CN218171868U

CN218171868U - Chalk box

Info

Publication number: CN218171868U
Application number: CN202222755945.7U
Authority: CN
Inventors: 邹海东; 刘棠; 刘明兰; 王茂坤; 刘军
Original assignee: Jiangsu Xunrui Technology Co ltd
Current assignee: Jiangsu Xunrui Technology Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2022-12-30
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses a chalk box, include chalk box body, lid, support piece, grinding mechanism, place board and baffle, the lid pass through the hinge with the chalk box body is articulated, support piece is fixed in chalk box body bottom four corners, grinding mechanism set up in chalk box body one side, place the board with the lid top is fixed, the baffle is fixed in this is internal to the chalk box, the auxiliary assembly, set up in the chalk box is originally internal, including water conservancy diversion piece, ejecting piece, driving piece and reset piece, the water conservancy diversion piece is fixed in the chalk box is originally internal, ejecting piece is located the chalk box is originally internal, set up in ejecting piece one side, reset piece is located on the driving piece. The utility model discloses beneficial effect does: accomodate the chalk through the chalk box subassembly and deposit to can separate the chalk of different colours through auxiliary assembly and deposit, it is convenient for take the chalk.

Description

Chalk box

Technical Field

The utility model relates to a chalk box technical field, especially a chalk box.

Background

The chalk is the instrument that widely uses among the daily life, generally is used for writing on the blackboard, is the essential instrument of teaching in-process, and the chalk is equipped with multiple colour usually to the content of blackboard writing is more lively, and chinese patent application number is 202123306706.5's a novel chalk box, its beneficial effect is: the utility model discloses a novel chalk box, a structure is simple, high durability and convenient use, insert chalk one end from the inserted hole and push down the drive shaft, under the effect of spacer pin and thread groove, the drive axle sleeve produces and rotates and at drive gear, driven gear's transmission drives the abrasive wheel and rotates, grind the chalk tip, grind off the calcium carbonate on its top layer, thereby conveniently write, effectively avoided the teacher to break the chalk off with the fingers and thumb and cause the waste, but the device is when using, the chalk of different colours all piles up in a chalk box and places, this just leads to when the chalk of other colours is used to needs, need spend a large amount of time to go to turn over and look for, and pile up the chalk in the bottom and be not convenient for take it, it is comparatively inconvenient to use.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract and the title of the present application to avoid obscuring the purpose of this section, the abstract and the title of the present application, and such simplifications or omissions cannot be used to limit the scope of the present invention.

The present invention has been made in view of the above and/or other problems occurring in the conventional chalk case.

Therefore, the utility model discloses the problem that will solve lies in that the chalk of different colours all piles up in a chalk box and place, and this just leads to when the chalk of other colours is used to needs, need spend a large amount of times to go to turn over and look for, and piles up the chalk in the bottom and be not convenient for take it, use comparatively inconvenient.

In order to solve the technical problem, the utility model provides a following technical scheme: a chalk box comprises a chalk box assembly, wherein the chalk box assembly comprises a chalk box body, a box cover, a supporting piece, a grinding mechanism, a placing plate and a partition plate, the box cover is hinged with the chalk box body through a hinge, the supporting piece is fixed to four corners of the bottom of the chalk box body, the grinding mechanism is arranged on one side of the chalk box body, the placing plate is fixed to the top of the box cover, and the partition plate is fixed in the chalk box body; and

the auxiliary assembly, set up in this is internal to the chalk box, including water conservancy diversion spare, ejecting piece, driving piece and the piece that resets, the water conservancy diversion spare is fixed in this is internal to the chalk box, ejecting piece is located this is internal to the chalk box, set up in ejecting one side, the piece that resets is located on the driving piece.

As a preferred aspect of the chalk box of the present invention, wherein: the supporting piece comprises supporting legs and suckers, the supporting legs are fixed at four corners of the bottom of the chalk box body, and the suckers are fixed to the bottom ends of the supporting legs.

As a preferred scheme of the chalk box of the utility model, wherein: the flow guide piece comprises a first flow guide plate and a second flow guide plate, the first flow guide plate is fixed with the inner wall of the chalk box body and the partition plate respectively, and the second flow guide plate is fixed with the inner wall of the chalk box body and the partition plate respectively.

As a preferred aspect of the chalk box of the present invention, wherein: the flow guide piece further comprises a baffle plate, and the baffle plate is fixed with the inner bottom wall of the chalk box body.

As a preferred aspect of the chalk box of the present invention, wherein: the ejecting piece comprises an ejecting block and a connecting rod, the ejecting block is located in the chalk box body, and the connecting rod is fixed on one side of the ejecting block.

As a preferred aspect of the chalk box of the present invention, wherein: the ejecting piece further comprises a limiting block, the limiting block is fixed on one side of the connecting rod, a limiting groove is formed in the partition plate, and the limiting block slides in the limiting groove.

As a preferred scheme of the chalk box of the utility model, wherein: the driving piece comprises a positioning shaft and a gear, the positioning shaft is fixed to the inner bottom wall of the chalk box body, the gear is rotatably connected to the top end of the positioning shaft, a tooth groove is formed in the connecting rod, and the gear is meshed with the tooth groove.

As a preferred scheme of the chalk box of the utility model, wherein: the driving piece further comprises a movable block, teeth and a connecting column, the movable block is located inside the chalk box body, the teeth are fixed on one side of the movable block, one end of the connecting column is fixed with the movable block, and the teeth are meshed with the gear.

As a preferred scheme of the chalk box of the utility model, wherein: the driving piece further comprises a sliding block, the sliding block is fixed to the bottom of the movable block, a sliding groove is formed in the chalk box body, and the sliding block slides in the sliding groove.

As a preferred aspect of the chalk box of the present invention, wherein: the reset piece comprises a fixing plate and a spring, the fixing plate is fixed on the outer side of the connecting column, and two ends of the spring are fixed to the fixing plate and the inner wall of the chalk box body respectively.

The utility model discloses beneficial effect does: accomodate the chalk through the chalk box subassembly and deposit to can separate the chalk of different colours through auxiliary assembly and deposit, it is convenient for take the chalk.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:

fig. 1 is an overall configuration diagram of a chalk case.

Fig. 2 is a sectional view of the main body of the chalk case.

Fig. 3 is another perspective sectional view of the main body of the chalk box.

Fig. 4 is a partially enlarged structural view of the chalk case at a in fig. 3.

Fig. 5 is a partially enlarged structural view of the chalk case at B in fig. 3.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the present invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1~3, for the first embodiment of the present invention, this embodiment provides a chalk box, which includes a chalk box assembly 100, including chalk box body 101, box cover 102, support member 103, grinding mechanism 104, placing plate 105 and partition 106, the box cover 102 is hinged to the chalk box body 101 through a hinge, the support member 103 is fixed at four corners of the bottom of the chalk box body 101, the grinding mechanism 104 is disposed at one side of the chalk box body 101, the placing plate 105 is fixed at the top of the box cover 102, and the partition 106 is fixed in the chalk box body 101.

Support piece 103 is used for supporting chalk box body 101, make its can be stable place, grind the chalk head through grinding mechanism 104, make it be convenient for more write, because this technique is prior art, this scheme is not repeated, place the board 105 top and seted up a plurality of recesses, can place idle chalk, thereby be convenient for take it, setting through baffle 106, a storage space for inside chalk box body 101 is separated, thereby can classify the chalk of different colours and deposit.

The auxiliary assembly 200, set up in the chalk box body 101, including the water conservancy diversion piece 201, the liftout 202, the driving piece 203 and reset the piece 204, the water conservancy diversion piece 201 is fixed in the chalk box body 101, and the liftout 202 is located the chalk box body 101, sets up in liftout 202 one side, and the piece 204 that resets is located the driving piece 203.

When accomodating the chalk inside chalk box body 101, can make its slow downstream through water conservancy diversion piece 201, avoid the chalk of top to extrude the chalk of bottom simultaneously, thereby lead to the chalk of bottom to be difficult to take out, ejection piece 202 is used for outwards ejecting the chalk of bottom, driving piece 203 is used for driving ejection piece 202 and removes, through the setting that resets 204, be used for restoring to the throne driving piece 203 and ejection piece 202, thereby can outwards ejecting next chalk.

Example 2

Referring to 1~3, the present embodiment is based on the second embodiment of the present invention.

Specifically, the supporting member 103 includes a supporting leg 103a and a suction cup 103b, the supporting leg 103a is fixed to four corners of the bottom of the chalk box body 101, and the suction cup 103b is fixed to the bottom end of the supporting leg 103 a.

The supporting legs 103a are used for supporting the chalk box body 101, so that the chalk box body 101 can be stably placed, and the chalk box body 101 can be firmly adsorbed to a table top through the arrangement of the suckers 103b, so that the phenomenon that the chalk box body 101 drops can be avoided.

Specifically, the air guide member 201 includes a first air guide plate 201a and a second air guide plate 201b, the two first air guide plates 201a are respectively fixed to the inner wall of the chalk box body 101 and the partition 106, and the two second air guide plates 201b are respectively fixed to the inner wall of the chalk box body 101 and the partition 106.

The quantity of baffle 106 is three at least, divide into a plurality of storage spaces in the chalk box body 101, first guide plate 201a and second guide plate 201b are two and are a set of, and be provided with the multiunit, the equipartition is in a plurality of storage spaces, from last even fixed down in every storage space, first guide plate 201a and second guide plate 201b all are the slope form, and the two is high different, the space that the chalk can flow downwards is left to the position that first guide plate 201a and second guide plate 201b are close to, through putting the chalk on first guide plate 201a, and drop to second guide plate 201b top through first guide plate 201a, it is downward in proper order, make the slow downstream of chalk, avoid the chalk of top can extrude the chalk of bottom, thereby lead to the chalk of bottom to be difficult to the condition of taking out.

Specifically, the flow guide member 201 further includes a baffle 201c, and the baffle 201c is fixed to the inner bottom wall of the chalk box body 101.

The quantity of baffle 201c is two in the storage space, and two baffles 201c all are the L shape, and its top is the slope form, and the space that can hold a chalk at least is left to the distance between two baffles 201c, and borders on with second guide plate 201b, through baffle 201 c's setting, can fix a position the chalk of whereabouts, avoids a large amount of accumulations of the chalk of whereabouts in the inside below of chalk box body 101 to lead to being difficult to take the chalk.

Specifically, the ejector 202 includes an ejector block 202a and a connecting rod 202b, the ejector block 202a is located in the chalk box body 101, and the connecting rod 202b is fixed to one side of the ejector block 202 a.

The quantity of liftout 202 with corresponding to a storage space, a plurality of discharge openings have been seted up to chalk box body 101 one side below, the diameter of discharge opening can make a chalk pass through at least, the shape and the chalk of kicking block 202a are corresponding, and be located between two baffles 201c, setting through kicking block 202a, a chalk for promote the below removes, make the chalk remove to chalk box body 101 outside through the discharge opening, thereby can accomplish taking of chalk, connecting rod 202b is L shape, a carry block 202a is used for driving and removes.

Example 3

Referring to fig. 3~5, this embodiment is based on the first two embodiments for the third embodiment of the present invention.

Specifically, the ejecting member 202 further includes a limiting block 202c, the limiting block 202c is fixed to one side of the connecting rod 202b, a limiting groove Z is formed in the partition 106, and the limiting block 202c slides in the limiting groove Z.

The quantity of stopper 202c is two, puts and fixes respectively at connecting rod 202b one side both ends, and connecting rod 202b one side drives stopper 202c and slides in spacing groove Z when removing, can carry on spacingly to connecting rod 202b through the two cooperation, avoids its condition that the skew appears.

Specifically, the driving member 203 comprises a positioning shaft 203a and a gear 203b, the positioning shaft 203a is fixed to the inner bottom wall of the chalk box body 101, the gear 203b is rotatably connected to the top end of the positioning shaft 203a, a tooth space X is formed in the connecting rod 202b, and the gear 203b is meshed with the tooth space X.

The gear 203b is rotatably connected with the positioning shaft 203a through a bearing, and is used for driving the connecting rod 202b to move by matching with the tooth slot X through the arrangement of the gear 203b, so that the connecting rod 202b can drive the ejector block 202a to move.

Specifically, the driving member 203 further includes a movable block 203c, teeth 203d and a connecting column 203e, the movable block 203c is located in the chalk box body 101, the teeth 203d are fixed on one side of the movable block 203c, one end of the connecting column 203e is fixed with the movable block 203c, and the teeth 203d are meshed with the gear 203 b.

The movable block 203c is used for fixing the tooth 203d and driving the tooth to move, when the movable block 203c is moving and making, the cooperation through the tooth 203d can drive the gear 203b to rotate, thereby can make the gear 203b drive the connecting rod 202b to move, the spliced pole 203e one end runs through to the chalk box body 101 outside, and with chalk box body 101 inner wall swing joint, through the setting of spliced pole 203e, can the convenient to use person promote the movable block 203 c.

Specifically, the driving member 203 further includes a sliding block 203f, the sliding block 203f is fixed at the bottom of the movable block 203c, a sliding groove S is formed in the chalk box body 101, and the sliding block 203f slides in the sliding groove S.

The quantity of slider 203f is two, fixes respectively in movable block 203c bottom both sides, and movable block 203c bottom drives slider 203f and slides in spout S when removing, can carry out spacingly to movable block 203c through the cooperation of the two, avoids movable block 203c the condition of skew to appear when removing.

Specifically, the reset element 204 includes a fixing plate 204a and a spring 204b, the fixing plate 204a is fixed to the outer side of the connecting column 203e, and two ends of the spring 204b are respectively fixed to the fixing plate 204a and the inner wall of the chalk box body 101.

The fixing plate 204a is used for fixing the spring 204b, and is used for applying a pulling force to the fixing plate 204a through the arrangement of the spring 204b, and driving the connecting column 203e to move through the fixing plate 204a, so that the connecting column 203e can reset after moving, and a next piece of chalk can be pushed.

When the chalk box is used, when the chalk needs to be taken, the connecting rod 202b is only needed to be pressed to drive the movable block 203c to move, the gear 203b is driven to rotate through the matching of the teeth 203d, the connecting rod 202b is driven to move through the matching of the gear 203b and the tooth socket X, the connecting rod 202b can drive the ejector block 202a to move, the lowermost chalk is pushed to move through the ejector block 202a, the chalk is moved to the outside of the chalk box body 101 through the discharge hole, the taking of the chalk can be completed, a pulling force is applied to the fixing plate 204a through the spring 204b at the moment, the connecting rod 203e is driven to move through the fixing plate 204a, the connecting rod 203e is moved to the initial position, the gear 203b drives the gear 203b to rotate in the direction, the connecting rod 202b and the ejector block 202a are driven to move to the initial position through the fixing plate 204a, meanwhile, the chalk above chalk falls to the bottom of the chalk box body 101, and the next chalk can be pushed to be taken.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. A chalk box is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the chalk box assembly (100) comprises a chalk box body (101), a box cover (102), a supporting piece (103), a grinding mechanism (104), a placing plate (105) and a partition plate (106), wherein the box cover (102) is hinged with the chalk box body (101) through a hinge, the supporting piece (103) is fixed at four corners of the bottom of the chalk box body (101), the grinding mechanism (104) is arranged on one side of the chalk box body (101), the placing plate (105) is fixed with the top of the box cover (102), and the partition plate (106) is fixed in the chalk box body (101); and

the auxiliary assembly (200) is arranged in the chalk box body (101) and comprises a flow guide piece (201), an ejecting piece (202), a driving piece (203) and a resetting piece (204), wherein the flow guide piece (201) is fixed in the chalk box body (101), the ejecting piece (202) is located in the chalk box body (101), the ejecting piece (202) is arranged on one side of the ejecting piece (202), and the resetting piece (204) is located on the driving piece (203).

2. The chalk case according to claim 1, characterized in that: the supporting piece (103) comprises supporting legs (103 a) and suckers (103 b), the supporting legs (103 a) are fixed at four corners of the bottom of the chalk box body (101), and the suckers (103 b) are fixed to the bottom ends of the supporting legs (103 a).

3. The chalk case according to claim 2, characterized in that: the flow guide piece (201) comprises a first flow guide plate (201 a) and a second flow guide plate (201 b), the first flow guide plate (201 a) is fixed to the inner wall of the chalk box body (101) and the partition plate (106), and the second flow guide plate (201 b) is fixed to the inner wall of the chalk box body (101) and the partition plate (106).

4. The chalk holder according to claim 2 or 3, characterized in that: the flow guide piece (201) further comprises a baffle (201 c), and the baffle (201 c) is fixed with the inner bottom wall of the chalk box body (101).

5. The chalk case according to claim 4, characterized in that: the ejector (202) comprises an ejector block (202 a) and a connecting rod (202 b), the ejector block (202 a) is located in the chalk box body (101), and the connecting rod (202 b) is fixed to one side of the ejector block (202 a).

6. The chalk case according to claim 5, characterized in that: the ejecting piece (202) further comprises a limiting block (202 c), the limiting block (202 c) is fixed on one side of the connecting rod (202 b), a limiting groove (Z) is formed in the partition plate (106), and the limiting block (202 c) slides in the limiting groove (Z).

7. The chalk case according to claim 5 or 6, characterized in that: the driving piece (203) comprises a positioning shaft (203 a) and a gear (203 b), the positioning shaft (203 a) is fixed to the inner bottom wall of the chalk box body (101), the gear (203 b) is rotatably connected to the top end of the positioning shaft (203 a), a tooth groove (X) is formed in the connecting rod (202 b), and the gear (203 b) is meshed with the tooth groove (X).

8. The chalk case according to claim 7, characterized in that: driving piece (203) still includes movable block (203 c), tooth (203 d) and spliced pole (203 e), movable block (203 c) is located in chalk box body (101), tooth (203 d) are fixed in movable block (203 c) one side, spliced pole (203 e) one end with movable block (203 c) are fixed, tooth (203 d) with gear (203 b) meshing.

9. The chalk case according to claim 8, characterized in that: the driving piece (203) further comprises a sliding block (203 f), the sliding block (203 f) is fixed to the bottom of the movable block (203 c), a sliding groove (S) is formed in the chalk box body (101), and the sliding block (203 f) slides in the sliding groove (S).

10. The chalk case according to claim 8 or 9, characterized in that: the reset piece (204) comprises a fixing plate (204 a) and a spring (204 b), the fixing plate (204 a) is fixed on the outer side of the connecting column (203 e), and two ends of the spring (204 b) are fixed to the fixing plate (204 a) and the inner wall of the chalk box body (101) respectively.