CN111361336A

CN111361336A - Chalk box convenient to take

Info

Publication number: CN111361336A
Application number: CN202010259088.4A
Authority: CN
Inventors: 涂珀溯
Original assignee: Chongqing Industry Polytechnic College
Current assignee: Chongqing Industry Polytechnic College
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-07-03

Abstract

The invention belongs to the technical field of chalk storage equipment, and particularly relates to a chalk box convenient to take and use. The purpose is as follows: the chalk box solves the problems that chalk taking is inconvenient and chalk ends and chalk dust pollute the environment due to the structural defects of the existing chalk box.

Description

Chalk box convenient to take

Technical Field

The invention belongs to the technical field of chalk storage equipment, and particularly relates to a chalk box convenient to take and use.

Background

Although the multimedia technology has gone into the classroom, the chalk is still a teaching article that the teacher can not leave, the traditional chalk box mixes all the chalks together, the chalks are easy to break or slide to each corner of the ground when being extracted, the chalks below are difficult to be extracted when the chalk ends are accumulated, the teaching of the teacher is not influenced, the sanitation is also influenced, in the classroom, people can often see that the teacher writes on the blackboard, the chalks are very inconvenient to take from the chalk box, after the chalk box is used for a period of time, the chalk ends in the box are more and more, the teacher can easily scatter the chalks in the box to the desk bottom or other corners when selecting the chalks, and meanwhile, a lot of chalk dust can be brought out, the chalk box is inconvenient and not beneficial to the health, the types of the chalk boxes in the market are more at present, but the problem that the chalk taking is inconvenient, and the chalk ends and the chalk dust pollute the environment still exists.

Disclosure of Invention

The purpose of the invention is: aims to provide a chalk box convenient to take and solve the problems that chalk taking is inconvenient and chalk ends and chalk dust pollute the environment due to the structural defects of the existing chalk box.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a chalk box convenient to take, includes the base, the high slope form in low back before the base upper end is personally submitted, the cavity has been seted up to base one side, slide card is equipped with the collection box in the cavity, the base up end is seted up flutedly, the recess internal fixation is equipped with a plurality of support bars, support bar up end and base up end coincidence, one of them part support bar lower extreme integrated into one piece has the U form to collude the body, slidable mounting has the closing cap on the base, movable mounting has the apron on the closing cap.

Further inject, the equal fixed mounting in relative both sides of closing cap has the fixed block, first through-hole has been seted up on the fixed block, fixed mounting has first dog and second dog on the base, the fixed block is located between first dog and the second dog, install the dead lever between first dog and the second dog, the dead lever is worn to establish in first through-hole. Such structural design through the mutual cooperation of dead lever, fixed block, first dog and second dog, realizes the sliding connection between closing cap and the base to inject the ascending extreme position and the descending extreme position of closing cap through first dog and second dog, simple structure, convenient to use.

Further inject, the fixed block has the fender ring in first through-hole upper portion integrated into one piece, still wear to be equipped with compression spring in the first through-hole, compression spring cover is established on the dead lever, compression spring is located and keeps off between ring and the second stopper. The sealing cover is supported by the compression spring, so that the sealing cover is in an upward limit position under the condition of no external force; meanwhile, the restoring force of the compression spring enables the sealing cover to automatically restore to the upward limit position after moving to the downward limit position under the action of the external force and when the external force disappears.

Further inject, second dog and base integrated into one piece, the blind hole has all been seted up on first dog and the second dog, the dead lever is worn to establish in the blind hole, first dog can be dismantled with the base and be connected. Such structural design, when the installation, can wear to establish the dead lever in the blind hole of second dog earlier, then wear to establish compression spring, fixed block and first dog of fixed mounting on the closing cap on the dead lever in proper order again, use the bolt at last first dog fixed mounting on the base can, simple to operate.

Further limiting, a notch is formed in the outer side of the collecting box, and a bearing plate is hinged in the notch. By the structural design, the chalk ends are received through the receiving plate, when the chalk end receiving box is used, the collecting box does not need to be pulled out, the receiving plate is directly turned over to be out, and the chalk end receiving box is more convenient to use.

Further limit, the collecting box is obliquely provided with a barrier strip below the notch. The structure design limits the outward folding angle of the bearing plate through the blocking strip and supports the bearing plate, so that the collecting box can be kept at a certain position after being folded outwards.

Further limiting, the front end and the rear end of the bearing plate are respectively provided with an arc-shaped baffle plate in the gap. Due to the structural design, when chalk ends are placed into the collecting box through the bearing plate, the chalk ends can be prevented from rolling off from the front end and the rear end of the bearing plate.

Further inject, accept board outer wall upper portion and transversely be equipped with the sand grip, the both ends of sand grip are inlayed outside accepting the board and are had magnet, the outer wall of collecting the box is inlayed and is had the iron plate. Due to the structural design, when the bearing plate is overturned, the convex strips can be grasped by hands to overturn the bearing plate, so that the use is convenient; magnet and iron plate's mutual matching can fix the board of accepting on collecting the box firmly, avoids accepting the unexpected upset of board.

Further inject, the base is in keeping away from cavity one side fixed mounting and is inserted a section of thick bamboo in a plurality of C shapes, the height dimension that a section of thick bamboo was inserted to the C shape increases from the front to the back in proper order, a section of thick bamboo bottom inner wall integrated into one piece is inserted to the C shape has the C shape bulge loop, the base is inserted a section of thick bamboo in the C shape and is corresponded one side and seted up logical groove, wear to be equipped with the socket box in leading to the inslot, socket box and collection box integrated into one piece, the socket box is located the C shape and inserts a section of. Due to the structural design, when the length of the used chalk does not reach the discarding standard, the chalk can be inserted into the C-shaped inserting barrel, the C-shaped convex ring is used for supporting the chalk, and the receiving box is used for receiving dust falling from the chalk in the C-shaped inserting barrel.

Further defined, the C-shaped convex ring is gradually inclined downwards from outside to inside. Due to the structural design, the quantity of dust staying on the C-shaped convex ring can be reduced, and most of dust can naturally slide into the bearing box after falling onto the C-shaped convex ring.

The invention adopting the technical scheme has the advantages that:

1. through the mutual matching of the base, the supporting strip, the U-shaped hook body and the sealing cover, one piece of chalk can reach the U-shaped hook body from the inside of the sealing cover by pushing the sealing cover, and a user can take down the chalk from the supporting strip without the U-shaped hook body without contacting with the rest chalk, so that the chalk is convenient to take and use;

2. the chalk in the sealing cover and the U-shaped hook bodies can directly fall into the collecting box from the gaps between the supporting bars and the gaps between the U-shaped hook bodies, so that the chalk dust is prevented from polluting the environment;

3. the chalk ends are collected through the collection box, and the problem of environmental pollution caused by scattering of the chalk ends is avoided.

Drawings

The invention is further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a first schematic structural view of a convenient-to-use chalk box according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a base portion of an embodiment of a convenient-to-use chalk holder of the present invention;

FIG. 3 is a schematic sectional view of a chalk box of an embodiment of the present invention;

FIG. 4 is a schematic sectional view of a chalk box of an embodiment of the present invention;

FIG. 5 is a schematic structural view of a chalk box of the present invention;

FIG. 6 is a schematic view showing a portion of a collection case in an embodiment of the convenient-to-use chalk case of the present invention;

FIG. 7 is a schematic structural view of a chalk holder of an embodiment of the present invention;

the main element symbols are as follows:

a base 1, chalk 10, a cavity 11, a supporting strip 12, a U-shaped hook body 13,

The collecting box 2, the bearing plate 21, the arc-shaped baffle 210, the convex strip 211, the barrier strip 22,

The sealing cover 3, the cover plate 30, the fixing block 31, the baffle ring 310,

A first stopper 41, a second stopper 42, a fixing rod 43, a compression spring 44,

A C-shaped insert cylinder 5, a C-shaped convex ring 51 and a receiving box 52.

Detailed Description

The present invention will be described in detail with reference to the drawings and specific embodiments, wherein like reference numerals are used for similar or identical parts in the drawings or the description, and implementations not shown or described in the drawings are known to those of ordinary skill in the art. In addition, directional terms, such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", and the like, used in the embodiments are only directions referring to the drawings, and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 7, the chalk box convenient to take and use comprises a base 1, wherein the upper end surface of the base 1 is in an inclined shape with a lower front part and a higher rear part, a cavity 11 is formed in one side of the base 1, a collecting box 2 is slidably clamped in the cavity 11, a groove is formed in the upper end surface of the base 1, a plurality of supporting strips 12 are fixedly arranged in the groove, the upper end surfaces of the supporting strips 12 are overlapped with the upper end surface of the base 1, a U-shaped hook body 13 is integrally formed at the lower end of one part of the supporting strips 12, a sealing cover 3 is slidably mounted on the base 1, and a cover plate 30 is movably mounted on the.

The equal fixed mounting in relative both sides of closing cap 3 has fixed block 31, has seted up first through-hole on the fixed block 31, and fixed mounting has first dog 41 and second dog 42 on the base 1, and fixed block 31 is located between first dog 41 and the second dog 42, installs dead lever 43 between first dog 41 and the second dog 42, and dead lever 43 wears to establish in first through-hole. Through mutual cooperation of the fixing rod 43, the fixing block 31, the first stop block 41 and the second stop block 42, sliding connection between the sealing cover 3 and the base 1 is achieved, an upper limit position and a lower limit position of the sealing cover 3 are limited through the first stop block 41 and the second stop block 42, the structure is simple, and use is convenient.

The fixed block 31 is integrally formed with a stop ring 310 at the upper portion of the first through hole, a compression spring 44 is further inserted into the first through hole, the compression spring 44 is sleeved on the fixed rod 43, and the compression spring 44 is located between the stop ring 310 and the second stop 42. The cover 3 is supported by the compression spring 44, so that the cover 3 is in an upward limit position under the condition of no external force; meanwhile, the restoring force of the compression spring 44 enables the closing cap 3 to automatically restore to the upward limit position when the external force disappears after moving to the downward limit position under the external force.

Second dog 42 and base 1 integrated into one piece have all seted up the blind hole on first dog 41 and the second dog 42, and the dead lever 43 is worn to establish in the blind hole, and first dog 41 can be dismantled with base 1 and be connected. When the installation, can wear to establish dead lever 43 in the blind hole of second dog 42 earlier, then wear to establish compression spring 43, fixed block 31 and first dog 41 of fixed mounting on closing cap 3 on dead lever 43 in proper order again, use the bolt at last first dog 41 fixed mounting on base 1 can, simple to operate.

The outer side of the collecting box 2 is provided with a gap, and a bearing plate 21 is hinged in the gap. The chalk ends are received through the receiving plate 21, when the chalk end receiving device is used, the collecting box 2 does not need to be pulled out, the receiving plate 21 is directly turned over to be out, and the chalk end receiving device is more convenient to use.

The collecting box 2 is provided with a barrier strip 22 obliquely below the gap. The outward folding angle of the receiving plate 21 is limited by the barrier strip 22, and the receiving plate 21 is supported, so that the collecting box 2 can be kept in a certain position after being folded outward.

The front and rear ends of the bearing plate 21 are respectively provided with an arc-shaped baffle 210 in the gap. The chalk ends can be prevented from rolling off from the front and rear ends of the receiving plate 21 when the chalk ends are placed in the collecting box 2 through the receiving plate 21.

Convex strips 211 are transversely arranged on the upper portion of the outer wall of the bearing plate 21, magnets are embedded at two ends of each convex strip 211 outside the bearing plate 21, and iron blocks are embedded on the outer wall of the collecting box 2. When the bearing plate 21 is turned over, the convex strips 211 can be grasped by hands to turn over the bearing plate 21, so that the use is convenient; the magnet and the iron block are matched with each other, so that the bearing plate 21 can be firmly fixed on the collecting box 2, and the bearing plate 21 is prevented from being turned over accidentally.

Base 1 has a plurality of C shapes to insert a section of thick bamboo 5 in keeping away from cavity one side fixed mounting, and the height dimension that a section of thick bamboo 5 was inserted to the C shape increases from the front to the back in proper order, and 5 bottom inner wall integrated into one piece of a section of thick bamboo have a C shape bulge loop 51 is inserted to the C shape, and base 1 has seted up logical groove in a C shape inserts a section of thick bamboo 5 and corresponds one side, and logical inslot is worn to be equipped with and is held box 52, holds box 52 and collects 2 integrated into one piece of box, holds box 52 and is located the. When the length of the used chalk does not reach the discarding standard, the chalk can be inserted into the C-shaped inserting barrel 5, the C-shaped convex ring 51 is used for supporting the chalk, and the receiving box 52 is used for receiving dust falling from the chalk in the C-shaped inserting barrel 5.

The C-shaped male ring 51 is gradually inclined downward from the outside to the inside. The amount of dust staying on the C-shaped convex ring 51 can be reduced, so that most of the dust can naturally slide into the receiving box 52 after falling onto the C-shaped convex ring 51.

In this embodiment, before use, the cover plate 30 is opened, and the chalk 10 is added into the cover 3;

when the chalk box is used, the sealing cover 3 is pushed obliquely downwards, the preset pressure of the compression spring 44 is overcome, the collecting box 2 moves forwards and downwards, so that the chalks 10 in the sealing cover 3 are driven to roll downwards along the supporting strips 12 until the sealing cover 3 moves to a downward limit position (shown in fig. 5), one piece of chalk 10 enters the U-shaped hook body 13 under the action of gravity, and at the moment, the chalks 10 in the U-shaped hook body 13 form a barrier to the rest of the chalks 10 in the sealing cover 3, so that the rest of the chalks 10 are prevented from rolling downwards continuously;

then, the pushing of the cover 3 is released, and the cover 3 moves backward along the upper end surface of the base 1 under the action of the compression spring 44 to return to the original position (as shown in fig. 1), at which time, the user can remove the chalk 10 from the supporting bar 12 without the U-shaped hook 13.

The chalk box convenient to take and use provided by the invention is described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a chalk box convenient to take which characterized in that: including base (1), the high slope form in low back before base (1) up end is personally submitted, cavity (11) have been seted up to base (1) one side, slide the card in cavity (11) and be equipped with collection box (2), base (1) up end is seted up flutedly, the recess internal fixation is equipped with a plurality of support bars (12), support bar (12) up end and base (1) up end coincidence, one of them part support bar (12) lower extreme integrated into one piece has the U form to collude body (13), slidable mounting has closing cap (3) on base (1), movable mounting has apron (30) on closing cap (3).

2. The chalk holder convenient for taking and using as described in claim 1, wherein: the equal fixed mounting in relative both sides of closing cap (3) has fixed block (31), first through-hole has been seted up on fixed block (31), fixed mounting has first dog (41) and second dog (42) on base (1), fixed block (31) are located between first dog (41) and second dog (42), install dead lever (43) between first dog (41) and second dog (42), wear to establish in first through-hole in dead lever (43).

3. The chalk holder convenient for taking and using as described in claim 2, wherein: fixed block (31) have in first through-hole upper portion integrated into one piece and keep off ring (310), still wear to be equipped with compression spring (44) in the first through-hole, compression spring (44) cover is established on dead lever (43), compression spring (44) are located and are kept off between ring (310) and second dog (42).

4. The chalk holder convenient for taking and using as described in claim 3, wherein: the second stop block (42) and the base (1) are integrally formed, blind holes are formed in the first stop block (41) and the second stop block (42), the fixing rod (43) penetrates through the blind holes, and the first stop block (41) is detachably connected with the base (1).

5. The chalk holder convenient for taking and using as described in claim 1, wherein: a notch is formed in the outer side of the collecting box (2), and a bearing plate (21) is hinged in the notch.

6. The chalk holder convenient for taking and using as described in claim 5, wherein: the collecting box (2) is obliquely provided with a barrier strip (22) below the notch.

7. The chalk holder convenient for taking and using as described in claim 5, wherein: the front end and the rear end of the bearing plate (21) are respectively provided with an arc-shaped baffle plate (210) in the gap.

8. The chalk holder convenient for taking and using as described in claim 5, wherein: accept board (21) outer wall upper portion and transversely be equipped with sand grip (211), the both ends of sand grip (211) are inlayed outside accepting board (21) and are had magnet, the outer wall of collecting box (2) is inlayed and is had the iron plate.

9. The chalk holder convenient for taking and using as described in claim 1, wherein: base (1) is in keeping away from cavity one side fixed mounting and is inserted a section of thick bamboo (5) a plurality of C shapes, the height dimension that a section of thick bamboo (5) was inserted to the C shape increases from the front to back in proper order, a section of thick bamboo (5) bottom inner wall integrated into one piece has C shape bulge loop (51) is inserted to the C shape, base (1) is inserted a section of thick bamboo (5) in the C shape and is corresponded one side and has been seted up logical groove, logical inslot is worn to be equipped with and is held box (52), hold box (52) and collection box (2) integrated into one piece, it is located C shape and inserts a section of thick bamboo (5) below to hold box (.

10. The chalk holder convenient for taking and using as described in claim 9, wherein: the C-shaped convex ring (51) is gradually inclined downwards from outside to inside.