CN213891958U

CN213891958U - Multifunctional blackboard for teaching

Info

Publication number: CN213891958U
Application number: CN202023112796.XU
Authority: CN
Inventors: 张英贞; 张琳琳; 马兆建
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-08-06
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a multifunctional blackboard for teaching, which relates to the field of teaching tools, the inner part of the frame is connected with a black board block, the front side of the black board block is connected with a receiving box in a sliding way, a latticed iron net is sleeved on the inner part of the receiving box, a water-absorbing felt is sleeved on the inner part of the receiving box, the top of the water-absorbing felt is contacted with the bottom of the latticed iron net, the inner part of the black board block is fixedly connected with a second sliding sleeve, one side of the second sliding sleeve far away from the black board block is connected with a first sliding sleeve in a sliding way, one side of the first sliding sleeve far away from one end of the second sliding sleeve is fixedly connected with a second spring, one side of the first sliding sleeve far away from the second spring is fixedly connected with a fixed block, the inner part of the black board block is fixedly connected with a raw board, the front side of the raw board is contacted with the back side of the receiving box, the multifunctional blackboard for teaching is characterized in that when a user wants to clean the receiving box, the fixing block can be pushed downwards, and then the receiving box can be taken out.

Description

Multifunctional blackboard for teaching

Technical Field

The utility model relates to a teaching tool technical field specifically is a multi-functional blackboard is used in teaching.

Background

The blackboard is not particularly specified to a black board, is a plane which can be repeatedly written by chalk in the traditional sense, is hard, is mainly used for teaching, is one of the most common and flexible teaching aids in all visual teaching aids, and can visually present some things which people want to see for people.

Teacher is when writing, when erasing the blackboard, can produce a large amount of dusts, current blackboard all is slidable, so the blackboard bottom all is slotted, the dust can accumulate in the inslot of blackboard bottom, can block up the groove in the past this long time, the slip that can make the blackboard is obstructed, and when mr used the chalk to write, often can break a lesson and drop, also can cause the jam, hinder the blackboard and slide, and the chalk that drops for a long time also is extravagant one of resources, so need a multi-functional teaching to solve above-mentioned problem with black originally now.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a teaching is with multi-functional blackboard to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a multifunctional blackboard for teaching comprises a main body frame, wherein a black plate block is connected to the inside of the frame in a sliding manner, a receiving box is connected to the front side of the black plate block in a sliding manner, a latticed iron net is sleeved on the inside of the receiving box in a movable manner, water-absorbing woollen cloths are sleeved on the inside of the receiving box in a movable manner, the tops of the water-absorbing woollen cloths are in contact with the bottom of the latticed iron net, a second sliding sleeve is fixedly connected to the inside of the black plate block, a first sliding sleeve is connected to one side, away from the black plate block, of the second sliding sleeve in a sliding manner, a second spring is fixedly connected to the inside of one end, away from the second sliding sleeve, the bottom of the second spring is fixedly connected to the inner wall of the second sliding sleeve, a fixed block is fixedly connected to one side, away from the second spring, of the first sliding sleeve is fixedly connected to a sleeve, and an original plate is fixedly connected to one side, away from the black plate block, of the sleeve, the front surface of the original plate is in contact with the back surface of the receiving box.

Preferably, one side of the blackboard block close to the receiving box is provided with a first groove.

Preferably, the inside fixedly connected with slide rail of frame, the bottom sliding connection of black plate piece is on the slide rail upper surface.

Preferably, a second groove is formed in the bottom surface of the receiving box, and a rack is fixedly connected to one side, far away from the fixing block, of the second groove.

Preferably, the fixed block is Z-shaped, and one end of the fixed block close to the rack is similar to the rack in shape.

Preferably, the bottom surface of the original plate is provided with a slot hole, and the upper surface of the slot hole is fixedly connected with a tooth block.

Preferably, the inside of the sleeve is fixedly connected with a first spring, the front face of the first spring is fixedly connected with a telescopic block, and the front face of the telescopic block is fixedly connected to the back face of the original plate.

The utility model provides a teaching is with multi-functional blackboard, its beneficial effect who possesses as follows:

1. this multi-functional blackboard is used in teaching, the felt activity that absorbs water cup joints inside receiving the box, the activity of check iron net cup joints inside receiving the box, the upper surface of the felt that absorbs water contacts with the lower surface of check iron net, the felt that absorbs water is wet, when the user uses the chalk, the chalk dust drops and can be firmly held on the felt that absorbs water, can not let the chalk dust fly off aloft, cause the injury to people's health, can drop the check iron net after the user uses the chalk to fall off a lesson, regularly clear up and receive the box and both can reduce air pollution and wasting of resources, can reduce blackboard piece lower part again and block up, reduce when making the blackboard piece slide and hinder.

2. The multifunctional blackboard for teaching comprises a rack fixedly connected to the bottom of a receiving box, a first sliding sleeve and a second sliding sleeve which are slidably connected, wherein the first sliding sleeve is fixedly connected to one end of a second spring, the second sliding sleeve is fixedly connected to the other end of the second spring, a fixing block is fixedly connected to the upper surface of the first sliding sleeve, when a user wants to clean the receiving box, the fixing block can be pushed downwards to take out the receiving box, when the receiving box is put back, the fixing block is pushed downwards first, then the receiving box is put into the original position, then the fixed block pushed downwards is loosened, the fixed block is pushed upwards by the elasticity of the second spring, then the card is on the rack of receiving the box bottom, and when the user took out the receiving box, the elasticity of first spring can push former board and move forward, until fixed with the fixed block, former board can make that one of the original receiving box of blackboard piece become a monoblock blackboard, has increased the application range of blackboard.

Drawings

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

FIG. 2 is a detailed view of the structure of the receiving box of the present invention;

FIG. 3 is a top view of the receiving box structure of the present invention;

fig. 4 is a whole elevation view of the present invention.

In the figure: 1. a frame; 2. a black plate; 3. a receiving box; 4. a first groove; 5. a slide rail; 6. a fixed block; 7. a first spring; 8. a second spring; 9. a water-absorbent felt; 10. a latticed iron net; 11. original plate; 101. a first sliding sleeve; 102. a second sliding sleeve; 103. a second groove; 104. a rack; 105. a sleeve; 106. a telescopic block; 107. a groove hole; 108. a tooth block.

Detailed Description

The embodiment of the utility model provides a multifunctional blackboard for teaching, as shown in figures 1-4, comprising a main body frame 1, the inner part of the frame 1 is slidably connected with a black board block 2, the front side of the black board block 2 is slidably connected with a receiving box 3, the inner part of the receiving box 3 is movably sleeved with a latticed iron net 10, the inner part of the receiving box 3 is movably sleeved with a water-absorbing felt 9, the top of the water-absorbing felt 9 is contacted with the bottom of the latticed iron net 10, the inner part of the black board block 2 is fixedly connected with a second sliding sleeve 102, one side of the second sliding sleeve 102 far away from the black board block 2 is slidably connected with a first sliding sleeve 101, the inner part of one end of the first sliding sleeve 101 far away from the second sliding sleeve 102 is fixedly connected with a second spring 8, the bottom end of the second spring 8 is fixedly connected with the inner wall of the second sliding sleeve 102, one side of the first sliding sleeve 101 far away from the second spring 8 is fixedly connected with a fixed block 6, the inner part of the black board block 2 is fixedly connected with a sleeve 105, the side of the sleeve 105 away from the black plate 2 is fixedly connected with an original plate 11, and the front surface of the original plate 11 is contacted with the back surface of the receiving box 3.

As a technical optimization scheme, first recess 4 has been seted up to one side that blackboard piece 2 is close to receiving box 3, frame 1's inside fixedly connected with slide rail 5, the bottom sliding connection of blackboard piece 2 is on slide rail 5 upper surface, second recess 103 has been seted up to the bottom surface of receiving box 3, one side fixedly connected with rack 104 of fixed block 6 is kept away from to second recess 103, fixed block 6 is the similar rack 104 shape of one end that Z-arrangement just is close to rack 104, slotted hole 107 has been seted up to the bottom surface of former board 11, the last fixed surface of slotted hole 107 is connected with tooth piece 108, the first spring 7 of the inside fixedly connected with of sleeve 105, the positive fixedly connected with flexible piece 106 of first spring 7, the positive fixed connection of flexible piece 106 is at the back of former board 11.

The working principle is as follows: when the utility model is used, when the user uses chalk, the chalk dust falls on the water absorbing felt 9 and is firmly absorbed, the chalk dust can not be scattered in the air and hurt the human body, when the user uses chalk and falls off a little, the chalk dust can fall on the grid iron net 10, the receiving box 3 can be regularly cleaned, which not only can reduce air pollution and resource waste, but also can reduce the blockage of the lower part of the black plate block 2, so that the block 2 can be reduced when sliding, when the user wants to clean the receiving box 3, the user can push the fixing block 6 downwards and can take out the receiving box 3, when the receiving box 3 is put back, the fixing block 6 is pushed downwards, then the receiving box 3 is put into the original position, then the fixing block 6 pushed downwards is loosened, the fixing block 6 is pushed upwards by the elastic force of the second spring 8, then the fixing block 6 is clamped on the rack 104 at the bottom of the receiving box 3, when the user takes out the receiving box 3, the elastic force of the first spring 7 pushes the original plate 11 to move forwards until the original plate is fixed with the fixing block 6, and the original plate 11 can change the original receiving box 3 of the black plate block 2 into a whole blackboard, so that the application range of the blackboard is enlarged.

For those skilled in the art, the water absorbing felt 9 is movably sleeved inside the receiving box 3, the grid iron net 10 is movably sleeved inside the receiving box 3, the upper surface of the water absorbing felt 9 is in contact with the lower surface of the grid iron net 10, the water absorbing felt 9 is wet, when a user uses chalk, chalk dust falls on the water absorbing felt 9 and is firmly absorbed, the chalk dust cannot float in the air and cause damage to human bodies, when the user uses chalk to break off a small section and then falls on the grid iron net 10, the receiving box can be cleaned regularly, air pollution and resource waste can be reduced, the blockage at the lower part of the black board 2 can be reduced, the black board 2 can slide less, the rack 104 is fixedly connected at the bottom of the receiving box 3, the first sliding sleeve 101 is connected with the second sliding sleeve 102 in a sliding manner, the first sliding sleeve 101 is fixedly connected at one end of the second spring 8, the second sliding sleeve 102 is fixedly connected at the other end of the second spring 8, fixed block 6 fixed connection is at first sliding sleeve 101 upper surface, when the user wants the clearance to receive box 3, can push down fixed block 6, just can take out and receive box 3, when putting back and receiving box 3, push down fixed block 6 earlier, then put into original position to receive box 3, then loosen the fixed block 6 of pushing down, let second spring 8's elasticity push away fixed block 6 upward movement, then the card is on the rack 104 of receiving box 3 bottom, when the user takes out and receives box 3, the elasticity of first spring 7 can push away former board 11 forward motion, until fixing with fixed block 6, former board 11 can make that the original blackboard piece of 2 receiving box 3 become a monoblock blackboard, the application range of blackboard has been increased.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a multi-functional blackboard is used in teaching, includes main body frame (1), its characterized in that: the inner part of the frame (1) is connected with a black plate block (2) in a sliding manner, the front surface of the black plate block (2) is connected with a receiving box (3) in a sliding manner, a grid iron net (10) is sleeved on the inner part of the receiving box (3), a water-absorbing felt (9) is sleeved on the inner part of the receiving box (3), the top of the water-absorbing felt (9) is contacted with the bottom of the grid iron net (10), a second sliding sleeve (102) is fixedly connected with the inner part of the black plate block (2), one side of the second sliding sleeve (102) far away from the black plate block (2) is connected with a first sliding sleeve (101) in a sliding manner, one end of the first sliding sleeve (101) far away from the second sliding sleeve (102) is fixedly connected with a second spring (8), the bottom end of the second spring (8) is fixedly connected with the inner wall of the second sliding sleeve (102), one side of the first sliding sleeve (101) far away from the second spring (8) is fixedly connected with a fixing block (6), the inner part of the black plate block (2) is fixedly connected with a sleeve (105), one side, far away from the black plate block (2), of the sleeve (105) is fixedly connected with an original plate (11), and the front face of the original plate (11) is in contact with the back face of the receiving box (3).

2. The multifunctional blackboard for teaching according to claim 1, characterized in that: a first groove (4) is formed in one side, close to the receiving box (3), of the black plate block (2).

3. The multifunctional blackboard for teaching according to claim 1, characterized in that: the inner part of the frame (1) is fixedly connected with a sliding rail (5), and the bottom of the black plate block (2) is connected to the upper surface of the sliding rail (5) in a sliding manner.

4. The multifunctional blackboard for teaching according to claim 1, characterized in that: a second groove (103) is formed in the bottom surface of the receiving box (3), and a rack (104) is fixedly connected to one side, far away from the fixing block (6), of the second groove (103).

5. The multifunctional blackboard for teaching according to claim 1, characterized in that: the fixed block (6) is Z-shaped, and one end, close to the rack (104), of the fixed block is similar to the rack (104).

6. The multifunctional blackboard for teaching according to claim 1, characterized in that: a groove hole (107) is formed in the bottom surface of the original plate (11), and a tooth block (108) is fixedly connected to the upper surface of the groove hole (107).

7. The multifunctional blackboard for teaching according to claim 1, characterized in that: the inner portion of the sleeve (105) is fixedly connected with a first spring (7), the front face of the first spring (7) is fixedly connected with a telescopic block (106), and the front face of the telescopic block (106) is fixedly connected to the back face of the original plate (11).