CN111845159A

CN111845159A - Blackboard for physical teaching

Info

Publication number: CN111845159A
Application number: CN202010766248.4A
Authority: CN
Inventors: 余俊
Original assignee: Wuhan Yiweideng Technology Development Co ltd
Current assignee: Henan University of Technology
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2020-10-30
Anticipated expiration: 2040-08-03
Also published as: CN111845159B

Abstract

The invention discloses a blackboard for physical teaching, which comprises a mounting frame, wherein a placing mechanism is arranged on the side wall of one side of the mounting frame, a lifting mechanism is jointly arranged on the opposite side wall inside the placing mechanism, a limiting mechanism is arranged at the bottom end inside the placing mechanism, and a blackboard mechanism is fixedly connected to both the lifting mechanism and the limiting mechanism, and the blackboard has the beneficial effects that: when using, drive two first drive wheels through driving motor and rotate, two first drive wheels drive two second drive wheels through the drive belt respectively and rotate, two second drive wheels through with drive two lead screws respectively and rotate, the lead screw drives two elevator blocks through the cooperation with screw-nut and rises with the blackboard, the blackboard that lies in the standing groove simultaneously is promoted by the spring and gets into the mounting groove in, be convenient for when being convenient for write the student watch two blocks of blackboards about and then link the front and back content simultaneously.

Description

Blackboard for physical teaching

Technical Field

The invention belongs to the technical field of physical teaching, and particularly relates to a blackboard for physical teaching.

Background

The teaching aid is a general term of various appliances used for enabling students to visually and vividly understand teaching contents and appliances used by teachers during teaching, and the blackboard is the most common appliance for teaching.

In the existing physical teaching, written data and principles are more, one blackboard is not enough generally, and the blackboard is inconvenient for students to link front and back contents after being erased, so that a blackboard for physical teaching is needed to be provided symmetrically.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a blackboard for physical teaching, which solves the problems that in the conventional physical teaching, a large number of data and principles are written, and one blackboard is not sufficient, and it is inconvenient for students to link their contents before and after erasing the blackboard.

In order to solve the above problems, the present invention provides a technical solution:

the utility model provides a blackboard for physical teaching, includes a mounting bracket, a placement mechanism has been seted up on the lateral wall of one side wherein of mount pad, be provided with a elevating system on the inside relative lateral wall of placement mechanism jointly, placement mechanism's inside bottom is provided with a stop gear, blackboard mechanism of equal fixedly connected with on elevating system and the stop gear, the last fixed surface of mounting bracket installs an actuating mechanism, one of them be provided with a slide mechanism in the blackboard mechanism.

Preferably, the placing mechanism comprises a mounting groove, the mounting groove is formed in the side wall of one side of the mounting frame, a placing groove is formed in the groove wall of the mounting groove, which is close to the bottom end of the mounting groove, and the mounting groove and the placing groove are both arranged in a rectangular shape.

Preferably, elevating system includes two lift grooves, two the lift groove is the symmetry form and sets up on the relative cell wall of mounting groove, two all be connected with a lead screw that is vertical form setting through the bearing rotation in the lift groove, two the top of lead screw all runs through the upper surface of mounting bracket and upwards extends, two equal threaded connection has a screw-nut, two on the pole wall that the lead screw is located the lift groove the last equal fixed elevator that has cup jointed of screw-nut, two sliding connection is respectively in the lift groove that corresponds, two the notch that corresponds the lift groove is run through respectively to the ascending and descending piece one end in opposite directions and extends to in the mounting groove.

Preferably, stop gear includes two T type spouts that are the paralleling form and set up, two the T type spout is all seted up jointly on the tank bottom of mounting groove and standing groove, two equal sliding connection has a T type slider in the T type spout, two the notch that corresponds T type spout is all run through and upwards extends in the top of T type slider.

Preferably, two blackboard mechanism includes a mount, one of them mount fixed connection is in two elevator blocks one end that is located the mounting groove, another mount fixed connection is in the one end that two T type sliders are located the mounting groove, two a fixed slot, two have all been seted up on the lateral wall of one of them side of mount the blackboard of the equal fixedly connected with in tank bottom of fixed slot.

Preferably, the driving mechanism comprises a driving motor, the driving motor is fixedly installed on the upper surface of the installation frame, the output end of the driving motor is fixedly connected with two first driving wheels through a coupler, the second driving wheels are fixedly connected to the top ends of the two lead screws outside the installation frame, and the first driving wheels are respectively connected with one driving belt through common transmission between the two second driving wheels.

Preferably, slide mechanism includes two blocks of sloping blocks, two the sloping block is the relative edge of symmetry form fixed connection at one of them blackboard lower surface, corresponds two be vertical form on the blackboard lateral wall of sloping block position and seted up two rows of recesses, two rows the recess all includes that a plurality of is the recess that even equidistance set up, a plurality of all rotate through the pivot between the relative cell wall of recess and be connected with a gyro wheel, a plurality of one of them terminal surface of gyro wheel all runs through the notch that corresponds the recess and outwards extends.

Preferably, the bottom of the placing groove is fixedly connected with a plurality of springs in a matrix shape, and one ends, far away from the bottom of the placing groove, of the springs are fixedly connected to the outer side wall of one of the blackboards.

The invention has the beneficial effects that:

1. the invention relates to a blackboard for physics teaching, which is characterized in that when in use, a driving motor drives two first driving wheels to rotate, the two first driving wheels respectively drive two second driving wheels to rotate through a driving belt, the two second driving wheels respectively drive two lead screws to rotate, the lead screws drive two lifting blocks and a blackboard to ascend through the cooperation with lead screw nuts, and meanwhile, the blackboard positioned in a placing groove is pushed by a spring to enter the installing groove, so that students can conveniently watch the upper blackboard and the lower blackboard at the same time when writing is carried out, and the front blackboard and the rear blackboard are linked.

2. The invention relates to a blackboard for physics teaching, wherein when an upper blackboard descends, a slope block pushes a lower blackboard inwards along the slope of the slope block, and when the upper blackboard descends continuously, two fixing frames roll through a roller, so that friction cannot be generated between the two fixing frames, and the fixing frames and the blackboard can be conveniently lifted.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a rear view of the fixing frame of the present invention;

FIG. 4 is an enlarged schematic view of portion A of FIG. 1 according to the present invention;

fig. 5 is an enlarged structural view of a portion B of fig. 1 according to the present invention.

In the figure: 1. a mounting frame; 2. a placement mechanism; 21. mounting grooves; 22. a placement groove; 3. a lifting mechanism; 31. a lifting groove; 32. a screw rod; 33. a feed screw nut; 34. a lifting block; 4. a limiting mechanism; 41. a T-shaped chute; 42. a T-shaped slider; 5. a blackboard mechanism; 51. a fixed mount; 52. fixing grooves; 53. a blackboard; 6. a drive mechanism; 61. a drive motor; 62. a first drive pulley; 73. a second transmission wheel; 74. a transmission belt; 7. a sliding mechanism; 71. a sloping block; 72. a groove; 73. a roller; 8. a spring.

The specific implementation mode is as follows:

as shown in fig. 1 to 5, the following technical solutions are adopted in the present embodiment:

the utility model provides a blackboard for physical teaching, includes a mounting bracket 1, has seted up a placement mechanism 2 on the lateral wall of 1 one of them side of mounting bracket 1, is provided with a elevating system 3 on the relative lateral wall of placement mechanism 2 inside jointly, and the inside bottom of placement mechanism 2 is provided with a stop gear 4, and equal fixedly connected with blackboard mechanism 5 is gone up to elevating system 3 and stop gear 4, and the last fixed surface of mounting bracket 1 installs a actuating mechanism 6, is provided with a slide mechanism 7 on one of them blackboard mechanism 5.

Wherein, the placing mechanism 2 includes a mounting groove 21, the mounting groove 21 is opened on the lateral wall of one side of the mounting bracket 1, a placing groove 22 is opened on the groove wall of the mounting groove 21 near the bottom end position, and the mounting groove 21 and the placing groove 22 are both arranged in a rectangular shape.

Wherein, elevating system 3 includes two lift grooves 31, two lift grooves 31 are the symmetry form and offer on the relative cell wall of mounting groove 21, all be connected with a lead screw 32 that is vertical form setting through the bearing rotation in two lift grooves 31, the top of two lead screws 32 all runs through the upper surface of mounting bracket 1 and upwards extends, equal threaded connection has a screw-nut 33 on two lead screws 32 are located the pole wall of lift inslot 21, all fixed cup jointed a lifter 34 on two screw-nut 33, two lifter 34 sliding connection respectively are in the lift inslot 31 that corresponds, two lifter 34 one end in opposite directions run through the notch that corresponds lift groove 31 respectively and extend to in the mounting groove 21.

Wherein, stop gear 4 includes two T type spouts 41 that are the paralleling and describe setting, and two T type spouts 41 are all offered jointly on the tank bottom of mounting groove 21 and standing groove 22, and equal sliding connection has a T type slider 42 in two T type spouts 41, and the notch that corresponds T type spout 41 is all run through and upwards extends on the top of two T type sliders 42.

Wherein, two blackboard mechanisms 5 include a mount 51, and one of them mount 51 fixed connection is in two elevator blocks 34 and is located the one end of mounting groove 21, and another mount 51 fixed connection is in the one end that two T type sliders 42 are located the mounting groove 21, has all seted up a fixed slot 52 on the lateral wall of two mount 51 one of them sides, and blackboard 53 of the equal fixedly connected with in tank bottom of two fixed slots 52.

The driving mechanism 6 comprises a driving motor 61, the driving motor 61 is fixedly installed on the upper surface of the installation frame 1, the output end of the driving motor 61 is fixedly connected with two first driving wheels 62 through a coupler, the top ends of the two lead screws 32 located outside the installation frame 1 are fixedly connected with a second driving wheel 63, and the two first driving wheels 62 and the two second driving wheels 63 are connected with a driving belt 64 in a common driving mode.

Wherein, slide mechanism 7 includes two blocks of blocks 71 that slope, two blocks 71 that slope are the relative edge of symmetry form fixed connection at one of them blackboard 53 lower surface, correspond two rows of recesses 72 that have seted up of vertical form on the blackboard 53 lateral wall of two blocks 71 positions, two rows of recesses 72 all include that a plurality of is the recess 72 that even equidistance set up, all be connected with a gyro wheel 73 through the pivot rotation between the relative cell wall of a plurality of recess 72, one of them terminal surface of a plurality of gyro wheel 73 all runs through the notch that corresponds recess 72 and outwards extends.

Wherein, the tank bottom of standing groove 22 is a plurality of springs 8 of matrix form fixedly connected with, and the equal fixed connection of the one end of a plurality of springs 8 of keeping away from the tank bottom of standing groove 22 is on the lateral wall of one of them blackboard 53.

The using state of the invention is as follows: the invention relates to a blackboard for physics teaching, when in use, firstly, a driving motor 61 is started, the driving motor 61 drives two first driving wheels 62 to rotate, the two driving wheels 62 respectively drive two second driving wheels 63 to rotate through two driving belts 64, the two second driving wheels 63 respectively drive two screw rods 32 to rotate, the two screw rods 32 drive two lifting blocks 34 to lift in a lifting groove 31 through the matching with a screw rod nut 33, simultaneously, the two lifting blocks 34 drive a fixed frame 51 to lift, further, the blackboard 53 in a fixed groove 52 is driven to lift to the top of a mounting groove 21, at the moment, the blackboard 53 in a placing groove 22 is pushed under the elasticity of a spring 8, and the blackboard can only move in parallel to the mounting groove 21 due to the matching limit of a T-shaped sliding groove 41 and a T-shaped sliding block 42, so that students can conveniently watch the upper blackboard 53 and the lower blackboard 53 at the same time to link the front and back contents, after the blackboard eraser is used, the driving motor 61 rotates reversely to drive the upper blackboard 53 to descend, the slope blocks 71 on the upper fixing frame 51 push the lower fixing frame 51 to move towards the placing groove 22 along the slope of the slope blocks, and the two fixing frames 51 are supported by the rollers 73 in the subsequent descending process, so that friction cannot be generated in the ascending and descending processes of the two fixing frames 51, and the fixing frames 51 and the blackboard 53 can be conveniently lifted.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a blackboard for physical teaching, its characterized in that, includes a mounting bracket (1), one placing mechanism (2) has been seted up on the lateral wall of mount pad (1) one of them one side, be provided with one elevating system (3) jointly on the inside relative lateral wall of placing mechanism (2), the inside bottom of placing mechanism (2) is provided with one stop gear (4), equal fixedly connected with blackboard mechanism (5) are gone up in elevating system (3) and stop gear (4), the last fixed surface of mounting bracket (1) installs one actuating mechanism (6), one of them be provided with one slide mechanism (7) on blackboard mechanism (5).

2. The blackboard for physics teaching according to claim 1, characterized in that: the placing mechanism (2) comprises a mounting groove (21), the mounting groove (21) is formed in the side wall of one side of the mounting frame (1), a placing groove (22) is formed in the groove wall, close to the bottom end, of the mounting groove (21), and the mounting groove (21) and the placing groove (22) are arranged in a rectangular mode.

3. The blackboard for physics teaching according to claim 1, characterized in that: elevating system (3) are including two lift groove (31), two lift groove (31) are the symmetry form and offer on the relative cell wall of mounting groove (21), two all be connected with lead screw (32) that a vertical form set up through the bearing rotation in lift groove (31), two the top of lead screw (32) all runs through the upper surface of mounting bracket (1) and upwards extends, two equal threaded connection has a screw-nut (33), two on screw-nut (33) is located the pole wall in lift groove (21) lead screw (34) all fixed the elevator (34) of having cup jointed on the screw-nut (33), two elevator (34) sliding connection respectively is in the lift groove (31) that corresponds, two elevator (34) one end in opposite directions runs through the notch that corresponds lift groove (31) respectively and extends to in mounting groove (21).

4. The blackboard for physics teaching according to claim 1, characterized in that: stop gear (4) are T type spout (41) that the form set up including two, two T type spout (41) are all seted up jointly on the tank bottom of mounting groove (21) and standing groove (22), two equal sliding connection has a T type slider (42), two in T type spout (41) the notch that corresponds T type spout (41) all runs through on the top of T type slider (42) and upwards extends.

5. The blackboard for physics teaching according to claim 1, characterized in that: two blackboard mechanism (5) are including a mount (51), one of them mount (51) fixed connection is in the one end that two elevator blocks (34) are located mounting groove (21), another mount (51) fixed connection is in the one end that two T type sliders (42) are located mounting groove (21), two a fixed slot (52), two have all been seted up on the lateral wall of mount (51) one of them side blackboard (53) of the equal fixedly connected with of tank bottom of fixed slot (52).

6. The blackboard for physics teaching according to claim 1, characterized in that: actuating mechanism (6) include a driving motor (61), driving motor (61) fixed mounting is at the upper surface of mounting bracket (1), two first drive wheels (62) of shaft coupling fixedly connected with are passed through to the output of driving motor (61), are located two outer lead screw (32) top of mounting bracket (1) equal fixedly connected with second drive wheel (63), two first drive wheel (62) respectively with two second drive wheels (63) between common transmission be connected with a drive belt (64).

7. The blackboard for physics teaching according to claim 1, characterized in that: slide mechanism (7) are including two sloping block (71), two sloping block (71) are the relative edge of symmetry form fixed connection at one of them blackboard (53) lower surface, correspond two be vertical form on blackboard (53) lateral wall of sloping block (71) position and seted up two rows of recess (72), two rows recess (72) all include that a plurality of is recess (72) that even equidistance set up, a plurality of all rotate through the pivot between the relative cell wall of recess (72) and be connected with a gyro wheel (73), a plurality of one of them terminal surface of gyro wheel (73) all runs through the notch that corresponds recess (72) and outwards extends.

8. The blackboard for physics teaching according to claim 2, characterized in that: the tank bottom of standing groove (22) is a plurality of springs (8) of matrix form fixedly connected with, a plurality of equal fixed connection of one end that standing groove (22) tank bottom was kept away from in spring (8) is on the lateral wall of one of them blackboard (53).