CN214317923U - Hand-held vacuum cleaner - Google Patents

Abstract

A hand-held cleaner comprising: the air outlet device comprises a main body, a battery pack and an air outlet device arranged at the rear end of the main body, wherein the main body comprises a shell, a cyclone separator arranged on the shell and a motor coated by the shell, the motor is provided with an air outlet end, the air outlet device is communicated to the air outlet end of the motor, a flow guide device used for guiding airflow to be discharged out of the air outlet device is arranged in the air outlet device, the airflow guided by the flow guide device can be discharged more smoothly by adding the flow guide device, meanwhile, the air outlet end of the motor is prolonged to an external channel, and wind noise is greatly reduced.

Description

Hand-held vacuum cleaner

[ technical field ] A method for producing a semiconductor device

The utility model relates to a hand-held type dust catcher.

[ background of the invention ]

Present hand-held type dust catcher, comprising a main body, battery package and handle, generally, set up main part and battery package in the handle both sides, be used for balanced whole weight, the main part includes cyclone and casing, the cladding has motor and intercommunication cyclone's inlet channel in the casing, part periphery at casing cladding motor, the gas vent has been seted up, the motor operation produces the negative pressure and inhales the cyclone with the dirt gas and separates the back, the air current after will filtering, via motor discharge organism, in the current design, often set up the filtering material that is located motor air-out low reaches in the organism and reduce secondary pollution or realize making an uproar, however, often because the gas vent of casing centers on near the motor, can not effectually reach the effect of making an uproar. The exhausted rapid airflow can generate squeaking, and the experience feeling is very poor.

The closest prior art can refer to chinese utility model patent CN208740854U and discloses a hand-held vacuum cleaner, including the main part, set up in the battery package of main part rear end and the handle of connecting the main part, the main part includes cyclone, casing and sets up the motor in the casing, the motor is by the casing cladding, and is equipped with the air outlet of intercommunication motor in the outside of casing, and the motor outwards discharges the air current from the air outlet, and the air outlet of casing sets up the distance in the periphery of motor and motor shorter, and the air current is direct outwards discharged.

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

[ Utility model ] content

An object of the utility model is to provide a novel hand-held type dust catcher.

The utility model aims at realizing through the following technical scheme: a hand-held cleaner comprising: the air outlet device comprises a main body, a battery pack and an air outlet device arranged at the rear end of the main body, wherein the main body comprises a shell, a cyclone separator arranged on the shell and a motor coated by the main body, the motor is provided with an air outlet end, the air outlet device is communicated to the air outlet end of the motor, and a flow guide device used for guiding air flow to be discharged out of the air outlet device is arranged in the air outlet device.

Preferably, the flow guide device is in a horn shape with a small front part and a large rear part, and the rear end line of the flow guide device extends outwards to abut against the inner wall of the air outlet device.

Preferably, the side wall of the flow guiding device is in an inwards concave arc shape, and gas discharged from the air outlet end of the motor is guided by the side wall of the flow guiding device and is discharged outwards.

Preferably, the front end of the air guide device is forwards abutted against a mounting bracket of the motor.

Preferably, the flow guiding device is arranged coaxially with the motor.

Preferably, the outer diameter of the front end of the air guide device is approximately the same as the outer diameter of the motor.

Preferably, the side wall of the air outlet device is provided with an opening, and the flow guide device guides the air flow to the opening to be discharged outwards.

Preferably, the outer diameter of the air outlet device is smaller than that of the main body shell, and the connection part is in a contracted step shape.

Preferably, the air outlet device is mounted at the rear end of the shell of the main body in a split manner.

Preferably, the air outlet device is integrally formed at the rear end of the housing.

Compared with the prior art, the utility model discloses following beneficial effect has: through increasing guiding device, the air current after being guided by guiding device can discharge more smoothly, has prolonged the air-out end of motor simultaneously and has held the outside passageway, very big reduction wind is made an uproar.

[ description of the drawings ]

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

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

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

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

Fig. 5 is a perspective view of 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.

Fig. 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, wherein the bottom wall is in a closed state.

Fig. 11 is a partial cross-sectional view of the cyclone separator of the present 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 solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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 simplification of description, but 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can 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. The utility model discloses an among the best mode, a support bottom for supporting whole hand-held vacuum cleaner 100 is battery package 30 promptly, so set up, can be with complete machine weight, balanced arrangement is in the upper and lower both ends of handle, and the counter weight is more reasonable, and in other embodiments, battery package 30 still can set up the optional position outside handle 20 bottom as solitary subassembly module, like the position etc. of the top or rear end of main part 10, the fore-and-aft direction of handle 20, no longer describe herein.

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 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 needs to be communicated with the cyclone 110, and the cyclone 110 and the motor 140 are disposed along the front-rear direction on the same axis X, wherein the cyclone 110 is independent of the housing 120, and the cyclone 110 is detachably mounted on the housing 120.

The utility model discloses in, define cyclone 110 axis X's extending direction as the fore-and-aft direction, inlet channel 130 inhales the dirt gas end and is the place ahead, and motor 140 holds to be 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 from leaking. 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 channel 130 may be integrally formed with the housing 120 of the main body 10, that is, the air inlet channel 130 is extended in the housing 120. in the present invention, the air inlet channel 130 is independently disposed 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.

The utility model discloses an in the embodiment, this handle 20 is the arc setting, it is preferred, the circular arc that forms along the axis of this handle 20 is one section of intercepting above the circumference, the centre of a circle of this circumference falls on main part 10 below and is located the position in the place ahead of battery package 30, and simultaneously, ensure that the top peak of this circular arc is located between cyclone 110 axis X and inlet channel 130 axis, perhaps the top peak of this circular arc is tangent with cyclone 110 axis X, handle 20 is runway formula arc, satisfy ergonomics with the arc of guaranteeing handle 20, let the user gripping feel better, improve handle 20 and the laminating degree of palm of the hand, it is more real to feel, make the hand atress more even, in other embodiments, handle 20's arc can set up to anomalous arc, the utility model discloses in no longer.

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.

The utility model discloses in, be equipped with the protruding switch button 201 that stretches in the space 200 of gripping on the handle 20, and be provided with the trigger protective shroud 202 that extends to switch button 201 lower extreme from the handle 20 arc below switch button 201, this trigger protective shroud 202 is whole to extend to switch button 201's below along the arc along handle 20's front end, switch button 201 is protruding to be stretched to the front and is surpassed trigger protective shroud 202, trigger protective shroud 202 outline forms inside curved depressed part 2021, can be when the user uses, support the hand and lean on and accept in this depressed part 2021, can not occupy the space of switch button 201 of top, carry out totally closed with switch button 201's inside simultaneously, improve switch button 201's motion direction, strengthen the operation security, also can prevent that the foreign matter from getting into the jamming, a finger that is used for pressing switch button 201 leans on before more than grip handle 20's finger.

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.

Casing 120 is including setting up in the air-out device 16 of motor 140 rear end, can set up air-out filter equipment 161 and other decoration or counter weight material in its air-out device 16 the utility model discloses an embodiment, air-out device 16 is independent of the casing 120 setting of main part 10, and in other embodiments, the casing 120 of air-out device 16 can be with the casing 120 integrated into one piece of main part 10, no longer describes 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 discharged from the opening 163 to the outside. 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.

The utility model discloses in, in order to strengthen handheld dust catcher 100's whole visual effect, be provided with the atmosphere lamp 164 that can give out light in air-out device 16, preferred light is the LED lamp, the lamp produces the change when this LED lamp is in the functional state of various differences according to handheld dust catcher 100, the lamp is imitated and can be done corresponding change according to the complete machine state is automatic, for example, handheld dust catcher 100 is when not using, be the extinction state, be green light during the start-up, carry out the state control along with the user to handheld dust catcher, the colour of the continuous regulation light or carry out distinguishable state suggestion through flicker frequency.

Preferably, the light guide device is disposed inside the air outlet device 16, guides the light to the opening 163 through the air guide device 162, and exposes the light to the outside from the opening 163 for observation.

While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application suitable for this invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents. The above is only a specific embodiment of the present invention, and other improvements made on the premise of the inventive concept are all considered as the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A hand-held cleaner, characterized by: the method comprises the following steps: the air outlet device comprises a main body, a battery pack and an air outlet device arranged at the rear end of the main body, wherein the main body comprises a shell, a cyclone separator arranged on the shell and a motor coated by the shell, the motor is provided with an air outlet end, the air outlet device is communicated to the air outlet end of the motor, and a flow guide device used for guiding air flow to be discharged out of the air outlet device is arranged in the air outlet device.

2. The hand-held cleaner of claim 1, wherein: the flow guide device is in a horn shape with a small front part and a large rear part, and the rear end line of the flow guide device extends outwards to abut against the inner wall of the air outlet device.

3. The hand-held cleaner of claim 1, wherein: the side wall of the flow guide device is in an inwards concave arc shape, and gas discharged from the air outlet end of the motor is guided by the side wall of the flow guide device and is discharged outwards.

4. The hand-held cleaner of claim 1, wherein: the front end of the flow guide device is forwards abutted against a mounting bracket of the motor.

5. The hand-held cleaner of claim 1, wherein: the flow guide device and the motor are coaxially arranged.

6. The hand-held cleaner of claim 1, wherein: the outer diameter of the front end of the flow guide device is approximately the same as that of the motor.

7. The hand-held cleaner of claim 1, wherein: the side wall of the air outlet device is provided with an opening, and the flow guide device guides the airflow to the opening to be discharged outwards.

8. The hand-held cleaner of claim 1, wherein: the outer diameter of the air outlet device is smaller than that of the main body shell, and the connection part is in a contracted step shape.

9. The hand-held cleaner of any one of claims 1-8, wherein: the air outlet device is arranged at the rear end of the shell of the main body in a split mode.

10. The hand-held cleaner of any one of claims 1-8, wherein: the air outlet device is integrally formed at the rear end of the shell.

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