CN211408866U

CN211408866U - Vacuum cleaner

Info

Publication number: CN211408866U
Application number: CN201922116074.2U
Authority: CN
Inventors: 陈智青
Original assignee: Ningbo Qihang Technology Co ltd
Current assignee: Zhejiang Qixiang Technology Co Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-09-04
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a vacuum cleaner, which comprises a cleaning head component, wherein the cleaning head component comprises a dust suction pipeline; the machine body assembly is arranged above the cleaning head assembly and comprises a machine body shell, an inner shell and a fan motor, the inner shell is fixedly arranged in the machine body shell, and the fan motor is fixedly arranged in the inner shell; the dust cup assembly is positioned in the machine body assembly and is communicated with the dust suction pipeline; the fan motor is located above the dust cup assembly and communicated with the dust cup assembly, the top of the machine body shell is provided with an upper cover, the upper cover and the side wall of the machine body shell form an air outlet, the upper portion of the inner shell is provided with a default portion, the default portion and the inside of the machine body shell form a guide flow channel, the guide flow channel is communicated with the air outlet, and airflow is discharged out of the air outlet through the guide flow channel after flowing out of the dust cup assembly. Its advantage lies in, the utility model discloses utilize the direction runner to guide the air current to the air outlet, guarantee that the air current normally flows, do not influence the normal work of organism subassembly.

Description

Vacuum cleaner

Technical Field

The utility model relates to a cleaning device field especially relates to a vacuum cleaner.

Background

The common dust collector in the current market generally comprises a motor, a machine shell, a dust collection box, a filter, a suction head and the like, and if the common dust collector has a water filtering function, the common dust collector also comprises a water cup, and the common dust collector is large in overall weight and heavy in size after the components are integrated. In addition, most dust collectors need an external power supply when working, and the power cord is exposed outside, which also affects the beauty and the use convenience. Therefore, the handheld dust collector enters the market and is widely favored. The hand-held cleaner has a low suction power and a poor cleaning effect due to a structural problem, wherein wind attenuation due to the structure is an important reason.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a vacuum cleaner, a guide flow passage is arranged in a machine body shell of the vacuum cleaner, so that the air flow is better guided to flow, and the suction power is increased.

The purpose of the utility model is realized by adopting the following technical scheme:

a vacuum cleaner comprising:

the cleaning head assembly comprises a dust suction port and a dust suction pipeline, and the dust suction port is communicated with the dust suction pipeline;

the machine body assembly is arranged above the cleaning head assembly and comprises a machine body shell, an inner shell and a fan motor, the inner shell is fixedly arranged in the machine body shell, and the fan motor is fixedly arranged in the inner shell;

the dust cup assembly is positioned in the machine body assembly and is communicated with the dust suction pipeline;

the dust cup assembly comprises a dust cup assembly, a fan motor, an upper cover, a guide flow channel and an air outlet, wherein the fan motor is located above the dust cup assembly and communicated with the dust cup assembly, the top of the machine body shell is provided with the upper cover, the upper cover and the side wall of the machine body shell form the air outlet, the upper portion of the inner shell is provided with a default portion, the default portion and the interior of the machine body shell form the guide flow channel, the guide flow channel is communicated with the air outlet, and airflow is discharged out of the air outlet through the guide flow channel after flowing out of the.

Preferably, the number of the default parts at the upper part of the inner shell is two, the default parts are symmetrically arranged at two sides of the inner shell and respectively form a guide flow channel with the side wall of the machine body shell.

Preferably, a battery is arranged in the inner shell, and the battery is arranged above the fan motor and positioned in the guide flow channel.

Preferably, a motor cover used for fixing the fan motor is arranged in the inner shell, the motor cover is tightly attached to the fan motor, an air guiding pipe is arranged at the lower end of the motor cover, an air port of the fan motor is arranged corresponding to the air guiding pipe, a round hole is formed in the center of a lower bottom plate of the inner shell, and the air guiding pipe penetrates through the round hole and is communicated with the dust cup assembly.

Preferably, the motor cover is fixedly connected with the inner shell, the motor cover comprises a fixed cover for fixing the fan motor and a flow guide cover arranged above the fixed cover, and the flow guide cover is positioned at the rear side of the fan motor and used for guiding the air flow passing through the fan; the battery is located behind the hood and in the path of airflow.

Preferably, the drainage cover is of a bundle opening structure, and the inner diameter of the upper end of the drainage cover is smaller than that of the lower end of the drainage cover.

Preferably, the inner housing includes a battery locating rack in which the battery is located; and a control circuit board is arranged above the battery, and the battery is respectively connected with the fan motor and the control circuit board.

Preferably, the top of the machine body shell is provided with an upper cover, the upper cover is provided with a control key, and the control key is connected with the control circuit board.

Preferably, an upper cover mounting plate is arranged at the top of the inner shell, and the upper cover is clamped with the upper cover mounting plate; and the two sides of the upper cover mounting plate are provided with grooves corresponding to the guide flow channels, so that the guide flow channels are communicated with the air outlet.

Preferably, be equipped with first upper cover mounting panel in the first subsection, be equipped with second upper cover mounting panel in the second subsection, first upper cover mounting panel with be equipped with the bayonet socket on the second upper cover mounting panel respectively, will first subsection with the second subsection merges the installation back, and first upper cover mounting panel and second upper cover mounting panel splice into complete upper cover mounting panel, the bayonet socket forms the draw-in groove, on cover and be equipped with the inserted block, the inserted block with draw-in groove looks adaptation makes the upper cover with the upper cover mounting panel joint is fixed.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses an air current gets into the back from the dust absorption mouth, under the suction effect of fan motor, gets into in the organism casing, forms the air outlet between organism casing top and upper cover, and the air current flows the organism casing from the air outlet, utilizes the default portion of inner shell and organism casing inner wall to form the direction runner to guide the air current to the air outlet, guarantee that the air current normally flows, do not influence the normal work of organism subassembly.

Drawings

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

FIG. 2 is a cross-sectional view of the body assembly and dirt cup assembly of the vacuum cleaner shown in FIG. 1;

figure 3 is an exploded view of the vacuum cleaner shown in figure 1;

FIG. 4 is a schematic view of the vacuum cleaner shown in FIG. 1 with the body housing removed and the interior thereof removed;

fig. 5 is a schematic structural diagram of an upper cover according to an embodiment of the present invention;

fig. 6 is a schematic view illustrating a flow direction of an air flow in a guide flow channel according to an embodiment of the present invention.

In the figure: 1. a cleaning head assembly; 11. a dust collection pipeline; 2. a body assembly; 21. a body case; 22. a fan motor; 23. a battery; 24. an inner shell; 241. a battery positioning frame; 242. a circular hole; 243. a plug-in; 244. chamfering; 245. mounting a screw; 246. a first section; 247. a second subsection; 248. fixing a column; 249. a default section; 25. an air outlet; 251. a guide flow channel; 26. a control circuit board; 261. a control key; 27. an upper cover; 271. an upper cover mounting plate; 272. grooving; 273. a bayonet; 274. inserting a block; 28. a placement chamber; 281. an arc-shaped air deflector; 282. air holes; 283. a sealing groove; 284. a slot; 29. a motor cover; 291. an induced draft pipe; 292. a fixed cover; 293. a drainage cover; 294. a convex column; 295. a fixed block; 3. a dirt cup assembly; 31. and (3) a filter.

Detailed Description

The present invention will now be described in more detail with reference to the accompanying drawings, and it is to be understood that the following description of the present invention is made only by way of illustration and not by way of limitation with reference to the accompanying drawings. The various embodiments may be combined with each other to form other embodiments not shown in the following description.

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

Referring to fig. 1 to 6, a vacuum cleaner according to an embodiment of the present invention will be explained in the following description, in which a guide flow path is formed by a default portion of a body housing and an inner housing, so that an internal structure of the body assembly is simplified, and the air flow can be guided without additionally providing the guide flow path, so that the air flow can smoothly flow out from an air outlet at the top of the body housing.

As shown in fig. 1 to 6, the vacuum cleaner of the present embodiment includes a cleaner head assembly 1, the cleaner head assembly 1 includes a dust suction port and a dust suction pipe 11, and the dust suction port communicates with the dust suction pipe 11;

the cleaner comprises a cleaner body assembly 2, a cleaning head assembly 1, a cleaning head assembly 2 and a cleaning head, wherein the cleaner body assembly 2 comprises a cleaner body shell 21, an inner shell 24 and a fan motor 22, the inner shell 24 is fixedly arranged in the cleaner body shell 24, and the fan motor 22 is fixedly arranged in the inner shell 24;

the dust cup component 3 is positioned in the machine body component 2 and is communicated with the dust suction pipeline 11;

the blower motor 22 is located above the dust cup assembly 3 and is communicated with the dust cup assembly 3, the top of the machine body shell 21 is provided with an upper cover 27, the upper cover 27 and the side wall of the machine body shell 21 form an air outlet 25, the upper portion of the inner shell 24 is provided with a vertical default portion 249, the default portion 249 and the interior of the machine body shell 21 form a guide flow channel 251, and the guide flow channel 251 is communicated with the air outlet 25, so that air flow is discharged out of the air outlet 25 through the guide flow channel 251 after flowing out of the dust cup assembly 3.

More specifically, as shown in fig. 2 and fig. 6, the top of the body housing 21 is provided with an upper cover 27, the upper cover 27 and the side wall of the body housing 21 form an air outlet 25, the upper portion of the inner shell 24 is provided with a default portion 249, the default portion 249 and the interior of the body housing 21 form a guide flow channel 251, the guide flow channel 251 is communicated with the air outlet 25, and the guide flow channel 251 is communicated with the flow guide cover 293, so that the air flow entering the air guide pipe 291 flows through the flow guide cover 293 and the guide flow channel 251 and is then discharged from the air outlet 25. Preferably, the number of the default parts 249 on the upper portion of the inner casing 24 is two, and the default parts 249 are symmetrically arranged on both sides of the inner casing 24 to form the guide flow path 251 with the side wall of the body casing 21, respectively.

Preferably, the number of the default parts 249 on the upper portion of the inner casing 24 is two, and the default parts 249 are symmetrically arranged on both sides of the inner casing 24 to form the guide flow path 251 with the side wall of the body casing 21, respectively.

In addition, the air flow guided to the flow channel 251 can be fully utilized to cool the battery 23, so that the battery 23 is prevented from being overheated when working for a long time. More specifically, the battery 23 is provided in the inner case 24, the battery 23 is provided above the fan motor 22 in the guide flow path 251, and the airflow flows out from the dirt cup assembly 3 through the fan motor 22 and the battery 23.

In order to better guide the air flow and ensure the sealing of the guide flow channel 251, a motor cover 29 for fixing the fan motor 22 is arranged in the inner shell 24, the motor cover 29 is tightly attached to the fan motor 22, an air guide pipe 291 is arranged at the lower end of the motor cover 29, an air port of the fan motor 22 is arranged corresponding to the air guide pipe 291, a round hole 242 is arranged in the center of the lower bottom plate of the inner shell 24, and the air guide pipe 291 penetrates through the round hole 242 and is communicated with the dust cup assembly 3.

More specifically, the dust cup assembly 3 of this embodiment is disposed in the placing cavity 28 on the machine body casing 21, the top of the placing cavity 28 is provided with an arc-shaped air deflector 281, the arc-shaped air deflector 281 is located between the top of the placing cavity 28 and the filter 31 of the dust cup assembly 3, the fan motor 22 is disposed above the arc-shaped air deflector 281, the arc-shaped air deflector 281 protrudes toward the fan motor 22 by a certain radian, at this time, one surface of the arc-shaped air deflector 281 facing the filter 31 is an inward concave arc surface, the inward concave arc surface forms an air flow convergence to guide the air flow, and then the air flow flows in from the air hole 282 at the center of the arc-shaped air deflector 281, so as to enhance. A motor cover 29 of the fan motor 22 is arranged in the inner shell 24, an air guiding pipe 291 is arranged at the lower end of the motor cover 29, a round hole 242 is arranged at the center of a lower bottom plate of the inner shell 24, the air guiding pipe 291 penetrates through the round hole 242, the lower surface of the air guiding pipe 291 is tightly abutted to the arc-shaped air deflector 281 and is communicated with the air hole 282, the diameter of the air guiding pipe 291 is larger than or equal to the diameter of the air hole 282, and the air hole 282 is completely covered; one surface of the arc air guide plate facing the air guide pipe 291 is provided with a sealing groove 283 matched with the air guide pipe 291, and the sealing groove 283 is arranged around the air hole 282. While the air guide pipe 291 is ensured to be communicated with the air hole 282 of the arc-shaped air guide pipe in a sealing manner, the center line of the air guide pipe 291 is collinear with the center line of the sleeve, and the whole air flow path is shortened.

In order to reduce the noise of the fan motor 22, the motor cover 29 is fixedly connected to the inner casing 24, and the motor cover 29 may be made of a sound-absorbing material. The motor cover 29 may also function to guide the airflow in addition to the noise reduction function, the motor cover 29 includes a fixing cover 292 for fixing the fan motor 22 and a flow guide cover 293 disposed above the fixing cover 292, and the flow guide cover 293 is located at the rear side of the fan motor 22 to guide the airflow passing through the fan; the flow guide cover 293 is of a mouth-closing structure, and the inner diameter of the upper end of the flow guide cover 293 is smaller than that of the lower end of the flow guide cover 293, so that the flow velocity of the air flow going out of the flow guide cover 293 is larger than that of the air flow entering the flow guide cover, the air flow is accelerated to flow, and the air flow is discharged from the air outlet 25 at the top end of the machine body.

The fixing structure of the motor cover 29 and the inner casing 24 is shown in fig. 2 and fig. 3, the outer wall of the fixing cover 292 is provided with a plurality of protruding columns 294 closely attached to the inner wall of the inner casing 24, preferably, the protruding columns 294 are made of soft sound-absorbing material, which reduces the noise of the blower motor 22 while ensuring the sealing connection between the blower part of the blower motor 22 and the inner casing 24. The outer wall of the drainage cover 293 is provided with a fixing block 295, the drainage cover 293 is fixedly connected with the inner shell 24 through the fixing block 295, and the fixing block 295 is arranged on the outer wall of the minimum inner diameter position of the drainage cover 293, so that the installation space in the inner shell 24 can be saved.

The connection structure of the inner shell 24 and the body shell 21 is as follows: a pre-positioning structure is arranged between the inner shell 24 and the arc-shaped air deflector 281 on the machine body shell 21, the pre-positioning structure comprises a slot 284 arranged on one side of the arc-shaped air deflector 281 close to the side wall of the placing cavity 28 and a plug-in 243 arranged at the bottom end of the inner shell 24, the plug-in 243 is provided with a barb 244, and the barb 244 abuts against the lower surface of the arc-shaped air deflector 281 after the plug-in 243 is inserted into the slot 284; then, the arc-shaped air deflector 281 is fixedly connected with the inner shell 24 through screws, a screw mounting position 245 is arranged between the arc-shaped air deflector 281 and the inner shell 24, and the screw mounting position 245 is located on one side, close to the opening, of the arc-shaped air deflector 281, so that a wide mounting space is provided, and the operation is convenient.

The inner casing 24 mainly functions to mount the blower motor 22 and the battery 23, and for convenience of mounting, preferably, the inner casing 24 includes a first subsection 246 and a second subsection 247, the first subsection 246 and the second subsection 247 are both semicircular in cross section and combined into a complete cylinder shape, the first subsection 246 and the second subsection 247 are fixedly connected by screws, fixing posts 248 are provided on inner walls of the first subsection 246 and the second subsection 247 corresponding to fixing posts 295 of the drainage cover 293, and one of the fixing posts 248 penetrates through the fixing posts 295 and is fixedly connected with the other fixing post 248 by screws.

In order to fix the battery 23, the inner case 24 of the present embodiment further includes a battery positioning frame 241, and the battery 23 is located in the battery positioning frame 241. A control circuit board 26 is arranged above the battery 23, and the battery 23 is respectively connected with the fan motor 22 and the control circuit board 26. The control button 261 can be arranged on the machine body assembly 2 and can be arranged on the handle assembly, and preferably, the control button 261 is arranged on the upper cover 27, the control button 261 is directly connected with the control circuit board 26, the lead is shorter, the control is more stable, and the cost is lower.

An upper cover mounting plate 271 is arranged at the top of the inner shell 24, and the upper cover 27 is clamped with the upper cover mounting plate 271; the upper cover mounting plate 271 has slots 272 formed at both sides thereof corresponding to the guide flow path 251, so that the guide flow path 251 is communicated with the air outlet 25. Be equipped with first upper cover mounting panel 271 on first subsection 246, be equipped with second upper cover mounting panel 271 on the second subsection 247, be equipped with bayonet 273 on first upper cover mounting panel 271 and the second upper cover mounting panel 271 respectively, merge the installation back with first subsection 246 and second subsection 247, first upper cover mounting panel 271 and second upper cover mounting panel 271 splice into complete upper cover mounting panel 271, bayonet 273 forms the draw-in groove, be equipped with inserted block 274 on upper cover 27, inserted block 274 and draw-in groove looks adaptation, it is fixed with upper cover mounting panel 271 joint to make upper cover 27 and upper cover mounting panel 271 joint.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A vacuum cleaner, comprising:

2. The vacuum cleaner of claim 1, wherein: the number of the default parts on the upper part of the inner shell is two, the default parts are symmetrically arranged on two sides of the inner shell and form guide flow channels with the side wall of the machine body shell respectively.

3. A vacuum cleaner according to claim 1 or 2, wherein: the inner shell is internally provided with a battery, and the battery is arranged above the fan motor and is positioned in the guide flow channel.

4. A vacuum cleaner according to claim 1 or 2, wherein: the dust cup assembly is characterized in that a motor cover used for fixing the fan motor is arranged in the inner shell, the motor cover is tightly attached to the fan motor, an air guiding pipe is arranged at the lower end of the motor cover, an air opening of the fan motor corresponds to the air guiding pipe, a round hole is formed in the center of a lower bottom plate of the inner shell, and the air guiding pipe penetrates through the round hole and is communicated with the dust cup assembly.

5. The vacuum cleaner of claim 4, wherein: the motor cover is fixedly connected with the inner shell and comprises a fixing cover for fixing the fan motor and a drainage cover arranged above the fixing cover, and the drainage cover is positioned on the rear side of the fan motor and used for guiding airflow passing through the fan; the battery is located behind the hood and in the path of airflow.

6. The vacuum cleaner of claim 5, wherein: the drainage cover is of a restricted opening structure, and the inner diameter of the upper end of the drainage cover is smaller than that of the lower end of the drainage cover.

7. The vacuum cleaner of claim 5, wherein: the inner shell comprises a battery positioning frame, and the battery is positioned in the battery positioning frame; and a control circuit board is arranged above the battery, and the battery is respectively connected with the fan motor and the control circuit board.

8. The vacuum cleaner of claim 7, wherein: the top of the machine body shell is provided with an upper cover, the upper cover is provided with a control key, and the control key is connected with the control circuit board.

9. A vacuum cleaner according to claim 1 or 2, wherein: an upper cover mounting plate is arranged at the top of the inner shell, and the upper cover is clamped with the upper cover mounting plate; and the two sides of the upper cover mounting plate are provided with grooves corresponding to the guide flow channels, so that the guide flow channels are communicated with the air outlet.

10. The vacuum cleaner of claim 9, wherein: be equipped with first upper cover mounting panel in the first subsection, be equipped with second upper cover mounting panel in the second subsection, first upper cover mounting panel with be equipped with the bayonet socket on the second upper cover mounting panel respectively, will first subsection with the second subsection merges the installation back, and first upper cover mounting panel and second upper cover mounting panel splice into complete upper cover mounting panel, the bayonet socket forms the draw-in groove, on cover and be equipped with the inserted block, the inserted block with draw-in groove looks adaptation makes the upper cover with the upper cover mounting panel joint is fixed.