CN207532105U

CN207532105U - Desk for teaching

Info

Publication number: CN207532105U
Application number: CN201720607956.7U
Authority: CN
Inventors: 温忠恕
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-05-27
Filing date: 2017-05-27
Publication date: 2018-06-26
Anticipated expiration: 2027-05-27

Abstract

A kind of desk for teaching,Including desk body,The upper end table top of desk body is equipped with block,Dust brush and groove,The block is located at the side of table top,The inside of block is equipped with slide block slot,The dust brush includes connecting shaft,23 section brush dirt blocks are nested in connecting shaft,One end of connecting shaft is equipped with sliding block,Sliding block is in slide block slot,The side of desk body is equipped with a hinged supporting plate,A number plate mixing arrangement is fixed on supporting plate,Number plate mixing arrangement includes number plate storehouse,The both ends in number plate storehouse are equipped with the shaft of coaxial line,One end that shaft is located at outside support plate is equipped with rocking arm,The rectangle number plate with student name is equipped in number plate storehouse,A number plate is offered on the outer housing in number plate storehouse and picks and places mouth,The utility model is vdiverse in function,Both the chalk dust that can have easily will fall off on lectern is removed,By way of randomly selecting number slip extraction enquirement can also be carried out to student at random,It is fair to ensure,Be conducive to improve school grade.

Description

Desk for teaching

Technical field：

The utility model is related to a kind of teaching equipment field, specifically a kind of desk for teaching.

Background technology：

Lectern is the teaching equipment that teacher uses in teaching, and traditional lectern is that teacher places books, stores setting for article It is standby；But it has a large amount of chalk dust when erasing the board to fall on lectern, chalk dust can be stained with by being placed on the books on lectern, during cleaning Dust is flown upward, and influences the study of teacher and front-seat student；In addition on mathematics or Chinese Course Classroom, teacher would generally be at random to student It is putd question to, the object of enquirement is often what teacher's subjectivity selected, lacks justice, this has resulted in partial students often by teacher Forget, always carry less than, cause partial students absent minded, school grade decline.

Utility model content：

The purpose of this utility model is to overcome above-mentioned the shortcomings of the prior art part, and a kind of teaching is provided and is used Lectern, it is vdiverse in function, solve desktop chalk dust not easy-clear the technical issues of, while solve pair that teacher can not be fair The technical issues of full class's student's speaking ability by random question.

In order to solve the problems existing in background technology, the utility model adopts the following technical solution：A kind of teaching is with saying Table, including desk body, the lower end of desk body is equipped with table leg, and the upper end table top of desk body is equipped with block, dust brush and groove, the block The side of table top is set and is located at along the length direction of desk body, and the inside of block is equipped with slide block slot, and the groove is vertical to be arranged on The both sides of block are simultaneously connected with the slide block slot, and the dust brush includes connecting shaft, 2-3 section brush dirt blocks are nested in connecting shaft, even One end of spindle is equipped with sliding block, and sliding block is in slide block slot, and the other end of sliding block is equipped with pulley, and the pulley is by holding out against spiral shell Bolt is detachably connected with connecting shaft, and the lower end of sliding block, which corresponds to, is equipped with slideway at the desktop, the side of desk body is hinged a supporting plate, holds in the palm The lower face of plate sets a link, and the one side that supporting plate is corresponded in desk body sets a supporting rod, one end and the desk body phase of supporting rod Hinged, the other end of supporting rod is equipped with the corresponding hook for being directed toward link, fixes a number plate mixing arrangement on the supporting plate, described number Board mixing arrangement includes number plate storehouse, and the both ends in number plate storehouse are equipped with the shaft of coaxial line, and the one end of the shaft far from number plate storehouse is set Support plate is put, support plate is equipped with shaft punched out, and one end that shaft is located at outside support plate is equipped with rocking arm, and the number plate storehouse is in circle Tubular, the rectangle number plate with student name is equipped in number plate storehouse, and offering a number plate on the outer housing in number plate storehouse picks and places mouth, number Board picks and places a hinged arc-shaped cover door at mouth, and a swing arm is hinged on the lateral surface of arc-shaped cover door, and the outside fixation that number plate picks and places mouth is set An axis pin is put, the movable end of swing arm is equipped with the corresponding arc-shaped slot for being directed toward axis pin.

The brush dirt block includes brush holder and bristle, and connecting shaft punched out, the lower face installation of brush holder are opened up in the middle part of brush holder There is bristle.

The utility model is vdiverse in function, and the chalk dust that both can have easily will fall off on lectern is removed, and avoids chalk ghost Study and the health of academics and students is rung, student can also be carried out extracting at random by way of randomly selecting number slip to carry It asks, it is fair to ensure, ensures attention of the student on teaching classroom, improves school grade.

Description of the drawings：

Fig. 1 is the dimensional structure diagram of the utility model；

Fig. 2 is the overlooking the structure diagram of the utility model；

The structure diagram of Fig. 3 dust brushes.

In figure：1. dust brush, 2. blocks, 3. slide block slots, 4. desk bodies, 5. number plate storehouses, 6. supporting plates, 7. grooves, 8. pulleys, 9. Arc-shaped cover door, 10. shafts, 11. rocking arms, 12. table legs, 13. connecting shafts, 14. bristles, 15. brush holders, 16. sliding blocks, 17. supporting rods.

Specific embodiment：

With reference to Fig. 1-3, a kind of desk for teaching, including desk body 4, the lower end of desk body 4 is equipped with table leg 12, the upper end stand of desk body Face is equipped with block 2, dust brush 1 and groove 7, and the length direction of block 2 along the desk body sets and is located at the side of table top, keeps off The inside of block 2 is equipped with slide block slot, and the vertical both sides for being arranged on block of the groove 7 simultaneously connect, the dust with the slide block slot 3 Brush 1 includes connecting shaft, and 2-3 section brush dirt blocks are nested in connecting shaft 13, and one end of connecting shaft 13 is equipped with sliding block 16, and sliding block 16 is embedded in In slide block slot 3, the other end of sliding block is equipped with pulley 8, and the pulley 8 is detachably connected by puller bolt and connecting shaft 13, sliding The lower end of block 16, which corresponds to, is equipped with slideway at the desktop；The brush dirt block includes brush holder 15 and bristle 14, and the middle part of brush holder 15 is opened If connecting shaft punched out, the lower face of brush holder 15 is bonded with bristle.

When not in use, dust brush 1 is located in the groove in 4 left side of desk body, when needing clear dirt, lifts dust brush upwards 1, dust brush 1 is made to be detached from left groove, and horizontal pulling dust brush, the sliding block 16 and pulley 8 at dust brush both ends are respectively along correspondence Slide block slot 3 and slideway movement, and the chalk dust on desktop is driven to move to the right together, dust brush 1 is fallen together with chalk dust Into right groove, loosen puller bolt, can by brush dirt block by the chalk dust in groove 7 be pushed out come；And it can will brush The taking-up of dirt block is cleaned, and after cleaning out dust, then brush dirt block is assembled in connecting shaft.

The side of desk body 4 is equipped with a hinged supporting plate 6, and the lower face of supporting plate 6 sets a link, supporting plate is corresponded in desk body 4 One side sets a supporting rod 17, and one end and the desk body 4 of supporting rod are hinged, and the other end of supporting rod 17 is equipped with corresponding be directed toward and hangs The hook of ring fixes a number plate mixing arrangement on the supporting plate 6；It after class, can be by the hook and supporting plate of 17 one end of supporting rod The link of lower section is detached from, by 6 times foldings of supporting plate；Reduce desktop occupied space.

The number plate mixing arrangement includes number plate storehouse 5, and the both ends in number plate storehouse 5 are equipped with the shaft 10 of coaxial line, the shaft 10 one end setting support plates far from number plate storehouse, support plate are equipped with shaft punched out, and shaft 10 is located at one end outside support plate Equipped with rocking arm 11, the number plate storehouse is cylindrical, and blocky number slip with student name is equipped in number plate storehouse 5, number plate storehouse 5 A number plate is offered on outer housing and picks and places mouth, number plate picks and places a hinged arc-shaped cover door 9 at mouth, cut with scissors on the lateral surface of arc-shaped cover door 9 A swing arm is connect, an axis pin is fixedly installed in the outside that number plate picks and places mouth, and the movable end of swing arm is equipped with the corresponding arc groove for being directed toward axis pin Mouthful.

Number slip equal with class size is placed in number plate storehouse 5, the name there are one student is write on each number slip And student number, classroom are taken in when needing to put question to student, rocking arm 11 can be used to rotate number storehouse for teacher, make number slip in number storehouse 5 Then uniformly mixing opens arc-shaped cover door 9, is picked and placeed from number plate and a number slip is randomly selected in mouth, according to the surname on number slip Name is putd question to, solve that teacher can not be fair to full class student speaking ability by random question the technical issues of.So as to ensure student in English Attention on language classroom improves school grade.

Claims

1. a kind of desk for teaching, including desk body（4）, desk body（4）Lower end be equipped with table leg（12）, set on the upper end table top of desk body There is block（2）, dust brush（1）And groove（7）, the block（2）The side of table top is set and is located at along the length direction of desk body, Block（2）Inside be equipped with slide block slot, the groove（7）The vertical both sides for being arranged on block and with the slide block slot（3）Connection, It is characterized in that：The dust brush（1）Including connecting shaft, connecting shaft（13）On be nested with 2-3 section brush dirt block, connecting shaft（13）One End is equipped with sliding block（16）, sliding block（16）Embedded in slide block slot（3）Interior, the other end of sliding block is equipped with pulley（8）, the pulley（8） Pass through puller bolt and connecting shaft（13）It is detachably connected, sliding block（16）Lower end correspond at the desk body be equipped with slideway, desk body （4）Side be hinged a supporting plate（6）, supporting plate（6）Lower face set a link, desk body（4）The side setting of upper corresponding supporting plate One supporting rod（17）, one end of supporting rod and desk body（4）It is hinged, the other end of supporting rod is equipped with the corresponding extension for being directed toward link Hook, the supporting plate（6）On fix a number plate mixing arrangement, the number plate mixing arrangement includes number plate storehouse（5）, number plate storehouse（5）'s Both ends are equipped with the shaft of coaxial line（10）, the shaft（10）One end setting support plate far from number plate storehouse, support plate are equipped with Shaft punched out, shaft（10）One end outside support plate is equipped with rocking arm（11）, the number plate storehouse is cylindrical, number plate storehouse （5）The interior rectangle number plate being equipped with student name, number plate storehouse（5）Outer housing on offer a number plate and pick and place mouth, number plate takes Put a hinged arc-shaped cover door at mouth（9）, arc-shaped cover door（9）Lateral surface on a hinged swing arm, the outside that number plate picks and places mouth is fixed One axis pin is set, and the movable end of swing arm is equipped with the corresponding arc-shaped slot for being directed toward axis pin.

2. desk for teaching according to claim 1, it is characterised in that：The brush dirt block includes brush holder（15）And bristle （14）, brush holder（15）Middle part open up connecting shaft punched out, the lower face of brush holder is equipped with bristle.