CN203897560U

CN203897560U - Chalk box

Info

Publication number: CN203897560U
Application number: CN201420331057.5U
Authority: CN
Inventors: 邹金鑫
Original assignee: Jiaxing Vocational and Technical College
Current assignee: Jiaxing Vocational and Technical College
Priority date: 2014-06-19
Filing date: 2014-06-19
Publication date: 2014-10-29
Anticipated expiration: 2024-06-19

Abstract

The utility model provides a chalk box. The chalk box comprises a box body, wherein a separating plate is arranged in the box body to separate the box body into a left box body and a right box body; an outlet is formed in the front plate of the left box body; a V-shaped inner cavity with a V-shaped longitudinal section is arranged in the left box body; the lower end of the V-shaped inner cavity is provided with an opening; the horizontal length of the opening is same as the length of a chalk; a push plate is arranged right below the opening; a cylindrical cavity is arranged in the right box body; a disk is arranged at the middle position in the cylindrical cavity; a chalk ejecting device is arranged and comprises a support pillar, a connecting pipe and an outer pipe. The chalk box provided by the utility model has the beneficial effects that the chalk ejecting device is arranged to ensure that colored chalks are more conveniently taken and when various colored chalks are needed, more cavities can be separated through a plurality of long strip plates; both the V-shaped inner cavity and the cylindrical cavity are at a certain distance from the lower side in the box body, so that the chalks are prevented from being moist; white chalks can be conveniently taken out, so that the class efficiency is increased.

Description

A kind of chalk holder

Technical field

The utility model belongs to realia technical field of structures, especially relates to a kind of chalk holder.

Background technology

Chalk holder is the teaching aid of often using in when teaching, but chalk holder in existing technology exists following shortcoming: often due to classroom environment, chalk is easily moist, cannot use; While taking chalk, getting together of the chalk compactness in chalk holder, is difficult to take out.

Summary of the invention

The purpose of this utility model is to provide and a kind ofly simple in structurely, easy to operate, convenient takes out versicolor chalk, be difficult for making chalk humidity and can the versicolor chalk holder of choice for use.

The technical solution of the utility model is: a kind of chalk holder, comprise box body, in described box body, be provided with dividing plate, box body is divided into left box body and right box body, in described left box body, hold white chalk, right box body holds pastel, the front panel of described left box body is provided with outlet, in described left box body, be provided with the V-shaped V-type inner chamber in longitudinal section, and the lower ending opening of V-type inner chamber, the horizontal length of this opening is identical with the length of chalk, under described opening, be provided with push pedal, one end of described push pedal passes the outlet of left box body front panel, push pedal near this end is provided with downward groove, this groove can hold next chalk, the push pedal other end passes the opening of left box body rear board, and be connected with the first in command, described push pedal can be slided in left box body, in described right box body, be provided with cylindrical cavity, in described cylindrical cavity, centre position is provided with disk, this disk is provided with several circular holes identical with chalk diameter, in the right box body of cylindrical cavity downside, be provided with and eject chalk device, in described cylindrical cavity, be provided with multiple strip plates, the centre of described each strip plate is hinged together, the described chalk device that ejects comprises pillar, tube connector and outer tube, the lower end of the rear surface of described right box body is provided with breach, the upper end of described pillar is located under cylindrical cavity, pillar intermediate ends is vertically inserted in the through hole of tube connector one end, pillar lower end is vertically connected with worm screw, worm and wheel is used in combination, the center of worm gear is connected with movable axis, the described movable axis other end passes breach, and be located at one end place of breach, and be connected with the second in command, the other end of described tube connector is provided with several adjustment holes, and this end is embedded in one end of outer tube, can be movable within the outer tube, on outer tube, be provided with several spacing holes corresponding with adjustment hole, bolt through spacing hole and with it corresponding adjustment hole fix tube connector and outer tube, the other end of described outer tube passes the breach of right box body, and be connected with the 3rd handle.

Further, four of described box body lower surface corners are provided with sucker.

Further, the volume of described left box body is 2 times of right box body volume.

Further, the material of described dividing plate is plastics making sheet.

Further, the thickness of described push pedal is all less than the width of left box body front panel outlet, the width of rear board opening, and the opening of the outlet of front panel, rear board is in same level.

Further, described disk outside is along the circumferential direction provided with recessed circular groove, is along the circumferential direction provided with the protruding circular groove matching with recessed circular groove in cylindrical cavity centre position.

Further, in described cylindrical cavity, be provided with 2 strip plates, cylindrical cavity is divided into 4 parts.

Advantage and the good effect that the utlity model has are: owing to adopting technique scheme, arrange and eject chalk device, take pastel convenient, in the time of needs multiple color chalk, can be realized and point be got more chamber by multiple strip plates; V-type inner chamber and cylindrical cavity all with box body in downside have distance, prevented chalk humidity; Can take out easily white chalk, improve the efficiency of attending class.

Brief description of the drawings

Fig. 1 is overall structure schematic diagram of the present utility model.

Fig. 2 is the side view of left box body of the present utility model.

Fig. 3 is strip plate top view of the present utility model.

Fig. 4 is the structural representation that right box body of the present utility model is seen from back to front.

Fig. 5 is disk top view of the present utility model.

Fig. 6 is pillar of the present utility model, worm gear and worm screw junction structural representation.

In figure:

1, dividing plate 2, left box body 3, right box body

4, outlet 5, V-type inner chamber 6, push pedal

7, groove 8, the first in command 9, cylindrical cavity

10, disk 11, circular hole 12, pillar

13, tube connector 14, outer tube 15, breach

16, worm screw 17, worm gear 18, spacing hole

19, the 3rd handle 20, sucker 21, strip plate

Detailed description of the invention

As shown in Fig. 1-6,

The technical solution of the utility model is: a kind of chalk holder, comprise box body, in described box body, be provided with dividing plate 1, box body is divided into left box body 2 and right box body 3, in described left box body 2, hold white chalk, right box body 3 holds pastel, the front panel of described left box body 2 is provided with outlet 4, in described left box body 2, be provided with the V-shaped V-type inner chamber 5 in longitudinal section, and the lower ending opening of V-type inner chamber 5, the horizontal length of this opening is identical with the length of chalk, under described opening, be provided with push pedal 6, one end of described push pedal 6 passes the outlet 4 of left box body 2 front panels, push pedal 6 near this end is provided with downward groove 7, this groove 7 can hold next chalk, push pedal 6 other ends pass the opening of left box body 2 rear boards, and be connected with the first in command 8, described push pedal 6 can be in the interior slip of left box body 2, in described right box body 3, be provided with cylindrical cavity 9, the interior centre position of described cylindrical cavity 9 is provided with disk 10, this disk 10 is provided with the circular hole 11 that several are identical with chalk diameter, in the right box body 3 of cylindrical cavity 9 downsides, be provided with and eject chalk device, in described cylindrical cavity 9, be provided with 2 strip plates 21, cylindrical cavity 9 is divided into 4 parts, the centre of described each strip plate 21 is hinged together, the described chalk device that ejects comprises pillar 12, tube connector 13 and outer tube 14, the lower end of the rear surface of described right box body 3 is provided with breach 15, the upper end of described pillar 12 is located under cylindrical cavity 9, pillar 12 intermediate ends are vertically inserted in the through hole of tube connector 13 one end, pillar 12 lower ends are vertically connected with worm screw 16, worm screw 16 is used in combination with worm gear 17, worm gear 17 center is connected with movable axis, the described movable axis other end passes breach 15, and be located at one end place of breach 15, and be connected with the second in command, the other end of described tube connector 14 is provided with several adjustment holes 18, and this end is embedded in one end of outer tube 14, can be in the interior activity of outer tube 14, on outer tube 14, be provided with several spacing holes corresponding with adjustment hole 18, bolt through spacing hole 18 and with it corresponding adjustment hole fix tube connector 13 and outer tube 14, the other end of described outer tube 14 passes the breach 15 of right box body 3, and be connected with the 3rd handle 19.

In the present embodiment, four corners of described box body lower surface are provided with sucker 2, the volume of described left box body 2 is 2 times of right box body 3 volumes, the material of described dividing plate 1 is plastics making sheet, the thickness of described push pedal 6 is all less than the width of left box body 2 front panel outlets, the width of rear board opening, and the outlet of front panel, the opening of rear board are in same level, described disk 10 outsides are along the circumferential direction provided with recessed circular groove, are along the circumferential direction provided with the protruding circular groove matching with recessed circular groove in cylindrical cavity 9 centre positions.

The course of work of this example: before putting into chalk, first white chalk is laterally put into the V-type inner chamber 5 of left box body 2, every kind of pastel is evenly vertically put on the disk 10 of right box body 3, each crayon is put into 11 li of circular holes; In the time of needs white chalk, only need the hand steered first in command 8, release push pedal 6, and then white chalk takes out; In the time of needs pastel, hand steered the 3rd handle 19, is adjusted to suitable position, then rotates the second in command, pillar 12 is ejected to the color chalk needing.

Above an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variation and improvement etc. of doing according to the utility model application range, within all should still belonging to patent covering scope of the present utility model.

Claims

1. a chalk holder, comprise box body, it is characterized in that: in described box body, be provided with dividing plate, box body is divided into left box body and right box body, in described left box body, hold white chalk, right box body holds pastel, the front panel of described left box body is provided with outlet, in described left box body, be provided with the V-shaped V-type inner chamber in longitudinal section, and the lower ending opening of V-type inner chamber, the horizontal length of this opening is identical with the length of chalk, under described opening, be provided with push pedal, one end of described push pedal passes the outlet of left box body front panel, push pedal near this end is provided with downward groove, this groove can hold next chalk, the push pedal other end passes the opening of left box body rear board, and be connected with the first in command, described push pedal can be slided in left box body, in described right box body, be provided with cylindrical cavity, in described cylindrical cavity, centre position is provided with disk, this disk is provided with several circular holes identical with chalk diameter, in the right box body of cylindrical cavity downside, be provided with and eject chalk device, in described cylindrical cavity, be provided with multiple strip plates, the centre of described each strip plate is hinged together, the described chalk device that ejects comprises pillar, tube connector and outer tube, the lower end of the rear surface of described right box body is provided with breach, the upper end of described pillar is located under cylindrical cavity, pillar intermediate ends is vertically inserted in the through hole of tube connector one end, pillar lower end is vertically connected with worm screw, worm and wheel is used in combination, the center of worm gear is connected with movable axis, the described movable axis other end passes breach, and be located at one end place of breach, and be connected with the second in command, the other end of described tube connector is provided with several adjustment holes, and this end is embedded in one end of outer tube, can be movable within the outer tube, on outer tube, be provided with several spacing holes corresponding with adjustment hole, bolt through spacing hole and with it corresponding adjustment hole fix tube connector and outer tube, the other end of described outer tube passes the breach of right box body, and be connected with the 3rd handle.

2. a kind of chalk holder according to claim 1, is characterized in that: four corners of described box body lower surface are provided with sucker.

3. a kind of chalk holder according to claim 2, is characterized in that: the volume of described left box body is 2 times of right box body volume.

4. a kind of chalk holder according to claim 3, is characterized in that: the material of described dividing plate is plastics making sheet.

5. a kind of chalk holder according to claim 1, is characterized in that: the thickness of described push pedal is all less than the width of left box body front panel outlet, the width of rear board opening, and the opening of the outlet of front panel, rear board is in same level.

6. a kind of chalk holder according to claim 5, is characterized in that: described disk outside is along the circumferential direction provided with recessed circular groove, is along the circumferential direction provided with the protruding circular groove matching with recessed circular groove in cylindrical cavity centre position.

7. a kind of chalk holder according to claim 6, is characterized in that: in described cylindrical cavity, be provided with 2 strip plates, cylindrical cavity is divided into 4 parts.