CN213108793U

CN213108793U - A multifunctional panel for law classroom teaching

Info

Publication number: CN213108793U
Application number: CN202020784287.2U
Authority: CN
Inventors: 卫江波; 崔卫军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-05-04
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a multifunctional panel for law classroom teaching, which comprises support legs, a bracket, a panel frame, a writing board lifting unit and a telescopic unit; supporting legs: is connected with the inner wall of the bracket in a sliding way; panel frame: install clipboard lift unit telescoping unit in: contain rack, gear, mount, connecting rod one, connecting rod two, pivot, fixed horizontal bar, nylon cloth and spool, mount fixed connection support's upside, the through-hole of seting up on the both ends of spool and the mount rotates and is connected, the one end of gear fixed connection spool, rack and gear engagement, the outside sliding connection of rack and support, the lower part fixed surface of rack connects the handle, the one end of connecting rod one is rotated and is connected the mount, and the other end of connecting rod one rotates and connects the pivot, the one end of connecting rod two is rotated and is connected the pivot, can avoid teaching panel reflection of light, can go up and down the clipboard, can also use as the projection curtain.

Description

A multifunctional panel for law classroom teaching

Technical Field

The utility model relates to a teaching technical field specifically is a multifunctional panel for law classroom teaching.

Background

With the development of the technology, on the existing law class, a teacher is passive in teaching legal knowledge, often needs to write law rules, play slides in cooperation with a projector and paste a plane teaching aid on a panel for teaching, so that a lot of time is wasted in changing teaching modes, the analysis thought of the whole case is interrupted, the logical connection points and the divergent thinking of case analysis are destroyed, the teaching efficiency of students is greatly reduced, the analysis capability of cultivating students' cases is reduced, the existing teaching panel is mainly that a writing board is fixed on the wall surface, a projection curtain is fixed above the writing board, the teacher is inconvenient to write at the high position of the writing board during writing on the board, the teaching is often required to be performed in cooperation with the slides, and the light reflection conditions of the writing board and the projection curtain can occur in a specific time, greatly influencing the learning of students.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a multifunctional panel for law classroom teaching, can avoid the teaching panel reflection of light, can lift the clipboard, can also use as the projection curtain, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional panel for law classroom teaching comprises supporting legs, a support, a panel frame, a writing board lifting unit and a telescopic unit;

supporting legs: is connected with the inner wall of the bracket in a sliding way;

panel frame: a writing board lifting unit is arranged in the writing board lifting device;

a telescopic unit: contain rack, gear, mount, connecting rod one, connecting rod two, pivot, fixed horizontal bar, nylon cloth and spool, the upside of mount fixed connection support, the through-hole of seting up on the both ends of spool and the mount rotates to be connected, the one end of gear fixed connection spool, rack and gear engagement, the outside sliding connection of rack and support, the lower part fixed surface of rack connects the handle, the one end of connecting rod one is rotated and is connected the mount, and the other end of connecting rod one rotates and connects the pivot, the one end of connecting rod two is rotated and is connected the pivot, and the other end of connecting rod two rotates and connects the both sides of fixed horizontal bar lower surface, the upper surface of the fixed horizontal bar of one end fixed connection of nylon cloth, the other end winding of nylon cloth is on the spool.

Through outside pulling fixed horizontal bar, fixed horizontal bar drives the nylon cloth and expandes, it rotates to drive the spool when the nylon cloth expandes, the spool drives rack sideslip through the gear, and simultaneously, fixed horizontal bar moves forward and drives connecting rod two, connecting rod two drives connecting rod one through the pivot, connecting rod one and connecting rod two are the straight line and support fixed horizontal bar this moment, play the effect of preventing reflecting light, when need not prevent the glimmering light, the handle on through the rack is the rack of pulling downwards, the rack passes through the gear and drives the spool and rollback nylon cloth, nylon cloth drives fixed horizontal bar and moves backward, fixed horizontal bar drives connecting rod two, connecting rod two drives connecting rod one through the pivot, connecting rod one and connecting rod two are fold condition this moment.

Furthermore, the writing board lifting unit comprises an upper pulley, a pulley fixing frame, a slide bar, a first writing board, a first connecting rope, a second writing board, a second connecting rope and a lower pulley, the bottom of the pulley fixing frame is fixedly connected in the panel frame, the upper pulley and the lower pulley are connected in a through hole of the pulley fixing frame in a sliding way, the first writing board and the second writing board are arranged in the panel frame in a staggered mode, sliding strips are fixedly connected to the two sides of the first writing board and the second writing board, the sliding strips are connected with corresponding sliding rails arranged on two sides of the panel frame in a sliding manner, one end of the first connecting rope is fixedly connected with the tops of two sides of the first writing board, the other end of the first connecting rope is fixedly connected with the tops of two sides of the second writing board by bypassing the upper pulley, and one end of the second connecting rope is fixedly connected with the bottoms of the two sides of the first writing board, and the other end of the second connecting rope bypasses the bottoms of the two sides of the second lower pulley and is fixedly connected with the second writing board.

When writing in clipboard two full, the push up clipboard two, the draw runner of two both sides of clipboard slides in the spout of panel frame, and clipboard two through walk around two drive clipboard one of connection rope of lower pulley, but the draw runner of clipboard one through both sides and panel frame's sliding connection downstream, quick replacement clipboard.

Further, the connecting device further comprises a knob, a connecting block and a screw, wherein the screw is in threaded connection with a threaded hole in the outer side of the connecting block, the connecting block is fixedly connected with a panel frame through the screw, a shaft at the end of the connecting block rotates to connect through holes in two sides of the support, and the knob is in threaded connection with the shaft at the end of the connecting block.

When needs use the projection curtain, the knob is loosened soon, and the panel frame rotates to come suitable angle, screws the knob, and the switching of writing and projection can be carried out fast to the angle of fixed panel frame.

Furthermore, still include projection curtain and clipboard protecting frame, the rear side of panel frame is connected in the fixed connection of projection curtain, the inboard of panel frame is connected in the fixed connection all around of clipboard protecting frame. The projection screen can play slides by using a projector, and the first writing board and the second writing board can be protected by the writing board protection frame.

Further, still include spacing hole and gag lever post, spacing hole is seted up to the outside equidistance of support, the bottom of gag lever post is equipped with compression spring, gag lever post and landing leg sliding connection. The limiting rod is pressed down, the support is adjusted to be at a proper height, the limiting rod is made to pop out from the limiting hole corresponding to the support at present, the height of the support is fixed, and the height of the panel frame can be adjusted.

The support leg is fixedly connected with the bottom end of the support leg, one end of the rib plate is fixedly connected with the side face of the support leg, and the other end of the rib plate is fixedly connected with the upper side of the support leg.

Compared with the prior art, the beneficial effects of the utility model are that: this a multifunctional panel for law classroom teaching has following benefit:

1. the multifunctional panel for law classroom teaching is provided with the writing board lifting unit, when a teacher is full of writing on the writing board II, the writing board II is pushed upwards, the sliding strips on the two sides of the writing board II slide in the sliding grooves in the panel frame, the writing board II drives the writing board I through the connecting rope II bypassing the lower pulley, the writing board I moves downwards through the sliding connection of the sliding strips on the two sides and the panel frame, and the teacher can write on the writing board I at the moment, so that the blackboard writing of the teacher is facilitated;

2. the multifunctional panel for law classroom teaching is provided with the telescopic unit, when light reflection occurs in the teaching process, a teacher can pull the fixed cross bar outwards, the fixed cross bar drives the nylon cloth to expand, the scroll is driven to rotate while the nylon cloth expands, the scroll drives the rack to slide upwards through the gear, meanwhile, the fixed cross bar moves forwards to drive the connecting rod II, the connecting rod II drives the connecting rod I through the rotating shaft, at the moment, the connecting rod I and the connecting rod II are straight lines to support the fixed cross bar, the light reflection preventing effect is achieved, and students are prevented from not seeing the blackboard writing on the blackboard clearly;

3. this a multifunctional panel for law classroom teaching has set up, panel that can rotate, when the slide need be broadcast in the blackboard-writing, can be through loosening the knob soon, with panel frame rotatory come suitable angle, the knob of screwing, the angle of fixed panel frame, the projection curtain just can use this moment, convenient and fast.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a schematic view of the telescopic structure of the present invention;

fig. 4 is a schematic view of the bottom view structure of the present invention;

fig. 5 is a schematic view of the lifting structure of the present invention.

In the figure: the multifunctional writing board comprises 1 supporting leg, 2 supports, 3 panel frames, 4 writing board lifting units, 41 upper pulleys, 42 pulley fixing frames, 43 sliding bars, 44 writing board I, 45 connecting rope I, 46 writing board II, 47 connecting rope II, 48 lower pulleys, 5 telescopic units, 51 racks, 52 gears, 53 fixing frames, 54 connecting rod I, 55 connecting rod II, 56 rotating shafts, 57 fixing crossbars, 58 nylon cloth, 59 reels, 6 knobs, 7 connecting blocks, 8 screws, 9 limiting holes, 10 limiting rods, 11 projection screens, 12 writing board protecting frames, 13 rib plates and 14 supporting legs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a multifunctional panel for law classroom teaching comprises supporting legs 1, a bracket 2, a panel frame 3, a writing board lifting unit 4 and a telescopic unit 5;

leg 1: is connected with the inner wall of the bracket 2 in a sliding way; the leg support further comprises rib plates 13 and support legs 14, the support legs 14 are fixedly connected with the bottom ends of the support legs 1, one ends of the rib plates 13 are fixedly connected with the side faces of the support legs 1, and the other ends of the rib plates 13 are fixedly connected with the upper sides of the support legs 14. The rib plate 13 enables the connection between the support leg 14 and the support leg 1 to be more stable, and further comprises a limiting hole 9 and a limiting rod 10, the limiting hole 9 is formed in the outer side of the support 2 at equal intervals, a compression spring is arranged at the bottom of the limiting rod 10, and the limiting rod 10 is connected with the support leg 1 in a sliding mode. The limiting rod 10 is pressed down, the support 2 is adjusted to a proper height, the limiting rod 10 is made to pop out from the limiting hole 9 corresponding to the current position, and the height of the support 2 is fixed.

The panel frame 3: a writing board lifting unit 4 is arranged in the writing board lifting unit 4, the writing board lifting unit 4 comprises an upper pulley 41, a pulley fixing frame 42, a sliding strip 43, a first writing board 44, a first connecting rope 45, a second writing board 46, a second connecting rope 47 and a lower pulley 48, the bottom of the pulley fixing frame 42 is fixedly connected in the panel frame 3, the upper pulley 41 and the lower pulley 48 are rotatably connected in through holes of the pulley fixing frame 42, the first writing board 44 and the second writing board 46 are staggered in the panel frame 3, the sliding strip 43 is fixedly connected on two sides of the first writing board 44 and the second writing board 46, the sliding strip 43 is slidably connected with sliding rails corresponding to two sides of the panel frame 3, one end of the first connecting rope 45 is fixedly connected with the top parts on two sides of the first writing board 44, the other end of the first connecting rope 45 bypasses the top parts on two sides of the upper pulley 41 and fixedly connected with the top parts on two sides of the second writing board, the other end of the second connecting rope 47 passes through the lower pulley 48 and is fixedly connected with the bottoms of the two sides of the second writing board 46.

When the teacher is full of writing on the second writing board 46, the second writing board 46 is pushed upwards, the sliding strips 43 on the two sides of the second writing board 46 slide in the sliding grooves in the panel frame 3, the second writing board 46 drives the first writing board 44 through the second connecting rope 47 passing by the lower pulley 48, the first writing board 44 moves downwards through the sliding connection between the sliding strips 43 on the two sides and the panel frame 3, and the teacher can write on the first writing board 44 at the moment.

The telescopic unit 5: contain rack 51, gear 52, mount 53, connecting rod 54, connecting rod 55, pivot 56, fixed horizontal bar 57, nylon cloth 58 and spool 59, mount 53 fixed connection support 2's upside, the through-hole that sets up on spool 59's both ends and the mount 53 rotates and is connected, gear 52 fixed connection spool 59's one end, rack 51 meshes with gear 52, rack 51 and support 2's outside sliding connection, rack 51's lower part fixed surface connects the handle, connecting rod 54's one end is rotated and is connected mount 53, connecting rod 54's the other end is rotated and is connected pivot 56, connecting rod two 55's one end is rotated and is connected pivot 56, connecting rod two 55's the other end is rotated and is connected the both sides of fixed horizontal bar 57 lower surface, the upper surface of fixed horizontal bar 57 of one end fixed connection of nylon cloth 58, the other end winding of nylon cloth 58 is on spool 59.

Fixed horizontal bar 57 of outer pulling, fixed horizontal bar 57 drives nylon cloth 58 and expandes, drive spool 59 when nylon cloth 58 expandes and rotate, spool 59 passes through gear 52 and drives rack 51 and upwards slides, and simultaneously, fixed horizontal bar 57 moves forward and drives two 55 connecting rods, two 55 connecting rods drive first connecting rod 54 through pivot 56, connecting rod 54 and two 55 connecting rods are the straight line and support fixed horizontal bar 57 this moment, play the effect of anti-light reflection, when need not prevent the light reflection, downwards pull rack 51 through the handle on rack 51, rack 51 drives spool 59 through gear 52 and rolls back nylon cloth 58, nylon cloth 58 drives fixed horizontal bar 57 and moves backward, fixed horizontal bar 57 drives two 55 connecting rods, two 55 connecting rods drive first connecting rod 54 through pivot 56, connecting rod 54 and two 55 are fold condition this moment.

Wherein, still include knob 6, connecting block 7 and screw 8, screw 8 and the screw hole threaded connection in the connecting block 7 outside, connecting block 7 passes through 8 fixed connection panel frame 3 of screw, and the through-hole of connecting support 2 both sides is rotated to the end axle of connecting block 7, and knob 6 and connecting block 7's end axle threaded connection. By loosening the knob 6, the panel frame 3 can be rotated to a proper angle, and the knob 6 is screwed to fix the angle of the panel frame 3.

When in use:

the limiting rod 10 is pressed down, the support 2 is adjusted to a proper height, the limiting rod 10 is popped out from the limiting hole 9 corresponding to the current position, the height of the support 2 is fixed, when a teacher is full of the second writing board 46, the second writing board 46 is pushed upwards, the sliding strips 43 on the two sides of the second writing board 46 slide in the sliding grooves in the panel frame 3, the second writing board 46 drives the first writing board 44 through the connecting rope II 47 bypassing the lower pulley 48, the first writing board 44 moves downwards through the sliding connection of the sliding strips 43 on the two sides and the panel frame 3, the teacher can write on the first writing board 44, when a slide needs to be played, the knob 6 is loosened, the panel frame 3 is rotated to a proper angle, the slide knob 6 and the angle of the panel frame 3 are fixed, the slide is put on the projection screen 11, when the light is reflected in the teaching process, the teacher can pull the fixing cross strip 57 outwards, fixed horizontal bar 57 drives nylon cloth 58 and expandes, drive spool 59 when nylon cloth 58 expandes and rotate, spool 59 passes through gear 52 and drives rack 51 upwards and slide, and simultaneously, fixed horizontal bar 57 moves forward and drives connecting rod two 55, connecting rod two 55 drives connecting rod one 54 through pivot 56, connecting rod one 54 and connecting rod two 55 are the straight line and support fixed horizontal bar 57 this moment, play the effect of anti-reflection of light, when need not prevent the reflection of light, through the handle on rack 51 pull down rack 51, rack 51 drives spool 59 through gear 52 and rolls back nylon cloth 58, nylon cloth 58 drives fixed horizontal bar 57 and moves backward, fixed horizontal bar 57 drives connecting rod two 55, connecting rod two 55 drives connecting rod one 54 through pivot 56, connecting rod one 54 and connecting rod two 55 are fold condition this moment.

It should be noted that in this embodiment, the support legs 1 and the support frame 2 are aluminum alloy hollow square tubes, the first writing board 44 and the second writing board 46 can be white magnetic writing boards, and the nylon cloth 58 is black.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multi-functional panel for law classroom teaching which characterized in that: comprises supporting legs (1), a bracket (2), a panel frame (3), a writing board lifting unit (4) and a telescopic unit (5);

leg (1): is connected with the inner wall of the bracket (2) in a sliding way;

panel frame (3): a writing board lifting unit (4) is arranged in the writing board;

expansion unit (5): comprises a rack (51), a gear (52), a fixing frame (53), a first connecting rod (54), a second connecting rod (55), a rotating shaft (56), a fixed transverse strip (57), nylon cloth (58) and a scroll (59), wherein the fixing frame (53) is fixedly connected with the upper side of a support (2), two ends of the scroll (59) are rotatably connected with a through hole formed in the fixing frame (53), the gear (52) is fixedly connected with one end of the scroll (59), the rack (51) is meshed with the gear (52), the rack (51) is slidably connected with the outer side of the support (2), the lower surface of the rack (51) is fixedly connected with a handle, one end of the first connecting rod (54) is rotatably connected with the fixing frame (53), the other end of the first connecting rod (54) is rotatably connected with the rotating shaft (56), one end of the second connecting rod (55) is rotatably connected with the rotating shaft (56), and the other end of the second connecting rod (55) is rotatably connected with, one end of the nylon cloth (58) is fixedly connected with the upper surface of the fixed cross bar (57), and the other end of the nylon cloth (58) is wound on the reel (59).

2. A multi-functional panel for legal classroom teaching as claimed in claim 1, wherein: the writing board lifting unit (4) comprises an upper pulley (41), a pulley fixing frame (42), a sliding strip (43), a first writing board (44), a first connecting rope (45), a second writing board (46), a second connecting rope (47) and a lower pulley (48), wherein the bottom of the pulley fixing frame (42) is fixedly connected in the panel frame (3), the upper pulley (41) and the lower pulley (48) rotate to be connected in a through hole of the pulley fixing frame (42), the first writing board (44) and the second writing board (46) are arranged in the panel frame (3) in a staggered mode, the first writing board (44) and the second writing board (46) are fixedly connected with the sliding strip (43) at two sides, the sliding strip (43) is connected with a sliding rail corresponding to two sides of the panel frame (3), the top parts at two sides of the first writing board (44) are fixedly connected with one end of the first connecting rope (45), and the top parts at two sides of the second writing board (46) are fixedly connected with the other end of the first connecting rope (45), one end of the second connecting rope (47) is fixedly connected with the bottoms of the two sides of the first writing board (44), and the other end of the second connecting rope (47) bypasses the lower pulley (48) to be fixedly connected with the bottoms of the two sides of the second writing board (46).

3. A multi-functional panel for legal classroom teaching as claimed in claim 1, wherein: still include knob (6), connecting block (7) and screw (8), screw (8) and the screw hole threaded connection in the connecting block (7) outside, connecting block (7) are through screw (8) fixed connection panel frame (3), the through-hole of connecting support (2) both sides is rotated to the end axle of connecting block (7), the end axle threaded connection of knob (6) and connecting block (7).

4. A multi-functional panel for legal classroom teaching as claimed in claim 1, wherein: still include projection curtain (11) and writing board protecting frame (12), projection curtain (11) fixed connection face board frame's (3) rear side, the inboard of writing board protecting frame (12) is connected to the fixed face board frame of connecting all around (3).

5. A multi-functional panel for legal classroom teaching as claimed in claim 1, wherein: the support is characterized by further comprising a limiting hole (9) and a limiting rod (10), wherein the limiting hole (9) is formed in the outer side of the support (2) at the same interval, a compression spring is arranged at the bottom of the limiting rod (10), and the limiting rod (10) is connected with the supporting leg (1) in a sliding mode.

6. A multi-functional panel for legal classroom teaching as claimed in claim 1, wherein: the foldable support leg is characterized by further comprising a rib plate (13) and a support leg (14), wherein the support leg (14) is fixedly connected with the bottom end of the support leg (1), one end of the rib plate (13) is fixedly connected with the side face of the support leg (1), and the other end of the rib plate (13) is fixedly connected with the upper side of the support leg (14).