WO2017107126A1 - Led 显示屏 - Google Patents

Led 显示屏 Download PDF

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Publication number
WO2017107126A1
WO2017107126A1 PCT/CN2015/098658 CN2015098658W WO2017107126A1 WO 2017107126 A1 WO2017107126 A1 WO 2017107126A1 CN 2015098658 W CN2015098658 W CN 2015098658W WO 2017107126 A1 WO2017107126 A1 WO 2017107126A1
Authority
WO
WIPO (PCT)
Prior art keywords
lock
handle
locking
unit case
hole
Prior art date
Application number
PCT/CN2015/098658
Other languages
English (en)
French (fr)
Inventor
邓涛
刘爱华
Original Assignee
深圳市雷凌显示技术有限公司
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 深圳市雷凌显示技术有限公司 filed Critical 深圳市雷凌显示技术有限公司
Priority to CN201580039725.4A priority Critical patent/CN106796768B/zh
Priority to PCT/CN2015/098658 priority patent/WO2017107126A1/zh
Publication of WO2017107126A1 publication Critical patent/WO2017107126A1/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 application relates to the field of LED display technologies, and in particular, to an LED display screen.
  • LED display screens have also moved from screen to life. From large-scale performance activities to small collective celebrations, LED display screens can be seen. The effect, people's requirements for renting LED display screens are getting higher and higher, especially for the quick disassembly and assembly of LED display screens, safe and reliable, convenient for construction and maintenance, etc.
  • the current LED display locks the left and right direction of the cabinet.
  • the tightening device is consistent with the upper and lower locking devices, that is, the simple locking rod cooperates with the locking master piece to lock, and one person needs to hold the box body, and the other person completes the locking, thereby causing the two persons to cooperate with the locking and lifting, which wastes manpower and
  • the locking efficiency is low, the locking of the lock by the ordinary lock lever and the lock master is not enough, and the LED display screen is formed by splicing a plurality of multi-unit unit boxes, and the multi-person splicing of the unit box at the upper or upper end
  • additional climbing tools are required or additional climbing devices are placed on the unit housing. Climbing itself it can not be used, so the prior art L ED display installation complicated and the mounting efficiency is low.
  • the present application provides an LED display screen with high efficiency of splicing of left and right cabinets and capable of being used for climbing.
  • an LED display screen including at least two left and right splicing first and second unit housings, and the first unit and the second unit are respectively provided with a first a lock body and a second lock body;
  • the first lock body includes a handle and a lock bar, the lock bar is a cylindrical rod, the lock bar is rotatably mounted on the first unit case, and one end of the lock bar protrudes from the first unit case
  • the side of the lock bar is provided with an annular groove, the end of the lock bar separated by the annular groove is a locking end, and the two sides of the locking end have an axial cut surface;
  • the handle is fixed on the lock bar, the first unit
  • the box body is provided with a limiting block, the limiting block is located at the lower side of the handle;
  • the second locking body comprises a locking main piece, the locking main piece is mounted on the second unit housing, and the locking rod position on the first unit housing Correct
  • the locking master has a locking hole, and the locking hole has the same shape as the locking end.
  • one end of the handle is bent in a zigzag shape, one end of the handle is fixed on the lock bar, and the other end is formed as a free end of the pull type.
  • the ends of the handle are bent, one end is fixed to the lock bar, and the other end is rotatably mounted on the first unit case.
  • the first lock body further includes a connecting member, the connecting member includes a knob and a rotating shaft, one end of the rotating shaft is fixed on the knob, and the other end of the rotating shaft is provided with a thread; the one end of the handle is provided with a circular through hole, the first unit case A threaded hole is arranged thereon; the rotating shaft of the connecting member is fixed on the first unit casing through the mounting hole of the handle, and the handle is rotatable relative to the rotating shaft.
  • the handle is fixed on the end surface of the lock rod by screws; the ring is provided with an annular protrusion near the annular groove, and the first unit box is provided with a mounting seat, and the mounting seat is provided with a through hole, the lock The rod is rotatably mounted in the through hole of the mounting seat, and the locking rod is engaged with the handle on the mounting portion by the annular projection.
  • the limiting block is a protrusion of the mounting seat, and the limiting block is located at a lower side of the end of the handle and the locking rod.
  • the first lock body further includes a spring, and the spring is sleeved on the lock bar, and the spring is compressed between the mount of the first unit case and the handle.
  • the lock master has a sinking circular groove in the direction of the lock lever, and a racetrack type lock hole is provided on the bottom surface of the groove.
  • the circular groove is divided into two sides by the keyhole, and the depths of the grooves on both sides are shallower and deeper from one end to the other in the central rotation direction.
  • the end surface of the locking rod locking end is provided with a round chamfer.
  • the additional lock base is not required to mount the first lock body to the case body, thereby saving the case body.
  • the locking end of the locking rod is provided with a cutting surface, and the locking lever is locked to the locking hole by the rotating handle, the locking efficiency is high; and the limiting block is arranged on the lower side of the handle, the handle can only be in the horizontal position and Rotating between upright positions, but not down, making the handle easy to lock and can be used for climbing.
  • FIG. 2 is a schematic structural view of a first lock body of an LED display screen according to an embodiment
  • FIG. 3 is a schematic structural view of a lock lever of an LED display screen in an embodiment
  • FIG. 4 is a schematic structural view of a lock master of an LED display screen in an embodiment.
  • FIG. 5 is a side view of a lock master of an LED display screen in an embodiment
  • FIG. 6 is a schematic structural view of a first lock body of an LED display screen in another embodiment.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • an LED display screen is provided.
  • the LED display screen is formed by splicing a plurality of unit boxes to the left and right.
  • two left and right unit housings are taken as an example, as shown in FIG. Viewed from the back of the LED display, the right side is the first unit case 1, the left side is the second unit case 2, and the first unit case 1 is provided with the first lock body 3 on the left side, and the second unit case A second lock body 4 is disposed on the right side of the second lock body 3, and the positions of the first lock body 3 and the second lock body 4 are relatively corresponding.
  • the first unit case 1 is provided with a mounting seat for mounting the first lock body 3, and the mounting seat is provided with a mounting hole.
  • the mounting seat is a protruding rib on the first unit case 1, and is installed on the rib.
  • the hole, the first lock body 3 is mounted on the rib.
  • the first lock body 3 mainly includes a handle 31 and a lock lever 32.
  • the handle 31 is bent at a right angle so that the handle 31 has a 7-shape.
  • the bent end of the handle 31 is provided with a mounting hole.
  • the cross section of the mounting hole is a racetrack type, and the bent end of the handle 31 is mounted on the lock bar 32, and the lock lever 32 is
  • the mounting portion has a structure corresponding to the mounting hole, so that the handle 31 is sleeved behind the lock bar 32, the handle 31 and the lock bar 32 are relatively fixed in the rotation direction, and the runway type hole is disposed corresponding to the handle 31 and the lock bar 32.
  • a key has been added.
  • the other end of the handle 31 opposite the bent end forms a free end, so that the handle 31 can be used by people of different sizes.
  • the lock bar 32 is a cylindrical rod.
  • the left end of the lock bar 32 is provided with an annular groove 321 , and the end separated by the annular groove 321 is a locking end 322 of the lock bar 32, and is locked.
  • the end 322 is used for locking and locking with the second lock body 4, and the two sides of the locking end 322 are cut into two cutting planes, so that the cross-sectional outer contour of the locking end 322 is a racetrack type, and the locking end 322 of the racetrack type structure. After a 90° rotation, the long and wide rotational interaction positions of the locking end 322 can be used for locking.
  • the end surface of the lock end 322 is provided. Round chamfer.
  • the right end of the lock bar 32 is a fixed end 323, the fixed end 323 has an external thread, the first lock body 3 further includes a nut 33, and the nut 33 cooperates with the fixed end 323 to fix the lock bar 32 at the first On the unit case 1.
  • a mounting portion 324 for mounting a handle is disposed on a left side of the fixed end 323 of the lock lever 32.
  • the mounting portion 324 and the locking end 322 are provided with cut surfaces on both sides thereof, and the cross-sectional outer contour of the mounting portion 324 is a racetrack type, and The mounting holes of the handle 31 are matched.
  • the outer diameter of the fixed end 323 of the locking bar 32 is smaller than the spacing between the two cutting faces of the mounting portion 324, that is, the fixed end 323.
  • the outer diameter is smaller than the narrowest portion of the mounting hole of the handle 31, so that the mounting hole of the handle 31 can be mounted on the mounting portion 324 through the fixed end 323.
  • the handle 31 is provided with a through hole smaller than the shaft diameter of the lock bar 32.
  • the end face of the right side of the lock bar 32 is provided with a screw hole, and the bent end of the left side of the handle 31 is fixed by a screw.
  • the end face of the right side of the lock lever 32 is provided with a through hole smaller than the shaft diameter of the lock bar 32.
  • the middle portion of the lock lever 32 is rotatably passed through the mounting hole of the mount of the first unit casing 1.
  • the right side of the annular groove 321 of the lock bar 32 is provided with an annular protrusion 325, and the annular protrusion 325 and the handle 31 mounted on the lock bar 32 collectively limit the lock bar 32 to the first unit case 1, restricting the lock The movement of the rod 32 in the left and right direction.
  • the spacing between the annular protrusion 325 and the mounting portion 324 of the lock bar 32 is greater than the width of the mounting seat of the first unit case 1, so that the lock After the rod 32 is mounted on the first unit casing 1, the first unit casing 1 has a certain distance between the mounting seat and the handle 31.
  • the first lock body 3 further includes a spring 34, the spring 34 is sleeved on the lock bar 32, and the spring 34 is compressed between the first unit case 1 mount and the handle 31, and the spring 34 gives the lock bar 32 a rightward Rally.
  • the spring 34 causes the lock lever 32 to have a cushioning force on the mounting jaw, and the spring 34 cooperates with the second lock body 4 to give the lock lever 32 a rightward pulling force to enhance the locking effect.
  • the spring 34 is disposed between the handle 31 and the nut 33, which also provides a rightward pulling force to the lock bar 32.
  • the second lock body 4 includes a lock master piece, and the lock master piece is provided with a sunken circular groove, and the circular groove sinks toward the lock bar 32 in the circle.
  • the bottom surface of the groove is provided with a track-type locking hole 41.
  • the overall shape of the locking hole 41 is slightly larger than the cross-sectional profile of the locking end 322 of the locking bar 32, and the width of the locking hole 41 is smaller than the length of the locking end 322, so that the locking is tight.
  • the end 322 can pass through the locking hole 41, and after the rotation angle, the locking end 322 is stuck at the other end of the locking hole to achieve the locking effect.
  • the circular groove is divided into two sides by the locking hole 41, and the depth of the groove on both sides is shallower and deeper from one end to the other end in the central rotation direction, and the locking end 322 is shallow from the deepest end of the groove.
  • the end is rotated, and the slope of the groove causes the locking end 322 to move to the left by a certain distance, that is, the lock lever 32 moves to the left.
  • the spring 34 has a pulling force to the right, so that the lock bar 32 and the lock master directly fit tightly, and the lock is firmer.
  • the handle 31 of the LED unit case of the present embodiment is conveniently locked. Specifically, as shown in FIG. 3, a protrusion is provided on the mounting seat of the first unit case 1, and the protrusion is a limit block. 11.
  • the limit block 11 is disposed on the lower side of the bent end of the handle 31 such that the handle 31 can only be rotated between the horizontal position and the upward vertical position.
  • the first lock body 3 can also be mounted on the right side of the second unit case 2, and the second lock body 4 is mounted on the left side of the first unit case 1, which can also achieve the first The left and right splicing of the unit case 1 and the second unit case 2 are performed.
  • the LED display screen provided by the embodiment provides that the first lock body 3 can be directly mounted on the first unit case 1 without requiring an additional fixing seat to mount the first lock body 3 to the first unit.
  • the box body 1 saves space of the box body; the locking end 322 of the lock lever 32 is provided with a cut surface, and the lock lever is locked on the lock hole 41 by rotating the handle, the locking efficiency is high; and under the handle 31
  • the side is provided with a limiting block, and the handle 31 can only be rotated between the horizontal position and the upward vertical position for easy locking and unlocking.
  • a spring is disposed between the handle 31 and the mounting seat, so that the locking bar 32 has a pulling force to the right in the locking yoke, the locking force is increased, and after the locking bar 32 is unlocked, the handle 31 can be The lock lever 32 is pulled back to the right to function as a reply.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1
  • This embodiment differs from the first embodiment in that the structure of the handle 31 is different.
  • the first lock body 3 further includes a connecting member 35.
  • the connecting member 35 includes a knob 351 and a rotating shaft 352.
  • the knob 35 is provided with a shallow thread, and the rotating shaft 352 The end is vertically fixed at the center of the knob 351, and the other end of the rotating shaft 352 is provided with a thread.
  • the first unit casing 1 is provided with a threaded hole, and the circular through hole of the rotating shaft 352 passing through the handle 31 is screwed to the first unit.
  • the threaded hole of the casing 1 is fixed, and the rotating shaft 352 is aligned with the center of the lock lever 32.
  • the round through hole of the handle 31 is slightly larger than the outer diameter of the rotating shaft 352, so that the handle 31 can be rotated relative to the rotating shaft 352.
  • the connector 35 can also be integrally formed.
  • the handle 31 of the embodiment is bent at both ends, and the two ends are respectively fixed, so that the handle 31 has a stronger carrying capacity and can be used for climbing.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种LED显示屏，包括至少两个左右拼接的第一单元箱体（1）和第二单元箱体（2），第一单元箱体（1）和第二单元箱体（2）上分别设有第一锁体（3）和第二锁体（4）；第一锁体（3）包括把手（31）和锁杆（32），第二锁体（4）包括锁母片。由于第一锁体（3）可直接安装在第一单元箱体（1）上，而不需要额外的固定座将第一锁体（3）安装到箱体上，节约了箱体的空间；锁杆（32）的锁紧端（322）设有切面，通过旋转把手（31）将锁杆（32）卡接在锁孔（41）上，锁紧的效率高；并且在把手（31）的下侧设有限位块（11），把手（31）只能在水平位置和向上竖直位置之间转动，而不能向下转动，使得把手（31）便于锁紧且能够用于攀爬。

Description

LED显示屏 技术领域
[0001] 本申请涉及 LED显示技术领域， 具体涉及一种 LED显示屏。
[0002]
[0003] 背景技术
[0004] 随着社会的发展， 生活水平的不断提高， LED显示屏也从荧幕走到了生活， 从 大型的演出活动到小型的集体庆祝活动都可以看到 LED显示屏的身影， 为了达到 演出效果， 人们对于租赁 LED显示屏的要求也越来越高， 尤其对于 LED显示屏的 快速拆装， 安全可靠， 方便搭建维修等有较高要求， 现在的 LED显示箱体的左右 方向拼接的锁紧装置和上下锁紧装置一致， 就是简单的锁杆与锁母片配合锁定 ， 需要一人托住箱体， 另一人完成锁紧， 从而导致锁紧和幵启需两人配合操作 ， 浪费人力及锁紧效率低， 通过普通的锁杆和锁母片配合锁定的锁紧度不够， 并且 LED显示屏由多层多块单元箱体拼接而成， 对于高处或上端的单元箱体多人 拼接操作不方便， 为了到高处安装还需通过额外攀登工具或者在单元箱体上设 置额外的攀爬装置， 现有技术中单元箱体本身不能用于攀爬， 故现有技术中的 L ED显示屏安装复杂且安装效率低。
[0005]
[0006] 发明内容
[0007] 本申请提供一种左右箱体拼接效率高且能够用于攀爬的 LED显示屏。
[0008] 一种实施例中提供一种 LED显示屏， 包括至少两个左右拼接第一单元箱体和第 二单元箱体， 第一单元箱体和第二单元箱体上分别设有第一锁体和第二锁体； 第一锁体包括把手和锁杆， 锁杆为圆柱型杆， 锁杆可旋转地安装在第一单元箱 体上， 锁杆一端伸出于第一单元箱体的侧面， 锁杆伸出端设有环形凹槽， 锁杆 被环形凹槽分隔的端部为锁紧端， 锁紧端的两侧具有轴向的切面； 把手固定在 锁杆上， 第一单元箱体上设有限位块， 限位块位于把手下侧； 第二锁体包括锁 母片， 锁母片安装在第二单元箱体上， 且与位于第一单元箱体上的锁杆位置对 应； 锁母片具有锁孔， 锁孔与锁紧端截面形状一致， 锁孔的整体比锁紧端的截 面大， 且锁孔的宽小于锁紧端的长。
[0009] 进一步地， 把手一端折弯呈 7字型， 把手折弯的一端固定在锁杆上， 另一端形 成幵放式的自由端。
[0010] 在另一种实施例中， 把手两端折弯， 一端固定在锁杆上， 另一端可旋转地安装 在第一单元箱体上。
[0011] 进一步地， 第一锁体还包括连接件， 连接件包括旋钮和转轴， 转轴一端固定在 旋钮上， 转轴的另一端设有螺纹； 把手的一端设有圆通孔， 第一单元箱体上设 有螺纹孔； 连接件的转轴穿过把手的安装孔固定在第一单元箱体上， 把手相对 转轴可转动。
[0012] 进一步地， 把手通过螺钉固定在锁杆的端面上； 锁杆靠近环形凹槽的位置设有 环形凸起， 第一单元箱体上设有安装座， 安装座设有通孔， 锁杆可转动地安装 在安装座的通孔内， 且锁杆通过环形凸起与安装部上的把手卡接安装座上。
[0013] 进一步地， 限位块为安装座的凸起， 限位块位于把手与锁杆安装的端部下侧。
[0014] 进一步地， 第一锁体还包括弹簧， 弹簧套设在锁杆上， 弹簧被压缩在第一单元 箱体的安装座与把手之间。
[0015] 进一步地， 锁母片向锁杆方向具有下沉的圆形凹槽， 在凹槽底面设有跑道型的 锁孔。
[0016] 进一步地， 圆形凹槽被锁孔分隔成两侧， 两侧凹槽的深度沿中心旋转方向从一 端到另一端由浅变深。
[0017] 进一步地， 锁杆锁紧端的端面设有圆倒角。
[0018] 依据上述实施例的 LED显示屏， 由于第一锁体可直接安装在第一单元箱体上， 而不需要额外的固定座将第一锁体安装到箱体上， 节约了箱体的空间； 锁杆的 锁紧端设有切面， 通过旋转把手将锁杆卡接在锁孔上， 锁紧的效率高； 并且在 把手的下侧设有限位块， 把手只能在水平位置和向上竖直位置之间转动， 而不 能向下转动， 使得把手便于锁紧且能够用于攀爬。
[0019]
[0020] 附图说明 [0021] 图 1为一种实施例中一种 LED显示屏的结构示意图；
[0022] 图 2为一种实施例中一种 LED显示屏的第一锁体的结构示意图；
[0023] 图 3为一种实施例中一种 LED显示屏的锁杆的结构示意图；
[0024] 图 4为一种实施例中一种 LED显示屏的锁母片的结构示意图。
[0025] 图 5为一种实施例中一种 LED显示屏的锁母片的侧视图；
[0026] 图 6为另一种实施例中一种 LED显示屏的第一锁体的结构示意图。
[0027]
[0028] 具体实施方式
[0029] 下面通过具体实施方式结合附图对本发明作进一步详细说明。
[0030] 实施例一：
[0031] 在本实施例中， 提供了一种 LED显示屏， LED显示屏由多个单元箱体左右拼接 而成， 本实施例以左右两个单元箱体为例， 如图 1所示， 从 LED显示屏后面看， 右边的为第一单元箱体 1， 左边的为第二单元箱体 2， 第一单元箱体 1的左侧上设 有第一锁体 3， 第二单元箱体 2的右侧上设有第二锁体 4， 第一锁体 3和第二锁体 4 的位置相对对应。 第一单元箱体 1上设有安装第一锁体 3的安装座， 安装座上设 有安装孔， 具体的， 安装座为第一单元箱体 1上凸出的肋条， 在肋条上设置安装 孔， 第一锁体 3安装在肋条上。
[0032] 如图 2所示， 第一锁体 3主要包括把手 31和锁杆 32。 把手 31—端直角折弯， 使得 把手 31呈 7字型， 把手 31折弯端上设有安装孔， 安装孔的截面呈跑道型， 把手 31 折弯端安装在锁杆 32上， 锁杆 32的安装部具有与安装孔一致的结构， 使得把手 3 1套设在锁杆 32后， 把手 31与锁杆 32在旋转方向相对固定， 跑道型孔的设置相当 于在把手 31与锁杆 32之间添加了键。 把手 31相对折弯端的另一端形成幵放式的 自由端， 使得把手 31能够适合不同大小手型的人使用。
[0033] 如图 3所示， 锁杆 32为圆柱型杆， 锁杆 32的左端设有环形凹槽 321， 被环形凹槽 321分隔的端部为锁杆 32的锁紧端 322， 锁紧端 322用于与第二锁体 4卡接锁紧， 锁紧端 322的两侧切削有两个切面， 使得锁紧端 322的横截面外轮廓呈跑道型， 跑道型结构的锁紧端 322在旋转 90°后， 锁紧端 322的长和宽旋转交互位置可用于 锁紧。 为了使得锁杆 32更便利的对准插入第二锁体 4中， 在锁紧端 322端面设有 圆倒角。
[0034] 锁杆 32的右端端部为固定端 323， 固定端 323上具有外螺纹， 第一锁体 3还包括 螺帽 33， 螺帽 33与固定端 323配合将锁杆 32固定在第一单元箱体 1上。 在锁杆 32 的固定端 323的左侧设有用于安装把手的安装部 324， 安装部 324与锁紧端 322— 样两侧设有切面， 安装部 324的横截面外轮廓呈跑道型， 与把手 31的安装孔相匹 配， 为了将把手 31安装到锁杆 32的安装部 324上， 锁杆 32的固定端 323的螺纹外 径小于安装部 324两切面之间的间距， 即固定端 323的外径小于把手 31安装孔最 窄部分， 使得把手 31的安装孔可以穿过固定端 323安装在安装部 324上。
[0035] 在其他实施例中， 把手 31上设有比锁杆 32轴径小的通孔， 锁杆 32右侧的端面上 设有螺钉孔， 把手 31左侧的折弯端通过螺钉固定在锁杆 32右侧的端面上。
[0036] 锁杆 32的中部可旋转地穿设在第一单元箱体 1的安装座的安装孔上。 锁杆 32的 环形凹槽 321的右侧设有环形凸起 325， 环形凸起 325和安装在锁杆 32上的把手 31 共同将锁杆 32限位在第一单元箱体 1上， 限制锁杆 32左右方向的移动。
[0037] 为了方便锁杆 32的安装及提高锁杆 32的锁紧度， 锁杆 32上环形凸起 325与安装 部 324之间的间距大于第一单元箱体 1安装座的宽度， 使得锁杆 32安装在第一单 元箱体 1上后， 使得第一单元箱体 1安装座与把手 31之间具有一定间距。 第一锁 体 3还包括弹簧 34， 弹簧 34套设在锁杆 32上， 且弹簧 34被压缩在第一单元箱体 1 安装座与把手 31之间， 弹簧 34给锁杆 32—个向右的拉力。 弹簧 34使得锁杆 32在 安装吋具有一个缓冲力， 并且弹簧 34配合第二锁体 4能给锁杆 32通过一个向右的 拉力， 提高锁紧效果。 在其他实施例中， 弹簧 34设置在把手 31与螺帽 33之间， 同样给锁杆 32提供一个向右的拉力。
[0038] 如图 4和图 5所示， 第二锁体 4包括锁母片， 锁母片上设有一个下沉的圆形凹槽 ， 圆形凹槽朝锁杆 32方向下沉， 在圆形凹槽底面设有跑道型的锁孔 41， 锁孔 41 的整体略大于锁杆 32锁紧端 322的横截面外形轮廓， 并且锁孔 41的宽小于锁紧端 322的长， 使得锁紧端 322可穿过锁孔 41后， 再旋转角度后锁紧端 322卡在锁孔的 另一端达到锁紧效果。 圆形凹槽被锁孔 41分隔成两侧， 两侧凹槽的深度沿中心 旋转方向从一端到另一端由浅变深， 锁紧吋， 锁紧端 322从凹槽的最深处端向浅 处端旋转， 凹槽的坡度使得锁紧端 322向左移动一定距离， 即锁杆 32向左移动， 而弹簧 34具有向右的拉力， 使得锁杆 32与锁母片直接配合更加紧密， 锁紧更牢 固。
[0039] 本实施例的 LED单元箱体的把手 31锁紧方便， 具体的， 如图 3所示， 在第一单 元箱体 1的安装座上设有凸起， 该凸起为限位块 11， 限位块 11设置在把手 31折弯 端的下侧， 使得把手 31只能在水平位置和向上竖直位置之间旋转。 锁杆 32和锁 母片安装后， 锁杆 32和锁母片的锁定状态吋， 把手 31处于水平位置， 把手 31向 上转动至向上竖直位置吋解锁， 使得操作人员能够操作把手 31在两个极限位置 之间切换实现锁紧和解锁， 。
[0040] 在其他实施例中， 第一锁体 3也可安装在第二单元箱体 2的右侧， 第二锁体 4安 装在第一单元箱体 1的左侧， 同样能够实现第一单元箱体 1和第二单元箱体 2的左 右拼接。
[0041] 本实施例提供的一种 LED显示屏， 由于第一锁体 3可直接安装在第一单元箱体 1 上， 而不需要额外的固定座将第一锁体 3安装到第一单元箱体 1上， 节约了箱体 的空间； 锁杆 32的锁紧端 322设有切面， 通过旋转把手将锁杆卡接在锁孔 41上， 锁紧的效率高； 并且在把手 31的下侧设有限位块， 把手 31只能在水平位置和向 上竖直位置之间转动， 便于锁紧和解锁。 在把手 31与安装座之间设有弹簧， 使 得锁杆 32在锁紧吋具有一个向右的拉力， 提高了锁紧力， 并且锁杆 32解锁后， 在弹簧的作用下能够将把手 31和锁杆 32向右拉回， 起到回复的作用。
[0042] 实施例二：
[0043] 本实施例与实施例一不同之处在于把手 31的结构不同。
[0044] 如图 6所示， 把手 31的两端折弯， 与锁杆 32连接的折弯端与实施例一的把手 31 一致， 具有跑道型的安装孔。 把手 31另一折弯端上设有圆通孔， 为了安装把手 3 1， 第一锁体 3还包括连接件 35， 连接件 35包括旋钮 351和转轴 352， 旋钮 35上设 有浅螺纹， 转轴 352—端垂直固定在旋钮 351的中心， 转轴 352的另一端设有螺纹 ， 对应的， 第一单元箱体 1上设有螺纹孔， 转轴 352穿过把手 31的圆通孔通过螺 纹固定在第一单元箱体 1的螺纹孔上， 并且转轴 352与锁杆 32中心对齐。 把手 31 的圆通孔略大于转轴 352的外径， 使得把手 31能够相对转轴 352转动。 连接件 35 也可一体成型。 [0045] 本实施例的把手 31两端折弯， 两端分别固定， 使得把手 31的承载能力更强， 可 用于攀爬。
[0046] 以上应用了具体个例对本发明进行阐述， 只是用于帮助理解本发明， 并不用以 限制本发明。 对于本发明所属技术领域的技术人员， 依据本发明的思想， 还可 以做出若干简单推演、 变形或替换。
技术问题
问题的解决方案
发明的有益效果

Claims

权利要求书
[权利要求 1] 一种 LED显示屏， 其特征在于， 包括至少两个左右拼接第一单元箱体 和第二单元箱体， 所述第一单元箱体和第二单元箱体上分别设有第一 锁体和第二锁体； 所述第一锁体包括把手和锁杆， 所述锁杆为圆柱型 杆， 所述锁杆可旋转地安装在第一单元箱体上， 所述锁杆一端伸出于 所述第一单元箱体的侧面， 所述锁杆伸出端设有环形凹槽， 所述锁杆 被所述环形凹槽分隔的端部为锁紧端， 所述锁紧端的两侧具有轴向的 切面； 所述把手固定在所述锁杆上， 所述第一单元箱体上设有限位块 ， 所述限位块位于所述把手下侧； 所述第二锁体包括锁母片， 所述锁 母片安装在第二单元箱体上， 且与位于所述第一单元箱体上的锁杆位 置对应； 所述锁母片具有锁孔， 所述锁孔与所述锁紧端截面形状一致 ， 所述锁孔的整体比所述锁紧端的截面大， 且所述锁孔的宽小于所述 锁紧端的长。
[权利要求 2] 如权利要求 1所述的 LED显示屏， 其特征在于， 所述把手一端折弯呈 7 字型， 所述把手折弯的一端固定在所述锁杆上， 另一端形成幵放式的 自由端。
[权利要求 3] 如权利要求 1所述的锁紧装置， 其特征在于， 所述把手两端折弯， 一
端固定在所述锁杆上， 另一端可旋转地安装在所述第一单元箱体上。
[权利要求 4] 如权利要求 3所述的 LED显示屏， 其特征在于， 所述第一锁体还包括 连接件， 所述连接件包括旋钮和转轴， 所述转轴一端固定在所述旋钮 上， 所述转轴的另一端设有螺纹； 所述把手的一端设有圆通孔， 所述 第一单元箱体上设有螺纹孔； 所述连接件的转轴穿过所述把手的安装 孔固定在所述第一单元箱体上， 所述把手相对所述转轴可转动。
[权利要求 5] 如权利要求 2或 4所述的 LED显示屏， 其特征在于， 所述把手通过螺钉 固定在所述锁杆的端面上； 所述锁杆靠近环形凹槽的位置设有环形凸 起， 所述第一单元箱体上设有安装座， 所述安装座设有通孔， 所述锁 杆可转动地安装在所述安装座的通孔内， 且所述锁杆通过环形凸起与 安装部上的把手卡接所述安装座上。
[权利要求 6] 如权利要求 5所述的 LED显示屏， 其特征在于， 所述限位块为所述安 装座的凸起， 所述限位块位于所述把手与锁杆安装的端部下侧。
[权利要求 7] 如权利要求 6所述的 LED显示屏， 其特征在于， 所述第一锁体还包括 弹簧， 所述弹簧套设在所述锁杆上， 所述弹簧被压缩在所述第一单元 箱体的安装座与把手之间。
[权利要求 8] 如权利要求 7所述的 LED显示屏， 其特征在于， 所述锁母片向所述锁 杆方向具有下沉的圆形凹槽， 在所述凹槽底面设有跑道型的锁孔。
[权利要求 9] 如权利要求 8所述的 LED显示屏， 其特征在于， 所述圆形凹槽被所述 锁孔分隔成两侧， 两侧凹槽的深度沿中心旋转方向从一端到另一端由 浅变深。
[权利要求 10] 如权利要求 9所述的 LED显示屏， 其特征在于， 所述锁杆锁紧端的 端面设有圆倒角。
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CN107575442A (zh) * 2017-09-26 2018-01-12 深圳市雷凌显示技术有限公司 一种锁体及拼接屏
CN109712541B (zh) * 2019-03-11 2021-12-03 江苏大点智能科技有限公司 锁紧装置以及显示屏装置
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