CN107945668A - One kind lifting lock construction and LED display - Google Patents
One kind lifting lock construction and LED display Download PDFInfo
- Publication number
- CN107945668A CN107945668A CN201711204689.XA CN201711204689A CN107945668A CN 107945668 A CN107945668 A CN 107945668A CN 201711204689 A CN201711204689 A CN 201711204689A CN 107945668 A CN107945668 A CN 107945668A
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- handle
- lower connecting
- connecting block
- lock lever
- led unit
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- 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
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The present invention relates to one kind to lift lock construction, for splicing two LED unit babinets, including upper contiguous block, lower connecting block, handle, check lock lever and latch assembly, wherein：Upper contiguous block is arranged on LED unit babinet above, and lower connecting block is arranged on underlying LED unit babinet；The end of handle is rotatably connected with lower connecting block；The end of check lock lever and two outside portions of handle are rotatably connected；The locking slot of the crossbar sections of accommodating check lock lever is provided with the top of upper contiguous block；Latch assembly is used to locking or unlocking rotation between handle and lower connecting block and check lock lever and handle, so that the crossbar sections of check lock lever are caught in or deviate from the locking slot, so that by two LED unit box body splicings or fractionation.Lifting lock construction provided by the invention, simple in structure, processing and assembling are easy, and locking is firm, it is not easy to inconsistent phenomenon occurs, is conducive to the permanent use of LED display, the cost for reducing the frequency of maintenance and using.
Description
Technical field
The present invention relates to LED display technical field, more particularly to one kind to lift lock construction and apply the lifting lock construction
LED display.
Background technology
LED display is widely used in advertising exhibition because it shows directly perceived, convenient.Existing LED display uses case more
Body structure design, according to specification demands, is spliced into large-size screen monitors LED display, the splicing between LED unit babinet passes through by unit box
Lifting lock is realized.In the prior art mostly lifting lock construction there are structure is cumbersome, component is numerous, connection relation is complicated, processing with
The various problems such as difficulty are assembled, moreover, since the locking of erecting device is not firm, inconsistent phenomenon easily occurs, is unfavorable for
The permanent use of LED display, while increase the frequency of maintenance and the cost used.
Therefore, lifting lock construction a kind of not only simple in structure but also that locking is firm how is designed, is always current industry urgency
It need to solve the problems, such as.
The content of the invention
It is existing in the prior art to solve it is an object of the invention to provide one kind lifting lock construction and LED display
Complicated, the illusive technical problem of locking.
For this purpose, the present invention uses following technical scheme：
One kind lifting lock construction, for splicing two LED unit babinets, including upper contiguous block, lower connecting block, handle, lock
Tight bar and latch assembly, wherein：
The upper contiguous block is arranged on the LED unit babinet above, and the lower connecting block, which is arranged at, to be located at
On the LED unit babinet of lower section；
The both ends of the handle are rotatably connected with the lower connecting block；The check lock lever takes the shape of the letter U, the check lock lever
Both ends and two outside portions of the handle are rotatably connected；The horizontal stroke of the accommodating check lock lever is provided with the top of the upper contiguous block
The locking slot of bar part；
The latch assembly be used to locking or unlock the handle and the lower connecting block and the check lock lever with it is described
Rotation between handle, so that the crossbar sections of the check lock lever are caught in or deviate from the locking slot.
Preferably, the handle includes handle portion and connecting portion, the handle portion takes the shape of the letter U, and the connecting portion is connected to
The end in the handle portion, the connecting portion is L-shaped, including horizontal segment and vertical section, and the horizontal segment hangs down with the handle portion
Direct-connected to connect, the vertical section is rotatably connected with the lower connecting block.
Preferably, the lower connecting block side is provided with U-lag, parallel between two opposite cell walls of the U-lag
Every being fixed with the first fixing axle and the second fixing axle；
The latch assembly includes pedal, shaft and torsional spring, wherein, one end of the shaft can with first fixing axle
Rotation connection, the other end of the shaft are fixedly connected with the pedal；The torsional spring is set in second fixing axle, institute
The one end for stating torsional spring is abutted with the slot bottom of the U-lag, and the other end of the torsional spring is abutted with the shaft；In the effect of external force
Under, the upper end of the pedal is selectable to be pressed on the horizontal segment to lock or unlock the handle and the lower connecting block
And the rotation between the check lock lever and the handle.
Tight component is hung preferably, further including, it is described to hang tight component for hanging the tight upper contiguous block and the lower connection
Block.
Preferably, described hang fixing groove that tight component includes being arranged on the upper contiguous block, be arranged at the lower company
The mobile bar and drive component on block are connect, the driving component can drive the mobile bar to move up and be linked into the fixing groove to hang
The tight upper contiguous block and the lower connecting block, or the driving mobile bar move down and depart from the fixing groove to separate the upper company
Connect block and the lower connecting block.
Preferably, the driving component includes button, fixed plate, movable plate, the first spring and second spring, wherein：
The button is installed at the button installing hole of the lower connecting block leading flank, and the button installing hole with it is described
The hollow cavity of lower connecting block is connected；The fixed plate is fixed in the hollow cavity, and groove is provided with the fixed plate
Body, and first spring is provided with the groove body；Bar hole, described movable plate one end and institute are provided with the movable plate
State button to be fixedly connected, the movable plate other end is stretched into the groove body and is connected with first spring；Second bullet
Spring is fixed on the bottom of the hollow cavity and bar hole described in face；
The upper end of the mobile bar is located at the outside of the lower connecting block, and the lower end of the mobile bar passes through the bar hole
And be connected with the second spring, card slot is provided with the shaft of the mobile bar, presses the button, the card slot may be selected
The side wall for blocking the bar hole.
Preferably, the mobile bar is T-shaped.
Preferably, it is provided with nylon cushion in the locking slot.
A kind of LED display, including multiple LED unit babinets, multiple LED unit babinets are by any of the above item
The lifting lock construction links together.
Beneficial effects of the present invention：
The present invention provides a kind of lifting lock construction, for splicing two LED unit babinets, including upper contiguous block, lower connection
Block, handle, check lock lever and latch assembly, wherein：Upper contiguous block is arranged on LED unit babinet above, lower connecting block
It is arranged on underlying LED unit babinet；The end of handle is rotatably connected with lower connecting block；Check lock lever takes the shape of the letter U, locking
The end of bar and two outside portions of handle are rotatably connected；The lock of the crossbar sections of accommodating check lock lever is provided with the top of upper contiguous block
Tight groove；Latch assembly is used to locking or unlocking the rotation between handle and lower connecting block and check lock lever and handle, so that lock
The crossbar sections of tight bar are caught in or deviate from the locking slot, so that by two LED unit box body splicings or fractionation.The present invention provides
Lifting lock construction, simple in structure, processing and assembling are easy, and lock it is firm, it is not easy to inconsistent phenomenon occurs, is conducive to
The permanent use of LED display, the cost for reducing the frequency of maintenance and using.
Brief description of the drawings
Structure diagram when Fig. 1 is the latch assembly locking of lifting lock construction provided by the invention；
Structure diagram when Fig. 2 is the latch assembly unlock of lifting lock construction provided by the invention；
Fig. 3 is the structure diagram one of latch assembly provided by the invention；
Fig. 4 is the structure diagram two of latch assembly provided by the invention；
Fig. 5 is the structure diagram three of latch assembly provided by the invention；
Fig. 6 is the part-structure schematic diagram provided by the invention for hanging tight component；
Fig. 7 is the front view of Fig. 6；
Fig. 8 is sectional view along A-A in Fig. 7；
Fig. 9 is the front view provided by the invention hung when tight component does not hang tight；
Figure 10 is the B-B direction sectional view of Fig. 9；
Figure 11 is that the tight component of extension provided by the invention hangs next front view；
Figure 12 is the C-C of Figure 11 to sectional view.
In figure：
The upper contiguous blocks of 1-；2- lower connecting blocks；3- handles；4- check lock levers；
11- locking slots；
21-U shape grooves；The second fixing axles of 22-；
31- handles portion；32- horizontal segments；33- vertical sections；
51- pedals；52- shafts；53- torsional springs；
61- fixing grooves；62- mobile bars；621- card slots；63- buttons；64- fixed plates；65- movable plates；651- bar holes；
The first springs of 66-；67- second springs.
Embodiment
Below in conjunction with the accompanying drawings technical scheme is further illustrated with embodiment.It is understood that this place
The specific embodiment of description is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that in order to
It illustrate only part related to the present invention easy to describe, in attached drawing and not all.
As shown in Figures 1 to 5, the present invention provides a kind of lifting lock construction, for splicing two LED unit babinets, including
Upper contiguous block 1, lower connecting block 2, handle 3, check lock lever 4 and latch assembly, wherein：Upper contiguous block 1 is arranged above
On one LED unit babinet, lower connecting block 2 is arranged on underlying second LED unit babinet；Handle 3 and lower connecting block 2
In homonymy, end and the lower connecting block 2 of handle 3 are rotatably connected；Check lock lever 4 is located at homonymy with upper contiguous block 1, and check lock lever 4 is in U
Shape, the end of check lock lever 4 are rotatably connected with two outside portions of handle 3；The upper top of contiguous block 1 is provided with accommodating check lock lever 4
The locking slot 11 of crossbar sections, is provided with nylon cushion in locking slot 11；Latch assembly is used to locking or unlocking handle 3 and lower connection
Rotation between block 2 and check lock lever 4 and handle 3, so that the crossbar sections of check lock lever 4 are caught in or deviate from the locking slot
11, so that by two LED unit box body splicings or fractionation.
Specifically, handle 3 includes handle portion 31 and connecting portion, and handle portion 31 takes the shape of the letter U, and connecting portion is connected to handle portion 31
End, connecting portion is L-shaped, including horizontal segment 32 and vertical section 33, horizontal segment 32 and 31 vertical connection of handle portion, vertical section 33
It is rotatably connected with lower connecting block 2.2 side of lower connecting block is provided with U-lag 21, and the two of U-lag 21 are parallel with respect between cell walls
It is fixed at intervals the first fixing axle (not shown) and the second fixing axle 22.
Latch assembly includes pedal 51, shaft 52 and torsional spring 53, wherein, one end of shaft 52 and the first fixing axle are rotatable
Connection, the other end of shaft 52 are fixedly connected with pedal 51；Torsional spring 53 is set in the second fixing axle 22, one end of torsional spring 53 with
The slot bottom of U-lag 21 abuts, and the other end of torsional spring 53 is abutted with shaft 52.Under the effect of external force, the upper end of pedal 51 is optional
That selects is pressed on horizontal segment 32, and when the upper end of pedal 51 is pressed on horizontal segment 32, handle 3 is locked, handle 3 and lower company
Connecing cannot rotate between block 2 and check lock lever 4 and handle 3；When the upper end of pedal 51 departs from horizontal segment 32, handle 3 is unlocked,
It can be rotated between handle 3 and lower connecting block 2 and check lock lever 4 and handle 3.
Further, as shown in Fig. 6 to Figure 12, lifting lock construction provided by the invention, which further includes, hangs tight component, hangs tight group
Part is used to hang tightly upper contiguous block 1 and lower connecting block 2.Specifically, the fixing groove that tight component includes being arranged on contiguous block 1 is hung
61st, the mobile bar 62 and drive component for the T-shaped being arranged on lower connecting block 2, drive component can drive mobile bar 62 to move up extension
Enter fixing groove 61 to hang tightly upper contiguous block 1 and lower connecting block 2, or driving mobile bar 62 moves down and departs from fixing groove 61 to connect in separation
Connect block 1 and lower connecting block 2.More specifically, drive component includes button 63, fixed plate 64, movable plate 65, the first spring 66 and the
Two springs 67, wherein, button 63 is installed at the button installing hole of 2 leading flank of lower connecting block, and button installing hole and lower connection
The hollow cavity of block 2 is connected；Fixed plate 64 is fixed in hollow cavity, groove body is provided with fixed plate 64, and set in groove body
It is equipped with the first spring 66；Bar hole 651 is provided with movable plate 65, one end of movable plate 65 is fixedly connected with button 63, mobile
The other end of plate 65 is stretched into groove body and is connected with the first spring 66；Second spring 67 is fixed on the bottom of hollow cavity and face
Bar hole 651.The upper end of mobile bar 62 is located at the outside of lower connecting block 2, and the lower end of mobile bar 62 is through bar hole 651 and with the
Two springs 67 connect, and card slot 621 is provided with the shaft of mobile bar 62, by button press 63, card slot 621 can may be selected
The side wall for blocking bar hole 651.In original state, card slot 621 is stuck on the side wall of bar hole 651 mobile bar 62, when need
When hanging tightly upper contiguous block 1 and lower connecting block 2, button press 63, button 63 promotes movable plate 65 to move, the compression of movable plate 65 the
One spring 66, movable plate 65 moves so that the side wall of bar hole 651 departs from card slot 621, and mobile bar 62 is in second spring 67
Moved up under effect, so as to the upper end of mobile bar 62 is linked into fixing groove 61 to hang tightly upper contiguous block 1 and lower connection
Block 2.
The operation principle of lifting lock construction provided by the invention is as follows：
When needing to splice two LED unit babinets, first, knob 63 is pressed, the mobile bar 62 of T-shaped departs from movable plate 65
Limitation move up, then the upper end of mobile bar 62 is linked into the fixing groove 61 of upper contiguous block 1；Then, to close to upper connection
The direction rotation lock bar 4 of block 1, makes the crossbar sections face locking slot 11 of check lock lever 4；Then, handle 3, handle 3 are rotated down
Drive check lock lever 4 to move down, the crossbar sections of check lock lever 4 is caught in locking slot 11；Finally, pedal 51 is pressed, makes pedal 51
Upper end is pressed on the horizontal segment 32 of handle 3, so as to lock between handle 3 and lower connecting block 2 and check lock lever 4 and handle 3
Rotate, so that two LED unit babinets be spliced；
When needing to split two LED unit babinets, first, pedal 51 is pressed, the upper end of pedal 51 is departed from horizontal segment
32, so as to unlock the rotation between handle 3 and lower connecting block 2 and check lock lever 4 and handle 3；Then, handle 3 is rotated up, is carried
Hand 3 drives check lock lever 4 to move up, and the crossbar sections of check lock lever 4 is departed from locking slot 11, and turn to the direction away from upper contiguous block 1
Dynamic check lock lever 4；Then, LED unit babinet of the translation with upper contiguous block 1, makes fixing groove 61 depart from mobile bar 62, so that will
Two LED unit babinets are split；Finally, knob 63 is pinned, while pushes down on mobile bar 62, when the card slot of mobile bar 62
During the side wall of 621 face bar holes 651, release button 63, the side wall of bar hole 651 blocks card slot 621, so as to fix movement
Bar 62.
The present invention also provides a kind of LED display, including multiple LED unit babinets, multiple LED unit babinets are by above-mentioned
Lifting lock construction links together, and upper contiguous block 1 is arranged on the first LED unit babinet above, and lower connecting block 2 is set
Hold in first that accommodating part check lock lever 4 on underlying second LED unit babinet, is provided with the first LED unit babinet
Groove is put, the second storage tank of accommodating part check lock lever 4 is provided with the second LED unit babinet, the first storage tank and second house
The setting of groove makes lifting lock construction be perfectly mused together with LED unit babinet, makes the appearance of LED display more beautiful
See.
Obviously, the above embodiment of the present invention is just for the sake of clear explanation example of the present invention, and it is pair to be not
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (9)
1. one kind lifting lock construction, for splicing two LED unit babinets, it is characterised in that including upper contiguous block (1), lower company
Block (2), handle (3), check lock lever (4) and latch assembly are connect, wherein：
The upper contiguous block (1) is arranged on the LED unit babinet above, and the lower connecting block (2) is arranged at position
In on the LED unit babinet of lower section；
The both ends of the handle (3) are rotatably connected with the lower connecting block (2)；The check lock lever (4) takes the shape of the letter U, the lock
The both ends and two outside portions of the handle (3) of tight bar (4) are rotatably connected；Appearance is provided with the top of the upper contiguous block (1)
Put the locking slot (11) of the crossbar sections of the check lock lever (4)；
The latch assembly be used to locking or unlock the handle (3) and the lower connecting block (2) and the check lock lever (4) with
Rotation between the handle (3), so that the crossbar sections of the check lock lever (4) are caught in or deviate from the locking slot (11).
2. lifting lock construction according to claim 1, it is characterised in that the handle (3) includes handle portion (31) and connects
Socket part, the handle portion (31) take the shape of the letter U, and the connecting portion is connected to the end of the handle portion (31), and the connecting portion is in L
Shape, including horizontal segment (32) and vertical section (33), the horizontal segment (32) and handle portion (31) vertical connection, it is described vertical
Section (33) is rotatably connected with the lower connecting block (2).
3. lifting lock construction according to claim 2, it is characterised in that lower connecting block (2) side is provided with U-lag
(21), parallel interval is fixed with the first fixing axle and the second fixing axle (22) between the two of the U-lag (21) opposite cell walls；
The latch assembly includes pedal (51), shaft (52) and torsional spring (53), wherein, one end of the shaft (52) with it is described
First fixing axle is rotatably connected, and the other end of the shaft (52) is fixedly connected with the pedal (51)；The torsional spring (53)
It is set on second fixing axle (22), one end of the torsional spring (53) is abutted with the slot bottom of the U-lag (21), the torsion
The other end of spring (53) is abutted with the shaft (52)；Under the effect of external force, the upper end of the pedal (51) is selectable supports
It is pressed on the horizontal segment (32) to lock or unlock the handle (3) and the lower connecting block (2) and the check lock lever (4)
With the rotation between the handle (3).
4. lifting lock construction according to claim 1, it is characterised in that further include and hang tight component, it is described to hang tight component use
In the tight upper contiguous block (1) of extension and the lower connecting block (2).
5. lifting lock construction according to claim 4, it is characterised in that described to hang tight component including being arranged at the upper company
Connect the fixing groove (61) on block (1), the mobile bar (62) being arranged on the lower connecting block (2) and drive component, the driving
Component can drive the mobile bar (62) move up be linked into the fixing groove (61) with hang the tight upper contiguous block (1) and it is described under
Contiguous block (2), or the driving mobile bar (62) move down and depart from the fixing groove (61) to separate the upper contiguous block (1) and institute
State lower connecting block (2).
6. lifting lock construction according to claim 5, it is characterised in that the driving component includes button (63), fixes
Plate (64), movable plate (65), the first spring (66) and second spring (67), wherein：
The button (63) is installed at the button installing hole of the lower connecting block (2) leading flank, and the button installing hole with
The hollow cavity of the lower connecting block (2) is connected；The fixed plate (64) is fixed in the hollow cavity, the fixed plate
(64) groove body is provided with, and first spring (66) is provided with the groove body；Bar is provided with the movable plate (65)
Shape hole (651), one end of the movable plate (65) are fixedly connected with the button (63), and the other end of the movable plate (65) is stretched
Enter in the groove body and be connected with first spring (66)；The second spring (67) is fixed on the bottom of the hollow cavity
And bar hole described in face (651)；
The upper end of the mobile bar (62) is located at the outside of the lower connecting block (2), and the lower end of the mobile bar (62) passes through institute
State bar hole (651) and be connected with the second spring (67), card slot (621) is provided with the shaft of the mobile bar (62),
Press the button (63), the selectable side wall for blocking the bar hole (651) of card slot (621).
7. lifting lock construction according to claim 5, it is characterised in that the mobile bar (62) is T-shaped.
8. lifting lock construction according to claim 1, it is characterised in that be provided with nylon cushion in the locking slot (11).
A kind of 9. LED display, it is characterised in that including multiple LED unit babinets, multiple LED unit babinets by
Claim 1-8 any one of them lifting lock construction links together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711204689.XA CN107945668B (en) | 2017-11-27 | 2017-11-27 | Hoist and mount keying constructs and L ED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711204689.XA CN107945668B (en) | 2017-11-27 | 2017-11-27 | Hoist and mount keying constructs and L ED display screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107945668A true CN107945668A (en) | 2018-04-20 |
| CN107945668B CN107945668B (en) | 2020-07-10 |
Family
ID=61949996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711204689.XA Active CN107945668B (en) | 2017-11-27 | 2017-11-27 | Hoist and mount keying constructs and L ED display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107945668B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109218866A (en) * | 2018-11-06 | 2019-01-15 | 谢玲俊 | A kind of multi-functional audio |
| CN113903272A (en) * | 2021-09-29 | 2022-01-07 | 深圳利亚德光电有限公司 | LED display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337860A (en) * | 2016-10-19 | 2017-01-18 | 深圳市联建光电股份有限公司 | Angle-adjustable hasp lock and LED display screen |
| CN106438604A (en) * | 2016-12-21 | 2017-02-22 | 深圳视爵光旭电子有限公司 | Hasp lock |
| CN206468625U (en) * | 2017-02-23 | 2017-09-05 | 深圳市光祥科技股份有限公司 | A kind of multiple-unit box body splicing lifting lock and LED display |
| CN107288969A (en) * | 2017-08-01 | 2017-10-24 | 深圳洛可可工业设计有限公司 | A kind of implicit connection lock and splicing LED screen |
-
2017
- 2017-11-27 CN CN201711204689.XA patent/CN107945668B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337860A (en) * | 2016-10-19 | 2017-01-18 | 深圳市联建光电股份有限公司 | Angle-adjustable hasp lock and LED display screen |
| CN106438604A (en) * | 2016-12-21 | 2017-02-22 | 深圳视爵光旭电子有限公司 | Hasp lock |
| CN206468625U (en) * | 2017-02-23 | 2017-09-05 | 深圳市光祥科技股份有限公司 | A kind of multiple-unit box body splicing lifting lock and LED display |
| CN107288969A (en) * | 2017-08-01 | 2017-10-24 | 深圳洛可可工业设计有限公司 | A kind of implicit connection lock and splicing LED screen |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109218866A (en) * | 2018-11-06 | 2019-01-15 | 谢玲俊 | A kind of multi-functional audio |
| CN109218866B (en) * | 2018-11-06 | 2019-12-20 | 抚州华冠电子科技有限公司 | Multifunctional sound box |
| CN113903272A (en) * | 2021-09-29 | 2022-01-07 | 深圳利亚德光电有限公司 | LED display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107945668B (en) | 2020-07-10 |
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