CN202799385U - Printed circuit board (PCB) with fool-proof positioning holes - Google Patents
Printed circuit board (PCB) with fool-proof positioning holes Download PDFInfo
- Publication number
- CN202799385U CN202799385U CN 201220498203 CN201220498203U CN202799385U CN 202799385 U CN202799385 U CN 202799385U CN 201220498203 CN201220498203 CN 201220498203 CN 201220498203 U CN201220498203 U CN 201220498203U CN 202799385 U CN202799385 U CN 202799385U
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- China
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- value
- location hole
- pcb
- pcb board
- location
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- 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 - Lifetime
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Abstract
The utility model relates to the technical field of printed circuit boards (PCBs), in particular to a PCB with fool-proof positioning holes. The PCB with the fool-proof positioning holes comprises a rectangular board body and the positioning holes respectively arranged on four corners of the board body and is characterized in that the X value of at least one positioning hole is unequal to that of any other positioning hole, or the Y value of the at least one positioning hole is unequal to that of any other positioning hole, the X value is the distance between a straight line formed by the positioning hole center and the board body and one edge of the corresponding angle of the straight line, and the Y value is the distance between the straight line formed by the positioning hole center and the board body and the other edge of the corresponding angle of the straight line. When the PCB is installed, the X value and/or the Y value of at least one positioning hole are/is larger than or smaller than those/that of the any other positioning hole, namely the positioning holes of the PCB are asymmetric along the center of the PCB, so that a positioning plate cannot be installed if the positioning plate is reversely placed, and reverse PCB installation is avoided.
Description
Technical field
The utility model relates to the pcb board technical field, refers to especially a kind of pcb board with fool proof location hole.
Background technology
Nowadays, pcb board (printed circuit board) can greatly reduce the mistake of wiring and assembling, is parts indispensable in the electric equipment products, and in order on the electric equipment products pcb board to be installed accurately again, generally can location hole be set at pcb board.
At present, the pcb board mounting process mainly adopts symmetrical expression that location (rectangle placement positioning hole) is installed, adopt the symmetrical expression method that four mounting-positioning holes are placed four angles of pcb board, can position pcb board easily like this and effectively fix, but its defective is, when installing, pcb board is difficult to the positive and negative installation of difference, PCB makes mistakes when installing easily, from and cause installation effectiveness low, the waste production time, and be difficult to find after putting anti-installation, can hide quality problem in process of production, cause defect rate higher.Simultaneously, because PCB is integrated more and more higher at present, position, same hole is used in mounting-positioning holes and ICT test position fix hole, PCB also might place anti-by the ICT test, the IQC tester will cause PCB to damage when pressing the machine test like this, also wastes material cost, cost of labor.
Summary of the invention
The purpose of this utility model is to avoid above-mentioned weak point of the prior art and provides a kind of to have the fool proof location hole and put when mounted anti-pcb board effectively to prevent pcb board.
The purpose of this utility model is achieved through the following technical solutions:
A kind of pcb board with fool proof location hole is provided, comprise the plate body of rectangle and the location hole that is arranged at respectively four angles of plate body, have at least the X value of a location hole to be not equal to the X value of other arbitrary location holes, perhaps the Y value of this location hole is not equal to the Y value of other arbitrary location holes, described X value is the location hole center to the plate body and wherein on one side the distance of its corresponding angles, and described Y value is the location hole center to the plate body and the distance of the another side of its corresponding angles.
Wherein, there is the X value of three location holes to equate in the middle of described four location holes and Y value equates.
Wherein, the X value of described four location holes is all unequal, or the Y value of described four location holes is all unequal.
Wherein, have X value and the Y value of three location holes to be 5mm in the described location hole, the X value of another one location hole is 5mm, and Y value is 8mm.
Wherein, have X value and the Y value of three location holes to be 5mm in the described location hole, X value and the Y value of another one location hole are 8mm.
The beneficial effects of the utility model: the utility model provides a kind of pcb board with fool proof location hole, when pcb board is installed, owing to have at least a location hole X value or Y value to be greater than or less than another location hole, be that the location hole of pcb board is not along the central point of pcb board, therefore if location-plate is put instead then can't location and installation, avoided pcb board to put anti-installation, and then may damage pcb board when having avoided test, also avoided putting anti-installation and affecting product quality owing to pcb board.Judge simply after the fool proof location hole is set simultaneously, need not greatly to have improved the efficient that pcb board is installed by other devices.
Description of drawings
Fig. 1 is the structural representation of the embodiment 1 of a kind of pcb board with fool proof location hole of the utility model.
Embodiment
With the following Examples the utility model is further described.
Embodiment 1
The utility model is a kind of to have one of the embodiment of the pcb board of fool proof location hole, as shown in Figure 1, comprise: the plate body 1 of rectangle and the location hole 21 that is arranged at respectively 1 four angles of plate body, 22,23,24, have at least the X value of a location hole 21 to be not equal to other arbitrary location holes 22,23,24 X value, perhaps the Y value of this location hole 21 is not equal to other arbitrary location holes 22,23,24 Y value, described X value is location hole 21,22,23,24 centers to the plate body 1 with wherein on one side the distance of its corresponding angles, described Y value is location hole 21,22,23,24 centers to the plate body 1 with the distance of the another side of its corresponding angles.When pcb board is installed, since have at least a location hole 21 X value and/or Y value be greater than or less than other arbitrary location holes 22,23,24, be that the location hole 21,22,23,24 of pcb board is not along the central point of pcb board, therefore if location-plate is put instead then can't location and installation, avoided pcb board to put anti-installation, and then may damage pcb board when having avoided test, also avoided putting anti-installation and affecting product quality owing to pcb board.Fool proof location hole 21,22,23 is set simultaneously, 24 rear judgements are simple, need not greatly to have improved the efficient that pcb board is installed by other devices.
Wherein, there are three location holes 22,23,24 X value to equate in the middle of described four location holes 21,22,23,24 and Y value equates.Will be wherein three location holes 22,23,24 be set to along the pcb board central point, only have a location hole 21 asymmetric, so pcb board is convenient to design processing and is installed when reaching fool proof.
Wherein, have three location holes 22,23,24 X value and Y value to be 5mm in the described location hole 2, the X value of another one location hole 21 is 5mm, and Y value is 8mm.X value and Y value are 5mm or 8mm in the present embodiment, this numerical value can effectively guarantee the fastness that pcb board is installed and not affect the performance of pcb board, and the Y value that a location hole 21 is wherein only arranged is 8mm, this location hole 21 and other location holes 22,23,24 asymmetric can effectively reach the purpose of fool proof.Certainly, according to the size of actual pcb board, described X value and Y value can also be worth for other, as long as effectively fixing pcb board.
Embodiment 2
The utility model is a kind of have the fool proof location hole pcb board embodiment two, the main technical schemes of present embodiment is identical with embodiment 1, unaccounted feature adopts the explanation among the embodiment 1 in the present embodiment, no longer gives unnecessary details at this.The difference of present embodiment and embodiment 1 is have X value and the Y value of three location holes to be 5mm in the described location hole, and X value and the Y value of another one location hole are 8mm.When can realizing the fool proof purpose equally again, this execution mode effectively guarantees the fastness that pcb board is installed
Embodiment 3
The utility model is a kind of have the fool proof location hole pcb board embodiment three, the main technical schemes of present embodiment is identical with embodiment 1, unaccounted feature adopts the explanation among the embodiment 1 in the present embodiment, no longer gives unnecessary details at this.The difference of present embodiment and embodiment 1 is that the X value of described four location holes is all unequal, or the Y value of described four location holes is all unequal.Because X value or the Y value of each location hole are all unequal, so four location 2 are all symmetrical, effectively reach stupefied purpose.
Should be noted that at last; above embodiment is only in order to illustrate the technical solution of the utility model; but not to the restriction of the utility model protection range; although with reference to preferred embodiment the utility model has been done to explain; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from essence and the scope of technical solutions of the utility model.
Claims (5)
1. pcb board with fool proof location hole, comprise the plate body of rectangle and the location hole that is arranged at respectively four angles of plate body, it is characterized in that: have at least the X value of a location hole to be not equal to the X value of other arbitrary location holes, perhaps the Y value of this location hole is not equal to the Y value of other arbitrary location holes, described X value is the location hole center to the plate body and wherein on one side the distance of its corresponding angles, and described Y value is the location hole center to the plate body and the distance of the another side of its corresponding angles.
2. a kind of pcb board with fool proof location hole as claimed in claim 1 is characterized in that: have the X value of three location holes to equate in the middle of described four location holes and Y value equates.
3. a kind of pcb board with fool proof location hole as claimed in claim 1, it is characterized in that: the X value of described four location holes is all unequal, or the Y value of described four location holes is all unequal.
4. a kind of pcb board with fool proof location hole as claimed in claim 1, it is characterized in that: have X value and the Y value of three location holes to be 5mm in the described location hole, the X value of another one location hole is 5mm, and Y value is 8mm.
5. a kind of pcb board with fool proof location hole as claimed in claim 1, it is characterized in that: have X value and the Y value of three location holes to be 5mm in the described location hole, X value and the Y value of another one location hole are 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220498203 CN202799385U (en) | 2012-09-27 | 2012-09-27 | Printed circuit board (PCB) with fool-proof positioning holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220498203 CN202799385U (en) | 2012-09-27 | 2012-09-27 | Printed circuit board (PCB) with fool-proof positioning holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202799385U true CN202799385U (en) | 2013-03-13 |
Family
ID=47826549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220498203 Expired - Lifetime CN202799385U (en) | 2012-09-27 | 2012-09-27 | Printed circuit board (PCB) with fool-proof positioning holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202799385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107231751A (en) * | 2017-04-28 | 2017-10-03 | 东莞塘厦裕华电路板有限公司 | The preparation method and mould of a kind of strip aluminium base |
-
2012
- 2012-09-27 CN CN 201220498203 patent/CN202799385U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107231751A (en) * | 2017-04-28 | 2017-10-03 | 东莞塘厦裕华电路板有限公司 | The preparation method and mould of a kind of strip aluminium base |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |