Dustproof chalk box facilitating chalk discharging

Abstract

The dustproof chalk box comprises a box body, the top of one end of the box body is connected with an integrated storage box, an inclined storage cavity is formed in the storage box, the bottom of one end of the box body and the top of the side, away from the box body, of the storage box are each provided with a clamping groove, buckles are connected into the two clamping grooves in a clamped mode, and the buckles are arranged in the storage cavity. According to the dustproof chalk box facilitating chalk discharging, stored chalks are squeezed through the spring, the tension spring, the first push plate and the second push plate, the chalks are kept in a tight state and a vertical state, after the chalks are taken out, the follow-up chalks move towards the discharging channel, the chalks are automatically fed forwards, and the chalk discharging efficiency is improved. The use is convenient; the chalk is prevented from sliding out accidentally through the sliding key, when the sliding key slides, the channel is opened, the electric telescopic rod is started at the same time, the electric telescopic rod ejects the chalk out through the ejection plate, and chalk ejection operation is easy and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of chalk boxes, in particular to a dustproof chalk box which is convenient for taking out pens. Background Art

[0002] A chalk box is a container for chalks, typically in the shape of a cuboid or cube. It comes in two types: colored chalk boxes and white chalk boxes. Removing the first piece of chalk from a new box is difficult because the box is completely filled with chalk, leaving no space. When reaching into the box to remove a piece of chalk, a finger inevitably comes into contact with chalk other than the intended piece, which can be inconvenient. Utility Model Content

[0003] The purpose of the utility model is to provide a dustproof chalk box which is convenient for taking out pens, so as to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a dust-proof chalk box that is convenient for taking out pens, comprising a box body, an integrated storage box connected to the top of one end of the box body, an inclined storage cavity provided inside the storage box, a card slot provided at the bottom of one end of the box body and a top of the side of the storage box away from the box body, both of the card slots are snap-fitted and connected, an end plate is fixedly connected between the two card slots, one side of the end plate is fixedly connected to a spring located in the storage cavity, one end of the spring away from the end plate is fixedly connected to a first push plate, both sides of the bottom of the storage cavity are provided with a first slide groove, the top between the two first slide grooves is fixedly connected, both ends of the fixing rod are fixedly connected to a tension spring, the two tension springs are respectively located inside the two first slide grooves, and the ends of the two tension springs away from the fixing rod are fixedly connected to the first slider. The top of the two sliding panels is fixedly connected to the two first sliding grooves, and the top of the two first sliding panels is fixedly connected to the second push plate between the two first sliding panels. A groove is provided on the top of the other end of the box body, and a slide rail is provided on the top of each of the two slide rails. The top of the two slide rails is slidably connected to a slide seat, and a slide key is fixedly installed on one side of the bottom of the groove and a switch corresponding to the movable rod is fixedly installed. The storage cavity is provided with a discharge channel, and the bottom of the discharge channel is provided with a movable groove. One end of the top of the movable groove is slidably connected to an ejection plate, and the bottom of the ejection plate is fixedly connected to an L-shaped rod, and the other end of the top of the movable groove is fixedly installed with an electric telescopic rod, and the top of the L-shaped rod away from the ejection plate is fixedly connected to the output end of the electric telescopic rod, and a battery chamber is provided at the bottom of the other end of the box body.

[0005] Preferably, a receiving groove is provided at the bottom of the storage cavity, and the receiving groove is engaged with the second push plate.

[0006] Preferably, second sliding grooves are provided on both sides of the box body, and the two first sliders are fixedly connected to the opposite sides thereof with second sliders, and the two second sliders are slidingly connected to the two second sliding grooves respectively, and one end of the two second sliding grooves is provided with a bend corresponding to the storage groove.

[0007] Preferably, a transparent panel is fixedly provided on the top of the storage box, through which the amount of chalk stored in the storage cavity can be viewed, so that the user can check the amount of chalk and replenish it in time.

[0008] Preferably, a plurality of anti-slip protrusions are fixedly provided on the top of the sliding key, and the anti-slip protrusions increase the friction resistance to facilitate the movement of the sliding key.

[0009] Preferably, grooves are provided in the two card slots, and the two clips are provided with integrated hooks, which are respectively engaged with the two grooves to fix the two clips and thus fix the end plate.

[0010] Preferably, the top of the discharge channel extends to the top of the box body, and the slide key covers the opening at the top of the discharge channel. In the normal state, the slide key covers the opening at the top of the discharge channel to prevent the chalk from accidentally slipping out. When the slide key is slid, the opening at the top of the discharge channel is exposed, so that the chalk can slide out from the opening at the top of the discharge channel.

[0011] Preferably, the other side of the bottom of the groove and the inner side of the sliding key are fixedly connected with a rotating seat, and a movable rod corresponding to the switch is rotatably connected between the two rotating seats. A first return spring connected to the middle of the movable rod is fixedly provided on one side of the groove, and a strip movable groove is provided at the connection between the movable rod and the rotating seat on the groove. The battery is electrically connected to the electric telescopic rod through the switch, and the sliding sliding key can drive the movable rod to rotate, and the movable rod can press the switch. The first return spring drives the movable rod and the sliding key to reset.

[0012] Preferably, a limit block is fixedly provided at the top of the movable groove and the middle of the L-shaped rod, and a second reset spring is provided between the two limit blocks, and the second reset spring drives the L-shaped rod to reset.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] Through the spring and the tension spring, the first push plate and the second push plate squeeze the stored chalk, so that the chalk is kept in a compact state. The chalk remains in a vertical state. After the chalk is taken out, the subsequent chalk moves to the discharge channel, and the chalk is automatically replenished forward for easy use.

[0015] The sliding key can be used to prevent the chalk from accidentally sliding out. When the sliding key is slid, the channel is opened and the electric telescopic rod is started at the same time. The electric telescopic rod pushes out the chalk through the ejection plate, and the operation of taking out the chalk is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 It is an expanded view of the utility model;

[0018] Figure 3 It is a cross-sectional view of the box body of the utility model;

[0019] Figure 4 This is a schematic diagram of the second push plate of the utility model;

[0020] Figure 5 This is a schematic diagram of the ejector plate of the utility model;

[0021] Figure 6 It is a schematic diagram of the local structure of the utility model.

[0022] In the figure: 1. box body; 2. storage box; 3. end plate; 4. transparent panel; 5. sliding key; 6. second slide groove; 7. buckle; 8. hook; 9. spring; 10. first push plate; 11. slot; 12. groove; 13. anti-slip protrusion; 14. storage chamber; 15. first slide groove; 16. discharge channel; 17. electric telescopic rod; 18. movable rod; 19. tension spring; 20. second push plate; 21. first slider; 22. second slider; 23. fixed rod; 24. L-shaped rod; 25. ejector plate; 26. second return spring; 27. limit block; 28. slide seat; 29. ​​slide rail; 30. switch; 31. swivel seat; 32. battery chamber; 33. battery; 34. first return spring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-6The utility model provides a dust-proof chalk box that is convenient for taking out pens, including a box body 1, an integrated storage box 2 is connected to the top of one end of the box body 1, an inclined storage cavity 14 is provided inside the storage box 2, a card slot 11 is provided at the bottom of one end of the box body 1 and the top of the storage box 2 on the side away from the box body 1, two card slots 11 are both engaged with card buckles 7, two card slots 11 are both provided with grooves 12, two card hooks 8 of an integrated structure are provided on the two card hooks 7, the two card hooks 8 are respectively engaged with the two grooves 12, and an end plate 3 is fixedly connected between the two card buckles 7;

[0025] When in use, first remove the end plate 3, then push multiple chalks vertically into the storage cavity 14 of the storage box 2 in sequence, and finally press the end plate 3 back, and the two hooks 8 respectively engage with the two grooves 12 to fix the end plate 3.

[0026] The two second slides 22 are slidably connected to the two second slides 6 respectively, and one end of the two second slides 6 is fixedly connected to the second push plate 20.

[0027] During use, the first push plate 10 and the second push plate 20 squeeze the stored chalk through the spring 9 and the tension spring 19, so that the chalk remains in a tight state, the chalk remains in a vertical state and after the chalk is taken out, the subsequent chalk moves to the discharge channel 16. When chalk needs to be added, the second push plate 20 is slid downward through the two second sliders 22, and the second slider 22 slides along the second slide groove 6. Finally, the second slider 22 enters the bend of the second slide groove 6, and the second push plate 20 enters the storage slot to prevent the second push plate 20 from blocking the chalk from entering the storage cavity 14 of the storage box 2.

[0028] A groove is provided at the top of the other end of the box body 1, and slide rails 29 are provided at the tops on both sides of the groove. A slide seat 28 is slidably connected to the top between the two slide rails 29, and a slide key 5 is fixedly connected to the top of the slide seat 28. A switch 30 corresponding to the movable rod 18 is fixedly installed on one side of the bottom of the groove. A discharge channel 16 is provided inside the storage cavity 14, and a movable groove is provided at the bottom of the discharge channel 16. One end of the top of the movable groove is slidably connected to an ejection plate 25, and the bottom of the ejection plate 25 is fixedly connected to an L-shaped rod 24. The other end of the top of the movable groove is fixedly installed with an electric telescopic rod 17, and the top of the end of the L-shaped rod 24 away from the ejection plate 25 is fixedly connected to the output end of the electric telescopic rod 17. A battery chamber is provided at the bottom of the other end of the box body 1 32, a battery 33 is installed in the battery chamber 32, and a rotating seat 31 is fixedly connected to the other side of the bottom of the groove and the inner side of the sliding key 5. A movable rod 18 corresponding to the switch 30 is rotatably connected between the two rotating seats 31. A first return spring 34 connected to the middle part of the movable rod 18 is fixedly provided on one side of the groove. A strip-shaped movable groove is provided at the connection between the movable rod 18 and the rotating seat 31 on the groove. The battery 33 is electrically connected to the electric telescopic rod 17 through the switch 30. The top of the discharge channel 16 extends to the top of the box body 1, and the sliding key 5 covers the opening at the top of the discharge channel 16. A limit block 27 is fixedly provided on the top of the movable groove and the middle of the L-shaped rod 24, and a second return spring 26 is provided between the two limit blocks 27;

[0029] When in use, the user slides the sliding key 5, and the sliding key 5 disengages from the top opening of the discharging channel 16 while driving the movable rod 18 to rotate and move, and the movable rod 18 pulls the first return spring 34. Finally, the movable rod 18 presses the switch 30, and the battery 33 is powered. The electric telescopic rod 17 is energized and works, and the electric telescopic rod 17 drives the L-shaped rod 24 to move upward, and the L-shaped rod 24 drives the ejection plate 25 to move upward while compressing the second return spring 26. The ejection plate 25 ejects the chalk from the opening at the top of the discharging channel 16, making it convenient for the user to take the chalk, and then, under the elastic force of the second return spring 26, the L-shaped rod 24 and the ejection plate 25 are driven to reset. After taking out the chalk, the sliding key 5 is released, and the movable rod 18 is pulled to reset under the action of the first return spring 34. The movable rod 18 releases the switch 30 and the movable rod 18 drives the sliding key 5 to reset.

[0030] A transparent panel 4 is fixedly provided on the top of the storage box 2. The amount of chalk stored in the storage cavity 14 can be viewed through the transparent panel 4, so that the user can check the amount of chalk and replenish it in time.

[0031] A plurality of anti-skid protrusions 13 are fixedly provided on the top of the sliding key 5 , and the anti-skid protrusions 13 increase the friction resistance, making it easier to move the sliding key 5 .

[0032] When in use, the utility model provides a dust-proof chalk box that is convenient for taking out pens. The user slides the sliding key 5, and the sliding key 5 disengages from the top opening of the discharge channel 16 while driving the movable rod 18 to rotate and move. The movable rod 18 pulls the first return spring 34, and finally the movable rod 18 presses the switch 30, the battery 33 is powered, the electric telescopic rod 17 is powered on, and the electric telescopic rod 17 drives the L-shaped rod 24 to move upward, and the L-shaped rod 24 drives the ejection plate 25 to move upward while compressing the second return spring 26, and the ejection plate 25 pushes the chalk out of the opening at the top of the discharge channel 16. The opening is ejected, which makes it convenient for the user to take the chalk. Then, under the elastic force of the second return spring 26, the L-shaped rod 24 and the ejection plate 25 are driven to reset. After taking out the chalk, the sliding key 5 is released. Under the action of the first return spring 34, the movable rod 18 is pulled to reset. The movable rod 18 releases the switch 30 and the movable rod 18 drives the sliding key 5 to reset. Through the spring 9 and the tension spring 19, the first push plate 10 and the second push plate 20 squeeze the stored chalk to keep the chalk in a tight state. The chalk remains in a vertical state and after the chalk is taken out, the subsequent chalk moves to the discharge channel 16;

[0033] The amount of chalk stored in the storage cavity 14 can be viewed through the transparent panel 4, which is convenient for users to check the amount of chalk and replenish it in time. When replenishing chalk, the end plate 3 is removed, and the two second sliders 22 are slid into the bend of the second slide groove 6. The second push plate 20 enters the storage groove to prevent the second push plate 20 from blocking the chalk from entering the storage cavity 14 of the storage box 2. Then, multiple chalks are pushed vertically into the storage cavity 14 of the storage box 2 in turn, and finally the end plate 3 is pressed back. The two hooks 8 are respectively engaged with the two grooves 12 to fix the end plate 3.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A dustproof chalk box for convenient use, comprising a box body (1), characterized in that: The top of one end of the box body (1) is connected to an integrated storage box (2), an inclined storage cavity (14) is provided inside the storage box (2), a card slot (11) is provided at the bottom of one end of the box body (1) and at the top of a side of the storage box (2) away from the box body (1), two card slots (11) are engaged with buckles (7), an end plate (3) is fixedly connected between the two buckles (7), one side of the end plate (3) is fixedly connected to a spring (9) located in the storage cavity (14), and the spring (9) is away from the box body (1). A first push plate (10) is fixedly connected to one end of the end plate (3); first slide grooves (15) are provided on both sides of the bottom of the storage cavity (14); a fixing rod (23) is fixedly connected to the top between the two first slide grooves (15); both ends of the fixing rod (23) are fixedly connected to tension springs (19); the two tension springs (19) are respectively located inside the two first slide grooves (15); the ends of the two tension springs (19) away from the fixing rod (23) are fixedly connected to a first slider (21); the two first sliders (21) ) are respectively slidably connected to the two first slide grooves (15), a second push plate (20) is fixedly connected to the top between the two first slide blocks (21), a groove is provided at the top of the other end of the box body (1), slide rails (29) are provided at the tops of both sides of the groove, a slide seat (28) is slidably connected to the top between the two slide rails (29), a slide key (5) is fixedly connected to the top of the slide seat (28), a switch (30) is fixedly installed on one side of the bottom of the groove, and a discharge channel (16) is provided inside the storage cavity (14) A movable groove is provided at the bottom of the discharge channel (16), one end of the top of the movable groove is slidably connected to an ejection plate (25), the bottom of the ejection plate (25) is fixedly connected to an L-shaped rod (24), the other end of the top of the movable groove is fixedly installed with an electric telescopic rod (17), the top of one end of the L-shaped rod (24) away from the ejection plate (25) is fixedly connected to the output end of the electric telescopic rod (17), and a battery chamber (32) is provided at the bottom of the other end of the box body (1), and a battery (33) is installed in the battery chamber (32).

2. A dust-proof chalk box that is convenient for taking out pens according to claim 1, characterized in that: The bottom of the storage cavity (14) is provided with a storage groove, and the storage groove is engaged and connected with the second push plate (20).

3. A dust-proof chalk box that is convenient for taking out pens according to claim 2, characterized in that: Second slide grooves (6) are provided on both sides of the box body (1); the two first slide blocks (21) are fixedly connected to the opposite sides thereof with second slide blocks (22); the two second slide blocks (22) are respectively slidably connected to the two second slide grooves (6); and one end of the two second slide grooves (6) is provided with a bend corresponding to the receiving groove.

4. A dust-proof chalk box that is convenient for taking out pens according to claim 1, characterized in that: A transparent panel (4) is fixedly arranged on the top of the storage box (2).

5. The dustproof chalk box for convenient use of the pencil according to claim 1, characterized in that: A plurality of anti-slip protrusions (13) are fixedly arranged on the top of the sliding key (5).

6. The dustproof chalk box for convenient use of the pencil according to claim 1, characterized in that: A groove (12) is provided in each of the two clamping slots (11), and a clamping hook (8) of an integrated structure is provided on each of the two clamping buckles (7), and the two clamping hooks (8) are respectively engaged and connected with the two grooves (12).

7. The dustproof chalk box for convenient use according to claim 1, characterized in that: The top end of the discharge channel (16) extends to the top of the box body (1), and the sliding key (5) covers the opening at the top end of the discharge channel (16).

8. The dustproof chalk box for convenient use of the pencil according to claim 1, characterized in that: A rotating seat (31) is fixedly connected to the other side of the bottom of the groove and the inner side of the sliding key (5); a movable rod (18) corresponding to the switch (30) is rotatably connected between the two rotating seats (31); a first return spring (34) connected to the middle of the movable rod (18) is fixedly arranged on one side of the groove; a strip-shaped movable groove is provided at the connection between the movable rod (18) and the rotating seat (31) on the groove; and the battery (33) is electrically connected to the electric telescopic rod (17) through the switch (30).

9. The dustproof chalk box for convenient use of the pencil according to claim 1, characterized in that: A limit block (27) is fixedly arranged at the top of the movable groove and the middle of the L-shaped rod (24), and a second return spring (26) is arranged between the two limit blocks (27).

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