WO2022000839A1

WO2022000839A1 - Vacuum cleaner

Info

Publication number: WO2022000839A1
Application number: PCT/CN2020/118860
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: CN213189350U

Abstract

Provided is a vacuum cleaner, including: 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), 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), the socket (3) including a grounding apparatus; an electrostatic conductive member (6), the electrostatic conductive member (6) is in contact with the dust-collecting drum (1) and is electrically connected to the grounding apparatus, and the static electricity on the dust-collecting drum (1) is transferred to the grounding apparatus by the electrostatic conductive member (6); the machine head (2) also includes a base (21) and an upper cover (22) mounted on the base (21), the base (21) and the upper cover (22) define a cavity (23), at least part of the electrostatic conductive member (6) is disposed in the cavity (23), and the electrostatic conductive member (6) is detachably mounted on the base (21). The electrostatic conductive member (6) of the vacuum cleaner is arranged in the cavity (23) defined by the base (21) and the upper cover (22), and the electrostatic conductive member (6) is detachably mounted on the base (21), thus the electrostatic conductive member (6) is easy to mount and detach.

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 the assembly takes more time and the cost is high; on the other hand, it is difficult for the user to replace it by himself, which affects the user experience.

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 transferred to the grounding device by the electrostatic conductive member; the handpiece further comprises a base and a base mounted on the base The upper cover of the seat, the base and the upper cover define a cavity, at least part of the electrostatic conducting member is arranged in the cavity, and the electrostatic conducting member is detachably mounted on the base.

Further, the static conductive member includes a first matching portion, the base includes a second matching portion, and the first matching portion cooperates with the second matching portion so that the static conductive member is detachable mounted on the base.

Further, one of the first matching portion and the second matching portion includes a first through hole and a second through hole communicating with the first through hole, and the diameter of the second through hole is smaller than the diameter of the second through hole. The diameter of the first through hole, the first matching portion and the second matching portion include positioning posts, wherein, when the static conductive member is installed on the base, the positioning posts are free to pass through. Through the first through hole and from the first through hole into the second through hole, the positioning post entering the second through hole is restricted from moving in at least one direction.

Further, the positioning column freely passes through the first through hole along a first direction and enters the second through hole from the first through hole along a second direction perpendicular to the first direction, and then enters the second through hole. The positioning post in the second through hole is restricted from moving in the first direction.

Further, the first through hole is communicated with the second through hole through a moving channel, and the positioning post enters the second through hole from the first through hole through the moving channel.

Further, one of the first matching portion and the second matching portion includes a first through hole and an elastic piece, and the other of the first matching portion and the second matching portion includes a positioning column, and the installation When the static conductive member is attached to the base, the positioning post passes through the first through hole, and the elastic sheet cooperates with the positioning post to limit the separation of the static conductive member from the base.

Further, the cavity is further provided with a limiting portion, and the limiting portion can cooperate with the electrostatic conducting member to restrict the movement of the positioning column in the second direction.

Further, the electrostatic conductive member further includes a ground terminal, the ground terminal is electrically connected to the grounding device through a connection terminal, and when the ground terminal is electrically connected to the grounding device through the connection terminal, the connection terminal against the positioning post, so that the positioning post is restricted from moving in the second direction.

Further, the limiting portion is disposed on the upper cover, the electrostatic conductive member includes an extension portion, the extension portion extends in a vertical direction, and the extension portion is clamped between the limiting portion and the between the bases.

Further, the static conductive member is configured as a metal sheet, and the static conductive member further includes a mating end, and the mating end is clamped between the dust collecting bucket and the base.

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 set up a grounding device for eliminating static electricity accumulated on the dust collecting bucket, thereby simplifying the structure of the vacuum cleaner and reducing costs.

Further, the machine head also includes a base and an upper cover installed on the base, at least part of the electrostatic conductive sheet is disposed in the cavity defined by the upper cover and the base, the electrostatic conductive member includes a first fitting portion, and the base includes a second Two mating parts, the first mating part cooperates with the second mating part, so that the electrostatic conducting member can be detachably installed on the base, so that the electrostatic conducting member of the present invention is installed to the base from the top of the base, and it is easy to Installation and removal.

Further, one of the first matching portion and the second matching portion includes a first through hole and a second through hole communicating with the first through hole, the diameter of the first through hole is larger than that of the second through hole, and the first through hole is larger than the second through hole. The mating portion and the second mating portion further include positioning posts. When the electrostatic conductive member is installed, the positioning posts freely pass through the first through holes and enter the second through holes from the first through holes and into the second through holes. The positioning column in the locator is restricted from moving in at least one direction. By firstly setting the first through hole on the positioning post, it is convenient to determine the exact installation position of the static electricity conducting member, which further facilitates the installation of the static electricity conducting member.

Further, the static-conducting member is also provided with a shrapnel, which cooperates with the positioning post to restrict the electrostatic-guiding member from falling out of the connecting portion. Therefore, after the electrostatic-guiding member of the present invention is installed on the base, it is further limited in position and guides the static electricity. The electrostatic element is more stably mounted on the base.

Further, the electrostatic conducting element of the present invention is fixed on the base by cooperating with the upper cover and the base, without the need for accessories such as screws, which is convenient for assembly and reduces costs.

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.

1 is a schematic diagram of the overall structure of the vacuum cleaner in the embodiment of the present utility model;

2 is a schematic structural diagram of the vacuum cleaner after removing the upper cover in the first embodiment of the present invention;

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

4 is a schematic cross-sectional view of the vacuum cleaner in the first 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;

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

FIG. 8 is a partial enlarged view of part D in FIG. 7 .

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. 8 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 4 can be arranged in the cavity 23, and the vacuum cleaner passes the motor 4. Drive the impeller (not shown) to rotate for vacuuming.

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 is connected to the socket 3, and the external power supply is supplied to the The external electrical appliance is powered, 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 cleaning efficiency; on the other hand, in daily life, the user can perform cleaning operations. When using other household appliances at the same time, it saves time and improves the 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. Further, the electrostatic conductive member 6 further includes a contact end 65, and the contact end 65 is in contact with the dust collecting bucket 1. Specifically, the contacting end 65 is clamped between the dust collecting bucket 1 and the base. Between the seats 21, on the one hand, the electrostatic conducting member 6 is electrostatically connected with the dust collecting bucket 1; on the other hand, the electrostatic conducting member 6 is more stably installed on the vacuum cleaner. It should be noted that it is only an embodiment that the contact end 65 is clamped between the dust collecting bucket 1 and the base 21. In other embodiments, the contact end 65 and the dust collecting The barrel walls of the barrel 1 only need to be in contact with each other.

At least a part of the static conductive member 6 is disposed in the cavity 23 , and the static conductive member 6 is detachably mounted on 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 above the base 21 , and the electrostatic conducting member 6 is installed on the base 21 . Including a first matching portion, the base 21 includes a second matching portion, the first matching portion and the second matching portion cooperate to make the static conductive member 6 detachably installed on the base 21. In this way, the electrostatic conducting member 6 of the present invention is easy to install and disassemble, saving assembly time.

In the first embodiment of the present invention, one of the first matching portion and the second matching portion includes a first through hole 61 and a second through hole 62 communicating with the first through hole 61 , the hole diameter of the second through hole 62 is smaller than the hole diameter of the first through hole 61 , and the first matching part and the second matching part further include a positioning post 211 , wherein the electrostatic conduction is installed When the component 6 is connected to the base 21 , the positioning post 211 freely passes through the first through hole 61 and enters the second through hole 62 from the first through hole 61 and into the second through hole The positioning posts 211 in 62 are restricted from moving in at least one direction. Specifically, the first through hole 61 and the second through hole 62 are disposed on the electrostatic conductive member 6 , and the positioning column 211 is disposed on the base 21 . A moving channel 63 is further provided between the first through hole 61 and the second through hole 62 , and through the moving channel 63 , the positioning post 211 can be connected to the first through hole 62 through the second through hole 62 . move between holes 61 . When installing the static conductive member 6 to the base 21 , the positioning posts 211 freely pass through the first through holes 61 along a first direction and extend from the The first through hole 61 enters the second through hole 62 , and the positioning post 211 entering the second through hole 62 is restricted from moving in the first direction. In a preferred embodiment of the present invention, the diameter of the first through hole 61 is larger than the outer diameter of the positioning column 211 . The through hole 61 is sleeved on the positioning column 211 , and a thrust is applied to the static conductive member 6 to make the positioning column 211 move along the moving channel 63 . When the positioning column 211 moves to the second through hole When the hole 62 is in the position of the hole 62 , since the diameter of the second through hole 62 is smaller than the outer diameter of the positioning column 211 , the positioning column 211 is clamped in the second through hole 62 . When the electrostatic element 6 is installed on the base 21 , the cooperation between the second through hole 62 and the positioning post 211 limits the separation of the static conductive element 6 from the base 21 . It should be noted that, in the preferred embodiment of the present invention, the inner diameter of the moving channel 63 is smaller than the outer diameter of the positioning column 211 , so that when the positioning column 211 moves along the moving channel 63 , The part of the positioning column 211 in contact with the moving channel 63 is worn out. When the positioning column 211 moves to the position of the second through hole 62 , the positioning column 211 is not in contact with the moving channel 63 . The outer diameter of the portion is larger than the inner diameter of the second through hole 62 , thereby further restricting the separation of the electrostatic conducting member 6 from the base 21 , and the electrostatic conducting member 6 can be more stably installed on the base Block 21. Of course, it should also be noted that, in other embodiments, the first through hole 61 and the second through hole 62 may also be disposed on the base 21 , and correspondingly, the positioning post 211 is disposed on the base 21 . The static conductive member 6 .

In the second embodiment of the present invention, one of the first matching portion and the second matching portion includes a first through hole 61 and an elastic piece 64 , and the first matching portion and the second matching portion include a first through hole 61 and an elastic piece 64 . The other part of the mating part includes a positioning column 211 . When the static conductive member 6 is installed on the base 21 , the positioning column 211 passes through the first through hole 61 , and the elastic piece 64 is connected to the positioning column. 211 is matched to limit the separation of the electrostatic conductive member 6 from the base 21 . Specifically, in the second embodiment of the present invention, the static conductive member 6 may also include only the first through hole 61 but not the second through hole 62, and the positioning post 211 is provided with on the base 21 . The diameter of the first through hole 61 is smaller than the outer diameter of the positioning post 211 . When installing the static conductive member 6 to the base 21 , the positioning posts 211 are in an interference fit with the first through holes 61 , so that the positioning posts 211 are held in the first through holes 61 . . Further, the elastic piece 64 is elastically deformed and pushes against the positioning post 211 to restrict the separation of the static conductive member 6 from the base 21 , so that the static conductive member 6 is stably installed on the base Block 21. Of course, it should be noted that in other embodiments, the diameter of the first through hole 61 may also be greater than or equal to the outer diameter of the positioning column 211 . When the electrostatic conductive member 6 is installed on the base At 21, the position is limited only by the cooperation of the elastic piece 64 and the positioning column 211 .

Further, a limiting portion 222 is further provided in the cavity 23 , and the limiting portion 222 can cooperate with the electrostatic conducting member 6 to restrict the movement of the positioning post 211 in the second direction. Specifically, in a preferred embodiment of the present invention, the limiting portion 222 is disposed on the upper cover 22 , and the electrostatic conducting member 6 further includes an extension portion 66 extending in a vertical direction, And the extension portion 66 is clamped between the limiting portion 22 and the base 21 , so that when the electrostatic conductive member 6 is installed on the base 21 , the upper cover 22 is connected to the base 21 . When the base 21 is connected, the upper cover 22 can further limit the static conductive member 6, so that the positioning post 211 is restricted from moving in the second direction, so that the static conductive member 6. It is more stably installed on the base 21, and the static conductive member 6 of the present invention is fixed on the base 21 by cooperating with the upper cover 22 and the base 21, without screws and other accessories, which is convenient for assembly and reduce costs. It should be noted that, in other embodiments, the limiting portion (not shown) may also be disposed between the grounding end 64 and the positioning post 211 , and the grounding end 64 passes through a wiring terminal When electrically connected to the grounding device, the connection terminal abuts against the positioning post 211, so that the positioning post 211 is restricted from moving in the second direction, so that the static conductive member 6 is more stable. It is stably mounted on the base 21 .

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 and an upper cover mounted on the base, the base and the upper cover define a cavity, and at least part of the electrostatic conducting member is arranged in the cavity , and the static conductive member is detachably mounted on the base.
The vacuum cleaner according to claim 1, wherein the static conductive member includes a first matching portion, the base includes a second matching portion, and the first matching portion is connected with the second matching portion. The parts cooperate so that the electrostatic conductive member is detachably mounted on the base.
The vacuum cleaner according to claim 2, wherein one of the first matching portion and the second matching portion includes a first through hole and a second through hole communicating with the first through hole, The hole diameter of the second through hole is smaller than the hole diameter of the first through hole, and the first matching part and the second matching part further include a positioning column, wherein the electrostatic conductive member is installed to the When the base is installed, the positioning posts freely pass through the first through holes and enter the second through holes from the first through holes, and the positioning posts entering the second through holes are at least in one direction Movement is restricted.
The vacuum cleaner according to claim 3, wherein the positioning post freely passes through the first through hole in a first direction and extends from the first through hole in a second direction perpendicular to the first direction Entering the second through hole, the positioning column entering the second through hole is restricted from moving in the first direction.
The vacuum cleaner according to claim 3, wherein the first through hole is communicated with the second through hole through a moving channel, and the positioning post moves from the first through hole through the moving passage. A channel enters the second through hole.
The vacuum cleaner according to claim 2, wherein one of the first matching portion and the second matching portion includes a first through hole and an elastic sheet, and the first matching portion and the second matching portion include a first through hole and an elastic sheet. The other part of the mating part includes a positioning column. When the static conductive member is installed on the base, the positioning column passes through the first through hole, and the elastic sheet cooperates with the positioning column to limit the static electricity conduction. The piece is separated from the base.
The vacuum cleaner according to claim 4, wherein the cavity is further provided with a limiting portion, and the limiting portion can cooperate with the electrostatic conductive member so that the positioning post is blocked in the second direction. Limit movement.
The vacuum cleaner according to claim 4, wherein the electrostatic conductive member further comprises a grounding terminal, the grounding terminal is electrically connected to the grounding device through a wiring terminal, and the grounding terminal is connected to the grounding terminal through a wiring terminal. When the grounding device is electrically connected, the connection terminal abuts against the positioning post, so that the positioning post is restricted from moving in the second direction.
The vacuum cleaner according to claim 7, wherein the limiting portion is disposed on the upper cover, the electrostatic conductive member includes an extension portion, the extension portion extends in a vertical direction, and the extension portion clamps held between the limiting portion and the base.
The vacuum cleaner according to claim 1, wherein the electrostatic conductive member is configured as a metal sheet, and the electrostatic conductive member further comprises a mating end, and the mating end is clamped to the dust collecting bucket and the between the bases.