CN214156746U

CN214156746U - English teaching demonstration board

Info

Publication number: CN214156746U
Application number: CN202022676676.6U
Authority: CN
Inventors: 赵方辉
Original assignee: Zhengzhou University of Science and Technology
Current assignee: Zhengzhou University of Science and Technology
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-09-10
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses an english teaching demonstration board relates to teaching equipment technical field, including base, universal wheel and baffle, the well symmetrical rotation of well head of base is connected with the rotor plate, the universal wheel is installed to the bottom of rotor plate, the well lower extreme of rotor plate rotates and is connected with the pneumatic cylinder. Has the advantages that: through the ingenious design of the hydraulic cylinder, the universal wheels, the baffle plates and the rotating plates, the universal wheels can rotate, the universal wheels are separated from the ground, the base can be in contact with the ground, the demonstration plate is not easy to shake when a teacher writes, and the stability of the demonstration plate is improved; through the matching of the circular plate, the large gear and the small gear, the rotating shaft can rotate, so that students can conveniently watch the demonstration board, the stability of the demonstration board can be improved, and teachers can conveniently rotate and write the demonstration board; through the arrangement of the auxiliary blackboard, the sliding group wheels and the long plate, the auxiliary blackboard can be slid when being written, and the occupied space is effectively saved.

Description

English teaching demonstration board

Technical Field

The utility model relates to a teaching equipment technical field especially relates to an english teaching demonstration board.

Background

At present english uses very extensively, all use english in many occasions, english is one of the working language of united states, english also is the most intimate language of contact with the computer, most of programming languages all have the contact with english, and along with the use of network, english use is more popular, no matter at primary school, middle school, university, english all is an important subject, when studying english, to a great extent will use the demonstration board, current demonstration board most is to remove at bottom installation pulley, but the teacher can make the demonstration board remove at will when writing, stability when making the demonstration board write reduces, and when all around having the student, because of the demonstration board is difficult to rotate, can lead to some students not to see, influence the teaching quality, and some demonstration boards occupation space is still big, certain trouble has been brought for teacher and student.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an english teaching demonstration board just in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

an English teaching demonstration board comprises a base, universal wheels and a baffle plate, wherein the upper end of the base is symmetrically and rotatably connected with a rotating plate, the universal wheels are installed at the bottom end of the rotating plate, the middle lower end of the rotating plate is rotatably connected with a hydraulic cylinder, the other end of the hydraulic cylinder is rotatably connected with the middle part of the base, an electric push rod is fixedly connected with the upper end central position of the base, a rotating device is fixedly connected with the other end of the electric push rod and comprises a circular plate, a fixed plate and a small gear, the extending end of the electric push rod is fixedly connected with the bottom central position of the circular plate, the periphery of the upper end of the circular plate is uniformly and fixedly connected with the fixed plate, the lower end of the fixed plate is provided with the small gear, the central position of the circular plate is connected with a rotating shaft through a bearing, the other end of the rotating shaft is fixedly connected with a main blackboard, and the rotating shaft is sleeved with a large gear, the main gear is meshed with the small gear, one side of the back of the main blackboard is symmetrically and fixedly connected with an elongated plate, the elongated plate is connected with a sliding group wheel through a groove in a sliding mode, and the sliding group wheel is fixedly connected with the auxiliary blackboard.

Preferably, there are four pinions.

Preferably, a small box is arranged at the lower end of one side of the main blackboard, which is far away from the auxiliary blackboard.

Preferably, the middle part of one side of the auxiliary blackboard, which is far away from the main blackboard, is provided with an armrest.

Preferably, the number of the sliding wheel sets is two.

Has the advantages that: through the ingenious design of the hydraulic cylinder, the universal wheels, the baffle plates and the rotating plates, the universal wheels can rotate, the universal wheels are separated from the ground, the base can be in contact with the ground, the demonstration plate is not easy to shake when a teacher writes, and the stability of the demonstration plate is improved; through the matching of the circular plate, the large gear and the small gear, the rotating shaft can rotate, so that students can conveniently watch the demonstration board, the stability of the demonstration board can be improved, and teachers can conveniently rotate and write the demonstration board; through the arrangement of the auxiliary blackboard, the sliding group wheels and the long plate, the auxiliary blackboard can be slid when being written, and the occupied space is effectively saved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of an english teaching demonstration board according to the present invention;

fig. 2 is a top view of a rotating device of the english teaching demonstration board of the present invention;

FIG. 3 is a perspective view of the main blackboard and the sub blackboard of the English teaching demonstration board of the present invention;

figure 4 is a perspective view of the long plate of the english teaching demonstration board of the utility model.

The reference numerals are explained below:

1. a base; 2. a universal wheel; 3. a baffle plate; 4. a rotating plate; 5. a hydraulic cylinder; 6. an electric push rod; 7. a rotating device; 701. a circular plate; 702. a fixing plate; 703. a pinion gear; 8. a main blackboard; 801. a capsule; 802. a rotating shaft; 803. a bull gear; 804. an elongated plate; 9. an auxiliary blackboard; 901. a handrail; 902. and (4) sliding the wheels.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings as follows:

as shown in figures 1-4, an English teaching demonstration board comprises a base 1, universal wheels 2 and a baffle 3, wherein the middle upper end of the base 1 is symmetrically and rotatably connected with a rotating plate 4, the upper end of the rotating plate 4 is provided with a through hole, the through hole is sleeved on a cylinder on the base 1, the universal wheels 2 are installed at the bottom end of the rotating plate 4, the universal wheels 2 are used for enabling the demonstration board to move, the middle lower end of the rotating plate 4 is rotatably connected with a hydraulic cylinder 5, the extending end of the hydraulic cylinder 5 is provided with a through hole, the through hole is sleeved with a convex cylinder on the rotating plate 4, so that the rotating plate 4 can rotate upwards under the action of the hydraulic cylinder 5, the other end of the hydraulic cylinder 5 is rotatably connected with the middle part of the base 1, the other end of the hydraulic cylinder 5 is provided with a through hole, the through hole is sleeved with the convex cylinder on the base 1, an electric push rod 6 is, the teacher can write and give lessons conveniently, the other end of the electric push rod 6 is fixedly connected with a rotating device 7, the rotating device 7 can rotate the demonstration board and is convenient for students to watch, the rotating device 7 comprises a circular plate 701, a fixed plate 702 and pinions 703, the extending end of the electric push rod 6 is fixedly connected with the central position of the bottom end of the circular plate 701, the upper end of the circular plate 701 is provided with a groove, the periphery of the upper end of the circular plate 701 is uniformly and fixedly connected with the fixed plate 702, the four fixed plates 702 are uniformly and fixedly distributed at the upper end of the circular plate 701, the lower end of the fixed plate 702 is connected with a cylinder through a bearing, the cylinder is sleeved with the pinions 703, the pinions 703 are installed at the lower end of the fixed plate 702, the central position of the circular plate 701 is connected with a rotating shaft 802 through a bearing, the rotating shaft 802 is used for rotating the main blackboard 8, the other end of the rotating shaft 802 is fixedly connected with the main blackboard 8, and is used for writing, the rotating shaft 802 is sleeved with a large gear 803, the large gear 803 is meshed with the small gear 703, the large gear 803 and the small gear 703 can be matched to rotate the main blackboard 8, simultaneously when writing, can not make main blackboard 8 rotate at will, stability is improved, main blackboard 8's one side symmetry fixedly connected with elongated plate 804 in the back, elongated plate 804 is seted up flutedly, elongated plate 804 has slip group wheel 902 through recess sliding connection, slip group wheel 902 can make vice blackboard 9 slide on elongated plate 804, slip group wheel 902 and vice blackboard 9 fixed connection, vice blackboard 9 is used for writing, pinion 703 is equipped with four, main blackboard 8 keeps away from one side lower extreme of vice blackboard 9 and installs capsule 801, capsule 801 is used for holding blackboard eraser and blackboard eraser, one side mid-mounting that vice blackboard 9 kept away from main blackboard 8 has handrail 901, handrail 901 is convenient for the mr to slide vice blackboard 9, slip wheelset 902 is equipped with two.

The working principle is as follows: when the teacher need give lessons, move the demonstration board to the place of giving lessons, contract pneumatic cylinder 5, make universal wheel 2 upwards rotate, universal wheel 2 slowly leaves ground this moment, until the bottom and the ground contact of base 1, when the teacher gives lessons, hand pull handrail 901, outwards pull vice blackboard 9, give lessons the teacher to take out the chalk from capsule 801 and write, the teacher can write the key on vice blackboard 9, write the example title on main blackboard 8, be convenient for the student to watch, can also rotate main blackboard 8 simultaneously and can make surrounding classmates all can watch, use convenience very simple.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. 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.

Claims

1. The utility model provides an english teaching demonstration board, includes base (1), universal wheel (2) and baffle (3), its characterized in that: the middle-upper end of the base (1) is symmetrically and rotatably connected with a rotating plate (4), universal wheels (2) are installed at the bottom end of the rotating plate (4), a hydraulic cylinder (5) is rotatably connected with the middle-lower end of the rotating plate (4), the other end of the hydraulic cylinder (5) is rotatably connected with the middle of the base (1), an electric push rod (6) is fixedly connected with the central position of the upper end of the base (1), a rotating device (7) is fixedly connected with the other end of the electric push rod (6), the rotating device (7) comprises a circular plate (701), a fixed plate (702) and a pinion (703), the extending end of the electric push rod (6) is fixedly connected with the central position of the bottom end of the circular plate (701), the fixed plate (702) is uniformly and fixedly connected with the periphery of the upper end of the circular plate (701), and the pinion (703) is installed at the lower end of the fixed plate (702), the central point of plectane (701) puts and is connected with axis of rotation (802) through the bearing, the other end fixedly connected with main blackboard (8) of axis of rotation (802), gear wheel (803) have been cup jointed in axis of rotation (802), gear wheel (803) are connected with pinion (703) meshing, the symmetrical fixedly connected with elongated plate (804) in back one side of main blackboard (8), elongated plate (804) have slip group wheel (902) through recess sliding connection, slip group wheel (902) and vice blackboard (9) fixed connection.

2. The English teaching demonstration board of claim 1, wherein: the number of the pinions (703) is four.

3. The English teaching demonstration board of claim 1, wherein: and a small box (801) is arranged at the lower end of one side of the main blackboard (8) far away from the auxiliary blackboard (9).

4. The English teaching demonstration board of claim 1, wherein: the middle part of one side of the auxiliary blackboard (9) far away from the main blackboard (8) is provided with an armrest (901).

5. The English teaching demonstration board of claim 1, wherein: the number of the sliding group wheels (902) is two.