CN203859935U - Pcb - Google Patents
Pcb Download PDFInfo
- Publication number
- CN203859935U CN203859935U CN201420249709.0U CN201420249709U CN203859935U CN 203859935 U CN203859935 U CN 203859935U CN 201420249709 U CN201420249709 U CN 201420249709U CN 203859935 U CN203859935 U CN 203859935U
- Authority
- CN
- China
- Prior art keywords
- groove
- adjacent
- pcb board
- width
- 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.)
- Expired - Fee Related
Links
Landscapes
- Structure Of Printed Boards (AREA)
Abstract
The utility model relates to a PCB. The PCB comprises more than two daughterboards and more than two sideboards, wherein a first groove is disposed at a connection position of two adjacent daughterboards, second grooves are disposed at connection positions of the daughterboards and the sideboards, more than two round holes are opened on the first groove, and more than two round holes are opened on each second groove, the diameter of the round holes in the first groove is 0.4 mm smaller than the width of the first groove, and the diameter of the round holes in the second groove is 0.4 mm smaller than the width of the second groove, and the center distance of two adjacent round holes is 5 mm. With the PCB, the edge brakeage problem due to big pressure applied on the grooves in punching moulding of the PCB is avoided.
Description
Technical field
The utility model relates to PCB and manufactures field, particularly a kind of pcb board.
Background technology
After pcb board has carried out anti-welding, text printout operation, monoblock pcb board is carried out to moulding and cut apart, to obtain the plank of the desired size and dimension of client.In pcb board manufacturing, pcb board molding mode is mainly divided into CNC moulding and two kinds of modes of stamping moulding.Stamping moulding is because of the higher important way that becomes pcb board moulding of its production efficiency, but in stamping process due to stamping unbalance stress and stressed large, be easy to produce the problem of pcb board groove position chip.
Utility model content
When being to provide a kind of moulding stamping, technical problem to be solved in the utility model can not there is the pcb board of chip.
In order to solve the problems of the technologies described above, the utility model discloses a kind of pcb board, comprise two above daughter boards and two above side plates, the junction of adjacent two daughter boards is provided with the first groove, the junction of described daughter board and side plate is provided with the second groove, on described the first groove and the second groove, offer respectively plural circular hole, be positioned at the diameter of circular hole of the first groove than the little 0.4mm of the width of the first groove, be positioned at the diameter of circular hole of the second groove than the little 0.4mm of the width of the second groove,, the distance of center circle of adjacent two circular holes is from being 5mm.
Further, described the first groove is made up of two the first chase units that are distributed in above the junction of adjacent two daughter boards, and described the second groove is made up of two the second chase units that are distributed in above the junction of daughter board and side plate.。
Further, between adjacent two the first chase units and between adjacent two the second chase units, offer stamp hole.
Further, the stamp hole between adjacent two the first chase units is double stamp hole, and the stamp hole between adjacent two the second chase units is single stamp hole, and described single stamp hole is arranged on the side near daughter board.
Further, the width of described the first groove or the second groove is for being less than or equal to 5mm.
The beneficial effects of the utility model are: in the first groove on pcb board and the second groove, plural circular hole is set respectively, in the time that pcb board carries out stamping moulding, stressed to the first groove or the second groove of a part be can effectively lay down, the first groove or not chip of the second groove made; Simultaneously, be positioned at the diameter of circular hole of the first groove than the little 0.4mm of the width of the first groove, be positioned at the diameter of circular hole of the second groove than the little 0.4mm of the width of the second groove, the distance of center circle of adjacent two circular holes is from being 5mm, the size of circular hole and distance design density are suitable, both can ensure the good power of unloading effect, also can suitably save the required cost of boring.
Brief description of the drawings
Fig. 1 is the structure chart of pcb board of the present utility model.
Label declaration:
1, daughter board; 2, side plate; 31, the first groove; 32, the second groove; 4, circular hole; 51, double stamp hole; 52, single stamp hole.
Embodiment
By describing technology contents of the present utility model, structural feature in detail, being realized object and effect, below in conjunction with execution mode and coordinate accompanying drawing to be explained in detail.
The design of the utility model most critical is: the circular hole 4 at plural a certain size and certain distance interval is set respectively in 32 in the first groove 31 on pcb board and the second groove, thus stressed for the first groove 31 or the second groove 32 of a part can effectively lay down stamping moulding time.
Refer to Fig. 1, the utility model discloses a kind of pcb board, comprise two above daughter boards 1 and two above side plates 2, the junction of adjacent two daughter boards 1 is provided with the first groove 31, described daughter board 1 is provided with the second groove 32 with the junction of side plate 2, on described the first groove 31 and the second groove 32, offer respectively plural circular hole 4, be positioned at the diameter of circular hole 4 of the first groove 31 than the little 0.4mm of the width of the first groove 31, be positioned at the diameter of circular hole 4 of the second groove 32 than the little 0.4mm of the width of the second groove 32, the distance of center circle of adjacent two circular holes 4 is from being 5mm.
From foregoing description, the beneficial effects of the utility model are: by plural circular hole 4 being set respectively in the first groove 31 on pcb board and the second groove 32, in the time that pcb board carries out stamping moulding, stressed for the first groove 31 or the second groove 32 of a part be can effectively lay down, the first groove 31 or not chip of the second groove 32 made; Simultaneously, be positioned at the diameter of circular hole 4 of the first groove 31 than the little 0.4mm of the width of the first groove 31, be positioned at the diameter of circular hole 4 of the second groove 32 than the little 0.4mm of the width of the second groove 32, the distance of center circle of adjacent two circular holes 4 is from being 5mm, the size of this circular hole 4 and distance design density are suitable, both can ensure the good power of unloading effect, also can suitably save the required cost of boring.
Further, described the first groove 31 is made up of two the first chase units that are distributed in above the junction of adjacent two daughter boards 1, and described the second groove 32 is distributed in above daughter board 1 by two and forms with the second chase unit of the junction of side plate 2; The setting of multiple the first chase units or the second chase unit, can be so that pcb board carries out between daughter board 1 after stamping moulding, separating between daughter board 1 and side plate 2.
Further, between adjacent two the first chase units and between adjacent two the second chase units, offer stamp hole, stamp hole between adjacent two the first chase units is double stamp hole 51, stamp hole between adjacent two the second chase units is single stamp hole 52, and described single stamp hole is arranged on the side near daughter board; The setting of stamp hole can be so that pcb board carries out between daughter board 1 after stamping moulding, separating between daughter board 1 and side plate 2.
Further, the width of described the first groove 31 or the second groove 32 is for being less than or equal to 5mm; Size and the distance of the size of this first groove 31 or the second groove 32 and circular hole 4 are equipped with, and can make to unload power better effects if.
In the present embodiment, daughter board 1 is two with the number of side plate 2, and the width of the first groove 31 is identical with the width of the second groove 32, therefore it is identical with the diameter of circular hole 4 that is positioned at the second groove 32 to be positioned at the diameter of circular hole 4 of the first groove 31.
The beneficial effect of the pcb board that in sum, the utility model provides is:
(1) in the first groove 31 on pcb board and the second groove 32, plural circular hole 4 is set respectively, in the time that pcb board carries out stamping moulding, stressed to the first groove 31 or the second groove 32 of a part be can effectively lay down, the first groove 31 or not chip of the second groove 32 made;
(2) diameter of circular hole 4 that is positioned at the first groove 31 is than the little 0.4mm of the width of the first groove 31, be positioned at the diameter of circular hole 4 of the second groove 32 than the little 0.4mm of the width of the second groove 32, the distance of center circle of adjacent two circular holes 4 is from being 5mm, the size of circular hole 4 and distance design density are suitable, both can ensure the good power of unloading effect, also can suitably save the required cost of boring;
(3) two above the first grooves 31 or the setting of the second groove 32 and the setting of double stamp hole 51 or single stamp hole 52 can be so that pcb board carry out between daughter board 1 after stamping moulding, separating between daughter board 1 and side plate 2.
The width of (4) first grooves 31 or the second groove 32, for being less than or equal to 5mm, is equipped with size and the distance of circular hole 4, can make to unload power better effects if.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. a pcb board, comprise two above daughter boards and two above side plates, the junction of adjacent two daughter boards is provided with the first groove, the junction of described daughter board and side plate is provided with the second groove, it is characterized in that: on described the first groove and the second groove, offer respectively plural circular hole, be positioned at the diameter of circular hole of the first groove than the little 0.4mm of the width of the first groove, be positioned at the diameter of circular hole of the second groove than the little 0.4mm of the width of the second groove, the distance of center circle of adjacent two circular holes is from being 5mm.
2. pcb board according to claim 1, it is characterized in that: described the first groove is made up of two the first chase units that are distributed in above the junction of adjacent two daughter boards, described the second groove is made up of two the second chase units that are distributed in above the junction of daughter board and side plate.。
3. pcb board according to claim 2, is characterized in that: between adjacent two the first chase units and between adjacent two the second chase units, offer stamp hole.
4. pcb board according to claim 3, it is characterized in that: the stamp hole between adjacent two the first chase units is double stamp hole, stamp hole between adjacent two the second chase units is single stamp hole, and described single stamp hole is arranged on the side near daughter board.
5. pcb board according to claim 1, is characterized in that: the width of described the first groove or the second groove is for being less than or equal to 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420249709.0U CN203859935U (en) | 2014-05-15 | 2014-05-15 | Pcb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420249709.0U CN203859935U (en) | 2014-05-15 | 2014-05-15 | Pcb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203859935U true CN203859935U (en) | 2014-10-01 |
Family
ID=51609778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420249709.0U Expired - Fee Related CN203859935U (en) | 2014-05-15 | 2014-05-15 | Pcb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203859935U (en) |
-
2014
- 2014-05-15 CN CN201420249709.0U patent/CN203859935U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201797652U (en) | Structure for splicing multiple different types of PCB boards | |
| CN202085408U (en) | Air-guiding base plate used for anti-welding printing for PCB | |
| CN203859935U (en) | Pcb | |
| CN202986149U (en) | Child-mother positioning platen for PCB (printed circuit board) formed gong plate | |
| CN203535967U (en) | Detachment-facilitated housing assembly | |
| CN203407091U (en) | Milling structure for a plurality of base material sheets | |
| CN203279369U (en) | Assembling positioning jig for mobile phone main board | |
| CN201856186U (en) | Assembly fixture | |
| CN203301860U (en) | Circuit board | |
| CN201438782U (en) | Multiple-printed-panel for circuit board | |
| CN201768928U (en) | Cutter row | |
| CN204235627U (en) | A kind of punching die produced for flexible PCB | |
| CN203352936U (en) | Large jointed board having component force holes | |
| CN202617498U (en) | Precise PCB circuit board with positioning holes | |
| CN201988628U (en) | Side board die for outdoor unit of air conditioner | |
| CN203407072U (en) | Circuit board positioning and molding structure | |
| CN203118817U (en) | Inter sheet used for assembling press keys | |
| CN208029180U (en) | A kind of pcs structures on pcb board | |
| CN204090299U (en) | A kind of miaow head wiring board | |
| CN203814052U (en) | Circuit board plugboard frame | |
| CN203664495U (en) | Arc liner plate pressing die assembly | |
| CN201709025U (en) | Stamp type printed circuit board | |
| CN201956335U (en) | Semiconductor chip template structure | |
| CN203062972U (en) | Ceramic-bushing cutting fixing part | |
| CN203470725U (en) | Efficient waste discharge jig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20200515 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |