CN210155860U

CN210155860U - Electronic hand lifting device for classroom

Info

Publication number: CN210155860U
Application number: CN201920577659.1U
Authority: CN
Inventors: 李海霞; 马晶
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-03-17
Anticipated expiration: 2029-04-25

Abstract

The utility model discloses a classroom is with electron ware of lifting hands, including the desk desktop, the top outer wall of desk desktop has the mounting panel through bolted connection, and the bottom outer wall of mounting panel passes through the bolted connection casing, the both sides inner wall of connecting the casing rotates through the bearing and is connected with the axis of rotation, and the circumference outer wall of axis of rotation has cup jointed the connecting rod, axis of rotation one end extends to the outside of connecting the casing, and the circumference outer wall of axis of rotation has cup jointed first belt pulley, the bottom outer wall of connecting the casing has step motor through bolted connection, and step motor's output has the rotation axis through bolted connection. The utility model discloses in, be provided with step motor, first belt pulley, second belt pulley, driving belt and axis of rotation, can drive the connecting rod and rotate, make the rubber hand on the connecting rod erect, what make mr can understand sees, avoid classroom order to take place to mix, the mr of being convenient for imparts knowledge to students.

Description

Electronic hand lifting device for classroom

Technical Field

The utility model relates to a teaching equipment technical field especially relates to an electronic ware of lifting hands for classroom.

Background

With the rapid development of information technology, more and more information-based teaching tools gradually enter the teaching process, and the traditional teaching mode cannot meet the education requirements.

Wherein comparatively serious is when the teacher proposes the problem and lets the student hold hands and answer, students often can hold hands together, hold hands in order confusion, the mr is difficult to judge which classmates are at first held hands, and a lot of students are too high because the enthusiasm, still can call the mr at the in-process of holding hands, cause the confusion of classroom order easily, also like the student muddy water of disturbing classroom order to touch the chance of fish in peacetime, be unfavorable for the high efficiency of classroom lecture to go on, consequently in order to make classroom order become good, need use a classroom electron hand lifting device to help the teacher to impart knowledge to students.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing an electronic hand lifting device for classroom, which can effectively solve the problem brought out by the background technology.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electronic hand lifter for classroom comprises a desk top, wherein the top outer wall of the desk top is connected with a mounting plate through a bolt, the bottom outer wall of the mounting plate is connected with a shell through a bolt, the inner walls at two sides of the connecting shell are rotatably connected with a rotating shaft through bearings, the circumferential outer wall of the rotating shaft is sleeved with a connecting rod, one end of the rotating shaft extends to the outside of the connecting shell, a first belt pulley is sleeved on the circumferential outer wall of the rotating shaft, the bottom outer wall of the connecting shell is connected with a stepping motor through a bolt, the output end of the stepping motor is connected with a rotating shaft through a bolt, a second belt pulley is sleeved on the circumferential outer wall of the rotating shaft, the same transmission belt is sleeved on the second belt pulley and the circumferential outer wall of the first belt pulley, a battery groove is arranged on the bottom outer wall of the connecting shell, and, the mounting groove has been seted up to the top outer wall of mounting panel, and the inner wall of mounting groove has the display screen through bolted connection, there is signal transceiver top one side outer wall of mounting panel through the screw connection.

Preferably, the outer wall of one side of the connecting shell is connected with a protective shell through a bolt, and the protective shell is positioned outside the transmission belt.

Preferably, the top opposite side outer wall of mounting panel has hand lifting button and closed button through screwed connection respectively, and the hand lifting button is located the top of closed button.

Preferably, the outer wall of one side of the connecting rod is connected with a rubber hand through a bolt.

Preferably, the outer walls of the four corners of the bottom of the desk top are all connected with supporting legs through bolts.

Preferably, a rectangular groove is formed in the inner wall of one side of the mounting plate, and the inner wall of one side of the rectangular groove is connected with the processor through a bolt.

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

1. through being provided with the mounting panel, the user can fix the electron ware of lifting hands on the desk desktop edge, can reduce the usable floor area who occupies the desk desktop, and easy to assemble and dismantlement are convenient for the student and use.

2. Through being provided with step motor, first belt pulley, second belt pulley, driving belt and axis of rotation, can drive the connecting rod and rotate, make the rubber hand on the connecting rod erect, what make the mr can be clear sees, avoid classroom order to take place to mix, the mr of being convenient for imparts knowledge to students.

3. Through being provided with display screen, treater and signal transceiver, can show the name of the student answering first on the display screen, the student can see the name of answering first of oneself, and mr can then select a name to answer the problem, has improved the enthusiasm that the student answered the problem, has improved the interest that classroom mr and student exchanged.

Drawings

Fig. 1 is a schematic top view of an electronic hand lifter for classroom use according to the present invention;

fig. 2 is a schematic view of a rubber hand working structure of an electronic hand lifter for classroom provided by the utility model;

fig. 3 is a schematic side sectional view of an electronic hand lifter for classroom use according to the present invention;

fig. 4 is a schematic view of a local enlarged structure of the electronic hand lifter for classroom provided by the present invention.

In the figure: the desk comprises a desk desktop 1, a mounting plate 2, a closing key 3, a processor 4, a connecting rod 5, a rotating shaft 6, a first belt pulley 7, a protective shell 8, a transmission belt 9, a second belt pulley 10, a stepping motor 11, a connecting shell 12, supporting legs 13, a display screen 14, a hand lifting key 15, a rubber hand 16, a signal transceiver 17, a rotating shaft 18, a battery groove 19 and a battery cover 20.

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.

Referring to fig. 1-4, an electronic hand lifter for classroom use comprises a desk top 1, the top outer wall of the desk top 1 is connected with a mounting plate 2 through a bolt, the bottom outer wall of the mounting plate 2 is connected with a housing 12 through a bolt, the inner walls of the two sides of the housing 12 are rotatably connected with a rotating shaft 6 through bearings, the circumferential outer wall of the rotating shaft 6 is sleeved with a connecting rod 5, one end of the rotating shaft 6 extends to the outside of the housing 12, the circumferential outer wall of the rotating shaft 6 is sleeved with a first belt pulley 7, the bottom outer wall of the housing 12 is connected with a stepping motor 11 through a bolt, the output end of the stepping motor 11 is connected with a rotating shaft 18 through a bolt, the circumferential outer wall of the rotating shaft 18 is sleeved with a second belt pulley 10, the circumferential outer walls of the second belt pulley 10 and the first belt pulley 7 are sleeved with a same transmission belt 9, and the inner wall of one side of the battery jar 19 is hinged with a battery cover plate 20 through a hinge, the outer wall of the top of the mounting plate 2 is provided with a mounting groove, the inner wall of the mounting groove is connected with a display screen 14 through a bolt, and the outer wall of one side of the top of the mounting plate 2 is connected with a signal transceiver 17 through a bolt.

The utility model discloses in, there is protective housing 8 connecting 12 one side outer wall of casing through bolted connection, and protective housing 8 is located driving belt 9's outside, there are hand lifting key 15 and closed button 3 at the top opposite side outer wall of mounting panel 2 through the screw connection respectively, and hand lifting key 15 is located closed button 3's top, there is rubber hand 16 connecting rod 5 one side outer wall through bolted connection, there is supporting leg 13 bottom four corners outer wall of desk desktop 1 all through bolted connection, the rectangular channel has been seted up to 2 one side inner walls of mounting panel, and there is treater 4 one side inner wall of rectangular channel through bolted connection, treater 4's model is ARM9 TDMI.

The working principle is as follows: in the spare place of the device, all driving parts, which refer to power elements, electric devices and adaptive power supplies, are connected through leads, the specific connection means refers to the following working principle that the electric connection among the electric devices is completed in sequence, the detailed connection means is a known technology in the field, the following main introduces the working principle and process without explaining the electric control, the mounting plate 2 is arranged, a user can fix the electronic hand lifter on the edge of the desk top 1, the occupied use area of the desk top 1 can be reduced, the use by students is convenient, after a teacher brings about a problem in a classroom, when the students see the subtitle for starting the answering on the display screen 14, the students can answer the answer by pressing the hand-lifting button 15, then the processor 4 controls the stepping motor 11 to start, and can drive the connecting rod 5 on the rotating shaft 6 to rotate through the driving belt 9, the rubber hand 16 on the messenger connecting rod 5 is erect, can make seeing that the mr can be clear, avoids classroom order to take place to mix, and the mr of being convenient for imparts knowledge to students, and shows the name of the student answering first on the display screen 14 simultaneously, and the student can see the name of answering first of oneself, and the mr can then select a name to answer the problem, has improved the enthusiasm that the student answered the problem, has improved the interest that classroom mr and student exchanged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an electronic hand lifting device for classroom, includes desk desktop (1), its characterized in that, there are mounting panel (2) top outer wall of desk desktop (1) through bolted connection, and the bottom outer wall of mounting panel (2) passes through bolted connection casing (12), the both sides inner wall of connecting casing (12) is rotated through the bearing and is connected with axis of rotation (6), and the circumference outer wall of axis of rotation (6) has cup jointed connecting rod (5), axis of rotation (6) one end extends to the outside of connecting casing (12), and the circumference outer wall of axis of rotation (6) has cup jointed first belt pulley (7), there are step motor (11) bottom outer wall of connecting casing (12) through bolted connection, and there is rotation axis (18) through bolted connection in the output of step motor (11), the circumference outer wall of rotation axis (18) has cup jointed second belt pulley (10), and the circumference outer wall of second belt pulley (10) and first belt pulley (7) has cup jointed same driving belt (9), battery jar (19) have been seted up to the bottom outer wall of connecting casing (12), and battery jar (19) one side inner wall has battery apron (20) through the hinge, the mounting groove has been seted up to the top outer wall of mounting panel (2), and the inner wall of mounting groove has display screen (14) through bolted connection, there is signal transceiver (17) top one side outer wall of mounting panel (2) through the screw connection.

2. An electronic hand lifter for classroom use according to claim 1, wherein the protective housing (8) is connected to the outer wall of one side of the connecting housing (12) through a bolt, and the protective housing (8) is located outside the transmission belt (9).

3. The electronic hand lifter for the classroom according to claim 2, wherein the outer wall of the other side of the top of the mounting plate (2) is connected with a hand lifting key (15) and a closing key (3) through screws respectively, and the hand lifting key (15) is located above the closing key (3).

4. A classroom electronic hand lifter according to claim 3, wherein a rubber hand (16) is connected to the outer wall of one side of the connecting rod (5) through a bolt.

5. The electronic hand lifter for the classroom according to claim 4, wherein the outer walls of the four corners of the bottom of the desk top (1) are all connected with supporting legs (13) through bolts.

6. The electronic hand lifter for the classroom according to claim 5, wherein the inner wall of one side of the mounting plate (2) is provided with a rectangular groove, and the inner wall of one side of the rectangular groove is connected with the processor (4) through a bolt.