CN112617654A - Hand-held vacuum cleaner - Google Patents

Abstract

A hand-held cleaner comprising: the main part, set up in the battery package of main part below and connect the handle between main part and battery package, the main part includes cyclone, cyclone is equipped with an axis that extends along the fore-and-aft direction, and wherein, the handle is crooked arc setting, the handle sets up to one section arc on the circumference, the centre of a circle setting of circumference is located the space between main part below and the handle the place ahead, sets the handle of hand-held type dust catcher to the arc in order to guarantee that the handle satisfies ergonomics, lets the user gripping feel better, improves handle and palm of the hand laminating degree, feels more substantial, makes the hand atress more even.

Description

Hand-held vacuum cleaner

[ technical field ] A method for producing a semiconductor device

The invention relates to a handheld dust collector.

[ background of the invention ]

The closest prior art can refer to the Chinese patent of patent No. CN106859485B, which is granted to Daisen by applicant, and discloses a hand-held dust collector, which comprises a main body, a battery pack and a handle connected between the main body and the battery pack, wherein the main body comprises a cyclone separator and a motor arranged behind the cyclone separator, the cyclone separator and the motor are arranged in front of and behind the horizontal axis, and are provided with an air inlet positioned on the front end cover of the cyclone separator, the handle is obliquely and vertically arranged between the main body and the battery pack, the motor is integrally positioned behind the connecting position of the handle and the main body, the cyclone separator is integrally positioned in front of the connecting position of the handle and the main body, and the arrangement is characterized in that the handle is arranged in an upper-lower equal width manner, the handle is uncomfortable to be held for a long time, meanwhile, because the length of the cyclone separator is greater than the motor part positioned at the rear, the integral weight proportion is seriously unbalanced, the hand feeling of a user is poorer in the use process, and good experience can not be obtained in the use process.

Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.

[ summary of the invention ]

The invention aims to provide a handheld dust collector with a bent handle.

The purpose of the invention is realized by the following technical scheme: a hand-held cleaner comprising: the battery pack comprises a main body, a battery pack arranged below the main body and a handle connected between the main body and the battery pack, wherein the main body comprises a cyclone separator, the cyclone separator is provided with an axis extending along the front-back direction, the handle is arranged in a curved arc shape, the handle is arranged in one section of arc shape on the circumference, and the circle center of the circumference is arranged in a space between the lower part of the main body and the front of the handle.

Preferably, the apex of the circumference on which the handle lies has at most one point of intersection with the axis of the cyclone separator.

Preferably, the apex of the circumference on which the handle lies is located between the axis of the cyclonic separator and the lower end face of the main body.

Preferably, the bottom of the handle is proximate to the rear end of the battery pack.

Preferably, the main part is internally covered with a motor, the motor is positioned above the top of the handle and on the plane projection of the bottom surface of the battery pack, and the projection of the motor and the handle is overlapped.

Preferably, the handle overlaps with a projection of the battery pack onto a support plane of the battery pack.

Preferably, a hand-held cleaner includes: the handle is connected to the main part, the front end of handle still is equipped with the bracing piece that is connected to the main part, form the space of gripping between handle and the bracing piece, the space of gripping is the trend of narrow-end-up width down.

Preferably, the handle is arranged to be an arc shape on the circumference, and an acute included angle is formed between the distance from the circle center of the circumference to the upper end and the distance from the circle center of the circumference to the lower end of the handle.

Preferably, the acute angle is not more than 80 ° and not less than 15 °.

Preferably, the center of gravity of the whole handheld dust collector is offset above the handle.

Preferably, a hand-held cleaner includes: the main part includes cyclone, motor and is used for the shell of cladding motor, cyclone is equipped with the axis that extends along the fore-and-aft direction, the motor axis with cyclone axis is parallel or overlap, wherein, the handle is the arc setting, and the axis of handle and cyclone's axis only have an intersect at most.

Compared with the prior art, the invention has the following beneficial effects: the handle of the handheld dust collector is arranged to be arc-shaped so as to ensure that the handle meets the ergonomics, a user can grasp the handle better, the fitting degree of the handle and the palm of the hand is improved, the handle is more solid, and the stress of the hand is more uniform.

[ description of the drawings ]

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a perspective view from another perspective of the present invention.

Fig. 3 is a perspective view from another perspective of the present invention.

Fig. 4 is a perspective view from another perspective of the present invention.

Fig. 5 is a perspective view from another perspective of the present invention.

Fig. 6 is an exploded perspective view of the present invention.

Fig. 7 is a cross-sectional view of the present invention.

Fig. 8 is a partial cross-sectional view of the present invention.

Figure 9 is an exploded view of the cyclone separator of the present invention.

FIG. 10 is a partial cross-sectional view of the cyclone separator of the invention with the bottom wall in a closed condition.

FIG. 11 is a partial cross-sectional view of the cyclone separator of the invention with the bottom wall in an open condition.

Fig. 12 is a partially enlarged view of a portion a in fig. 8.

[ detailed description ] embodiments

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the mechanism or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 12, the present invention provides a handheld vacuum cleaner 100, including: a main body 10, a handle 20 connected to the main body 10, a support base provided at a lower end of the handle 20 for supporting the entire hand-held cleaner 100, and a battery pack 30 for supplying power. In the preferred embodiment of the present invention, the bottom of the support for supporting the whole handheld vacuum cleaner 100 is the battery pack 30, so that the weight of the whole handheld vacuum cleaner can be uniformly distributed at the upper and lower ends of the handle, and the counterweight is more reasonable, in other embodiments, the battery pack 30 can be still arranged at any position outside the bottom end of the handle 20, such as the top end or the rear end of the main body 10, the position of the handle 20 in the front-rear direction, and the like, as an independent component module, and will not be described herein again.

The body 10 includes: the cyclone separator 110, the housing 120, an air inlet channel 130 communicating with the cyclone separator 110, and a motor 140 disposed in the housing 120 and covered for generating negative pressure. The battery 30 is used for supplying power to the motor 140 to generate negative pressure, the air inlet channel 130 sucks dust and gas into the cyclone separator 110, separates the dust and gas through the cyclone separator 110, and discharges the air after dust and gas separation to the outside through the motor 140. In the embodiment of the present invention, it is preferable that the cyclone separator 110 and the motor 140 are coaxially disposed along the front-rear direction, in other embodiments, the motor 140 may be offset, or may be disposed at other positions of the handheld vacuum cleaner 100, and only need to communicate with the cyclone separator 110, and the cyclone separator 110 and the motor 140 are disposed along the front-rear direction and located on the same axis X, wherein the cyclone separator 110 is disposed independently from the housing 120, and the cyclone separator 110 is detachably mounted on the housing 120.

In the present invention, the extending direction of the axis X of the cyclone 110 is defined as the front-rear direction, the dust suction end of the air inlet passage 130 is the front, and the motor 140 is the rear.

The motor 140 is provided with an air inlet end 1401 and an air outlet end 1402 opposite to the air inlet end 1401, the motor 140 is horizontally arranged along the axial direction, and in the present embodiment, the axis of the motor 140 is parallel to, preferably overlaps, the axis X of the cyclone 110. The air inlet end 1401 of the motor 140 is communicated with the cyclone separator 110, and dust and air separated by the cyclone separator 110 enters the motor 140 from the air inlet end 1401 of the motor 140 and is discharged outside from the air outlet end 1402 of the motor 140.

The cyclone separator 110 includes: cup 111 and set up cyclone 112 in cup 111, cup 111 includes annular lateral wall 1111, diapire 1112 and by the built-in space 1100 of lateral wall 1111 and diapire 1112 surrounding formation, cyclone 110 extends inwards and sets up in the built-in space 1100 of cup 111, sets up the income gas port 1113 that communicates inlet channel 130 on the lateral wall 1111 of cup 111, and dust and air gets into in cup 111 from income gas port 1113, rotates and carries out dust and air separation through cyclone 112 along the inner wall of cup 111, and the air after the separation is discharged from cyclone 112.

The air inlet channel 130 is disposed below the cyclone separator 110 and connected to the housing 120 covering the motor 140, the cyclone separator 110 is mounted above the air inlet channel 130 and supported by the air inlet channel 130, the air inlet channel 130 extends in the front-back direction and is hollow to allow dust and air to pass through, an air inlet 1301 is disposed at the front end of the air inlet channel 130 for sucking dust and air, an air outlet 1302 is disposed at the rear end of the air inlet channel 130, the air outlet 1302 abuts against the air inlet 1113 of the cup body 111 to allow dust and air to flow into the cyclone separator 110 through the air inlet channel 130, when the cyclone separator is mounted and placed, the air inlet 1113 of the cup body 111 downward corresponds to the air outlet 1302 of the air inlet channel 130, and a sealing ring 15 is disposed at the air inlet 1113 of the cup body 111 and/or the air outlet 1302 of the air inlet channel 130 for sealing, so as to prevent dust and air. The inlet 1301 of the inlet channel 130 extends forwardly beyond the bottom wall 1112 of the cup 111 of the cyclonic separator 110. Wherein when the cyclone separator 110 is installed on the air inlet passage 130, a filtering HEPA is provided between the cyclone separator 110 and the motor 140.

The air inlet passage 130 may be integrally formed with the housing 120 of the main body 10, that is, the air inlet passage 130 is extended in the housing 120, and in the present invention, it is most preferable that the air inlet passage 130 is separately formed inside the housing 120 and covered by the housing 120.

The handle 20 is connected to the lower side of the main body 10 and the battery pack 30 is disposed at the other end of the handle 20, and in order to stabilize the upper main body 20 and the cyclone separator 110 mounted to the main body 20, a support bar 40 is additionally disposed between the main body 20 and the battery pack 30 at the front end of the handle 20, and the support bar 40 is used to support the entire main body 10 and the cyclone separator 110 mounted to the main body 10, such that the battery pack 30 supports the main body 10 and the cyclone separator 110 together via the handle 20 and the support bar 40.

In the embodiment of the present invention, the handle 20 is arranged in an arc shape, preferably, the arc formed along the axis of the handle 20 is a segment cut from the circumference, the center of the circumference falls below the main body 10 and is located in front of the battery pack 30, and at the same time, the highest point of the top of the arc is located between the axis X of the cyclone separator 110 and the axis of the air inlet channel 130, or the highest point of the top of the arc is tangent to the axis X of the cyclone separator 110, the handle 20 is in a runway-type arc shape, so as to ensure that the arc shape of the handle 20 meets ergonomics, enable a user to have a better hand feeling, improve the fitting degree of the handle 20 and the palm, and have a fuller hand feeling, so that the hand is stressed more uniformly, in other embodiments, the arc shape of the handle 20 may be an irregular arc shape, and.

The handle 20 is located at the apex of the circumference at most one point of intersection with the axis X of the cyclonic separator 110.

In a preferred embodiment, the angle formed by the distance between the center of the circle on which the arc of the handle 20 is located and the upper and lower ends of the handle 20 is not greater than 80 ° and not less than 15 °. The overall center of gravity of the entire hand-held cleaner 100 is offset above the handle 20.

The lower end of the handle 20 is arranged near the rear end of the battery pack, the motor 140 is arranged right above the handle 20, and the motor 140 and the handle 20 are both located in the projection of the bottom support plane of the battery pack 30.

The support bar 40 is vertically and obliquely supported below the main body 10 or the air inlet channel 130 with the top end forward, a holding space 200 for grasping is formed between the support bar 40 and the handle 20, and the bottom end of the support bar 40 is connected above the front end of the battery pack 30. Wherein the focal point of the axis of the support bar 40 and the axis X of the cyclone separator is located within the cyclone separator. Because the handle 20 is arc-shaped, the whole holding space 200 tends to be narrow at the top and wide at the bottom, and the ratio of the distance from the upper end of the handle 20 to the front end support rod 40 to the distance from the lower end of the handle 20 to the support rod 40 is 1.1-2.

In the invention, the handle 20 is provided with the switch key 201 protruding from the holding space 200, the trigger guard ring 202 extending from the handle 20 to the lower end of the switch key 201 in an arc shape is arranged below the switch key 201, the whole trigger guard ring 202 extends to the lower part of the switch key 201 in an arc shape along the front end of the handle 20, the switch key 201 protrudes forwards beyond the trigger guard ring 202, the outer contour of the trigger guard ring 202 forms an inward arc-shaped depressed part 2021, when a user uses the handle, the hand is abutted and contained in the depressed part 2021, the space of the switch key 201 above is not occupied, meanwhile, the inside of the switch key 201 is totally enclosed, the motion guide of the switch key 201 is improved, the operation safety is enhanced, foreign matter is prevented from entering and blocking, and the fingers used for pressing the switch key 201 are more ahead than the fingers holding the handle 20.

The switch button 201 projects forwardly beyond the trigger retainer 202 in the initial state of the switch button 201, i.e., the non-use state, and in the use state, as the switch button 201 is pressed, the switch button 201 retracts inwardly of the handle 20, preferably, the switch button 201 projects slightly forwardly beyond the trigger retainer 202 in the extreme pressed position, and in other embodiments, may be flush with the trigger retainer 202.

The housing 120 includes an air outlet device 16 disposed at the rear end of the motor 140, and an air outlet filter 161 and other decorative parts or weight materials may be disposed in the air outlet device 16, in an embodiment of the present invention, the air outlet device 16 is disposed independently from the housing 120 of the main body 10, in other embodiments, the housing 120 of the air outlet device 16 may be integrally formed with the housing 120 of the main body 10, and details thereof are not repeated herein.

The air outlet device 16 is coaxially arranged with the cyclone separator 110 and the motor 140, the air outlet device 16 is arranged at the downstream of the motor 140, the outer diameter of the air outlet device 16 is smaller than the outer diameter of the casing 120 of the main body 10 and is connected to the casing 120 of the main body 10, the connection part of the air outlet device 16 and the casing 120 is in a shrinking ladder shape, the air outlet device 16 is communicated with an air outlet end 1402 of the motor 140, a flow guide device 162 and an opening 163 communicated with the inside and the outside are arranged in the air outlet device 16, and air discharged from the air outlet end 1402 of the motor 140 is guided by the flow guide device 162 and then is. In a preferred embodiment, the air guiding device 162 is in a horn shape with a small front and a large rear, the rear end of the air guiding device 162 turns outwards in the air outlet device 16 and abuts against the inner wall of the air outlet device 16, the front end of the horn-shaped air guiding device 162 abuts against the mounting bracket of the motor 140, the outer diameter of the front end of the air guiding device 162 is substantially consistent with the outer diameter of the motor 140 as a whole, and the air flow discharged from the air outlet end 1402 of the motor 140 flows along the outer wall of the air guiding device 162 until being guided to be discharged out of the air outlet device 16. The air flow guided by the flow guide device 162 can be discharged more smoothly, and meanwhile, the passage from the air outlet end of the motor 140 to the outside is prolonged, so that the wind noise is greatly reduced.

The opening 163 of the air outlet device 16 is of a full-open structure, at least one opening 163 is arranged around two sides of the air outlet device 16, the end of the opening 163 is arranged in the front-back direction of the flow guide device 162 in the air outlet device 16 and abuts against the inner wall of the air outlet device 16, and in order to enable air flow to be discharged outwards from the opening 163 more smoothly, the rear end of the opening 163 is flush with the position, abutting against the inner wall of the air outlet device 16, of the flow guide device 162, so that the air volume is prevented from being accumulated, and the noise reduction effect can be further enhanced.

The air outlet device 16 is substantially annular, the outer diameter of the air outlet device 16 is smaller than the outer diameter of the casing 120 of the main body 10, and the openings 163 are disposed at the periphery of the air outlet device 16, preferably, two openings are disposed in bilateral symmetry, so that the accelerated discharge of the air volume can be realized, and the overall performance and effect are further improved.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents. The above is only one embodiment of the present invention, and any other modifications based on the concept of the present invention are considered as the protection scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims (11)

1. A hand-held cleaner, characterized by: the method comprises the following steps: the battery pack comprises a main body, a battery pack arranged below the main body and a handle connected between the main body and the battery pack, wherein the main body comprises a cyclone separator, the cyclone separator is provided with an axis extending along the front-back direction, the handle is arranged in a curved arc shape, the handle is arranged in one section of arc shape on the circumference, and the circle center of the circumference is arranged in a space between the lower part of the main body and the front of the handle.

2. The hand-held cleaner of claim 1, wherein: the top point of the circumference of the handle and the axis of the cyclone separator have at most one intersection point.

3. The hand-held cleaner of claim 1, wherein: the top point of the circumference where the handle is located between the axis of the cyclone separator and the lower end face of the main body.

4. The hand-held cleaner of claim 1, wherein: the bottom of the handle is near the rear end of the battery pack.

5. The hand-held cleaner of claim 1, wherein: the main part is internally covered with a motor, the motor is positioned above the top of the handle and on the plane projection of the bottom surface of the battery pack, and the motor is overlapped with the projection of the handle.

6. The hand-held cleaner of claim 1, wherein: the handle overlaps with the projection of the battery pack on the battery pack support plane.

7. A hand-held cleaner, characterized by: the method comprises the following steps: the handle is connected to the main part, the front end of handle still is equipped with the bracing piece that is connected to the main part, form the space of gripping between handle and the bracing piece, the space of gripping is the trend of narrow-end-up width down.

8. The hand-held cleaner of claim 7, wherein: the handle is arranged into an arc shape on the circumference, and an acute included angle is formed between the distance from the circle center of the circumference to the upper end and the distance from the circle center of the circumference to the lower end of the handle.

9. The hand-held cleaner of claim 8, wherein: the acute angle is not more than 80 ° and not less than 15 °.

10. The hand-held cleaner of claim 7, wherein: the gravity center of the whole handheld dust collector is offset above the handle.

11. A hand-held cleaner, characterized by: the method comprises the following steps: the main part includes cyclone, motor and is used for the shell of cladding motor, cyclone is equipped with the axis that extends along the fore-and-aft direction, the motor axis with cyclone axis is parallel or overlap, wherein, the handle is the arc setting, and the axis of handle and cyclone's axis only have an intersect at most.

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