CN102606567A - Connecting device, LED (light emitting diode) display unit and LED display system - Google Patents
Connecting device, LED (light emitting diode) display unit and LED display system Download PDFInfo
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- CN102606567A CN102606567A CN2012100717104A CN201210071710A CN102606567A CN 102606567 A CN102606567 A CN 102606567A CN 2012100717104 A CN2012100717104 A CN 2012100717104A CN 201210071710 A CN201210071710 A CN 201210071710A CN 102606567 A CN102606567 A CN 102606567A
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- connection set
- driving handle
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Abstract
The invention discloses a connecting device, an LED (light emitting diode) display unit and an LED display system, wherein the connecting device comprises a first connecting piece, a sliding positioning piece, a second connecting piece, a sway arm and a driving handle, wherein the first connecting piece comprises a first substrate provided with a first guide groove arranged through along the first direction and a first connecting through hole; the second connecting piece comprises a second substrate provided with a second guide groove arranged along the first direction and a positioning hole; the sway arm is movably arranged in the second guide groove, one end of the sway arm is provided with a second clamping part matched with a first clamping part, the second clamping part is provided with a locking position allowing a positioning pin to be inserted into a positioning hole and an unlock position allowing the positioning pin to be separated from the positioning hole; the driving handle is pivotally installed in the second substrate along a pivot axis perpendicular to the first direction, the second end of the sway arm is hinged to the hinge point on the driving handle; and the hinge point is deviated from the pivot axis of the driving handle. The connecting device provided by the invention has the characteristics of simplicity in structure and convenience in use; furthermore, the dismounting efficiency is improved effectively.
Description
Technical field
The present invention relates to the mounting technology field, in particular to a kind of connection set, led display unit and LED display system.
Background technique
Connect between the casing in the existing technology, between the flat board Placement have multiple, to the at present compound modes that adopt of the connection between the LED screen body structure more, as: the multiple mode of blinds latch, rotation zip, hasp or the like realizes.The display applications scope is more and more wider at present, and media releasing meeting, advertisement, performance, meeting or the like all need LED display that reliable display effect is provided.
The installation of LED display at present needs many people to coordinate to accomplish, and the screen body back support framves that adopt are fixed through bolt and being connected of display screen box body with connecting sheet more.No matter screen body back support frame adopts aluminium section bar still is that structures such as square steel, pipe all need suitable place and sufficient time locking splicing, even the welding fixed structure.Fixed structure is heavy, is not easy turnover and dismounting fast, and screen embodies the field needs more manpower to cooperate, and causes the waste of resources such as human cost, financial cost, environmental protection.
Summary of the invention
The present invention aims to provide a kind of connection set, led display unit and LED display system of simple in structure, easy accessibility.
To achieve these goals, according to an aspect of the present invention, a kind of connection set is provided, comprising: first link comprises: first pedestal has first guiding groove and first connecting through hole that connect setting along first direction; The slip locating piece has first inserted part that is slidably disposed in first guiding groove and the locating stud that is located in first connecting through hole; Second link comprises: second pedestal has second guiding groove and the positioning hole that are provided with along first direction; Swing arm is arranged in second guiding groove movably, and first end of swing arm has second inserted part that cooperates with first inserted part, and second inserted part has makes locating stud be inserted into the locked position and the unlocked position that makes locating stud disengaging positioning hole of positioning hole; Driving handle is pivotably mounted in second pedestal along the pivot axis perpendicular to first direction, and second end of swing arm is articulated in the articulating point on the driving handle, and articulating point departs from the pivot axis of driving handle.
Further, the both sides of driving handle are fixedly connected with eccentric wheel respectively, and pivot axis is eccentric axis, and eccentric wheel is provided with eccentric opening; Second pedestal is provided with spacing eccentric first restraining groove, and articulating point is first bearing pin that is arranged on the eccentric eccentric opening.
Further, first inserted part is the connecting plate with bayonet socket, and second inserted part is the card post with bayonet fittings.
Further, first inserted part is fork configuration, comprises two first connecting plates that are oppositely arranged and is connected second connecting plate between two first connecting plates, and bayonet socket is arranged on first connecting plate, and locating stud is installed on second connecting plate.
Further, first pedestal comprises two the first side walls that are oppositely arranged and is connected first diapire between two the first side walls; First connecting plate is provided with the chute that extends along first direction; First link also comprises second bearing pin that is located in the first side wall and cooperates with chute.
Further; First link also comprises: jam plate; Be arranged in first pedestal; Jam plate is provided with first lock part away from the side of first pedestal, and jam plate is hinged through the 3rd bearing pin and first pedestal that are arranged on first pedestal, also is arranged with respectively the torsion spring of replacing with the jam plate and first base bottom wall on the 3rd bearing pin; The driving handle of second link is provided with second lock part that cooperates with first lock part.
Further, first guiding groove is a step trough, on the step surface of step trough, is formed with second restraining groove that cooperates with the card post.
Further, second end of driving handle is towards the side perk away from swing arm.
According to a further aspect in the invention; A kind of led display unit is provided; Comprise and connect housing and be arranged on a plurality of connection sets that are connected on the housing; Connection set is above-mentioned connection set, and each of a plurality of connection sets first link is arranged on the first side Yan Chu that connects housing, and each of a plurality of connection sets second link is arranged on the second side Yan Chu relative with the first side that connects housing.
According to a further aspect in the invention, a kind of LED display system is provided, has comprised a plurality of interconnective led display units, led display unit is above-mentioned led display unit, and two adjacent led display units are connected through connection set.
In technological scheme of the present invention, connection set comprises: first link and second link that cooperates with first link.Wherein, first link comprises: first pedestal and slip locating piece, first pedestal have first guiding groove and first connecting through hole that connects setting along first direction; The slip locating piece has first inserted part that is slidably disposed in first guiding groove and the locating stud that is located in first connecting through hole.Second link comprises: second pedestal, swing arm and driving handle, second pedestal have second guiding groove and the positioning hole that is provided with along first direction; Swing arm is arranged in second guiding groove movably, and first end of swing arm has second inserted part that cooperates with first inserted part, and second inserted part has makes locating stud be inserted into the locked position and the unlocked position that makes locating stud disengaging positioning hole of positioning hole; Driving handle is pivotably mounted in second pedestal along the pivot axis perpendicular to first direction, and second end of swing arm is articulated in the articulating point on the driving handle, and articulating point departs from the pivot axis of driving handle.
Connection set of the present invention in use; First link and second link are installed in respectively on two adjacent parts; Such as casing, flat board, and then utilize the connection between first link and second link and then two adjacent parts are closely connected.Connection procedure between first link and second link is specific as follows:
Need earlier (perhaps) thick alignment about second pedestal of first pedestal of first link and second link; The rotation swing arm makes its second inserted part cooperate with first inserted part overlap joint of slip locating piece; The operation driving handle is towards the first link pivot movement; And then drive the swing arm hinged and affect the locating stud on the slip locating piece to get in the positioning hole of second pedestal, thereby realize being strained and fixed each other when first pedestal and second pedestal are located with it.
Description of drawings
The Figure of description that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 shows the perspective view according to the embodiment of connection set of the present invention;
Fig. 2 shows the schematic top plan view of first link among Fig. 1;
Fig. 3 shows the decomposition texture schematic representation of first link among Fig. 1;
Fig. 4 shows among Fig. 1 the structural representation of jam plate in first link;
Fig. 5 shows the perspective view of another angle of second link among Fig. 1;
Fig. 6 shows the schematic side view of second link among Fig. 1;
Fig. 7 shows the decomposition texture schematic representation of second link among Fig. 1;
Fig. 8 shows the schematic perspective view of the connection set of Fig. 1 at locking state;
Fig. 9 shows the generalized section of the connection set of Fig. 8 at locking state;
Figure 10 shows the perspective view according to the embodiment of led display unit of the present invention; And
Figure 11 shows the perspective view according to the embodiment of LED display system of the present invention.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the present invention.
Like Fig. 1 and shown in Figure 5, comprise according to the embodiment of connection set of the present invention: first link 10 and second link 20 that cooperates with first link 10.First link 10 comprises: first pedestal 11 and slip locating piece, and first pedestal 11 has first guiding groove 111 and first connecting through hole that connects setting along first direction; The slip locating piece has first inserted part 121 and the locating stud 122 that is located in first connecting through hole that is slidably disposed in first guiding groove 111; Second link 20 comprises: second pedestal 21, swing arm 22 and driving handle 23, the second pedestals 21 have second guiding groove 212 and positioning hole 211 that is provided with along first direction; Swing arm 22 is arranged in second guiding groove 212 movably; First end of swing arm 22 has 221, the second inserted parts 221, second inserted part that cooperate with first inserted part 121 and has the unlocked position that makes locating stud 122 be inserted into the locked position of positioning hole 211 and make locating stud 122 disengaging positioning holes 211; Driving handle 23 is pivotably mounted in second pedestal 21 along the pivot axis perpendicular to first direction, and second end of swing arm 22 is articulated in the articulating point on the driving handle 23, and articulating point departs from the pivot axis of driving handle 23.
The connection set of present embodiment in use; First link 10 and second link 20 are installed in respectively on two adjacent parts; Such as casing, flat board, and then utilize the connection between first link 10 and second link 20 and then two adjacent parts are closely connected.Connection procedure between first link 10 and second link 20 is specific as follows:
Need elder generation's second pedestal (perhaps) thick alignment about in the of 21 with first pedestal 11 and second link 20 of first link 10; Rotation swing arm 22 makes its second inserted part 221 cooperate with first inserted part, 121 overlap joints of slip locating piece; Operation driving handle 23 is towards first link, 10 pivot movements; And then drive the swing arm 22 hinged and affect locating stud 122 on the slip locating piece to get in the positioning hole 211 of second pedestal 21 (as shown in Figure 9), thereby realize being strained and fixed each other when first pedestal 10 and second pedestal 20 are located with it.First link 10 after the locking and structure such as Fig. 8 and shown in Figure 9 of second link 20.
The connection set of present embodiment can connect two individual components that separate faster, more reliably, at concrete engineering site, more efficiently and not needs during the present embodiment connected element to operate realization by other instrument.The connection set of present embodiment is applicable to the installation and removal of LED display unit, but is not limited to be used in the LED display industry, and other casing was suitable for dull and stereotyped the connection too.
Adopt metallic material such as steel, aluminium, iron, perhaps adopt engineering plastics all to can be used as the basic material of parts of the connection set of present embodiment.According to the weight and the required pulling force size of institute's connected element, select different materials according to different working conditions, but Placement is identical haveing nothing to do with Material Selection with mode of operation.
Like Fig. 1 to Fig. 3 and shown in Figure 7; First inserted part 121 and second structure of inserted part 221 for cooperatively interacting can have numerous embodiments, such as the buckle trip; Perhaps preferably; First inserted part 121 is for having the connecting plate of bayonet socket 121a, and this bayonet socket 121a is preferably U-shaped, and second inserted part 221 is the card post that cooperates with bayonet socket 121a.
A kind of preferred embodiment in, as shown in Figure 7, the both sides of driving handle 23 are fixedly connected with eccentric wheel 231 respectively, pivot axis is the axis of eccentric wheel 231, eccentric wheel 231 is provided with eccentric opening 231a; Second pedestal 21 is provided with first restraining groove 213 of spacing eccentric wheel 231, and articulating point is first bearing pin 24 that is arranged on the eccentric opening 231a of eccentric wheel 231.
As shown in Figure 3; First inserted part 121 is fork configuration; Comprise two first connecting plate 121b that are oppositely arranged and be connected the second connecting plate 121c between two the first connecting plate 121b, bayonet socket 121a is arranged on the first connecting plate 121b, and locating stud 122 is installed on the second connecting plate 121c.Locating stud 122 can be fixedly connected with the second connecting plate 121c through screw.
Preferably; First link 10 also comprises the jam plate 14 that is used for locking driving handle 23, and this jam plate 14 is arranged in first pedestal 11, like Fig. 4 and shown in Figure 9; Jam plate 14 is provided with the first lock part 14a away from the side of first pedestal 11; The first lock part 14a is preferably block hook structure in the present embodiment, and jam plate 14 is hinged through the 3rd bearing pin 15 and first pedestal 11 that are arranged on first pedestal 11, also is arranged with respectively the torsion spring of replacing with jam plate 14 and first pedestal, 11 diapires 16 on the 3rd bearing pin 15; Like Fig. 6 and shown in Figure 9, the driving handle 23 of second link 20 is provided with second lock part 232 that cooperates with the first lock part 14a.Block second lock part 232 on the driving handle 23 with the locking of completion driving handle 23 at first link 10 and the first lock part 14a that can utilize jam plate 14 after second link 20 closely is connected.
Preferably, as shown in Figure 3, first guiding groove 111 is a step trough, on the step surface of step trough, is formed with the second restraining groove 111a that cooperates with the card post.
Preferably, for the ease of operator's operation, second end of driving handle 23 is towards the side perk away from swing arm 22.
Shown in figure 10; The present invention also provides a kind of led display unit; Embodiment according to led display unit of the present invention comprises connection housing 100 and is arranged on a plurality of connection sets that are connected on the housing 100; Connection set is above-mentioned connection set, and each of a plurality of connection sets first link 10 is arranged on the first side Yan Chu that connects housing 100, and each of a plurality of connection sets second link 20 is arranged on the second side Yan Chu relative with the first side that connects housing 100.
Shown in figure 11; The present invention also provides a kind of LED display system; Embodiment according to LED display system of the present invention comprises a plurality of interconnective led display units, and led display unit is above-mentioned led display unit, and two adjacent led display units are connected through above-mentioned connection set.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a connection set is characterized in that, comprising:
First link (10) comprising:
First pedestal (11) has first guiding groove (111) and first connecting through hole that connect setting along first direction;
The slip locating piece has first inserted part (121) locating stud (122) interior with being located in said first connecting through hole that is slidably disposed in said first guiding groove (111);
Second link (20) comprising:
Second pedestal (21) has second guiding groove (212) and the positioning hole (211) that are provided with along first direction;
Swing arm (22); Be arranged on movably in said second guiding groove (212); First end of said swing arm (22) has second inserted part (221) that cooperates with said first inserted part (121), and said second inserted part (221) has makes said locating stud (122) be inserted into the locked position and the unlocked position that makes said locating stud (122) disengaging positioning hole (211) of said positioning hole (211);
Driving handle (23); Pivot axis along perpendicular to said first direction is pivotably mounted in said second pedestal (21); Second end of said swing arm (22) is articulated in the articulating point on the said driving handle (23), and said articulating point departs from the pivot axis of said driving handle (23).
2. connection set according to claim 1 is characterized in that,
The both sides of said driving handle (23) are fixedly connected with eccentric wheel (231) respectively, and said pivot axis is the axis of said eccentric wheel (231), and said eccentric wheel (231) is provided with eccentric opening (231a);
Said second pedestal (21) is provided with first restraining groove (213) of spacing said eccentric wheel (231), and said articulating point is first bearing pin (24) on the eccentric opening (231a) that is arranged on said eccentric wheel (231).
3. connection set according to claim 1 and 2 is characterized in that, said first inserted part (121) is for having the connecting plate of bayonet socket (121a), and said second inserted part (221) is the card post that cooperates with said bayonet socket (121a).
4. connection set according to claim 3; It is characterized in that; Said first inserted part (121) is fork configuration; Comprise two first connecting plates (121b) that are oppositely arranged and be connected second connecting plate (121c) between two said first connecting plates (121b), said bayonet socket (121a) is arranged on said first connecting plate (121b), and said locating stud (122) is installed on said second connecting plate (121c).
5. connection set according to claim 4 is characterized in that,
Said first pedestal (11) comprises two the first side walls that are oppositely arranged and is connected first diapire between two said the first side walls;
Said first connecting plate (121b) is provided with the chute (121d) that extends along said first direction;
Said first link (10) also comprises second bearing pin (13) that is located in the said the first side wall and cooperates with said chute (121d).
6. connection set according to claim 5 is characterized in that,
Said first link (10) also comprises: jam plate (14); Be arranged in said first pedestal (11); Said jam plate (14) is provided with first lock part (14a) away from the side of said first pedestal (11); Said jam plate (14) is hinged through the 3rd bearing pin (15) and said first pedestal (11) that are arranged on first pedestal (11), also is arranged with respectively the torsion spring of replacing with said jam plate (14) and said first pedestal (11) diapire (16) on said the 3rd bearing pin (15);
The driving handle (23) of said second link (20) is provided with second lock part (232) that cooperates with said first lock part (14a).
7. connection set according to claim 3 is characterized in that, said first guiding groove (111) is a step trough, on the step surface of said step trough, is formed with second restraining groove (111a) that cooperates with said card post.
8. connection set according to claim 1 is characterized in that, second end of said driving handle (23) is towards the side perk away from said swing arm (22).
9. led display unit; Comprise and connect housing (100) and be arranged on the said a plurality of connection sets that are connected on the housing (100); It is characterized in that; Said connection set is each described connection set in the claim 1 to 8; Each of said a plurality of connection sets first link (10) is arranged on the first side Yan Chu of said connection housing (100), and each of said a plurality of connection sets second link (20) is arranged on the second side Yan Chu relative with said first side of said connection housing (100).
10. a LED display system comprises a plurality of interconnective led display units, it is characterized in that, said led display unit is the led display unit described in the claim 9, and two adjacent said led display units are connected through said connection set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210071710 CN102606567B (en) | 2012-03-16 | 2012-03-16 | Connecting device, LED (light emitting diode) display unit and LED display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210071710 CN102606567B (en) | 2012-03-16 | 2012-03-16 | Connecting device, LED (light emitting diode) display unit and LED display system |
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| Publication Number | Publication Date |
|---|---|
| CN102606567A true CN102606567A (en) | 2012-07-25 |
| CN102606567B CN102606567B (en) | 2013-08-14 |
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| CN 201210071710 Active CN102606567B (en) | 2012-03-16 | 2012-03-16 | Connecting device, LED (light emitting diode) display unit and LED display system |
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Cited By (17)
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|---|---|---|---|---|
| CN102760392A (en) * | 2012-08-08 | 2012-10-31 | 深圳市雷迪奥光电技术有限公司 | Light-emitting diode (LED) display screen |
| CN102821573A (en) * | 2012-08-29 | 2012-12-12 | 深圳市通普科技有限公司 | Hasp device |
| CN102831840A (en) * | 2012-09-13 | 2012-12-19 | 广州市浩洋电子有限公司 | Fast connection mechanism for light emitting diode (LED) display screen |
| CN102913517A (en) * | 2012-11-01 | 2013-02-06 | 慧明光电(深圳)有限公司 | Coaxial automatic lock capable of being tightened |
| CN102979789A (en) * | 2012-11-16 | 2013-03-20 | 桂林海威科技有限公司 | Self-lock connecting buckling part |
| CN103021284A (en) * | 2012-12-03 | 2013-04-03 | 深圳市立翔慧科光电科技有限公司 | Latching mechanism for LED (Light Emitting Diode) combination screen, LED unit screen and LED combination screen |
| CN103255967A (en) * | 2013-04-26 | 2013-08-21 | 湖北爱商光电股份有限公司 | Splicing lock catch |
| CN103438061A (en) * | 2013-09-06 | 2013-12-11 | 利亚德光电股份有限公司 | Connecting device and LED (Light Emitting Diode) display unit with same |
| CN103982755A (en) * | 2014-05-27 | 2014-08-13 | 利亚德光电股份有限公司 | Distance adjusting device and LED (Light Emitting Diode) display device thereof |
| CN104175116A (en) * | 2014-08-12 | 2014-12-03 | 深圳市奥拓电子股份有限公司 | LED display system, gap adjusting device for fixing and assembling screen bodies and adjusting method |
| CN105161016A (en) * | 2015-09-15 | 2015-12-16 | 深圳市彩易达光电有限公司 | Quick locking mechanism of LED combined screen |
| WO2016172927A1 (en) * | 2015-04-30 | 2016-11-03 | 浙江晶日照明科技有限公司 | Shaft connecting structure |
| CN106659005A (en) * | 2016-11-09 | 2017-05-10 | 惠州雷曼光电科技有限公司 | Box body, LED display screen and LED splicing screen |
| CN108193869A (en) * | 2018-01-10 | 2018-06-22 | 梅苏鸿 | A kind of lock |
| CN108317139A (en) * | 2018-03-28 | 2018-07-24 | 深圳市德彩光电有限公司 | LED box attachment device and LED display |
| CN108711700A (en) * | 2017-04-11 | 2018-10-26 | 邵海艳 | A kind of attachment device and LED display |
| CN110619824A (en) * | 2019-10-25 | 2019-12-27 | 惠州市德赛智能科技有限公司 | Quick splicing structure of LED display screen module |
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| CN102760392A (en) * | 2012-08-08 | 2012-10-31 | 深圳市雷迪奥光电技术有限公司 | Light-emitting diode (LED) display screen |
| CN102821573A (en) * | 2012-08-29 | 2012-12-12 | 深圳市通普科技有限公司 | Hasp device |
| CN102821573B (en) * | 2012-08-29 | 2015-06-24 | 深圳市通普科技有限公司 | Hasp device |
| CN102831840A (en) * | 2012-09-13 | 2012-12-19 | 广州市浩洋电子有限公司 | Fast connection mechanism for light emitting diode (LED) display screen |
| CN102831840B (en) * | 2012-09-13 | 2015-06-10 | 广州市浩洋电子有限公司 | Fast connection mechanism for light emitting diode (LED) display screen |
| CN102913517A (en) * | 2012-11-01 | 2013-02-06 | 慧明光电(深圳)有限公司 | Coaxial automatic lock capable of being tightened |
| CN102913517B (en) * | 2012-11-01 | 2014-07-30 | 慧明光电(深圳)有限公司 | Coaxial automatic lock capable of being tightened |
| CN102979789B (en) * | 2012-11-16 | 2015-05-06 | 桂林海威科技有限公司 | Self-lock connecting buckling part |
| CN102979789A (en) * | 2012-11-16 | 2013-03-20 | 桂林海威科技有限公司 | Self-lock connecting buckling part |
| CN103021284A (en) * | 2012-12-03 | 2013-04-03 | 深圳市立翔慧科光电科技有限公司 | Latching mechanism for LED (Light Emitting Diode) combination screen, LED unit screen and LED combination screen |
| CN103255967A (en) * | 2013-04-26 | 2013-08-21 | 湖北爱商光电股份有限公司 | Splicing lock catch |
| CN103438061A (en) * | 2013-09-06 | 2013-12-11 | 利亚德光电股份有限公司 | Connecting device and LED (Light Emitting Diode) display unit with same |
| CN103438061B (en) * | 2013-09-06 | 2016-04-06 | 利亚德光电股份有限公司 | Connection set and there is its LED display unit |
| CN103982755B (en) * | 2014-05-27 | 2016-12-07 | 利亚德光电股份有限公司 | Spacing adjusting device and there is its LED display |
| CN103982755A (en) * | 2014-05-27 | 2014-08-13 | 利亚德光电股份有限公司 | Distance adjusting device and LED (Light Emitting Diode) display device thereof |
| CN104175116A (en) * | 2014-08-12 | 2014-12-03 | 深圳市奥拓电子股份有限公司 | LED display system, gap adjusting device for fixing and assembling screen bodies and adjusting method |
| WO2016172927A1 (en) * | 2015-04-30 | 2016-11-03 | 浙江晶日照明科技有限公司 | Shaft connecting structure |
| CN105161016B (en) * | 2015-09-15 | 2017-08-15 | 深圳市彩易达光电有限公司 | A kind of LED combination screen fast lock mechanism |
| CN105161016A (en) * | 2015-09-15 | 2015-12-16 | 深圳市彩易达光电有限公司 | Quick locking mechanism of LED combined screen |
| CN106659005A (en) * | 2016-11-09 | 2017-05-10 | 惠州雷曼光电科技有限公司 | Box body, LED display screen and LED splicing screen |
| CN106659005B (en) * | 2016-11-09 | 2019-05-17 | 惠州雷曼光电科技有限公司 | Cabinet, LED display and LED mosaic screen |
| CN108711700A (en) * | 2017-04-11 | 2018-10-26 | 邵海艳 | A kind of attachment device and LED display |
| CN108711700B (en) * | 2017-04-11 | 2024-04-19 | 邵海艳 | Connecting device and LED display screen |
| CN108193869A (en) * | 2018-01-10 | 2018-06-22 | 梅苏鸿 | A kind of lock |
| CN108317139A (en) * | 2018-03-28 | 2018-07-24 | 深圳市德彩光电有限公司 | LED box attachment device and LED display |
| CN108317139B (en) * | 2018-03-28 | 2023-09-19 | 深德彩科技(深圳)股份有限公司 | LED box connecting device and LED display screen |
| CN110619824A (en) * | 2019-10-25 | 2019-12-27 | 惠州市德赛智能科技有限公司 | Quick splicing structure of LED display screen module |
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