CN212365271U

CN212365271U - Mathematics difficult problem analysis show shelf

Info

Publication number: CN212365271U
Application number: CN202021450690.8U
Authority: CN
Inventors: 陈琼琼
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-01-15
Anticipated expiration: 2030-07-21

Abstract

The utility model provides an analytic show shelf of mathematical problem, including analytic show board, rotating-structure and regulation structure, analytic show board one side can be dismantled with difficult problem show board through the screw and be connected, and analytic show board below is passed through screw and rotating-structure fixed connection, and the rotating-structure below can be dismantled with regulation structure through the screw and be connected, and the regulation structure below is passed through screw and bearing structure fixed connection, and rotating-structure one side is wiped the box and is put a box fixed connection through screw and board. The utility model provides an analytic show shelf of mathematical problem passes through the on-off control positive and negative motor work on the operation control panel, drives gear shaft through positive and negative motor and rotates, and the pinion rack that the gear shaft drove its one side looks adaptation again reciprocates, and then makes the show board of pinion rack top reciprocate, when the pinion rack is adjusted to suitable height, closes the switch on the control panel, accomplishes the automatically regulated to the analytic show shelf height of mathematical problem.

Description

Mathematics difficult problem analysis show shelf

Technical Field

The utility model relates to a teaching equipment technical field especially relates to analytic show shelf of a mathematical problem.

Background

Mathematics and applied mathematics are a subject specialty, the specialty cultivates the basic theory and the basic method of mastering the mathematics science, has the capability of applying mathematical knowledge and solving practical problems by using a computer, is subjected to the primary training of scientific research, and can be used as a high-level special talent for research and teaching in scientific and technical departments or practical application, development and management in production, management and management departments, and at present, a problem analysis display rack is used when an instructor prepares the explanation of the mathematics and applied mathematics problem, but the existing problem analysis display rack has some defects.

At present, the existing mathematical problem analysis display rack is inconvenient to adjust the height of the device and cannot meet the requirements of teachers with different heights on the height of the device; the show direction of show board is fixed, and is inconvenient to adjust the show direction of show board according to the actual teaching demand, and the convenient show shelf that removes is inconvenient fixed, the inconvenient problem of removing of convenient fixed show shelf.

Therefore, it is necessary to provide a mathematical problem analysis display stand to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mathematical problem analysis display stand, which solves the problem that the prior mathematical problem analysis display stand is inconvenient to adjust the height of the device and can not meet the requirements of teachers with different heights on the height of the device; the show direction of show board is fixed, and is inconvenient to adjust the show direction of show board according to the actual teaching demand, and the convenient show shelf that removes is inconvenient fixed, the inconvenient problem of removing of convenient fixed show shelf.

For solving above-mentioned technical problem, the analytic show shelf of mathematical problem, including analytic show board, rotating-structure and regulation structure, analytic show board one side can be dismantled with difficult problem show board through the screw and be connected, analytic show board below is through screw and rotating-structure fixed connection, the rotating-structure below can be dismantled with regulation structure through the screw and be connected, regulation structure below is through screw and bearing structure fixed connection, rotating-structure one side is wiped the box through screw and board and is put a box fixed connection, the regulation structure surface passes through the screw and can be dismantled with control panel and be connected, bearing structure top is through screw and battery case fixed connection, the battery case passes through wire and regulation structure electric connection.

Preferably, revolution mechanic still includes carousel, lower carousel and rotates the handle, go up the carousel top through screw and analysis show board fixed connection, go up carousel one side through screw and blackboard eraser box and put a box fixed connection, go up the carousel and rotate with lower carousel and be connected, the carousel below can be dismantled with adjustment structure through the screw and be connected down, it can dismantle the connection at last carousel surface through the screw to rotate the handle, it is provided with four altogether to rotate the handle.

Preferably, the adjusting structure still includes shell, positive and negative motor, gear shaft, pinion rack and spacing post, the shell below is through screw and bearing structure fixed connection, positive and negative motor passes through the fix with screw inside the shell, positive and negative motor one end and gear shaft electric connection, gear shaft one side is provided with the pinion rack of looks adaptation, the pinion rack top can be dismantled with the lower carousel through the screw and be connected, spacing post one end welds with the shell mutually, spacing post is provided with two altogether.

Preferably, bearing structure still includes mount pad, dwang, non slipping spur and universal wheel, screw and shell fixed connection are passed through to the mount pad top, the dwang passes through screw hole and mount pad threaded connection, the dwang below can be dismantled with the non slipping spur through the screw and be connected, the universal wheel passes through screw demountable connection in the mount pad below, dwang and non slipping spur respectively are provided with two, the universal wheel is provided with four altogether.

Preferably, the upper turntable further comprises a first chassis and a rotating shaft, the upper portion of the first chassis is fixedly connected with the analysis display board through a screw, and the lower portion of the first chassis is welded with the rotating shaft.

Preferably, the lower turntable further comprises a second chassis and a rotating shaft groove, the lower portion of the second chassis is detachably connected with the adjusting structure through a screw, the rotating shaft groove is fixed inside the second chassis through a screw, and the rotating shaft groove is matched with the rotating shaft.

Compared with the prior art, the utility model provides an analytic show shelf of mathematical problem has following beneficial effect:

the utility model provides an analytic show shelf of mathematical problem, utilize and adjust the structure, through the positive and negative motor work of on-off control on the operation control panel, drive gear shaft through positive and negative motor and rotate, the pinion rack that the gear shaft drove its one side looks adaptation again reciprocates, and then make the show board of pinion rack top reciprocate, when the pinion rack is adjusted suitable height, close the switch on the control panel, accomplish the automatically regulated of the analytic show shelf height of mathematical problem, it has inconvenient to adjust the device height to have solved the analytic show shelf of current mathematical problem, can not satisfy the problem of the demand of different height teachers to the device height.

The utility model provides an analytic show shelf of mathematical problem, utilize rotating-structure, the rotation handle through pulling carousel surface setting, can be so that the pivot of a chassis below is at the pivot inslot internal rotation of two inside looks adaptations in chassis, and then drive analytic show board and difficult problem show board level and rotate, make the teacher can adjust the show direction of show board according to the actual teaching demand, under the convenient condition of not mobile device again, to the analytic content of appointed regional student show, it is fixed to have solved the show direction that the analytic show shelf of current mathematical problem exists the show board, the inconvenient problem of the show direction of show board of adjusting according to the actual teaching demand.

The utility model provides an analytic show shelf of mathematical problem, utilize bearing structure, when the device need remove, can be through two dwangs of rotating mount pad inside, make the non slipping spur of dwang below break away from ground, utilize four universal wheels can make things convenient for the device to remove, when the device needs to be fixed, through two dwangs of rotating mount pad inside, make non slipping spur and the ground in close contact with of dwang below, increase the frictional force between device and the ground, prevent that the device from sliding, it has the inconvenient fixed of show shelf that convenient removal to have the analytic show shelf of mathematical problem to have solved, the problem of the inconvenient removal of convenient fixed show shelf.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a mathematical problem analysis display rack provided by the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a partial schematic view of the lower turntable shown in FIG. 2;

figure 4 is a partial schematic view of the tooth plate shown in figure 2.

Reference numbers in the figures: 1. the multifunctional blackboard eraser comprises an analysis display board, 2, a rotating structure, 3, an adjusting structure, 4, a difficult problem display board, 5, a supporting structure, 6, a blackboard eraser box, 7, a pen placing box, 8, a control panel, 9, a storage battery box, 201, an upper rotary disc, 202, a lower rotary disc, 203, a rotating handle, 204, a first chassis, 205, a rotating shaft, 206, a second chassis, 207, a rotating shaft groove, 31, a shell, 32, a positive and negative motor, 33, a gear shaft, 34, a toothed plate, 35, a limiting column, 51, a mounting seat, 52, a rotating rod, 53, an anti-skid block, 54 and a universal wheel.

The utility model provides an instrument all can obtain through market purchase and private customization:

positive and negative motor: 42GA 775-F.

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 technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a mathematical puzzle analysis display stand according to the present invention; fig. 2 is a cross-sectional view of the present invention; FIG. 3 is a partial schematic view of the lower turntable shown in FIG. 2; figure 4 is a partial schematic view of the tooth plate shown in figure 2. Analytic show shelf of mathematical problem, including analytic show board 1, rotating-structure 2 and regulation structure 3, analytic show board 1 one side can be dismantled with difficult problem show board 4 through the screw and be connected, analytic show board 1 below is through screw and 2 fixed connection of rotating-structure, rotating-structure 2 below is through screw and 3 dismantlements of regulation structure and be connected, 3 below of regulation structure is through screw and 5 fixed connection of bearing structure, 2 one side of rotating-structure is through screw and blackboard eraser box 6 and put a box 7 fixed connection, 3 surfaces of regulation structure are through screw and 8 dismantlements of control panel and be connected, bearing structure 5 top is through screw and 9 fixed connection of battery box, battery box 9 passes through wire and 3 electric connection of regulation structure, can deposit the blackboard eraser and write the pen through blackboard eraser box 6 and put pen box 7.

The rotating structure 2 also comprises an upper rotating disc 201, a lower rotating disc 202 and rotating handles 203, the upper part of the upper rotating disc 201 is fixedly connected with the analysis display board 1 through screws, one side of the upper rotating disc 201 is fixedly connected with the eraser box 6 and the pen placing box 7 through screws, the upper rotating disc 201 is rotatably connected with the lower rotating disc 202, the lower part of the lower rotating disc 202 is detachably connected with the adjusting structure 3 through screws, the rotating handles 203 are detachably connected with the outer surface of the upper rotating disc 201 through screws, the number of the rotating handles 203 is four, and by pulling the rotating handles 203 arranged on the surface of the upper rotating disc 201, the rotating shaft 205 under the first chassis 204 can rotate in the rotating shaft groove 207 matched with the inside of the second chassis 206, and then drive

analytic show board

1 and 4 horizontal rotations of difficult problem show board for the teacher can adjust the show direction of show board according to the actual teaching demand, under the convenient condition that does not remove the device again, demonstrates analytic content to appointed regional student.

The adjusting structure 3 further comprises a shell 31, a positive and negative motor 32, a gear shaft 33, a toothed plate 34 and two limiting columns 35, wherein the lower part of the shell 31 is fixedly connected with the supporting structure 5 through screws, the positive and negative motor 32 is fixed inside the shell 31 through screws, one end of the positive and negative motor 32 is electrically connected with the gear shaft 33, the toothed plate 34 which is matched with the gear shaft 33 is arranged on one side of the gear shaft 33, the upper part of the toothed plate 34 is detachably connected with the lower turntable 202 through screws, one end of each limiting column 35 is welded with the shell 31, and the number of the limiting columns 35 is, the switch on the control panel 8 is operated to control the positive and negative motor 32 to work, the positive and negative motor 32 drives the gear shaft 33 to rotate, the gear shaft 33 drives the toothed plate 34 matched with one side of the gear shaft to move up and down, thereby moving the display plate above the toothed plate 33 up and down, and when the toothed plate 33 is adjusted to a suitable height, and closing a switch on the control panel 8 to finish the automatic adjustment of the height of the mathematical problem analysis display rack.

The supporting structure 5 further comprises an installation seat 51, a rotating rod 52, an anti-skid block 53 and universal wheels 54, the upper part of the installation seat 51 is fixedly connected with the shell 31 through screws, the rotating rod 52 is in threaded connection with the installation seat 51 through threaded holes, the lower part of the rotating rod 52 is detachably connected with the anti-skid block 53 through screws, the universal wheels 54 are detachably connected below the installation seat 51 through screws, two rotating rods 52 and two anti-skid blocks 53 are respectively arranged, four universal wheels 54 are arranged, when the device needs to move, the anti-skid block 53 below the rotating rod 52 can be separated from the ground by rotating the two rotating rods 52 inside the installation seat 51, the device can be conveniently moved by utilizing the four universal wheels, when the device needs to be fixed, the anti-skid blocks 53 below the rotating rod 52 are in close contact with the ground by rotating the two rotating rods 52 inside the installation seat 51, and the friction, preventing the device from slipping.

The upper turntable 201 further comprises a first chassis 204 and a rotating shaft 205, the upper part of the first chassis 204 is fixedly connected with the analytic display board 1 through screws, and the lower part of the first chassis 204 is welded with the rotating shaft 205.

The lower turntable 202 further comprises a second chassis 206 and a rotating shaft groove 207, the lower part of the second chassis 206 is detachably connected with the adjusting structure 3 through screws, the rotating shaft groove 207 is fixed inside the second chassis 206 through screws, and the rotating shaft groove 207 is matched with the rotating shaft 205.

The utility model provides an analytic show shelf of mathematical problem's theory of operation as follows:

when the demonstration shelf is used, firstly, the demonstration shelf for resolving the mathematical problem is moved to a proper position, the problem can be written on the demonstration board 4, the demonstration step is performed on the demonstration board 1, the eraser and the writing pen can be stored through the eraser box 6 and the pen box 7, the switch on the control panel 8 is operated to control the positive and negative motor 32 to work, the positive and negative motor 32 drives the gear shaft 33 to rotate, the gear shaft 33 drives the toothed plate 34 with one side matched with the gear shaft to move up and down, so that the demonstration board above the toothed plate 33 moves up and down, when the toothed plate 33 is adjusted to a proper height, the switch on the control panel 8 is closed, the automatic adjustment of the height of the demonstration shelf for resolving the mathematical problem is completed, the rotating shaft 205 below the first base plate 204 can rotate in the rotating shaft groove 207 matched with the inner part of the second base plate 206 by pulling the rotating handle 203 arranged on the surface of the upper rotating disc 201, so as to drive, make the teacher can adjust the show direction of show board according to the actual teaching demand, under the convenient condition of no mobile device again, show analytic content to appointed regional student, when the device needs to remove, can be through two inside dwang 52 of rotating mount pad 51, make non slipping spur 53 of dwang 52 below break away from ground, utilize four universal wheels can make things convenient for the device to remove, when the device needs to be fixed, through two inside dwang 52 of rotating mount pad 51, make non slipping spur 53 and the ground in close contact with of dwang 52 below, increase the frictional force between device and the ground, prevent that the device from sliding.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A mathematical problem analysis show shelf comprises an analysis show board (1), a rotating structure (2) and an adjusting structure (3), and is characterized in that: analytic show board (1) one side is passed through the screw and can be dismantled with difficult problem show board (4) and be connected, analytic show board (1) below is passed through screw and rotating-structure (2) fixed connection, rotating-structure (2) below is passed through the screw and can be dismantled with adjustment structure (3) and be connected, adjustment structure (3) below is passed through screw and bearing structure (5) fixed connection, rotating-structure (2) one side is passed through screw and blackboard eraser box (6) and is put pen box (7) fixed connection, adjustment structure (3) surface is passed through the screw and can be dismantled with control panel (8) and be connected, bearing structure (5) top is passed through screw and battery box (9) fixed connection, battery box (9) are through wire and adjustment structure (3) electric connection.

2. The mathematical puzzle resolution display stand of claim 1, wherein: rotating-structure (2) still include carousel (201), lower carousel (202) and rotate handle (203), go up carousel (201) top through screw and analysis show board (1) fixed connection, go up carousel (201) one side and pass through screw and blackboard eraser box (6) and put a box (7) fixed connection, go up carousel (201) and lower carousel (202) and rotate and be connected, carousel (202) below is passed through the screw and can be dismantled with adjustment structure (3) and be connected down, rotate handle (203) and can dismantle the connection at last carousel (201) surface through the screw, it is provided with four altogether to rotate handle (203).

3. The mathematical puzzle resolution display stand of claim 1, wherein: adjusting structure (3) still include shell (31), positive and negative motor (32), gear shaft (33), pinion rack (34) and spacing post (35), screw and bearing structure (5) fixed connection are passed through to shell (31) below, positive and negative motor (32) pass through the fix with screw inside shell (31), positive and negative motor (32) one end and gear shaft (33) electric connection, gear shaft (33) one side is provided with pinion rack (34) of looks adaptation, pinion rack (34) top is passed through the screw and is connected with carousel (202) can be dismantled down, spacing post (35) one end welds with shell (31) mutually, spacing post (35) are provided with two altogether.

4. The mathematical puzzle resolution display stand of claim 1, wherein: bearing structure (5) still include mount pad (51), dwang (52), non slipping spur (53) and universal wheel (54), screw and shell (31) fixed connection are passed through to mount pad (51) top, dwang (52) are through screw hole and mount pad (51) threaded connection, dwang (52) below can be dismantled with non slipping spur (53) through the screw and be connected, universal wheel (54) can be dismantled in mount pad (51) below through the screw and connect, dwang (52) and non slipping spur (53) respectively are provided with two, universal wheel (54) are provided with four altogether.

5. The mathematical puzzle resolution display stand of claim 2, wherein: the upper turntable (201) further comprises a first chassis (204) and a rotating shaft (205), the upper part of the first chassis (204) is fixedly connected with the analysis display board (1) through a screw, and the lower part of the first chassis (204) is welded with the rotating shaft (205).

6. The mathematical puzzle resolution display stand of claim 2, wherein: the lower turntable (202) further comprises a second chassis (206) and a rotating shaft groove (207), the lower portion of the second chassis (206) is detachably connected with the adjusting structure (3) through screws, the rotating shaft groove (207) is fixed inside the second chassis (206) through screws, and the rotating shaft groove (207) is matched with the rotating shaft (205).