WO2017101075A1 - 锁紧装置及 led 显示屏 - Google Patents

锁紧装置及 led 显示屏 Download PDF

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Publication number
WO2017101075A1
WO2017101075A1 PCT/CN2015/097732 CN2015097732W WO2017101075A1 WO 2017101075 A1 WO2017101075 A1 WO 2017101075A1 CN 2015097732 W CN2015097732 W CN 2015097732W WO 2017101075 A1 WO2017101075 A1 WO 2017101075A1
Authority
WO
WIPO (PCT)
Prior art keywords
lock
locking
hole
slot
handle
Prior art date
Application number
PCT/CN2015/097732
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 CN201580040138.7A priority Critical patent/CN106574469B/zh
Priority to PCT/CN2015/097732 priority patent/WO2017101075A1/zh
Publication of WO2017101075A1 publication Critical patent/WO2017101075A1/zh

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • 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
    • G09F9/302—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 characterised by the form or geometrical disposition of the individual elements
    • G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
    • 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 a locking device and an LED display screen.
  • LED display screens With the development of society and the continuous improvement of living standards, 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 is that people have higher and higher requirements for renting LED display screens, especially for the quick disassembly and assembly of LED display screens, safety and reliability, and convenient construction and maintenance.
  • the current LED display cabinet requires at least two people. The cooperation is completed. One is holding the box, and one person locks the box to connect the fixing device. After the construction is completed, the LED box stack will have a certain height. If it is necessary to replace the module and the box, it needs to be replaced by foreign objects.
  • the patent number 2015201121770 requires a fixed box body, and two locking devices are respectively locked on one side of the box body, and at least two or more people are required to complete the installation, and the installation efficiency is low.
  • the present application provides a locking device and an LED display screen that can be installed and installed efficiently by a single person.
  • an embodiment provides a locking device including a first lock body and a second lock body, the first lock body includes a handle and a lock bar, and the second lock body includes a lock master;
  • There are two locking rods two locking rods are mounted on the two ends of the handle, and an annular groove is arranged on the circumference of the locking end of the locking rod;
  • two locking main pieces are provided, and the locking main piece is provided with a locking hole, and the locking hole is provided by a large The hole and the small hole are connected, the outer diameter of the lock rod is smaller than the inner diameter of the large hole of the lock hole and larger than the inner diameter of the small hole of the lock hole, and the outer diameter of the annular groove of the lock rod is smaller than the inner diameter of the small hole of the lock hole.
  • the first lock body further includes a runner, a connecting member and a fixing seat
  • the handle comprises a hand portion and a rotating shaft
  • the rotating shaft has two, two rotating shafts respectively mounted on the two ends of the handle
  • the rotating wheel, the connecting member and the fixing There are two seats, the runner is fixed at the end of the rotating shaft, and a convex engaging portion is arranged at an eccentric position on the side of the rotating wheel;
  • the locking rod is movably mounted on the fixing seat, and one end of the locking rod is connected with the connecting rod
  • the snap-fit portion of the runner is connected, and the rotary wheel drives the lock lever to move.
  • the fixing base has a horizontal plate and a vertical plate, and the horizontal plate is provided with a first through hole, the vertical plate
  • the utility model is provided with a connecting plate extending vertically upwards, a gap is provided between the connecting plate and the horizontal plate, and a second through hole is arranged on the connecting plate, and the rotating wheel is rotatably embedded in the second through hole of the connecting plate; Grooves are provided on both sides, and the grooves on the two sides are in communication with each other, the connecting member is sleeved on the connecting plate, the locking bar is fixed on the connecting member, and is disposed in the first through hole of the horizontal plate;
  • the side facing the handle is provided with a escaping slot for avoiding the rotating shaft, and the slot of the escaping slot is parallel to the axial direction of the lock bar;
  • the connecting member is further provided with a limiting slot, and the engaging portion of the rotating wheel is engaged with The slot of the limiting slot is perpendicular to the slot of the slot, and the slot of the slot
  • the inner wall of the second through hole is inlaid with at least one wave bead, and the lower end of the wave bead is provided with a spring; the circumference of the rotating wheel is provided with a continuous tooth groove, and the bead portion protrudes from the second through hole The inner wall is caught in the tooth groove of the runner.
  • the two sides of the rotating wheel are provided with symmetrical engaging portions, and correspondingly, the two sides of the connecting member are provided with symmetrical limiting slots.
  • the end of the lock lever having the groove end is provided with a round chamfer.
  • a surface of the locking hole facing away from the first lock body is provided with a sinking annular step surface along the circumference of the small hole.
  • the handle is arched, the hand-held portion is curved, and the center lines of the two rotating shafts are in a straight line.
  • an LED display screen is provided in an embodiment, including an upper box and a lower box, and further comprising the above locking device, the fixing seat is mounted on the lower box, and the locking master is mounted on the On the upper box body, the lower box body and the upper box body are hoisted and fixed together by the locking device.
  • the lower casing is provided with a rotating shaft mounting seat, and the rotating shaft is rotatably mounted on the rotating shaft mounting seat.
  • the locking device since the locking device includes the first lock body and the second lock body, the first lock body can be fixed on the lower case body, and the second lock body can be fixed on the upper lock body.
  • the lower box body On the box body, the lower box body is hoisted to the lower end of the upper box body, and the lower box body can first pass through the large hole of the lock hole of the upper box lock main body through the groove of the lock rod and then move the lock suspended on the lock master piece.
  • the rotating handle pulls the lock bar back, and finally the upper and lower cases are fitted together and locked by the lock bar.
  • This lifting process only needs to suspend and rotate the handle to complete the locking, and one can complete the quick completion, and No need to drag the lower case, and lock the ⁇ , the handle is in a horizontal position and can be used for climbing.
  • FIG. 1 is a schematic structural view of a first lock body of a locking device in an embodiment
  • FIG. 2 is a schematic structural view of a second lock body of a locking device according to an embodiment
  • FIG. 3 is a schematic structural diagram of an LED display screen in another embodiment
  • FIG. 4 is a partial enlarged view A of FIG. 3.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • a locking device which can be used to hoist and lock two objects together.
  • the locking device comprises a first lock body and a second lock body
  • the first lock body comprises a handle 1, a runner 2, a connecting member 3, a lock lever 4 and a fixing seat 5, and a second lock
  • the body comprises a locking mother piece 6, wherein the handle 1 is one, the rotating wheel 2, the connecting piece 3, the locking bar 4, the fixing base 5 and the locking main piece 6 respectively have two, and the rotating wheel 2 is respectively arranged at two ends of the handle 1.
  • the handle 1 drives the two lock levers 4 to be locked on the two lock masters 6.
  • the handle 1 has a bow shape
  • the handle 1 includes a hand portion 11 and a rotating shaft 12
  • the hand portion 11 has an arc shape
  • the rotating shaft 12 has two
  • the two rotating shafts 12 are respectively fixed at two ends of the hand portion 11.
  • the center lines of the two rotating shafts 12 are in a straight line.
  • the handle 11 and the rotating shaft 12 are fixed by welding, or the two ends of the handle 11 are provided with non-circular holes, and the end of the rotating shaft 12 is provided with a corresponding snapping structure. If both ends of the handle 11 are provided with a racetrack type hole, the rotating shaft 12
  • the cross section of the end is a racetrack type.
  • the shaft 12 is a long axis and the hand portion 11 is fixed in the middle of the long axis.
  • the hand-held portion 11 is of another structure that forms a force arm with the rotating shaft 12, such as a square or the like.
  • the handle 1 is directly rotatably mounted on the lower case through the rotating shaft 12, and the lower case is provided with a rotating hole for mounting the rotating shaft 12.
  • the handle 1 is rotatably mounted on a mounting seat having a pivot hole
  • the mount is fixed to the lower case.
  • Two runners 2 are respectively installed at two ends of the two rotating shafts 12 of the handle 1, and the runner 2 can be directly welded or inserted at the end of the rotating shaft 12, and the inserting manner can be mounted on the rotating shaft 12 with the handholding portion 11. The same is done in the same way.
  • Symmetrical, eccentric, and convex engaging portions 21 are provided on both sides of the runner 2.
  • the fixing base 5 has a horizontal plate 51 and a vertical plate 52, and one horizontal plate 51 and one vertical plate 52 are welded Forming a right angle structure together, or forming a horizontal plate 51 and a vertical plate 5 at right angles to one plate.
  • a first through hole is formed in the horizontal plate 51.
  • the diameter of the first through hole is slightly larger than the outer diameter of the lock rod 4.
  • the first through hole limits the lock rod 4, and the lock rod 4 can be in the first through hole.
  • the vertical plate 52 is provided with a connecting plate 53 extending vertically upwards.
  • a predetermined gap is provided between the connecting plate 53 and the horizontal plate 51.
  • the connecting plate 53 is provided with a second through hole.
  • the rotating wheel 2 is rotatably mounted on the connecting plate. Inside the second through hole of the plate 53.
  • the surface of the connecting member 3 facing the connecting plate 53 is provided with a groove for mounting, and the groove passes through the lower end surface of the connecting member 3, and the connecting member 3 is sleeved on the connecting plate 53, and one end of the locking rod 4 is fixed at
  • the connecting member 3 has a free end formed by the other end passing through the first through hole of the horizontal plate 51, and an annular groove is formed on the circumference of the free end of the lock lever 4. For ease of installation, a round chamfer is provided at the end of the free end of the lock bar 4.
  • one side of the connecting member 3 faces the vertical plate 52, and the other opening is downward, and the mouths of the two sides communicate with each other.
  • the side surface of the connecting member 3 facing the handle 1 is provided with a escaping slot 31 for escaping the rotating shaft 12, and the slot of the escaping slot 31 is parallel to the axial direction of the lock lever 4, that is, the slot direction of the escaping slot 31 is vertically disposed.
  • a symmetrical limiting slot 32 is provided on both sides of the connecting member 3.
  • the slot of the limiting slot 32 is perpendicular to the slot of the escaping slot 31, that is, the slot of the limiting slot 32 is horizontal.
  • the limit slot 32 is located at the bottom of the escape slot 31.
  • the connecting member 3 is on the surface facing the handle 1, and the limiting slot 32 communicates with the lowermost end of the avoiding slot 31.
  • the engaging portion 21 of the wheel 2 is engaged in the limiting slot 32.
  • two wave beads are embedded on the inner wall of the second through hole of the connecting plate 53, and a spring is arranged under the wave bead, and the bead portion protrudes under the action of the spring The inner wall of the second through hole.
  • a continuous tooth groove is provided on the runner 2, and a convex portion of the wave bead is engaged in the tooth groove.
  • the setting of the bead is such that the rotation of the bead 2 from one slot to the other during the rotation process will make a creaking sound, and the operator can turn the handle 1 to perform a shackle or lock ⁇ to pass the oscillating ball
  • the sound is used to judge whether the shackle or lock is in place, which improves the operator's operating efficiency.
  • the number and position of the beads can be set according to actual needs.
  • the connecting member 3 is a connecting rod, and the two ends of the connecting rod are respectively rotatably connected with the locking rod 4 and the engaging member 21 of the rotating wheel 2, and the rotating rotating wheel 2 can also realize the locking rod 4 move up and down.
  • the lock master 6 is provided with a lock hole 61, and the lock hole 61 is formed by connecting a large hole and a small hole, and the lock hole is formed.
  • the large hole diameter in the keyhole 61 is slightly larger than the outer diameter of the lock bar 4, and the small hole diameter is smaller than the outer diameter of the lock bar 4 And larger than the outer diameter of the annular groove of the lock rod 4, so that the free end of the lock rod 4 can finally be caught on the small circle through the large circle of the lock hole 61.
  • the surface of the locking hole 61 facing away from the first lock body is provided with a sunken annular step surface along the circumference of the small hole, so that the lock rod 4 does not slide to the large hole after being locked on the small hole.
  • the upper case is hoisted as an example to illustrate the locking of the locking device.
  • the first lock body of the locking device can be mounted at the upper end of the lower case, and the second lock body is mounted at the lower end of the upper case. That is, the fixing base 5 is fixed on the lower casing, the locking mother piece 6 is mounted on the upper casing, and the locking mother piece 6 is disposed corresponding to the locking bar, and the locking mother piece 6 is horizontally disposed.
  • the lifting device first rotates the handle 1 upward to the vertical position, the handle 1 drives the rotating wheel 2 to rotate, and the engaging portion 21 of the rotating wheel 2 moves upward against the connecting member 3, finally causing the locking rod 4 to extend upward to the limit position;
  • the lower case will be transported so that the free end of the lock bar 4 is inserted into the large hole of the lock hole 61, and the groove of the lock bar 4 is parallel to the small hole, the lower case is moved, and the lock bar 4 is locked into the lock hole 4.
  • the lower box body is hung on the lower end of the upper box body, and finally the handle 1 is rotated downward to the horizontal position, which is also the locking limit position of the handle 1, and likewise, the engaging portion 21 of the runner 2 is connected.
  • the piece 3 is lowered downward, so that the lock bar 4 moves downward, and the lower case moves upward, and finally the lower case is hoisted at the lower end of the upper case.
  • This hoisting process can be completed by a single operator, and the lower case can be hung on the upper case without the need for others to drag the lower case to lock.
  • the setting of the limiting slot and the avoiding slot the handle 1 can only rotate within a range of 90° between the horizontal position and the upward vertical position, that is, the locking device is in the horizontal position and the downward direction of the locking handle 1 The rotation is limited so that the locking jaw handle 1 can be used for climbing. Therefore, the locking device provided by the embodiment can be locked by a single person, has high locking efficiency, and can be used for handling and climbing.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1
  • an LED display screen is provided.
  • the LED display screen includes an upper LED unit case 10 and a lower LED unit case 20, and further includes the locking device of the above embodiment. 30.
  • the first lock body of the locking device 30 is mounted on the upper end of the lower LED unit case 20, and the second lock body is mounted on the lower end of the upper LED unit case 10.
  • the locking device is used for lifting and locking of the LED display screen.
  • the lower LED unit housing 20 is provided with a rotating shaft mounting seat, and the rotating shaft mounting base and the lower LED unit housing 20 are of an integral structure, and the rotating shaft mounting seat has two, the rotating shaft mounting seat Mounting holes are provided thereon, and the rotating shaft 12 of the locking device is rotatably mounted on the rotating shaft mounting seat.
  • the spindle mount can also be a component that is mounted to the lower LED unit housing 20.
  • the LED display screen provided by the embodiment is installed by the locking device, which can not only realize quick installation by one person. .
  • the handle 1 Before the lock is installed, the handle 1 can also be used to carry the LED unit case. After the lock is installed, the handle 1 is in a horizontal position, and can only be rotated upwards, and is limited downward, so that the handle 1 can be used for climbing, and the LED is convenient. Installation and maintenance of the display.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rehabilitation Tools (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
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Abstract

一种锁紧装置及LED显示屏，锁紧装置包括第一锁体和第二锁体，第一锁体包括把手（1）和锁杆（4），第二锁体包括锁母片（6）；锁杆（4）有两个，两个锁杆（4）安装在把手（1）的两端，锁杆（4）的锁定端的圆周上设有环形凹槽；锁母片（6）有两个，锁母片（6）上设有锁孔（61），锁孔（61）由一大孔和一小孔连接而成，锁杆（4）的外径小于锁孔（61）的大孔内径并大于锁孔（61）的小孔内径，锁杆（4）环形凹槽的外径小于锁孔（61）的小孔内径；第一锁体固定在下箱体上，第二锁体固定在上箱体上，锁杆（4）可穿通过环形凹槽卡接在锁孔（61）上。吊装过程只需悬挂和转动把手（1）完成锁定，一个人能够完成快速完成，并且把手（1）可用于攀爬。

Description

发明名称：锁紧装置及 LED显示屏
技术领域
[0001] 本申请涉及 LED显示技术领域， 具体涉及一种锁紧装置及 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， 特别对于 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显示箱体的拼接 至少需要两个人合作完成,一个拿着箱体， 一人锁紧箱体连接固定装置， 在搭建 完成后， LED箱体堆叠会有一定的高度， 若需要要更换模组和箱体， 则需要借助 外物才能更换， 如专利号 2015201121770， 需要固定箱体， 箱体一边分别有两个 锁紧装置分别锁紧， 需至少两人以上才能完成安装， 安装效率低。
[0005] 发明内容
[0006] 本申请提供一种能由单人完成安装并安装效率高的锁紧装置及 LED显示屏。
[0007] 根据第一方面， 一种实施例中提供一种锁紧装置， 包括第一锁体和第二锁体， 第一锁体包括把手和锁杆， 第二锁体包括锁母片； 锁杆有两个， 两个锁杆安装 在把手的两端， 锁杆的锁定端的圆周上设有环形凹槽； 锁母片有两个， 锁母片 上设有锁孔， 锁孔由一大孔和一小孔连接而成， 锁杆的外径小于锁孔的大孔内 径并大于锁孔的小孔内径， 锁杆环形凹槽的外径小于锁孔的小孔内径。
[0008] 进一步地， 第一锁体还包括转轮、 连接件和固定座， 把手包括手持部和转轴， 转轴有两个， 两个转轴分别安装在把手两端； 转轮、 连接件和固定座均有两个 ， 转轮固定在转轴的端部， 在转轮侧面的偏心位置设有凸出的卡接部； 锁杆可 移动地安装在固定座上， 锁杆的一端通过连接件与转轮的卡接部连接， 转轮旋 转驱动锁杆移动。
[0009] 进一步地， 固定座具有一水平板和一竖直板， 水平板上设有第一通孔， 竖直板 设有垂直向上延伸的连接板， 连接板与水平板之间设有间隙， 连接板上设有第 二通孔， 转轮可转动地镶嵌在连接板的第二通孔内； 连接件相邻的两侧面上均 设有凹槽， 且两侧面的凹槽相互联通， 连接件套设在连接板上， 锁杆固定在连 接件上， 并穿设在水平板的第一通孔内； 连接件面向把手的侧面上设有用于避 让转轴的避让槽孔， 且避让槽孔的槽向与锁杆的轴向平行； 连接件上还设有限 位槽孔， 转轮的卡接部卡接在限位槽孔内； 限位槽孔位的槽向与避让槽孔的槽 向垂直， 并且限位槽孔位于避让槽孔远离锁杆的一端。
[0010] 进一步地， 第二通孔的内壁上镶嵌有至少一个波珠， 波珠的下端设置有弹簧； 转轮的圆周上设有连续的齿槽， 波珠部分凸出于第二通孔的内壁并卡在转轮的 齿槽内。
[0011] 进一步地， 转轮的两侧面上设有对称的卡接部， 对应的， 连接件的两侧设有对 称的限位槽孔。
[0012] 进一步地， 锁杆的具有凹槽端的端部设有圆倒角。
[0013] 进一步地， 锁孔背向第一锁体的面上沿小孔的圆周设有下沉的环形台阶面。
[0014] 进一步地， 把手呈弓型， 手持部呈弧形， 两个转轴的中心线在一条直线上。
[0015] 根据第二方面， 一种实施例中提供一种 LED显示屏， 包括上箱体和下箱体， 还 包括上述的锁紧装置， 固定座安装在下箱体上， 锁母片安装在上箱体上， 下箱 体和上箱体通过锁紧装置上下吊装固定在一起。
[0016] 进一步地， 下箱体上设有转轴安装座， 转轴可旋转地安装在转轴安装座上。
[0017] 依据上述实施例的锁紧装置及 LED显示屏， 由于锁紧装置包括第一锁体和第二 锁体， 第一锁体可固定在下箱体上， 第二锁体可固定在上箱体上， 下箱体吊装 到上箱体下端吋， 可将下箱体先通过锁杆的凹槽先穿过上箱体锁母片锁孔的大 孔再移动悬挂在锁母片的锁孔的小孔上， 旋转把手将锁杆往回拉， 最终上下箱 体贴合在一起， 并被锁杆锁定， 此吊装过程只需悬挂和转动把手完成锁定， 一 个人能够完成快速完成， 而不需要其他拖住下箱体， 并且锁定吋， 把手处于水 平位置， 可用于攀爬。
[0018]
[0019] 附图说明 [0020] 图 1为一种实施例中锁紧装置第一锁体的结构示意图；
[0021] 图 2为一种实施例中锁紧装置第二锁体的结构示意图；
[0022] 图 3为另一种实施例中 LED显示屏的结构示意图；
[0023] 图 4为图 3的局部放大图 A。
[0024]
[0025] 具体实施方式
[0026] 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。
[0027] 实施例一：
[0028] 在本发明实施例中提供了一种锁紧装置， 锁紧装置可用于将两个物体吊装锁紧 在一起。
[0029] 如图 1所示， 锁紧装置包括第一锁体和第二锁体， 第一锁体包括把手 1、 转轮 2 、 连接件 3、 锁杆 4和固定座 5， 第二锁体包括锁母片 6， 其中把手 1为一个， 转轮 2、 连接件 3、 锁杆 4、 固定座 5和锁母片 6分别有两个， 在把手 1的两端分别有转 轮 2、 连接件 3、 锁杆 4和固定座 5。 把手 1带动两个锁杆 4同吋锁定在两个锁母片 6 上。
[0030] 优选的， 把手 1呈弓字型， 把手 1包括手持部 11和转轴 12， 手持部 11呈弧形， 转 轴 12有两个， 两个转轴 12分别固定在手持部 11的两端， 且两个转轴 12的中心线 在一条直线上。 把手 11和转轴 12通过焊接固定， 或者把手 11的两端设有非圆孔 ， 转轴 12端部上设有对应的卡接结构， 如把手 11的两端设有跑道型孔， 则转轴 1 2端部的横截面为跑道型。 在其他实施例中， 转轴 12为一个长轴， 手持部 11固定 在长轴中间。 或者手持部 11为其他与转轴 12形成力臂的结构， 如方形等。
[0031] 把手 1通过转轴 12直接可旋转地安装在下箱体上， 下箱体上设有安装转轴 12的 转孔。 在其他实施例中， 把手 1可旋转地安装在一安装座上， 安装座上设有转孔
， 安装座固定在下箱体上。
[0032] 两个转轮 2分别安装在把手 1的两个转轴 12的两端， 转轮 2可直接焊接或插装在 转轴 12的端部， 插装方式可与手持部 11安装在转轴 12的插装方式一样。 转轮 2的 两侧设有对称的、 偏心的及凸出的卡接部 21。
[0033] 固定座 5具有一个水平板 51和一竖直板 52， 一个水平板 51和一竖直板 52为焊接 在一起形成直角结构， 或者为一个板直角折弯形成一个水平板 51和一竖直板 5。 在水平板 51上设有第一通孔， 第一通孔的直径略大于锁杆 4的外径， 第一通孔对 锁杆 4进行限位， 并锁杆 4可在第一通孔内移动。 竖直板 52设有垂直向上延伸的 连接板 53， 连接板 53与水平板 51之间设有预设的间隙， 连接板 53上设有第二通 孔， 转轮 2可旋转地安装在连接板 53的第二通孔内。
[0034] 连接件 3面对连接板 53的面上设有用于安装的凹槽， 并且凹槽穿出连接件 3下端 面， 连接件 3套在连接板 53上， 锁杆 4的一端固定在连接件 3上， 另一端穿过水平 板 51的第一通孔形成自由端， 锁杆 4自由端的圆周上设有环形的凹槽。 为了方便 安装， 在锁杆 4自由端的端部设有圆倒角。
[0035] 如图 1所示方位， 连接件 3的一侧幵口面向竖直板 52， 另一幵口向下， 两侧面的 幵口联通。 连接件 3的面向把手 1的侧面上设有避让转轴 12的避让槽孔 31， 避让 槽孔 31的槽向与锁杆 4的轴向平行， 即避让槽孔 31的槽向为竖直设置， 当连接件 3和锁杆 4上下移动吋， 能避让不动的转轴 12。 在连接件 3两侧面上设有对称的限 位槽孔 32， 优选的， 限位槽孔 32的槽向与避让槽孔 31的槽向垂直， 即限位槽孔 3 2的槽向为水平设置。 限位槽孔 32位于避让槽孔 31的最下方。 为了方便加工及安 装， 连接件 3在面对把手 1的面上， 限位槽孔 32与避让槽孔 31最下端的联通。 转 轮 2的卡接部 21卡接在限位槽孔 32内。
[0036] 为了便于操作人员的操作， 在连接板 53的第二通孔的内壁上镶嵌有 2个波珠， 在波珠的下面设有弹簧， 在弹簧的作用下， 波珠部分凸出于第二通孔的内壁。 对应的， 在转轮 2上设有连续的齿槽， 波珠凸出的部分卡接在齿槽内。 波珠的设 置使得转轮 2在转动的过程波珠从一个齿槽跳转到另一个齿槽会发出咯吱的声响 ， 操作人员在转动把手 1进行幵锁或锁定吋， 就能通过听波珠的声响来判断幵锁 或锁定是否到位， 提高了操作人员的操作效率。 其中波珠的数量和位置可根据 实际需求设置。
[0037] 在其他实施例中， 连接件 3为连杆， 连杆两端分别与锁杆 4和转轮 2的卡接件 21 可旋转地连接， 转动转轮 2同样可实现锁杆 4的上下移动。
[0038] 如图 2所示， 锁母片 6上设有锁孔 61， 锁孔 61由一大孔和一小孔连接而成， 锁孔
61呈葫芦形状， 锁孔 61中大孔孔径略大于锁杆 4外径， 小孔孔径小于锁杆 4外径 并且大于锁杆 4环形凹槽的外径， 使得锁杆 4的自由端能穿过锁孔 61的大圆最终 卡接在小圆上。 为了提高锁紧效果， 锁孔 61背向第一锁体的面上沿小孔的圆周 设有下沉的环形台阶面， 使得锁杆 4锁定在小孔上后， 不会向大孔滑动。
[0039] 本实施例以上下箱体吊装为例来说明本锁紧装置的锁紧原来。 锁紧装置的第一 锁体可安装在下箱体的上端， 第二锁体安装在上箱体的下端。 即固定座 5固定在 下箱体上， 锁母片 6安装在上箱体上， 并且锁母片 6与锁杆对应设置， 锁母片 6水 平设置。 吊装吋， 先将把手 1向上旋转到竖直位置， 把手 1带动转轮 2转动， 转轮 2的卡接部 21顶着连接件 3向上运动， 最终使得锁杆 4向上伸到极限位置； 再将搬 运下箱体， 使得锁杆 4的自由端***锁孔 61的大孔中， 到锁杆 4的凹槽与小孔平 行吋， 移动下箱体， 将锁杆 4卡入锁孔 4的小孔中， 此吋下箱体已悬挂在上箱体 的下端， 最后将把手 1向下旋转至水平位置， 也是把手 1的锁定极限位置， 同样 ， 转轮 2的卡接部 21把件连件 3向下顶， 使得锁杆 4向下移动， 相对的， 下箱体向 上移动， 最终将下箱体吊装在上箱体的下端。 此吊装过程， 只需一个人操作人 员即可完成， 下箱体能够悬挂在上箱体上， 不需要其他人拖着下箱体再进行上 锁。 并且， 限位槽孔和避让槽孔的设置， 把手 1只能在水平位置和向上的竖直位 置之间的 90°范围内转动， 即锁紧装置在锁定吋把手 1处于水平位置并向下转动被 限制， 使得锁定吋把手 1能够用于攀爬。 因此本实施例提供的锁紧装置能够由单 人完成上锁， 锁紧效率高， 并且可用于搬运和攀爬。
[0040] 实施例二：
[0041] 如图 3和图 4所示， 在本实施例中提供了 LED显示屏， LED显示屏包括上 LED单 元箱体 10和下 LED单元箱体 20， 还包括上述实施例的锁紧装置 30， 锁紧装置 30的 第一锁体安装在下 LED单元箱体 20的上端， 第二锁体安装在上 LED单元箱体 10下 端， 锁紧装置用于 LED显示屏的吊装锁紧。
[0042] 为了提高把手 1的稳定性， 下 LED单元箱体 20上设有转轴安装座， 且转轴安装 座与下 LED单元箱体 20为一体式结构， 转轴安装座有两个， 转轴安装座上设有安 装孔， 锁紧装置的转轴 12可旋转地安装在转轴安装座上。 在其他实施例中， 转 轴安装座也可为安装在下 LED单元箱体 20上的部件。
[0043] 本实施例提供的 LED显示屏， 通过该锁紧装置安装， 不仅能实现单人快速安装 。 在锁定安装前， 把手 1还能用于搬运 LED单元箱体， 锁定安装后， 把手 1处于水 平位置， 且只能向上转动， 向下被限位， 使得把手 1能有用于攀爬， 便于 LED显 示屏的安装与维修。
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] 一种锁紧装置， 其特征在于， 包括第一锁体和第二锁体， 所述第一锁 体包括把手和锁杆， 所述第二锁体包括锁母片； 所述锁杆有两个， 两 个所述锁杆安装在所述把手的两端， 所述锁杆的锁定端的圆周上设有 环形凹槽； 所述锁母片有两个， 所述锁母片上设有锁孔， 所述锁孔由 一大孔和一小孔连接而成， 所述锁杆的外径小于锁孔的大孔内径并大 于锁孔的小孔内径， 所述锁杆环形凹槽的外径小于所述锁孔的小孔内 径。
[权利要求 2] 如权利要求 1所述的锁紧装置， 其特征在于， 所述第一锁体还包括转 轮、 连接件和固定座， 所述把手包括手持部和转轴， 所述转轴有两个 ， 两个所述转轴分别安装在所述把手两端； 所述转轮、 连接件和固定 座均有两个， 所述转轮固定在所述转轴的端部， 在所述转轮侧面的偏 心位置设有凸出的卡接部； 所述锁杆可移动地安装在所述固定座上， 所述锁杆的一端通过所述连接件与所述转轮的卡接部连接， 所述转轮 旋转驱动所述锁杆移动。
[权利要求 3] 如权利要求 2所述的锁紧装置， 其特征在于， 所述固定座具有一水平 板和一竖直板， 所述水平板上设有第一通孔， 所述竖直板设有垂直向 上延伸的连接板， 所述连接板与所述水平板之间设有间隙， 所述连接 板上设有第二通孔， 所述转轮可转动地镶嵌在所述连接板的第二通孔 内； 所述连接件相邻的两侧面上均设有凹槽， 且两侧面的所述凹槽相 互联通， 所述连接件套设在所述连接板上， 所述锁杆固定在所述连接 件上， 并穿设在所述水平板的第一通孔内； 所述连接件面向所述把手 的侧面上设有用于避让所述转轴的避让槽孔， 且所述避让槽孔的槽向 与所述锁杆的轴向平行； 所述连接件上还设有限位槽孔， 所述转轮的 卡接部卡接在所述限位槽孔内； 所述限位槽孔位的槽向与所述避让槽 孔的槽向垂直， 并且所述限位槽孔位于所述避让槽孔远离所述锁杆的 山
—
[权利要求 4] 如权利要求 3所述的锁紧装置， 其特征在于， 所述第二通孔的内壁上 镶嵌有至少一个波珠， 所述波珠的下端设置有弹簧； 所述转轮的圆周 上设有连续的齿槽， 所述波珠部分凸出于所述第二通孔的内壁并卡在 所述转轮的齿槽内。
[权利要求 5] 如权利要求 4所述的锁紧装置， 其特征在于， 所述转轮的两侧面上设 有对称的卡接部， 对应的， 所述连接件的两侧设有对称的限位槽孔。
[权利要求 6] 如权利要求 5所述的锁紧装置， 其特征在于， 所述锁杆的具有凹槽端 的端部设有圆倒角。
[权利要求 7] 如权利要求 6所述的锁紧装置， 其特征在于， 所述锁孔背向所述第一 锁体的面上沿所述小孔的圆周设有下沉的环形台阶面。
[权利要求 8] 如权利要求 7所述的锁紧装置， 其特征在于， 所述把手呈弓型， 所述 手持部呈弧形， 两个所述转轴的中心线在一条直线上。
[权利要求 9] 一种 LED显示屏， 包括上箱体和下箱体， 其特征在于， 还包括如权利 要求 1至 8任一项所述的锁紧装置， 所述固定座安装在下箱体上， 所述 锁母片安装在上箱体上， 所述下箱体和上箱体通过所述锁紧装置上下 吊装固定在一起。
[权利要求 10] 如权利要求 9所述的 LED显示屏， 其特征在于， 所述下箱体上设有 转轴安装座， 所述转轴可旋转地安装在所述转轴安装座上。
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