CN211794775U

CN211794775U - Push type chalk box

Info

Publication number: CN211794775U
Application number: CN202020371651.2U
Authority: CN
Inventors: 蔡永森; 陈佳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-10-30
Anticipated expiration: 2030-03-23

Abstract

The utility model relates to a chalk box technical field just discloses a push type chalk box, the on-line screen storage device comprises a base, the equal fixedly connected with support column in four corners of lower surface of the base, the bottom fixedly connected with supporting legs of support column, the middle part fixedly connected with chalk box body of base upper surface, be provided with the chalk lid directly over the chalk box body, the back of chalk lid is articulated through the back of hinge with the chalk box body, the middle part fixedly connected with control handle of chalk lid upper surface. This push type chalk box uses through the cooperation between chalk box body, chalk take-up platform, supporting seat, connecting rod, connecting piece, pressing plate and the return spring, has realized taking out of the inside chalk of chalk box, has made things convenient for the user to the use of chalk box, presses the shape of pressing plate to the roll-off chalk box outside chalk protect, has reduced the chalk and has dropped to the probability that damage phenomenon appears to the chalk on the ground.

Description

Push type chalk box

Technical Field

The utility model relates to a chalk box technical field specifically is a push type chalk box.

Background

Chalks are indispensable tools for students to attend classes by teachers in schools, demonstration of the chalks on a blackboard is omitted, understanding of the students on knowledge is not so profound, most of chalks used in schools are basically the same in a box of the device, the teachers stretch hands into the box to take the chalks when using the chalks, and due to the fact that each chalks are placed vertically, fingers of the teachers can be dirtied by the chalks when taking the chalks, and if the chalks are careless when being taken, the chalks are easy to break, and waste is caused.

For example, chinese patent publication nos.: a chalk holder as provided in CN102008169A, which is basically described as: the chalk box enables the chalk to automatically slide out directly through the pressing groove, so that hands of a teacher cannot be stained, and the chalk cannot be disconnected. However, the chalk box is too simple in structure, and the chalk is easy to fall to the ground due to the fact that protection measures are not provided for the chalk, so that the chalk is damaged.

Therefore, the inventor provides a push type chalk box with research and improvement aiming at the existing structure and deficiency and with the experience of abundant design development and actual manufacturing in the related industry for years, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides a push type chalk box has solved the problem of.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a push type chalk box comprises a base, wherein support columns are fixedly connected to four corners of the lower surface of the base, support legs are fixedly connected to the bottom ends of the support columns, a chalk box body is fixedly connected to the middle of the upper surface of the base, a chalk box cover is arranged right above the chalk box body, the back of the chalk box cover is hinged to the back of the chalk box body through hinges, a control handle is fixedly connected to the middle of the upper surface of the chalk box cover, baffles are fixedly connected to the tops of the left side wall and the inner right side wall in the chalk box body, a chalk receiving table is fixedly connected to the middle of the front side wall and the middle of the inner rear side wall in the chalk box body, support seats are fixedly connected to the left side and the right side of the bottom side wall in the chalk box body, connecting rods are fixedly connected to the tops of the front side, the upper surface of the connecting piece is fixedly connected with a pressing plate, and the inner side of the upper surface of the pressing plate is fixedly connected with a return spring.

Preferably, the baffle is inclined inwardly, the angle of inclination of the baffle being between one hundred fifty-five degrees and one hundred sixty-five degrees.

Preferably, the middle part of the lower surface of the supporting foot is provided with an anti-skid gasket, and the thickness of the anti-skid gasket is twenty millimeters to thirty millimeters.

Preferably, the outer surface of the control handle is provided with a wrapping layer, the wrapping layer is made of rubber, and the outer surface of the wrapping layer is provided with anti-skid grains.

Preferably, chalk placing grooves are formed in the left side and the right side of the upper surface of the chalk box cover, and the width of each chalk placing groove is twice the width of one point of chalk.

(III) advantageous effects

Compared with the prior art, the utility model provides a push type chalk box possesses following beneficial effect:

this push type chalk box uses through the cooperation between chalk box body, chalk take-up platform, supporting seat, connecting rod, connecting piece, pressing plate and the return spring, has realized taking out of the inside chalk of chalk box, has made things convenient for the user to the use of chalk box, presses the shape of pressing plate to the roll-off chalk box outside chalk protect, has reduced the chalk and has dropped to the probability that damage phenomenon appears to the chalk on the ground.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is the schematic view of the internal structure of the chalk box of the present invention.

In the figure: 1. a base; 2. a support pillar; 3. supporting legs; 4. a chalk box body; 5. a chalk box cover; 6. a control handle; 7. a baffle plate; 8. a chalk receiving station; 9. a supporting seat; 10. a connecting rod; 11. a connecting member; 12. a pressing plate; 13. and a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a push type chalk box comprises a base 1, wherein four corners of the lower surface of the base 1 are fixedly connected with supporting columns 2, the bottom ends of the supporting columns 2 are fixedly connected with supporting legs 3, the middle part of the upper surface of the base 1 is fixedly connected with a chalk box body 4, a chalk box cover 5 is arranged right above the chalk box body 4, the back surface of the chalk box cover 5 is hinged with the back surface of the chalk box body 4 through a hinge, the middle part of the upper surface of the chalk box cover 5 is fixedly connected with a control handle 6, the tops of the left side wall and the inner right side wall in the chalk box body 4 are fixedly connected with a baffle 7, the middle parts of the front side wall and the inner rear side wall in the chalk box body 4 are fixedly connected with a chalk receiving platform 8, the left side and the right side of the inner bottom side wall in the chalk box body 4 are fixedly connected with, the upper surface fixedly connected with of connecting piece 11 presses the clamp plate 12, the shape of pressing the clamp plate 12 is protected roll-off chalk outside the chalk box, the probability that the chalk falls to damage the phenomenon and appear to the ground is reduced, the inboard fixedly connected with return spring 13 chalk box body 4 of clamp plate 12 upper surface, chalk accepting platform 8, supporting seat 9, connecting rod 10, connecting piece 11, cooperation between clamp plate 12 and the return spring 13 is used, the removal of the inside chalk of chalk box has been realized, the use of user to the chalk box has been made things convenient for.

The utility model discloses a make the chalk landing to chalk hold up on the platform 8, consequently baffle 7 is to inboard slope, and the inclination of baffle 7 is between one hundred fifty-five degrees to one hundred sixty-five degrees, and the chalk drops to the inside baffle 7 of chalk box on, by baffle 7 landing to chalk hold up on the platform 8 again.

The utility model discloses a guarantee the stability of chalk box, consequently be provided with anti-skidding gasket at the middle part of 3 lower surfaces of supporting legs, anti-skidding gasket's thickness is between twenty millimeters to thirty millimeters, and anti-skidding gasket has strengthened the frictional force between supporting legs 3 and the desktop, has guaranteed the stability of chalk box.

The utility model discloses for convenient to use person controls the switch of chalk lid 5, is provided with the parcel layer consequently at the surface of control handle 6, and the preparation material on parcel layer is rubber, and the surface on parcel layer is provided with anti-skidding line, and the parcel layer has strengthened the frictional force between finger and the control handle 6, has made things convenient for the user to control the switch of chalk lid 5.

The utility model discloses for the convenience is to the inside chalk that adds of chalk box, consequently has all seted up the chalk standing groove in the left and right sides of 5 upper surfaces of chalk box lid, and the width of chalk standing groove is a little two times of chalk width, and the user passes through the chalk standing groove to the inside chalk that adds of chalk box.

When using, put into the chalk box inside with the chalk standing groove of seting up on the chalk box lid 5, the chalk gets into the chalk box after through 7 landing of baffle to putting chalk and hold up the platform 8 on, when the user carries out the use, press the pressing plate 12 with the hand, the outside downstream of pressing plate 12 makes connecting piece 11 rotate along connecting rod 10, make to form a fluting that can make the chalk pass through between pressing plate 12 and the chalk box body 4, the inside chalk of chalk box passes through the fluting landing to the pressing plate 12 in the chalk box outside, when not using, loosen pressing plate 12, pressing plate 12 returns the normal position under return spring 13's effect and plugs up chalk box body 4.

In conclusion, according to the push type chalk box, the chalk in the chalk box can be taken out conveniently through the cooperation of the chalk box body 4, the chalk receiving table 8, the supporting seat 9, the connecting rod 10, the connecting piece 11, the pressing plate 12 and the return spring 13, the shape of the pressing plate 12 protects the chalk sliding out of the chalk box, and the probability that the chalk is damaged when the chalk falls to the ground is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a push type chalk box, includes base (1), its characterized in that: the chalk box is characterized in that supporting columns (2) are fixedly connected to four corners of the lower surface of the base (1), supporting legs (3) are fixedly connected to the bottom ends of the supporting columns (2), a chalk box body (4) is fixedly connected to the middle of the upper surface of the base (1), a chalk box cover (5) is arranged right above the chalk box body (4), the back of the chalk box cover (5) is hinged to the back of the chalk box body (4) through a hinge, a control handle (6) is fixedly connected to the middle of the upper surface of the chalk box cover (5), baffles (7) are fixedly connected to the tops of the inner left side wall and the inner right side wall of the chalk box body (4), a chalk receiving platform (8) is fixedly connected to the middle of the inner front side wall and the middle of the inner rear side wall of the chalk box body (4), supporting seats (9) are fixedly connected to the left side and the right side of the inner bottom side wall of the, the middle part of the outer surface of the connecting rod (10) is rotatably connected with a connecting piece (11), the upper surface of the connecting piece (11) is fixedly connected with a pressing plate (12), and the inner side of the upper surface of the pressing plate (12) is fixedly connected with a return spring (13).

2. The push type chalk box of claim 1, wherein: the baffle (7) inclines towards the inner side, and the inclination angle of the baffle (7) is between one hundred fifty-five degrees and one hundred sixty-five degrees.

3. The push type chalk box of claim 1, wherein: the middle part of the lower surface of the supporting leg (3) is provided with an anti-skid gasket, and the thickness of the anti-skid gasket is twenty millimeters to thirty millimeters.

4. The push type chalk box of claim 1, wherein: the outer surface of the control handle (6) is provided with a wrapping layer, the wrapping layer is made of rubber, and the outer surface of the wrapping layer is provided with anti-skid grains.

5. The push type chalk box of claim 1, wherein: the chalk box cover is characterized in that chalk containing grooves are formed in the left side and the right side of the upper surface of the chalk box cover (5), and the width of each chalk containing groove is twice the width of a chalk.