CN102943802B - Connection device, LED (Light-Emitting Diode) display unit and LED display system - Google Patents
Connection device, LED (Light-Emitting Diode) display unit and LED display system Download PDFInfo
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- CN102943802B CN102943802B CN201210507296.7A CN201210507296A CN102943802B CN 102943802 B CN102943802 B CN 102943802B CN 201210507296 A CN201210507296 A CN 201210507296A CN 102943802 B CN102943802 B CN 102943802B
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- driveshaft
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- plug pin
- led display
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Abstract
The invention provides a connection device, an LED (Light-Emitting Diode) display unit and an LED display system. The connection device comprises a first connection piece, a second connection piece and a fastening piece; the first connection piece comprises a first shell, a pin piece, a driving rod and a resetting elastic piece; the first shell is internally provided with a guide channel; the pin piece comprises a guide part and a pin part; the guide part is movably arranged inside the guide channel; the pin part is provided with an extending position extending out of the first shell and a retraction position retracting back to the first shell; a connection hole is formed at the free end of the pin part; the middle part of a driving rod is pivoted on the first shell; the first end of the driving rod is matched with the guide part in a driving manner; the resetting elastic piece is arranged inside the first shell and is matched with the guide part; the second connection piece comprises a second shell; the second shell is provided with a fastening piece through hole and a pin hole; and the fastening piece is arranged inside the fastening piece through hole in a penetrating manner, and the pin part is fixedly arranged inside the pin hole. The connection device provided by the invention is rapider and more convenient to connect and dismount.
Description
Technical field
The present invention relates to mounting technology field, in particular to a kind of connection set, LED display unit and LED display system.
Background technique
At present, the LED display of giant-screen includes polylith display panel, and the Placement between display panel has multiple, as: pull the various ways such as locking-type, rotation Zipper-type, threaded formula and realize.But, pull locking-type and connect and regulate stretching out of locating stud and retract by throw rod, exist product parts more, cost is high, and volume is larger, and the defect such as take up room larger.Rotation Zipper-type connects by cam driven latch hook, latch hook can in inner rotary, the female lock of tension, exist after installing and cannot realize individual unit dismounting, the defect such as product orientation is accurate not.Threaded formula connects by locating stud being fixed on to thread bush inside, by handmade rotary 90 degree location, then by the outside threaded sleeve locking of rotation, has the defect that product orientation precision is inadequate.
The installation of LED display at present needs many people to coordinate, and fixed structure heaviness, be difficult to the single display panel of dismounting, be not easy turnover and dismounting fast, screen embodies field needs more manpower to coordinate, and causes the waste of the 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, having comprised: the first link, the second link and fastening piece; The first link comprises the first housing, pin member, driveshaft and return springs, and wherein, the inside of the first housing has the guide channel extending along first direction; Pin member comprises guide portion and is connected to the plug pin portion on guide portion, guide portion is arranged in guide channel movably along first direction, plug pin portion has the retracted position that stretches out the extended position of the first housing and first housing of retracting, and the free end of plug pin portion is provided with attachment hole; The middle part of driveshaft is pivotably mounted on the first housing, and the first end of driveshaft drives and coordinates with guide portion; Return springs is arranged on the inside of the first housing and coordinates with guide portion, plug pin portion moves to retracted position from extended position under the effect of return springs, the second link comprises the second housing, the hinge last that the second housing has fastening piece perforation and coordinates with plug pin portion; Fastening piece is located in fastening piece perforation and plug pin portion is fixed in hinge last.
Further, the first housing comprise roof, diapire and be connected to roof and diapire between sidewall, on roof, have along first of first direction extension and dodge breach, roof is provided with driveshaft projection is installed, and driveshaft is pivotably mounted on driveshaft by installation shaft and installs in projection.
Further, driveshaft comprises: curved part, and its free end coordinates with guide portion; Operation unit, is connected with curved part and extends to the first outside.
Further, the two ends that the first housing extends along first direction are respectively equipped with the first end wall and the second end wall, and the first end wall is provided with the first through hole for dodging plug pin portion, and the second end wall is provided with for dodging second of driveshaft and dodges breach.
Further, connection set also comprises: guide rod, be arranged on the inside of the first housing along first direction, guide portion has the pilot hole that holds guide rod, return springs is spring, be set on guide rod, the first end of return springs is supported the side towards plug pin portion at guide portion, and the second end of return springs is supported on the first end wall.
Further, the first end of guide rod is provided with screw thread, and the first end wall is provided with the tapped hole with screw-thread fit, and the second end wall is provided with the blind hole of the second end that holds guide rod.
Further, driveshaft has the latching point for preventing its rotation, and plug pin portion latching point in the time of extended position contacts and make driveshaft self-locking with guide portion.
According to a further aspect in the invention, a kind of LED display unit is provided, comprise and connect housing and be arranged on the multiple connection sets that are connected on housing, connection set is above-mentioned connection set, the first link of multiple connection sets be arranged on connect housing first side along and with first side along adjacent second side along upper, each second link of multiple connection sets be arranged on connect housing with first side along the 3rd relative side along locate and with second side along corresponding four side along upper.
Further, the first housing is all formed at and is connected on housing with the second housing, has the second through hole to form hinge last on the end face of connection housing, has with the third through-hole of plug pin portion adaptation to form fastening piece perforation on the back side of connection housing.
According to a further aspect in the invention, a kind of LED display system is provided, comprise multiple interconnective LED display units, LED display unit is above-mentioned LED display unit, and two adjacent LED display units are connected by the connection set of these two LED display units.
Apply technological scheme of the present invention, in the time that needs interconnect the first link and the second link, rotation of drive rod makes to move in the guide channel of guide portion in the first housing, the plug pin portion being connected with guide portion moves to extended position by retracted position, stretch out the first housing and be inserted in the hinge last of the second housing, now the free-ended attachment hole of plug pin portion aligns with the fastening piece perforation of the second housing, fastening piece is located in attachment hole and fastening piece perforation, just can quick and easy the first link and the second link be connected firmly.In the time that needs separate the first link and the second link, take out fastening piece, guide portion moves along guide channel under the effect of the restoring force of return springs, plug pin portion moves to retracted position by extended position, retract in the first housing and separate with hinge last, now, the first link and the second link are separated from each other.Connection set of the present invention structure for connection set of the prior art is simpler, and easy accessibility.
Brief description of the drawings
The Figure of description that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows according to the embodiment's of the first link of connection set of the present invention decomposition texture schematic diagram;
The first link that Fig. 2 shows Fig. 1 is looked schematic diagram in the left side during in extended position in its plug pin portion;
The A-A that Fig. 3 shows the first link in Fig. 2 to generalized section;
Fig. 4 shows the plan structure schematic diagram of the first link in Fig. 2;
The first link that Fig. 5 shows Fig. 1 plug pin portion in by extended position to the generalized section in retracted position moving process;
In its plug pin portion, the master during in retracted position looks schematic diagram to the first link that Fig. 6 shows Fig. 1; And
Fig. 7 shows the decomposition texture schematic diagram according to the embodiment of LED display unit of the present invention.
Embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
As shown in Figure 1, the connection set of the present embodiment comprises the first link, the second link and fastening piece (not shown the second link and fastening piece).The first link comprises the first housing 10, pin member 30, driveshaft 20 and return springs 40, and wherein, the inside of the first housing 10 has the guide channel extending along first direction.Pin member 30 comprises guide portion 31 and is connected to the plug pin portion 32 on guide portion 31, guide portion 31 is arranged in guide channel movably along first direction, plug pin portion 32 has the retracted position that stretches out the extended position of the first housing 10 and first housing 10 of retracting, and the free end of plug pin portion 32 is provided with attachment hole 33.The middle part of driveshaft 20 is pivotably mounted on housing 10, and the first end of driveshaft 20 drives and coordinates with guide portion 31.Return springs 40 is arranged on the inside of housing 10 and coordinates with guide portion 31, and plug pin portion 32 moves to retracted position from extended position under the effect of return springs 40.The second link comprises the second housing, the hinge last 80 that the second housing has fastening piece perforation 90 and coordinates with plug pin portion 32.Fastening piece is located in fastening piece perforation 90 and plug pin portion 32 is fixed in hinge last 80.
Embodiment's connection set in use, the first link and the second link are arranged on respectively on two adjacent parts, such as casing, flat board, and then utilize the connection between the first link and the second link and then two adjacent parts are closely connected.Connection and unloading process between the first link and the second link are specific as follows:
In the time that needs interconnect the first link and the second link, rotation of drive rod 20 makes to move in the guide channel of guide portion 31 in the first housing 10, plug pin portion 32 moves to extended position by retracted position, the plug pin portion of stretching out the first housing 10 and inserting the first link shown in hinge last 80(Fig. 3 of the second link is positioned at extended position), now the free-ended attachment hole 33 of plug pin portion 32 aligns with fastening piece perforation 90, fastening piece is located in attachment hole 33 and fastening piece perforation 90, can be faster, more easily the first link and the second link are connected firmly.In the time that needs separate the first link and the second link, take out fastening piece, guide portion 31 moves (plug pin portion that Fig. 5 shows the first link by extended position to the schematic diagram in retracted position moving process) along guide channel under the effect of the restoring force of return springs 40, plug pin portion 32 moves to retracted position (plug pin portion of the first link shown in Fig. 6 is positioned at retracted position) by extended position, retract in the first housing 10 and separate with hinge last 80, now, the first link separates with the second link.Fastening piece is preferably the screw that contains nut.
The connection set of the present embodiment can connect faster, more easily and dismantle two separate parts, and at concrete engineering site, the connection set of the present embodiment is more efficient in the time of connected element.The connection set of the present embodiment is applicable to the installation and removal of LED display unit, but is not limited to be used in LED display industry, and other casing was suitable for dull and stereotyped connection too.
As shown in Figure 1, the first housing 10 comprise roof, diapire and be connected to roof and diapire between sidewall, on roof, have along first of first direction extension and dodge breach, roof is provided with driveshaft projection 11 is installed, and driveshaft 20 is pivotably mounted on driveshaft by installation shaft 12 and installs in projection 11.Preferably, roof, diapire and sidewall surround rectangular case.Driveshaft is installed projection and 11 is preferably two, is all arranged on the first housing 10 one end away from plug pin portion 32, and lays respectively at the first both sides of dodging breach, and driveshaft 20 is arranged on two driveshafts and installs between projection 11.
As shown in Figure 3 and Figure 5, driveshaft 20 comprises curved part and operation unit, and the free end of curved part coordinates with guide portion 31.Operation unit is connected with curved part and extends to the first housing 10 outsides.By rotating operation portion, and then curved part promotion guide portion 31 is moved.
As shown in Figures 2 and 3, the two ends that the first housing 10 extends along first direction are respectively equipped with the first end wall 50 and the second end wall 60, the first end wall 50 is provided with the first through hole 51, the second end walls 60 for dodging plug pin portion 32 and is provided with for dodging second of driveshaft 20 and dodges breach.Driveshaft 20 is in the time rotating, and curved part can be dodged breach by second.Preferably, the first end wall 50 is all connected with the first housing 10 by screw 70 with the second end wall 60.
As shown in Figure 1, connection set also comprises guide rod 34, guide rod 34 is arranged on the inside of the first housing 10 along first direction, guide portion 31 has the pilot hole that holds guide rod 34, return springs 40 is preferably Compress Spring, be set on guide rod 34, the first end of return springs 40 is supported the side towards plug pin portion 32 at guide portion 31, and the second end of return springs 40 is supported on the first end wall 50.Guide portion 31, under driveshaft 20 drives, compresses return springs 40.Certainly, return springs can be also extension spring, and return springs 40 also can be arranged between guide portion 31 and the second end wall 60, and the two ends of return springs 40 are fixedly connected on respectively on guide portion 31 and the second end wall 60, guide portion 31 under driveshaft 20 drives, stretching return springs 40.Guide rod 34 is preferably two, and is symmetricly set on the inside of the first housing 10, makes the return springs 40 on sheathed guide rod 34 more even to guide portion 31 active forces.
As shown in Figure 1, the first end of guide rod 34 is provided with screw thread, and the first end wall 50 is provided with the blind hole that is provided with the second end that holds guide rod 34 with tapped hole 53, the second end walls 60 of screw-thread fit.Guide rod 34 is fixed in the first housing 10 more reliably, and easily install, convenient disassembly.
As shown in Figure 3, driveshaft 20 has the latching point for preventing its rotation, and plug pin portion 32 latching point in the time of extended position contacts and make driveshaft 20 self-lockings with guide portion 31.Guide portion 31 compresses return springs 40, and under the effect of return springs 40, the curved part of driveshaft 20 is had to the thrust along first direction, thrust is decomposed into normal component of force and the tangential component vertical with normal component of force, the moment of the generation of the pivot axis of the torque ratio tangential component of the generation of the pivot axis of normal component of force to driveshaft 20 to driveshaft 20 is large, and the moment that normal component of force produces clockwise rotates driveshaft 20, therefore guide portion 31 makes driveshaft 20 self-lockings under the effect of return springs 40, plug pin portion 32 cannot be retracted in the first housing 10.The operation unit that only rotates counterclockwise driveshaft 20 just can make guide portion 31 under the effect of return springs 40, drive plug pin portion 32 to be retracted in the first housing 10.Like this, in installation process driveshaft 20 can self-locking without hand steered in the time wearing fastening piece, thereby make to install more convenient.
As shown in Figure 3 and Figure 6, the free end of plug pin portion 32 stretches out gradually with shrinking, facilitates plug pin portion 32 to insert hinge last 80.
The present invention also provides a kind of LED display unit, as shown in Figure 7, comprise and connect housing 100 and be arranged on the multiple connection sets that are connected on housing 100 according to the embodiment of LED display unit of the present invention, connection set is above-mentioned connection set, the first link of multiple connection sets be arranged on connect housing 100 first side along and with first side along adjacent second side along upper, each second link of multiple connection sets be arranged on connect housing 100 with first side along the 3rd relative side along locate and with second side along corresponding four side along upper.
Preferably, the first housing 10 is all formed at and is connected on housing 100 with the second housing, on the end face of connection housing 100, there is the second through hole to form hinge last 80, on the back side of connection housing 100, have with the third through-hole of plug pin portion 32 adaptations to form fastening piece perforation 90.Certainly, as feasible mode of execution, the mounting zone corresponding to the first link and the second link also can be set on housing, the first link and the second link are directly installed in the mounting zone corresponding with it.
The present invention also provides a kind of LED display system, comprise multiple interconnective LED display units according to the embodiment of LED display system of the present invention, the LED display unit that LED display unit is above-mentioned, two adjacent LED display units are connected by one or more connection sets of these two LED display units.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a connection set, is characterized in that, comprising: the first link, the second link and fastening piece;
Described the first link comprises the first housing (10), pin member (30), driveshaft (20) and return springs (40), wherein,
The inside of described the first housing (10) has the guide channel extending along first direction;
Described pin member (30) comprises guide portion (31) and is connected to the plug pin portion (32) on described guide portion (31), described guide portion (31) is arranged in described guide channel movably along described first direction, described plug pin portion (32) has the retracted position that stretches out the extended position of described the first housing (10) and described the first housing (10) of retracting, and the free end of described plug pin portion (32) is provided with attachment hole (33);
It is upper that the middle part of described driveshaft (20) is pivotably mounted on described the first housing (10), and the first end of described driveshaft (20) drives and coordinates with described guide portion (31);
Described return springs (40) is arranged on the inside of described the first housing (10) and coordinates with described guide portion (31), and described plug pin portion (32) moves to described retracted position from described extended position under the effect of described return springs (40);
Described the second link comprises the second housing, the hinge last (80) that the second housing has fastening piece perforation (90) and coordinates with described plug pin portion (32);
Described fastening piece is located in described fastening piece perforation (90) and described plug pin portion (32) is fixed in described hinge last (80).
2. connection set according to claim 1, it is characterized in that, described the first housing (10) comprise roof, diapire and be connected to described roof and described diapire between sidewall, on described roof, have along first of first direction extension and dodge breach, described roof is provided with driveshaft projection (11) is installed, and described driveshaft (20) is pivotably mounted on described driveshaft by installation shaft (12) and installs in projection (11).
3. connection set according to claim 2, is characterized in that, described driveshaft (20) comprising:
Curved part, its free end coordinates with described guide portion (31);
Operation unit, is connected with described curved part and extends to described the first housing (10) outside.
4. connection set according to claim 3, it is characterized in that, the two ends that described the first housing (10) extends along described first direction are respectively equipped with the first end wall (50) and the second end wall (60), described the first end wall (50) is provided with the first through hole (51) for dodging described plug pin portion (32), and described the second end wall (60) is provided with for dodging second of described driveshaft (20) and dodges breach.
5. connection set according to claim 4, it is characterized in that, described connection set also comprises: guide rod (34), be arranged on the inside of described the first housing (10) along described first direction, and described guide portion (31) has the pilot hole that holds described guide rod (34);
Described return springs (40) is spring, is set on described guide rod (34); The first end of described return springs (40) is supported the side towards described plug pin portion (32) at described guide portion (31), and the second end of described return springs (40) is supported on described the first end wall (50).
6. connection set according to claim 5, it is characterized in that, the first end of described guide rod (34) is provided with screw thread, described the first end wall (50) is provided with the tapped hole (53) with described screw-thread fit, and described the second end wall (60) is provided with the blind hole of the second end that holds described guide rod (34).
7. connection set according to claim 1, it is characterized in that, described driveshaft (20) have for prevent described driveshaft (20) rotate latching point, described plug pin portion (32) in the time of described extended position described in latching point contact and make described driveshaft (20) self-locking with described guide portion (31).
8. a LED display unit, comprise and connect housing (100) and be arranged on the multiple connection sets on described connection housing (100), it is characterized in that, described connection set is the connection set described in any one in claim 1 to 7, the first side that the first link of described multiple connection sets is arranged on described connection housing (100) along and with described first side along adjacent second side along upper, each second link of described multiple connection sets be arranged on described connection housing (100) with described first side along the 3rd relative side along locate and with second side along corresponding four side along upper.
9. LED display unit according to claim 8, it is characterized in that, described the first housing (10) and the second housing are all formed on described connection housing (100), on the end face of described connection housing (100), there is the second through hole to form described hinge last (80), on the back side of described connection housing (100), there is the third through-hole adaptive with described plug pin portion (32) to form described fastening piece perforation (90).
10. a LED display system, comprise multiple interconnective LED display units, it is characterized in that, described LED display unit is the LED display unit described in claim 8 or 9, and two adjacent described LED display units are connected by the connection set of these two described LED display units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210507296.7A CN102943802B (en) | 2012-11-30 | 2012-11-30 | Connection device, LED (Light-Emitting Diode) display unit and LED display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210507296.7A CN102943802B (en) | 2012-11-30 | 2012-11-30 | Connection device, LED (Light-Emitting Diode) display unit and LED display system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102943802A CN102943802A (en) | 2013-02-27 |
| CN102943802B true CN102943802B (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210507296.7A Active CN102943802B (en) | 2012-11-30 | 2012-11-30 | Connection device, LED (Light-Emitting Diode) display unit and LED display system |
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| Country | Link |
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| CN (1) | CN102943802B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106793635B (en) | 2017-04-10 | 2022-05-10 | 深圳市洲明科技股份有限公司 | Electric lock catch and display screen adopting same |
| TWI632304B (en) * | 2017-06-03 | 2018-08-11 | 伍鐌科技股份有限公司 | Side fastening structure |
| IT201800002516A1 (en) * | 2018-02-08 | 2019-08-08 | Otlav Spa | LEVER BOLT |
| CN112401309B (en) * | 2019-08-15 | 2022-07-08 | 湖北中烟工业有限责任公司 | Charging device and smoking equipment with same |
| CN214197850U (en) * | 2020-11-27 | 2021-09-14 | 深圳市洲明科技股份有限公司 | Arc-shaped lock catch and LED display screen |
| CN112999561A (en) * | 2021-04-26 | 2021-06-22 | 深圳速境生活科技有限公司 | Multifunctional body-building equipment |
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|---|---|---|---|---|
| US4498798A (en) * | 1983-09-26 | 1985-02-12 | Amsted Industries Incorporated | Locating pin |
| CN1920230A (en) * | 2006-09-15 | 2007-02-28 | 深圳日海通讯技术有限公司 | Intelligent lock and lock/unlock method thereof |
| CN201916291U (en) * | 2010-12-31 | 2011-08-03 | 北京谊安医疗系统股份有限公司 | Connecting structure |
| 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 |
| CN202991765U (en) * | 2012-11-30 | 2013-06-12 | 利亚德光电股份有限公司 | Connection device, light emitting diode (LED) display unit and LED display system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012125437A1 (en) * | 2011-03-15 | 2012-09-20 | Alcoa Inc. | Pin latch having an intermediate position |
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2012
- 2012-11-30 CN CN201210507296.7A patent/CN102943802B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4498798A (en) * | 1983-09-26 | 1985-02-12 | Amsted Industries Incorporated | Locating pin |
| CN1920230A (en) * | 2006-09-15 | 2007-02-28 | 深圳日海通讯技术有限公司 | Intelligent lock and lock/unlock method thereof |
| CN201916291U (en) * | 2010-12-31 | 2011-08-03 | 北京谊安医疗系统股份有限公司 | Connecting structure |
| 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 |
| CN202991765U (en) * | 2012-11-30 | 2013-06-12 | 利亚德光电股份有限公司 | Connection device, light emitting diode (LED) display unit and LED display system |
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| CN102943802A (en) | 2013-02-27 |
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