CN212250722U

CN212250722U - Novel LED display screen box body connecting structure

Info

Publication number: CN212250722U
Application number: CN202021749409.0U
Authority: CN
Inventors: 梁凯
Original assignee: Shenzhen City Xinguang Core System Device Co ltd
Current assignee: Shenzhen City Xinguang Core System Device Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2020-12-29
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a novel connecting structure of a box body of an LED display screen, which comprises a plurality of box bodies spliced to form the LED display screen, wherein four corners of each box body are provided with connecting bulges protruding towards the front side of the box body; the four edge ribs of the box body are provided with first magnets, and every two adjacent box bodies are adsorbed and pre-positioned through the corresponding first magnets; the front sides of the middle parts of the four mutually spliced box bodies are provided with concave connecting sheets, the concave connecting sheets are covered outside four connecting bulges corresponding to the middle parts of the four mutually spliced box bodies and are detachably connected with the connecting bulges, and mounting screw holes are formed in the middle of the concave connecting sheets; the scarce groove has been seted up respectively at four dorsal four angles in the middle part of the box of four mutual concatenations, and four scarce grooves are enclosed to close and are formed the smooth mounting groove of diapire, and the flat backing plate that has the contact surface of flat shop in the mounting groove has seted up the installation via hole in the centre of backing plate, passes the installation via hole and is provided with the construction bolt that can twist in the construction screw. The utility model discloses firm in connection between the box guarantees the box and connects the roughness.

Description

Novel LED display screen box body connecting structure

Technical Field

The utility model relates to a LED display screen box builds installation technical field, concretely relates to novel LED display screen box connection structure.

Background

The LED box body is connected to have important meaning to the LED display screen, not only plays the fastness of being connected between box and the box to also have very big influence to the roughness. As shown in figures 1 and 2, the existing quick lock between adjacent boxes 1 plays a role of quick connection, but because the quick lock cannot bear the weight of the whole screen, the connecting piece 2 is necessary to assist splicing. At present, a connecting sheet 2 is basically made of a 2.5mm sheet metal iron sheet, four mounting screw through holes with the same distance of 60mmx60mm are formed in the iron sheet, the connecting sheet 2 is attached to the back sides of the corners of four box bodies 1, and four screws 3 penetrate through the corresponding mounting screw through holes respectively and are connected with the corresponding corner threads of the box bodies 1 to assist the splicing of the box bodies; just because the connection piece 2 needs to be attached to the back of the corner spliced by the four box bodies 1, the connection piece 2 has great influence on the flatness of the box bodies 1. The sheet metal iron sheet is processed by stamping, removing burrs after stamping, degreasing and spraying powder (high-end point electrophoresis). After completion, the stress deformation of the connecting piece 2 cannot be removed, so that there is a problem in the flatness of the connecting piece 2 itself. And the precision of box is CNC finish machining, and the angle back laminating of 1 concatenations of four boxes will appear the difference in height of different degree on connection piece 2 of unevenness like this, can't satisfy the connection requirement when doing the booth apart from the box connection.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a simple structure, convenient assembling is swift, and firm in connection is reliable between the box to effectively guarantee the box and connect the novel LED display screen box connection structure of roughness, can also cancel quick lock, reduce manufacturing cost.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted as follows:

a novel connecting structure of a box body of an LED display screen comprises a plurality of box bodies which are spliced to form the LED display screen, wherein four corners of each box body are provided with connecting bulges protruding towards the front side of each box body;

the four edge ribs of the box body are respectively provided with a first magnet, and every two adjacent box bodies are adsorbed and pre-positioned through the corresponding first magnets;

the front sides of the middle parts of the four mutually spliced box bodies are provided with concave connecting sheets, the concave connecting sheets are covered outside the four connecting bulges corresponding to the middle parts of the four mutually spliced box bodies and detachably connected with the connecting bulges, and mounting screw holes are formed in the middle of the concave connecting sheets;

four splice each other the dorsal four angles in box middle part have been seted up respectively and have been lacked the groove, four it encloses to close and forms the smooth mounting groove of diapire to lack the groove, the flat backing plate of contact surface has been laid to the mounting groove internal plains, the installation via hole has been seted up to the centre of backing plate, passes the installation via hole is provided with and twists the installation bolt in the installation screw, the installation bolt is through twisting the installation screw is screwed up and is impeld the backing plate with the cooperation of concave type connection piece forms clamping mechanism in order to lock four adjacent the box.

The utility model discloses assembly method:

every two adjacent box bodies are pre-positioned through the corresponding first magnets in an adsorption mode, then the box bodies are arranged outside the four connecting bulges corresponding to the middle parts of the four box bodies which are spliced with each other through the concave connecting sheet covers and connected, and finally the mounting bolts penetrate through the mounting through holes and are screwed into the mounting screw holes to be tightened so that the base plate and the concave connecting sheets are matched to form a clamping mechanism to lock the four adjacent box bodies.

The beneficial effects of the utility model are embodied in:

1. the smooth contact surface of the backing plate is matched with the smooth bottom wall of the mounting groove, so that the connection between the box bodies is firm and reliable, the connection flatness of the box bodies is effectively ensured, the connection requirement when the box bodies are connected at small intervals is met, the structure is simple, and the assembly is convenient and rapid;

2. the quick lock adopted by the traditional box body connection can be cancelled, the cost of four quick locks can be saved for each box body, and the manufacturing cost of the box body can be reduced by 10-12%.

3. Reduce the CNC processing and the quick lock installation cost of quick lock position in production, promote box installation effectiveness 35%. The daily output of the box body is improved.

Furthermore, the outer surface of the concave connecting sheet is provided with four bolt through holes with equal distance by taking the mounting screw hole as a center, the top surface of each connecting bulge is provided with a positioning screw hole, a positioning bolt which can be screwed into the corresponding positioning screw hole is arranged after penetrating through the bolt through holes, and the positioning bolt enables the concave connecting sheet to position the connection of four adjacent box bodies by screwing into the corresponding positioning screw hole.

The beneficial effect of adopting the further technical scheme is that: on one hand, the positioning bolt penetrates through the bolt through hole and is screwed into the corresponding positioning screw hole, so that the concave connecting sheet is positioned and connected with four adjacent box bodies, and the concave connecting sheet is detachably connected with four adjacent connecting bulges; on the other hand, under the condition that the positioning bolt is not completely screwed down to compact the concave connecting sheet, the concave connecting sheet and the backing plate are allowed to displace in opposite directions in the process that the mounting bolt is screwed into the mounting screw hole, so that the concave connecting sheet is matched with the backing plate to synchronously and gradually lock four adjacent boxes, and finally the positioning bolt is completely screwed down, so that firm and reliable connection between the boxes is further ensured, and the connection flatness of the boxes is effectively ensured.

Furthermore, the mounting bolts and the positioning bolts are all hexagon socket head bolts.

The beneficial effect of adopting the further technical scheme is that: the operating personnel elasticity installation bolt and positioning bolt of being convenient for promote and install and remove the convenience.

Furthermore, two first taper blocks are fixed in the middle of the inner side walls of four sides of the concave connecting piece respectively, two inner sides of the connecting protrusion correspond to the first taper blocks and second taper blocks are fixed on the first taper blocks, the inclined surfaces of the first taper blocks and the corresponding inclined surfaces of the second taper blocks can be screwed along with the mounting bolts into the mounting screw holes to be attached and abutted tightly, and when the first taper blocks and the corresponding second taper blocks are attached and abutted tightly, the inner surfaces of the concave connecting pieces and the top surfaces of the connecting protrusion are in a suspended state.

The beneficial effect of adopting the further technical scheme is that: under the condition that the positioning bolt is not completely screwed to compact the concave connecting sheet, the mounting bolt is allowed to be screwed into the mounting screw hole, the first taper block and the second taper block are gradually attached to and abutted against each other along respective inclined planes, and meanwhile, the inner surface of the concave connecting sheet and the top surface of the connecting bulge are kept suspended, so that the stability of the four adjacent box bodies in the process of locking the base plate and the concave connecting sheet is ensured, and the locking reliability is improved.

Further, the first taper block and the concave connecting sheet are integrally formed.

The beneficial effect of adopting the further technical scheme is that: the reliability of fixing the first taper block and the concave connecting sheet is ensured.

Further, the second taper block and the connecting protrusion are integrally formed.

The beneficial effect of adopting the further technical scheme is that: the reliability of fixing the second taper block and the connecting bulge is ensured.

Further, two surfaces that the backing plate is relative are parallel to each other, just the surface of backing plate with four recesses, each have been seted up as central equidistance to the installation via hole the recess is embedded respectively to have the second magnet.

The beneficial effect of adopting the further technical scheme is that: be convenient for through second magnet with backing plate magnetism absorption in the mounting groove diapire, avoid the backing plate to drop when operation personnel air work, promote when promoting the operation security the utility model discloses an assembly efficiency.

Further, first magnet and second magnet all adopt neodymium iron boron magnet.

The beneficial effect of adopting the further technical scheme is that: ensure the reliability that first magnet is prepositioned to adjacent box, ensure the reliability that second magnet adsorbs the backing plate magnetism mounting groove diapire simultaneously, promote the operation security.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic view of a conventional connection structure of a box body (before installation);

FIG. 2 is a schematic view of a conventional connection structure of a box body (after installation);

FIG. 3 is a schematic front side view of a connection structure of the case according to the embodiment;

FIG. 4 is a schematic view of the backside of the connection structure of the case according to the embodiment;

FIG. 5 is a schematic diagram showing an outer surface structure of a concave connecting piece in the connecting structure of the case according to the embodiment;

FIG. 6 is a schematic view showing the inner surface structure of a concave connecting piece in the connecting structure of the case according to the embodiment;

FIG. 7 is a schematic view showing a gasket in the case connection structure according to the embodiment;

FIG. 8 is a schematic view showing the construction of one of the case bodies in the case body coupling structure of the embodiment;

FIG. 9 is a schematic structural view of two spliced boxes in the box connecting structure of the embodiment;

FIG. 10 is a schematic structural view of four spliced boxes in the box connecting structure according to the embodiment;

FIG. 11 is a side view of four splice cases in the case connecting structure of the embodiment (before gasket mounting)

FIG. 12 is a side partial cross-sectional view of four splice boxes in the box connection structure of the embodiment (after gasket assembly).

In the attached drawing, a box body 1, a connecting sheet 2, a screw 3, a concave connecting sheet 4, a gasket 5, an installation screw hole 6, a positioning through hole 7, a first taper block 8, a connecting bulge 9, a positioning screw hole 10, a second taper block 11, a notch 12, a first magnet 13, an installation through hole 14, a groove 15, a second magnet 16, a positioning bolt 17, an installation groove 18 and an installation bolt 19.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

A novel connecting structure of a box body of an LED display screen is shown in figure 8 and comprises a plurality of box bodies 1 which are spliced to form the LED display screen, wherein four corners of each box body 1 are provided with connecting bulges 9 protruding towards the front side of each box body 1;

as shown in fig. 8 and 9, first magnets 13 are arranged on four edge ribs of the box body 1, and every two adjacent box bodies 1 are adsorbed and pre-positioned by the corresponding first magnets 13; wherein, the first magnet 13 is a neodymium iron boron magnet;

as shown in fig. 3, 5 and 6, a concave connecting piece 4 is arranged at the front side of the middle part of the four mutually spliced box bodies 1, the concave connecting piece 4 is a die-cast aluminum piece with the thickness of 108mm 180mm 29mm, the thickness of the inner side wall of the concave connecting piece 4 is 6.5mm, and four corners are chamfered with R31 round corners, the concave connecting piece 4 is covered outside the four connecting bulges 9 corresponding to the middle parts of the four mutually spliced box bodies 1 and is detachably connected with the connecting bulges, a mounting screw hole 6 is arranged in the middle of the concave connecting piece 4, and the mounting screw hole 6 is provided with a screw hole with M8 screw teeth;

as shown in fig. 4, 7, 8 and 9, four grooves 12 are respectively formed in four corners of the back side of the middle of the four box bodies 1 which are spliced with each other, the four grooves 12 surround to form a mounting groove 18 with a flat bottom wall, a base plate with a flat contact surface is flatly paved in the mounting groove 18, a mounting through hole 14 is formed in the middle of the base plate, as shown in fig. 11 and 12, a mounting bolt 19 which can be screwed into the mounting screw hole 6 is arranged through the mounting through hole 14, the mounting bolt 19 is an M8 hexagon socket head bolt with a length of 54mm, and the mounting bolt 19 is screwed into the mounting screw hole 6 and tightened to enable the base plate to be matched with the concave connecting piece 4 to form a clamping mechanism so as to lock the four adjacent box bodies 1.

Specifically, as shown in fig. 5 and 8, four phi 10mm bolt through holes are formed in the outer surface of the concave connecting plate 4 at equal intervals of 60mm by 60mm with the mounting screw hole 6 as the center, a positioning screw hole 10 is formed in the top surface of each connecting protrusion 9, a positioning bolt 17 capable of being screwed into the corresponding positioning screw hole 10 is arranged to penetrate through the bolt through holes, the positioning bolt 17 enables the concave connecting plate 4 to position the connection of four adjacent box bodies 1 by screwing into the corresponding positioning screw hole 10, and the positioning bolt 17 is an inner hexagon socket head bolt.

Preferably, as shown in fig. 6, 8 and 12, two first taper blocks 8 are integrally formed in the middle of inner side walls of four sides of the concave connecting piece 4, two inner sides of the connecting protrusion 9 are integrally formed with second taper blocks 11 corresponding to the first taper blocks 8, an inclined surface of each first taper block 8 and an inclined surface of each corresponding second taper block 11 can be screwed into the corresponding mounting screw hole 6 along with the mounting bolt 19 to be attached and abutted, and when the first taper blocks 8 and the corresponding second taper blocks 11 are attached and abutted, an inner surface of the concave connecting piece 4 and a top surface of the connecting protrusion 9 are in a suspended state.

Preferably, as shown in fig. 7, two opposite surfaces of the backing plate are parallel to each other, and the outer surface of the backing plate is provided with four grooves 15, each of which is embedded with a second magnet 16 respectively, in the grooves 15, the second magnet 16 is made of neodymium iron boron magnet.

The assembly steps of this embodiment are as follows:

1. as shown in fig. 9, two side-by-side boxes 1 with the internal structure of the box 1 assembled are attracted by a first magnet 13, and then two positioning bolts 17 are adopted at the spliced corners of the two boxes 1 to penetrate through corresponding bolt through holes to connect the concave connecting sheet 4 with the box 1, but the two positioning bolts 17 are not fixed tightly;

2. as shown in fig. 10, another two boxes 1 are spliced above the original two boxes 1 through corresponding first magnets 13, the two boxes are arranged in a matrix of 2x2, and another two positioning bolts 17 penetrate through corresponding bolt through holes to connect the concave connecting sheet 4 with the two newly spliced boxes 1, and the two positioning bolts 17 are not fixed tightly;

3. as shown in fig. 11 and 12, a backing plate is then fitted into the bottom wall of the mounting recess 18 while being screwed into the mounting screw hole 6 through the mounting through hole 14 using the mounting bolt 19; in the process of screwing the mounting bolt 19, the inclined surface of the first taper block 8 is contacted with the inclined surface of the corresponding second taper block 11 and is gradually attached and abutted; when unevenness appears in the corners of four box 1 in this process or can't be parallel simultaneously tightened up, the smooth contact surface of backing plate and the smooth diapire mating reaction of mounting groove 18, withstand the box 1 that has contacted no longer take place the displacement, and the box 1 angle that does not tighten up simultaneously then continues to play the displacement at the in-process that mounting bolt 19 tightened up, no longer displacement until four box 1 and backing plate contact, mounting bolt 19 also is in unable state of tightening up this moment, the inclined plane of first tapering piece 8 is in the state of laminating completely to support tightly with the inclined plane piece of the second tapering that corresponds simultaneously, and the internal surface of concave type connection piece 4 with the top surface of connecting protrusion 9 is in unsettled state. Thus, four adjacent corners of the four cases 1 are in a flat locked state, and the X, Y, Z shaft cannot move. The corners of all the box bodies 1 are connected through the connecting structure according to the principle, so that the cost of quickly locking the box bodies can be saved while the box bodies are spliced smoothly.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A novel connecting structure of a box body of an LED display screen comprises a plurality of box bodies (1) which are spliced to form the LED display screen, wherein four corners of each box body (1) are provided with connecting bulges (9) protruding to the front side of each box body (1); the method is characterized in that:

first magnets (13) are arranged on four side ribs of the box body (1), and every two adjacent box bodies (1) are adsorbed and prepositioned through the corresponding first magnets (13);

the front sides of the middle parts of the four mutually spliced box bodies (1) are provided with concave connecting sheets (4), the concave connecting sheets (4) are covered outside the four connecting bulges (9) corresponding to the middle parts of the four mutually spliced box bodies (1) and are detachably connected with the connecting bulges, and mounting screw holes (6) are formed in the middle of the concave connecting sheets (4);

four splice each other scarce groove (12), four are seted up respectively to dorsal four angles in box (1) middle part scarce groove (12) encloses to close and forms diapire smooth mounting groove (18), the flat backing plate of contact surface has been laid to mounting groove (18) internal flush, installation via hole (14) have been seted up to the centre of backing plate, pass installation via hole (14) are provided with and can twist installation bolt (19) in installation screw (6), installation bolt (19) are through twisting installation screw (6) are screwed up and are impeld the backing plate with concave type connection piece (4) cooperation forms clamping mechanism in order to lock four adjacent box (1).

2. The novel LED display screen box body connecting structure of claim 1, wherein: the outer surface of the concave connecting sheet (4) is equidistantly provided with four bolt through holes by taking an installation screw hole (6) as a center, the top surface of each connecting bulge (9) is provided with a positioning screw hole (10), a positioning bolt (17) which can be screwed into the corresponding positioning screw hole (10) penetrates through the bolt through holes, and the positioning bolt (17) facilitates the concave connecting sheet (4) to position four adjacent box bodies (1) for connection by screwing into the corresponding positioning screw hole (10).

3. The novel LED display screen box body connecting structure of claim 2, wherein: the mounting bolt (19) and the positioning bolt (17) are both inner hexagon cup head bolts.

4. The novel LED display screen box body connecting structure of claim 2, wherein: the middle parts of the inner side walls of four sides of the concave connecting piece (4) are respectively fixed with two first taper blocks (8), two inner sides of the connecting protrusion (9) correspond to the first taper blocks (8) and are fixed with second taper blocks (11), the inclined surface of each first taper block (8) and the inclined surface of each corresponding second taper block (11) can be screwed in the mounting bolt (19) to be tightly attached in the mounting screw hole (6), and when the first taper blocks (8) and the corresponding second taper blocks (11) are tightly attached, the inner surface of the concave connecting piece (4) and the top surface of the connecting protrusion (9) are in a suspended state.

5. The novel LED display screen box body connecting structure of claim 4, wherein: the first taper block (8) and the concave connecting sheet (4) are integrally formed.

6. The novel LED display screen box body connecting structure of claim 4, wherein: the second taper block (11) and the connecting bulge (9) are integrally formed.

7. The novel LED display screen box body connecting structure of any one of claims 1-6, wherein: the relative two surfaces of backing plate are parallel to each other, just the surface of backing plate with four recess (15), each have been seted up as central equidistance in installation via hole (14) recess (15) are embedded respectively to have second magnet (16).

8. The novel LED display screen box body connecting structure of claim 7, wherein: the first magnet (13) and the second magnet (16) both adopt neodymium iron boron magnets.