WO2017045266A1 - 一种伸缩式led组合屏快速锁固机构 - Google Patents

一种伸缩式led组合屏快速锁固机构 Download PDF

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Publication number
WO2017045266A1
WO2017045266A1 PCT/CN2015/094873 CN2015094873W WO2017045266A1 WO 2017045266 A1 WO2017045266 A1 WO 2017045266A1 CN 2015094873 W CN2015094873 W CN 2015094873W WO 2017045266 A1 WO2017045266 A1 WO 2017045266A1
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WIPO (PCT)
Prior art keywords
connecting portion
sleeve
locking mechanism
sliding sleeve
mounting position
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PCT/CN2015/094873
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English (en)
French (fr)
Inventor
郑健
吴晶晶
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深圳市彩易达光电有限公司
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Publication of WO2017045266A1 publication Critical patent/WO2017045266A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B1/00—Devices for securing together, or preventing relative movement between, constructional elements or machine parts
    • F16B1/02—Means for securing elements of mechanisms after operation
    • F16B1/04—Means for securing elements of mechanisms after operation disengaged by movement of the actuating member of the element
    • 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 utility model relates to the technical field of LED electronic display screens, in particular to a telescopic LED combination screen quick locking mechanism.
  • LED electronic display has been widely used in the stage, commercial performance, advertising, exhibition and other industries due to its excellent display effect and applicability.
  • the LED electronic display usually consists of a small unit screen. When the display area demand is large, it may take dozens or even hundreds of unit screens to be assembled together. It requires a large amount of human and material resources to be installed and disassembled. . As the display rental market matures, higher requirements are placed on the convenience and security of display assembly and disassembly.
  • Conventional LED displays generally use a box side lock, a pull lock or a connecting piece to assemble the unit screen. When fixing the unit screen body, an auxiliary installation tool must be used, which has various defects.
  • the traditional LED display assembly structure mainly has the following structural forms:
  • the box side lock is the most conventional LED display unit locking method, and the cost is low, but the hex wrench and other tools must be additionally used when locking, which is not labor-saving during operation, and the hook lock is easily deformed after repeated use for a long time. This results in a lower locking accuracy between the units and is not suitable for lifting because it cannot be pre-fixed.
  • the improved box side lock integrates tools such as hex wrenches into the LED display unit. It does not need to carry tools when assembling, which optimizes the assembly process to some extent, but there is no fundamental performance improvement.
  • the box pull lock is screw-locked, and the deformation amount is small for long-term use, and the locking accuracy is relatively stable.
  • the operation is complicated. It is necessary to “first push the lever to push another frame, then rotate it by 90°, and then tighten the middle locking large nut”. The steps are cumbersome, and there is still a problem that the locking is too tight and the buckle is too tight.
  • the improved pull lock improves the large nut of the traditional pull lock and locks into a wrench shape, and simplifies the stroke required for the lock by adjusting the pitch, etc., and solves the problem that it is not easy to loosen, but still needs to The step of pushing the other rod on the screen and rotating it by 90° and then tightening the middle locking large nut is very cumbersome.
  • the lock buckle utilizes a sliding card board, which can be pre-fixed during lifting, and is suitable for the lifting method of the LED display screen. However, after pre-fixing, it is necessary to free up the hand, and then use the tool carried by the user to carry out the next installation, the process is cumbersome.
  • the above several locking mechanisms are several types of LED display unit locking methods in the prior art, and all have problems such as cumbersome operation, need to change hands, difficulty in assembling single people, low stability, time-consuming and laborious, and low efficiency.
  • the positioning between the unit screens depends on the additional positioning pins, the joint gap is difficult to control, and the assembled display screen is not easy to disassemble.
  • the traditional assembly structure is not suitable for high resolution display with high precision for seam precision.
  • the screen has caused troubles for the installation of a large-scale rental display.
  • the utility model provides a telescopic LED combination screen quick locking mechanism.
  • a telescopic quick-locking mechanism includes a first connecting portion and a second connecting portion, wherein the first connecting portion is provided with a first mounting position, and the first mounting position is provided with an elastic fixing piece ;
  • the second connecting portion is provided with a second mounting position matched with the first mounting position, the second mounting position is fixedly connected with the sleeve fixing seat, and the sleeve fixing seat is internally sleeved with a sliding sleeve.
  • the sliding sleeve slides along the sleeve fixing seat, and an elastic device is disposed between the sliding sleeve and the sleeve fixing seat, and the sliding sleeve is connected with the rotating handle through a spiral structure.
  • a locking pin shaft is fixed on the rotating handle, and the front end of the locking pin shaft sequentially passes through the sliding sleeve, the elastic device, the second mounting position, the first mounting position and the elastic fixing The piece is snap-fitted.
  • the elastic device is a spring.
  • the sliding sleeve is provided with a sleeve pin, and the sleeve pin is disposed in the sliding groove of the sleeve fixing seat and slides along the sliding slot.
  • the spiral structure includes an internal thread provided on the sliding sleeve and an external thread on the rotating handle.
  • the rear end of the locking pin shaft is fixed on the rotating handle by a fixing bolt.
  • the latching position of the front end of the locking pin shaft is fastened to the card slot on the elastic fixing piece, the card position is a waist-shaped head, and the card slot is a waist-shaped hole.
  • the utility model also provides an LED combination screen provided with the telescopic quick locking mechanism, which is characterized in that it comprises a plurality of LED unit screens, and the first LED unit screen is provided with one or more first connecting portions, A second connecting portion corresponding to the first connecting portion is disposed on the second LED unit screen connected to the first LED unit panel.
  • first connecting portion and the second connecting portion are respectively disposed on one side of the LED unit screen.
  • the first connecting portion is disposed on a right side of the first LED unit screen.
  • the second connecting portion is disposed on a left side of the second LED unit screen.
  • the utility model has the advantages that the utility model makes it unnecessary to use the auxiliary installation tool when splicing the unit screen, without the need of high-skilled professionals, the assembly process saves time and labor, and the positioning and locking between the unit screens It can lock and loosen the buckle without loosening or changing hands, greatly improving the assembly efficiency of the large-area LED combination screen; the splicing precision is high, and it can adapt to the splicing of the high-resolution display; the utility model has small structure and safety. It is reliable and beautiful in appearance. It combines the handle of the unit screen with the rotating mechanism, which is suitable for thin and light design and low cost.
  • Figure 1 is a structural exploded view of the telescopic quick locking mechanism of the present invention
  • FIG. 2 is a schematic structural view of an LED combination screen of the present invention.
  • a telescopic quick-locking mechanism includes a first connecting portion 1 and a second connecting portion 2 .
  • the first connecting portion 1 is provided with a first mounting position 10
  • the first mounting position 10 is provided.
  • the second fixing portion 20 is provided with a second mounting position 30 matching the first mounting position 10, and the second mounting position 30 is fixedly connected with the sleeve fixing base 40, and the sleeve fixing seat 40 is internally sleeved
  • the sliding sleeve 50 is slid along the sleeve fixing seat 40.
  • the sliding sleeve 50 is provided with a sleeve pin 51.
  • the sleeve pin 51 is disposed in the sliding slot 41 of the sleeve fixing seat 40, and Slide along the chute 41.
  • An elastic device is disposed between the sliding sleeve 50 and the sleeve fixing seat 40.
  • the elastic device is a spring. 52.
  • the sliding sleeve 50 is coupled to the rotary handle 70 by a helical structure including an internal thread 53 provided on the sliding sleeve 50 and an external thread 71 on the rotary handle 70.
  • a locking pin shaft 60 is fixed to the rotating handle 70.
  • the front end of the locking pin shaft 60 is sequentially engaged with the elastic fixing piece 20 through the sliding sleeve 50, the elastic device, the second mounting position 30, and the first mounting position 10.
  • the rear end of the locking pin 60 is fixed to the rotating handle 70 by a fixing bolt 72.
  • the latching 61 at the front end of the locking pin 60 is fastened to the card slot 21 on the elastic fixing piece 20, and the card position 61 is waist.
  • the head, the card slot 21 is a waist hole.
  • an LED combination screen with a quick locking mechanism includes a plurality of LED unit screens 3, and two LED unit screens 3 connected in series are referred to as a first LED unit screen and a second LED. Unit screen.
  • the first LED unit screen is provided with one or more first connecting portions 1
  • the second LED unit screen connected to the first LED unit screen is provided with a second connecting portion 2 corresponding to the first connecting portion 1 .
  • the first connection portion 1 and the second connection portion 2 are provided on one side of the LED unit panel 3.
  • the first connecting portion 1 is disposed on the right side of the first LED unit screen
  • the second connecting portion 2 is disposed on the left side of the second LED unit screen.
  • the rotating handle 70 In the process of locking: when the two LED unit screens 3 are close to each other, the rotating handle 70 is held by the hand, and the rotating handle 70 is pushed to the left, and the rotating handle 70 drives the sliding sleeve 50 and the locking pin 60 to move to the left.
  • the sleeve pin 51 moves along the sliding groove 41 on the sliding sleeve 50 while the spring 52 starts to compress; when the sleeve pin 51 moves along the sliding groove 41 on the sliding sleeve 50 to the leftmost end, the spring 52 is compressed to the maximum amount.
  • the head of the locking pin 60 passes through the elastic fixing piece 20, and there is a gap between the waist head of the locking pin 60 and the waist hole of the elastic fixing piece 20; the rotating handle 70 is rotated downward, and the rotation is performed.
  • the handle 70 drives the locking pin shaft 60 to rotate by 90°, and the waist-shaped head of the locking pin shaft 60 is in a state of being intersected with the waist-shaped hole of the elastic fixing piece 20.
  • the rotating handle 70 is turned to the right.
  • the gap between the waist-shaped head of the locking pin 60 and the elastic fixing piece 20 is reduced to zero, and the locking action is completed.
  • the rotary handle 70 When the buckle is needed, the rotary handle 70 is pulled upward. Due to the thread movement between the rotary handle 70 and the sliding sleeve 50, the rotary handle 70 is moved to the left while pushing the locking pin shaft 60 to the left to lock. The gap between the waist head of the pin 60 and the elastic fixing piece 20 is increased; when the rotating handle 70 drives the locking pin shaft 60 to rotate by 90°, the waist-shaped head of the locking pin shaft 60 and the waist-shaped hole of the elastic fixing piece 20 are In the same direction; due to the spring force of the spring 52, the spring 52 pushes the sliding sleeve 50, and the interlocking pin shaft 60 and the rotating handle 70 are ejected to the right to complete the unlocking action.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
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Abstract

一种伸缩式LED组合屏快速锁固机构和LED组合屏，该锁固机构包括第一连接部（1）和第二连接部（2），第一连接部（1）上设有第一安装位（10）和弹性固定片（20），第二连接部（2）包括第二安装位（30）、套筒固定座（40）以及滑动套筒（50），在滑动套筒（50）与套筒固定座（40）之间设有弹性装置（52），滑动套筒（50）通过螺旋结构与旋转把手（70）连接，旋转把手（70）上固定有锁固销轴（60）；第一连接部（1）设于LED组合屏中一LED单元屏（3）的一侧，第二连接部（2）设于另一LED单元屏（3）的另一侧。该锁固机构具有体积小、拼接精度高、安全可靠的特点，在拼接单元屏的时候无需专业人员和专业工具，组装过程省时省力，并且连接紧固。

Description

一种伸缩式LED组合屏快速锁固机构 技术领域
本实用新型涉及LED电子显示屏技术领域，具体的说，是涉及一种伸缩式LED组合屏快速锁固机构。
背景技术
LED电子显示屏由于出色的显示效果及适用性，在舞台、商演、广告、会展等行业得到了广泛应用。LED电子显示屏一般由较小的单元屏组成，当显示面积需求较大时，可能需要几十甚至上百块单元屏拼装在一起使用，需要消耗显示屏提供商大量的人力物力去安装及拆卸。随着显示屏租赁市场的日益成熟，对于显示屏拼装及拆卸的便捷性及安全性也提出了更高的要求。传统的LED显示屏一般采用箱体边锁、拉动锁或连接片等零件进行单元屏的拼装，固定单元屏体时必须使用辅助安装工具，其存在各种各样的缺陷。传统的LED显示屏拼装结构主要有以下几种结构形式：
1、箱体边锁
这种箱体边锁为最常规的LED显示屏单元锁固方式，成本较低但锁固时必须另外使用六角扳手等工具，操作时不省力，且长期多次使用后易造成钩锁变形进而导致单元之间锁固精度降低，且因为无法预固定，所以不适合吊装。
2、改进型箱体边锁
改进型箱体边锁将六角扳手等工具集成到LED显示屏单元上，拼装时无需另外携带工具，一定程度上优化了拼装流程，但没有根本性的性能提升。
3、拉动锁
箱体拉动锁采用螺纹锁固的方式，长期使用变形量小，锁固精度比较稳定， 但操作复杂，需“先将拉杆推进另一块屏体后，旋转90°，再将中部锁固大螺母拧紧”，步骤繁琐，松扣时还存在锁固过紧导致的不易松扣问题。
4、改进型拉动锁
改进型拉动锁将传统拉动锁锁固用的大螺母改进为扳手式样，且通过调整牙距等方式，简化了锁固所需的行程，解决了不易松扣的问题，但仍需“先把拉杆推进另一块屏并旋转90°，再将中部锁固大螺母拧紧”这个步骤，操作还是很繁琐。
5、预固定型拉动锁
这种锁扣利用一个滑动卡板，可以实现吊装时预固定，适用于LED显示屏的吊装方式，但预固定好后需腾出手，再使用随身携带的工具进行下一步安装，过程繁琐。
以上几种锁固机构为现有技术中的几种LED显示屏单元锁固方式，均存在操作繁琐、需换手操作、单人拼装困难、稳定性不高、费时费力、效率不高等问题，单元屏体之间的定位需依靠另外加装定位销，拼缝间隙难以控制，组装后的显示屏不便于拆卸，传统的拼装结构尤其不适用于对拼缝精度要求较高的高分辨率显示屏，给大面积的租赁显示屏安装造成了烦恼。
发明内容
为了克服现有的技术的不足,本实用新型提供一种伸缩式LED组合屏快速锁固机构。
本实用新型技术方案如下所述：
一种伸缩式快速锁固机构，包括第一连接部和第二连接部，其特征在于，所述第一连接部上设有第一安装位，所述第一安装位上设有弹性固定片；
所述第二连接部上设有与所述第一安装位相匹配的第二安装位，所述第二安装位与套筒固定座固定连接，所述套筒固定座内部套有滑动套筒，所述滑动套筒沿着所述套筒固定座进行滑动，且所述滑动套筒和所述套筒固定座之间设有弹性装置，所述滑动套筒通过螺旋结构与旋转把手连接，所述旋转把手上固定有锁固销轴，所述锁固销轴前端依次穿过所述滑动套筒、所述弹性装置、所述第二安装位、所述第一安装位与所述弹性固定片扣合连接。
进一步的，所述弹性装置为弹簧。
进一步的，所述滑动套筒上设有套筒销钉，所述套筒销钉设于所述套筒固定座上的滑槽内，并沿着所述滑槽滑动。
进一步的，所述螺旋结构包括设于所述滑动套筒上的内螺纹和所述所述旋转把手上的外螺纹。
进一步的，所述锁固销轴的后端通过固定螺栓固定在所述旋转把手上。
进一步的，所述锁固销轴前端的卡位与所述弹性固定片上的卡槽扣合连接，所述卡位为腰形头，所述卡槽为腰形孔。
本实用新型还提供一种设有所述伸缩式快速锁固机构的LED组合屏，其特征在于，包括若干个LED单元屏，第一LED单元屏上设有一个或以上的第一连接部，与所述第一LED单元屏连接的第二LED单元屏上设有与所述第一连接部相对应的第二连接部。
进一步的，所述第一连接部和所述第二连接部分别设于所述LED单元屏的一侧。
更进一步的，所述第一连接部设于所述第一LED单元屏的右侧。
更进一步的，所述第二连接部设于所述第二LED单元屏的左侧。
根据上述结构的本实用新型，其有益效果在于，本实用新型使得拼接单元屏时无需要使用辅助安装工具，无需高技能的专业人员，组装过程省时省力，单元屏之间定位及锁紧时，无需松手或换手即可锁固及松扣，极大的提升了大面积LED组合屏的组装效率；拼接精度高，能够适应高分辨率显示屏的拼接；本实用新型结构体积小，安全可靠，造型美观，将单元屏的把手和旋转机构融为一体，适合轻薄化设计、成本低。
附图说明
图1为本实用新型中伸缩式快速锁固机构的结构爆炸图；
图2为本实用新型LED组合屏的结构示意图。
在图中，1、第一连接部；2、第二连接部；3、LED单元屏；10、第一安装位；20、弹性固定片；21、卡槽；30、第二安装位；40、套筒固定座；41、滑槽；50、滑动套筒；51、套筒销钉；52、弹簧；53、内螺纹；60、锁固销轴；61、卡位；70、旋转把手；71、外螺纹；72、固定螺栓。
具体实施方式
下面结合附图以及实施方式对本实用新型进行进一步的描述：
如图1所示，一种伸缩式快速锁固机构，包括第一连接部1和第二连接部2，第一连接部1上设有第一安装位10，第一安装位10上设有弹性固定片20；第二连接部2上设有与第一安装位10相匹配的第二安装位30，第二安装位30与套筒固定座40固定连接，套筒固定座40内部套有滑动套筒50，滑动套筒50沿着套筒固定座40进行滑动，滑动套筒50上设有套筒销钉51，套筒销钉51设于套筒固定座40上的滑槽41内，并沿着滑槽41滑动。
滑动套筒50和套筒固定座40之间设有弹性装置，优选的，弹性装置为弹簧 52。滑动套筒50通过螺旋结构与旋转把手70连接，螺旋结构包括设于滑动套筒50上的内螺纹53和旋转把手70上的外螺纹71。
旋转把手70上固定有锁固销轴60，锁固销轴60前端依次穿过滑动套筒50、弹性装置、第二安装位30、第一安装位10与弹性固定片20扣合连接。其中，锁固销轴60的后端通过固定螺栓72固定在旋转把手70上，锁固销轴60前端的卡位61与弹性固定片20上的卡槽21扣合连接，卡位61为腰形头，卡槽21为腰形孔。
如图2所示，一种设有快速锁固机构的LED组合屏，包括若干个LED单元屏3，将两两相连的两个LED单元屏3相对称为第一LED单元屏和第二LED单元屏。第一LED单元屏上设有一个或以上的第一连接部1，与第一LED单元屏连接的第二LED单元屏上设有与第一连接部1相对应的第二连接部2。
第一连接部1和第二连接部2设于LED单元屏3的一侧。优选的，第一连接部1设于第一LED单元屏的右侧，第二连接部2设于第二LED单元屏的左侧。
本实用新型的工作原理为：
在锁紧的过程中：两块LED单元屏3左右靠在一起时，手握住旋转把手70，向左边推动旋转把手70，旋转把手70带动滑动套筒50及锁固销轴60向左运动，套筒销钉51沿滑动套筒50上的滑槽41运动，同时弹簧52开始压缩；当套筒销钉51沿滑动套筒50上的滑槽41运动到最左端时，弹簧52压缩到最大量，锁固销轴60的头部穿过弹性固定片20,此时锁固销轴60的腰形头与弹性固定片20的腰形孔之间存在间隙；向下扳动旋转把手70，旋转把手70带动锁固销轴60旋转90°，锁固销轴60的腰形头与弹性固定片20的腰形孔呈交叉状态。在这一过程中，由于旋转把手70与滑动套筒50之间的螺纹，会使旋转把手70向右 运动，同时拉着锁固销轴60向右运动，锁固销轴60的腰形头与弹性固定片20的间隙减少至零，完成锁紧动作。
需要松扣时，向上扳动旋转把手70，由于旋转把手70与滑动套筒50之间的螺纹运动，会使旋转把手70向左运动，同时推着锁固销轴60向左运动，锁固销轴60的腰形头与弹性固定片20的间隙增大；当旋转把手70带动锁固销轴60旋转90°，锁固销轴60的腰形头与弹性固定片20的腰形孔呈同向状态；由于弹簧52弹力的作用，弹簧52推动滑动套筒50，联动锁固销轴60、旋转把手70向右弹出，完成解锁动作。
应当理解的是，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，而所有这些改进和变换都应属于本实用新型所附权利要求的保护范围。
上面结合附图对本实用新型专利进行了示例性的描述，显然本实用新型专利的实现并不受上述方式的限制，只要采用了本实用新型专利的方法构思和技术方案进行的各种改进，或未经改进将本实用新型专利的构思和技术方案直接应用于其它场合的，均在本实用新型的保护范围内。

Claims (10)

  1. 一种伸缩式快速锁固机构，包括第一连接部和第二连接部，其特征在于，所述第一连接部上设有第一安装位，所述第一安装位上设有弹性固定片；
    所述第二连接部上设有与所述第一安装位相匹配的第二安装位，所述第二安装位与套筒固定座固定连接，所述套筒固定座内部套有滑动套筒，所述滑动套筒沿着所述套筒固定座进行滑动，且所述滑动套筒和所述套筒固定座之间设有弹性装置，所述滑动套筒通过螺旋结构与旋转把手连接，所述旋转把手上固定有锁固销轴，所述锁固销轴前端依次穿过所述滑动套筒、所述弹性装置、所述第二安装位、所述第一安装位与所述弹性固定片扣合连接。
  2. 根据权利要求1所述的伸缩式快速锁固机构，其特征在于，所述弹性装置为弹簧。
  3. 根据权利要求1所述的伸缩式快速锁固机构，其特征在于，所述滑动套筒上设有套筒销钉，所述套筒销钉设于所述套筒固定座上的滑槽内，并沿着所述滑槽滑动。
  4. 根据权利要求1所述的伸缩式快速锁固机构，其特征在于，所述螺旋结构包括设于所述滑动套筒上的内螺纹和所述所述旋转把手上的外螺纹。
  5. 根据权利要求1所述的伸缩式快速锁固机构，其特征在于，所述锁固销轴的后端通过固定螺栓固定在所述旋转把手上。
  6. 根据权利要求1所述的伸缩式快速锁固机构，其特征在于，所述锁固销轴前端的卡位与所述弹性固定片上的卡槽扣合连接，所述卡位为腰形头，所述卡槽为腰形孔。
  7. 一种设有如权利要求1所述的伸缩式快速锁固机构的LED组合屏，其特 征在于，包括若干个LED单元屏，第一LED单元屏上设有一个或以上的第一连接部，与所述第一LED单元屏连接的第二LED单元屏上设有与所述第一连接部相对应的第二连接部。
  8. 根据权利要求7所述的LED组合屏，其特征在于，所述第一连接部和所述第二连接部分别设于所述LED单元屏的一侧。
  9. 根据权利要求8所述的LED组合屏，其特征在于，所述第一连接部设于所述第一LED单元屏的右侧。
  10. 根据权利要求9所述的LED组合屏，其特征在于，所述第二连接部设于所述第二LED单元屏的左侧。
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