WO2020038423A1

WO2020038423A1 - Vacuum cleaner

Info

Publication number: WO2020038423A1
Application number: PCT/CN2019/101872
Authority: WO
Inventors: 葛安; 张士松; 徐静涛; 庞晓丽
Original assignee: 苏州宝时得电动工具有限公司
Priority date: 2018-08-22
Filing date: 2019-08-22
Publication date: 2020-02-27
Also published as: CN110856628A; CN211243161U

Abstract

A vacuum cleaner, comprising a movable base (100) and a handheld device (200). The movable base (100) comprises a seat (110) and a first battery pack (120), the first battery pack (120) being provided on the seat (110). The movable base (100) is provided with a first suction port (1401). The handheld device (200) is detachably fixed on the movable base (100). The handheld device (200) has a second battery pack (230) and a second suction port (210). After the handheld device (200) is fixed on the movable base (100), the second suction port (210) is communicated with the first suction port (1401), and the first battery pack (120) is electrically connected to the first battery pack (230). The handheld device (200) can be independently used for dust removal or the handheld device (200) cooperates with the movable base (100) for dust removal. The handheld device (200) features the advantages of light weight and flexible operations when being used independently. When the handheld device (200) cooperates with the movable base (100), the first battery pack (120) is electrically connected to the second battery pack (230), such that a single operation duration of a vacuum cleaner is extended.

Description

vacuum cleaner

This application claims priority from a Chinese patent application with a filing date of August 22, 2018, application number 2018213598430, and an invention name of "vacuum cleaner", the entire contents of which are incorporated herein by reference.

Technical field

The invention belongs to the field of cleaning technology, and particularly relates to a vacuum cleaner.

Background technique

Vacuum cleaners are widely used in the cleaning of indoor and outdoor and car interiors. Vacuum cleaners are classified according to shape and can be divided into horizontal, vertical, and handheld. The traditional vacuum cleaner has a single function. Among them, the vertical vacuum cleaner is suitable for cleaning a large area but is not flexible to use, and generally the vertical vacuum cleaner uses AC power. The handheld vacuum cleaner is easy to clean the wall, sofa, window sill, tabletop, electrical appliances, etc., but the single continuous cleaning time is short. It is difficult for a single vacuum cleaner to take into account the flexible use and cleaning time. In the household cleaning process, the operator often needs to use multiple vacuum cleaners to complete the cleaning work.

Summary of the Invention

Aiming at the problem that conventional vacuum cleaners are difficult to take into account both flexible use and long cleaning time, the present invention provides a vacuum cleaner with flexible operation and a long-time cleaning time.

To achieve the above objective, the technical solution of the present invention is:

A vacuum cleaner includes:

A mobile base including a base body and a first battery pack, the first battery pack is disposed on the base body, and the mobile base is provided with a first suction port;

A handheld device detachably fixed to the mobile base, the handheld device having a first battery pack and a second suction port;

After the handset is fixed to the mobile base, the second suction port is in communication with the first suction port, and the first battery pack is electrically connected to the first battery pack.

Further, the base body includes a first dust collection chamber, the first dust collection chamber has a dust collection inlet and a dust collection outlet, the dust collection inlet is in communication with the first suction inlet, and the handset is fixed to After the moving base, the second suction port is in communication with the dust collection outlet.

Further, the mobile base further includes a first vacuum source, the first vacuum source is in communication with the dust collection outlet, and the first vacuum source is electrically connected to the first battery pack.

Further, the first dust collecting chamber further includes a first filter, the first filter is disposed in the first dust collecting chamber, and the first filter is disposed at the dust collecting outlet along a gas flow direction Upstream.

Further, the first battery pack is pluggably connected to the base.

Further, the insertion direction of the first battery pack is parallel to the longitudinal extension axis of the base.

Further, after the handset is fixed to the mobile base, the first battery pack is connected in parallel with the second battery pack.

Further, a battery capacity of the first battery pack is larger than a battery capacity of the second battery pack.

Further, the voltage of the first battery pack is the same as the voltage of the second battery pack.

Further, the vacuum cleaner further includes a first tube portion, the first tube portion is fixedly disposed on the mobile base, the base includes a first dust collecting chamber, and the first dust collecting chamber has a dust collecting inlet and One end of the first tube portion is in communication with the dust collection outlet, and the other end of the first tube portion is detachably connected to the second suction port.

Further, the first pipe portion is fixedly disposed outside the mobile base, the vacuum cleaner further includes a connection pipe, and the connection pipe is located between the first dust collection chamber and the first pipe portion on an air flow path, and One end of the connecting pipe is in communication with the dust collecting outlet, and the other end of the connecting pipe is in communication with the first pipe portion.

Further, the mobile base further includes a first ground brush, the first ground brush is connected to the base, and the first suction port is provided on the first ground brush.

A vacuum cleaner includes:

A mobile base includes a base body and a first battery mounting base, the first battery mounting base is disposed on the base body for connecting a first battery pack, and the mobile base is provided with a first suction port;

A handheld device detachably fixed to the mobile base, the handheld device having a second suction port and a second battery mount for connecting a second battery pack;

After the handset is fixed to the mobile base, the second suction port is in communication with the first suction port.

Further, the mobile base further includes a first vacuum source, and the first vacuum source is in communication with the dust collection outlet.

Further, the first battery pack is pluggably connected to a first battery mount, and the first battery pack is electrically connected to the second battery pack.

Further, the first pipe portion is fixedly disposed outside the mobile base, the vacuum cleaner further includes a connection pipe, and the connection pipe is located between the first dust collection chamber and the first pipe portion on an air flow path, One end of the connecting pipe is in communication with the dust collecting outlet, and the other end of the connecting pipe is in communication with the first pipe portion.

The invention provides a vacuum cleaner. The handheld can be used alone for dust removal or the handheld and the mobile base can be used for dust removal. The handheld has the advantages of light weight and flexible operation when used alone. When the handheld is matched with the mobile base, the handheld is electrically connected to the first battery pack, which extends the single working time of the vacuum cleaner.

BRIEF DESCRIPTION OF THE DRAWINGS

The invention is further described below with reference to the drawings and embodiments.

FIG. 1 is a schematic perspective structural diagram of a vacuum cleaner according to a first embodiment of the present invention.

FIG. 2 is a schematic diagram showing the airflow direction of the vacuum cleaner according to the first embodiment of the present invention.

FIG. 3 is a schematic diagram of a three-dimensional structure of a handheld device in a vacuum cleaner according to a first embodiment of the present invention.

FIG. 4 is a schematic cross-sectional structure diagram of the handset of FIG. 3.

5 is a schematic structural diagram of a push-rod type vacuum cleaner composed of a handset, a pipe part, and a floor brush in the vacuum cleaner according to various embodiments of the present invention.

FIG. 6 is a schematic partial cross-sectional structure diagram of a vacuum cleaner according to a second embodiment of the present invention.

FIG. 7 is a schematic diagram of a three-dimensional structure of a vacuum cleaner according to a third embodiment of the present invention.

FIG. 8 is a schematic diagram of a three-dimensional structure of a vacuum cleaner according to a third embodiment of the present invention, indicating the airflow direction at another angle.

detailed description

The invention provides a vacuum cleaner which has a flexible operation and a long vacuum cleaning time.

Exemplary embodiments of the present invention will be described below with reference to the drawings. It should be understood that these specific descriptions are only used to teach those skilled in the art how to implement the present invention, not to exhaust all possible ways of the present invention, nor to limit the scope of the present invention.

It should be noted that when an element is referred to as being “fixed to” another element, it may be directly on the other element or there may be a centered element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only. The various objects in the drawings of the embodiments are drawn at a scale convenient for enumeration, rather than at the scale of actual components.

As shown in FIG. 1, the vacuum cleaner according to the first embodiment of the present invention includes a mobile base 100 and a handset 200. The handheld machine 200 cooperates with the mobile base 100 to form a vacuum cleaner according to the first embodiment of the present invention. The vacuum cleaner can be considered as the first vertical vacuum cleaner 600. The handheld device 200 is a portable vacuum cleaner, and the handheld device 200 is detachably fixed to the mobile base 100. The mobile base 100 includes a base body 110, a first battery mount, and a first battery pack 120 disposed on the first battery mount. The first battery mount is used to connect the first battery pack 120 and the first battery pack 120. Pluggably connected to the first battery mounting seat. The first battery mounting base may be a structure connected to the base body 110. The first battery pack 120 is disposed on the base body 110. The moving base 100 is provided with a first suction port 1401, and the first suction port 1401 is provided at the bottom of the base body 110. The mobile base 100 further includes a first floor brush 140, which is connected to the base 110. A first suction port 1401 is provided on the first ground brush 140. The first suction port 1401 is convenient for dust and debris. Wait to enter the base 110. Further, a moving wheel 130 is installed at the bottom of the moving base 100 to facilitate the movement of the moving base 100.

As shown in FIGS. 3 and 4, the handset 200 has a second suction port 210, a second motor 220, a second battery mount, a second battery pack 230, a dust cup 240 and a handle 250. The second battery mount is used for Connect the second battery pack 230. The second motor 220 is located between the dust cup 240 and the second suction port 210. The second suction inlet 210 is located on one side of the dust cup 240, the second battery pack 230 is located on the other side facing away from the dust cup 240 and the second suction port 210, and the second battery pack 230 is located below the handle 250. After the handset 200 is fixed to the mobile base 100, the second suction port 210 is in communication with the first suction port 1401, and the handset 200 is electrically connected to the first battery pack 120. In the above-mentioned vacuum cleaner, the handheld machine 200 can be used alone for dust removal or the handheld machine 200 and the mobile base 100 are used for dust removal. The handheld 200 has the advantages of light weight and flexible operation when used alone. When the handheld device 200 is matched with the mobile base 100, the handheld device 200 is electrically connected to the first battery pack 120, and two battery packs can be provided to meet the suction demand of the vacuum cleaner (vertical vacuum cleaner). At the same time, the first The second battery pack 230 only needs to be set to meet the requirements of normal working scenarios. The vacuum cleaner does not need to use AC power, does not need to be disconnected, and is easy to use.

As shown in FIG. 4, the dust cup 240 is provided with a cyclone separator 2401, a filter 2402 located inside the cyclone separator 2401, an ash cover 2403, and an ash button 2404 for controlling the opening of the ash cover 2403. The filter 2402 may be a Hypa filter. When the handheld 200 is used alone, the dust-containing airflow enters the dust cup 240 from the second suction port 210. After passing the cyclone 2401 filter, most of the dust particles are collected by the dust cup 240, and the airflow containing a small amount of dust is separated from the cyclone Several through holes on the surface of the filter 2401 enter the cyclone separator 2401 and continue to be filtered again by the filter 2402. The air filtered by the filter 2402 moves toward the second motor 220 and exits from the air outlet near the second motor 220 (not yet (Shown) discharge.

As shown in FIG. 2, when the handheld device 200 is used in conjunction with the mobile base 100, the handheld device 200 serves as a power source for vacuuming, and the airflow enters from the first suction port 1401 of the first floor brush 140 and passes through the second suction port of the handheld 200. 210 enters the handset 200. As an implementable manner, the first suction port 1401 and the second suction port 210 communicate with each other through an airflow channel, and the airflow channel is disposed in the base body 110. Optionally, the handheld device 200 is detachably fixed to the top of the mobile base 100 or other parts by means of snap connection, screw connection, or the like. In an embodiment of the present invention, the handheld device 200 is detachably fixed to the top of the mobile base 100 by means of a snap connection.

As shown in FIGS. 1 and 2, after the handset 200 is fixed to the mobile base 100, the first battery pack 120 is connected in parallel with the second battery pack 230 of the handset 200. In one embodiment, when the vacuum cleaner is operating, the first battery pack 120 and the second battery pack 230 supply power together, and at this time, the voltage of the first battery pack 120 and the second battery pack 230 are the same. Alternatively, the voltages of the first battery pack 120 and the second battery pack 230 may differ by 0.5V-1V, and the voltage difference does not affect the power supply of the two battery packs together. As an implementable manner, for example, the voltage of the second battery pack 230 in the handheld 200 is 20V, and the voltage of the first battery pack 120 is also 20V. When the first battery pack 120 and the second battery pack 230 are powered together, the current can be increased, the suction power of the vacuum cleaner can be increased, and the dust collection efficiency can be improved.

In another embodiment, when the vacuum cleaner is operating, the first battery pack 120 and the second battery pack 230 supply power together. At this time, the voltage of the first battery pack 120 and the second battery pack 230 are different and the voltage difference exceeds 1V. In order to prevent the high voltage battery pack from charging the low voltage battery pack, the high voltage battery pack can be discharged first, and then the first battery can be controlled when the voltage is the same or the voltage difference is within the range of 0.5V-1V. The pack 120 is powered together with the second battery pack 230. As an implementable method, the voltage of the second battery pack 230 in the handheld 200 is 20V, and the voltage of the first battery pack 120 is also 18V. The pack 230 is discharged, and then when the voltage of the second battery pack 230 is the same as the first battery pack 120 or the voltage difference between the first battery pack 120 and the first battery pack 120 is within 0.5V-1V, the first battery pack 120 and the second battery pack 120 can be controlled. The battery pack 230 supplies power together. In this embodiment, after the first battery pack 120 and the second battery pack 230 are powered together, the current can still be increased, thereby increasing the suction power of the vacuum cleaner and improving the dust collection efficiency.

In another embodiment, the vacuum cleaner has a working circuit. When the working current of the vacuum cleaner is less than the sum of the working current of the first battery pack 120 and the second battery pack 230, the single working time of the vacuum cleaner can be extended. As an implementable way, for example, the working current of the first battery pack 120 is 60A, the working current of the second battery pack 230 is 60A, and the working current of the vacuum cleaner is 80A, then when the first battery pack 120 and the second battery pack 120 When the battery pack 230 is powered together, the single working time of the vacuum cleaner can be extended.

It can be known from the description of the foregoing embodiment that if the vacuum cleaner controls the first battery pack 120 and the second battery pack 230 to supply power together, and the working current of the cleaner is set to be smaller than the working current of the first battery pack 120 and the operation of the second battery pack 230 The sum of the currents can not only increase the current through the first battery pack 120 and the second battery pack 230 for power supply, but also can increase the suction power of the vacuum cleaner, improve the vacuum efficiency, and extend the single working time of the vacuum cleaner. Compared with the existing conventional vertical vacuum cleaner, it not only solves the problem of trouble of disconnection, but also guarantees the suction power requirements of the vertical vacuum cleaner, and can extend the single working time of the vacuum cleaner through the parallel use of two battery packs.

In another embodiment, when the vacuum cleaner is operating, the first battery pack 120 and the second battery pack 230 supply power together. At this time, the voltage of the first battery pack 120 and the second battery pack 230 are different and the voltage difference exceeds 1V. In order to prevent the high-voltage battery pack from charging the low-voltage battery pack, you can first discharge the high-voltage battery pack. After the high-voltage battery pack reaches the discharge threshold, then control the low-voltage battery pack to discharge. After the low-voltage battery pack reaches the discharge threshold, the vacuum cleaner stops working. This setting can extend the single working time of the vacuum cleaner.

In one embodiment, the battery capacity of the first battery pack 120 is greater than the battery capacity of the second battery pack 230 in the handset 200, which can effectively extend the single dust removal time of the first vertical vacuum cleaner 600. As an implementable method, the voltage of the second battery pack 230 in the handheld 200 is 20V, and the voltage of the first battery pack 120 is also 20V. The battery capacity of the first battery pack 120 is greater than the battery capacity of the battery in the handheld 200 . In other embodiments, the batteries in the first battery pack 120 and the handset 200 may be voltages with other values. When the battery capacities of the first battery pack 120 and the second battery pack 230 are different, different over-current protections are respectively set on the circuit for the first battery pack 120 and the second battery pack 230.

In one embodiment, the first battery pack 120 is pluggable to the base 110, and the second battery pack 230 is also designed to be pluggable. The voltages of the first battery pack 120 and the second battery pack 230 are the same. When the handheld 200 is used alone for dust removal, if the second battery pack 230 has insufficient power, the first battery pack 120 may be pulled out, and the second battery pack 230 on the handheld 200 is replaced with the first battery pack 120 to continue using. It is possible to extend the working time of the handset 200 working alone. In a specific embodiment, in order to reduce the occupied volume of the whole machine in the width, the insertion and removal direction of the first battery pack 120 is parallel to the longitudinal extension axis of the base 110.

In one embodiment, the first battery pack 120 is connected in series with the second battery pack 230 of the handset 200. At this time, the voltage in series between the first battery pack 120 and the second battery pack 230 is the same as or similar to the rated voltage of the working motor. For example, the difference between the voltage of the first battery pack 120 and the second battery pack 230 in series and the rated voltage of the working motor is in the range of 0.5V-1V. When the working current of the vacuum cleaner is constant, the The battery pack 120 is connected in series with the second battery pack 230 of the handheld 200, which can extend the single working time of the vacuum cleaner.

As shown in FIG. 5, in an embodiment of the present invention, the vacuum cleaner further includes a second tube portion 301 and a second floor brush 400. The second tube portion 301 is a hollow structure, and one end of the second tube portion 301 and the second floor brush 400 communicates, the handset 200 is separated from the mobile base 100, and the other end of the second tube portion 301 is detachably connected to the second suction port 210 of the handset 200. The handheld 200 can be used alone as a portable vacuum cleaner, which is convenient and flexible. The handheld device 200, the second tube portion 301, and the second floor brush 400 can be used together as a pusher type vacuum cleaner 700. The combination of the handset 200 and the mobile base 100 can be used as the first vertical vacuum cleaner 600. The vacuum cleaner provided in this embodiment can be combined or changed according to the actual working conditions of the position being cleaned, thereby improving the comprehensive dust removal efficiency. Optionally, the second floor brush 400 includes one or more of a flat brush, a round brush, a long brush, and a flat suction nozzle. As an implementable manner, the second floor brush 400 is a set, including a flat brush, a round brush, a long brush, a flat nozzle and the like. The operator can select different types of second floor brushes 400 according to actual working conditions.

As shown in FIGS. 1 and 2, in one embodiment, the mobile base 100 further includes a first dust collecting chamber 170. The first dust collecting chamber 170 is disposed on the base body 110 and forms a part of the base body 110. The first dust collection chamber 170 has a dust collection inlet (not shown) and a dust collection outlet (not shown), and the dust collection inlet is in communication with the first suction inlet 1401. After the handset 200 is fixed to the mobile base 100, the second suction port 210 is in communication with the dust collection outlet of the first dust collection chamber 170. The handheld machine 200 as a portable vacuum cleaner has a dust cup 240 as a dust collecting chamber, but the volume of the dust cup 240 of the handheld machine 200 is generally small. The first dust collecting chamber 170 in the mobile base 100 has a larger volume and can accommodate more dust, debris, and the like. As shown in Figure 2, the arrows in the figure indicate the direction of airflow. After the handset 200 is fixed to the mobile base 100, the handset 200 is turned on. The handset 200 generates negative pressure, dust, debris, etc. in the airflow channel of the mobile base 100. It enters through the first suction port 1401 of the base body 110 and accumulates in the dust collection chamber through the air duct. The electrical connection between the handheld device 200 and the first battery pack 120 extends the single cleaning time of the first vertical vacuum cleaner 600. The first dust collecting chamber 170 is provided in the mobile base 100 to ensure that the first vertical vacuum cleaner 600 is in the process of dust removal. Continuity, there is no need to stop the process and dump out the dust or debris in the dust collection chamber due to the small volume of the dust collection chamber in the handheld 200 before continuing the dust removal operation. Optionally, the volume of the first dust collecting chamber 170 is designed according to actual working conditions.

The first dust collecting chamber 170 includes a first filter (not shown). The first filter is disposed in the first dust collecting chamber, and the first filter is disposed in a dust collecting outlet of the first dust collecting chamber 170 along a gas flow direction. Upstream. The first filter may be a Hippa filter or a single-stage cyclone. In other embodiments, in order to improve the separation efficiency, the first filter may be a multi-stage cyclone. The first filter can effectively filter the dust and sundries contained in the airflow flowing into the handheld 200, and ensure that most of the dust and sundries are accumulated in the large first dust collecting room, and the dust collecting room of the handheld 200 Only a small amount of dust accumulates. The two dust collection chambers in the first vertical vacuum cleaner 600 accumulate dust and debris according to the volume, which effectively ensures the coordinated operation of the handheld 200 and the mobile base 100, and prevents the dust collection chamber in the handheld 200 from accumulating dust and debris first. Materials and so on while shutting down to clean up.

As shown in FIG. 6, the vacuum cleaner according to the second embodiment of the present invention includes a mobile base 100 and a handset 200. The handheld machine 200 cooperates with the mobile base 100 to form a vacuum cleaner according to a second embodiment of the present invention. The vacuum cleaner can be regarded as a second vertical vacuum cleaner 800. In the first embodiment, a vacuum source (ie, a motor) is disposed in the handset 200, and a vacuum source is not disposed in the base 100. The structure of the handheld machine 200 in the vacuum cleaner of the second embodiment of the present invention is the same as the structure of the handheld machine 200 of the vacuum cleaner of the first embodiment. The structure of the mobile base 100 in the vacuum cleaner of the second embodiment of the present invention is basically the same as the structure of the mobile base 100 in the vacuum cleaner of the first embodiment. The main difference is that the mobile base 100 of the second embodiment of the vacuum cleaner also includes a first vacuum source 150. The first vacuum source 150 is in communication with a dust collection outlet of the first dust collection chamber 170, and the first vacuum source 150 is electrically connected to the first battery pack 120. A first vacuum source 150 is provided in the mobile base 100. The power of the first vacuum source 150 can be greater than the power of the vacuum source in the handheld 200 according to the actual working conditions. The first vacuum source 150 can generate a stronger suction force and effectively improve the second The working efficiency of the vertical vacuum cleaner 800. Optionally, the first vacuum source 150 operates simultaneously with the vacuum source 220 of the handset, or only the first vacuum source 150 in the mobile base 100 operates. As an implementable manner, when the first vacuum source 150 in the mobile base 100 is operated, the vacuum source 220 of the handheld device stops operating. In this embodiment, the mobile base 100 is equivalent to a simple vertical vacuum cleaner. When the mobile base 100 is used as a simple vertical vacuum cleaner, a hose can be connected to the dust collection outlet of the first dust collection chamber 170. It is also possible to connect accessories to the end of the hose, so that it is convenient for the simple vertical vacuum cleaner to perform the vacuuming work. As an implementable manner, the first vacuum source 150 includes a motor and a fan blade drivingly connected to an output shaft of the motor.

As shown in FIGS. 7 and 8, the vacuum cleaner according to the third embodiment of the present invention includes a mobile base 100 and a handheld device 200. The handheld machine 200 cooperates with the mobile base 100 to form a vacuum cleaner according to a third embodiment of the present invention. The vacuum cleaner can be considered as a third vertical vacuum cleaner 900. The structure of the handheld machine 200 in the vacuum cleaner of the third embodiment of the present invention is the same as the structure of the handheld machine 200 in the vacuum cleaner of the first embodiment and the vacuum cleaner of the second embodiment. The structure of the mobile base 100 in the vacuum cleaner of the third embodiment of the present invention is the same as the structure of the mobile base 100 in the vacuum cleaners of the first and second embodiments. The cleaner of the third embodiment of the present invention is the same as the cleaner of the first embodiment and the first The main difference between the two embodiments of the vacuum cleaner is that the vacuum cleaner further includes a first tube portion 302, the first tube portion 302 is fixedly disposed on the mobile base 100, and the handheld device 200 is electrically connected to the first battery pack 120. The first tube portion 302 is fixedly disposed on the mobile base 100. The base body 100 includes a first dust collection chamber 170. The first dust collection chamber 170 has a dust collection inlet and a dust collection outlet. One end of the first tube portion 302 and the first dust collection The dust collection outlet of the chamber 170 is in communication, and the other end of the first pipe portion 302 is detachably connected to the second suction port 210.

In one embodiment, the first tube portion 302 is fixedly disposed outside the mobile base 100. The cleaner further includes a connecting pipe 500, which is located between the first dust collecting chamber 170 and the first pipe portion 302 on the airflow path, and one end of the connecting pipe 500 is in communication with the dust collecting outlet. One end is in communication with the first tube portion 302. Optionally, the connecting pipe 500 is a rigid pipe or a hose. As an implementable manner, the connecting pipe 500 is a hose. Further, the hose in this embodiment is a retractable hose, and the length of the hose can be adjusted according to actual working conditions.

In the third embodiment, the handheld device 200 is installed at one end of the first tube portion 302. After the handheld device 200 is fixed to the mobile base 100, the handheld device 200 is activated, and the handheld device 200 generates a negative pressure in the air flow channel of the mobile base 100. Dust, debris and the like are accumulated in the dust collection chamber through the first suction port 1401 of the base 110 and the air duct, and the air flows out of the dust collection outlet of the first dust collection chamber 170 and enters the connection pipe 500. After passing through the connection pipe 500, Enter the first tube portion 302 and then enter the handset 200 communicating with the first tube portion 302. The electrical connection between the handheld 200 and the first battery pack 120 extends the single vacuuming time of the third vertical vacuum cleaner 900, and the setting of the first dust collecting chamber 170 in the mobile base 100 ensures that the third vertical vacuum cleaner 900 is in the process of dust removal. Continuity, there is no need to stop the process and dump out the dust or debris in the dust collection chamber due to the small volume of the dust collection chamber in the handheld 200 before continuing the dust removal operation. Optionally, the volume of the first dust collecting chamber 170 is designed according to actual working conditions.

In the third vertical vacuum cleaner 900, the mobile base 100 has a first dust collecting chamber 170, and most of dust and debris are accumulated in the first dust collecting chamber 170. Only a small amount of dust enters the dust cup 240 of the handheld 200. . The electrical connection between the handheld 200 and the first battery pack 120 extends the single vacuuming time of the third vertical vacuum cleaner 900, and the setting of the first dust collecting chamber in the mobile base 100 ensures the third vertical vacuum cleaner 900 during the dust removal process. Continuity, there is no need to stop the process and dump out the dust or debris in the dust collection chamber due to the small volume of the dust collection chamber in the handheld 200 before continuing the dust removal operation.

In one embodiment, the vacuum cleaner of the third embodiment also includes a second floor brush 400. For convenience of storage, the second floor brush 400 is fixed below the second tube portion 302.

Optionally, in an embodiment, in the third vertical vacuum cleaner 900, the first vacuum source 150 is provided in the mobile base 100 or the first vacuum source 150 is not provided. As an achievable way, as shown in FIG. 8, the arrows in the figure indicate the flow direction of the airflow. The first vacuum source 150 is not provided in the mobile base 100, and the vacuum source 220 of the handheld unit is used for dust suction power. When the vacuum source 220 of the hand-held machine is operating, the second suction port 210, the first pipe portion 302, the floor brush 400, the first dust collecting chamber, the first suction port and the base floor brush 140 connected to the vacuum source generate negative pressure, respectively. Dust, debris, etc. enter the first suction port through the base floor brush 140. Most of the dust, debris, etc. accumulate in the first dust collection chamber, and a small part of the dust, debris, etc. passes through the first suction port 1401, the first pipe portion. 302. The second suction port 210 finally accumulates in a dust collection chamber of the handset 200. As another implementable manner, a first vacuum source 150 is disposed in the mobile base 100. The first vacuum source 150 cooperates with the vacuum source 220 of the handset to generate a negative pressure, which increases the dust removal power of the third vertical vacuum cleaner 900. The installation manner of the first vacuum source 150 in the third vertical vacuum cleaner 900 is the same as the installation manner of the first vacuum source 150 in the second vertical vacuum cleaner 800 described above.

As shown in FIG. 7, in the vacuum cleaner of the third embodiment, a clip joint 160 is provided on the outside of the mobile base 100, and the first pipe portion 302 can be snapped on the clip joint 160 to realize that the first pipe portion 302 is outside the mobile base 100. Fixed. When the handheld device 200 and the mobile base 100 are used as the third vertical vacuum cleaner 900, the first tube portion 302 can also be clamped on the outside of the mobile base 100 in order to change the practical state of the vacuum cleaner at any time.

As the vacuum cleaner in each of the above embodiments, the handheld 200 can be used alone as a portable vacuum cleaner, which is convenient and flexible. The vertical vacuum cleaners of various embodiments composed of the handheld 200 and the mobile base 100 are suitable for large-area dust removal, and can effectively extend the continuous operation time of a single dust removal, and improve the dust removal efficiency of the vacuum cleaner. Further, the mobile base 100 has a power cord (not shown in the figure). After the power cord is connected to a power source, the first battery pack 120 can be charged, and / or the handset 200 can be charged. In other embodiments, the power of the mobile base 100 can also directly supply power to the vacuum source 220 and / or the first vacuum source 150 of the handset.

The technical features of the embodiments described above can be arbitrarily combined. In order to simplify the description, all possible combinations of the technical features in the above embodiments have not been described. However, as long as there is no contradiction in the combination of these technical features, It should be considered as the scope described in this specification.

The above-mentioned embodiments only express several implementation manners of the present invention, and their descriptions are more specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be noted that, for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the invention patent shall be subject to the appended claims.

Claims

A vacuum cleaner, characterized in that the vacuum cleaner comprises:

A mobile base including a base body and a first battery pack, the first battery pack is disposed on the base body, and the mobile base is provided with a first suction port;

A handheld device detachably fixed to the mobile base, the handheld device having a second battery pack and a second suction port;

After the handset is fixed to the mobile base, the second suction port is in communication with the first suction port, and the first battery pack is electrically connected to the second battery pack.
The vacuum cleaner according to claim 1, wherein the base comprises a first dust collection chamber, the first dust collection chamber has a dust collection inlet and a dust collection outlet, and the dust collection inlet and the first The suction port is in communication. After the handset is fixed to the mobile base, the second suction port is in communication with the dust collection outlet.
The vacuum cleaner according to claim 2, wherein the mobile base further comprises a first vacuum source, the first vacuum source is in communication with the dust collection outlet, and the first vacuum source is in communication with the first battery Including electrical connection.
The vacuum cleaner according to claim 2, wherein the first dust collecting chamber further comprises a first filter, the first filter is disposed in the first dust collecting chamber, and the first filter is disposed Upstream of the dust collection outlet in the gas flow direction.
The vacuum cleaner according to claim 1, wherein the first battery pack is pluggably connected to the base.
The vacuum cleaner according to claim 5, wherein the insertion direction of the first battery pack is parallel to the longitudinal extension axis of the base.
The vacuum cleaner of claim 1, wherein after the handset is fixed to the mobile base, the first battery pack is connected in parallel with the second battery pack.
The vacuum cleaner according to claim 1, wherein a battery capacity of the first battery pack is larger than a battery capacity of the second battery pack.
The vacuum cleaner according to claim 1, wherein the voltage of the first battery pack is the same as the voltage of the second battery pack.
The cleaner according to claim 1, wherein the cleaner further comprises a first tube portion, the first tube portion is fixedly disposed on the mobile base, the base includes a first dust collecting chamber, and the The first dust collecting chamber has a dust collecting inlet and a dust collecting outlet, one end of the first tube portion is in communication with the dust collecting outlet, and the other end of the first tube portion is detachably connected to the second suction port.
The vacuum cleaner according to claim 10, wherein the first pipe portion is fixedly disposed outside the mobile base, and the cleaner further comprises a connection pipe, which is located in the first dust collection chamber on the airflow path. One end of the connecting pipe is in communication with the dust collecting outlet and the other end of the connecting pipe is in communication with the first pipe portion.
The cleaner according to claim 1, wherein the mobile base further comprises a first floor brush, the first floor brush is connected to the base, and the first suction port is provided on the first floor brush.
A vacuum cleaner, characterized in that the vacuum cleaner comprises:

A mobile base includes a base body and a first battery mounting base, the first battery mounting base is disposed on the base body for connecting a first battery pack, and the mobile base is provided with a first suction port;

A handheld device detachably fixed to the mobile base, the handheld device having a second suction port and a second battery mount for connecting a second battery pack;

After the handset is fixed to the mobile base, the second suction port is in communication with the first suction port.
The vacuum cleaner according to claim 13, wherein the base comprises a first dust collecting chamber, the first dust collecting chamber has a dust collecting inlet and a dust collecting outlet, and the dust collecting inlet and the first The suction port is in communication. After the handset is fixed to the mobile base, the second suction port is in communication with the dust collection outlet.
The cleaner according to claim 14, wherein the mobile base further comprises a first vacuum source, and the first vacuum source is in communication with the dust collection outlet.
The vacuum cleaner according to claim 14, wherein the first dust collecting chamber further comprises a first filter, the first filter is disposed in the first dust collecting chamber, and the first filter is disposed Upstream of the dust collection outlet in the gas flow direction.
The vacuum cleaner according to claim 13, wherein the first battery pack is pluggably connected to a first battery mount, and the first battery pack is electrically connected to the second battery pack.
The vacuum cleaner according to claim 17, wherein the insertion and removal direction of the first battery pack is parallel to the longitudinal extension axis of the base.
The vacuum cleaner according to claim 17, wherein after the handset is fixed to the mobile base, the first battery pack is connected in parallel with the second battery pack.
The vacuum cleaner according to claim 17, wherein a battery capacity of the first battery pack is larger than a battery capacity of the second battery pack.
The vacuum cleaner according to claim 17, wherein the voltage of the first battery pack is the same as the voltage of the second battery pack.
The cleaner according to claim 13, characterized in that the cleaner further comprises a first pipe part, the first pipe part is fixedly disposed on the moving base, the base body includes a first dust collecting chamber, and the The first dust collecting chamber has a dust collecting inlet and a dust collecting outlet, one end of the first tube portion is in communication with the dust collecting outlet, and the other end of the first tube portion is detachably connected to the second suction port.
The cleaner according to claim 22, wherein the first pipe portion is fixedly disposed outside the moving base, and the cleaner further comprises a connecting pipe, which is located in the first dust collecting chamber on an airflow path. One end of the connecting pipe is in communication with the dust collecting outlet and the other end of the connecting pipe is in communication with the first pipe portion.
The cleaner according to claim 13, wherein the mobile base further comprises a first floor brush, the first floor brush is connected to the base, and the first suction port is provided on the first floor brush.