CN207397626U

CN207397626U - End-rack, babinet and LED display

Info

Publication number: CN207397626U
Application number: CN201721444828.1U
Authority: CN
Inventors: 李漫铁; 耿胜国; 薛元亭
Original assignee: Ledman Optoelectronic Co Ltd
Current assignee: Ledman Optoelectronic Co Ltd
Priority date: 2017-11-02
Filing date: 2017-11-02
Publication date: 2018-05-22
Anticipated expiration: 2027-11-02

Abstract

The utility model discloses a kind of end-rack, babinet and LED display, wherein, the end-rack is used to assemble the babinet of LED display, and the end-rack includes square rack and at least one first connection strap；Wherein, the square rack includes the first short side being oppositely arranged and the second short side and the first long side and the second long side that are oppositely arranged；At least one first connection strap is connected between first long side and second long side.Component of the utility model end-rack as the babinet of LED display, can realize tuning into the melt for box sizes, reduce the cost of babinet.

Description

End frame, box and LED display device

Technical Field

The utility model relates to a LED technical field especially relates to an end frame, box and LED display device.

Background

The LED display screen is composed of an LED dot matrix and a panel, and the LED dot matrix displays contents such as characters, pictures, animation and videos through the on and off of LED lamps such as red, blue, white and green. Because the LED display panel has the advantages of high brightness, low operating voltage, low power consumption, large size, long service life, impact resistance, stable performance, etc., it is widely used for outdoor (e.g., in front of building roofs and business areas, roadsides, etc.) advertisement distribution, and information distribution in markets, stations, squares, airports, etc.

The LED display screen generally comprises a box body and a plurality of LED display modules fixed on the box body, wherein the LED display modules are spliced into a complete display surface, and a driving module, a power supply, a fan and the like are further fixed on the box body. The box body of the LED display screen is formed by die casting, the strength is good, the precision is high, the size is fixed, the change cannot be performed, one die casting die can only form one box body, different dies need to be developed according to different box bodies, and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an end frame aims at reducing the box cost, realizes that the box size is adjustable.

In order to achieve the above object, the present invention provides an end frame for assembling a box body of an LED display device, the end frame comprising a square frame body and at least one first connecting bar; the square frame body comprises a first short side and a second short side which are oppositely arranged, and a first long side and a second long side which are oppositely arranged; the at least one first connecting strip is connected between the first long side and the second long side.

Preferably, the end part of the first short edge is provided with a first step for splicing, the end part of the second short edge is provided with a second step for splicing, and the first step and the second step are oppositely arranged.

Preferably, the first step has a first step surface and a second step surface, the first step surface and the second step surface are sequentially distributed along the first short side toward the second short side, the first step surface is an outer surface of the first short side, and the second step surface is formed on a first convex portion extending outward from the second long side; the second step has third step face and fourth step face, the third step face with the fourth step face is followed the second minor face orientation the direction of first minor face distributes, the third step face does the surface of second minor face, the fourth step face is formed at certainly the outside second convex part that forms that extends of second long limit.

Preferably, the at least one first connecting strip is two first connecting strips which are opposite at intervals, and the second long edge is provided with a middle section positioned between the two first connecting strips; the side surface of the middle section is provided with at least one first through hole, and the width of the middle section is reduced so as to increase the distance between the middle section and the first long edge; each first connecting strip with the junction of interlude is the chamfer setting.

Preferably, the first step has a first step surface and a second step surface, the first step surface and the second step surface are sequentially distributed along the first short side toward the second short side, the first step surface is an outer surface of the first short side, and the second step surface is formed on a third convex portion extending outward from the first long side; the second step has third step face and fourth step face, the third step face with the fourth step face is followed the second minor face orientation the direction of first minor face distributes, the third step face does the surface of second minor face, the fourth step face is formed at certainly outside extending of first long limit forms the fourth convex part.

Preferably, the at least one first connecting strip is two first connecting strips which are opposite at intervals, and the first long edge is provided with a middle section between the two first connecting strips; the side surface of the middle section is provided with at least one second through hole, and the width of the middle section is reduced so as to increase the distance between the middle section and the second long edge; each first connecting strip with the junction of interlude is the chamfer setting.

Preferably, the surface of first minor face is equipped with the bar groove, the surface of second minor face is equipped with the sand grip, one on the end frame the sand grip can with another on the end frame the bar groove adaptation.

Preferably, the end frame is integrally formed.

Preferably, the first long side comprises a first connecting section, a second connecting section and a first connecting piece for connecting the first connecting section and the second connecting section; the second long edge comprises a third connecting section, a fourth connecting section and a second connecting piece for connecting the third connecting section and the fourth connecting section; the first connecting section and the third connecting section are oppositely arranged, and at least one first connecting strip is connected between the first connecting section and the third connecting section; the second connecting section and the fourth connecting section are oppositely arranged, and at least one first connecting strip is connected between the second connecting section and the fourth connecting section.

Preferably, the first connecting section, the third connecting section and the first connecting strip between the first connecting section and the third connecting section are integrally formed; the second connecting section, the fourth connecting section and the first connecting strip between the second connecting section and the fourth connecting section are integrally formed.

Preferably, a third connecting piece is connected between the first connecting piece and the second connecting piece, and the first connecting piece, the second connecting piece and the third connecting piece are integrally formed.

Preferably, the length of the end frame is 250-1000 mm.

In addition, in order to achieve the above object, the present invention further provides a box body, which comprises two end frames, two splicing edges and at least one second connecting strip, wherein the two end frames are symmetrically arranged, and one end frame is the end frame as described above; the two splicing edges are oppositely arranged, one splicing edge is connected between the first short edges of the two end frames, and the other splicing edge is connected between the second short edges of the two end frames; each second connecting strip is connected between the two splicing edges.

Preferably, each end frame and each all be equipped with a plurality of module mounting structure on the second connecting strip, a plurality of module mounting structure are used for magnetism to inhale installation LED display module assembly, each module mounting structure has the installation face, the installation face for the surface liftable of end frame or second connecting strip is adjusted.

In addition, in order to realize the above object, the utility model also provides a LED display device, include the box and install LED display module assembly on the box, the box is as above the box.

The technical proposal of the utility model adopts the end frame as the component of the box body of the LED display device, realizes the size adjustment of the box body through the splicing and assembling of the end frame, and reduces the cost of the box body; simultaneously, still be connected with first connecting strip between the first long limit of this end frame and the second long limit, improved the intensity of this end frame to the intensity of box has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a front view of a first embodiment of an end frame of the present invention;

FIG. 2 is a rear view of the end frame of FIG. 1;

FIG. 3 is a schematic view of the end frame of FIG. 1;

FIG. 4 is a schematic view of the end frame of FIG. 1 from another perspective;

FIG. 5 is a front view of a second embodiment of the end frame of the present invention;

FIG. 6 is a rear view of the end frame of FIG. 5;

FIG. 7 is a schematic view of the end frame of FIG. 5;

FIG. 8 is a schematic structural view of the end frame of FIG. 5 from another perspective;

fig. 9 is a schematic structural view of a third embodiment of the end frame of the present invention;

FIG. 10 is a schematic view of the end frame of FIG. 9 from another perspective;

FIG. 11 is an exploded view of the end frame of FIG. 10;

fig. 12 is a schematic structural diagram of an embodiment of the box body of the present invention;

FIG. 13 is an exploded view of the housing of FIG. 12;

FIG. 14 is a schematic view of the case of FIG. 12 from another perspective;

FIG. 15 is an exploded view of the housing of FIG. 14;

fig. 16 is a schematic structural diagram of an embodiment of an LED display device according to the present invention;

FIG. 17 is a schematic view of the LED display device shown in FIG. 16 from another viewing angle;

fig. 18 is an exploded view of the LED display device of fig. 17.

The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an end frame for assemble LED display device's box, please refer to fig. 1-4, in the first embodiment, this end frame 1 includes square support body 10 and at least one first connecting strip 11. Wherein, this square support body 10 includes relative first minor face 12 and the second minor face 13 that sets up, and relative first long limit 14 and the second long limit 15 that sets up, and at least a first connecting strip 11 is connected between first long limit 14 and second long limit 15.

The end frame 1 of the embodiment is used as a component of the box body of the LED display device and can be spliced and assembled into the box body, so that the size of the box body can be adjusted, the condition that only a single-size box body can be formed by one mold is avoided, and further, multiple molds do not need to be developed for box bodies with different sizes, and the cost is greatly reduced; meanwhile, a first connecting strip 11 is connected between the first long edge 14 and the second long edge 15 of the end frame 1, so that the strength of the end frame 1 is improved, and the strength of the box body is improved.

It should be noted that, in the utility model discloses in, when this end frame 1 assembles the box, can be connected this end frame 1 with other parts of box through the connecting piece, also can insert in other parts of box in order to realize connecting through set up grafting portion on end frame 1, can also make other parts of box accept in this holding portion in order to realize connecting through set up the holding portion on end frame 1. The number of the first connecting strips 11 can be set according to actual needs, and is usually one, two or three, but is not limited to the listed cases; and the first connecting strips 11 may be arranged in parallel, obliquely or crosswise with respect to the first short side 12 or the second short side 13.

In this embodiment, a first step 120 for splicing is disposed at an end of the first short side 12, a second step 130 for splicing is disposed at an end of the second short side 13, and the first step 120 and the second step 130 are disposed opposite to each other.

The step surfaces of the first step 120 and the second step 130 can be used for bearing other elements, so that the box body is convenient to assemble, the splicing efficiency is improved, and the splicing stability is good. It should be noted that, in the present invention, the first step 120 may be formed by completely disposing the end portion of the first short side 12 on the first short side 12 through a recess or forming a protrusion by extending the end portion of the first short side 12 outward, and similarly, the second step 130 may be formed by completely disposing the end portion of the second short side 13 on the second short side 13 through a recess or forming a protrusion by extending the end portion of the second short side 13 outward.

In the present embodiment, the first step 120 further includes a first step surface 122 and a second step surface 124, the first step surface 122 and the second step surface 124 are sequentially distributed along the first short side 12 toward the second short side 13, the first step surface 122 is an outer surface of the first short side 12, and the second step surface 124 is formed on a first protrusion 126 extending outward from the second long side 15. The second step 130 has a third step surface 132 and a fourth step surface 134, the third step surface 132 and the fourth step surface 134 are distributed along the second short side 13 toward the first short side 12, the third step surface 132 is an outer surface of the second short side 13, and the fourth step surface 134 is formed on a second protrusion 136 extending outward from the second long side 15.

Since the first step 120 and the second step 130 are both disposed at the corners of the square frame 10, the second step surface 124 is formed by extending outward from the second long side 15, which can also be understood as being formed by extending outward from the first short side 12; the fourth step surface 134 extends outwardly from the second long side 15, and can also be understood as extending outwardly from the second short side 13. The first protrusion 126 and the second protrusion 136 are formed by extending outwards from the square frame 10 as a mounting connection structure, and need not to be completely opened on the first short side 12 and the second short side 13, which is beneficial to improving the overall strength of the square frame 10.

In this embodiment, further, at least one first connecting bar 11 is two first connecting bars 11 opposite to each other at intervals, and the second long side 15 has a middle section 150 located between the two first connecting bars 11. The side of the middle section 150 is provided with at least one first through hole 152, and the width W of the middle section 150 is decreased to increase the distance between the middle section 150 and the first long side 14. The junction 154 of each first connecting bar 11 with the intermediate section 150 is chamfered.

The two first connecting strips 11 are arranged between the first long edge 14 and the second long edge 15 at intervals, so that the overall strength of the end frame 1 is greatly enhanced, and the bearing capacity of the end frame 1 is improved; the first through hole 152 is used for installing a connector, and for facilitating the connection of the connector, the distance between the middle section 150 and the first long side 14 is increased by reducing the width W of the middle section 150, namely the width W of the middle section 150 is smaller than the width of other sections of the second long side 15, so that the operation space is increased, and the operation is facilitated; meanwhile, the junction 154 between the first connecting bar 11 and the intermediate section 150 is chamfered, thereby improving the connection strength and reducing the influence of the reduction of the width W of the intermediate section 150. Obviously, in other embodiments of the present invention, the second long side 15 may be a uniform strip, without special treatment of the middle section 150.

In this embodiment, further, the outer surface of the first short side 12 is provided with a strip-shaped groove 128, the outer surface of the second short side 13 is provided with a convex strip 138, and the convex strip 138 of one end frame 1 can be matched with the strip-shaped groove 128 of the other end frame 1.

When the surface of second minor face 13 was placed on ground, end frame 1 can be raised to this sand grip 138 to the whole box that makes this end frame 1 have is raised, avoids installing LED display module on the box and bumps with ground and lead to LED display module impaired. Similarly, when the other end frame 1 is superposed on the first short side 12, the protruding strip 138 of the second short side 13 can be received in the strip-shaped groove 128 of the first short side 12 to reduce the seam.

In the present embodiment, further, the end frame 1 is integrally formed. Because the end frame 1 is integrally formed, the integral rigidity of the end frame 1 is improved, and the strength of the box body is further improved.

In the present embodiment, the end frame 1 is preferably made of die-cast aluminum, i.e., the end frame 1 is integrally formed by die-casting an aluminum material.

The aluminum material is light, is favorable for lightening the weight of the box body, and can ensure the strength of the end frame 1 through die-casting molding. It should be noted that, in other embodiments of the present invention, the end frame 1 may also adopt other integral forming processes, and the material of the end frame 1 is not limited to aluminum material, and may be iron, steel or other alloy materials.

In the present embodiment, the length direction of the end frame 1 is the extending direction of the first long side 14 or the second long side 15, wherein the length L of the end frame 1 is 250-1250 mm. Preferably, the length L of the end frame 1 is 500 mm.

Referring to fig. 5 to 8, fig. 5 is a front view of a second embodiment of an end frame of the present invention; FIG. 6 is a rear view of the end frame of FIG. 5; FIG. 7 is a schematic view of the end frame of FIG. 5; fig. 8 is a schematic structural view of the end frame of fig. 5 from another perspective. The difference between the end frame 1' of the second embodiment and the end frame 1 of the first embodiment is:

in the end frame 1 'of the present embodiment, the first step 120' has a first step surface 122 'and a second step surface 124', the first step surface 122 'and the second step surface 124' are sequentially distributed along the first short side 12 toward the second short side 13, the first step surface 122 'is an outer surface of the first short side 12, and the second step surface 124' is formed on a third protrusion 126 'extending outward from the first long side 14'. The second step 130 ' has a third step surface 132 ' and a fourth step surface 134 ', the third step surface 132 ' and the fourth step surface 134 ' are distributed along the second short side 13 toward the first short side 12, the third step surface 132 ' is an outer surface of the second short side 13, and the fourth step surface 134 ' is formed on a fourth protrusion 136 ' extending outward from the first long side 14 '. In other words, the convex portion is formed extending from the first long side 14 'rather than the second long side 15'.

The at least one first connecting strip 11 is two first connecting strips 11 which are opposite at intervals, and the first long side 14 is provided with a middle section 140' positioned between the two first connecting strips 11; the side surface of the middle section 140 ' is provided with at least one second through hole 142 ', and the width W ' of the middle section 150 is reduced to increase the distance between the middle section 140 ' and the second long side 15 '; the junction 144 'of each first connecting bar 11 with the intermediate section 140' is chamfered. In other words, the intermediate section 140 ' is disposed on the first long side 14 ' and not on the second long side 15 '.

In summary, the first and second embodiments of the end frame of the present invention are symmetrical structures, and after the box is assembled, the end frame 1 of the first embodiment is located at one end of the box, and the end frame 1' of the second embodiment is located at the other end of the box, and they are mirror images of each other about the central plane of the box, as described below.

Referring to fig. 9 to 11, fig. 9 is a schematic structural view of a third embodiment of an end frame of the present invention; FIG. 10 is a schematic view of the end frame of FIG. 9 from another perspective; fig. 11 is an exploded view of the end frame of fig. 10. The utility model discloses the end frame 1 of third embodiment is different in 1 with the end frame of above-mentioned first embodiment:

the first long side 14 includes a first connecting section 140, a second connecting section 142, and a first connecting member 160 connecting the first connecting section 140 and the second connecting section 142. The second long side 15 comprises a third connecting section 156, a fourth connecting section 158 and a second connector 162 connecting the third connecting section 156 and the fourth connecting section 158. The first connecting section 140 and the third connecting section 156 are oppositely disposed, and at least one first connecting bar 11 is connected between the first connecting section 140 and the third connecting section 156. The second connecting section 142 and the fourth connecting section 158 are oppositely disposed, and at least one first connecting bar 11 is connected between the second connecting section 142 and the fourth connecting section 158.

In the present embodiment, further, the first connecting section 140, the third connecting section 156, and the first connecting strip 11 between the first connecting section 140 and the third connecting section 156 are integrally formed. The second connecting section 142, the fourth connecting section 158 and the first connecting strip 11 between the second connecting section 142 and the fourth connecting section 158 are integrally formed.

Since the first connecting section 140, the third connecting section 156 and the first connecting strip 11 connected therebetween are integrally formed, they are advantageous for improving strength as a whole; since the second connecting section 142, the fourth connecting section 158 and the first connecting strip 11 connected therebetween are integrally formed, they also contribute to improving strength as a whole; moreover, the end frame 1 is divided into two parts, which is beneficial to reducing the processing difficulty.

In the present embodiment, further, both large portions of the end frame 1 are made of die-cast aluminum, that is, both large portions of the end frame 1 are made of aluminum material by integral die-casting.

In this embodiment, further, a third connecting member 164 is connected between the first connecting member 160 and the second connecting member 162, and the first connecting member 160, the second connecting member 162 and the third connecting member 164 are integrally formed.

The first connecting member 160, the second connecting member 162 and the third connecting member 164 are of an integral structure, so that the number of parts can be reduced, the installation is convenient, and the connecting strength is improved. In this embodiment, the first connecting member 160, the second connecting member 162 and the third connecting member 164 are preferably integrally formed in an "i" shape,

in this embodiment, further, a plurality of screw holes distributed along the length direction are respectively disposed on the first connecting section 140 and the second connecting section 142, a plurality of screw holes are correspondingly disposed on the first connecting member 160, and the first connecting member 160 connects the first connecting section 140 and the second connecting section 142 through screws; a plurality of screw holes distributed along the length direction are also formed in the third connecting section 156 and the fourth connecting section 158, a plurality of screw holes are correspondingly formed in the second connecting piece 162, and the second connecting piece 162 is connected with the third connecting section 156 and the fourth connecting section 158 through screws; the adjustability of the size is further achieved by adjusting the length of the whole end frame 1 by adjusting the fit of the first connecting piece 160 with different screw holes on the first long side 14 and the fit of the second connecting piece 162 with different screw holes on the second long side 15.

In this embodiment the length of the end frame 1 is preferably 250 mm.

Referring to fig. 9 to 11, the present invention further provides a fourth embodiment of an end frame, wherein the end frame of the fourth embodiment and the end frame of the third embodiment are symmetrical to each other, and after the box body is assembled, the end frame of the third embodiment is located at one end of the box body, and the end frame of the fourth embodiment is located at the other end of the box body, and the two end frames are mirror images of each other about the central plane of the box body.

The utility model provides a box, please refer to fig. 12 to fig. 15, in an embodiment, this box 2 includes both ends frame, two concatenation limits 3 and an at least second connecting strip 4, wherein, both ends frame is the symmetry setting, and two concatenation limits 3 set up relatively, and a concatenation limit 3 is connected between the first minor face 12 of both ends frame, and another concatenation limit 3 is connected between the second minor face 13 of both ends frame, and each second connecting strip 4 is connected between two concatenation limits 3. Since any end frame in the box body 2 of this embodiment adopts all technical solutions of all the embodiments described above, all the beneficial effects brought by the technical solutions of the embodiments described above are also achieved, and are not described in detail herein.

It should be noted that, in the present invention, the splicing edge 3 and the first short edge 12 or the second short edge 13 of the two-end frame can be connected by a connecting structure, such as a connecting block or a connecting strip, one end of the connecting strip is screwed to one end of the splicing edge 3, and the other end of the connecting strip is screwed to the end of the first short edge 12 or the second short edge 13; the joint edge 3 and the first short edge 12 or the second short edge 13 can also be connected by means of a plug connection or a lap connection.

In this embodiment, further, one of the two end frames is the end frame 1 in the first embodiment, and the other of the two end frames is the end frame 1 'in the second embodiment, wherein a splicing edge 3 is overlapped between the first protrusion 126 and the third protrusion 126', and is fixedly connected by a screw; the other splicing edge 3 overlaps between the second projection 136 and the fourth projection 136' and is fixedly connected by means of screws.

In this embodiment, further, all be equipped with a plurality of module mounting structure 5 on each end frame and each second connecting strip 4, a plurality of module mounting structure 5 are used for magnetism to inhale installation LED display module assembly, and each module mounting structure 5 has the installation face, and the installation face is adjusted for the surface liftable of end frame or second connecting strip 4.

Because the installation face can be adjusted and set up, and then adjust the installation face and control LED display module's roughness through the lift, guarantee that all LED display module's on the box display surface all is on the coplanar. It should be noted that the module mounting structure 5 may be iron or a magnet, and the magnetic attraction mounting of the module is realized by mounting the magnet on the LED display module.

In the present embodiment, further, each module mounting structure 5 includes an iron screw 50 and a rubber ring 52, the rubber ring 52 is located between the iron screw 50 and the end frame (the second connecting strip 4), and the mounting surface is adjusted by adjusting the depth of the iron screw 50 mounted in the end frame or the second connecting strip 4, wherein the rubber ring 52 plays a role of buffering protection.

In this embodiment, further, both the splicing edges 3 are aluminum profiles. Because both ends frame is die-cast aluminium, its bearing structure as whole box 2 has guaranteed the intensity of box 2, and two concatenation limit 3 adopt the aluminium alloy simultaneously, are favorable to reduce cost, weight reduction.

In this embodiment, further, the at least one second connecting strip 4 is three second connecting strips 4 opposite to each other at intervals, and two ends of each second connecting strip 4 are respectively fixed on one splicing edge 3 through screws. However, in other embodiments of the present invention, the number of the second connecting strips 4 may be set according to actual needs, and may be 1, 2 or 4, and the like, and is not limited thereto.

Referring to fig. 1 and fig. 5, in this embodiment, the box body 2 further includes a rear cover 6, the rear cover 6 is used for covering the back surface of the box body 2, and the rear cover 6, the two splicing edges 3, the second long edge 15 of the end frame 1 and the first long edge 14 'of the end frame 1' enclose to form an accommodating space.

In this embodiment, the length direction of the box 2 is perpendicular to the length direction of the end frame 1, the width direction of the box is the same as the length direction of the end frame 1, and the length of the box is 250 to 1500 mm. Preferably 1000 mm. However, in other embodiments of the present invention, the length of the box may also be 500mm, 750mm or 1250 mm.

The utility model discloses still provide another embodiment of box, please combine fig. 9 to fig. 13, the difference of this embodiment box and above-mentioned embodiment box lies in:

one end frame of the box body of this embodiment is the end frame 1 of the third embodiment, and the other end frame of the box body of this embodiment is the end frame of the fourth embodiment.

The utility model provides a LED display device, please refer to fig. 16 to fig. 18, in an embodiment, this LED display device includes box 2 and installs LED display module assembly 8 on box 2, and this LED display device's box 2 has adopted all technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought equally, and the repeated description is no longer given here.

It should be noted that, in the utility model discloses in, LED display device can be LED display screen or LED concatenation screen, but is not limited to this. Wherein, LED concatenation screen can be assembled through the concatenation of a plurality of boxes 2 and form.

In the present embodiment, further, each corner position of each LED display module 8 is embedded with a magnet 80, and the magnet 80 is mounted on the case 2 by being engaged with the corresponding module mounting structure 5.

With reference to fig. 3 and fig. 7, in the present embodiment, a data connector 90 is installed in each of the two first through holes 152 of the end frame 1, and a power connector 92 is installed in each of the two second through holes 142 'of the end frame 1', so that the power connector 92 and the data connector 90 are used to communicate power and data, and the LED display module 8 operates.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. An end frame is used for assembling a box body of an LED display device and is characterized by comprising a square frame body and at least one first connecting strip; wherein,

the square frame body comprises a first short side and a second short side which are oppositely arranged, and a first long side and a second long side which are oppositely arranged;

the at least one first connecting strip is connected between the first long side and the second long side.

2. The end frame of claim 1, wherein a first step for splicing is provided on an end portion of the first short side, a second step for splicing is provided on an end portion of the second short side, and the first step and the second step are oppositely arranged.

3. The end frame of claim 2,

the first step is provided with a first step surface and a second step surface, the first step surface and the second step surface are sequentially distributed along the direction from the first short edge to the second short edge, the first step surface is the outer surface of the first short edge, and the second step surface is formed on a first convex part formed by extending outwards from the second long edge;

the second step has third step face and fourth step face, the third step face with the fourth step face is followed the second minor face orientation the direction of first minor face distributes, the third step face does the surface of second minor face, the fourth step face is formed at certainly the outside second convex part that forms that extends of second long limit.

4. The end frame according to claim 1, 2 or 3 wherein said at least one first connector strip is two first connector strips in spaced opposed relation, said second long side having a middle section located between said two first connector strips;

the side surface of the middle section is provided with at least one first through hole, and the width of the middle section is reduced so as to increase the distance between the middle section and the first long edge;

each first connecting strip with the junction of interlude is the chamfer setting.

5. The end frame of claim 2,

the first step is provided with a first step surface and a second step surface, the first step surface and the second step surface are sequentially distributed along the direction from the first short edge to the second short edge, the first step surface is the outer surface of the first short edge, and the second step surface is formed on a third convex part formed by extending outwards from the first long edge;

the second step has third step face and fourth step face, the third step face with the fourth step face is followed the second minor face orientation the direction of first minor face distributes, the third step face does the surface of second minor face, the fourth step face is formed at certainly outside extending of first long limit forms the fourth convex part.

6. The end frame according to claim 1, 2 or 5 wherein said at least one first connector strip is two first connector strips in spaced opposed relation, said first long side having a middle section located between said two first connector strips;

the side surface of the middle section is provided with at least one second through hole, and the width of the middle section is reduced so as to increase the distance between the middle section and the second long edge;

7. The end frame according to claim 1, 2, 3 or 5 wherein the outer surface of said first short side is provided with a strip-shaped groove and the outer surface of said second short side is provided with a rib, said rib of one of said end frames being adapted to said strip-shaped groove of the other of said end frames.

8. An end frame according to claim 1, 2, 3 or 5, wherein the end frame is integrally formed.

9. The end frame of claim 1, 2, 3 or 5,

the first long edge comprises a first connecting section, a second connecting section and a first connecting piece for connecting the first connecting section and the second connecting section;

the second long edge comprises a third connecting section, a fourth connecting section and a second connecting piece for connecting the third connecting section and the fourth connecting section;

the first connecting section and the third connecting section are oppositely arranged, and at least one first connecting strip is connected between the first connecting section and the third connecting section;

the second connecting section and the fourth connecting section are oppositely arranged, and at least one first connecting strip is connected between the second connecting section and the fourth connecting section.

10. The end frame of claim 9,

the first connecting section, the third connecting section and the first connecting strip between the first connecting section and the third connecting section are integrally formed;

the second connecting section, the fourth connecting section and the first connecting strip between the second connecting section and the fourth connecting section are integrally formed.

11. The end frame of claim 10 wherein a third connecting member is connected between said first connecting member and said second connecting member, said first connecting member, said second connecting member and said third connecting member being integrally formed.

12. An end frame according to claim 1, 2, 3 or 5 wherein the length of the end frame is 250 to 1000 mm.

13. A box body is characterized by comprising two end frames, two splicing edges and at least one second connecting strip, wherein,

the two end frames are symmetrically arranged, and one end frame is the end frame in any one of claims 1 to 12;

the two splicing edges are oppositely arranged, one splicing edge is connected between the first short edges of the two end frames, and the other splicing edge is connected between the second short edges of the two end frames;

each second connecting strip is connected between the two splicing edges.

14. A cabinet as claimed in claim 13, wherein each of the end frames and each of the second connecting strips has a plurality of module mounting structures for magnetically mounting an LED display module, each of the module mounting structures has a mounting surface that is adjustable in height relative to the surface of the end frame or the second connecting strip.

15. An LED display device, comprising a box body and an LED display module mounted on the box body, characterized in that the box body is the box body of claim 13 or 14.