CN202991765U - Connection device, light emitting diode (LED) display unit and LED display system - Google Patents
Connection device, light emitting diode (LED) display unit and LED display system Download PDFInfo
- Publication number
- CN202991765U CN202991765U CN 201220653797 CN201220653797U CN202991765U CN 202991765 U CN202991765 U CN 202991765U CN 201220653797 CN201220653797 CN 201220653797 CN 201220653797 U CN201220653797 U CN 201220653797U CN 202991765 U CN202991765 U CN 202991765U
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- housing
- driveshaft
- connection
- plug pin
- led display
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Abstract
The utility model provides a connection device, a light emitting diode (LED) display unit and an LED display system. The connection device comprises a first connection part, a second connection part and a fastening part, wherein the first connection part comprises a first shell, a bolt part, a driving rod and a reset elastic part. A guiding channel is arranged in the first shell. The bolt part comprises a guiding part and a bolt part. The guiding part is movably arranged in the guiding channel. The bolt part is provided with an out-stretching position and a back-retracting position, wherein the out-stretching position is used for the out-stretching of the first shell and the back-retracting position is used for the back-retracting of the first shell. The free end of the bolt part is connected with a connection hole. The middle portion of the driving rod is installed on the first shell in a pivot mode. The first end of the driving rod is matched with the guiding part in a driving mode. The reset elastic part is arranged in the first shell and is matched with the guiding part. The second connection part comprises a second shell, wherein the second shell is provided with a fastening part through hole and a bolt hole. The fastening part is arranged in the fastening part through hole in a penetrating mode and is used for fixing the bolt part in the bolt hole. The connection device has the advantages of being fast in connection and dismantling, and convenient to use.
Description
Technical field
The utility model relates to the 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 the 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 to regulate stretching out of locating stud and to retract by throw rod, exist product parts more, cost is high, and volume is larger, and the defective such as take up room larger.The rotation Zipper-type connects by the cam driven latch hook, latch hook can in inner rotary, the female lock of tension, exist and can't realize the individual unit dismounting after installing, the defective such as product orientation is accurate not.The threaded formula connects by locating stud being fixed on thread bush inside, by handmade rotary 90 degree location, then by the outside threaded sleeve locking of rotation, has the inadequate defective of product orientation precision.
The installation of LED display at present needs many people to coordinate to complete, and fixed structure is heavy, is difficult to the single display panel of dismounting, is not easy turnover and dismounting fast, screen embodies the field needs more manpower to coordinate, and causes the waste of the resources such as human cost, financial cost, environmental protection.
The model utility content
The utility model 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 utility model, 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 that extends along first direction; Pin member comprises guide portion and the plug pin portion that is connected on guide portion, guide portion is arranged in guide channel along first direction movably, plug pin portion has the extended position that stretches out the first housing and the retracted position of retracting the first housing, 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 with guide portion and coordinates; 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 the fastening piece perforation and coordinates with plug pin portion; Fastening piece is located in the 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, have on roof 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 on 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 first housing is respectively equipped with the first end wall and the second end wall along the two ends that first direction extends, and the first end wall is provided be used to first through hole of dodging plug pin portion, and the second end wall is provided with second dodges breach be used to what dodge driveshaft.
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 in the side of guide portion towards plug pin 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 be used to the latching point that prevents its rotation, and when plug pin portion is in extended position, latching point contacts and make the driveshaft self-locking with guide portion.
According on the other hand of the present utility model, a kind of LED display unit is provided, comprise and connect housing and be connected a plurality of connection sets that connect on housing, connection set is above-mentioned connection set, the first link of a plurality of connection sets be arranged on the first side that connects housing along and with the first side along adjacent second side along upper, each of a plurality of connection sets the second link be arranged on connect housing with the first side along the 3rd relative side along locate and with the second side along corresponding four side along upper.
Further, the first housing be connected housing and all be formed at and connect on housing, connect on the end face of housing and have the second through hole to form hinge last, connect and have on the back side of housing with the adaptive third through-hole of plug pin portion to form the fastening piece perforation.
According on the other hand of the present utility model, a kind of LED display system is provided, comprise 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 the connection set of these two LED display units.
Use the technical solution of the utility model, when needs interconnect the first link and the second link, rotation of drive rod makes in the guide channel of guide portion in the first housing and moves, the plug pin portion that is 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, the free-ended attachment hole of plug pin portion this moment 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.When 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, at this moment, the first link and the second link are separated from each other.Connection set of the present utility model structure for connection set of the prior art is simpler, and easy accessibility.
Description of drawings
The Figure of description that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the decomposition texture schematic diagram according to the embodiment of the first link of connection set of the present utility model;
Fig. 2 shows the left side of the first link when its plug pin portion is in extended position of Fig. 1 and looks schematic diagram;
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 is in the generalized section in the retracted position moving process by extended position in plug pin portion;
The master of the first link when its plug pin portion is in retracted position that Fig. 6 shows Fig. 1 looks schematic diagram; And
Fig. 7 shows the decomposition texture schematic diagram according to the embodiment of LED display unit of the present utility model.
Embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model 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 that extends along first direction.Pin member 30 comprises guide portion 31 and the plug pin portion 32 that is connected on guide portion 31, guide portion 31 is arranged in guide channel along first direction movably, plug pin portion 32 has the extended position that stretches out the first housing 10 and the retracted position of retracting the first housing 10, 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 with guide portion 31 and coordinates.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:
when needs interconnect the first link and the second link, rotation of drive rod 20 makes in the guide channel of guide portion 31 in the first housing 10 and moves, 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), the free-ended attachment hole 33 of plug pin portion 32 this moment 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.When 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 is the schematic diagram in the retracted position moving process by extended position) 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, at this moment, 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 when 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 the LED display industry, and other casing is suitable for being connected to connect too.
As shown in Figure 1, the first housing 10 comprise roof, diapire and be connected to roof and diapire between sidewall, have on roof 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 on projection 11.Preferably, roof, diapire and sidewall surround rectangular case.Driveshaft is installed projection 11 and is preferably two, all is arranged on the first housing 10 away from an end of 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 section, and then curved part promotion guide portion 31 is moved.
As shown in Figures 2 and 3, the first housing 10 is respectively equipped with the first end wall 50 and the second end wall 60 along the two ends that first direction extends, the first end wall 50 is provided with to be provided be used to first through hole 51, the second end walls 60 of dodging plug pin portion 32 second dodges breach be used to what dodge driveshaft 20.Driveshaft 20 is when rotating, and curved part can be dodged breach by second.Preferably, the first end wall 50 be connected end wall 60 and all be connected with the first housing 10 by screw 70.
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 in the side of guide portion 31 towards plug pin portion 32, and the second end of return springs 40 is supported on the first end wall 50.Guide portion 31 compresses return springs 40 under driveshaft 20 drives.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 40 pairs of guide portion 31 active forces of return springs on sheathed guide rod 34 more even.
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 be used to the latching point that prevents its rotation, and when plug pin portion 32 is in extended position, latching point contacts and make driveshaft 20 self-lockings with guide portion 31.guide portion 31 compression return springs 40, and under the effect of return springs 40, the curved part of driveshaft 20 had thrust along first direction, thrust is decomposed into normal component of force and the tangential component vertical with normal component of force, normal component of force is large to the moment of the generation of the pivot axis of driveshaft 20 to the torque ratio tangential component of the generation of the pivot axis of driveshaft 20, 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 can't be retracted in the first housing 10.The operation unit that only rotates counterclockwise driveshaft 20 just can make guide portion 31 drive plug pin portion 32 under the effect of return springs 40 and be retracted in the first housing 10.Like this, in installation process driveshaft 20 can self-locking need not when wearing fastening piece hand steered, thereby make install more convenient.
As Fig. 3 and shown in 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 utility model also provides a kind of LED display unit, as shown in Figure 7, comprise connection housing 100 and be connected a plurality of connection sets that connect on housing 100 according to the embodiment of LED display unit of the present utility model, connection set is above-mentioned connection set, the first link of a plurality of connection sets be arranged on the first side that connects housing 100 along and with the first side along adjacent second side along upper, each of a plurality of connection sets the second link be arranged on connect housing 100 with the first side along the 3rd relative side along locate and with the second side along corresponding four side along upper.
Preferably, the first housing 10 be connected housing and all be formed at and connect on housing 100, connect on the end face of housing 100 and have the second through hole to form hinge last 80, connect and have on the back side of housing 100 with the adaptive third through-hole of plug pin portion 32 to form fastening piece perforation 90.Certainly, as feasible mode of execution, the mounting zone corresponding to the first link and the second link can be set on housing also, the first link and the second link are directly installed in the mounting zone corresponding with it.
The utility model also provides a kind of LED display system, comprise a plurality of interconnective LED display units according to the embodiment of LED display system of the present utility model, 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 above is only preferred embodiment of the present utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
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 that extends along first direction;
Described pin member (30) comprises guide portion (31) and is connected to 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 extended position that stretches out described the first housing (10) and the retracted position of retracting described the first housing (10), and the free end of described plug pin portion (32) is provided with attachment hole (33);
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 with described guide portion (31) and coordinates;
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, have on described roof 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 on 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, described the first housing (10) is respectively equipped with the first end wall (50) and the second end wall (60) along the two ends that described first direction extends, described the first end wall (50) is provided be used to first through hole (51) of dodging described plug pin portion (32), and described the second end wall (60) is provided with second dodges breach be used to what dodge described driveshaft (20).
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 in the side of described guide portion (31) towards described plug pin portion (32), 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) has be used to the latching point that prevents that described driveshaft (20) from rotating, described plug pin portion (32) when being in described extended position described latching point contact and make described driveshaft (20) self-locking with described guide portion (31).
8. LED display unit, comprise a plurality of connection sets on connecting housing (100) and being connected described connection housing (100), it is characterized in that, described connection set is the described connection set of any one in claim 1 to 7, the first side that the first link of described a plurality of connection sets is arranged on described connection housing (100) along and with described first side along adjacent second side along upper, each of described a plurality of connection sets the second link be arranged on described connection housing (100) with described first side along the 3rd relative side along locate and with the 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) be connected housing and all be formed on described connection housing (100), have the second through hole on the end face of described connection housing (100) to form described hinge last (80), have on the back side of described connection housing (100) with the adaptive third through-hole of described plug pin portion (32) to form described fastening piece perforation (90).
10. LED display system, comprise a plurality of interconnective LED display units, it is characterized in that, described LED display unit is the described LED display unit of 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 |
|---|---|---|---|
| CN 201220653797 CN202991765U (en) | 2012-11-30 | 2012-11-30 | Connection device, light emitting diode (LED) display unit and LED display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220653797 CN202991765U (en) | 2012-11-30 | 2012-11-30 | Connection device, light emitting diode (LED) display unit and LED display system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202991765U true CN202991765U (en) | 2013-06-12 |
Family
ID=48562949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220653797 Expired - Lifetime CN202991765U (en) | 2012-11-30 | 2012-11-30 | Connection device, light emitting diode (LED) display unit and LED display system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202991765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943802A (en) * | 2012-11-30 | 2013-02-27 | 利亚德光电股份有限公司 | Connection device, LED (Light-Emitting Diode) display unit and LED display system |
-
2012
- 2012-11-30 CN CN 201220653797 patent/CN202991765U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943802A (en) * | 2012-11-30 | 2013-02-27 | 利亚德光电股份有限公司 | Connection device, LED (Light-Emitting Diode) display unit and LED display system |
| CN102943802B (en) * | 2012-11-30 | 2014-10-08 | 利亚德光电股份有限公司 | Connection device, LED (Light-Emitting Diode) display unit and LED display system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130612 Effective date of abandoning: 20141008 |
|
| RGAV | Abandon patent right to avoid regrant |