English interactive learning device

Abstract

The utility model discloses an English interactive learning device, which comprises a base and a demonstration board, the top end of the base is provided with a transmission mechanism, the base is slidably connected with a plurality of lifting rods which are symmetrically arranged, the plurality of lifting rods are jointly and fixedly connected with a connected plate, the bottom ends of the plurality of lifting rods are provided with universal wheels, and the bottom ends of the plurality of lifting rods are fixedly connected with the demonstration board. The bottom end of the demonstration board is fixedly connected with symmetrically-arranged first hinge seats, the two first hinge seats are hinged to ejector rods, a sliding groove is formed in the middle of the base, a two-way lead screw is rotatably connected into the sliding groove, symmetrically-arranged moving blocks are slidably connected into the sliding groove, and the two-way lead screw is rotatably connected into the moving blocks. The learning device has the advantages that the universal wheels can be folded conveniently, the stability of the learning device is enhanced, and the learning device is simple in structure, easy to operate and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of English learning, in particular to an English interactive learning device. Background Art

[0002] English is composed of 26 letters, which originated from the Latin alphabet, which originated from the Greek alphabet, which in turn evolved from the Phoenician alphabet. English is an internationally designated official language (as a native language) and is the most widely used language in the world. English contains about 490,000 words, plus about 300,000 technical terms. It is the language with the most vocabulary and has the third largest number of native speakers in the world, second only to Chinese and Spanish.

[0003] The existing patent document with application number 202122969527.3 provides an English interactive learning device, which is provided with a base, a lifting module is fixedly installed on the top of the base, a support frame is provided on the top of the lifting module, and the touch demonstration screen is movably installed on the support frame through the set connection holes and fixing holes. Compared with the traditional interactive learning device with fixed position, the utility model can flexibly adjust the height and move the position, which is convenient for narrowing the distance with the learner. Although the above patent has many beneficial effects, it still has the following shortcomings: the bottom end of the base is balanced and supported by universal wheels. When the demonstration board is raised to a certain height, the support of the universal wheels is still not stable enough, which makes it easy for children to push down the entire learning device when touching the demonstration board, thereby causing accidental injury. In addition, the universal wheels need to be fixed one by one, which is not convenient to operate. Utility Model Content

[0004] The purpose of the utility model is to provide an English interactive learning device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an English interactive learning device, comprising a base and a demonstration board, a transmission mechanism is provided at the top of the base, the base is slidably connected with a plurality of symmetrically arranged lifting rods, a connected plate is fixedly connected between the plurality of lifting rods, a universal wheel is provided at the bottom ends of the plurality of lifting rods, a symmetrically arranged first hinge seat is fixedly connected at the bottom end of the demonstration board, two of the first hinge seats are hinged with top rods, a slide groove is provided at the middle position of the base, a bidirectional screw rod is rotatably connected inside the slide groove, a symmetrically arranged moving block is slidably connected inside the slide groove, the top ends of the two moving blocks are fixedly connected with a second hinge seat, a motor is fixedly installed on one side of the base, and the bidirectional screw rod is fixedly connected with a symmetrically arranged active bevel gear.

[0006] Preferably, the transmission mechanism comprises symmetrically arranged transmission boxes, the bottom ends of the top walls of the two transmission boxes are rotatably connected to a connecting screw, and the bottom ends of the two connecting screws are fixedly connected to a driven bevel gear.

[0007] Preferably, the transmission box in the transmission mechanism is symmetrically fixedly connected to the top of the base, the two driven bevel gears in the transmission mechanism are respectively meshed with the active bevel gears, the two connecting screws in the transmission mechanism are respectively threadedly connected to the connecting plate, and the multiple lifting rods are respectively slidably connected to the inside of the transmission box in the transmission mechanism.

[0008] Preferably, the bottom ends of the two push rods are respectively hinged to the second hinged seat, and the two moving blocks are both threadedly connected to the bidirectional screw rod.

[0009] Preferably, the output end of the motor is fixedly connected to one side of the bidirectional lead screw.

[0010] Preferably, a guide block is fixedly connected to the back wall of the demonstration board, a guide rod is fixedly connected to the top of the base at a position corresponding to the guide block, and the guide rod is slidably connected to the guide block.

[0011] Compared with the prior art, the utility model has the following beneficial effects: a bidirectional screw rod, a linkage screw rod, an active bevel gear, a driven bevel gear, a first hinge seat, a second hinge seat and a push rod, etc. are provided; when the learning device is moved, the demonstration board is in a retracted state, and the retracted demonstration board makes the height of the entire learning device shorter, and the demonstration device has better movement stability; after the movement, the demonstration board and the universal wheel can be moved upward by the linkage of various mechanisms; the retraction of the universal wheel can make the bottom end of the base contact the ground, thereby increasing the stability of the entire learning device; and the utility model has a simple structure, is easy to operate, and is very convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the back main structure of the utility model;

[0014] Figure 3 This is a schematic cross-sectional view of the transmission box of the utility model;

[0015] Figure 4 It is a schematic diagram of the cross-sectional structure of the base of the utility model.

[0016] In the figure: 1. base; 2. demonstration board; 3. transmission mechanism; 31. transmission box; 32. linkage screw; 33. driven bevel gear; 4. lifting rod; 5. connected plate; 6. universal wheel; 7. first articulated seat; 8. push rod; 9. slide groove; 10. bidirectional screw; 11. moving block; 12. second articulated seat; 13. motor; 14. active bevel gear; 15. guide block; 16. guide rod. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-4 The utility model provides a technical solution: an English interactive learning device, including a base 1 and a demonstration board 2. A transmission mechanism 3 is provided at the top of the base 1. The base 1 is slidably connected with a plurality of lifting rods 4 that are symmetrically arranged. A connected plate 5 is fixedly connected between the plurality of lifting rods 4. Universal wheels 6 are provided at the bottom ends of the plurality of lifting rods 4. A symmetrically arranged first hinge seat 7 is fixedly connected to the bottom end of the demonstration board 2. Both of the two first hinge seats 7 are hinged with a top rod 8. A slide groove 9 is provided at the middle position of the base 1. A bidirectional screw rod 10 is rotatably connected inside the slide groove 9. A symmetrically arranged moving block 11 is slidably connected inside the slide groove 9. The top ends of the two moving blocks 11 are fixedly connected with a second hinge seat 12. A motor 13 is fixedly installed on one side of the base 1. The bidirectional screw rod 10 is fixedly connected with a symmetrically arranged active bevel gear 14.

[0019] Furthermore, the transmission mechanism 3 includes symmetrically arranged transmission boxes 31 , the bottom ends of the top walls of the two transmission boxes 31 are rotatably connected to the linking screws 32 , and the bottom ends of the two linking screws 32 are fixedly connected to the driven bevel gears 33 .

[0020] Furthermore, the transmission box 31 in the transmission mechanism 3 is symmetrically fixedly connected to the top of the base 1, the two driven bevel gears 33 in the transmission mechanism 3 are respectively meshed with the active bevel gear 14, the two connecting screws 32 in the transmission mechanism 3 are respectively threadedly connected to the connected plate 5, and the multiple lifting rods 4 are respectively slidably connected to the inside of the transmission box 31 in the transmission mechanism 3, the active bevel gear 14 is convenient for driving the driven bevel gear 33 to rotate, and the connecting screw 32 is convenient for driving the connected plate 5 to move.

[0021] Furthermore, the bottom ends of the two top rods 8 are respectively hinged to the second hinged seats 12 , and the two moving blocks 11 are both threadedly connected to the bidirectional screw rod 10 , which facilitates the moving blocks 11 to move.

[0022] Furthermore, the output end of the motor 13 is fixedly connected to one side of the bidirectional screw rod 10 , so that the motor 13 can easily drive the bidirectional screw rod 10 to move.

[0023] Furthermore, a guide block 15 is fixedly connected to the back wall of the demonstration board 2, and a guide rod 16 is fixedly connected to the top of the base 1 at a position corresponding to the guide block 15. The guide rod 16 is slidably connected to the guide block 15, and the guide rod 16 and the guide block 15 can guide the movement of the demonstration board 2.

[0024] Specifically, when the utility model is used, the entire learning device can be moved by the universal wheel 6. After the movement is completed, the learning device needs to be adjusted to the use state, at this time, the motor 13 drives the bidirectional screw rod 10 to rotate, the bidirectional screw rod 10 drives the two active bevel gears 14 to rotate, the two active bevel gears 14 will drive the driven bevel gears 33 to rotate, the two driven bevel gears 33 will drive the interlocking screw rods 32 to rotate, the two interlocking screw rods 32 will drive the connected plate 5 to move upward, the connected plate 5 will drive the lifting rod 4 and the universal wheel 6 to move upward, at this time the bottom The bottom end of the seat 1 will slowly touch the ground, and at the same time, the bidirectional screw rod 10 will also drive the two moving blocks 11 to move toward the middle direction at the same time. The movement of the two moving blocks 11 will drive the second hinge seat 12 to move. The movement of the second hinge seat 12 will cause the push rod 8 to slowly change from an inclined state to a vertical state. At this time, the push rod 8 will lift the demonstration board 2 through the first hinge seat 7. The movement of the demonstration board 2 is guided by the guide rod 16 and the guide block 15. At this time, the learning device is adjusted, and the moving rate of the moving block 11 is greater than the moving rate of the connected board 5.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An English interactive learning device, characterized in that: The invention comprises a base (1) and a demonstration board (2), wherein a transmission mechanism (3) is provided at the top of the base (1), the base (1) is slidably connected to a plurality of symmetrically arranged lifting rods (4), a connected plate (5) is fixedly connected between the plurality of lifting rods (4), a universal wheel (6) is provided at the bottom of the plurality of lifting rods (4), a symmetrically arranged first hinge seat (7) is fixedly connected at the bottom of the demonstration board (2), two first hinge seats (7) are hinged to a top rod (8), a slide groove (9) is provided at the middle position of the base (1), a bidirectional screw rod (10) is rotatably connected inside the slide groove (9), a symmetrically arranged moving block (11) is slidably connected inside the slide groove (9), and the tops of the two moving blocks (11) are fixedly connected to a second hinge seat (12), a motor (13) is fixedly installed on one side of the base (1), and the bidirectional screw rod (10) is fixedly connected to a symmetrically arranged active bevel gear (14).

2. An English interactive learning device according to claim 1, characterized in that: The transmission mechanism (3) comprises a symmetrically arranged transmission box (31), the bottom ends of the top walls of the two transmission boxes (31) being rotatably connected to a linkage screw rod (32), and the bottom ends of the two linkage screw rods (32) being fixedly connected to a driven bevel gear (33).

3. The English interactive learning device according to claim 1, characterized in that: The transmission box (31) in the transmission mechanism (3) is symmetrically fixedly connected to the top of the base (1); the two driven bevel gears (33) in the transmission mechanism (3) are respectively meshed with the driving bevel gear (14); the two linked screw rods (32) in the transmission mechanism (3) are respectively threadedly connected to the connecting plate (5); and the plurality of lifting rods (4) are respectively slidably connected to the inside of the transmission box (31) in the transmission mechanism (3).

4. The English interactive learning device according to claim 1, characterized in that: The bottom ends of the two top rods (8) are respectively hinged to the second hinge seat (12), and the two moving blocks (11) are both threadedly connected to the bidirectional screw rod (10).

5. The English interactive learning device according to claim 1, characterized in that: The output end of the motor (13) is fixedly connected to one side of the bidirectional lead screw (10).

6. The English interactive learning device according to claim 1, characterized in that: A guide block (15) is fixedly connected to the back wall of the demonstration board (2), and a guide rod (16) is fixedly connected to the top of the base (1) at a position corresponding to the guide block (15), and the guide rod (16) is slidably connected to the guide block (15).

Images