CN209517627U - A kind of pcb board - Google Patents
A kind of pcb board Download PDFInfo
- Publication number
- CN209517627U CN209517627U CN201920038554.9U CN201920038554U CN209517627U CN 209517627 U CN209517627 U CN 209517627U CN 201920038554 U CN201920038554 U CN 201920038554U CN 209517627 U CN209517627 U CN 209517627U
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- Prior art keywords
- gasket
- pcb board
- screw hole
- solder
- hole
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- 229910000679 solder Inorganic materials 0.000 claims abstract description 44
- 239000000758 substrate Substances 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000009826 distribution Methods 0.000 abstract description 14
- 238000003466 welding Methods 0.000 abstract description 8
- 238000007639 printing Methods 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Landscapes
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The utility model discloses a kind of pcb boards, and wherein pad area includes at least two gaskets and the isolated area between adjacent pads；For being arranged solder, multiple pads are centrosymmetric distribution above-mentioned gasket surface about the center of screw hole.Due to can only be arranged on gasket when solder is arranged, and there are isolated areas can guarantee that solder can come in the uniform drawout of gasket surface when printing and squeezing solder between adjacent pads；Simultaneously because multiple pads are centrosymmetric distribution about the center of screw hole, corresponding solder can be uniformly distributed around screw hole, to guarantee the uniform force of the screw in welding, skew will not occur；And then can guarantee that pcb board will not be crooked in the chassis, guarantee that deviation exception will not occur for the interface in interface and cabinet in pcb board.
Description
Technical field
The utility model relates to PCB technical fields, more particularly to a kind of pcb board.
Background technique
As the continuous progress of science and technology, the structure and manufacture craft of PCB (printed circuit board) have been achieved in recent years
Greatly development.
At this stage in PCB design, almost each pcb board can use screw hole, and the effect of screw hole is mainly used
It is fixed to each other in by pcb board and cabinet.At this stage, a kind of usually used screw has biggish nut, and correspondence is above-mentioned
The surrounding of the screw hole of screw is usually provided with steel plate layer (pastemask), and the steel plate layer surface is for being arranged solder, the solder
The nut of above-mentioned screw and pcb board can be welded.
When in the prior art, using above-mentioned screw and corresponding screw hole, it be easy to cause screw in the welding process
The skew of itself, so that entire pcb board is crooked in the chassis, so as to cause in the interface and cabinet being located in pcb board
Interface deviation is abnormal, and then causes pcb board that can not be mutually matched with cabinet.Pcb board can be prevented askew so how to provide one kind
Oblique screw hole structure is those skilled in the art's urgent problem.
Utility model content
The purpose of the utility model is to provide a kind of pcb board, it is to guarantee that pcb board will not skew when cabinet is fixed.
In order to solve the above technical problems, the utility model provides a kind of pcb board, comprising:
Substrate；It wherein, include at least one layer of stratum in the substrate；
Run through the screw hole of the substrate along the substrate thickness direction；
Annularly surround the pad area of the screw hole；Wherein, the pad area including at least two gaskets and is located at phase
Isolated area between the adjacent gasket；The gasket surface is for being arranged solder, center of the gasket about the screw hole
Be centrosymmetric distribution；
Positioned at the soldier hole of the pad area；Wherein, the soldier hole is connect with the stratum.
Optionally, the gasket is in rectangle, and the extended line of the gasket axis connects the center of circle of the screw hole.
Optionally, the gasket is not less than towards the distance between screw hole side broadside and the screw hole edge
16mil。
Optionally, the gasket is steel disc.
Optionally, the soldier hole is located at the isolated area.
Optionally, be provided with one between the adjacent gasket described in soldier hole.
Optionally, the pad area includes 10 gaskets, and the pcb board includes 10 soldier holes.
A kind of pcb board provided by the utility model, wherein pad area including at least two gaskets and is located at adjacent pads
Between isolated area；For being arranged solder, multiple pads are centrosymmetric distribution above-mentioned gasket surface about the center of screw hole.
Due to can only be arranged on gasket when solder is arranged, and can guarantee printing there are isolated area between adjacent pads
And solder can come in the uniform drawout of gasket surface when squeezing solder；Simultaneously because multiple pads are about in screw hole
The heart is centrosymmetric distribution, and corresponding solder can be uniformly distributed around screw hole, to guarantee the stress of the screw in welding
Uniformly, skew will not occur；And then can guarantee that pcb board will not be crooked in the chassis, guarantee in the interface and cabinet in pcb board
Interface will not occur deviation exception.
Detailed description of the invention
For the clearer technical solution for illustrating the utility model embodiment or the prior art, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of pcb board provided by the utility model embodiment；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is a kind of structural schematic diagram of specific pcb board provided by the utility model embodiment.
In figure: 1. substrates, 11. stratum, 2. screw holes, 3. pad areas, 31. gaskets, 32. isolated areas, 4. soldier holes.
Specific embodiment
The core of the utility model is to provide a kind of pcb board.In the prior art, using needing the screw that welds and right
When the screw hole answered, the steel plate layer for solder to be arranged can fill the pad area of this screw hole, so that in printing solder
When, solder can be paved with the surrounding of screw hole.Since solder has certain tension, when a monolith solder is arranged, it usually can not
It is uniformly sprawled in steel plate layer surface, causes solder printing uneven；The solder of corresponding large area simultaneously, also holds in the welding process
Discontinuity easily occurs, so as to cause the skew of screw, so that entire pcb board is crooked in the chassis, causes to be located in pcb board
Interface and cabinet in interface deviation it is abnormal, and then cause pcb board that can not be mutually matched with cabinet.
And a kind of pcb board provided by the utility model, wherein pad area including at least two gaskets and is located at adjacent pads
Isolated area between piece；For being arranged solder, multiple pads are centrosymmetric point above-mentioned gasket surface about the center of screw hole
Cloth.Due to can only be arranged on gasket when solder is arranged, and can guarantee printing there are isolated area between adjacent pads
Solder can come in the uniform drawout of gasket surface when brush and extruding solder；Simultaneously because multiple pads are about screw hole
Center is centrosymmetric distribution, and corresponding solder can be uniformly distributed around screw hole, thus guarantee in welding screw by
Power is uniform, and skew will not occur；And then can guarantee that pcb board will not be crooked in the chassis, guarantee interface and cabinet in pcb board
In interface will not occur deviation exception.
In order to make those skilled in the art better understand the scheme of the utility model, with reference to the accompanying drawing and specific implementation
The utility model is described in further detail for mode.Obviously, described embodiment is only the utility model a part
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, fall within the protection scope of the utility model.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is a kind of structural schematic diagram of pcb board provided by the utility model embodiment；Fig. 2
For the cross-sectional view of Fig. 1.
Referring to Fig. 1 and Fig. 2, in the utility model embodiment, the pcb board includes substrate 1；Wherein, in the substrate 1
Including at least one layer of stratum 11；Run through the screw hole 2 of the substrate 1 along 1 thickness direction of substrate；Annularly surround the spiral shell
The pad area 3 of wire hole 2；Wherein, the pad area 3 is including at least two gaskets 31 and between the adjacent gasket 31
Isolated area 32；For solder to be arranged, the gasket 31 is centrosymmetric about the center of the screw hole 2 on 31 surface of gasket
Distribution；Positioned at the soldier hole 4 of the pad area 3；Wherein, the soldier hole 4 is connect with the stratum 11.
Aforesaid substrate 1 is the substrate of pcb board, and corresponding signal transmssion line and other electricity are usually provided in substrate 1
Sub- component.Under normal conditions, aforesaid substrate 1 is composite construction, is combined by multi-layered board overlapping.In the utility model reality
It applies in example, substrate 1 includes at least one layer of stratum 11.Above-mentioned stratum 11 is reference layer, when electronic component connects with the stratum 11
When touching, it is equivalent to ground connection.Specific material in relation to aforesaid substrate 1 can sets itself according to the actual situation, no longer carry out herein
It repeats.
Above-mentioned screw hole 2 is generally circular in shape, which needs to run through substrate 1 along 1 thickness direction of substrate, so that
In fixed pcb board, screw can be fixed by screw hole 2 across pcb board.Design parameter in relation to screw hole 2, such as
Aperture etc. can refer to the prior art, no longer be repeated herein.
1 surface of aforesaid substrate is provided with the pad area 3 for annularly surrounding the screw hole 2.Under normal conditions, above-mentioned pad
Area 3 is at circular ring shape.In the utility model embodiment, the pad area 3 includes at least two gaskets 31 and is located at adjacent described
Isolated area 32 between gasket 31.It is mutually isolated between i.e. above-mentioned two gasket 31, there is isolated area between adjacent pads 31
32.It should be noted that the white space that above-mentioned isolated area 32 is mostly just reserved between two gaskets 31.Due in PCB
Plate surface usually requires to be provided with solder mask, and above-mentioned solder mask usually requires to cover above-mentioned isolated area 32, and exposed above-mentioned gasket
31。
In the utility model embodiment, above-mentioned 31 surface of gasket is for being arranged solder.The utility model embodiment is mentioned
The corresponding screw having compared with big nut of screw hole 2 in the pcb board of confession, which usually requires to weld with pcb board, and welds spiral shell
Solder used in cap is arranged on above-mentioned 31 surface of gasket.Above-mentioned gasket 31 is usually steel disc in the utility model embodiment,
The region for being covered with the gasket 31 is commonly referred to as pastemask, i.e. steel plate layer, and the region for being typically covered with gasket 31 is also referred to as tin
Cream protective layer helps layer, steel mesh layer etc..It should be noted that 31 surface of gasket can only be arranged in solder at this stage.In order to
Guarantee that the solder that 31 surface of gasket is arranged in can be uniformly distributed, in the utility model embodiment, the gasket 31 needs to close
It is centrosymmetric distribution in the center of the screw hole 2.Since 31 surface of gasket can be only arranged in solder, gasket 31 is arranged
The center about screw hole 2 be centrosymmetric distribution, it is ensured that solder is evenly distributed in pad area 3.
Under normal conditions, the safe distance for needing to have certain between pad area 3 and screw hole 2 prevents in pad area 3
Setting solder pours into screw hole 2.Under normal conditions, above-mentioned safe distance is not less than 16mil, implements accordingly in the utility model
In example, the gasket 31 is not less than 16mil towards the distance between the 2 side broadside of screw hole and 2 edge of screw hole.
Above-mentioned pad area 3 is additionally provided with soldier hole 4, which can connect with the stratum 11 in aforesaid substrate 1.It is related
The specific used and structure in soldier hole 4 can refer to the prior art, no longer be repeated herein.
A kind of pcb board provided by the utility model embodiment, wherein pad area 3 includes at least two gaskets 31 and position
Isolated area 32 between adjacent pads 31；Above-mentioned 31 surface of gasket is for being arranged solder, and multiple pads 31 are about screw hole 2
Center is centrosymmetric distribution.Due to can only be arranged on gasket 31 when solder is arranged, and stayed between adjacent pads 31
There is isolated area 32 that can guarantee that solder can come in the uniform drawout in 31 surface of gasket when printing and squeezing solder；Simultaneously
Since multiple pads 31 are centrosymmetric distribution about the center of screw hole 2, corresponding solder can uniformly divide around screw hole 2
To guarantee the uniform force of the screw in welding skew will not occur for cloth；And then it can guarantee that pcb board will not be in the chassis
Skew guarantees that deviation exception will not occur for the interface in interface and cabinet in pcb board.
Particular content in relation to pcb board provided by the utility model will be detailed Jie in following utility model embodiments
It continues.
Referring to FIG. 3, Fig. 3 is a kind of structural schematic diagram of specific pcb board provided by the utility model embodiment.
It is different from above-mentioned utility model embodiment, the utility model embodiment is on the basis of above-mentioned utility model embodiment
On, further 2 structure of screw hole in pcb board is specifically limited.Remaining content is in above-mentioned utility model embodiment
It is described in detail, is no longer repeated herein.
Referring to Fig. 3, in the utility model embodiment, the gasket 31 is in rectangle, the extended line of 31 axis of gasket
Connect the center of circle of the screw hole 2.Gasket 31 is shaped to above-mentioned shape in the utility model embodiment, while by
It is centrosymmetric distribution in above-mentioned gasket 31 about the center of the screw hole 2, it is ensured that the weldering on 31 surface of gasket is set
Material can be circumferentially uniformly distributed along pad area 3, so that solder can be made more smooth when welding screw.
Preferably, the soldier hole 4 is located at the isolated area 32 in the utility model embodiment.By soldier hole 4
The isolated area 32 being arranged between adjacent pads 31 can effectively reduce the setting difficulty in soldier hole 4, so that in setting soldier hole 4
When do not need to penetrate gasket 31；Simultaneously because the structural strength of single gasket 31 is usually smaller in the utility model embodiment,
The isolated area 32 between adjacent pads 31, which is arranged in, in soldier hole 4 can be effectively prevented the damage gasket 31 when soldier hole 4 is arranged.
Under normal conditions, soldier described in being provided with one in the utility model embodiment, between the adjacent gasket 31
Hole 4.I.e. above-mentioned gasket 31 is arranged alternately with soldier hole 4, is uniformly distributed in the pad area 3 for surrounding screw hole 2.Specifically,
In the utility model embodiment, 10 gaskets 31 are usually provided with, radial 2 center of direction screw hole of 10 gaskets 31,
And 10 gaskets 31 are centrosymmetric distribution along 2 center of screw hole, the angle between the axis of adjacent pads 31 is usually 36 °,
So that 10 gaskets 31 are uniformly distributed in 2 surrounding of screw hole.In the utility model embodiment, it is further typically provided with 10 soldiers
Hole 4 is provided with a soldier hole 4 between adjacent pads 31, and soldier hole 4 is equally also uniformly distributed in 2 surrounding of screw hole at this time.
Gasket 31 is shaped to the utility model and implemented by a kind of pcb board provided by the utility model embodiment
Shape provided by example, simultaneously because gasket 31 is centrosymmetric distribution about the center of screw hole 2, it is ensured that be arranged and padding
The solder on 31 surface of piece can be circumferentially uniformly distributed along pad area 3, so that can make solder more when welding screw
It is smooth；Soldier hole 4 is set to the isolated area 32 between gasket 31, the setting difficulty in soldier hole 4 can be effectively reduced, so that
It does not need to penetrate gasket 31 when soldier hole 4 is arranged；The damage gasket 31 when soldier hole 4 is arranged can be effectively prevented simultaneously.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
A kind of pcb board provided by the utility model is described in detail above.Specific case used herein
The principles of the present invention and embodiment are expounded, the above embodiments are only used to help understand, and this is practical
Novel method and its core concept.It should be pointed out that for those skilled in the art, not departing from this reality
Under the premise of with new principle, several improvements and modifications can be made to this utility model, these improvement and modification are also fallen into
In the protection scope of the utility model claims.
Claims (7)
1. a kind of pcb board characterized by comprising
Substrate；It wherein, include at least one layer of stratum in the substrate；
Run through the screw hole of the substrate along the substrate thickness direction；
Annularly surround the pad area of the screw hole；Wherein, the pad area including at least two gaskets and is located at adjacent institute
State the isolated area between gasket；The gasket surface is for being arranged solder, during the gasket about the center of the screw hole is in
The heart is symmetrical；
Positioned at the soldier hole of the pad area；Wherein, the soldier hole is connect with the stratum.
2. pcb board according to claim 1, which is characterized in that the gasket is in rectangle, the extended line of the gasket axis
Connect the center of circle of the screw hole.
3. pcb board according to claim 2, which is characterized in that the gasket is towards screw hole side broadside and institute
The distance between screw hole edge is stated not less than 16mil.
4. pcb board according to claim 3, which is characterized in that the gasket is steel disc.
5. according to claim 1 to pcb board described in any one of 4 claims, which is characterized in that the soldier hole is located at described
Isolated area.
6. pcb board according to claim 5, which is characterized in that soldier described in being provided with one between the adjacent gasket
Hole.
7. pcb board according to claim 6, which is characterized in that the pad area includes 10 gaskets, the PCB
Plate includes 10 soldier holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920038554.9U CN209517627U (en) | 2019-01-07 | 2019-01-07 | A kind of pcb board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920038554.9U CN209517627U (en) | 2019-01-07 | 2019-01-07 | A kind of pcb board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209517627U true CN209517627U (en) | 2019-10-18 |
Family
ID=68200199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920038554.9U Active CN209517627U (en) | 2019-01-07 | 2019-01-07 | A kind of pcb board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209517627U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112911794A (en) * | 2021-01-21 | 2021-06-04 | 昆山国显光电有限公司 | Flexible circuit board, display screen and electronic equipment |
-
2019
- 2019-01-07 CN CN201920038554.9U patent/CN209517627U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112911794A (en) * | 2021-01-21 | 2021-06-04 | 昆山国显光电有限公司 | Flexible circuit board, display screen and electronic equipment |
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| GR01 | Patent grant |