WO2016065901A1 - 锁紧装置 - Google Patents

锁紧装置 Download PDF

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Publication number
WO2016065901A1
WO2016065901A1 PCT/CN2015/080853 CN2015080853W WO2016065901A1 WO 2016065901 A1 WO2016065901 A1 WO 2016065901A1 CN 2015080853 W CN2015080853 W CN 2015080853W WO 2016065901 A1 WO2016065901 A1 WO 2016065901A1
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WO
WIPO (PCT)
Prior art keywords
locking
fixing
fixing device
lock
fixing block
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PCT/CN2015/080853
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English (en)
French (fr)
Inventor
邓涛
刘爱华
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深圳市雷凌显示技术有限公司
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Publication of WO2016065901A1 publication Critical patent/WO2016065901A1/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
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
    • F16B2/12—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using sliding jaws

Definitions

  • the invention relates to the field of LED installation, in particular to a locking device capable of quickly installing an LED screen.
  • the existing LED screen mounting methods include hanging, rack mounting, lifting, seat mounting, etc., and are generally fixedly installed by using expansion screws. These methods are complicated in operation and require a lot of manpower and Time, especially when assembling large LED splicing screens, can not achieve the purpose of quick installation, and when installing, tools need to be used to reduce the work efficiency. It is easy to cause looseness and instability by using screws and other installation methods. The ordinary screws are single threads. The design, in this way, requires a larger screwing stroke during the screwing process, which wastes a lot of working time.
  • a locking device includes a first fixing device, a second fixing device, a lock lever and an adjusting nut.
  • One end of the locking rod is connected with the adjusting nut, and the first fixing device is sleeved on the other end of the locking rod, and the second fixing is The device is disposed between the first fixing device and the adjusting nut, and the second fixing device is slidably engaged with the locking bar.
  • the lock bar passes through the edge of the two LED screens or through the edges of the LED screen and the support frame, so that the two edges are located between the first fixing device and the second fixing device, and then the adjusting nut is screwed to realize the installation of the LED screen.
  • the operation is convenient and simple, and it is easy to assemble and hoist the LED screen.
  • the end of the lock bar is grooved and the first fixture snaps into the groove.
  • the first fixing device comprises a first fixing block, an elastic device and a lock master.
  • the elastic device is disposed inside the first fixing block, the locking mother piece is supported by the first fixing block, and the elastic device is matched with the locking mother piece.
  • the lock master snaps into the groove.
  • the elastic device is arranged to stably lock the lock master into the groove, so that the first fixing device plays a locking function and facilitates the installation and disassembly of the first fixing device.
  • the lock master is provided with a through hole, and a side edge of the through hole is caught in the groove. Thereby, the positioning of the lock master on the lock bar is facilitated.
  • the lock master is provided with a limiting slot
  • the first fixing block is provided with a limiting post
  • the limiting post passes through the limiting slot.
  • the limiting slot and the limiting post cooperate to realize the limitation of the stroke of the locking master, so that the movement of the locking master is more stable.
  • the lock master includes a grip portion, a neck portion and a locking portion that are sequentially connected, and the through hole is provided in the locking portion, and the limiting slot is provided in the neck portion.
  • the grip facilitates the operator to snap the lock master into the recess.
  • the first fixing device includes a first fixing block and a positioning member, and the positioning member passes through the first fixing block, and one end of the positioning member is engaged with the groove.
  • the second fixing device is provided with a guiding member, and the side of the locking rod is provided with a card slot, and the end of the guiding member extends into the card slot.
  • the guide moves within the card slot to guide the second fixture.
  • the second securing means includes a second securing block and a retaining block collar that are coupled to each other and the guide member is coupled to the retaining block collar.
  • the second fixing block is convenient to abut against the edge of the flat road, and the fixing collar is arranged to facilitate the second fixing device to abut against the adjusting nut, thereby realizing the locking of the edge of the screen by the first fixing device and the second fixing device.
  • the adjustment nut is provided with a handle, and one end of the lock rod is provided with a bidirectional thread, and the two-way thread is mated with the adjustment nut.
  • the handle makes the torque of the adjusting nut larger, which is convenient for rotation and convenient for locking operation.
  • the two-way thread setting increases the stroke of the adjusting nut without increasing the pitch.
  • the invention has the beneficial effects that the locking rod of the locking device of the invention passes through the edge of the two LED screens or through the edges of the LED screen and the support frame, so that the two edges are located between the first fixing device and the second fixing device, after which Tighten the adjusting nut to achieve the installation of the LED screen.
  • the locking device provided by the invention has the advantages of simple structure, convenient and simple operation, stable structure, improved work efficiency, and easy assembly and hoisting of the splicing screen.
  • FIG. 1 is a schematic structural view of a locking device according to Embodiment 1 of the present invention.
  • Figure 2 is a cross-sectional view of the locking device shown in Figure 1;
  • Figure 3 is a schematic exploded view showing the assembly relationship of the locking device shown in Figure 1;
  • Figure 4 is a schematic view showing the structure of the first fixing device of the locking device shown in Figure 1 after removing the cover;
  • Figure 5 is a schematic exploded view showing the first fixing device of the locking device according to Embodiment 2 of the present invention.
  • FIG. 6 is a schematic exploded view showing the first fixing device of the locking device according to Embodiment 3 of the present invention.
  • FIG. 7 is a schematic structural view of a locking device according to Embodiment 4 of the present invention.
  • the locking device of the present embodiment includes a first fixing device 1, a second fixing device 2, a locking rod 3 and an adjusting nut 4, and one end of the locking rod 3 is connected with the adjusting nut 4, first
  • the fixing device 1 is sleeved on the other end of the lock bar 3
  • the second fixing device 2 is disposed between the first fixing device 1 and the adjusting nut 4, and the second fixing device 2 is slidably engaged with the locking bar 3.
  • the adjusting nut 4 is provided with a shank 41, and the adjusting nut 4 and the shank 41 are of a unitary structure.
  • the first fixing device 1, the second fixing device 2, the lock lever 3 and the adjusting nut 4 are all made of iron, steel, aluminum or alloy.
  • the end of the lock lever 3 is provided with a circumferential groove 31, and the first fixing device 1 is engaged with the recess 31.
  • the end of the lock bar 3 is chamfered, and the chamfering arrangement facilitates the first fixing device 1 to be fitted over the lock bar 3.
  • One end of the lock rod 3 is provided with a two-way thread, and the adjusting nut 4 is matched with the two-way thread.
  • the two-way thread setting can increase the knob stroke without increasing the pitch, so that the adjusting nut 4 can have a larger stroke when the rotation angle is smaller. Easy to operate.
  • the first fixing device 1 includes a first fixing block 11, an elastic device 12 and a lock main piece 13.
  • the elastic device 12 is disposed inside the first fixing block 11, and the locking main piece 13 is supported by the first fixing block 11, the elastic device 12 and the lock
  • the mother sheets 13 are in contact with each other, and the lock mother sheets 13 are caught in the grooves 31.
  • the lock master 13 is provided with a through hole 131 and a limiting slot 132, and the side edge of the through hole 131 is engaged with the recess 31.
  • a limiting post 111 is disposed in the first fixing block 11 , and the limiting post 111 passes through the limiting slot 132 .
  • the lock master 13 includes a grip portion 133, a neck portion 134 and a locking portion 135 which are sequentially connected, and the grip portion 133, the neck portion 134 and the locking portion 135 are of a unitary structure.
  • the through hole 131 is disposed in the locking portion 135
  • the limiting slot 132 is disposed in the neck portion 134 .
  • the locking portion 135 is located inside the first fixing block 11.
  • the first fixing block 11 includes a housing 112 and a cover 113 fixedly connected by screws, and the limiting post 111 is fixed to the inner side surface of the housing 112 by welding or integral molding.
  • a lock master movable slot 114 is disposed in the housing 112, and the locking portion 135 is located in the lock master movable slot 114.
  • the housing 112 is also provided for placement
  • the resilient means of the resilient means 12 are movable slots 115.
  • the elastic device 12 is a spring. One end of the spring is fixedly connected to the end of the locking portion 135 by welding, and the other end is also fixedly connected to the inner wall of the elastic device movable groove 115 by welding.
  • the elastic means 12 is used to reset the lock master 13.
  • the number of the elastic means 12 is two, and the two elastic means 12 make the locking master 13 have a better reset effect without causing a deviation.
  • the second fixing device 2 includes a guiding member 21, a second fixing block 22 and a fixing block collar 23, and the second fixing block collar 23 is fixed to the second fixing block 22 by welding or bolt fixing.
  • the guide member 21 is connected to the fixed block collar 23.
  • the guiding member 21 is a bead screw or a machine screw, and the guiding member 21 is screwed to the fixing block collar 23.
  • a latching groove 32 is defined in the side of the locking rod 3.
  • the guiding member 21 passes through the fixing block collar 23 and extends into the slot 32.
  • the ball at the bottom end of the bead screw facilitates the sliding and positioning of the second fixing device 2 in the slot 32.
  • the two LED screen boxes are assembled, the locking rod 3 is passed through the mounting hole at the edge of the box, and then the first fixing device 1 is clamped into the recess 31 so that the box edge is located at the first fixing device 1 and Between the second fixtures 2.
  • the second fixing device 2 is slid to the edge of the box, and then the adjusting nut 4 is rotated to make the top of the adjusting nut 4 abut against the fixing block collar 23, so as to lock the edges of the two boxes.
  • the lock rod 3 is provided with a two-way thread
  • the adjustment nut 4 has a large stroke when the rotation angle is small.
  • the adjustment nut 4 is rotated by 100°-180° from the initial position to achieve locking for easy operation.
  • the locking device of the embodiment has the advantages of simple structure, convenient and simple operation, and can greatly improve working efficiency, high component precision, stable structure, and easy assembly and hoisting of the LED screen in practical use.
  • the elastic means 12 of the locking device of the present embodiment is a spring piece.
  • the elastic means 12 of the locking device of the present embodiment is an elastic rubber.
  • the first fixing device 1 of the locking device of the present embodiment includes a first fixing block 11 and a positioning member 14 , and the positioning member 14 passes through the first fixing block 11 and is positioned. One end of the member 14 is snapped into the recess 31.
  • the positioning member 14 is a bead screw or a machine screw. The positioning member 14 is screwed to the first fixing block 11, and one end of the positioning member 14 is engaged with the groove 31 to play the locking function.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)

Abstract

一种锁紧装置，包括第一固定装置（1）、第二固定装置（2）、锁杆（3）和调节螺母（4），锁杆（3）一端与调节螺母（4）连接，第一固定装置（1）套设于锁杆（3）另一端，第二固定装置（2）设于第一部固定装置（1）与调节螺母（4）之间，第二固定装置（4）与锁杆（3）滑动配合。由此，锁杆穿过两LED屏的边缘或者穿过LED屏和支撑架的边缘，使两边缘位于第一固定装置和第二固定装置之间，之后旋紧调节螺母，实现LED屏的安装，操作方便简洁，易于进行LED屏的拼装和吊装。

Description

锁紧装置 技术领域
本发明涉及LED安装领域，具体涉及一种能满足快速安装LED屏幕的锁紧装置。
背景技术
目前，现有的LED屏幕安装方式采取的方法有挂装、架装、吊装、座装等，一般采用膨胀螺丝等固定安装，采用这等方法，在操作上复杂化，需要耗费大量的人力和时间，尤其在组装大型LED拼接屏时，不能达到快速安装的目的，并且安装时，需要借助工具，降低了工作效率，采用螺丝等安装方式也容易造成松动不稳定，普通的螺丝都是单螺纹设计，这样，在旋拧的过程中需要加大旋拧行程，浪费了大量的工作时间。
发明内容
本发明的目的提供一种锁紧装置，解决上述现有技术问题中的一个或者多个。
根据本发明的一种锁紧装置，包括第一固定装置、第二固定装置、锁杆和调节螺母，锁杆一端与调节螺母连接，第一固定装置套设于锁杆另一端，第二固定装置设于第一部固定装置与调节螺母之间，第二固定装置与锁杆滑动配合。由此，锁杆穿过两LED屏的边缘或者穿过LED屏和支撑架的边缘，使两边缘位于第一固定装置和第二固定装置之间，之后旋紧调节螺母，实现LED屏的安装，操作方便简洁，易于进行LED屏的拼装和吊装。
在一些实施方式中，锁杆的端部开有凹槽，第一固定装置卡入凹槽。由此，卡槽的设置使第一固定装置固定于锁杆的某一位置，简化结构。
在一些实施方式中，第一固定装置包括第一固定块、弹性装置和锁母片，弹性装置设于第一固定块内部，锁母片由第一固定块支撑，弹性装置与锁母片相抵触，锁母片卡入凹槽。由此，弹性装置的设置使锁母片稳定卡于凹槽，使第一固定装置起到锁紧作用，且方便第一固定装置安装和拆卸。
在一些实施方式中，锁母片开有通孔，通孔的侧边缘卡入凹槽。从而便于锁母片在锁杆上的定位。
在一些实施方式中，锁母片设有限位槽孔，第一固定块内设有限位柱，限位柱穿过限位槽孔。限位槽孔和限位柱相配合，实现对锁母片行程的限定，使锁母片的运动更加稳定。
在一些实施方式中，锁母片包括依次连接的握持部、颈部和锁紧部，通孔设于锁紧部，限位槽孔设于颈部。握持部便于操作者将锁母片卡入凹槽。
在一些实施方式中，第一固定装置包括第一固定块和定位件，定位件穿过第一固定块，定位件的一端卡入凹槽。采用这种形式的第一固定装置，在结构上更为简单，并节约大量材料。
在一些实施方式中，第二固定装置设有导向件，锁杆侧面设有卡槽，导向件的端部伸入卡槽。导向件在卡槽内移动，进而对第二固定装置导向。
在一些实施方式中，第二固定装置包括相连接的第二固定块和固定块套环，导向件与固定块套环连接。第二固定块便于与平路的边缘相抵，固定套环的设置便于第二固定装置与调节螺母相抵，进而实现第一固定装置和第二固定装置对屏幕边缘的锁紧。
在一些实施方式中，调节螺母设有柄部，锁杆的一端设有双向螺纹，所述双向螺纹与调节螺母配合连接。柄部使得调节螺母的扭矩加大，方便旋转，便于锁紧操作。双向螺纹设置可以在不增加螺距的情况下，加大调节螺母的行程。
本发明的有益效果为：本发明锁紧装置的锁杆穿过两LED屏的边缘或者穿过LED屏和支撑架的边缘，使两边缘位于第一固定装置和第二固定装置之间，之后旋紧调节螺母，实现LED屏的安装。本发明所提供的锁紧装置具有结构简单，操作方便简洁，结构稳定，提高工作效率，易于拼接屏幕的拼装和吊装。
附图说明
图1为本发明的实施例1锁紧装置的结构示意图；
图2为图1所示的锁紧装置的剖视图；
图3为图1所示锁紧装置的装配关系分解结构示意图；
图4为图1所示锁紧装置的第一固定装置除去封盖后的结构示意图；
图5为本发明实施例2的锁紧装置的第一固定装置的分解结构示意图；
图6为本发明实施例3的锁紧装置的第一固定装置的分解结构示意图；
图7为本发明实施例4的锁紧装置的结构示意图。
具体实施方式
下面结合说明书附图，对本发明进行进一步详细的说明。
实施例1
如图1和图2所示，本实施例的锁紧装置，包括第一固定装置1、第二固定装置2、锁杆3和调节螺母4，锁杆3一端与调节螺母4连接，第一固定装置1套设于锁杆3另一端，第二固定装置2设于第一部固定装置1与调节螺母4之间，第二固定装置2与锁杆3滑动配合。调节螺母4设有柄部41，调节螺母4与柄部41为一体式结构。第一固定装置1、第二固定装置2、锁杆3和调节螺母4均采用铁、刚、铝或合金类制成。
如图3所示，锁杆3的端部开有周向凹槽31，第一固定装置1卡入凹槽31。锁杆3的端部设有倒角，倒角的设置便于第一固定装置1套于锁杆3。锁杆3的一端设置双向螺纹，调节螺母4与双向螺纹相配合，双向螺纹设置可以在不增加螺距的情况下，加大旋钮行程，使调节螺母4在旋转角度较小时可以有较大的行程，便于操作。
第一固定装置1包括第一固定块11、弹性装置12和锁母片13，弹性装置12设于第一固定块11内部，锁母片13由第一固定块11支撑，弹性装置12与锁母片13相抵触，锁母片13卡入凹槽31。
如图4所示，锁母片13开有通孔131和限位槽孔132，通孔131的侧边缘卡入凹槽31。第一固定块11内设有限位柱111，限位柱111穿过限位槽孔132。锁母片13包括依次连接的握持部133、颈部134和锁紧部135，握持部133、颈部134和锁紧部135为一体式结构。通孔131设于锁紧部135，限位槽孔132设于颈部134。锁紧部135位于第一固定块11内部。
第一固定块11包括通过螺钉固定连接的壳体112和封盖113，限位柱111通过焊接或一体成型固定于壳体112的内侧面。壳体112内设置锁母片活动槽114，锁紧部135位于锁母片活动槽114内。壳体112内还设置用于放置 弹性装置12的弹性装置活动槽115。
弹性装置12为弹簧，弹簧一端通过焊接方式固定连接锁紧部135的端部，另一端也通过焊接方式固定连接于弹性装置活动槽115内壁。弹性装置12用于复位锁母片13。弹性装置12数量为两个，两个弹性装置12使得锁母片13的复位效果更好，不会造成偏差。
将第一固定装置1卡入凹槽31时，锁母片13的锁紧部135因为锁杆3端部的倒角挤压的力，使得锁紧部135在锁母片活动槽114内滑动，从而施加给弹性装置12压力，当锁母片13的通孔131达到锁杆3的凹槽31时，通过弹性装置12的回复力，使得通孔131的边缘卡入凹槽31内。
第二固定装置2包括导向件21、第二固定块22和固定块套环23，第二固定块套环23通过焊接或螺栓固定连接于第二固定块22。导向件21与固定块套环23连接。导向件21为波珠螺丝或机米螺丝，导向件21与固定块套环23螺纹连接。锁杆3侧面开设有卡槽32，导向件21穿过固定块套环23后伸入卡槽32，波珠螺丝底端的滚珠便于第二固定装置2在卡槽32中的滑动和定位。
工作时，将两块LED屏幕箱体拼合，将锁杆3穿过箱体边缘的安装孔，然后将第一固定装置1卡于凹槽31中，使箱体边沿位于第一固定装置1和第二固定装置2之间。将第二固定装置2滑动至与箱体边缘抵触，然后旋转调节螺母4，使调节螺母4顶部与固定块套环23相抵，实现对两箱体边缘的锁紧。由于锁杆3设置双向螺纹，使得调节螺母4旋转角度较小时具有较大的行程，优选的，调节螺母4自初始位置旋转100°-180°实现锁紧，以便于操作。本实施例的锁紧装置，结构简单，操作方便简洁，在实际使用中，能大大提高工作效率，且部件精度高，结构稳定，易于LED屏的拼装和吊装。
实施例2
如图5所示，与实施例1不同的是，本实施例的锁紧装置的弹性装置12为弹片。
实施例3
如图6所示，与实施例1不同的是，本实施例的锁紧装置的弹性装置12为弹性橡胶。
实施例4
如图7所示，与实施例1不同的是，本实施例的锁紧装置的第一固定装置1包括第一固定块11和定位件14，定位件14穿过第一固定块11，定位件14的一端卡入凹槽31。定位件14为玻珠螺丝或机米螺丝，定位件14与第一固定块11为螺纹连接，定位件14的一端卡入凹槽31，起到锁紧的作用。
以上所述仅是本发明的优选方式，应当指出，对于本领域普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出若干相似的变形和改进，这些也应视为本发明的保护范围之内。

Claims (10)

  1. 锁紧装置，其特征在于，包括第一固定装置(1)、第二固定装置(2)、锁杆(3)和调节螺母(4)，所述锁杆(3)一端与调节螺母(4)连接，所述第一固定装置(1)套设于锁杆(3)另一端，所述第二固定装置(2)设于第一部固定装置(1)与调节螺母(4)之间，所述第二固定装置(2)与锁杆(3)滑动配合。
  2. 根据权利要求1所述的锁紧装置，其特征在于，所述锁杆(3)的端部开有凹槽(31)，所述第一固定装置(1)卡入凹槽(31)。
  3. 根据权利要求2所述的锁紧装置，其特征在于，所述第一固定装置(1)包括第一固定块(11)、弹性装置(12)和锁母片(13)，所述弹性装置(12)设于第一固定块(11)内部，所述锁母片(13)由第一固定块(11)支撑，所述弹性装置(12)与锁母片(13)相抵触，所述锁母片(13)卡入凹槽(31)。
  4. 根据权利要求3所述的锁紧装置，其特征在于，所述锁母片(13)开有通孔(131)，所述通孔(131)的侧边缘卡入凹槽(31)。
  5. 根据权利要求4所述的锁紧装置，其特征在于，所述锁母片(13)设有限位槽孔(132)，所述第一固定块(11)内设有限位柱(111)，所述限位柱(111)穿过限位槽孔(132)。
  6. 根据权利要求5所述的锁紧装置，其特征在于，所述锁母片(13)包括依次连接的握持部(133)、颈部(134)和锁紧部(135)，所述通孔(131)设于锁紧部(135)，所述限位槽孔(132)设于颈部(134)。
  7. 根据权利要求2所述的锁紧装置，其特征在于，所述第一固定装置(1)包括第一固定块(11)和定位件(14)，所述定位件(14)穿过第一固定块(11)，所述定位件(14)的一端卡入凹槽(31)。
  8. 根据权利要求1所述的锁紧装置，其特征在于，所述第二固定装置(2)设有导向件(21)，所述锁杆(3)侧面设有卡槽(32)，所述导向件(21)的端部伸入卡槽(32)。
  9. 根据权利要求8所述的锁紧装置，其特征在于，所述第二固定装置(2)包括相连接的第二固定块(22)和固定块套环(23)，所述导向件(21)与固定块套环(23)连接。
  10. 根据权利要求1所述的锁紧装置，其特征在于，所述调节螺母(4)设有柄部(41)，所述锁杆(3)的一端设有双向螺纹，所述双向螺纹与调节螺母(4)配合连接。
PCT/CN2015/080853 2014-10-31 2015-06-05 锁紧装置 WO2016065901A1 (zh)

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CN104344172B (zh) * 2014-10-31 2016-08-24 深圳市雷凌显示技术有限公司 一种锁紧装置
CN106796768B (zh) * 2015-12-24 2019-06-07 深圳市雷凌显示技术有限公司 Led显示屏
CN107545851A (zh) * 2017-09-26 2018-01-05 深圳市雷凌显示技术有限公司 一种弹性锁座及拼接屏

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