CN213987835U

CN213987835U - English teaching aid that supporting projection equipment used

Info

Publication number: CN213987835U
Application number: CN202120061580.0U
Authority: CN
Inventors: 刘璨
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-08-17
Anticipated expiration: 2031-01-11

Abstract

The utility model provides an english teaching aid that supporting projection equipment used, including support frame and equipment platform, support frame top fixedly connected with blackboard, support frame bottom both sides are all rotated and are connected with adjustment mechanism, and the spout has all been seted up to equipment platform both sides lateral wall bottom, and adjustment mechanism still with spout sliding connection, equipment bench top is seted up flutedly, the inside bottom fixedly connected with elevating system of recess, elevating system top fixedly connected with projecting apparatus, and recess top one side articulates there is sealed lid, and support frame bottom and equipment bench bottom all rotate and are connected with the universal wheel, this scheme: adjust the distance between projecting apparatus and the blackboard through adjustment mechanism, reduce the area of this teaching aid, can place the projecting apparatus in the recess through elevating system, avoid the projecting apparatus to place and cause the damage in external environment, make this teaching aid be convenient for remove through the universal wheel that is equipped with.

Description

English teaching aid that supporting projection equipment used

Technical Field

The utility model belongs to the technical field of teaching aid, concretely relates to english teaching aid that supporting projection equipment used.

Background

Along with scientific and technological high-speed development, the teaching mode is also taking place the change of turning over the world, all be the mr through the blackboard writing in traditional english teaching usually, dictation cooperation projecting apparatus throws the image data and imparts knowledge to students, but traditional projecting apparatus hangs on the roof in classroom, when projection angle takes place the skew, the teacher is not convenient for adjust the projection angle of projecting apparatus, it is big that daily personnel flow in the classroom simultaneously, cause the damage of electronic equipment such as projecting apparatus easily, and current supporting projecting apparatus's teaching aid volume is all great and inconvenient removal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an english teaching aid that supporting projection equipment used aims at solving among the prior art english teaching aid volume great, and the removal of being not convenient for, and traditional projecting apparatus angle regulation not convenient for simultaneously places the problem of damaging easily in the classroom.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an english teaching aid that supporting projection equipment used, includes support frame and equipment platform, its characterized in that: the blackboard is fixedly connected to the top end of the support frame, adjusting mechanisms are rotatably connected to two sides of the bottom end of the support frame, sliding grooves are formed in the bottoms of side walls of two sides of the equipment table, the adjusting mechanisms are also slidably connected with the sliding grooves, a groove is formed in the top end of the equipment table, a lifting mechanism is fixedly connected to the bottom end inside the groove, a projector is fixedly connected to the top end of the lifting mechanism, a sealing cover is hinged to one side of the top end of the groove, connecting frames are fixedly connected to two sides of the top end of the blackboard, the connecting frames are inverted L-shaped, a winding rod is rotatably connected between the two connecting frames through a bearing seat, a driving motor is fixedly connected to the side wall outside the connecting frame through a motor support, an output shaft of the driving motor penetrates through the side wall of the connecting frame and is fixedly connected with one end of the winding rod, and universal wheels are rotatably connected to the bottom end of the support frame and the bottom end of the equipment table, and a switch panel is fixedly connected to the side wall of one side of the equipment table.

In order to make the distance between adjusting device platform and the support frame, as the utility model relates to an it is preferred, adjustment mechanism includes and passes through the dwang that the bearing frame rotates to be connected with support frame bottom lateral wall, the one end and the sleeve pipe fixed connection of dwang, the sleeve pipe cup joints with the telescopic link activity, the telescopic link is located the inside one end fixedly connected with stopper of sleeve pipe, the other end lateral wall of telescopic link rotates and is connected with the connecting rod, connecting rod and slider lateral wall fixed connection, slider and spout sliding connection.

In order to make in going out the recess with the projecting apparatus jacking, as the utility model relates to an it is preferred, elevating system includes two electric putter of fixed connection in the inside bottom of recess, two electric putter's piston rod top fixedly connected with backup pad, backup pad top fixedly connected with damping hinge, damping hinge top and projecting apparatus bottom fixed connection.

In order to make and place the apparatus of teaching in-process, conduct the utility model relates to an it is preferred, thing board is put to the positive bottom fixedly connected with of blackboard.

In order to make this teaching aid normally work, as the utility model relates to an it is preferred, flush mounting plate of switch and external power supply electric connection, electric putter, driving motor and projecting apparatus are respectively through electric putter control switch, driving motor control switch and projecting apparatus control switch and external power supply electric connection on the flush mounting plate of switch.

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

1) through the arrangement of the adjusting mechanism and the lifting mechanism, a teacher can slide and pull out the equipment table in the teaching process, the distance between the projector and the blackboard is adjusted through the adjusting mechanism, the equipment table can be accommodated in the supporting frame through the adjusting mechanism after the teaching is finished, the occupied area of the teaching aid is reduced, the projector can be placed in the groove through the lifting mechanism, the projector is prevented from being placed in an external environment to be damaged, and the teaching aid is convenient to move through the arranged universal wheels;

2) can carry out better protection to the projecting apparatus through being equipped with sealed lid and avoid the projecting apparatus when idle simultaneously, the dust falls into in the recess and deposit at the projecting apparatus surface, influences the normal use of projecting apparatus.

Drawings

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

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

fig. 2 is a schematic structural diagram of an adjusting mechanism in the present invention;

fig. 3 is a schematic sectional structure diagram of an adjusting mechanism in the present invention;

fig. 4 is a schematic view of a sectional structure of an equipment table of the present invention.

In the figure: 1. a support frame; 2. an equipment table; 3. a blackboard; 4. an adjustment mechanism; 41. rotating the rod; 42. a sleeve; 43. a telescopic rod; 44. a limiting block; 45. a connecting rod; 46. a slider; 5. a chute; 6. a groove; 7. a lifting mechanism; 71. an electric push rod; 72. a support plate; 73. a damping hinge; 8. a projector; 9. a sealing cover; 10. a connecting frame; 11. winding the rod; 12. a drive motor; 13. a universal wheel; 14. a switch panel; 15. an object placing plate.

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. 1-4, the present invention provides the following technical solutions: an English teaching aid used with projection equipment comprises a support frame 1 and an equipment platform 2, wherein a blackboard 3 is fixedly connected to the top end of the support frame 1, adjusting mechanisms 4 are rotatably connected to two sides of the bottom end of the support frame 1, sliding grooves 5 are formed in the bottoms of side walls on two sides of the equipment platform 2, the adjusting mechanisms 4 are also slidably connected with the sliding grooves 5, a groove 6 is formed in the top end of the equipment platform 2, a lifting mechanism 7 is fixedly connected to the bottom end inside the groove 6, a projector 8 is fixedly connected to the top end of the lifting mechanism 7, a sealing cover 9 is hinged to one side of the top end of the groove 6, connecting frames 10 are fixedly connected to two sides of the top end of the blackboard 3, the connecting frames 10 are in an inverted L shape, a winding rod 11 is rotatably connected between the two connecting frames 10 through a bearing seat, a driving motor 12 is fixedly connected to the side wall on the outer side of one connecting frame 10 through a motor support, and an output shaft of the driving motor 12 penetrates through the side wall of the connecting frame 10 and is fixedly connected with one end of the winding rod 11, the bottom end of the support frame 1 and the bottom end of the equipment platform 2 are both rotatably connected with universal wheels 13, and the side wall of one side of the equipment platform 2 is fixedly connected with a switch panel 14.

Preferably, adjustment mechanism 4 includes and rotates dwang 41 of being connected through the bearing frame with 1 bottom lateral wall of support frame, dwang 41's one end and sleeve pipe 42 fixed connection, sleeve pipe 42 cup joints with telescopic link 43 activity, telescopic link 43 is located the inside one end fixedly connected with stopper 44 of sleeve pipe 42, telescopic link 43's other end lateral wall rotates and is connected with connecting rod 45, connecting

rod

45 and 46 lateral wall fixed connection of slider,

slider

46 and 5 sliding connection of spout, it is flexible to slide in sleeve pipe 42 through telescopic link 43, adjust the distance between equipment platform 2 and the blackboard 3, stopper 44 through being equipped with, avoid telescopic link 43 to break away from sleeve pipe 42.

Preferably, the lifting mechanism 7 includes two electric push rods 71 fixedly connected to the bottom end inside the groove 6, the top ends of the piston rods of the two electric push rods 71 are fixedly connected with a supporting plate 72, the top end of the supporting plate 72 is fixedly connected with a damping hinge 73, the top end of the damping hinge 73 is fixedly connected to the bottom end of the projector 8, the supporting plate 72 is lifted up from the groove 6 through normal work of the electric push rods 71, the projection height of the projector 8 is adjusted, and the projection angle of the projector 8 is adjusted through adjustment of the damping hinge 73.

Preferably, the bottom fixedly connected with of blackboard 3 front puts thing board 15, places the instrument that the teaching in-process used through putting thing board 15.

Preferably, the switch panel 14 is electrically connected to an external power supply, the electric push rod 71, the driving motor 12 and the projector 8 are electrically connected to the external power supply through an electric push rod control switch, a driving motor control switch and a projector control switch on the switch panel 14, respectively, and the electrical equipment used in the teaching aid is controlled through the switch panel 14.

The working principle is as follows: english teachers pull the equipment table 2 in the English teaching process to enable the telescopic rod 43 to slide and extend out in the sleeve 42, so that the distance between the equipment table 2 and the blackboard 3 is adjusted, the teachers open the driving motor control switch on the switch panel 14 to enable the driving motor 12 to drive the winding rod 11 to rotate, so that the projection screen wound on the winding rod 11 is put down, then the teachers open the sealing cover 9 and then open the electric push rod control switch and the projector control switch on the switch panel 14, the electric push rod 71 works to lift the supporting plate 72 out of the groove 6, then the teachers adjust the angle of the projector 8 projected on the projection screen by adjusting the damping hinge 73, so that students can more clearly observe the projected data on the screen, the English teaching quality is improved, and after the English teaching is finished, the teachers can adjust the electric push rod control switch and the projector control switch on the control panel 14 through the electric push rod control switch and the projector control switch, make electric putter 71's piston rod drive backup pad 72 retract to in recess 6, then the teacher closes sealed lid 9, avoid projecting apparatus 8 to expose in external environment and lead to damaging simultaneously can effectually avoid the deposit dust on projecting apparatus 8, the effectual life who improves projecting apparatus 8, then teacher pushing equipment platform 2, make telescopic link 43 retract to in the sleeve pipe 42, then the teacher makes sleeve pipe 42 rise through rotating sleeve pipe 42, thereby make connecting rod 45 drive slider 46 slide in spout 5 and rise, further draw close the distance between equipment platform 2 and the support frame 1, the area of this teaching aid has greatly reduced, make this teaching aid be convenient for remove through the universal wheel 13 that is equipped with simultaneously.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an english teaching aid that supporting projection equipment used, includes support frame (1) and equipment platform (2), its characterized in that: the blackboard comprises a support frame (1), a blackboard (3) is fixedly connected to the top end of the support frame (1), adjusting mechanisms (4) are rotatably connected to two sides of the bottom end of the support frame (1), sliding grooves (5) are formed in the bottoms of side walls on two sides of an equipment table (2), the adjusting mechanisms (4) are further connected with the sliding grooves (5) in a sliding mode, a groove (6) is formed in the top end of the equipment table (2), a lifting mechanism (7) is fixedly connected to the bottom end inside the groove (6), a projector (8) is fixedly connected to the top end of the lifting mechanism (7), a sealing cover (9) is hinged to one side of the top end of the groove (6), connecting frames (10) are fixedly connected to two sides of the top end of the blackboard (3), the connecting frames (10) are inverted L-shaped, two connecting frames (10) are rotatably connected with a winding rod (11) through a bearing seat, one side wall of the outer side of each connecting frame (10) is fixedly connected with a driving motor (12), the winding device is characterized in that an output shaft of the driving motor (12) penetrates through the side wall of the connecting frame (10) and is fixedly connected with one end of the winding rod (11), the bottom end of the supporting frame (1) and the bottom end of the equipment table (2) are both rotatably connected with universal wheels (13), and the side wall of one side of the equipment table (2) is fixedly connected with a switch panel (14).

2. The english teaching aid that supporting projection equipment used of claim 1, characterized in that: adjustment mechanism (4) include and rotate dwang (41) of being connected through the bearing frame with support frame (1) bottom lateral wall, the one end and sleeve pipe (42) fixed connection of dwang (41), sleeve pipe (42) cup joint with telescopic link (43) activity, telescopic link (43) are located the inside one end fixedly connected with stopper (44) of sleeve pipe (42), the other end lateral wall of telescopic link (43) rotates and is connected with connecting rod (45), connecting rod (45) and slider (46) lateral wall fixed connection, slider (46) and spout (5) sliding connection.

3. The english teaching aid that supporting projection equipment used of claim 1, characterized in that: elevating system (7) are including two electric putter (71) of fixed connection in recess (6) inside bottom, two the piston rod top fixedly connected with backup pad (72) of electric putter (71), backup pad (72) top fixedly connected with damping hinge (73), damping hinge (73) top and projecting apparatus (8) bottom fixed connection.

4. The english teaching aid that supporting projection equipment used of claim 1, characterized in that: the bottom end of the front surface of the blackboard (3) is fixedly connected with an object placing plate (15).

5. The english teaching aid that supporting projection equipment used of claim 3, characterized in that: switch panel (14) and external power supply electric connection, electric putter (71), driving motor (12) and projecting apparatus (8) are respectively through electric putter control switch, driving motor control switch and projecting apparatus control switch and external power supply electric connection on switch panel (14).