CN106374248B - Show the connection structure and connection method of board and backboard in equipment - Google Patents
Show the connection structure and connection method of board and backboard in equipment Download PDFInfo
- Publication number
- CN106374248B CN106374248B CN201611035137.6A CN201611035137A CN106374248B CN 106374248 B CN106374248 B CN 106374248B CN 201611035137 A CN201611035137 A CN 201611035137A CN 106374248 B CN106374248 B CN 106374248B
- Authority
- CN
- China
- Prior art keywords
- board
- backboard
- connection terminal
- punching press
- via hole
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/52—Fixed connections for rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
- H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The present invention relates to the technical fields of board installation, provide a kind of connection structure and connection method for showing board and backboard in equipment, and display equipment includes the conductive connection terminal for being electrically connected respectively with board and backboard；Connection terminal includes punching press head, and the via hole passed through for punching press head is offered on backboard；Connection terminal further includes the multiple circlips engaged for the via hole with backboard, and one end of multiple circlips is connect with punching press head, and the other end is connect with board；Circumferentially-spaced setting of multiple circlips on punching press head.It is compared with the prior art, board is paid on backboard using connection terminal lock, when board and backboard assemble, it only needs connection terminal on board being pressed into backboard, relative to traditional locked screw mode, the lock of board and backboard, which is paid, operates more convenient, high production efficiency.
Description
Technical field
The present invention relates to the technical fields of board installation, more particularly, to the connection of board and backboard in a kind of display equipment
Structure and connection method.
Background technique
Currently, showing in equipment in such as display, television set etc., it is by being screwed into spiral shell that the lock of traditional board and backboard, which is paid,
Silk connects the two, therefore, time-consuming, high production cost, and electronic component EMI (Electro Magnetic
Interference, electromagnetic interference) ground connection conduction it is poor, contact area is small.
Summary of the invention
Technical problem to be solved by the present invention lies in provide in a kind of display equipment the connection structure of board and backboard and
Connection method, it is intended to solve in the prior art, board is low with the packaging efficiency of backboard, the higher defect of production cost.
The connection structure of board and backboard in a kind of display equipment provided by the invention, wherein the display equipment includes
Conductive connection terminal for being electrically connected respectively with the board and the backboard；The connection terminal includes staking punch
Portion offers the via hole passed through for the punching press head on the backboard；The connection terminal further include for the backboard
Via hole engaging multiple circlips, one end of multiple circlips connect with the punching press head, the other end and board company
It connects；Circumferentially-spaced setting of multiple circlips on the punching press head.
Further, the circlip includes:
The segmental arc of elasticity, for being squeezed by the inner wall of the via hole when punching press head is slid downwardly into the via hole
Interior elastic deformation is pressed to, the segmental arc is bent outwardly upwards from the top edge on the punching press head；
Insert-connecting plate, for being connect with the board；And
Contact-segment is mutually supported for the inner wall with via hole, and the contact-segment is connected to the segmental arc and the insert-connecting plate
Between.
Further, the mounting hole for insert-connecting plate merging is offered on the board.
Further, the scolding tin in gap between covering the two is provided between the insert-connecting plate and the board.
Further, the punching press head is hollow hemispherical dome structure, and the cross dimensions on the punching press head is not more than
The diameter of the via hole.
Further, the quantity of the circlip is four, the center spaced set on punching press head described in four clamp spring wounds.
Further, Long Bao corresponding with connection terminal is convexly equipped on the backboard, the Long Bao is used to support board
Cover portion and the wall portion being connected between the cover portion and backboard；The top surface of the cover portion is recessed forms the via hole downwards.
Further, chamfering structure is formed in the edge of the via hole on the top surface of the cover portion.
The connection method of a kind of board and backboard provided by the invention, comprising:
The step of being connect using the circlip of connection terminal with board；
In the via hole that board with connection terminal is pressed into backboard in such a way that the punching press head of connection terminal is directed downwardly, lead to
Spend the step of engaging of the circlip with via hole makes board and backboard fixing assembling.
It further,, will after circlip is connect with board in the step of being connect using the circlip of connection terminal with board
Board is sent into tin furnace, and scolding tin is melted between board and circlip.
It is compared with the prior art, connection structure provided by the invention, board is paid on backboard using connection terminal lock, in plate
When card is assembled with backboard, it is only necessary to connection terminal on board are pressed into backboard, in this way, the packaging efficiency of board and backboard
Height greatly reduces production cost.
It is compared with the prior art, connection method provided by the invention, the lock of board and backboard, which is paid, operates more convenient, raising
Production efficiency.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of board and backboard provided in an embodiment of the present invention；
Fig. 2 is the stereoscopic schematic diagram of connection terminal provided in an embodiment of the present invention；
Fig. 3 is the schematic cross-sectional view of board and backboard provided in an embodiment of the present invention.
Main element symbol description
10: board 11: mounting hole
20: backboard 21: via hole
22: grand packet 23: cover portion
24: wall portion 25: hole wall
30: connection terminal
31: punching press head 32: circlip
321: segmental arc 322: insert-connecting plate
323: contact-segment 324: changeover portion
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that described embodiment is of the invention one
Section Example, instead of all the embodiments.Based on described the embodiment of the present invention, those of ordinary skill in the art exist
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of without creative work.
In order to make those skilled in the art more fully understand technical solution of the present invention, below with reference to specific attached drawing to this
The realization of invention is described in detail.
For sake of convenience, hereinafter so-called "upper" "lower" is consistent with the upper and lower direction of attached drawing itself, but not to this hair
Bright structure plays restriction effect.
It as shown in Figures 1 to 3, is a preferred embodiment provided by the invention.
The connection structure of board 10 and backboard 20 in display equipment provided in this embodiment, display equipment includes for distinguishing
The conductive connection terminal 30 being electrically connected with board 10 and backboard 20；Connection terminal 30 includes punching press head 31, on backboard 20
Offer the via hole 21 passed through for punching press head 31；Connection terminal 30 further include engage for the via hole 21 with backboard 20 it is multiple
One end of circlip 32, multiple circlips 32 is connect with punching press head 31, and the other end is connect with board 10；Multiple circlips 32 are in staking punch
The circumferentially-spaced setting in portion 31.
The connection structure of board 10 and backboard 20 in above-mentioned display equipment, board 10 are paid using the lock of connection terminal 30 and are being carried on the back
On plate 20, when board 10 and backboard 20 assemble, it is only necessary to connection terminal 30 on board 10 is pressed into backboard 20, relative to
The lock pair operation of traditional locked screw mode, board 10 and backboard 20 is more convenient, and production efficiency is higher.
Referring to Fig. 1, show that equipment can be display or TV comprising board 10 and backboard 20, board 10 are print
Printed circuit board is laid with printed circuit on board 10 and is electrically connected at electronic component on board 10, and backboard 20 is metal back
Plate, for installing board 10.
As shown in Figure 1, board 10 is assemblied on backboard 20 by connection terminal 30, and in the present embodiment, connection terminal 30
Quantity is but is not limited to one, connection terminal 30 is made of conductive materials such as copper or copper alloys, respectively with board 10 and
Backboard 20 is electrically connected, it is to be understood that screw made of the more traditional Steel material of copper and copper alloy has preferably conductive
Rate, so that board 10 and the conduction of backboard 20 are more excellent, Electro Magnetic Compatibility is more preferable.
As shown in Fig. 2, connection terminal 30 includes punching press head 31 and the circlip 32 connecting with punching press head 31, in this implementation
In example, punching press head 31 is the up big and down small hemispherical dome structure (it is, of course, also possible to being taper or cone) of diameter, connection terminal
32 quantity of circlip on 30 is but is not limited to four, and the shapes of four circlips 32, size and structure are essentially identical, four cards
Spring 32 offers the via hole 21 passed through for punching press head 31, punching press on backboard 20 around the center spaced set on punching press head 31
The cross dimensions on head 31 is slightly less than the diameter of via hole 21, and the upper end (upper end in diagram) of circlip 32 is connect with board 10, even
After connecting terminal 30 is pressed into the via hole 21 of backboard 20, there are elastic deformations when being squeezed for circlip 32 by via hole 21 between adjacent circlip 32
Prepsetting gap, engaged by circlip 32 with the via hole 21 of backboard 20, keep connection terminal 30 and backboard 20 fixed, and then by board
10 are mounted on backboard 20.
Specifically, each circlip 32 include elasticity segmental arc 321, insert-connecting plate 322 and be connected to segmental arc 321 with
Contact-segment 323 between insert-connecting plate 322, contact-segment 323 are in contact to form an aduncate changeover portion 324 with insert-connecting plate 322.
Offer the mounting hole 11 for the bottom-up merging of insert-connecting plate 322 on board 10, the shape of mounting hole 11 with insert-connecting plate 322
Match.It is noted that mounting hole 11 is substantially in long narrow rectangle, unlike traditional screw assembly 10 mode of board,
Traditional approach needs in board 10 opening up the through-hole for being relatively large in diameter and (matching with screw), leads to complex manufacturing technology, and this hair
The board 10 of bright embodiment only needs to rush lesser hole, can connect board 10 with connection terminal 30, makes more convenient.
Contact-segment 323 is mutually supported for the inner wall with via hole 21, and contact-segment 323 is from the lower end of changeover portion 324 to downward
It stretches, on the cylindrical body of the enclosing of contact-segment 323 of each circlip 32, the diameter of the column is slightly larger than the diameter of via hole 21, in this way,
The outer wall of 32 contact-segment 323 of circlip, so that board 10 is more securely connect with backboard 20, can be worth with 21 inner wall tight fit of via hole
One is mentioned that, in traditional board 10 and 20 packaging technology of backboard, after being screwed into screw, and since the contact area of thread is small, spiral shell
Silk is contacted between backboard 20 for line, therefore board 10 and the electromagnetism conduction of backboard 20 are smaller, and conduct radiation is undesirable；And
The connection terminal 30 of the present embodiment is contacted using the outer wall of contact-segment 323 with the inner wall of 20 via hole 21 of backboard, this connection type is
Face contact, thus contact area is bigger, therefore electronic component EMI ground connection conduction is more preferable.
Segmental arc 321, when connection terminal 30 presses downward in via hole 21, segmental arc 321 is inside by the inner wall of via hole 21
It squeezes, and inside elastic deformation, segmental arc 321 are bent outwardly upwards from the top edge on punching press head 31 and extend to contact-segment
323, it should be noted that on the orbicule of the enclosing of contact-segment 323 of each circlip 32, the maximum diameter of the sphere is greater than above-mentioned
The diameter of column, when circlip 32 keeps extruding, each 321 elastic deformation of segmental arc is simultaneously collapsed, and so that above-mentioned prepsetting gap is become smaller, simultaneously
The generation of contact-segment 323 slightly deforms, after segmental arc 321 passes through backboard 20, the outside elastic reset of segmental arc 321, in this way, connection
Terminal 30 is not easy to be detached from backboard 20, so that board 10 and the bonding strength with higher of backboard 20.
As further optimizing, scolding tin (not shown) is welded in the junction of circlip 32 and board 10, is covered by welding
Gap between lid insert-connecting plate 322 and board 10, it is worth mentioning at this point that, after welding scolding tin on connection terminal 30, connecting pin can be improved
The electromagnetism conduction of son 30 keeps the conduction of board 10 and backboard 20 high, and Electro Magnetic Compatibility is good；In addition, scolding tin can be further
Ground improves the bonding strength between connection terminal 30 and board 10, and connection terminal 30 is not easily disconnected from board 10.
Referring to Fig. 3, as further optimizing, grand packet 22, Long Bao corresponding with connection terminal 30 is convexly equipped on backboard 20
22 wall portions 24 for being used to support the cover portion 23 of board 10 and being connected between cover portion 23 and backboard 20, the top surface of cover portion 23 is to recessed
It falls into and forms via hole 21.In the present embodiment, via hole 21 is located at the center of 23 top surface of cover portion, and the via hole 21 of cover portion 23 has from cover portion
The hole wall 25 that 23 top surfaces extend downwardly, the development length and contact-segment 323 of the hole wall 25 are essentially identical, and hole wall 25 has scheduled
Thickness and rigidity.That is, segmental arc 321 passes through 21 wall of hole and is located at hole wall 25 after connection terminal 30 is pressed into backboard 20
Lower section, contact-segment 323 are supported with 25 phase of hole wall, meanwhile, the bottom surface of board 10 is abutted with the bottom surface of cover portion 23, so that board 10
Support is in the cover portion 23 of backboard 20.
As further optimizing, it is formed with chamfering structure in the edge of via hole 21 on the top surface of cover portion 23, specifically,
It is rounding corner structure that the edge of via hole 21, which is formed with chamfering structure, in this way, in the assembly connection of backboard 20 and connection terminal 30
It is easier to the slide-in of connection terminal 30.
The connection method of board 10 and backboard 20 provided in this embodiment, comprising: utilize the circlip of above-mentioned connection terminal 30
32 the step of being connect with board 10；By the board 10 with connection terminal 30 with the side directed downwardly of punching press head 31 of connection terminal 30
Formula is pressed into the via hole 21 of backboard 20, makes the step of board 10 Yu 20 fixing assembling of backboard with the engaging of via hole 21 by circlip 32
Suddenly.
The connection method of above-mentioned board 10 Yu backboard 20, board 10 are paid using the above-mentioned lock of connection terminal 30 in backboard 20
On, when board 10 and backboard 20 assemble, it is only necessary to connection terminal 30 on board 10 are pressed into backboard 20, relative to tradition
Locked screw mode, high production efficiency, save human cost.
In the present embodiment, it first passes through and connection terminal 30 is such as passed through into SMT (Surface Mount Technology, table
Face package technique) machine insertion board 10 in connect with board 10；Then the board 10 for being connected with connection terminal 30 is sent into tin furnace
In, by connecting the two sufficiently with the junction scolding tin of board 10 in connection terminal 30；Connecting pin will be had by jig again
The board 10 of son 30 is pressed into the via hole 21 of backboard 20.In this way, after the junction of connection terminal 30 and board 10 melting scolding tin,
Board 10 and the conduction of backboard 20 are higher, and Electro Magnetic Compatibility is more preferable.
Only described above is presently preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. the connection structure of board and backboard in a kind of display equipment, which is characterized in that the display equipment includes for distinguishing
The conductive connection terminal being electrically connected with the board and the backboard；The connection terminal includes punching press head, the back
The via hole passed through for the punching press head is offered on plate；The connection terminal further includes for engaging with the via hole of the backboard
Multiple circlips, one end of multiple circlips connect with the punching press head, and the other end is connect with the board；It is multiple described
Circumferentially-spaced setting of the circlip on the punching press head；The circlip includes insert-connecting plate, is offered described in confession on the board
The mounting hole of the bottom-up merging of insert-connecting plate is provided with the scolding tin in both coverings gap between the insert-connecting plate and mounting hole.
2. the connection structure of board and backboard in display equipment according to claim 1, which is characterized in that the circlip packet
It includes:
The segmental arc of elasticity, for being pressed against by the inner wall of the via hole when punching press head is slid downwardly into the via hole
Interior elastic deformation, the segmental arc are bent outwardly upwards from the top edge on the punching press head；And
Contact-segment is mutually supported for the inner wall with via hole, and the contact-segment is connected between the segmental arc and the insert-connecting plate.
3. the connection structure of board and backboard in display equipment according to claim 1, which is characterized in that the staking punch
Portion is hollow hemispherical dome structure, and the cross dimensions on the punching press head is not more than the diameter of the via hole.
4. the connection structure of board and backboard in display equipment according to claim 1, which is characterized in that the circlip
Quantity is four, the center spaced set on punching press head described in four clamp spring wounds.
5. the connection structure of board and backboard in display equipment according to claim 1, which is characterized in that on the backboard
Be convexly equipped with Long Bao corresponding with connection terminal, the Long Bao be used to support the cover portion of board and be connected to the cover portion and backboard it
Between wall portion；The top surface of the cover portion is recessed forms the via hole downwards.
6. the connection structure of board and backboard in display equipment according to claim 5, which is characterized in that the cover portion
Chamfering structure is formed in the edge of the via hole on top surface.
7. the connection method of a kind of board and backboard characterized by comprising
The step of mounting hole being placed on board bottom-up using the insert-connecting plate on the circlip of connection terminal；
After insert-connecting plate merging mounting hole on the circlip, board is sent into tin furnace, and between insert-connecting plate and mounting hole
Gap melts the step of scolding tin；
Board with connection terminal is pressed into the mistake of backboard after melting scolding tin in such a way that the punching press head of connection terminal is directed downwardly
The step of Kong Zhong, the engaging by circlip with via hole makes board and backboard fixing assembling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611035137.6A CN106374248B (en) | 2016-11-18 | 2016-11-18 | Show the connection structure and connection method of board and backboard in equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611035137.6A CN106374248B (en) | 2016-11-18 | 2016-11-18 | Show the connection structure and connection method of board and backboard in equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106374248A CN106374248A (en) | 2017-02-01 |
| CN106374248B true CN106374248B (en) | 2019-01-18 |
Family
ID=57891588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611035137.6A Active CN106374248B (en) | 2016-11-18 | 2016-11-18 | Show the connection structure and connection method of board and backboard in equipment |
Country Status (1)
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| CN (1) | CN106374248B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW313332U (en) * | 1996-12-14 | 1997-08-11 | Hon Hai Prec Ind Co Ltd | Multiple input/output antenna structure |
| JP2002094263A (en) * | 2000-09-11 | 2002-03-29 | Denso Corp | Assembling structure of rigid printed circuit board |
| CN2862605Y (en) * | 2005-12-10 | 2007-01-24 | 群康科技(深圳)有限公司 | Electric device with grounding structure |
| CN201797679U (en) * | 2010-08-26 | 2011-04-13 | 张方荣 | Positioning base for circuit boards |
| CN202551569U (en) * | 2012-04-13 | 2012-11-21 | 康扬塑胶(东莞)有限公司 | Spacer support for printed circuit board |
| CN204462598U (en) * | 2015-03-20 | 2015-07-08 | 昆山龙腾光电有限公司 | Circuit board fixation structure and liquid crystal indicator |
| CN206282994U (en) * | 2016-11-18 | 2017-06-27 | 合肥惠科金扬科技有限公司 | The attachment structure of board and backboard in display device |
-
2016
- 2016-11-18 CN CN201611035137.6A patent/CN106374248B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW313332U (en) * | 1996-12-14 | 1997-08-11 | Hon Hai Prec Ind Co Ltd | Multiple input/output antenna structure |
| JP2002094263A (en) * | 2000-09-11 | 2002-03-29 | Denso Corp | Assembling structure of rigid printed circuit board |
| CN2862605Y (en) * | 2005-12-10 | 2007-01-24 | 群康科技(深圳)有限公司 | Electric device with grounding structure |
| CN201797679U (en) * | 2010-08-26 | 2011-04-13 | 张方荣 | Positioning base for circuit boards |
| CN202551569U (en) * | 2012-04-13 | 2012-11-21 | 康扬塑胶(东莞)有限公司 | Spacer support for printed circuit board |
| CN204462598U (en) * | 2015-03-20 | 2015-07-08 | 昆山龙腾光电有限公司 | Circuit board fixation structure and liquid crystal indicator |
| CN206282994U (en) * | 2016-11-18 | 2017-06-27 | 合肥惠科金扬科技有限公司 | The attachment structure of board and backboard in display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106374248A (en) | 2017-02-01 |
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