CN206383713U

CN206383713U - A kind of English teaching board

Info

Publication number: CN206383713U
Application number: CN201621297629.8U
Authority: CN
Inventors: 毛反骄
Original assignee: Changsha Medical University
Current assignee: Changsha Medical University
Priority date: 2016-11-30
Filing date: 2016-11-30
Publication date: 2017-08-08
Anticipated expiration: 2026-11-30

Abstract

The utility model discloses an English teaching board, which comprises a base, the top of the base is fixedly connected with a protection box, the bottom of the inner cavity of the protection box is fixedly connected with a bearing seat, and the shaft center of the bearing seat is movably connected with a The first screw rod, and the top of the first screw rod runs through the protection box and extends to the outside of the protection box. axis of rotation. The utility model achieves the effect that the electric telescopic rod drives the movable rod to go up and down through the cooperation of the electric telescopic rod and the movable rod, and achieves the effect that the movable rod rotates to drive the rotating shaft through the cooperation of the rotating shaft and the movable rod. The cooperation of the first screw rod achieves the effect of adjusting the rotation of the second screw rod, thereby driving the sleeve tube to rise and fall. At the same time, the teaching board follows the sleeve tube to lift and adjust the height of the teaching board, which brings convenience to the teacher and improves the teaching efficiency.

Description

A kind of English teaching board

Technical field

The utility model is related to English teaching aid technical field, specially a kind of English teaching board.

Background technology

While continuous improvement with living standard, level of education is also in continuous improve, and its English is must can not One of few subject, board of education is one of necessary equipment that can be less again during taking lessons in English, so as to utilize teaching Plate carries out teaching closely to the student under dais, so that ensure quality of instruction, but now used board of education is most all It is fixed, the height of each teacher is different, but unadjustable board of education height, being taught to teacher makes troubles, so that Reduce teaching efficiency.

Utility model content

The purpose of this utility model is to provide a kind of English teaching board possess adjustable height, improve teaching efficiency Advantage, solves highly unadjustable, the problem of reducing teaching efficiency.

To achieve the above object, the utility model provides following technical scheme：A kind of English teaching board, including base, institute State and guard box is fixedly connected with the top of base, the bottom of the protection box cavity is fixedly connected with bearing block, the bearing block Axle center at be connected with the first screw mandrel, and the first screw mandrel top is through guard box and extends to the outside of guard box, institute The middle part on the left of protection box cavity is stated to be fixedly connected with the first fixing axle, the axle center of first fixing axle and be connected with rotation Rotating shaft, the surface of the rotary shaft is fixedly connected with the second screw mandrel, and second screw mandrel is connected with the first screw rod transmission, described to protect The second fixing axle is fixedly connected with the right side of protecting box inner chamber, and the left side of the second fixing axle is flexibly connected with the right-hand member of rotary shaft, Rotating shaft is provided with the right side of the guard box, the left end of the rotating shaft through guard box and fixes company with the right side of the second fixing axle Connect, the right-hand member of the rotating shaft, which is fixedly connected with the right side of swivel mount, the base top, is fixedly connected with electric expansion bar, described It is fixedly connected with the left of electric expansion bar at the 3rd fixing axle, and the axle center of the 3rd fixing axle and the right-hand member of swivel mount is fixed and connected Connect, the top on the left of the electric expansion bar is fixedly connected with motion bar, the bottom of the motion bar is fixedly connected with fixed mount, The inside of the fixed mount is fixedly connected with cross bar, and the surface activity of the cross bar is connected with connecting rod, and the bottom of connecting rod It is connected with the surface activity of swivel mount, the surface activity that first screw mandrel is located at one end outside guard box is connected with sleeve pipe, institute State and board of education is fixedly connected with the top of sleeve pipe, LED, the top of the board of education are connected with the left of the board of education Chute is offered with bottom, the surface activity of the board of education is connected with wiping stand, and the two ends activity of the wiping stand is even Pulley is connected to, and the bottom that pulley is located on the right side of the inside of chute, the board of education is fixedly connected with storage box, the guard box Controller is fixedly connected with the top of left side, the controller is electrically connected with LED and electric expansion bar respectively.

It is preferred that, the both sides of the base bottom have been fixedly connected with support column, and the bottom of the support column is flexibly connected There is roller.

It is preferred that, the two ends of the wiping stand are connected with pulley, and pulley is located at the inside of chute.

It is preferred that, the surface that the both sides inside the chute are fixedly connected with the top of limited location block, the wiping stand is fixed It is connected with handle.

It is preferred that, the surface of first screw mandrel is fixedly connected with the first screw thread, and the surface of second screw mandrel, which is fixed, to be connected It is connected to the second screw thread used cooperatively with the first screw thread.

Compared with prior art, the beneficial effects of the utility model are as follows：

1st, the utility model has reached that electric expansion bar drives motion bar liter by the cooperation of electric expansion bar and motion bar The effect of drop, by rotating shaft and the cooperation of motion bar, has reached that motion bar rotation drives the effect of axis of rotation, has passed through second The cooperation of bar and the first screw mandrel, reached regulation the second screw mandrel rotation so that drive sleeve pipe lift effect, while board of education with Lifting is reached with sleeve pipe, the height of board of education is adjusted, teaches and brings convenience to teacher, improve teaching efficiency.

2nd, the utility model has reached the convenient effect of Mobile Teaching device, has passed through setting for LED by the setting of roller Put, when having reached that indoor light illuminating effect is not good, the problem of improving lighting quality, by the cooperation of wiping stand and pulley, reaches The effect that chalk writing Convenient scrubber is removed is left to after writing on the teaching board, so as to effectively solve artificial erasing chalk word The problem of mark is inconvenient.

Brief description of the drawings

Fig. 1 is the utility model structural representation；

Fig. 2 is the utility model A-A partial enlargement structural representations.

In figure：1 base, 2 guard boxs, 3 bearing blocks, 4 first screw mandrels, 5 first fixing axles, 6 rotary shafts, 7 second screw mandrels, 8 Second fixing axle, 9 rotating shafts, 10 swivel mounts, 11 electric expansion bars, 12 the 3rd fixing axles, 13 motion bars, 14 fixed mounts, 15 cross bars, 16 connecting rods, 17 sleeve pipes, 18 boards of education, 19LED lamps, 20 chutes, 21 wiping stands, 22 pulleys, 23 storage boxes, 24 controllers, 25 Support column, 26 rollers, 27 batteries, 28 limited blocks, 29 handles.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

Fig. 1-2, a kind of English teaching board, including base 1 are referred to, the both sides of the bottom of base 1 have been fixedly connected with support Post 25, the bottom of support column 25 is connected with roller 26, by the setting of roller 26, has reached that Mobile Teaching device is convenient Effect, the top of base 1 is fixedly connected with guard box 2, and the bottom of the inner chamber of guard box 2 is fixedly connected with bearing block 3, bearing block 3 Axle center at be connected with the first screw mandrel 4, and the first screw mandrel 4 top is through guard box 2 and extends to the outer of guard box 2 Middle part on the left of portion, the inner chamber of guard box 2 is fixedly connected with the first fixing axle 5, the axle center of the first fixing axle 5 and is connected with rotation Rotating shaft 6, the surface of rotary shaft 6 is fixedly connected with the second screw mandrel 7, and the surface of the first screw mandrel 4 is fixedly connected with the first screw thread, second The surface of screw mandrel 7 is fixedly connected with the second screw thread used cooperatively with the first screw thread, and the second screw mandrel 7 and the transmission of the first screw mandrel 4 connect Connect, the second fixing axle 8, and left side and the right-hand member of rotary shaft 6 of the second fixing axle 8 are fixedly connected with the right side of the inner chamber of guard box 2 Be flexibly connected, the right side of guard box 2 is provided with rotating shaft 9, the left end of rotating shaft 9 through guard box 2 and with the right side of the second fixing axle 8 It is fixedly connected, the right-hand member of rotating shaft 9 is fixedly connected with swivel mount 10, and the right side at the top of base 1 is fixedly connected with electric expansion bar 11, The left side of electric expansion bar 11 is fixedly connected with the right side with swivel mount 10 at the 3rd fixing axle 12, and the axle center of the 3rd fixing axle 12 End is fixedly connected, and the top in the left side of electric expansion bar 11 is fixedly connected with motion bar 13, and the bottom of motion bar 13 is fixedly connected with Fixed mount 14, the inside of fixed mount 14 is fixedly connected with cross bar 15, and the surface activity of cross bar 15 is connected with connecting rod 16, and connection The bottom of bar 16 is connected with the surface activity of swivel mount 10, and the surface activity that the first screw mandrel 4 is located at the outside one end of guard box 2 is connected There is sleeve pipe 17, the top of sleeve pipe 17 is fixedly connected with board of education 18, and the left side of board of education 18 is connected with LED 19, passed through The setting of LED 19, when having reached that indoor light illuminating effect is not good, the problem of improving lighting quality, the top of board of education 18 The both sides inside chute 20, chute 20 are offered with bottom and are fixedly connected with limited location block 28, the surface at the top of wiping stand 21 Handle 29 is fixedly connected with, the surface activity of board of education 18 is connected with wiping stand 21, and the two ends of wiping stand 21 are connected with Pulley 22, and pulley 22 is located at the inside of chute 20, the two ends of wiping stand 21 are connected with pulley 22, and pulley 22 is located at The inside of chute 20, by the cooperation of wiping stand 21 and pulley 22, has reached and has left chalk writing after being write in board of education 18 The effect that Convenient scrubber is removed, so that the problem of artificial erasing chalk writing is inconvenient is effectively solved, the bottom on the right side of board of education 18 Be fixedly connected with storage box 23, the top in the left side of guard box 2 is fixedly connected with controller 24, controller 24 respectively with LED 19 It is electrically connected with electric expansion bar 11, by the cooperation of electric expansion bar 11 and motion bar 13, has reached the band of electric expansion bar 11 The effect that dynamic motion bar 13 is lifted, by rotating shaft 9 and the cooperation of motion bar 13, has reached that the rotation of motion bar 13 drives 9 turns of rotating shaft Dynamic effect, by the cooperation of the second screw mandrel 7 and the first screw mandrel 4, has reached that the second screw mandrel 7 of regulation rotates, so as to drive sleeve pipe The effect of 17 liftings, while board of education 18 follows sleeve pipe 17 to reach lifting, adjusts the height of board of education 18, teaches and brings to teacher It is convenient, improve teaching efficiency.

In use, driving motion bar to lift by electric expansion bar 11, rotated while connecting rod 16 is driven by cross bar 15 Frame 10 rotates, and the rotation of the first screw mandrel 4 adjusts the second screw mandrel 7 and rotated simultaneously, so as to drive sleeve pipe 17 to move up, board of education 18 follows set Pipe 17 moves and reaches lifting.

In summary：The English teaching board, passes through base 1, guard box 2, bearing block 3, the first screw mandrel 4, the first fixing axle 5th, rotary shaft 6, the second screw mandrel 7, the second fixing axle 8, rotating shaft 9, swivel mount 10, electric expansion bar 11, the 3rd fixing axle 12, activity Bar 13, fixed mount 14, cross bar 15, the cooperation of connecting rod 16 and sleeve pipe 17 and board of education 18, solve it is highly unadjustable, The problem of reducing teaching efficiency.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims

1. An English teaching board, comprising a base (1), is characterized in that: the top of the base (1) is fixedly connected with a protective box (2), and the bottom of the inner cavity of the protective box (2) is fixedly connected with a bearing seat (3), the axis of the bearing seat (3) is movably connected with a first screw mandrel (4), and the top of the first screw mandrel (4) passes through the protection box (2) and extends to the protection box (2 ), the middle part on the left side of the inner chamber of the protection box (2) is fixedly connected with a first fixed shaft (5), and the axis of the first fixed shaft (5) is movably connected with a rotating shaft (6), The surface of the rotating shaft (6) is fixedly connected with a second threaded mandrel (7), and the second threaded mandrel (7) is connected to the first threaded mandrel (4) in transmission, and the inner chamber of the protection box (2) The right side is fixedly connected with a second fixed shaft (8), and the left side of the second fixed shaft (8) is flexibly connected with the right end of the rotating shaft (6), and the right side of the protection box (2) is provided with a rotating shaft (9 ), the left end of the rotating shaft (9) runs through the protection box (2) and is fixedly connected with the right side of the second fixed shaft (8), the right end of the rotating shaft (9) is fixedly connected with a rotating frame (10), the The right side of the base (1) top is fixedly connected with an electric telescopic rod (11), and the left side of the electric telescopic rod (11) is fixedly connected with a third fixed shaft (12), and the shaft of the third fixed shaft (12) The center is fixedly connected with the right end of the swivel frame (10), the top of the left side of the electric telescopic rod (11) is fixedly connected with a movable rod (13), and the bottom of the movable rod (13) is fixedly connected with a fixed frame (14 ), the inside of the fixed frame (14) is fixedly connected with a crossbar (15), and the surface of the crossbar (15) is movably connected with a connecting rod (16), and the bottom of the connecting rod (16) is connected with the rotating frame ( 10), the surface of the first screw mandrel (4) is movably connected with a sleeve (17) on the surface of the outer end of the protection box (2), and the top of the sleeve (17) is fixedly connected with a teaching board ( 18), the left side of the teaching board (18) is movably connected with an LED light (19), and the top and the bottom of the teaching board (18) are provided with a chute (20), and the teaching board (18) The surface is movably connected with a wiping frame (21), the bottom on the right side of the teaching board (18) is fixedly connected with a storage box (23), and the top on the left side of the protection box (2) is fixedly connected with a controller (24), The top of the base (1) is fixedly connected with a storage battery (27), and the storage battery (27) is located on the left side of the protection box (2), and the controller (24) is connected with the LED lamp (19) and the electric telescopic rod (11) respectively. electrical connection.

2. A kind of English teaching board according to claim 1, characterized in that: both sides of the bottom of the base (1) are fixedly connected with support columns (25), and the bottom of the support column (25) is movably connected Roller (26) is arranged.

3. A kind of English teaching board according to claim 1, is characterized in that: the two ends of described wiping frame (21) are all movably connected with pulley (22), and pulley (22) is positioned at the side of chute (20). internal.

4. A kind of English teaching board according to claim 1, characterized in that: both sides inside the chute (20) are fixedly connected with limit blocks (28), and the surface of the top of the wiping frame (21) Fixed connection has handle (29).

5. A kind of English teaching board according to claim 1, characterized in that: the surface of the first screw mandrel (4) is fixedly connected with the first thread, and the surface of the second screw mandrel (7) is fixedly connected There is a second thread for use with the first thread.