CN213371734U

CN213371734U - Miniature dust collector

Info

Publication number: CN213371734U
Application number: CN202021352374.7U
Authority: CN
Inventors: 丁小冬
Original assignee: Shenzhen Zhongtai Aviation Technology Co ltd
Current assignee: Shenzhen Zhongtai Aviation Technology Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-06-08
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses a miniature dust collector, including main casing body (2), a dirt section of thick bamboo (1) is installed to the air inlet end of main casing body (2), is located main casing body (2) internally mounted filter screen (4), and filter screen (4) are installed in the medial extremity of dirt section of thick bamboo (1) for filter the dust, filter screen (4) are installed on an inner tube (11), and the air inlet end of the relative dirt section of thick bamboo of inner tube (11) sets up a little boss (12), and little boss (12) periphery is airflow channel, and whole inner tube (11) inside intake chamber (13) that form, the air inlet end of dirt section of thick bamboo (1) stretches into inside intake chamber (13). The utility model discloses power is provided by micro motor, and is small, and ordinary flabellum shape is chooseed for use to the blade molding in addition, though the big noise of the little amount of wind of blade external diameter is soft. The whole outer diameter of the dust collector is very small, the dust collector strictly follows the aerodynamic and physical principles, and the filter screen is good in dust collection effect and not easy to block.

Description

Miniature dust collector

Technical Field

The utility model relates to a dust catcher, concretely relates to miniature dust catcher.

Background

The current miniature cleaners are primarily centrifugal blade table top cleaners.

The method has the following defects: 1. the current miniature dust catcher uses direct current motor, and general size is bigger, and children are handheld inconvenient, also can not be to narrow and small space dust absorption. 2. The sucked object directly contacts the centrifugal blade and is easy to generate sharp harsh sound.

Disclosure of Invention

The utility model aims to solve the technical problem that a miniature dust collector, the size is little, and the noise is soft, can effectively solve not enough among the prior art.

The utility model discloses a realize through following technical scheme: a miniature dust collector comprises a main shell, wherein a dust cylinder is arranged at the air inlet end of the main shell, a filter screen is arranged in the main shell, the filter screen is arranged at the inner side end of the main shell and used for filtering dust, the filter screen is arranged on an inner cylinder, a small boss is arranged on the inner cylinder relative to the air inlet end of the dust cylinder, an airflow channel is arranged at the periphery of the small boss, an air inlet cavity is formed in the whole inner cylinder, and the air inlet end of the dust cylinder extends into the air inlet cavity; still install negative pressure suction subassembly and power supply unit spare in the main casing, power supply unit spare is used for supplying power for negative pressure suction subassembly.

As a preferred technical scheme, the negative pressure suction assembly comprises a motor, a blade and a control switch, wherein the blade is arranged on a motor shaft, the motor is connected with the switch, and the switch is connected with a battery.

Preferably, the motor is a hollow cup motor.

As a preferred technical scheme, the power supply assembly comprises a battery compartment, a battery cover and a battery elastic sheet, the battery elastic sheet is arranged in the battery compartment, the battery is arranged in the battery compartment and is in contact with the battery elastic sheet, the battery cover is arranged outside the battery compartment and is used for shielding the battery, and the output end of the battery elastic sheet is connected to the switch.

Preferably, one end of the motor is fixedly mounted on the motor support, and the motor support is fixedly mounted inside the main casing.

The utility model has the advantages that: 1. the power is provided by the micro motor, the volume is small, in addition, the shape of the blade is selected from the shape of a common fan blade, the outer diameter of the blade is small, but the air volume is large, and the noise is soft. The whole outer diameter of the dust collector is very small; 2. the dust collector strictly follows the principles of aerodynamics and physics, and has good dust collection effect, and the filter screen is not easy to block.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an exploded view of the present invention;

fig. 2 is an internal cross-sectional view of the present invention;

fig. 3 is a schematic external structural view of the present invention;

fig. 4 is an external structural diagram of another view angle of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms herein such as "upper," "above," "lower," "below," and the like in describing relative spatial positions is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 4, the miniature vacuum cleaner of the present invention comprises a main housing 2, a dust cylinder 1 is installed at an air inlet end of the main housing 2, a filter screen 4 is installed inside the main housing 2, the filter screen 4 is installed at an inner side end of the dust cylinder 1 for filtering dust, the filter screen 4 is installed on an inner cylinder 11, an air inlet cavity 13 is formed inside the whole inner cylinder 11, and an air inlet end of the dust cylinder 1 extends into the air inlet cavity 13; still install negative pressure suction subassembly and power supply unit spare in the main casing body 2, power supply unit spare is used for supplying power for negative pressure suction subassembly.

In this embodiment, the negative pressure suction assembly includes a motor 7, a blade 6 and a control switch 9, the blade 6 is mounted on the motor shaft, and the motor 7 is connected to the control switch 9 for controlling the on/off of the power supply.

In this embodiment, the motor 7 is a micro motor, and power is provided by the micro motor, so that the size is small and miniaturization is achieved.

In this embodiment, the power supply assembly includes a battery compartment 5, a battery 10, a battery cover 3 and a battery elastic sheet 8, the battery elastic sheet 8 is installed in the battery compartment 5, the battery 10 is installed in the battery compartment 5 and contacts with the battery elastic sheet 8, the battery cover 3 is installed outside the battery compartment 5 and is used for shielding the battery, and an output end of the battery elastic sheet 8 is connected to the switch 9 and the motor 7.

Wherein, one end fixed mounting of motor 7 is on the motor support, and motor support fixed mounting still is provided with the venthole in main casing body 2 inside in main casing body.

As shown in fig. 2, according to the aerodynamic principle, when the blades 6 rotate, the air inside the cleaner flows at a high speed and at a low pressure, the external pressure at the suction nozzle of the dust bucket 1 is higher than that inside the cleaner, and the particulate matters or dust flow into the cleaner from the outside along with the air flow. According to the principle of physics, the airflow in the dust barrel 1 keeps the rotation mode of the blades 6, the high-speed rotation generates a centrifugal effect, and the resultant force of the gravity and the centrifugal force of the particles is downward, so that the particles are deposited at the bottom of the dust barrel 1. Part of the dust rises with the air flow and is stopped when passing through the filter screen 4.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. A miniature dust catcher which characterized in that: the dust collector comprises a main shell (2), wherein a dust barrel (1) is arranged at the air inlet end of the main shell (2), a filter screen (4) is arranged in the main shell (2), the filter screen (4) is arranged at the inner side end of the main shell (2) and used for filtering dust, the filter screen (4) is arranged on an inner barrel (11), a small boss (12) is arranged on the inner barrel (11) relative to the air inlet end of the dust barrel, an airflow channel is arranged at the periphery of the small boss (12), an air inlet cavity (13) is formed in the whole inner barrel (11), and the air inlet end of the dust barrel (1) extends into the air inlet cavity (13); still install negative pressure suction subassembly and power supply subassembly in main casing body (2), power supply subassembly is used for supplying power for negative pressure suction subassembly.

2. The miniature vacuum cleaner of claim 1, wherein: the negative pressure suction assembly comprises a motor (7) and a blade (6), the blade (6) is installed on a motor shaft, and a switch is arranged between the motor (7) and a battery to control the on-off of a power supply.

3. The miniature vacuum cleaner of claim 2, wherein: the motor (7) is a micro motor.

4. The miniature vacuum cleaner of claim 1, wherein: the power supply assembly comprises a battery compartment (5), a battery (10), a battery cover (3) and a battery elastic sheet (8), wherein the battery elastic sheet (8) is arranged in the battery compartment (5), the battery (10) is arranged in the battery compartment (5) and is in contact with the battery elastic sheet (8), the battery cover (3) is arranged outside the battery compartment (5) and is used for shielding the battery, and the output end of the battery elastic sheet (8) is connected to the switch and the motor (7).

5. The miniature vacuum cleaner of claim 2, wherein: one end of the motor (7) is fixedly arranged on the motor support, and the motor support is fixedly arranged in the main shell (2).