CN210804912U

CN210804912U - Rotatable show shelf is used in teaching

Info

Publication number: CN210804912U
Application number: CN201921685141.6U
Authority: CN
Inventors: 贾晓青; 王志超
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-06-19
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a rotatable showing stand for teaching, which relates to the technical field of teaching appliances, and comprises a box body, wherein a containing cavity is arranged inside the box body, two electric push rods are symmetrically arranged at the bottom of the containing cavity, a movable plate is fixed at the top ends of the two electric push rods and can lift along the inside of the containing cavity, a rotating groove is arranged inside the movable plate, a rotating block is movably connected inside the rotating groove, a showing frame is arranged at the top end of the rotating block, and a motor is fixedly connected at one side inside the showing frame through a fixed rod, the utility model realizes the containing of the showing frame through the arrangement of the electric push rods and the movable plate under the action of a sliding block and a sliding groove, greatly reduces the occupied space of the showing stand, is favorable for the storage of the showing stand, and simultaneously avoids the dust accumulation of teaching appliances due to the exposure outside, need not the clearance before the use to be convenient for the recycle of teaching aid.

Description

Rotatable show shelf is used in teaching

Technical Field

The utility model belongs to the technical field of the teaching aid, concretely relates to rotatable show shelf is used in teaching.

Background

The teaching aid is a general name of various appliances used by students for enabling the students to visually and vividly understand teaching contents and appliances used by teachers during teaching, and is called teaching aid for short, and the teaching aid can improve the learning interest of the students, enrich perceptual knowledge, help to form clear concepts and develop the observation ability and thinking ability of the students. In the teaching process, often need cooperate the show in kind, explain the knowledge point to in order to the student understands deeply, consequently the show shelf is often used for the support that shows in kind, so that the student watches.

But the rotatable show shelf for teaching on the existing market still has certain defect in the use, if the show shelf can not receive and fold, it is big to occupy the space, is not convenient for deposit, and leads to teaching aid to expose the outside easily and collect together the dust, still needs the deashing during the use, complex operation, the show shelf can not adjust in addition, the show angle is fixed, can not show the material object under the different states, the practicality is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotatable show shelf is used in teaching to the show shelf that proposes in solving above-mentioned background art can not receive and fold, and it is big to occupy the space, is not convenient for deposit, and leads to the teaching aid to expose the outside easily and collect together the dust, and the show shelf can not adjust in addition, can not carry out the problem of show to the material object under the different states.

In order to achieve the above object, the utility model provides a following technical scheme: a rotatable display rack for teaching comprises a box body, wherein a storage cavity is formed in the box body, two electric push rods are symmetrically installed at the bottom of the storage cavity, a movable plate is fixed at the top ends of the two electric push rods and can lift along the interior of the storage cavity, a rotating groove is formed in the movable plate, a rotating block is movably connected inside the rotating groove, a display frame is installed at the top end of the rotating block, a motor is fixedly connected to one side of the interior of the display frame through a fixed rod, a winding rod is rotatably connected to the bottom end of the motor, a sliding plate is horizontally arranged in the display frame, a movable block is placed on the upper surface of the sliding plate, a spring dynamometer is hung on one side, adjacent to the winding rod, of the movable block through a hook, one end of the spring dynamometer, opposite to the movable block, is connected with the winding rod through a winding rope, and a storage battery is fixed at the bottom of the, the front surface of box still installs the control switch with battery electric connection, motor and electric putter all with control switch electric connection.

Preferably, one end of the sliding plate adjacent to the motor is rotatably connected with the display frame through a hinge block, the other end of the sliding plate is rotatably connected with a screw rod through the hinge block, and the bottom end of the screw rod is in threaded connection with a screw cylinder which is rotatably connected with the movable plate.

Preferably, the sliding blocks are symmetrically installed at two ends of the moving plate, and sliding grooves matched with the sliding blocks are symmetrically formed in two sides of the inner wall of the box body, so that the moving plate can slide and lift in the box body through the sliding blocks and the sliding grooves.

Preferably, four corners of bottom half all install and remove the wheel, and four remove the wheel and be universal auto-lock wheel.

Preferably, the opposite corners of the two sliding blocks relative to one end of the moving plate are in arc chamfering transition to form an arc part with a smooth surface wall.

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

(1) the utility model discloses a setting of electric putter and movable plate simultaneously under the effect of slider and spout, realizes accomodating of show frame, has reduced the occupation space of show shelf widely, is favorable to depositing of show shelf, avoids teaching aid to expose externally and save the dust simultaneously, need not the clearance before the use to the recycling of the teaching aid of being convenient for.

(2) The utility model discloses a articulate in the setting of slide and screw rod and the barrel of show frame inner wall, realize at the experiment show in-process, the teacher can be according to the experiment demand, rotate the barrel, make the screw rod roll over to the inside of barrel, make the slide upwards or the downward sloping under the effect of articulated piece, be in the tilt state when making the movable block place on the slide, thereby show the frictional force experiment under the different states, the practicality of show shelf has been improved, be convenient for simultaneously the student calculates the frictional force under the different states, help improving student's learning efficiency, be convenient for the student degree of depth master the relevant knowledge of frictional force.

Drawings

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

FIG. 2 is an external view of the present invention;

FIG. 3 is a schematic structural view of the display frame when the slide board of the present invention is tilted;

FIG. 4 is a second schematic structural view of the display frame when the slide board of the present invention is tilted;

fig. 5 is a schematic view of the internal structure of the display frame of the present invention after being stored;

FIG. 6 is an enlarged view taken at A in FIG. 1;

in the figure: 1-a box body; 2, moving a board; 3, a sliding plate; 4-a motor; 5-a display frame; 6-spring load cell; 7-a moving block; 8-screw rod; 9-a screw cylinder; 10-a slide block; 11-a chute; 12-a storage battery; 13-an electric push rod; 14-a control switch; 15-a receiving cavity; 16-a rotation slot; 17-turning block.

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. 1-6, the present invention provides a technical solution: a rotatable display rack for teaching comprises a box body 1, wherein a containing cavity 15 is formed in the box body 1, two electric push rods 13 are symmetrically installed at the bottom of the containing cavity 15, a movable plate 2 is fixed at the top ends of the two electric push rods 13, the movable plate 2 can lift along the inside of the containing cavity 15, after the display is finished, a teacher can control the electric push rods 13 to shrink through a control switch 14 so as to drive the movable plate 2 to slide and descend along the inside of the containing cavity 15 through a slide block 10 and a slide groove 11 until a display frame 5 is contained in the containing cavity 15, so that the storage of the display frame 5 is realized, the occupied space of the display rack is greatly reduced, the storage of the display rack is facilitated, meanwhile, dust accumulation caused by exposure of teaching tools outside is avoided, the recycling of the teaching tools is facilitated, a rotating groove 16 is formed in the movable plate 2, and a rotating block 17 is movably connected in the, in the display process, a teacher can rotate the display frame through the rotating block 17 and the rotating groove 16 to achieve the purpose of rotary display, the display frame 5 is installed at the top end of the rotating block 17, the motor 4 is fixedly connected to one side inside the display frame 5 through a fixed rod, the motor 4 adopts a GS0075A driving motor, the rated voltage is 220V, the speed response frequency is 1000KHz, the bottom end of the motor 4 is rotatably connected with a winding rod, the display frame 5 is horizontally provided with a sliding plate 3 inside, the upper surface of the sliding plate 3 is provided with a moving block 7, one side of the moving block 7 adjacent to the winding rod is hung with a spring dynamometer 6 through a hook, one end of the spring dynamometer 6 opposite to the moving block 7 is connected with the winding rod through a winding rope, a storage battery 12 is fixed between two electric push rods 13 at the bottom of the storage cavity 15, and a control switch 14 electrically connected with the storage battery 12 is further installed on, the motor 4 and the electric push rod 13 are both electrically connected with the control switch 14.

Further, the one end that slide 3 is adjacent to motor 4 is passed through articulated piece and is rotated with show frame 5 and be connected, and the other end of slide 3 is rotated through articulated piece and is connected with screw rod 8, the bottom spiro union of screw rod 8 has the barrel 9 of being connected with movable plate 2 rotation, in the show process, teacher's rotatable barrel 9, make screw rod 8 roll out or change over into the inside of barrel 9, upwards or the downward sloping under the effect of articulated piece in order to drive slide 3, be in the tilt state when making movable block 7 place on slide 3, thereby realize measuring frictional force under different states, be convenient for the student to calculate the frictional force under different states, help improving student's learning efficiency.

Specifically, the sliders 10 are symmetrically installed at two ends of the moving plate 2, and the sliding grooves 11 matched with the sliders 10 are symmetrically formed in two sides of the inner wall of the box body 1, so that the moving plate 2 can slide and lift in the box body 1 through the sliders 10 and the sliding grooves 11.

It is worth to say that four corners of box 1 bottom all install and remove the wheel, and four remove the wheel and all be universal auto-lock wheels to show the removal of frame.

Furthermore, the opposite corners of the two sliders 10 relative to one end of the moving plate 2 are in arc chamfer transition to form smooth arc portions on the surface wall, so that the sliders 10 can slide up and down along the sliding grooves 11.

The utility model discloses a theory of operation and use flow: when the utility model is used, a teacher can move the display frame to a classroom through the moving wheel at the bottom of the box body 1, then the electric push rod 13 is started through the control switch 14, the electric push rod 13 extends and drives the moving plate 2 to slide and rise along the inside of the containing cavity 15 through the slide block 10 and the slide groove 11 until the display frame 5 rises to the top of the box body 1, then the teacher can turn on the motor 4 through the control switch 14, the motor 4 works to drive the winding rod at the bottom end to rotate, and further the spring dynamometer 6 is pulled, the spring dynamometer 6 drives the moving block 7 to move along the sliding plate 3, so as to realize the display of friction force experiments, in the display process, the teacher can rotate the display frame through the rotating block 17 and the rotating groove 16 to achieve the purpose of rotary display, in addition, the teacher can rotate the screw barrel 9 according to the experiment requirements, so that the screw rod 8 rotates out or rotates into the inside of the screw barrel 9, so as, make the movable block 7 be in the tilt state when placing on slide 3, thereby demonstrate the frictional force experiment under the different states, so that the student calculates the frictional force under the different states, help improving student's learning efficiency, the degree of depth masters the relevant knowledge of frictional force, after the show is accomplished, teacher's accessible control switch 14 control electric putter 13 shrink, descend along the inside slip of accomodating chamber 15 through slider 10 and spout 11 in order to drive movable plate 2, until the display frame 5 is taken in and is accomodate chamber 15, thereby realize accomodating of display frame 5, the occupation space of show shelf has been reduced widely, be favorable to depositing of show shelf, avoid teaching appliances to expose outside simultaneously and collect the dust, be convenient for teaching appliances's recycle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rotatable show shelf is used in teaching which characterized in that: the folding and unfolding device comprises a box body (1), a containing cavity (15) is formed in the box body (1), two electric push rods (13) are symmetrically installed at the bottom of the containing cavity (15), a movable plate (2) is fixed at the top ends of the two electric push rods (13), the movable plate (2) can ascend and descend along the inside of the containing cavity (15), a rotating groove (16) is formed in the movable plate (2), a rotating block (17) is movably connected inside the rotating groove (16), a display frame (5) is installed at the top end of the rotating block (17), a motor (4) is fixedly connected to one side inside the display frame (5) through a fixed rod, a winding rod is rotatably connected to the bottom end of the motor (4), a sliding plate (3) is horizontally arranged inside the display frame (5), a movable block (7) is placed on the upper surface of the sliding plate (3), and a spring dynamometer (6) is hung on one side, adjacent to the winding rod, of the movable block (7, and the spring dynamometer (6) is connected with the winding rod through a winding rope relative to one end of the moving block (7), a storage battery (12) is fixed at the bottom of the storage cavity (15) and between the two electric push rods (13), a control switch (14) electrically connected with the storage battery (12) is further installed on the front surface of the box body (1), and the motor (4) and the electric push rods (13) are both electrically connected with the control switch (14).

2. The rotatable teaching display stand of claim 1, wherein: one end of the sliding plate (3) adjacent to the motor (4) is rotatably connected with the display frame (5) through a hinged block, the other end of the sliding plate (3) is rotatably connected with a screw rod (8) through the hinged block, and the bottom end of the screw rod (8) is in threaded connection with a screw cylinder (9) which is rotatably connected with the moving plate (2).

3. The rotatable teaching display stand of claim 1, wherein: the two ends of the moving plate (2) are symmetrically provided with sliding blocks (10), and sliding grooves (11) matched with the sliding blocks (10) are symmetrically formed in the two sides of the inner wall of the box body (1) so that the moving plate (2) can slide and lift in the box body (1) through the sliding blocks (10) and the sliding grooves (11).

4. The rotatable teaching display stand of claim 1, wherein: the four corners of box (1) bottom all install and remove the wheel, and four remove the wheel and be universal auto-lock wheel.

5. A rotatable educational display stand according to claim 3, wherein: the opposite angles of the two sliding blocks (10) relative to one end of the moving plate (2) are in arc chamfering transition to form an arc part with a smooth surface wall.