CN213844395U

CN213844395U - Multimedia teaching device for foreign literature

Info

Publication number: CN213844395U
Application number: CN202120044387.6U
Authority: CN
Inventors: 李晓玲; 林秀丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-07-30
Anticipated expiration: 2031-01-08

Abstract

The utility model discloses a multimedia teaching device is used to foreign literature, its technical essential is: the power distribution box comprises a box body, the box is kept away from ground one side and is seted up the cavity, the cavity is close to ground one side and is connected with elevating system, elevating system keeps away from ground one side and is connected with fixed establishment, fixed establishment includes the fixed plate, fixed plate and elevating system fixed connection, the both ends that elevating system one side was kept away from to the fixed plate all are connected with perpendicular dead lever, two dead lever one end all are connected with the head rod that the level set up, the one end that two head rods kept away from each other all articulates there is first transfer rod, it has the ejector pin to keep away from dead lever one end, first transfer rod one end is kept away from to the ejector pin and is connected with first centre gripping subassembly, the lateral wall of ejector pin articulates there is the second transfer rod, the one end that the ejector pin was kept away from to the second transfer rod is articulated with the one end that the dead lever kept away from first transfer rod, the fixed plate is close to second transfer rod one end and is equipped with control mechanism, be equipped with the board in addition, first centre gripping subassembly and board butt.

Description

Multimedia teaching device for foreign literature

Technical Field

The utility model relates to a teaching equipment technical field specifically is a multimedia teaching device is used to foreign literature.

Background

The multimedia teaching is that in the teaching process, according to the characteristics of a teaching target and a teaching object, modern teaching media are reasonably selected and applied through teaching design, and are organically combined with the traditional teaching means to jointly participate in the whole teaching process, and various media information acts on students to form a reasonable teaching process structure so as to achieve the optimized teaching effect.

In the existing multimedia teaching device, the writing board is fixed on the body of the teaching device, so that the writing board is inconvenient to disassemble when not used, and the occupied space is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a multimedia teaching device is used to foreign literature, the advantage that it has can be convenient for dismantle the change to the board through the fixed establishment who sets up, can demolish the board when not using the board, and then can reduce the occupation space of the device, and the fixed establishment who sets up simultaneously can also demonstrate other article that need the show to the device's multifunctionality has been increased.

The above object of the present invention can be achieved by the following technical solutions:

a multimedia teaching device for foreign literature comprises a box body, wherein a cavity is formed in one side, away from the ground, of the box body, a lifting mechanism is fixedly connected to one side, close to the ground, of the cavity, a fixing mechanism is fixedly connected to one side, away from the ground, of the lifting mechanism, the fixing mechanism comprises a horizontally arranged fixing plate, the fixing plate is fixedly connected with the lifting mechanism, vertically arranged fixing rods are fixedly connected to two ends, away from the lifting mechanism, of the fixing plate, one end of each fixing rod is fixedly connected with a horizontally arranged first connecting rod, one end, away from each other, of each first connecting rod is hinged with a first transmission rod, one end, away from each fixing rod, of each first transmission rod is hinged with a horizontally arranged ejector rod, one end, away from each first transmission rod, of each ejector rod is fixedly connected with a first clamping assembly, and the side wall of each ejector rod is hinged with a second transmission rod, the one end that the ejector pin was kept away from to the second dowel bar with the dead lever is kept away from the one end of first transfer bar is articulated, just the axis of first transfer bar with the axis of second transfer bar is parallel, the fixed plate is close to second transfer bar one end is equipped with control mechanism, is equipped with the board in addition, first centre gripping subassembly with the board butt, one side that the ground was kept away from to the box is fixedly connected with display screen and control panel respectively.

Through adopting above-mentioned technical scheme, the head rod that sets up, first transfer pole, the ejector pin, parallel four-bar linkage is constituteed to the second transfer pole four, rotate through controlling the second transfer pole and can drive the ejector pin motion, and then make first centre gripping subassembly fix the board, otherwise, can cancel fixedly to the board, thereby be convenient for dismantle the change to the board, can demolish the board when not using the board, and then can reduce the device's occupation space, the fixed establishment who sets up simultaneously can also demonstrate other article that need the show, thereby the device's multifunctionality has been increased.

The present invention may be further configured in a preferred embodiment as: control mechanism includes first cylinder and rack, first cylinder one end with the fixed plate is close to one side fixed connection and the other end of second transfer line with rack fixed connection, the transmission direction of rack with the axis of cylinder is parallel, the both sides of the vertical direction of rack all mesh there is fan-shaped tooth, fan-shaped tooth with the second transfer line is kept away from the one end fixed connection of ejector pin, the rack is kept away from first cylinder one end fixedly connected with second centre gripping subassembly.

Through adopting above-mentioned technical scheme, can control first centre gripping subassembly through the first cylinder that sets up, rack, fan-shaped tooth and fix the board, the shrink of control first cylinder can drive rack motion, and rack motion drives fan-shaped tooth and removes, and fan-shaped tooth drives the motion of second transfer line to make first centre gripping subassembly fix the board, the second centre gripping subassembly of setting plays the supporting role to the board, thereby can increase the stability of board.

The present invention may be further configured in a preferred embodiment as: the first clamping assembly comprises a clamping plate, the clamping plate is fixedly connected with the ejector rod, a horizontally arranged chute is arranged on one side of the clamping plate away from the ejector rod, a first slide block and a second slide block are connected in the sliding groove in a sliding manner, side plates are fixedly connected on the sides of the first slide block and the second slide block, which are far away from the clamping plate, and a bidirectional threaded rod is arranged, the axis of the bidirectional threaded rod is parallel to the sliding direction of the first sliding block, the bidirectional threaded rod penetrates through the first sliding block and the second sliding block and is in threaded connection with the first sliding block and the second sliding block, the first sliding block and the second sliding block are positioned at two ends of the bidirectional threaded rod, two ends of the bidirectional threaded rod are rotatably connected with the clamping plate, one end of the bidirectional threaded rod penetrates through the clamping plate and is fixedly connected with the knob, and the second clamping assembly is identical to the first clamping assembly in structure.

Through adopting above-mentioned technical scheme, can control the distance between two curb plates through rotating two-way threaded rod, and then can further fix the board, increased the stability of board, also be convenient for simultaneously advance fixedly to the board of different thickness, increased the device's suitability.

The present invention may be further configured in a preferred embodiment as: the lifting mechanism comprises a second cylinder and a plurality of telescopic rods, the second cylinder and the telescopic rods are arranged vertically, one end, close to the ground, of each telescopic rod is fixedly connected with the corresponding cavity, and one side, far away from the ground, of each telescopic rod is fixedly connected with the corresponding fixed plate.

Through adopting above-mentioned technical scheme, the second cylinder that sets up can control fixed establishment's height and then can contract fixed establishment in the cavity, can also adjust the height of clipboard when using the device, and then can have student's quantity, student seat distribution condition to the height that suitable writing position and student watched according to the highly adjustable of clipboard in the classroom, has increased the device's suitability.

The present invention may be further configured in a preferred embodiment as: one side of the cavity, which is far away from the ground, is hinged with a cover plate.

By adopting the technical scheme, the cover plate can protect the inner part of the cavity when the fixing mechanism is contracted in the cavity, so that foreign matters such as external dust are prevented from entering the cavity, and the cleanliness of the inner part of the cavity is ensured.

The present invention may be further configured in a preferred embodiment as: the drawer is inserted into one side of the box body, which is perpendicular to the ground, and the drawer and the box body are connected in a sliding mode.

By adopting the technical scheme, the detached writing board can be stored through the arranged drawer, and the neatness of the device is further improved.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the head rod that sets up, first transfer line, the ejector pin, the parallel four-bar linkage is constituteed to the fourth person of second transfer line, rotate through controlling the second transfer line and can drive the ejector pin motion, and then make first centre gripping subassembly fix the board, otherwise, can cancel fixedly to the board, thereby be convenient for dismantle the change to the board, can demolish the board when not using the board, and then can reduce the device's occupation space, the fixed establishment who sets up simultaneously can also demonstrate other article that need the show, thereby the device's multifunctionality has been increased.

2. The distance between the two side plates can be controlled by rotating the bidirectional threaded rod, so that the writing board can be further fixed, the stability of the writing board is improved, meanwhile, the writing board with different thicknesses can be conveniently fixed, and the applicability of the device is improved.

3. The second cylinder that sets up can control fixed establishment's height and then can contract fixed establishment in the cavity, can also adjust the height of clipboard when using the device, and then can have student's quantity, student seat distribution condition to the height that suitable writing position and student watched with the altitude mixture control of clipboard according to the classroom, has increased the device's suitability.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic structural diagram of the first clamping assembly of the present invention.

Reference numerals: 1. a box body; 2. a cavity; 3. a lifting mechanism; 31. a second cylinder; 32. a telescopic rod; 4. a fixing mechanism; 41. a fixing plate; 42. fixing the rod; 43. a first connecting rod; 44. a first drive lever; 45. a top rod; 46. a first clamping assembly; 461. a clamping plate; 462. a chute; 463. a first slider; 464. a second slider; 465. a side plate; 466. a bidirectional threaded rod; 467. a knob; 47. a second transmission rod; 5. a control mechanism; 51. a first cylinder; 52. a rack; 53. sector-shaped teeth; 54. a second clamping assembly; 6. a writing board; 7. a display screen; 8. a control panel; 9. a cover plate; 10. a drawer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in FIG. 1 and FIG. 2, the multimedia teaching device for foreign literature comprises a box body 1, a cavity 2 is formed on one side of the box body 1 away from the ground, a lifting mechanism 3 is fixedly connected to one side of the cavity 2 close to the ground, a fixing mechanism 4 is fixedly connected to one side of the lifting mechanism 3 away from the ground, the fixing mechanism 4 comprises a horizontally arranged fixing plate 41, the fixing plate 41 is fixedly connected with the lifting mechanism 3, both ends of the fixing plate 41 away from the lifting mechanism 3 are fixedly connected with a vertically arranged fixing rod 42, one end of each of the two fixing rods 42 is fixedly connected with a horizontally arranged first connecting rod 43, one end of each of the two first connecting rods 43 away from each other is hinged with a first transmission rod 44, one end of each of the first transmission rod 44 away from the fixing rod 42 is hinged with a horizontally arranged ejector rod 45, one end of the ejector rod 45 away from the first transmission rod 44 is fixedly connected with a first clamping assembly 46, the lateral wall of ejector pin 45 articulates there is second transfer line 47, and the one end that the ejector pin 45 was kept away from to the second dowel bar is articulated with the one end that first transfer line 44 was kept away from to dead lever 42, and the axis of first transfer line 44 is parallel with the axis of second transfer line 47, and fixed plate 41 is close to second transfer line 47 one end and is equipped with control mechanism 5, is equipped with board 6 in addition, and first centre gripping subassembly 46 and board 6 butt, and box 1 keeps away from ground one side fixedly connected with display screen 7 and control panel 8 respectively. The head rod 43 that sets up, first transfer line 44, ejector pin 45, the parallelogram linkage of second transfer line 47 four constitution, rotate through control second transfer line 47 and can drive ejector pin 45 motion, and then make first centre gripping subassembly 46 fix board 6, vice versa, can cancel fixedly board 6, thereby be convenient for dismantle the change to board 6, can demolish board 6 when not using board 6, and then can reduce the device's occupation space, the fixed establishment 4 that sets up simultaneously can also demonstrate other article that need the show, thereby the device's multifunctionality has been increased.

As shown in fig. 2, the control mechanism 5 includes a first cylinder 51 and a rack 52, one end of the first cylinder 51 is fixedly connected to one side of the fixing plate 41 close to the second transmission rod 47, and the other end of the first cylinder is fixedly connected to the rack 52, the transmission direction of the rack 52 is parallel to the axis of the cylinder, sector-shaped teeth 53 are engaged on two sides of the rack 52 in the vertical direction, the sector-shaped teeth 53 are fixedly connected to one end of the second transmission rod 47 far away from the push rod 45, and a second clamping assembly 54 is fixedly connected to one end of the rack 52 far away from the first cylinder 51. Can control first centre gripping subassembly 46 through the first cylinder 51 that sets up, rack 52, fan-shaped tooth 53 and fix tablet 6, the shrink of control first cylinder 51 can drive rack 52 motion, rack 52 moves and drives fan-shaped tooth 53 and remove, fan-shaped tooth 53 drives the motion of second transfer line 47, thereby make first centre gripping subassembly 46 fix tablet 6, the second centre gripping subassembly 54 of setting plays the supporting role to tablet 6, thereby can increase the stability of tablet.

As shown in fig. 2 and 3, the first clamping assembly 46 includes a clamping plate 461, the clamping plate 461 is fixedly connected to the push rod 45, a horizontally disposed sliding slot 462 is formed on one side of the clamping plate 461, which is away from the push rod 45, a first sliding block 463 and a second sliding block 464 are slidably connected to the sliding slot 462, a side plate 465 is fixedly connected to both sides of the first sliding block 463 and the second sliding block 464, which are away from the clamping plate 461, a bidirectional threaded rod 466 is further provided, an axis of the bidirectional threaded rod 466 is parallel to a sliding direction of the first sliding block 463, the bidirectional threaded rod 466 penetrates through the first sliding block 463 and the second sliding block 464 and is in threaded connection therewith, the threaded connection here satisfies self-locking, the first sliding block 463 and the second sliding block 464 are located at both ends of the bidirectional threaded rod 466, both ends of the bidirectional threaded rod 466 are rotatably connected to the clamping plate 461, one end of the bidirectional threaded rod 466 penetrates through the clamping plate 461 and is fixedly connected to a knob 467, and the second clamping assembly 54 has the same structure as the first clamping assembly 46. The distance between the two side plates 465 can be controlled by rotating the bidirectional threaded rod 466, so that the writing board 6 can be further fixed, the stability of the writing board 6 is improved, meanwhile, the writing board 6 with different thicknesses can be conveniently fixed, and the applicability of the device is improved.

As shown in fig. 2, the lifting mechanism 3 includes a second cylinder 31 and two telescopic rods 32, the two telescopic rods 32 are located at two sides of the second cylinder 31, the second cylinder 31 and the two telescopic rods 32 are vertically arranged, one ends of the second cylinder 31 and the telescopic rods 32, which are close to the ground, are fixedly connected with the cavity 2, and one sides of the second cylinder 31 and the telescopic rods 32, which are far away from the ground, are fixedly connected with the fixing plate 41. The telescopic link 32 that sets up plays supplementary spacing effect, and the second cylinder 31 that sets up can control the height of fixed establishment 4 and then can contract fixed establishment 4 in cavity 2, can also highly adjust tablet 6 when using the device, and then can have student's quantity, student's seat distribution condition to the height that suitable writing position and student watched with the altitude mixture control of tablet in the classroom, increased the device's suitability.

As shown in fig. 1, one side of the cavity 2, which is far away from the ground, is hinged with an cover plate 9, and the cover plate 9 can protect the inside of the cavity 2 when the fixing mechanism 4 is retracted into the cavity 2, so that foreign matters such as external dust are prevented from entering the cavity 2, and the cleanliness of the inside of the cavity 2 is ensured.

As shown in FIG. 1, a drawer 10 is inserted into one side of the box 1 perpendicular to the ground and is slidably connected with the box, and the size of the drawer 10 is convenient for storing the tablet 6. The detached tablet 6 can be stored by the drawer 10, thereby improving the cleanliness of the device.

The implementation principle of the embodiment is as follows: when the height of the writing board 6 needs to be adjusted, the second cylinder 31 is controlled to stretch out and draw back to adjust the height of the writing board 6, when the writing board 6 needs to be disassembled, the knob 467 is firstly rotated to drive the bidirectional threaded rod 466 to rotate so that the two side plates 465 can be fixedly removed from the writing board 6, then the first cylinder 51 is controlled to extend to drive the rack 52 to move, the rack 52 moves to drive the sector teeth 53 to move, the sector teeth 53 drive the second transmission rod 47 to move, the second transmission rod 47 rotates to drive the ejector rod 45 to move, and further the first clamping component 46 is enabled to be fixedly removed from the writing board 6, so that the writing board 6 can be disassembled, otherwise, the writing board 6 can be assembled.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The multimedia teaching device for foreign literature comprises a box body (1) and is characterized in that a cavity (2) is formed in one side, away from the ground, of the box body (1), the lifting mechanism (3) is fixedly connected to one side, close to the ground, of the cavity (2), the fixing mechanism (4) is fixedly connected to one side, away from the ground, of the lifting mechanism (3), the fixing mechanism (4) comprises a fixing plate (41) which is horizontally arranged, the fixing plate (41) is fixedly connected with the lifting mechanism (3), vertically arranged fixing rods (42) are fixedly connected to two ends, away from the lifting mechanism (3), of the fixing plate (41), one ends of the two fixing rods (42) are fixedly connected with horizontally arranged first connecting rods (43), and one ends, away from each other, of the two first connecting rods (43) are hinged with first transmission rods (44), one end of the first transmission rod (44) far away from the fixed rod (42) is hinged with a top rod (45) which is horizontally arranged, one end of the ejector rod (45) far away from the first transmission rod (44) is fixedly connected with a first clamping assembly (46), the side wall of the top rod (45) is hinged with a second transmission rod (47), one end of the second transmission rod, which is far away from the top rod (45), is hinged with one end of the fixed rod (42), which is far away from the first transmission rod (44), and the axis of the first transmission rod (44) is parallel to the axis of the second transmission rod (47), one end of the fixed plate (41) close to the second transmission rod (47) is provided with a control mechanism (5) and a writing board (6), the first clamping assembly (46) is abutted to the writing board (6), and one side, far away from the ground, of the box body (1) is fixedly connected with the display screen (7) and the control panel (8) respectively.

2. The multimedia teaching device for foreign literature according to claim 1, wherein the control mechanism (5) comprises a first cylinder (51) and a rack (52), one end of the first cylinder (51) is fixedly connected with one side of the fixing plate (41) close to the second transmission rod (47) and the other end of the first cylinder is fixedly connected with the rack (52), the transmission direction of the rack (52) is parallel to the axis of the cylinder, fan-shaped teeth (53) are meshed with two sides of the rack (52) in the vertical direction, the fan-shaped teeth (53) are fixedly connected with one end of the second transmission rod (47) far away from the ejector rod (45), and one end of the rack (52) far away from the first cylinder (51) is fixedly connected with a second clamping component (54).

3. The multimedia teaching device for foreign literature according to claim 2, wherein the first clamping assembly (46) comprises a clamping plate (461), the clamping plate (461) is fixedly connected with the top rod (45), a horizontally arranged sliding slot (462) is formed on one side of the clamping plate (461) far away from the top rod (45), a first sliding block (463) and a second sliding block (464) are slidably connected in the sliding slot (462), side plates (465) are fixedly connected on one sides of the first sliding block (463) and the second sliding block (464) far away from the clamping plate (461), a bidirectional threaded rod (466) is further arranged, the axis of the bidirectional threaded rod (466) is parallel to the sliding direction of the first sliding block (463), and the bidirectional threaded rod (466) penetrates through the first sliding block (463) and the second sliding block (463) and is in threaded connection with the first sliding block (463) and the second sliding block (463), the first sliding block (463) and the second sliding block (464) are located at two ends of the bidirectional threaded rod (466), two ends of the bidirectional threaded rod (466) are rotatably connected with the clamping plate (461), one end of the bidirectional threaded rod (466) penetrates through the clamping plate (461) and is fixedly connected with a knob (467), and the second clamping assembly (54) and the first clamping assembly (46) are identical in structure.

4. The multimedia teaching device for foreign literature according to claim 1, wherein the lifting mechanism (3) comprises a second cylinder (31) and a plurality of telescopic rods (32), the second cylinder (31) and the plurality of telescopic rods (32) are vertically arranged, one ends of the second cylinder (31) and the telescopic rods (32) close to the ground are fixedly connected with the cavity (2), and one sides of the second cylinder (31) and the telescopic rods (32) far away from the ground are fixedly connected with the fixing plate (41).

5. A multimedia teaching device for foreign literature according to claim 1, characterized in that the side of said cavity (2) remote from the ground is hinged with a cover plate (9).

6. The multimedia teaching device for foreign literature according to claim 1, wherein a drawer (10) is inserted into one side of the box body (1) vertical to the ground and is connected with the box body in a sliding way.