CN215457598U

CN215457598U - Vacuum cleaner

Info

Publication number: CN215457598U
Application number: CN202121159186.7U
Authority: CN
Inventors: 檀冲; 魏秋红
Original assignee: Beijing Puppy Vacuum Cleaner Group Co Ltd
Current assignee: Beijing Puppy Vacuum Cleaner Group Co Ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-01-11
Anticipated expiration: 2031-05-27

Abstract

The utility model relates to the technical field of dust collectors, and provides a vacuum dust collector, which comprises: a garbage separator and a fan bin; this rubbish separator includes at least: the dust barrel, the separator and the first filtering device; the dust barrel is provided with a fluid inlet and a fluid outlet, the first filtering device is arranged at the fluid outlet, and the separator is positioned in the dust barrel and is close to the fluid outlet; the fan bin is in butt joint with the fluid outlet of the dust barrel, and a fan and a second filtering device are arranged in the fan bin; the fluid inlet, the separator, the fluid outlet, the first filter device, the fan and the second filter device are sequentially and axially arranged along the axis of the separator. The utility model optimizes the internal structure of the garbage separator and the fan bin to make the flow path of the fluid in the vacuum cleaner as shortest as possible, so that the pressure drop loss of the fluid in the vacuum cleaner is reduced, and the garbage separation efficiency of the garbage separator is improved.

Description

Vacuum cleaner

Technical Field

The utility model relates to the technical field of dust collectors, in particular to a vacuum dust collector.

Background

With the development of society and the increasing living standard of people, the vacuum cleaner is used in more and more families as a household cleaning appliance. In general, a fan is used to drive an impeller to rotate at a high speed, and an air negative pressure is generated in a sealed housing, so that dirt such as dust and garbage is sucked into the vacuum cleaner. Then the dirt is separated from the air in the interior, the dirt is kept at the designated position, and simultaneously the clean air is discharged out of the dust collector.

Currently, vacuum cleaners commonly employ a dust bag or a cyclone separator for dirt separation. Among other things, for vacuum cleaners of cyclone separators, the pressure drop associated with cyclone separators can be high because cyclone separators require high fluid velocities to achieve high separation efficiencies, and cyclone separators generally follow relatively long paths of fluid from the fluid inlet to the outlet, resulting in high aerodynamic losses. Therefore, how to further optimize the structure of the vacuum cleaner using the cyclone separator to improve the separation efficiency of the garbage is a technical problem in the development process of the vacuum cleaner.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vacuum cleaner, which aims to solve the technical problem of optimizing the garbage separation efficiency of the vacuum cleaner with a cyclone separator structure in the prior art.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the present invention provides a vacuum cleaner, comprising: a garbage separator and a fan bin; this rubbish separator includes at least: the dust collector comprises a dust barrel, a separator and a first filtering device, wherein the dust barrel is provided with a fluid inlet and a fluid outlet, the first filtering device is arranged at the fluid outlet, and the separator is positioned in the dust barrel and is close to the fluid outlet; the fan bin is in butt joint with the fluid outlet of the dust barrel, a fan and a second filtering device are arranged in the fan bin, and the separator, the fluid outlet, the first filtering device, the fan and the second filtering device are sequentially and axially arranged along the rotation axis of the separator.

In some alternatives, the separator is a cyclone separator.

In some alternatives, the trash separator further comprises: the driving motor is arranged in the rotary separator and used for driving the rotary separator to rotate in the dust barrel.

In some alternatives, the rotating separator is any one of a hollow cylinder, cone, or frustum.

In some alternatives, the diameter of the top of the rotating separator is greater than the diameter of the fluid inlet.

In some alternatives, the bottom of the rotating separator is open, the top of the rotating separator is a closed plane, the closed plane is opposite to and spaced from the fluid inlet, and the side of the rotating separator is provided with a plurality of vent holes penetrating through the rotating separator.

In some alternatives, the plurality of vents are arranged in an array on the side of the rotating separator.

In some alternatives, the shape of the vent hole includes any one of a round hole, a square or triangular hole, a diamond-shaped hole, and an irregular hole.

In some alternatives, a centerline of the fluid inlet of the dirt bucket is parallel to the axis of rotation of the rotating separator.

In some alternatives, the vacuum cleaner further comprises: a handle connected to the outside of the dust separator or the blower compartment for operating the vacuum cleaner by holding the handle.

The vacuum cleaner provided by the utility model has the beneficial effects that: the separator, the first filtering device, the fluid outlet, the fan and the second filtering device in the garbage separator are arranged along the rotation axis of the separator, so that the components are kept on the same straight line to realize straight-line air inlet, the flowing stroke of fluid in the vacuum cleaner can be ensured to be as short as possible, the energy loss caused by turning of the fluid is reduced, the aerodynamic loss in the fluid vacuum cleaner is effectively reduced, and the garbage separation efficiency of the vacuum cleaner is further improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of the internal structure of a vacuum cleaner according to an embodiment of the present invention;

fig. 2 is a front view of a rotary separator in a vacuum cleaner according to an embodiment of the present invention;

FIG. 3 is a schematic view of a fan of a vacuum cleaner according to an embodiment of the present invention;

fig. 4 is a schematic view of the overall structure of the vacuum cleaner according to the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1	garbage separator
		2	Fan bin
3	Handle bar
		11	Dust barrel
12	Rotary separator
		13	Driving motor
14	First filter device
		21	Fan blower
22	Second filter device
		111	Fluid inlet
112	Fluid outlet
		121	Vent hole
122	Axis of rotation
		211	Air inlet
212	Air outlet

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

Fig. 1 is a schematic view of an internal structure of a vacuum cleaner according to an embodiment of the present invention. As shown in fig. 1, the vacuum cleaner includes: a garbage separator 1 and a fan bin 2. Wherein, rubbish separator 1 includes at least: a dust bucket 11, a separator and a first filtering device 14; wherein, the dust barrel 11 is provided with a fluid inlet 111 and a fluid outlet 112, the first filtering device 14 is arranged at the fluid outlet 112, and the separator is positioned in the dust barrel 11 and is arranged close to the fluid outlet 112; the fan chamber 2 is connected with the fluid outlet 112 of the dust barrel 11, the fan 21 and the second filtering device 22 are arranged in the fan chamber 2, and the separator, the first filtering device 13, the fan 21 and the second filtering device 22 are arranged along the axial direction of the separator (i.e. the separator, the first filtering device 13, the fan 21 and the second filtering device 22 are arranged along the same straight line in fig. 1). When the vacuum cleaner is in operation, fluid entering the vacuum cleaner is discharged through the fluid inlet 111, the separator, the first filter device 14, the fluid outlet 112, the fan 21 and the second filter device 22 in this order.

The working principle of the vacuum cleaner is as follows: when the vacuum cleaner is in operation, the fan 21 operates to generate negative pressure in the fan chamber 2, so that air fluid (hereinafter also referred to as air or fluid) enters the vacuum cleaner from the fluid inlet 111 of the dust bin 11, when the fluid is in the dust bin 11, the separator separates garbage carried in the fluid, so that large-particle solid garbage cannot pass through the separator, then the fluid enters the fan chamber 2 from the fluid outlet 112, and then the fluid is discharged from the fan 21 and the second filtering device 22 in sequence in the fan chamber 2, thereby achieving the effect of dust collection. Since the fluid inlet 111, the separator, the fluid outlet 112, the first filter device 14, the fan 21 and the second filter device 22 are axially arranged on the same axis, the flow path of the fluid in the vacuum cleaner is as short as possible, so that the flow path of the fluid in the vacuum cleaner can be as short as possible, energy loss caused by turning of the fluid is reduced, the aerodynamic force of the fluid is not reduced too much, and the separation efficiency of the garbage can be further improved.

In particular, the separator in fig. 1 may be a cyclone separator, also known in the art as a cyclone cone. Since the cyclone separator can be used for reference in the prior art, the cyclone separator is not described herein in detail.

In addition, referring to fig. 1, the separator may be a rotating separator 12, and as shown in fig. 1, the vacuum cleaner further includes: and the driving motor 13, the driving motor 13 is arranged in the rotating separator 12, and is used for driving the rotating separator 12 to rotate in the dust barrel 11. Different from the existing cyclone separator: after the fluid got into dirt bucket 11, rotatory separator 12 rotated under driving motor 13's drive, stirred the air in the dirt bucket 11, made it form the effect similar to the whirlwind to make the rubbish granule that contacts or adsorb in rotatory separator 12 side throw into dirt bucket 11 bottom, can further improve the separation effect to the rubbish granule like this, simultaneously, can also avoid leading to the circumstances that dust absorption wind-force descends along with the accumulation of rubbish.

It should be noted that when the separator is a rotating separator 12, the first filter device 13, the fan 21 and the second filter device 22 are preferably arranged axially along the axis of rotation of the rotating separator.

In the vacuum cleaner using the cyclone separator, the fluid inlet 111 of the dust bin 11 has a smaller diameter than the dust bin 11, and as an example, in fig. 1, the fluid inlet 111 of the dust bin 11 is disposed at the top of the dust bin 11 (at the right of the dust bin 11 in fig. 1), and the fluid outlet 112 of the dust bin 11 is disposed at the bottom of the dust bin 11 (at the left of the dust bin 11 in fig. 1), wherein the rotating separator 12 is disposed at the fluid outlet 112. Thus, in the dust barrel 11, the fluid inlet 111, the rotary separator 12 and the fluid outlet 112 are on the same straight line, so that the air inlet of the vacuum cleaner is realized in a straight line type, the aerodynamic loss of fluid can be effectively reduced, and the garbage separation efficiency of the vacuum cleaner is further improved.

Referring to fig. 1 again, the fluid inlet 111 on the dust barrel 11 may be a variable diameter opening fixed or connected to the top of the dust barrel 11 and protruding outward, as shown in fig. 1, the aperture of the fluid inlet 111 increases or gradually increases section by section along the moving direction of the fluid.

Fig. 2 is a front view of a rotary separator in a vacuum cleaner according to an embodiment of the present invention.

Referring to fig. 2, in one example, the rotating separator 12 is a hollow cylindrical structure. Wherein, in conjunction with fig. 1, the top of the cylinder (above the cylinder in fig. 2) is disposed opposite (or facing) the fluid inlet 111 of the dust bucket 11, and the bottom of the cylinder (below the cylinder in fig. 2) is disposed opposite (or facing) the fluid outlet 112 of the dust bucket 11. In addition, the bottom of the cylinder is of an open structure, and the bottom of the cylinder is opposite to and in contact with the first filtering device 14 arranged at the fluid outlet 112 of the dust barrel 11; in contrast, the top of the cylinder is a sealed structure, i.e. the top of the cylinder is a closed plane, which is equivalent to including a circular disk surface at the top of the rotating separator 12.

In the case of the first example described immediately above, the rotating separator 12 is located in a cylinder having a diameter larger than the outermost diameter of the fluid inlet 111 on the dirt cup 11. Thus, when fluid enters the dust barrel 11 through the fluid inlet 111, the fluid will flow toward the edge of the disc surface at the top of the rotating separator 12 (i.e. the closed plane at the top of the cylinder) under the influence of the pressure distribution in the dust barrel 11, so that part of the dirt hitting the edge of the disc surface of the rotating separator 12 will be thrown into the bottom of the dust barrel 11 under the centrifugal force of the disc surface. That is, when the separator is a rotating separator 12, the top of the rotating separator 12 is preferably planar when the top of the rotating separator 12 is disposed in alignment with the fluid inlet.

Further, with continued reference to fig. 2, on the side of the cylinder (i.e., the cylindrical surface of the cylinder), a plurality of vent holes 121 are disposed, which extend through the cylinder.

Specifically, the ventilation holes 121 on the rotating separator 12 are arranged spirally along the side surface (i.e. the cylindrical surface of the cylinder in fig. 2) of the rotating separator 12 to form at least one circle of spiral ventilation hole structure. As shown in fig. 2, 4 spiral vents were arranged on the side surface of the rotating separator 12. It should be understood that the pitch and the number of turns of the spiral vent holes formed by the spiral distribution of the vent holes 121 along the side of the rotating separator 12 may be determined according to the ventilation amount of the vacuum cleaner and the size of the rotating separator 12, and the present invention is not particularly limited thereto.

Next, with respect to the spiral vent holes, the respective vent holes 121 are arranged in an array among the spiral vent holes of the same turn or/and the spiral vent holes of different turns, thereby forming a regular vent structure on the side of the rotary separator 12. Therefore, the spiral vent holes distributed on the rotary separator 12 guide fluid to enter the rotary separator 12 in a spiral shape, so that the formation of cyclone in the dust barrel 11 is facilitated, and a better dust-gas separation effect is achieved.

Specifically, the shape of the vent holes 121 in the above embodiments may include, but is not limited to, any one of circular holes, square holes, triangular holes, rhombic holes, and irregular holes. The shape of the vent hole 121 is not particularly limited by the present invention.

The rotating separator 12 may have a hollow cylindrical structure, or may have a hollow conical or circular truncated cone structure. If the rotating separator is a hollow cone or a circular truncated cone, the structure is the same as that of the cylinder except that the shape is different from that of the cylinder. For example, when the rotating separator has a hollow conical structure, the top of the cone has a different shape from the cylinder, the bottom of the cone is also open, the side of the cone is also provided with vent holes, the vent holes may be arranged in the upper cylinder array, and the vent holes may have different shapes.

With reference to the structure of the above-mentioned rotating separator 12, the rotating separator 12 may be any one of a hollow cylinder, a cone, and a circular truncated cone, and no matter which structure the rotating separator 12 adopts, the bottom of the rotating separator 12 is open, the top of the rotating separator 12 is a closed structure, and the side of the rotating separator 12 is provided with the vent hole 121.

Further, inside the rotational separator, there is provided a driving motor 13, which may be an outer rotor motor or an inner rotor motor. For example, as shown in fig. 1, the driving motor is an inner rotor motor, the inner rotor motor includes a motor rotating shaft and a motor housing, and when the driving motor is operated, the motor rotating shaft rotates and the motor housing is fixed; wherein, the front end of the motor rotating shaft (namely the right side of the driving motor 13 in fig. 1) is fixedly connected with the top of the rotary separator (namely the right side of the rotary separator 12 in fig. 1), and the bottom of the motor (namely the left side of the driving motor 13 in fig. 1) is fixedly connected with the garbage separator 1. Wherein, the fixed connection of the bottom of the motor and the garbage separator 1 may specifically include the fixed connection of the bottom of the motor and the first filtering device 14. Wherein, when the rotary separator 12 is rotationally operated by the driving motor 13, the rotation axis 122 of the rotary separator 12 is parallel to the center line of the fluid inlet 111 of the dust tub 11. Preferably, the centerline of the fluid inlet 111 of the dirt bucket 11 may be made coincident with the rotational axis 122 of the rotating separator 12. Thus, the fluid can enter the dust bin 11 through the fluid inlet 111 and move along a straight line all the time, and the aerodynamic loss of the fluid in the garbage separator 1 can be avoided, thereby improving the separation efficiency of the vacuum cleaner.

It should be noted that when the existing vacuum cleaner uses the cyclone separator for separating the garbage, the cyclone separator in the vacuum cleaner usually includes a plurality of cyclone separators or multi-stage cyclone separators in order to obtain relatively high garbage separation efficiency. So that the overall size of the cyclone separator may be relatively large. The utility model adopts the rotary separator 12, which has simple structure, thereby making the whole size and weight of the separator smaller and lighter; meanwhile, as the path of the fluid passing through the dust collector is short, the aerodynamic loss of the fluid is small, and high flow velocity is kept, so that relatively high separation efficiency is realized.

Fig. 3 is a schematic structural diagram of a fan in a vacuum cleaner according to an embodiment of the present invention. Referring to fig. 3, the blower 21 includes: the air inlet 211 and the air outlet 212. Referring to fig. 1, the air inlet 211 is aligned with the fluid outlet 112 of the dust bin 11, the air outlet 212 is disposed on the circumferential surface of the fan 21 (i.e., the side surface of the fan 21 in fig. 3), and the second filter 22 is disposed around the fan 21 at the air outlet 212. Thus, the fluid enters the fan housing 2, passes through the fan 21 and the second filter device 22 in this order, and is discharged.

The first filter device 14 and the second filter device 22 may specifically include filter screens for filtering dust particles or odor gas, etc. In practice, the specific product types of the first filter device 14 and the second filter device 22 may be selected according to the needs of the application. For example, the second filtering device 22 may be an annular air filter, and when the air outlet 212 of the fan 21 is located on the side of the fan 21, the annular air filter may be sleeved around the fan 21 for filtering the fluid at the air outlet 212 and discharging the filtered fluid. Since the product structure and content of the first filter device 14 and the second filter device 22 can be referred to the prior art, they are not described in detail here.

Fig. 4 is a schematic view of the overall structure of the vacuum cleaner according to the embodiment of the present invention. As shown in fig. 4, the vacuum cleaner further includes: the handle 3, the handle 3 is connected with the outside of the garbage separator 1 or the fan chamber 2, and a user can operate the vacuum cleaner to work by holding the handle 3. Specifically, the handle 3 may be connected to the outside of the garbage separator 1, the outside of the fan housing 2, or both the garbage separator 1 and the fan housing 2. Wherein the connection may include, but is not limited to, a detachable connection, a fixed connection, and the like.

In particular, the connection between the waste separator 1 and the wind mill silo 2 comprises a detachable connection. For example, when the vacuum cleaner is used, the dust separator 1 can be detached from the blower chamber 2, and then the dust collected in the dust bin 11 can be cleaned, or the first filtering device 14 can be replaced or cleaned; and then, the garbage is separated and connected with the fan bin 2, and the garbage continues to be used for dust collection.

In summary, the vacuum cleaner provided by the embodiment has at least the following beneficial effects: the separator, the first filtering device 14, the fluid outlet 112, the fan 21 and the second filtering device 22 in the garbage separator 1 are axially arranged along the axis of the separator in the separator, so that the components are kept on the same straight line to realize straight-line air inlet, the flowing stroke of fluid in the vacuum cleaner can be ensured to be as short as possible, the energy loss caused by turning of the fluid is reduced, the aerodynamic loss in the fluid vacuum cleaner is effectively reduced, and the garbage separation efficiency of the vacuum cleaner is further improved. In addition, by providing the rotating separator 12 in the vacuum cleaner, large-sized dirt and small-sized dust in the sucked garbage can be effectively separated, and the vacuum cleaner has a simple structure and a small volume, thereby making the volume of the vacuum cleaner smaller.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A vacuum cleaner, comprising: a garbage separator and a fan bin;

the garbage separator at least comprises: the dust collector comprises a dust barrel, a separator and a first filtering device, wherein a fluid inlet and a fluid outlet are formed in the dust barrel, the first filtering device is arranged at the fluid outlet, and the separator is positioned in the dust barrel and is close to the fluid outlet;

the fan bin is in butt joint with a fluid outlet of the dust barrel, a fan and a second filtering device are arranged in the fan bin, and the separator, the fluid outlet, the first filtering device, the fan and the second filtering device are sequentially and axially arranged along a rotating axis of the separator.

2. A vacuum cleaner according to claim 1, wherein the separator is a cyclonic separator.

3. The vacuum cleaner of claim 1, wherein the debris separator further comprises: the dust barrel is provided with a dust barrel, the dust barrel is provided with a dust inlet, a dust outlet and a dust outlet, the dust barrel is provided with a dust inlet, the dust inlet is provided with a dust outlet, the dust outlet is provided with a dust barrel, the dust barrel is provided with a dust inlet, the dust barrel is provided with a dust barrel, the separator is a rotary separator, and the driving motor is arranged in the rotary separator and used for driving the rotary separator to rotate in the dust barrel.

4. The vacuum cleaner of claim 3, wherein the rotating separator is any one of a hollow cylinder, cone, or truncated cone.

5. The vacuum cleaner of claim 4, wherein the rotating separator top has a diameter greater than a diameter of the fluid inlet.

6. The vacuum cleaner of claim 3, wherein the bottom of the rotating separator is open, the top of the rotating separator is a closed plane, the closed plane is opposite to and spaced from the fluid inlet, and the side of the rotating separator is perforated with a plurality of vents extending through the rotating separator.

7. The vacuum cleaner of claim 6, wherein the plurality of ventilation holes are arranged in an array on a side of the rotating separator.

8. The vacuum cleaner of claim 7, wherein the shape of the vent hole includes any one of a circular hole, a square hole, a triangular hole, a diamond hole, and an irregular hole.

9. A vacuum cleaner according to any one of claims 3-8, wherein the centre line of the fluid inlet of the dirt cup is parallel to the axis of rotation of the rotating separator.

10. The vacuum cleaner of any one of claims 1-8, further comprising: a handle connected to an exterior of the trash separator or the blower compartment for operating the vacuum cleaner by gripping the handle.