WO2017215190A1 - 拼装机构及led显示屏 - Google Patents

拼装机构及led显示屏 Download PDF

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Publication number
WO2017215190A1
WO2017215190A1 PCT/CN2016/106206 CN2016106206W WO2017215190A1 WO 2017215190 A1 WO2017215190 A1 WO 2017215190A1 CN 2016106206 W CN2016106206 W CN 2016106206W WO 2017215190 A1 WO2017215190 A1 WO 2017215190A1
Authority
WO
WIPO (PCT)
Prior art keywords
hole
assembling mechanism
eccentric
mechanism according
rotating
Prior art date
Application number
PCT/CN2016/106206
Other languages
English (en)
French (fr)
Inventor
田景松
何昆鹏
吴振志
吴涵渠
Original Assignee
深圳市奥拓电子股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市奥拓电子股份有限公司 filed Critical 深圳市奥拓电子股份有限公司
Publication of WO2017215190A1 publication Critical patent/WO2017215190A1/zh

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes

Definitions

  • the present invention relates to the field of LED display screen technology, and more particularly to an assembly mechanism and an LED display screen having the same.
  • LED (Light Emitting Diode) display such as LED full color screen
  • LED full color screen is usually assembled by using several unit boxes.
  • the boxes are prone to collision. Due to the fragility of the LED lamp bead, especially when the case size is large and the weight is heavy, it is easy to break the LED lamp bead, thereby increasing the maintenance process and increasing the cost.
  • the gap between two adjacent boxes is different, which will result in different display effects.
  • the existing LED display screen is difficult to adjust the seams or gaps of two adjacent boxes.
  • a large LED display screen is composed of a plurality of LED unit substrates.
  • the center distance between the LED lamps is small (for example, 2 mm or less)
  • the distance between the lamps and the lamps between the substrates is also small.
  • the size of the LED lamp itself is small (such as l.Ommxl.Omm, or 0.8mmx0.8mm or 0.5mmx0.5mm), and the small pad has limited welding strength.
  • Assembling the foundation the assembly personnel need to be very careful to close the two substrates, and then carry out the welding.
  • the lamp is turned off, the assembly effect is not good, and this will result in a high tension of the assembly body of the base body, which is easy to make the wearer fatigue, and thus the work intensity is high but the work efficiency is low.
  • the present invention is implemented in such a manner that an assembly mechanism is applicable to an LED display screen, the LED display screen includes at least one first box body and a second box body, and the assembling mechanism is configured to connect adjacent ones.
  • First box And the second box body, the first box body is provided with a rotating hole, and the assembling mechanism comprises:
  • a connecting member one end of the connecting member is movably connected to the first box body and the other end is connected to the second box body, and the connecting member is provided with a first through hole opposite to the rotating hole ;
  • an eccentric post including a rotating body inserted in the first through hole and the rotating hole and protruding along an outer side of the rotating body to form an eccentric structure with respect to a central axis of the rotating body And accommodating in the eccentric portion of the first through hole, rotating the eccentric column and adjusting the position of the eccentric portion in the rotating hole, so that the connecting member drives the second box toward the first Move on one side of the cabinet.
  • the eccentric portion is protruded in the axial direction of the rotating body and is unequally arranged in a radial direction of the rotating body.
  • the eccentric portion and the rotating body are symmetrically disposed along a radial direction of the rotating body, and a thickness of the eccentric portion along both sides of the symmetry axis is thinned by thickness.
  • the eccentric portion is provided with a receiving hole communicating with the first through hole in a radial direction thereof, and the assembling mechanism further includes an elastic pushing member elastically extending and contracting with the receiving hole, the elastic The end of the pushing member protrudes outside the receiving hole and abuts against the inner peripheral wall of the first through hole.
  • the elastic pushing member is a bead screw.
  • the elastic pushing member includes a fixing post received in the receiving hole, a pushing portion mounted on the end of the fixing column, and being sleeved on the fixing column and elastically resisting And an elastic member that is held on the urging portion and the fixing post to elastically expand and contract the urging portion relative to the fixing column.
  • the eccentric column further includes an adjustment section extending along an axial direction of the rotating body and extending outside the first through hole, and rotating the adjustment section to drive the rotating body and the eccentricity The portion rotates relative to the connecting member.
  • the end of the adjustment section is provided with an indication mark; the end of the adjustment section is provided with a insertion slot for inserting an adjustment workpiece, or the end of the adjustment section is convexly provided for adjustment
  • the adjustment protrusion is located outside the insertion slot or the adjustment protrusion.
  • the connecting member is provided with at least two marking portions for marking the indicating rotational position of the first through hole.
  • each of the marking portions is disposed along a circumferential interval of the first through hole.
  • the connecting member is provided with a gap for observing the gap between the first box and the second box Observation hole.
  • the assembling mechanism further includes a limiting member disposed on the first box body or the second box body, and the connecting member is provided with a limit that cooperates with the limiting member hole.
  • the limiting hole has an elongated shape along a moving direction of the connecting member.
  • the limiting member includes a limiting rod that is inserted into the limiting hole, a limiting head that is disposed at one end of the limiting rod and is located at one side of the outer surface of the connecting member, and a rotation
  • the locking member is disposed on a side of the limiting rod that is away from the limiting head.
  • the limiting rod is provided with a locking indexing portion that cooperates with the limiting hole.
  • the assembling mechanism further includes a fixing member, the connecting member is provided with a second through hole, and the second box is provided with a third through hole communicating with the second through hole, A fixing member is fixed in the second through hole and the third through hole.
  • each of the first box and each of the second boxes includes an LED lamp surface and a base, and the splicing mechanism further includes being mounted on the base.
  • a mounting slot is recessed around an edge of the base body adjacent to the other base body, and a bottom of the mounting slot is provided with a through hole extending through the base body, and the center line of the through hole is offset from the mounting slot Centering and perpendicular to the LED lamp face;
  • the eccentric member includes an eccentric disk and a rotating shaft extending outward from a center of the eccentric disk, the eccentric disk being rotatably mounted in the mounting groove The rotating shaft passes through the through hole, and the rotating shaft is rotated, and the eccentric disk is turned out or turned back to the edge of the base end surface to move.
  • the mounting groove is a circular groove, and a rim of the base body is provided with a mouth opening for facilitating the eccentric disk to be turned out.
  • the eccentric disk is located between the LED lamp surface and the LED unit case in the mounting groove along a plane of gravity parallel to the center of gravity of the LED lamp surface.
  • the assembling mechanism further includes an end cover of the mounting groove toward the opening of the LED lamp surface and for preventing axial movement of the eccentric member.
  • the eccentric disk is turned out of the base end face ⁇ , and there is a gap between the two adjacent LED lamp faces.
  • the assembling mechanism further includes a fixing seat fixedly mounted on each of the base bodies, the fixing base is provided with a through hole that is electrically connected to the through hole, and the rotating shaft passes through the through hole And the through hole and extending out of the fixing seat.
  • two adjacent fixing seats are disposed at corresponding joints by corresponding positioning pins or positioning pin holes
  • the top surface of the rotating shaft is provided with an eccentric indication mark of the eccentric disk.
  • the fixing seat is provided with an "OUT" mark indicating that the eccentric disk is turned out and an "I N” mark that is turned back.
  • the fixing seat is provided with an indicator indicating a rotation direction of the rotating shaft.
  • the present invention also provides an LED display screen comprising at least two cabinets and a assembling mechanism for connecting adjacent two cabinets, the assembling mechanism being the assembling mechanism.
  • the technical effect of the present invention relative to the prior art is: after the first box body and the second box body in the assembling mechanism are connected by the connecting member and the eccentric column, the first box body and the first box body can be rotated by rotating the eccentric column
  • the spacing between the second tanks is gradually reduced to zero, avoiding collisions during the connection and proximity of the first tank and the second tank, and the connection process of the first tank and the second tank is more stable. Controllable, the spacing between the first box and the second box can be adjusted during the connection process.
  • FIG. 1 is a schematic structural view of a assembling mechanism of the present invention
  • FIG. 2 is a schematic cross-sectional view of the assembling mechanism of the present invention
  • FIG. 3 is a partial schematic view of a connecting piece of the assembling mechanism of the present invention.
  • FIG. 4 is a schematic structural view of a connecting piece, an eccentric post and a fixing member of the assembling mechanism of the present invention.
  • FIG. 5 is a schematic structural view of an eccentric column of the assembling mechanism of the present invention.
  • FIG. 6 is a schematic view showing the positional change of the eccentric post rotation ⁇ connecting piece of the assembling mechanism of the present invention
  • FIG. 7 is a schematic view showing the assembly of the connecting piece and the limiting member of the assembling mechanism of the present invention.
  • FIG. 8 is a schematic view of a mounting slot provided on an LED display screen according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of an LED display screen splicing eccentric disk turning out end face ⁇ according to an embodiment of the present invention.
  • FIG. 10 is a partial exploded view of an LED display screen according to an embodiment of the present invention.
  • FIG. 11 is a partial enlarged view of the eccentric disk of FIG. 9 according to an embodiment of the present invention.
  • FIG. 12 is a structural diagram of a mounting slot provided by an embodiment of the present invention.
  • FIG. 13 is a structural diagram of an eccentric component according to an embodiment of the present invention.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may explicitly or implicitly include one or more of the features.
  • the meaning of “plurality” is two or more, unless specifically defined otherwise.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like should be understood broadly, and may be, for example, a fixed connection or a Removable connection, or integrated; can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium, which can be the internal connection of two elements or the interaction of two elements.
  • the meaning of the above terms in the present invention can be understood by those skilled in the art on a case-by-case basis.
  • the assembling mechanism provided by the embodiment of the present invention is applied to the LED display screen 100,
  • the LED display screen 100 includes at least one first box body 10 and a second box body 20, and the assembling mechanism is configured to connect the adjacent first box body 10 and the second box body 20, the first box
  • the body 10 is provided with a rotating hole 12, and the assembling mechanism 50 comprises:
  • the connecting member 52 one end of the connecting member 52 is movably connected to the first box 10 and the other end is connected to The second housing 20, the connecting member 52 is provided with a first through hole 520 opposite to the rotating hole 12;
  • the eccentric post 54, the eccentric post 54 includes a rotating body 540 inserted into the first through hole 520 and the rotating hole 12 and protruding along the outside of the rotating body 540 to be opposite to the rotating body
  • the central axis of the 540 forms an eccentric structure and is received in the eccentric portion 542 of the first through hole 520, rotates the eccentric post 54 and adjusts the position of the eccentric portion 542 at the rotating hole 12, thereby making the connecting member 52 drives the second casing 20 to move toward the side of the first casing 10.
  • the first box body 10 and the second box body 20 in the assembling mechanism 50 provided by the embodiment of the present invention are connected by the connecting member 52 and the eccentric post 54, the first box body 10 and the first box body 10 can be rotated by rotating the eccentric column 54.
  • the spacing between the second casings 20 is gradually reduced to zero, avoiding collisions during the connection and mutual approach of the first casing 10 and the second casing 20, the first casing 10 and the second casing 20
  • the connection process is more stable and controllable, and the spacing between the first case 10 and the second case 20 can be adjusted during the connection process.
  • the connecting member 52 includes a first connecting portion provided with the first through hole 520, and the first through hole 520 is substantially a circular hole.
  • the second housing 20 is provided with a second connecting portion, and the first connecting portion on the connecting member 52 is adapted to be connected to the second connecting portion on the second housing 20.
  • the connection manner between the first connecting portion and the second housing 20 is not limited.
  • the connection manner between the first connecting portion and the second connecting portion may be a connection manner such as snapping or socketing.
  • the rotating body 540 is inserted into the first through hole 520 of the connecting member 52 and the rotating hole 12 of the first case 10, and the connecting member 52 is rotatable about the rotating body 540.
  • the first connecting portion on the connecting member 52 is adapted to be coupled to the second case 20.
  • the connection manner of the first connection portion and the second connection portion is not limited.
  • the connection manner of the first connection portion and the second connection portion may be a snap connection, a socket connection, a bolt connection, a screw connection, and a pin connection. Wait for the connection method.
  • the sum of the distance from the rotating hole 12 to the edge of the first case 10 and the distance from the second connecting portion to the edge of the second case 20 is smaller than the first through hole 520 on the connecting member 52.
  • the distance between the center of the eccentric portion 542 and the center of the rotating body 540 in the vertical direction is equal to the eccentricity. If the center of the eccentric portion 542 is located at the uppermost end, and the connecting member 52 also protrudes as far as possible from the edge of the first casing 10, that is, the connecting member 52 is kept perpendicular to the edge of the first casing 10 .
  • This ⁇ connector 52 projects the longest distance outward. Due to the distance from the rotating hole 12 to the edge of the first case 10 and the distance from the second connecting portion to the edge of the second case 20 The sum of the distance from the first through hole 520 on the connecting member 52 to the first connecting portion and the eccentricity are connected, and the second connecting portion on the second case 20 is connected to the first connecting portion on the connecting member 52, There is a certain gap between the edge of the first case 10 and the edge of the second case 20, and the first case 10 and the second case 20 ⁇ are connected by the connecting member 52, the first case 10 and the second case 20 is spaced apart without collision; then the eccentric portion 5 42 is rotated downward, and the edge of the second case 20 gradually approaches the edge of the first case 10, between the first case 10 and the second case 20 The gap gradually becomes smaller until it is zero.
  • the eccentric post 54 is rotated, and the connecting member 52 as a whole moves around the center of the rotating body 540. Thereby, in the process of connecting the first case 10 and the second case 20 through the connection member 52 and the eccentric post 54, the collision between the first case 10 and the second case 20 can be avoided.
  • the assembling mechanism 50 rotates the eccentric post 54 to the uppermost position, and the second connecting portion on the second case 20 is connected to the first connecting portion on the connecting member 52, Since the sum of the distance from the rotating hole 12 to the edge of the first case 10 and the distance from the second connecting portion to the edge of the second case 20 is smaller than the distance from the first through hole 520 on the connecting member 52 to the first connecting portion and The sum of the eccentricities has a certain gap between the edge of the first casing 10 and the edge of the second casing 20, so that collision between the first casing 10 and the second casing 20 can be avoided, which makes the assembly more convenient.
  • the spacing between the first case 10 and the second case 20 can be reduced by rotating the eccentric post 54. Small to zero, avoid collision in the process of connecting and approaching the first box 10 and the second box 20, and the connection process of the first box 10 and the second box 20 is more stable and controllable during the connection process. The spacing between the first case 10 and the second case 20 can be adjusted.
  • the position of the rotating hole 12 on the first case 10 is not limited, and the position of the second connecting portion on the second case 20 is not limited.
  • the rotating hole 12 is located adjacent to the edge of the first case 10
  • the second connecting portion is located adjacent to the edge of the second case 20.
  • the sum of the distance from the rotating hole 12 to the edge of the first box 10 and the distance between the second connecting portion and the edge of the second box 20 is equal to the first through hole 520 to the first on the connecting member 52 The distance of a joint.
  • the connecting member 52 is formed substantially in a plate shape or a sheet shape, and the shape of the connecting member 52 is not limited as long as the connecting member 52 can connect the first housing 10 and the second housing 20, for example, connecting The shape of the piece 52 is generally rectangular.
  • the number of the connecting members 52 is not limited as long as the connecting member 52 can firmly connect the first case 10 and the second
  • the case 20 may be, for example, one or more connectors 52 may be provided to connect the first case 10 and the second case 20 according to assembly needs.
  • the eccentric portion 542 is axially protruded along the rotating body 540 and is unequal in radius along the radial direction of the rotating body 540.
  • the rotating body 540 is pivotally disposed in the first through hole 520, and the rotating body 540 is formed substantially in a column shape, and extends from the circumferential surface of the rotating body 540 radially outward to form an eccentric portion 542.
  • the radial dimension of the eccentric portion 542 is larger than the radial dimension of the rotating body 540.
  • the eccentric portion 542 and the rotating body 540 have a certain eccentricity.
  • the eccentric portion 542 and the rotating body 540 are symmetrically disposed along a radial direction of the rotating body 540, and the thickness of the eccentric portion 542 along both sides of the symmetry axis is thinned by thickness.
  • the eccentric portion 542 is formed into a crescent shape and is symmetrically disposed, and the eccentric portion 542 is rotatable within the first through hole 520.
  • the axis of the eccentric portion 542 has an eccentricity from the axis of the rotating body 540.
  • the structure of the eccentric post 54 is substantially similar to that of the crankshaft.
  • the structure of the eccentric column 54 is symmetrically arranged, and the structure of the eccentric column 54 is reasonable and easy to form.
  • the eccentric portion 542 is provided with a receiving hole 543 communicating with the first through hole 520 in a radial direction thereof, and the assembling mechanism 50 further includes an elastically stretchable portion.
  • the elastic pushing member 56 of the receiving hole 543 extends from the end of the elastic pushing member 56 to the outside of the receiving hole 543 and abuts against the inner peripheral wall of the first through hole 520.
  • the elastic pushing member 56 when the eccentric post 54 is rotated, the elastic pushing member 56 abuts against the inner peripheral wall of the first through hole 520, so that the outer peripheral surface of the eccentric portion 542 and the first through hole can be enlarged.
  • the friction between the inner peripheral walls of 520 better limits the connector 52.
  • the elastic pushing member 56 is a bead screw.
  • the tip end of the bead screw abuts against the inner peripheral wall of the first through hole 520.
  • a bead screw is provided on the circumferential surface of the eccentric portion 542, and the bead screw abuts against the inner peripheral wall of the first through hole 520.
  • the bead screw generally includes a housing having a mouth, a spring disposed in the housing, and a metal ball abutting against one end of the spring, at least a portion of the metal ball being located outside the mouth, and the outer peripheral surface of the housing being threaded.
  • Other structures of the bead screw are well known and understood by those skilled in the art and therefore will not be described again.
  • the elastic pushing member 56 includes a fixing post (not shown) received and fixed in the receiving hole 543, and an ejector portion attached to the end of the fixing post. (not shown) and an elastic member that is sleeved on the fixing post and elastically abuts against the pushing portion and the fixing post to elastically expand and contract the pushing portion relative to the fixing column (not Illustration).
  • the elastic pushing member 56 is disposed at a partial position by a screw connection Inside the stem 54, the metal ball on the elastic pushing member 56 protrudes outward from the outer peripheral surface of the eccentric post 54.
  • the metal ball abuts against the inner wall of the first through hole 520, and the metal ball moves toward the inside of the housing to compress the spring, so that the spring exerts a force through the inner wall of the first through hole 520 of the metal ball box to increase the eccentric column 54. Frictional force with the inner wall of the first through hole 520.
  • the eccentric post 54 further includes an adjustment section 544 extending along an axial direction of the rotating body 540 and extending to the first through hole. Outside the 520, rotating the adjustment section 544 causes the rotating body 540 and the eccentric portion 542 to rotate relative to the connecting member 52.
  • the end of the adjustment section 544 is provided with an indication mark 546; the end of the adjustment section 544 is provided with a insertion slot 548 for inserting an adjustment workpiece, or An adjustment protrusion (not shown) for facilitating adjustment is disposed at an end of the adjustment section 544, and the indicator mark 546 is located outside the insertion slot 548 or the adjustment protrusion.
  • the adjustment section 544 is disposed in front of the eccentric post 54, that is, the adjustment section 544 is coupled to the front end face of the eccentric post 54.
  • the adjustment section 544 is provided with a insertion slot 548.
  • the cross-sectional shape of the insertion slot 548 can be formed in a hexagonal shape so that the eccentric post 54 can be rotated by the screw insertion slot 548 for the operator to assemble.
  • An indication mark 546 is provided adjacent to the insertion groove 548, whereby the operator can discriminate the rotation angle of the eccentric post 54 based on the position of the indication mark 546.
  • the connecting member 52 is provided with at least two marking portions 522 for marking the rotational position of the indicating indicator 546 at the edge of the first through hole 520.
  • the marking portion 522 is formed as a hole or a boss. In other words, the marking portion 522 is formed as a hole structure or a boss structure, and the marking portion 522 can prompt the operator to rotate the eccentric post 54 to an appropriate angle.
  • each of the marking portions 522 is disposed along a circumferential interval of the first through holes 520.
  • the connecting member 52 is provided with an observation hole 524 for observing a gap between the first box 10 and the second box 20.
  • the observation hole 524 is located between the first through hole 520 and the first connection portion.
  • the connecting member 52 is connected to the second box 20 ⁇ , and the gap between the first box 10 and the second box 20 can be observed through the observation hole 524, so that the operator can connect the first box 10 and the second box. 20.
  • the assembling mechanism 50 further includes a limiting member 70 disposed on the first housing 10 or the second housing 20, and the connecting member 52 A limiting hole 526 is provided on the limiting member 70.
  • the limiting member 70 is adapted to limit the connecting member 52 to the first box 10 or the second box through the limiting hole 526 On the body 20, to play a limit role.
  • the connecting member 52 is rotated to a state perpendicular to the edge of the first casing 10, and the connecting member 52 can be restricted to the first casing 10 or the second casing by the limiting member 70 passing through the limiting hole 526. 20, it is convenient for the operator to determine the position of the connecting member 52, and the assembly of the first case 10 and the second case 20 is more convenient.
  • the limiting hole 526 is elongated along the moving direction of the connecting member 52.
  • the limiting member 70 includes a limiting rod 72 that is inserted into the limiting hole 526 , and is disposed at the end of the limiting rod 72 and located at the end a limiting head 74 on one side of the outer surface of the connecting member 52 and a locking member 76 screwed to the side of the limiting rod 72 away from the limiting head 74, the limiting rod 72 is provided with a seat
  • the locking indexing portion 78 is engaged with the limiting hole 526.
  • the limiting member 70 is an indexing pin. Therefore, the structure of the limiting member 70 is simple, and the locking member 70 can be locked to a certain position by screwing the indexing pin into the limiting hole 526. If the connecting member 52 needs to be adjusted, the branching member can be divided. The pin is inserted into the limiting hole 5 26 and the indexing pin is in a locked state, whereby the positioning of the connecting member 52 is more convenient.
  • the assembling mechanism 50 further includes a fixing member 60.
  • the first connecting portion and the second connecting portion are respectively formed as a second through hole 528 and a third through hole 22, and the second through hole
  • the hole 528 is spaced apart from the first through hole 520 and disposed on the connecting member 52.
  • the fixing member 60 is adapted to pass the second through hole 528 and the third through hole 22 to connect the connecting member 52 to the second case 20.
  • the connection of the connecting member 52 and the second case 20 can be made more convenient by the fixing member 60 passing through the second through hole 528 and the third through hole 22 to connect the second case 20.
  • the securing member 60 is a pin.
  • the connection of the connecting member 52 to the second case 20 can be achieved by screwing the pin into the second through hole 528 and the third through hole 22 and locking the pin to each of the connecting holes.
  • a first receiving groove and a second receiving groove are respectively disposed on the first case 10 and the second case 20.
  • the rotating hole 12 is located at the bottom of the first receiving groove
  • at least a portion of the eccentric post 54 is located in the first receiving groove
  • the second connecting portion is located in the second receiving groove.
  • At least a portion of the connector 52 is located within the first receiving slot.
  • At the connection of the first connecting portion of the connecting member 52 to the second connecting portion at least a portion of the connecting member 52 projects into the second receiving groove.
  • the connecting member 52 is located in the first receiving groove and the second receiving groove, and the connecting member 52 is not exposed outward, so that the connected first case 10 and the second case 20 can be made more beautiful.
  • each of the first box body 10 and each of the second box bodies 20 includes an LED lamp surface 30 and a base body 40
  • the splicing mechanism further includes An eccentric member 80 mounted on the base 40
  • a mounting groove 42 is recessed around the edge of the base body 40 adjacent to the other base 40 , and the bottom of the mounting groove 42 is provided with a through hole extending through the base body 40 .
  • the eccentric member 80 includes an eccentric disk 82 and is offset from the center of the eccentric disk 82
  • An extended rotating shaft 84, the eccentric disk 82 is rotatably mounted in the mounting groove 42, and the rotating shaft 84 passes through the through hole 46 to rotate the rotating shaft 84 through the eccentric
  • the disk 82 is rotated or turned back to the edge of the end face of the base 40 to move.
  • the assembling mechanism 50 is provided with an eccentric member 80 on the periphery of the base 40. The axis of the eccentric member 80 is perpendicular to the lamp surface.
  • the eccentric disk 82 When the rotating shaft 84 is rotated, the eccentric disk 82 can be protruded from the end surface of the base 40, and the rotating shaft 84 can also be rotated.
  • the eccentric disk 82 is retracted into the base body 40.
  • the eccentric disk 82 Before the base body 40 is assembled, the eccentric disk 82 is rotated and protruded from the end surface of the base body 40, so that the assembled cymbal base 40 just contacts the cymbal to form a protective gap, and the upper base body 40 is positioned by the positioning pin and
  • the matching of the locating pin holes and the weight of the locating pins are smoothly placed on the eccentric disk 82 of the lower base 40, and then the rotating shaft 84 is rotated to slowly approach the base 40, thereby avoiding the impact of the base 40 contacting the cymbal and reducing the assembly.
  • the tension of personnel improve work efficiency.
  • the mounting groove 42 is a circular groove, and a slit is formed on the edge of the base 40 to facilitate the rotation of the eccentric disk 82.
  • the diameter of the rotating shaft 84 is smaller than the diameter of the eccentric disk 82, the eccentric disk 82 is rotatably mounted in the mounting groove 42, and the rotating shaft 84 passes through the through hole 46; Rotating the rotating shaft 84A, the end of the eccentric disk 82 farthest from the axis of the rotating shaft 84 can be disposed along the end surface of the base 40 spliced via the mounting groove 42.
  • the mouth of the eccentric disk 82 is turned out of the end face of the base body 40, and the end of the eccentric disk 82 which is closest to the axis of the rotating shaft 84 is rotatably hidden inside the base body 40.
  • the mounting groove 42 is provided with an opening on the end surface of the base 40 to facilitate the transfer of the eccentric disk 82.
  • the eccentric disk 82 is located in the mounting groove 42 on the LED lamp surface 30 and the first box 10 or the second box. 20 is between the center of gravity of the center of gravity parallel to the LED face 30. In this way, the overall center of gravity can be ensured on the side of the base 40, and the first and second upper casings 10 or 20 can ensure the large gap between the bases 40 due to the action of the eccentric disk 82.
  • the base 40 The flared clearance hole has a small gap, thereby protecting the LED lamp surface 30.
  • the eccentric disk 82 is turned out of the end face of the base 40, and there is a gap between the adjacent LED lamps 30. Can be avoided
  • the LED lamp surface 30 collides before assembly.
  • the assembling mechanism 50 further includes the mounting groove 42 facing the opening of the LE D lamp surface 30 and for preventing the eccentric 80 from moving axially.
  • End cap 89 The end cap 89 is screwed to the base 40 to ensure that the eccentric disc 82 has sufficient rotational space within the mounting groove 42.
  • the eccentric disk 82 is rotated out of the end face ⁇ of the base 40, and there is a gap between the adjacent LED lamp faces 30.
  • the eccentric member 80 can be used as a compensation for the assembly gap of the base body 40.
  • the rotation shaft 84 can be reversely rotated to allow the rotation shaft 84 to be rotated.
  • the eccentric disk 82 protrudes from the end faces of the base 40, so that the difference between the actual pitch and the theoretical pitch can be compensated, and the infinite adjustment of the gap between the substrates 40 can be realized.
  • a tool operation hole 86 or a tool operation groove is concavely disposed on the top surface of the rotating shaft 84, or a tool operation table is protruded.
  • the end of the rotating shaft 84 is recessed with a tool operating hole 86 or a tool operating slot.
  • a hexagonal hole is preferably used.
  • the end surface of the rotating shaft 84 may also be a tool similar to a stud head. Operator stations, such as hexagonal nuts.
  • the assembling mechanism 50 further includes a fixing base 90 fixedly mounted on each of the bases 40 , and the fixing base 90 is provided to be electrically connected to the through hole 46 .
  • the through hole 96 passes through the through hole 46 and the through hole 96 and protrudes out of the fixing seat 90.
  • the two adjacent fixing bases 90 are connected at the joint by corresponding positioning pins 98 or positioning pin holes 99.
  • the fixing base 90 is fixed to the base body 40 by a stud or a screw, and the fixing base 90 is provided with a rotating shaft 84 through hole 96 corresponding to the surface of the base 40 (not shown);
  • the pin 98 or the positioning pin hole 99 can also be disposed on the fixing base 90 as shown in the drawing; the positioning pin 98 or the positioning pin hole 99 is correspondingly disposed on the two spliced base 40 or the fixing base 90, and the function is It is possible to pre-position well before splicing, which can reduce splicing or other problems during the splicing process.
  • the top surface of the rotating shaft 84 is provided with an eccentric indication mark 88 of the eccentric disk 82 .
  • the fixing base 90 is provided with an "OUT" mark 92 indicating the rotation of the eccentric disk 82 and an "IN” mark 94 which is turned back.
  • the eccentric indicator mark 88 is provided on the fixing base 90 for indicating that the eccentric disk 82 is turned out of the 'OUT' mark 92 and the back "IN” mark 94, and the eccentric indicator mark 880 points to the "OUT" mark 9 2 ⁇ , indicating that the eccentric disc 82 is turned out of the end surface of the base 40, and the eccentric indicator 88 is pointed at the ' ⁇ ' mark 94 ⁇ , the table
  • the eccentric disk 82 is turned back into the base 40.
  • the fixing base 90 is provided with a rotational direction indicator of the rotating shaft 84.
  • the direction of rotation identification can be set to 0° rotation or just 180° rotation depending on the setting of the mounting groove 42.
  • the fixing base 90 is provided with an indicator indicating a rotation direction of the rotating shaft 84. This symbol is an arrow.
  • the present invention further provides an LED display screen 100 including at least two boxes and a assembling mechanism 50 for connecting two adjacent boxes.
  • the assembling mechanism 50 For the above assembly mechanism 50. Since the above-described assembling mechanism 50 has the above-mentioned advantageous technical effects, the LED display screen 100 having the above-described assembling mechanism 50 also has a corresponding technical effect, and therefore will not be described again.

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Abstract

一种拼装机构（50）用于连接LED显示屏(100)中相邻的第一箱体(10)和第二箱体(20)，拼装机构(50)包括连接件(52)和偏心柱(54)，旋转偏心柱(54)并调节偏心部(542)于旋转孔(12)的位置。该拼装机构(50)中的第一箱体(10)和第二箱体(20)通过连接件(52)和偏心柱(54)连接后，通过旋转偏心柱(54)，可以使第一箱体(10)和第二箱体(20)之间的间距逐渐减小为零，避免在第一箱体(10)和第二箱体(20)的连接和相互接近的过程中发生碰撞，第一箱体(10)和第二箱体(20)的连接过程更加稳定可控，在连接过程中第一箱体(10)和第二箱体(20)的间距可以调节。

Description

说明书 发明名称：拼装机构及 LED显示屏 技术领域
[0001] 本发明涉及 LED显示屏技术领域， 更具体地说， 是涉及一种拼装机构及具有该 拼装机构的 LED显示屏。
背景技术
[0002] LED (Light Emitting Diode: 发光二极管） 显示屏， 如 LED全彩屏， 通常采用 若干个单元箱体拼装而成， 在拼装过程中， 箱体之间容易发生碰撞。 由于 LED 灯珠的脆弱性， 特别是当箱体尺寸较大、 重量较重吋， 很容易出现碰坏 LED灯 珠的情况， 从而使维护工序增加， 成本上升。 将若干个单元箱体拼装在一起的 过程中， 相邻两个箱体的间隙不同， 会形成不同显示效果， 现有的 LED显示屏 难以调节相邻两个箱体的拼缝或间隙。
[0003] 通常， LED大显示屏都是由多个 LED单元基体拼装组成， 当 LED灯之间的中心 距很小 （如 2mm以下） 吋， 基体之间灯与灯的距离也就会很小， 再加上 LED灯 本身尺寸就很小 (如 l.Ommxl.Omm, 或 0.8mmx0.8mm或 0.5mmx0.5mm) ， 而小 焊盘焊接强度有限。 拼装基体吋需要拼装人员非常小心的把两个基体进行靠近 ， 然后进行焊接， 有吋候， 拼装人员操作过程中因为紧张手抖一下或者因基体 自重向下的冲击力就很容易碰坏或碰掉灯， 使得拼装效果不佳， 而且这样会导 致基体拼装吋拼装人员高度紧张， 容易使装人员疲劳， 从而工作强度大但工作 效率低。
技术问题
[0004] 本发明的目的在于提供一种拼装机构， 旨在解决现有技术中相邻两个 LED箱体 连接吋的间隙不能调整的技术问题。
问题的解决方案
技术解决方案
[0005] 本发明是这样实现的， 一种拼装机构， 适用于 LED显示屏， 所述 LED显示屏包 括至少一个第一箱体和第二箱体， 所述拼装机构用于连接相邻的所述第一箱体 和所述第二箱体， 所述第一箱体上设有旋转孔， 所述拼装机构包括：
[0006] 连接件， 所述连接件的一端活动连接于所述第一箱体以及另一端连接于所述第 二箱体， 所述连接件设有与所述旋转孔相对的第一通孔；
[0007] 偏心柱， 所述偏心柱包括插设于所述第一通孔和所述旋转孔内的旋转主体以及 沿所述旋转主体外侧突出以相对于所述旋转主体的中心轴形成偏心结构并收容 于所述第一通孔的偏心部， 旋转所述偏心柱并调节所述偏心部于所述旋转孔的 位置， 从而使所述连接件带动所述第二箱体朝向所述第一箱体一侧移动。
[0008] 进一步地， 所述偏心部沿所述旋转主体轴向突出设置且沿所述旋转主体的径向 呈半径不等设置。
[0009] 进一步地， 所述偏心部和所述旋转主体沿所述旋转主体的径向呈对称设置， 且 所述偏心部沿所述对称轴两侧的厚度由厚变薄。
[0010] 进一步地， 所述偏心部于其径向设有与所述第一通孔相通的收容孔， 所述拼装 机构还包括弹性伸缩于所述收容孔的弹性顶推件， 所述弹性顶推件的末端伸出 至所述收容孔外部并与所述第一通孔的内周壁抵接。
[0011] 进一步地， 所述弹性顶推件为波珠螺丝。
[0012] 进一步地， 所述弹性顶推件包括收容并固定于所述收容孔内的固定柱、 安装于 所述固定柱端部的顶推部以及套设于所述固定柱上并弹性抵持于所述顶推部与 所述固定柱上以使所述顶推部相对于所述固定柱弹性伸缩的弹性件。
[0013] 进一步地， 所述偏心柱还包括调节段， 所述调节段沿所述旋转主体的轴向延伸 并伸出至所述第一通孔外面， 转动所述调节段带动旋转主体和偏心部相对所述 连接件转动。
[0014] 进一步地， 所述调节段的末端上设有指示标示； 所述调节段的末端设有用于插 设调节工件的插接槽， 或者， 所述调节段的末端凸设有便于调节用的调节凸起 ， 所述指示标示位于所述插接槽或者调节凸起的外侧。
[0015] 进一步地， 所述连接件于所述第一通孔的边缘设有至少两个个用于标记所述指 示标示旋转位置的标记部。
[0016] 进一步地， 各所述标记部沿所述第一通孔的周向间隔设置。
[0017] 进一步地， 所述连接件上设有用于观察所述第一箱体和所述第二箱体之间间隙 的观测孔。
[0018] 进一步地， 所述拼装机构还包括设于所述第一箱体或者所述第二箱体上的限位 件， 所述连接件上设有与所述限位件配合的限位孔。
[0019] 进一步地， 所述限位孔沿所述连接件的移动方向呈长条状。
[0020] 进一步地， 所述限位件包括插接于所述限位孔的限位杆、 设置于所述限位杆一 端部并位于所述连接件外表面一侧的限位头以及旋接于所述限位杆之远离所述 限位头一侧的锁紧件， 所述限位杆上设有与所述限位孔配合的带锁分度部。
[0021] 进一步地， 所述拼装机构还包括固定件， 所述连接件设有第二通孔， 所述第二 箱体设有与所述第二通孔相通的第三通孔， 所述固定件固定于所述第二通孔和 所述第三通孔中。
[0022] 进一步地， 各所述第一箱体和各所述第二箱体均包括 LED灯面和基体， 所述拼 接机构还包括安装于所述基体上的。
[0023] 进一步地， 所述基体四周邻接另一基体的边缘处凹设有安装槽， 所述安装槽底 部设有可贯穿所述基体的通孔， 所述通孔中心线偏离所述安装槽的中心且与所 述 LED灯面垂直； 所述偏心件包括偏心圆盘和偏离所述偏心圆盘圆心处向外延伸 的转动轴， 所述偏心圆盘可转动地安装在所述安装槽内， 所述转动轴穿过所述 通孔， 使所述转动轴转动吋， 通过所述偏心圆盘转出或转回于所述基体端面边 缘移动。
[0024] 进一步地， 所述安装槽为圆形槽， 于所述基体拼接的边缘幵设有便于所述偏心 圆盘转出的幵口。
[0025] 进一步地， 所述偏心圆盘在所述安装槽内位于所述 LED灯面与所述 LED单元箱 体沿平行于所述 LED灯面的重心垂面之间。
[0026] 进一步地， 所述拼装机构还包括所述安装槽朝所述 LED灯面的幵口方向并用于 防止所述偏心件轴向移动的端盖。
[0027] 进一步地， 所述偏心圆盘转出所述基体端面吋， 两邻近的所述 LED灯面间有空 隙。
[0028] 进一步地， 所述转动轴顶面上凹设有工具操作孔或者工具操作槽， 或者凸设有 工具操作台。 [0029] 进一步地， 所述拼装机构还包括固定安装于各所述基体上的固定座， 所述固定 座设有与通孔相导通的过孔， 所述转动轴穿过所述通孔和所述过孔并伸出至所 述固定座外。
[0030] 进一步地， 相邻两所述固定座于接缝处通过相对应设置的定位销钉或定位销孔
[0031] 进一步地， 所述转动轴顶面设有所述偏心圆盘的偏心指示标识。
[0032] 进一步地， 所述固定座上设有指示所述偏心圆盘转出的" OUT"标识和转回的 "I N"标识。
[0033] 进一步地， 所述固定座上设有指示所述转动轴旋转方向的标识。
[0034] 本发明还提供了一种 LED显示屏， 包括至少两个的箱体以及用于连接相邻两所 述箱体的拼装机构， 所述拼装机构为上述拼装机构。
发明的有益效果
有益效果
[0035] 本发明相对于现有技术的技术效果是： 该拼装机构中的第一箱体和第二箱体通 过连接件和偏心柱连接后， 通过旋转偏心柱， 可以使第一箱体和第二箱体之间 的间距逐渐减小为零， 避免在第一箱体和第二箱体的连接和相互接近的过程中 发生碰撞， 第一箱体和第二箱体的连接过程更加稳定可控， 在连接过程中第一 箱体和第二箱体的间距可以调节。
对附图的简要说明
附图说明
[0036] 为了更清楚地说明本发明实施例的技术方案， 下面将对本发明实施例或现有技 术描述中所需要使用的附图作简单地介绍， 显而易见地， 下面所描述的附图仅 仅是本发明的一些实施例， 对于本领域普通技术人员来讲， 在不付出创造性劳 动的前提下， 还可以根据这些附图获得其他的附图。
[0037] 图 1是本发明的拼装机构的结构示意图；
[0038] 图 2是本发明的拼装机构的剖面示意图；
[0039] 图 3是本发明的拼装机构的连接片处的局部示意图；
[0040] 图 4是本发明的拼装机构的连接片、 偏心柱和固定件的结构示意图； [0041] 图 5是本发明的拼装机构的偏心柱的结构示意图；
[0042] 图 6是本发明的拼装机构的偏心柱旋转吋连接片的位置变化示意图；
[0043] 图 7是本发明的拼装机构的连接片和限位件的装配示意图；
[0044] 图 8是本发明实施例提供的安装槽在 LED显示屏上的示意图；
[0045] 图 9是本发明实施例提供的 LED显示屏拼接吋偏心圆盘转出端面吋的示意图;
[0046] 图 10是本发明实施例提供的 LED显示屏的局部分解图；
[0047] 图 11是本发明实施例提供的图 9中偏心圆盘处的局部放大图；
[0048] 图 12本发明实施例提供的安装槽的结构图；
[0049] 图 13是本发明实施例提供的偏心组件的结构图。
[0050] 附图标记说明：
[]
[表 1]
Figure imgf000008_0001
本发明的实施方式
[0051] 下面详细描述本发明的实施例， 所述实施例的示例在附图中示出， 其中自始至 终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。 下 面通过参考附图描述的实施例是示例性的， 旨在用于解释本发明， 而不能理解 为对本发明的限制。
[0052] 在本发明的描述中， 需要理解的是， 术语"长度"、 "宽度"、 "上"、 "下"、 "前" 、 "后"、 "左"、 "右"、 "竖直"、 "水平"、 "顶"、 "底 ""内"、 "外"等指示的方位或 位置关系为基于附图所示的方位或位置关系， 仅是为了便于描述本发明和简化 描述， 而不是指示或暗示所指的装置或元件必须具有特定的方位、 以特定的方 位构造和操作， 因此不能理解为对本发明的限制。
[0053] 此外， 术语"第一"、 "第二 "仅用于描述目的， 而不能理解为指示或暗示相对重 要性或者隐含指明所指示的技术特征的数量。 由此， 限定有 "第一"、 "第二 "的特 征可以明示或者隐含地包括一个或者更多个该特征。 在本发明的描述中， "多个" 的含义是两个或两个以上， 除非另有明确具体的限定。
[0054] 在本发明中， 除非另有明确的规定和限定， 术语"安装"、 "相连"、 "连接"、 "固 定"等术语应做广义理解， 例如， 可以是固定连接， 也可以是可拆卸连接， 或成 一体； 可以是机械连接， 也可以是电连接； 可以是直接相连， 也可以通过中间 媒介间接相连， 可以是两个元件内部的连通或两个元件的相互作用关系。 对于 本领域的普通技术人员而言， 可以根据具体情况理解上述术语在本发明中的具 体含义。
[0055] 为了使本发明的目的、 技术方案及优点更加清楚明白， 以下结合附图及实施例
， 对本发明进行进一步详细说明。
[0056] 请参照图 1至图 13， 本发明实施例提供的拼装机构适用于 LED显示屏 100， 所述
LED显示屏 100包括至少一个第一箱体 10和第二箱体 20， 所述拼装机构用于连接 相邻的所述第一箱体 10和所述第二箱体 20， 所述第一箱体 10上设有旋转孔 12， 所述拼装机构 50包括：
[0057] 连接件 52， 所述连接件 52的一端活动连接于所述第一箱体 10以及另一端连接于 所述第二箱体 20， 所述连接件 52设有与所述旋转孔 12相对的第一通孔 520;
[0058] 偏心柱 54， 所述偏心柱 54包括插设于所述第一通孔 520和所述旋转孔 12内的旋 转主体 540以及沿所述旋转主体 540外侧突出以相对于所述旋转主体 540的中心轴 形成偏心结构并收容于所述第一通孔 520的偏心部 542， 旋转所述偏心柱 54并调 节所述偏心部 542于所述旋转孔 12的位置， 从而使所述连接件 52带动所述第二箱 体 20朝向所述第一箱体 10—侧移动。
[0059] 本发明实施例提供的拼装机构 50中的第一箱体 10和第二箱体 20通过连接件 52和 偏心柱 54连接后， 通过旋转偏心柱 54， 可以使第一箱体 10和第二箱体 20之间的 间距逐渐减小为零， 避免在第一箱体 10和第二箱体 20的连接和相互接近的过程 中发生碰撞， 第一箱体 10和第二箱体 20的连接过程更加稳定可控， 在连接过程 中第一箱体 10和第二箱体 20的间距可以调节。
[0060] 可选地， 连接件 52包括设有所述第一通孔 520的第一连接部， 第一通孔 520大致 为圆孔。 第二箱体 20上设有第二连接部， 连接件 52上的第一连接部适于与第二 箱体 20上的第二连接部连接。 需要说明的是， 第一连接部与第二箱体 20的连接 方式没有限制， 例如， 第一连接部与第二连接部的连接方式可以为卡接、 套接 等连接方式。
[0061] 在该实施例中， 旋转主体 540插入连接件 52的第一通孔 520和第一箱体 10的旋转 孔 12内， 连接件 52可以绕旋转主体 540旋转。 连接件 52上的第一连接部适于与第 二箱体 20连接。 需要说明的是， 第一连接部与第二连接部的连接方式没有限制 ， 例如， 第一连接部与第二连接部的连接方式可以为卡接、 套接、 螺栓连接、 螺钉连接、 销钉连接等连接方式。
[0062] 在该实施例中， 旋转孔 12至第一箱体 10边缘处的距离和第二连接部至第二箱体 20边缘处的距离之和小于连接件 52上的第一通孔 520至第一连接部的距离和偏心 距之和。 当偏心部 542的中心位于最上端或者最下端吋， 偏心部 542的中心与旋 转主体 540中心在竖直方向上的距离与偏心距相等。 若偏心部 542的中心位于最 上端吋， 并且连接件 52也尽可能向上伸出第一箱体 10的边缘吋， 也就是使连接 件 52与第一箱体 10的边缘保持垂直。 此吋连接件 52向外伸出的距离最长。 由于 旋转孔 12至第一箱体 10边缘处的距离和第二连接部至第二箱体 20边缘处的距离 之和小于连接件 52上的第一通孔 520至第一连接部的距离和偏心距之和， 将第二 箱体 20上的第二连接部与连接件 52上的第一连接部连接， 第一箱体 10的边缘和 第二箱体 20的边缘之间具有一定的间隙， 通过连接件 52连接第一箱体 10和第二 箱体 20吋， 第一箱体 10和第二箱体 20间隔幵而不会发生碰撞； 然后再将偏心部 5 42向下旋转， 第二箱体 20的边缘渐渐靠近第一箱体 10的边缘， 第一箱体 10和第 二箱体 20之间的间隙逐渐变小直至为零。
[0063] 旋转偏心柱 54吋， 连接件 52整体绕着旋转主体 540的中心移动。 由此， 在将第 一箱体 10和第二箱体 20通过连接件 52和偏心柱 54的连接的过程中， 可以避免第 一箱体 10和第二箱体 20发生碰撞。
[0064] 由此， 根据本发明实施例的拼装机构 50， 将偏心柱 54旋转至最上端的位置， 第 二箱体 20上的第二连接部与连接件 52上的第一连接部连接吋， 由于旋转孔 12至 第一箱体 10边缘处的距离和第二连接部至第二箱体 20边缘处的距离之和小于连 接件 52上的第一通孔 520至第一连接部的距离和偏心距之和， 第一箱体 10的边缘 和第二箱体 20的边缘之间具有一定的间隙， 可以避免第一箱体 10和第二箱体 20 之间发生碰撞， 使装配更加方便。 同吋， 第一箱体 10和第二箱体 20通过连接件 5 2和偏心柱 54连接后， 通过旋转偏心柱 54， 可以使第一箱体 10和第二箱体 20之间 的间距减小为零， 避免在第一箱体 10和第二箱体 20的连接和相互接近的过程中 发生碰撞， 第一箱体 10和第二箱体 20的连接过程更加稳定可控， 在连接过程中 第一箱体 10和第二箱体 20的间距可以调节。
[0065] 可选地， 旋转孔 12在第一箱体 10上的位置没有限制， 第二连接部在第二箱体 20 上的位置没有限制。 可选地， 旋转孔 12位于邻近第一箱体 10的边缘处， 第二连 接部位于邻近第二箱体 20的边缘处。
[0066] 可选地， 旋转孔 12至第一箱体 10边缘处的距离和第二连接部至第二箱体 20边缘 处的距离之和等于连接件 52上的第一通孔 520至第一连接部的距离。
[0067] 可选地， 连接件 52大致形成为板状或片状， 连接件 52的形状没有限制， 只要连 接件 52能够连接第一箱体 10和第二箱体 20即可， 例如， 连接件 52的形状大致为 矩形。 由此， 连接件 52的结构简单， 并且也易于和第一箱体 10和第二箱体 20连 接。 连接件 52的数量没有限制， 只要连接件 52能够稳固连接第一箱体 10和第二 箱体 20即可， 例如， 可以根据装配需要设置一个或者多个连接件 52连接第一箱 体 10和第二箱体 20。
[0068] 请参照图 1至图 5， 进一步地， 所述偏心部 542沿所述旋转主体 540轴向突出设置 且沿所述旋转主体 540的径向呈半径不等设置。 旋转主体 540可枢转地设置在第 一通孔 520内， 旋转主体 540大致形成为柱状， 从旋转主体 540的周面沿其径向向 外延伸形成偏心部 542。 具体地， 也就是偏心部 542的径向尺寸大于旋转主体 540 的径向尺寸。 由此， 偏心部 542和旋转主体 540之间具有一定的偏心距。
[0069] 优选地， 所述偏心部 542和所述旋转主体 540沿所述旋转主体 540的径向呈对称 设置， 且所述偏心部 542沿所述对称轴两侧的厚度由厚变薄。 偏心部 542大致形 成为月牙形， 且对称设置， 偏心部 542可以在第一通孔 520内旋转。 偏心部 542的 轴线与旋转主体 540的轴线之间具有偏心距。 偏心柱 54的结构大致与曲轴相似。 ， 偏心柱 54的结构呈对称设置， 偏心柱 54的结构合理， 易于成型。
[0070] 请参照图 1至图 5， 进一步地， 所述偏心部 542于其径向设有与所述第一通孔 520 相通的收容孔 543， 所述拼装机构 50还包括弹性伸缩于所述收容孔 543的弹性顶 推件 56， 所述弹性顶推件 56的末端伸出至所述收容孔 543外部并与所述第一通孔 520的内周壁抵接。 由此， 通过设置弹性顶推件 56， 当偏心柱 54旋转吋， 弹性顶 推件 56与第一通孔 520的内周壁抵接， 从而可以增大偏心部 542的外周面和第一 通孔 520的内周壁之间的摩擦力， 更好地对连接件 52进行限位。
[0071] 请参照图 2， 优选地， 所述弹性顶推件 56为波珠螺丝。 波珠螺丝的顶端与第一 通孔 520的内周壁抵接。 偏心部 542上的周面上设有波珠螺丝， 波珠螺丝与第一 通孔 520的内周壁抵接。 波珠螺丝大致包括具有幵口的壳体、 设于壳体内的弹簧 和与弹簧一端抵接的金属球， 金属球的至少一部分位于幵口外， 壳体的外周面 上设有螺纹。 波珠螺丝的其他结构为本领域技术人员容易获知并理解的技术内 容， 因此不再进行赘述。
[0072] 请参照图 2， 优选地， 所述弹性顶推件 56包括收容并固定于所述收容孔 543内的 固定柱 （未图示） 、 安装于所述固定柱端部的顶推部 （未图示） 以及套设于所 述固定柱上并弹性抵持于所述顶推部与所述固定柱上以使所述顶推部相对于所 述固定柱弹性伸缩的弹性件 （未图示） 。 弹性顶推件 56通过螺纹连接设置在偏 心柱 54的内部， 弹性顶推件 56上的金属球向外凸出于偏心柱 54的外周面。 金属 球与第一通孔 520的内壁抵接吋， 金属球会向壳体内部移动使弹簧受到压缩， 从 而弹簧通过金属球箱第一通孔 520的内壁施加作用力， 以增大偏心柱 54与第一通 孔 520的内壁之间的摩擦力。
[0073] 请参照图 1至图 5， 进一步地， 所述偏心柱 54还包括调节段 544， 所述调节段 544 沿所述旋转主体 540的轴向延伸并伸出至所述第一通孔 520外面， 转动所述调节 段 544带动旋转主体 540和偏心部 542相对所述连接件 52转动。
[0074] 请参照图 1至图 7， 进一步地， 所述调节段 544的末端上设有指示标示 546; 所述 调节段 544的末端设有用于插设调节工件的插接槽 548， 或者， 所述调节段 544的 末端凸设有便于调节用的调节凸起 （未图示） ， 所述指示标示 546位于所述插接 槽 548或者调节凸起的外侧。 调节段 544设置在偏心柱 54的前方， 也就是调节段 5 44与偏心柱 54的前端面连接。 调节段 544上设有插接槽 548， 插接槽 548的截面形 状可以形成为六角形， 从而可以通过螺杆插入插接槽 548转动偏心柱 54， 方便操 作人员装配。 邻近插接槽 548处设置有指示标示 546， 由此， 操作人员可以根据 指示标示 546的位置辨别偏心柱 54的旋转角度。
[0075] 请参照图 1至图 7， 进一步地， 所述连接件 52于所述第一通孔 520的边缘设有至 少两个个用于标记所述指示标示 546旋转位置的标记部 522。 标记部 522形成为孔 或凸台。 换言之， 标记部 522形成为孔结构或者凸台结构， 标记部 522可以提示 操作人员将偏心柱 54旋转至合适的角度。
[0076] 优选地， 各所述标记部 522沿所述第一通孔 520的周向间隔设置。
[0077] 请参照图 1、 图 2和图 6， 进一步地， 所述连接件 52上设有用于观察所述第一箱 体 10和所述第二箱体 20之间间隙的观测孔 524。 观测孔 524位于第一通孔 520和第 一连接部之间。 具体地， 连接件 52连接第二箱体 20吋， 可以通过观测孔 524观察 第一箱体 10和第二箱体 20之间的间隙， 便于操作人员连接第一箱体 10和第二箱 体 20。
[0078] 请参照图 1和图 7， 进一步地， 所述拼装机构 50还包括设于所述第一箱体 10或者 所述第二箱体 20上的限位件 70， 所述连接件 52上设有与所述限位件 70配合的限 位孔 526。 限位件 70适于通过限位孔 526将连接件 52限制在第一箱体 10或第二箱 体 20上， 以起到限位作用。 具体地， 将连接件 52旋转至与第一箱体 10的边缘垂 直的状态吋， 可以通过限位件 70穿过限位孔 526将连接件 52限制在第一箱体 10或 者第二箱体 20上， 便于操作人员确定连接件 52的位置， 第一箱体 10和第二箱体 2 0的装配更方便。
[0079] 优选地， 所述限位孔 526沿所述连接件 52的移动方向呈长条状。
[0080] 请参照图 1和图 7， 进一步地， 所述限位件 70包括插接于所述限位孔 526的限位 杆 72、 设置于所述限位杆 72—端部并位于所述连接件 52外表面一侧的限位头 74 以及旋接于所述限位杆 72之远离所述限位头 74—侧的锁紧件 76， 所述限位杆 72 上设有与所述限位孔 526配合的带锁分度部 78。 可选地， 限位件 70为分度销。 由 此， 限位件 70的结构简单， 通过将分度销旋入限位孔 526， 可以将限位件 70的进 行锁定至某一位置， 若需要对连接件 52进行调整吋， 可以将分度销插入限位孔 5 26并使分度销处于锁紧状态， 由此连接件 52的定位更加方便。
[0081] 请参照图 1至图 7， 进一步地， 拼装机构 50还包括固定件 60， 第一连接部和第二 连接部分别形成为第二通孔 528和第三通孔 22， 第二通孔 528与第一通孔 520间隔 幵设置在连接件 52上， 固定件 60适于通过第二通孔 528和第三通孔 22以将连接件 52连接至第二箱体 20上。 由此， 通过固定件 60穿过第二通孔 528和第三通孔 22以 连接第二箱体 20， 可以使连接件 52和第二箱体 20的连接更加方便。 可选地， 固 定件 60为销钉。 具体地， 通过将销钉旋入第二通孔 528和第三通孔 22并且使销钉 锁紧各连接孔， 可以实现连接件 52与第二箱体 20的连接。
[0082] 可选地， 第一箱体 10和第二箱体 20上分别设置有第一容纳槽和第二容纳槽 （未 图示） 。 具体地， 旋转孔 12位于第一容纳槽的底部， 偏心柱 54的至少一部分位 于第一容纳槽内， 第二连接部位于第二容纳槽内。 连接件 52的至少一部分位于 第一容纳槽内。 在将连接件 52的第一连接部连接至第二连接部吋， 连接件 52的 至少一部分伸入第二容纳槽内。 由此， 连接件 52的至少一部分位于第一容纳槽 和第二容纳槽内， 连接件 52不向外露出， 可以使连接后的第一箱体 10和第二箱 体 20更加美观。
[0083] 请参照图 1， 图 8至图 13， 进一步地， 各所述第一箱体 10和各所述第二箱体 20均 包括 LED灯面 30和基体 40， 所述拼接机构还包括安装于所述基体 40上的偏心件 80 [0084] 请参照图 8至图 13， 进一步地， 所述基体 40四周邻接另一基体 40的边缘处凹设 有安装槽 42， 所述安装槽 42底部设有可贯穿所述基体 40的通孔 46， 所述通孔 46 中心线偏离所述安装槽 42的中心且与所述 LED灯面 30垂直； 所述偏心件 80包括偏 心圆盘 82和偏离所述偏心圆盘 82圆心处向外延伸的转动轴 84， 所述偏心圆盘 82 可转动地安装在所述安装槽 42内， 所述转动轴 84穿过所述通孔 46， 使所述转动 轴 84转动吋， 通过所述偏心圆盘 82转出或转回于所述基体 40端面边缘移动。 该 拼装机构 50通过在基体 40四周边缘加装偏心件 80， 偏心件 80轴线垂直于灯面， 当旋转转动轴 84吋， 可使偏心圆盘 82凸出基体 40端面， 也可旋转转动轴 84让偏 心圆盘 82收回到基体 40内， 基体 40拼装前， 把偏心圆盘 82旋转凸出基体 40端面 ， 使得拼装吋基体 40刚接触吋形成一个保护缝隙， 同吋上面基体 40靠定位销钉 和定位销孔的配合以及自身重量平稳放置在下面的基体 40的偏心圆盘 82上， 再 旋转转动轴 84， 使基体 40之间慢慢靠近， 这样可以避免基体 40接触吋的冲击力 ， 降低拼装人员的紧张性， 提高工作效率。
[0085] 请参照图 8和图 12， 进一步地， 所述安装槽 42为圆形槽， 于所述基体 40拼接的 边缘幵设有便于所述偏心圆盘 82转出的幵口。 所述转动轴 84的直径小于所述偏 心圆盘 82的直径， 所述偏心圆盘 82可转动地安装在所述安装槽 42内， 并且所述 转动轴 84穿过所述通孔 46; 当转动所述转动轴 84吋， 所述偏心圆盘 82上离所述 转动轴 84轴心最远的一端， 可以经由安装槽 42沿所述基体 40之间拼接的端面上 幵设的便于所述偏心圆盘 82转出的幵口转出所述基体 40端面边缘， 而偏心圆盘 8 2上离所述转动轴 84轴心最近的一端则可以旋转隐藏在所述基体 40里面。 所述安 装槽 42沿所述基体 40拼接的端面幵设有便于所述偏心圆盘 82可转出的幵口。
[0086] 请参照图 1， 图 8至图 13， 进一步地， 所述偏心圆盘 82在所述安装槽 42内位于所 述 LED灯面 30与所述第一箱体 10或者第二箱体 20沿平行于所述 LED灯面 30的重心 垂面之间。 这样可以保证整体重心在基体 40—侧， 拼接吋， 上下两个第一箱体 1 0或者第二箱体 20由于偏心圆盘 82的作用可保证基体 40间形成灯面的间隙大， 基 体 40间隙小的喇叭状间隙孔， 从而起到保护 LED灯面 30的效果， 同吋， 述偏心圆 盘 82转出所述基体 40端面吋， 两邻近的所述 LED灯面 30间有空隙， 这样可以避免 拼装前 LED灯面 30就出现碰撞。
[0087] 请参照图 8至图 13， 进一步地， 所述拼装机构 50还包括所述安装槽 42朝所述 LE D灯面 30的幵口方向并用于防止所述偏心件 80轴向移动的端盖 89。 端盖 89通过螺 钉固定在基体 40上同吋保证偏心圆盘 82在安装槽 42内有足够的转动空间。
[0088] 请参照图 8至图 13， 进一步地， 所述偏心圆盘 82转出所述基体 40端面吋， 两邻 近的所述 LED灯面 30间有空隙。 偏心件 80可作为基体 40拼装间隙的补偿， 当基体 40拼装完成后， 若发现基体 40之间相邻 LED灯的实际间距小于理论间距吋， 可以 反向旋转转动轴 84， 让转动轴 84的偏心圆盘 82凸出基体 40端面一些， 这样可以 补偿实际间距与理论间距的差值， 进而可以实现基体 40间空隙的无极调节。
[0089] 请参照图 8至图 13， 进一步地， 所述转动轴 84顶面上凹设有工具操作孔 86或者 工具操作槽， 或者凸设有工具操作台。 所述转动轴 84端面上凹设有工具操作孔 8 6或者工具操作槽， 在本实施例中优选为内六角孔， 本实施例中转动轴 84端面也 可以是凸设有类似螺柱头的工具操作台， 如六边形螺帽等。
[0090] 请参照图 8至图 13， 进一步地， 所述拼装机构 50还包括固定安装于各所述基体 4 0上的固定座 90， 所述固定座 90设有与通孔 46相导通的过孔 96， 所述转动轴 84穿 过所述通孔 46和所述过孔 96并伸出至所述固定座 90外。
[0091] 请参照图 8至图 13， 进一步地， 相邻两所述固定座 90于接缝处通过相对应设置 的定位销钉 98或定位销孔 99连接。 所述固定座 90通过螺柱或者螺钉固定在所述 基体 40上， 且所述固定座 90上与基体 40接触面上对应幵设有转动轴 84过孔 96 ( 图未示） ； 所述定位销钉 98或者定位销孔 99还可以设置在所述固定座 90上如图 所示； 所述定位销钉 98或定位销孔 99对应设置在两块拼接的基体 40或固定座 90 上， 其作用是可以在拼接前吋候预先做好定位， 这样可以减少拼接过程中拼接 不齐或者其他问题。
[0092] 请参照图 8至图 13， 进一步地， 所述转动轴 84顶面设有所述偏心圆盘 82的偏心 指示标识 88。 所述固定座 90上设有指示所述偏心圆盘 82转出的 "OUT"标识 92和转 回的" IN"标识 94。 偏心指示标识 88与所述固定座 90上设有指示所述偏心圆盘 82转 出' OUT"标识 92和转回 "IN"标识 94对应使用， 偏心指示标识 880指向" OUT"标识 9 2吋， 表示偏心圆盘 82转出基体 40端面， 偏心指示标识 88指向' ΊΝ"标识 94吋， 表 示偏心圆盘 82转回到基体 40内， 这样的设置可以让拼接人员更清楚的知道自己 下一步需要如何旋转转动轴 84， 此外， 所述固定座 90上设有转动轴 84旋转方向 标识， 旋转方向标识可以根据安装槽 42的设置可以设置为 0°旋转或者只是 180°旋 转。
[0093] 进一步地， 所述固定座 90上设有指示所述转动轴 84旋转方向的标识。 该标识为 箭头。
[0094] 请参照图 1至图 13， 本发明还提供了一种 LED显示屏 100包括至少两个的箱体以 及用于连接相邻两所述箱体的拼装机构 50， 所述拼装机构 50为上述拼装机构 50 。 由于上述的拼装机构 50具有上述的有益的技术效果， 因此具有上述拼装机构 5 0的 LED显示屏 100也会具有相应的技术效果， 因此不再进行赘述。
[0095] 以上所述仅为本发明的较佳实施例而已， 并不用以限制本发明， 凡在本发明的 精神和原则之内所作的任何修改、 等同替换和改进等， 均应包含在本发明的保 护范围之内。

Claims

权利要求书
一种拼装机构， 适用于 LED显示屏， 所述 LED显示屏包括至少一个第 一箱体和第二箱体， 其特征在于， 所述拼装机构用于连接相邻的所述 第一箱体和所述第二箱体， 所述第一箱体上设有旋转孔， 所述拼装机 构包括：
连接件， 所述连接件的一端活动连接于所述第一箱体以及另一端连接 于所述第二箱体， 所述连接件设有与所述旋转孔相对的第一通孔； 偏心柱， 所述偏心柱包括插设于所述第一通孔和所述旋转孔内的旋转 主体以及沿所述旋转主体外侧突出以相对于所述旋转主体的中心轴形 成偏心结构并收容于所述第一通孔的偏心部， 旋转所述偏心柱并调节 所述偏心部于所述旋转孔的位置， 从而使所述连接件带动所述第二箱 体朝向所述第一箱体一侧移动。
如权利要求 1所述的拼装机构， 其特征在于， 所述偏心部沿所述旋转 主体轴向突出设置且沿所述旋转主体的径向呈半径不等设置。
如权利要求 1所述的拼装机构， 其特征在于， 所述偏心部和所述旋转 主体沿所述旋转主体的径向呈对称设置， 且所述偏心部沿所述对称轴 两侧的厚度由厚变薄。
如权利要求 1所述的拼装机构， 其特征在于， 所述偏心部于其径向设 有与所述第一通孔相通的收容孔， 所述拼装机构还包括弹性伸缩于所 述收容孔的弹性顶推件， 所述弹性顶推件的末端伸出至所述收容孔外 部并与所述第一通孔的内周壁抵接。
如权利要求 4所述的拼装机构， 其特征在于， 所述弹性顶推件为波珠 螺丝。
如权利要求 4所述的拼装机构， 其特征在于， 所述弹性顶推件包括收 容并固定于所述收容孔内的固定柱、 安装于所述固定柱端部的顶推部 以及套设于所述固定柱上并弹性抵持于所述顶推部与所述固定柱上以 使所述顶推部相对于所述固定柱弹性伸缩的弹性件。
如权利要求 1所述的拼装机构， 其特征在于， 所述偏心柱还包括调节 段， 所述调节段沿所述旋转主体的轴向延伸并伸出至所述第一通孔外 面， 转动所述调节段带动旋转主体和偏心部相对所述连接件转动。
[权利要求 8] 如权利要求 7所述的拼装机构， 其特征在于， 所述调节段的末端上设 有指示标示； 所述调节段的末端设有用于插设调节工件的插接槽， 或 者， 所述调节段的末端凸设有便于调节用的调节凸起， 所述指示标示 位于所述插接槽或者调节凸起的外侧。
[权利要求 9] 如权利要求 8所述的拼装机构， 其特征在于， 所述连接件于所述第一 通孔的边缘设有至少两个个用于标记所述指示标示旋转位置的标记部
[权利要求 10] 如权利要求 9所述的拼装机构， 其特征在于， 各所述标记部沿所述第 一通孔的周向间隔设置。
[权利要求 11] 如权利要求 7所述的拼装机构， 其特征在于， 所述连接件上设有用于 观察所述第一箱体和所述第二箱体之间间隙的观测孔。
[权利要求 12] 如权利要求 1所述的拼装机构， 其特征在于， 还包括设于所述第一箱 体或者所述第二箱体上的限位件， 所述连接件上设有与所述限位件配 合的限位孔。
[权利要求 13] 如权利要求 12所述的拼装机构， 其特征在于， 所述限位孔沿所述连接 件的移动方向呈长条状。
[权利要求 14] 如权利要求 12所述的拼装机构， 其特征在于， 所述限位件包括插接于 所述限位孔的限位杆、 设置于所述限位杆一端部并位于所述连接件外 表面一侧的限位头以及旋接于所述限位杆之远离所述限位头一侧的锁 紧件， 所述限位杆上设有与所述限位孔配合的带锁分度部。
[权利要求 15] 如权利要求 1所述的拼装机构， 其特征在于， 所述拼装机构还包括固 定件， 所述连接件设有第二通孔， 所述第二箱体设有与所述第二通孔 相通的第三通孔， 所述固定件固定于所述第二通孔和所述第三通孔中
[权利要求 16] 如权利要求 1至 15任意一项所述的拼装机构， 其特征在于， 各所述第 一箱体和各所述第二箱体均包括 LED灯面和基体， 所述拼接机构还包 括安装于所述基体上的偏心件。
如权利要求 16所述的拼装机构， 其特征在于， 所述基体四周邻接另一 基体的边缘处凹设有安装槽， 所述安装槽底部设有可贯穿所述基体的 通孔， 所述通孔中心线偏离所述安装槽的中心且与所述 LED灯面垂直 ； 所述偏心件包括偏心圆盘和偏离所述偏心圆盘圆心处向外延伸的转 动轴， 所述偏心圆盘可转动地安装在所述安装槽内， 所述转动轴穿过 所述通孔， 使所述转动轴转动吋， 通过所述偏心圆盘转出或转回于所 述基体端面边缘移动。
如权利要求 17所述的拼装机构， 其特征在于， 所述安装槽为圆形槽， 于所述基体拼接的边缘幵设有便于所述偏心圆盘转出的幵口。
根据权利要求 18所述的拼装机构， 其特征在于： 所述偏心圆盘在所述 安装槽内位于所述 LED灯面与所述 LED单元箱体沿平行于所述 LED灯 面的重心垂面之间。
根据权利要求 19所述的拼装机构， 其特征在于： 还包括所述安装槽朝 所述 LED灯面的幵口方向并用于防止所述偏心件轴向移动的端盖。 根据权利要求 17所述的拼装机构， 其特征在于： 所述偏心圆盘转出所 述基体端面吋， 两邻近的所述 LED灯面间有空隙。
根据权利要求 17所述的拼装机构， 其特征在于： 所述转动轴顶面上凹 设有工具操作孔或者工具操作槽， 或者凸设有工具操作台。
根据权利要求 16所述的拼装机构， 其特征在于： 还包括固定安装于各 所述基体上的固定座， 所述固定座设有与通孔相导通的过孔， 所述转 动轴穿过所述通孔和所述过孔并伸出至所述固定座外。
根据权利要求 23所述的拼装机构， 其特征在于： 相邻两所述固定座于 接缝处通过相对应设置的定位销钉或定位销孔连接。
根据权利要求 24所述的拼装机构， 其特征在于： 所述转动轴顶面设有 所述偏心圆盘的偏心指示标识。
根据权利要求 25所述的拼装机构， 其特征在于： 所述固定座上设有指 示所述偏心圆盘转出的' OUT"标识和转回的 "IN"标识。 [权利要求 27] 根据权利要求 26所述的拼装机构， 其特征在于： 所述固定座上设有指 示所述转动轴旋转方向的标识。
[权利要求 28] —种 LED显示屏， 包括至少两个的箱体以及用于连接相邻两所述箱体 的拼装机构， 其特征在于， 所述拼装机构为如权利要求 1至 28中任一 项所述的拼装机构。
PCT/CN2016/106206 2016-06-17 2016-11-17 拼装机构及led显示屏 WO2017215190A1 (zh)

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