CN212135836U

CN212135836U - Foldable LED display screen

Info

Publication number: CN212135836U
Application number: CN202020522961.XU
Authority: CN
Inventors: 杨乐; 孟红琴
Original assignee: Communication University Of Shanxi
Current assignee: Communication University Of Shanxi
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-12-11
Anticipated expiration: 2030-04-10

Abstract

The utility model relates to the technical field of LED screens, and discloses a foldable LED display screen, which comprises a first screen, a first support rod and a support seat, wherein the back surface of the first screen is fixed at the upper end of the first support rod, the lower end of the first support rod is fixedly connected with the support seat, the left side of the first screen is provided with a second screen, the middle position of the right side of the second screen is fixedly connected with a first connecting rod, the other end of the first connecting rod is provided with a third rotating shaft in a penetrating way, the third rotating shaft is rotatably connected with a second connecting rod, the other end of the second connecting rod is provided with a fourth rotating shaft in a penetrating way, one end part of an adjusting screw rod is screwed into a connecting nut for angle fixing, the third screen is operated in the same way, the three-way reminding function is realized, the reminding content can be seen in the three directions except, the financial resources are saved, and less road space is occupied.

Description

Foldable LED display screen

Technical Field

The utility model relates to a LED screen technical field specifically is a collapsible LED display screen.

Background

At present, when a road is temporarily closed under various conditions, warning and protecting equipment such as a reflective cone and a guardrail is generally used for ensuring the safety of a closed road section; however, the reflective area is small, the guardrail and the reflective cone are stained due to the surface of the reflective material, the reflective effect is poor, and drivers mistakenly enter the temporary closed area due to poor sight in bad weather such as rain, fog and the like, so that the field workers are greatly injured. The LED display screens of the common roads are all single-sided and are placed at one end of a construction road section, so that the LED display screens cannot be used in complex road sections such as crossroads, and the financial pressure can be increased by placing a plurality of LED display screens. In order to solve the above problems, we propose a foldable LED display screen.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a collapsible LED display screen possesses advantages such as warning area is big, application scope is wide, has solved the problem that the background art provided.

(II) technical scheme

For the purpose that realizes that above-mentioned warning area is big, application scope is wide, the utility model provides a following technical scheme: a foldable LED display screen comprises a first screen, a first support rod and a support seat, wherein the back surface of the first screen is fixed at the upper end of the first support rod, the lower end of the first support rod is fixedly connected with the support seat, the left side of the first screen is provided with a second screen, the middle position of the right side of the second screen is fixedly connected with a first connecting rod, the other end of the first connecting rod is provided with a third rotating shaft, the third rotating shaft is rotatably connected with a second connecting rod, the other end of the second connecting rod is provided with a fourth rotating shaft, the fourth rotating shaft is rotatably connected with a third connecting rod, one side of the first connecting rod, which is close to the back surface of the first screen, is provided with a first clamping groove, the second connecting rod, which is close to the back surface of the first screen, is provided with a second clamping groove, the third, a square hole matched with the sliding groove II is formed in one side, close to the clamping groove II, of the left end of the sliding groove, a Z-shaped clamping block matched with the clamping groove II is arranged in the square hole in a penetrating mode, a rotating shaft fifth is rotatably connected to the middle position of the Z-shaped clamping block, two ends of the rotating shaft fifth are fixedly connected to the upper inner wall and the lower inner wall of the screen I, one side, far away from the clamping groove II, of the Z-shaped clamping block is fixedly connected with a compression spring, a square hole matched with the Z-shaped clamping block is formed in the back face of the screen I in a corresponding position, the other end of the Z-shaped clamping block penetrates through the square hole and is located outside the back face of the screen I, a strip-shaped groove is formed in the bottom of the back face of the screen II, a rotating shaft II is fixedly connected to the upper inner wall and the lower inner wall of the left end of, the screen is characterized in that a rotating seat is fixedly connected to the middle position of the back face of the screen, semicircular grooves are formed in two sides of the rotating seat, a first rotating shaft is fixedly connected to the circle center position of each semicircular groove, a connecting nut matched with the adjusting screw rod is rotatably connected to the first rotating shaft, a third screen identical to the second screen in structure is arranged on the right side of the first screen, and the sizes of the second screen and the third screen are half of the size of the first screen.

Preferably, a second supporting rod is sleeved in the first supporting rod, and a locking bolt for fixing the second supporting rod is connected to the side wall of the first supporting rod.

Preferably, bar groove right-hand member fixedly connected with magnet piece, the magnet piece is inlayed in the bar inslot.

Preferably, the second support rod is a step shaft, the top end of the second support rod is of a threaded structure, a through hole matched with the second thin part of the second support rod is formed in the middle of the rotary seat, and a fixing nut matched with the threads of the second support rod is screwed on the second support rod.

Preferably, the left end of the bottom surface of the second screen is fixedly connected with a buckle, and the right end of the bottom surface of the third screen is fixedly connected with a clamping bolt matched with the buckle.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of collapsible LED display screen through will adjusting pole one and pack up and place in the bar inslot, presses Z word fixture block, pushes away screen two bottom, loosens word fixture block and makes its card advance draw-in groove one, makes two chunks of screen, and screen three carries out the same operation, and three screens make up together, realize the folk prescription to remind the effect by a large scale, and the LED screen compares luminance such as traditional reflection of light awl section of thick bamboo and improves greatly, reminds area greatly increased, and bad weather is also more striking.

2. This kind of collapsible LED display screen, through pressing the Z word fixture block, twitch two messenger's Z word fixture block cards of screen and advance card groove two, loosen Z word fixture block and make two chucking of screen, rotate two to the needs angle of screen through three pivots, take out adjusting screw one, adjusting screw two and adjusting nut have adjusted length, it carries out the angle fixing to screw in connecting nut with an adjusting screw tip, screen three carries out same operation, realize three-way warning effect, in the crossroad construction of being convenient for, except that the outer three direction homoenergetic of construction direction can see the warning content, the crossroad is suitable for equally, easily make a screen reach the effect of three screens, financial resources have been practiced thrift, less road space has been occupied.

Drawings

Fig. 1 is a schematic structural view of a foldable LED display screen of the present invention;

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is a schematic view of the structure at A in FIG. 1;

FIG. 4 is a schematic view of the structure of FIG. 2 at B;

in the figure: 1 screen I, 2 screen II, 3 screen III, 4 support rod I, 5 support seats, 6 rotating seats, 7 support rod II, 8 fixing nuts, 9 connecting nuts, 10 locking bolts, 11 semicircular grooves, 12 rotating shaft I, 13 strip-shaped grooves, 14 rotating shaft II, 15 adjusting screw I, 16 adjusting screw II, 17 adjusting nuts, 18 clamping grooves I, 19 clamping grooves II, 20 clamping grooves III, 21 sliding grooves, 22 rotating shaft III, 23 rotating shaft IV, 24Z-shaped clamping blocks, 25 rotating shaft V, 26 compression springs, 27 connecting rod I, 28 connecting rod II and 29 connecting rod III.

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.

Examples

Referring to fig. 1-4, a foldable LED display screen includes a screen 1, a support rod 4 and a support base 5, wherein a support rod two 7 is sleeved in the support rod 4, a locking bolt 10 for fixing the support rod two 7 is connected to the side wall of the support rod 4, the design is convenient for adjusting the height of the screen, an additional heightening device is not needed, the efficiency is improved, the support rod two 7 is a step shaft, the top end of the support rod two 7 is a threaded structure, a through hole matched with the thin part of the support rod two 7 is arranged in the middle of a rotary base 6, a fixing nut 8 matched with the thread is screwed on the support rod two 7, the design can adjust and fix the angle of the screen body without rotating the support base 5, the time and the labor are saved, the back of the screen 1 is fixed at the upper end of the support rod one 4, the lower end of the support rod one 4 is fixedly connected with the support base 5, a second screen 2 is arranged on the left side of the first screen 1, a first connecting rod 27 is fixedly connected to the middle position on the right side of the second screen 2, a third rotating shaft 22 penetrates through the other end of the first connecting rod 27, a second connecting rod 28 is rotatably connected to the third rotating shaft 22, a fourth rotating shaft 23 penetrates through the other end of the second connecting rod 28, a third connecting rod 29 is rotatably connected to the fourth rotating shaft 23, a first clamping groove 18 is formed in one side, close to the back side of the first screen 1, of the first connecting rod 27, a second clamping groove 19 is formed in one side, close to the back side of the first screen 1, of the second connecting rod 28, a third clamping groove 20 is formed in one side, close to the back side of the first screen 1, sliding grooves 21 matched with the first connecting rod 27, the second connecting rod 28 and the third connecting rod 29 are formed in the positions, corresponding, a rotating shaft five 25 is rotatably connected at the middle position of the Z-shaped fixture block 24, two ends of the rotating shaft five 25 are fixedly connected on the upper inner wall and the lower inner wall of the screen I1, one side of the Z-shaped fixture block 24, which is far away from the clamping groove II 19, is fixedly connected with a compression spring 26, a square hole matched with the Z-shaped fixture block 24 is arranged on the back surface of the screen I1, the other end of the Z-shaped fixture block 24 passes through the square hole and is positioned outside the back surface of the screen I1, a strip-shaped groove 13 is arranged at the bottom of the back surface of the screen II 2, a rotating shaft II 14 is fixedly connected on the upper inner wall and the lower inner wall at the left end of the strip-shaped groove 13, an adjusting screw I15 is rotatably connected on the rotating shaft II 14, the other end of the adjusting screw I15 is connected with an adjusting nut 17 matched with the adjusting screw II, the other end of the adjusting, more stable, it is pleasing to the eye, screen 1 back intermediate position fixedly connected with roating seat 6, half slot 11 has been seted up to 6 both sides of roating seat, 11 centre of a circle fixedly connected with pivots 12 of half slot, it is connected with and adjusts two 16 assorted coupling nut 9 to rotate on pivot 12, screen 1 right side is provided with the screen three 3 completely the same with two 2 structure of screen, the size of screen two 2 and screen three 2 is half of screen one 1, 2 bottom surface left end fixedly connected with buckles of screen two, 3 bottom surface right-hand member fixedly connected with of screen three and buckle assorted gim peg, this kind of design can be fixed when folding together accomodating the removal to screen two 2 and screen three 3, prevent jolting and causing bumping against between the screen on the road surface, protect the screen.

The working principle is as follows: when the straight-line road is used, the first adjusting rod 15 is collected and placed in the strip-shaped groove 11, the Z-shaped clamping block 24 is pressed, the second screen 2 is pushed to the bottom, the Z-shaped clamping block 24 is loosened to be clamped into the first clamping groove 18, the third screen 3 performs the same operation to realize the one-way large-area reminding function, when the crossroad is used, the Z-shaped clamping block 24 is pressed, the second screen 2 is pulled to enable the Z-shaped clamping block 24 to be clamped into the second clamping groove 19, the Z-shaped clamping block 24 is loosened, the second screen 2 is rotated to a required angle through the third rotating shaft 22, the first adjusting screw 15, the second adjusting screw 16 and the adjusting nut 17 are taken out to adjust the length, the end part of the first adjusting screw 15 is screwed into the connecting nut 9 to fix the angle, the third screen 3 performs the same operation to realize the three-way reminding function, when the straight-line road is stored and transferred, the Z-shaped clamping block 24 is pressed, the screen is pulled to enable the Z-shaped clamping block 24 to be, the first connecting rod 27 is rotated to the horizontal position through the third rotating shaft 22, the second screen 2 is attached to the first screen 1 face to face, the third screen 3 is operated in the same way, the screens are protected in the transportation process, and meanwhile the occupied space is reduced.

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 collapsible LED display screen, includes screen (1), bracing piece (4) and supporting seat (5), its characterized in that: the back of the first screen (1) is fixed at the upper end of the first support rod (4), the lower end of the first support rod (4) is fixedly connected with the support seat (5), the left side of the first screen (1) is provided with a second screen (2), the middle position of the right side of the second screen (2) is fixedly connected with a first connecting rod (27), the other end of the first connecting rod (27) penetrates through a third rotating shaft (22), the third rotating shaft (22) is rotatably connected with a second connecting rod (28), the other end of the second connecting rod (28) penetrates through a fourth rotating shaft (23), the fourth rotating shaft (23) is rotatably connected with a third connecting rod (29), the first connecting rod (27) is provided with a first clamping groove (18) close to one side of the back of the first screen (1), the second connecting rod (28) is provided with a second clamping groove (19) close to one side of the back of the first screen (1), the third, the screen comprises a screen I (1), a screen II (2), a connecting rod I (27), a connecting rod II (28) and a connecting rod III (29), wherein a sliding groove (21) matched with the connecting rod I (27), the connecting rod II (28) and the connecting rod III (29) is formed in the position, corresponding to the screen II (2), of the left end of the screen I (1), a square hole matched with the sliding groove II (19) is formed in one side, close to the clamping groove II (19), of the left end of the sliding groove (21), a Z-shaped clamping block (24) matched with the clamping groove II is arranged in the square hole in a penetrating mode, a rotating shaft fifth (25) is rotatably connected to the middle position of the Z-shaped clamping block (24), two ends of the rotating shaft fifth (25) are fixedly connected to the upper inner wall and the lower wall of the screen I (1), a compression spring (26) is fixedly connected to one side, far away from the clamping groove II (19), a square hole matched with, a strip-shaped groove (13) is formed in the bottom of the back of the second screen (2), a second rotating shaft (14) is fixedly connected to the upper inner wall and the lower inner wall of the left end of the strip-shaped groove (13), a first adjusting screw (15) is rotatably connected to the second rotating shaft (14), the other end of the first adjusting screw (15) is connected with an adjusting nut (17) matched with the first adjusting screw, a second adjusting screw (16) matched with the second adjusting screw is connected to the other end of the adjusting nut (17), a rotating base (6) is fixedly connected to the middle position of the back of the first screen (1), semicircular grooves (11) are formed in two sides of the rotating base (6), a first rotating shaft (12) is fixedly connected to the circle center position of each semicircular groove (11), a connecting nut (9) matched with the second adjusting screw (16) is rotatably connected to the first rotating shaft (12), and a third screen (3) with the second, the size of the second screen (2) and the size of the third screen (3) are both half of that of the first screen (1).

2. The foldable LED display screen according to claim 1, wherein a second support rod (7) is sleeved in the first support rod (4), and a locking bolt (10) for fixing the second support rod (7) is connected to the side wall of the first support rod (4).

3. The foldable LED display screen according to claim 1, wherein a magnet block is fixedly connected to the right end of the bar-shaped groove (13), and the magnet block is embedded in the bar-shaped groove (13).

4. The foldable LED display screen according to claim 2, wherein the second support rod (7) is a stepped shaft, the top end of the second support rod (7) is of a threaded structure, a through hole matched with the thin part of the second support rod (7) is formed in the middle of the rotating base (6), and a fixing nut (8) matched with the threaded part is screwed on the second support rod (7).

5. The foldable LED display screen of claim 1, wherein a buckle is fixedly connected to the left end of the bottom surface of the second screen (2), and a clamping bolt matched with the buckle is fixedly connected to the right end of the bottom surface of the third screen (3).