CN211928927U

CN211928927U - Foldable display board

Info

Publication number: CN211928927U
Application number: CN202021034761.6U
Authority: CN
Inventors: 郜倩; 张颢倚; 张茜; 乔聪; 雷华
Original assignee: Zhengzhou Railway Vocational and Technical College
Current assignee: Zhengzhou Railway Vocational and Technical College
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2020-11-13
Anticipated expiration: 2030-06-08

Abstract

The utility model relates to a show board technical field, more specifically the collapsible show board that says so, the bottom is very stable, is difficult to blow and turns over, and can convert into two-sided show board. When two-sided show board need carry out, pull out two and press from both sides tight hollow seat, make two press from both sides tight hollow seat leave the horizontal truss surface, then drive two sliding shafts with two tight hollow seats of two clamp and be close to, two assemble the panel and rise, make up into the two-sided show board of positive and negative, the back is good in the conversion, loosen two and press from both sides tight hollow seat, two press from both sides tight hollow seat and two are assembled the panel and press from both sides tightly on the horizontal truss, it fixes two panels of assembling, avoid taking place to slide, pull out two location bolts, four rotate the landing leg and rotate downwards, it supports subaerial to form four landing legs, when two location bolts are inserted respectively in two vertical blind holes, four rotate landing leg and two horizontal truss.

Description

Foldable display board

Technical Field

The utility model relates to a show board technical field, more specifically the collapsible show board that says so.

Background

The utility model discloses a utility model with publication number CN210324913U discloses a foldable display board, including show mainboard, angle lock nut, leg frame, folding fixed establishment and subplate mechanism, the show mainboard include mainboard, fixed axle, curb plate, slip slot hole, stop pin and handle, the leg frame include backup pad, chute board, recess and bottom plate, folding fixed establishment include slide, stopper, locking recess and control lever, subplate mechanism include subplate, spacing curb plate, slide, fixed pipe and positioning bolt, subplate mechanism still include carriage and drawing holder, the utility model discloses can fold, portable deposits; the disadvantages are that the bottom is not stable enough, is easily blown over by wind, and cannot be converted into a double-sided display board.

Disclosure of Invention

The utility model provides a collapsible show board, its beneficial effect is collapsible show board bottom very stable, is difficult to blow and turns over by wind, and can convert into two-sided show board.

A foldable display board comprises a single-sided and double-sided conversion display board mechanism, a horizontal basic slideway mechanism and table leg conversion and matching mechanisms, wherein the number of the table leg conversion and matching mechanisms is two, the two table leg conversion and matching mechanisms are respectively hinged at the left end and the right end of the horizontal basic slideway mechanism, the single-sided and double-sided conversion display board mechanism is slidably connected with the horizontal basic slideway mechanism and the table leg conversion and matching mechanisms, the table leg conversion and matching mechanisms comprise rotary supporting legs, splicing slideways, hinged hinges, connecting rods, table leg protection pads, fixed connecting rods and positioning bolts, the two rotary supporting legs are respectively and fixedly connected at the front end and the rear end of the connecting rods, the two rotary supporting legs are respectively provided with the splicing slideways, the two hinged hinges are respectively and fixedly connected with the two rotary supporting legs, the two table leg protection pads are respectively and fixedly connected with the two rotary, the other end of the fixed connecting rod is connected with a positioning bolt in a sliding way.

As this technical scheme's further optimization, collapsible show board single double-sided conversion show board mechanism include intermediate junction board, assemble panel, sliding shaft, spacing dual-purpose piece and press from both sides tight hollow seat, two are assembled the panel and rotate respectively and connect both ends about intermediate junction board, two sliding shafts are fixed connection respectively and are assembled the panel bottom for two, two spacing dual-purpose piece fixed connection respectively are in two sliding shaft rear ends, two press from both sides tight hollow seat respectively sliding connection at two sliding shaft front ends, two sliding shafts and two press from both sides tight hollow seat and be provided with the spring between all.

As this technical scheme's further optimization, horizontal basic slide mechanism include horizontal truss, place crossbeam, horizontal slide, horizontal blind hole and vertical blind hole, two horizontal trusses are fixed connection respectively and are both ends around placing the crossbeam, both ends all are provided with horizontal slide about two horizontal trusses, both ends are provided with horizontal blind hole and vertical blind hole respectively about the horizontal truss that is located the front end, four articulated hinges are fixed connection respectively at both ends about two horizontal trusses, two equal sliding connection of sliding shaft is in four horizontal slides and four concatenation slides.

As a further optimization of this technical scheme, the utility model relates to a collapsible show board four rotation leg and two horizontal truss be the aluminum alloy material.

The utility model relates to a collapsible show board's beneficial effect does:

the foldable display board can be used for fixing the four rotating supporting legs and the two horizontal trusses by respectively sliding the two positioning bolts into the two vertical blind holes through downwards rotating the four rotating supporting legs and rotating the two fixing connecting rods on the two rotating supporting legs at the front end, so that included angles between the four rotating supporting legs and the two horizontal trusses are ninety degrees, a table is formed, and the foldable display board is more stable to place on the ground and cannot be turned over by wind; can also drive two respectively through two sliding shafts and assemble the panel and slide, when two sliding shafts were close to, two were assembled the panel and are risen, make up into the two-sided show board of positive and negative, and when two sliding shafts were kept away from, two were assembled the panel and descend the flattening and lay together, formed a whole big show board.

Drawings

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

Fig. 1 is a schematic structural view of a foldable display board of the present invention.

Fig. 2 is a schematic view of another foldable display board.

Fig. 3 is a schematic structural diagram of a single-sided and double-sided conversion display board mechanism.

Fig. 4 is a schematic view of the structure of the clamping hollow seat.

Fig. 5 is a schematic structural view of a horizontal base skid mechanism.

Figure 6 is a schematic view of the table leg switching mechanism.

In the figure: a single-sided and double-sided conversion display board mechanism 1; an intermediate connecting plate 1-1; assembling a panel 1-2; a sliding shaft 1-3; 1-4 of a limiting dual-purpose block; clamping the hollow base 1-5; a horizontal basic slideway mechanism 2; 2-1 of a horizontal truss; placing the cross beam 2-2; 2-3 of a horizontal slideway; 2-4 parts of horizontal blind holes; 2-5 parts of vertical blind holes; a table leg conversion matching mechanism 3; rotating the support legs 3-1; splicing the slideways 3-2; 3-3 of hinge joint; 3-4 of a connecting rod; table leg protection pads 3-5; 3-6 of a fixed connecting rod; and positioning pins 3-7.

Detailed Description

The first embodiment is as follows:

the following description of the embodiment is made with reference to fig. 1, 2, 3, 4, 5, and 6, and the present invention relates to the technical field of display boards, and more specifically to a foldable display board, which comprises a single-sided and double-sided conversion display board mechanism 1, a horizontal basic slideway mechanism 2, and two desk leg conversion matching mechanisms 3, wherein the two desk leg conversion matching mechanisms 3 are respectively hinged at the left and right ends of the horizontal basic slideway mechanism 2, the single-sided and double-sided conversion display board mechanism 1 is slidably connected to the horizontal basic slideway mechanism 2 and the desk leg conversion matching mechanisms 3, the desk leg conversion matching mechanisms 3 comprise rotary legs 3-1, a splicing slideway 3-2, a hinge 3-3, a connecting rod 3-4, a desk leg protection pad 3-5, a fixed connecting rod 3-6, and a positioning pin 3-7, the two rotary legs 3-1 are respectively fixedly connected at the front and back ends of the connecting rod 3-4, the two rotating support legs 3-1 are respectively provided with a splicing slideway 3-2, two hinged hinges 3-3 are respectively and fixedly connected to the two rotating support legs 3-1, two table leg protection pads 3-5 are respectively and fixedly connected to the two rotating support legs 3-1, one end of a fixed connecting rod 3-6 is rotatably connected to the rotating support leg 3-1 at the front end, and the other end of the fixed connecting rod 3-6 is slidably connected with a positioning bolt 3-7; the four rotating supporting legs 3-1 rotate downwards to form four supporting legs to be supported on the ground, the stability is strong, the four supporting legs are not prone to overturning, and the four table leg protection pads 3-5 can prevent the bottoms of the four rotating supporting legs 3-1 from being worn after being used on the ground for a long time.

The second embodiment is as follows:

the present embodiment will be described with reference to fig. 1, 2, 3, 4, 5 and 6, and the present embodiment will further describe the first embodiment, the single-side and double-side conversion display board mechanism 1 comprises an intermediate connecting plate 1-1, two assembled panels 1-2, sliding shafts 1-3, limiting dual-purpose blocks 1-4 and clamping hollow seats 1-5, wherein the two assembled panels 1-2 are respectively and rotatably connected to the left end and the right end of the intermediate connecting plate 1-1, the two sliding shafts 1-3 are respectively and fixedly connected to the bottom ends of the two assembled panels 1-2, the two limiting dual-purpose blocks 1-4 are respectively and fixedly connected to the rear ends of the two sliding shafts 1-3, the two clamping hollow seats 1-5 are respectively and slidably connected to the front ends of the two sliding shafts 1-3, and springs are arranged between the two sliding shafts 1-3 and the two clamping hollow seats 1-5; the two clamping hollow seats 1-5 are pulled out to enable the two clamping hollow seats 1-5 to leave the surface of the horizontal truss 2-1, then the two clamping hollow seats 1-5 are used for driving the two sliding shafts 1-3 to be close to and far away from the horizontal truss, so that the conversion of the double-sided display board and the single-sided display board is realized, the Russian teaching pictorial newspaper is pasted, after the conversion is completed, the two clamping hollow seats 1-5 are loosened, the two clamping hollow seats 1-5 and the two assembling panels 1-2 are clamped on the horizontal truss 2-1, the two assembling panels 1-2 are fixed, and the sliding is avoided.

The third concrete implementation mode:

the present embodiment will be described with reference to fig. 1, 2, 3, 4, 5 and 6, and the second embodiment will be further described, the horizontal basic slideway mechanism 2 comprises horizontal trusses 2-1, a placing crossbeam 2-2, horizontal slideways 2-3, horizontal blind holes 2-4 and vertical blind holes 2-5, wherein the two horizontal trusses 2-1 are respectively and fixedly connected to the front end and the rear end of the placing crossbeam 2-2, the left end and the right end of the two horizontal trusses 2-1 are respectively provided with the horizontal slideways 2-3, the left end and the right end of the horizontal truss 2-1 positioned at the front end are respectively provided with the horizontal blind holes 2-4 and the vertical blind holes 2-5, four hinged hinges 3-3 are respectively and fixedly connected to the left end and the right end of the two horizontal trusses 2-1, and two sliding shafts 1-3 are respectively and slidably connected into the four horizontal slideways 2-3 and the four spliced; when the two positioning bolts 3-7 are respectively inserted into the two horizontal blind holes 2-4, the four horizontal slideways 2-3 and the four splicing slideways 3-2 are kept in a horizontal state, and when the two positioning bolts 3-7 are respectively inserted into the two vertical blind holes 2-5, the four horizontal slideways 2-3 and the four splicing slideways 3-2 are in a vertical state.

The fourth concrete implementation mode:

the third embodiment is further described below with reference to fig. 1, 2, 3, 4, 5, and 6, wherein the four rotating legs 3-1 and the two horizontal trusses 2-1 are made of aluminum alloy; the material is light, the intensity is high, portable.

The utility model relates to a theory of operation of collapsible show board: when two positioning bolts 3-7 are respectively inserted into two horizontal blind holes 2-4, four horizontal slideways 2-3 and four splicing slideways 3-2 are kept in a horizontal state, at the moment, two sliding shafts 1-3 respectively drive splicing panels 1-2 to be tiled into a large display board, when a double-sided display board is required, two clamping hollow seats 1-5 are pulled out, two clamping hollow seats 1-5 are separated from the surface of a horizontal truss 2-1, then two clamping hollow seats 1-5 are used for driving two sliding shafts 1-3 to approach, two splicing panels 1-2 are lifted to be combined into the double-sided display board with the front and the back, after the conversion is finished, the two clamping hollow seats 1-5 are loosened, the two clamping hollow seats 1-5 and the two splicing panels 1-2 are clamped on the horizontal truss 2-1, the two assembled panels 1-2 are fixed to avoid sliding, the two positioning bolts 3-7 are pulled out, the four rotating support legs 3-1 rotate downwards to form four support legs to be supported on the ground, and when the two positioning bolts 3-7 are inserted into the two vertical blind holes 2-5 respectively, the four rotating support legs 3-1 and the two horizontal trusses 2-1 are in a vertical state to be supported on the ground.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.

Claims

1. The utility model provides a collapsible show board, includes single two-sided conversion panel mechanism (1), horizontal basis slide mechanism (2) and table leg conversion cooperation mechanism (3), table leg conversion cooperation mechanism (3) be provided with two, two table leg conversion cooperation mechanisms (3) articulate both ends about horizontal basis slide mechanism (2) respectively, single two-sided conversion panel mechanism (1) sliding connection is on horizontal basis slide mechanism (2) and table leg conversion cooperation mechanism (3), its characterized in that: the table leg conversion matching mechanism (3) comprises rotary supporting legs (3-1), splicing slideways (3-2), hinged hinges (3-3), connecting rods (3-4), table leg protection pads (3-5), fixed connecting rods (3-6) and positioning bolts (3-7), wherein the two rotary supporting legs (3-1) are respectively and fixedly connected with the front end and the rear end of the connecting rods (3-4), the two rotary supporting legs (3-1) are respectively provided with the splicing slideways (3-2), the two hinged hinges (3-3) are respectively and fixedly connected with the two rotary supporting legs (3-1), the two table leg protection pads (3-5) are respectively and fixedly connected with the two rotary supporting legs (3-1), one end of the fixed connecting rods (3-6) is rotatably connected with the rotary supporting leg (3-1) positioned at the front end, the other end of the fixed connecting rod (3-6) is connected with a positioning bolt (3-7) in a sliding way.

2. A foldable display board according to claim 1, wherein: the single-sided and double-sided conversion display board mechanism (1) comprises a middle connecting board (1-1), an assembly panel (1-2), a sliding shaft (1-3), a limiting dual-purpose block (1-4) and a clamping hollow seat (1-5), the two assembling panels (1-2) are respectively and rotatably connected to the left end and the right end of the middle connecting plate (1-1), the two sliding shafts (1-3) are respectively and fixedly connected to the bottom ends of the two assembling panels (1-2), the two limiting dual-purpose blocks (1-4) are respectively and fixedly connected to the rear ends of the two sliding shafts (1-3), the two clamping hollow seats (1-5) are respectively and slidably connected to the front ends of the two sliding shafts (1-3), and springs are arranged between the two sliding shafts (1-3) and the two clamping hollow seats (1-5).

3. A foldable display board according to claim 2, wherein: the horizontal basic slideway mechanism (2) comprises a horizontal truss (2-1), a placing crossbeam (2-2), a horizontal slideway (2-3), a horizontal blind hole (2-4) and a vertical blind hole (2-5), the two horizontal trusses (2-1) are respectively and fixedly connected to the front end and the rear end of the placing cross beam (2-2), horizontal sliding ways (2-3) are arranged at the left end and the right end of the two horizontal trusses (2-1), horizontal blind holes (2-4) and vertical blind holes (2-5) are respectively arranged at the left end and the right end of the horizontal truss (2-1) located at the front end, four hinged hinges (3-3) are respectively and fixedly connected to the left end and the right end of the two horizontal trusses (2-1), and two sliding shafts (1-3) are respectively and slidably connected to the four horizontal sliding ways (2-3) and the four splicing sliding ways (3-2).

4. A foldable display board according to claim 3, wherein: the four rotating supporting legs (3-1) and the two horizontal trusses (2-1) are all made of aluminum alloy materials.