WO2017028286A1

WO2017028286A1 - Miniature vacuum cleaner

Info

Publication number: WO2017028286A1
Application number: PCT/CN2015/087574
Authority: WO
Inventors: 尚平
Original assignee: 尚平
Priority date: 2015-08-20
Filing date: 2015-08-20
Publication date: 2017-02-23

Abstract

A miniature vacuum cleaner (100), comprising a housing, blades (50) and a battery (60). The housing comprises an upper casing (10), a central casing (20) and a lower casing (30), the central casing (20) being detachably fixed to the upper casing (10), the central casing (20) being detachably fixed to the lower casing (30). The blades (50) are mounted and fixed between the central casing (20) and the lower casing (30), a bottom portion of the lower casing (30) is provided with an air inlet hole (33) in correspondence with the position of the blades (50), an air outlet hole (25) is arranged between the central casing (20) and the lower casing (30), and a filtration net (70) of the miniature vacuum cleaner (100) is mounted and fixed between the central casing (20) and the lower casing (30). The battery (60) is mounted and fixed between the upper casing (10) and the central casing (20). Arranging the housing in three portions which are respectively detachably fixed to form two cavities enables the two cavities to be separated from one another and mutually independent. The air inlet hole (33), the air outlet hole (25) and the filtration net (70) are arranged at positions of the lower casing (30) and the central casing (20), and devices within the cavity formed by the upper casing (10) and the central casing (20) are not affected when the central casing (20) and the lower casing (30) are detached for the disposal of dust. Likewise, devices within the cavity formed by the lower casing (30) and the central casing (20) are not affected when the central casing (20) and the upper casing (10) are detached.

Description

Micro vacuum cleaner

[Technical Field]

The present invention relates to the field of vacuum cleaners and, more particularly, to a micro vacuum cleaner.

【Background technique】

Existing vacuum cleaners are generally bulky and inconvenient to use.

[Summary of the Invention]

The technical problem to be solved by the present invention is to provide a micro vacuum cleaner that is convenient to use.

The object of the present invention is achieved by the following technical solutions: a micro vacuum cleaner comprising a casing, a blade and a battery, the casing comprising an upper casing, a middle casing and a lower casing, the middle casing and the upper casing being detachably fixed The middle case and the lower case are detachably fixed; the blade is fixedly mounted between the middle case and the lower case, and the bottom of the lower case is provided with an air inlet hole corresponding to the blade position, the middle case and the lower part An air outlet hole is disposed between the shells, and a filter screen of the micro vacuum cleaner is installed and fixed between the middle shell and the lower shell; the battery is installed and fixed between the upper shell and the middle shell.

Preferably, the upper shell and the middle shell are snap-fitted. The snap-on fixing is convenient for disassembly and installation, so that it is convenient to replace the upper and middle casings to form a battery in the cavity.

Preferably, the middle case is provided with at least two first buckles arranged at intervals. Correspondingly, the upper case is provided with a first card slot that is engaged with the first buckle, and the upper case is in the The first card slot is provided with a first escaping port for escaping the first shackle, and the first shackle is placed in the first sluice port to be inserted into the first card slot by rotation. The fixing method is simple and convenient, and the first buckle is inserted into the first card slot by rotating the upper shell or the middle shell in one direction, so that the first buckle and the first card slot are engaged, thereby the upper shell and the middle shell. Fixedly connected together; when the upper case and the middle case are removed, the upper case or the middle case is rotated in a direction opposite to the above-mentioned rotation direction so that the first buckle is separated from the first card slot, so that the upper case and the middle case are fixedly separated. Disassemble the upper and middle casings.

Preferably, the middle case is provided with a second buckle, and the upper case is provided with the second buckle The second card slot. The fixing between the upper and middle casings is made stronger by the engagement of the second buckle and the second card slot.

Preferably, the middle shell and the lower shell are snap-fitted. The snap-on fixing is convenient for disassembly and installation, so that it is convenient to clean the dust formed in the cavity between the middle shell and the lower shell.

Preferably, the lower case is provided with a third buckle and a fourth buckle, the third buckle and the fourth buckle are oppositely disposed, and the middle shell is respectively provided with the third buckle a third card slot, and a fourth card slot that is engaged with the fourth buckle. This is a specific way of matching the lower case and the middle case, and the middle case and the lower case are fixed by the third buckle and the third card slot and the fourth buckle and the fourth card slot. Robust and easy to disassemble.

Preferably, the third buckle and the fourth buckle are provided with reinforcing ribs. The reinforcing ribs are arranged to increase the strength of the third buckle and the fourth buckle, and the filter mesh is disposed between the middle shell and the lower shell, and the dust and the dust need to be frequently removed to remove the lower shell and the middle shell, so that the third buckle and the fourth card are The buckle is used at a relatively high frequency, and the ribs are added to increase the strength, thereby preventing the third buckle and the fourth buckle from being damaged frequently.

Preferably, the bottom of the housing is provided with a brush. During the vacuuming process, the brush brushes the dust on the tabletop or other surface to remove the dust from the table top or other surface, thereby facilitating the vacuum suction of the micro vacuum cleaner.

Preferably, the size of the housing gradually increases from the top to the bottom thereof. This arrangement makes the overall upper end of the micro-vacuum cleaner small and small, so that the user can use it by hand.

Preferably, the cross section of the housing is a closed arc shape. This arrangement makes the surface of the housing of the micro-vacuum cleaner free of corners, thereby preventing the user from damaging the user's hand due to the corners when gripping.

The casing of the micro vacuum cleaner of the present invention comprises three parts: an upper casing, a middle casing and a lower casing, wherein the three parts of the casing are detachably connected in sequence, wherein the upper casing and the middle casing are detachably connected to form a cavity, and the battery is fixedly mounted thereon. Between the shell and the middle shell, the upper and middle shells are removed to facilitate replacement of the battery between the upper and middle shells; the lower shell and the middle shell are detachably connected to form a cavity, and the blades and the filter are fixed in the middle shell Between the lower case and the lower case, the air inlet hole is disposed at the bottom of the lower case, and the air outlet hole is disposed between the middle case and the lower case to facilitate dusting and blowing of the blade, and the filter mesh is filtered, and the middle case and the lower case are removed to facilitate cleaning of the middle case. And dust inside the lower case; this hair The housing is arranged in three parts, which are respectively detachably fixed to form two cavities, so that the two cavities are separated from each other and independent of each other, and the air inlet hole, the air outlet hole and the filter net are disposed at the lower shell and the middle shell position. Removing the middle and lower casings will not affect the components in the cavity formed by the upper and middle casings; the same will not affect the components in the cavity formed by the lower and middle casings. .

[Description of the Drawings]

1 is a schematic view showing the overall structure of a micro vacuum cleaner according to an embodiment of the present invention;

Figure 2 is a cross-sectional view showing a micro vacuum cleaner of an embodiment of the present invention;

Figure 3 is a perspective view of the micro vacuum cleaner of the embodiment of the present invention;

4 is a schematic structural view of an upper case according to an embodiment of the present invention;

Figure 5 is a schematic structural view of a casing in an embodiment of the present invention;

6 is also a schematic structural view of a casing in an embodiment of the present invention;

Fig. 7 is a schematic structural view of a lower case according to an embodiment of the present invention.

Wherein: 10, upper shell; 11, first card slot; 12, second card slot; 13, first avoidance port; 20, middle case; 21, first buckle; 22, second buckle; Three card slot; 24, fourth card slot; 25, air outlet hole; 26, slot; 30, lower case; 31, third buckle; 32, fourth buckle; 33, air inlet hole; 35, reinforcing ribs; 36, extensions; 37, reinforcing plates; 40, drive motor; 50, blades; 60, batteries; 70, filter; 71, fixed frame; 100, micro vacuum cleaner; 110, control switch.

【detailed description】

The invention discloses a micro vacuum cleaner comprising a casing, a blade and a battery, the casing comprising an upper casing, a middle casing and a lower casing, wherein the middle casing and the upper casing are detachably fixed, and the middle casing and the lower casing are detachable Fixing; the blade is fixedly disposed between the middle shell and the lower shell, the bottom of the lower shell is provided with an air inlet hole corresponding to the position of the blade, and an air outlet hole is disposed between the middle shell and the lower shell, The filter of the micro vacuum cleaner is mounted and fixed between the middle case and the lower case; the battery is mounted and fixed between the upper case and the middle case. The housing of the micro vacuum cleaner of the present invention comprises three parts: an upper shell, a middle shell and a lower shell, and the three parts of the shell are detachably connected in sequence. Wherein, the upper shell and the middle shell are detachably connected to form a cavity, and the battery is fixed between the upper shell and the middle shell, and the upper and middle shells are removed to facilitate replacement of the battery between the upper shell and the middle shell; the lower shell and the middle The shells are detachably connected to form a cavity, the blades and the filter net are fixed between the middle shell and the lower shell, the air inlet holes are arranged at the bottom of the lower shell, and the air outlet holes are arranged between the middle shell and the lower shell to facilitate the dust collecting of the blades. And the wind, the filter filter, the middle shell and the lower shell are removed to facilitate cleaning the dust in the middle shell and the lower shell; the invention sets the shell into three parts, which are respectively detachably fixed to form two cavities, so that two The chambers are separated from each other and independent of each other, and the air inlet holes, the air outlet holes and the filter net are disposed at the lower shell and the middle shell position, and the middle shell and the lower shell are removed to clean the dust without forming the inner shell and the middle shell. The device has an effect; the same removal of the middle and upper shells does not affect the devices in the cavity formed by the lower and middle casings.

The invention will now be further described with reference to the drawings and preferred embodiments.

The micro vacuum cleaner of the present invention comprises a casing, a blade, a battery, a driving motor and a filter net. As shown in FIGS. 1-7, the driving motor 40 and the battery 60 are electrically connected, and the blade 50 is mounted and fixed on the output shaft of the driving motor, and is opened. The control switch 110 of the micro-vacuum cleaner 100 energizes the drive motor 40 to drive the blades 50 to rotate, and to perform dust suction through the air inlet holes 33 and the air outlet holes 25 in the casing.

The housing comprises three parts, namely an upper case 10, a middle case 20 and a lower case 30, and the upper case 10 and the middle case 20 are fixed by snapping, and the clamping and fixing manner is convenient for disassembly and installation. Of course, other can also be adopted. The upper and middle casings are fixed in a detachable manner, such as by screwing the upper and middle casings by screws. As shown in FIG. 2, the battery 60 and the driving motor 40 are mounted and fixed inside the cavity formed between the upper casing 10 and the middle casing 20, so that it is convenient to replace the upper casing and the middle casing to replace the battery between the upper casing and the middle casing. , or to detect and repair the drive motor in the upper and middle casings. The middle casing 20 is provided with a relief hole for escaping the output shaft of the drive motor corresponding to the drive motor mounting fixed position, and the output shaft of the drive motor passes through the middle case to pass between the middle case and the lower case 30, and the blade 50 is fixed to the output of the drive motor. The shaft is located in a cavity formed between the middle case and the lower case, and the filter net 70 is also located between the lower case and the middle case, and the air inlet hole 33 of the micro vacuum cleaner 100 for vacuuming is located at the bottom position of the lower case 30. The blade 50 is disposed corresponding to the position of the air inlet hole, so that the air suction effect of the blade 50 during the rotation process is better, so that the dust suction effect is better. An air outlet hole is arranged around the cavity formed between the middle shell and the lower shell to form a flow of air for vacuuming, and the filter net 70 surrounds The air outlet is installed to ensure that dust or debris enters the filter and prevents dust or debris from blowing out with the air outlet.

In the invention, the shell and the lower shell are also fixed and fixed by means of snap-on fixing, and the clipping and fixing are convenient for installation and disassembly, thereby facilitating the disassembly of the middle shell and the bottom shell, thereby facilitating cleaning of the filter net between the middle shell and the lower shell. Dust or debris. Of course, the lower case and the middle case can also be fixed by other detachable means. For example, the mutually matching threads are directly disposed on the surfaces of the middle case and the lower case, and the middle case and the lower case are directly screwed and fixed.

In this embodiment, the specific manner of the snap-on fixing of the upper casing 10 and the middle casing 20 is as follows: a schematic structural view of the middle casing shown in FIG. 5, the middle casing 20 is provided with at least two first cards arranged at intervals For the buckle 21, the number of the first buckles in the embodiment is two. Of course, other numbers may be set, for example, three, four, and the like. Correspondingly, as shown in FIG. 4, the upper casing 10 is provided with a first card slot 11 that is engaged with the first buckle 21, and the upper casing 10 is in the first card slot. The 11th position is provided with a first escape port 13 for escaping the first buckle 21, and the first buckle 21 is placed at the position of the first escape port 13 and is inserted into the first card slot 11 by rotation. The fixing method is simple and convenient, and the first buckle is inserted into the first card slot by rotating the upper shell or the middle shell in one direction, so that the first buckle and the first card slot are engaged, thereby the upper shell and the middle shell. Fixedly connected together; when the upper case and the middle case are removed, the upper case or the middle case is rotated in a direction opposite to the above-mentioned rotation direction so that the first buckle is separated from the first card slot, so that the upper case and the middle case are fixedly separated. Disassemble the upper and middle casings.

As shown in FIG. 4 and FIG. 5 , the middle casing 20 is provided with a second buckle 22 , and the upper casing 10 is provided with a second card slot 12 that is engaged with the second buckle 22 . The fixing between the upper and middle casings is made stronger by the engagement of the second buckle and the second card slot. The first buckle 21 is located at one end of the middle casing 20, and the second buckle 22 is located at the other end of the middle casing 20. The two first buckles 21 are disposed at an interval to form a triangular structure with the second buckle 22, correspondingly, The first card slot 11 and the second card slot 12 on the upper casing cooperate with the first buckle and the second buckle on the middle casing, so as to pass the first buckle and the first card slot and the second buckle The card is matched with the second card slot so that the upper case and the middle case are firmly fixed together, and the disassembly is convenient. This is a specific way of fixing the upper case and the middle case, and of course, other methods can be used for fixing. .

As shown in FIG. 5, the middle portion of the second buckle 21 is provided with a slot 26, and the corresponding upper casing is provided with a bump (not shown) engaged with the slot 26 on the inner wall of the first slot, thereby making the first The engagement effect of one buckle and the first card slot is better.

The specific locking manner between the middle case 20 and the lower case 30 of the micro vacuum cleaner of the present embodiment is as shown in FIG. 5-7, and the lower case 30 is provided with a third buckle 31 and a fourth buckle 32. The third buckle 31 and the fourth buckle 32 are oppositely disposed, and the middle casing 20 is respectively provided with a third card slot 23 that is engaged with the third buckle 31, and is engaged with the fourth buckle 32. The fourth card slot 24 is located on one side of the middle case, and the third card slot 23 and the fourth card slot 24 are located on the other side of the middle case. This is a specific way of matching the lower case and the middle case, and the middle case and the lower case are fixed by the third buckle and the third card slot and the fourth buckle and the fourth card slot. Robust and easy to disassemble.

The third buckle 31 and the fourth buckle 32 are provided with reinforcing ribs 35. The reinforcing ribs are provided to increase the strength of the third buckle and the fourth buckle. The filter mesh is disposed between the middle shell and the lower shell, and the dust is needed for cleaning. The lower and middle casings are often disassembled, so that the third buckle and the fourth buckle are used frequently, and the reinforcing ribs are added to increase the strength, thereby preventing the third buckle and the fourth buckle from being used frequently. damage. In order to further increase the strength of the third buckle and the fourth buckle, the lower shell is respectively provided with a reinforcing plate 36 at the third buckle and the fourth buckle position, and the reinforcing plate 36 is connected with the reinforcing rib 35, thereby further increasing the third card. The strength of the buckle and the fourth buckle.

In the embodiment, the bottom of the housing is provided with a brush 34, and the brush 34 is disposed around the air inlet hole 33. During the vacuuming process, the brush 34 brushes the dust on the table top or other surface to play the role of removing the dust from the table top or other surface, thereby facilitating the micro-vacuum to suck the dust into the air inlet hole 33.

In this embodiment, the size of the housing gradually increases from the top to the bottom thereof, such that the overall upper end of the micro vacuum cleaner has a small lower end, which is suitable for the user's hand shape, and the user holds the micro vacuum cleaner by hand. At the top, the air is sucked through the air inlet hole at the bottom of the micro vacuum cleaner, so that the user can use it by hand. Moreover, the cross section of the casing is a closed arc shape, so that the surface of the casing of the micro vacuum cleaner has no edges and corners, thereby increasing the comfort of the user, and preventing the user from using the corners when gripping. The hand of the person caused damage. Of course, the cross section of the housing may also be other structures, such as a triangular structure, a quadrilateral structure, and the like.

In this embodiment, as shown in FIG. 2-3, the micro-vacuum cleaner 100 further includes a fixing frame 71 for mounting the fixed filter 70. The filter net is fixedly mounted on the fixing frame 71, and the fixing frame 71 is further fixed to the lower case. Compared with the middle shell, the filter is directly fixed between the middle shell and the lower shell, and the filter is fixed and fixed on the fixing frame so that the filter screen has better effect of filtering dust or debris.

The above is a further detailed description of the present invention in connection with the specific preferred embodiments, and the specific embodiments of the present invention are not limited to the description. It will be apparent to those skilled in the art that the present invention may be made without departing from the spirit and scope of the invention.

Claims

A micro vacuum cleaner comprising a casing, a blade and a battery, wherein the casing comprises an upper casing, a middle casing and a lower casing, wherein the middle casing and the upper casing are detachably fixed, and the middle casing and the lower casing are Disassembling and fixing; the blade is fixedly disposed between the middle shell and the lower shell, the bottom of the lower shell is provided with an air inlet hole corresponding to the position of the blade, and an air outlet hole is disposed between the middle shell and the lower shell, The filter of the micro vacuum cleaner is mounted and fixed between the middle case and the lower case; the battery is mounted and fixed between the upper case and the middle case.
A vacuum cleaner according to claim 1, wherein said upper and middle casings are snap-fitted.
The micro vacuum cleaner according to claim 2, wherein the middle casing is provided with at least two first buckles arranged at intervals, and correspondingly, the upper casing is provided with a card engaged with the first buckle a first card slot, the upper casing is provided with a first escape port for avoiding the first buckle at the first card slot position, and the first buckle is placed at a position of the first escape port by a rotary snap-in Going into the first card slot.
The micro-vacuum cleaner according to claim 3, wherein the middle casing is provided with a second buckle, and the upper casing is provided with a second card slot that is engaged with the second buckle.
A vacuum cleaner according to claim 1, wherein said middle case and said lower case are snap-fitted.
The micro-vacuum cleaner according to claim 5, wherein the lower casing is provided with a third buckle and a fourth buckle, and the third buckle and the fourth buckle are oppositely disposed, and the middle casing is separately disposed There is a third card slot that is engaged with the third buckle card and a fourth card slot that is engaged with the fourth buckle card.
A micro vacuum cleaner according to claim 6, wherein said third and fourth snaps are provided with reinforcing ribs.
A vacuum cleaner according to claim 1, wherein a bottom of said housing is provided with a brush.
A vacuum cleaner according to claim 1, wherein said casing is gradually increased in size from a top portion to a bottom portion thereof.
A vacuum cleaner according to claim 2, wherein said housing has a closed arc shape in cross section.