Blackboard eraser dust collector

By designing the filter bucket assembly structure of the blackboard eraser vacuum cleaner, the problem of dust sticking to hands when emptying it was solved, achieving faster dust cleaning and greater practicality.

CN223556725UActive Publication Date: 2025-11-18BEIJING DACHENG SHENGDA TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423036023.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-11-18
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Existing blackboard eraser vacuum cleaners often leave dust on the user's hands when emptying the eraser, making cleaning inconvenient and impractical.

Method used

A blackboard eraser vacuum cleaner was designed. By lifting the top cover, pinching the retaining ring to lift the filter bucket assembly, pressing the second connecting rod to make the cover pop out, and tilting the filter bucket assembly to pour the dust into the trash can, the dust is prevented from sticking to the hands.

Benefits of technology

It enables faster dust cleaning, improves practicality, prevents dust from sticking to hands when pouring, and enhances ease of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a blackboard eraser dust collector, which relates to the technical field of dust collection devices, and comprises a shell, four corners of the bottom of the shell are fixedly connected with supporting legs, four corners of the bottom of the shell are fixedly embedded with screw connecting columns, an air exhaust motor is fixedly embedded in the shell, and the air exhaust motor is fixedly embedded in the shell. A fixing bottom ring is fixedly connected to one side of an inner cavity of the shell, a plurality of heat dissipation exhaust grooves are formed in the other side of the inner cavity of the shell in a penetrating mode, a shell assembly is arranged at the top of the shell, and a filter barrel assembly is arranged in the shell assembly. According to the blackboard eraser dust collector, the top cover is opened, the edge of the fixing ring is pinched by a hand, the filter barrel assembly is lifted out, the second connecting rod is pressed down, the cover plate pops up, and then the filter barrel assembly can be inclined to pour dust in a filter barrel into a garbage can, so that the blackboard eraser dust collector is convenient to clean the dust more quickly, and meanwhile, the dust is prevented from being adsorbed on the hand when the dust is poured; the practicability is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to dust collector technology field especially relates to a blackboard eraser dust collector. BACKGROUND

[0002] The blackboard is written by chalk, and then is wiped by the blackboard eraser, but the chalk dust produced by the chalk is much, and the blackboard eraser is full of chalk dust after wiping a board surface, if the blackboard eraser full of chalk dust continues to use, then chalk dust will fall off while wiping, cause air pollution, affect health, and will cause the blackboard to be not clean, affect writing and reading, so must often beat the blackboard eraser, remove chalk dust on the blackboard eraser, and when beating the blackboard eraser, chalk dust will fly everywhere, cause air pollution, affect the health of the person who beats, and the chalk dust scattered everywhere will also cause the pollution of surrounding environment, therefore, the blackboard eraser dust collector is generally used to clean the dust on the blackboard eraser.

[0003] But in prior art, when using the blackboard eraser dust collector to clean the dust on the blackboard eraser, it is found that when cleaning the filter barrel for storing dust inside the blackboard eraser dust collector, it is found that the user needs to hold the filter barrel cover with one hand when pouring the dust, so that the dust on the filter barrel cover is adsorbed on the user's hand, and the user needs to clean the hand, so that the practicability is low. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the problems in prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a blackboard eraser dust collector, comprising: a shell, four corners of the bottom of the shell are fixedly connected with supporting feet, four corners of the bottom of the shell are fixedly embedded with screw connecting columns, the inside of the shell is fixedly embedded with an air extraction motor, one side of the inner cavity of the shell is fixedly connected with a fixed bottom ring, a plurality of heat dissipation exhaust grooves are penetrated and arranged on the other side of the inner cavity of the shell, the top of the shell is provided with a shell assembly, and the inside of the shell assembly is provided with a filter barrel assembly.

[0006] As a preferred implementation, the shell assembly comprises a middle cover, a catch groove is arranged on one side of the middle cover, a switch controller is embedded and installed at one end of one side of the middle cover, connecting columns are fixedly connected with four corners of the inner cavity of the middle cover, a placing limiting groove is arranged at one end of the surface of the middle cover, a filter barrel groove is penetrated and arranged in the inside of the placing limiting groove, and an electric wire groove is penetrated and arranged at the bottom of one end of the inner cavity of the middle cover.

[0007] As a preferred implementation form, the two sides of the other end of the middle cover are fixedly connected with connecting rods one, the surfaces of the two connecting rods one are movably sleeved with a top cover, and a plurality of air inlet grooves are formed in the surface of the other end of the top cover.

[0008] As a preferred implementation form, the filter barrel assembly comprises a fixing ring, the bottom of the fixing ring is fixedly connected with a filter barrel, the two ends of the surface of the fixing ring are fixedly connected with support plates, the interiors of the two support plates are movably embedded with rotating rods, the surface of the rotating rod is fixedly connected with a U-shaped connecting block, the surface of the rotating rod is movably sleeved with a special-shaped spring, one end of the special-shaped spring is closely attached to the bottom of the U-shaped connecting block, the other end of the special-shaped spring is closely attached to the surface of the fixing ring, the other end of the U-shaped connecting block is fixedly connected with a cover plate, a plurality of dust inlet grooves are formed in the surface of the cover plate, the top of the dust inlet groove is embeddedly connected with a sealing rubber ring one, the bottom of the dust inlet groove is embeddedly connected with a sealing rubber ring two, the other end of the dust inlet groove is fixedly connected with a fixing hook, and the bottom of the sealing rubber ring two is closely attached to the surface of the fixing ring.

[0009] As a preferred implementation form, the surface of the fixing ring is provided with a fixing hook extending groove, the interior of the fixing hook extending groove is provided with a limiting clamping plate movable groove, one end of the limiting clamping plate movable groove is provided with a connecting rod two movable groove, the two sides of the other end of the limiting clamping plate movable groove are fixedly connected with T-shaped limiting rods, the surfaces of the two T-shaped limiting rods are movably sleeved with limiting clamping plates, the side surface of the limiting clamping plate is provided with a fixing hook fixing groove, one end of the limiting clamping plate is fixedly connected with a connecting rod two, the surface of the limiting clamping plate is movably embedded in the interior of the limiting clamping plate movable groove, the surface of the connecting rod two is movably embedded in the interior of the connecting rod two movable groove, the surfaces of the two T-shaped limiting rods are movably sleeved with springs, one end of the two springs is fixedly connected with one end of the limiting clamping plate movable groove, the other end of the two springs is fixedly connected with the two ends of the side of the limiting clamping plate, and the surface of the bottom end of the fixing hook is movably embedded in the interior of the fixing hook fixing groove.

[0010] As a preferred implementation form, the interiors of the four connecting columns are connected with the one ends of the four screw connecting columns through screws.

[0011] As a preferred implementation form, the surface of the fixing ring is movably embedded in the interior of the placing limiting groove, the surface of the filter barrel is movably embedded in the interior of the filter barrel groove, the surface of the bottom end of the filter barrel is movably embedded in the interior of the fixed bottom ring, and the surface of the sealing rubber ring one is closely attached to the bottom of the top cover.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that:

[0013] The utility model discloses, open the top cover, pinch the edge of fixed ring with hand and take out filter barrel subassembly, press down connecting rod two, the cover plate pops out, can be oblique filter barrel subassembly and pour the dust in filter barrel to the dustbin, and the design makes this blackboard eraser dust catcher convenient to the cleaning of dust more fast, avoids dust adsorption on hand when pouring dust simultaneously, and practicality increases. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a kind of blackboard eraser dust catcher's overview schematic diagram provided by the utility model;

[0015] Figure 2 It is a kind of blackboard eraser dust catcher's top cover schematic diagram provided by the utility model;

[0016] Figure 3 It is a kind of blackboard eraser dust catcher's partial explosion drawing provided by the utility model;

[0017] Figure 4 It is a kind of blackboard eraser dust catcher's middle cover internal schematic diagram provided by the utility model;

[0018] Figure 5 It is a kind of blackboard eraser dust catcher's shell bottom schematic diagram provided by the utility model;

[0019] Figure 6 It is a kind of blackboard eraser dust catcher's filter barrel subassembly schematic diagram provided by the utility model;

[0020] Figure 7 It is a kind of blackboard eraser dust catcher's fixed ring plan view provided by the utility model;

[0021] Figure 8 It is a kind of blackboard eraser dust catcher's fixed ring side sectional view provided by the utility model;

[0022] Figure 9 It is a kind of blackboard eraser dust catcher's limiting clamping plate schematic diagram provided by the utility model;

[0023] Figure 10 It is a kind of blackboard eraser dust catcher's A place schematic diagram provided by the utility model;

[0024] Figure 11 It is a kind of blackboard eraser dust catcher's B place schematic diagram provided by the utility model.

[0025] LEGEND:

[0026] 1, shell; 101, support foot; 102, screw connection column; 103, air suction motor; 104, fixed bottom ring; 105, heat dissipation exhaust groove; 2, shell assembly; 201, middle cover; 202, buckle groove; 203, switch controller; 204, connecting column; 205, placement limiting groove; 206, filter barrel groove; 207, wire groove; 208, connecting rod one; 209, top cover; 210, air inlet groove; 3, filter barrel assembly; 301, fixed ring; 302, filter barrel; 303, support plate; 304, rotating rod; 305, U-shaped connecting block; 306, special-shaped spring; 307, cover plate; 308, dust inlet groove; 309, sealing rubber ring one; 310, sealing rubber ring two; 311, fixed hook; 312, fixed hook extension groove; 313, limiting clamping plate movable groove; 314, connecting rod two movable groove; 315, T-shaped limiting rod; 316, limiting clamping plate; 317, fixed hook fixing groove; 318, connecting rod two; 319, spring. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figures 1-11 The utility model provides a kind of technical scheme: a blackboard eraser dust collector, comprising: shell 1, the four corners of the bottom of shell 1 are fixedly connected with support foot 101, the four corners of the bottom of shell 1 are fixedly embedded with screw connection column 102, the inside of shell 1 is fixedly embedded with air suction motor 103, one side of shell 1 inner cavity is fixedly connected with fixed bottom ring 104, the other side of shell 1 inner cavity is penetrated and is equipped with multiple heat dissipation exhaust grooves 105, the top of shell 1 is provided with shell assembly 2, and the inside of shell assembly 2 is provided with filter barrel assembly 3.

[0029] Specifically: open top cover 209, pinch the edge of fixed ring 301 and take out filter barrel assembly 3, press down connecting rod two 318, cover plate 307 pops out, can be inclined filter barrel assembly 3 to pour the dust in filter barrel 302 to garbage can, this design makes this blackboard eraser dust collector convenient for dust cleaning more quickly, while avoiding dust adsorbed on hand when pouring dust, practicality increases;Air suction motor 103 is the existing technology common silent air suction motor, reduces the noise generated when using this blackboard eraser dust collector.

[0030] In an embodiment, the shell assembly 2 comprises a middle cover 201, one side of the middle cover 201 is provided with a buckle slot 202, one end of one side of the middle cover 201 is embedded with a switch controller 203, four corners of the inner cavity of the middle cover 201 are fixedly connected with connecting columns 204, one end of the surface of the middle cover 201 is provided with a placement limiting groove 205, a filter barrel groove 206 is penetratingly provided in the inner part of the placement limiting groove 205, and the bottom of one end of the inner cavity of the middle cover 201 is penetratingly provided with an electric wire groove 207.

[0031] Specifically: the placement limiting groove 205 and the filter barrel groove 206 can limit the surface of the fixing ring 301 and fix the top of the filter barrel assembly 3.

[0032] In an embodiment, the inner part of the other end of the middle cover 201 is fixedly connected with two connecting rods 208, the surface of the two connecting rods 208 is movably sleeved with a top cover 209, and the surface of the other end of the top cover 209 is penetratingly provided with a plurality of air inlet grooves 210.

[0033] Specifically: the filter barrel assembly 3 can be taken out by lifting the top cover 209, which is convenient for cleaning dust and more efficient.

[0034] In an embodiment, the filter barrel assembly 3 comprises a fixing ring 301, the bottom of the fixing ring 301 is fixedly connected with a filter barrel 302, both ends of one side of the surface of the fixing ring 301 are fixedly connected with support plates 303, the inner part of the two support plates 303 is movably embedded with a rotating rod 304, the surface of the rotating rod 304 is fixedly connected with a U-shaped connecting block 305, the surface of the rotating rod 304 is movably sleeved with a special-shaped spring 306, one end of the special-shaped spring 306 is tightly attached to the bottom of the U-shaped connecting block 305, the other end of the special-shaped spring 306 is tightly attached to the surface of the fixing ring 301, the other end of the U-shaped connecting block 305 is fixedly connected with a cover plate 307, a plurality of dust inlet grooves 308 are penetratingly provided in the surface of the cover plate 307, a sealing rubber ring I 309 is embeddedly connected to the top of the dust inlet groove 308, a sealing rubber ring II 310 is embeddedly connected to the bottom of the dust inlet groove 308, a fixing hook 311 is fixedly connected to the other end of the dust inlet groove 308, and the bottom of the sealing rubber ring II 310 is tightly attached to the surface of the fixing ring 301.

[0035] Specifically: the sealing rubber ring II 310 is tightly attached between the fixing ring 301 and the cover plate 307, so as to avoid dust from escaping from the gap between the cover plate 307 and the fixing ring 301.

[0036] In an embodiment, the surface of the fixed ring 301 is provided with a fixed hook extending into the groove 312, the inside of the fixed hook extending into the groove 312 is provided with a limiting clamping plate movable groove 313, one end of the inside cavity of the limiting clamping plate movable groove 313 is provided with a connecting rod two movable groove 314, both sides of the other end of the limiting clamping plate movable groove 313 are fixedly connected with T-shaped limiting rods 315, the surfaces of the two T-shaped limiting rods 315 are movably sleeved with limiting clamping plates 316, the side of the limiting clamping plate 316 is provided with a fixed hook fixing groove 317, one end of the limiting clamping plate 316 is fixedly connected with a connecting rod two 318, the surface of the limiting clamping plate 316 is movably embedded in the inside of the limiting clamping plate movable groove 313, the surface of the connecting rod two 318 is movably embedded in the inside of the connecting rod two movable groove 314, the surfaces of the two T-shaped limiting rods 315 are movably sleeved with springs 319, one end of the two springs 319 is fixedly connected in one end of the inside cavity of the limiting clamping plate movable groove 313, the other end of the two springs 319 is fixedly connected to both ends of one side of the limiting clamping plate 316, the bottom end of the surface of the fixed hook 311 is movably embedded in the inside of the fixed hook fixing groove 317.

[0037] Specifically: one end of the limiting clamping plate 316 is provided with two T-shaped grooves, the two T-shaped limiting rods 315 are movably embedded in the inside of the two T-shaped grooves, the diameter of one end of the T-shaped limiting rod 315 is smaller than the inside diameter of the T-shaped groove but larger than the diameter of the T-shaped groove opening, the T-shaped limiting rod 315 and the T-shaped groove cooperate to limit the movement of the limiting clamping plate 316.

[0038] In an embodiment, the inside of the four connecting columns 204 is connected to one end of the four screw connecting columns 102 by screws.

[0039] Specifically: the screw extends from the bottom of the screw connecting column 102 to fix the screw connecting column 102 and the connecting column 204, and fix the middle cover 201 on the top of the shell 1.

[0040] In an embodiment, the surface of the fixed ring 301 is movably embedded in the inside of the placement limiting groove 205, the surface of the filter bucket 302 is movably embedded in the inside of the filter bucket groove 206, the bottom end of the surface of the filter bucket 302 is movably embedded in the inside of the fixed bottom ring 104, and the surface of the sealing rubber ring one 309 is tightly attached to the bottom of the top cover 209.

[0041] Specifically: the fixed bottom ring 104 can limit the bottom of the filter bucket assembly 3, fix the bottom of the filter bucket assembly 3, and the sealing rubber ring one 309 tightly attached to the bottom of the top cover 209 to prevent dust from floating out between the top cover 209 and the cover plate 307.

[0042] Working principle: the blackboard eraser dust collector is placed in the desired position and connected to the external power supply device, the switch controller 203 is electrically connected with the suction motor 103, and the device is connected with the external power supply device through the wire slot 207 to provide power for the internal electrical components of the device.

[0043] The suction motor 103 is started by the switch controller 203, the blackboard eraser to be cleaned is placed on the surface of the top cover 209 and slides back and forth, the dust in the blackboard eraser enters the inner cavity of the filter barrel 302 from the air inlet slot 210 and passes through the dust inlet slot 308, and the dust is stored in the inner cavity of the filter barrel 302 under the blocking of the filter barrel 302, and the dusting of the blackboard eraser is completed.

[0044] When it is necessary to clean the dust stored in the filter barrel 302, the initial state of the special-shaped spring 306 is compressed, the fingers are inserted into the trigger slot 202 to open the top cover 209, the edge of the fixed ring 301 is pinched and the filter barrel assembly 3 is pulled out, the filter barrel assembly 3 is moved above the garbage can, the connecting rod two 318 is pressed down, the connecting rod two 318 moves with the limiting clamping plate 316 into the inner cavity of the limiting clamping plate moving slot 313, the spring 319 is deformed under the pressure of the limiting clamping plate 316, the fixed hook 311 loses the limiting of the fixed hook fixing slot 317 and is pulled out from the inner cavity of the fixed hook extension slot 312 under the elastic force of the special-shaped spring 306, the fingers pressing the connecting rod two 318 are released, the limiting clamping plate 316 returns to the original position under the elastic force of the spring 319, the filter barrel assembly 3 can be tilted to pour the dust in the filter barrel 302 into the garbage can, then the fixed hook 311 is pressed into the inner cavity of the fixed hook extension slot 312 and the fixed hook fixing slot 317, the limiting clamping plate 316 moves to one end of the limiting clamping plate moving slot 313 under the extrusion of the fixed hook 311, when the bottom end of the fixed hook 311 is completely embedded in the fixed hook fixing slot 317, the fixed hook 311 is fixed by the elastic force of the spring 319, the special-shaped spring 306 is deformed, and then the filter barrel assembly 3 is placed in the placement limiting slot 205 and the filter barrel slot 206 and the top cover 209 is covered.

[0045] This design makes the blackboard eraser dust collector convenient for dust cleaning and more efficient, and avoids dust adsorbed on the hands when pouring dust, increasing the practicality.

[0046] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A blackboard eraser dust extractor, characterized by, Include: The shell (1), the four corners of the bottom of the shell (1) are fixedly connected with support feet (101), the four corners of the bottom of the shell (1) are fixedly embedded with screw connecting columns (102), the inside of the shell (1) is fixedly embedded with an air extraction motor (103), one side of the inner cavity of the shell (1) is fixedly connected with a fixed bottom ring (104), the other side of the inner cavity of the shell (1) is provided with a plurality of heat dissipation exhaust grooves (105), and the top of the shell (1) is provided with a shell assembly (2), and the inside of the shell assembly (2) is provided with a filter barrel assembly (3).

2. A chalkboard duster according to claim 1, wherein: The shell assembly (2) comprises a middle cover (201), a buckle groove (202) is formed in one side of the middle cover (201), a switch controller (203) is embedded and installed at one end of one side of the middle cover (201), connecting columns (204) are fixedly connected at the four corners of the inner cavity of the middle cover (201), a placing limiting groove (205) is formed at one end of the surface of the middle cover (201), a filter barrel groove (206) is formed in the inside of the placing limiting groove (205), and a wire groove (207) is formed in the bottom of one end of the inner cavity of the middle cover (201).

3. A chalkboard duster according to claim 2, wherein: The other end of the middle cover (201) is fixedly connected with connecting rods (208) on both sides, and the surface of the two connecting rods (208) is movably sleeved with a top cover (209), and a plurality of air inlet grooves (210) are formed in the surface of the other end of the top cover (209).

4. A chalkboard eraser dust collector according to claim 1, wherein: The filter barrel assembly (3) comprises a fixed ring (301), the bottom of the fixed ring (301) is fixedly connected with a filter barrel (302), both ends of one side of the surface of the fixed ring (301) are fixedly connected with support plates (303), the inside of the two support plates (303) is movably embedded with a rotating rod (304), the surface of the rotating rod (304) is fixedly connected with a U-shaped connecting block (305), the surface of the rotating rod (304) is movably sleeved with a special-shaped spring (306), one end of the special-shaped spring (306) is closely attached to the bottom of the U-shaped connecting block (305), the other end of the special-shaped spring (306) is closely attached to the surface of the fixed ring (301), the other end of the U-shaped connecting block (305) is fixedly connected with a cover plate (307), a plurality of dust inlet grooves (308) are formed in the surface of the cover plate (307), the top of the dust inlet groove (308) is embeddedly connected with a sealing rubber ring (309), the bottom of the dust inlet groove (308) is embeddedly connected with a sealing rubber ring (310), and the other end of the dust inlet groove (308) is fixedly connected with a fixed hook (311).

5. A blackboard eraser dust extractor according to claim 4, characterized in that: The surface of the fixed ring (301) is provided with a fixed hook extending slot (312), the inside of the fixed hook extending slot (312) is provided with a limiting clamping plate movable slot (313), one end of the inside of the limiting clamping plate movable slot (313) is provided with a connecting rod two movable slot (314), both sides of the other end of the limiting clamping plate movable slot (313) are fixedly connected with T-shaped limiting rods (315), the surface of the two T-shaped limiting rods (315) is movably sleeved with limiting clamping plates (316), the side of the limiting clamping plate (316) is provided with a fixed hook fixing slot (317), one end of the limiting clamping plate (316) is fixedly connected with a connecting rod two (318), the surface of the limiting clamping plate (316) is movably embedded in the inside of the limiting clamping plate movable slot (313), the surface of the connecting rod two (318) is movably embedded in the inside of the connecting rod two movable slot (314), the surface of the two T-shaped limiting rods (315) is movably sleeved with springs (319), one end of the two springs (319) is fixedly connected with the inside of the limiting clamping plate movable slot (313), the other end of the two springs (319) is fixedly connected with the two ends of the side of the limiting clamping plate (316), the surface of the bottom end of the fixed hook (311) is movably embedded in the inside of the fixed hook fixing slot (317).

6. A chalkboard duster according to claim 2, wherein: The inside of the four connecting columns (204) is connected with one end of the four screw connecting columns (102) through screws.

7. A chalkboard duster according to claim 4 wherein: The surface of the fixed ring (301) is movably embedded in the inside of the placing limiting slot (205), the surface of the filter barrel (302) is movably embedded in the inside of the filter barrel slot (206), the surface of the bottom end of the filter barrel (302) is movably embedded in the inside of the fixed bottom ring (104), and the surface of the sealing rubber ring one (309) is tightly attached to the bottom of the top cover (209).