CN213781233U - Geometry projection device for mathematical education - Google Patents
Geometry projection device for mathematical education Download PDFInfo
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- CN213781233U CN213781233U CN202022648861.4U CN202022648861U CN213781233U CN 213781233 U CN213781233 U CN 213781233U CN 202022648861 U CN202022648861 U CN 202022648861U CN 213781233 U CN213781233 U CN 213781233U
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Abstract
The utility model provides a mathematical education uses geometric projection arrangement, including projection box, thermovent, case lid, handle, fixing base, universal wheel, cleanable dust absorption box structure, electric push rod, loading board, rotatable show stand structure, adjustable projector mount structure, projector and mathematical education receiver, the upper portion of projection box left and right sides outer wall seted up the thermovent; the box cover is hinged to the upper part of the projection box body; the right end of the handle is connected to the middle part of the left side of the projection box body through a bolt; the inner sides of the fixed seats are respectively connected with the left side and the right side of the lower part of the projection box body through bolts; the universal wheels are respectively connected to the four corners of the lower part of the projection box body through bolts. The utility model is provided with the fixing frame, the rotating seat, the adjusting rod, the sleeve and the adjusting bolt, which is beneficial to adjusting the height and the angle of the projector; the setting of show stand, bracing piece, bearing and mount pad is favorable to the how much teaching aid of multi-angle show.
Description
Technical Field
The utility model belongs to the technical field of the teaching equipment, especially, relate to a geometry projection arrangement is used in mathematical education.
Background
Along with the progress and popularization of the multimedia technology, the multimedia technology is more and more widely applied to teaching, and the projector is used as the most common teaching means of teachers and schools and is most closely connected with the traditional classroom teaching; when teaching in classroom, the teacher can utilize the projector to provide visual material, and can induce the learning thinking of students by means of bright and vivid picture. The teaching material is projected on the screen by using the projector, so that the interest of students can be stimulated, the thinking gate of the students can be opened, the students can be helped to better focus on the direction guided by teachers, and the learning efficiency is improved; in the existing mathematical geometry teaching process, a projector is also often required to be used for amplifying the principles of geometric theorem, figure change and the like to a screen for analysis and explanation.
But present mathematical education still exists the height and the angle of the projector of being not convenient for to adjust for geometry projection arrangement for current mathematical education, the multi-angle of being not convenient for show geometry teaching aid and the clean problem of being not convenient for.
Therefore, it is very necessary to invent a geometric projection device for mathematical education.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a geometry projection arrangement is used in mathematical education to there are height and the angle of the regulation projecting apparatus of being not convenient for in solving current geometry projection arrangement is used in mathematical education, the multi-angle of being not convenient for show geometry teaching aid and the clear problem of being not convenient for. A geometric projection device for mathematical education comprises a projection box body, a heat dissipation port, a box cover, a handle, a fixed seat, universal wheels, a cleanable dust suction box structure, an electric push rod, a bearing plate, a rotatable display stand structure, an adjustable projector fixing frame structure, a projector and a mathematical education aid storage box, wherein the outer walls of the left side and the right side of the upper part of the projection box body are provided with the heat dissipation port; the box cover is hinged to the upper part of the projection box body; the right end of the handle is connected to the middle part of the left side of the projection box body through a bolt; the inner sides of the fixed seats are respectively connected with the left side and the right side of the lower part of the projection box body through bolts; the universal wheels are respectively bolted at the four corners of the lower part of the projection box body; the cleanable dust collection box structure is connected with the projection box body; the upper ends of the electric push rods are respectively bolted to the four corners of the lower part of the bearing plate, and the lower ends of the electric push rods are respectively bolted to the four corners of the bottom inside the projection box body; the rotatable display stand structure is connected with the bearing plate; the adjustable projector fixing frame structure is connected with the bearing plate and the projector; the lower parts of the mathematical teaching aid storage boxes are respectively connected to the left end and the right end of the rear side of the upper part of the bearing plate through bolts; the adjustable projector fixing frame structure comprises a fixing frame, a rotating seat, an adjusting rod, a sleeve and an adjusting bolt, wherein the rotating seat is axially connected to the four corners of the outer side of the fixing frame; the middle part of the lower side of the rotating seat is connected with the upper end of the adjusting rod through a bolt; the lower end of the adjusting rod is inserted into the upper end of the sleeve and is fastened and connected through an adjusting bolt.
Preferably, the rotatable display stand structure comprises an anti-skid layer, a display stand, a support rod, a bearing and a mounting seat, wherein the anti-skid layer is glued on the upper part of the display stand; the upper end of the supporting rod is connected to the middle of the lower side of the display stand through a bolt, and the lower end of the supporting rod is connected to the middle of the upper side of the mounting seat through a bearing.
Preferably, the cleanable dust collection box structure comprises a dust collection box, an air inlet, a dust collection box cover, a filter screen, a fan and an air outlet, wherein the air inlet is formed in the upper part of the left side of the dust collection box; the dust collection box cover is in threaded connection with the upper part of the dust collection box; the filter screen is longitudinally bolted at the middle part inside the dust collection box; the fan is connected to the right side inside the dust collection box through a bolt; the air outlet is arranged in the middle of the right side of the dust collection box.
Preferably, the projector is bolted to the middle of the upper side of the fixing frame.
Preferably, the lower ends of the sleeves are respectively connected to the periphery of the rear side of the upper part of the bearing plate through bolts.
Preferably, the lower end of the mounting seat is bolted to the middle front side of the upper part of the bearing plate.
Preferably, the dust collection box is connected to the right lower corner inside the projection box body through a bolt and is positioned between the two electric push rods arranged on the right side.
Preferably, the anti-skid layer is a rubber layer.
Preferably, the filter screen is a VBB glass fiber net.
Preferably, the lower part of the right side of the projection box body is provided with a through hole corresponding to the dust suction box.
Preferably, the bearing plate is a stainless steel mesh plate.
Preferably, the electric push rod adopts an XTL50 type electric push rod; the fan adopts an FZY type fan.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, the mount, rotate the seat, adjust the pole, sleeve pipe and adjusting bolt's setting is favorable to adjusting the height and the angle of projecting apparatus.
2. The utility model discloses in, the show stand, the bracing piece, the setting of bearing and mount pad is favorable to the how much teaching aid of multi-angle show.
3. The utility model discloses in, dust collection box, air intake, dust collection box cover, the filter screen, the setting of fan and air outlet is favorable to clean the chalk dust.
4. The utility model discloses in, the setting of electric push rod and loading board, be favorable to going up and down the projecting apparatus laborsavingly more.
5. The utility model discloses in, the setting of projection box and case lid, be favorable to placing the projecting apparatus, avoid the ash that falls.
6. The utility model discloses in, the setting of skid resistant course, be favorable to making the teaching aid place on the show stand more firmly.
7. The utility model discloses in, the setting of mathematics teaching aid receiver be favorable to accomodating the mathematics teaching aid, be convenient for access.
8. The utility model discloses in, the setting of thermovent, be favorable to the heat dissipation and ventilation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the adjustable projector mount structure of the present invention.
Fig. 3 is a schematic structural view of the rotatable display stand structure of the present invention.
Fig. 4 is a schematic structural view of the cleanable dust suction box structure of the present invention.
In the figure:
1. a projection box body; 2. a heat dissipation port; 3. a box cover; 4. a handle; 5. a fixed seat; 6. a universal wheel; 7. the dust collection box structure can be cleaned; 71. a dust collection box; 72. an air inlet; 73. a dust collection box cover; 74. a filter screen; 75. a fan; 76. an air outlet; 8. an electric push rod; 9. a carrier plate; 10. a rotatable display stand structure; 101. an anti-slip layer; 102. a display stand; 103. a support bar; 104. a bearing; 105. a mounting seat; 11. the structure of the projector fixing frame can be adjusted; 111. a fixed mount; 112. a rotating seat; 113. adjusting a rod; 114. a sleeve; 115. adjusting the bolt; 12. a projector; 13. mathematics teaching aid receiver.
Detailed Description
The utility model is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, a geometric projection device for mathematical education comprises a projection box body 1, a heat dissipation port 2, a box cover 3, a handle 4, a fixed seat 5, universal wheels 6, a cleanable dust suction box structure 7, an electric push rod 8, a bearing plate 9, a rotatable display stand structure 10, an adjustable projector fixing frame structure 11, a projector 12 and a mathematical teaching aid storage box 13, wherein the outer walls of the left and right sides of the upper part of the projection box body 1 are provided with the heat dissipation port 2; the box cover 3 is hinged to the upper part of the projection box body 1; the right end of the handle 4 is connected with the middle part of the left side of the projection box body 1 through a bolt; the fixed seats 5 are respectively connected to the left side and the right side of the lower part of the projection box body 1 through bolts at the inner sides; the universal wheels 6 are respectively bolted at the four corners of the lower part of the projection box body 1; the cleanable dust collection box structure 7 is connected with the projection box body 1; the upper ends of the electric push rods 8 are respectively bolted to the four corners of the lower part of the bearing plate 9, and the lower ends of the electric push rods are respectively bolted to the four corners of the bottom inside the projection box body 1; the rotatable display stand structure 10 is connected with the bearing plate 9; the adjustable projector fixing frame structure 11 is connected with the bearing plate 9 and the projector 12; the lower parts of the mathematical teaching aid storage boxes 13 are respectively bolted to the left end and the right end of the rear side of the upper part of the bearing plate 9; the adjustable projector fixing frame structure 11 comprises a fixing frame 111, a rotating seat 112, an adjusting rod 113, a sleeve 114 and an adjusting bolt 115, wherein the rotating seat 112 is axially connected to four corners of the outer side of the fixing frame 111; the middle part of the lower side of the rotating seat 112 is connected with the upper end of the adjusting rod 113 through a bolt; the lower end of the adjusting rod 113 is inserted into the upper end of the sleeve 114 and is fastened and connected through an adjusting bolt 115; the height and angle of the fixing frame 111 can be adjusted by loosening the adjusting bolt 115, moving the rotating base 112 and the adjusting rod 113 up and down to appropriate positions, and then tightening the adjusting bolt 115.
In this embodiment, referring to fig. 3, the rotatable display stand structure 10 includes an anti-slip layer 101, a display stand 102, a support rod 103, a bearing 104 and a mounting seat 105, wherein the anti-slip layer 101 is glued on the upper portion of the display stand 102; the upper end of the supporting rod 103 is connected with the middle part of the lower side of the display stand 102 through a bolt, and the lower end is connected with the middle part of the upper side of the mounting seat 105 through a bearing 104; place geometry teaching aid on skid resistant course 101, rotate show stand 102, show stand 102 drives geometry teaching aid and rotates about, can the geometry teaching aid of multi-angle show.
In this embodiment, as shown in fig. 4, the cleanable dust box structure 7 includes a dust box 71, an air inlet 72, a dust box cover 73, a filter screen 74, a fan 75 and an air outlet 76, wherein the air inlet 72 is formed at the upper left side of the dust box 71; the dust collection box cover 73 is in threaded connection with the upper part of the dust collection box 71; the filter screen 74 is longitudinally bolted at the middle part inside the dust collection box 71 and can filter air with powder dust; the fan 75 is connected to the right side inside the dust collection box 71 through a bolt, and powder dust and the like can be sucked into the dust collection box 71 through the air inlet 72 by the fan 75; the air outlet 76 is arranged in the middle of the right side of the dust collection box 71.
In this embodiment, specifically, the projector 12 is bolted to the middle of the upper side of the fixing frame 111.
In this embodiment, specifically, the lower ends of the sleeves 114 are respectively bolted to the periphery of the upper rear side of the bearing plate 9.
In this embodiment, specifically, the lower end of the mounting seat 105 is bolted to the middle front side of the upper part of the bearing plate 9.
In this embodiment, specifically, the dust suction box 71 is bolted to the lower right corner inside the projection box 1 and is located between the two right electric push rods 8.
In this embodiment, specifically, the anti-slip layer 101 is a rubber layer.
In this embodiment, the filter screen 74 is a VBB glass fiber web.
In this embodiment, specifically, the lower portion of the right side of the projection box 1 is provided with a through hole corresponding to the dust suction box 71, so that the dust suction box 71 can be taken out from the projection box 1.
In this embodiment, the bearing plate 9 is specifically a stainless steel mesh plate.
In this embodiment, specifically, the electric push rod 8 is an XTL50 type electric push rod; the fan 75 is an FZY fan.
Principle of operation
The utility model discloses in, after installing projector 12 on mount 111, can loosen adjusting bolt 115, will rotate seat 112 and adjust pole 113 and reciprocate suitable position, tighten adjusting bolt 115 again, when the regulation pole 113 of rear side is higher than the regulation pole 113 of front side, projector 12 inclines forward, when the regulation pole 113 of rear side is lower than the regulation pole 113 of front side, projector 12 inclines backward, has realized the regulatory function of projector 12 angle and height; a user can place the geometry teaching aid on the anti-skid layer 101, the display platform 102 is rotated, the display platform 102 drives the geometry teaching aid to rotate left and right, and the multi-angle display function of the geometry teaching aid is realized; when the projector 12 is used, powder dust and the like enter the projection box 1, the fan 75 is turned on through a control switch arranged outside at the moment, the fan 75 can suck the powder dust and the like into the dust collection box 71 through the air inlet 72, the powder dust is left on the left side inside the dust collection box 71 after being filtered by the filter screen 74, the dust collection box 71 is taken out of the projection box 1, the dust collection box cover 73 is screwed off, the filter screen 74 can be replaced, and the powder dust is cleaned to the garbage can.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (9)
1. The geometric projection device for the mathematical education is characterized by comprising a projection box body (1), a heat dissipation opening (2), a box cover (3), a handle (4), a fixed seat (5), universal wheels (6), a cleanable dust suction box structure (7), an electric push rod (8), a bearing plate (9), a rotatable display stand structure (10), an adjustable projector fixing frame structure (11), a projector (12) and a mathematical education box (13), wherein the heat dissipation opening (2) is formed in the outer walls of the left side and the right side of the upper portion of the projection box body (1); the box cover (3) is hinged to the upper part of the projection box body (1); the right end of the handle (4) is connected with the middle part of the left side of the projection box body (1) through a bolt; the inner sides of the fixed seats (5) are respectively connected with the left side and the right side of the lower part of the projection box body (1) through bolts; the universal wheels (6) are respectively connected to the four corners of the lower part of the projection box body (1) through bolts; the cleanable dust collection box structure (7) is connected with the projection box body (1); the upper ends of the electric push rods (8) are respectively connected to the four corners of the lower part of the bearing plate (9) through bolts, and the lower ends of the electric push rods are respectively connected to the four corners of the bottom inside the projection box body (1) through bolts; the rotatable display stand structure (10) is connected with the bearing plate (9); the adjustable projector fixing frame structure (11) is connected with the bearing plate (9) and the projector (12); the lower parts of the mathematical teaching aid storage boxes (13) are respectively connected to the left end and the right end of the rear side of the upper part of the bearing plate (9) through bolts; the adjustable projector fixing frame structure (11) comprises a fixing frame (111), a rotating seat (112), an adjusting rod (113), a sleeve (114) and an adjusting bolt (115), wherein the rotating seat (112) is axially connected to the four corners of the outer side of the fixing frame (111); the middle part of the lower side of the rotating seat (112) is connected with the upper end of the adjusting rod (113) through a bolt; the lower end of the adjusting rod (113) is inserted into the upper end of the sleeve (114) and is fastened and connected through an adjusting bolt (115).
2. The geometric projection device for mathematics teaching as claimed in claim 1, wherein said rotatable display stand structure (10) comprises an anti-slip layer (101), a display stand (102), a support rod (103), a bearing (104) and a mounting seat (105), said anti-slip layer (101) is glued on the upper part of the display stand (102); the upper end of the supporting rod (103) is connected with the middle part of the lower side of the display platform (102) through a bolt, and the lower end of the supporting rod is connected with the middle part of the upper side of the mounting seat (105) through a bearing (104).
3. The geometry projection device for mathematics teaching as claimed in claim 1, wherein said cleanable dust box structure (7) comprises a dust box (71), an air inlet (72), a dust box cover (73), a filter screen (74), a fan (75) and an air outlet (76), the upper portion of the left side of said dust box (71) is provided with the air inlet (72); the dust collection box cover (73) is in threaded connection with the upper part of the dust collection box (71); the filter screen (74) is longitudinally bolted at the middle part inside the dust collection box (71); the fan (75) is connected to the right side of the interior of the dust collection box (71) through a bolt; the air outlet (76) is arranged in the middle of the right side of the dust collection box (71).
4. A geometry projection unit for teaching mathematics as claimed in claim 1, wherein said projector (12) is bolted to the upper central part of the holder (111).
5. A geometry projection device for mathematics as claimed in claim 1, characterized in that said sleeves (114) are bolted at their respective lower ends around the upper rear side of the carrier plate (9).
6. The geometry projection apparatus for mathematics as claimed in claim 2, wherein the lower end of said mounting seat (105) is bolted to the middle front side of the upper part of the loading plate (9).
7. A geometry projection device for mathematics as defined in claim 3, wherein said suction box (71) is bolted to the lower right corner of the interior of the projection box (1) and is located between two said electric push rods (8) arranged on the right side.
8. A geometric projection device for mathematics as claimed in claim 2, wherein said anti-slip layer (101) is made of rubber.
9. A geometric projection arrangement for teaching mathematics as claimed in claim 3, wherein said screen (74) is VBB fiberglass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022648861.4U CN213781233U (en) | 2020-11-17 | 2020-11-17 | Geometry projection device for mathematical education |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022648861.4U CN213781233U (en) | 2020-11-17 | 2020-11-17 | Geometry projection device for mathematical education |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213781233U true CN213781233U (en) | 2021-07-23 |
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ID=76916957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022648861.4U Active CN213781233U (en) | 2020-11-17 | 2020-11-17 | Geometry projection device for mathematical education |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213781233U (en) |
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2020
- 2020-11-17 CN CN202022648861.4U patent/CN213781233U/en active Active
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