CN217035052U - Machine case structure and LED display screen applied by same - Google Patents

Abstract

The utility model provides a case structure and an LED display screen applied by the case structure, comprising: a box body; the cover body is connected with the box body in a covering mode, a power supply mounting hole is formed in the cover body, and the power supply module is embedded to supply power for the power utilization unit on the case. According to the utility model, the cover body is provided with the power supply mounting hole, and the power supply module is embedded into the power supply mounting hole, so that the flexible disassembly and assembly of the power supply of the LED display screen are realized; the avoidance holes are formed in the PCB, so that the PCB is prevented from shielding the LED display module mounting holes and the connecting piece, the convenience in mounting and dismounting the LED display module outside the case is improved, the maintenance operation is simplified, and the maintenance is more convenient; the arrangement of the step holes can prevent the connecting piece from falling along a gap between the PCB and the box body, so that the maintenance is more convenient and reliable; the improvement of aspects such as handle, wire casing on the lid for LED display screen installation, transport are more convenient, and the outward appearance is pleasing to the eye clean and tidy more.

Description

A case structure and its applied LED display screen

technical field

The utility model relates to the technical field of chassis, in particular to a chassis structure and an applied LED display screen.

Background technique

At present, LED display has been widely recognized and applied in many scenarios. According to different application scenarios, it can be subdivided into: indoor display, outdoor display, small-pitch display, full-color display and so on. Some LED displays are used in bad scenarios. For example, outdoor displays will encounter rain and snow, wind and sun, etc., and LED displays require frequent maintenance. For example, the power box is an important part of the LED display. The power failure of the LED display occurs from time to time. During maintenance, the rear case of the LED display needs to be removed before maintenance; When the module fails and needs to be disassembled and replaced, the PCB board needs to be disassembled first, and so on. Therefore, there is an urgent need to provide a case structure of an LED display screen that is easy to disassemble and maintain, so as to solve the above-mentioned problem of cumbersome maintenance operations.

Utility model content

In view of the above shortcomings of the prior art, the present invention provides a case structure and an applied LED display screen, which solves the problem of complicated maintenance and operation of the LED display screen in the prior art.

In order to achieve the above purpose and other related purposes, a first aspect of the present utility model provides a case structure, comprising: a case body; Embedded to power the powered units on the chassis.

In a preferred embodiment of the first aspect of the present invention, the cover body is further provided with a backup power supply installation hole, and a knockout hole cover is provided on the cover body for embedded installation of the backup power supply module after knocking.

In a preferred embodiment of the first aspect of the present invention, the cover body is provided with a wire slot for accommodating the wire harness of the chassis.

In a preferred embodiment of the first aspect of the present invention, the cover body is provided with a handle for the user to operate to disassemble and assemble the cover body.

In a preferred embodiment of the first aspect of the present invention, the power module is detachably connected to the box body or the cover body.

In a preferred embodiment of the first aspect of the present utility model, the wire groove is provided with a limiting component for fixing the wire harness in the groove.

In order to achieve the above purpose and other related purposes, a second aspect of the present invention provides an LED display screen, comprising: an LED display module; and the aforementioned chassis structure, which is connected to the LED display module.

In a preferred embodiment of the second aspect of the present invention, the LED display screen includes: a PCB board; the LED display module and the PCB board are fixedly connected to the outer and inner sides of the box, respectively; and the PCB Avoidance holes are provided on the board for the user to operate from the inside of the box to disassemble and assemble the LED display module.

In a preferred embodiment of the second aspect of the present invention, the box body is provided with a stepped hole, which communicates with the avoidance hole, and is used for connecting the LED display module and the LED display module through the avoidance hole and the stepped hole. the box.

In a preferred embodiment of the second aspect of the present invention, the box body is provided with a guide hole, the cross section of which gradually shrinks inward to guide the connecting piece connecting the box body and the LED display module.

As mentioned above, the present invention relates to a case structure and an LED display screen to which it is applied, and has the following beneficial effects: by opening a power supply installation hole on the cover body and embedding the power supply module in it, the power supply of the LED display screen can be realized. flexible disassembly and assembly; and by opening avoidance holes on the PCB board to avoid the PCB board from blocking the installation holes and connectors of the LED display module, thereby improving the convenience of disassembly and assembly of the LED display module on the outside of the chassis, simplifying maintenance operations and maintenance. It is more convenient; the setting of the step hole can prevent the connector from falling along the gap between the PCB board and the box body, making maintenance more convenient and reliable; the improvement of the handle and wire groove on the cover body makes the installation and handling of the LED display screen easier. More convenient, more beautiful and tidy appearance.

Description of drawings

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

FIG. 2 is a schematic structural diagram of a cover according to an embodiment of the present invention.

FIG. 3 is a schematic exploded view of the structure of an LED display screen according to an embodiment of the present invention.

FIG. 4 is a schematic diagram of the internal structure of an LED display screen according to an embodiment of the present invention.

FIG. 5 is an enlarged schematic diagram of a partial structure of an LED display screen according to an embodiment of the present invention.

FIG. 6 is an enlarged schematic diagram of another partial structure of an LED display screen according to an embodiment of the present invention.

Detailed ways

The embodiments of the present invention are described below by specific embodiments, and those who are familiar with the technology can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

It should be noted that the structures, proportions, sizes, etc. shown in the drawings in this specification are only used to cooperate with the contents disclosed in the specification, so as to be understood and read by those who are familiar with this technology, and are not used to limit the implementation of the present invention. Therefore, it has no technical significance, any modification of the structure, the change of the proportional relationship or the adjustment of the size, without affecting the effect that the utility model can produce and the purpose that can be achieved, should still be It falls within the scope that the technical content disclosed in the present invention can cover. The following detailed description should not be considered limiting, and the scope of embodiments of the invention is limited only by the claims of the issued patent. The terminology used herein is for the purpose of describing particular embodiments only, and is not intended to limit the present invention. Spatially related terms, such as "upper," "lower," "left," "right," "below," "below," "lower," "above," "upper," etc., may be used in the text for ease of description The relationship of one element or feature shown in the figures to another element or feature.

In the present utility model, unless otherwise expressly specified and limited, terms such as "installation", "connection", "connection", "fixation" and "retention" should be understood in a broad sense, for example, it may be a fixed connection, or It can be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Also, as used herein, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context dictates otherwise. It should be further understood that the terms "comprising", "comprising" indicate the presence of a stated feature, operation, element, component, item, kind, and/or group, but do not exclude one or more other features, operations, elements, components, The existence, appearance or addition of items, categories, and/or groups. The terms "or" and "and/or" as used herein are to be construed to be inclusive or to mean any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: A; B; C; A and B; A and C; B and C; A, B and C" . Exceptions to this definition arise only when combinations of elements, functions, or operations are inherently mutually exclusive in some way.

The utility model provides a case structure and an applied LED display screen, which can realize the direct disassembly of the power supply box without disassembling the rear shell, and the LED display module can be disassembled and assembled without disassembling the PCB board, which greatly simplifies the LED display. Daily maintenance of the screen.

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the technical solutions in the embodiments of the present utility model are further described in detail through the following embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

As shown in FIG. 1 , an embodiment of the present invention provides a case structure, which includes a case body 11 (a case frame) and a cover body 12 , and the cover body 12 covers the case body 11 . The cover body 12 is provided with a power supply installation hole 121 , and the power supply module 13 can be embedded in the power supply installation hole 121 , and then be detachably connected to the box body 11 , so as to provide power for each power consumption unit on the box. For example, when the chassis structure is applied to the LED display screen, the power supply module 13 can supply power to the LED light-emitting unit, PCB board or other circuit components on the chassis; when the chassis structure is applied to the instrument, the power supply module 13 can be used for each Instruments and meters are powered; when the chassis structure is applied to the fan, the power module 13 can also provide power for the fan to drive the fan to rotate, etc., which are not specifically limited in this embodiment.

Specifically, the way of connecting the case body 11 and the cover body 12 can be selected from snap connection, screw connection, pin connection, etc., and the case structure can be a plastic case, an alloy case, a composite material case, and the like. The power supply mounting hole 121 may be single or multiple, and is set according to the number of power supply modules required for practical applications. In this embodiment, a power supply installation hole is provided on the cover body 12, so that the user can directly disassemble and assemble the power supply module (power supply box) without disassembling the cover body, thereby simplifying the process steps of device maintenance and faulty power supply replacement. Convenient.

Preferably, the cover body 12 is provided with a plurality of power supply installation holes, that is, a backup power supply installation hole is provided, and the backup power supply installation hole is provided with a knockout hole cover 122. After the hole cover is knocked off, the backup power supply module can be installed The corresponding backup power supply mounting holes are embedded to supply power to the power consumption units in the chassis, and the backup power supply module is detachably connected to the box body. Multiple power supply mounting holes allow users to flexibly install power supply modules according to the needs of application scenarios, and multiple power supply modules can serve as backup power supplies for each other, improving the power supply stability of the device.

In some examples, the cover body 12 is closed on the box body 11 to form a cavity for accommodating corresponding accessories 14 , such as a PCB board, a heat sink, a power cord, etc. The PCB board is taken as an example in FIG. 1 . The accessories 14 are fixedly installed on the box body 11, and the cover body 12 is sealed with the box body 11 to protect the accessories in the chamber from external environment such as wind, rain, and sunlight, and prolong their service life.

Preferably, the fittings 14 and the box body 11 are fixedly connected by means of threaded connectors 15, and the box body 11 and the fittings 14 are provided with mounting holes corresponding to each other. The gradual contraction guides the threaded connection for a smoother and more efficient installation process.

As shown in FIG. 2 , an embodiment of the present invention provides a schematic diagram of the structure of a cover body. As can be seen from FIG. 2 , in a preferred implementation manner of this embodiment, a wire slot 123 is provided on the outer side of the cover body 12 , which can be used to accommodate a chassis. The wiring harnesses on the chassis, such as power cables, network cables, etc., fix and guide the wiring harnesses drawn from the chassis, so that the wiring harness layout is more tidy and reasonable, and at the same time, the wiring harnesses are prevented from being scratched. In Fig. 2, taking the evenly and symmetrically arranged wire troughs as an example, the two wire harnesses drawn out of the chassis are fixed, one of which is a power cable and the other is a network cable. This is only an exemplary illustration. The number, direction, type, etc. of the wire harnesses are not specifically limited.

Further, the wire groove 123 is also provided with a limiting component 1231 for restraining the wire harness, so as to prevent the wire harness from escaping from the wire groove. Specifically, the limiting component 1231 may be a component that can provide elastic clamping force to the wire harness in the wire slot. In some examples, the limiting component 1231 includes a protruding member disposed in the wire slot, which is connected to the inner wall of the wire slot through an elastic member, so that the elastic member that is compressed when the protruding member is squeezed and retreats can provide a The elastic force of the protrusion to reset.

2A in FIG. 2 is a partial enlarged schematic view of the wire slot, wherein a limit component 1231 is provided on one side wall of the wire slot 123, and the distance between the limit component and the other side wall of the wire slot is slightly smaller than the outer diameter of the wire harness, so that the wire harness is installed After entering the wire groove, the limit component exerts a clamping force on it. An example is as follows: In an example, the outer diameter of the power cord is 8mm, and correspondingly, the clamping point mechanism set in the power cord slot makes the distance between the clamping point mechanism and the other side wall of the power cord slot slightly smaller than 8mm (such as 7.5 mm). mm), when the power cord is installed in the slot, the clamping mechanism squeezes the power cord and exerts a clamping force on the power cord.

2B in FIG. 2 is a partially enlarged schematic view of another wire slot, wherein the two side walls of the wire slot 123 are oppositely provided with limit components 1231, and the distance between the opposite limit components on the two side walls is slightly smaller than the outer diameter of the wire harness, so that the wire harness After being installed in the wire groove, the limit components on the two side walls jointly exert a clamping force on the wire harness. An example is as follows: In an example, the outer diameter of the network cable is 5mm, and the distance between the clamping point mechanisms disposed oppositely on the two side walls in the network cable slot is slightly smaller than 5mm (eg, 4.5mm). When the network cable is loaded into the slot, the two-point mechanism is squeezed and exerts a clamping force on the network cable.

In other examples, the limiting component 1231 is an elastic member provided on the bottom and/or side wall of the groove of the wire slot, such as a rubber spring, a carbon spring, an alloy spring, a stainless spring, a copper alloy spring, and a nickel alloy spring and many more. When the wire harness is loaded into the wire groove, the elastic member is squeezed to exert a clamping force on the wire harness, thereby preventing the wire harness from falling off from the wire groove. Alternatively, the limiting component 1231 is a latch component disposed beside the wire slot. When the wire harness is installed in the wire slot, the adjustment latch component blocks or partially blocks the top of the wire slot, thereby preventing the wire harness from falling off the wire slot.

In a preferred implementation of this embodiment, the cover body 12 is provided with a handle 124 , and the user can disassemble and assemble the cover body 12 by operating the handle 124 . The arrangement of the handle 124 not only provides an operating point for the installation and disassembly of the cover body 12, but also can be used as a handle for carrying, which is convenient for the user to carry the rear cover and the chassis.

In FIG. 2 , the upper and lower ends of the cover body 12 are respectively provided with a pair of handles 124 , which are preferably symmetrically arranged to improve its aesthetics, and the symmetrical handles at both ends can improve the force balance of the handling or disassembly operation, and improve the use of the handle 124 . longevity and safety. In addition, the handle 124 and the cover body 12 are preferably integrally formed, which further improves the stability of the chassis structure and reduces the production cost. It should be noted that the number and position of handles can be adjusted according to the actual application scenario. For example, for a chassis with a larger area, the number of handles can be increased, handles can also be provided at the left and right ends, or handles can be provided at the upper, lower, left, and right ends. This embodiment There is no specific limitation on this.

In a preferred implementation of this embodiment, the power module 13 is detachably connected to the box body 11 , and specifically, a screw connection, a snap connection, a plug connection, a knob connection and the like can be selected. Alternatively, the detachable connection between the power module 13 and the cover body 12 also includes but is not limited to screw connection, snap connection, plug connection, knob connection and the like. Further, the power module can be detachably connected to the box body 11 and the cover body 12 respectively, so as to improve the stability of the structure and prevent the power module from falling off and affecting the normal power supply when one of the connectors fails.

As shown in FIG. 3 , another embodiment of the present invention provides a schematic exploded view of the structure of an LED display screen, which includes an LED display module 21 , a chassis 22 and a PCB board 23 ; wherein the chassis 22 includes a box body 11 and a cover body 12, and the cover body 12 is provided with a power supply mounting hole 121, and the power supply module 13 is embedded in the power supply mounting hole 121 to supply power to the PCB board and the LED display module 21 on the chassis. The structure of the chassis 22 in this embodiment is similar to that described above, and thus will not be repeated here.

As shown in FIG. 4 , this embodiment provides a schematic diagram of the internal structure of an LED display screen, wherein the cross sections B-B and C-C of the LED display screen are obtained along the dotted line B and the dotted line C, respectively. In a preferred implementation of this embodiment, the LED display module 21 and the PCB board 23 are fixedly connected to the outside and the inside of the box body 11 respectively, and the PCB board 23 is provided with an escape hole 231 for the user to remove from the box body The inner side of the LED display module is operated to disassemble and assemble the LED display module. In the existing case, the PCB board 23 will block some of the connecting parts between the LED display module 21 and the case body 11, so that the PCB board needs to be removed during the maintenance process of the LED display screen, and then the faulty display module can be removed. In this embodiment, by opening the avoidance holes 231 on the PCB board 23, the display module can be directly disassembled and assembled without disassembling the PCB board during maintenance, which greatly improves the convenience of maintenance and improves the work efficiency.

Further, FIG. 5 is an enlarged schematic view of the structure of the part 41 of the section C-C in FIG. 4 . In a preferred implementation of this embodiment, the box body 11 is provided with a stepped hole 111, which is communicated with the avoidance hole 231 for The connector 51 is connected to the LED display module 21 and the box body 11 through the avoidance hole 231 and the stepped hole 111 , that is, the LED display module is fixed to the box 22 . In this embodiment, by designing the stepped hole 111 , that is, the mounting hole of the display module on the box body 11 extends upward from the stepped wall to communicate with the avoidance hole of the PCB board, which can effectively prevent the connecting member 51 during the installation or removal of the LED display module 21 . (such as screws) fall from the gap between the PCB board 23 and the box body 11 .

Further, in addition to the mounting holes of the LED display module 21 covered by the PCB board, other positions of the box body 11 , such as the four corner steps, are also arranged with uncovered mounting holes of the LED display module 21 . FIG. 6 is an enlarged schematic view of the structure of the part 42 of the section B-B in FIG. 4 . In a preferred implementation of this embodiment, the box body 11 is provided with a guide hole 112 , and the cross section of the guide hole 112 gradually shrinks inward to facilitate the connection. The box body 11 is guided with the connector 61 of the LED display module 21 . The guide hole 112 has a certain slope and is in the shape of a truncated cone, which can make the assembly of the screw smoother and reduce the difficulty of installation.

To sum up, the case structure and the LED display screen to which it is applied proposed by the present utility model realizes the flexible disassembly and assembly of the power supply of the LED display screen by opening the power supply mounting hole on the cover body and embedding the power supply module therein. ; And by opening avoidance holes on the PCB board, the PCB board can avoid the shielding of the installation holes and connectors of the LED display module, thereby improving the convenience of disassembly and assembly of the LED display module outside the chassis. Therefore, the utility model effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

The above-mentioned embodiments merely illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present invention shall still be covered by the claims of the present invention.

Claims (10)

1. a chassis structure, is characterized in that, comprises: box; The cover body is connected with the box body, and a power supply installation hole is opened on the cover body, and the power supply module is embedded to supply power to the power consumption unit on the box body. 2 . The chassis structure according to claim 1 , wherein the cover body is further provided with a backup power supply installation hole, and a knock-out hole cover is provided on the cover body for embedded installation of the backup power supply module after knocking. 3 . 3 . The case structure according to claim 1 , wherein the cover body is provided with a wire slot for accommodating the wire harness of the case. 4 . 4 . The case structure according to claim 1 , wherein a handle is provided on the cover for a user to operate to disassemble and assemble the cover. 5 . 5 . The case structure according to claim 1 , wherein the power module is detachably connected to the case body or the cover body. 6 . 6 . The chassis structure according to claim 3 , wherein a limit component is provided on the wire slot for fixing the wire harness in the slot. 7 . 7. An LED display screen, characterized in that, comprising: LED display module; The chassis structure according to any one of claims 1 to 6 is connected to the LED display module. 8 . The LED display screen according to claim 7 , comprising: a PCB board; the LED display module and the PCB board are respectively fixedly connected to the outside and the inside of the box body; and the PCB board An escape hole is provided for the user to operate from the inside of the box to disassemble and assemble the LED display module. 9 . The LED display screen according to claim 8 , wherein the box body is provided with a stepped hole, which communicates with the avoidance hole, and is used for connecting the LED display to the connecting piece through the avoidance hole and the stepped hole. 10 . module and the box. 10 . The LED display screen according to claim 7 , wherein the box body is provided with a guide hole, and the cross section of the box body gradually shrinks inwardly so as to connect the connecting piece connecting the box body and the LED display module. 11 . guide.

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