CN219306193U - Anti-falling chalk box - Google Patents

Abstract

The utility model relates to the field of teaching aids, and discloses an anti-falling chalk box which comprises an inner box body and a lower box body, wherein sliding grooves are formed in the centers of inner walls of two sides of the lower box body, sliding blocks are arranged in the two sliding grooves in a sliding mode, the inner box body is fixedly connected between the two sliding blocks, a plurality of chalk holes are uniformly formed in the upper end of the inner box body, a rubber plug plate is movably arranged at the lower end of each chalk hole, the lower box body comprises a lower shell, a lower inner plate is fixedly arranged on an upper concave surface of the lower shell, protrusions are fixedly arranged on two sides of the lower shell and are fixedly connected with elastic fasteners at the upper ends of the two protrusions, a reset spring is fixedly connected between the two elastic fasteners and the lower shell, and directional fasteners are fixedly connected at the upper ends of the two elastic fasteners in a buckling mode. According to the chalk box, the box body of the chalk box has an anti-falling effect, has a certain compression resistance, is not easy to damage the chalk inside the chalk box, and is convenient to clean.

Description

Anti-falling chalk box

Technical Field

The utility model relates to the field of teaching stationery, in particular to an anti-falling chalk box.

Background

The chalk box is a common teaching tool, is used for storing chalks, and is generally used for storing chalks with different colors in classrooms, training room podium or blackboard grooves, and the chalks with different colors are taken from the chalk box for writing according to different conditions.

Most of the existing chalk boxes are square or rectangular boxes, all the chalks are placed in the boxes, the used materials of the boxes are different, most of the boxes are made of plastic or paper boards, the chalks are placed in the chalk boxes, the chalk boxes are often dropped due to the influence of people or other factors when the chalk boxes are placed, the chalk boxes are damaged due to poor protection effects, the chalks in the chalk boxes are broken, the chalks cannot be used better due to broken chalks, and most of the chalk boxes can enable the chalks and chalk dust to be placed together with broken chalks, so that the chalk boxes are inconvenient to clean, and the anti-drop chalk boxes are provided by a person in the art to solve the problems in the background art.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides the anti-falling chalk box which can prevent other factors from breaking the chalk box, has a certain buffer function for the chalk box body, ensures that the chalk is not easy to break inside the chalk box, provides a certain protection, can separate the chalk dust from broken chalk, and is convenient to clean and clean.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the anti-falling chalk box comprises an inner box body and a lower box body, wherein sliding grooves are formed in the centers of the inner walls of the two sides of the lower box body, sliding blocks are arranged in the two sliding grooves in a sliding mode, the inner box body is fixedly connected between the two sliding blocks, a plurality of chalk holes are uniformly formed in the upper end of the inner box body, and rubber plug plates are movably arranged at the lower ends of the chalk holes;

the lower box body comprises a lower shell, a lower inner plate is fixedly arranged on the upper concave surface of the lower shell, bulges are fixedly arranged on the two sides of the lower shell and lean against the upper side, elastic fasteners are fixedly connected to the upper ends of the two bulges, return springs are fixedly connected between the two elastic fasteners and the lower shell, and directional fasteners are fixedly connected to the upper ends of the two elastic fasteners in a buckling manner;

through above-mentioned technical scheme, through setting up spout and slider sliding connection in lower box body both sides inner wall center department, drive inside box body and reciprocate in the inside of box body down, make things convenient for getting of inside box body to offer a plurality of chalk holes in inside box body upper end, set up the chalk hole and can separately store the chalk, let the chalk can not lead to breaking off or impaired because of the collision between the chalk in inside box body, the chalk hole lower extreme is provided with the rubber cock plate, the rubber cock of rubber cock plate just to the lower extreme in chalk hole, the rubber cock can fix the chalk of chalk downthehole stability in the chalk hole, and set up the two-layer with the box body down, lower shell uses rubber material in the box body down, it is wooden material to use, can provide certain protection and cushioning effect when the chalk box falls down, set up elastic fastener in lower box body both sides top, be connected with directional fastener buckle through reset spring, can be connected with directional fastener, be favorable to the expansion and the protection of inside box body.

Further, an upper box body is fixedly arranged between the directional fasteners and comprises an upper shell, an upper inner plate is fixedly arranged on the lower concave surface of the upper shell, and a sponge top is fixedly arranged on the inner top surface of the upper inner plate;

through above-mentioned technical scheme, carry out the layering through setting up shell and last inner panel to the box body, make the box body when being extruded or fall down, have certain buffering and resistance to compression effect, protect whole box body can not easily destroyed, also make the inside chalk of box body can not be damaged easily, can let the chalk place in the inside box body through setting up the sponge roof at the interior top surface of last inner panel, let the chalk that spills provide the protection, can protect the chalk when the box body is at the transportation or the in-process that drops because the chalk is rocked in the box body inside, can let the chalk be difficult by rocking and lead to breaking with the damage.

Further, a concave bottom plate is fixedly arranged on the inner bottom surface of the lower box body, and a screen is fixedly arranged on the inner walls of the two sides of the concave bottom plate;

through the technical scheme, through the concave bottom plate arranged on the inner bottom surface of the lower box body, and the screen is arranged on the concave bottom plate, when chalk dust or broken chalk is arranged in the chalk hole, the rubber plug plate can be taken out, broken chalk and chalk dust fall into the lower part, and the chalk dust falls into the concave bottom plate by the screen, so that broken chalk falls onto the screen.

Further, a plurality of anti-falling corner blocks are fixedly arranged at the corner of the upper end of the upper shell and the corner of the lower end of the lower shell;

through above-mentioned technical scheme, set up anti-falling corner piece with the corner of shell lower extreme down in last shell upper end, let the chalk box when falling down, can protect the box body, prevented directly making box body and ground collision, protected the chalk box difficult to be damaged, also protected the chalk in inside box body to a certain extent can not be damaged easily.

Further, the rubber plug at the upper end of the rubber plug plate is arranged right below the chalk hole;

through the technical scheme, the rubber plug of the rubber plug plate is arranged right below the chalk hole, so that the rubber plug of the rubber plug plate is right in the chalk hole, when a chalk is placed in the chalk hole, the chalk is stopped on the rubber plug, the chalk is fixed in the chalk hole, and when the chalk shakes in the chalk hole, the chalk has a certain buffering effect, the integrity of the chalk is protected, and the chalk is improved so as not to be broken easily.

Further, a plurality of chalk grooves are uniformly formed in the lower end of the sponge top;

through above-mentioned technical scheme, through setting up the chalk groove at the lower extreme on sponge top, the chalk groove makes just to the top in chalk hole, makes the chalk in the chalk hole, through the chalk groove on rubber cock plate and sponge top, lets the chalk fix to have elasticity and cushioning's effect, improve the chalk can not damage easily inside.

Further, the upper box body is positioned right above the inner box body and the lower box body;

through the technical scheme, through the slider that sets up inside box body both sides, can let inside box body place inside the lower box body through the spout of box body both sides inner wall under sliding connection, the directional fastener of rethread goes up the box body carries out the buckle with the elastic fastener of box body down and is connected, when inside box body is inside down, is connected with box body down with last box body again, makes to go up the box body and is located inside box body and box body down directly over, makes the chalk box have certain protectiveness, makes the chalk inside can not be damaged because of collision or fall easily.

Further, the surfaces of the chalk holes are made of polypropylene materials, the upper shell and the lower shell are made of rubber materials, and the upper inner plate and the lower inner plate are made of wood materials;

through above-mentioned technical scheme, through setting up chalk hole internal surface and being polypropylene material, make chalk hole internal surface have stronger smoothness, can not make the chalk dust be stained with in the chalk hole easily, can drop down through the chalk hole, go up shell and lower shell and use rubber material and can give the shell certain elasticity and cushion, go up inner panel and lower inner panel setting wooden material can make the chalk box have certain compressive resistance to let the chalk box have certain weight, make the chalk box can not be rocked so easily, make the chalk box place on the desktop more stably.

The utility model has the following beneficial effects:

1. according to the anti-falling chalk box, the upper box body and the lower box body are arranged, the upper box body and the lower box body are layered, the rubber material inner plate is arranged on the shell to be made of wood materials, anti-falling can be effectively prevented, a certain shock absorption effect is achieved, the anti-falling corner blocks are fixedly arranged at the corners of the upper end of the upper box body and the lower end of the lower box body, the chalk box body can be protected after falling, damage to the chalk box is avoided, and a certain protection effect is provided for chalk in the chalk box.

2. According to the anti-falling chalk box, the sliding blocks arranged on the two sides of the inner box body are arranged in the sliding grooves of the lower box body in a sliding manner, the inner box body is placed in the lower box body, a plurality of chalk holes are formed in the upper end of the inner box body, the directional fasteners on the two sides of the upper box body are connected with the elastic fasteners of the lower box body in a fastening manner, the inner box body is wrapped between the upper box body and the lower box body, so that the chalk is not easily broken to a certain extent, the chalk is protected, and the chalk can not be damaged by external factors under the condition of no use.

3. According to the anti-falling chalk box, the concave bottom plate is arranged on the lower box body, the screen is arranged on the concave bottom plate, the sponge top is arranged on the inner top surface of the upper inner plate, the plurality of chalk grooves are formed in the lower end of the sponge top, the rubber plug plate is arranged at the lower end of the chalk hole of the inner box body, when the chalk box cover is covered, under the influence of external factors, the chalk can shake on the inner box body, the sponge top and the rubber plug plate are arranged to enable the chalk not to be broken easily when shaking, a certain protection effect is achieved, the integrity of the chalk in the inner part is facilitated, broken chalk and chalk dust can fall into the screen, and the broken chalk and the chalk dust can be separated.

Drawings

FIG. 1 is an exploded view of an anti-shatter chalk box according to the present utility model;

FIG. 2 is an open front cross-sectional view of an anti-shatter chalk box according to the present utility model;

FIG. 3 is an enlarged view of the portion A of the anti-drop chalk box according to the present utility model;

fig. 4 is a front view of an anti-drop chalk box according to the present utility model.

Legend description:

1. an upper case; 101. an upper housing; 102. an upper inner plate; 103. a sponge top; 104. a chalk groove; 2. an inner case; 3. a slide block; 4. a chute; 5. a chalk hole; 6. a rubber stopper plate; 7. a concave bottom plate; 8. a screen; 9. a lower case; 901. a lower housing; 902. a lower inner plate; 10. an elastic fastener; 11. a return spring; 12. a protrusion; 13. anti-falling corner blocks; 14. an orientation fastener.

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.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides an anti-drop chalk box, including inside box body 2 and lower box body 9, the spout 4 has all been seted up in the inner wall center department of lower box body 9 both sides, two spouts 4 are inside to be provided with slider 3 that slides, inside box body 2 can slide inside box body 2 and lower box body 9 through slider 3 and spout 4 of lower box body 9, can place inside box body 9 also can take out inside box body 2, fixedly connected with inside box body 2 between two sliders 3, a plurality of chalk holes 5 have evenly been seted up to inside box body 2 upper end, a plurality of chalk holes 5 can deposit the chalk in inside box body 2, protect inside box body 2 with the shell, the activity of chalk hole 5 lower extreme is provided with rubber cock plate 6, rubber cock plate 6 can fix the chalk in the chalk hole 5, and prevent rocking has certain cushioning effect, the fracture that can not lead to because of the drop chalk has been improved;

the lower box body 9 comprises a lower outer shell 901, a lower inner plate 902 is fixedly arranged on the upper concave surface of the lower outer shell 901, protrusions 12 are fixedly arranged on the two sides of the lower outer shell 901 close to the upper side, elastic fasteners 10 are fixedly connected to the upper ends of the two protrusions 12, return springs 11 are fixedly connected between the two elastic fasteners 10 and the lower outer shell 901, when in snap connection, the elastic fasteners 10 can be extruded through the return springs 11, the directional fasteners 14 of the upper box body 1 are in snap connection with the elastic fasteners 10, the upper ends of the two elastic fasteners 10 are respectively in snap connection with the directional fasteners 14, sliding grooves 4 and sliding blocks 3 are arranged at the centers of the inner walls of the two sides of the lower box body 9 to drive the inner box body 2 to move up and down inside the lower box body 9, the inner box body 2 is convenient to take and place, a plurality of chalk holes 5 are formed in the upper end of the inner box body 2, the chalk can be stored separately through the set up holes 5, the chalk is prevented from being broken or damaged due to collision between the chalks in the inner box body 2, the rubber plug plate 6 is arranged at the lower end of the chalk hole 5, the rubber plug of the rubber plug plate 6 is opposite to the lower end of the chalk hole 5, when the inner box body 2 needs to be cleaned, the rubber plug plate 6 can be detached, the broken chalk of the chalk dust in the inner box body 2 falls below, the cleaning of the inside of the chalk box is convenient, the rubber plug plate 6 can fix the stable chalk in the chalk hole 5, the lower box body 9 is provided with two layers, the lower shell 901 in the lower box body 9 is made of rubber materials, the lower inner plate 902 is made of wood materials, a certain protective and buffering effect can be provided when the chalk box falls down, the elastic fasteners 10 are arranged at the upper sides of the lower box body 9, and are in buckled connection with the directional fasteners 14 through the reset springs 11, can be connected with the directional fastener 14, which is beneficial to the unfolding and protecting of the inner box body 2;

an upper box body 1 is fixedly arranged between the directional fasteners 14, the upper box body 1 comprises an upper shell 101, an upper inner plate 102 is fixedly arranged on the lower concave surface of the upper shell 101, a sponge top 103 is fixedly arranged on the inner top surface of the upper inner plate 102, the box body is layered by arranging the upper shell 101 and the upper inner plate 102, so that the whole box body is protected from being damaged easily due to certain buffering and compression resistance when being extruded or fallen, chalk in the box body is also protected from being damaged easily, and when the chalk is placed in the inner box body 2 due to the sponge top 103 arranged on the inner top surface of the upper inner plate 102, the leaked chalk is protected, and when the box body is protected due to the shake of the chalk in the box body in the transportation process or falling process, the chalk is not easy to be shaken to cause breakage and damage; when the chalk is needed to be used, the upper box body 1 can be opened to take out the chalk;

the concave bottom plate 7 is fixedly arranged on the inner bottom surface of the lower box body 9, the screens 8 are fixedly arranged on the inner walls of the two sides of the concave bottom plate 7, and the screens 8 are arranged on the concave bottom plate 7 through the concave bottom plate 7 arranged on the inner bottom surface of the lower box body 9, when chalk dust or broken chalk is arranged in the chalk hole 5, the rubber plug plate 6 can be taken out, the broken chalk and the chalk dust fall below, the chalk dust falls into the concave bottom plate 7 through the screens 8, the broken chalk falls on the screens 8, a plurality of anti-falling corner blocks 13 are fixedly arranged at the corner of the upper end of the upper shell 101 and the corner of the lower end of the lower shell 901, anti-falling corner blocks 13 are arranged at the corner of the upper end of the upper shell 101 and the lower end of the lower shell 901, so that the box body can be protected when the chalk box falls down, the box body is prevented from being directly collided with the ground or other objects, the broken chalk box is prevented from being easily damaged, when the chalk box is not easy to damage, the chalk is protected from being damaged easily in the inner box body 2 to a certain extent, the rubber plug at the upper end of the rubber plug plate 6 is arranged right below the chalk hole 5, the rubber plug of the rubber plug plate 6 is right below the chalk hole 5 by arranging the rubber plug plate 6, when the chalk is put into the chalk hole 5, the chalk is stopped on the rubber plug plate 6, the chalk is fixed in the chalk hole 5, and when the chalk is rocked up and down in the chalk hole 5, a certain buffering effect is provided, the integrity of the chalk is protected, the chalk is not easy to break, a plurality of chalk grooves 104 are uniformly formed at the lower end of the sponge top 103, the chalk grooves 104 are arranged at the lower end of the sponge top 103, the chalk grooves 104 are right above the chalk hole 5, the chalk is arranged in the chalk hole 5, the chalk grooves 104 pass through the rubber plug plate 6 and the chalk grooves 104 of the sponge top 103, the chalk is fixed, has the function of elastic heel buffering, improves the condition that the chalk cannot be easily damaged in the chalk, improves the use of the chalk, reduces the loss caused by the damage of the chalk, and cannot be easily extruded to cause damage when the chalk box is transported;

the upper box body 1 is located right above the inner box body 2 and the lower box body 9, through the sliding blocks 3 on two sides of the inner box body 2, the sliding grooves 4 on two side inner walls of the lower box body 9 can be connected in a sliding mode, the inner box body 2 is placed inside the lower box body 9, the directional fasteners 14 of the upper box body 1 are connected with the elastic fasteners 10 of the lower box body 9 in a buckling mode, when the inner box body 2 is located inside the lower box body 9, the upper box body 1 is connected with the lower box body 9, the upper box body 1 is located right above the inner box body 2 and the lower box body 9, the chalk box is enabled to have a certain protectiveness, the chalk cannot be damaged easily in the interior due to collision or falling, the surfaces of the chalk holes 5 are made of polypropylene materials, the upper shell 101 and the lower shell 901 are made of rubber materials, the upper inner plate 102 and the lower inner plate 902 are made of wood materials, the inner surfaces of the upper shell 5 are made of polypropylene materials, the inner surfaces of the lower inner plate are made of strong smoothness, the inner plate is not enabled to be stained in the holes 5 easily, the chalk dust can fall off through the holes 5, the lower shell is enabled to fall off, the shell and the chalk can be more stable, the chalk can be placed on the inner plate 101 and the chalk box is enabled to have a certain compression resistance to be more stable, and the chalk box is placed on a table top, and the chalk box is convenient to use.

Working principle: firstly, chalk is placed into a chalk hole 5 of an inner box body 2, a rubber plug plate 6 is used at the lower end of the chalk hole 5, then sliding blocks 3 at two sides of the inner box body 2 are connected into sliding grooves 4 at two inner walls of two sides of a lower box body 9 in a sliding manner, so that the inner box body 2 slides into the lower box body 9, then directional fasteners 14 at two lower sides of an upper box body 1 are connected with elastic fasteners 10 at two upper sides of the lower box body 9 in a buckling manner, the upper box body 1 and the lower box body 9 are fixed, the inner box body 2 is arranged in the lower box body 9 and the upper box body 1, and a concave bottom plate 7 and a screen 8 are arranged at the lower box body 9, so that chalk ends with broken chalk dust can be collected.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. The utility model provides an anti-drop chalk box, includes inside box body (2) and lower box body (9), its characterized in that: the chalk box is characterized in that sliding grooves (4) are formed in the centers of the inner walls of two sides of the lower box body (9), sliding blocks (3) are slidably arranged in the two sliding grooves (4), an inner box body (2) is fixedly connected between the two sliding blocks (3), a plurality of chalk holes (5) are uniformly formed in the upper end of the inner box body (2), and rubber plug plates (6) are movably arranged at the lower ends of the chalk holes (5);

lower box body (9) are including shell (901) down, the fixed inner panel (902) that is provided with of concave surface on shell (901) down, shell (901) both sides are all fixed being provided with protruding (12) by the top down, two protruding (12) upper end is equal fixedly connected with elastic fastener (10), two equal fixedly connected with reset spring (11) between elastic fastener (10) and shell (901) down, two elastic fastener (10) upper end is equal buckle connection has directional fastener (14).

2. An anti-shatter chalk box as claimed in claim 1, wherein: an upper box body (1) is fixedly arranged between the two directional fasteners (14), the upper box body (1) comprises an upper shell (101), an upper inner plate (102) is fixedly arranged on the lower concave surface of the upper shell (101), and a sponge top (103) is fixedly arranged on the inner top surface of the upper inner plate (102).

3. An anti-shatter chalk box as claimed in claim 1, wherein: concave bottom plates (7) are fixedly arranged on the inner bottom surface of the lower box body (9), and screen meshes (8) are fixedly arranged on the inner walls of the two sides of the concave bottom plates (7).

4. An anti-shatter chalk box as claimed in claim 2, wherein: a plurality of anti-falling corner blocks (13) are fixedly arranged at the corners of the upper end of the upper shell (101) and the corners of the lower end of the lower shell (901).

5. An anti-shatter chalk box as claimed in claim 1, wherein: the rubber plug at the upper end of the rubber plug plate (6) is arranged right below the chalk hole (5).

6. An anti-shatter chalk box as claimed in claim 2, wherein: a plurality of chalk grooves (104) are uniformly formed in the lower end of the sponge top (103).

7. An anti-shatter chalk box as claimed in claim 2, wherein: the upper box body (1) is positioned right above the inner box body (2) and the lower box body (9).

8. An anti-shatter chalk box as claimed in claim 2, wherein: the chalk hole (5) is made of polypropylene, the upper shell (101) and the lower shell (901) are made of rubber materials, and the upper inner plate (102) and the lower inner plate (902) are made of wood materials.

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