CN209746865U - Demonstration board for English teaching - Google Patents

Abstract

The utility model discloses a demonstration board for English teaching, which comprises two bases, wherein first grooves are formed at two ends of the two bases, first rotating shafts are fixedly arranged on two sides of the inner walls of the four first grooves, one ends of the eight first rotating shafts are respectively rotatably connected with one ends of two sides of four connecting rods, supporting rods are fixedly arranged at the bottoms of the four connecting rods, and sucking discs are fixedly arranged at the bottoms of the four supporting rods; because the one end of backup pad one side and electric telescopic handle's flexible end fixed connection, consequently conveniently adjust around the demonstration board in the backup pad, make things convenient for the position at rear to watch, and electric hydraulic cylinder can adjust the height of demonstration board, can adjust the demonstration angle of demonstration board through the rotation.

Description

Demonstration board for English teaching

Technical Field

The utility model relates to a demonstration board, in particular to demonstration board of english teaching usefulness belongs to english teaching technical field.

Background

The teaching board is a board placed in a classroom or a meeting room, and is used for writing contents with chalk or a water-based pen to play a role in explaining and demonstrating.

Among the prior art, the universal wheel that the base bottom was equipped with, the demonstration board is unset, influences the stability of demonstration to and demonstration board rigidity, the classmate of each position in inconvenient classroom watches.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a demonstration board of english teaching usefulness to solve the not fixed problem of position adjustment and demonstration board that can not put forward in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a demonstration board for English teaching comprises two bases, wherein two ends of each base are respectively provided with a first groove, two sides of the inner wall of each first groove are respectively fixedly provided with a first rotating shaft, one end of each first rotating shaft is respectively rotatably connected with one end of each of two sides of four connecting rods, the bottom ends of the four connecting rods are respectively fixedly provided with a supporting rod, the bottom ends of the four supporting rods are respectively fixedly provided with a sucking disc, one side of each base is respectively provided with a first sliding groove, the two first sliding grooves are respectively in sliding connection with two first sliding blocks, the two first sliding blocks are respectively fixedly arranged at two ends of a supporting plate, one end of one side of each base is fixedly provided with an electric telescopic rod, the telescopic end of each electric telescopic rod is fixedly connected with one end of one side of the supporting plate, the top end of the supporting plate is provided with a second groove, and the bottom end of the inner wall of the second, the second sliding chute is connected with a second sliding block in a sliding way, the second sliding block is fixedly arranged at the bottom end of the connecting plate, a second rotating shaft is fixedly arranged at the top end of the connecting plate, the top end of the second rotating shaft is rotatably connected with the bottom end of the electric hydraulic cylinder, the output end of the electric hydraulic cylinder is fixedly connected with the middle part of the bottom end of the display board, the top end of the display board is provided with a third chute, the third chute is connected with a third slide block in a sliding way, the third slide block is fixedly arranged at the bottom end of the connecting block, two sides of the connecting block are respectively and fixedly connected with the top parts of one sides of the two transverse plates, a control panel is fixedly arranged at the bottom of one side of the display board, an electric telescopic rod switch and an electric hydraulic cylinder switch are fixedly arranged on the surface of the control panel, the electric telescopic rod and the electric hydraulic cylinder are respectively electrically connected with an external power supply through an electric telescopic rod switch and an electric hydraulic cylinder switch.

As a preferred technical scheme of the utility model, two the both sides of base bottom are all fixed and are equipped with the supporting leg, the bottom mounting of supporting leg is equipped with the universal wheel.

As a preferred technical scheme of the utility model, two the both ends of base one side are all fixed and are equipped with the fixed plate, four the fixed plate top is all articulated to be equipped with the buckle, four one side of buckle bottom is all fixed and is equipped with fixture block, four the fixture block is connected with four draw-in groove blocks respectively, and four the both sides on base top are seted up respectively to the draw-in groove.

As a preferred technical scheme of the utility model, two the third recess has been seted up to the bottom of diaphragm opposite side, the top of third recess inner wall both sides is all fixed and is equipped with the third pivot, two the one end of third pivot is rotated with the one end of long both sides respectively and is connected.

As an optimized technical scheme of the utility model, the middle part of show board one side is fixed and is equipped with the handrail hand.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a demonstration board for English teaching, which has the advantages that four suckers are arranged at the bottom ends of two bases, so that the demonstration board can play a stable role when the two bases are fixed, and avoids the deviation in the demonstration process; because one end of one side of the supporting plate is fixedly connected with the telescopic end of the electric telescopic rod, the demonstration plate on the supporting plate can be conveniently adjusted back and forth, the rear position can be conveniently watched, the electric hydraulic cylinder can adjust the height of the demonstration plate, and the demonstration angle of the demonstration plate can be adjusted through rotation; through the connecting block that is equipped with in the china east of demonstration board top, and the fixed clean board that is equipped with in the both sides of connecting block, can be quick erase the inside of demonstration board.

drawings

Fig. 1 is a schematic structural view of the present invention;

Fig. 2 is a schematic view of the supporting structure of the present invention.

In the figure: 1. a base; 2. a connecting rod; 3. a support bar; 4. a suction cup; 5. a support plate; 6. an electric hydraulic cylinder; 7. a display board; 8. connecting blocks; 9. a transverse plate; 10. a third groove; 11. a long handle; 12. a second groove; 13. a connecting plate; 14. an electric telescopic rod; 15. a fixing plate; 16. a first groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a demonstration board for english teaching, which comprises two bases 1, wherein two ends of the two bases 1 are respectively provided with a first groove 16, two sides of the inner wall of the four first grooves 16 are respectively fixedly provided with a first rotating shaft, one end of each of eight first rotating shafts is respectively rotatably connected with one end of two sides of the four connecting rods 2, the bottom ends of the four connecting rods 2 are respectively fixedly provided with a supporting rod 3, the bottom ends of the four supporting rods 3 are respectively fixedly provided with a sucking disc 4, one side of the two bases 1 is respectively provided with a first sliding chute, the two first sliding chutes are respectively slidably connected with two first sliding blocks, the two first sliding blocks are respectively fixedly arranged at two ends of a supporting plate 5, one end of one side of the bases 1 is fixedly provided with an electric telescopic rod 14, the telescopic end of the electric telescopic rod 14 is fixedly connected with one end of one side of the supporting plate 5, the bottom end of the inner wall of the second groove 12 is provided with a second chute which is connected with a second slide block in a sliding way, the second slide block is fixedly arranged at the bottom end of a connecting plate 13, the top end of the connecting plate 13 is fixedly provided with a second rotating shaft, the top end of the second rotating shaft is rotatably connected with the bottom end of an electric hydraulic cylinder 6, the output end of the electric hydraulic cylinder 6 is fixedly connected with the middle part of the bottom end of a display board 7, the top end of the display board 7 is provided with a third chute which is connected with a third slide block in a sliding way, and the fixed bottom that sets up at connecting block 8 of third slider, the both sides of connecting block 8 respectively with the top fixed connection of two diaphragm 9 one sides, the fixed control panel that is equipped with in bottom of 7 one sides of show board, control panel's fixed surface is equipped with electric telescopic handle switch and electric hydraulic cylinder switch, electric telescopic handle 14 and electric hydraulic cylinder 6 are respectively through electric telescopic handle switch and electric hydraulic cylinder switch and external power supply electric connection.

Preferably, the both sides of two base 1 bottoms are all fixed and are equipped with the supporting leg, and the bottom mounting of supporting leg is equipped with universally, conveniently removes base 1.

Preferably, the fixed plate 15 is all fixed at the both ends of two base 1 one sides, and four 15 tops of fixed plate all articulate and are equipped with the buckle, and one side of four buckle bottoms is all fixed and is equipped with the fixture block, and four fixture blocks are connected with four draw-in groove blocks respectively, and just four draw-in grooves set up respectively in the both sides on base 1 top, in sucking disc 4 unable adjustment base 1, stabilize fixed articulated connecting rod 2.

Preferably, the bottom of two diaphragm 9 opposite sides has seted up third recess 10, and the top of the inner wall both sides of third recess 10 all is fixed and is equipped with the third pivot, and the one end of two third pivots rotates with the one end of long 11 both sides respectively and is connected, makes things convenient for the teacher to spur the removal of diaphragm 9.

Preferably, the middle part of show board 7 one side is fixed and is equipped with the handrail hand, and the teacher of being convenient for rotates show board 7.

When specifically using, the utility model relates to a demonstration board of english teaching usefulness, when fixing two bases 1, rotate connecting rod 2, hold ground with the sucking disc 4 of four bracing pieces 3 bottoms, then withhold connecting rod 2 with the buckle on fixed plate 15 top, then open the electric telescopic handle switch, electric telescopic handle 14's flexible end drives 5 back-and-forth movements of backup pad, make things convenient for the classmate of different positions to watch, can adjust the angle of show board 7 through rotatory show board 7, make things convenient for the classmate on both sides to watch, open the electric hydraulic cylinder switch, electric hydraulic cylinder 6 can stretch high show board 7's height, take out long 11 from the inside of third recess 10, then can stimulate diaphragm 9 and clear up the impurity on the show board 7.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A demonstration board for English teaching comprises two bases (1) and is characterized in that two ends of each of the two bases (1) are respectively provided with a first groove (16), two sides of the inner wall of each of the four first grooves (16) are respectively and fixedly provided with a first rotating shaft, one end of each of eight first rotating shafts is respectively and rotatably connected with one end of each of two sides of four connecting rods (2), the bottom ends of the four connecting rods (2) are respectively and fixedly provided with a supporting rod (3), the bottom ends of the four supporting rods (3) are respectively and fixedly provided with a sucking disc (4), one side of each of the two bases (1) is respectively provided with a first sliding chute, the two first sliding chutes are respectively and slidably connected with two first sliding blocks, the two first sliding blocks are respectively and fixedly arranged at two ends of a supporting plate (5), one end of one side of each of the bases (1) is fixedly provided with an electric telescopic, the telescopic end of the electric telescopic rod (14) is fixedly connected with one end of one side of the support plate (5), the top end of the support plate (5) is provided with a second groove (12), the bottom end of the inner wall of the second groove (12) is provided with a second sliding chute, the second sliding chute is in sliding connection with a second sliding block, the second sliding block is fixedly arranged at the bottom end of the connecting plate (13), the top end of the connecting plate (13) is fixedly provided with a second rotating shaft, the top end of the second rotating shaft is rotatably connected with the bottom end of the electric hydraulic cylinder (6), the output end of the electric hydraulic cylinder (6) is fixedly connected with the middle part of the bottom end of the display plate (7), the top end of the display plate (7) is provided with a third sliding chute, the third sliding chute is in sliding connection with a third sliding block, the third sliding block is fixedly arranged at the bottom end of the connecting block (8), and two sides of the connecting block (8) are respectively fixedly, the fixed control panel that is equipped with in bottom of show board (7) one side, control panel's fixed surface is equipped with electric telescopic handle switch and electric hydraulic cylinder switch, electric telescopic handle (14) and electric hydraulic cylinder (6) are respectively through electric telescopic handle switch and electric hydraulic cylinder switch and external power supply electric connection.

2. A demonstration board for english teaching according to claim 1, characterized in that: two the both sides of base (1) bottom all are fixed and are equipped with the supporting leg, the bottom mounting of supporting leg is equipped with the universal wheel.

3. A demonstration board for english teaching according to claim 1, characterized in that: two the both ends of base (1) one side are all fixed and are equipped with fixed plate (15), four fixed plate (15) top is all articulated to be equipped with the buckle, four one side of buckle bottom is all fixed and is equipped with the fixture block, four the fixture block is connected with four draw-in groove blocks respectively, and four the both sides on base (1) top are seted up respectively to the draw-in groove.

4. A demonstration board for english teaching according to claim 1, characterized in that: and a third groove (10) is formed in the bottom of the other side of the two transverse plates (9).

5. A demonstration board for english teaching according to claim 1, characterized in that: and a handrail is fixedly arranged in the middle of one side of the display board (7).

6. The demonstration board for English teaching according to claim 4, wherein: and third rotating shafts are fixedly arranged at the tops of two sides of the inner wall of the third groove (10), and one ends of the two third rotating shafts are respectively and rotatably connected with one ends of two sides of the long handle (11).