CN215818855U - Box and LED display screen - Google Patents

Abstract

The utility model relates to a box body and an LED display screen, comprising: a frame including opposing first and second sides; the electrical box comprises a box body and a cover body covering the box body; the box body is movably connected to the frame around an axis; when the box body is in the first state, the box body is positioned between the first side surface and the second side surface, and the cover body is positioned on one side of the box body facing the second side surface; when the box body is in the second state, the box body is at least partially positioned on one side of the frame with the first side surface. Above-mentioned box, when needs maintenance, can directly open the lid from the second side and maintain the electrical apparatus box, perhaps rotate the electrical apparatus box and just enable the electrical apparatus box and expose on first side, the maintenance personal of being convenient for can open the lid from first side and maintain electrical apparatus box inside. Therefore, the electrical box can be conveniently maintained from two directions of the LED display screen, and the maintenance steps are reduced.

Description

Box and LED display screen

Technical Field

The utility model relates to the technical field of LED display, in particular to a box body and an LED display screen.

Background

The LED display screen is a flat panel display, is formed by splicing a plurality of LED display modules and is used for displaying various information such as characters, images, videos and the like. The LED display screen comprises the following basic components: LED display module, box and electrical component (including power module, data processing module, middle connector and connecting wire several relatively independent modules). The LED display module is arranged on the front face of the box body, the electric elements are contained in the electric appliance box, and the control box is fixed on the back face of the box body.

In the use of LED display screen, the electric elements of LED display screen can appear the damage of different degree, need pull down corresponding electric elements this moment and maintain. During maintenance, the LED display module fixed on the front surface of the box body needs to be detached, then the electrical box fixed on the back surface of the box body is taken out from the front surface, and then maintenance is carried out, so that the maintenance steps are complex and time-consuming. If only a small fault in the control box needs to dismantle the whole electrical box, a large amount of time cost is wasted.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a box and an LED display screen to solve the problem of complicated maintenance steps of the existing LED display screen.

A cabinet, comprising:

a frame including first and second sides opposite in a first direction;

the electrical box comprises a box body and a cover body covering the box body, and the box body is movably connected to the frame;

when the box body is in the first state, the box body is positioned between the first side surface and the second side surface, and the cover body is positioned on one side of the box body facing the second side surface; when the box body is in the second state, at least part of the box body is positioned on one side of the frame with the first side surface, and a movable space for opening the cover body is formed between one side of the cover body covered by the box body and the first side surface of the frame.

In one embodiment, the box body has a connecting end and a movable end opposite to each other, the connecting end is connected with the frame in a matching mode, and the movable end is driven to rotate to a position between the first side face and the second side face of the frame or to a position on one side of the frame with the first side face in the process that the box body rotates around the connecting end relative to the frame.

In one embodiment, the box body is movable relative to the frame in the first direction during rotation of the box body relative to the frame about the connecting end.

In one embodiment, one of the connecting end of the box body and the frame is provided with a guide groove, the other one of the connecting end of the box body and the frame is provided with a guide post, the guide post is arranged in the guide groove in a penetrating manner, and the guide post can rotate in the guide groove and can move along the guide groove.

In one embodiment, the guide groove includes a first end and a second end as longitudinal ends thereof, the guide post is located at the first end of the guide groove when the case is in the first state, and the guide post is located at the second end of the guide groove when the case is in the second state.

In one embodiment, the first end of the guide groove is provided with an arc-shaped inner wall capable of being matched with the circumferential arc surface of the guide post, and when the box body is in the first state, a preset gap is formed between the arc-shaped inner wall and the circumferential arc surface of the guide post.

In one embodiment, the connecting end of the box body has a blocking surface, and when the box body is in the second state, the blocking surface abuts against the frame.

In one embodiment, the electrical box further comprises a fastener by which the box body is fixed to the frame when the box body is in the first state.

In one embodiment, one end of the cover body is hinged with the box body, and the other end of the cover body is detachably connected to the cover body through a buckle.

The LED display screen comprises an LED display module and the box body, wherein the LED display module is installed on a first side face.

Above-mentioned box accomodates the electrical component that LED display screen needs in the electrical apparatus box, can be when LED display screen normal work, accomodate the electrical apparatus box between first side and second side. When needs maintain the electrical apparatus box, can directly open the lid from the second side and maintain the electrical apparatus box, perhaps remove the electrical apparatus box and just enable the electrical apparatus box and expose on first side, the maintenance personal of being convenient for can open the lid from first side and maintain electrical apparatus box inside. Therefore, the electrical box can be conveniently maintained from two directions of the LED display screen, the maintenance steps are reduced, and the maintenance time is saved.

Drawings

FIG. 1 is a schematic structural diagram of a case according to an embodiment of the present invention;

FIG. 2 is a schematic view of the case of FIG. 1 in a second state;

FIG. 3 is a cross-sectional view of the housing of FIG. 2;

FIG. 4 is an enlarged schematic view at A in FIG. 3;

FIG. 5 is a schematic structural diagram of the electrical box of FIG. 1;

FIG. 6 is an exploded view of an LED display screen according to an embodiment of the present invention;

fig. 7 is a schematic structural view of the cartridge in fig. 5 in a first state.

A frame 10; a first side 11; a second side 12; a guide post 13; a cross member 14;

an appliance case 20; a box body 21; a connection end 211; a movable end 212; a cover 22; a guide groove 23; a blocking surface 25; a buckle 26;

and an LED display module 30.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating 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 the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 and 2, an embodiment of the present invention provides a box including a frame 10 and an electrical box 20.

The frame 10 is used for mounting the LED display module 30, and the electrical components of the LED display module 30 are all received in the electrical box 20. In order to facilitate the maintenance of the electrical components in the electrical box 20, the electrical box 20 includes a box body 21 and a cover 22 covering the box body 21, the electrical components are accommodated in the box body 21, and the electrical components can be maintained by opening the cover 22. It should be noted that the cover 22 may be fixed to the box 21 by a hinge or the like, so that the cover 22 is opened and closed by being turned over. Of course, the cover 22 may be opened and closed without being turned over, in other embodiments, when the cover 22 needs to be opened, the cover 22 is directly separated from the box 21, and the opening of the cover 22 may also be achieved, which is not limited herein.

The frame 10 includes a first side 11 and a second side 12 opposite to each other in the first direction, and the first side 11 is used for mounting the LED display module 30. In order to facilitate maintenance of the electrical box 20 from the first side 11 of the box body, the box body 21 of the electrical box 20 is movably connected to the frame 10, and when the electrical box 20 needs to be maintained, the user can open the cover 22 to maintain electrical components inside the electrical box 20 by driving the box body 21 to move relative to the frame 10 to a position where the cover 22 can be smoothly opened.

Wherein, the box body 21 includes a first state and a second state in the process of moving relative to the frame 10, and the maintenance personnel can be suitable for different maintenance environments by driving the box body 21 to move to different states. When the box body 21 is in the first state, the box body 21 is located between the first side surface 11 and the second side surface 12 of the frame 10, so that the first side surface 11 of the frame 10 is free for mounting the LED display module 30, and the cover 22 is located on the side of the box body 21 facing the second side surface 12, so that the cover 22 can be opened facing the second side surface 12. When maintenance personnel need to maintain the electrical box 20, the cover 22 can be directly opened at the second side surface 12 to maintain the components in the electrical box 20, so that the LED display module 30 mounted on the first side surface 11 of the frame 10 is prevented from being dismounted, and the maintenance operation is convenient and fast. In the embodiment of fig. 3 in particular, the first direction is a left-right direction.

In actual use, the use environment of the box 20 is complicated, for example, when the box 20 is placed against a wall, the second side 12 is abutted by the wall, and there is no space for maintenance personnel to maintain the second side 12. Thus, when a maintenance person needs to maintain the electrical box 20 from the first side surface 11, the LED display module 30 on the first side surface 11 is removed, and the box body 21 is driven to move to the second state, at least a portion of the box body 21 is located on the side of the frame 10 having the first side surface 11, and a moving space for opening the cover body 11 is formed between the side of the box body 21 covering the cover body 11 and the first side surface 11 of the frame 10. Thus, when the box body 21 is in the second state, the maintenance personnel can open the cover 11 on the first side 11 to perform maintenance on the electrical components inside the electrical box 20.

The box body stores electric elements required by the LED display screen in the electric appliance box 20, and can store the electric appliance box 20 between the first side surface 11 and the second side surface 12 when the LED display screen works normally. When the electrical box 20 needs to be repaired, the cover 22 can be directly opened from the second side 12 to repair the electrical box 20, or the box body 21 is driven to move until the cover 22 is exposed at the side of the frame 10 having the first side 11, so that a maintenance worker can open the cover 22 from the first side 11 to repair the inside of the electrical box 20. Therefore, the electrical box 20 can be conveniently maintained on the first side surface 11 and the second side surface 12 of the frame 10, so that the maintenance steps are reduced, and the maintenance time is saved.

In the embodiment of the present invention, the box body 21 has the opposite connecting end 211 and the movable end 212, and the connecting end 211 is coupled to the frame 10 so that the box body 21 can rotate around the connecting end 211 relative to the frame 10. During the process that the box body 21 rotates around the connecting end 211 relative to the frame 10, the movable end 212 can be driven to rotate to a position between the first side surface 11 and the second side surface 12 of the frame 10 (i.e. the first state) or a position on the side of the frame 10 having the first side surface 11 (i.e. the second state). In practical use, when a maintenance person needs to perform maintenance on the electrical box 20 from the first side 1, the box body 21 is rotated around the connecting end 211 relative to the frame 10, so that the position of the box body 21 is rotated from between the first side 11 and the second side 12 to the side of the frame 10 having the first side 11. In this way, the maintenance personnel can open the cover 22 directly from the first side 11. When the maintenance is completed, the case body 21 is rotated in a reverse direction such that the case body 21 is rotated between the first side 1 and the second side 22 of the frame 10, so that the electrical box 20 is received in the frame 10. The state of the box body 21 is changed in a rotating mode, the structure is simple, and the operation is convenient. Optionally, the coupling means of the connecting end 211 and the frame 10 is any one of the existing rotating connection means, such as a hinge, a rotating shaft, etc., and is not limited herein.

In some embodiments, to further facilitate the opening of cover 22 from first side 11 by a service person, cassette 21 is movable in a first direction relative to frame 10 during rotation of cassette 21 relative to frame 10 about attachment end 211. In this way, in the process that the movable end 212 of the box body 21 rotates around the connecting end 211 to the side of the frame 10 having the first side 11, the box body 21 is displaced in the first direction, so that the box body 21 protrudes from the first side 11 of the frame 10, giving the cover 22 a larger opening space. During the process that the movable end 212 of the box body 21 rotates around the connecting end 211 to between the first side 11 and the second side 12 of the frame 10, the box body 21 is reversely displaced in the first direction, so that the box body 21 is retracted from the first side 11 of the frame 10 to between the first side 11 and the second side 12. Alternatively, the moving manner of the box 21 relative to the frame 10 may be a sliding way, or other common moving manners, and is not limited herein.

In the embodiment, referring to fig. 4 and 5, one of the connection end 211 of the box body 21 and the frame 10 is provided with a guide groove 23, and the other is provided with a guide post 13. The guide post 13 is inserted into the guide slot 23, the guide post 13 can rotate in the guide slot 23 relative to the connecting end 211, and the guide post 13 can move along the guide slot 23. In actual use, the rotation and movement of the box 21 can be performed simultaneously, that is, when the box 21 moves along the guide groove 23, the box 21 also rotates around the guide post 13. In the embodiment shown in the drawings, the guide grooves 23 are formed on the connecting ends 211 of the case 21, and the guide posts 13 are fixedly connected to the frame 10.

In the embodiment, the guide groove 23 includes a first end and a second end as longitudinal ends thereof, and the guide post 13 is located at the first end of the guide groove 23 when the box body 21 is in the first state, and the guide post 13 is located at the second end of the guide groove 23 when the box body 21 is in the second state. The guide posts 13 and the guide grooves 23 can limit the rotation range of the box body 21 and can also play a supporting role for the box body 21. When the box body 21 is in the first state or the second state, the guide post 13 abuts against the end of the guide groove 23, and further, the box body 21 can be prevented from moving continuously.

Optionally, guide grooves 23 have been all seted up to the relative both sides of the link 211 of box body 21, be provided with on the frame 10 with two guide posts 13 of two guide grooves 23 one-to-one, every guide post 13 wears to locate a corresponding guide groove 23 for box body 21 is more nimble reliable around the rotation of guide post 13.

In the embodiment of the present invention, when the guide post 13 is located at the second end of the guide groove 23, the box 21 cannot move further but can rotate relative to the frame 10. To avoid the above problem, the connecting end 211 of the box body 21 has a blocking surface 25, and when the box body 21 is in the second state, the blocking surface 25 and the frame abut against each other to prevent the box body 21 from further rotating. At this time, the guide posts 13 are located at the second ends of the guide grooves 23, and the box body 21 is prevented from moving in other directions while the box body 21 is prevented from continuing to rotate through the limit of the guide grooves 23 and the guide posts 13. Therefore, the box body 21 can be stabilized in the second state, and maintenance personnel can conveniently maintain the electrical box 20.

In some embodiments, a cross member 14 is mounted to the frame 10. When the box body 21 is in the second state, the blocking surface 25 abuts against the cross beam 14, so that the box body 21 is stable in the second state.

In the embodiment, the cross beam 14 is located below the two guiding columns 13, and when the box body 21 moves to the second state through the guiding columns 13, the blocking surface 25 is parallel to the first side surface 11 and abuts against the cross beam 14, so that the cover body 22 can form 90 degrees with the first side surface 11 in the closed state, and a maintenance worker can conveniently open the cover body 22 to the maximum extent.

In the embodiment of the present invention, the case further includes a fastening member, and when the case 21 is moved to the first state, the case 21 is fixed to the frame 10 by the fastening member, preventing the case 21 from rotating when maintenance is not required. Alternatively, the fastener may be a bolt, a bit, a snap, or other common fastener.

In some embodiments, guide posts 13 are positioned at a first end of guide slots 23 when cassette 21 is moved to the first state and secured to frame 10. For the convenience of fixing, be provided with the arc inner wall 13 with the circumference cambered surface assorted of guide post 13 at the first end of guide way 23 to when guide post 13 is located the first end of guide way 23, arc inner wall 13 has a predetermined clearance with the axial cambered surface of guide post 13, make to make box body 21 have certain activity allowance at the in-process that utilizes the fastener to fix box body 21, avoid causing the transition to prescribe a limit to box body 21 and take place deformation, the fixed of the box body 21 of being more convenient for. When the box body 21 is installed, the guide groove 23 and the guide column 13 do not interfere with each other, so that the guide groove 23 is prevented from influencing the accuracy of fixing the box body 21 on the frame 10. Further, the clearance also makes it easier for the guide post 13 to fit into the guide groove 23.

In the embodiment of the present invention, one side of the cover 22 is hinged to the box 21, and the other side of the cover 22 is detachably disposed on the box 21 through a buckle 26. Thus, the maintenance personnel can open and close the cover 22 by operating the latch 26.

Referring to fig. 6 and 7, based on the above case, an embodiment of the present invention further provides an LED display screen, including an LED display module 30 and the case in any of the above embodiments, where the LED display module 30 is installed on the first side 11 of the frame 10. When the LED display screen needs to be maintained, if the second side surface 12 of the frame in the LED display module 30 is not shielded, a maintenance person can directly open the cover 22 of the box body 21 from the second side surface 12 of the LED display module 30 to maintain the electronic control unit in the box body 21. If the second side 12 of the LED display module 30 is blocked by a wall or the like, the maintenance personnel need to detach the LED display module 30 and drive the power box to the first side 11 of the frame 10, so as to open the cover 22 of the box body 21 to maintain the internal electronic control unit.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A cabinet, characterized in that the cabinet comprises:

a frame including first and second sides opposite in a first direction;

the electrical box comprises a box body and a cover body covering the box body, and the box body is movably connected to the frame;

when the box body is in the first state, the box body is positioned between the first side surface and the second side surface, and the cover body is positioned on one side of the box body facing the second side surface; when the box body is in the second state, at least part of the box body is positioned on one side of the frame with the first side surface, and a movable space for opening the cover body is formed between one side of the cover body covered by the box body and the first side surface of the frame.

2. The cabinet as claimed in claim 1, wherein the box body has a connecting end and a movable end opposite to each other, the connecting end is coupled to the frame, and the movable end is driven to rotate between the first side surface and the second side surface of the frame or to rotate to the side of the frame having the first side surface during the rotation of the box body around the connecting end relative to the frame.

3. The cabinet of claim 2, wherein the box is movable in the first direction relative to the frame during rotation of the box relative to the frame about the connection end.

4. The cabinet as claimed in claim 3, wherein one of the connection end of the box body and the frame is provided with a guide groove, and the other is provided with a guide post, the guide post is inserted into the guide groove, and the guide post can rotate in the guide groove and move along the guide groove.

5. The cabinet as claimed in claim 4, wherein the guide groove includes a first end and a second end as lengthwise ends thereof, the guide post is located at the first end of the guide groove when the box body is in the first state, and the guide post is located at the second end of the guide groove when the box body is in the second state.

6. The cabinet as claimed in claim 5, wherein the first end of the guide groove has an arc-shaped inner wall capable of being matched with a circumferential arc of the guide post, and when the box body is in the first state, the arc-shaped inner wall has a predetermined gap with the circumferential arc of the guide post.

7. The cabinet as claimed in claim 2, wherein the connection end of the box has a blocking surface which abuts against the frame when the box is in the second state.

8. The cabinet of claim 1, further comprising a fastener by which the box is secured to the frame when the box is in the first state.

9. The cabinet as claimed in claim 1, wherein one end of the cover is hinged to the box, and the other end of the cover is detachably connected to the cover by a buckle.

10. An LED display screen, characterized in that, including LED display module and the box of any one of claims 1 to 9, the LED display module is installed on the first side of the frame.

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