CN109199233B

CN109199233B - Suction pipe assembly for vacuum cleaner and multipurpose vacuum cleaner

Info

Publication number: CN109199233B
Application number: CN201811188098.2A
Authority: CN
Inventors: 卞庄
Original assignee: Suzhou EUP Electric Co Ltd
Current assignee: Suzhou EUP Electric Co Ltd
Priority date: 2018-10-12
Filing date: 2018-10-12
Publication date: 2021-09-07
Anticipated expiration: 2038-10-12
Also published as: CN109199233A

Abstract

The invention discloses a suction pipe component for a vacuum cleaner and a multipurpose vacuum cleaner, wherein the suction pipe component comprises a slender hard support column extending along a longitudinal direction, a telescopic hose and a short suction nozzle, wherein the telescopic hose is removably supported on the support column; when the telescopic hose is kept supported on the supporting column, the short suction nozzle is positioned at the second end part of the supporting column and at least partially can protrude outwards from the second end part of the supporting column, and the first pipe orifice end of the telescopic hose can be stretched outwards from the first end part of the supporting column so that the length of the suction pipe component along the longitudinal direction is lengthened. Thereby the straw assembly of present case can freely stretch out and draw back and change the longitudinal length of straw assembly to satisfy user's different user demands.

Description

Suction pipe assembly for vacuum cleaner and multipurpose vacuum cleaner

Technical Field

The present invention relates to the field of vacuum cleaners.

Background

The general construction and method of operation of stick-type vacuum cleaners are well known, and it is also known that multi-purpose stick-type vacuum cleaners can be converted from a conventional upright cleaning mode (in which the vacuum cleaner is moved across the floor surface) to a hand-held cleaning mode. To this end, such stick-type cleaners typically include a cleaning head, an integral hand-held chamber cleaner main body, and a suction hose that can be used both as a stick in upright cleaning mode and as an extension in hand-held cleaning mode.

Chinese patent publication No. CN108392135A discloses a three-in-one vacuum cleaner based on a rod-hanging type hand-held vacuum cleaner, which is the above mentioned multi-purpose push rod type vacuum cleaner, the vacuum cleaner is provided with a hollow rod-shaped handle, the main vacuum cleaner, the handle, the ground brush and the main vacuum cleaner can be separated and assembled, the three-in-one vacuum cleaner can combine the main vacuum cleaner, the handle and the ground brush to form a push rod type vacuum cleaner for working, and the handle limits the main vacuum cleaner; the main machine and the handle rod can be combined to form the long-connection-pipe handheld dust collector to work, and the handle rod forms a lengthened suction pipe of the long-connection-pipe handheld dust collector.

The three-in-one dust collection configuration of the type has the disadvantages that the handle bar is a hard pipe capable of passing through air flow, when the handle bar is matched with the handheld dust collector to be used as a lengthened suction pipe, the length of the handle bar cannot be adjusted, a user can only clean the cleaning surface with a fixed distance, and the use is limited to some extent.

Disclosure of Invention

In order to solve the above technical problems, a first object of the present invention is to provide a suction pipe assembly capable of freely telescoping for use in connection with a dust suction apparatus. A second object of the present invention is to provide a multipurpose vacuum cleaner capable of facilitating a user to clean cleaning surfaces of different heights or distances.

In order to achieve the first object of the invention, the invention adopts the following technical scheme: a suction tube assembly for a vacuum cleaner, comprising:

a longitudinally extending elongated rigid support post, said support post including a first end, a second end, and a post intermediate said first and second ends;

a flexible hose removably supported on said support post, said flexible hose including a first nose end and a second nose end;

a short suction nozzle for sucking up dust from a surface to be cleaned;

when the telescopic hose is kept supported on the supporting column, the short suction nozzle is positioned at the second end part of the supporting column and at least part of the short suction nozzle can protrude out of the second end part of the supporting column, the second pipe orifice end of the telescopic hose can be communicated with the short suction nozzle in an air flow manner, and the first pipe orifice end of the telescopic hose can be stretched towards the outer side of the first end part of the supporting column so that the length of the suction pipe assembly along the longitudinal direction is lengthened.

In the above technical solution, preferably, the short suction nozzle is fixed to or integrally disposed with the second end of the supporting pillar.

In the above technical solution, preferably, the short suction nozzle is fixed to or integrally disposed with the second nozzle end of the flexible hose.

In the above technical solution, preferably, the support column includes a holding handle, and the holding handle is located at the first end.

In the above technical solution, preferably, the column body is provided with a clamping block or a clamping groove for positioning the flexible hose on the supporting column.

In the above technical solution, preferably, the suction pipe assembly for a vacuum cleaner according to claim 1, the cylinder has a C-shaped cross-section.

In order to achieve the second object of the invention, the invention adopts the following technical scheme: a multi-purpose vacuum cleaning apparatus comprising:

a cleaning head comprising a housing having a dirty air inlet and a rotatable coupling head movably mounted to the housing;

a body including a connecting base, a suction pipe assembly and a hand-held cleaner, the lower part of the connecting base is mounted on the rotary connector, the suction pipe assembly and the hand-held cleaner are as in the first technical scheme, the connecting base includes a connecting port communicated with the dirty air inlet, the hand-held cleaner is detachably mounted on the connecting base and/or the suction pipe assembly, the suction pipe assembly is detachably mounted on the connecting base, and when the suction pipe assembly is mounted on the connecting base, the suction pipe assembly is constructed to transmit driving force between the first end of the supporting column and the dust collection head;

the handheld dust collector comprises an air-dust separator, an air inlet short pipe used for guiding dusty airflow into the air-dust separator, a vacuum motor unit and a clean air outlet communicated with the outside, wherein the air inlet short pipe is constructed to be communicated with a connecting port on the connecting seat and also communicated with a first pipe orifice end of the telescopic hose.

In the above technical solution, preferably, when the handheld vacuum cleaner and the support post are both mounted on the connecting base, at least a part of the handheld vacuum cleaner leans against an outer wall surface of the support post.

In the above technical solution, preferably, the connecting seat has a slot; when the suction pipe assembly is installed on the connecting seat, the supporting column and/or the short suction nozzle are/is inserted into the slot.

In the above scheme, preferably, the slot is internally provided with a conductive terminal for communicating the dust collection head and the handheld dust collector circuit, and the support column is provided with a power switch for controlling the on-off of the dust collection head and the handheld dust collector circuit.

Compared with the prior art, the invention has the following beneficial effects: the suction pipe assembly is designed to comprise a slender hard support column and a telescopic hose capable of freely stretching out and drawing back on the support column, so that the support column does not need to be communicated with air flow, the support column can only be used as a support framework, and the telescopic hose communicated with the air flow can be made on the support column all the time no matter whether the telescopic hose stretches out and draws back or not, therefore, the suction pipe assembly can freely stretch out and draw back to change the longitudinal length of the suction pipe assembly, and different use requirements of users are met. The multipurpose vacuum cleaner with the suction pipe assembly can also clean cleaning surfaces with different distances or heights, so that the cleaner can be better used.

Drawings

FIG. 1 is a perspective view of a stick vacuum in accordance with one embodiment of the present invention;

FIG. 2 is a schematic side view of a stick vacuum cleaner according to one embodiment of the invention;

FIG. 3 is a perspective view of a hand-held cleaner according to one embodiment of the present invention;

FIG. 4 is an assembled schematic view of a straw assembly according to one embodiment of the present invention;

FIG. 5 is a disassembled schematic view of a straw assembly according to one embodiment of the present invention;

FIG. 6 is a schematic view of the operation of a stick vacuum in accordance with one embodiment of the present invention;

FIG. 7 is an operational schematic view of a combination hand-held cleaner and suction tube assembly according to an embodiment of the present invention;

FIG. 8 is another operational schematic view of a hand-held cleaner and suction tube assembly in combination, according to an embodiment of the present invention;

FIG. 9 is a schematic view of the hand-held cleaner and the telescoping hose assembly in combination, according to one embodiment of the present invention;

wherein: 100. a push-rod vacuum cleaner; 200. a hand-held vacuum cleaner; 201. a gas-ash separator; 202. a short gas inlet pipe; 203. a vacuum motor unit; 204. a clean air outlet; 205. a rechargeable battery; 1. a connecting seat; 11. a connecting port; 12. a slot; 2. a straw assembly; 21. a support pillar; 211. a first end portion; 212. a second end portion; 213. a cylinder; 214. a grip handle; 215. a clamping block; 22. a flexible hose; 221. a first pipe orifice end; 222. a second pipe orifice end; 23. a short suction nozzle; 24. a power switch; 3. a dust collection head; 31. a housing; 32. the connector is rotated.

Detailed Description

For the purpose of illustrating the technical content, the constructional features, the achieved objects and the effects of the invention in detail, reference will be made to the following detailed description of the embodiments in conjunction with the accompanying drawings.

Figures 1 and 2 show a stick vacuum cleaner, generally designated by the reference numeral 100. The push rod type vacuum dust collector comprises a dust collection head 2 and a machine body part positioned on the upper part of the dust collection head 2, wherein the machine body part is composed of a handheld dust collector 200, a suction pipe component 2 and a connecting seat 2, the handheld dust collector 200 can be supported on the connecting seat 1 in a detachable mode and lean against the suction pipe component 2 at the same time, the handheld dust collector 200 is communicated with a dust collection head 3 on the lower part in an air flow mode, the dust collection head 3 comprises a shell 31 with a dirty air inlet (not shown in the figure) and a rotating connector 32 movably installed on the shell 31, the lower part of the connecting seat 1 is installed on the rotating connector 32, and the rotating connector 32 can drive the connecting seat 1 to rotate relative to the shell 31 of the dust collection head 3. The actual cleaning head 3 may further include a roller brush, a motor for driving the roller brush to rotate, wheels, etc. to meet the requirement of the stick type vacuum cleaner 100 when cleaning on the floor, and an air flow path from the dirty air inlet to the connection port 11 on the connection socket 1 is provided inside the housing 31.

As shown in fig. 3, the hand-held cleaner 200 is provided with an air-dust separator 201, an air inlet stub 202 for guiding a dust-containing air flow into the air-dust separator 201, a vacuum motor unit 203, a clean air outlet 204 communicating with the outside, and a rechargeable battery 205 for supplying power to the hand-held cleaner 200.

The suction tube assembly 2 shown in fig. 4 and 5 comprises an elongated rigid support column 21 extending in the direction of the longitudinal axis-Z, a telescopic hose 22 removably supported on the support column 21, and a short suction nozzle 23 for sucking up dirt from the surface to be cleaned. The support pole 21 includes a first end 211, a second end 212, a column 213 between the first end 211 and the second end 212, and a holding handle 214, the holding handle 214 is located at the first end 211, and a fixture 215 is provided on the column 213 for positioning the extension hose 22 on the support pole 21. The flexible hose 22 includes a first pipe orifice end 221 and a second pipe orifice end 222, the short suction nozzle 23 is located at the second end 212 of the supporting column 21 and at least partially protrudes out of the second end 212 of the supporting column 21, in this example, the short suction nozzle 23 is integrated with the second end 212 of the supporting column 21, and the short suction nozzle 23 can protrude out of the second end 212 of the supporting column 21.

When the bellows 22 is held supported on the support column 21, the second mouth end 222 of the bellows 22 is located at the second end 212 of the support column 21 and is in air flow communication with the short suction nozzle 23, and the first mouth end 221 of the bellows 22 can be pulled outward of the first end 211 of the support column 21 to lengthen the length of the suction pipe assembly 2 in the longitudinal direction (as in the bellows in fig. 8). In other embodiments, a short suction nozzle may also be integrally provided at the second nozzle end of the telescopic hose, in which case the short suction nozzle integrally provided at the second nozzle end of the telescopic hose will project outwardly from the second end of the support column when the telescopic hose is held supported on the support column, in order to suck up dust from the surface to be cleaned.

In this embodiment, as shown in fig. 2, the connecting base 1 is provided with a slot 12 in addition to a connecting port 11 for connecting the handheld vacuum cleaner 200, a conductive terminal (not shown) for electrically connecting the vacuum cleaner head 3 and the handheld vacuum cleaner 100 is disposed in the slot 12, and a power switch 24 for controlling the on/off of the vacuum cleaner head and the handheld vacuum cleaner circuit is disposed on the holding handle 214 of the supporting column 21. In this example, the connecting section 1 is mounted on a pivotal connection head 32 and is movable between an upright storage position and an inclined floor cleaning position (as shown in figure 6). The inlet stub 202 of the hand-held cleaner 200 is configured to be connected to both the connection port 11 of the connection base 1 and the first nozzle end 221 of the extension hose 22.

As shown in fig. 6, when the handheld vacuum cleaner 200 and the suction pipe assembly 2 are both installed on the connection base 1 to be combined into a push rod type vacuum cleaner for use, the short intake pipe 202 of the handheld vacuum cleaner 200 is connected to the connection port 11, the dirty air inlet, the connection port 11, the short intake pipe 202 and the air-dust separator 201 of the dust collection head 2 are sequentially in air flow communication, and the dust-containing air flow entering from the dirty air inlet can be effectively separated in the air-dust separator 201.

As shown in fig. 7, when the handheld vacuum cleaner 200 and the suction pipe assembly 2 are both detached from the connection base 1 and the handheld vacuum cleaner 200 and the suction pipe assembly 2 are combined to form a handheld vacuum cleaner for use, the flexible hose 22 is fixed on the support column 21, the short air inlet pipe 202 of the handheld vacuum cleaner 200 is connected with the first pipe end 221 of the flexible hose 22, the short suction nozzle 23 is connected with the second pipe end 222 of the flexible hose 22, the short suction nozzle 23, the flexible hose 22, the short air inlet pipe 202 and the air-dust separator 201 are sequentially in air flow communication, dust on a surface to be cleaned is sucked into the air-dust separator 201 from the short suction nozzle 23 along with air, and is effectively separated, and the handheld vacuum cleaner is suitable for cleaning surfaces at high places such as ceilings, curtains and the like. In this combination, as shown in fig. 8, if the suction pipe assembly 2 cannot meet the height requirement, the first nozzle end 221 of the extension hose 22 can be pulled outwardly so that the longitudinal length of the whole suction assembly 2 becomes long, and the holding handle 214 can be used as an auxiliary handle for the other hand of the user, which can meet the suction requirement of a surface with a higher height.

As shown in fig. 9, when the hand-held cleaner 200 and the suction pipe assembly 2 are both detached from the connection base 1, and the extensible hose 22 is detached from the support post 21, and only the hand-held cleaner 200 and the extensible hose 22 are combined to form another usage of the hand-held vacuum cleaner, the short suction nozzle 203 of the hand-held cleaner 200 is connected to the first pipe opening end 221 of the extensible hose 22, and dust on the external surface can be sucked into the dust separator 201 of the hand-held cleaner 200 through the second pipe opening end 221 of the extensible hose 22 for gas-solid separation.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A multi-purpose vacuum cleaning apparatus comprising:

the machine body comprises a connecting seat, a suction pipe assembly and a handheld dust collector, the lower part of the connecting seat is arranged on the rotating connector, the connecting seat comprises a connecting port communicated with the dirty air inlet, the handheld dust collector can be detachably arranged on the connecting seat and/or the suction pipe assembly, and the suction pipe assembly can be detachably arranged on the connecting seat;

wherein, the straw subassembly includes:

the support column comprises a first end part, a second end part, a column body between the first end part and the second end part and a holding handle positioned at the first end part, wherein a clamping block or a clamping groove is arranged on the column body; and when the suction pipe assembly is mounted to the coupling socket, the suction pipe assembly is configured to transmit a driving force between the first end of the support post and the cleaning head;

a short suction nozzle for sucking up dust from a surface to be cleaned;

when the telescopic hose is kept supported on the supporting column, the telescopic hose is positioned on the supporting column by the clamping block or the clamping groove, the short suction nozzle is positioned at the second end part of the supporting column and at least part of the short suction nozzle can protrude out of the second end part of the supporting column, the second pipe orifice end of the telescopic hose can be communicated with the short suction nozzle in an air flow manner, and the first pipe orifice end of the telescopic hose can be stretched towards the outer side of the first end part of the supporting column so that the length of the suction pipe component along the longitudinal direction is lengthened; and

the hand-held cleaner includes: the dust separator comprises a gas-dust separator, a short gas inlet pipe for guiding dusty gas flow into the gas-dust separator, a vacuum motor unit and a clean air outlet communicated with the outside, wherein the short gas inlet pipe is constructed to be communicated with a connecting port on the connecting seat and also communicated with a first pipe orifice end of the telescopic hose;

the multipurpose vacuum cleaner has an operating state in which the hand-held cleaner is combined with the suction pipe assembly to be used as a hand-held vacuum cleaner; in this working state, the flexible hose is fixed on the support column, the air inlet short pipe is communicated with the first pipe orifice end of the flexible hose, the short suction nozzle is communicated with the second pipe orifice end of the flexible hose, the short suction nozzle, the flexible hose, the air inlet short pipe and the air-dust separator are sequentially communicated in an air flow manner, and the holding handle can be used as an auxiliary handle for a user to hold when the longitudinal length of the suction pipe assembly is lengthened.

2. The multipurpose vacuum cleaner according to claim 1, wherein: when the handheld dust collector and the suction pipe assembly are both arranged on the connecting seat, the handheld dust collector at least partially leans against the outer wall surface of the supporting column.

3. A multi-purpose vacuum cleaning apparatus according to claim 1 or 2, wherein: the connecting seat is provided with a slot; when the suction pipe assembly is installed on the connecting seat, the supporting column and/or the short suction nozzle are/is inserted into the slot.

4. The multipurpose vacuum cleaner according to claim 3, wherein: the socket in be provided with and be used for the intercommunication the dust absorption head, hand-held type dust catcher circuit conductive terminal, the support column on be provided with the control the dust absorption head, hand-held type dust catcher circuit break-make power switch.

5. The multipurpose vacuum cleaner according to claim 1, wherein: the short suction nozzle is fixed with or integrally arranged with the second end part of the supporting column.

6. The multipurpose vacuum cleaner according to claim 1, wherein: the short suction nozzle and the second pipe orifice end of the telescopic hose are fixed or integrally arranged.

7. The multipurpose vacuum cleaner according to claim 1, wherein: the cross section of the column body is C-shaped.