CN209153422U - Handheld Cleaning Equipment - Google Patents

Abstract

The utility model provides a hand-held cleaning device, which is characterized by comprising: a device main body, a suction unit, a handle, an airflow generating device and a filtering device. The suction unit is disposed at the front of the device body and protrudes forward from the device body along the first axis; the handle is directly or indirectly connected to the rear of the device body, the handle extends along a second axis that is offset with respect to the vertical direction, and The upper end of the handle is closer to the device body than the lower end; the airflow generating device is disposed at the lower part of the device body and protrudes rearward from the device body; the filtering device is connected to the rear of the airflow generating device. Wherein, in the projection of the hand-held cleaning device on the horizontal plane, the projection of the front end of the handle is within the projection range of the airflow generating device, and the second axis does not extend through the airflow generating device. The arrangement of the hand-held cleaning device according to the present invention is ergonomic, and the user can comfortably hold the handle and can smoothly complete the cleaning operation.

Description

Handheld Cleaning Equipment

technical field

The utility model generally relates to the field of household appliances, in particular to a handheld cleaning device.

Background technique

Existing hand-held vacuum cleaners generally include an elongated body with an air inlet, a suction duct, and a dust collection device for separating impurities and dust from the air flow. A motor and fan assembly is located in the elongated body along with the power supply. Usually, the handle is located on the upper part of the hand-held vacuum cleaner. The handle is parallel to the elongated body, the suction duct extends at an angle to the axis of the elongated body, and both the airflow generator and the power source are located within the body below the handle. The arrangement of the handle of such a hand-held vacuum cleaner is not ergonomic, and the user may feel uncomfortable when holding the handle for cleaning.

There are also hand-held vacuum cleaners that have a cylindrical body and a handle provided at one end of the cylindrical body. A curved suction duct is located at the opposite end of the cylindrical body from the handle. When such a hand-held vacuum cleaner is in use, the heavy parts of the vacuum cleaner, such as the motor and fan assembly, are located in front of the handle, as is the suction duct. Therefore, the center of gravity of the hand-held vacuum cleaner is in front of the handle. Such an arrangement makes the user tiring and uncomfortable when using the hand-held vacuum cleaner, and is not conducive to the stability of the hand-held vacuum cleaner during use.

In addition, there are some hand-held vacuum cleaners, which are respectively provided with a battery pack and an airflow generator at both ends of the handle, that is, the handle is located between the airflow generator and the power supply, and the handheld vacuum cleaner as a whole forms a structure similar to a dumbbell, so that the whole The weight of the machine is distributed on both sides of the user's hand. However, with this arrangement, the user has to exert extra wrist strength to change the direction of the vacuum cleaner when changing the direction of the suction nozzle, similar to applying a vertical upward force to a dumbbell during use.

Accordingly, there is a need for a handheld cleaning device that at least partially addresses the problems of the prior art.

Utility model content

A series of concepts in simplified form have been introduced in the Summary of the Invention, which are described in further detail in the Detailed Description. The utility model content part of the present utility model is not intended to attempt to limit the key features and necessary technical features of the claimed technical solution, nor does it mean to attempt to determine the protection scope of the claimed technical solution.

In order to at least partially solve the above problems, the present invention provides a hand-held cleaning device, which is characterized in that it includes:

device body;

a suction unit, the suction unit is disposed at the front of the device body and protrudes forward from the device body along the first axis;

a handle, the handle is directly or indirectly connected to the rear of the device body, the handle extends along a second axis deviated from the vertical direction, and the upper end of the handle is closer to the device body than the lower end;

an airflow generating device provided at a lower portion of the apparatus main body and protruding rearward from the apparatus main body; and

a filter device, the filter device is connected to the rear of the airflow generating device,

Wherein, in the projection of the handheld cleaning device on the horizontal plane, the projection of the front end of the handle is within the projection range of the airflow generating device, and the second axis does not extend through the airflow generating device.

Preferably, the included angle between the first axis and the second axis is 70°˜80°.

Preferably, the casing of the suction unit is integrally formed with the casing of the device body.

Preferably, the device body is configured to include a cylinder having an axis extending in a vertical direction.

Preferably, the second axis extends through at least a portion of the filter device.

According to the utility model, the arrangement of the hand-held cleaning device is ergonomic, and the handle is arranged obliquely, so that the user can comfortably hold the handle and can smoothly complete the cleaning work.

Description of drawings

The following drawings of embodiments of the present invention are incorporated herein as a part of the present invention for understanding of the present invention. The accompanying drawings illustrate the embodiments of the present invention and their description, which are used to explain the principles of the present invention. In the attached drawings,

1 is a perspective view of a handheld cleaning device according to a preferred embodiment of the present invention; and

FIG. 2 is a schematic cross-sectional front view of the hand-held cleaning device shown in FIG. 1 .

Detailed ways

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that embodiments of the invention may be practiced without one or more of these details. In other instances, in order to avoid confusion with the embodiments of the present invention, some technical features known in the art are not described.

For a thorough understanding of the embodiments of the present invention, detailed structures will be presented in the following description. Obviously, the implementation of the embodiments of the present invention is not limited to the specific details familiar to those skilled in the art.

This embodiment discloses a handheld cleaning device 100, which is used for daily cleaning operations. The user can hold the hand-held cleaning device 100 in this embodiment to operate. Referring to the drawings, it can be seen that the hand-held cleaning device 100 generally includes a device body 1, a suction unit 2, a power supply device 8, an airflow generating device 5, a secondary filter device 42, and a separation device installed in the device body 1, a Stage filter device 41 and dust bucket 6 and so on.

The handheld cleaning device 100 according to the present invention will be described below with reference to the accompanying drawings. It should be noted that the arrangement and extension directions (such as "horizontal" and "vertical") of various components or axes mentioned in this document refer to the state in which the hand-held cleaning device is placed horizontally on a horizontal surface (as shown in Fig. 1) The arrangement and direction of extension of the component or axis. Whereas, the directional terms "front", "rear", "left" and "right" mentioned herein refer to the "front" when the hand-held cleaning device is placed horizontally on a horizontal surface (as shown in Figure 1). ", "rear", "left", "right", where "front" refers to the end near the suction unit and "rear" refers to the end near the handle.

The apparatus main body 1 has a substantially cylindrical cylindrical structure and the axis of the cylindrical shape extends in the vertical direction. The suction unit 2 is connected at an upper position at the front of the apparatus main body 1 and protrudes forward from the apparatus main body 1 along the first axis (ie, the Y-Y line). The suction unit 2 is formed as a cylinder with the first axis as the axis. In this embodiment, the first axis extends in the horizontal direction. The end of the suction unit 2 connected to the device main body 1 has a larger radial dimension and the end away from the device main body 1 has a smaller radial dimension. The connection is stronger.

Preferably, the casing of the device main body 1 and the casing of the suction unit 2 are integrally formed. Such an arrangement can increase the strength, improve the firmness of the installation of the suction unit 2, and has good aesthetics, which can improve the visual effect.

The airflow generating device 5 is a power unit for the hand-held cleaning apparatus 100 to perform cleaning work, and includes a motor and a fan. When vacuuming, the motor drives the fan to rotate to generate the airflow sucked from the suction unit 2 and finally discharged from the secondary filter device 42 (which will be described in detail later), that is, the suction unit 2 can be under the action of the airflow generating device 5 Generate suction to achieve the purpose of vacuuming. Therefore, the airflow generating device 5 is preferably arranged at the end of the airflow path.

As shown in FIG. 2 , in the present embodiment, the airflow generating device 5 is provided at the lower portion of the apparatus main body 1 and protrudes rearward from the apparatus main body 1 . The secondary filter device 42 is connected to the rear of the airflow generating device 5. In this embodiment, the secondary filter device 42 is a HEPA filter (High efficiency particulate air Filter, high efficiency air filter). It can be understood that the outer casing of the airflow generating device 5 is actually integrally formed with the outer casing of the secondary filter device 42 to form a casing protruding backward from the lower rear end of the equipment main body 1, while the airflow generating device 5 and the secondary filter The devices 42 are sequentially arranged in this housing (to be described as a lower housing hereinafter) from front to back.

The power supply device 8 is provided at the upper portion of the apparatus main body 1 and protrudes rearward from the apparatus main body 1 . It can be seen in conjunction with the accompanying drawings that the power supply device 8 is also formed into an elongated structure, and the rear end surface of the power supply device 8 and the rear end surface of the lower casing are substantially located in the same vertical plane. In other words, the rear end surface of the power supply device 8 The end is flush with the rear end of the lower housing. And the radial dimension of the power supply device 8 is smaller than the radial dimension of the lower casing. A battery pack is provided in the power supply device 8 .

Preferably, the separation device in the equipment main body 1 further includes two-stage cyclone separation devices: a primary separation device 31 and a secondary separation device 32, and the primary separation device 31 is communicated between the suction unit 2 and the secondary separation device 32 to This allows impurities to be separated from the air by a two-stage separation. The separated impurities fall into the dust bucket 6 . In the present embodiment, the primary separation device 31 is provided close to the inner surface of the front housing of the apparatus main body 1 . The secondary separation device 32 is provided at an upper middle position of the apparatus main body 1 . Preferably, the dust bucket 6 is detachably clamped in the device main body 1 .

In the present embodiment, the primary filter device 41 is provided at the lower part of the apparatus main body 1 and communicated between the secondary separation device 32 and the secondary filter device 42 . The primary filter device 41 first filters out large particles in the gas to avoid damage to the motor, and the secondary filter device 42 filters out fine dust so that the air separated from impurities is discharged to the outside atmosphere through two-stage filtration. Such an arrangement makes the gas discharged to the outside atmosphere relatively clean and avoids secondary pollution, thereby improving air quality.

To sum up, under the action of the airflow generating device 5, a suction unit 2, a primary separation device 31, a secondary separation device 32, a primary filter device 41, and a secondary filter are formed in the handheld cleaning device 100 in sequence. The gas flow path of the device 42 . When the air passes through the gas flow path, the separation of impurities and gas is first completed (completed by the primary separation device 31 and the secondary separation device 32), and then the purification of the separated gas is completed (by the primary filter device 41 and the secondary separation device 32). stage filtration device 42 is completed), thereby discharging the clean gas to the outside atmosphere.

The handle 7 is connected between the battery pack and the lower case from top to bottom. The handle 7 is an inclined cylindrical body, the axis of the cylindrical body is the second axis (ie X-X line), and the second axis is offset from the vertical direction so that the upper end of the handle 7 is closer to the device body 1 than the lower end.

The second axis is a straight line that does not pass through the airflow generating device 5 . And if the hand-held cleaning device 100 is projected upward or downward on the horizontal plane, the projection of the front end of the handle 7 will be located within the projection range of the airflow generating device 5 . That is, the lower end of the handle 7 is approximately connected to the connection between the secondary filter device 42 and the airflow generating device 5 or the front end point of the lower end surface of the handle 7 is located at the connection between the secondary filter device 42 and the airflow generating device 5, and the second The axis extends through at least a portion of the secondary filter device.

It should be noted that the "front end surface of the handle" mentioned herein refers to a plane (in an extreme case, a line segment) located at the foremost end of the handle, rather than a curved surface. If the handle 7 is further formed into a substantially cylindrical body, the front end surface of the handle 7 is actually a two-dimensional concept (ie, a line segment extending from the front end point of the upper end surface of the handle 7 to the front end point of the lower end surface).

It can be understood that the handle 7 is generally located directly above the airflow generating device 5 as a whole, that is to say, the uppermost end of the front end surface of the handle 7 will not protrude forward from the airflow generating device 5, and the lowermost end of the front end surface of the handle 7 will not protrude forward. The rear protrudes from the airflow generating device 5 . Such arrangement makes the space enclosed by the device main body 1, the lower casing, the handle 7 and the power supply device 8 not too large, so that the user's four fingers can be accommodated appropriately, which is convenient for the user to operate.

Preferably, the included angle between the first axis and the second axis is set in the range of 70°˜80°, and the angle range is a reasonable range to ensure comfortable grip. Also preferably, the trigger switch 9 is provided at the upper front side of the handle 7 . Such an arrangement is more ergonomic, so that the user can easily hold the hand-held cleaning device 100 to operate, and it is also convenient for the user to use the index finger or thumb to toggle the trigger switch 9 .

The utility model introduces a hand-held cleaning device. By reasonably setting the relative positions of the handle, the power supply, the airflow generator and the filter device, the handle is arranged obliquely and is generally located at the upper part of the filter device (such as the secondary filter device), so as to facilitate the user to hold it, which is ergonomic and easy to use. The user can comfortably hold the handle to move the hand-held cleaning device and can perform cleaning tasks smoothly.

Unless otherwise defined, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the present invention. The terms used herein are for the purpose of describing specific implementations, and are not intended to limit the present invention. Terms such as "disposed" appearing herein may mean that one element is directly attached to another element or that one element is attached to another element through an intermediary piece. A feature described herein in one embodiment may be used in another embodiment alone or in combination with other features, unless the feature is not applicable in the other embodiment or stated otherwise.

The present invention has been described by the above-mentioned embodiments, but it should be understood that the above-mentioned embodiments are only for the purpose of illustration and description, and are not intended to limit the present invention to the scope of the described embodiments. It can be understood by those skilled in the art that, according to the teachings of the present invention, more variations and modifications can be made, and these variations and modifications all fall within the protection scope of the present invention.

Claims (5)

1. A hand-held cleaning device is characterized in that, comprising: device body; a suction unit, the suction unit is disposed at the front of the device body and protrudes forward from the device body along the first axis; a handle, the handle is directly or indirectly connected to the rear of the device body, the handle extends along a second axis deviated from the vertical direction, and the upper end of the handle is closer to the device body than the lower end; an airflow generating device provided at a lower portion of the apparatus main body and protruding rearward from the apparatus main body; and a filter device, the filter device is connected to the rear of the airflow generating device, Wherein, in the projection of the handheld cleaning device on the horizontal plane, the projection of the front end of the handle is within the projection range of the airflow generating device, and the second axis does not extend through the airflow generating device. 2 . The handheld cleaning device according to claim 1 , wherein the included angle between the first axis and the second axis is 70°˜80°. 3 . 3 . The handheld cleaning device according to claim 1 , wherein the housing of the suction unit is integrally formed with the housing of the device main body. 4 . 4. The handheld cleaning device of claim 1, wherein the device body is configured to include a cylinder having an axis extending in a vertical direction. 5. The handheld cleaning apparatus of claim 1, wherein the second axis extends through at least a portion of the filter device.