CN114973805B - Multimedia teaching is with show board convenient to accomodate - Google Patents
Multimedia teaching is with show board convenient to accomodate Download PDFInfo
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- CN114973805B CN114973805B CN202210471600.0A CN202210471600A CN114973805B CN 114973805 B CN114973805 B CN 114973805B CN 202210471600 A CN202210471600 A CN 202210471600A CN 114973805 B CN114973805 B CN 114973805B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
- 230000004308 accommodation Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 18
- 230000009471 action Effects 0.000 description 12
- 206010020649 Hyperkeratosis Diseases 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000002301 combined effect Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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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
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
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- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
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- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention belongs to the field of display boards for multimedia teaching, in particular to a display board for multimedia teaching, which is convenient to store and comprises a first display board and a second display board; the bottom end of the first display board is provided with a second display board, one side of the first display board is fixedly connected with an upper hinge, the upper hinge is rotationally connected with a lower hinge, the lower hinge is fixedly connected with one side of the second display board, and the first display board and the storage mechanism are both provided with a storage mechanism; the utility model discloses a multimedia teaching show board, including the spliced pole, the extension leg, the swivel nut, screw rod, transmission chamber, drive assembly and coupling assembling, the spliced pole is provided with two sets of, and two sets of spliced pole respectively with first show board and second show board fixed connection, the inside at the spliced pole is seted up to the extension chamber, the extension leg cover is established in the inside of accomodating the chamber, swivel nut fixed connection has realized the function of conveniently folding accomodating the show board for the multimedia teaching through the accommodation mechanism in the one end of extension leg.
Description
Technical Field
The invention relates to the field of display boards for multimedia teaching, in particular to a display board for multimedia teaching, which is convenient to store.
Background
Along with the progress of technology and the development of times, at present, most adopt traditional teaching and multimedia teaching combination's mode when carrying out the teaching to the student, effectual transfer student's study interest, at present often all can use the show board that multimedia teaching was used when carrying out multimedia teaching to the student.
The display board that current multimedia teaching was used is mostly fixed integral type structure, and the face can not buckle or fold, bears the video content that the multimedia teaching was used through using the display board that multimedia teaching was used, is equivalent to the curtain that uses during the projection.
The existing display board for multimedia teaching occupies a large space and a large volume after the multimedia teaching is finished, so that the placement of other objects in a classroom is affected, and the display board is inconvenient to store, transport or carry; therefore, a multimedia teaching display board convenient to store is provided for the problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the existing display board for multimedia teaching occupies larger space and volume after the multimedia teaching is finished, influences the placement of other objects in a classroom, and is inconvenient to store, transport or carry.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a multimedia teaching display board convenient to store, which comprises a first display board and a second display board; the bottom end of the first display board is provided with a second display board, one side of the first display board is fixedly connected with an upper hinge, the upper hinge is rotationally connected with a lower hinge, the lower hinge is fixedly connected with one side of the second display board, and the first display board and the storage mechanism are both provided with a storage mechanism;
The utility model provides a multimedia teaching is with show board folding function of accomodating, has realized conveniently including spliced pole, accomodating chamber, extension leg, swivel nut, screw rod, drive chamber, drive assembly and coupling assembling, the spliced pole is provided with two sets of, and two sets of spliced pole respectively with first show board and second show board fixed connection, accomodate the inside of chamber and offer at the spliced pole, the extension leg cover is established in the inside of accomodating the chamber, swivel nut fixed connection is in the one end of extension leg, the screw rod cover is established in the inside of extension leg, and screw rod and swivel nut threaded connection, the drive chamber is offered in the inside of spliced pole, and the inner wall in drive chamber rotates with the one end of screw rod and be connected, drive assembly sets up in the inside in drive chamber, coupling assembling sets up between first show board and second show board through accomodating the structural design of mechanism.
Preferably, the one end fixedly connected with callus on the sole of swivel nut is kept away from to the extension leg, and the callus on the sole is plastic material, plays through the effect of adopting plastic material's callus on the sole and prevents that the extension leg from producing the damage because of the friction of direct and ground between contact, plays the effect of protecting the extension leg.
Preferably, the transmission assembly comprises a driven gear, a driving gear and a connecting shaft, wherein the driven gear is fixedly connected to the outer side of the screw rod, the driven gear is arranged in the transmission cavity, the driving gear is in threaded connection with one side of the driven gear, the connecting shaft is fixedly connected to one side, away from the driven gear, of the driving gear, and the effect of conveniently driving the screw rod to rotate is achieved through the transmission assembly.
Preferably, the outside cover of knob is equipped with the antiskid cover, and the antiskid cover is the rubber material, plays the increase frictional force through adopting the antiskid cover of rubber material, prevents to rotate the knob and slips because of frictional force is too little.
Preferably, the coupling assembling includes fixed block, connecting block, spread groove, connecting seat, stopper, activity chamber, reset spring, handle, spacing chamber, slip subassembly and auxiliary connection subassembly, the top and the first show board fixed connection of fixed block, connecting block fixed connection is in the bottom of fixed block, and the connecting block inserts the inside of establishing at the spread groove, the top at the connecting seat is seted up to the spread groove, connecting seat fixed connection is on the top of second show board, one side at the connecting block is seted up in spacing chamber, and one side and the stopper block in spacing chamber, the stopper cover is established in the inside in activity chamber, the inside at the connecting seat is seted up in the activity chamber, and the activity chamber is linked together with the spread groove, reset spring sets up the inside in activity chamber, one side in spacing chamber is kept away from to the handle fixed connection, slip subassembly sets up between stopper and activity intracavity wall, auxiliary connection subassembly sets up and keeps away from one side in spacing chamber at the connecting block, plays the effect that makes things convenient for first show board and second board after the fifty percent discount through the coupling assembling.
Preferably, one side of the reset spring close to the limiting block is fixedly connected with the limiting block, one side of the reset spring away from the limiting block is fixedly connected to the inner wall of the movable cavity, and the effect of automatically resetting the limiting block after the received extrusion force disappears is achieved through the action of the restoring force of the reset spring.
Preferably, the sliding component comprises a sliding block and a sliding groove, the bottom end of the sliding block is fixedly connected to the position, close to the center, of the inner wall of the movable cavity, the top end of the sliding block is slidably connected to the inside of the sliding groove, and the sliding component has the effect that the limiting block moves smoothly in the movable cavity.
Preferably, the auxiliary connecting assembly comprises a positioning block and a positioning groove, the positioning block is glued on one side of the inner wall of the connecting groove, the positioning block is made of rubber, the positioning groove is arranged on one side of the connecting block away from the limiting cavity, the positioning groove is clamped with the positioning block, and the auxiliary fixing effect is achieved on the connection between the connecting block and the connecting seat through the action of the auxiliary connecting assembly.
The invention has the advantages that:
1. The folding and storage functions of the display board for multimedia teaching are realized through the structural design of the storage mechanism, so that the display board for multimedia teaching is convenient to fold, transport, store or carry, and the problems that the existing display board for multimedia teaching occupies a large space and large volume after the multimedia teaching is finished, the placement of other objects in a classroom is influenced, and the storage, transport or carrying is inconvenient are solved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a first embodiment;
FIG. 2 is a schematic perspective sectional structure of the first embodiment;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the first embodiment;
FIG. 4 is a schematic partial perspective view of the first embodiment;
FIG. 5 is a schematic view showing a partial perspective cross-sectional structure of a first embodiment;
Fig. 6 is a schematic perspective view of a connecting block, a stopper, a return spring, a handle and a positioning block according to the first embodiment.
In the figure: 1. a first display board; 2. a second display board; 31. an upper hinge; 32. a lower hinge; 33. a connecting column; 34. a storage chamber; 35. extension legs; 36. foot pads; 37. a screw sleeve; 38. a screw; 39. a transmission cavity; 41. a driven gear; 42. a drive gear; 43. a connecting shaft; 44. a knob; 45. an anti-skid sleeve; 51. a fixed block; 52. a connecting block; 53. a connecting groove; 54. a connecting seat; 55. a limiting block; 56. a movable cavity; 57. a return spring; 58. a handle; 59. a slide block; 61. a chute; 62. a positioning block; 63. a positioning groove; 64. and a limiting cavity.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-6, a display board for multimedia teaching, which is convenient to store, comprises a first display board 1 and a second display board 2; the bottom end of the first display board 1 is provided with a second display board 2, one side of the first display board 1 is fixedly connected with an upper hinge 31, the upper hinge 31 is rotationally connected with a lower hinge 32, the lower hinge 32 is fixedly connected with one side of the second display board 2, and the first display board 1 and the containing mechanism are both provided with containing mechanisms;
The storage mechanism comprises two groups of connecting columns 33, storage cavities 34, extension legs 35, threaded sleeves 37, threaded rods 38, transmission cavities 39, transmission components and connecting components, wherein the two groups of connecting columns 33 are fixedly connected with the first display plates 1 and the second display plates 2 respectively, the storage cavities 34 are formed in the inner parts of the connecting columns 33, the extension legs 35 are sleeved in the storage cavities 34, the threaded sleeves 37 are fixedly connected to one ends of the extension legs 35, the threaded rods 38 are sleeved in the extension legs 35, the threaded rods 38 are in threaded connection with the threaded sleeves 37, the transmission cavities 39 are formed in the connecting columns 33, the inner walls of the transmission cavities 39 are in rotary connection with one ends of the threaded rods 38, the transmission components are arranged in the transmission cavities 39, and the connection components are arranged between the first display plates 1 and the second display plates 2;
During operation, through the structural design of receiving mechanism, realized the convenience and folded the function of accomodating to the show board for the multimedia teaching.
The end of the extension leg 35 far away from the screw sleeve 37 is fixedly connected with a foot pad 36, and the foot pad 36 is made of plastic;
In operation, the foot pad 36 made of plastic material prevents the extension leg 35 from being damaged due to friction between the extension leg and the ground, and protects the extension leg 35.
The transmission assembly comprises a driven gear 41, a driving gear 42 and a connecting shaft 43, wherein the driven gear 41 is fixedly connected to the outer side of the screw 38, the driven gear 41 is arranged in the transmission cavity 39, the driving gear 42 is in threaded connection with one side of the driven gear 41, and the connecting shaft 43 is fixedly connected to one side, far away from the driven gear 41, of the driving gear 42;
When the height adjustment device works, when the heights of the first display board 1 and the second display board 2 are to be adjusted, the rotation knob 44 drives the driving gear 42 to rotate through the connecting shaft 43, so that the driving gear 42 drives the driven gear 41 to rotate, the driven gear 41 drives the fixedly connected screw rod 38 to rotate, the screw rod 38 drives the threaded sleeve 37 to move, the threaded sleeve 37 drives the fixedly connected extension leg 35 and the foot pad 36 fixedly connected with the extension leg 35 to synchronously move, and the height adjustment effect on the first display board 1 and the second display board 2 is achieved.
An anti-skid sleeve 45 is sleeved on the outer side of the knob 44, and the anti-skid sleeve 45 is made of rubber;
In operation, the friction is increased by the anti-slip sleeve 45 made of rubber, so that the slipping caused by too small friction is prevented when the knob 44 rotates.
The connecting assembly comprises a fixed block 51, a connecting block 52, a connecting groove 53, a connecting seat 54, a limiting block 55, a movable cavity 56, a reset spring 57, a handle 58, a limiting cavity 64, a sliding assembly and an auxiliary connecting assembly, wherein the top end of the fixed block 51 is fixedly connected with the first display plate 1, the connecting block 52 is fixedly connected to the bottom end of the fixed block 51, the connecting block 52 is inserted into the connecting groove 53, the connecting groove 53 is formed in the top end of the connecting seat 54, the connecting seat 54 is fixedly connected to the top end of the second display plate 2, the limiting cavity 64 is formed in one side of the connecting block 52, one side of the limiting cavity 64 is clamped with the limiting block 55, the limiting block 55 is sleeved in the movable cavity 56, the movable cavity 56 is formed in the connecting seat 54, the movable cavity 56 is communicated with the connecting groove 53, the reset spring 57 is arranged in the movable cavity 56, the handle 58 is fixedly connected to one side of the limiting block 55, which is far away from the limiting cavity 64, the sliding assembly is arranged between the limiting block 55 and the inner wall of the movable cavity 56, and the auxiliary connecting assembly is arranged on one side of the connecting block 52, which is far away from the limiting block 64.
When the display board is to be used integrally, firstly, the handle 58 is pushed to the connecting seat 54, under the action of the pushing force, the handle 58 drives the limiting block 55 to move to the inside of the movable cavity 56 and extrudes the return spring 57, so that the return spring 57 elastically deforms, meanwhile, the limiting block 55 is released from being clamped with the limiting cavity 64, then the first display board 1 is rotated to drive the connecting block 52 to move, the connecting block 52 is released from the inside of the connecting groove 53, the connection between the connecting block 52 and the connecting seat 54 is further released, after the first display board 1 or the second display board 2 is rotated to the limit, the rotating knob 44 and the anti-slip sleeve 45 extend the connecting column 33 to support the first display board 1 and the second display board 2 or adjust the heights of the first display board 1 and the second display board 2, when the first display board 1 and the second display board 2 are to be folded and stored, the knob 44 and the anti-slip sleeve 45 are rotated to enable the extension leg 35 to completely enter the storage cavity 34, then the first display board 1 or the second display board 2 is rotated to enable the connection block 52 to be inserted into the connection groove 53, one side of the connection block 52 presses the limit block 55 when the connection block 52 is inserted into the connection groove 53, the limit block 55 moves under the action of the pressing force and presses the return spring 57 to enable the return spring 57 to elastically deform, the pressing force of the connection block 55 by the connection block 52 is eliminated after the connection block 52 is completely inserted into the connection groove 53, at the moment, the limit block 55 is restored to the original position under the action of the reducing force of the return spring 57 and is clamped with the limit cavity 64 to limit the connection block 52, the connection block 52 is connected with the connection seat 54, at this time, the first display board 1 and the second display board 2 can be conveniently carried, transported or stored by pulling the handle 58.
One side of the return spring 57, which is close to the limiting block 55, is fixedly connected with the limiting block 55, and one side of the return spring 57, which is far away from the limiting block 55, is fixedly connected to the inner wall of the movable cavity 56;
in operation, the effect of automatically resetting the stopper 55 after the received pressing force is eliminated is achieved by the reducing force of the return spring 57.
The sliding assembly comprises a sliding block 59 and a sliding groove 61, wherein the bottom end of the sliding block 59 is fixedly connected to the inner wall of the movable cavity 56 at a position close to the center, and the top end of the sliding block 59 is slidably connected to the inside of the sliding groove 61;
during operation, when the limiting block 55 moves in the movable cavity 56, the sliding block 59 fixedly connected with the inner wall of the movable cavity 56 slides in the sliding groove 61 synchronously, the contact area between the limiting block 55 and the inner wall of the movable cavity 56 during movement is reduced through the combined effect of the sliding block 59 and the sliding groove 61, and further the friction force between the limiting block 55 and the inner wall of the movable cavity 56 during movement is reduced, so that the limiting block 55 moves in the movable cavity 56 more smoothly.
The auxiliary connecting assembly comprises a positioning block 62 and a positioning groove 63, the positioning block 62 is glued on one side of the inner wall of the connecting groove 53, the positioning block 62 is made of rubber, the positioning groove 63 is formed on one side of the connecting block 52 away from the limiting cavity 64, and the positioning groove 63 is clamped with the positioning block 62;
During operation, when the connecting block 52 is inserted into the connecting groove 53, one side, far away from the limiting cavity 64, of the connecting block 52 extrudes the positioning block 62, so that the positioning block 62 made of rubber materials is extruded to generate elastic deformation, when the connecting block 52 is completely inserted into the connecting groove 53, the extrusion force of the connecting block 52 to the positioning block 62 disappears, and at the moment, the positioning block 62 is restored to the original state under the action of the self reducing force and is clamped with the positioning groove 63, and the auxiliary fixing effect is achieved on the connection between the connecting block 52 and the connecting seat 54 through the combined action of the positioning block 62 and the positioning groove 63.
Working principle: when the display board is to be used as a whole, firstly, the handle 58 is pushed to the connecting seat 54, under the action of the pushing force, the handle 58 drives the limiting block 55 to move to the inside of the movable cavity 56 and extrudes the return spring 57, so that the return spring 57 elastically deforms, meanwhile, the limiting block 55 is also released from the clamping between the limiting cavity 64, then the first display board 1 is rotated to drive the connecting block 52 to move, so that the connecting block 52 is released from the inside of the connecting groove 53, further, the connection between the connecting block 52 and the connecting seat 54 is released, after the first display board 1 or the second display board 2 is rotated to the limit, the rotating knob 44 and the anti-slip sleeve 45 extend the connecting column 33 to support the first display board 1 and the second display board 2 or adjust the heights of the first display board 1 and the second display board 2, when the first display board 1 and the second display board 2 are to be folded and stored, the knob 44 and the anti-slip sleeve 45 are rotated to enable the extension leg 35 to completely enter the storage cavity 34, then the first display board 1 or the second display board 2 is rotated to enable the connection block 52 to be inserted into the connection groove 53, one side of the connection block 52 presses the limit block 55 when the connection block 52 is inserted into the connection groove 53, the limit block 55 moves under the action of the pressing force and presses the return spring 57 to enable the return spring 57 to elastically deform, the pressing force of the connection block 55 by the connection block 52 is eliminated after the connection block 52 is completely inserted into the connection groove 53, at the moment, the limit block 55 is restored to the original position under the action of the reducing force of the return spring 57 and is clamped with the limit cavity 64 to limit the connection block 52, the connection block 52 is connected with the connection seat 54, at this time, the first display board 1 and the second display board 2 can be conveniently carried, transported or stored by pulling the handle 58.
When the connecting block 52 is inserted into the connecting groove 53, one side of the connecting block 52, which is far away from the limiting cavity 64, extrudes the positioning block 62, so that the positioning block 62 made of rubber material is extruded to generate elastic deformation, when the connecting block 52 is completely inserted into the connecting groove 53, the extrusion force of the connecting block 52 to the positioning block 62 disappears, and at the moment, the positioning block 62 is restored to the original state under the action of the self reducing force and is clamped with the positioning groove 63, and the auxiliary fixing effect is achieved on the connection between the connecting block 52 and the connecting seat 54 through the combined action of the positioning block 62 and the positioning groove 63.
When the limiting block 55 moves in the movable cavity 56, the sliding block 59 fixedly connected with the inner wall of the movable cavity 56 slides in the sliding groove 61 synchronously, the contact area between the limiting block 55 and the inner wall of the movable cavity 56 during movement is reduced through the combined effect of the sliding block 59 and the sliding groove 61, and further the friction force between the limiting block 55 and the inner wall of the movable cavity 56 is reduced, so that the limiting block 55 moves in the movable cavity 56 more smoothly.
When the heights of the first display board 1 and the second display board 2 are to be adjusted, the rotation knob 44 drives the driving gear 42 to rotate through the connecting shaft 43, so that the driving gear 42 drives the driven gear 41 to rotate, the driven gear 41 drives the fixedly connected screw 38 to rotate, the screw 38 drives the threaded sleeve 37 to move, the threaded sleeve 37 drives the fixedly connected extension leg 35 and the foot pad 36 fixedly connected with the extension leg 35 to synchronously move, and the effect of adjusting the heights of the first display board 1 and the second display board 2 is achieved.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (2)
1. Display board for multimedia teaching convenient to accomodate, its characterized in that: comprises a first display board (1) and a second display board (2); the bottom end of the first display board (1) is provided with a second display board (2), one side of the first display board (1) is fixedly connected with an upper hinge (31), the upper hinge (31) is rotationally connected with a lower hinge (32), the lower hinge (32) is fixedly connected with one side of the second display board (2), and the first display board (1) and the containing mechanism are both provided with containing mechanisms;
the storage mechanism comprises a connecting column (33), a storage cavity (34), extension legs (35), a threaded sleeve (37), a screw rod (38), a transmission cavity (39), a transmission assembly and a connecting assembly, wherein the connecting column (33) is provided with two groups, the two groups of the connecting column (33) are fixedly connected with a first display plate (1) and a second display plate (2) respectively, the storage cavity (34) is formed in the connecting column (33), the extension legs (35) are sleeved in the storage cavity (34), the threaded sleeve (37) is fixedly connected to one end of the extension legs (35), the screw rod (38) is sleeved in the extension legs (35), the screw rod (38) is in threaded connection with the threaded sleeve (37), the transmission cavity (39) is formed in the connecting column (33), the inner wall of the transmission cavity (39) is rotationally connected with one end of the screw rod (38), the transmission assembly is arranged in the transmission cavity (39), and the connection assembly is arranged between the first display plate (1) and the second display plate (2).
The transmission assembly comprises a driven gear (41), a driving gear (42), a connecting shaft (43) and a knob (44), wherein the driven gear (41) is fixedly connected to the outer side of the screw rod (38), the driven gear (41) is arranged in the transmission cavity (39), the driving gear (42) is in threaded connection with one side of the driven gear (41), and the connecting shaft (43) is fixedly connected to one side, far away from the driven gear (41), of the driving gear (42); the rotary knob (44) drives the driving gear (42) to rotate through the connecting shaft (43); an anti-skid sleeve (45) is sleeved on the outer side of the knob (44), and the anti-skid sleeve (45) is made of rubber;
The connecting component comprises a fixed block (51), a connecting block (52), a connecting groove (53), a connecting seat (54), a limiting block (55), a movable cavity (56), a reset spring (57), a handle (58), a limiting cavity (64), a sliding component and an auxiliary connecting component, wherein the top end of the fixed block (51) is fixedly connected with a first display plate (1), the connecting block (52) is fixedly connected with the bottom end of the fixed block (51), the connecting block (52) is inserted into the connecting groove (53), the connecting groove (53) is formed in the top end of the connecting seat (54), the connecting seat (54) is fixedly connected with the top end of a second display plate (2), the limiting cavity (64) is formed in one side of the connecting block (52), one side of the limiting cavity (64) is clamped with the limiting block (55), the limiting block (55) is sleeved in the movable cavity (56), the movable cavity (56) is formed in the connecting seat (54), the movable cavity (56) is communicated with the connecting groove (53), the reset spring (54) is fixedly connected with the limiting block (55) at one side of the inner wall (56) which is far away from the limiting cavity (56), the auxiliary connecting component is arranged on one side of the connecting block (52) away from the limiting cavity (64);
one side of the return spring (57) close to the limiting block (55) is fixedly connected with the limiting block (55), and one side of the return spring (57) far away from the limiting block (55) is fixedly connected to the inner wall of the movable cavity (56);
The sliding assembly comprises a sliding block (59) and a sliding groove (61), wherein the bottom end of the sliding block (59) is fixedly connected to the position, close to the center, of the inner wall of the movable cavity (56), and the top end of the sliding block (59) is slidably connected to the inside of the sliding groove (61);
The auxiliary connecting assembly comprises a positioning block (62) and a positioning groove (63), the positioning block (62) is glued on one side of the inner wall of the connecting groove (53), the positioning block (62) is made of rubber, the positioning groove (63) is formed in one side, away from the limiting cavity (64), of the connecting block (52), and the positioning groove (63) is clamped with the positioning block (62).
2. The multimedia teaching display board convenient to store according to claim 1, wherein: one end of the extension leg (35) far away from the swivel nut (37) is fixedly connected with a foot pad (36), and the foot pad (36) is made of plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210471600.0A CN114973805B (en) | 2022-04-29 | 2022-04-29 | Multimedia teaching is with show board convenient to accomodate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210471600.0A CN114973805B (en) | 2022-04-29 | 2022-04-29 | Multimedia teaching is with show board convenient to accomodate |
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| CN114973805B true CN114973805B (en) | 2024-06-04 |
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| CN212322493U (en) * | 2020-07-10 | 2021-01-08 | 王改花 | Junior middle school mathematics teaching aid of geometry |
| CN112037610A (en) * | 2020-09-17 | 2020-12-04 | 罗慧敏 | Display device for music teaching |
| CN114283710A (en) * | 2021-12-30 | 2022-04-05 | 速招来企业服务有限公司 | Resource allocation scheme display device and use method thereof |
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