CN219154105U

CN219154105U - Blackboard eraser with dust collection effect

Info

Publication number: CN219154105U
Application number: CN202320073882.9U
Authority: CN
Inventors: 梁娟娟; 李卫慧
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-06-09
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses a blackboard eraser with dust collection effect, which comprises a rectangular box body, wherein a blackboard eraser structure is arranged on the rectangular box body, and the blackboard eraser structure comprises: the cotton layer is installed on the surface of the rectangular plate, the air holes are formed in the surface of the rectangular plate and located between the cotton layers, and the rectangular plate is connected to the rectangular box body through the connecting portion. The utility model is provided with the rectangular box body, the rectangular box body is provided with the rectangular plate which is detachably connected, the surface of the rectangular plate is provided with the cotton layer for erasing the blackboard, the dust collection treatment can be carried out by matching with the mini fan in the erasing process, the powder can be collected and concentrated in the dust collection pipe, the dust collection pipe is also a handheld part, the dust collection pipe can be gripped for erasing treatment, the use is convenient, the erasing and dust collection can be rapidly completed, the use is convenient, and the operation is simple.

Description

Blackboard eraser with dust collection effect

Technical Field

The utility model relates to the technical field of school supplies, in particular to a blackboard eraser with a dust collection effect.

Background

Along with the rapid development of the Chinese economic level, the Chinese education level is also rapid, schools with large and small sizes are erected in cities, and the demands for teaching supplies are large, wherein the teaching supplies comprise chalks, blackboard erasers, blackboards and the like. The existing common blackboard eraser has no dust collection function, a lot of chalk dust is generated when the blackboard eraser is used for cleaning a lesson, a part of flying chalk dust is unconsciously sucked into the blackboard eraser by students and teachers, the students and the teachers are injured by the chalk dust, and the other part of the chalk dust falls on the ground, so that the blackboard eraser with the dust collection function is required to be cleaned manually, and the teachers are required to have the dust collection function.

Disclosure of Invention

In order to achieve the aim, the technical scheme adopted by the utility model is that the blackboard eraser with the dust collection effect comprises a rectangular box body, wherein an blackboard eraser structure is arranged on the rectangular box body;

the blackboard eraser structure comprises: the dust collector comprises a rectangular plate, air holes, a cotton layer, a connecting part, a butt joint cover, a plug-in housing and a dust collecting part;

the cotton layer is installed rectangular plate surface, the gas pocket is opened rectangular plate surface just is located between the cotton layer, the rectangular plate passes through connecting portion connect on the rectangular box body, the butt joint cover is fixed rectangular box body side surface, grafting shell cartridge is connected in the butt joint cover, dust collection portion sets up on the grafting shell.

Still further, the connection part includes: the device comprises a notch, an internal thread pipe, a rotating frame and a connecting screw rod;

the groove is formed in the two outer end faces of the rectangular box body, the inner threaded pipe is fixed on the surface of the rectangular plate, the rotating frame is rotationally sleeved and connected in the groove, and the connecting screw is fixed at one end of the rotating frame and is screwed and connected in the inner threaded pipe.

Still further, the dust collection part includes: the dust collector comprises an internal thread sleeve, a dust collecting pipe, a micro fan, an internal supporting layer, a filter element and a pressing frame;

the utility model discloses a dust collecting device, including butt joint cover, dust collecting tube, miniature fan, filter core, pressing frame, plug housing, filter core, the internal thread cover is fixed the butt joint cover bottom surface, the dust collecting tube is screwed to be connected in the internal thread cover, miniature fan is installed the dust collecting tube bottom, interior backing layer is fixed the dust collecting tube internal surface, the filter core is placed on interior backing layer, pressing frame is fixed plug housing lower terminal surface just is pressed on the filter core.

Preferably, the outer surface of the dust collecting pipe is an anti-slip structural surface.

Preferably, the rectangular plate is matched with the overall size of the rectangular box body.

Preferably, the plugging shell is in sealing fit connection with the butt joint cover.

Compared with the prior art, the utility model has the advantages and positive effects that the rectangular box body is arranged, the rectangular plate which is detachably connected is arranged on the rectangular box body, the surface of the rectangular plate is provided with the cotton layer for erasing the blackboard, the dust collection treatment can be carried out by matching with the mini fan in the erasing process, the powder can be collected and concentrated in the dust collecting pipe, the dust collecting pipe is also a handheld part, the dust collecting pipe can be held tightly for erasing treatment, the use is convenient, the erasing and dust collection can be rapidly completed, the use is convenient, and the operation is simple.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

Fig. 1 is a schematic structural diagram of a blackboard eraser with dust collection effect according to the present embodiment;

fig. 2 is a schematic structural view of a rectangular box portion of the blackboard eraser with dust collection effect according to the present embodiment;

fig. 3 is a partial enlarged view of a rotating frame portion of the blackboard eraser with dust absorbing effect according to the present embodiment;

fig. 4 is a partial enlarged view of a plug-in housing portion of the blackboard eraser with dust collection effect according to the present embodiment;

the figure shows: 1. a rectangular box body; 2. a rectangular plate; 3. air holes; 4. a cotton layer; 5. a butt joint cover; 6. a plug-in shell; 7. a groove is formed; 8. an internally threaded tube; 9. a rotating frame; 10. a connecting screw; 11. an internal thread sleeve; 12. a dust collecting pipe; 13. a micro fan; 14. an inner support layer; 15. a filter element; 16. and pressing the frame.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

As can be seen from fig. 1-4 of the specification, the blackboard eraser with dust collection effect comprises a rectangular box body 1, wherein an blackboard eraser structure is arranged on the rectangular box body 1;

the blackboard eraser structure comprises: the dust collector comprises a rectangular plate 2, air holes 3, a cotton layer 4, a connecting part, a butt joint cover 5, a plug-in housing 6 and a dust collecting part;

the cotton layer 4 is installed on the surface of the rectangular plate 2, the air holes 3 are formed in the surface of the rectangular plate 2 and located between the cotton layers 4, the rectangular plate 2 is connected to the rectangular box body 1 through the connecting portion, the butt joint cover 5 is fixed on the side surface of the rectangular box body 1, the plug-in housing 6 is connected in the butt joint cover 5 in a plug-in manner, and the dust collecting portion is arranged on the plug-in housing 6.

The connecting portion includes: the device comprises a notch 7, an internal thread pipe 8, a rotating frame 9 and a connecting screw rod 10;

the groove 7 is formed in the two outer end faces of the rectangular box body 1, the internal thread pipe 8 is fixed on the surface of the rectangular plate 2, the rotating frame 9 is connected in the groove 7 in a rotating sleeved mode, and the connecting screw 10 is fixed at one end of the rotating frame 9 and is connected in the internal thread pipe 8 in a screwing mode.

The dust collection part includes: the dust collector comprises an internal thread sleeve 11, a dust collecting pipe 12, a micro fan 13, an internal supporting layer 14, a filter element 15 and a pressing frame 16;

the inner thread sleeve 11 is fixed on the bottom surface of the docking cover 5, the dust collecting pipe 12 is connected in the inner thread sleeve 11 in a screwing mode, the micro fan 13 is installed at the bottom of the dust collecting pipe 12, the inner supporting layer 14 is fixed on the inner surface of the dust collecting pipe 12, the filter core 15 is placed on the inner supporting layer 14, and the pressing frame 16 is fixed on the lower end surface of the plug housing 6 and presses the filter core 15.

From the above, it can be seen that: the outer surface of the dust collecting pipe 12 is an anti-slip structure surface, and the dust collecting pipe 12 is a hand-held part to avoid slipping.

From the above, it can be seen that: the rectangular plate 2 is matched with the rectangular box body 1 in overall size, and the rectangular plate can be covered on the surface for replacement.

From the above, it can be seen that: the plug housing 6 is in sealing fit connection with the butt joint cover 5, so that gas leakage is reduced, and dust collection effect is guaranteed.

It should be pointed out that, in the specific implementation process, the rectangular plate 2 is butted to the rectangular box body 1, the internal thread tube 8 is aligned to the position of the connecting screw rod 10, then the rotating frame 9 is screwed to be connected and fixed with the internal thread tube 8, the dust collecting tube 12 is held to erase the blackboard by using the cotton layer 4, the micro fan 13 works to enable the flown powder to enter the rectangular box body 1 through the air hole 3, finally enter the dust collecting tube 12 and be collected through the filter element 15, and the filter element 15 can be cleaned or replaced by screwing and disassembling the dust collecting tube 12, so that the dust collecting box is convenient to use.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The blackboard eraser with the dust collection effect comprises a rectangular box body (1), and is characterized in that an blackboard eraser structure is arranged on the rectangular box body (1);

the blackboard eraser structure comprises: the dust collector comprises a rectangular plate (2), air holes (3), a cotton layer (4), a connecting part, a butt joint cover (5), a plug-in shell (6) and a dust collecting part;

cotton layer (4) are installed rectangular plate (2) surface, gas pocket (3) are opened rectangular plate (2) surface just is located between cotton layer (4), rectangular plate (2) are passed through connecting portion connect rectangular box body (1) is last, docking cover (5) are fixed rectangular box body (1) side surface, grafting shell (6) cartridge is connected docking cover (5) are interior, dust collection part sets up on grafting shell (6).

2. A blackboard eraser with dust absorbing effect according to claim 1, characterized in that the connecting part comprises: the device comprises a notch (7), an internal thread pipe (8), a rotating frame (9) and a connecting screw (10);

the rectangular box is characterized in that the notch (7) is formed in the outer two end faces of the rectangular box body (1), the inner threaded pipe (8) is fixed on the surface of the rectangular plate (2), the rotating frame (9) is rotationally sleeved and connected in the notch (7), and the connecting screw (10) is fixed at one end of the rotating frame (9) and is screwed and connected in the inner threaded pipe (8).

3. A blackboard eraser with dust absorbing effect according to claim 1, characterized in that the dust collecting part comprises: an internal thread sleeve (11), a dust collecting pipe (12), a micro fan (13), an internal supporting layer (14), a filter core (15) and a pressing frame (16);

the utility model discloses a dust collecting device, including butt joint cover (5), dust collecting tube (12), miniature fan (13), inner thread cover (11) are fixed butt joint cover (5) bottom surface, dust collecting tube (12) are connected in the screw thread cover (11) soon, miniature fan (13) are installed dust collecting tube (12) bottom, interior backing layer (14) are fixed dust collecting tube (12) internal surface, filter core (15) are placed on interior backing layer (14), press frame (16) are fixed the terminal surface just is pressed under grafting shell (6) filter core (15).

4. A blackboard eraser with dust absorbing effect according to claim 3, characterized in that the outer surface of the dust collecting tube (12) is an anti-slip structural surface.

5. A blackboard eraser with dust absorbing effect according to claim 1, characterized in that the rectangular plate (2) is matched with the overall size of the rectangular box body (1).

6. The blackboard eraser with the dust collection effect according to claim 1, wherein the plug-in housing (6) is in sealing fit connection with the docking cover (5).