CN214123188U

CN214123188U - Combined structure of electronic blackboard for teaching

Info

Publication number: CN214123188U
Application number: CN202120362499.6U
Authority: CN
Inventors: 马志超
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2021-09-03
Anticipated expiration: 2031-02-09

Abstract

The utility model discloses a composite structure of blackboard for teaching, including frame and electronic screen, the both sides inner wall fixedly connected with fixed blackboard of frame, and swing joint has the gyro wheel on the frame of fixed blackboard avris to the tip fixed mounting of gyro wheel has the slip blackboard, a plurality of spacing holes have been seted up to the bottom of frame, and the top inner wall avris of frame is provided with the lifter through the bearing to fixed mounting has the gag lever post on the frame of lifter avris, fixed mounting has the stop collar on the electronic screen of swivel nut avris, the fixed bottom plate that is provided with of bottom inner wall of frame, and the avris of bottom plate passes through the bearing and installs the knob to the tip fixedly connected with bevel gear of knob. This composite structure of electronic blackboard is used in teaching easily adjusts the height of electronic screen, makes things convenient for different height teachers to use, and composite structure's of electronic blackboard stability is strengthened simultaneously, appears removing when avoiding the blackboard to write.

Description

Combined structure of electronic blackboard for teaching

Technical Field

The utility model relates to a teaching technical field specifically is a composite construction of blackboard is used in teaching.

Background

The blackboard is a novel product that appears in masses ' visual field gradually along with scientific and technological development, compares in traditional blackboard and has the advantage such as make the teaching more vivid, can fully attract student's attention and the teaching atmosphere that promotes the classroom, increases mr's teaching efficiency simultaneously, along with the country constantly increases in the input in the aspect of the education, and blackboard can replace traditional blackboard gradually.

However, the existing combination structure of the electronic blackboard has the following problems: due to the fact that teacher heights are different, the height problems of some teachers can cause that the upper portion of the blackboard cannot be fully utilized, the problems of the traditional blackboard are not large, and only writing in the area is not needed, but at present, a lot of electronic blackboards adopt capacitance touch screens, and many teaching programs adopting the electronic blackboards are edited, and are not well adjusted on site, so that high-position contents cannot be selected by the teachers in a normal and convenient touch mode, and limitation of the device is increased; meanwhile, the friction force generated during writing on the blackboard can cause the blackboard to move, so that the blackboard is inconvenient to operate by a single hand of a user, the stability of the device is required to be improved, the stability of the combined structure of the existing electronic blackboard is not enough, the blackboard is easy to move when being written, and the practicability of the device is reduced.

In view of the above problems, it is urgently required to perform an innovative design on the basis of the combined structure of the original electronic blackboard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic blackboard's integrated configuration is used in teaching to solve above-mentioned background art and propose that current electronic blackboard's integrated configuration is difficult for highly adjusting the electronic screen, inconvenient different height teacher uses, has increased the limitation of device, and electronic blackboard's integrated configuration's stability is not enough simultaneously, appears removing when easily leading to the blackboard to write, has reduced the problem of device practicality.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a composite structure of electronic blackboard for teaching, includes frame and electronic screen, the fixed blackboard of both sides inner wall fixedly connected with of frame, and swing joint has the gyro wheel on the frame of fixed blackboard avris to the tip fixed mounting of gyro wheel has the slip blackboard, and the bottom avris fixedly connected with handle of slip blackboard, the cover is equipped with the sleeve pipe on the outer wall of handle simultaneously, a plurality of spacing holes have been seted up to the bottom of frame, and the top inner wall of frame is provided with the lifter through the bearing, and the cover is equipped with the swivel nut on the outer wall of lifter, the avris fixed connection electronic screen of swivel nut simultaneously, the fixed bottom plate that is provided with of bottom inner wall of frame, and the avris of bottom plate passes through the bearing and installs the knob to the equal fixedly connected with bevel gear of tip of knob and lifter.

Preferably, the rollers are symmetrically distributed on the sliding blackboard, and the rollers and the frame are in clamping sliding connection.

Preferably, the handle is connected with the sleeve in a sliding mode, the handle is connected with the sleeve through a return spring, and the sleeve is clamped with the limiting hole.

Preferably, the two ends of the lifting rod are respectively connected with the frame and the bottom plate through bearings to form a rotating structure, and the lifting rod is in threaded connection with the threaded sleeve.

Preferably, fixed mounting has the gag lever post on the frame of lifter avris, fixed mounting has the stop collar on the electronic screen of swivel nut avris, gag lever post and stop collar slide to set up, and the gag lever post symmetric distribution on the frame to gag lever post and stop collar one-to-one distribute.

Compared with the prior art, the beneficial effects of the utility model are that: this composite structure of blackboard for teaching, the easy height to the electronic screen is adjusted, make things convenient for different height teachers to use, the limitation of device has been reduced, the composite structure's of blackboard stability is strengthened simultaneously, remove along the handle through the sleeve pipe, make during the bushing inserts the spacing hole in the frame, stably connect frame and slip blackboard, the phenomenon that the blackboard rocked appears when avoiding teacher or student to write on the blackboard, the practicality of device has been promoted.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is a schematic view of the connection structure of the electronic screen and the position-limiting sleeve of the present invention;

fig. 4 is a schematic view of the side-cut structure of the bottom of the utility model.

In the figure: 1. a frame; 2. fixing the blackboard; 3. a roller; 4. a sliding blackboard; 5. a handle; 6. a sleeve; 7. a return spring; 8. a limiting hole; 9. a lifting rod; 10. a limiting rod; 11. a threaded sleeve; 12. an electronic screen; 13. a limiting sleeve; 14. a base plate; 15. a knob; 16. a bevel gear.

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 a technical solution: a combined structure of an electronic blackboard for teaching comprises a frame 1, fixed blackboards 2, a sliding blackboard 4 and an electronic screen 12, wherein two fixed blackboards 2 are fixedly connected to the inner walls of two sides of the frame 1, rollers 3 are movably connected to the frame 1 at the side edges of the fixed blackboards 2, the sliding blackboards 4 are fixedly installed at the end portions of the rollers 3, as shown in the figure, the rollers 3 are symmetrically distributed on the sliding blackboards 4, the rollers 3 and the frame 1 are in clamping sliding connection, the sliding blackboards 4 can stably move in the frame 1 conveniently, the electronic screen 12 (a GQ-BC-98A type multimedia touch screen can be adopted) is exposed conveniently, a handle 5 is fixedly connected to the side edge at the bottom of the sliding blackboards 4, a sleeve 6 is sleeved on the outer wall of the handle 5, a plurality of limiting holes 8 are formed in the bottom of the frame 1, and particularly, the handle 5 is in sliding connection with the sleeve 6, and handle 5 and sleeve pipe 6 are connected through reset spring 7 to sleeve pipe 6 and spacing hole 8 block set up, reset spring 7 promotes sleeve pipe 6 and stably inserts spacing hole 8 under the no human effect of being convenient for, will slide blackboard 4 location, appear rocking when avoiding sliding blackboard 4 to go up to write.

In order to realize going up and down to electronic screen 12, the teacher who adapts to different statures uses, the top inner wall of frame 1 is provided with lifter 9 through the bearing, and fixed mounting has gag lever post 10 on the frame 1 of lifter 9 avris, and the cover is equipped with swivel nut 11 on the outer wall of lifter 9, the avris fixed connection electronic screen 12 of swivel nut 11 simultaneously, fixed mounting has stop collar 13 on the electronic screen 12 of swivel nut 11 avris, the fixed bottom plate 14 that is provided with of bottom inner wall of frame 1, and knob 15 is installed through the bearing to the avris of bottom plate 14, and the equal fixedly connected with bevel gear 16 of tip of knob 15 and lifter 9. The both ends of lifter 9 are connected formation revolution mechanic through the bearing with frame 1 and bottom plate 14 respectively, and

lifter

9 and 11 threaded connection of swivel nut, gag lever post 10 and stop collar 13 slide the setting, and gag lever post 10 symmetric distribution on frame 1, and

gag lever post

10 and 13 one-to-one distribution of stop collar, bevel gear 16 all has the setting on lifter 9 and knob 15, and bevel gear 16 on the lifter 9 and the knob 15 intermeshing, be convenient for rotate knob 15 and make lifter 9 steady rotation, thereby drive 11 vertical removal of swivel nut, make electronic screen 12 carry out the altitude mixture control, the mr of convenient different heights uses.

The working principle is as follows: when the height of the electronic screen 12 needs to be adjusted, the knob 15 is rotated, the lifting rod 9 is driven to stably rotate through the bevel gear 16, the lifting rod 9 is in threaded connection with the screw sleeve 11, and the limiting rod 10 is in sliding connection with the limiting sleeve 13, so that the screw sleeve 11 drives the electronic screen 12 to vertically move, the vertical height of the electronic screen 12 can be conveniently adjusted, teachers with different heights can conveniently use the electronic screen, students far away from the electronic screen 12 can conveniently watch the electronic screen 12, and the electronic screen 12 is powered by an external power supply through a cable;

as shown in fig. 1 and 4, the sleeve 6 is pushed to move vertically upwards along the handle 5 and separate from the limiting hole 8, the sliding blackboard 4 is connected with the frame 1 through the roller 3 in a relatively rolling manner, the sliding blackboard 4 is conveniently pulled to move through the handle 5 and the sleeve 6, the limiting hole 8 is distributed at the equal interval of the frame 1, so that when the sliding blackboard 4 moves leftwards or rightwards, the sleeve 6 moves to the upper side of the limiting hole 8, the sleeve 6 is loosened, the reset spring 7 pushes the sleeve 6 to be inserted into the limiting hole 8, the sliding blackboard 4 is positioned, and the sliding blackboard 4 is prevented from moving when being written.

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 or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a composite construction of electronic blackboard for teaching, includes frame (1) and electronic screen (12), its characterized in that: the inner walls of the two sides of the frame (1) are fixedly connected with a fixed blackboard (2), the frame (1) at the side of the fixed blackboard (2) is movably connected with a roller (3), a sliding blackboard (4) is fixedly arranged at the end part of the roller (3), a handle (5) is fixedly connected with the side of the bottom of the sliding blackboard (4), meanwhile, the outer wall of the handle (5) is sleeved with a sleeve (6), the bottom of the frame (1) is provided with a plurality of limiting holes (8), and the inner wall of the top part of the frame (1) is provided with a lifting rod (9) through a bearing, moreover, the outer wall of the lifting rod (9) is sleeved with a threaded sleeve (11), the side of the threaded sleeve (11) is fixedly connected with an electronic screen (12), a bottom plate (14) is fixedly arranged on the inner wall of the bottom of the frame (1), a knob (15) is arranged on the side of the bottom plate (14) through a bearing, and the end parts of the knob (15) and the lifting rod (9) are fixedly connected with bevel gears (16).

2. The combination structure of the electronic blackboard for teaching according to claim 1, characterized in that: the rollers (3) are symmetrically distributed on the sliding blackboard (4), and the rollers (3) and the frame (1) are in clamping sliding connection.

3. The combination structure of the electronic blackboard for teaching according to claim 1, characterized in that: handle (5) and sleeve pipe (6) sliding connection, and handle (5) and sleeve pipe (6) are connected through reset spring (7), and sleeve pipe (6) and spacing hole (8) block setting.

4. The combination structure of the electronic blackboard for teaching according to claim 1, characterized in that: the two ends of the lifting rod (9) are respectively connected with the frame (1) and the bottom plate (14) through bearings to form a rotating structure, and the lifting rod (9) is in threaded connection with the threaded sleeve (11).

5. The combination structure of the electronic blackboard for teaching according to claim 1, characterized in that: fixed mounting has gag lever post (10) on frame (1) of lifter (9) avris, fixed mounting has stop collar (13) on electronic screen (12) of swivel nut (11) avris, gag lever post (10) and stop collar (13) slide and set up, and gag lever post (10) symmetric distribution on frame (1) to gag lever post (10) and stop collar (13) one-to-one distribute.