CN216364901U

CN216364901U - Hand-held vacuum cleaner

Info

Publication number: CN216364901U
Application number: CN202120846851.3U
Authority: CN
Inventors: 卞庄
Original assignee: Suzhou EUP Electric Co Ltd
Current assignee: Suzhou EUP Electric Co Ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2022-04-26
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a hand-held vacuum cleaner, comprising: a dirty air inlet, a dirt cup assembly, a dirt collection motor, and an exhaust port; the hand-held vacuum cleaner has a first end and a second end which are far away from each other in the length direction, the dirty air inlet and the air outlet are arranged at the first end, and the dust suction motor is arranged at the second end; a dirt cup assembly in fluid communication with the dirty air inlet for receiving debris through the dirty air inlet and storing the debris; the dust suction motor is used for generating suction force and sucking air into the dirty air inlet; the air outlet discharges clean air from the dust collection motor; through the fluid intercommunication that sets up between the gas vent of first end department and the dust absorption motor, make the dirty air that has piece and hair discharge from the direction of keeping away from the second end after the filtration of dirt cup subassembly, avoid blowing to the user, improve user experience and feel to through extension exhaust route, weaken the noise that dust absorption motor work produced.

Description

Hand-held vacuum cleaner

Technical Field

The utility model relates to the technical field of surface cleaning equipment, in particular to a handheld vacuum dust collection device.

Background

Along with the improvement of the requirement of people on the household sanitation level, the hand-held dust collector is widely used for household cleaning due to small volume and convenient operation, the hand-held dust collector is provided with an air inlet and an air outlet which are far away from each other, a suction device is arranged in the dust collector to realize dust collection, an air inlet faces to a surface to be cleaned, an air outlet is arranged at the back end of the dust collector and faces away from the surface to be cleaned, a filter assembly is arranged between the air inlet and the air outlet, dust such as scraps, hair and the like is separated and contained in a dust cup through the filter assembly, however, during the suction process, air with slightly fine dust is discharged through the air outlet, when a user holds the handheld dust collector for cleaning, an air outlet at the rear end of the dust collector is usually opposite to a user, and air with fine dust is blown to the user from the air outlet or falls on the ground which is just sucked, so that the operation experience of the user is influenced, and the cleaning efficiency is reduced; and because the air outlet is arranged close to the suction device, the wind exhausted by the suction device rapidly blows on the shell, and larger noise is generated.

Disclosure of Invention

The utility model provides a handheld vacuum dust collection device which can prevent air exhausted from an air outlet from blowing towards a user to influence user experience and weaken noise of a dust collection motor.

In order to achieve the purpose, the technical scheme is as follows: a hand-held vacuum cleaning device comprising: a dirty air inlet, a dirt cup assembly, a dirt collection motor, and an exhaust port; the dirt cup assembly in fluid communication with the dirty air inlet to receive debris through the dirty air inlet and to store debris; the suction motor is configured to generate a suction force and draw air into the dirty air inlet; the air outlet is used for discharging clean air from the dust collection motor; wherein the hand-held vacuum cleaner has a first end and a second end which are distant from each other in a length direction, the dirty air inlet and the exhaust port are disposed at the first end of the hand-held vacuum cleaner, and the suction motor is disposed at the second end of the hand-held vacuum cleaner.

In the above technical solution, it is further preferable that the air outlet is configured to guide the clean air to be discharged in a direction away from the second end portion and toward the surface to be cleaned.

In the above technical solution, it is further preferable that the hand-held vacuum cleaner has a middle section between the first end and the second end in a length direction, and the dirt cup assembly is disposed at the middle section.

In the above solution, it is further preferred that the hand-held vacuum cleaner provides a longitudinal axis in a longitudinal direction, and the dirty air inlet, the dirt cup assembly and the cleaning motor are arranged in sequence along the longitudinal axis.

In the above technical solution, it is further preferable that the hand-held vacuum cleaner further includes: the air inlet short pipe, the first shell, the second shell and the third shell; said dirty air inlet being formed at an end of said inlet stub providing a centerline, said centerline being collinear with said longitudinal axis; the first shell is sleeved on the outer side of the air inlet short pipe, and the air outlet is arranged on the first shell; the dust collection motor is arranged in the second shell; the third housing is positioned between the first housing and the second housing and extends along a line parallel to the longitudinal axis, and an exhaust passage fluidly connecting the suction motor and the exhaust port is at least partially formed in the third housing.

In the above aspect, it is further preferable that the intake stub and the first housing are formed as an integral component.

In the aforementioned aspect, it is further preferable that the second housing has a cylindrical shape, and an outer diameter of the second housing is substantially equal to an outer diameter of the dust cup assembly.

According to the utility model, through the fluid communication between the exhaust port arranged at the first end part and the dust collection motor, the dirty air with the debris and the hair is exhausted from the direction far away from the second end part after being filtered by the dust cup assembly, so that the dirty air is prevented from blowing to a user, the experience feeling of the user is improved, and the noise generated by the work of the dust collection motor is weakened through prolonging the exhaust path.

Drawings

FIG. 1 is a perspective view of a hand-held vacuum cleaner according to the present invention;

FIG. 2 is a first schematic view showing the flow direction of the air inside the hand-held vacuum cleaner of the present invention;

FIG. 3 is a second schematic view of the internal air flow direction of the hand-held vacuum cleaner of the present invention;

figure 4 is an exploded view of a hand-held vacuum cleaner of the present application.

Detailed Description

To explain technical contents, structural features, achieved objects and effects of the present invention in detail, the technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a detailed description of various exemplary embodiments or implementations of the utility model. However, various exemplary embodiments may be practiced without these specific details or with one or more equivalent arrangements. Moreover, the various exemplary embodiments may be different, but are not necessarily exclusive. For example, the particular shapes, configurations and characteristics of the exemplary embodiments may be used or implemented in another exemplary embodiment without departing from the inventive concept.

In the following, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

Further, spatially relative terms such as "side" (e.g., as in "sidewall") and the like in the present application, thus describe one element's relationship to another (other) element as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use, operation, and/or manufacture in addition to the orientation depicted in the figures.

In the present application, unless expressly stated or limited otherwise, the term "coupled" is to be construed broadly, e.g., "coupled" may be a fixed connection, a removable connection, or an integral part; may be directly connected or indirectly connected through an intermediate.

The present invention provides a hand-held vacuum cleaning device 100 having, as shown in figure 1, a first end 11 and a second end 12 which are remote from each other in the length direction, and an intermediate section 13 between the first end 11 and the second end 12. The hand-held vacuum cleaner 100 also has a longitudinal axis X1 in the longitudinal direction.

As shown in fig. 1 and 2, an air inlet short pipe 4 with a center line X2 (not shown) collinear with the longitudinal axis X1 and a first housing 5 sleeved outside the air inlet short pipe 4 are arranged at the first end 11, a dirty air inlet 101 for allowing dust-containing air flow to enter the interior of the handheld vacuum cleaner 100 is formed at one end of the air inlet short pipe 4 facing the surface to be cleaned, an air outlet 102 for discharging clean air from a direction far away from the second end 12 is formed on a side wall of the first housing 5, and an air discharging direction of the air outlet 102 is far away from the surface to be cleaned. The first housing 5 may be secured to the intake spud 4 by any type of manufacturing process or other combination (e.g., including adhesives, mechanical fasteners, or formed as a unitary piece), in this embodiment, the intake spud 4 is formed as a unitary piece with the first housing 5. Different accessory joints can be connected to the inlet stub 4 and the first housing 5 to change the exhaust direction and the dust suction mode of the hand-held vacuum cleaner 100.

As shown in fig. 1 and 2, the second end 12 has a cylindrical second housing 6, a dust suction motor 3 for generating suction force and sucking dust-containing air into the dirty air inlet 101 is installed in the second housing 6, and the dust suction motor 3 has a ventilation cover 31 with a plurality of ventilation holes 310. The second housing 6 is also pivotally connected to a handle 9 for a user to hold, which facilitates the storage and carrying of the handheld vacuum cleaner 100.

As shown in fig. 2 and 3, a dirt cup assembly 2 is disposed at the intermediate section 13 in fluid communication with the dirty air inlet 101 and capable of receiving stored debris. The dust cup component 2 has a cylindrical cup wall 25, an air inlet pipe 21 connected with the short air inlet pipe 4 and a filter cartridge 23 with a plurality of filter holes 230 on the side wall, a chamber 22 is formed inside the cup wall 25, both the air inlet pipe 21 and the filter cartridge 23 are arranged in the chamber 22, the air inlet pipe 21 has an air outlet 24 for fluid communication between the dirty air inlet 101 and the chamber 22, the filter holes 230 on the side wall of the filter cartridge 23 are used for fluid communication between the chamber 22 and the dust collection motor 3, and the outer diameter of the cup wall 25 is approximately equal to the outer diameter of the second shell 6. There is also a third housing 7 disposed against the outer wall of the dirt cup assembly 2 between the first and

second housings

5, 6, the third housing 7 extending along a line X3 parallel to the longitudinal axis X1, the third housing 7 being securable to the first and

second housings

5, 6 by any type of manufacturing process or other combination (e.g., including adhesives, mechanical fasteners, or forming a unitary piece), in this embodiment, the third housing 7 is formed as a unitary piece with the first and

second housings

5, 6.

As further shown in fig. 1, 3 and 4, the dirty air inlet 101, the dirt cup assembly 2 and the suction motor 3 are arranged in series along the longitudinal axis X1. The dust cup assembly 2 is detachably mounted between the first housing 5 and the second housing 6, in this embodiment, the end of the first housing 5 connected to the dust cup assembly 2 has a convex clamping portion 51, the end of the dust cup assembly 2 connected to the first housing 5 has an engaging groove 251 cooperatively connected to the clamping portion 51, and through the connection between the clamping portion 51 and the engaging groove 251, the dust cup assembly 2 can be detached from between the first housing 5 and the second housing 6 after the operation of the handheld vacuum cleaner 100 is finished to clean up the debris and hair in the chamber 22.

As shown in fig. 2 and 3, the dust collection motor 3 is in fluid communication with the exhaust port 102 through an exhaust passage 8, so that an exhaust path is lengthened, and noise generated by the operation of the dust collection motor 3 is reduced. The exhaust passage 8 includes a third section 83 between the intake stub 4 and the first housing 5, a second section 82 formed between the third housing 7 and the cup wall 25, a first section 81 between the second housing 6 and the suction motor 3, a first air opening 801 communicating the second housing 6 and the third housing 7, and a second air opening 802 communicating the first housing 5 and the third housing 7. Clean air generated by the dust collection motor 3 enters the first section 81 through the plurality of air holes 310, enters the second section 82 through a first air opening 801 communicating the second shell 6 with the third shell 7, enters the third section 83 in the first shell 5 through a second air opening 802 communicating the first shell 5 with the third shell 7, and is finally discharged from the plurality of air outlets 102 formed in the first shell 5.

Starting the dust collection motor 3, under the action of suction force of the dust collection motor 3, dirty air with debris and hair enters the air inlet short pipe 4 from the dirty air inlet 101, enters the dust cup assembly 2 through the air inlet pipe 21 connected with the air inlet short pipe 4, the dirty air enters the chamber 22 through the air outlet 24 on the air inlet pipe 21, the debris and the hair are left in the chamber 22 through the filtration of the plurality of filtration holes 230 on the side wall of the filter cartridge 23, the filtered air is output from the dust cup assembly 2, secondary filtration is carried out through a sea handkerchief piece arranged between the dust cup assembly 2 and the dust collection motor 3, after the secondary filtration is finished, clean air enters the dust collection motor 3, is discharged from the air vent 310 under the vacuum action of the dust collection motor 3, the discharged clean air flows to the air outlet 102 from the air exhaust passage 8, and finally is discharged out of the handheld vacuum dust collection device 100 from the air outlet 102.

The present invention, through the fluid communication between the exhaust port 102 disposed at the first end 11 and the dust collection motor 3, discharges the dirty air with the debris and hair from the direction away from the second end 12 after being filtered by the dust cup assembly 2, thereby avoiding blowing toward the user, improving the experience of the user, and weakening the noise generated by the operation of the dust collection motor 3 by extending the exhaust path.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the foregoing description only for the purpose of illustrating the principles of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims, specification, and equivalents thereof.

Claims

1. A hand-held vacuum cleaning device (100), comprising:

a dirty air inlet (101);

a dirt cup assembly (2), said dirt cup assembly (2) in fluid communication with said dirty air inlet (101) to receive debris through said dirty air inlet (101) and to store debris;

a suction motor (3), said suction motor (3) being configured for generating a suction force and drawing air into said dirty air inlet (101); and

an air outlet (102), the air outlet (102) being used for discharging clean air from the dust suction motor (3);

wherein the hand-held vacuum cleaner (100) has a first end (11) and a second end (12) which are remote from each other in a length direction, the dirty air inlet (101) and the exhaust (102) are arranged at the first end (11) of the hand-held vacuum cleaner (100), and the suction motor (3) is arranged at the second end (12) of the hand-held vacuum cleaner (100).

2. The hand-held vacuum cleaning device (100) according to claim 1, wherein the air outlet (102) is configured to direct the cleaned air towards a direction away from the second end (12) and towards a surface to be cleaned.

3. The hand-held vacuum cleaning device according to claim 1, wherein the hand-held vacuum cleaning device (100) has a middle section (13) between the first end portion (11) and the second end portion (12) in a length direction, the dirt cup assembly (2) being arranged in the middle section (13).

4. The hand-held vacuum cleaner according to claim 1, wherein the hand-held vacuum cleaner (100) provides a longitudinal axis (X1) in the longitudinal direction, the dirty air inlet (101), the dirt cup assembly (2) and the cleaner motor (3) being arranged in series along the longitudinal axis (X1).

5. The hand-held vacuum cleaning device of claim 4, further comprising: -an inlet spool (4), said dirty air inlet (101) being formed at one end of said inlet spool (4), said inlet spool (4) providing a centre line (X2), said centre line (X2) being collinear with said longitudinal axis (X1).

6. The hand-held vacuum cleaning device of claim 5, further comprising: the air inlet short pipe (4) is sleeved with the first shell (5), the first shell (5) is sleeved on the outer side of the air inlet short pipe (4), and the air outlet (102) is arranged on the first shell (5).

7. Hand-held vacuum cleaning device according to claim 6, characterised in that the inlet stub (4) is formed as an integral part with the first housing (5).

8. The hand-held vacuum cleaning device of claim 6, further comprising: and the dust collection motor (3) is arranged in the second shell (6).

9. The hand-held vacuum cleaner according to claim 8, wherein the second housing (6) is cylindrical, and wherein an outer diameter of the second housing (6) is substantially equal to an outer diameter of the dirt cup assembly (2).

10. The hand-held vacuum cleaning device of claim 8, further comprising: a third housing (7), said third housing (7) being positioned between said first housing (5) and said second housing (6) and extending along a line (X3) parallel to said longitudinal axis (X1), an exhaust passage (8) fluidly connecting said suction motor (3) and said exhaust outlet (102) being formed at least partially within said third housing (7).