CN214342089U - Handheld dust collector - Google Patents

Abstract

The application discloses handheld dust catcher for treat clean surface and handle, include: the cover body, its peripheral surface has air outlet holes that can wind in the angle of the oblique upper angle; an accommodating space is formed inside the cover body, an air inlet hole is formed in the bottom end face of the cover body, and the air inlet hole is communicated with the air outlet hole through the accommodating space; the suction assembly is arranged in the accommodating space and is used for forming negative pressure at the air inlet hole so that dirty air containing dirt can flow into the accommodating space from the air inlet hole; the filtering component is arranged between the suction component and the air inlet hole and is used for filtering dirty air; wherein, suction element still is used for forming the malleation at the exhaust vent for the clear air after being filtered can flow out the accommodation space through the exhaust vent. In this way, handheld dust catcher's exhaust vent in this application can use the ascending angle air-out of slant to avoid blowing away dust, file on the desktop, have convenient to use's advantage.

Description

Handheld dust collector

Technical Field

The application relates to the technical field of dust collectors, in particular to a handheld dust collector.

Background

At present, with the improvement of living standard, the requirement of people on office environment is higher and higher, and with the acceleration of life and work rhythm, how to clear up the desktop of desk fast also receives people's attention and demand increasingly, and the handheld dust catcher for cleaning the desktop also grows thereupon. Most of air flow at the air outlet of the existing handheld dust collector flows out in a horizontal state, so that dust at an uncleaned position on a desktop can be raised and files on the desktop can be blown away in the process of using the desktop dust collector, and inconvenience is brought to use. Therefore, there is a need for a handheld vacuum cleaner.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists in the above-mentioned technique, this application provides a handheld dust catcher, can be with the ascending angle air-out of slant to avoid blowing away dust, file on the desktop, have convenient to use's advantage.

In order to solve the technical problem, the technical scheme adopted by the application is as follows:

a hand-held cleaner for treating a surface to be cleaned, comprising: the cover body, its peripheral surface has air outlet holes that can wind in the angle of the oblique upper angle; an accommodating space is formed inside the cover body, an air inlet hole is formed in the bottom end face of the cover body, and the air inlet hole is communicated with the air outlet hole through the accommodating space; the suction assembly is arranged in the accommodating space and is used for forming negative pressure at the air inlet hole so that dirty air containing dirt can flow into the accommodating space from the air inlet hole; and a filter assembly disposed between the suction assembly and the air inlet hole for filtering the dirty air; wherein, the suction component is also used for the exhaust vent forms the malleation for the clean air after being filtered can pass through the exhaust vent flows out the accommodation space.

In an embodiment of this application, the fresh air inlet has first the central axis, the exhaust vent has the second the central axis, first the central axis with there is preset contained angle between the second the central axis, makes the exhaust vent can use the ascending angle air-out of slant.

In an embodiment of the present application, the predetermined included angle M ranges from 15 ° to 75 °.

In an embodiment of the present application, the air outlets are disposed on the outer circumferential surface of the cover according to a predetermined sequence.

In an embodiment of the application, the aperture of the plurality of air outlets is gradually increased and then gradually decreased in the extending direction of the first central axis.

In an embodiment of the present application, the aperture of the plurality of air outlets is gradually enlarged and then gradually reduced in the circumferential direction of the cover.

In an embodiment of the present application, after extending, second central axes of the plurality of air outlet holes intersect with the first central axis; or the second central axes of the air outlet holes are arranged in parallel.

In an embodiment of the present application, the vacuum cleaner further includes a base disposed in the accommodating space, and the suction assembly is disposed on the base; the base and the filter component are matched with each other to form an annular air guide area, and the annular air guide area is used for guiding the flowing direction of the clean air, so that the clean air can flow to the air outlet at an upward oblique angle.

In an embodiment of this application, the filter assembly includes support piece, support piece is the warpage situation in the slant gradually in the direction of extending toward the edge from its center, and then the guide clean air with the ascending angle flow direction of slant the exhaust vent.

In an embodiment of the present application, the base is gradually warped in an oblique upward direction in a direction extending from a center of the base to an edge of the base, so as to guide the clean air to flow toward the air outlet at an oblique upward angle; wherein, the base encloses with support piece and establishes jointly and forms annular air guide district.

Compared with the prior art, the application has the beneficial effects that:

the application provides a handheld dust catcher, it is through setting up the exhaust vent slope to make the exhaust vent can use the ascending angle air-out of slant, compare with the mode of traditional exhaust vent horizontal air-out, can avoid blowing away dust, file on the desktop, have convenient to use's advantage.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:

FIG. 1 is a schematic view of a hand-held vacuum cleaner according to an embodiment of the present disclosure;

FIG. 2 is a schematic cross-sectional view of a hand-held cleaner as set forth in the present application;

FIG. 3 is an exploded schematic view of the hand-held cleaner proposed herein;

FIG. 4 is an exploded view of the filter assembly of FIG. 1;

FIG. 5 is a schematic view of another embodiment of the hand-held cleaner of the present application;

FIG. 6 is a schematic cross-sectional view of FIG. 5;

FIG. 7 is a schematic view of a hand-held cleaner according to yet another embodiment of the present application;

FIG. 8 is a schematic cross-sectional view of FIG. 7;

FIG. 9 is a schematic view of a hand-held cleaner according to yet another embodiment of the present application;

FIG. 10 is an extension of FIG. 9;

fig. 11 is another extension of fig. 9.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "comprising" and "having," as well as any variations thereof, in this application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

In the prior art, most of air flow at the air outlet of the handheld dust collector flows out in a horizontal state, so that dust which is not cleaned on a desktop can be lifted and blown away by the air flow in the process of using the desktop dust collector, and a lot of inconvenience is brought to use.

In view of the above, the present application provides a handheld vacuum cleaner for processing a surface to be cleaned, especially cleaning an office desk, please refer to fig. 1 to 3, fig. 1 is a schematic structural diagram of the handheld vacuum cleaner in an embodiment, fig. 2 is a schematic sectional view of the handheld vacuum cleaner, and fig. 3 is an exploded schematic view of the handheld vacuum cleaner. In the present application, the hand-held cleaner 100 includes: the cover body, its peripheral surface has air outlet 111 that can be in the angle wind of the oblique upper angle, the air outlet 111 has the second central axis H; an accommodating space is formed inside the cover body, an air inlet hole 121 is formed in the bottom end face of the cover body, the air inlet hole 121 is provided with a first central axis L, and the air inlet hole 121 is communicated with the air outlet hole 111 through the accommodating space; a suction assembly 130 disposed in the accommodating space for forming a negative pressure at the air inlet holes 121 so that dirty air containing dirt can flow into the accommodating space from the air inlet holes 121; and a filter assembly 140 disposed between the suction assembly 130 and the air inlet hole 121 for filtering the dirty air; wherein, the suction assembly 130 is further configured to form a positive pressure at the air outlet 111, so that the filtered clean air can flow out of the accommodating space through the air outlet 111.

In this way, handheld dust catcher in this application through setting up exhaust vent 111 slope to make exhaust vent 111 can compare with the mode of traditional 111 horizontal air-out of exhaust vent with the ascending angle air-out in slant, can avoid blowing away dust, file on the desktop, have convenient to use's advantage.

Referring to fig. 1, the cover body may be formed by an upper cover 110 and a lower cover 120 that are fastened together along the axial direction of the handheld vacuum cleaner 100. Of course, in other embodiments, the cover body may also be integrally formed, which is not described herein. Therefore, when the upper cover 110 is separated from the lower cover 120, the ash can be poured conveniently.

Further, in order to enable the air outlet 111 to output air at an oblique upward angle, a preset included angle M exists between the first central axis L of the air inlet 121 and the second central axis H of the air outlet 111, so that the air outlet 111 can output air at an oblique upward angle.

Considering that the air outlet effect of the air outlet 111 is affected by too large or too small inclination angle, the range of the preset included angle M is set between 15 ° and 75 °, preferably, the values of the preset included angle M are 30 °, 45 ° and 60 °, under the above values, the wind resistance is small, and the air outlet effect of the air outlet 111 is good.

Further, a plurality of outlet holes 111 are provided on the outer circumferential surface of the upper cover 110 and/or the lower cover 120 in a predetermined order. The air outlets 111 can be distributed in an array, selectively distributed, or spirally distributed. It can be understood that the aperture arrangement of the air outlet 111 has various forms, specifically, the aperture of the air outlet 111 gradually increases and then gradually decreases in the extending direction of the first central axis L; the aperture of the plurality of air outlet holes 111 gradually increases and then gradually decreases in the circumferential direction of the upper cover 110 and/or the lower cover 120. It can be understood that the arrangement forms of the plurality of air outlet holes 111 are various, and the second central axes H of the plurality of air outlet holes 111 extend to intersect with the first central axis L; or the second central axes H of the plurality of outlet holes 111 are arranged parallel to each other.

In order to make the handheld dust collector have better upward air outlet capability, on the basis that the air outlet hole 111 can exhaust air at an upward oblique angle, an annular air guide area F is arranged in the accommodating space and used for guiding the flowing direction of clean air, so that the clean air can flow to the air outlet hole 111 at the upward oblique angle. Specifically, the handheld vacuum cleaner further includes a base 160 disposed in the accommodating space, and the suction assembly 130 is disposed on the base 160, wherein the base 160 and the filter assembly 140 cooperate with each other to form the annular air guiding region F.

Further, the filter assembly 140 includes a support 141, and the support 141 is gradually warped in an inclined upward direction in a direction extending from the center to the edge thereof, so as to guide the clean air to flow toward the air outlet 111 at an inclined upward angle.

Further, the base 160 is gradually warped in an inclined upward direction in a direction extending from the center to the edge thereof, and then guides the clean air to flow toward the air outlet 111 at an inclined upward angle. Wherein, a side of the base 160 close to the lower cover 120 and a side of the support 141 far from the lower cover 120 together enclose to form an annular air guiding area F.

In order to allow the annular ventilating zone F to guide the clean air to the air outlet hole 111 at an obliquely upward angle, the cross section of the supporter 141 and/or the base 160 is at least partially at least one of an arc shape, a cone shape, and a polygonal shape, which is a vertical plane passing through the first central axis L of the air inlet hole 121. In the present application, the cross section of the support 141 and/or the base 160 is at least partially in an arc shape, a cone shape, or a polygonal shape, which includes three parallel schemes, and each of the schemes is that the cross section of the support 141 is at least partially in an arc shape, a cone shape, or a polygonal shape, or the cross section of the base 160 is at least partially in an arc shape, a cone shape, or a polygonal shape, or the cross sections of the support 141 and the base 160 are at least partially in an arc shape, a cone shape, or a polygonal shape. In an embodiment, referring to fig. 2, a surface of the supporter 141 away from the lower cover 120 is a polygonal surface, and a surface of the base 160 close to the lower cover 120 is an arc surface, wherein an upward tilt posture of the surface of the base 160 close to the lower cover 120 is smaller than an upward tilt posture of the surface of the supporter 141 away from the lower cover 120.

In another embodiment, please refer to fig. 9, fig. 9 is a schematic structural diagram of the handheld vacuum cleaner in another embodiment of the present disclosure, in which the supporting member 141c includes a horizontally disposed supporting member body X and an air guiding ring Y disposed on a side of the supporting member body X away from the lower cover 120c, the air guiding ring Y is disposed around the air inlet 121c and close to the edge of the supporting member body X, and the air guiding ring Y has a conical ring shape with a large upper opening and a small lower opening along the extending direction of the air inlet 121c, so that the inner wall of the air guiding ring Y is tapered to allow the clean air to flow toward the air outlet 111c at an oblique upward angle. Meanwhile, the central area of the surface of the base 160c near the lower cover 120c is a straight plane, and the edge area is an arc surface, and the straight plane and the arc surface are smoothly transited, and gradually and obliquely warped upwards in the direction extending from the center of the base 160c to the edge, so as to guide the clean air to flow towards the air outlet 111c at an obliquely upwards angle. Referring to fig. 10, fig. 10 is an extension scheme of fig. 9, in this scheme, a surface of the base 160d near the lower cover 120d is a straight plane, and does not have a function of guiding wind in an inclined direction. The supporting member 141d includes a horizontally disposed supporting member body Xd and an air guiding ring Yd disposed on one side of the supporting member body Xd away from the lower cover 120d, the air guiding ring Yd is annularly disposed along the circumferential direction of the air inlet hole 121d and is disposed close to the edge of the supporting member body Xd, and in the extending direction along the air inlet hole 121d, the air guiding ring Yd is in a conical ring shape with a large upper opening and a small lower opening. Therefore, the inner wall of the air guide ring Yd is tapered, so that the clean air can flow to the air outlet 111d at an upward oblique angle.

Referring to fig. 11, fig. 11 is another extension of fig. 9, in this embodiment, a surface of the supporting member 141e away from the lower cover 120e is a straight plane, and does not have an upward oblique wind guiding capability for the airflow. The central area of the surface of the base 160e near the lower cover 120e is a straight plane, and the edge area is an arc-shaped surface, and the straight plane and the arc-shaped surface are smoothly transited from the center of the base 160e to the edge in a gradually upward-inclined warping state, so as to guide the clean air to flow toward the air outlet 111e at an upward-inclined angle. The above embodiments illustrate at least one of an arc, a cone, and a dogleg in cross-section of the support member 141 and/or the base 160, and the structure and function of the annular wind guiding region F can be clearly understood.

The support member 141 can be connected in various ways, and with continued reference to fig. 3 and 4, fig. 4 is an exploded view of the filter assembly shown in fig. 1. The supporting member 141 is detachably disposed on the upper cover 110, the upper cover 110 is a hollow shell with an open bottom, and the supporting member 141 is disposed at the open bottom of the upper cover 110. Specifically, a turning buckle 1411 is disposed on an outer circumferential surface of the supporting member 141, a turning buckle groove 112 for the turning buckle 1411 to be screwed into is disposed on an inner circumferential surface of the upper cover 110, and the supporting member 141 is disposed on the upper cover 110 through the cooperation of the turning buckle 1411 and the turning buckle groove 112. Therefore, the support member 141 and the upper cover 110 have the advantages of convenient and fast installation.

In another embodiment, please refer to fig. 5 and 6, fig. 5 is a schematic structural view of the handheld vacuum cleaner in another embodiment, and fig. 6 is a schematic sectional view of fig. 5. The supporting member 141a is detachably disposed on the lower cover 120a, so that the supporting member 141a and the lower cover 120a can be detachably connected together with the upper cover 110a after forming a whole. Therefore, the cleaned dust can be effectively limited in the space enclosed by the support 141a and the lower cover 120a, and the dust can be effectively prevented from flying when the lower cover 120a is detached.

Specifically, the lower cover 120a is provided on an inner circumferential surface thereof with a first axial positioning structure 122a for supporting the support 141a from the bottom. A locking structure a is provided between the inner circumferential surface of the lower cover 120a and the outer circumferential surface of the supporter 141a to achieve positioning in a direction perpendicular to the extending direction of the air inlet hole 121a, so as to prevent the lower cover 120a and the supporter 141a from shaking in a horizontal direction during use. The clamping structure a includes a guide rib 123a disposed on an inner wall of the lower cover 120a and a bayonet 1411a disposed on the support 141a and clamped with the guide rib 123a, wherein the guide rib 123a is distributed along an extending direction of the air inlet 121a, and the bayonet 1411a is disposed on a side wall of an edge of the support 141 a.

In another embodiment, please refer to fig. 7 and 8, fig. 7 is a schematic structural view of a handheld vacuum cleaner in another embodiment of the present application, and fig. 8 is a schematic sectional view of fig. 7. The supporting member 141b is detachably disposed on the lower cover 120b, so that the supporting member 141b and the lower cover 120b can be detachably connected together with the upper cover 110b after forming a whole. Specifically, the lower cover 120b is provided on an inner circumferential surface thereof with a first axial positioning structure 122b for supporting the support 141b from the bottom. The inner circumferential surface of the upper cover 110b is further provided with a second axial positioning structure 112b for axially positioning the support member 141b, after the upper cover 110b and the lower cover 120b are fastened, the bottom of the second axial positioning structure 112b abuts against the other side of the support member 141b far away from the lower cover 120b, and the top of the first axial positioning structure 122b abuts against one side of the support member 141b close to the lower cover 120 b. A locking structure b is provided between the inner circumferential surface of the lower cover 120b and the outer circumferential surface of the supporter 141b to achieve positioning in a direction perpendicular to the extending direction of the air inlet hole 121b, so as to prevent the lower cover 120b and the supporter 141b from shaking in a horizontal direction during use. The retaining structure b comprises a surrounding plate 1412b arranged on one side of the supporting member 141b close to the lower cover 120b, and a rib 1413b is arranged on the outer circumferential surface of the surrounding plate 1412b, wherein the rib 1413b is clamped between the inner circumferential surface of the lower cover 120b and the outer circumferential surface of the supporting member 141 b. Therefore, after the upper cover 110b and the lower cover 120b are buckled, the position of the supporting piece 141b in the accommodating space is determined, and even if the handheld dust collector shakes or jolts in the using process, the supporting piece 141b cannot be separated from the lower cover 120b, so that the handheld dust collector has the advantages of being stable and reliable in installation.

It can be understood that the supporting member 141 and the lower cover 120 can be connected by a screw connection, or the like, which is not described herein.

Further, the filter assembly 140 further includes a filter element 142 detachably disposed on the support element 141, and the filter element 142 is disposed on a side of the support element 141 away from the lower cover 120. The filter pack 142 includes a screen 1421 and a cartridge 1422.

Further, the upper cover 110 and the lower cover 120 may be disposed in various forms, such as a cylindrical housing, a square cylindrical housing, or an elliptic cylindrical housing, which is not limited herein.

To sum up, in this application handheld dust catcher through setting up the exhaust vent slope to make the exhaust vent can compare with the mode of traditional exhaust vent horizontal air-out with oblique ascending angle air-out, can avoid blowing away dust, file on the desktop, have convenient to use's advantage. Furthermore, in order to make the handheld dust collector have the air outlet capacity in the inclined direction of preferred, on the basis that the exhaust vent can be with the air outlet of the ascending angle in the inclined direction, set up an annular air guide zone F in the accommodation space, annular air guide zone F is used for guiding clean air's flow direction for clean air can flow to the exhaust vent with the ascending angle in the inclined direction. Further, support piece can dismantle and set up in the lower cover to make support piece and lower cover form a whole back, can together can dismantle with the upper cover and be connected, from this, the dust of clearance can effectually be restricted in the space that support piece and lower cover enclose and establish, when dismantling the lower cover, can effectually avoid the dust to fly upward. Further, filter and can dismantle with support piece and be connected, have the advantage that the clearance is convenient, the dismouting is convenient.

The above description is only for the purpose of illustrating embodiments of the present invention and is not intended to limit the scope of the present invention, and all modifications, equivalents, and equivalent structures or equivalent processes that can be used directly or indirectly in other related fields of technology shall be encompassed by the present invention.

Claims (10)

1. A hand-held cleaner for treating a surface to be cleaned, comprising:

the cover body is provided with an air outlet hole capable of discharging air at an upward oblique angle on the outer peripheral surface, an accommodating space is formed inside the cover body, an air inlet hole is formed on the bottom end surface of the cover body, and the air inlet hole is communicated with the air outlet hole through the accommodating space;

and the suction assembly is arranged in the accommodating space and used for forming negative pressure at the air inlet hole so that dirty air containing dirt can flow into the accommodating space from the air inlet hole.

2. The hand-held cleaner of claim 1,

the fresh air inlet has first the central axis, the exhaust vent has second the central axis, first the central axis with there is preset contained angle between the second the central axis, makes the exhaust vent can use the ascending angle air-out of slant.

3. The hand-held cleaner of claim 2,

the range of the preset included angle is 15-75 degrees.

4. The hand-held cleaner of claim 2,

the aperture of the air outlet is gradually enlarged and then gradually reduced in the extending direction of the first central axis.

5. The hand-held cleaner of claim 2,

the aperture of a plurality of exhaust vents is in the circumferencial direction of lid is earlier grow gradually, reduces gradually again.

6. The hand-held cleaner of claim 2,

and the second central axes of the air outlet holes are intersected with the first central axis after being extended.

7. The hand-held cleaner of claim 2, wherein the second central axes of the plurality of outlet vents are arranged parallel to each other.

8. The hand-held cleaner of claim 1, further comprising a base disposed in the receiving space and a suction assembly disposed on the base for filtering the dirty air;

the base and the filter assembly are matched with each other to form an annular air guide area, and the annular air guide area is used for guiding the flowing direction of clean air, so that the clean air can flow to the air outlet at an oblique upward angle.

9. The hand-held cleaner of claim 8,

the filter component comprises a support piece, the support piece is gradually warped obliquely upwards in the direction extending from the center of the support piece to the edge, and then the clean air is guided to flow towards the air outlet at an obliquely upward angle.

10. The hand-held cleaner of claim 9,

the base is gradually warped upwards in an inclined upward warping direction in the direction from the center to the edge of the base, and then the clean air is guided to flow to the air outlet at an inclined upward angle;

wherein, the base encloses with support piece and establishes jointly and forms annular air guide district.

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