CN210574531U

CN210574531U - Calculus model stereoscopic projection display device for college mathematics teaching

Info

Publication number: CN210574531U
Application number: CN201921013115.9U
Authority: CN
Inventors: 李会葆
Original assignee: Anqing Normal University
Current assignee: Anqing Normal University
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-05-19
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a colleges and universities ' mathematical education is with calculus model stereoscopic projection display device, including projecting apparatus body, adjusting device and three-dimensional device, the bottom of projecting apparatus body is connected with adjusting device through fixing bolt, adjusting device's side still is connected with three-dimensional device, adjusting device, projecting apparatus body and three-dimensional device all set up at bin inner chamber, and adjusting device's semicircle pillar setting is in the draw-in groove of the rubber pad that the bin inner wall bonded, the material of bin sets up to clear glass, the top of bin is rotated through the spring hinge and is connected with the case lid, the rectangle recess that the case lid top was dug and is established is provided with the handle, adjusting device includes fixed plate, screwed pipe, screw thread post and semicircle pillar. This colleges and universities are calculus model stereoscopic projection display device for mathematical education, it is convenient to adjust, can adapt to the use of different classrooms and environment, is fit for on a large scale popularization and popularization.

Description

Calculus model stereoscopic projection display device for college mathematics teaching

Technical Field

The utility model belongs to the technical field of the projection show, concretely relates to colleges and universities are calculus model stereoscopic projection display device for mathematical education.

Background

Modern projection presentations generally refer to the projection of the shape of an object onto a plane using a set of light rays, and are referred to as projection presentations. Projection display device generally includes projecting apparatus and projection screen, and projection screen is called the projection screen again, generally divide into commercial screen, domestic screen, engineering screen, and the kind of projection screen is many, divide into high, medium and low grade, can be according to the occasion condition and decide. The projection display device used in the existing school is fixed, most of the projection display device can not carry out stereo projection, and the traditional stereo projection device is inconvenient to move and adjust and can not adapt to different classrooms and different environments.

Therefore, in view of the current situation, it is urgently needed to design and produce a calculus model stereoscopic projection display device for mathematics teaching in colleges and universities so as to meet the needs of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colleges and universities are calculus model stereoscopic projection display device for mathematical education to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a colleges and universities ' mathematical education is with calculus model stereographic projection display device, includes projecting apparatus body, adjusting device and three-dimensional device, the bottom of projecting apparatus body is connected with adjusting device through fixing bolt, adjusting device's side still is connected with the three-dimensional device, adjusting device, projecting apparatus body and three-dimensional device all set up at bin inner chamber, and adjusting device's semicircle pillar setting is in the draw-in groove of the rubber pad that bin inner wall bonded, the material of bin sets up to clear glass, the top of bin is rotated through the spring hinge and is connected with the case lid, the case lid top is dug and is provided with the handle in the rectangle recess of establishing.

Preferably, adjusting device includes fixed plate, screwed pipe, screw thread post and semi-cylinder, the bottom welding of fixed plate has two sets of screwed pipes that set up side by side, screwed pipe inner chamber threaded connection has the screw thread post, and the bottom of screw thread post is fixed through the rectangle top face bonding of viscose and semi-cylinder, anti-skidding line has been seted up to the arcwall face of semi-cylinder.

Preferably, the three-dimensional device includes picture peg, connecting bolt and four pyramid mirrors, the side slope of four pyramid mirrors bonds through the viscose has the triangular prism, and the bottom of triangular prism bonds on the top of the horizontal portion of L shaped plate through the viscose, the vertical portion of L shaped plate also bonds fixedly through viscose and four pyramid mirrors, the bottom of L shaped plate bonds through the viscose has two sets of picture pegs that set up side by side, the picture peg sets up the below at the fixed plate, the vertical through-hole that the multiunit equidistance was arranged is dug to the side of picture peg, and passes connecting bolt in two sets of vertical through-holes, and two sets of connecting bolt still dig the screw hole threaded connection who establishes with the fixed plate.

Preferably, two sets of lugs arranged side by side are bonded in the rectangular groove of the box cover through adhesive, the transverse section of each lug is arranged in a U shape, two sets of rotating parts of each lug are hinged to the two sets of lugs through rotating shafts respectively, and the periphery of each transverse part of each lug is bonded with an anti-slip sleeve through the adhesive.

Preferably, the side-mounting of case lid has the trick lock that is used for being connected with the bin, the top of case lid still is connected with the commentaries on classics board through another two sets of spring hinge rotation, and changes the board setting and dig the thing inslot of establishing on the case lid top, the top of changeing the board has the baffle through the viscose bonding.

The utility model discloses a technological effect and advantage: according to the design of the storage box and the box cover of the calculus model stereoscopic projection display device for the mathematics teaching in colleges and universities, a projector body and a stereoscopic device are protected, and the projector body is convenient to carry due to the arranged lifting handle; the height of the threaded pipe is changed by the rotation of the threaded column of the adjusting device, so that the inclination of the projector body is changed, the projector is convenient to adapt to projection classrooms and environments with different conditions, and if the inclination angle is large, the rotating plate is opened, and a group of semi-cylinders can be placed in the storage groove of the box cover to be further adjusted; connecting bolt passes the vertical through-hole of picture peg different positions for the distance of quadrangular pyramid from the projecting apparatus body obtains adjusting, thereby realizes different projection effects, and this calculus model stereoscopic projection display device is used in colleges and universities' mathematical education, and it is convenient to adjust, can adapt to the use of different classrooms and environment, is fit for popularization and popularization on a large scale.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a schematic structural diagram of the adjusting device of the present invention.

In the figure: the projector comprises a projector body 1, an adjusting device 2, a three-dimensional device 3, a storage box 4, a box cover 5, a lifting handle 6, a fixing plate 7, a threaded pipe 8, a threaded column 9, a semi-cylindrical column 10, an L-shaped plate 11, an inserting plate 12, a connecting bolt 13, a quadrangular pyramid mirror 14, an anti-skidding sleeve 15, a coded lock 16, a rotating plate 17 and a baffle 18.

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.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a calculus model stereo projection display device for college mathematics teaching as shown in figures 1-3, which comprises a projector body 1, an adjusting device 2 and a stereo device 3, wherein the projector body is designed to be dedicated for teaching, the bottom end of the projector body 1 is connected with an adjusting device 2 through a fixing bolt, the side surface of the adjusting device 2 is also connected with a three-dimensional device 3, the adjusting device 2, the projector body 1 and the three-dimensional device 3 are all arranged in the inner cavity of the storage box 4, and the semi-cylinder 10 of the adjusting device 2 is arranged in the clamping groove of the rubber pad adhered on the inner wall of the storage box 4, the storage box 4 is made of transparent glass, meets the common conditions, is not taken out and adjusted, the condition that can use, the top of bin 4 is connected with case lid 5 through spring hinge rotation, be provided with handle 6 in the rectangle recess that 5 tops of case lid dug to establish.

Specifically, adjusting device 2 includes fixed plate 7, screwed pipe 8, screw thread post 9 and semi-cylinder 10, the bottom welding of fixed plate 7 has two sets of screwed pipes 8 that set up side by side, 8 inner chamber threaded connection of screwed pipe have screw thread post 9, and the bottom of screw thread post 9 is fixed through the rectangle top end face bonding of viscose and semi-cylinder 10, anti-skidding line has been seted up to the arcwall face of semi-cylinder 10, rotates screw thread post 9 for the gradient of projecting apparatus body 1 can be adjusted.

Specifically, the stereoscopic device 3 includes an inserting plate 12, a connecting bolt 13 and a quadrangular pyramid mirror 14, the quadrangular pyramid mirror 14 has a projecting effect (the adopted 3D holographic projection display device for the environmental design of the chinese patent documents, the application number is 3D projection display device in cn201910136037. x), and other devices with stereoscopic projection can be further arranged, the side slope of the quadrangular pyramid mirror 14 is bonded with a triangular prism through an adhesive, the bottom end of the triangular prism is bonded on the top end of the transverse part of the L-shaped plate 11 through the adhesive, the vertical part of the L-shaped plate 11 is also bonded and fixed with the quadrangular pyramid mirror 14 through the adhesive for firm fixation, the bottom end of the L-shaped plate 11 is bonded with two groups of inserting plates 12 arranged side by side through the adhesive, the inserting plate 12 is arranged below the fixing plate 7, the side surface of the inserting plate 12 is dug with vertical through holes arranged in a plurality of groups of equal distances, and the connecting bolt 13 is passed through the two groups of vertical through holes, two sets of connecting bolt 13 still dig the screw hole threaded connection who establishes with fixed plate 7, change the position of the vertical through-hole of picture peg 12 that connecting bolt 13 passed for the distance of quadrangular prism 14 from projecting apparatus body 1 is adjusted.

Specifically, it has two sets of lugs that set up side by side to bond through the viscose in the rectangle recess of case lid 5, and the length of the rectangle recess of case lid 5 is less than the length of semicylinder 10, the transverse section of handle 6 sets up to the U font, two sets of rotation portions of handle 6 are articulated through pivot and two sets of lugs respectively, handle 6 obtains the transverse part periphery and bonds through the viscose and have antiskid cover 15, and the setting of handle is convenient for mr to carry handle 6.

Specifically, the side-mounting of case lid 5 has the trick lock 16 that is used for being connected with bin 4, the top of case lid 5 still is connected with commentaries on classics board 17 through another two sets of spring hinge rotations, and changes board 17 setting and dig the thing inslot of putting established on 5 tops of case lid, and the size of putting the thing groove can satisfy half-cylinder 10 and put into, it has baffle 18 to change the top of board 17 through the viscose bonding, and the baffle is used for blockking commentaries on classics board 17 for be convenient for rotate, and avoid it to transfer to in bin 4.

Specifically, this colleges and universities ' mathematical education is with calculus model stereoscopic projection display device, teacher's portable handle 6 carries, carry to the assigned position after, open trick lock 16 and case lid 5, take out projecting apparatus body 1 and debug, rotate two sets of screw thread post 9, make projecting apparatus body 1's gradient change, if the gradient that needs is very big, close trick lock 16 and case lid 5, open and change board 17, arrange a set of semicircle post 10 of adjusting device 2 in the thing inslot of case lid 5, another set of semicircle post 10 is arranged in on case lid 5, form very big inclination, then continue to rotate screw thread post 9, finally make the gradient satisfy the user demand, change the position of the vertical through-hole of picture peg 12 that connecting bolt 13 passed, make the distance of four pyramid mirror 14 from projecting apparatus body 1 obtain adjusting.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a colleges and universities are calculus model stereoscopic projection display device for mathematical education, includes projecting apparatus body (1), adjusting device (2) and stereoscopic device (3), its characterized in that: the bottom of projecting apparatus body (1) is connected with adjusting device (2) through fixing bolt, the side of adjusting device (2) still is connected with three-dimensional device (3), adjusting device (2), projecting apparatus body (1) and three-dimensional device (3) all set up at bin (4) inner chamber, and half cylinder (10) of adjusting device (2) set up in the draw-in groove of the rubber pad that bin (4) inner wall bonded, the material of bin (4) sets up to clear glass, the top of bin (4) is connected with case lid (5) through spring hinge rotation, be provided with handle (6) in the rectangle recess that case lid (5) top was dug and is established.

2. The calculus model stereoscopic projection display device for college mathematics teaching of claim 1, characterized in that: adjusting device (2) are including fixed plate (7), screwed pipe (8), screw thread post (9) and semicylinder (10), the bottom welding of fixed plate (7) has two sets of screwed pipe (8) that set up side by side, screwed pipe (8) inner chamber threaded connection has screw thread post (9), and the bottom of screw thread post (9) is fixed through the rectangle top face bonding of viscose with semicylinder (10), anti-skidding line has been seted up to the arcwall face of semicylinder (10).

3. The calculus model stereoscopic projection display device for college mathematics teaching of claim 1, characterized in that: three-dimensional device (3) are including picture peg (12), connecting bolt (13) and pyramid mirror (14), the side slope of pyramid mirror (14) bonds through the viscose has the triangular prism, and the bottom of triangular prism passes through the viscose and bonds on the top of the horizontal portion of L shaped plate (11), the vertical portion of L shaped plate (11) also bonds fixedly with pyramid mirror (14) through the viscose, the bottom of L shaped plate (11) bonds through the viscose has two sets of picture peg (12) that set up side by side, picture peg (12) set up the below at fixed plate (7), the vertical through-hole that the multiunit equidistance was arranged is dug to the side of picture peg (12), and passes connecting bolt (13) in two sets of vertical through-holes, and two sets of connecting bolt (13) still dig the screw hole threaded connection of establishing with fixed plate (7).

4. The calculus model stereoscopic projection display device for college mathematics teaching of claim 1, characterized in that: the utility model discloses a case lid, including case lid (5), handle (6), handle and handle, the rectangle recess of case lid (5) is interior to bond through the viscose has two sets of lugs that set up side by side, the horizontal section of handle (6) sets up to the U font, two sets of rotation portions of handle (6) are articulated through pivot and two sets of lugs respectively, handle (6) obtain horizontal portion periphery and bond through the viscose and have antiskid cover (15).

5. The calculus model stereoscopic projection display device for college mathematics teaching of claim 1, characterized in that: the utility model discloses a storage box, including case lid (5), case lid (5) and storage box (4), the side-mounting of case lid (5) has trick lock (16) that are used for being connected with storage box (4), the top of case lid (5) still is connected with commentaries on classics board (17) through another two sets of spring hinge rotation, and changes board (17) and set up and dig the thing inslot of putting established on case lid (5) top, the top of changeing board (17) bonds through the viscose and has baffle (18).