CN213118275U

CN213118275U - Computer multimedia teaching device

Info

Publication number: CN213118275U
Application number: CN202022116346.1U
Authority: CN
Inventors: 王明华
Original assignee: Minjiang University
Current assignee: Minjiang University
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-05-04
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a computer multimedia teaching device relates to teaching equipment technical field. The utility model discloses a locker of area brake universal wheel is installed to the bottom, the loop bar that runs through its top is installed to the locker bottom, the inside cavity that is of loop bar, loop bar top alternate have extend to its inside and with the lifter of loop bar inner wall contact, the roof is installed at the lifter top, the fixed plate of perpendicular to roof is installed at the roof top, the fixed plate side is fixed with the multimedia display, install the projecting apparatus on the fixed plate, the cashier's office in a shop is provided with the lifting unit who drives the lifter and realize going up and down in the loop bar. The utility model discloses install teaching equipment on arranging the storing cabinet on ground in to drive the lifter through lifting unit and carry out the elevating movement in the loop bar, thereby drive projecting apparatus and the multi-media display realization of installing on the fixed plate and go up and down.

Description

Computer multimedia teaching device

Technical Field

The utility model relates to a teaching equipment technical field, concretely relates to computer multimedia teaching device.

Background

The projector in the traditional computer multimedia teaching device is hung on the ceiling of a classroom, and the multimedia display is also placed on a desktop, so that students and teachers are not convenient to adjust the heights of the projector and the multimedia display, and the computer multimedia teaching device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: for solving the problem of the inconvenient regulation of the height of projecting apparatus and multi-media display among traditional computer multimedia teaching device, the utility model provides a computer multimedia teaching device.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a computer multimedia teaching device, installs the locker of area brake universal wheel including the bottom, the loop bar that runs through its top is installed to the locker bottom, the inside cavity that is of loop bar, loop bar top alternate have extend to its inside and with the lifter of loop bar inner wall contact, the roof is installed at the lifter top, the fixed plate of perpendicular to roof is installed at the roof top, the fixed plate side is fixed with the multimedia display, install the projecting apparatus on the fixed plate, be provided with on the locker and drive the lifter and realize the lifting unit who goes up and down in the loop bar.

Further, the lifting assembly comprises a rack fixed on the lifting rod along the length direction of the lifting rod, the lifting assembly further comprises a motor fixed on the storage cabinet, an output shaft of the motor penetrates through the sleeve rod and extends to the interior of the sleeve rod, a gear is installed in the output shaft, and the gear is meshed with the rack on the lifting rod.

Furthermore, concave type frid is installed along vertical direction to the fixed plate side, install branch in the concave type frid, the branch top is fixed with the loading board, be provided with the adjusting part who adjusts the projecting apparatus angle on the loading board.

Further, the adjusting part is including installing the angle adjustment board in the projecting apparatus bottom, the adjusting part is still including fixing a pair of articulated seat at the loading board top, two it has the round pin axle to articulate between the articulated seat, the round pin axle rotates with the angle adjustment board to be connected, the adjusting part is still including a pair of fixing base of fixing at the loading board top and being located the angle adjustment board both sides respectively, transversely runs through between a pair of fixing base have butterfly bolt and butterfly bolt pass through the nut to be fixed on the fixing base, the last curved spacing hole of having seted up of angle adjustment board, butterfly bolt passes spacing hole.

Furthermore, the bottom of the supporting rod is provided with a rotary bolt, two ends of the rotary bolt are rotatably connected with the concave groove plate, one end of the supporting rod, far away from the rotary bolt, is movably penetrated with a movable bolt, and the movable bolt movably penetrates through the concave groove plate.

Furthermore, a partition plate is installed in the storage cabinet.

Furthermore, the top plate is hinged with a hinged plate, and a long plate is fixed at the hinged position of the hinged plate and the top plate through bolts.

The utility model has the advantages as follows:

the utility model discloses install teaching equipment on arranging the storing cabinet on ground in to drive the lifter through lifting unit and carry out elevating movement in the loop bar, thereby drive projecting apparatus and the multi-media display of installing on the fixed plate in lifter top and realize going up and down, solved the problem of the inconvenient regulation of height of projecting apparatus and multi-media display among the traditional computer multimedia teaching device.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is another perspective view of the present invention;

FIG. 3 is a rear view structural diagram of the present invention;

fig. 4 is a sectional view taken along the line a-a of fig. 3 according to the present invention;

fig. 5 is an enlarged view of fig. 4 according to the present invention;

FIG. 6 is a side view of the structure of the present invention;

fig. 7 is an enlarged view of fig. 6 according to the present invention at II;

FIG. 8 is a front view of the structure of the present invention;

FIG. 9 is a cross-sectional view taken along line B-B of FIG. 8 in accordance with the present invention;

fig. 10 is an enlarged view of fig. 9 at III of the present invention;

reference numerals: 1. a storage cabinet; 2. a loop bar; 3. a lifting rod; 4. a top plate; 5. a fixing plate; 6. a multimedia display; 7. a projector; 8. a lifting assembly; 801. a rack; 802. a motor; 803. a gear; 9. a concave groove plate; 10. a strut; 11. a carrier plate; 12. an adjustment assembly; 1201. an angle adjusting plate; 1202. a hinged seat; 1203. a pin shaft; 1204. a fixed seat; 1205. a butterfly bolt; 1206. a limiting hole; 13. rotating the bolt; 14. a movable bolt; 15. a partition plate; 16. a hinge plate; 17. a long plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in figures 1-9, a computer multimedia teaching device comprises a storage cabinet 1 with brake universal wheels mounted at the bottom, the storage cabinet 1 provides supporting force for the whole device and can move the device according to the classroom requirements, a loop bar 2 penetrating the top of the storage cabinet 1 is mounted at the bottom of the storage cabinet 1, the interior of the loop bar 2 is hollow, a lifting bar 3 extending into the interior of the loop bar 2 and contacting with the inner wall of the loop bar 2 is inserted at the top of the loop bar 2, a top plate 4 is mounted at the top of the lifting bar 3, a fixing plate 5 vertical to the top plate 4 is mounted at the top of the top plate 4, a multimedia display 6 is fixed at the side of the fixing plate 5, a projector 7 is mounted on the fixing plate 5, a lifting component 8 for driving the lifting bar 3 to lift in the loop bar 2 is arranged on the storage cabinet 1, when the lifting bar 3 lifts in the loop bar 2 by means of the lifting component, thereby drive projecting apparatus 7 and multi-media display 6 on the fixed plate 5 to carry out the altitude mixture control, solved the inconvenient problem of adjusting of projecting apparatus 7 and multi-media display 6's height in the traditional computer multimedia teaching device.

As shown in fig. 3-5, the lifting assembly 8 includes a rack 801 fixed on the lifting rod 3 along the length direction of the lifting rod 3, the lifting assembly 8 further includes a motor 802 fixed on the storage cabinet 1, an output shaft of the motor 802 extends through the sleeve rod 2 to the interior thereof to be provided with a gear 803, the gear 803 is engaged with the rack 801 on the lifting rod 3, after the motor 802 is turned on, the output shaft of the motor 802 drives the gear 803 to rotate, the rotation of the gear 803 drives the lifting rod 3 fixed with the rack 801 to realize the lifting action, because the lifting rod 3 is in contact with the inner wall of the sleeve rod 2, the sleeve rod 2 can be regarded as a sliding groove of the lifting rod 3 when the lifting rod 3 is lifted under the driving of the gear 803, and the rationality and stability.

As shown in fig. 2, 6 and 7, in some embodiments, in order to increase the practicability of the device, a concave groove plate 9 is installed on the side surface of the fixing plate 5 along the vertical direction, a supporting rod 10 is installed in the concave groove plate 9, a bearing plate 11 is fixed on the top of the supporting rod 10, and an adjusting assembly 12 for adjusting the angle of the projector 7 is arranged on the bearing plate 11, so that teachers and students can conveniently adjust the angle of the projector 7 according to actual conditions.

As shown in fig. 7 and 10, in order to refine the specific structure of the adjustment assembly 12, the adjustment assembly 12 includes an angle adjustment plate 1201 installed at the bottom of the projector 7, the adjustment assembly 12 further includes a pair of hinge seats 1202 fixed at the top of the bearing plate 11, a pin 1203 is hinged between the two hinge seats 1202, the pin 1203 is rotatably connected with the angle adjustment plate 1201, the projector 7 rotates with the pin 1203 as an axis to adjust the angle, the adjustment assembly 12 further includes a pair of fixing seats 1204 fixed at the top of the bearing plate 11 and respectively located at two sides of the angle adjustment plate 1201, a butterfly bolt 1205 transversely penetrates between the pair of fixing seats 1204 and is fixed on the fixing seat 1204 through a nut, an arc-shaped limiting hole 1206 is formed in the angle adjustment plate 1201, the butterfly bolt 1205 penetrates through the limiting hole 1206, the angle adjustment plate 1201 is fixed on the fixing seat 1204 through the butterfly bolt 1205 in cooperation with the nut, because the angle adjustment plate, and spacing hole 1206 is the arc, and when adjusting plate 1201 and fixing base 1204 were fixed to thumb screw 1205 cooperation nut, the frictional force between spacing hole 1206 and thumb screw 1205 had been increased in the curved design, made thumb screw 1205 be difficult for taking place the position change in the spacing piece to the angle after the angle change of projecting apparatus 7 is fixed.

As shown in fig. 2, in order to protect the projector 7 during the movement of the device, a rotary latch 13 is installed at the bottom of the support rod 10, two ends of the rotary latch 13 are rotatably connected with the concave groove plate 9, a movable latch 14 movably penetrates through one end of the support rod 10, which is far away from the rotary latch 13, the movable latch 14 movably penetrates through the concave groove plate 9, when the movable latch 14 movably penetrating through the concave groove plate 9 and the support rod 10 is taken down, the support rod 10 can rotate by taking the rotary latch 13 as a central axis, when the device is moved, the rotary latch 13 at the top of the support rod 10 rotates by 180 degrees as the central axis, so that the top end of the projector 7 installed at the top of the support rod faces the storage cabinet 1, the projector 7 is stored, and the projector 7 is protected during the transportation process.

In some embodiments, as shown in fig. 9, in order to increase the practicability of the device, a partition 15 is installed in the storage cabinet 1, so that teachers can conveniently store teaching materials and teaching materials.

As shown in fig. 6, in some embodiments, in order to increase the practicability of the device, the top plate 4 is hinged with a hinged plate 16, a long plate 17 is fixed at the hinged part of the hinged plate 16 and the top plate 4 through bolts, after the hinged plate 16 and the fixed plate 5 are arranged on the same plane, the long plate 17 is fixed at the hinged part of the top plate 4 of the hinged plate 16 through bolts, the hinged plate 16 and the fixed plate 5 are fixed in the state of being located on the same horizontal plane, and after the fixed state is achieved, a teacher can place a computer in communication connection with the multimedia display 6 on the hinged plate 16, so that the practicability of the device is increased.

Claims

1. The utility model provides a computer multimedia teaching device, installs locker (1) of taking the brake universal wheel including the bottom, its characterized in that, loop bar (2) that run through its top are installed to locker (1) bottom, loop bar (2) inside is cavity, loop bar (2) top alternate have extend to its inside and with loop bar (2) inner wall contact lifter (3), roof (4) are installed at lifter (3) top, fixed plate (5) of perpendicular to roof (4) are installed at roof (4) top, fixed plate (5) side is fixed with multi-media display (6), install projecting apparatus (7) on fixed plate (5), be provided with on locker (1) and drive lifter (3) and realize lift lifting assembly (8) in loop bar (2).

2. A computer multimedia teaching device according to claim 1, characterized in that the lifting assembly (8) comprises a rack (801) fixed on the lifting rod (3) along the length direction of the lifting rod (3), the lifting assembly (8) further comprises a motor (802) fixed on the storage cabinet (1), the output shaft of the motor (802) extends through the sleeve rod (2) to the inside of which is installed a gear (803), and the gear (803) is engaged with the rack (801) on the lifting rod (3).

3. The computer multimedia teaching device according to claim 1, wherein the side of the fixing plate (5) is vertically provided with a concave groove plate (9), a supporting rod (10) is arranged in the concave groove plate (9), a bearing plate (11) is fixed on the top of the supporting rod (10), and an adjusting component (12) for adjusting the angle of the projector (7) is arranged on the bearing plate (11).

4. A computer multimedia teaching apparatus according to claim 3, the adjusting component (12) comprises an angle adjusting plate (1201) arranged at the bottom of the projector (7), the adjusting component (12) also comprises a pair of hinged seats (1202) fixed on the top of the bearing plate (11), a pin shaft (1203) is hinged between the two hinged seats (1202), the pin shaft (1203) is rotatably connected with the angle adjusting plate (1201), the adjusting assembly (12) further comprises a pair of fixing seats (1204) which are fixed at the top of the bearing plate (11) and respectively positioned at two sides of the angle adjusting plate (1201), a butterfly bolt (1205) transversely penetrates between the pair of fixing seats (1204), and the butterfly bolt (1205) is fixed on the fixing seats (1204) through a nut, an arc-shaped limiting hole (1206) is formed in the angle adjusting plate (1201), and the butterfly bolt (1205) penetrates through the limiting hole (1206).

5. A computer multimedia teaching device according to claim 3, characterized in that a rotary latch (13) is mounted at the bottom of the supporting rod (10), both ends of the rotary latch are rotatably connected with the concave groove plate (9), a movable latch (14) is movably inserted through one end of the supporting rod (10) far away from the rotary latch (13), and the movable latch (14) movably penetrates through the concave groove plate (9).

6. A computer multimedia teaching device according to claim 1, characterized in that a partition (15) is installed in the cabinet (1).

7. A computer multimedia teaching device according to claim 1, characterized in that the top plate (4) is hinged with a hinged plate (16), and a long plate (17) is fixed by bolts at the hinged part of the hinged plate (16) and the top plate (4).