CN113066319B - Teaching display rack for new generation information technology - Google Patents
Teaching display rack for new generation information technology Download PDFInfo
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- CN113066319B CN113066319B CN202110279886.8A CN202110279886A CN113066319B CN 113066319 B CN113066319 B CN 113066319B CN 202110279886 A CN202110279886 A CN 202110279886A CN 113066319 B CN113066319 B CN 113066319B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Transmission Devices (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The invention relates to a teaching display rack, in particular to a teaching display rack for a new generation of information technology. The invention provides a teaching display rack which can shield sunlight and is convenient to move and used for new generation information technology. A teaching display rack for new generation information technology, comprising: the support frames and the first support connecting plates are connected with the first support connecting plates; the first support connecting plate is provided with a first support connecting plate; the second support connecting plate is provided with a rolling mechanism; the locking mechanism is arranged on the rolling mechanism; the switch unlocking mechanism is arranged on the winding mechanism and is matched with the locking mechanism. The invention achieves the effect of convenient teaching of teachers, and the invention facilitates teaching of teachers by using new technologies such as projectors and the like in class through the cooperation of the rolling mechanism, the locking mechanism and the switch unlocking mechanism.
Description
Technical Field
The invention relates to a teaching display rack, in particular to a teaching display rack for a new generation of information technology.
Background
In modern teaching, often use the projecting apparatus to carry out courseware show, ordinary projection curtain can't remove, can only fix in the religion, and when illumination intensity is great, the picture colour that the projection comes out is lighter, leads to the projection effect relatively poor.
The utility model discloses a publication number is CN211787706U, discloses a teaching exhibition frame for new generation information technology, the on-line screen storage device comprises a base, the bottom fixedly connected with supporting shoe of base, one side fixedly connected with hinge of base, one side fixedly connected with access panel of hinge, draw-in groove has been seted up to one side of access panel, the spout has been seted up at the top of base, the interior bottom fixedly connected with fixing bolt of base, fixing bolt's outer wall fixedly connected with mount, the inner wall fixedly connected with motor of mount, the output shaft of motor passes through shaft coupling fixedly connected with drive gear, and this teaching exhibition frame for new generation information technology has reached the problem of being convenient for angle regulation for general new generation information technology is inconvenient for angle regulation's problem for people are more convenient when using this teaching exhibition frame for new generation information technology, can not influence people's watching, also make people's use more convenient, but this equipment can't remove at will.
Therefore, there is a need to develop a teaching display rack for new generation information technology that can block sunlight and is convenient to move.
Disclosure of Invention
In order to overcome the defects that the existing display rack cannot shade sunlight and is inconvenient to move, the technical problem to be solved is that: the teaching display rack for the new generation of information technology can shield sunlight and is convenient to move.
The technical scheme of the invention is as follows: a teaching display rack for new generation information technology, comprising:
the first support connecting plates are connected to the two support frames;
the first support connecting plate is provided with a first support connecting plate;
the second support connecting plate is provided with a rolling mechanism;
the locking mechanism is arranged on the rolling mechanism;
the switch unlocking mechanism is arranged on the winding mechanism and is matched with the locking mechanism.
As a preferable technical scheme of the invention, the rolling mechanism comprises:
the second support connecting plate is provided with a connecting sliding rail;
the two connecting sliding rails are rotatably provided with projection cloth;
the connecting sliding blocks are arranged on the two connecting sliding rails in a sliding manner and are connected with the projection cloth;
and the first torsion springs are wound on the projection cloth and are connected with the projection cloth and the connecting sliding rail.
As a preferred embodiment of the present invention, the locking mechanism includes:
the first connecting frame is arranged on the connecting sliding rail;
the first connecting frame is rotatably provided with a rotating baffle which is matched with the connecting sliding block;
the second torsion springs are wound on the rotating baffle plate and are connected with the first connecting frame and the rotating baffle plate.
As a preferable technical scheme of the invention, the switch unlocking mechanism comprises:
the second connecting frame is arranged on the connecting sliding rail;
the sliding connecting rod is arranged on the second connecting frame in a sliding manner;
the sliding connecting rod is provided with a first rack;
the first spring is wound on the sliding connecting rod and is connected with the sliding connecting rod and the second connecting frame;
the first straight gear is rotatably arranged on the first connecting frame and is connected with the rotating baffle plate, and the first straight gear is meshed with the first rack.
As a preferable technical scheme of the invention, the invention further comprises:
the sunshade mechanism is arranged on the rolling mechanism;
the sunshade mechanism comprises:
the rotating fixing rod is connected with the sliding rail and provided with two rotating fixing rods;
a piece of sun-shading cloth is rotatably arranged between the two rotary fixing rods at one side;
a rotation driving rod is rotatably arranged between the two rotation fixing rods at the other side;
and a first pull rope is connected between the sun-shading cloth and the rotating driving rod.
As a preferable technical scheme of the invention, the invention further comprises:
the automatic opening mechanism is arranged on the sunshade mechanism and is connected with the rolling mechanism;
the automatic opening mechanism comprises:
the reel is arranged on the rotation driving rod;
the second pull rope is wound on the reel and is connected with the reel and the projection cloth;
and the third torsion springs are wound on the rotation driving rod and are connected with the rotation driving rod and the rotation fixing rod.
As a preferable technical scheme of the invention, the invention further comprises:
the portable moving mechanism is arranged on the first support connecting plate;
the portable moving mechanism comprises:
the rotating shafts are rotatably arranged on the first support connecting plate;
the rotating shaft is provided with a contraction rotating wheel;
the first support connecting plate is provided with two positioning baffles which are matched with the shrinkage rotating wheels.
As a preferable technical scheme of the invention, the invention further comprises:
the second support connecting plate is provided with an automatic ejection mechanism which is connected with the switch unlocking mechanism and the portable moving mechanism;
the automatic ejecting mechanism comprises:
the second support connecting plate is provided with two positioning sliding sleeves;
the connecting driving rod is arranged on the two positioning sliding sleeves in a sliding manner, and is connected with the sliding connecting rod;
the second springs are connected with the driving rod and are wound on the two second springs, and the second springs are connected with the positioning sliding sleeve and the connecting driving rod;
the connecting driving rod is provided with two second racks;
and the rotating shaft is provided with a second spur gear which is meshed with the second rack.
Compared with the prior art, the invention has the following advantages:
1. the invention achieves the effect of convenient teaching of teachers, and the invention facilitates teaching by using new technologies such as projectors and the like by matching the rolling mechanism, the locking mechanism and the switch unlocking mechanism when teachers are in class, so that the teaching modes are more abundant.
2. The invention achieves the effect of improving the quality of the projection picture, and the invention can block the light above the projection cloth to increase the definition of the projection picture when the device is used outdoors through the matching of the sunshade mechanism and the automatic opening mechanism.
3. The invention achieves the effect of convenient movement, and can realize automatic ejection of the shrinkage rotating wheel when the projection cloth is rewound after the class is finished by the cooperation of the portable moving mechanism and the automatic ejection mechanism, thereby facilitating the movement of equipment.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the rolling mechanism of the present invention.
Fig. 3 is a schematic perspective view of a locking mechanism according to the present invention.
Fig. 4 is a schematic perspective view of a switch unlocking mechanism of the present invention.
Fig. 5 is a schematic perspective view of a sunshade mechanism according to the present invention.
Fig. 6 is a schematic perspective view of the automatic opening mechanism of the present invention.
Fig. 7 is a schematic perspective view of a portable moving mechanism according to the present invention.
Fig. 8 is a schematic perspective view of an automatic pop-up mechanism according to the present invention.
Reference numerals: 1: support frame, 2: first support connecting plate, 3: second support connecting plate, 4: shrink rolling mechanism, 41: connecting sliding rail, 42: projection cloth, 43: connecting sliding blocks, 44: first torsion spring, 5: locking mechanism, 51: first connection frame, 52: rotating baffle, 53: second torsion spring, 6: switch unlocking mechanism, 61: second connection frame, 62: slide connecting rod, 63: first rack, 64: first spring, 65: first straight gear, 7: sunshade mechanism, 71: rotating the fixed rod, 72: sun-shading cloth, 73: rotating the drive lever, 74: first stay cord, 8: automatic opening mechanism, 81: reel, 82: second pull rope, 83: third torsion spring, 9: portable movement mechanism, 91: rotating shaft, 92: shrink rotation wheel, 93: positioning baffle, 10: automatic ejection mechanism, 101: positioning the sliding sleeve, 102: connecting the driving rod, 103: second spring, 104: second rack, 105: a second spur gear.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which currently preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Example 1
A teaching exhibition frame for new generation information technology is shown as fig. 1, including support frame 1, first support connecting plate 2, second support connecting plate 3, roll-up mechanism 4, locking mechanical system 5 and switch release mechanism 6, the support frame 1 upper portion inboard of both sides is connected with first support connecting plate 2 around, first support connecting plate 2 top is equipped with second support connecting plate 3, second support connecting plate 3 topside middle part is equipped with roll-up mechanism 4, roll-up mechanism 4 lower part is equipped with locking mechanical system 5, roll-up mechanism 4 lower part is equipped with switch release mechanism 6, switch release mechanism 6 cooperates with locking mechanical system 5.
When a teacher uses the projector for teaching, the display rack of the projector is inconvenient to move, the invention helps the teacher to better use the display rack for teaching, after the rolling mechanism 4 is pulled downwards, the locking mechanism 5 clamps the rolling mechanism 4, so that the locking mechanism 5 can display teaching courseware, after teaching is finished, the locking mechanism 5 does not clamp the rolling mechanism 4 any more through switching the unlocking mechanism 6, the rolling mechanism 4 is restored to the initial state, and when the equipment is used again, the steps are repeated.
Example 2
On the basis of embodiment 1, as shown in fig. 2, 3 and 4, the winding mechanism 4 comprises a connecting sliding rail 41, a projection cloth 42, connecting sliding blocks 43 and a first torsion spring 44, wherein the middle part of the top side of the second support connecting plate 3 is provided with the connecting sliding rail 41, the upper parts of the two connecting sliding rails 41 are rotatably provided with the projection cloth 42, the middle parts of the two connecting sliding rails 41 are slidably provided with the connecting sliding blocks 43, the connecting sliding blocks 43 are connected with the bottom of the projection cloth 42, the left side and the right side of the projection cloth 42 are respectively wound with the first torsion spring 44, and the first torsion spring 44 is connected with the projection cloth 42 and the connecting sliding rail 41.
When the projection cloth 42 is unfolded, the connection sliding block 43 is pulled downwards, so that the projection cloth 42 rotates and is unfolded downwards, the first torsion spring 44 deforms, after the connection sliding block 43 is clamped by the locking mechanism 5, the connection sliding block 43 is released, the projection cloth 42 stops rotating, the unfolded projection cloth 42 is enough for displaying teaching courseware, after teaching is finished, the locking mechanism 5 does not clamp the connection sliding block 43 any more, the first torsion spring 44 gradually restores to the initial state, the first torsion spring 44 drives the projection cloth 42 to reversely rotate and recycle, the projection cloth 42 drives the connection sliding block 43 to move upwards, when the first torsion spring 44 thoroughly restores to the initial state, the projection cloth 42 stops rotating, the connection sliding block 43 stops moving, and when the device is used again, the steps are repeated.
The locking mechanism 5 comprises a first connecting frame 51, a rotating baffle plate 52 and a second torsion spring 53, the outer side of the lower part of the connecting sliding rail 41 is provided with the first connecting frame 51, the rotating baffle plate 52 is rotatably arranged on the upper part of the first connecting frame 51, the rotating baffle plate 52 is matched with the connecting sliding block 43, the second torsion spring 53 is wound around the front side and the rear side of the rotating baffle plate 52, and the second torsion spring 53 is connected with the first connecting frame 51 and the rotating baffle plate 52.
When the connecting sliding block 43 moves downwards to be matched with the rotating baffle plate 52, the connecting sliding block 43 pushes the rotating baffle plate 52 to rotate downwards, the second torsion spring 53 deforms, when the connecting sliding block 43 moves downwards to be not matched with the rotating baffle plate 52, the second torsion spring 53 restores the initial state, the second torsion spring 53 drives the rotating baffle plate 52 to rotate reversely, after the connecting sliding block 43 is loosened, the rotating baffle plate 52 clamps the connecting sliding block 43, the rotating baffle plate 52 prevents the connecting sliding block 43 from moving upwards, after teaching is finished, the rotating baffle plate 52 is rotated downwards through the switch unlocking mechanism 6, the connecting sliding block 43 is pushed by the rotating baffle plate 52 to move downwards until the connecting sliding block 43 does not match with the rotating baffle plate 52, at the moment, the pushing of the switch unlocking mechanism 6 is stopped, the rotating baffle plate 52 is rotated back to the initial position, and when the equipment is used again, the steps are repeated.
The switch unlocking mechanism 6 comprises a second connecting frame 61, a sliding connecting rod 62, a first rack 63, a first spring 64 and a first straight gear 65, wherein the second connecting frame 61 is arranged on the front side of the lower portion of the connecting sliding rail 41, the sliding connecting rod 62 is arranged on the upper portion of the second connecting frame 61 in a sliding mode, the first rack 63 is arranged on the front side of the lower portion of the sliding connecting rod 62, the first spring 64 is wound on the sliding connecting rod 62, the first spring 64 is connected with the sliding connecting rod 62 and the second connecting frame 61, the first straight gear 65 is rotatably arranged on the upper portion of the first connecting frame 51, the first straight gear 65 is connected with the rotating baffle 52, and the first straight gear 65 is meshed with the first rack 63.
After teaching, the sliding connecting rod 62 is pressed downwards, the first spring 64 is compressed, the sliding connecting rod 62 drives the first rack 63 to move downwards, the first rack 63 is meshed with the first straight gear 65, the first rack 63 drives the first straight gear 65 to rotate, the first straight gear 65 rotates, after the connecting sliding block 43 moves upwards, the sliding connecting rod 62 is loosened, the first spring 64 restores the initial state, the first spring 64 drives the sliding connecting rod 62 to move upwards, the first rack 63 moves upwards, the first rack 63 is meshed with the first straight gear 65, the second torsion spring 53 drives the rotating baffle plate 52 to rotate reversely, the first straight gear 65 rotates reversely, the first rack 63 moves to the initial position, and when the rotating baffle plate 52 stops rotating, the rotating baffle plate 52 is driven to rotate by the connecting sliding block 43, the first straight gear 65 is meshed with the first rack 63, the first rack 63 moves downwards, the sliding connecting rod 62 moves downwards, the first spring 64 is compressed, when the connecting sliding block 43 stops pushing the rotating baffle plate 52, the first rack 63 moves upwards again, and the initial state is restored when the rotating baffle plate 52 is repeatedly moved upwards.
Example 3
On the basis of embodiment 2, as shown in fig. 1, 5, 6, 7 and 8, the device further comprises a sunshade mechanism 7, the upper part of the rolling mechanism 4 is provided with the sunshade mechanism 7, the sunshade mechanism 7 comprises a rotation fixing rod 71, a sunshade cloth 72, a rotation driving rod 73 and a first pull rope 74, two rotation fixing rods 71 are arranged on the outer side of the upper part of the connecting sliding rail 41, the sunshade cloth 72 is rotatably arranged between the two rotation fixing rods 71 on the front side, a rotation driving rod 73 is rotatably arranged between the two rotation fixing rods 71 on the rear side, and a first pull rope 74 is connected between the rear side of the sunshade cloth 72 and the rotation driving rod 73.
When the equipment is used outdoors, the condition that projection is unclear is easily caused due to strong illumination intensity, at this moment, people can rotate the rotation driving rod 73, so that the rotation driving rod 73 winds the first pull rope 74, the first pull rope 74 pulls the sun-shading cloth 72 backwards, the sun-shading cloth 72 rotates, when the unfolded sun-shading cloth 72 is enough to block light above the projection cloth 42, the rotation driving rod 73 stops rotating, the rotation driving rod 73 is fixed, so that the definition of projection is increased, after teaching is finished, the rotation driving rod 73 is not fixed any more, the sun-shading cloth 72 automatically rotates and rolls back, the sun-shading cloth 72 pulls the first pull rope 74 forwards, the rotation driving rod 73 rotates to release the first pull rope 74, when the sun-shading cloth 72 is in an initial state, the rotation of the sun-shading cloth 72 stops, the rotation driving rod 73 stops rotating, and when the equipment is used again, the steps are repeated.
The automatic opening mechanism 8 is arranged at the rear part of the sunshade mechanism 7, the automatic opening mechanism 8 is connected with the winding mechanism 4, the automatic opening mechanism 8 comprises a reel 81, a second stay cord 82 and a third torsion spring 83, the left side and the right side of the rotation driving rod 73 are respectively provided with the reel 81, the reel 81 is wound with the second stay cord 82, the second stay cord 82 is connected with the reel 81 and the projection cloth 42, the left side and the right side of the rotation driving rod 73 are respectively wound with the third torsion spring 83, and the third torsion spring 83 is connected with the rotation driving rod 73 and the rotation fixing rod 71.
When the projection cloth 42 rotates, the projection cloth 42 winds the second pull rope 82, the reel 81 releases the second pull rope 82 and rotates, the reel 81 drives the rotation driving rod 73 to rotate, the third torsion spring 83 deforms, when the projection cloth 42 stops rotating, the rotation driving rod 73 is fixed due to the fact that the rotation baffle plate 52 is clamped with the connection sliding block 43, the automatic sun-shading effect is achieved, when the rotation baffle plate 52 is not clamped with the connection sliding block 43 any more, the projection cloth 42 reversely releases the second pull rope 82, meanwhile, the rotation driving rod 73 is not fixed any more, the third torsion spring 83 is enabled to restore the initial state, the third torsion spring 83 drives the rotation driving rod 73 to reversely rotate, the reel 81 is reversely driven to retract the second pull rope 82, when the third torsion spring 83 completely restores the initial state, the rotation of the reel 81 is stopped, the automatic sun-shading cloth 72 recovery effect is achieved, and when the device is used again, the steps are repeated.
Still including portable moving mechanism 9, be equipped with portable moving mechanism 9 in the first support connecting plate 2, portable moving mechanism 9 is including pivot 91, shrink rotation wheel 92 and positioning baffle 93, and the rotation is equipped with two pivots 91 in the first support connecting plate 2, and the pivot 91 middle part is equipped with shrink rotation wheel 92, is equipped with two positioning baffle 93 in the first support connecting plate 2, positioning baffle 93 and shrink rotation wheel 92 cooperation.
When the equipment needs to be moved, the shrinkage rotating wheel 92 is rotated outwards, so that the rotating shaft 91 rotates, when the shrinkage rotating wheel 92 is matched with the positioning baffle 93, the shrinkage rotating wheel 92 stops rotating, at the moment, the shrinkage rotating wheel 92 is contacted with the ground to jack up the first support connecting plate 2 upwards, the support frame 1 leaves the ground, people push the connecting sliding rail 41 to realize the movement of the equipment, when the equipment is fixed, the pushing of the connecting sliding rail 41 is stopped, the shrinkage rotating wheel 92 is rotated inwards to return to the first support connecting plate 2, the support frame 1 is contacted with the ground again, the effect of fixing the equipment is achieved, and when the equipment is used again, the steps are repeated.
The automatic ejection mechanism 10 is arranged on the second support connecting plate 3, the automatic ejection mechanism 10 is connected with the switch unlocking mechanism 6 and the portable moving mechanism 9, the automatic ejection mechanism 10 comprises a positioning sliding sleeve 101, a connecting driving rod 102, a second spring 103, a second rack 104 and a second spur gear 105, two positioning sliding sleeves 101 are arranged at the top of the second support connecting plate 3, a connecting driving rod 102 is arranged on the outer side of the upper portion of each positioning sliding sleeve 101 in a sliding mode, the connecting driving rod 102 is connected with the sliding connecting rod 62, two second springs 103 are wound around the middle portion of the connecting driving rod 102, the second springs 103 are connected with the positioning sliding sleeves 101 and the connecting driving rod 102, two second racks 104 are arranged on the lower portion of the connecting driving rod 102, a second spur gear 105 is arranged on the outer side of the rotating shaft 91, and the second spur gear 105 is meshed with the second rack 104.
When the sliding connecting rod 62 moves downwards, the sliding connecting rod 62 drives the connecting driving rod 102 to move downwards, the second spring 103 compresses, the connecting driving rod 102 drives the second rack 104 to move downwards, when the second rack 104 is meshed with the second spur gear 105, the second rack 104 drives the second spur gear 105 to rotate, the shrinkage rotating wheel 92 rotates out of the first supporting connecting plate 2, when the sliding connecting rod 62 moves upwards, the sliding connecting rod 62 drives the connecting driving rod 102 to move upwards, the second spring 103 restores to an initial state, the connecting driving rod 102 drives the second rack 104 to move upwards, and as the second rack 104 is meshed with the second spur gear 105 and is a one-way gear of the second spur gear 105, the second spur gear 105 idles, so that when the projection cloth 42 is rewound at the end of a classroom, the shrinkage rotating wheel 92 automatically pops up, the movement of the equipment is facilitated, and after the movement is completed, the shrinkage rotating wheel 92 is manually rotated back into the first supporting connecting plate 2, so that the second spur gear 105 can be reversely rotated, and the steps are repeated when the equipment is used again.
Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (3)
1. The utility model provides a teaching exhibition frame for new generation information technology which characterized in that includes:
the two support frames (1) are connected with the first support connecting plate (2);
the second support connecting plate (3), the first support connecting plate (2) is provided with the second support connecting plate (3);
the second support connecting plate (3) is provided with a rolling mechanism (4);
the locking mechanism (5) is arranged on the rolling mechanism (4);
the switch unlocking mechanism (6), the winding mechanism (4) is provided with the switch unlocking mechanism (6), and the switch unlocking mechanism (6) is matched with the locking mechanism (5); the rolling mechanism (4) comprises:
the second support connecting plate (3) is provided with a connecting sliding rail (41);
the projection cloth (42) is rotatably arranged on the two connecting sliding rails (41);
the connecting sliding blocks (43) are arranged on the two connecting sliding rails (41) in a sliding mode, the connecting sliding blocks (43) are connected with the projection cloth (42);
the first torsion springs (44) are wound on the projection cloth (42), and the first torsion springs (44) are connected with the projection cloth (42) and the connecting sliding rail (41); the locking mechanism (5) comprises:
the first connecting frame (51) is connected with the sliding rail (41) and is provided with the first connecting frame (51);
the rotating baffle plate (52) is rotatably arranged on the first connecting frame (51), and the rotating baffle plate (52) is matched with the connecting sliding block (43);
the second torsion springs (53) are wound on the rotating baffle plates (52), and the second torsion springs (53) are connected with the first connecting frame (51) and the rotating baffle plates (52); the switch unlocking mechanism (6) comprises:
the second connecting frame (61) is connected with the sliding rail (41) and is provided with the second connecting frame (61);
the sliding connecting rod (62) is arranged on the second connecting frame (61) in a sliding manner, and the sliding connecting rod (62) is arranged on the second connecting frame (61);
the first rack (63) is arranged on the sliding connecting rod (62);
the first spring (64) is wound on the sliding connecting rod (62), and the first spring (64) is connected with the sliding connecting rod (62) and the second connecting frame (61);
the first straight gear (65), the first connecting frame (51) is rotatably provided with the first straight gear (65), the first straight gear (65) is connected with the rotary baffle (52), and the first straight gear (65) is meshed with the first rack (63); the method also comprises the following steps:
a sunshade mechanism (7), wherein the contraction and rolling mechanism (4) is provided with the sunshade mechanism (7);
the sunshade mechanism (7) comprises:
a rotating fixed rod (71) is connected with the sliding rail (41), and two rotating fixed rods (71) are arranged on the sliding rail;
a piece of sun-shading cloth (72), wherein the sun-shading cloth (72) is rotatably arranged between the two rotary fixing rods (71) at one side;
a rotation driving rod (73), wherein a rotation driving rod (73) is rotatably arranged between the two rotation fixing rods (71) at the other side;
a first stay cord (74), wherein the first stay cord (74) is connected between the sun-shading cloth (72) and the rotation driving rod (73); the method also comprises the following steps:
the automatic opening mechanism (8) is arranged on the sunshade mechanism (7), the automatic opening mechanism (8) is connected with the rolling mechanism (4);
the automatic opening mechanism (8) comprises:
a reel (81), two reels (81) are arranged on the rotation driving rod (73);
a second stay cord (82), the reel (81) is wound with the second stay cord (82), and the second stay cord (82) is connected with the reel (81) and the projection cloth (42);
and the third torsion springs (83) are wound on the rotation driving rod (73), and the third torsion springs (83) are connected with the rotation driving rod (73) and the rotation fixing rod (71).
2. The teaching demonstration rack for the new generation information technology as claimed in claim 1, further comprising:
the portable moving mechanism (9) is arranged on the first support connecting plate (2);
the portable moving mechanism (9) comprises:
the rotating shafts (91) are rotatably arranged on the first support connecting plate (2);
a contraction rotating wheel (92), wherein the contraction rotating wheel (92) is arranged on the rotating shaft (91);
the positioning baffle plates (93), the first support connecting plate (2) is provided with two positioning baffle plates (93), and the positioning baffle plates (93) are matched with the shrinkage rotating wheels (92).
3. The teaching demonstration rack for the new generation information technology as claimed in claim 2, further comprising:
the automatic ejection mechanism (10) is arranged on the second support connecting plate (3), and the automatic ejection mechanism (10) is connected with the switch unlocking mechanism (6) and the portable moving mechanism (9);
the automatic ejection mechanism (10) comprises:
the second support connecting plate (3) is provided with two positioning sliding sleeves (101);
the connecting driving rod (102) is arranged on the two positioning sliding sleeves (101) in a sliding manner, the connecting driving rod (102) is arranged on the two positioning sliding sleeves, and the connecting driving rod (102) is connected with the sliding connecting rod (62);
the second springs (103) are connected with the driving rod (102) and are wound with two second springs (103), and the second springs (103) are connected with the positioning sliding sleeve (101) and the connecting driving rod (102);
the second racks (104) are connected with the driving rod (102) and are provided with two second racks (104);
and the second spur gear (105), the second spur gear (105) is arranged on the rotating shaft (91), and the second spur gear (105) is meshed with the second rack (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110279886.8A CN113066319B (en) | 2021-03-16 | 2021-03-16 | Teaching display rack for new generation information technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110279886.8A CN113066319B (en) | 2021-03-16 | 2021-03-16 | Teaching display rack for new generation information technology |
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| Publication Number | Publication Date |
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| CN113066319A CN113066319A (en) | 2021-07-02 |
| CN113066319B true CN113066319B (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110279886.8A Active CN113066319B (en) | 2021-03-16 | 2021-03-16 | Teaching display rack for new generation information technology |
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| JP2000231078A (en) * | 1999-02-10 | 2000-08-22 | Hitachi Ltd | Video projecting device |
| JP6611757B2 (en) * | 2017-05-11 | 2019-11-27 | 株式会社青井黒板製作所 | Projection device for blackboard |
| CN108269453A (en) * | 2018-01-24 | 2018-07-10 | 上海瓜齐电子科技有限公司 | A kind of art teaching rack |
| CN109545008A (en) * | 2019-01-14 | 2019-03-29 | 淄博职业学院 | A kind of Multi-media Computer Teaching device |
| CN110211516A (en) * | 2019-06-20 | 2019-09-06 | 德州可视激光科技有限公司 | A kind of outdoor large-size screen monitors that still image be combined with each other with dynamic image |
| CN110264819A (en) * | 2019-06-22 | 2019-09-20 | 苏州优筑网络科技有限公司 | A kind of ERP management sand table demonstration table |
| CN211207537U (en) * | 2020-01-09 | 2020-08-07 | 河北易腾数码科技有限公司 | Folding large-size electronic whiteboard |
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Effective date of registration: 20230411 Address after: 710000, Room 503, 5th Floor, Comprehensive Commercial Building, Nanxiao Lane, Xiguanzheng Street, Lianhu District, Xi'an City, Shaanxi Province Applicant after: Xi'an Ruibowen Education Technology Co.,Ltd. Address before: 518110 room 206, 2nd floor, building 6, aerospace science and engineering Park, 8 minhuan Road, Fukang community, Longhua street, Longhua District, Shenzhen City, Guangdong Province Applicant before: Liu Zhiyong |
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