CN105657968B - The connection method of multilayer circuit board - Google Patents
The connection method of multilayer circuit board Download PDFInfo
- Publication number
- CN105657968B CN105657968B CN201610050219.1A CN201610050219A CN105657968B CN 105657968 B CN105657968 B CN 105657968B CN 201610050219 A CN201610050219 A CN 201610050219A CN 105657968 B CN105657968 B CN 105657968B
- Authority
- CN
- China
- Prior art keywords
- boss
- connector
- circuit board
- wiring board
- buckling groove
- 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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/144—Stacked arrangements of planar printed circuit boards
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/04—Assemblies of printed circuits
- H05K2201/041—Stacked PCBs, i.e. having neither an empty space nor mounted components in between
Abstract
Present invention is disclosed a kind of connection method of multilayer circuit board, one connector that can be concatenated from beginning to end for carrying through hole is set, its one end is provided with boss, the recessed limited step to match with boss of the other end, the lower section of boss is provided with the ring-type buckling groove to match with connecting hole on wiring board, first its buckling groove is connected in multiple connecting holes of same wiring board with some contour connectors during assembling, the boss of connector used in lower sandwich circuit board is propped up to the limited step of connector used in upper layer circuit plate correspondence position again, after assembling from level to level, the through hole of the connector concatenated with bolt through each head and the tail, fixed again with nut.The technical program has simple in construction, occupies little space, make connection between the wiring board more firmly, it is close, stable and reliable, ease of assembly and dismounting and cost can be reduced in use, improve production efficiency.
Description
Technical field
The present invention relates to appliance component to patch technical field, and in particular to a kind of connection method of multilayer circuit board.
Background technology
At present, wiring board（Base material is PCB or FPC）Between connection, mainly use Surface Mount original paper or PCB connectors or modeling
Materials and parts are attached.Because the connection reliability of Surface Mount original paper is not high, PCB connectors can take larger installing space, and mould
Materials and parts are inconvenient to fix, and when assembling wiring board, sleeve pipe easily falls down；Or it cannot rely on working of plastics and carry out multilayer circuit board
Between limit for height connect；Centre can not wear screw, and apart from it is small, can not closely connect.Therefore, it is necessary to develop a kind of achievable multilayer wire
Quick, reliable attachment structure between the plate of road, to improve installation effectiveness and installation capability, reduces the production cost of product.
The content of the invention
In view of the defects of above-mentioned prior art is present, the purpose of the present invention is to propose to a kind of connection side of multilayer circuit board
Method, the connection method of the multilayer circuit board make the connection between the wiring board more firm, close, stable and reliable, made
Ease of assembly and dismounting during.
The purpose of the present invention, it will be achieved by the following technical programs：The connection method of multilayer circuit board, a band is set
There is the connector that can be concatenated from beginning to end of through hole, its one end is provided with boss, the recessed limiting stand to match with the boss of the other end
Rank, the lower section of the boss are provided with the ring-type buckling groove to match with connecting hole on wiring board, first with some contour during assembling
Its buckling groove is connected in multiple connecting holes of same wiring board by connector, then by the convex of connector used in lower sandwich circuit board
Platform props up the limited step of connector used in upper layer circuit plate correspondence position, and after assembling from level to level, each head and the tail are passed through with bolt
The through hole of the connector of concatenation, then fixed with nut.
Preferably, shape, position and the size of the boss and the limited step match so that more connector head
When tail concatenates, the boss of lower floor's connector is stably placed within the limited step of last layer connector；Also, the connector is from convex
This one end of platform is additionally provided with axially extending, radially insertion breach, and the limited step of the breach and the connector other end does not connect
It is logical, but the axially extending height of the breach is not less than the height sum of the boss and buckling groove.
Preferably, the main body of the connector is cylinder, the through hole, the boss, the limited step and the card
Access slot is axially symmetric structure, and coaxial with the cylinder.
Preferably, the boss is cylinder, prism, round platform or shuttle table type structure.
Preferably, the boss is the combining structure of end small, broad in the middle " round platform+cylinder " or " terrace with edge+prism ",
Its end is round platform or terrace with edge structure, and the part close to buckling groove is cylinder or prism structure；Wherein, the height of cylinder or prism
Account for the 1/10 to 1/2 of boss total height.
Preferably, the height of the cylinder is 5mm ~ 13mm, and the height of the boss is 1.0mm ~ 1.8mm, the card
The height of access slot is 1.0mm ~ 1.6mm.
Preferably, the diameter of the buckling groove entity part is straight no more than the connecting hole above wiring board to be connected
Footpath, the height of the buckling groove are not less than the thickness of wiring board to be connected.
Preferably, twice of the width of the breach not less than the clamping groove depth.
Preferably, the connector is provided with breach at least one from this one end of boss.
The present invention, its protrusion effect are：The technical program compared with prior art have it is simple in construction, occupy little space,
Make the connection between the wiring board more firm, close, stable and reliable；When especially connecting multilayer circuit board, it can make
Every layer of plastic fastening is fixed on the sandwich circuit board and not fallen out, while multilayer circuit board can be realized with plastic fastening limit for height
Be reliably connected, with being connected ease of assembly in use and dismounting and cost can be reduced, improve production efficiency.
Just accompanying drawing in conjunction with the embodiments below, is described in further detail to the embodiment of the present invention, so that of the invention
Technical scheme is more readily understood, grasped.
Brief description of the drawings
Fig. 1 is the structural representation of connector of the present invention,
Fig. 2 is the structural representation of connector of the present invention,
Fig. 3 is the structural representation of connector superposition of the present invention.
Embodiment
The purpose of the present invention, advantage and feature, will by the non-limitative illustration of preferred embodiment below carry out diagram and
Explain.These embodiments are only the prominent examples using technical solution of the present invention, it is all take equivalent substitution or equivalent transformation and
The technical scheme of formation, all falls within the scope of protection of present invention.
As shown in figure 1, the connection method of multilayer circuit board, sets a connector that can be concatenated from beginning to end for carrying through hole 1, institute
The center of connector described in the up/down perforation of through hole 1 is stated, the design of the through hole 1 is easy to screw to pass through, for more after assembling
Sandwich circuit board positioning is fixed；One end of the connector is provided with boss 2, the other end is recessed match with the boss 2 it is spacing
Step 3, connecting hole is provided with the wiring board, and the lower section of the boss 2 is provided with the ring to match with connecting hole on wiring board
Shape buckling groove 4.
The diameter of the entity part of buckling groove 4 is filling no more than the diameter of the connecting hole above wiring board to be connected
If the diameter of the buckling groove entity part is more than the diameter of the connecting hole above the wiring board to be connected during matching somebody with somebody
Clamping can be caused to go wrong, i.e., the described clamping of buckling groove 4 is less than in the connecting hole；The height of the buckling groove 4 is not less than
The thickness of wiring board to be connected, the design make it that the buckling groove 4 is real with the connecting hole of the wiring board during clamping
Existing perfect matching clamping, if the height of the buckling groove 4 is less than the thickness of the wiring board to be connected, during clamping
Matching clamping can not be just realized, the connector can be caused to tilt or even damage the situation of the connector or the wiring board.
The buckling groove 4 in assembling process the wiring board can be made closely to be connected with the connector so that prevent the connector from
Come off on the wiring board.The height of the buckling groove 4 is 1.0mm ~ 1.6mm, i.e., the thickness range of described wiring board, in this reality
Apply in example, the highly preferred of the buckling groove 4 is 1.4mm.
As shown in Fig. 2 shape, position and the size of the boss 2 and the limited step 3 match, the design causes
When more connector head and the tail concatenate, the boss of lower floor's connector is stably placed within the limited step of last layer connector, is made
Do not fallen out during；Also, the connector is additionally provided with that one axially extending, radially insertion lacks from described this one end of boss 2
Mouthfuls 5, the breach 5 does not connect with the limited step of the connector other end, but the axially extending height of the breach 5 is not less than
The height sum of the boss 2 and the buckling groove 4；The width of the breach 5 is not less than twice of the depth of buckling groove 4.
The connector is provided with breach at least one from described this one end of boss 2, and in the present embodiment, the breach 5 is preferably straight
Breach at one is set on the direction of footpath, in addition to this preferred embodiment, the breach 5 can also circumferentially be uniformly arranged at three or lack everywhere
Mouthful, if so designing, elasticity is more preferable, and is more beneficial for the connecting hole that the boss 2 passes through the wiring board.The breach 5
Design make it that the boss 2 is an elastic construction, the elastic boss structure is easy to be connected to the line in an assembling process
In connecting hole on the plate of road, and because boss 2 described in the presence of the elastic construction is not susceptible to damage in an assembling process.
The main body of the connector is cylinder 6, and the height of the cylinder 6 is 5mm ~ 13mm, in the present embodiment, described
The highly preferred of cylinder 6 is 10mm.The through hole 1, the boss 2, the limited step 3 and the buckling groove 4 are axle
Symmetrical structure, and it is coaxial with the cylinder 6.
The boss 2 is cylinder, prism, round platform or shuttle table type structure, and the purpose from said structure is that end can be one
Plane, the plane so as to concatenate assemble when facilitate bolt or nut to fix.The boss 2 is the " circle that end is small, broad in the middle
The combining structure of platform+cylinder " or " terrace with edge+prism ", its end are round platform or terrace with edge structure, are circle close to the part of buckling groove
Post or prism structure；Wherein, the height of cylinder or prism accounts for the 1/10 to 1/2 of boss total height.The height of the boss 2 is
1.0mm ~ 1.8mm, in the present embodiment, the highly preferred of the boss 2 is 1.4mm, and the end of the boss 2 is round platform or rib
In the connecting hole that the design of platform structure is easy to easily to snap fit onto the wiring board during clamping, the part close to buckling groove is
Cylinder or prism structure can prevent the boss 2 from being dropped from the wiring board, and the boss 2 is conveniently worn in assembling process
Tight and installation.
The limited step 3 is a cylinder, prism, round platform or shuttle table type structure, in the present embodiment, the limited step
3 be a frustum cone structure, and the altitude range of the limited step 3 is to be matched with the boss 2.The design of the limited step 3 makes
The connector registration is obtained, plays a part of " stepping down " during assembling is affixed, it is ensured that accurate-size.The circuit
Upper encloser and lower encioser are arranged with outside plate, the distance between the upper encloser and the lower encioser require very high, between the two
Difference requirement between positive and negative 0.5mm.
First its buckling groove is connected in multiple connecting holes of same wiring board with some contour connectors during assembling,
The boss of connector used in lower sandwich circuit board props up to the limited step of connector used in upper layer circuit plate correspondence position again, one layer
After layer assembling, the through hole of the connector concatenated with bolt through each head and the tail, then fixed with nut.
The connector is buckled on the wiring board, will not fall off in installation process, and neighbouring two pieces of lines
The connector between the plate of road is end to end and coaxial.In a specific embodiment, according to the required affixed wiring board
Spacing select the connector of different height, i.e., the size of described connector can the affixed wiring board as needed
Spacing selects, and the specified gap between any two pieces of wiring boards is fixed by the height of the cylinder 6.
The distance between two pieces of wiring boards are accurately positioned by the connector completely, and multiple connections can be used with layer
Part, and connector used is highly identical, preferably using same connector, the height between two pieces of wiring boards is equal to the company
The height of fitting.During being fixedly connected, the connector and screw and nut cooperation are locked by the wiring board, in this reality
Apply in example, the screw can connect multiple connectors, multiple wiring boards, realize multi-level wiring board or unlimited sandwich circuit board
Stacking connection.
The wiring board is provided with multiple connecting holes to match with the buckling groove, and in this embodiment, the connector has
Have greatly small, the position of the connecting hole is without limitation.The connector is direct injection molding, the connector prioritizing selection
Material is PC（Polycarbonate makrolon）Or there is identical elastic material with PC.
The screw is the securing member commonly used in fixing device, and the screw, which includes one, has externally threaded screw rod,
Positioned at the head of screw rod one end and the packing ring being sheathed on screw rod（Also known as washer）.The screw leads to through the connector
Hole, the packing ring are fastened on one end that screw rod passes through hole so that screw is pre-assembled on connector, and the packing ring is used to prevent institute
Wiring board screw during affixed is stated to come off from through hole.
As shown in figure 3, the attachment structure of multilayer circuit board, including at least two pieces of wiring boards, any two pieces of wiring boards pass through
The connector of different height connects and keeps specified gap, and the connector between any two pieces of wiring boards is end to end and common
Axle, the connector coordinate the wiring board is locked with screw and nut.
In the present embodiment, the wiring board is preferably two pieces of wiring boards, i.e. first piece of wiring board 100 and second piece of circuit
Plate 200, multiple connecting holes are provided with same wiring board,
First its buckling groove is connected in multiple connecting holes of same wiring board with some contour connectors during assembling,
The boss of connector used in lower sandwich circuit board props up to the limited step of connector used in upper layer circuit plate correspondence position again, one layer
After layer assembling, the connector through hole with screw through each the first series connection, then be fixedly connected with nut.As shown in figure 3, first connects
The front of fitting is connected to corresponding to first piece of wiring board 100 in first connecting hole, the first connector with described first piece
The screw penetrates from the through hole of first connector after wiring board clamping well；Second wiring board 200 be provided with
The second connecting hole that second connector matches, the front of the second connector are connected in the connecting hole of second piece of wiring board, institute
When stating the second wiring board and first piece of wiring board and being overlapped, the limited step of first connecting plate connects with described second
The boss of fishplate bar is mutually matched, and then connector coordinates first piece of wiring board and second piece of line with screw and nut
Road plate is locked, realizes superposition.By that analogy, the connector can realize the superposition of multilayer or unlimited sandwich circuit board.
The technical program compared with prior art have it is simple in construction, occupy little space, make the company between the wiring board
Connect more firmly, it is close, stable and reliable, ease of assembly and dismounting and cost can be reduced in use, improve life
Produce efficiency.
The present invention still has numerous embodiments, all technical sides formed using equivalents or equivalent transformation
Case, it is within the scope of the present invention.
Claims (8)
1. the connection method of multilayer circuit board, it is characterised in that：One is set to carry through hole（1）The connector that can be concatenated from beginning to end,
Its one end is provided with boss（2）, the other end is recessed with the boss（2）The limited step to match（3）, the boss（2）Under
Side is provided with the ring-type buckling groove to match with connecting hole on wiring board（4）, first with some contour connector cards during assembling
Access slot is connected in multiple connecting holes of same wiring board, then the boss of connector used in lower sandwich circuit board is propped up into upper layer line
The limited step of connector used in the plate correspondence position of road, after assembling from level to level, the connector of each head and the tail concatenation is passed through with bolt
Through hole, then fixed with nut.
2. the connection method of multilayer circuit board according to claim 1, it is characterised in that：The boss（2）With the limit
Position step（3）Shape, position and size match so that when more connectors head and the tail concatenate, the boss of lower floor's connector is steady
Fixation is within the limited step of last layer connector；Also, the connector is additionally provided with axially extending, radial direction from this one end of boss
The breach of insertion（5）, the breach（5）Do not connected with the limited step of the connector other end, but the breach is axially extending
Height not less than the boss and buckling groove height sum.
3. the connection method of multilayer circuit board according to claim 2, it is characterised in that：The main body of the connector is cylinder
Body（6）, the through hole（1）, the boss（2）, the limited step（3）With the buckling groove（4）It is axially symmetric structure, and
With the cylinder（6）It is coaxial.
4. the connection method of multilayer circuit board according to claim 3, it is characterised in that：The boss（2）For cylinder, rib
Post, round platform or shuttle table type structure.
5. the connection method of multilayer circuit board according to claim 3, it is characterised in that：The boss（2）For end it is small,
The combining structure of " round platform+cylinder " or " terrace with edge+prism " broad in the middle, its end is round platform or terrace with edge structure, close to clamping
The part of groove is cylinder or prism structure；Wherein, the height of cylinder or prism accounts for the 1/10 to 1/2 of boss total height.
6. the connection method of multilayer circuit board according to claim 3, it is characterised in that：The cylinder（6）Height
For 5mm ~ 13mm, the boss（2）Height be the .8mm of 1 .0mm ~ 1, the buckling groove（4）Height for 1 .0mm ~
1 .6mm。
7. the connection method of multilayer circuit board according to claim 3, it is characterised in that：The buckling groove（4）Entity portion
The diameter divided is no more than the diameter of the connecting hole above wiring board to be connected, the buckling groove（4）Height be not less than the company for the treatment of
The thickness of the wiring board connect.
8. the connection method of multilayer circuit board according to claim 3, it is characterised in that：The breach（5）Width not
Less than the buckling groove（4）Twice of depth.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015110130913 | 2015-12-31 | ||
| CN2015211211275 | 2015-12-31 | ||
| CN201511013091 | 2015-12-31 | ||
| CN201521121127 | 2015-12-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105657968A CN105657968A (en) | 2016-06-08 |
| CN105657968B true CN105657968B (en) | 2018-03-06 |
Family
ID=56487917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610050219.1A Active CN105657968B (en) | 2015-12-31 | 2016-01-26 | The connection method of multilayer circuit board |
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| Country | Link |
|---|---|
| CN (1) | CN105657968B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000110809A (en) * | 1998-09-30 | 2000-04-18 | Maruemu Seisakusho:Kk | Connecting device for sheet body |
| CN101188332A (en) * | 2007-12-05 | 2008-05-28 | 北京豪沃尔电子设备有限公司 | Connection method of direct insertion wiring terminal and main circuit board and connection device |
| CN102300403A (en) * | 2011-07-11 | 2011-12-28 | 深圳市华星光电技术有限公司 | Printed circuit board (PCB) connecting structure and connecting method |
| CN204795860U (en) * | 2015-06-05 | 2015-11-18 | 深圳市东迪电路有限公司 | Multilayer flexible line way board connecting block that can cup joint |
| CN204836798U (en) * | 2015-08-21 | 2015-12-02 | 无锡豪帮高科股份有限公司 | Polylith printed circuit board's connection structure |
-
2016
- 2016-01-26 CN CN201610050219.1A patent/CN105657968B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000110809A (en) * | 1998-09-30 | 2000-04-18 | Maruemu Seisakusho:Kk | Connecting device for sheet body |
| CN101188332A (en) * | 2007-12-05 | 2008-05-28 | 北京豪沃尔电子设备有限公司 | Connection method of direct insertion wiring terminal and main circuit board and connection device |
| CN102300403A (en) * | 2011-07-11 | 2011-12-28 | 深圳市华星光电技术有限公司 | Printed circuit board (PCB) connecting structure and connecting method |
| CN204795860U (en) * | 2015-06-05 | 2015-11-18 | 深圳市东迪电路有限公司 | Multilayer flexible line way board connecting block that can cup joint |
| CN204836798U (en) * | 2015-08-21 | 2015-12-02 | 无锡豪帮高科股份有限公司 | Polylith printed circuit board's connection structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105657968A (en) | 2016-06-08 |
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