CN110662374B

CN110662374B - Display screen box

Info

Publication number: CN110662374B
Application number: CN201911087256.XA
Authority: CN
Inventors: 彭彬; 傅高武; 彭岳棋
Original assignee: Hunan Minghe Opto Tech Co ltd
Current assignee: Hunan Minghe Opto Tech Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2024-09-24
Anticipated expiration: 2039-11-08
Also published as: CN110662374A

Abstract

The invention discloses a display screen box body, which comprises a connecting lock, a latch lock and a plurality of box body units, wherein each box body unit comprises a carbon fiber framework and a plurality of plastic blocks, each plastic block is respectively coated on the carbon fiber framework, a space is reserved between any two adjacent plastic blocks, the two horizontally and randomly adjacent box body units are connected through the latch lock, the two vertically and randomly adjacent box body units are connected through the connecting lock, the latch lock is connected between the plastic blocks of the two adjacent box body units, and the connecting lock is connected between the plastic blocks of the two adjacent box body units. The device has the characteristics of good heat dissipation, small light weight, low cost, high precision, no need of secondary processing and the like. The invention is applied to the technical field of LED boxes.

Description

Display screen box

Technical Field

The invention belongs to the technical field of LED boxes, and particularly relates to a display screen box.

Background

The existing LED box body is made of metal, and some LED box bodies are made of plastic, so that the defects of complex process, high cost, poor precision and the like exist in the LED box body made of metal; the LED box body made of plastic has the defects of poor heat dissipation, poor thermal stability, general precision, insufficient strength and the like.

The patent document with the publication number of CN204463719U discloses a bottom shell structure of an LED display screen module, which comprises a carbon fiber first shell and a second shell formed by injection molding, wherein the first shell is provided with a concave plane which is flat with the plane of an outer frame, a round hole and a thickened boss are arranged on the first shell, a graphene sheet is arranged on the surface of the boss, a square hole is arranged at the end part of the boss, and the graphene sheet extends to the outer surface through the square hole; the second inner shell is embedded with a nut structure, a waterproof structure, a wire seat hole and a screw hole, and the second outer shell is filled with plastic to form a square hole through which graphene passes.

The scheme of the above patent document discloses a carbon fiber first shell and a second shell formed by injection molding, but the structure of the bottom shell of the LED display screen module is complex, and the improvement on the technical problems is still not ideal.

Disclosure of Invention

The invention mainly aims to provide a display screen box body which has the characteristics of good heat dissipation, small light weight, low cost, high precision, no need of secondary processing and the like.

In order to achieve the above purpose, the invention provides a display screen box body, which comprises a connecting lock, a latch lock and a plurality of box body units, wherein the box body units comprise a carbon fiber framework and a plurality of plastic blocks, each plastic block is respectively coated on the carbon fiber framework, a space is reserved between any two adjacent plastic blocks, the two horizontally and randomly adjacent box body units are connected through the latch lock, the two vertically and randomly adjacent box body units are connected through the connecting lock, the latch lock is connected between the plastic blocks of the two adjacent box body units, and the connecting lock is connected between the plastic blocks between the two adjacent box body units.

The box body unit consists of the carbon fiber framework and a plurality of plastic blocks, and the carbon fiber framework has the advantages of firm structure, good strength, good heat dissipation, good heat stability, light weight and the like, and the plastic blocks have the characteristics of mature and simple process, low cost, free appearance design, suitability for complex structures, light weight and the like. The box body unit combines the two components, has the advantages of both components, and does not need secondary processing. The plastic block can be directly injection molded on the carbon fiber framework based on the carbon fiber framework, and the roughness, the precision and the like of the manufactured box body unit can meet the requirements. The plastic blocks are provided with intervals, so that the defect that the plastic blocks are easy to damage due to expansion caused by heat and contraction caused by cold is overcome. The box body has a simple structure, and compared with the LED box body made of a metal frame and the like, the box body reduces a lot of cost and weight.

In the invention, any vertical box units are connected by adopting the connecting lock, so that the connecting lock can bear larger bearing; the box units in any transverse direction are connected by adopting a latch lock, and the latch lock has the characteristics of better positioning, poorer bearing capacity and the like. The invention hereinafter discloses a preferred embodiment of the latch lock and the connection lock, but the connection lock and the latch lock of the invention are not limited to the following technical solutions, and other latch locks and connection locks capable of achieving similar effects can be applied to the solutions of the invention.

In the invention, as a further improvement of the technical scheme, the carbon fiber skeleton comprises four main pipes, the four main pipes are sequentially connected end to form a square frame, reinforcing pipes are connected between the two opposite main pipes, and plastic blocks are respectively coated on each main pipe and each reinforcing pipe. The carbon fiber skeleton of the square frame formed by four main pipes has the characteristic of being firm and convenient to form. The reinforcing tube has a reinforcing effect.

In the invention, as a further improvement of the technical scheme, the plastic block is provided with a magnet adsorption device. The magnet adsorption device is used for installing a box body and a module, such as a lamp bead and the like. Magnet attraction devices are commonly used for indoor installations.

In the invention, as a further improvement of the technical scheme, the plastic block is also provided with a screw connecting hole. The screw connection holes are used for installing the box body and the module, such as lamp beads and the like. The screw connection hole is generally used for outdoor installation, and general magnet adsorption equipment and screw connection hole connected mode are alternative, because outdoor installation is higher to the security requirement, outdoor general screw connection hole installation lamp house and module of adopting.

In the invention, as a further improvement of the technical scheme, the connecting lock comprises a first fixing device, a second fixing device, a buckle frame, a rotating frame and a first locking device;

The first fixing device comprises a first connecting rod and at least two first fixing seats, and the first fixing seats are sequentially connected through the first connecting rod; preferably, the number of the first fixing seats is two, and in the invention, the stability, the balance and the firmness of the first fixing device can be improved through the first connecting rod and the two first fixing seats.

The second fixing device comprises an adjusting device and at least two second fixing seats, and the second fixing seats are sequentially connected through the adjusting device; preferably, the number of the second fixing seats is two, and in the invention, the stability, the balance and the firmness of the second fixing device can be improved through the adjusting device and the two second fixing seats.

The rotating frame comprises a second connecting rod and at least two rotating rods, one end of each rotating rod is respectively and rotatably connected to each first fixing seat, and the other ends of the rotating rods are sequentially connected through the second connecting rod; preferably, the number of the rotating rods is two, and in the invention, the stability, the balance and the firmness of the rotating frame can be improved through the second connecting rods and the two rotating rods.

The clamping frame comprises a third connecting rod and at least two clamping rods, one ends of the clamping rods are respectively connected to the middle of the rotating rod in a rotating mode, the other ends of the clamping rods are bent towards the same direction to form first clamping parts, the clamping rods are sequentially connected through the third connecting rod, and the first clamping parts are respectively movably clamped on the second fixing seats; preferably, the number of the buckling rods is two, and in the invention, the stability, the balance and the firmness of the buckling frame can be improved through the third connecting rod and the two buckling rods.

The first locking device comprises a push rod and a first elastic element, the push rod is arranged along the axial frame of the rotating rod in a sliding way, a first hook and a handle are arranged on the push rod, and the first elastic element is propped against and arranged between one end of the push rod, which is close to the first rotating seat, and the rotating rod; the first elastic element is a spring, a sleeve rod is arranged at one end part of the pushing rod, which is close to the first rotating seat, and the first elastic element is sleeved on the sleeve rod. The box body unit where the first fixing device is arranged is provided with a second hook corresponding to the first hook. When the pushing rod is pushed by the handle, the first hook is leaned against the second hook and then is loosened, the first hook is hung on the second hook under the action of the elasticity of the first elastic element, and the first hook cannot easily fall off from the second hook due to the tension of the elasticity of the first elastic element.

The first fixing seats are provided with first fixing parts, each first fixing part is detachably connected with each first fixing seat, a first fixing through hole is formed between each first fixing part and each first fixing seat, and each first fixing through hole is opposite;

The second fixing seats are provided with second fixing parts, the second fixing parts are detachably connected with the second fixing seats respectively, second fixing through holes are formed between the second fixing parts and the second fixing seats respectively, and the second fixing through holes are opposite; the box body unit is provided with a fixed shaft, the first fixed seat is fixed on the fixed shaft of the box body unit through each first fixed through hole, and the second fixed seat is fixed on the fixed shaft of the other box body unit through the second fixed through holes.

The plastic block on the box body unit is also provided with a fixed shaft; one fixed shaft of the plastic blocks of two laterally arbitrary adjacent box units is fixed with a first fixed seat through a first fixed through hole, and the other fixed shaft is fixed with a second fixed seat through a second fixed through hole.

When two vertically adjacent box body units are connected, the first fixing base is fixed on the fixed shaft of the plastic block of one box body unit through the first fixing through hole, the second fixing base is fixed on the fixed shaft of the plastic block of the other box body unit through the second fixing through hole, and then the rotating rod is rotated, so that the first buckling part on the buckling rod is buckled on the second fixing base; and then the pushing rod in the first locking device is pushed to enable the first hook to be hooked on the second hook, so that the locking of the two vertical box body units can be completed. Because the first fixing device and the second fixing device are respectively fixed on the two unit boxes, when the buckling frame buckles on the second fixing frame, the connection of the two box units is firmer. Has the characteristics of simple structure, convenient disassembly and assembly, firm connection, convenient use and the like.

In the present invention, as a further improvement of the above technical solution, a second elastic element is disposed in the second fixing hole, one end of the second elastic element is connected to the second fixing seat, and the other end of the second elastic element extends toward the second fixing portion. The second elastic element is a spring, and when the fixed shaft is inserted into the second fixed through hole, the second elastic element, namely the spring, can be propped against the fixed shaft, and can apply certain pressure to the fixed shaft to prevent the deviation.

In the invention, as a further improvement of the technical scheme, the adjusting device comprises an adjusting piece and two adjusting rods, wherein a third through hole is formed in the second fixing part, the third through holes are opposite, the two adjusting rods are respectively inserted between the third through holes, the two adjusting rods are in butt joint through the adjusting rods, one end of each of the two adjusting rods, which is in butt joint, is respectively provided with an external thread, two sides of the adjusting piece are respectively provided with an internal thread, and the two adjusting rods are respectively connected with the adjusting piece through the external thread and the internal thread; the gap between the two adjusting rods can be controlled by screwing the adjusting piece, so that the gap between the box body units can be adjusted, the box body units with the gap adjusted are not the two box body units connected by the connecting lock, but other box body units adjacent to the box body units, and the common LED box body is formed by splicing and assembling a plurality of box body units.

The one end that the external screw thread was not established to two regulation poles is fixed the cover respectively and is equipped with the fender ring, the diameter of fender ring is greater than the diameter of third through-hole, still overlaps respectively on two regulation poles and is equipped with third elastic component, and two third elastic components are located respectively between corresponding fender ring and the corresponding third through-hole. The baffle ring is used for preventing the two adjusting rods from sliding out of the second fixing part. The third elastic element is a spring, and the spring generates elastic force between the baffle ring and the second fixing part, so that the adjusting rod and the second fixing part can be tensioned, and the whole LED box body is prevented from shaking. Preferably, the third elastic element is further sleeved with a sleeve for protecting the third elastic element and the internal structure thereof, and the whole appearance is more attractive.

According to the invention, as a further improvement of the technical scheme, the third through hole is square, one end of the adjusting rod, which is not provided with external threads, is detachably sleeved with a wedge corresponding to the third through hole, and the smaller end of the wedge is movably inserted into the third through hole; the wedge is clamped into the square third through hole, so that the adjusting rod and the second fixing part cannot rotate relatively, the adjusting rod and the second fixing part can be pre-tightened and fixed, and the whole second fixing seat, even the whole connecting seat and the LED box body cannot shake.

A stop lever is arranged at the end part of one bent end of the buckle rod, the stop lever is perpendicular to the buckle rod, and the stop lever is a first buckle part; the second fixing part is provided with a first clamping groove corresponding to the stop lever, and the clamping lever is movably clamped on the first clamping groove of the second fixing part through the stop lever; preferably, the stop lever is cylindrical, and the first clamping groove is semi-cylindrical. When the stop lever is clamped in the first clamping groove, the connecting lock locks the two box body units; when the buckle frame is lifted by the rotating frame, the stop lever also withdraws from the first clamping groove, so that the locked two box units can be detached, and the disassembly and the assembly are convenient.

The anti-skid device is characterized in that anti-skid patterns are arranged along the circumferential direction of the adjusting piece, adjusting holes are further formed in the adjusting piece, and the direction of each adjusting hole is arranged along the axial direction of the adjusting piece. The anti-skid patterns are in a strip shape, the adjusting piece is in a cylindrical shape, and the anti-skid patterns are axially arranged along the adjusting piece. Through the anti-skid lines, the adjusting piece is more convenient to screw, tools such as a screwdriver can be used for inserting the adjusting piece into the adjusting hole when necessary, and the adjusting piece can be screwed.

In the invention, as a further improvement of the technical scheme, the plastic block on the box body unit is also provided with a fixed seat, and the fixed seat is provided with a fixed hole;

The latch lock comprises a lock body, a latch device and a second locking device, wherein two ends of the lock body are respectively provided with a bulge, the bulges are positioned on the same side face of the lock body, and second buckling parts are respectively formed between the bulges and the two ends of the lock body; the bulges can be formed by bending the two ends of the lock body, and can be welded or connected to the two ends of the lock body in other modes respectively, so that the two ends of the lock body form buckling parts respectively.

The two ends of the lock body are respectively a first end of the lock body and a second end of the lock body;

the middle part of the lock body is hollowed out to form a hollowed-out part, the hollowed-out part extends to the first end of the lock body to enable the lock body to form two connecting beams, a first rotating shaft is connected between the two connecting beams, and the first rotating shaft is positioned at the first end of the lock body; the hollowed-out part can enable the bolt device to rotate 360 degrees around the first rotating shaft, and the operation is more convenient when the bolt device is connected to the box body unit. Of course, if the hollowed-out part is not provided, the latch device can also perform subsequent operation after the box body unit is connected, and the operation is not convenient, or certain requirements are set for the connecting hole of the box body unit. Preferably, if the latch device is raised above the top surface of the lock body, the operation is more convenient.

The bolt device comprises a bolt seat and a bolt, a second clamping groove is formed in the bolt seat, the bolt seat is rotatably clamped on the first rotating shaft through the second clamping groove, the bolt is inserted on the bolt seat, and the bolt can movably rotate to the hollowed-out part; correspondingly, the box body units are provided with connecting holes, and the two box body units can be initially connected and positioned by inserting the bolts into the connecting holes of the two box body units.

The bolt is inserted between the fixing seats on the two laterally arbitrarily adjacent box body units through the fixing holes;

the second locking device comprises a handle and a screw rod, one end of the screw rod is inserted into a protrusion at the second end of the lock body, the screw rod can movably extend towards the protrusion at the first end of the lock body, a positioning part is arranged at one end part of the screw rod, which is close to the first end of the lock body, the positioning part is a recess at the center of one end part of the first end of the lock body, the recess corresponds to the positioning part, and a protrusion corresponding to the positioning part is arranged on the box body unit. The handle is rotatably arranged at the other end of the screw rod. The protrusion at the second end of the lock body is also provided with an internal thread corresponding to the screw rod, the screw rod can be connected with the protrusion at the second end of the lock body through the internal thread, and can rotate in the protrusion at the second end of the lock body, and when the screw rod rotates, the screw rod can move towards the protrusion at the first end of the lock body and can also move reversely, so that the pre-tightening and the loosening are realized. The handle can rotate, and when the screw rod is screwed through the handle, the obstacle on the box body unit blocks the handle, so that the handle can be rotated for a certain angle, the screw rod is continuously screwed, and the operation is convenient. Preferably, the box unit is provided with a fixed shaft and a fixed seat respectively, the fixed seat is provided with a fixed hole, and the fixed seat is sleeved on the fixed shaft through the fixed hole. The connecting hole is arranged on the fixing seat, the bulge is arranged on the fixing seat of the box body unit close to the screw rod, and the bar-shaped key is arranged on the fixing seat of the box body unit close to the bolt.

When two laterally arbitrary adjacent box units are connected, firstly the bolts in the bolt devices are respectively inserted into the two fixing holes, so that the two box units are preliminarily connected and preliminarily positioned. The lock body is rotated again, so that the second buckles at two ends of the lock body respectively clamp the two box body units, and the screw rod of the second locking device extends towards the bulge at the first end of the lock body, so that the screw rod can be propped against the box body units, and the two box body units can be connected and locked.

Further improved, the first end of the lock body is also provided with a second rotating shaft, the second rotating shaft and the first rotating shaft are mutually parallel, the second rotating shaft is positioned below the first rotating shaft, two ends of the second rotating shaft respectively extend to the outer side of the connecting beam, two ends of the second rotating shaft are respectively sleeved with a clamping ring, and the clamping rings are positioned on the outer side of the connecting beam. The second rotation shaft can be rotatably arranged on one of the box body units, so that the lock body is rotatably connected to one of the box body units, and the clamping ring is used for preventing the second rotation shaft from sliding out of the box body unit.

Further improved, damping rings are respectively sleeved at two ends of the second rotating shaft, and the damping rings are positioned at the inner sides of the connecting beams. The damping ring is made of rubber and other materials, so that when the lock body rotates on the box body unit, a damping effect is generated, and the lock body can rotate on the box body unit and stay at any angle without external force.

Further improved, the tail end of the bolt is provided with a guide part. The tail end of the bolt is provided with a round angle, the round angle is a guide part, and the guide part is convenient when the bolt is inserted into the connecting hole of the box body unit.

Further improved, the bolt is sleeved with an elastic element. The elastic element is positioned on the spring, the spring can be used for pre-tightening, and when the spring is locked, the compression force can be formed on the two box body units, so that the box body units are connected more tightly.

Further improved, the surface of bolt is equipped with the keyway, the keyway sets up along the bolt axial, and corresponding, still be equipped with corresponding bar key on the box unit respectively, when the bolt is connected in two box units, bar key still blocks in the keyway, realizes the effect of pretension.

Further improved, a clamping key is arranged in the key groove, when the bolt is inserted on the bolt seat, the key groove extends to the inside of the bolt seat, and the clamping key is clamped between the bolt and the bolt seat through the key groove. The clamping key is used for pre-tightening the bolt and the bolt seat, so that the bolt and the bolt seat are connected more tightly.

Compared with the prior art, the technical scheme of the invention has the beneficial effects that:

In the invention, any vertical box units are connected by adopting the connecting lock, so that the connecting lock can bear larger bearing; the box units in any transverse direction are connected by adopting a latch lock, and the latch lock has the characteristics of better positioning, poorer bearing capacity and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a deadbolt lock;

FIG. 2 is a front view of the deadbolt;

FIG. 3 is a top view of the deadbolt;

FIG. 4 is a schematic diagram of a display screen;

FIG. 5 is an enlarged schematic view of the portion identified in FIG. 4;

FIG. 6 is a schematic structural view of the second locking device;

FIG. 7 is a schematic view of the structure of the two third fixing bases in section;

Fig. 8 is a perspective view of the connection lock (the internal structure of the second holder can be seen);

FIG. 9 is a perspective view of the other view of FIG. 8;

FIG. 10 is another perspective view of the attachment lock (the internal structure of the locking device can be seen);

FIG. 11 is a front view of the connection lock;

FIG. 12 is a schematic diagram illustrating a connection relationship between the second fixing base and the second fixing portion;

Fig. 13 is a schematic structural view of a carbon fiber skeleton.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two or more, for example, three or the like, unless specifically defined otherwise.

In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.

As shown in fig. 1 to 13, a display screen box body comprises a connecting lock 101, a latch lock 102 and a plurality of box body units 4, wherein each box body unit 4 comprises a carbon fiber framework 46 and a plurality of plastic blocks 47, each plastic block 47 is respectively coated on the carbon fiber framework 46, a space is reserved between any two adjacent plastic blocks 47, two horizontally and randomly adjacent box body units 4 are connected through the latch lock 102, two vertically and randomly adjacent box body units 4 are connected through the connecting lock 101, the latch lock 102 is connected between the plastic blocks 47 of two adjacent box body units 4, and the connecting lock 101 is connected between the plastic blocks 47 between two adjacent box body units 4.

The box unit 4 of the embodiment is composed of a carbon fiber framework 46 and a plurality of plastic blocks 47, wherein the carbon fiber framework 46 has the advantages of firm structure, good strength, good heat dissipation, good thermal stability, light weight and the like, and the plastic blocks 47 have the characteristics of mature and simple process, low cost, free appearance design, suitability for complex structures, light weight and the like. The case unit 4 of the present embodiment combines the two, and has the advantages of both, and the case unit 4 is manufactured without secondary processing. The plastic block 47 can be directly injection molded on the carbon fiber skeleton 46 based on the carbon fiber skeleton 46, and the roughness, the precision and the like of the manufactured box body unit 4 can meet the requirements. The spaces among the plastic blocks 47 overcome the defect that the plastic blocks 47 are easy to damage due to expansion and contraction. The box in this embodiment has a simple structure, and compared with an LED box made of a metal frame or the like, the box reduces a lot of cost and weight.

In this embodiment, any vertical box units 4 are connected by adopting the connection lock 101, and the connection lock 101 can bear larger bearing; the box units 4 in any transverse direction are connected by adopting the latch locks 102, and the latch locks 102 have the characteristics of better positioning, poorer bearing capacity and the like. In the following, a preferred embodiment of the latch lock 102 and the connection lock 101 is disclosed, but the connection lock 101 and the latch lock 102 of the present embodiment are not limited to the following technical solutions, and other latch locks 102 and connection locks 101 that can achieve similar effects may be applied to the solutions of the present embodiment.

In this embodiment, as a further improvement of the above technical solution, the carbon fiber skeleton 46 includes four main pipes 461, the four main pipes 461 are sequentially connected end to form a square frame, a reinforcing pipe 462 is further connected between two opposite main pipes 461, and each main pipe 461 and each reinforcing pipe 462 are respectively coated with a plastic block 47. The carbon fiber skeleton 46 of the square frame composed of four main pipes 461 has the characteristic of being firm and convenient to compose. The reinforcing tube 462 has a reinforcing effect.

In this embodiment, as a further improvement of the above technical solution, the plastic block 47 is provided with a magnet adsorption device. The magnet adsorption device is used for installing a box body and a module, such as a lamp bead and the like. Magnet attraction devices are commonly used for indoor installations.

In this embodiment, as a further improvement of the above technical solution, the plastic block 47 is further provided with a screw connection hole. The screw connection holes are used for installing the box body and the module, such as lamp beads and the like. The screw connection hole is generally used for outdoor installation, and general magnet adsorption equipment and screw connection hole connected mode are alternative, because outdoor installation is higher to the security requirement, outdoor general screw connection hole installation lamp house and module of adopting.

In this embodiment, as a further improvement of the above technical solution, the connection lock 101 includes a first fixing device 5, a second fixing device 6, a buckle frame 7, a rotating frame 8, and a first locking device 9;

The first fixing device 5 comprises a first connecting rod 51 and at least two first fixing seats 52, and each first fixing seat 52 is sequentially connected with the first connecting rod 51; preferably, the number of the first fixing seats 52 is two, in this embodiment, the number of the first fixing seats 52 is two, and the stability, balance and firmness of the first fixing device 5 can be improved through the first connecting rod 51 and the two first fixing seats 52.

The second fixing device 6 comprises an adjusting device 61 and at least two second fixing seats 62, and each second fixing seat 62 is sequentially connected through the adjusting device 61; preferably, the number of the second fixing seats 62 is two, in this embodiment, the number of the second fixing seats 62 is two, and the stability, balance and firmness of the second fixing device 6 can be improved through the adjusting device 61 and the two second fixing seats 62.

The rotating frame 8 comprises a second connecting rod 81 and at least two rotating rods 82, one end of each rotating rod 82 is respectively and rotatably connected to each first fixed seat 52, and the other ends of the rotating rods 82 are sequentially connected through the second connecting rod 81; preferably, the number of the rotating rods 82 is two, in this embodiment, the number of the rotating rods 82 is two, and the stability, balance and firmness of the rotating frame 8 can be improved by the second connecting rod 81 and the two rotating rods 82.

The fastening frame 7 comprises a third connecting rod 71 and at least two fastening rods 72, one ends of the fastening rods 72 are respectively connected to the middle part of the rotating rod 82 in a rotating way, the other ends of the fastening rods 72 are bent towards the same direction to form first fastening parts, the fastening rods 72 are sequentially connected through the third connecting rod 71, and the first fastening parts are respectively movably fastened on the second fixing seats; preferably, the number of the buckling rods 72 is two, in this embodiment, the number of the buckling rods 72 is two, and the stability, balance and firmness of the buckling frame 7 can be improved through the third connecting rod 71 and the two buckling rods 72.

The first locking device 9 comprises a push rod 91 and a first elastic element 92, the push rod 91 is axially arranged in a sliding way along the rotating rod 82, the push rod 91 is provided with a first hook 93 and a first handle 94, and the first elastic element 92 is propped against between one end of the push rod 91, which is close to the first rotating seat, and the rotating rod 82; the first elastic element 92 is a spring, and a sleeve rod 95 is arranged at one end of the push rod 91 close to the first rotating seat, and the first elastic element 92 is sleeved on the sleeve rod 95. The box unit 4 where the first fixing device 5 is located is provided with a second hook 41 corresponding to the first hook 93. When the push rod 91 is pushed by the first handle 94, the first hook 93 is abutted against the second hook 41 and then released, the first hook 93 is hung on the second hook 41 under the elastic force of the first elastic member 92, and the first hook 93 is not easily separated from the second hook 41 due to the tension of the elastic force of the first elastic member 92.

The first fixing bases 52 are provided with first fixing portions 53, each first fixing portion 53 is detachably connected with each first fixing base 52, a first fixing through hole 54 is formed between each first fixing portion 53 and each first fixing base 52, and each first fixing through hole 54 is opposite;

The second fixing base 62 is provided with second fixing portions 63, each second fixing portion 63 is detachably connected with each second fixing base 62, a second fixing through hole 64 is formed between each second fixing portion 63 and each second fixing base 62, and each second fixing through hole 64 is opposite; the case unit 4 is provided with a first fixing shaft 42, the first fixing base 52 is fixed to the first fixing shaft 42 of the case unit 4 through each first fixing through hole 54, and the second fixing base 62 is fixed to the first fixing shaft 42 of the other case unit 4 through the second fixing through hole 64.

The plastic block 47 on the box unit 4 is also provided with a first fixed shaft 42; one first fixing shaft 42 on the plastic block 47 of any two laterally adjacent box units 4 is fixed with a first fixing base 52 through a first fixing through hole 54, and the other first fixing shaft 42 is fixed with a second fixing base 62 through a second fixing through hole 64.

When two vertically adjacent box body units 4 are connected, the first fixing base 52 is fixed on the first fixing shaft 42 of the plastic block 47 of one box body unit 4 through the first fixing through hole 54, the second fixing base 62 is fixed on the first fixing shaft 42 of the plastic block 47 of the other box body unit 4 through the second fixing through hole 64, and then the rotating rod 82 is rotated, so that the first buckling part on the buckling rod 72 is buckled on the second fixing base 62; the first hook 93 is hung on the second hook 41 by pushing the pushing rod 91 in the first locking device 9, so that the locking of the two vertical box units 4 can be completed. Because the first fixing device 5 and the second fixing device 6 are respectively fixed on the two unit boxes, when the buckling frame 7 is buckled on the second fixing frame, the connection of the two box units 4 is firm. Has the characteristics of simple structure, convenient disassembly and assembly, firm connection, convenient use and the like.

In this embodiment, as a further improvement of the above technical solution, the second fixing hole 64 is provided with a second elastic element 65, one end of the second elastic element 65 is connected to the second fixing seat 62, and the other end of the second elastic element 65 extends toward the second fixing portion 63. When the first fixing shaft 42 is inserted into the second fixing hole 64, the second elastic member 65, that is, the spring can be abutted against the first fixing shaft 42, and a certain pressure can be applied to the first fixing shaft 42, thereby preventing the occurrence of the offset.

In this embodiment, as a further improvement of the above technical solution, the adjusting device 61 includes an adjusting member 611 and two adjusting rods 612, the second fixing portion 63 is provided with a third through hole 66, the third through holes 66 are opposite, the two adjusting rods 612 are respectively inserted between the third through holes 66, the two adjusting rods 612 are butted by the adjusting rods 612, one ends of the two adjusting rods 612 butted by each other are respectively provided with external threads, two sides of the adjusting member 611 are respectively provided with internal threads, and the two adjusting rods 612 are respectively connected with the adjusting member 611 by the external threads and the internal threads; the gap between the two adjusting bars 612 can be controlled by screwing the adjusting member 611, so that the gap between the case units 4 can be adjusted, and the case unit 4 with the gap adjusted here is not the two case units 4 connected by the connection lock 101, but the other case units 4 adjacent to the case unit 4, and the LED case is typically assembled by splicing a plurality of case units 4.

The end of the two adjusting rods 612, which is not provided with external threads, is fixedly sleeved with a baffle ring 613 respectively, the diameter of the baffle ring 613 is larger than that of the third through hole 66, the two adjusting rods 612 are also sleeved with third elastic elements 614 respectively, and the two third elastic elements 614 are located between the corresponding baffle ring 613 and the corresponding third through hole 66 respectively. The blocking ring 613 is provided to prevent the two adjusting bars 612 from sliding out of the second fixing portion 63. The third elastic member 614 is a spring that generates an elastic force between the blocking ring 613 and the second fixing portion 63, and can tighten the adjusting lever 612 and the second fixing portion 63, preventing the entire LED case from shaking. Preferably, the third elastic element 614 is further sleeved with a sleeve 615 for protecting the third elastic element 614 and its internal structure, and making the whole appearance more beautiful.

In this embodiment, as a further improvement of the above technical solution, the third through hole 66 is square, a wedge 67 corresponding to the third through hole 66 is detachably sleeved at an end of the adjusting rod 612, where no external thread is provided, and a smaller end of the wedge 67 is movably inserted into the third through hole 66; the wedge 67 is clamped into the square third through hole 66, so that the adjusting rod 612 and the second fixing part 63 cannot rotate relatively, the pretightening and fixing of the adjusting rod 612 and the second fixing part 63 can be realized, and the whole second fixing seat 62, even the whole connecting seat and the LED box body cannot shake.

A stop lever 73 is arranged at the end part of the bent end of the clamping rod 72, the stop lever 73 is perpendicular to the clamping rod 72, and the stop lever 73 is a first clamping part; the second fixing portion 63 is provided with a first clamping groove 631 corresponding to the stop lever 73, and the clamping rod 72 is movably clamped on the first clamping groove 631 of the second fixing portion 63 through the stop lever 73; preferably, the stop lever 73 is cylindrical, and the first locking groove 631 is semi-cylindrical. When the stop lever 73 is clamped in the first clamping groove 631, the connecting lock 101 locks the two box units 4; when the buckle frame 7 is lifted up by the rotating frame 8, the stop lever 73 also withdraws from the first clamping groove 631, so that the locked two box body units 4 can be detached, and the disassembly and the assembly are convenient.

The anti-skid patterns 616 are arranged along the circumference of the adjusting piece 611, the adjusting piece 611 is also provided with adjusting holes 617, and the direction of the adjusting holes 617 is along the axial direction of the adjusting piece 611. The anti-skid stripes 616 are bar-shaped, the adjusting member 611 is cylindrical, and the anti-skid stripes 616 are axially arranged along the adjusting member 611. By means of the anti-slip threads 616, it is easier to screw the adjustment member 611, if necessary, a tool such as a screwdriver can be inserted into the adjustment hole 617, and the adjustment member 611 can be tightened.

In this embodiment, as a further improvement of the above technical solution, the plastic block 47 on the box unit 4 is further provided with a third fixing seat 45, and the third fixing seat 45 is provided with a connecting hole 48;

The latch lock 102 comprises a lock body 1, a latch device 2 and a second locking device 3, wherein two ends of the lock body 1 are respectively provided with a protrusion 11, the protrusions 11 are positioned on the same side face of the lock body 1, and second buckling parts are respectively formed between the protrusions 11 and the two ends of the lock body 1; the protrusions 11 in this embodiment may be formed by bending two ends of the lock body 1, or may be welded or connected to two ends of the lock body 1 by other means, so that two ends of the lock body 1 form second fastening portions respectively.

The two ends of the lock body 1 are respectively a first lock body end 12 and a second lock body end 13;

the middle part of the lock body 1 is hollowed into a hollowed part 14, the hollowed part 14 extends to the first end 12 of the lock body to enable the lock body 1 to form two connecting beams 15, a first rotating shaft 16 is connected between the two connecting beams 15, and the first rotating shaft 16 is positioned at the first end 12 of the lock body; the hollowed-out part 14 can enable the bolt device 2 to rotate 360 degrees around the first rotating shaft 16, and when the bolt device 2 is connected to the box body unit 4, the operation is more convenient. Of course, if the hollowed-out portion 14 is not provided, the latch device 2 can also perform subsequent operations after the box unit 4 is connected, but the operation is not convenient, or certain requirements are set for the connection hole 48 of the box unit 4. Preferably, if the latch device 2 is raised above the top surface of the lock body 1, the operation is more convenient.

The bolt device 2 comprises a bolt seat 21 and a bolt 22, a second clamping groove 211 is formed in the bolt seat 21, the bolt seat 21 is rotatably clamped on the first rotating shaft 16 through the second clamping groove 211, the bolt 22 is inserted on the bolt seat 21, and the bolt 22 can movably rotate to the hollowed-out part 14; correspondingly, the box body units 4 are provided with connecting holes 48, and the two box body units 4 can be initially connected and positioned by inserting the bolts 22 into the connecting holes 48 of the two box body units 4.

The bolt 22 is inserted between the third fixing seats 45 on the two laterally arbitrarily adjacent box body units 4 through the connecting holes 48;

The second locking device 3 comprises a second handle 31 and a screw rod 32, one end of the screw rod 32 is inserted on the protrusion 11 of the second end 13 of the lock body, the screw rod 32 can movably extend towards the protrusion 11 of the first end 12 of the lock body, a positioning part 321 is arranged at one end part of the screw rod 32, which is close to the first end 12 of the lock body, the positioning part 321 is a recess at the center of one end part of the first end 12 of the lock body, and the corresponding protrusion 11 is arranged on the box body unit 4. The second handle 31 is rotatably provided at the other end of the screw 32. The protrusion 11 of the second end 13 of the lock body is also provided with an internal thread corresponding to the screw rod 32, the screw rod 32 can be connected with the protrusion 11 of the second end 13 of the lock body through the internal thread, and can rotate in the protrusion 11 of the second end 13 of the lock body, and when the screw rod rotates, the screw rod 32 can move towards the protrusion 11 of the first end 12 of the lock body and can also move reversely, so that the pre-tightening and the loosening are realized. The second handle 31 can rotate, when the screw 32 is screwed by the second handle 31, the second handle 31 can be rotated by a certain angle by blocking the second handle 31 by the obstacle on the box unit 4, and the screw 32 is continuously screwed, so that the operation is convenient. Preferably, the box unit 4 is provided with a second fixed shaft 44 and a third fixed seat 45, the third fixed seat 45 is provided with a connecting hole 48, and the third fixed seat 45 is sleeved on the second fixed shaft 44 through the connecting hole 48. The connection hole 48 is provided on the third fixing base 45, the protrusion 11 is provided on the third fixing base 45 of the case unit 4 near the screw 32, and the bar key 49 is provided on the third fixing base 45 of the case unit 4 near the latch 22.

When two laterally adjacent box units 4 are connected, firstly, the bolts 22 in the bolt devices 2 are respectively inserted into the two connecting holes 48, so that the two box units 4 are preliminarily connected and preliminarily positioned. The lock body 1 is rotated again, so that the second buckles at the two ends of the lock body 1 respectively clamp the two box body units 4, and the screw rod 32 of the second locking device 3 extends towards the bulge 11 at the first end 12 of the lock body, so that the screw rod 32 can be propped against the box body units 4, and the two box body units 4 can be connected and locked 101.

Further improved, the first end 12 of the lock body is further provided with a second rotating shaft 19, the second rotating shaft 19 and the first rotating shaft 16 are parallel to each other, the second rotating shaft 19 is located below the first rotating shaft 16, two ends of the second rotating shaft 19 extend to the outer sides of the connecting beams 15 respectively, two ends of the second rotating shaft 19 are sleeved with snap rings 17 respectively, and the snap rings 17 are located on the outer sides of the connecting beams 15. The second rotation shaft 19 is rotatably provided on one of the casing units 4 so that the lock body 1 is rotatably coupled to one of the casing units 4, and the retainer ring 17 is provided to prevent the second rotation shaft 19 from slipping out of the casing unit 4.

Further improved, two ends of the second rotating shaft 19 are respectively sleeved with damping rings 18, and the damping rings 18 are positioned on the inner side of the connecting beam 15. The damping ring 18 is made of rubber or other materials, so that when the lock body 1 rotates on the box body unit 4, a damping effect is generated, and the lock body 1 can rotate on the box body unit 4 and stay at any angle without external force.

Further improved, the end of the bolt 22 is provided with a guiding part 221. The end of the latch 22 is rounded, that is, the guide 221, and the guide 221 facilitates the insertion of the latch 22 into the connection hole 48 of the housing unit 4.

Further improved, the bolt 22 is sleeved with a fourth elastic element 23. The fourth elastic element 23 is a spring, the spring can be used for pre-tightening, and when the spring is locked, a pressing force can be formed on the two box body units 4, so that the box body units 4 are connected more tightly.

Further improved, the surface of the bolt 22 is provided with a key groove 222, the key groove 222 is axially arranged along the bolt 22, corresponding bar keys 49 are respectively arranged on the box body units 4, and when the bolt 22 is connected in the two box body units 4, the bar keys 49 are clamped in the key groove 222, so that the pre-tightening effect is realized.

Further improved, the key groove 222 is provided with a clamping key 24, when the bolt 22 is inserted into the bolt seat 21, the key groove 222 extends into the bolt seat 21, and the clamping key 24 is clamped between the bolt 22 and the bolt seat 21 through the key groove 222. The latch 24 is used for pre-tightening the latch 22 and the latch seat 21, so that the connection between the latch 22 and the latch seat 21 is more tight.

The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the specification and drawings of the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.

Claims

1. The display screen box body is characterized by comprising a connecting lock, a bolt lock and a plurality of box body units, wherein each box body unit comprises a carbon fiber framework and a plurality of plastic blocks, each plastic block is respectively coated on the carbon fiber framework, a space is reserved between any two adjacent plastic blocks, the two horizontally and randomly adjacent box body units are connected through the bolt lock, the two vertically and randomly adjacent box body units are connected through the connecting lock, the bolt lock is connected between the plastic blocks of the two adjacent box body units, and the connecting lock is connected between the plastic blocks between the two adjacent box body units;

the connecting lock comprises a first fixing device, a second fixing device, a buckle frame, a rotating frame and a locking device;

the first fixing device comprises a first connecting rod and at least two first fixing seats, and the first fixing seats are sequentially connected through the first connecting rod;

the second fixing device comprises an adjusting device and at least two second fixing seats, and the second fixing seats are sequentially connected through the adjusting device;

The rotating frame comprises a second connecting rod and at least two rotating rods, one end of each rotating rod is respectively and rotatably connected to each first fixing seat, and the other ends of the rotating rods are sequentially connected through the second connecting rod;

The clamping frame comprises a third connecting rod and at least two clamping rods, one ends of the clamping rods are respectively connected to the middle of the rotating rod in a rotating mode, the other ends of the clamping rods are bent towards the same direction to form first clamping parts, the clamping rods are sequentially connected through the third connecting rod, and the first clamping parts are respectively movably clamped on the second fixing seats;

The locking device comprises a push rod and a first elastic element, the first elastic element is a spring, the push rod is arranged along the axial frame of the rotating rod in a sliding way, a first hook and a handle are arranged on the push rod, and the first elastic element is propped against and arranged between one end of the push rod, which is close to the first rotating seat, and the rotating rod;

The second fixing seats are provided with second fixing parts, the second fixing parts are detachably connected with the second fixing seats respectively, second fixing through holes are formed between the second fixing parts and the second fixing seats respectively, and the second fixing through holes are opposite;

2. The display screen box according to claim 1, wherein the carbon fiber skeleton comprises four main pipes, the four main pipes are connected end to end in sequence to form a square frame, reinforcing pipes are connected between the two opposite main pipes, and plastic blocks are respectively coated on each main pipe and each reinforcing pipe.

3. The display screen case of claim 1 wherein the plastic block is provided with a magnet attachment means.

4. The display screen box of claim 1, wherein the plastic block is further provided with screw connection holes.

5. The display screen box body according to claim 1, wherein a second elastic element is arranged in the second fixing through hole, one end of the second elastic element is connected to the second fixing base, and the other end of the second elastic element extends towards the second fixing portion.

6. The display screen box body according to claim 1, wherein the adjusting device comprises an adjusting piece and two adjusting rods, the second fixing part is provided with third through holes, the third through holes are opposite, the two adjusting rods are respectively inserted between the third through holes, the two adjusting rods are in butt joint through the adjusting rods, one ends of the two adjusting rods in butt joint are respectively provided with external threads, two sides of the adjusting piece are respectively provided with internal threads, and the two adjusting rods are respectively connected with the adjusting piece through the external threads and the internal threads;

The one end that the external screw thread was not established to two regulation poles is fixed the cover respectively and is equipped with the fender ring, the diameter of fender ring is greater than the diameter of third through-hole, still overlaps respectively on two regulation poles and is equipped with third elastic component, and two third elastic components are located respectively between corresponding fender ring and the corresponding third through-hole.

7. The display screen box body according to claim 6, wherein the third through hole is square, a wedge corresponding to the third through hole is detachably sleeved at one end of the adjusting rod, which is not provided with external threads, and the smaller end of the wedge is movably inserted into the third through hole;

A stop lever is arranged at the end part of one bent end of the buckle rod, the stop lever is perpendicular to the buckle rod, and the stop lever is a first buckle part; the second fixing part is provided with a clamping groove corresponding to the stop lever, and the clamping rod is movably clamped on the clamping groove of the second fixing part through the stop lever;

The anti-skid device is characterized in that anti-skid patterns are arranged along the circumferential direction of the adjusting piece, adjusting holes are further formed in the adjusting piece, and the direction of each adjusting hole is arranged along the axial direction of the adjusting piece.

8. The display screen box body according to claim 1, wherein the plastic block on the box body unit is further provided with a fixing seat, and a connecting hole is formed in the fixing seat;

The latch lock comprises a lock body, a latch device and a locking device, wherein two ends of the lock body are respectively provided with a bulge, the bulges are positioned on the same side face of the lock body, and second buckling parts are respectively formed between the bulges and the two ends of the lock body;

the middle part of the lock body is hollowed out to form a hollowed-out part, the hollowed-out part extends to the first end of the lock body to enable the lock body to form two connecting beams, a first rotating shaft is connected between the two connecting beams, and the first rotating shaft is positioned at the first end of the lock body;

The bolt device comprises a bolt seat and a bolt, wherein a clamping groove is formed in the bolt seat, the bolt seat is rotatably clamped on a first rotating shaft through the clamping groove, the bolt is inserted on the bolt seat, and the bolt can movably rotate to the hollowed-out part;

The bolt is inserted between the fixing seats on the two laterally arbitrarily adjacent box body units through the connecting hole;

the locking device comprises a handle and a screw rod, one end of the screw rod is inserted into a protrusion at the second end of the lock body, the screw rod can movably extend towards the protrusion at the first end of the lock body, a positioning part is arranged at one end part of the screw rod, which is close to the first end of the lock body, and the handle is rotatably arranged at the other end of the screw rod.

9. The display screen box body according to claim 8, wherein the first end of the lock body is further provided with a second rotating shaft, the second rotating shaft and the first rotating shaft are parallel to each other, the second rotating shaft is located below the first rotating shaft, two ends of the second rotating shaft extend to the outer sides of the connecting beams respectively, two ends of the first rotating shaft are sleeved with a clamping ring and a damping ring respectively, the clamping ring is located on the outer sides of the connecting beams, and the damping ring is located on the inner sides of the connecting beams;

The end of bolt is equipped with the guiding part, the cover is equipped with fourth elastic element on the bolt, the surface of bolt is equipped with the keyway, the keyway sets up along the bolt axial, be equipped with the draw-in key in the keyway, when the bolt was inserted and is established on the bolt seat, the keyway extends to inside the bolt seat, the draw-in key passes through the keyway card and establishes between bolt and bolt seat.