CN102606567B - 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 PDF

Info

Publication number
CN102606567B
CN102606567B CN 201210071710 CN201210071710A CN102606567B CN 102606567 B CN102606567 B CN 102606567B CN 201210071710 CN201210071710 CN 201210071710 CN 201210071710 A CN201210071710 A CN 201210071710A CN 102606567 B CN102606567 B CN 102606567B
Authority
CN
China
Prior art keywords
pedestal
link
connection set
driving handle
led display
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN 201210071710
Other languages
Chinese (zh)
Other versions
CN102606567A (en
Inventor
王杰
张龙虎
刘俊嵩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leyard Optoelectronic Co Ltd
Original Assignee
Leyard Optoelectronic Co Ltd
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 Leyard Optoelectronic Co Ltd filed Critical Leyard Optoelectronic Co Ltd
Priority to CN 201210071710 priority Critical patent/CN102606567B/en
Publication of CN102606567A publication Critical patent/CN102606567A/en
Application granted granted Critical
Publication of CN102606567B publication Critical patent/CN102606567B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Illuminated Signs And Luminous Advertising (AREA)

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

Connection set, led display unit and LED display system
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 prior art, between the flat board Placement have multiple, at the compound modes that adopt at present of the connection between the LED screen body structure more, as: the multiple mode of blinds latch, rotation zip, hasp etc. realizes.The display applications scope is more and more wider at present, and media releasing meeting, advertisement, performance, meeting etc. all need LED display that reliable display effect is provided.
The installation of LED display at present needs many people to coordinate to finish, and the screen body back support framves that adopt are fixed by 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 to have suitable place and sufficient time locking splicing, even the welding fixed structure.The fixed structure heaviness 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, provide a kind of connection set, 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 arrange 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 the unlocked position that makes locating stud be inserted into the locked position of positioning hole and make locating stud disengaging 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, jam plate is hinged by the 3rd bearing pin and first pedestal that are arranged on first pedestal, also is arranged with respectively the torsion spring of replacing with 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 step trough, at second restraining groove that the step surface of step trough is formed with and the card post cooperates.
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, each of a plurality of connection sets first link is arranged on the side edge 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, provide a kind of LED display system, 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 by 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 arranges 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 the unlocked position that makes locating stud be inserted into the locked position of positioning hole and make locating stud disengaging 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 with it and affect the locating stud on the slip locating piece to enter in the positioning hole of second pedestal, thereby realize being strained and fixed each other when first pedestal and second pedestal are located.
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 for explaining the present invention, do not constitute improper restriction 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 connection set of Fig. 1 at the schematic perspective view of locking state;
Fig. 9 shows the connection set of Fig. 8 in the generalized section of 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 feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As 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, first pedestal 11 have 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 the positioning hole 211 that arranges 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 with second pedestal (perhaps) thick alignment about in the of 21 of 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 with it and affect locating stud 122 on the slip locating piece to enter 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.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 two individual components that separate of faster, more reliable connection, and is at concrete engineering site, more efficient and do not need to operate realization by other instrument during the present embodiment connected element.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 weight and the required pulling force size of institute's connected element, select different materials according to different operating modes, but Placement is identical haveing nothing to do with Material Selection with mode of operation.
As Fig. 1 to Fig. 3 and shown in Figure 7, first inserted part 121 and second structure of inserted part 221 for cooperatively interacting, numerous embodiments can be arranged, 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 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 fixedlyed connected with the second connecting plate 121c by screw.
First pedestal 11 comprises two the first side walls that are oppositely arranged and is connected first diapire between two the first side walls; The first connecting plate 121b is provided with the chute 121d that extends along first direction; First link 10 also comprises second bearing pin 13 that is located in the first side wall and cooperates with chute 121d.Second bearing pin 13 also slides in chute 121d when slide in first guiding groove 111 of first pedestal 11 in first inserted part 121, and this second bearing pin 13 can play first inserted part, 121 position-limiting actions.
Preferably, first link 10 also comprises the jam plate 14 for locking driving handle 23, this jam plate 14 is arranged in first pedestal 11, as 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 by 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; As 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 to finish the locking of 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 step trough, at the second restraining groove 111a that the step surface of step trough is formed with and the card post cooperates.
Preferably, for the ease of operator's operation, second end of driving handle 23 is towards the side perk away from swing arm 22.
As 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, each of a plurality of connection sets first link 10 is arranged on the first side Yan Chu that connects housing 100, each of a plurality of connection sets second link 20 be arranged on connect housing 100 with the first side along locating relative second side Yan Chu.
As 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 by above-mentioned connection set.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, 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 and is slidably disposed on first inserted part (121) in described first guiding groove (111) and is located in the interior locating stud (122) of described first connecting through hole;
Second link (20) comprising:
Second pedestal (21) has second guiding groove (212) and the positioning hole (211) that arrange along first direction;
Swing arm (22), be arranged on movably in described second guiding groove (212), first end of described swing arm (22) has second inserted part (221) that cooperates with described first inserted part (121), and described second inserted part (221) has the unlocked position that makes described locating stud (122) be inserted into the locked position of described positioning hole (211) and make described locating stud (122) disengaging positioning hole (211);
Driving handle (23), be pivotably mounted in described second pedestal (21) along the pivot axis perpendicular to described first direction, second end of described swing arm (22) is articulated in the articulating point on the described driving handle (23), and described articulating point departs from the pivot axis of described driving handle (23).
2. connection set according to claim 1 is characterized in that,
The both sides of described driving handle (23) are fixedly connected with eccentric wheel (231) respectively, and described pivot axis is the axis of described eccentric wheel (231), and described eccentric wheel (231) is provided with eccentric opening (231a);
Described second pedestal (21) is provided with first restraining groove (213) of spacing described eccentric wheel (231), and described articulating point is first bearing pin (24) on the eccentric opening (231a) that is arranged on described eccentric wheel (231).
3. connection set according to claim 1 and 2 is characterized in that, described first inserted part (121) is for having the connecting plate of bayonet socket (121a), and described second inserted part (221) is the card post that cooperates with described bayonet socket (121a).
4. connection set according to claim 3, it is characterized in that, described 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 described first connecting plates (121b), described bayonet socket (121a) is arranged on described first connecting plate (121b), and described locating stud (122) is installed on described second connecting plate (121c).
5. connection set according to claim 4 is characterized in that,
Described first pedestal (11) comprises two the first side walls that are oppositely arranged and is connected first diapire between two described the first side walls;
Described first connecting plate (121b) is provided with the chute (121d) that extends along described first direction;
Described first link (10) also comprises second bearing pin (13) that is located in the described the first side wall and cooperates with described chute (121d).
6. connection set according to claim 5 is characterized in that,
Described first link (10) also comprises: jam plate (14), be arranged in described first pedestal (11), described jam plate (14) is provided with first lock part (14a) away from the side of described first pedestal (11), described jam plate (14) is hinged by the 3rd bearing pin (15) and described first pedestal (11) that are arranged on first pedestal (11), also is arranged with respectively the torsion spring of replacing with described jam plate (14) and described first pedestal (11) diapire (16) on described the 3rd bearing pin (15);
The driving handle (23) of described second link (20) is provided with second lock part (232) that cooperates with described first lock part (14a).
7. connection set according to claim 3 is characterized in that, described first guiding groove (111) is step trough, is formed with second restraining groove (111a) that cooperates with described card post at the step surface of described step trough.
8. connection set according to claim 1 is characterized in that, second end of described driving handle (23) is towards the side perk away from described swing arm (22).
9. led display unit, comprise and connect housing (100) and be arranged on the described a plurality of connection sets that are connected on the housing (100), it is characterized in that, described connection set is each described connection set in the claim 1 to 8, each of described a plurality of connection sets first link (10) is arranged on the first side Yan Chu of described connection housing (100), each of described a plurality of connection sets second link (20) be arranged on described connection housing (100) with described first side along locating relative second side Yan Chu.
10. a LED display system comprises a plurality of interconnective led display units, it is characterized in that, described led display unit is the led display unit described in the claim 9, and two adjacent described led display units are connected by described connection set.
CN 201210071710 2012-03-16 2012-03-16 Connecting device, LED (light emitting diode) display unit and LED display system Active CN102606567B (en)

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

Publications (2)

Publication Number Publication Date
CN102606567A CN102606567A (en) 2012-07-25
CN102606567B true CN102606567B (en) 2013-08-14

Family

ID=46524232

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201210071710 Active CN102606567B (en) 2012-03-16 2012-03-16 Connecting device, LED (light emitting diode) display unit and LED display system

Country Status (1)

Country Link
CN (1) CN102606567B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102760392B (en) * 2012-08-08 2016-12-21 深圳市雷迪奥视觉技术有限公司 A kind of LED display
CN102821573B (en) * 2012-08-29 2015-06-24 深圳市通普科技有限公司 Hasp device
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
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
CN103021284B (en) * 2012-12-03 2016-01-06 深圳市立翔慧科光电科技有限公司 A kind of LED combination screen latching device, 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
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
CN104175116B (en) * 2014-08-12 2016-08-31 深圳市奥拓电子股份有限公司 LED display system, the fixing assembled slack adjuster of screen body and control 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
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
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
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3633203A1 (en) * 1986-09-30 1988-03-31 Siemens Ag LIGHT EMISSION DIODES (LED) - DISPLAY DEVICE
JP2006278843A (en) * 2005-03-30 2006-10-12 Matsushita Electric Ind Co Ltd Light emitting diode display device
CN102332230A (en) * 2011-09-22 2012-01-25 深圳市洲明科技股份有限公司 LED (light emitting diode) display screen connecting device and LED display screen
CN202473127U (en) * 2012-03-16 2012-10-03 利亚德光电股份有限公司 Connecting device, LED (light-emitting diode) display unit and LED display system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3633203A1 (en) * 1986-09-30 1988-03-31 Siemens Ag LIGHT EMISSION DIODES (LED) - DISPLAY DEVICE
JP2006278843A (en) * 2005-03-30 2006-10-12 Matsushita Electric Ind Co Ltd Light emitting diode display device
CN102332230A (en) * 2011-09-22 2012-01-25 深圳市洲明科技股份有限公司 LED (light emitting diode) display screen connecting device and LED display screen
CN202473127U (en) * 2012-03-16 2012-10-03 利亚德光电股份有限公司 Connecting device, LED (light-emitting diode) display unit and LED display system

Also Published As

Publication number Publication date
CN102606567A (en) 2012-07-25

Similar Documents

Publication Publication Date Title
CN102606567B (en) Connecting device, LED (light emitting diode) display unit and LED display system
CN102168702B (en) Latch connecting device, light emitting diode (LED) box body and LED display screen
US8602225B2 (en) Mounting apparatus for slide rail
US8297088B1 (en) Electronic device enclosure
CN103582733B (en) Accessory for sliding door
CN101996669A (en) Extraction device for data storage
CN203117874U (en) Fixing mechanism and electronic device
CN202473127U (en) Connecting device, LED (light-emitting diode) display unit and LED display system
CN104228826A (en) Remote operator station
CN201247440Y (en) Computer cover plate combination
CN207986473U (en) Guiding assemblage and elevator device under elevator hoistway door system
CN202955075U (en) Connecting device, LED display unit and LED display system
CN102831840B (en) Fast connection mechanism for light emitting diode (LED) display screen
CN107559273B (en) Connecting device and display screen with same
CN102878162B (en) Connection device, LED display unit and LED display system
CN203252223U (en) Adjusting and connecting device of drawer panel
CN210060988U (en) Universal support for hand-operated lock screw
JP2011001749A (en) Double twin lock device of lateral sliding door of driver's cab
CN201146042Y (en) Hardpan fixer
CN210300230U (en) Engineering cost budget cost analysis display device
CN206053630U (en) A kind of retaining mechanism
CN202301305U (en) Rotary lock catch device for splicing LED (Light-Emitting Diode) display screens
CN208954015U (en) A kind of circuit board mounting structure facilitating repair
CN210405855U (en) Control system cabinet
CN216374846U (en) Double-hinge folder

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant