CN113066319A - Be used for new generation information technology to show frame with teaching - Google Patents
Be used for new generation information technology to show frame with teaching Download PDFInfo
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- CN113066319A CN113066319A CN202110279886.8A CN202110279886A CN113066319A CN 113066319 A CN113066319 A CN 113066319A CN 202110279886 A CN202110279886 A CN 202110279886A CN 113066319 A CN113066319 A CN 113066319A
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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 a new generation of information technology. A teaching display rack for new generation information technology comprises: the support frames are connected with the first support connecting plate; 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 retraction mechanism and matched with the locking mechanism. The invention achieves the effect of facilitating the teaching of teachers, and the cooperation of the contracting mechanism, the locking mechanism and the switch unlocking mechanism facilitates the teachers to use new technologies such as projectors and the like to carry out teaching in class.
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 the courseware show, ordinary projection curtain can't remove, can only fix in the classroom, and when illumination intensity is great, the picture colour that the projection came out is lighter, leads to the projected effect relatively poor.
The publication number is CN211787706U, and discloses a new generation of teaching display rack for information technology, which comprises a base, wherein the bottom of the base is fixedly connected with a supporting block, one side of the base is fixedly connected with a hinge, one side of the hinge is fixedly connected with an access panel, one side of the access panel is provided with a pull groove, the top of the base is provided with a slide groove, the inner bottom wall of the base is fixedly connected with a fixing bolt, the outer wall of the fixing bolt is fixedly connected with a fixing rack, the inner wall of the fixing rack is fixedly connected with a motor, the output shaft of the motor is fixedly connected with a transmission gear through a coupler, the problem of convenient angle adjustment is achieved for the new generation of teaching display rack for information technology, the problem that the general teaching display rack for information technology is inconvenient for angle adjustment is solved, and people can use the teaching display rack for information technology more conveniently, the watching of people can not be influenced, and meanwhile, the use of people is more convenient, but the equipment can not be moved randomly.
Therefore, there is a need to develop a teaching display rack for new generation information technology, which can not only block sunlight, but also be convenient for moving.
Disclosure of Invention
In order to overcome the shortcoming that the existing display rack can not shield sunlight and is inconvenient to move, the technical problem to be solved is that: the teaching display rack for the new generation information technology is capable of shading sunlight and convenient to move.
The technical scheme of the invention is as follows: a teaching display rack for new generation information technology comprises:
the two support frames are connected with a first support connecting plate;
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 retraction mechanism and matched with the locking mechanism.
As a preferable aspect of the present invention, the winding mechanism includes:
the second support connecting plate is provided with a connecting sliding track;
the two connecting sliding rails are rotatably provided with the projection cloth;
the two connecting sliding tracks are provided with connecting sliding blocks in a sliding manner, and the connecting sliding blocks are connected with the projection cloth;
and the two first torsion springs are wound on the projection cloth, and the first torsion springs are connected with the projection cloth and the connecting sliding rail.
As a preferable aspect of the present invention, the lock mechanism includes:
the first connecting frame is arranged on the connecting sliding track;
the first connecting frame is rotatably provided with a rotating baffle plate, and the rotating baffle plate is matched with the connecting sliding block;
and the second torsion spring is wound on the rotating baffle plate and connected with the first connecting frame and the rotating baffle plate.
As a preferable technical solution of the present invention, the switch unlocking mechanism includes:
the second connecting frame is arranged on the connecting sliding track;
the second connecting frame is provided with a sliding connecting rod in a sliding manner;
the sliding connecting rod is provided with a first rack;
the sliding connecting rod is wound with a first spring, and the first spring 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 connected with the rotating baffle, and the first straight gear is meshed with the first rack.
As a preferred embodiment of the present invention, the present invention further comprises:
the rolling mechanism is provided with a rolling mechanism;
sunshade mechanism is including:
the rotating fixed rods are connected with the sliding rails and are provided with two rotating fixed rods;
the sunshade cloth is rotatably arranged between the two rotating fixed rods on one side;
the rotating driving rod is rotationally arranged between the two rotating fixing rods on the other side;
the first stay cord is connected between the sun-shading cloth and the rotary driving rod.
As a preferred embodiment of the present invention, the present invention further comprises:
the automatic opening mechanism is arranged on the sun shading mechanism and is connected with the rolling mechanism;
the automatic opening mechanism comprises:
the reel rotates to drive the rod to be provided with two reels;
the second pull rope is wound on the winding wheel and is connected with the winding wheel and the projection cloth;
and the third torsion spring is wound on the rotating driving rod and connected with the rotating driving rod and the rotating fixing rod.
As a preferred embodiment of the present invention, the present invention further comprises:
the first support connecting plate is provided with a first support connecting plate;
portable moving mechanism includes:
the first support connecting plate is rotatably provided with two rotating shafts;
the rotating shaft is provided with a shrinkage rotating wheel;
the first support connecting plate is provided with two positioning baffles which are matched with the shrinkage rotating wheel.
As a preferred embodiment of the present invention, the present invention further comprises:
the second support connecting plate is provided with an automatic ejection mechanism, and the automatic ejection mechanism is connected with the switch unlocking mechanism and the portable moving mechanism;
the automatic ejection mechanism comprises:
the second support connecting plate is provided with two positioning sliding sleeves;
the two positioning sliding sleeves are provided with a sliding type connecting link rod in a sliding manner, and the connecting link rod is connected with the sliding connection rod;
the connecting moving rod is connected with the positioning sliding sleeve and the connecting moving rod through the connecting sliding sleeve;
the connecting moving rod is provided with two second racks;
and a second spur gear is arranged on the rotating shaft and is meshed with the second rack.
Compared with the prior art, the invention has the following advantages:
1. the invention achieves the effect of facilitating the teaching of teachers, and the cooperation of the contracting mechanism, the locking mechanism and the switch unlocking mechanism facilitates the teachers to use new technologies such as projectors to carry out teaching in class, so that the teaching modes are richer.
2. The invention achieves the effect of improving the quality of the projection picture, and 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 sun-shading mechanism and the automatic opening mechanism.
3. The invention achieves the effect of convenient movement, and the invention can realize the automatic ejection of the shrinkage rotating wheel when the projected cloth is rewound after the classroom is finished by matching the portable moving mechanism and the automatic ejection mechanism, thereby facilitating the movement of the equipment.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the retraction mechanism of the present invention.
Fig. 3 is a schematic perspective view of the locking mechanism of the present invention.
Fig. 4 is a schematic perspective view of the switch unlocking mechanism of the present invention.
Fig. 5 is a schematic perspective view of the sunshade mechanism of 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 the portable moving mechanism of the present invention.
Fig. 8 is a schematic perspective view of the automatic ejection mechanism of the present invention.
Reference numerals: 1: support frame, 2: first supporting and connecting plate, 3: second support connection plate, 4: retraction mechanism, 41: connecting slide rail, 42: projection cloth, 43: connecting slider, 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: sliding connecting rod, 63: first rack, 64: first spring, 65: first straight gear, 7: sunshade mechanism, 71: rotating the fixing rod, 72: sunshade cloth, 73: turning the driving lever, 74: first cord, 8: automatic opening mechanism, 81: reel, 82: second cord, 83: third torsion spring, 9: portable moving mechanism, 91: rotating shaft, 92: shrink turning wheel, 93: positioning baffle, 10: automatic ejection mechanism, 101: positioning sliding sleeve, 102: connecting a moving 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 presently 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 for completeness and fully convey the scope of the invention to the skilled person.
Example 1
The utility model provides a be used for new generation information technology to show frame with teaching, as shown in figure 1, including support frame 1, first supporting connection board 2, second supporting connection board 3, the contracting mechanism 4, locking mechanical system 5 and switch release mechanism 6, the inboard first supporting connection board 2 that is connected with in 1 upper portion of support frame of both sides around, 2 tops of first supporting connection board are equipped with second supporting connection board 3, 3 top side middle parts of second supporting connection board are equipped with contracting mechanism 4, the 4 lower parts of contracting mechanism are equipped with locking mechanical system 5, the 4 lower parts of contracting mechanism are 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 projector can help the teacher to better use the display rack for teaching, after the winding mechanism 4 is pulled downwards, the locking mechanism 5 clamps the winding mechanism 4, so that the locking mechanism 5 can display teaching courseware, after the teaching is finished, the locking mechanism 5 is enabled not to clamp the winding mechanism 4 any more through the switch unlocking mechanism 6, the winding mechanism 4 is restored to the initial state, and when the projector is used again, the steps are repeated.
Example 2
In addition to the embodiment 1, as shown in fig. 2, 3 and 4, the winding mechanism 4 includes a connecting sliding rail 41, a projection cloth 42, a connecting sliding block 43 and a first torsion spring 44, the connecting sliding rail 41 is provided in the middle of the top side of the second supporting connecting plate 3, the projection cloth 42 is rotatably provided on the upper portion of the two connecting sliding rails 41, the connecting sliding block 43 is slidably provided in the middle of the two connecting sliding rails 41, the connecting sliding block 43 is connected to the bottom of the projection cloth 42, the first torsion spring 44 is wound around the left and right sides of the projection cloth 42, and the first torsion spring 44 is connected to the projection cloth 42 and the connecting sliding rail 41.
When the showing cloth 42 is unfolded, the connecting sliding block 43 is pulled downwards, so that the showing cloth 42 rotates and is unfolded downwards, the first torsion spring 44 deforms, after the connecting sliding block 43 is clamped by the locking mechanism 5, the connecting sliding block 43 is released, the showing cloth 42 stops rotating, the unfolded showing cloth 42 is enough for showing teaching courseware, after the teaching is finished, the connecting sliding block 43 is not clamped by the locking mechanism 5, the first torsion spring 44 gradually restores the initial state, the first torsion spring 44 drives the showing cloth 42 to reversely retract, the showing cloth 42 drives the connecting sliding block 43 to move upwards, when the first torsion spring 44 completely restores the initial state, the showing cloth 42 stops rotating, the connecting sliding block 43 stops moving, and when the equipment 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 first connecting frame 51 is arranged on the outer side of the lower portion of the connecting sliding rail 41, the rotating baffle plate 52 is rotatably arranged on the upper portion 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 on 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 backwards, after the connecting sliding block 43 is released, 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 the teaching is finished, the rotating baffle plate 52 rotates downwards through the switch unlocking mechanism 6, the rotating baffle plate 52 pushes the connecting sliding block 43 to move downwards, until the connecting sliding block 43 is not matched with the rotating baffle plate 52, the connecting sliding block 43 moves upwards rapidly, at the moment, the switch unlocking mechanism 6 is stopped to push, and the rotating baffle plate 52 rotates backwards to the initial position, when the device is used again, and repeating the steps.
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, 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 the teaching is finished, 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 drives the first straight gear 65 to rotate, so that the first straight gear 65 rotates, after the connecting sliding block 43 moves upwards, the sliding connecting rod 62 is released, the first spring 64 restores the initial state, the first spring 64 drives the sliding connecting rod 62 to move upwards, so that the first rack 63 moves upwards, the first rack 63 stops rotating when the first rack 63 moves to the initial position and the rotating baffle plate 52 stops rotating because the first rack 63 is meshed with the first straight gear 65 and the second torsion spring 53 drives the rotating baffle plate 52 to rotate reversely, so that the first straight gear 65 stops rotating, similarly, when the connecting sliding block 43 pushes the rotating baffle plate 52 to rotate, the rotating baffle plate 52 drives the first straight gear 65 to rotate, because the first straight gear 65 is meshed with the first rack 63, the first straight gear 65 drives the first rack 63 to move 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 rotating baffle plate 52 rotates reversely, so that the first rack 63 moves upwards, the first spring 64 restores the initial state, the sliding connecting rod 62 moves upwards, and when the device is used again, the steps are repeated.
Example 3
Based on embodiment 2, as shown in fig. 1, 5, 6, 7 and 8, the sunshade device 7 is further included, the sunshade device 7 is disposed on the upper portion of the rolling mechanism 4, the sunshade device 7 includes a rotation fixing rod 71, a sunshade cloth 72, a rotation driving rod 73 and a first pulling rope 74, two rotation fixing rods 71 are disposed on the outer side of the upper portion of the connecting sliding rail 41, the sunshade cloth 72 is rotatably disposed between the two rotation fixing rods 71 on the front side, the rotation driving rod 73 is rotatably disposed between the two rotation fixing rods 71 on the rear side, and the first pulling rope 74 is connected between the rear side of the sunshade cloth 72 and the rotation driving rod 73.
When the device is used outdoors, the condition that the projection is not clear is easily caused due to strong illumination intensity, at the moment, people can rotate the rotating driving rod 73, so that the rotating driving rod 73 winds the first pulling rope 74, the first pulling rope 74 pulls the sunshade cloth 72 backwards, the sunshade cloth 72 rotates, when the unfolded sunshade cloth 72 sufficiently blocks light above the projection cloth 42, the rotating driving rod 73 stops rotating, the rotating driving rod 73 is fixed to increase the definition of the projection, after the teaching is finished, the rotating driving rod 73 is not fixed any more, the sunshade cloth 72 automatically rotates and rolls back, the sunshade cloth 72 pulls the first pulling rope 74 forwards, the rotating driving rod 73 rotates to release the first pulling rope 74, when the sunshade cloth 72 returns to the initial state, the sunshade cloth 72 stops rotating, the rotating driving rod 73 stops rotating, and when the device is used again, the steps are repeated.
The automatic opening mechanism 8 is further included, the automatic opening mechanism 8 is arranged at the rear portion of the sunshade mechanism 7, the automatic opening mechanism 8 is connected with the winding mechanism 4, the automatic opening mechanism 8 comprises a winding wheel 81, a second pulling rope 82 and a third torsion spring 83, the winding wheel 81 is arranged on each of the left side and the right side of the rotation driving rod 73, the second pulling rope 82 is wound on the winding wheel 81, the second pulling rope 82 is connected with the winding wheel 81 and the showing cloth 42, the third torsion springs 83 are wound on each of the left side and the right side of 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.
When the showing cloth 42 rotates, the showing cloth 42 winds the second pull rope 82, so that the second pull rope 82 is released from the reel 81 and rotates, the reel 81 drives the rotary driving rod 73 to rotate, the third torsion spring 83 deforms, when the showing cloth 42 stops rotating, the rotary baffle 52 blocks the connecting sliding block 43, so that the rotary driving rod 73 is fixed, and the automatic sun-shading effect is realized, when the rotary baffle 52 does not block the connecting sliding block 43 any more, the showing cloth 42 reversely rotates to release the second pull rope 82, meanwhile, the rotary driving rod 73 is not fixed any more, so that the third torsion spring 83 restores the initial state, the third torsion spring 83 drives the rotary driving rod 73 to reversely rotate, the rotary driving rod 73 drives the reel 81 to reversely rotate to retract the second pull rope 82, when the third torsion spring 83 completely restores the initial state, the reel 81 stops rotating, and the effect of automatically recovering the sun-shading cloth 72 is realized, when the device, and repeating the steps.
Still including portable moving mechanism 9, be equipped with portable moving mechanism 9 in the first supporting connection board 2, portable moving mechanism 9 rotates wheel 92 and positioning baffle 93 including pivot 91, shrink, and 2 internal rotation formulas of first supporting connection board are equipped with two pivots 91, and pivot 91 middle part is equipped with the shrink and rotates wheel 92, is equipped with two positioning baffle 93 in the first supporting connection board 2, and positioning baffle 93 rotates the wheel 92 cooperation with the shrink.
When this equipment needs to be removed, the wheel 92 is rotated to the outside rotation shrink, thereby pivot 91 rotates, when the shrink is rotated wheel 92 and positioning baffle 93 cooperation, stop rotating shrink and rotate wheel 92, the shrink is rotated wheel 92 and the first supporting connection board 2 of the ascending jack-up of ground contact this moment, support frame 1 leaves ground, people promote to connect slip track 41 and can realize the removal of equipment, when fixing this equipment, stop promoting to connect slip track 41, rotate the shrink and rotate wheel 92 inwards and rotate back first supporting connection board 2, make support frame 1 contact with ground again, play fixed equipment's effect, when reusing this equipment, repeat above-mentioned step.
The automatic ejection mechanism 10 is arranged on the second supporting and 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 moving rod 102, a second spring 103, a second rack 104 and a second spur gear 105, the two positioning sliding sleeves 101 are arranged at the top of the second supporting and connecting plate 3, the connecting moving rod 102 is arranged on the outer sides of the upper portions of the two positioning sliding sleeves 101 in a sliding mode, the connecting moving rod 102 is connected with the sliding connecting rod 62, the two second springs 103 are wound in the middle of the connecting moving rod 102, the second springs 103 are connected with the positioning sliding sleeves 101 and the connecting moving rod 102, the two second racks 104 are arranged on the lower portion of the connecting moving rod 102, the 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.
When the sliding connecting rod 62 moves downwards, the sliding connecting rod 62 drives the connecting link rod 102 to move downwards, the second spring 103 is compressed, the connecting link 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, so that the contraction rotating gear 92 rotates out of the first supporting link plate 2, when the sliding connecting rod 62 moves upwards, the sliding connecting rod 62 drives the connecting link rod 102 to move upwards, the second spring 103 returns to the initial state, the connecting link rod 102 drives the second rack 104 to move upwards, 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, therefore, when the displayed cloth 42 is rewound after the classroom is finished, the contraction rotating gear 92 automatically pops up, the movement of the device is convenient, after the movement is finished, the contraction rotating gear 92 is manually rotated back into the first supporting link plate 2, it is sufficient to reverse the second spur gear 105, and when the present apparatus is used again, the above steps are repeated.
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 (8)
1. The utility model provides a be used for new generation information technology to show frame with teaching, characterized by including:
the two support frames (1) are connected with a first support connecting plate (2);
the first supporting connecting plate (2) is provided with a first supporting connecting plate (3);
the second support connecting plate (3) is provided with a coiling mechanism (4);
the locking mechanism (5) is arranged on the retraction mechanism (4);
the switch unlocking mechanism (6) is arranged on the retraction mechanism (4), and the switch unlocking mechanism (6) is matched with the locking mechanism (5).
2. A teaching display frame for new generation information technology, as claimed in claim 1, characterized in that the reduction mechanism (4) comprises:
the second supporting connecting plate (3) is provided with a connecting sliding track (41);
a projection cloth (42), wherein the two connecting sliding rails (41) are provided with the projection cloth (42) in a rotating way;
the two connecting sliding tracks (41) are provided with connecting sliding blocks (43) in a sliding manner, and the connecting sliding blocks (43) are connected with the projection cloth (42);
the showing cloth (42) is wound with two first torsion springs (44), and the first torsion springs (44) are connected with the showing cloth (42) and the connecting sliding rail (41).
3. A teaching display for new-generation information technology, as claimed in claim 2, characterized in that the locking mechanism (5) comprises:
the first connecting frame (51) is arranged on the connecting sliding track (41);
the rotating baffle (52) is rotatably arranged on the first connecting frame (51), and the rotating baffle (52) is matched with the connecting sliding block (43);
two second torsion springs (53) are wound on the rotating baffle plate (52), and the second torsion springs (53) are connected with the first connecting frame (51) and the rotating baffle plate (52).
4. A teaching display stand for new generation information technology, as claimed in claim 3, characterized in that the switch release mechanism (6) comprises:
a second connecting frame (61), wherein the connecting sliding track (41) is provided with the second connecting frame (61);
the sliding connecting rod (62) is arranged on the second connecting frame (61) in a sliding mode;
the sliding connecting rod (62) is provided with a first rack (63);
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) is rotatably arranged on 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).
5. A teaching display rack for new generation information technology as claimed in claim 4, further comprising:
the sun-shading mechanism (7) is arranged on the rolling mechanism (4);
the sunshade mechanism (7) includes:
the rotary fixing rods (71) are connected with the sliding tracks (41) and are provided with two rotary fixing rods (71);
the sunshade cloth (72) is rotatably arranged between the two rotary fixing rods (71) on one side of the sunshade cloth (72);
the rotating driving rod (73) is rotationally arranged between the two rotating fixing rods (71) on the other side;
the first pull rope (74) is connected between the sunshade cloth (72) and the rotary driving rod (73).
6. A teaching display rack for new generation information technology as claimed in claim 5, further comprising:
the automatic opening mechanism (8) is arranged on the sun shading mechanism (7), and the automatic opening mechanism (8) is connected with the contracting mechanism (4);
the automatic opening mechanism (8) comprises:
two reels (81) are arranged on the rotating drive rod (73);
a second pull rope (82), wherein the second pull rope (82) is wound on the reel (81), and the second pull rope (82) is connected with the reel (81) and the projection cloth (42);
and two third torsion springs (83) are wound on the rotating driving rod (73), and the third torsion springs (83) are connected with the rotating driving rod (73) and the rotating fixing rod (71).
7. A teaching display rack for new generation information technology as claimed in claim 6, further comprising:
the first support connecting plate (2) is provided with a portable moving mechanism (9);
the portable moving mechanism (9) comprises:
the rotating shafts (91), two rotating shafts (91) are rotatably arranged on the first supporting connecting plate (2);
the rotating shaft (91) is provided with a shrinkage rotating wheel (92);
the first supporting and connecting plate (2) is provided with two positioning baffles (93), and the positioning baffles (93) are matched with the shrinkage rotating wheel (92).
8. A teaching display rack for new generation information technology as claimed in claim 7, further comprising:
the automatic ejection mechanism (10) is arranged on the second supporting 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) includes:
two positioning sliding sleeves (101) are arranged on the second supporting and connecting plate (3);
the two positioning sliding sleeves (101) are provided with connecting rods (102) in a sliding manner, and the connecting rods (102) are connected with the sliding connecting rods (62);
the second springs (103) are wound on the connecting moving rod (102), and the second springs (103) are connected with the positioning sliding sleeve (101) and the connecting moving rod (102);
the connecting link rod (102) is provided with two second racks (104);
a second straight gear (105), wherein the rotating shaft (91) is provided with the second straight gear (105), and the second straight 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 |
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| 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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| CN113066319A true CN113066319A (en) | 2021-07-02 |
| CN113066319B CN113066319B (en) | 2023-04-28 |
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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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| 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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2021
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| 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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| CN113066319B (en) | 2023-04-28 |
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