CN210804864U - Novel display board for Chinese teaching - Google Patents

Abstract

The utility model belongs to the technical field of chinese teaching aid technique and specifically relates to a novel chinese teaching is with show board, including outer plate case, inner panel case, sheet frame, bracing piece, H shape base, pull rod, outer plate case both sides fixedly connected with sheet frame, outer plate case are the two-sided available box of upper and lower opening and its internalization peg graft and have two-sided available inner panel case, the 4 trapezoidal topsheets of pull rod bilateral symmetry fixedly connected with of inner panel case, 2 direction sliding sleeves of equal fixedly connected with on the inner panel case tank wall in the trapezoidal top sheet outside, peg graft between the direction sliding sleeve of homonymy and have the cross round pin, and the inboard one end top of cross round pin is on trapezoidal top. The utility model has the advantages of reasonable design, through the combined use of interior plate case and planking case tow sides, can expand and write the show area, not the time spent can contract into the box structure with this device, be convenient for keep flat write or remove deposit, convenience simple to use is worth using widely.

Description

Novel display board for Chinese teaching

Technical Field

The utility model belongs to the technical field of the chinese teaching aid technique and specifically relates to a novel show board is used in chinese teaching.

Background

Need use the show board to assist the teaching in the chinese teaching, current show board is mostly the single face and uses, can write that the show area is little, and many comparatively heavy, occupation space is big, removes inconveniently, writes and show use very inconvenient, has influenced teaching efficiency.

Disclosure of Invention

The utility model aims at overcoming above-mentioned technical shortcoming and providing a novel show board is used in chinese teaching. The utility model has the advantages of reasonable design, through the combination use of inner panel case and planking case tow sides, can expand and write the show area, can pull out the upper and lower side of the outside planking case of inner panel case as required, not the time spent can contract this device into the box structure, be convenient for keep flat write or remove deposit, convenience simple to use, occupation space is little, and the practicality is strong, is worth using widely.

The utility model provides a technical scheme that technical problem adopted does: a novel display board for Chinese teaching comprises an outer board box, an inner board box, board frames, support rods, an H-shaped base and pull rods, wherein the board frames are fixedly connected to two sides of the outer board box, vertical and through support holes are fixedly formed in the board frames, the support rods are inserted in the support holes, locking bolts are fixedly arranged at the lower ends of the outer side frame faces of the board frames, the H-shaped base is fixedly connected to the lower ends of the support rods at two sides, a plurality of locking holes are uniformly formed in the inner walls at two sides of the outer board box, the outer board box is a box body with an upper opening and a lower opening and two sides, the inner board box is movably inserted in the outer board box, a semicircular handle is fixedly connected to the upper box wall and the lower box wall of the inner board box, jacks are formed in the inner board box wall in the middle of the handle, the pull rods are movably inserted in the jacks, pull rings are fixedly connected to two, 4 trapezoidal top boards of pull rod bilateral symmetry fixedly connected with in the inner panel case, equal 2 direction sliding sleeves of fixedly connected with on the inner panel case tank wall in the trapezoidal top board outside, it has the cross round pin to peg graft between the direction sliding sleeve of homonymy, and the cover has compression spring on the cross round pin between the direction sliding sleeve in the middle part branch of cross round pin and the outside, the symmetry is equipped with 4 pinholes on the tank wall of inner panel case both sides, and the one end in the outside of cross round pin is inserted in the pinhole, and the inboard one end top of cross round pin is on trapezoidal top board. When the device is not used, the support rod can be inserted into the support hole in the plate frame, the inner plate box is locked and fixed through the locking bolt, the inner plate box is inserted into the outer plate box, 4 cross pins at two sides of the inner plate box are inserted into the locking hole of the outer plate box, the inner plate box and the outer plate box can be locked and fixed, the device can be contracted into a box body which is convenient to move and can be horizontally placed on a teacher's desk for writing and preparing lessons, the handle is convenient to hold by hands for moving and adjusting, the handle is held by hands, the middle finger lifts the pull ring, the trapezoidal top plate can be staggered with the cross pin, the cross pin is contracted inwards under the action of the compression spring, the cross pin is separated from the locking hole of the outer plate box, the inner plate box can be taken out from the outer plate box for writing and preparing lessons, the inner plate box can also be moved up and down in the outer plate box, the writing display area at the upper side and the lower side of the pull ring of, trapezoidal top piece on the pull rod continues to push up the cross round pin in both sides, makes the cross round pin insert in the locking hole of both sides to fix inner panel case and planking case locking, easy operation is convenient, uses through the four sides combination of inner panel case and planking case, has expanded greatly and has write the demonstration area, can contract this device into a box, is convenient for remove, and the practicality is strong, is worth using widely.

The utility model discloses the beneficial effect who has is: the utility model has the advantages of reasonable design, through the combination use of inner panel case and planking case tow sides, can expand and write the show area, can pull out the upper and lower side of the outside planking case of inner panel case as required, not the time spent can contract this device into the box structure, be convenient for keep flat write or remove deposit, convenience simple to use, occupation space is little, and the practicality is strong, is worth using widely.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the locking hole of the present invention.

Fig. 3 is the internal structure schematic diagram of the inner plate box of the present invention.

Detailed Description

The present invention will be described in detail below with reference to fig. 1 to 3.

As shown in figures 1-3, the utility model comprises an outer plate case 1, an inner plate case 2, a plate frame 3, a support rod 6, an H-shaped base 7 and a pull rod 12, wherein the plate frame 3 is fixedly connected with the two sides of the outer plate case 1, a vertical through support hole 4 is fixedly arranged in the plate frame 3, the support rod 6 is inserted in the support hole 4, a locking bolt 5 is fixedly arranged at the lower end of the outer frame surface of the plate frame 3, the H-shaped base 7 is fixedly connected with the lower end of the support rod 6 at the two sides, a plurality of locking holes 18 are uniformly arranged on the inner walls at the two sides of the outer plate case 1, the outer plate case 1 is a case body with an upper opening and a lower opening and two sides capable of being used, the inner plate case 2 with two sides capable of being movably inserted therein, the inner plate case 2 is a closed case body, the upper and lower case walls of the inner plate case body are fixedly connected with a semicircular handle 9, equal fixedly connected with reset spring 11 on the pull rod 12 between the tank wall of pull ring 10 and inner panel case 2, 4 trapezoidal top boards 13 of the 12 bilateral symmetry fixedly connected with of pull rod in the inner panel case 2, equal fixedly connected with 2 direction sliding sleeves 14 on the inner panel case 2 tank wall in the trapezoidal top board 13 outside, it has cross round pin 8 to peg graft between the direction sliding sleeve 14 of homonymy, the cover has compression spring 15 on the cross round pin 8 between the direction sliding sleeve 14 in the middle part branch of cross round pin 8 and the outside, the symmetry is equipped with 4 pinhole 16 on the tank wall of inner panel case 2 both sides, and the one end in the outside of cross round pin 8 is inserted in pinhole 16, and the inboard one end of cross round pin 8 pushes up on trapezoidal top board 13. When the device is not used, the support rod 6 can be inserted into the support hole 4 in the plate frame 3, the inner handle is locked and fixed through the locking bolt 5, the inner plate box 2 is inserted into the outer plate box 1, the 4 cross pins 8 at the two sides of the inner plate box 2 are inserted into the locking hole 18 of the outer plate box 1, the inner plate box 2 and the outer plate box 1 can be locked and fixed, the device can be contracted into a box body which is convenient to move and can be horizontally placed on a desk for writing and preparation, the handle 9 is convenient to hand and move and adjust, the handle 9 is held by a hand, the middle finger lifts the pull ring 10, the trapezoidal top plate 13 and the cross pin 8 can be staggered, the cross pin 8 can be inwards contracted under the action of the compression spring 15, the cross pin 8 can be separated from the locking hole 18 of the outer plate box 1, so that the inner plate box 2 can be taken out of the outer plate box 1 for writing and preparation, the inner plate box 2 can also be moved up and down in the outer plate box 1, thereby expanding the upper and lower, the pull ring 10 is loosened, the pull ring 10 returns to the original position under the action of the upper and lower reset springs 11, the trapezoidal top plates 13 on the pull ring 12 continue to abut against the cross pins 8 on the two sides, the cross pins 8 are inserted into the locking holes 18 on the two sides, the inner plate box 2 and the outer plate box 1 are locked and fixed, the operation is simple and convenient, the writing demonstration area is greatly expanded by using the four sides of the inner plate box 2 and the outer plate box 1 in a combined mode, the device can be contracted into a box body, the device is convenient to move, the practicability is high, and the device is worthy of popularization and use.

During the use, pull out bracing piece 6 from sheet frame 3 and fixed through locking bolt 5 locking, can hold handle 9, the middle finger lifts pull ring 10, makes cross round pin 8 inwards withdraw and leave locking hole 18, thereby can pull out the outside board case 1 upside or downside of interior board case 2 as required, loosen pull ring 10, thereby cross round pin 8 can be inserted and fix interior board case 2 and the locking of planking case 1 in locking hole 18, then use interior board case 2 and planking case 1 to demonstrate the use can.

Claims (1)

1. The utility model provides a novel chinese teaching is with show board, includes outer board case, interior board case, sheet frame, bracing piece, H shape base, pull rod, its characterized in that: the outer plate box is a box body with two usable sides and an upper opening and a lower opening, the inner plate box is a closed box body, the upper box wall and the lower box wall of the inner plate box are fixedly connected with semicircular handles, the box wall of the inner plate box in the middle of the handles is provided with jacks, pull rods are movably inserted in the jacks, two ends of each pull rod are fixedly connected with pull rings, reset springs are fixedly connected on the pull rods between the pull rings and the box wall of the inner plate box, two sides of each pull rod in the inner plate box are symmetrically and fixedly connected with 4 trapezoidal top plates, and the box wall of the inner plate box outside the trapezoidal top plates is fixedly connected with 2 guide sliding sleeves, cross pins are inserted between the guide sliding sleeves on the same side, compression springs are sleeved on the cross pins between the middle support rod of the cross pins and the guide sliding sleeves on the outer sides of the cross pins, 4 pin holes are symmetrically formed in the box walls on the two sides of the inner plate box, one ends of the outer sides of the cross pins are inserted into the pin holes, and one ends of the inner sides of the cross pins are abutted to the trapezoidal top plate.

Images