-dust separation component, and dirty air is separated from the air-dust separation component. The first connection end is equipped with an electric supply component, and the electric supply component supplies power to the power component during use. Since the power component is located in the front of the gripping part and a certain gap is maintained between the gripping part, the handheld vacuum cleaner according to this layout scheme has a compact structure, and the center of gravity will be close to the gripping part to reduce the torque acting on the wrist when it is held horizontally, so that the handheld vacuum cleaner provided by the present invention has the characteristics of compact structure and light use.

[0010] As a further improvement of the present invention, the gripping portion is arranged obliquely forward, with its upper end connected to the middle of the second connecting end and its lower end connected to the rear of the first connecting end. The gripping portion is a rectangular handle-shaped structure, and the width of the gripping portion is greater than the thickness.

[0011] As a further improvement of the present invention, the gripping portion has an inclination angle of 15 degrees. Of course, the gripping portion can also be set at other angles, as long as the gripping portion is convenient to grip when the handheld vacuum cleaner is used, and the structure of the handle can make the center of gravity of the handle close to the gripping portion.

[0012] As a further improvement of the present invention, the second connecting end is arranged obliquely downward, and an angle is formed between its axis and the axis of the first connecting end, and the angle is an acute angle. A triangle structure is formed between the first connecting end and its extension line, the second connecting end and its extension line, and the gripping portion.

[0013] As a further improvement of the present invention, the top of the air chamber is connected to the front of the second connection end, the bottom is located in front of the first connection end, and the air outlet is arranged along the circumference of the bottom of the air chamber. There is a gap between the air chamber and the gripping portion.

[0014] As a further improvement of the present invention, the second connecting end is a cylindrical structure, the first connecting end is a rectangular parallelepiped structure, and the width of the first connecting end is the same as or similar to the diameter of the second connecting end.

[0015] As a further improvement of the present invention, the air chamber is vertically arranged to the first connecting end, and the bottom end of the air chamber is flush with the lower surface of the first connecting end.

[0016] As a further improvement of the present invention, the bottom end of the air chamber has a tapered portion, and the air outlet holes are arranged along the circumference of the tapered portion. The air chamber is a cylindrical structure, the tapered portion includes a neck and a straight portion, the straight portion is connected to the bottom end of the air chamber through the neck, the neck is a bell-mouth shape, the straight portion is a cylinder, the bottom end of the tapered portion is a sealing structure, and the air outlet holes are arranged in an array along the entire circumference of the straight portion.

[0017] As a further improvement of the present invention, the power assembly includes a vacuum motor, which is mounted on the inner wall of the air chamber through a vibration isolator. The vibration isolator is a circular ring structure, and both the vibration isolator and the vacuum motor are implemented using products in the prior art.

[0018] As a further improvement of the present invention, the power supply assembly is a plurality of storage batteries arranged side by side, and the storage batteries are electrically connected to the vacuum motor.

[0019] As a further improvement of the present invention, the handheld vacuum cleaner further includes an exhaust assembly sleeved on the outside of the air outlet.

[0020] As a further improvement of the present invention, the exhaust assembly includes a cover-shaped exhaust hood, which is sleeved on the outside of the tapered portion, an exhaust port arranged on the front side wall of the exhaust hood, and an air guide plate arranged on the exhaust port, and the exhaust gas enters the exhaust hood after passing through the air outlet, and then flows out upward through the air guide plate.

[0021] As a further improvement of the present invention, the handheld vacuum cleaner further includes a long tube connected to the air intake port and a floor brush arranged at the end of the long tube.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] The handheld vacuum cleaner provided by the present invention has a gripping portion located between a first connection end and a second connection end, an air-dust separation assembly is arranged in the second connection end of the handle, and a battery assembly is arranged in the first connection end; the vacuum motor is located in the front part of the handle, and a certain gap is maintained between the vacuum motor and the gripping portion of the handle, and an air outlet is arranged on the front side; the center of gravity of the handheld vacuum cleaner according to this layout scheme is arranged near the gripping portion of the handle, and the vacuum cleaner has the characteristics of compact structure and light use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 is a front view of the handheld vacuum cleaner of the present invention;

[0026] Figure 2 is a schematic cross-sectional view of a handheld vacuum cleaner of the present invention;

[0027] Figure 3 It is a schematic diagram of the three-dimensional structure of the handheld vacuum cleaner of the present invention.

[0028] In the figure, 1, first connection end; 11, battery; 2, gripping part; 3, second connection end; 31, air-dust separation assembly; 32, base; 33, dust cup; 34, air inlet channel; 35, air outlet channel; 4, air intake port; 5, air chamber; 51, air outlet hole; 52, tapering part; 6, exhaust assembly; 61, exhaust port; 62, air guide plate; 7, vacuum motor; 71, vibration isolation part. DETAILED DESCRIPTION

[0029] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0030] like Figure 1 As shown, the present invention provides a handheld vacuum cleaner, including a gripping portion 2, a first connecting end 1 and a second connecting end 3 arranged at both ends of the gripping portion 2, an air chamber 5 connected to the inner cavity of the second connecting end 3 and located on the front side of the gripping portion 2, an air-dust separation component 31 is arranged in the second connecting end 3 to separate and filter the inhaled air and dust, a power component is arranged in the air chamber 5 to form a negative pressure suction force in the second connecting end 3 and extract the separated gas, and an electric supply component is arranged in the first connecting end 1 to provide power to the power component; it also includes an air intake port 4 arranged on the second connecting end 3 and an air outlet 51 arranged on the air chamber 5.

[0031] Through the above structural design, that is, by connecting the first connection end 1 and the second connection end 3 at both ends of the gripping part 2, the second connection end 3 accommodates the air-dust separation component 31, and the dirty air is separated from the air-dust separation component 31. The first connection end 1 accommodates the power supply component, and the power supply component supplies power to the power component during use. Since the power component is located in the front part of the gripping part 2 and a certain gap is maintained between the gripping part 2, the handheld vacuum cleaner according to the layout scheme has a compact structure, and the center of gravity will be close to the gripping part 2 to reduce the torque acting on the wrist when it is held horizontally, so that the handheld vacuum cleaner provided by the present invention has the characteristics of compact structure and light use.

[0032] As an optional embodiment, the gripping portion 2 is arranged obliquely forward, that is, tilted forward at a certain angle, with its upper end connected to the middle of the second connecting end 3 and its lower end connected to the rear of the first connecting end 1. The gripping portion 2 is a rectangular handle structure, and the width of the gripping portion 2 is greater than the thickness.

[0033] It should be noted that in the present invention, the grip portion 2 has an inclination angle of 15 degrees. Of course, the grip portion 2 can also be set to other angles, as long as the grip portion 2 is convenient to grip when the handheld vacuum cleaner is used, and the structure of the handle can make the center of gravity of the handle close to the grip portion 2.

[0034] As an optional implementation, Figure 2 As shown, the second connection end 3 is arranged obliquely downward, and an angle is formed between its axis and the axis of the first connection end 1, and the angle is an acute angle. Through the above structure, a triangle structure is formed between the first connection end 1 and its extension line, the second connection end 3 and its extension line, and the gripping portion 2.

[0035] As an optional embodiment, the top of the air chamber 5 is connected to the front of the second connection end 3, the bottom is located in front of the first connection end 1, the left end of the air chamber 5 is flush with the left end of the second connection part 3, the right end of the air chamber 5 is connected to the end of the first connection end 1 by screws, and the air outlet 51 is arranged along the circumference of the bottom of the air chamber 5. There is a gap between the air chamber 5 and the gripping part 2.

[0036] It should be noted that, in the present invention, the second connection end 3 is a cylindrical structure, the first connection end 1 is a rectangular structure, and the width of the first connection end 1 is the same as or similar to the diameter of the second connection end 3 , and the thickness of the first connection end 1 is slightly larger than the diameter of the battery 11 .

[0037] As an optional implementation, the air chamber 5 is vertically arranged to the first connecting end 1 , and the bottom end of the air chamber 5 is flush with the lower surface of the first connecting end 1 .

[0038] In order to gather the gas and make it look beautiful, the bottom of the air chamber 5 has a tapered portion 52, and the air outlet holes 51 are arranged circumferentially along the tapered portion 52. The air chamber 5 is a cylindrical structure, and the tapered portion 52 includes a neck and a straight portion, and the straight portion is connected to the bottom of the air chamber 5 through the neck, the neck is a bell-mouth shape, and the straight portion is a cylinder. The bottom end of the tapered portion 52 is a sealed structure, and the air outlet holes 51 are arranged in an array along the entire circumference of the straight portion.

[0039] As an optional embodiment, the power assembly includes a vacuum motor 7, which is mounted on the inner wall of the air chamber 5 through a vibration isolator 71. The vibration isolator 71 is a circular ring structure, and both the vibration isolator 71 and the vacuum motor 7 are implemented using products in the prior art.

[0040] As an optional embodiment, the power supply component is a plurality of batteries 11 arranged side by side, and the batteries 11 are electrically connected to the vacuum motor 7 .

[0041] Figure 3The handheld vacuum cleaner provided by the present invention is shown, comprising a gripping portion 2 connected to a first connection end 1 and a second connection end 3, the gripping portion 2 is tilted forward at a certain angle, the second connection end 3 is equipped with an air-dust separation component 31, dirty air is separated from the air-dust separation component 31, the second connection end 3 is equipped with a battery 11, and the battery 11 is used to power a vacuum motor 7, which is located in front of the gripping portion 2 and fixedly installed in the air chamber 5, and is used to generate a suction negative pressure of the vacuum cleaner, and maintains a certain gap with the gripping portion 2 for holding the handle. The exhaust component 6 is connected to the bottom of the vacuum motor 7 in the air chamber 5, and is used to filter and exhaust the air exhausted from the vacuum cleaner.

[0042] like Figure 3 As shown, the handheld vacuum cleaner further includes an exhaust assembly 6 which is sleeved on the outside of the air outlet 51 .

[0043] As an optional embodiment, the exhaust assembly 6 includes a cover-shaped exhaust hood, which is mounted on the outside of the tapered portion 52, an exhaust port 61 arranged on the front side wall of the exhaust hood, and an air guide plate 62 arranged on the exhaust port 61, wherein the outlet of the air guide plate 62 faces upward, and the exhaust gas passes through the air outlet 51 and enters the exhaust hood, and then flows out upward through the air guide plate 62.

[0044] Specifically, the second connecting end 3 includes a cylindrical base 32 with both ends open, and a dust cup 33 clamped on the rear end of the base 32, the gas-dust separation component 31 is placed in the inner cavity of the dust cup 33, the air inlet 4 is arranged at the front end of the base 32, the base 32 has an air inlet channel 34 and an air outlet channel 35, and the air inlet channel 34 and the air outlet channel 35 both extend to the outside of the base 32, when the dust cup 33 is clamped on the base 32, the air inlet channel 34 and the air outlet channel 35 both extend to the bottom of the inner cavity of the dust cup 33, the air inlet channel 34 and the air outlet channel 35 located in the dust cup 33 are arranged in parallel, and the air inlet channel 34 and the air outlet channel 35 are arranged in parallel. 4 is connected to the air inlet 4, the end of the air outlet channel 35 is connected to the air chamber 5 in front of the second connection end 3, the air-dust separation component 31 is located at the bottom of the dust cup 33, and is located between the air inlet channel 34 and the air outlet channel 35. The air-dust separation component 31 is implemented by a product in the prior art. Dirty air enters the air inlet channel 34 from the air inlet 4 and is separated by the air-dust separation component 31. Dust gathers in the dust cup 33 on the rear side of the air-dust separation component 31. The separated air enters the air chamber 5 through the air outlet channel 35, then flows into the exhaust hood through the air outlet hole 51, and then is discharged through the air guide plate 62. When it is necessary to dump dust, just remove the dust cup 33 from the base 32 and dump it.

[0045] The handheld vacuum cleaner provided by the present invention also includes a long tube connected to the air inlet 4 and a floor brush arranged at the end of the long tube.

[0046] In the handheld vacuum cleaner provided by the present invention, the gripping portion 2 is located between the first connecting end 1 and the second connecting end 3, an air-dust separation component 31 is arranged in the second connecting end 3, and a battery 11 component is arranged in the first connecting end 1; the vacuum motor 7 is located in front of the gripping portion 2 and maintains a certain gap between the gripping portion 2, and an air outlet 51 is arranged on the front side; the center of gravity of the handheld vacuum cleaner according to this layout scheme is arranged near the gripping portion 2 of the handle, and it has the characteristics of compact structure and light use.

[0047] Specific operation method:

[0048] Figure 2 It is a cross-sectional schematic diagram of a handheld vacuum cleaner. When the vacuum cleaner is started, the battery 11 supplies power to the vacuum motor 7, and dirty air enters the device through the air inlet 4. After separation and filtration in the air-dust separation component 31, dust and other dirt are trapped, and clean air is sucked into the vacuum motor 7 through the air outlet duct 35. The air chamber 5 for fixing the vacuum motor 7 is also provided with an air outlet 51 located behind the vacuum motor 7 for discharging the air inhaled by the vacuum motor 7. The exhaust component 6 is arranged in front of the first connecting end 1, and an exhaust port 61 for discharging air is arranged in front of the exhaust component 6, which is used to guide the exhaust wind direction to the upper wind guide plate 62. By setting the exhaust port 61 to the front side, the exhaust port 61 will not blow directly to the user due to the push-pull action when the vacuum cleaner is used, and the wind guide plate 62 also avoids the dust caused by the exhaust airflow blowing directly to the ground.

[0049] The present invention is not limited to the exact details of the above-mentioned embodiments. For example, the accessories such as the floor brush and the long tube used in the vacuum cleaner are conventional technologies in the field and are not specifically described in this embodiment. The design details such as the inclination of the axis may also be changed.

[0050] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A handheld vacuum cleaner, characterized in that: It comprises a gripping portion, a first connecting end and a second connecting end arranged at both ends of the gripping portion, a gas-dust separation component arranged in the second connecting end to separate and filter the sucked gas and dust, and an electric supply component arranged in the first connecting end to provide electric power to the power component; The handheld vacuum cleaner also includes an air chamber connected to the inner cavity of the second connecting end and located in front of the gripping portion, the top of the air chamber is connected to the front of the second connecting end, and the bottom is located in front of the first connecting end, and the power assembly is arranged in the air chamber to form a negative pressure suction force in the second connecting end and extract the separated gas; The second connecting end includes a cylindrical base with both ends open, and a dust cup clamped on the rear end of the base, the air-dust separation assembly is placed in the inner cavity of the dust cup, the air inlet channel and the air outlet channel located in the dust cup part are arranged in parallel, and the end of the air outlet channel is connected to the air chamber at the front of the second connecting end.

2. The handheld vacuum cleaner according to claim 1, characterized in that: It also includes an air inlet arranged on the second connecting end and an air outlet arranged on the air chamber.

3. The handheld vacuum cleaner according to claim 1 or 2, characterized in that: The gripping portion is disposed obliquely forward, with an upper end thereof connected to the middle portion of the second connecting end, and a lower end thereof connected to the rear portion of the first connecting end.

4. The handheld vacuum cleaner according to claim 3, characterized in that: The gripping portion has an inclination angle of 15 degrees.

5. The handheld vacuum cleaner according to claim 1, 2 or 4, characterized in that: The second connecting end is arranged obliquely downward, and an angle is formed between the axis of the second connecting end and the axis of the first connecting end, and the angle is an acute angle.

6. The handheld vacuum cleaner according to claim 2, characterized in that: The air outlet holes are arranged along the circumference of the bottom of the air chamber.

7. The handheld vacuum cleaner according to claim 6, characterized in that: The air chamber is vertically arranged with respect to the first connecting end, and the bottom end of the air chamber is flush with the lower surface of the first connecting end.

8. The handheld vacuum cleaner according to claim 6, characterized in that: The bottom end of the air chamber has a tapered portion, and the air outlet holes are arranged along the circumference of the tapered portion.

9. The handheld vacuum cleaner according to claim 2, characterized in that: The power assembly comprises a vacuum motor, and the vacuum motor is mounted on the inner wall of the air chamber through a vibration isolation member.

10. The handheld vacuum cleaner according to claim 1, characterized in that: The electric supply assembly is a plurality of storage batteries arranged side by side.

11. The handheld vacuum cleaner according to claim 8, characterized in that: The handheld vacuum cleaner also includes an exhaust assembly sleeved on the outside of the air outlet.

12. The handheld vacuum cleaner according to claim 2, characterized in that: The handheld vacuum cleaner also includes a long tube connected to the air inlet and a floor brush arranged at the end of the long tube.

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