CN114333621A

CN114333621A - Assembled small-spacing LED display screen

Info

Publication number: CN114333621A
Application number: CN202111618797.8A
Authority: CN
Inventors: 凌向荣; 赵春雷; 梁文骥; 黄辉
Original assignee: Aet Displays Ltd
Current assignee: Aet Displays Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-04-12

Abstract

The invention relates to an assembled small-spacing LED display screen which comprises a box body, a first assembly part, a second assembly part, a third assembly part, an installation component, a power supply aerial plug and a signal aerial plug. Through the first assembly parts that are located four angular position of the external trailing flank of box, the second assembly parts of top edge and the third assembly parts of bottom edge make adjacent box can assemble fixedly, assemble into the LED display module assembly of little interval then, its assembly structure is simple and the reliability is strong, for the structure of assembling in the box at present, the operation of the structure of assembling outside the box is more convenient, the assembly space is wider relatively, need not carry out the trompil of great size in the frame, then the intensity of box frame has been guaranteed, the structural strength and the reliability of whole box have been guaranteed, and to assemble structure and power aviation plug, the combination of signal aviation plug has saved the structure of establishing the aviation plug accessory in addition, the die sinking cost has been saved and the assembly structure of simplification box.

Description

Assembled small-spacing LED display screen

Technical Field

The invention relates to the technical field of display screens, in particular to an assembled small-spacing LED display screen.

Background

The LED display screen of present booth apart from is the mode that adopts a plurality of boxes to assemble to realize, but present structure of assembling all realizes at the box is inside basically to assembly stability is relatively poor, because the restriction of lock solid mode, can not realize quick assembly disassembly, causes the installation accuracy lower, and the suitability is relatively poor.

Chinese utility model patent with publication number CN208570024U discloses a can splice display screen as among the prior art, including a plurality of display screen modules, display screen frame and rotatory locking mechanism, the display screen module is located on the display screen frame, adjacent two the display screen frame passes through rotatory locking mechanism can dismantle the connection, rotatory locking mechanism includes T type threaded rod and is equipped with the internal screw thread sleeve, telescopic one end is equipped with butt portion, T type threaded rod with the connection can be dismantled to the sleeve, and two adjacent display screen frame cards are located T type threaded rod with between the butt portion, in order to realize the rotation rotary mechanism fastens adjacent two the display screen frame. However, the rotary locking mechanism in the prior art has weak stability and poor operation convenience in use.

As also disclosed in the prior art, chinese patent application publication No. CN112289208A discloses an ultra-thin and ultra-light indoor LED display screen system, which includes a plurality of LED display screens, a splicing mechanism, and a support frame, wherein the LED display screens are fixedly connected to the support frame through the splicing mechanism; the LED display screen comprises an LED module serving as a display part, a power supply box serving as a power supply part and a frame for supporting the LED module, wherein the frame is fixedly connected with a support frame body through a splicing mechanism; the support frame body adopts industrial aluminum profiles. But this splicing mechanism still adopts the mode of assembling in the box among the prior art for the thickness of box receives the restriction of lock body volume, and operating space is less in the box, and the simple operation nature is also than lower.

As shown in the prior chinese patent application with publication number CN113638947A, the present invention discloses a fast locking mechanism for LED display screen boxes, which includes a first fixing component and a second fixing component respectively mounted on two unit boxes, where the first fixing component includes a mounting shell, two screw-thread pressing blocks and a rotating component, the mounting shell is mounted on one of the unit boxes, the mounting shell is provided with a mounting hole penetrating through the mounting shell, the two screw-thread pressing blocks are opposite to each other, both screw-thread pressing blocks are rotatably mounted in the mounting shell, and the rotating component is used for driving the two screw-thread pressing blocks to rotate in a direction away from each other; the second fixing component comprises a screw and a limiting sleeve, the limiting sleeve is installed at one end of the screw, the limiting sleeve supports against the other unit box body, the screw penetrates through the two unit box bodies and extends into the space between the two threaded pressing blocks through the mounting hole to be abutted against the two threaded pressing blocks, and the screw is in threaded fit with one side opposite to the two threaded pressing blocks. But lock body still operates in the box among this prior art, and operating space is less, and the simple operation nature is also than lower.

In addition, to taking and putting of box during the assembly, the mode of the handheld box main part of current universal adoption assembles, causes the box to take off the hand easily and drops.

Disclosure of Invention

The technical problem to be solved by the invention is to provide an assembled small-space LED display screen aiming at the defects of the prior art.

The embodiment of the invention provides an assembled small-spacing LED display screen, which comprises a box body, a first assembly part, a second assembly part and a third assembly part, wherein the box body is provided with four first installation positions respectively positioned at four corner positions of a rear side surface, a second installation position positioned at the upper edge of the rear side surface, a third installation position positioned at the lower edge of the rear side surface, a first positioning component positioned at the upper side surface of the box body and a second positioning component positioned at the lower side surface of the box body; the first assembly part is provided with an L-shaped first assembly seat matched with the corner position of the rear side surface of the box body and a first lock body assembled on the first assembly seat, the first assembly seat is positioned on the first installation position through a first pre-positioning assembly and is fixed through a first fixing part, and the first assembly seat is provided with a first assembly hole which is used for being locked with the other first lock body when being assembled with the other box body; the second assembly part is provided with a second assembly seat matched with the upper edge of the rear side face of the box body and a second lock body assembled on the second assembly seat, the second assembly seat is positioned on the second installation position through a second pre-positioning assembly and is fixed through a second fixing part, the second assembly seat is provided with a first insertion hole and a second insertion hole which penetrate through the front side face of the box body, the first insertion hole is provided with a first power supply aviation plug, and the second insertion hole is provided with a first signal aviation plug; the third assembly part is provided with a third assembly seat matched with the lower edge of the rear side face of the box body and a second assembly hole assembled to the third assembly seat, the third assembly seat is positioned on the third installation position through a third pre-positioning assembly and fixed through a third fixing part, the third assembly seat is provided with a third insertion hole and a fourth insertion hole penetrating through the front side face of the box body, the third insertion hole is assembled with a second power supply aviation plug, and the fourth insertion hole is assembled with a second signal aviation plug. The beneficial effects are as follows: through the first assembly parts that are located four angular position of the external trailing flank of box, the second assembly parts of top edge and the third assembly parts of bottom edge make adjacent box can assemble fixedly, assemble into the LED display module assembly of little interval then, its assembly structure is simple and the reliability is strong, for the structure of assembling at the prior art in the box, the operation of the structure of assembling outside the box is more convenient, assembly space is wider relatively, it is more friendly to the frame structure of box, need not carry out the trompil of great size in the frame, then the intensity of box frame has been guaranteed, the structural strength and the reliability of whole box have been guaranteed, and to assemble structure and power air insertion, the signal air insertion combines to save the structure of establishing air insertion accessory in addition, the die sinking cost has been saved and the assembly structure of simplification box.

In some embodiments, the first lock body and the second lock body each include a lock body, a sleeve, a spring, a lock rod, a gear and a clamping plate, the lock body has a handle, the gear is fixedly sleeved on the rear end of the sleeve, the lock rod is rotatably inserted into the inner hole of the sleeve, the front end of the lock rod has a lock head, the rear end of the lock rod is fixedly connected with the lock body, the spring is sleeved on the outer surface of the sleeve, the sleeve can axially move, the circumferential fixing bases are assembled in the lock holes of the corresponding first assembly base and the second assembly base, the spring acts between the sleeve and the lock holes, the clamping plate is pivoted on the lock body through a rotating shaft, the clamping plate is meshed with the gear through teeth, the outer peripheral surface of the gear has a notch extending along the circumferential direction, the lock body has a protruding block, and the protruding block is embedded in the notch to limit the rotation range of the lock body relative to the gear. The beneficial effects are as follows: obtain first lock body and second lock body through the improvement to current lock body for the sleeve can axial displacement and circumference are fixed, and realize the axial elastic movement of tapered end through the spring, reinforce the structure of lock body.

In some embodiments, the outer surface of the sleeve is provided with a guide groove extending along the axial direction of the inner hole, the bottom surfaces of the first assembling seat and the second assembling seat are provided with insertion holes penetrating to the lock hole, the insertion holes are internally provided with bolts, the bolts extend into the lock hole from the insertion holes and are embedded in the guide groove, and the sleeve is circumferentially fixed and can axially move under the limitation of the guide groove and the bolts. The beneficial effects are as follows: realize fixed to telescopic axial displacement and circumference through guide slot and bolt, the bottom surface of bolt accessible assembly seat is dismantled to dismantle the sleeve, holistic lock body structure constitutes simply and the good reliability.

In some embodiments, the first pre-positioning assembly comprises a mounting hole on the bottom surface of the first mounting seat, and the mounting hole is provided with a pre-positioning rod. The second pre-positioning assembly and/or the third pre-positioning assembly have the same structure as the first pre-positioning assembly. The beneficial effects are as follows: the pre-positioning between the assembling seat and the box body is realized through the pre-positioning assembly, and the assembling seat can be completely aligned with the corresponding mounting position.

In some embodiments, the first fixing member is mounted at a hole at a corner of the first mounting seat, and the first fixing member passes through the hole at the corner to be locked with the box body. The beneficial effects are as follows: for the first assembly part, the hole position at the corner of the center position of the first assembly part is fixed, so that the L-shaped first assembly part is fixed, and the L-shaped first assembly part is simple and easy to use.

In some of these embodiments, the front side of the housing has a mounting assembly for mounting a handle. The beneficial effects are as follows: in order to be able to take and put the box more easily in the process of assembling, through installation component assembly handle, the user directly takes and puts the box through the handle, and the operation is more convenient.

In some embodiments, the mounting assembly includes a first mounting groove and a second mounting groove that are disposed at a distance, the first mounting groove is configured with a first limiting member, the second mounting groove is configured with a second limiting member, one end of the handle is embedded in the first mounting groove and is limited in the first mounting groove by the first limiting member, the other end of the handle is embedded in the second mounting groove and is limited in the second mounting groove by the second limiting member, the first limiting member is assembled in the first mounting groove by an adjustable assembly, and the adjusting assembly is used for releasing the limitation of the end portion of the handle by the first limiting member in the first mounting groove and implementing the limitation of the end portion of the handle by the first limiting member in the first mounting groove. The beneficial effects are as follows: the assembly position of the one end of the handle that constitutes through first locating part and first mounting groove and the assembly position of the other end of the handle that constitutes through second locating part and second mounting groove realize the assembly to the handle to realize the dismouting of handle through adjusting part, be convenient for assemble the lamp plate after the handle is dismantled.

In some embodiments, the adjusting assembly includes an adjusting hole located on the first limiting member and extending along the axial direction of the first mounting groove, and an adjusting screw passing through the adjusting hole and fixed to the box body. The beneficial effects are as follows: the adjusting component adopts the composition scheme of adjusting holes and adjusting screws, and the adjusting structure is simple and easy to use.

In some embodiments, the first mounting groove has an opening and a blind opening, a spring is disposed in the first mounting groove, and the spring acts between the blind opening of the first mounting groove and the first limiting member. The beneficial effects are as follows: the elastic opening and closing of the adjusting assembly are realized through the spring so as to realize a simpler and easier adjusting structure.

The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below to provide a more thorough understanding of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front structural view of a display screen according to an embodiment of the present invention.

Fig. 2 is a first back structure diagram of the display screen according to the embodiment of the present invention.

Fig. 3 is a second structural diagram of the back surface of the display screen according to the embodiment of the present invention.

Fig. 4 is a surface structure view of the first assembly member according to the embodiment of the present invention.

Fig. 5 is a bottom structure view of the first assembly member according to the embodiment of the present invention.

Fig. 6 is a structural view of a first mount base according to an embodiment of the present invention.

Figure 7 is an overall block diagram of a first lock body of an embodiment of the invention.

Figure 8 is an exploded view of the first lock body of the embodiment of the present invention.

Fig. 9 is an overall structural view of a second assembly member of the embodiment of the present invention.

Fig. 10 is an exploded structural view of a second assembly member according to an embodiment of the present invention.

Fig. 11 is an overall structural view of a third assembly according to the embodiment of the present invention.

Fig. 12 is an exploded structural view of a third assembly according to an embodiment of the present invention.

Fig. 13 is a structural view of the front side of the case of the embodiment of the present invention.

Fig. 14 is an overall structural view of a mounting assembly of the embodiment of the present invention.

Fig. 15 is an exploded structural view of a mounting assembly of an embodiment of the present invention.

Fig. 16 is a structural diagram of a first limiting member according to an embodiment of the invention.

In the figure, 1, a lamp panel; 2. a box body; 3. a first fitting member; 4. a second fitting member; 5. a third fitting; 6. mounting the component; 7. a first mounting location; 8. a second mounting location; 9. a third mounting position; 10. a first positioning assembly; 11. a second positioning assembly; 12. a first lock body; 13. a first pre-positioning assembly; 14. a first assembly hole; 15. a lock body; 16. a sleeve; 17. a spring; 18. a lock lever; 19. a gear; 20. clamping a plate; 21. a handle; 22. a convex edge; 23. a lock head; 24. a lock hole; 25. a first mounting seat; 26. a rotating shaft; 27. teeth; 28. a notch; 29. a bump; 30. mounting holes; 31. pre-positioning a rod; 32. a guide groove; 33. a jack; 34. hole locations at corners; 35. a second mounting seat; 36. a second lock body; 37. a second pre-positioning assembly; 38. a first insertion hole; 39. a second insertion hole; 40. a first power supply aviation plug; 41. a first signal aerial plug; 42. a third assembly seat; 43. a second assembly hole; 44. a third insertion hole; 45. a fourth insertion hole; 46. a second power supply aerial plug; 47. second signal aerial plug; 48. a first mounting groove; 49. a second mounting groove; 50. a first limit piece; 51. a second limiting member; 52. an adjustment assembly; 53. an adjustment hole; 54. adjusting screws; 55. an opening; 56. a blind opening; 57. a spring; 58. a slider; 59. a first gear.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments provided by the present invention, belong to the protection scope of the present invention. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one of ordinary skill in the art that the described embodiments of the present invention can be combined with other embodiments without conflict.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of describing the invention are not to be construed as limiting in number, and may be construed to cover both the singular and the plural. The present invention relates to the terms "comprises," "comprising," "includes," "including," "has," "having" and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in the description of the invention are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" as used herein means two or more. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The terms "first," "second," "third," and the like in reference to the present invention are used merely to distinguish between similar objects and not necessarily to represent a particular ordering for the objects.

As shown in fig. 1 to 16, the small-pitch assembled LED display screen provided in the embodiment of the present invention includes a lamp panel 1, a box 2, a first assembly 3, a second assembly 4, a third assembly 5, a mounting assembly 6, a power supply aviation plug and a signal aviation plug. Through the first assembly parts 3 of four angular positions that are located box 2 outer trailing flank, the second assembly parts 4 of top edge and the third assembly parts 5 of bottom edge make adjacent box 2 can assemble fixedly, assemble into the LED display module assembly of booth apart from then, its assembly structure is simple and the reliability is strong, for the structure of assembling in box 2 of prior art, the operation of the structure of assembling outside box 2 is more convenient, the assembly space is wider relatively, it is more friendly to the frame structure of box 2, need not carry out the trompil of great size in the frame, and then the intensity of box 2 frame has been guaranteed, the structural strength and the reliability of whole box 2 have been guaranteed, and will assemble structure and power aviation plug, the signal aviation plug combines to save the structure of establishing the aviation plug accessory in addition, the die sinking cost has been saved and the assembly structure of simplifying box 2. The first assembly part 3, the second assembly part 4 and the third assembly part 5 form an assembly component of the box body 2.

The box 2 of this implementation has the backplate and follows the frame around the backplate, and the front flank of box 2 is used for assembling lamp plate 1, and the backplate rear side face side is used for assembling foretell first assembly part 3, second assembly part 4, third assembly part 5, power aviation plug and signal aviation plug, and the backplate front flank is used for assembling devices such as keysets power and foretell installation component 6. On the rear side of the box body 2, there are four L-shaped first mounting positions 7 respectively located at four corner positions of the rear side, a linearly extending second mounting position 8 located at the upper edge of the rear side, a linearly extending third mounting position 9 located at the lower edge of the rear side, a first positioning component 10 located at the upper side of the box body 2, and a second positioning component 11 located at the lower side of the box body 2. The first positioning component 10 is a positioning rod, the second positioning component 11 is a positioning hole, and is used for pre-positioning when the adjacent boxes 2 are assembled, and then for butt joint between the assembling components carried by the adjacent boxes 2, generally, only the box 2 assembled up and down needs to be pre-positioned, or only the box 2 assembled left and right needs to be pre-positioned, but not both up and down and left and right pre-positioned.

The first assembly part 3 of the present embodiment has an L-shaped first assembly seat 25 matched with the angular position of the rear side surface of the box body 2 and a first lock body 12 assembled to the first assembly seat 25, the first assembly seat 25 is positioned on the first installation position 7 through a first pre-positioning component 13 and fixed through a first fixing member, the first assembly seat 25 has a first assembly hole 14, and the first assembly hole 14 is used for locking with another first lock body 12 when being assembled with another box body 2. The first lock body 12 comprises a lock body 15, a sleeve 16, a spring 5717, a lock rod 18, a gear 19 and a catch plate 20, wherein the lock body 15 is provided with a handle 21, an annular convex edge 22 is arranged in the middle of the sleeve 16, the gear 19 is fixedly sleeved at the rear end of the sleeve 16, the lock rod 18 is rotatably inserted into an inner hole of the sleeve 16, the front end of the lock rod 18 is provided with a lock head 23, the rear end of the lock rod is fixedly connected with the lock body 15, the spring 5717 is sleeved on the outer surface of the front end in front of the convex edge 22 of the sleeve 16, the sleeve 16 can axially move and is circumferentially fixedly assembled in a lock hole 24 of a corresponding first assembly seat 25, one end of the spring 5717 is abutted against the convex edge 22 of the sleeve 16, the other end of the spring is abutted against the end surface of the lock hole 24, the catch plate 20 is pivoted on the lock body 15 through a rotating shaft 26, the catch plate 20 is meshed with the gear 19 through teeth 27 to realize the positioning of the state of the lock body 15, the outer peripheral surface of the gear 19 is provided with a notch 28 extending along the circumference, the lock body 15 has a projection 29, and the projection 29 is fitted in the notch 28 to define a rotation range of the lock body 15 relative to the gear 19. The present embodiment obtains the first lock body 12 by modifying the existing lock body, so that the sleeve 16 can move axially and be fixed circumferentially, and the lock head 23 can move elastically in the axial direction by the spring 5717, thereby strengthening the structure of the lock body.

In the above embodiment, the outer surface of the sleeve 16 has the guide groove 32 extending axially along the inner hole, the guide groove 32 is located at the front end of the flange 22 of the sleeve 16, the bottom surface of the first mounting seat 25 has the insertion hole 33 penetrating to the lock hole 24, the insertion hole 33 is provided with the plug pin, the plug pin extends from the insertion hole 33 to the lock hole 24 and is embedded in the guide groove 32, and the sleeve 16 is circumferentially fixed and axially movable by the limitation of the guide groove 32 and the plug pin. The axial movement and the circumferential fixation of the sleeve 16 are realized through the guide groove 32 and the bolt in the embodiment, and the bolt can be detached through the bottom surface of the assembling seat, so that the sleeve 16 is detached, and the whole lock body is simple in structure and high in reliability.

In the above embodiment, the first pre-positioning assembly 13 includes the first mounting seat 25 having the mounting hole 30 on the bottom surface thereof, the mounting hole 30 is equipped with the pre-positioning rod 31, the pre-positioning rod 31 of the mounting hole 30 is detachable and configured with a plurality of mounting holes 30, so that the pre-positioning rod 31 can be replaced according to different cases 2, or the pre-positioning rods 31 with different sizes can be replaced for matching pre-positioning, thereby greatly improving the adaptability of the assembly. In the embodiment, the pre-positioning between the assembling seat and the box body 2 is realized through the pre-positioning assembly, so that the assembling seat can be completely aligned with the corresponding mounting position.

In the above embodiment, the first fixing member is mounted at the hole 34 at the corner of the first mounting seat 25, and the first fixing member passes through the hole 34 at the corner and is locked with the box body 2. In the embodiment, the first assembly member 3 is fixed by the hole 34 at the corner of the center thereof, so that the L-shaped first assembly member 3 is fixed, and the method is simple and easy to use.

The second assembly part 4 of the embodiment is provided with a second assembly seat 35 matched with the upper edge of the rear side surface of the box body 2 and a second lock body 36 assembled on the second assembly seat 35, the second assembly seat 35 is positioned on the second installation position 8 through a second pre-positioning component 37 and is fixed through a second fixing piece, the second assembly seat 35 is provided with a first plug-in hole 38 and a second plug-in hole 39 penetrating to the front side surface of the box body 2, the first plug-in hole 38 is provided with a first power supply aviation plug 40, and the second plug-in hole 39 is provided with a first signal aviation plug 41; the second lock body 36 has the same structure as the first lock body 12, and the second pre-positioning assembly 37 has the same structure as the first pre-positioning assembly 13, which will not be described again.

The third assembly part 5 of the embodiment is provided with a third assembly seat 42 matched with the lower edge of the rear side surface of the box body 2 and a second assembly hole 43 assembled to the third assembly seat 42, the third assembly seat 42 is positioned on the third installation position 9 through a third pre-positioning component and is fixed through a third fixing part, the third assembly seat 42 is provided with a third plug-in hole 44 and a fourth plug-in hole 45 penetrating through the front side surface of the box body 2, the third plug-in hole 44 is provided with a second power supply aviation plug 46, and the fourth plug-in hole 45 is provided with a second signal aviation plug 47; the third lock body has the same structure as the first lock body 12, and the third pre-positioning assembly has the same structure as the first pre-positioning assembly 13, which will not be described herein again.

In this embodiment, the housing 2 has a mounting member 6 on a front side thereof, and the mounting member 6 is used for mounting a handle. This embodiment is in order can take and put box 2 more easily assembling the in-process, through 6 assembly handles of installation component, the user directly takes and puts box 2 through the handle, and the operation is more convenient. The mounting assembly 6 includes a first mounting groove 48 and a second mounting groove 49 which are arranged at a distance, the first mounting groove 48 is configured with a first limiting member 50, the second mounting groove 49 is configured with a second limiting member 51, one end of the handle is embedded in the first mounting groove 48 and is limited in the first mounting groove 48 through the first limiting member 50, the other end of the handle is embedded in the second mounting groove 49 and is limited in the second mounting groove 49 through the second limiting member 51, the first limiting member 50 is assembled in the first mounting groove 48 through an adjustable assembly 52, and the adjustable assembly 52 is used for relieving the limitation of the end portion of the handle by the first limiting member 50 in the first mounting groove 48 and implementing the limitation of the end portion of the handle by the first limiting member 50 in the first mounting groove 48. The assembly of the handle is realized through the assembly position of the one end of the handle that first locating part 50 and first mounting groove 48 constitute and the assembly position of the other end of the handle that second locating part 51 and second mounting groove 49 constitute to this embodiment to realize the dismouting of handle through adjusting part 52, be convenient for assemble lamp plate 1 after the handle is dismantled.

In this embodiment, the adjusting assembly 52 includes a plurality of adjusting holes 53 and a plurality of adjusting screws 54, which are located on the first limiting member 50 and extend along the axial direction of the first mounting groove 48, and the adjusting screws 54 pass through the adjusting holes 53 and are fixed to the box body 2. The adjusting assembly 52 of the present embodiment adopts the composition scheme of the adjusting hole 53 and the adjusting screw 54, and the adjusting structure is simple and easy to use.

In this embodiment, the first mounting groove 48 has an opening 55 and a blind opening 56, a spring 57 is disposed in the first mounting groove 48, the spring 57 acts between the blind opening 56 of the first mounting groove 48 and the first limiting member 50, a sliding block 58 is disposed on a bottom surface of the first limiting member 50, one end of the spring 57 acts on the blind opening 56, and the other end of the spring 57 acts on the sliding block 58, the spring 57 pushes the sliding block 58 to drive the first limiting member 50 to move forward to the first position 59, and in the moving process, the first limiting member 50 is allowed to move smoothly under the limiting of the adjusting screw 54 and the adjusting hole 53. The present embodiment achieves the elastic opening and closing of the adjustment assembly 52 by the spring 57 to achieve a simpler and easier adjustment structure.

The invention can realize the requirement of quick installation of the rental scene, and can realize the rental of products with the distance below 2.0.

It should be understood by those skilled in the art that various features of the above-described embodiments can be combined in any combination, and for the sake of brevity, all possible combinations of features in the above-described embodiments are not described in detail, but rather, all combinations of features which are not inconsistent with each other should be construed as being within the scope of the present disclosure.

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 invention. 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

1. An assembled small-spacing LED display screen is characterized by comprising a box body (2), a first assembly part (3), a second assembly part (4) and a third assembly part (5), wherein,

the box body (2) is provided with four first mounting positions (7) respectively positioned at four corner positions of the rear side surface, a second mounting position (8) positioned at the upper edge of the rear side surface, a third mounting position (9) positioned at the lower edge of the rear side surface, a first positioning component (10) positioned at the upper side surface of the box body (2) and a second positioning component (11) positioned at the lower side surface of the box body (2);

the first assembly part (3) is provided with an L-shaped first assembly seat (25) matched with the angular position of the rear side face of the box body (2) and a first lock body (12) assembled on the first assembly seat (25), the first assembly seat (25) is positioned on the first installation position (7) through a first pre-positioning assembly (13) and is fixed through a first fixing piece, the first assembly seat (25) is provided with a first assembly hole (14), and the first assembly hole (14) is used for being locked with another first lock body (12) when being assembled with another box body (2);

the second assembly part (4) is provided with a second assembly seat (35) matched with the upper edge of the rear side face of the box body (2) and a second lock body (36) assembled to the second assembly seat (35), the second assembly seat (35) is positioned on the second installation position (8) through a second pre-positioning assembly (37) and is fixed through a second fixing piece, the second assembly seat (35) is provided with a first plug-in hole (38) and a second plug-in hole (39) penetrating to the front side face of the box body (2), the first plug-in hole (38) is assembled with a first power supply aviation plug (40), and the second plug-in hole (39) is assembled with a first signal aviation plug (41);

the third assembly part (5) is provided with a third assembly seat (42) matched with the lower edge of the rear side face of the box body (2) and a second assembly hole (43) assembled to the third assembly seat (42), the third assembly seat (42) is positioned on the third installation position (9) through a third pre-positioning assembly and is fixed through a third fixing part, the third assembly seat (42) is provided with a third insertion hole (44) and a fourth insertion hole (45) penetrating to the front side face of the box body (2), the third insertion hole (44) is assembled with a second power supply aerial socket (46), and the fourth insertion hole (45) is assembled with a second signal aerial socket (47).

2. The assembled small-distance LED display screen according to claim 1, wherein each of the first lock body (12) and the second lock body (36) comprises a lock body (15), a sleeve (16), a spring (57) (17), a lock rod (18), a gear (19) and a clamping plate (20), the lock body (15) is provided with a handle (21), the gear (19) is fixedly sleeved at the rear end of the sleeve (16), the lock rod (18) is rotatably inserted into the inner hole of the sleeve (16), the front end of the lock rod (18) is provided with a lock head (23) and the rear end of the lock rod is fixedly connected with the lock body (15), the spring (57) (17) is sleeved on the outer surface of the sleeve (16), the sleeve (16) can axially move and a circumferential fixed bottom is assembled in the lock hole (24) of the corresponding first assembling seat (25) and the second assembling seat (35), the springs (57) and (17) act between the sleeve (16) and the lock hole (24), the clamping plate (20) is pivoted on the lock body (15) through a rotating shaft (26), the clamping plate (20) is meshed with the gear (19) through teeth (27), the outer peripheral surface of the gear (19) is provided with a notch (28) extending along the circumferential direction, the lock body (15) is provided with a lug (29), and the lug (29) is embedded in the notch (28) to limit the rotating range of the lock body (15) relative to the gear (19).

3. A splicing small-pitch LED display screen according to claim 2, wherein the outer surface of the sleeve (16) has a guide groove (32) extending axially along the inner hole, the bottom surfaces of the first assembly seat (25) and the second assembly seat (35) have a plug hole (33) penetrating to the lock hole (24), a plug pin is assembled in the plug hole (33), the plug pin extends from the plug hole (33) to the lock hole (24) and is embedded in the guide groove (32), and the sleeve (16) is circumferentially fixed and axially movable by the restriction of the guide groove (32) and the plug pin.

4. A tileable small-pitch LED display screen according to claim 1, wherein the first pre-positioning assembly (13) comprises a mounting hole (30) on the bottom surface of the first mounting seat (25), and the mounting hole (30) is equipped with a pre-positioning rod (31).

5. A tileable small-pitch LED display screen according to claim 4, wherein the second pre-positioning unit (37) and/or the third pre-positioning unit are of the same construction as the first pre-positioning unit (13).

6. A splicing small-pitch LED display screen according to claim 1, wherein the first fixing member is assembled at a hole (34) at a corner of the first assembling seat (25), and the first fixing member passes through the hole (34) at the corner to be locked with the box body (2).

7. A tileable small-pitch LED display screen according to claim 1, characterised in that the front side of the cabinet (2) has a mounting assembly (6), the mounting assembly (6) being used for mounting a handle.

8. An assembled small-spacing LED display screen according to claim 7, wherein the mounting assembly (6) comprises a first mounting groove (48) and a second mounting groove (49) which are arranged at a distance, the first mounting groove (48) is provided with a first limiting member (50), the second mounting groove (49) is provided with a second limiting member (51), one end of the handle is embedded in the first mounting groove (48) and limited in the first mounting groove (48) through the first limiting member (50), the other end of the handle is embedded in the second mounting groove (49) and limited in the second mounting groove (49) through the second limiting member (51), the first limiting member (50) is assembled in the first mounting groove (48) through an adjustable assembly (52), and the adjustable assembly (52) is used for releasing the limitation of the first limiting member (50) on the end of the handle in the first mounting groove (48) so as to release the limitation of the first limiting member (50) on the end of the handle in the first mounting groove (48) And limiting the end part of the handle in the first mounting groove (48) by the first limiting piece (50).

9. The assembled small-spacing LED display screen as claimed in claim 8, wherein the adjusting assembly (52) comprises an adjusting hole (53) located on the first limiting member (50) and extending along the axial direction of the first mounting groove (48), and an adjusting screw (54), and the adjusting screw (54) passes through the adjusting hole (53) and is fixed with the box body (2).

10. A splicing small-pitch LED display screen according to claim 9, wherein the first mounting groove (48) has an opening (55) and a blind opening (56), a spring (57) is disposed in the first mounting groove (48), and the spring (57) acts between the blind opening (56) of the first mounting groove (48) and the first limiting member (50).