CN1321552C - PCB fastener - Google Patents
PCB fastener Download PDFInfo
- Publication number
- CN1321552C CN1321552C CNB2003101148578A CN200310114857A CN1321552C CN 1321552 C CN1321552 C CN 1321552C CN B2003101148578 A CNB2003101148578 A CN B2003101148578A CN 200310114857 A CN200310114857 A CN 200310114857A CN 1321552 C CN1321552 C CN 1321552C
- Authority
- CN
- China
- Prior art keywords
- circuit board
- fastening device
- type
- fixed mount
- many
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012856 packing Methods 0.000 claims description 15
- 239000011159 matrix material Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- BEWYHVAWEKZDPP-UHFFFAOYSA-N bornane Chemical compound C1CC2(C)CCC1C2(C)C BEWYHVAWEKZDPP-UHFFFAOYSA-N 0.000 description 6
- XETQTCAMTVHYPO-UHFFFAOYSA-N Isocamphan von ungewisser Konfiguration Natural products C1CC2C(C)(C)C(C)C1C2 XETQTCAMTVHYPO-UHFFFAOYSA-N 0.000 description 3
- 229930006742 bornane Natural products 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Abstract
The present invention relates to a fastening device for a circuit board, which is used for a display screen of a light emitting diode and comprises a plurality of circuit boards, a plurality of pairs of L-shaped fixing frames and at least a U-shaped clamp tenon, wherein the circuit boards are adjacently connected with each other every two, the L-shaped fixing frames are respectively fixed on the circuit boards, and the U-shaped clamp tenon clamps the L-shaped fixing frames. The-shaped clamp tenon is utilized to clamp the L-shaped fixing frames connected to the circuit boards, the fastening effect that the circuit boards are horizontally clamped towards a middle line is provided, the required tightly jointing degree of the light emitting diode is provided, and the favorable and uniform display quality of the display screen of the light emitting diode can be realized.
Description
Technical field
The present invention relates to a kind of circuit board Fastening device, particularly a kind of circuit board Fastening device that is applied to light emitting diode (LED) display screen.
Background technology
Large-scale light emitting diode (LED) display screen (Light Emitting Diode Display, LED Display) constituted by multi-disc dot matrix LEDs unit, aforesaid light-emitting diode is to be placed on the multichip circuit plate respectively and to be arranged, in order to display message; For reaching the size requirements of large-screen, this circuit board of multi-disc must be connected in twos, and accurately control fitting tightly between this circuit board, avoid the information that shows because the spacing influence between this circuit board shows that the uniformity is with quality.
Please refer to shown in Figure 1A, it is the device of known technology packing circuit board, it is applied to have multichip circuit plate 101a, 102a and the 103a of both sides, and this circuit board 101a, 102a and 103a are mounted with dot matrix LEDs (not icon) respectively at the front and are arranged with four screw seats in order to display message and in four corners at the back side; Now defining this four screws seat respectively is two-screw seat 111a and two-screw seat 112a, this two-screw seat 111a (112a) is the diagonal angle setting, that is, adjacent in twos this circuit board is to utilize this screw seat 111a wherein to cooperate locking to reach the packing effect with wherein this screw seat 112a; For example, this adjacent in twos circuit board (as 101a and 102a), the stator 14a of apparatus two screws and two-screw 13a are cooperated the screw seat 112a that secures to this circuit board 101a and the screw seat 111a of this circuit board 102a.
Yet this two-screw hole of this stator 14a notes the precision of spacing when making, and this screw seat 111a, 112a are arranged at the accuracy on this circuit board 101a, the 102a; The said goods all has acceptable tolerance when making, and is easy to generate error after the combination, and this Fastening device is the locating engagement that belongs to fixed range, and the direction of locking can't provide the packing effect of horizontal pinching for vertical up and down; Shown in Figure 1B, this circuit board 101a, 102a produce trickle angle theta because of combined tolerances; Or with reference to shown in the figure 1C, meet improper level and cut to application of force F, cause this circuit board 101a, 102a to produce relative displacement x easily.
At the defective of prior art, the present invention proposes a kind of reasonable in design and effectively improve the circuit board Fastening device of above-mentioned defective.
Summary of the invention
Main purpose of the present invention is to provide a kind of circuit board Fastening device, and the packing that adjacent in twos circuit board is combined closely effect is provided.
In order to achieve the above object, the invention provides a kind of circuit board Fastening device, be applied to light emitting diode (LED) display screen, it comprises adjacent in twos a plurality of circuit boards, is immobilizated in many to L type fixed mount, at least one U type trip that holds this to L type fixed mount on this circuit board respectively, in order to packing in conjunction with this adjacent in twos circuit board.
The concrete technical scheme of circuit board Fastening device of the present invention is as follows, comprising:
A plurality of circuit boards, adjacent in twos, it has information display surface that dot matrix LEDs is set respectively, and with respect to the fixing surface of this information display surface;
Many to L type fixed mount, this to L type fixed mount have the fixing surface that is connected in this circuit board a pair of horizontal part, and be shaped in this pair of upstanding portion respectively to horizontal part one ora terminalis, wherein, this to L type fixed mount this to rise part in correspondence with each other and be close to; And
At least one U type trip, hold this to this of L type fixed mount to rise part.
Aforesaid circuit board Fastening device, wherein, this is to be made by the material of tool high heat-conduction coefficient to L type fixed mount, in order to the heat sinking function of this circuit board to be provided.
Aforesaid circuit board Fastening device, wherein, this is tabular to horizontal part, increases this contact area to horizontal part and this circuit board with this, in order to improve the radiating efficiency of this circuit board.
Aforesaid circuit board Fastening device, wherein, this sectional area to rise part is respectively wedge type, and the thickness of described rise part is upwards increased gradually by the bottom that is arranged in this horizontal part, this U type trip is provided with in the inboard and cooperates this butt inclined-plane to the wedge type rise part, in order to the fixing of working in coordination.
Aforesaid circuit board Fastening device, wherein, this U type trip is provided with by the left and right sides fixing piece that extends internally, and this has tank corresponding to this fixing piece respectively to rise part, in order to the fixing of working in coordination.
Aforesaid circuit board Fastening device, wherein, this U type trip offers at least one side screw at least one side surface, cooperate to adjust screw and lock, with strengthen this to this of L type fixed mount to the packing function between rise part.
Aforesaid circuit board Fastening device, wherein, this U type trip offers at least one screw of going up in upper surface, cooperates the adjustment screw to lock, in order to adjust this this planarization to horizontal part to L type fixed mount.
Aforesaid circuit board Fastening device, wherein, this has concavity or convex structure respectively to rise part, closes in order to the chucking of camphane each other.
Beneficial effect of the present invention is: the present invention is by utilizing the sincere L type fixed mount that has been connected in circuit board of U type trip folder, provide circuit board level to press from both sides admedian packing effect, and the required fluid-tight engagement degree of this light emitting diode (LED) display screen, and can realize light emitting diode (LED) display screen good homogeneous display quality.
In order further to understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, yet appended graphic only provide with reference to and the explanation usefulness, be not to be used for the present invention is limited.
Description of drawings
Figure 1A is the assembling schematic diagram of known packing circuit board arrangement;
Figure 1B is the improper schematic diagram of the assembling of known packing circuit board arrangement;
Fig. 1 C is the stressed schematic diagram of known packing circuit board arrangement;
Fig. 2 is the schematic diagram of circuit board Fastening device first embodiment of the present invention;
Fig. 3 is the schematic diagram of circuit board Fastening device second embodiment of the present invention;
Fig. 4 A is the schematic diagram of circuit board Fastening device the 3rd embodiment of the present invention;
Fig. 4 B is the schematic diagram of circuit board Fastening device the 4th embodiment of the present invention;
Fig. 5 is the schematic diagram of circuit board Fastening device the 5th embodiment of the present invention; And
Fig. 6 is the schematic diagram of circuit board Fastening device the 6th embodiment of the present invention.
Wherein, description of reference numerals is as follows:
Screw 13a stator 14a
Trickle angle theta relative displacement x
Level is cut to application of force F circuit board 10
Fixing surface 101 L type fixed mounts 21
Tank 2121 side screws 231
Last screw 214 concavity structures 215
Convex structure 216 U type trips 22
Fixing piece 221 screws 23
Adjust spiral shell 24 and adjust screw 25
Embodiment
The present invention utilizes the sincere L type fixed mount that has been connected in circuit board of U type trip folder, provides this circuit board level to press from both sides admedian packing effect, to reach light emitting diode (LED) display screen good homogeneous display quality.
Please refer to shown in Figure 2, it is for first embodiment of circuit board Fastening device of the present invention, for reaching the light emitting diode (LED) display screen of even demonstration, it comprise adjacent in twos a plurality of circuit boards 10, respectively be immobilizated in many on this circuit board 10 to L type fixed mount 21, hold this at least one U type trip 22 to L type fixed mount 21, in order to packing in conjunction with this adjacent in twos circuit board 10; Wherein, this circuit board 10 have information display surface (not icon) that dot matrix LEDs is set, and with respect to the fixing surface 101 of this information display surface; The rise part 212 that this has the horizontal part 211 of the fixing surface 101 that is connected in this circuit board 10 respectively and be shaped in these horizontal part 211 1 ora terminalis L type fixed mount 21, this horizontal part 211 is to be immobilizated on this circuit board 10 by known manner such as screw 23 or gummeds, this to L type fixed mount 21 this to rise part 212 in correspondence with each other and be close to; This U type trip 22, hold this to this of L type fixed mount 21 to rise part 212, provide the admedian strength of level that two these circuit boards 10 cards are compeled to tighten up.
This rise part 212 further comprises the cross section that is wedge type, and the thickness of this rise part 212 is upwards increased gradually by the bottom that is arranged in this horizontal part 211, this U type trip 22 is provided with in the inboard and cooperates this butt inclined-plane to wedge type rise part 212, the fixing of can working in coordination.
Please refer to shown in Figure 3, it is for second embodiment of circuit board Fastening device of the present invention, it inwardly respectively extends fixing piece 221 in these U type trip 22 left and right sides, and this has tank 2121 corresponding to this fixing piece 221 respectively to rise part 212, reaches the effect of mutual fixing.
Please refer to shown in Fig. 4 A and Fig. 4 B, the 3rd and the 4th embodiment that it is respectively circuit board Fastening device of the present invention represents that respectively this has concavity structure 215 or convex structure 216 structures or both to rise part 212 and has concurrently, closes with the chucking of camphane each other; Can protect this adjacent in twos circuit board 10 not influenced by shear stress by this to camphane card state between the rise part 212 produces displacement, is kept the display quality of this light emitting diode (LED) display screen.
Please refer to shown in Figure 5, it is the fifth embodiment of the present invention, this U type trip 22 is to offer more than one side screw 231 in a side surface, cooperate adjustment screw 24 to lock, to strengthen this this packing function to 212 of rise parts to L type fixed mount 21, if the demand of bilateral packing is further arranged, this U type trip 22 can be offered at least one this side screw 231 in surface, the left and right sides.
Please refer to shown in Figure 6, it is the sixth embodiment of the present invention, and when the out-of-flatness of the bottom surface of this U type trip 22, this U type trip 22 can offer at least one screw 214 of going up in upper surface, cooperate adjustment screw 25 to lock, in order to adjust this this planarization to horizontal part 211 to L type fixed mount 21.
The present invention also provides the heat radiation function of this circuit board 10, this is to be made by the material of tool high heat-conduction coefficient to L type fixed mount 21, in order to the heat sinking function of this circuit board 10 to be provided, wherein this horizontal part 211 is tabular, increase the contact area of this horizontal part 211 and this circuit board 10 whereby, in order to improve the radiating efficiency of this circuit board 10.
In sum, the present invention can reach its intended purposes and effect really, the technological means of above-mentioned announcement, technical scheme only are better embodiment of the present invention, and any modification and variation of making according to design of the present invention, feature all should be included in the application's the claim.
Claims (8)
1. circuit board Fastening device, it is applied to light emitting diode (LED) display screen, it is characterized in that, comprising:
A plurality of circuit boards, it is adjacent in twos, and have information display surface that dot matrix LEDs is set respectively, and with respect to the fixing surface of described information display surface;
Many to L type fixed mount, described L type fixed mount have the fixing surface that is connected in described circuit board a horizontal part, and be shaped in a rise part of described horizontal part one ora terminalis respectively, wherein, described many to L type fixed mount described many to rise part in correspondence with each other and be close to; And
At least one U type trip, it holds the residence and states many described many to rise part to L type fixed mount.
2. circuit board Fastening device as claimed in claim 1 is characterized in that, described L type fixed mount is to be made by the material of tool high heat-conduction coefficient, so that the heat sinking function of described circuit board to be provided.
3. circuit board Fastening device as claimed in claim 2 is characterized in that described horizontal part is tabular, increases the contact area of described horizontal part and described circuit board thus, to improve the radiating efficiency of described circuit board.
4. circuit board Fastening device as claimed in claim 1, it is characterized in that, described many sectional areas to rise part are respectively wedge type, the thickness of described rise part is upwards increased gradually by the bottom that is arranged in described horizontal part, described U type trip is provided with in the inboard and cooperates described many butt inclined-planes to the wedge type rise part, with the fixing of working in coordination.
5. circuit board Fastening device as claimed in claim 1 is characterized in that, described U type trip has the fixing piece that is extended internally by the left and right sides, and described manyly have tank corresponding to described fixing piece respectively to rise part, with the fixing of working in coordination.
6. circuit board Fastening device as claimed in claim 1 is characterized in that, described U type trip offers at least one side screw at least one side surface, cooperate to adjust screw and locks, to strengthen described many described many to the packing function between rise part to L type fixed mount.
7. circuit board Fastening device as claimed in claim 1 is characterized in that, described U type trip offers at least one screw of going up in upper surface, cooperates the adjustment screw to lock, to adjust described many described many planarizations to horizontal part to L type fixed mount.
8. circuit board Fastening device as claimed in claim 1 is characterized in that, described manyly have concavity or convex structure respectively to rise part, closes with down chucking each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101148578A CN1321552C (en) | 2003-11-07 | 2003-11-07 | PCB fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101148578A CN1321552C (en) | 2003-11-07 | 2003-11-07 | PCB fastener |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1614655A CN1614655A (en) | 2005-05-11 |
| CN1321552C true CN1321552C (en) | 2007-06-13 |
Family
ID=34760233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101148578A Expired - Fee Related CN1321552C (en) | 2003-11-07 | 2003-11-07 | PCB fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1321552C (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4466207A (en) * | 1981-11-12 | 1984-08-21 | Unisplay S.A. | Information display devices |
| US5388359A (en) * | 1993-12-15 | 1995-02-14 | Acrylic Design & Fabricators Inc. | Display apparatus |
| CN2265057Y (en) * | 1996-05-13 | 1997-10-15 | 明碁电脑股份有限公司 | Holding device of circuit board |
| FR2772173A1 (en) * | 1997-12-05 | 1999-06-11 | Serge Chaki | Label holder |
| DE29902479U1 (en) * | 1999-02-12 | 2000-06-29 | Dreher Wolfgang | Holding device for holding information carriers on the receiving surfaces of walls or the like. Carriers |
| CN2462542Y (en) * | 2001-02-07 | 2001-11-28 | 佶邦企业有限公司 | Radiating appliance |
-
2003
- 2003-11-07 CN CNB2003101148578A patent/CN1321552C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4466207A (en) * | 1981-11-12 | 1984-08-21 | Unisplay S.A. | Information display devices |
| US5388359A (en) * | 1993-12-15 | 1995-02-14 | Acrylic Design & Fabricators Inc. | Display apparatus |
| CN2265057Y (en) * | 1996-05-13 | 1997-10-15 | 明碁电脑股份有限公司 | Holding device of circuit board |
| FR2772173A1 (en) * | 1997-12-05 | 1999-06-11 | Serge Chaki | Label holder |
| DE29902479U1 (en) * | 1999-02-12 | 2000-06-29 | Dreher Wolfgang | Holding device for holding information carriers on the receiving surfaces of walls or the like. Carriers |
| CN2462542Y (en) * | 2001-02-07 | 2001-11-28 | 佶邦企业有限公司 | Radiating appliance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1614655A (en) | 2005-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4706206B2 (en) | Heat dissipation device and display device | |
| CN103378188B (en) | Solar module and for generating the equipment of photovoltaic electric power | |
| US20060125979A1 (en) | Diffusion plate and backlight module using the same | |
| CN112331090B (en) | Display panel, display module and spliced screen | |
| KR102570539B1 (en) | Display module and display apparatus | |
| EP2120088A1 (en) | Backlight Unit Including Light Emitting Diodes and Liquid Crystal Display Device Including the Same | |
| CN101888760B (en) | Image displaying apparatus | |
| CN101097345A (en) | Backlight assembly and liquid crystal display module using the same | |
| US7467877B2 (en) | Light source | |
| CN208107825U (en) | Backlight source module and display device | |
| US20110110046A1 (en) | Reinforcement frame, component unit, and display | |
| CN101614352A (en) | Backlight module and display module | |
| US20080212270A1 (en) | Coupling structure of chassis base and circuit board and display apparatus including the same | |
| JP2010092670A (en) | Illuminating device and image display | |
| US20210286415A1 (en) | Display apparatus and method of manufacturing the same | |
| CN201401697Y (en) | Side light type backlight module | |
| CN100454054C (en) | Method for mounting a surface lighting system and surface lighting system | |
| CN1321552C (en) | PCB fastener | |
| CN102495482B (en) | Bearing seat and display device using same | |
| CN104541101B (en) | Lighting device, display device and radiovisor | |
| US20070159777A1 (en) | Chassis assembly and display apparatus having the same | |
| KR101119753B1 (en) | Liquid crystal display device | |
| CN2662391Y (en) | Fastening apparatus for circuit board | |
| CN1322365C (en) | Back light module | |
| CN213988130U (en) | Display device and micro LED module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070613 Termination date: 20191107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |