CN112401745A

CN112401745A - Vacuum cleaner

Info

Publication number: CN112401745A
Application number: CN201911065605.8A
Authority: CN
Inventors: 唐晓东; 吉绍山
Original assignee: Positec Power Tools Suzhou Co Ltd
Current assignee: Positec Power Tools Suzhou Co Ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2021-02-26
Also published as: CN112401744A

Abstract

A vacuum cleaner, comprising: a housing; the dust cup assembly is cylindrical, and the handle is used for holding and arranged behind the dust cup assembly; the airflow generating device is used for generating negative pressure and is positioned behind the dust cup assembly; and the handle is positioned above the airflow generating device and the battery, the battery is obliquely arranged on one side of the airflow generating device opposite to the airflow inlet, and the battery is in sliding fit with the shell. According to the technical scheme, the handle is arranged above the airflow generating device and the battery, so that when a user holds the vacuum cleaner, the upper part of the hand of the user cannot be abutted to other components, the holding experience is good, and the space is reasonably utilized by obliquely arranging the battery pack, so that the vacuum cleaner is compact in structure.

Description

Vacuum cleaner

The application is a divisional application of a patent application with the application number of 201910773110.4 and the title of 'dust collector' proposed to the intellectual property office of China in 2019, 8, 21 and 8.

Technical Field

The invention relates to the technical field of cleaning, in particular to a dust collector.

Background

In the prior art, a vacuum cleaner includes a dust cup assembly, an air inlet located at one side of the dust cup assembly, a handle assembly located at the other side of the dust cup assembly, a motor assembly and a battery assembly, the motor assembly includes a motor and a fan, and the motor drives the fan to rotate so as to form negative pressure in the dust cup assembly. Dirt cup subassembly includes the cup and locates the cyclone in the cup, and motor element and battery pack are located handle assembly's both ends respectively, and when this kind of structural layout resulted in the operation, user's hand supported the motor element of handle upper end easily, held and experienced not good.

Therefore, in view of the problems in the prior art, there is a need to provide a vacuum cleaner with a new structure layout to solve the drawbacks in the prior art.

Disclosure of Invention

The invention provides a flexibly arranged dust box capable of increasing dust collection space, a dust collector combination with the dust box and a push rod type dust collector with the dust collector combination.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a vacuum cleaner, the vacuum cleaner comprising:

a gas stream inlet for providing an inlet for an external dusty gas stream;

the dust cup assembly is internally provided with a filtering device, and the airflow inlet is positioned at one side of the dust cup assembly;

a handle for gripping;

an airflow generating device for generating a negative pressure; and

the handle is positioned above the airflow generating device and the battery, the battery is obliquely arranged on one side of the airflow generating device opposite to the airflow inlet, and the battery is in sliding fit with the shell.

Furthermore, the sliding direction of the battery and the axial direction of the airflow generating device are arranged in a mutually crossed mode, and the angle range of an included angle A formed by the sliding direction of the battery and the axial direction of the airflow generating device in a crossed mode is 135 degrees to 155 degrees.

Furthermore, the sliding direction of the battery and the axial direction of the dust cup component are arranged in a mutually crossed mode, and the angle range of an included angle B formed by the sliding direction of the battery and the axial direction of the dust cup component in a crossed mode is 100-160 degrees.

Further, the sliding direction of the battery and the axial direction of the dust cup assembly are crossed to form an included angle B, and the included angle B ranges from 115 degrees to 135 degrees.

Further, the battery, the handle and the airflow generating device are all positioned on the opposite side of the dust cup assembly from the airflow inlet.

Further, the battery, the handle and the airflow generating device are all non-overlapping with the dust cup assembly in a projection direction perpendicular to an axis of the airflow generating device.

Further, the axis of the airflow generating device is perpendicular to the axis of the dust cup assembly.

Further, the handle, the airflow generating device and the battery are all located within a projection range of the dirt cup assembly when the vacuum cleaner is viewed from a direction opposite to the airflow inlet.

Furthermore, the handle includes along the horizontal portion of gripping that the extending direction of air current entry extends and the slant portion of gripping be connected with horizontal portion of gripping, the slant portion of gripping connect in horizontal portion of gripping, the slant portion of gripping be located horizontal portion of gripping with the opposite side of air current entry orientation, the contained angle C between slant portion of gripping and the horizontal portion of gripping is the obtuse angle.

Further, the airflow generating device is located below the transverse holding portion, and the battery is located below the oblique holding portion.

Further, the angle range of the included angle C is 35 degrees to 75 degrees.

Furthermore, the airflow generating device is arranged inside the shell, the shell comprises a bottom surface located below, the bottom surface comprises a first portion and a second portion, the first portion and the second portion are arranged in a V shape and form a supporting line, the dust cup assembly comprises a supporting surface located below, and when the dust collector is placed on a plane, the supporting line and the supporting surface support the dust collector together.

Furthermore, the air flow generating device with the passageway that supplies the gas circulation has between the filter equipment the extending direction of passageway, the inner chamber cross-sectional shape and the area of passageway are the same, perhaps the inner chamber cross-section of passageway is by one end to other end convergent, perhaps the inner chamber cross-section of passageway is by one end to other end gradually wideningly, perhaps the inner chamber cross-section of passageway is by one end to other end uniform variation.

Compared with the prior art, the handle is arranged above the airflow generating device and the battery, so that when a user holds the vacuum cleaner, the upper part of the hand of the user cannot be abutted against other components, the holding experience is good, and the space is reasonably utilized by the inclined arrangement of the battery pack, so that the vacuum cleaner is compact in structure.

Drawings

The invention is further described with reference to the following figures and embodiments.

Fig. 1 shows a schematic view of a vacuum cleaner according to an embodiment of the present invention.

Fig. 2 shows a top view of a vacuum cleaner according to an embodiment of the present invention.

Fig. 3 is a perspective view illustrating an opened state of a dust cup cover of a vacuum cleaner according to an embodiment of the present invention.

Fig. 4 shows a cross-sectional view of a vacuum cleaner according to an embodiment of the present invention.

Figure 5 illustrates an exploded view of a dirt cup assembly of a vacuum cleaner in accordance with an embodiment of the present invention.

Fig. 6 is a schematic view illustrating a state in which the cleaner according to the embodiment of the present invention is used.

Detailed Description

Exemplary embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood that the detailed description is intended only to teach one skilled in the art how to practice the invention, and is not intended to be exhaustive or to limit the scope of the invention.

It should be noted that, in the embodiment of the present invention, the direction "front" may be understood as a direction in which the airflow inlet 111 of the cleaner faces during actual use, and a direction opposite thereto is defined as a direction "rear", and the airflow inlet 111 extends in a front-rear direction. The direction "down" is understood to mean the direction in which the dust discharge opening 112 of the vacuum cleaner is oriented during actual use, and the opposite direction is defined as the direction "up".

As shown in fig. 1 to 6, the present invention provides a vacuum cleaner comprising a dirt cup assembly 1, a handle 2, an airflow generating device 3, a battery 4 and a housing 5. The airflow generating device 3 is disposed inside the housing 5, the dirt cup assembly 1 and the handle 2 can be connected to the housing 5, and the handle 2, the airflow generating device 3, and the battery 4 are disposed on the same side, e.g., the rear, of the dirt cup assembly 1. The airflow generating device 3 is located between the handle 2 and the dirt cup assembly 1. Handle 2 is located the top of air current generating device 3 and battery 4, through setting up the handle in the top of air current generating device and battery, and when the user gripped, the top of user's hand can not support other subassemblies, and it is good to grip experience to the rational utilization space, makes dust catcher compact structure.

As shown in fig. 3, the housing 5 comprises a bottom surface located below, and the floor comprises a first portion 51 and a second portion 52, the first portion 51 and the second portion 52 being arranged in a V-shape and forming a support line 53. The first and

second portions

51, 52 are located on the left and right sides of the cleaner, as viewed from the direction facing the airflow inlet 111 (from front to rear), and the support line 53 extends in the front-rear direction. The support wire 53 is used to support the cleaner when it is placed on a flat surface.

The dust cup assembly 1 comprises a cup body 11 and a filtering device 12, wherein the filtering device 12 is arranged inside the cup body 11, and the filtering device 12 is used for filtering air sucked into the cup body 11. The cup 11 has a support surface 118 located below, the support surface 118 and the support line 53 may be in the same plane, and when the cleaner is placed on the plane, the support surface 118 and the support line 53 together support the cleaner.

As shown in fig. 1 to 4, the cup body 11 has an airflow inlet 111 for introducing external dust-containing gas into the interior of the vacuum cleaner, the airflow inlet 111 faces one side, such as the front side, of the dust cup assembly 1, the airflow inlet 111 is located on one side of the dust cup assembly 1, the battery 4, the handle 2 and the airflow generating device 3 are located on the opposite side of the dust cup assembly 1 from the airflow inlet 111, and the handle 2 is located above the airflow generating device 3 and the battery 4, i.e. the handle 2, the airflow generating device 3 and the battery 4 are located on the rear side of the dust cup assembly 1. From another perspective, the battery 4, the handle 2, and the airflow generating device 3 do not overlap the dirt cup assembly 1 in a projection direction perpendicular to the axis of the airflow generating device 3. The cup 11 is cylindrical, for example, cylindrical as a whole, and when the vacuum cleaner is placed on a flat surface, the axis of the cup 11 extends in the vertical direction. The airflow inlet 111 is located substantially at the position where the filter 123 and the cyclone 121 are connected in the axial direction of the bowl 11, for example, at a position above the middle of the bowl 11.

A passage 1191 is provided for the gas to flow between the gas flow generating means 3 and the filter means 12. In the extending direction of the channel 1191, the shape and the area of the cross section of the lumen of the channel 1191 are the same, or the cross section of the lumen of the channel 1191 is tapered from one end to the other end, or the cross section of the lumen of the channel 1191 is gradually widened from one end to the other end, or the cross section of the lumen of the channel 1191 is uniformly changed from one end to the other end, and the cross section of the lumen of the channel 1191 is smooth and continuous. That is, the area of the inner cavity of the channel 1191 may be kept constant or may be gradually changed singly (gradually increased or gradually decreased), but the area of the inner cavity of the channel 1191 may not be changed alternately, so that the smoothness of the airflow passing through the channel 1191 may be ensured, and the airflow passing performance may be improved.

As shown in fig. 3 and 4, the bottom of the cup body 11 is provided with a dust pouring opening 112, the cup body 11 is further provided with a dust cup cover 113 for closing the dust pouring opening 112, and the dust cup cover 113 is rotatably connected to the cup body 11 through a rotating portion 115. The dust dumping opening 112 is provided with a locking part 114 for controlling the opening and closing locking of the dust cup cover 113, when the dust cup cover 113 is in the closing locking state, the locking part 114 locks the dust cup cover 113 to lock, and when the locking part 114 controls the opening of the dust cup cover 113, the dust cup cover 113 can rotate around the rotating part 115. The rotating part 115 is provided with the reset structure 116, when the locking state of the dust cup cover 113 is released, the reset structure 116 drives the dust cup cover 113 to be automatically opened, and through the reset structure 116, dust can be poured by one key without manually opening the dust cup cover 113, and only the locking part 114 is operated. The reset mechanism 116 can be a torsion spring, however, in other embodiments, other reset mechanisms can be used by those skilled in the art to achieve the objectives of the present invention. Further, the dust cup cover 113 or the periphery of the dust pouring opening 112 may be provided with a sealing member (not shown) for sealing the dust pouring opening 112 and the dust cup cover 113 with each other.

Further, the outer periphery of the cup 11 forms an annular space 117 outside the dust pouring port 112, and the dust pouring port 112 can be butted against other members by inserting a member such as a dust box into the annular space 117. The dust cup cover 113 is not protruded from the lower edge of the cup body 11, so that the dust collector can be stably placed on a horizontal plane. Annular space 117 forms a portion of the shape of cup 11 and catch portion 114 is located inside annular space 117 to ensure the integrity of the outer shape of cup 11.

As shown in fig. 4 and 5, the filter device 12 includes a cyclone 121, a connecting member 122, a filter 123, a filter holder 124, a cover plate 125, and a packing 126, and the filter device 12 is formed in a cylindrical shape as a whole, and an axis of the filter device 12 extends in the vertical direction. The peripheral wall of the cyclone 121 is provided with apertures through which the cyclone airflow passes and which block foreign substances such as dust. The cyclone 121 is connected to the connecting member 122, and a packing 126 may be provided between the cyclone 121 and the connecting member 122 to seal between the cyclone 121 and the connecting member 122. The filter 123 is attached to a filter holder 124, and the filter holder 124 and the connecting member 122 are fixedly attached so that the cyclone 121 and the filter 123 are connected together, and the filter 123 is located downstream of the cyclone 121 in the path of the airflow. The filter mount 124 is attached to the bowl 11 by a cover 125, and another gasket 126 may be provided between the bowl 11 and the cover 125 to seal between the bowl 11 and the cover 125.

When the vacuum cleaner works, the airflow containing dust enters the cup body 11 through the airflow inlet 111, cyclone separation is performed in the cyclone 121, the dust filtered by the pores is collected in the cup body 11, the airflow containing a small amount of dust after the cyclone separation flows to the filter 123 to be filtered again, and the airflow secondarily filtered by the filter 123 is discharged after passing through the airflow generating device 3.

As shown in fig. 4, the airflow generation device 3 is installed inside the housing 5, a passage through which the air flows is provided inside the housing 5, the housing 5 is connected to the dust cup assembly 1 such that the passage communicates with the airflow generation device 3 and the filter device 12, and the air filtered by the filter device 12 flows to the airflow generation device 3 through the passage. The bottom of the housing 5 and the bottom of the dirt cup assembly 1 are in the same plane, so that the cleaner can be stably placed on a horizontal plane.

The air flow generating device 3 comprises a motor and a rotatable impeller connected to a rotating shaft of the motor. The airflow generating device 3 is located on the opposite side of the dust cup assembly 1 from the airflow inlet 111, and the axis of the motor shaft is perpendicular to the axis of the dust cup assembly 1, i.e., the axis of the motor shaft extends in the front-rear direction. When the airflow generating device 3 operates, the impeller is driven by the motor to rotate to form negative pressure, air flows through the airflow generating device 3 to be discharged at high speed under the action of the negative pressure, airflow at the air inlet end of the airflow generating device 3 is continuously supplemented to the airflow generating device 3, and external dusty airflow can be sucked into the dust cup assembly 1 through the airflow inlet 11.

As shown in fig. 1 to 4 and 6, the handle 2 is attached to the dirt cup assembly 1, and the handle 2 is positioned above the airflow generating device 3. The handle 2 and the housing 5 may be connected to form a closed loop, and the handle 2 and the housing 5 may be integrally formed.

The front end of the handle 2 is a first end 21 and the rear end is a second end 22. The first end 21 is connected to the dirt cup assembly 1 and the second end 22 is located behind the airflow generating means 3.

The handle 2 comprises a holding part for holding, the holding part comprises a transverse holding part 23 and an oblique holding part 24 connected with the transverse holding part 23, and the transverse holding part 23 is positioned between the oblique holding part 24 and the dust cup assembly 1. The lateral grip portion 23 extends in the extending direction (front-rear direction) of the airflow inlet (111) as a whole. The transverse holding portion 23 and the oblique holding portion 24 are both linear, the transverse holding portion 23 is connected with the oblique holding portion 24, the transverse holding portion 23 and the oblique holding portion 24 form a V shape together, the oblique holding portion 24 is inclined backward and downward relative to the transverse holding portion 23, and an included angle between the transverse holding portion 23 and the oblique holding portion 24 is an obtuse angle. The angle C formed by the diagonal grip portion 24 and the extending direction of the airflow inlet 111 is in the range of 35 degrees to 75 degrees, and preferably, the angle is 53 degrees. The transverse holding portion 23 is connected to the first end 21, the oblique holding portion 24 is connected to the second end 22, and the oblique holding portion 24 is located at the rear end of the transverse holding portion 23. The airflow generating device 3 is located below the lateral grip portion 23. The center of gravity D of the cleaner is located below the grip portion, and further, the center of gravity D of the cleaner is located below the lateral grip portion 23. Both the lateral holding portion 23 and the diagonal holding portion 24 are provided for holding, so that the lateral holding portion 23 and the diagonal holding portion 24 can be held by a palm or four fingers along the length direction of their respective extensions, for example, the lateral holding portion 23 and the diagonal holding portion 24 are at least 6 cm along their respective length directions.

The upper portion of the handle 2 and the upper portion of the dirt cup assembly 1 are at substantially the same level, and the handle 2 does not project from the dirt cup assembly 1 in the up-down direction.

It will be appreciated that gripping different parts of the handle 2 allows the cleaner to have different poses when in use, and thus to be adapted to different use scenarios. For example, when a user needs to use the vacuum cleaner to perform horizontal vacuum cleaning, the horizontal holding portion 23 is closer to the center of gravity of the entire vacuum cleaner, and the vacuum cleaner can be maintained in a horizontal state by holding the horizontal holding portion 23 and applying a small force, and when the user needs to use the vacuum cleaner to perform inclined vacuum cleaning, the inclined holding portion 24 can be in a substantially horizontal state, and the inclined holding portion 24 can be held to easily maintain the vacuum cleaner in an inclined state as shown in fig. 6.

The battery 4 is located on the opposite side of the airflow generating device 3 from the airflow inlet 111, and the battery 4 is located below the inclined holding portion 24 near the second end 22 of the handle 2, for example, the battery 4 can be inserted into the second end 22 of the handle 2. But battery 4 plug setting, battery 4 and casing 5 cooperation of sliding. The angle range of the included angle a formed by the sliding direction of the battery 4 and the axial direction of the airflow generation device 3 is 135 degrees to 155 degrees. Further, the included angle a is 145 degrees. The angle range of the included angle B formed by the crossing of the sliding direction of the battery 4 and the axial direction of the dust cup assembly 1 is 100 degrees to 160 degrees, and further, the angle range of the included angle B is 115 degrees to 135 degrees. The battery 4 may be a flat plate, and the bottom surface of the battery 4 is at an angle of 135 to 155 degrees, and further at an angle of 145 degrees, with respect to the axis of the airflow generating device 3. The battery 4 is arranged in such a way that the front-back direction size and the up-down direction size of the dust collector can be kept in a proper range. The obliquely inserted battery 4 can be shortened in the front-rear direction size, and is more convenient from the viewpoint of user experience.

The handle 2, the airflow generating device 3 and the battery 4 are completely arranged at the rear part of the dust cup assembly 1, and the handle 2, the airflow generating device 3 and the battery 4 are positioned in the projection range of the dust cup assembly 1 and shielded from being observed when the dust collector is observed from the direction opposite to the airflow inlet 111.

The dust cup assembly 1, the handle 2, the airflow generating device 3 and the battery 4 are arranged in position, so that the whole structure of the dust collector is more compact, small and portable. When the horizontal grip portion 23 is held to perform horizontal dust collection by the vacuum cleaner or when the oblique grip portion 24 is held to perform oblique dust collection by the vacuum cleaner, the center of gravity of the vacuum cleaner can be brought close to the position to be held. And the relative position of the gravity center of the dust collector at the holding position is reasonable, for example, the gravity center is positioned below the holding position, so that the operation is more convenient, and the experience is better. Specifically, when the vacuum cleaner is used by holding the lateral holding portion 23, the lateral holding portion 23 is kept horizontal, and the center of gravity of the vacuum cleaner is located below the lateral holding portion 23. When the vacuum cleaner is used by holding the inclined grip portion 23, the inclined grip portion 24 is kept horizontal, and the center of gravity of the vacuum cleaner is located below the inclined grip portion 24.

As shown in fig. 6, an air flow inlet 111 at the front end of the cleaner may connect the extension pipe 10 and the cleaner head 20, one end of the extension pipe 10 being connected to the air flow inlet 111, and the other end of the extension pipe 10 being connected to the cleaner head 20. The cleaning head 20 has a suction passage communicating with the inside of the extension pipe 10 so that dust enters the extension pipe 10 through the suction passage and then enters the cleaner along the extension pipe 10. The extension pipe 10 may be a hard pipe, a flexible pipe, or a combination of a soft pipe and a hard pipe, or a telescopic pipe, and when the specific work application is performed, the user may select a suitable extension pipe 10 as an accessory according to the actual application scenario.

While only a few embodiments of the present inventions have been described and illustrated herein, those skilled in the art will readily envision other means or structures for performing the functions and/or obtaining the structures described herein, and each of such variations or modifications is deemed to be within the scope of the present inventions.

Claims

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

a housing;

a gas stream inlet for providing an inlet for an external dusty gas stream;

the dust cup assembly is internally provided with a filtering device, the airflow inlet is positioned at one side of the dust cup assembly, and the dust cup assembly is connected with the shell;

a handle for gripping;

an airflow generating device for generating a negative pressure; and

the handle is positioned above the airflow generating device and the battery and is connected with the shell, the battery is obliquely arranged on one side of the airflow generating device opposite to the airflow inlet, and the battery is matched with the shell in a sliding mode.

2. The vacuum cleaner of claim 1, wherein the battery sliding direction and the axial direction of the airflow generating device are arranged in a mutually crossed manner, and the angle of an included angle A formed by the battery sliding direction and the axial direction of the airflow generating device is 135-155 degrees.

3. The vacuum cleaner of claim 1, wherein the battery sliding direction and the axial direction of the dirt cup assembly are arranged to intersect with each other, and an included angle B formed by the battery sliding direction and the axial direction of the dirt cup assembly is in a range of 100 degrees to 160 degrees.

4. The vacuum cleaner of claim 3, wherein the angle B formed by the sliding direction of the battery and the axial direction of the dirt cup assembly is in the range of 115 degrees to 135 degrees.

5. The vacuum cleaner of claim 1, wherein the battery, the handle, and the airflow generating device are all located on a side of the dirt cup assembly opposite the airflow inlet.

6. The vacuum cleaner of claim 1, wherein the battery, the handle, and the airflow generating device all do not overlap the dirt cup assembly in a projection direction perpendicular to an axis of the airflow generating device.

7. The vacuum cleaner of claim 1, wherein an axis of the airflow generating device is perpendicular to an axis of the dirt cup assembly.

8. The vacuum cleaner of claim 1, wherein the handle, the airflow generating device, and the battery are all within a projected range of the dirt cup assembly when the vacuum cleaner is viewed from a direction directly opposite the airflow inlet.

9. The vacuum cleaner of claim 1, wherein the handle includes a lateral holding portion extending along an extension direction of the airflow inlet, and an oblique holding portion connected to the lateral holding portion, the oblique holding portion is located on a side of the lateral holding portion opposite to the airflow inlet, and an included angle C between the oblique holding portion and the lateral holding portion is an acute angle.

10. The vacuum cleaner of claim 9, wherein the airflow generating device is located below the lateral grip portion and the battery is located below the diagonal grip portion.

11. The vacuum cleaner of claim 9, wherein the included angle C is in the range of 35 degrees to 75 degrees.

12. The vacuum cleaner of claim 1, wherein the airflow generating device is disposed within a housing, the housing including a bottom surface located below, the bottom surface including a first portion and a second portion, the first portion and the second portion being arranged in a V-shape and forming a support line, the dirt cup assembly including a support surface located below, the support line and the support surface together supporting the vacuum cleaner when the vacuum cleaner is placed on a flat surface.

13. The vacuum cleaner according to claim 1, wherein a channel for the air to flow through is arranged between the air flow generating device and the filtering device, and the cross section of the inner cavity of the channel has the same shape and area in the extending direction of the channel, or the cross section of the inner cavity of the channel is gradually reduced from one end to the other end, or the cross section of the inner cavity of the channel is gradually widened from one end to the other end, or the cross section of the inner cavity of the channel is uniformly changed from one end to the other end.