CN205810291U - LED display device - Google Patents

Abstract

The open a kind of LED display device of this utility model, it is installed in the rotating shaft of rotary apparatus, this LED display device includes the housing arranged in strip, housing is provided through installing hole, LED display device also includes the elastic clamping pieces being installed on housing, elastic clamping pieces is along the scalable setting of radial direction of installing hole, to clamp the rotating shaft through installing hole.This utility model passes through to run through on housing to arrange installing hole, and elastic clamping pieces is set on housing, this elastic clamping pieces can occur elastic deformation in various degree, and then the rotating shaft differed through installing hole and size can be clamped, thus, this LED display device is mountable on different rotary apparatuss, is conducive to improving the suitability of LED display device.

Description

LED display device

Technical field

This utility model relates to display device technology field, particularly to a kind of LED display device.

Background technology

At present, market has display device miscellaneous, such as: liquid crystal TV set, LED display device etc..Should LED display device is installed in the rotating shaft of rotary apparatus, and it rotates with the axis of rotation of rotary apparatus, and this LED shows Device is the principle persisted based on human eye vision and forms the pattern that a width is complete.

LED display device includes the housing in strip, the master control borad being installed in housing and lamp bar and is installed on The Power Supply Assembly being electrically connected with on housing and with master control borad and lamp bar.LED display device fills with rotating typically by housing Connection is fixed in the rotating shaft put, i.e. housing is provided through the installing hole adaptive with rotary apparatus.Due to the installing hole on housing Once set at, the size of its size will be unable to change, and thus, causes this LED display device to may be only available for a kind of size Rotating shaft, and then reduce the suitability of this LED display device.

Utility model content

Main purpose of the present utility model is to propose a kind of LED display device, it is intended to improve the suitable of LED display device The property used.

For achieving the above object, a kind of LED display device that the utility model proposes, for being installed on rotary apparatus In rotating shaft, described LED display device includes the housing arranged in strip, and described housing is provided through installing hole, described LED display device also includes the elastic clamping pieces being installed on described housing, and described elastic clamping pieces is along described installing hole The most scalable setting, to clamp the rotating shaft through described installing hole.

Preferably, the hole wall of described installing hole is provided with the through hole running through described housing, and described elastic clamping pieces includes sliding Grip block that one end that the slide bar being installed in described through hole is located in described installing hole with described slide bar is connected and being sheathed on On described slide bar and be limited in the back-moving spring between the hole wall of described grip block and described installing hole, described back-moving spring is elastic Support described grip block, so that described grip block abuts with the rotating shaft through described installing hole.

Preferably, described LED display device includes two described elastic clamping pieces, the folder of two described elastic clamping pieces Hold plate to be oppositely arranged, form the grasping part for clamping rotating shaft.

Preferably, described through hole includes first paragraph that the relatively big and neighbouring described installing hole in aperture arranges and aperture is less and with The second segment of described first paragraph connection, described first paragraph is formed with stage portion, described reset bullet with the junction of described second segment In one end of spring extends described first paragraph and abut with described stage portion.

Preferably, described grip block has the clamping face back to described slide bar, and described clamping face is arc-shaped concave, and described Multiple anti-slop serrations it is provided with on clamping face.

Preferably, described elastic clamping pieces also includes anti-falling piece, and described slide bar stretches out institute away from one end of described installing hole State through hole and fixing with described anti-falling piece be connected.

Preferably, the wall portion of described installing hole runs through described housing and arranges, and forms mouth of stepping down.

Preferably, described LED display device also includes that Power Supply Assembly, described Power Supply Assembly include shell, described shell Having the first end and the second end being oppositely arranged, described shell is arranged with the cunning extended from described first end to described second end Groove, and described chute run through described second end end face arrange, the surface configuration of described housing has slide rail, described Power Supply Assembly lead to Cross described chute to be slidably connected with described slide rail.

Preferably, the end face of described second end is provided with formed with this end face and allows the lid of bit port, described in step down logical The one end in road connects setting with described chute, allows bit port be provided with elongate holes, described power supply group described in described lid correspondence Part also includes that elastic component and locating part, described elastic component allow the main part of bit port and being convexly equipped in described in including being positioned at Described main part also stretches out the clicking section of described elongate holes, and one end of described elastic component allows bit port away from described cunning with described The end abutment of groove, the other end abuts with described main part,

When described elastic component is in elastic stretch state, described main part part stretch out described in allow bit port block institute State chute；

Promote clicking section slide so that described elastic component is in compressive state time, described main part be contained in described in step down So that described chute is opened in passage.

Preferably, described LED display device also includes that fixation clamp and hook, described fixation clamp are relative with described hook It is arranged at the described housing end away from described installing hole, and the opening of described hook is arranged towards described fixation clamp.

This utility model passes through to run through on housing to arrange installing hole, and arranges elastic clamping pieces on housing, this elasticity Holder can occur elastic deformation in various degree, and then can clamp the rotating shaft differed through installing hole and size, thus so that This LED display device is mountable on different rotary apparatuss, is conducive to improving the suitability of LED display device.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work Under, it is also possible to other accompanying drawing is obtained according to the structure shown in these accompanying drawings.

Fig. 1 is the structural representation of this utility model LED display device one embodiment；

Fig. 2 is the decomposing schematic representation of Fig. 1 middle shell；

Fig. 3 is the semi-cutaway of LED display device in Fig. 1；

Fig. 4 is the enlarged diagram of local B in Fig. 1；

Fig. 5 is fixation clamp and the assembling schematic diagram of silicagel pad in Fig. 4；

Fig. 6 is the structural representation of Power Supply Assembly in Fig. 1；

Fig. 7 is the sectional view in Fig. 1 along A-A；

Fig. 8 is the enlarged diagram of Local C in Fig. 3.

Drawing reference numeral illustrates:

The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model rather than all Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, broadly falls into the scope of this utility model protection.

It is to be appreciated that if this utility model embodiment relates to directivity instruction (such as upper and lower, left and right, front, After ...), then directionality instruction is only used for explaining relative between each parts under a certain particular pose (as shown in drawings) Position relationship, motion conditions etc., if this particular pose changes, then directionality instruction changes the most therewith.

If it addition, this utility model embodiment relates to the description of " first ", " second " etc., then should " first ", " the Two " description etc. is only used for describing purpose, and it is not intended that instruction or imply its relative importance or implicit indicate indication The quantity of the technical characteristic shown.Thus, define " first ", the feature of " second " can be expressed or implicitly include at least one Individual this feature.It addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill Based on personnel are capable of, when technical scheme combination occur conflicting maybe cannot realize time will be understood that this technical side The combination of case does not exists, the most not within the protection domain that this utility model requires.

In order to improve the suitability of LED display device, even if also this LED display device can the turning of adaptive sizes Axle, the utility model proposes a kind of LED display device, and refer to Fig. 1, Fig. 1 is LED display device one of the present utility model The structural representation of embodiment.

This LED display device 100 is installed in the rotating shaft of rotary apparatus, and this rotary apparatus can be the car of bicycle Wheel, fan, motor etc., in embodiment of the present utility model, be installed on the wheel of bicycle with LED display device 100 As a example by, it is specifically described.

Refer to Fig. 1 and Fig. 3, this LED display device 100 includes housing 10, elastic clamping pieces 20, and usual LED shows Lamp bar 30 and the master control borad 40 of showing device 100 are fixedly installed in housing 10.

Housing 10 is preferably arranged in strip, the length of housing 10 at the radius of wheel of bicycle between diameter, for The concrete length of housing 10, here, do not do concrete restriction.

Concrete, refer to Fig. 2, housing 10 includes the first housing 10a and the second housing 10b, the first housing 10a and second Housing 10b is fixing by ultrasonic bonding to be connected, and ultrasonic bonding has the advantage such as firm welding, good airproof performance, sealing The water that can avoid well outside enters in housing 10, and then affects the normal work of lamp bar 30 and master control borad 40.

This housing 10 is provided through installing hole 11, and this installing hole 11 passes through for the rotating shaft for wheel.Need explanation It is that the installing hole 11 on housing 10 once set at, and its size just cannot change, thus only causes this LED display device 100 Can coordinate with the rotating shaft of a kind of size.

Elastic clamping pieces 20 is installed on housing 10, and this elastic clamping pieces 20 preferably can be stretched along the radial direction of installing hole 11 Contracting is arranged.During it should be noted that elastic clamping pieces 20 is installed on housing 10, its one end is stretched in installing hole 11.

During mounted LED lamp display device 100, first elastic clamping pieces 20 is compressed, to avoid elastic clamping pieces 20 shadow The rotating shaft ringing wheel passes installing hole 11, after the rotating shaft of wheel passes installing hole 11, unclamps elastic clamping pieces 20, resilient clamp Part 20 is during recovering elastic deformation, and one end clamping rotating shaft of elastic clamping pieces 20, now rotating shaft is back to elastic clamping pieces The side of 20 abuts with the hole wall of installing hole 11, namely rotating shaft is under the hole wall of installing hole 11 with the clamping of elastic clamping pieces 20 Fix with housing 10 and be connected, thus complete the assembling of LED display device 100 and wheel.

It is understood that this elastic clamping pieces 20 is when various sizes of rotating shaft is through installing hole 11, it can be by sending out Raw elastic deformation in various degree abuts with rotating shaft, so so that LED display device 100 is mountable to various sizes of car In the rotating shaft of wheel, and then improve the suitability of LED display device 100.

Elastic clamping pieces 20 in above-described embodiment includes slide bar 21, grip block 22 and back-moving spring 23.Refer to figure 3, the installation of elastic clamping pieces 20 for convenience, the hole wall of this installing hole 11 is provided with the through hole 12 running through housing 10, it is preferable that should Through hole 12 is along the setting that radially extends of installing hole 11, and this through hole 12 is arranged slightly larger than the diameter of slip lid 21.Slide bar 21 can be slided Dynamic is installed in this through hole 12；This grip block 22 is installed on one end that slide bar 21 is located in installing hole 11, it should be noted that This grip block 22 can use screw to connect, socket or other connected modes and slide bar 21 are fixed and be connected, here, do not do concrete Limit.This back-moving spring 23 is sheathed on slide bar 21, and limit mounting is between the hole wall of grip block 22 and installing hole 11.

It should be noted that grip block 22 is mainly used in clamping the rotating shaft through installing hole 11；Back-moving spring 23 is for bullet Property support grip block 22 so that grip block 22 can clamp various sizes of rotating shaft；Slide bar 21 be mainly used in by grip block 22 with Housing 10 connects, and it also plays the effect of guiding when back-moving spring 23 occurs elastic deformation or recovers elastic deformation.

Back-moving spring 23 in the raw time, the gap between the hole wall of grip block 22 and installing hole 11 be less than rotating shaft Diameter, to LED display device 100 be fixedly installed in the rotating shaft of wheel, then need compression reseting spring 23, with increase Big spacing between grip block 22 and the hole wall of installing hole 11, back-moving spring 23 the most then can give grip block 22 1 effect Power, and then make grip block 22 can preferably clamp the rotating shaft through installing hole 11.

It is understood that back-moving spring 23 is when grip block 22 clamps various sizes of rotating shaft, there is elastic deformation in it Degree also can change accordingly, so so that this elastic clamping pieces 20 can clamp various sizes of rotating shaft.

Should say, this elastic reset part 20 can also be installed on the surface of housing 10, as convex on the surface of housing 10 If two positioning tables being provided with perforation, slide bar 21 sequentially passes through the perforation on two positioning tables, and grip block 22 is installed on slide bar 21 adjacent to one end of installing hole 11, and back-moving spring 23 is arranged between the erecting bed of grip block 22 and neighbouring installing hole 11.

LED display device 100 in above-described embodiment, its housing 10 can arrange multiple elastic clamping pieces 20, many Individual elastic clamping pieces 20 carries out scalable setting along installing hole 11, through the rotating shaft of installing hole 11 at multiple elastic clamping pieces 20 Clamping under, and with this LED display device 100 assemble more firm.

Preferably, refer to Fig. 1, two elastic clamping pieces 20, and two elastic clamping pieces 20 are set on the housing 10 Grip block 22 be oppositely arranged, formed for clamping the grasping part of rotating shaft.When LED display device 100 assembles with wheel, The grip block 22 of two elastic clamping pieces 20 clamps the side of rotating shaft respectively, so so that rotating shaft is with LED display device 100 even Connect is more firm.

Back-moving spring 23 is fixing for convenience, this through hole 12 be provided with that the bigger and neighbouring installing hole 11 in aperture arranges the One section 121 less with aperture and the second segment 122 that connects with first paragraph 121.Due to first paragraph 121 and the aperture of second segment 122 Different, the junction of first paragraph 121 and second segment 122 is formed with stage portion 123, and one end of back-moving spring 23 extends first paragraph In 121 and abutting with stage portion 123, the other end of back-moving spring 23 abuts with grip block 22.It should be noted that back-moving spring Spacing by first paragraph 121 when one end of 23 extends in first paragraph 121, and then avoid back-moving spring 23 elastic deformation is occurring Time, position occurs that the problem of skew occurs.

In order to make grip block 22 preferably clamp rotating shaft, this grip block 22 is arranged to back to the clamping face 221 of slide bar 21 Arc-shaped concave.Owing to the outside wall surface of rotating shaft is arc-shaped, when grip block 22 and shaft contacts, clamping face 221 energy of grip block 22 Enough outside wall surface with rotating shaft are preferably fitted, and then increase the frictional force between grip block 22 and rotating shaft, and then make clamping Plate 22 can be more firm clamping rotating shaft.

In order to avoid relative slip between grip block 22 and rotating shaft further, this clamping face 221 is additionally provided with multiple Anti-slop serrations 222, so so that the clamping rotating shaft that grip block 22 is more firm.

Stirring grip block 22 for convenience, one end extension of this grip block 22 is formed with grip part 223.Show in LED When device 100 is installed or dismantled, it is required to stir grip block 22 so that it separates with rotating shaft.Arrange in one end of grip block 22 Grip part 223, this grip part 223 provides a preferable point of application for stirring grip block 22, and then facilitates and stir clamping Plate 22, and then facilitate the installation and removal of LED display device 100.

In order to avoid slide bar 21 skids off through hole 12, refer to Fig. 1 and Fig. 3, this elastic clamping pieces 20 is additionally provided with anti-falling piece 24, it should be noted that the extended through hole in one end 12 in this remotely mounted hole of slide bar 21 11 is arranged, namely the length of slide bar 21 is big In the length of through hole 12, this anti-falling piece 24 is installed on the end in the remotely mounted hole of slide bar 21 11.It should be noted that this anti-falling piece 24 can be connected by screw, be socketed, rivet or other connected modes are fixing with slide bar 21 is connected.

Back-moving spring 23 in the raw time, this anti-falling piece 24 abuts with housing 10, so, can avoid slide bar 21 Skid off from through hole 12 and cause grip block 22, back-moving spring 23 and the loss of slide bar 21.

LED display device 100 is installed in rotating shaft for convenience, and the wall portion of this installing hole 11 runs through housing 10 and sets Put, form mouth 13 of stepping down.It should be noted that this is stepped down, the width of mouth 13 is preferably equal to the diameter of installing hole 11.In LED When the wheel of display device 100 and bicycle assembles, the rotating shaft of wheel can be coordinated with installing hole 11 by this mouth 13 of stepping down, as This, eliminate the operation of other parts in removing vehicle tyres rotating shaft, improve the installation effectiveness of LED display device 100.

More firm in order to make LED display device 100 install, refer to Fig. 1 and Fig. 4, this remotely mounted hole of housing 10 The end of 11 is provided with fixation clamp 50, and this fixation clamp 50 is in order to clamp the spoke of bicycle.So so that LED display device On the 100 more firm wheels being installed on bicycle.

Concrete, this fixation clamp 50 includes interconnective two clamping limbs 51, and two clamping limbs 51 are oppositely arranged formation one folder Hold space.The preferred V-shaped setting of this grasping part, so so that two clamping limbs 51 can clamp various sizes of spoke.Two folders Gripping arm 51 has the free end 511 of the junction away from two clamping limbs 51, the free end 511 of two clamping limbs 51 respectively with housing 10 The end in remotely mounted hole 11 is fixing to be connected.It should be noted that the free end 511 of two clamping limbs 51 is provided with screwed hole (not shown), housing 10 is correspondingly arranged on perforation (not shown), and two clamping limbs 51 are fixing with housing 10 even by a spiro connecting piece 52 Connect.

Refer to Fig. 5, this LED display device 100 also includes silicagel pad 60, and this silicagel pad 60 is installed on grasping part In, and silicagel pad 60 fixes with two clamping limbs 51 and is connected.Silica gel material has good elastic deformation ability, and so, this is solid Clamp 50 can preferably clamp spoke.Further, silicagel pad 60 being additionally provided with multiple fixing tooth, fixing tooth is at fixation clamp 50 are mutually twisted, so when clamping spoke so that fixation clamp 50 can stronger clamping spoke.

In order to make more firm being installed on wheel of LED display device 100, the end in this remotely mounted hole of housing 10 11 It is additionally provided with hook 14, and the opening of this hook 14 is arranged towards fixation clamp 50.Rotating shaft at elastic clamping pieces 20 holding-wheel Time, this hook 14 and a spoke snapping of wheel, another spoke of this fixation clamp 50 holding-wheel.If hook 14 and fixation clamp 50 When coordinating from different spokes respectively, when the situation that hook 14 cannot contact with spoke occurs, can press from both sides by adjusting fixation clamp 50 Hold the position of spoke, so that hook 14 contacts with corresponding spoke.Thus so that LED display device 100 can be more firm Be installed on wheel.

In above-described embodiment, this LED display device 100 also includes Power Supply Assembly 70, refer to Fig. 6 and Fig. 7, this power supply Assembly 70 includes shell 71, and this shell 71 has the first end 711 and the second end 712 being oppositely arranged, and this shell 71 is recessed Having the chute 713 extended from the first end 711 to the second end 712, this chute 713 runs through the end face of the second end 712 and arranges.Need Bright, this chute 713 can be the groove of T-slot, dovetail groove or other shapes, here, do not do concrete restriction.Accordingly Ground, this housing 10 is correspondingly arranged slide rail 15, and this slide rail 15 is adaptive with chute 713.This slide rail 15 can become with housing 10 one Type is arranged, it is also possible to be the outer surface being installed on housing 10 by fixture, here, do not do concrete restriction.

When Power Supply Assembly 70 assembles with housing 10, the chute 713 on Power Supply Assembly 70 is sliding with the slide rail 15 on housing 10 Dynamic cooperation, and then Power Supply Assembly 70 is slidably mounted on housing 10.

Obviously, in embodiment of the present utility model, this slide rail 15 can be arranged on the shell 71 of Power Supply Assembly 70, phase Ying Di, on housing 10, correspondence offers chute 713, or arranges slide rail 15 and chute on Power Supply Assembly 70 and housing 10 simultaneously 713, here, do not do concrete restriction.

Further, refer to Fig. 8, the end face of the second end 712 of shell 71 is provided with and steps down logical with the formation of this end face The lid 90 in road 80, and this allows one end of bit port 80 connect setting with chute 713.This Power Supply Assembly 70 also includes elastic component 72 and locating part 73, this elastic component 72 is installed on and allows in bit port 80, and one end of elastic component 72 with allow bit port 80 away from cunning One end of groove 713 connects, and this locating part 72 is also installed on and allows in bit port 80, and another of this locating part 72 and elastic component 73 End connects.

When elastic component 72 is in stretched condition, locating part 72 stretches out under the resilient support of elastic component 73 and allows bit port 80, namely locating part 72 is from allowing bit port 80 stretch out adjacent to the port of chute 713, stretches out and the locating part 73 of bit port 80 can be sealed Stifled chute 713, and then Power Supply Assembly 70 relative cannot be slided, so that Power Supply Assembly 70 is fixed on housing with slide rail 15 On 10.

It should be noted that this lid 90 includes the first lid 91 and the second lid 92, the first lid 91 can be with shell 71 One-body molded setting or be fixed to the second end of shell 71 by connector, the second lid 92 and the first lid 91 pass through screw Fixing connection.

The dismounting of Power Supply Assembly 70, refer to Fig. 8 for convenience, and this lid 90 correspondence allows bit port 80 be provided with strip Hole 93, this locating part 73 includes being installed on allows the main part 731 in bit port 80 and be convexly equipped in main part 731 and extend length Clicking section 732 in bar hole 93, can slide along elongate holes 93 in this clicking section 732, to drive main part 731 allow bit port Move in 80.When dismantling Power Supply Assembly 70, by stirring this clicking section 732, drive main part 731 allow in bit port 80 sliding Dynamic also compression elastic piece 74, so that chute 713 is opened adjacent to the port of the second end 712, and then by slip Power Supply Assembly It can be disassembled from housing 10 by 70.

These are only preferred embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every Under inventive concept of the present utility model, utilize the equivalent structure transformation that this utility model description and accompanying drawing content are made, or Directly/be indirectly used in other relevant technical fields and be included in scope of patent protection of the present utility model.

Claims (10)

1. a LED display device, for being installed on the rotating shaft of rotary apparatus, it is characterised in that described LED display dress Putting the housing including arranging in strip, described housing is provided through installing hole, and described LED display device also includes installing Elastic clamping pieces on described housing, described elastic clamping pieces, along the scalable setting of radial direction of described installing hole, is worn with clamping Cross the rotating shaft of described installing hole.

2. LED display device as claimed in claim 1, it is characterised in that the hole wall of described installing hole is provided with and runs through described The through hole of housing, described elastic clamping pieces includes being slidably mounted on the slide bar in described through hole and described peace is located at by described slide bar Grip block that one end in dress hole connects and be sheathed on described slide bar and be limited in described grip block and described installing hole Back-moving spring between hole wall, described back-moving spring flexibly support described grip block so that described grip block with through described The rotating shaft of installing hole abuts.

3. LED display device as claimed in claim 2, it is characterised in that described LED display device includes described in two Elastic clamping pieces, the grip block of two described elastic clamping pieces is oppositely arranged, and forms the grasping part for clamping rotating shaft.

4. LED display device as claimed in claim 2, it is characterised in that described through hole includes that aperture is bigger and neighbouring institute State the first paragraph second segment that is less with aperture and that connect that installing hole is arranged, described first paragraph and described second with described first paragraph The junction of section is formed with stage portion, in one end of described back-moving spring extends described first paragraph and abuts with described stage portion.

5. LED display device as claimed in claim 2, it is characterised in that described grip block has back to described slide bar Clamping face, described clamping face is to be provided with multiple anti-slop serrations on arc-shaped concave, and described clamping face.

6. LED display device as claimed in claim 2, it is characterised in that described elastic clamping pieces also includes anti-falling piece, institute State slide bar stretch out described through hole away from one end of described installing hole and fixing with described anti-falling piece be connected.

7. LED display device as claimed in claim 1, it is characterised in that the wall portion of described installing hole runs through described Housing is arranged, and forms mouth of stepping down.

8. LED display device as claimed in claim 1, it is characterised in that described LED display device also includes power supply group Part, described Power Supply Assembly includes that shell, described shell have the first end and the second end being oppositely arranged, and described shell is arranged with certainly Described first end is to the chute of described second end extension, and described chute runs through the end face setting of described second end, described housing Surface configuration have slide rail, described Power Supply Assembly to be slidably connected with described slide rail by described chute.

9. LED display device as claimed in claim 8, it is characterised in that be provided with on the end face of described second end and be somebody's turn to do End face is formed and allows the lid of bit port, described in allow one end of bit port connect setting with described chute, described in described lid correspondence Allowing bit port be provided with elongate holes, described Power Supply Assembly also includes that elastic component and locating part, described elastic component include being positioned at The described main part allowed in bit port and be convexly equipped in described main part and stretch out the clicking section of described elongate holes, described bullet Property part one end with described allow bit port away from the end abutment of described chute, the other end abuts with described main part,

When described elastic component is in elastic stretch state, described main part part stretch out described in allow bit port block described cunning Groove；

When promoting clicking section to slide so that described elastic component is in compressive state, described main part be contained in described in allow bit port In so that described chute is opened.

10. LED display device as claimed in claim 1, it is characterised in that described LED display device also includes fixing Folder and hook, described fixation clamp and described hook are in being relatively arranged on the described housing end away from described installing hole and described The opening of hook is arranged towards described fixation clamp.