CN209471576U - A kind of mathematical education projection arrangement - Google Patents

Abstract

The utility model discloses a kind of mathematical education projection arrangements, including projector and U-shaped concave-board, the bottom of the projector is provided with limiting plate, and positioning bolt is provided on the outside of limiting plate, thermal vias is offered on the outside of the limiting plate, and support supporting plate is connected with below limiting plate, the U-shaped concave-board is weldingly fixed on support supporting plate, and the outside engaging of supporting plate is supported to have clamping block, the clamping block is weldingly fixed on the outside of storage box, and the side of storage box is provided with rectangle hanger, the bottom of the support supporting plate is provided with screw rod, and threaded block is provided on the outside of support supporting plate, support steel pole is connected with below the threaded block, and crust of the device plate is welded with below support steel pole.The mathematical education uses the second sliding block and screw rod with projection arrangement, is horizontally moved by the second sliding block to projector, is moved according to teaching demand to projector convenient for teacher, promotes the flexibility that projector uses.

Description

A kind of mathematical education projection arrangement

Technical field

The utility model relates to mathematical education equipment technical field, specially a kind of mathematical education projection arrangement.

Background technique

Currently, a variety of auxiliary devices are applied in mathematical education, and such as: compasses, ruler, protractor carry out drawing religion It learns, as development in science and technology can will need the mathematical shape described directly to be presented on projector, during promotion mathematical education Efficiency.

The bottom structure of present projection arrangement is single, cannot carry out horizontal and lifting to projection arrangement according to teaching demand and transport It is dynamic, and the tool that mathematical education uses is fixed in projection arrangement difficulty, and teacher is caused to need to take repeatedly in the process used Different drawing tools.

Summary of the invention

The purpose of this utility model is to provide a kind of mathematical education projection arrangements, to solve to mention in above-mentioned background technique The bottom structure of present projection arrangement out is single, cannot carry out horizontal and elevating movement to projection arrangement according to teaching demand, And the projection arrangement difficulty the problem of tool that mathematical education uses is fixed.

To achieve the above object, the utility model provides the following technical solutions: a kind of mathematical education projection arrangement, including Projector and U-shaped concave-board, the bottom of the projector are provided with limiting plate, and positioning spiral shell is provided on the outside of limiting plate Bolt offers thermal vias on the outside of the limiting plate, and is connected with support supporting plate below limiting plate, described U-shaped recessed Frid is weldingly fixed on support supporting plate, and the outside engaging of supporting plate is supported to have clamping block, and the clamping block, which is weldingly fixed on, to be set The outside of object case, and the side of storage box is provided with rectangle hanger, the bottom of the support supporting plate is provided with screw rod, and supporting bracket It is provided with threaded block on the outside of plate, support steel pole is connected with below the threaded block, and supports and is welded with dress below steel pole Shell Plate is set, the bottom of described device Shell Plate is provided with shifting roller, and the bottom of the screw rod is welded with limited block, the throwing It is provided with grid supporting plate below shadow instrument, and is provided with plastic cement support block on the outside of projector, is opened up on the outside of the rectangle hanger There is limiting through hole, the bottom of the limiting plate is provided with the second sliding block, and the bottom of the second sliding block is provided with the second sliding rail.

Preferably, the projector and limiting plate are by the second sliding block and the second sliding rail composition slide construction, and limit The outside of pedestal is equidistant to offer thermal vias.

Preferably, the U-shaped concave-board is symmetrical about support supporting plate center line, and U-shaped concave-board and storage box are logical Clamping block connection is crossed, and storage box and rectangle hanger are welded with clamping block.

Preferably, the inside of the rectangle hanger includes the first sliding rail, the first sliding block and limit cross bar, and rectangle hanger Outside be welded with the first sliding rail, and the first sliding block is provided on the outside of the first sliding rail, and the side welding of the first sliding block The width for having limit cross bar, while limiting cross bar is greater than the width of rectangle hanger.

Preferably, the threaded block is connect with support steel pole for bearing, and supports steel pole with screw rod to be threadedly coupled, and Screw rod constitutes lifting structure by threaded block and support steel pole.

Preferably, the length of second sliding rail is less than the length of support supporting plate, and the second sliding rail and limiting plate are phase It is mutually parallel.

Compared with prior art, the utility model has the beneficial effects that the mathematical education projection arrangement,

1, using the second sliding block and screw rod, projector is horizontally moved by the second sliding block, convenient for teacher according to Teaching demand moves projector, promotes the flexibility that projector uses, and the reality of projector is adjusted using screw rod rotation Border height carries out height adjustment according to different demands convenient for projector；

2, using storage box and rectangle hanger, the fixed of different types of drawing is carried out by storage box and rectangle hanger It is fixed, it arbitrarily takes during teaching basis of drawing convenient for mathematics teacher, and pass through the limit cross bar on the outside of rectangle hanger Drawing tool is limited；

3, it avoids projecting by plastic cement support block to being fixed on the outside of projector using plastic cement support block and thermal vias The case where shifting during the lifting of instrument, and carried out the heat generated in projector operational process using thermal vias It distributes.

Detailed description of the invention

Fig. 1 is the utility model positive structure diagram；

Fig. 2 is the utility model limiting plate schematic diagram of internal structure；

Fig. 3 is A point enlarged structure schematic diagram in the utility model Fig. 1；

Fig. 4 is the utility model storage box overlooking structure diagram；

Fig. 5 is the utility model rectangle hanger side structure schematic view；

Fig. 6 is that the utility model supports supporting plate side structure schematic view.

In figure: 1, projector；2, limiting plate；3, positioning bolt；4, thermal vias；5, supporting plate is supported；6, U-shaped groove Plate；7, storage box；8, rectangle hanger；801, the first sliding rail；802, the first sliding block；803, cross bar is limited；9, screw rod；10, screw thread Block；11, steel pole is supported；12, crust of the device plate；13, shifting roller；14, limited block；15, grid supporting plate；16, plastic cement support block； 17, clamping block；18, limiting through hole；19, the second sliding block；20, the second sliding rail.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-6 is please referred to, the utility model provides a kind of technical solution: a kind of mathematical education projection arrangement, including throw Shadow instrument 1, limiting plate 2, positioning bolt 3, thermal vias 4, support supporting plate 5, U-shaped concave-board 6, storage box 7, rectangle hanger 8, silk Bar 9, threaded block 10, support steel pole 11, crust of the device plate 12, shifting roller 13, limited block 14, grid supporting plate 15, plastic cement support block 16, clamping block 17, limiting through hole 18, the second sliding block 19 and the second sliding rail 20, the bottom of projector 1 are provided with limiting plate 2, and The outside of limiting plate 2 is provided with positioning bolt 3, and the outside of limiting plate 2 offers thermal vias 4, and under limiting plate 2 Side is connected with support supporting plate 5, and U-shaped concave-board 6 is weldingly fixed on support supporting plate 5, and the outside engaging of supporting plate 5 is supported to have engaging Block 17, clamping block 17 is weldingly fixed on the outside of storage box 7, and the side of storage box 7 is provided with rectangle hanger 8, supports supporting plate 5 Bottom be provided with screw rod 9, and the outside of supporting plate 5 is supported to be provided with threaded block 10, the lower section of threaded block 10 is connected with supporting steel Bar 11, and the lower section of steel pole 11 is supported to be welded with crust of the device plate 12, the bottom of crust of the device plate 12 is provided with shifting roller 13, The bottom of screw rod 9 is welded with limited block 14, and the lower section of projector 1 is provided with grid supporting plate 15, and the outside of projector 1 is provided with Plastic cement support block 16, the outside of rectangle hanger 8 offer limiting through hole 18, and the bottom of limiting plate 2 is provided with the second sliding block 19, and The bottom of second sliding block 19 is provided with the second sliding rail 20.

Projector 1 and limiting plate 2 pass through the second sliding block 19 and the second sliding rail 20 constitutes slide construction, and limiting plate 2 Outside it is equidistant offer thermal vias 4, the position of projector 1 is adjusted by the second sliding block 19 and the second sliding rail 20 Section, increases the convenience of teachers ' teaching.

U-shaped concave-board 6 is symmetrical about support 5 center line of supporting plate, and U-shaped concave-board 6 and storage box 7 pass through clamping block 17 connections, and storage box 7 and rectangle hanger 8 are welded with clamping block 17, are hung by U-shaped concave-board 6 to storage box 7 and rectangle Frame 8 is fixed, convenient for drawing to different types of according to storing.

The inside of rectangle hanger 8 includes the first sliding rail 801, the first sliding block 802 and limit cross bar 803, and rectangle hanger 8 Outside be welded with the first sliding rail 801, and the outside of the first sliding rail 801 is provided with the first sliding block 802, and the first sliding block 802 side is welded with limit cross bar 803, while the width for limiting cross bar 803 is greater than the width of rectangle hanger 8, passes through rectangle 803 pairs of drawing bases of limit cross bar in 8 outside of hanger are fixed, and are directly removed tool by mobile limit cross bar 803, Increase the convenience that drawing tool uses.

Threaded block 10 is that bearing is connect, and supports steel pole 11 with screw rod 9 to be threadedly coupled, and screw rod with support steel pole 11 9 constitute lifting structure by threaded block 10 and support steel pole 11, by rotating threaded block 10, and then screw rod 9 are driven to be rotated Rise, convenient for 1 height of projector is adjusted.

The length of second sliding rail 20 is less than the length of support supporting plate 5, and the second sliding rail 20 is mutually flat with limiting plate 2 Row, the projector 1 convenient for 20 top of the second sliding rail carry out horizontal transverse movement, increase the mobile convenience of projector 1.

Working principle: when using the mathematical education projection arrangement, according to Fig. 1 and Fig. 2, operator will first be thrown Shadow instrument 1 is placed on the grid supporting plate 15 inside limiting plate 2, subsequent rotational positioning bolt 3, passes through 3 outside of positioning bolt The outside of projector 1 is fixed in plastic cement support block 16, and subsequent teacher rotates threaded block 10, pass through according to the height of projection cloth Threaded block 10 drives screw rod 9 to carry out rotation and moves up, and drives support supporting plate 5 and projector 1 to move up by screw rod 9, limits The height that position block 14 rotates screw rod 9 limits, and according to Fig.6, teacher is by pushing limiting plate 2,2 band of limiting plate Dynamic second sliding block 19 is slided in the second sliding rail 20, and then adjusts the lengthwise position of projector 1, according to Fig. 1 to Fig. 3, Then drawing tool is inserted on limit cross bar 803, then pulls the first sliding block 802 of limit 803 side of cross bar, by the One sliding block 802 is slided in the first sliding rail 801, to adjust the position of limit cross bar 803, and will limit 803 side of cross bar It is inserted into the inside of limiting through hole 18, teacher can will be difficult to fixed drawing and be placed into storage box 7 according to such as compasses, according to It shown in Fig. 4, and is fixed by the clamping block 17 in 8 outside of storage box 7 and rectangle hanger with U-shaped concave-board 6, projector 1 exists The heat derives that the course of work is generated work by grid supporting plate 15, and go out device using 4 direct emission of thermal vias.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (6)

1. a kind of mathematical education projection arrangement, including projector (1) and U-shaped concave-board (6), it is characterised in that: the projection The bottom of instrument (1) is provided with limiting plate (2), and positioning bolt (3) are provided on the outside of limiting plate (2), the limit bottom It is offered thermal vias (4) on the outside of seat (2), and is connected with support supporting plate (5), the U-shaped groove below limiting plate (2) Plate (6) is weldingly fixed in support supporting plate (5), and the outside engaging of supporting plate (5) is supported to have clamping block (17), the clamping block (17) it is weldingly fixed on the outside of storage box (7), and the side of storage box (7) is provided with rectangle hanger (8), the support supporting plate (5) bottom is provided with screw rod (9), and is supported and be provided with threaded block (10) on the outside of supporting plate (5), under the threaded block (10) Side is connected with support steel pole (11), and supports and be welded with crust of the device plate (12), described device Shell Plate below steel pole (11) (12) bottom is provided with shifting roller (13), and the bottom of the screw rod (9) is welded with limited block (14), the projector (1) Lower section be provided with grid supporting plate (15), and plastic cement support block (16) are provided on the outside of projector (1), the rectangle hanger (8) Outside offer limiting through hole (18), the bottom of the limiting plate (2) is provided with the second sliding block (19), and the second sliding block (19) bottom is provided with the second sliding rail (20).

2. a kind of mathematical education projection arrangement according to claim 1, it is characterised in that: the projector (1) and limit Position pedestal (2) constitutes slide construction by the second sliding block (19) and the second sliding rail (20), and the outside of limiting plate (2) is equidistant Offer thermal vias (4).

3. a kind of mathematical education projection arrangement according to claim 1, it is characterised in that: the U-shaped concave-board (6) is closed It is symmetrical in support supporting plate (5) center line, and U-shaped concave-board (6) is connect with storage box (7) by clamping block (17), and Storage box (7) and rectangle hanger (8) are welded with clamping block (17).

4. a kind of mathematical education projection arrangement according to claim 1, it is characterised in that: the rectangle hanger (8) Inside includes the first sliding rail (801), the first sliding block (802) and limit cross bar (803), and the outside of rectangle hanger (8) is welded Have the first sliding rail (801), and be provided with the first sliding block (802) on the outside of the first sliding rail (801), and the first sliding block (802) Side be welded with limit cross bar (803), while limit cross bar (803) width be greater than rectangle hanger (8) width.

5. a kind of mathematical education projection arrangement according to claim 1, it is characterised in that: the threaded block (10) and branch Steel pole (11) are supportted as bearing connection, and supporting steel pole (11) is to be threadedly coupled, and screw rod (9) passes through threaded block with screw rod (9) (10) lifting structure is constituted with support steel pole (11).

6. a kind of mathematical education projection arrangement according to claim 1, it is characterised in that: second sliding rail (20) Length is less than the length of support supporting plate (5), and the second sliding rail (20) is to be parallel to each other with limiting plate (2).