CN203654668U

CN203654668U - Simple connecting device for curtain LED screen

Info

Publication number: CN203654668U
Application number: CN201320802767.7U
Authority: CN
Inventors: 钟新辉; 刘秋河; 胡日浩; 郭阳
Original assignee: Shenzhen Infiled Electronics Co Ltd
Current assignee: Shenzhen Infiled Electronics Co Ltd
Priority date: 2013-12-06
Filing date: 2013-12-06
Publication date: 2014-06-18
Anticipated expiration: 2023-12-06

Abstract

The utility model discloses a simple connecting device for a curtain LED screen. The device is used for assembling box bodies of the curtain LED screen into a screen body and comprises multiple connecting supports, left hinges and right hinges, wherein the multiple connecting supports are fixed on the back sides of the box bodies and are arranged into at least two rows, the head ends and tail ends of the connecting supports adjacent in the vertical direction are hinged together horizontally through support pin shafts, the left hinges and the right hinges are pairwise arranged and are buckled to every two connecting supports adjacent in the horizontal direction respectively, and the left hinges and the right hinges are vertically hinged together through hinge pin shafts. According to the device, due to the fact that the connecting supports capable of being connected into support chains are fixedly installed on the back sides of the box bodies of the curtain LED screen and every two support chains adjacent in the horizontal direction are fixed with the left hinges and the right hinges, the structure of an assembled screen body can be made firmer, and the assembled screen body can rotate around the pin shafts by certain angles in the horizontal direction and the vertical direction. By the adoption of the design, the expressive force of the screen body can be improved so that the screen body can meet requirements of various stages.

Description

The simple connecting device of LED curtain wall screen

Technical field

The utility model relates to the syndeton between LED curtain wall screen casing, relates in particular to a kind of simple connecting device of LED curtain wall screen.

Background technology

LED curtain wall screen (Curtain LED Screen) is made up of LED dot matrix, light on and off by redness, green and blue lamp pearl come display text, picture, animation, video, content can be changed at any time, each several part assembly is all the display device of modular construction, be called casing, dismounting and maintenance are convenient in this modular design.In multiple casings being assembled into screen body, the connected mode between casing will directly affect display effect and the stability thereof of whole display screen.

As Chinese Patent Application No.: disclose a kind of multimedia display screen that facilitates assembling combination in 201120429860.9, it is mainly the fixing assembling that realizes multiple display screens at the back side of display screen fixed mount, this assembling mode has solved the stable problem of assembled rear whole display screen, but its installation, unloading process is extremely inconvenient, and the screen body after assembled is planar, relative position relation between each casing can not change, the very big like this expressive force that must limit the display screen after assembling, need to carry out more three-dimensional at some, the occasion of abundant display effect, this assembling combination device just cannot meet the demands.

Utility model content

For the deficiencies in the prior art, the purpose of this utility model is to provide the simple connecting device of a kind of easy disassembly, constitutionally stable LED curtain wall screen, uses the screen body of this linkage assembling to have better stage expressive force.

For achieving the above object, the utility model adopts following technical scheme:

A kind of simple connecting device of LED curtain wall screen, for the casing of LED curtain wall screen is assembled into screen body, comprise multiple connection brackets, left hinge and right hinge, described multiple connection bracket is fixed on box back surface and is arranged at least two row, the head and the tail two ends of the connection bracket that vertical direction is adjacent are horizontally hinged by rack pin shaft, described left hinge, right hinge arrange in pairs, and it is fastened on respectively in the connection bracket that two horizontal directions are adjacent, and left hinge, right hinge are vertically hinged by hinge bearing pin.

Described connection bracket has rack body, and the both ends of rack body are provided with respectively concavity articulated section and the convex articulated section of mutual grafting, and this concavity articulated section and convex articulated section are provided with the pivot hole of passing for described rack pin shaft.

The end of described rack pin shaft is provided with pressing bounce-back steel ball device.

The upper and lower surface of described rack body is equipped with a meter font reinforcing rib.

Described left hinge, right hinge all have sheet base portion, base portion two ends extend to form two side to the direction bending of vertical base portion place plane, this two side and base portion form one for fastening the buckling parts of described rack body, the adjoining sidewall of left hinge, right hinge two respectively in opposite directions convex with joint portion, this joint portion is provided with the perforation of passing for described hinge bearing pin.

The base portion of described left hinge, right hinge is screwed on described rack body.

The end of described hinge bearing pin is provided with pressing bounce-back steel ball device.

As mentioned above, the utility model is fixedly equipped with the connection bracket that can connect into support chain at the box back surface of LED curtain wall screen, and fixed with left hinge, right hinge between adjacent two stands chain, can make the screen body structure that is assembled into more firm, and the screen body after assembling can be done around bearing pin the rotation of certain angle in the horizontal direction with vertical direction, this design had both increased the convenience of this screen body of dismounting, can increase again the expressive force of this screen body, made it meet various stage demands.

Accompanying drawing explanation

Fig. 1 is the rear elevation of the preferred embodiment of the simple connecting device of a kind of LED curtain wall screen of the utility model;

Fig. 2 is the exploded view shown in Fig. 1 (wherein in order to make picture more succinct, having omitted two casings);

Fig. 3 is the simple connecting device schematic diagram of deflection certain angle in the horizontal direction of a kind of LED curtain wall screen shown in Fig. 1;

Fig. 4 is that the simple connecting device of a kind of LED curtain wall screen shown in Fig. 1 is at the schematic diagram of vertical direction deflection certain angle.

Wherein: 10, casing; 20, connection bracket; 21, rack body; 22, concavity articulated section; 23, convex articulated section; 24, reinforcing rib; 29, rack pin shaft; 31, left hinge; 311, base portion; 312, sidewall; 313, buckling parts; 314, convex shape joint portion; 315, concave shape joint portion; 32, right hinge; 39, hinge bearing pin; 40, screw; 51, steel ball.

The specific embodiment

Below, by reference to the accompanying drawings and the specific embodiment, the utility model is described further:

Refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the utility model discloses a kind of simple connecting device of LED curtain wall screen, for the casing of LED curtain wall screen 10 is carried out to assembled connection, and then composition meets the screen body of pre-provisioning request, this linkage comprises multiple connection brackets 20, left hinge 31 and right hinge 32, described multiple connection bracket 20 is fixed on casing 10 back sides, these connection brackets 20 join end to end, and at least line up two row, particularly, the columns that connection bracket 20 is lined up depends on the columns of the casing 10 of needs assembling, if the columns of casing 10 is two row, connection bracket 20 need to configure two row, if the columns of casing 10 is three row, connection bracket 20 need to configure four row, and when the columns of casing 10 is N, the columns of connection bracket 20 is 2*(N-1), the head and the tail two ends of connection bracket 20 are by the horizontally hinged one-tenth support of rack pin shaft 29 chain, described left hinge 31, right hinge 32 arrange in pairs, it is fastened on respectively in the connection bracket 20 that two horizontal directions are adjacent, the relative free end of left and

right hinge

31,32 is vertically hinged by hinge bearing pin 39, by this, described connection bracket 20, left hinge 31 and right hinge 32 can be fixed connection with two dimensions of vertical direction by multiple casings 10 in the horizontal direction, and then are assembled into the screen body that meets pre-provisioning request, and, the casing 10 of described LED curtain wall screen can around rack pin shaft 29 or hinge bearing pin 39 in the horizontal direction and vertical direction rotate certain angle, convenience when this design has not only increased dismounting screen body, and can make final screen body can present different display modes,, it not only can show with the form of plane, can also present the display mode of fold-line-shaped, arc, can set according to stage demand, thereby strengthen the stage expressive force of shielding body.

Refer to Fig. 1 and Fig. 2, particularly, described connection bracket 20 has rack body 21, the both ends of rack body 21 are provided with respectively concavity articulated section 22, the convex articulated section 23 of mutual grafting, and this concavity articulated section 22, convex articulated section 23 are provided with the pivot hole (not indicating in figure) of passing for described rack pin shaft 29; When assembling, this convex articulated section 23 is inserted in this concavity articulated section 22, and described rack pin shaft 29 is arranged in pivot hole, thereby multiple connection brackets 20 are connected into support chain; Further, the upper and lower surface of described rack body 21 is equipped with a meter font reinforcing rib 24, can strengthen the intensity of this connection bracket 20, thereby makes this linkage more firm.

Please continue and consult Fig. 1 to Fig. 4, particularly, described left hinge 31, right hinge 32 all have sheet base portion 311, base portion 311 two ends extend to form two side 312 to the direction bending of vertical base portion 311 place planes, this two side 312 forms one for fastening the buckling parts 313 of described rack body 21 with base portion 311, and this buckling parts 313 matches with described rack body 21 middle part shapes;

Left hinge

31,32 liang of adjoining sidewalls 312 of right hinge respectively in opposite directions convex with joint portion, particularly, one of them hinge is provided with convex shape joint portion 314, another hinge coordinating is with it provided with concave shape joint portion 315, this joint portion 314,315 is provided with the perforation (not indicating in figure) of passing for described hinge bearing pin 39, when assembling, convex shape joint portion 314 is inserted in concave shape joint portion 315, described hinge bearing pin 39 is arranged in described perforation, thereby left hinge 31, right hinge 32 are hinged together; Left hinge 31, right hinge 32 are fastened in two adjacent connection brackets 20, and in this two adjacent connection bracket 20, correspondence disposes multipair left hinge 31, right hinge 32, thereby these connection brackets 20, left hinge 31 and right hinge 32 can be built at the casing of described LED curtain wall screen 10 back sides a two-dimentional connection network, the stability of guaranteeing to shield body; Preferably, the length of described connection bracket 20 is identical with the height of casing 10, and connection bracket 20 is fixed on the adjoining side of two tanks 10, by this, the vertical direction after assembling is adjacent upper row's casing 10 and lower row's casing 10 can turn an angle in the horizontal direction around described rack pin shaft 29 just; And, the left bank casing 10 that horizontal direction is adjacent and right row's casing 10 can turn an angle at vertical direction around described hinge bearing pin 39, thereby make the screen body assembling can present multiple display effect,, not only can show with the form of a plane, can also show by the mode that regulates rotational angle to be put into fold-line-shaped or arc, the expressive force of screen body has greatly been enriched in this design, makes to use the screen body of this linkage can meet different stage demands.

Refer to Fig. 2, in order further to strengthen the steadiness of this linkage, the base portion 311 of described left hinge 31, right hinge 32 is all fixed on described rack body 21 with screw 40.

Refer to Fig. 2, the end of described rack pin shaft 29 and described hinge bearing pin 39 is equipped with pressing bounce-back steel ball device, this device comprises that one is contained in the steel ball 51 in end part of pin shaft, between steel ball 51 bottoms and bearing pin, be compressed with elastic component (not shown), the emerge cylinder of end part of pin shaft of the top of steel ball 51; When bearing pin is inserted in described pivot hole or perforation, steel ball 51 top gears are held in pivot hole or perforated edge, can prevent that bearing pin from dropping; In the time will dismantling this bearing pin, need to press this steel ball 51 and bearing pin could be pulled down from described connection bracket 20 or left hinge 31, right hinge 32; This design can realize the easy disassembly of this linkage.

As mentioned above, the utility model is fixedly equipped with the connection bracket 20 that can connect into support chain at casing 10 back sides of LED curtain wall screen, and fixed with left hinge 31, right hinge 32 between adjacent two stands chain, can make the screen body structure that is assembled into more firm, and the screen body after assembling can be done around bearing pin the rotation of certain angle in the horizontal direction with vertical direction, this design had both increased the convenience of this screen body of dismounting, can increase again the expressive force of this screen body, made it meet various stage demands.

To one skilled in the art, can be according to technical scheme described above and design, make other various corresponding changes and deformation, and within these all changes and deformation all should belong to the protection domain of the utility model claim.

Claims

1. the simple connecting device of a LED curtain wall screen, for the casing of LED curtain wall screen is assembled into screen body, it is characterized in that: comprise multiple connection brackets, left hinge and right hinge, described multiple connection bracket is fixed on box back surface and is arranged at least two row, the head and the tail two ends of the connection bracket that vertical direction is adjacent are horizontally hinged by rack pin shaft, described left hinge, right hinge arrange in pairs, it is fastened on respectively in the connection bracket that two horizontal directions are adjacent, and left hinge, right hinge are vertically hinged by hinge bearing pin.

2. the simple connecting device of a kind of LED curtain wall screen as claimed in claim 1, it is characterized in that: described connection bracket has rack body, the both ends of rack body are provided with respectively concavity articulated section and the convex articulated section of mutual grafting, and this concavity articulated section and convex articulated section are provided with the pivot hole of passing for described rack pin shaft.

3. the simple connecting device of a kind of LED curtain wall screen as claimed in claim 1 or 2, is characterized in that: the end of described rack pin shaft is provided with pressing bounce-back steel ball device.

4. the simple connecting device of a kind of LED curtain wall screen as claimed in claim 2, is characterized in that: the upper and lower surface of described rack body is equipped with a meter font reinforcing rib.

5. the simple connecting device of a kind of LED curtain wall screen as claimed in claim 2, it is characterized in that: described left hinge, right hinge all have sheet base portion, base portion two ends extend to form two side to the direction bending of vertical base portion place plane, this two side and base portion form one for fastening the buckling parts of described rack body, the adjoining sidewall of left hinge, right hinge two respectively in opposite directions convex with joint portion, this joint portion is provided with the perforation of passing for described hinge bearing pin.

6. the simple connecting device of a kind of LED curtain wall screen as claimed in claim 5, is characterized in that: the base portion of described left hinge, right hinge is screwed on described rack body.

7. the simple connecting device of a kind of LED curtain wall screen as claimed in claim 5, is characterized in that: the end of described hinge bearing pin is provided with pressing bounce-back steel ball device.