CN220262463U

CN220262463U - Dust collection box

Info

Publication number: CN220262463U
Application number: CN202322011310.0U
Authority: CN
Inventors: 穆帅; 王欣欣
Original assignee: Zhengzhou Vocational College of Finance and Taxation
Current assignee: Zhengzhou Vocational College of Finance and Taxation
Priority date: 2022-10-11
Filing date: 2023-07-28
Publication date: 2023-12-29
Anticipated expiration: 2033-07-28

Abstract

The utility model relates to the technical field of teaching aids and discloses a dust collection box which comprises a box body and a handle connected to the back side of the box body, wherein the box body and the handle are both of hollow structures, and a dust collection part is arranged between the box body and the handle; the dust collecting part comprises an air pump, a dust collecting box and a dust collecting hole, the dust collecting hole is formed in the inner side surface and the side portion of the box body, the inlet of the dust collecting box is communicated with the inside of the box body, and the air pump is arranged in the handle and is communicated with the bottom of the dust collecting box through a hose. The utility model mainly comprises a box body, a dust collecting part and other parts, the blackboard eraser is arranged in the box body, the box body is held by the handle to drive the blackboard eraser to erase the blackboard, meanwhile, the dust collecting part can be started to collect scattered dust, the dust is prevented from flying, the dust can be quickly collected, the dust collecting efficiency is higher, and the operation is convenient.

Description

Dust collection box

Technical Field

The utility model relates to the technical field of teaching aids, in particular to a dust collection box.

Background

Blackboard dust is a great hazard of teaching environmental pollution. Although the multimedia teaching equipment is widely used at present, a great deal of blackboard writing is needed for teaching in many disciplines, such as blackboard newspaper, mathematics, physical and chemical formula deducing processes, etc., the traditional blackboard and blackboard eraser still have a use scene, and still have the problem of environmental pollution of dust, and are unfavorable for the health of teachers and students, and the traditional blackboard eraser can not effectively collect chalk dust and can not control the dispersion of the chalk dust.

Disclosure of Invention

The utility model aims to provide a dust collecting box, which is provided with a box body for installing a blackboard eraser, and can open a dust collecting part to carry out dust when the blackboard is erased so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the dust collection box comprises a box body and a handle connected to the back side of the box body, wherein the box body and the handle are both of a hollow structure, and a dust collection part is arranged between the box body and the handle;

the dust collecting part comprises an air pump, a dust collecting box and a dust collecting hole, the dust collecting hole is formed in the inner side surface and the side portion of the box body, the inlet of the dust collecting box is communicated with the inside of the box body, and the air pump is arranged in the handle and is communicated with the bottom of the dust collecting box through a hose.

Preferably, the dust box includes:

the dust filter comprises an outer shell with a threaded part and a dust filter cartridge detachably connected to the inside of the outer shell, wherein the upper end of the dust filter cartridge is connected with the outer shell through a sealing ring.

Preferably, a connecting hole matched with the hose is formed in the bottom of the outer shell.

Preferably, the bottom of the box body is provided with a threaded hole matched with the outer shell, the outer shell is connected in the threaded hole through a threaded part, and the outer part of the upper end of the outer shell is provided with a limiting plate.

Preferably, a storage battery for providing power support for the air pump is arranged in the handle, and a switch arranged outside the handle is connected between the storage battery and the air pump.

Preferably, a connecting part for installing the blackboard eraser is arranged in the box body.

Preferably, the connection part includes:

the elastic piece and the connecting plate are connected to the elastic piece, and a limiting groove is formed in the surface of the connecting plate; the elastic piece comprises a fixed rod, a compression spring and a connecting sleeve, wherein the connecting sleeve is sleeved outside the fixed rod, and the compression spring is positioned between the fixed rod and the connecting sleeve.

Preferably, the method further comprises: the box cover is internally connected with a blackboard brush for cleaning the blackboard eraser.

Preferably, sliding grooves are formed in the two side edges of the box cover, sliding blocks are movably connected in the sliding grooves, and two ends of the scrubbing brush are respectively fixed on one side of the two groups of sliding blocks.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model mainly comprises a box body, a dust collecting part and other parts, the blackboard eraser is arranged in the box body, the box body is held by the handle to drive the blackboard eraser to erase the blackboard, meanwhile, the dust collecting part can be started to collect scattered dust, the dust is prevented from flying, the dust can be quickly collected, the dust collecting efficiency is higher, and the operation is convenient.

2. The dust collecting part provided by the utility model mainly comprises a suction pump, a dust collecting box, a dust collecting hole and other parts, dust is sucked into the dust collecting box through the dust collecting hole by the suction pump for collection, and the suction pump is powered by the storage battery, so that the suction pump can be turned on and off as required, and the electric power can be effectively saved.

Drawings

FIG. 1 is a schematic perspective view of a dust collection box according to the present utility model;

FIG. 2 is a schematic view of the structure of the handle of the present utility model;

FIG. 3 is a schematic view of the structure of the case of the present utility model;

FIG. 4 is a schematic cross-sectional view of a dust collection box according to the present utility model;

FIG. 5 is a schematic view of the dust box of the present utility model;

FIG. 6 is a schematic view of a connecting portion according to the present utility model;

FIG. 7 is a schematic view of the connection state structure of the blackboard eraser and the case body;

FIG. 8 is a schematic view of the bottom structure of the case of the present utility model;

FIG. 9 is a schematic diagram of the front view of the case of the present utility model;

FIG. 10 is a schematic side view of the case of the present utility model;

FIG. 11 is a schematic view of the back side structure of the case of the present utility model;

FIG. 12 is a schematic view of the structure of the lid of the present utility model;

FIG. 13 is a schematic view showing a connection state between a box cover and a box body in accordance with the first embodiment of the present utility model;

FIG. 14 is a schematic structural view showing a connection state between a box cover and a box body in a second embodiment of the present utility model;

fig. 15 is a schematic structural diagram of a connection state between a box cover and a box body in the third embodiment of the present utility model.

In the figure: 1. a case body; 2. a handle; 3. a dust collection unit; 301. an air extracting pump; 302. a dust collection box; 303. dust collecting holes; 304. a dust filter cartridge; 305. a seal ring; 306. a hose; 307. a connection hole; 308. a threaded hole; 309. a limiting plate; 310. an outer housing; 311. a storage battery; 4. a connection part; 401. an elastic member; 402. a connecting plate; 403. a limit groove; 404. a fixed rod; 405. a compression spring; 406. connecting sleeves; 5. a scrubber; 6. a box cover; 601. a chute; 602. a slide block; 7. a blackboard eraser.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The embodiment of the utility model provides a dust collecting box, which mainly aims to collect dust while erasing a blackboard and avoid dust flying. As illustrated in fig. 1, 7-12. The dust collecting box mainly comprises a box body 1, a handle 2, a dust collecting part 3, a box cover 6 and a blackboard eraser 7. The box cover 6 covers the box body 1, the box body 1 is provided with an opening structure, the blackboard eraser 7 is arranged in the box body through the connecting part 4, and the blackboard eraser 7 protrudes to the outside of the box body 1, so that the box body 1 is prevented from obstructing the blackboard eraser 7 to erase a blackboard. The handle 2 is arranged on the back side of the box body 1, so that the box body 1 can be held conveniently to drive the blackboard eraser 7 to erase a blackboard.

The handle 2 is arranged in a hollow structure and is marked as an installation cavity; the box body 1 is arranged as a hollow structure and is marked as a dust channel. So that the dust collection part 3 is provided to facilitate dust collection while erasing the blackboard.

As shown in fig. 2 to 4, the dust collection unit 3 is composed of an air pump 301, a dust collection box 302, and a dust collection hole 303. The dust collecting hole 303 is formed on the inner surface and the side of the case 1 and is communicated with the dust channel, so that dust can be sucked in all directions, and the specific number of the dust collecting holes can be set according to actual needs, which is not limited herein. The suction pump 301 is installed in the installation cavity inside the handle 2, and the suction port of the suction pump 301 is communicated with the bottom of the dust box 302 through a hose 306.

The dust box 302 includes an outer housing 310 and a dust filter cartridge 304. The dust filter cylinder 304 is inserted into the inner side of the outer shell 310, and a gap is reserved between the outer shell 310 and the dust filter cylinder 304, namely, the diameter of the dust filter cylinder 304 is smaller than that of the outer shell 310, and the upper end of the dust filter cylinder 304 is connected with the outer shell 310 through a sealing ring 305, so that a gap between the dust filter cylinder 304 and the outer shell can be sealed, and dust leakage is avoided. When the suction pump 301 is operated, dust is sucked into the dust filter cartridge 304 through the dust collection hole 303 to be collected. In addition, the dust collection boxes 302 may be provided in plural groups, and three groups are provided in the present embodiment, but the present utility model is not limited thereto, and is mainly for improving the collection efficiency.

In order to facilitate the removal of the dust filter cartridge 304 for dust cleaning, a threaded portion may be provided at the outer portion of the upper end of the outer housing 310, a connection hole 307 matching with the hose 306 may be provided at the bottom of the outer housing 310, and a threaded hole 308 matching with the outer housing 310 may be provided at the bottom of the box 1. The outer housing 310 is connected to the threaded hole 308 through a threaded portion, and an integrally formed limiting plate 309 is provided outside the upper end of the outer housing 310, which facilitates tightening of the outer housing 310. The end of the hose 306 is inserted into the connection hole 307, so that the suction pump 301 communicates with the outer case 310. In addition, a plug may be mounted at the end of the hose 306 to facilitate insertion into the connection hole 307.

When the dust filter cylinder 304 needs to be cleaned, the hose 306 is separated from the outer shell 310, the outer shell 310 is screwed out of the threaded hole 308, and the dust filter cylinder 304 is taken out for cleaning the dust and then returned.

Further, a battery 311 for supporting the electric power of the pump 301 is installed inside the handle 2, and a switch installed outside the handle 2 is connected between the battery 311 and the pump 301. Preferably, the battery 311 may be provided to be replaceable when charged, but is not limited thereto.

The connecting portion 4 includes an elastic member 401 and a connecting plate 402 for facilitating the installation of the blackboard eraser. As shown in fig. 6, the connection board 402 is connected to the elastic member 401, and a limit groove 403 is formed on the surface of the connection board 402, for placing a blackboard eraser. The elastic piece 401 presses the connecting plate 402 to clamp the blackboard eraser 7, so that the blackboard eraser is convenient to install and replace.

Specifically, the elastic member 401 includes a fixing rod 404, a compression spring 405, and a connecting sleeve 406. The connecting sleeve 406 is sleeved outside the fixed rod 404, and the compression spring 405 is located between the fixed rod 404 and the connecting sleeve 406. The compression spring 405 can press the connection plate 402 to clamp the blackboard eraser.

In addition, the blackboard eraser 7 can be fixed by adopting a screw, a magnetic attraction, a buckle and the like, and the description is omitted here.

As shown in fig. 13, in order to clean dust adhered to the blackboard eraser 7, sliding grooves 601 are formed at both side edges of the box cover 6, sliding blocks 602 are movably connected in the sliding grooves 601, and both ends of the blackboard brush 5 are respectively fixed at one sides of the two groups of sliding blocks 602. In this embodiment, the box cover 6 and the box body 1 are connected in a sleeving manner, the box cover 6 is sleeved on the box body 1, and then the sliding block 602 is pulled to drive the scrubbing brush 5 to move, so that dust on the scrubbing brush 5 is cleaned, and meanwhile, the dust is collected by the dust collecting part 3. Meanwhile, the box cover 6 can also avoid dust flying during cleaning.

Example two

In this embodiment, as shown in fig. 14, the box cover 6 and the box body 1 are connected by adopting a side flip mode, and a damping rotating shaft is adopted at the connection part to avoid random rotation.

Example III

In this embodiment, as shown in fig. 15, the lid 6 and the case 1 are connected by means of an upper flip, and the connection part adopts a damping rotating shaft. The box cover 6 and the box body 1 are connected together, so that the box cover can be prevented from falling off.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The dust collection box is characterized by comprising a box body (1) and a handle (2) connected to the back side of the box body (1), wherein the box body (1) and the handle (2) are both of hollow structures, and a dust collection part (3) is arranged between the box body (1) and the handle (2);

the dust collection part (3) comprises an air pump (301), a dust collection box (302) and a dust collection hole (303), wherein the dust collection hole (303) is formed in the inner side surface and the edge of the box body (1), the inlet of the dust collection box (302) is communicated with the inside of the box body (1), and the air pump (301) is arranged in the handle (2) and is communicated with the bottom of the dust collection box (302) through a hose (306).

2. A dust collection box according to claim 1, characterized in that: the dust box (302) comprises:

an outer shell (310) with a threaded part and a dust filter cartridge (304) detachably connected inside the outer shell (310), wherein the upper end of the dust filter cartridge (304) is connected with the outer shell (310) through a sealing ring (305).

3. A dust collection box according to claim 2, characterized in that: the bottom of the outer shell (310) is provided with a connecting hole (307) matched with the hose (306).

4. A dust collection box according to claim 2, characterized in that: screw holes (308) matched with the outer shell (310) are formed in the bottom of the box body (1), the outer shell (310) is connected in the screw holes (308) through screw thread parts, and a limiting plate (309) is arranged outside the upper end of the outer shell (310).

5. A dust collection box according to claim 1, characterized in that: the inside of the handle (2) is provided with a storage battery (311) which provides power support for the air pump (301), and a switch which is arranged outside the handle (2) is connected between the storage battery (311) and the air pump (301).

6. A dust collection box according to claim 1, characterized in that: the inside of the box body (1) is provided with a connecting part (4) for installing the blackboard eraser.

7. A dust collection box according to claim 6, wherein: the connection part (4) includes:

the device comprises an elastic piece (401) and a connecting plate (402) connected to the elastic piece (401), wherein a limiting groove (403) is formed in the surface of the connecting plate (402); the elastic piece (401) comprises a fixed rod (404), a compression spring (405) and a connecting sleeve (406), wherein the connecting sleeve (406) is sleeved outside the fixed rod (404), and the compression spring (405) is located between the fixed rod (404) and the connecting sleeve (406).

8. A dust collection box according to claim 1, characterized in that: further comprises: the blackboard eraser cleaning device comprises a box cover (6), wherein a blackboard brush (5) for cleaning the blackboard eraser is connected in the box cover (6).

9. A dust collection box according to claim 8, wherein: the two side edges of the box cover (6) are provided with sliding grooves (601), sliding blocks (602) are movably connected in the sliding grooves (601), and two ends of the scrubbing brush (5) are respectively fixed on one sides of the two groups of sliding blocks (602).