CN114668332A

CN114668332A - Combined table top dust collector

Info

Publication number: CN114668332A
Application number: CN202011567137.7A
Authority: CN
Inventors: 金响标
Original assignee: Yiwu Dingbang Stationery And Sporting Goods Co ltd
Current assignee: Yiwu Dingbang Stationery And Sporting Goods Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2022-06-28
Anticipated expiration: 2040-12-25
Also published as: CN114668332B

Abstract

The invention discloses a combined desktop dust collector, which comprises a dust collection unit and a driving unit, wherein the dust collection unit comprises a dust collection box and a dust collection box; the dust collection unit comprises a first shell and a wind wheel positioned in the first shell, and the first shell is provided with a dust collection port and an air outlet; the driving unit comprises a second shell, a motor and a driving shaft; the front end of the driving shaft extends out of the second shell to form a driving head, and the driving head penetrates into the first shell to be connected with the wind wheel; the motor drives the wind wheel to rotate through the driving shaft; after the driving unit and the dust collection unit are combined, a driving shaft of the driving unit provides rotating power for the wind wheel; meanwhile, the dust collection unit omits electronic components such as a motor, a switch and the like, and can be directly cleaned by water; and the integral manufacturing cost of the two is reduced; meanwhile, the mode of inserting the driving unit into the dust collection unit has the entertainment effect of an assembling tool and can be popular with students or office groups.

Description

Combined table top dust collector

Technical Field

The invention relates to a desktop dust collector, in particular to a combined desktop dust collector.

Background

The desktop dust collector is small in size, can be held by a single hand, is used for cleaning garbage and dust on a desktop, and can also be used for cleaning dust in computer keyboards and desktop cracks. The electric eraser drives the eraser to rotate by a motor and is used for erasing pencil characters.

The desktop dust collector with the authorization notice number of CN210842842U comprises a base, an upper shell and a lower shell, wherein the upper end of the base is connected with the upper shell, a motor is arranged on the base, the lower end of the base is connected with the lower shell to form an accommodating cavity, a dust suction port is arranged at the bottom of the lower shell, a fan is arranged in the accommodating cavity, and the fan is connected with the motor.

A desktop dust collector with the publication date of CN211381091U discloses that a motor for driving a fan is arranged in a base body, the fan is positioned in the lower end part of the base body, and a plurality of brushes are arranged on the lower end surface of a lower shell.

A multipurpose electric eraser with publication number CN2169555Y is composed of a casing, a miniature motor with drive wheel, driven wheel, and eraser head.

The desktop dust collector and the electric eraser are sold as a school supply set, and the manufacturing cost of the product is higher.

Disclosure of Invention

The invention aims to provide a combined desktop dust collector.

The technical scheme adopted by the invention for solving the technical problems is as follows: the combined desktop dust collector is characterized by comprising a dust collection unit for cleaning desktop dust and a driving unit for providing power for the dust collection unit;

The dust collection unit comprises a first shell and a wind wheel positioned in the first shell, and the first shell is provided with a dust collection port and an air outlet for exhausting airflow;

the driving unit comprises a second shell, a motor and a driving shaft, wherein the motor and the driving shaft are positioned in the second shell; the front end of the driving shaft extends out of the second shell to form a driving head, and the driving head penetrates into the first shell to be connected with the wind wheel; the motor drives the wind wheel to rotate through the driving shaft.

The further preferable technical scheme of the invention is as follows: and the top wall of the first shell is provided with an air avoiding window, and the driving head extends into the air avoiding window and is connected with the wind wheel in the first shell.

The further preferable technical scheme of the invention is as follows: the center of the wind wheel is provided with a shaft seat connected with the driving head.

The further preferable technical scheme of the invention is as follows: and a switch for controlling the opening and closing of the motor is arranged on the second shell.

The further preferable technical scheme of the invention is as follows: the shaft seat is provided with a shaft hole, the inner wall of the shaft hole is provided with a first tooth structure, and the side wall of the driving head is provided with a second tooth structure matched with the first tooth structure.

The further preferable technical scheme of the invention is as follows: the dust collection port is arranged at the bottom of the first shell, the bristles are arranged at the bottom of the first shell and are positioned at the periphery of the dust collection port, and the air outlet is an annular air outlet ring arranged on the side wall of the first shell.

The further preferable technical scheme of the invention is as follows: the first shell comprises a bottom shell and an upper shell, and the bottom shell is connected with the upper shell through a buckle structure.

The further preferable technical scheme of the invention is as follows: the inner surface of the bottom shell is provided with a retaining ring surrounding the dust suction opening so as to form a dust collection cavity between the retaining ring and the side wall of the bottom shell.

The further preferable technical scheme of the invention is as follows: the lower end of the wind wheel is provided with a supporting end, and the inner surface of the bottom shell is provided with a concave hole matched with the supporting end; the upper shell is provided with a connecting seat, and a bearing is arranged between the connecting seat and the shaft seat of the wind wheel.

The further preferable technical scheme of the invention is as follows: and a battery for supplying power to the motor is arranged in the second shell.

Compared with the prior art, the invention has the advantages that the driving shaft on the driving unit drives the wind wheel in the dust collection unit to rotate, so that the dust collection unit has the effect of dust collection; the dust collection unit needs power of the driving unit, namely after the driving unit is combined with the dust collection unit, a driving shaft of the driving unit provides rotating power for the wind wheel; meanwhile, the dust collection unit omits electronic components such as a motor, a switch and the like, and can be directly cleaned by water; and the integral manufacturing cost of the two is reduced; meanwhile, the mode of inserting the driving unit into the dust collection unit has the entertainment effect of an assembling tool and can be popular with students or office groups.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

FIG. 1 is a schematic view of the overall structure of the combined tabletop vacuum cleaner;

FIG. 2 is a schematic plan view of the modular tabletop cleaner;

FIG. 3 is a longitudinal cross-sectional view of the combination tabletop cleaner;

FIG. 4 is a schematic view of the dust suction unit and the driving unit;

FIG. 5 is a longitudinal sectional view of the dust suction unit;

FIG. 6 is a bottom schematic view of the dust extraction unit;

FIG. 7 is a first exploded view of the dust suction unit;

FIG. 8 is a second exploded view of the dust suction unit;

FIG. 9 is a schematic view of the assembly structure of the driving head and the wind wheel;

FIG. 10 is a schematic view of the structure of the driving head and the eraser;

fig. 11 is a schematic view of the overall structure of the wind wheel.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.

It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined or explained in subsequent figures.

As shown in fig. 1 to 4, the combined table top cleaner 100 includes a cleaning unit 10 and a driving unit 20; the dust collection unit 10 comprises a first shell 11 and a wind wheel 12 positioned in the first shell 11, wherein a dust collection port 11a and an air outlet 11b are arranged on the first shell 11;

the driving unit 20 includes a second housing 21, a motor 22, and a driving shaft 23; the front end of the driving shaft 23 extends out of the second shell 21 to form a driving head 23a, and the driving head 23a penetrates into the first shell 11 and is connected with the wind wheel 12; the motor 22 drives the wind wheel 12 to rotate through the driving shaft 23. That is, the motor 22 in this embodiment is started to rotate the driving shaft 23, and the rotating driving shaft 23 rotates the wind wheel 12, so that the dust collection unit 10 collects and disposes the debris on the plane.

The driving shaft 23 on the driving unit 20 drives the wind wheel 12 in the dust collection unit 10 to rotate, so that the dust collection unit 10 has a dust collection effect; the suction unit 10 needs to be powered by the driving unit 20, that is, after the driving unit 20 is combined with the suction unit 10, the driving shaft 23 of the driving unit 20 provides the wind wheel 12 with rotational power.

On the other hand, the dust suction unit 10 of the present embodiment omits electronic components such as a motor and a switch, and can be cleaned directly with water.

As shown in fig. 5 to 8, an escape window 11c is provided on the top wall of the first casing 11, and the driving head 23a extends into the escape window 11c and is connected with the wind wheel 12 in the first casing 11.

The center of the wind wheel 12 is provided with a shaft seat 12a connected with a driving head 23 a. After the driving head 23a is connected to the shaft seat 12a, the driving shaft 23 rotates to drive the wind wheel 12 to rotate, so that the dust collection unit 10 can perform dust collection operation.

Specifically, the second housing 21 is provided with a switch k for controlling the on/off of the motor 22. The switch k is disposed on a sidewall of the second casing 21, and the height of the switch k is located in a lower region of the second casing 21, so that a user can operate the switch k conveniently.

As shown in fig. 10 and fig. 11, the shaft seat 12a is provided with a shaft hole 12b, an inner wall of the shaft hole 12b is provided with a first tooth structure f1, and a side wall of the driving head 23a is provided with a second tooth structure f2 matched with the first tooth structure f 1. The first tooth structure f1 and the second tooth structure f2 are engaged with each other through a tooth structure, and when the driving shaft 23 is driven to rotate by the motor 22, the tooth structures are engaged with each other to rotate the wind wheel 12.

It should be noted that the first tooth structure f1 includes a first guiding inclined surface s1, the second tooth structure f2 includes a second guiding inclined surface s2, and the first guiding inclined surface s1 and the second guiding inclined surface s2 cooperate with each other to more effectively guide the second tooth structure f2 to engage with the first tooth structure f1, so that the driving head 23a can be stably and accurately inserted into the shaft hole 12 b.

Specifically, during the process that the user inserts the electric eraser 24 into the shaft hole 12b, the electric eraser 24 may be rotated to adjust the orientation of the second guiding inclined surface s2, so that the second guiding inclined surface s2 and the first guiding inclined surface s1 are fitted to each other, and during the process that the electric eraser 24 is further inserted into the shaft hole 12b, the effect of guiding the second tooth structure f2 and the first tooth structure f1 to be engaged more stably and accurately is achieved. Therefore, the problem that the relative positions of the tooth structures on the shaft hole 12b and the driving head 23a which rotate mutually are not fixed, and the driving head 23a cannot be effectively and accurately inserted into the shaft hole 12b is solved.

In practical application, as shown in fig. 9 to 11, the driving unit 20 is an electric eraser, the middle of the driving head 23a is provided with a mounting hole 23b for mounting the eraser 24, and the front end of the driving head 23a is provided with an elastic clamping piece 24a for clamping the eraser 24.

The diameter of the mounting hole 23b is approximately matched with the sectional size of the eraser so that the eraser can be placed inside the mounting hole 23 b. 2-3 elastic clamping pieces 24a are installed at the front end of the driving head 23a, and when the eraser 24 is inserted into the installation hole 23b, the elastic clamping pieces 24a are slightly deformed and expanded to clamp the eraser 24.

The lower end of the shaft hole 12b of the shaft seat 12a of the wind wheel 12 is provided with an extending hole 24b, and the extending hole 24b is adapted to the eraser 24 at the front end of the driving shaft 23. When the driving shaft 23 is inserted into the shaft seat 12a of the wind wheel 12, the eraser 24 with a certain length at the front end of the driving shaft 23 can be accommodated inside the extension hole 24b, and the caliber of the extension hole 24b is slightly larger than the cross-sectional dimension of the eraser 24.

The electric eraser 20 is inserted into the clearance window 11c to connect with the shaft seat 12a of the wind wheel 12, and then the switch k of the second housing 21 is turned on to start the motor 22, the motor 22 drives the wind wheel 12 to rotate through the driving shaft 23, so that the dust collection unit 10 can perform dust collection operation, and when the switch k is turned off by the user, the wind wheel 12 stops rotating.

The present invention is intended to explain that the electric eraser 20 can perform the work of erasing the pencil words alone, and the dust suction unit 10 can be driven by controlling the electric eraser through the electric rotation cooperation with the electric eraser 20.

It should be noted that the dust suction unit 10 performs dust suction work by assembling and matching with the electric eraser, and the assembling manner is very simple and fast, and the electric eraser can be simply inserted into the shaft seat 12a to complete assembly. Apparently, an assembly step is added, and the assembly step replaces the traditional action of additionally opening the dust collection unit, and the leap-type alternative operation mode is the creative contribution of the invention; specifically, and this alternative mode of operation: the action of inserting the electric eraser into the shaft seat 12a has the effect of assembly entertainment and can be loved by students or office groups; and the dust collection unit 10 can omit electronic components such as a motor, a switch and the like by virtue of a power source on the electric eraser 20, so that the dust collection unit can be cleaned by water directly.

And usually, the electric eraser and the table-top dust collector are used as a combination or sold at the same time, because the dust collection unit 10 cancels a motor and the like, the whole manufacturing cost of the electric eraser and the table-top dust collector can be reduced; meanwhile, the mode of inserting the electric eraser into the dust collection unit has the entertainment effect of an assembling tool and can be popular with students or office groups.

As shown in fig. 5 and 6, the dust suction port 11a is disposed at the bottom of the first housing 11, the bristles 13 are located at the periphery of the dust suction port 11a, and the air outlet 11b is an annular air outlet ring 11d disposed on the side wall of the first housing 11. The dust suction port 11a is located in a bottom region of the housing, so that debris to be cleaned can be sucked into the interior of the dust suction unit 10 relatively intensively.

Of course, the dust suction opening 11a may be formed in the outer edge region of the bottom, and the plurality of dust suction openings 11a are uniformly spaced and annularly distributed at the bottom of the housing, so that the dust near the dust suction unit 10 can be easily sucked into the dust suction unit. During design, a manufacturer can also combine the two setting modes.

As shown in fig. 7 and 8, the first housing 11 includes a bottom case 111 and an upper case 112, and the bottom case 111 and the upper case 112 are connected by a snap structure. The snap structure connection can facilitate the assembly and disassembly of the bottom case 111 and the top case 112.

The first housing 11 has a certain inner space to accommodate the wind wheel 12 or other components of the dust suction unit 10. The dust suction opening 11a is located at the bottom of the first housing 11, the air outlet 11b is opened at the side of the first housing 11, and preferably, the longitudinal distance between the dust suction opening 11a and the air outlet 11b is short, so that the air circulation path is reduced, the air flow dissipation is avoided, and the dust suction effect is further improved.

The inner surface of the bottom housing 222 is provided with a retainer ring 11e surrounding the dust suction opening 11a to form a dust collection chamber 115 between the retainer ring 11e and the sidewall of the bottom housing 111.

The lower end of the wind wheel 12 is provided with a supporting end 12c, and the inner surface of the bottom shell 111 is provided with a concave hole 12d matched with the supporting end 12 c; the upper shell 112 is provided with a connecting base 113, and a bearing 114 is provided between the connecting base 113 and the shaft seat 12a of the wind wheel 12. The existence of the bearing 114 can prevent direct friction between the connecting seat 113 and the wind wheel 12 when the wind wheel 12 rotates.

A battery 28 for powering the motor 22 is provided in the second housing 21. Preferably, the battery 28 may be a rechargeable battery, and the end of the second casing 21 is opened with a power interface 21k, so that the user can charge the rechargeable battery in the second casing 21 through the power interface 21 k. The rechargeable battery has the advantage of recycling.

The air outlet 11b is an annular air outlet ring 11d with an upward opening formed between the side wall of the bottom shell 111 and the side wall of the upper shell 112, the side wall of the upper shell 112 is provided with an annular air outlet hole 11k, and specifically, a plurality of air outlets are uniformly annularly arranged on the side wall of the middle frame 01 at intervals. The filter screen assembly 30 is provided inside the sidewall of the upper case 112.

The filter screen assembly 30 includes a filter support 31 and a filter screen 32, and the filter screen 32 is fixed and tightly attached to the inner side wall of the filter support 31.

And the filter screen assembly 30 is installed in the upper casing 112, the filter screen 32 just blocks the annular air outlet 11k to prevent the sucked larger debris from blocking the air outlet.

The upper shell 112 comprises a middle frame 01 and an upper cover 02, the connecting seat 113 is positioned in the middle frame 01, the escape window 11c is positioned on the upper cover 02, and the middle frame 01 is connected with the upper cover 02 through a buckle structure.

Preferably, the filter holder 31 in this embodiment is provided with an opening corresponding to the annular air outlet 11k, so as to facilitate air flow, and the apertures of the two are matched with each other.

The modular tabletop cleaner provided by the present invention has been described in detail above, and the principle and embodiments of the present invention are described herein using specific examples, which are provided only to help understanding the present invention and the core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The combined desktop dust collector is characterized by comprising a dust collection unit for cleaning desktop dust and a driving unit for providing power for the dust collection unit;

2. The combined desktop vacuum cleaner as claimed in claim 1, wherein an escape window is provided on a top wall of the first housing, and the driving head extends into the escape window and is connected to the wind wheel in the first housing.

3. The combination tabletop cleaner of claim 2, wherein the wind wheel has a shaft seat at a center thereof for coupling with the driving head.

4. The combined desktop vacuum cleaner as claimed in claim 1, wherein a switch for controlling the on/off of the motor is disposed on the second housing.

5. The combination tabletop vacuum cleaner of claim 3, wherein the shaft seat has a shaft hole, the inner wall of the shaft hole has a first tooth structure, and the side wall of the driving head has a second tooth structure engaged with the first tooth structure.

6. The combined desktop dust collector of claim 1, wherein the dust collection port is formed in the bottom of the first housing, bristles are arranged at the bottom of the first housing, the bristles are located on the periphery of the dust collection port, and the air outlet is an annular air outlet ring formed in the side wall of the first housing.

7. The combination tabletop cleaner of claim 1, wherein the first housing comprises a bottom shell and an upper shell, and the bottom shell and the upper shell are connected by a snap-fit structure.

8. The combination tabletop vacuum cleaner of claim 7, wherein the inner surface of the bottom housing is provided with a retainer ring surrounding the suction opening to form a dust collection chamber between the retainer ring and the sidewall of the bottom housing.

9. The combined desktop vacuum cleaner of claim 7, wherein a supporting end is provided at the lower end of the wind wheel, and a concave hole matched with the supporting end is provided on the inner surface of the bottom shell; the upper shell is provided with a connecting seat, and a bearing is arranged between the connecting seat and the shaft seat of the wind wheel.

10. The combination tabletop cleaner of claim 1, wherein a battery is disposed within the second housing for powering the motor.