CN215643277U

CN215643277U - Teaching device suitable for primary school Chinese teaching

Info

Publication number: CN215643277U
Application number: CN202122420395.9U
Authority: CN
Inventors: 何素梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-01-25
Anticipated expiration: 2031-10-09

Abstract

The utility model discloses a teaching device suitable for primary school Chinese teaching, which comprises a shielding component, a lifting component and a protective box, wherein the lifting component is arranged in the protective box, the shielding component is arranged on the upper side of the lifting component, the lifting component comprises a shell, a supporting column, a driving ejector rod, a lever, a first connecting rod, a second connecting rod, a pedal plate, a second balancing weight, a spring, a driven ejector rod, a connecting frame, a handle and a first balancing weight, the supporting column is arranged in the shell, the spring is arranged in the shell and arranged on the lower side of the supporting column, the middle end of the lever is hinged on the shell, the driving ejector rod is hinged with one end of the lever, one end of the first connecting rod is hinged with the other end of the lever, and one end of the pedal plate is hinged on the shell. The utility model belongs to the technical field of teaching equipment, and particularly relates to a teaching device which is simple in structure, convenient to use, high in practicability and low in manufacturing cost and is suitable for primary school Chinese teaching.

Description

Teaching device suitable for primary school Chinese teaching

Technical Field

The utility model belongs to the technical field of teaching equipment, and particularly relates to a teaching device suitable for primary school Chinese teaching.

Background

At present, if a Chinese course is taught in Chinese teaching, learning interest of students is firstly trained, so that the teaching interest of the students is trained, the students are greatly helped to activate classroom atmosphere and improve learning interest of the students through picture demonstration in a classroom, teachers usually carry pictures to demonstrate in the prior teaching picture demonstration, which is very inconvenient and tasteless for the students, and problems and answers of the existing Chinese teaching tests in primary schools are mostly written on two small blackboards respectively, so that not only is the writing process of the teachers troublesome, but also the explaining process after the tests is finished is inconvenient, if the teachers are directly written on one small blackboards, the effects of the tests cannot be achieved if the answers are not shielded, and the shielding mode is inconvenient if the answers are shielded, therefore, a structure is needed, the learning interest of the students is simple, and the learning interest of the teachers is not convenient, The teaching device suitable for primary school Chinese teaching is convenient to use, high in practicability and low in manufacturing cost, and the defect is overcome.

Disclosure of Invention

In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a teaching device suitable for primary Chinese teaching, which has the beneficial effects of height adjustment, answer shielding, movability and the like.

The technical scheme adopted by the utility model is as follows: a teaching device suitable for primary school Chinese teaching comprises a shielding component, a lifting component and a protective box, wherein the lifting component is arranged in the protective box, the shielding component is arranged on the upper side of the lifting component, the lifting component comprises a shell, a supporting column, a driving ejector rod, a lever, a first connecting rod, a second connecting rod, a pedal plate, a second balancing weight, a spring, a driven ejector rod, a connecting frame, a handle and a first balancing weight, the supporting column is arranged in the shell, the spring is arranged in the shell and arranged on the lower side of the supporting column, the middle end of the lever is hinged on the shell, the driving ejector rod is hinged with one end of the lever, one end of the first connecting rod is hinged with the other end of the lever, one end of the pedal plate is hinged on the shell, one point of the pedal plate, which is close to the shell, is hinged with the other end of the first connecting rod, and the protective box is provided with an opening, the other end of the pedal extends out of the protective box through the opening, one end of the second connecting rod is fixedly connected with one end of the pedal, the second balancing weight is fixedly connected with the other end of the second connecting rod, the middle end of the driven ejector rod is hinged to the shell, the connecting frame is fixedly connected with one end of the driven ejector rod, the first balancing weight is fixedly connected with the other end of the connecting frame, and the handle is fixedly connected with one end of the driven ejector rod.

The utility model provides a preferred technical scheme of this scheme, shelter from the subassembly and include backplate, blackboard, spool, screw rod, slide bar, screw thread piece, pull rod, shelter from cloth, sliding block and servo motor, the backplate is fixed to be located the support column top, servo motor is fixed to be located on the backplate, the screw rod is rotatory to be located on the backplate, the one end of screw rod and servo motor's output fixed connection, the slide bar is fixed to be located on the backplate, screw thread piece screw thread is located on the screw rod, the sliding block slides and locates on the slide bar, the one end and the screw thread piece fixed connection of pull rod, the other end and the sliding block fixed connection of pull rod, shelter from on one side of cloth is fixed to be located on the pull rod, the spool is rotatory to be located on the backplate and to locate one side of blackboard, shelter from cloth opposite side and roll up on the spool.

As a preferred technical scheme of the scheme, the supporting column is provided with a tooth socket, and the driving ejector rod and the driven ejector rod correspond to the tooth socket.

As a preferred technical scheme of this scheme, the guard box downside is fixed and is equipped with the universal wheel.

As a preferred technical scheme of this scheme, be equipped with the brake block on the universal wheel.

After adopting the structure, the utility model has the following beneficial effects: according to the teaching device suitable for primary school Chinese teaching, the height of the back plate can be adjusted at will according to needs by arranging the lifting assembly, answers can be shielded in the teaching test process by arranging the shielding assembly, and the answers can be displayed after the test is finished.

Drawings

The accompanying drawings, which are included to provide a further understanding of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

FIG. 1 is a schematic diagram of the overall structure of a teaching device suitable for primary school Chinese teaching;

FIG. 2 is a schematic diagram of the overall structure of a lifting assembly of a teaching device suitable for primary school Chinese teaching;

fig. 3 is a schematic diagram of the internal structure of the lifting assembly of the teaching device suitable for primary school Chinese teaching.

In the drawings: 1. the shielding assembly, 2, lifting assembly, 3, servo motor, 4, protective box, 5, shielding cloth, 6, blackboard, 7, shell, 8, support column, 9, tooth's socket, 10, passive ejector pin, 11, link, 12, first balancing weight, 13, active ejector pin, 14, lever, 15, head rod, 16, running-board, 17, second connecting rod, 18, second balancing weight, 19, backplate, 20, handle, 21, universal wheel, 22, spring, 23, spool, 24, sliding block, 25, thread block, 26, screw rod, 27, slide bar, 28, pull rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1-3, a teaching device suitable for primary school Chinese teaching comprises a shielding component 1, a lifting component 2 and a protective box 4, wherein the lifting component 2 is disposed in the protective box 4, the shielding component 1 is disposed on the upper side of the lifting component 2, the lifting component 2 comprises a housing 7, a support pillar 8, a driving push rod 13, a lever 14, a first connecting rod 15, a second connecting rod 17, a pedal plate 16, a second counter weight 18, a spring 22, a driven push rod 10, a connecting frame 11, a handle 20 and a first counter weight 12, the support pillar 8 is disposed in the housing 7, the spring 22 is disposed in the housing 7 and disposed on the lower side of the support pillar 8, the middle end of the lever 14 is hinged to the housing 7, the driving push rod 13 is hinged to one end of the lever 14, one end of the first connecting rod 15 is hinged to the other end of the lever 14, one end of the pedal plate 16 is hinged to the housing 7, one point of the pedal plate 16 close to the shell 7 is hinged to the other end of the first connecting rod 15, an opening is formed in the protective box 4, the other end of the pedal plate 16 extends out of the protective box 4 through the opening, one end of the second connecting rod 17 is fixedly connected with one end of the pedal plate 16, the second balancing weight 18 is fixedly connected with the other end of the second connecting rod 17, the middle end of the passive ejector rod 10 is hinged to the shell 7, the connecting frame 11 is fixedly connected with one end of the passive ejector rod 10, the first balancing weight 12 is fixedly connected with the other end of the connecting frame 11, and the handle 20 is fixedly connected with one end of the passive ejector rod 10.

Wherein, the shielding component 1 comprises a back plate 19, a blackboard 6, a scroll 23, a screw rod 26, a sliding rod 27, a thread block 25, a pull rod 28, shielding cloth 5, a sliding block 24 and a servo motor 3, the back plate 19 is fixedly arranged at the top of the support column 8, the servo motor 3 is fixedly arranged on the back plate 19, the screw rod 26 is rotatably arranged on the back plate 19, one end of the screw rod 26 is fixedly connected with the output end of the servo motor 3, the sliding rod 27 is fixedly arranged on the back plate 19, the thread block 25 is arranged on the screw rod 26 in a threaded manner, the sliding block 24 is arranged on the sliding rod 27 in a sliding way, one end of the pull rod 28 is fixedly connected with the thread block 25, the other end of the pull rod 28 is fixedly connected with the sliding block 24, one side of the shielding cloth 5 is fixedly arranged on the pull rod 28, the scroll 23 is rotatably arranged on the back plate 19 and arranged on one side of the blackboard 6, and the other side of the shielding cloth 5 is wound on the scroll 23.

Tooth grooves 9 are formed in the supporting columns 8, and the driving ejector rod 13 and the driven ejector rod 10 correspond to the tooth grooves 9.

The lower side of the protective box 4 is fixedly provided with universal wheels 21.

And the universal wheel 21 is provided with a brake block.

When the device is used, firstly, the device is lowered into a classroom by using the universal wheels 21, then the lifting component 2 is adjusted, in the process, firstly, the pedal plate 16 is stepped, the pedal plate 16 pulls the first connecting rod 15 to move downwards, the first connecting rod 15 drives one end of the lever 14 to move downwards, at the moment, the other end of the lever 14 tilts, the other end of the lever 14 drives the driving ejector rod 13 to ascend, at the moment, the driving ejector rod 13 can jack up the supporting column 8, the pedal plate 16 drives the second connecting rod 17 to move while being stepped, the second connecting rod 17 can lift the second balancing weight 18 upwards, then the pedal plate 16 is loosened, the second balancing weight 18 falls under the gravity, the pedal plate 16 is driven to lift up, the pedal plate 16 drives the first connecting rod 15 to move upwards, the second connecting rod 17 drives one end of the lever 14 to move upwards, at the other end of the lever 14 moves downwards, the other end of the lever 14 drives the driving ejector rod 13 to move downwards to a tooth socket 9 at the lower side, when the active push rod 13 pushes up the support column 8, the passive push rod 10 enters into a tooth groove 9 at the lower side, at the moment, the passive push rod 10 fixes the support column 8 to prevent the support column 8 from falling down when the pedal 16 is loosened, if the support column 8 is required to be adjusted to move downwards, the support column 8 falls down due to gravity, at the moment, the spring 22 plays a role of cushioning, after the height adjustment is finished, the lesson can be given, when the answer on the blackboard 6 needs to be shielded, the shielding component 1 is adjusted, in the process, the servo motor 3 is started, the servo motor 3 drives the screw rod 26 to rotate, at the moment, the thread block 25 moves to one side under the action of the thread, the thread block 25 drives the pull rod 28 to move to one side, the pull rod 28 drives the sliding block 24 to move to one side on the sliding rod 27, and the sliding block 24 plays a role of preventing the thread block 25 from rotating along with the screw rod 26, at the same time, the pull rod 28 will drive the shielding cloth 5 to move to one side, and the shielding cloth 5 can shield the answer.

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 utility model, the scope of which is defined in the appended claims and their equivalents. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a teaching device that is fit for primary school's chinese teaching which characterized in that: the lifting assembly is arranged in the protective box, the shielding assembly is arranged on the upper side of the lifting assembly, the lifting assembly comprises a shell, a supporting column, a driving ejector rod, a lever, a first connecting rod, a second connecting rod, a pedal plate, a second balancing weight, a spring, a driven ejector rod, a connecting frame, a handle and a first balancing weight, the supporting column is arranged in the shell, the spring is arranged in the shell and arranged on the lower side of the supporting column, the middle end of the lever is hinged to the shell, the driving ejector rod is hinged to one end of the lever, one end of the first connecting rod is hinged to the other end of the lever, one end of the pedal plate is hinged to the shell, one point of the pedal plate, close to the shell, is hinged to the other end of the first connecting rod, an opening is formed in the protective box, and the other end of the pedal plate extends out of the protective box through the opening, one end of the second connecting rod is fixedly connected with one end of the pedal, the second balancing weight is fixedly connected with the other end of the second connecting rod, the middle end of the passive ejector rod is hinged to the shell, the connecting frame is fixedly connected with one end of the passive ejector rod, the first balancing weight is fixedly connected with the other end of the connecting frame, and the handle is fixedly connected with one end of the passive ejector rod.

2. A teaching device suitable for primary school Chinese teaching according to claim 1, wherein: the shielding assembly comprises a back plate, a blackboard, a scroll, a screw rod, a sliding rod, a threaded block, a pull rod, shielding cloth, a sliding block and a servo motor, wherein the back plate is fixedly arranged at the top of the supporting column, the servo motor is fixedly arranged on the back plate, the screw rod is rotatably arranged on the back plate, one end of the screw rod is fixedly connected with the output end of the servo motor, the sliding rod is fixedly arranged on the back plate, the threaded block is arranged on the screw rod in a threaded mode, the sliding block is slidably arranged on the sliding rod, one end of the pull rod is fixedly connected with the threaded block, the other end of the pull rod is fixedly connected with the sliding block, one side of the shielding cloth is fixedly arranged on the pull rod, the scroll is rotatably arranged on the back plate and is arranged on one side of the blackboard, and the other side of the shielding cloth is wound on the scroll.

3. A teaching device suitable for primary school Chinese teaching according to claim 2, wherein: tooth grooves are formed in the supporting columns, and the driving ejector rod and the driven ejector rod correspond to the tooth grooves.

4. A teaching device suitable for primary school Chinese teaching according to claim 3, wherein: the universal wheel is fixedly arranged on the lower side of the protection box.

5. A teaching device suitable for primary school Chinese teaching according to claim 4, wherein: and the universal wheel is provided with a brake block.