WO2022000840A1

WO2022000840A1 - Vacuum cleaner

Info

Publication number: WO2022000840A1
Application number: PCT/CN2020/118869
Authority: WO
Inventors: 戴雄; 谢园; 王维维
Original assignee: 天佑电器（苏州）有限公司
Priority date: 2020-06-29
Filing date: 2020-09-29
Publication date: 2022-01-06
Also published as: CN213155657U

Abstract

Provided is a vacuum cleaner, containing a dust-collecting drum (1); when the vacuum cleaner is operating, the dust-collecting drum (1) accumulates static electricity; a machine head (2), the machine head (2) being arranged above the dust-collecting drum (1) and the machine head (2) being connected to the dust-collecting drum (1); a socket (3), the socket (3) being mounted on the machine head (2) and the socket (3) containing a grounding apparatus; an electrostatic conductive member (6), the electrostatic conductive member (6) being in contact with the dust-collecting drum (1) and electrically connected to the grounding apparatus, the static electricity on the dust-collecting drum (1) being transferred to the grounding apparatus by the electrostatic conductive member (6); the machine head (2) also includes a base (21), the dust-collecting drum (1) being connected to the base (21) and defining a dust-collecting cavity (11), at least part of the electrostatic conductive member (6) being arranged in the dust-collecting cavity (11), the electrostatic conductive member (6) being mounted on the base (21). By means of arranging the electrostatic conductive member (6) of the vacuum cleaner in the dust-collecting cavity (11) defined by the base (21) and the dust-collecting drum (1), the electrostatic conductive member (6) does not occupy space in the machine head (2), facilitating the mounting of other component parts arranged in the machine head (2).

Description

Vacuum cleaner

technical field

The utility model relates to the technical field of cleaning tools, in particular to a vacuum cleaner.

Background technique

During the operation of the vacuum cleaner, fine particles such as dust and flour on the ground will rub against the inner wall of the air duct of the vacuum cleaner when it is sucked, and a large amount of electrons will accumulate, resulting in static electricity, especially when the weather is dry.

For example, a bucket vacuum cleaner includes a dust collecting bucket, and the dust collecting bucket is provided with a suction port, and the dust-laden airflow can enter the dust collecting bucket through the suction port. When the bucket vacuum cleaner is running, after the dust-laden airflow enters the dust collecting bucket from the suction port, it will rub against the inner wall of the dust collecting bucket, and it is easy to generate static electricity, especially when the inner wall of the dust collecting bucket is made of metal material, if the bucket vacuum cleaner is After working for a long time, static electricity is accumulated, and users may suffer a large electric shock when they come into contact with the static electricity, which greatly affects the user's experience.

The existing bucket vacuum cleaner mainly transfers the static electricity accumulated on the dust collecting bucket to the grounding device through the electrostatic sheet, and the static electricity is discharged by the grounding device. Specifically, the electrostatic sheet is fixedly installed on the dust collecting bucket by connecting devices such as screws, one end of the electrostatic sheet is in contact with the inner wall of the dust collecting bucket, and the other end is electrically connected to the grounding device, so that the static electricity accumulated on the dust collecting bucket is firstly transmitted to the electrostatic sheet, The electrostatic sheet is then transferred to the grounding device, and then the grounding device performs electrostatic discharge.

However, the above method has the following problems: on the one hand, the installation and disassembly of the electrostatic sheet is relatively difficult, and it takes more time to assemble and the cost is high; on the other hand, it occupies a large space inside the vacuum cleaner.

Utility model content

In order to overcome the defects in the prior art, an embodiment of the present invention provides a vacuum cleaner, comprising: a dust collecting bucket, when the vacuum cleaner is working, the dust collecting bucket collects static electricity; a handpiece, the handpiece is arranged on the the top of the dust collecting bucket, and the machine head is connected to the dust collecting bucket; a socket, the socket is installed on the machine head, and the socket includes a grounding device; a static-conducting part, the static-conducting part is connected to the The dust collecting bucket is in contact with and is electrically connected to the grounding device, and the static electricity on the dust collecting bucket is transmitted to the grounding device by the electrostatic conductive member; the handpiece further includes a base, and the dust collecting bucket It is connected with the base and defines a dust collecting cavity, at least part of the electrostatic conducting member is arranged in the dust collecting cavity, and the electrostatic conducting member is installed on the base.

Further, the base includes a first through hole, the handpiece further includes an upper cover, the upper cover and the base define a cavity, the electrostatic conductive member further includes a ground terminal, and the ground terminal Passing through the first through hole and extending to the cavity, the ground terminal is electrically connected to the ground device.

Further, the base and/or the dust collecting bucket is provided with a limiting structure, and the limiting structure cooperates with the electrostatic conducting member to fix the electrostatic conducting member.

Further, the limiting structure includes a first limiting portion, and the first limiting portion can cooperate with the electrostatic conducting member to restrict the electrostatic conducting member from moving in the direction of gravity.

Further, the first limiting portion is disposed on the base, the first limiting portion is configured as a support surface, and the static conductive member further includes a first hook portion for installing the static conductive member to the When the base is installed, the first hook portion passes through the first through hole and is supported by the support surface to limit the movement of the static conductive member in the direction of gravity.

Further, the static conductive member further includes a second hook portion, the second hook portion is disposed below the first hook portion, the base further includes a lower surface, and the lower surface faces the dust collector When the static conductive member is installed on the base, the second hook portion contacts the lower surface to limit the movement of the static conductive member in the opposite direction of the direction of gravity.

Further, the first hook portion includes an end surface and an inclined surface disposed above the end surface, the inclined surface is disposed inclined downward, the end surface can be in contact with the support surface, and the electrostatic conductive member is installed on the base , the inclined surface moves along the inner wall of the first through hole until the first hook portion passes through the first through hole.

Further, the limiting structure further includes a second limiting portion, and the second limiting portion can cooperate with the electrostatic conducting member to restrict the movement of the electrostatic conducting member in the opposite direction of the direction of gravity.

Further, the second limiting portion is disposed on the base, and the second limiting portion is configured as a bump. When the electrostatic conductive member is installed on the base, the second limiting portion located above the static conductive member.

Further, the base further includes a third limiting portion, the third limiting portion is configured as a column, and the static conductive member further includes a second through hole, and the second through hole is sleeved on the first through hole. Two limit parts.

The beneficial effects of the present utility model are as follows:

The vacuum cleaner of the present invention comprises a dust collecting bucket and a handpiece arranged above the dust collecting bucket. The handpiece is provided with a socket, and the static electricity accumulated on the dust collecting bucket is released through the grounding device on the socket. There is no need to separately provide a grounding device for eliminating static electricity accumulated on the dust collecting bucket, thereby simplifying the structure of the vacuum cleaner and reducing the cost.

Further, the electrostatic conducting element is arranged in the dust collecting cavity defined by the base and the dust collecting bucket, and the electrostatic conducting element is installed on the base, so that the electrostatic conducting element does not occupy the space in the machine head, and it is convenient for other devices to be installed in the machine head. Installation of components inside the head.

Further, the base and/or the dust collecting bucket is provided with a limit structure, and the limit structure cooperates with the electrostatic conducting member to fix the electrostatic conducting member, so that the electrostatic conducting member of the present invention can be stably stabilized without screws and other accessories. Mounted on the base for easy assembly and low cost.

In order to make the above-mentioned and other objects, features and advantages of the present invention more obvious and easy to understand, the preferred embodiments are exemplified below, and are described in detail as follows in conjunction with the accompanying drawings.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the whole machine schematic diagram of the vacuum cleaner in the embodiment of the present utility model;

Fig. 2 is the structural schematic diagram of the head of the vacuum cleaner in the embodiment of the present invention;

Fig. 3 is a partial enlarged view of part A in Fig. 2;

Fig. 4 is the first sectional schematic diagram of the vacuum cleaner in the embodiment of the present invention;

Fig. 5 is a partial enlarged view of part B in Fig. 4;

Fig. 6 is a partial enlarged view of part C in Fig. 4;

Fig. 7 is the structural schematic diagram of the electrostatic conducting member of the vacuum cleaner in the embodiment of the present invention;

8 is a second schematic cross-sectional view of the vacuum cleaner in the embodiment of the present invention;

Fig. 9 is a partial enlarged view of part D in Fig. 8;

10 is a schematic structural diagram of the vacuum cleaner after removing the upper cover in the embodiment of the present utility model;

FIG. 11 is a partial enlarged view of part E in FIG. 10 .

detailed description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "bottom", "inside", "outside", etc. is based on the orientation or position shown in the accompanying drawings The relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second", etc., may expressly or implicitly include one or more of that feature.

In order to achieve the above purpose, the present utility model provides a vacuum cleaner. In a preferred embodiment, the vacuum cleaner is specifically a bucket vacuum cleaner. Of course, in other embodiments, it can also be a vertical vacuum cleaner and other types of vacuum cleaners. Limited to bucket cleaners only.

Please refer to FIG. 1-FIG. 11 in detail. The vacuum cleaner includes a dust collecting bucket 1. The dust collecting bucket 1 is provided with a suction port 10. When the vacuum cleaner is working, the dust-laden airflow enters the dust collecting bucket 1 through the suction port 10. , the dust-laden airflow rubs against the barrel wall of the dust collecting bucket 1 and generates static electricity. When the vacuum cleaner works for a long time, the dust collecting bucket 1 will accumulate static electricity. The vacuum cleaner further includes a handpiece 2, the handpiece 2 is disposed above the dust collecting bucket 1, and the handpiece 2 is connected with the dust collecting bucket 1, and the handpiece 2 includes a base 21 and a The upper cover 22 installed on the base 21, the base 21 and the upper cover 22 define a cavity 23, usually, a motor (not shown) can be installed in the cavity 23, and the vacuum cleaner The impeller (not shown) is driven to rotate by the motor to perform the cleaning operation.

The vacuum cleaner further includes a socket 3 , and the socket 3 is mounted on the handpiece 2 . Specifically, in a preferred embodiment of the present invention, the vacuum cleaner further includes a plug 5, and the plug 5 is connected to an external socket, so that an external power source can supply power to the vacuum cleaner. Through the socket 3, the vacuum cleaner can also supply power to an external electrical appliance. The external electrical appliance can be a hand-held vacuum cleaner, a hair dryer, etc. The external electrical appliance can be connected to the socket 3, and the external power supply is powered by the vacuum cleaner. The above-mentioned external electrical appliance is used for power supply, so that, on the one hand, when performing cleaning operations, the user can connect other cleaning tools to the vacuum cleaner as needed to assist in the operation to improve the cleaning efficiency; on the other hand, in daily life, the user can clean While working, use other household appliances at the same time, thus saving time and improving user experience.

The socket 3 also includes a grounding device (not shown), and the static electricity accumulated on the dust collecting bucket 1 is released through the grounding device. In this way, on the one hand, the phenomenon of electrostatic thumping is avoided and the user experience is improved; In one aspect, the vacuum cleaner of the present invention does not need to be separately provided with a grounding device for eliminating static electricity accumulated on the dust collecting bucket, thereby simplifying the structure of the vacuum cleaner and reducing costs. The vacuum cleaner further includes a static-conducting member 6 , which is in contact with the dust collecting bucket 1 and is electrically connected to the grounding device. delivered to the grounding device and released by the grounding device. In a preferred embodiment of the present invention, the electrostatic conducting member 6 is configured as a metal sheet, and the electrostatic conducting member 6 includes a grounding end 64, and the grounding end 64 is electrically connected to the grounding device through a connection terminal.

The dust collecting bucket 1 is connected to the base 21 and defines a dust collecting chamber 11 . At least part of the electrostatic conducting member 6 is arranged in the dust collecting chamber 11 , and the electrostatic conducting member 6 is detachably installed in the dust collecting chamber 11 . the base 21 . In a preferred embodiment of the present invention, when the electrostatic conducting member 6 is installed, the electrostatic conducting member 6 is installed to the base 21 from below the base 21 , and the electrostatic conducting member 6 is installed on the base 21 . 6 is accommodated in the dust collecting chamber 11 , so that the static conductive member 6 of the present invention does not occupy the space in the machine head 2 , which facilitates the placement of other components in the machine head 2 .

The base 21 and/or the dust collecting bucket 1 is provided with a limiting structure, and the limiting structure cooperates with the electrostatic conducting member 6 to fix the electrostatic conducting member 6 . The limiting structure includes a first limiting portion 81 , and the first limiting portion 81 can cooperate with the electrostatic conducting member 6 to limit the movement of the electrostatic conducting member 6 along the direction of gravity. Specifically, in the preferred embodiment of the present invention, the base 21 includes a first through hole 211 , and the ground end 64 of the electrostatic conductive member 6 passes through the first through hole 211 and extends to the hollow In the cavity 23, the grounding terminal 64 is electrically connected to the grounding device through a wire. The first limiting portion 81 is disposed on the base 21 , and the first limiting portion 81 is configured as a support surface. The electrostatic conducting member 6 further includes a first hook portion 62 for installing the electrostatic conducting member. 6 When reaching the base 21, the first hook portion 62 passes through the first through hole 211 and is supported by the supporting surface to restrict the movement of the static conductive member 6 in the direction of gravity, and passes through the first through hole 211. A limiting portion 81 can limit the position of the electrostatic conducting member 6 . It should be noted that the base 21 further includes an upper surface 212 and a lower surface 213 corresponding to the upper surface 212, the upper surface 212 faces the cavity 23, and the lower surface 213 faces the set In the dust chamber 11 , in a preferred embodiment of the present invention, the supporting surface is disposed on the upper surface 212 , and the supporting surface and the upper surface 212 are integrally formed.

Further, the first hook portion 62 includes an end surface 622 and an inclined surface 621 disposed above the end surface 622 . The inclined surface 621 is inclined downward. When the static conductive member 6 is installed on the base 21 , The end surface 622 is in contact with the supporting surface to limit the movement of the electrostatic conducting member 6 in the direction of gravity. When the static conductive member 6 is installed on the base 21 , the inclined surface 621 moves along the inner wall of the first through hole 211 until the first hook portion 62 passes through the first through hole 211 . Through the cooperation between the inclined surface 621 and the inner wall of the first through hole 211 , the first hook portion 62 can easily pass through the first through hole 211 , so that the electrostatic conductive member 6 can be easily installed in any place. The base 21 is used to improve the installation efficiency of the static conductive member 6 .

The limiting structure further includes a second limiting portion 82 , and the second limiting portion 82 can cooperate with the electrostatic conducting member 6 to limit the movement of the electrostatic conducting member 6 in the opposite direction of the direction of gravity. Specifically, the second limiting portion 82 is disposed on the base 21 , and the second limiting portion 82 is configured as a bump. When the electrostatic conductive member 6 is installed on the base 21 , the The second limiting portion 82 is located above the electrostatic conducting member 6 , and the electrostatic conducting member 6 is in contact with the second limiting portion 82 . The second limiting portion 82 can limit the movement of the electrostatic conducting member 6 in the opposite direction of the direction of gravity, thereby further limiting the electrostatic conducting member 6 to make the electrostatic conducting member 6 more stable installed on the base 21 . It should be noted that in other embodiments, the second limiting portion may also be disposed on the lower surface 213 of the base 21 , and correspondingly, the static conductive member 6 further includes a second hook portion (not shown), the second hook portion is disposed below the first hook portion 62 . When the static conductive member 6 is installed on the base 21 , the second hook portion and the lower surface 213 contacts to limit the movement of the electrostatic conducting member 6 in the opposite direction of the direction of gravity, so that the electrostatic conducting member 6 is more stably installed on the base 21 .

The limiting structure further includes a third limiting portion 83 , the third limiting portion 83 is configured as a column, and the electrostatic conductive member 6 further includes a second through hole 61 , the second through hole 61 is sleeved on the the third limiting portion 83 . Specifically, during the installation of the static-conducting member 6 , by firstly setting the second through hole 61 on the third limiting portion 83 , it is convenient to determine the accurate installation of the static-conducting member 6 . position, which further facilitates the installation of the electrostatic conducting member 6 . Of course, it should be noted that, in an embodiment of the present invention, the third limiting portion 83 can also be clamped to the second through hole 61 , so that when the electrostatic conducting member 6 is installed When being on the base 21, the third limiting portion 83 can further limit the electrostatic conducting member 6, and the electrostatic conducting member 6 is more stably installed on the base 21.

Further, the static conductive member 6 further includes a fitting end 65, and the fitting end 65 is in contact with the dust collecting bucket 1. Specifically, the fitting end 65 is clamped between the dust collecting bucket 1 and the dust collecting bucket 1. Between the bases 21 , on the one hand, the electrostatic conducting member 6 is electrostatically connected to the dust collecting bucket 1 ; on the other hand, when the electrostatic conducting member 6 is installed on the base 21 , The dust collecting bucket 1 and the base 21 limit the fitting end 65 at the same time, so that the electrostatic conductive member 6 is more stably installed on the vacuum cleaner. It should be noted that it is only an embodiment that the fitting end 65 is clamped between the dust collecting bucket 1 and the base 21. In other embodiments, the fitting end 65 and the The walls of the dust collecting bucket 1 only need to be in contact with each other.

The principles and implementations of the present utility model are described with specific embodiments in the present utility model, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present utility model; meanwhile, for those skilled in the art , according to the idea of the present utility model, there will be changes in the specific implementation and application scope. To sum up, the content of this specification should not be construed as a limitation to the present utility model.

Claims

A vacuum cleaner comprising:

A dust collecting bucket, when the vacuum cleaner works, the dust collecting bucket accumulates static electricity;

a handpiece, the handpiece is arranged above the dust collecting bucket, and the handpiece is connected to the dust collecting bucket;

a socket, the socket is mounted on the handpiece, and the socket includes a grounding device;

a static-conducting component, the static-conducting component is in contact with the dust collecting bucket and is electrically connected to the grounding device, and the static electricity on the dust collecting bucket is transferred to the grounding device by the static-conducting component;

It is characterized in that the handpiece further includes a base, the dust collecting bucket is connected to the base and defines a dust collecting cavity, at least part of the electrostatic conducting parts are arranged in the dust collecting cavity, and the electrostatic conducting mounted on the base.
The vacuum cleaner according to claim 1, wherein the base includes a first through hole, the handpiece further includes an upper cover, and the upper cover and the base define a cavity, and the static conductive The component further includes a ground terminal, the ground terminal passes through the first through hole and extends to the cavity, and the ground terminal is electrically connected to the ground device.
The vacuum cleaner according to claim 2, wherein the base and/or the dust collecting bucket is provided with a limiting structure, and the limiting structure cooperates with the electrostatic conducting member to fix the electrostatic conducting member.
The vacuum cleaner according to claim 3, wherein the limiting structure comprises a first limiting portion, and the first limiting portion can cooperate with the electrostatic conducting member to restrict the electrostatic conducting member along the direction of gravity sports.
The vacuum cleaner according to claim 4, wherein the first limiting portion is disposed on the base, the first limiting portion is configured as a support surface, and the static conductive member further comprises a first hook portion , when the static conductive member is installed on the base, the first hook portion passes through the first through hole and is supported by the support surface to restrict the static conductive member from moving in the direction of gravity.
The vacuum cleaner according to claim 5, wherein the static conductive member further comprises a second hook portion, the second hook portion is disposed below the first hook portion, and the base further comprises a lower surface , the lower surface faces the dust collection chamber, and when the electrostatic conducting member is installed on the base, the second hook portion contacts the lower surface to limit the electrostatic conducting member in the opposite direction of the direction of gravity sports.
The vacuum cleaner according to claim 5, wherein the first hook portion comprises an end surface and an inclined surface disposed above the end surface, the inclined surface is inclined downward, and the end surface can be in contact with the support surface, When the static conductive member is installed on the base, the inclined surface moves along the inner wall of the first through hole until the first hook portion passes through the first through hole.
The vacuum cleaner according to claim 3, wherein the limiting structure further comprises a second limiting portion, and the second limiting portion can cooperate with the electrostatic conducting member to limit the electrostatic conducting member along the gravity Movement in the opposite direction of the direction.
The vacuum cleaner according to claim 8, wherein the second limiting portion is disposed on the base, and the second limiting portion is configured as a bump, and the electrostatic conductive member is mounted on the base. When seated, the second limiting portion is located above the electrostatic conducting member.
The vacuum cleaner according to claim 8, wherein the base further includes a third limiting portion, the third limiting portion is configured as a column, the static conductive member further includes a second through hole, the The second through hole is sleeved on the second limiting portion.