A dust collection device and a power suction cleaner

By employing two cylindrical dust collectors and friction resistance auxiliary components in the electric vacuum cleaner, the problem of automatic dust collection in the event of a power outage is solved, improving cleaning efficiency and stability while reducing noise and the size of the dust collector.

CN116669609BActive Publication Date: 2026-06-26NIPPON SEAL HK CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NIPPON SEAL HK CO LTD
Filing Date
2021-12-27
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing electric vacuum cleaners' dust collectors cannot automatically collect dust when the power is off, and their cleaning efficiency is affected by uneven frictional resistance on the surface to be cleaned, resulting in unstable rotation and serious noise problems.

Method used

It adopts two cylindrical dust collectors arranged in parallel rotation, equipped with friction resistance auxiliary components and baffles, to achieve automatic rotation and alternating dust collection. The dust is transferred by the suction power of the electric vacuum cleaner, reducing the volume of the dust collector.

Benefits of technology

It enables automatic dust collection in the event of a power outage, improving cleaning efficiency and stability, reducing noise, simplifying operation, and lowering the size and weight of the dust collector.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application provides a dust collecting device and an electric cleaner. The dust collecting device includes a main body (10) having an opening (110), a first dust collector (20) having a first dust collecting brush (210) for collecting dust, and a second dust collector (30) having a second dust collecting brush (310) for collecting dust, the first and second dust collectors (20, 30) being rotatably arranged in parallel in the main body (10); when the first dust collecting brush (210) is located in the opening (110), the first dust collecting brush (210) is inclined toward the second dust collector (30) on a surface, and when the second dust collecting brush (310) is located in the opening (110), the second dust collecting brush (310) is inclined toward the first dust collector (20) on a surface. The dust collecting device can collect dust even when the power of the electric cleaner is off, and can be used at any time without worrying about noise.
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Description

Technical Field

[0001] This invention relates to the field of household cleaning technology, and more particularly to a dust collection device with a double-roller self-cleaning brush and an electric vacuum cleaner having the dust collection device. Background Technology

[0002] Japanese Patent (No. 3439459) discloses an electric brush in which a vacuum cleaner has a generally semi-conical shape, and a second dust collector is mounted on an outer peripheral surface symmetrical about the center line of the circumference. Dust-collecting brushes are then arranged on both sides of the outer peripheral surface of the dust collector, facing the dust-collecting brushes mounted on the dust collector; the dust collector is a pivot, so it is located at the end of the pivot area and on the side to be cleaned. In use, the dust collector is rotated and moved to the other end of the rotation range, moving dust into the dust collector body. As the dust collector flips and rotates, the dust is collected and adheres to the dust-collecting brushes. The dust-collecting brushes are cleaned by collecting the dust collected by the dust-collecting brushes. By further flipping and rotating the dust collector, the dust collected by the dust-collecting brushes is collected at the end of the dust-collecting brushes on the side of the dust-collecting component body and moved into the interior of the dust-collecting component body. By repeating this operation, dust accumulates inside the dust collector. However, in order to perform the reciprocating operation of the dust collector during cleaning, the dust collector must be rotated manually. In addition, moving forward and backward each require a pair of dust collection brushes and a dust storage brush, for a total of two pairs of brushes, four brushes in total.

[0003] Furthermore, Japanese Patent (No. 2015932) discloses an electric vacuum cleaner in which two dust collectors are arranged in parallel in a semi-conical shape. The two dust collectors are not connected, and each dust collector can operate independently within a target pivot range. The pivot of the dust collector is operated by the frictional resistance generated between the surface to be cleaned and a first dust-collecting brush arranged on the outer peripheral surface of the dust collector. However, if the dust collector body inside the dust collector is tilted, and the frictional resistance of the surface to be cleaned is unevenly applied to the two dust collectors, the two dust collectors will rotate relative to each other. Since dust cannot properly enter the dust collector body, it cannot be stored inside the electric vacuum cleaner body. Furthermore, because the dust collector is semi-conical, the area where the suction port is closed changes due to rotation. When suction is generated in the electric vacuum cleaner body, a negative pressure is generated inside the vacuum cleaner body, which causes the vacuum cleaner to rotate due to the air pressure flowing in from the suction port and the angle at which the suction port is closed. Therefore, the operation of the dust collector pivot is unstable, and the dust removal efficiency is reduced. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a dust collection device that can collect dust even when the electric vacuum cleaner is powered off, and can be used at any time without worrying about noise.

[0005] Therefore, the present invention provides a dust collection device comprising a main body having an opening, a first dust collector having a first dust collection brush for collecting dust, and a second dust collector having a second dust collection brush for collecting dust. The first dust collector and the second dust collector are rotatably and parallelly disposed within the main body. The opening is disposed on the outer peripheral surface of the main body, the first dust collection brush is disposed on the outer peripheral surface of the first dust collector, and the second dust collection brush is disposed on the outer peripheral surface of the second dust collector. A portion of the first dust collector is disposed in the opening so as to be exposed from the main body. A portion of the second dust collector is disposed in the opening so as to be exposed from the main body. The first dust collection brush and the second dust collection brush are alternately located in the opening. When the first dust collection brush is located in the opening, the first dust collection brush is inclined toward the second dust collector on the surface, and when the second dust collection brush is located in the opening, the second dust collection brush is inclined toward the first dust collector on the surface.

[0006] In the dust collection device provided by the present invention, the first dust collector and the second dust collector are cylindrical.

[0007] The dust collection device employing the above-described technical solution has two substantially cylindrical dust collectors arranged in parallel rotation inside the main body, with a portion of one portion positioned exposed from the main body. Furthermore, by providing dust collection brushes, the two substantially cylindrical dust collectors are disposed on a portion of the outer peripheral surface of the main body. Because the frictional resistance of the surface to be cleaned causes the main body to rotate according to the surface, a simple cleaning tool can be provided that automatically adjusts to the appropriate cleaning state without the need for operating a switch lever.

[0008] In the dust collection device provided by this invention, the first dust collector and the second dust collector are configured to rotate relative to each other in the same direction. In this embodiment, the dust collectors are connected inside the main body and configured to rotate together in the same direction. If a portion of one dust collector comes into contact with the surface to be cleaned, a high-performance cleaning tool can be provided that can rotate the two connected dust collectors and ensure that the appropriate cleaning state is switched.

[0009] In the dust collection device provided by the present invention, the first dust collector includes a first rotating auxiliary member with frictional resistance disposed on the outer peripheral surface of the first dust collector, and the second dust collector includes a second rotating auxiliary member with frictional resistance disposed on the outer peripheral surface of the second dust collector. In this embodiment, even on a smooth surface to be cleaned, by providing a rotating auxiliary member with appropriate frictional resistance on the portion of the outer peripheral surface of the dust collector without a dust collection brush, it is possible to provide a high-performance cleaning tool that can be adapted to an appropriate cleaning state.

[0010] In the dust collection device provided by the present invention, the dust collection device further includes a stop block disposed within the main body, the stop block being used to lock the rotation of the first dust collector and the second dust collector.

[0011] In the dust collection device provided by the present invention, the first dust collector further includes a first pivot shaft, and the end of the first pivot shaft is provided with a first gear; the second dust collector further includes a second pivot shaft, and the end of the second pivot shaft is provided with a second gear; the first gear and the second gear are connected via a third gear; the first gear and the second gear have a locking part for adjusting the pivot range, and contact the stop block to adjust the rotation range.

[0012] In the dust collection device provided by this invention, the main body has a connecting portion for connection to an electric vacuum cleaner. In this embodiment, the electric vacuum cleaner is connected to the main body of the dust collection device via the connecting portion, and the suction power of the electric vacuum cleaner in the main body is used to collect the dust stored in the main body. The dust is transferred to the electric vacuum cleaner, thus reducing the size of the dust storage portion within the main body, thereby reducing the size and weight.

[0013] The implementation of this invention has the following beneficial effects:

[0014] 1. No manual rotation of the dust collector is required; the dust collector can automatically rotate to the optimal position by the reciprocating motion of the main body of the dust collection device.

[0015] 2. Furthermore, since each dust collector is equipped with one dust collection brush, two dust collection brushes can be configured, which is half the number in the traditional example;

[0016] 3. Furthermore, since the pivot of the dust collector is connected to and works together with the prior art 2, even when the main body of the dust collection device is tilted, the two dust collectors can always rotate in the same direction to ensure stable dust collection;

[0017] 4. In addition, since the dust collector is cylindrical, the opening area of ​​the dust collection port will not change with the angle of the dust collector, thus continuously generating uniform suction pressure. The suction pressure affects the movement of the dust collector, thus providing reliable rotational operation during cleaning. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the embodiment descriptions will be briefly introduced. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort:

[0019] Figure 1This is a structural diagram of the dust collection device provided in the embodiments of this application when the first dust collector is in a position exposed from the main body;

[0020] Figure 2 This is a structural diagram of the dust collection device provided in the embodiments of this application when the second dust collector is in a position exposed from the main body;

[0021] Figure 3 This is a structural diagram of the dust collection device as seen from the other side;

[0022] Figure 4 This is a structural diagram of the dust collector provided in the first embodiment of this application. Detailed Implementation

[0023] To facilitate understanding of the present invention, it will now be described more fully with reference to the accompanying drawings. Typical embodiments of the invention are shown in the drawings. However, the invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of the invention more thorough and complete.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in this description is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention.

[0025] This embodiment provides a dust collection device. (See reference...) Figure 1 and Figure 2 It provides a structural diagram of a dust collection device according to an embodiment of the present invention. For example... Figure 1 As shown, the dust collection device includes a main body 10 with an opening 110, a first dust collector 20 with a first dust collecting brush 210 for collecting dust, and a second dust collector 30 with a second dust collecting brush 310 for collecting dust. The first dust collector 20 and the second dust collector 30 are cylindrical. Figure 1 As shown, the first dust collector 20 and the second dust collector 30 are rotatably and parallelly arranged within the main body 10; the opening 110 is provided on the outer peripheral surface of the main body 110. Further, a first dust collector brush 210 is provided on the outer peripheral surface of the first dust collector 20, and a second dust collector brush 310 is provided on the outer peripheral surface of the second dust collector 30; a portion of the first dust collector 20 is provided in the opening 110 so as to be exposed from the main body 10; a portion of the second dust collector is provided in the opening 110 so as to be exposed from the main body 10; the first dust collector brush 210 and the second dust collector brush 310 are alternately located in the opening 110. Figure 1 As shown, when the first dust collecting brush 210 is located at the opening 110, the first dust collecting brush 210 is tilted towards the second dust collector 30 on the surface. Figure 2As shown, when the second dust collection brush 310 is located at the opening 110, the second dust collection brush 310 tilts toward the first dust collector 20 on the surface.

[0026] By employing the dust collection device of this embodiment, two substantially cylindrical dust collectors are arranged in parallel rotation inside the main body, with a portion of one portion positioned exposed from the main body. Furthermore, by providing a dust collection brush for dust collection, the two substantially cylindrical dust collectors are disposed on a portion of the outer peripheral surface of the main body. Because the frictional resistance of the surface to be cleaned causes the main body to rotate according to the surface, a simple cleaning tool can be provided that automatically changes to the appropriate cleaning state without the need for operating a switch lever.

[0027] Furthermore, the first dust collector 210 and the second dust collector 310 are configured to rotate relative to each other in the same direction. In this embodiment, the dust collectors are connected inside the main body and configured to rotate together in the same direction. If a portion of one dust collector comes into contact with the surface to be cleaned, a high-performance cleaning tool can be provided that can rotate the two connected dust collectors and ensure that the appropriate cleaning state is switched.

[0028] Furthermore, the dust collection device also includes a stop (not shown in the figure) disposed within the main body 10, which is used to lock the rotation of the first dust collector and the second dust collector.

[0029] Furthermore, such as Figure 3 As shown, the first dust collector 20 further includes a first pivot shaft, and the end of the first pivot shaft is provided with a first gear 220; the second dust collector 30 further includes a second pivot shaft, and the end of the second pivot shaft is provided with a second gear 320; the first gear 220 and the second gear 320 are connected via a third gear 40; the first gear 220 and the second gear 320 have locking parts for adjusting the pivot range, and contact the stop block to adjust the rotation range.

[0030] Furthermore, the main body has a connecting portion for connection to an electric vacuum cleaner. Additionally, the main body 10 has a connecting portion (not shown) for connection to an electric vacuum cleaner. In this way, dust stored in the main body 10 is moved to a dust collection device within the electric vacuum cleaner body by the suction of the electric vacuum cleaner, allowing for miniaturization of the dust collection device and enabling the collection of a large amount of dust from the surface to be cleaned. In this embodiment, by having a connecting portion capable of connecting an electric vacuum cleaner to the dust collection device body, dust stored within the cleaning body is collected by the suction of the electric vacuum cleaner within the electric vacuum cleaner body. By transferring the dust to the dust collector, the dust storage capacity within the second dust collection body can be set very small, thus reducing size and weight.

[0031] Furthermore, such as Figure 4As shown, each dust collector includes a rotating auxiliary member with frictional resistance at a location on its outer peripheral surface where there is no dust collection brush. This allows the dust collectors to reliably rotate even when one dust collector is removed from the surface to be cleaned, as long as the rotating auxiliary member of the other dust collector remains in contact with the surface. Therefore, the first dust collector 20 includes a first rotating auxiliary member 230 with frictional resistance disposed on its outer peripheral surface, and the second dust collector 30 includes a second rotating auxiliary member 330 with frictional resistance disposed on its outer peripheral surface. In this embodiment, even on smooth surfaces to be cleaned, by providing rotating auxiliary members with appropriate frictional resistance at the portions of the dust collector's outer peripheral surface where there are no dust collection brushes, it is possible to provide a high-performance cleaning tool capable of adapting to an appropriate cleaning state.

[0032] The operation process of the dust collection device will now be explained:

[0033] like Figure 1 As shown, when the first dust collector 20's first dust collector brush 210 is exposed from the opening 110 of the main body 10, the second dust collector brush 310 of the second dust collector 30 is located inside the main body 10.

[0034] This is because the cylindrical first dust collector 20 and the second dust collector 30 move in contact with each other on the surface to be cleaned, and due to friction with the surface, the first dust collector 20 and the second dust collector 30 rotate in the same direction. Figure 1 In the state shown, it is locked by a stop block located inside the main body 10.

[0035] Then, when the main body moves in the opposite direction, the first dust collector 20's first dust collection brush 210 rotates toward the interior of the main body 10, as... Figure 2 As shown. The second dust collection brush 310 rotates toward the opening.

[0036] The rotation of each dust collector is stopped by a stop block located inside the main body, at a position where the dust collector rotates at a certain angle.

[0037] Each time the main body moves in the opposite direction, the first dust collector 20 and the second dust collector 30 rotate in the same direction, and the first dust brush 210 and the second dust brush 310 alternately move into and out of the opening.

[0038] Then, as the main body moves in the opposite direction, the first dust collector 20 rotates within the main body, while retaining the dust collected from the surface to be cleaned on the first dust collection brush 210 and collecting the dust within the main body. Then, it moves inwards.

[0039] Meanwhile, the second dust collection brush 310, located inside the dust collector body, is exposed from the opening and comes into contact with the surface to be cleaned in order to collect dust from the surface.

[0040] When the main body's direction of movement reverses again, each dust collector rotates in the opposite direction to the direction of rotation.

[0041] At this time, the first dust collector 20 located inside the main body of the dust collector rotates toward the opening of the main body with dust attached, but the second dust collector 310 moves into the main body and attaches the dust collected from the surface to be cleaned to the main body.

[0042] Since the brush tips of the first dust collector 210 and the second dust collector 310 are configured such that a portion of them are in contact with each other, the dust adhering to the first dust collector 210 is captured by the brush tip of the second dust collector 310 and adheres to the second dust collector 310.

[0043] Therefore, after the second dust collection brush 310 removes the dust, the first dust collection brush 210 contacts the surface to be cleaned in a clean state and collects new dust from the surface to be cleaned.

[0044] As shown above, each time the working direction of the main body changes, and then changes again, each brush collects dust from the surface to be cleaned and transfers it into the dust collector. When the dust is inverted, the dust transferred into the dust collector is removed by the opposite brush, and the dust accumulates inside as it rotates towards the opening.

[0045] By repeating this process, the dust on the surface to be cleaned is transferred and accumulated inside the body.

[0046] The implementation process of the present invention has been described above, but the present invention is not limited to the specific implementation methods described above. The specific implementation methods described above are merely illustrative and not restrictive. Under the inspiration of the present invention, those skilled in the art can make various changes without departing from the purpose and scope of protection of the present invention, and all such changes shall fall within the scope of protection of the present invention.

Claims

1. A dust collection device, characterized in that, The dust collection device includes a main body with an opening, a first dust collector with a first dust collecting brush for collecting dust, and a second dust collector with a second dust collecting brush for collecting dust. The first and second dust collectors are cylindrical and rotatably arranged parallel to each other within the main body. The opening is located on the outer peripheral surface of the main body, the first dust collecting brush is located on the outer peripheral surface of the first dust collector, and the second dust collecting brush is located on the outer peripheral surface of the second dust collector. A portion of the first dust collector is located in the opening so as to protrude from the main body; a portion of the second dust collector is located in the opening so as to protrude from the main body; the first and second dust collecting brushes are alternately located in the opening. When the first dust collecting brush is located in the opening, the first dust collecting brush is inclined toward the second dust collector on the surface, and when the second dust collecting brush is located in the opening, the second dust collecting brush is inclined toward the first dust collector on the surface. The first dust collector further includes a first pivot shaft, the end of which is provided with a first gear; the second dust collector further includes a second pivot shaft, the end of which is provided with a second gear; the first gear and the second gear are connected via a third gear, such that the first dust collector and the second dust collector are configured to rotate relative to each other in the same direction; The dust collection device further includes a stop block disposed within the main body, the stop block being used to lock the rotation of the first dust collector and the second dust collector; The first gear and the second gear have locking parts for adjusting the pivot range, and contact a stop provided in the main body to adjust the rotation range; The first dust collector includes a first rotating auxiliary member with frictional resistance disposed on the outer peripheral surface of the first dust collector, and the second dust collector includes a second rotating auxiliary member with frictional resistance disposed on the outer peripheral surface of the second dust collector; The first and second rotating auxiliary components have frictional resistance, which is used to assist the first and second dust collectors in rotating on a smooth surface; A portion of the brush head of the first dust collection brush and a portion of the brush head of the second dust collection brush are configured such that when the first dust collection brush or the second dust collection brush is located inside the body, they contact each other, such that dust on the dust collection brush located inside the body is captured by the brush head of the other dust collection brush and transferred to the interior of the body.

2. The dust collection device according to claim 1, characterized in that, The first dust collector and the second dust collector are cylindrical.

3. The dust collection device according to claim 1, characterized in that, The first dust collector and the second dust collector are configured to rotate relative to each other in the same direction.

4. The dust collection device according to claim 1, characterized in that, The brush head of the first dust collection brush and the brush head of the second dust collection brush are configured such that a portion of the brush head of the first dust collection brush and a portion of the brush head of the second dust collection brush are in contact with each other.

5. The dust collection device according to claim 1, characterized in that, The main body has a connection part that connects to an electric vacuum cleaner.

6. An electric vacuum cleaner, characterized in that, The electric vacuum cleaner includes the dust collection device as described in claim 1.