CN1697599A - Method for fixing circuit board - Google Patents
Method for fixing circuit board Download PDFInfo
- Publication number
- CN1697599A CN1697599A CN 200510011559 CN200510011559A CN1697599A CN 1697599 A CN1697599 A CN 1697599A CN 200510011559 CN200510011559 CN 200510011559 CN 200510011559 A CN200510011559 A CN 200510011559A CN 1697599 A CN1697599 A CN 1697599A
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- CN
- China
- Prior art keywords
- circuit board
- elastic arm
- button
- location hole
- positioning body
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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.)
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- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
Being matched to circuit board, slots are setup at two sidewalls of case for accommodating the circuit board. The said circuit boards are inserted on and connected to the slots. Characters are that a fastening clip is setup at an insertion edge of circuit board or two pieces of fastening clips are setup at insertion edges of circuit board. Elastic arm is at side face of the fastening clip. There are locating holes on sidewall of the case for accommodating elastic arms. Through elastic arms being fastened on the locating holes, the circuit board is fixed on the case. Advantages are: reasonable fixing method, easy of operation, and convenient to disassemble circuit board.
Description
Technical field
The present invention relates to a kind of method that is connected and fixed, especially relate to a kind of method of fixing circuit board.
Background technology
Circuit board is used more and more widely in people's life, working and learning.The method that is connected and fixed the connection of employing screw of circuit board was in order to fixing circuit board in the past, but, adopt the screw circuit board, can appear at repeatedly in the unloading process inevitably, screw becomes loosening with cooperating of screw hole, thereby influence the fixing of circuit board, make circuit board reduce the shock resistance and the reliability of complete machine because can not fixedly secure.
In order to overcome above-mentioned defective, people have invented a kind of new method for fixing circuit.This method is limited in circuit board in the conduit for adopting channel structure, conduit is separately positioned on the two side of housing of ccontaining circuit board, circuit board in the conduit can only move freely in one direction, the outer end sidewall of conduit is provided with button and holds body, button is held body one distal process and is gone out as pressing plate to fix circuit board in the conduit, hold at this button and to be provided with pivot in the body, button is held body can be around this pivot rotation, it is a projection that button is held the body bottom, holding body when button rotates to when vertical with conduit, projection is locking state, and pressing plate is withheld tightly on circuit board, and circuit board firmly is fixed in the conduit; Hold body when button and rotate to when parallel with conduit, projection withdraws from locking state, and pressing plate separates with circuit board, and can take out circuit board this moment easily.Though the method for this fixing circuit board has solved the problem of dismounting circuit board, but owing to adopt projection, pivot structure, make-up is held the apparatus structure requirement very high precision, in addition, when projection is locking state, pivot will be subjected to very big shearing force, but be subjected to the restriction of structure space, the pivot size can not be done very big, so pivot fracture or distortion take place this device for fastening easily, thereby cause the inefficacy of entire circuit plate device for fastening.
Summary of the invention
In order to address the above problem, the invention provides a kind of method of fixing circuit board simple in structure, reasonable in design newly.
Technical scheme of the present invention is as follows:
A kind of method of fixing circuit board, all correspondence is provided with the conduit that is complementary with described circuit board on the housing two side of ccontaining circuit board, described circuit board is plugged in the described conduit, it is characterized in that: in described circuit board two plug sides, wherein be provided with on one side hold son or both sides of button and be provided with button that holds, described button that holds is provided with elastic arm, described housing sidewall is provided with the location hole of ccontaining described elastic arm, and described circuit board is held in the location hole by elastic arm and fixes with housing.
Described button holds, and a sub side is provided with elastic arm or its both sides are provided with elastic arm.
Described elastic arm has certain inclination angle towards sidewall and also can be held in the location hole naturally.
Described elastic arm front end is provided with positioning body, and described positioning body can be fastened in the location hole naturally, and described circuit board is fastened in the location hole by positioning body and fixes with housing.
Described positioning body lower edge has the curved profile of evagination, the positioning body upper limb be perpendicular to or slightly perpendicular to the plane of sidewall.
The curved profile of described evagination is wedge profile or circular arc profile.
Described circuit board both sides are provided with depression, and the described button two ends that hold are provided with and the suitable holding tank of described depression, and described button that holds matches with depression by holding tank and closely is connected with circuit board.
Described depression is outside bigger trapeze cut, and described holding tank is and the suitable straight trough of described breach.
In technical solution of the present invention, owing to adopt the button have elastic arm that holds to be fixed on the circuit board one or both sides, housing sidewall is provided with the conduit suitable with circuit board, also be provided with location hole on the housing sidewall, circuit board inserts in the conduit, button holds elastic arm on the son owing to the active force that is subjected to sidewall keeps certain elastic force, when elastic arm arrives position of positioning hole, elastic arm is under the effect of elastic force, automatically snap in the location hole, at this moment, conduit, the common restricting circuits plate of housing sidewall and location hole moves to any direction, so circuit board is fixed in the housing.For the technical program, not only the circuit board fixing operation is very easy, and because elastic arm only is subjected to the radial load effect, makes the technical program have good stress, can improve the working life of whole device.
In order to make elastic arm can cooperate better with location hole, the present invention also is provided with positioning body at the front end of elastic arm, and described positioning body is the projection on outstanding elastic arm surface.For fear of when the mounting circuit boards, positioning body and the interference of housing sidewall top are designed to its lower edge the curved profile of evagination; After positioning body embeds location hole, can not deviate from location hole automatically and can not cause obstacle again simultaneously in order to guarantee positioning body the dismounting circuit board, then its upper limb is designed to perpendicular to or slightly perpendicular to the plane of housing sidewall.
When needs dismounting circuit board, only need along location hole positioning body be released in the housing sidewall outside, can easily extract circuit board out housing, finish unloading process.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is for detaining the minor structure schematic diagram that holds.
Reference numeral lists as follows:
The 1-housing, the 2-circuit board, the 3-sidewall, the 4-conduit, the 5-inside sidewalls, 6-detains the son that holds, 7-cramping body, 8-connector, 9-elastic arm, 10-location hole, 11-positioning body, 12-holding tank.
Embodiment
With reference to Fig. 1 the present invention is further described.
As shown in Figure 1; housing 1 is the frame structure of inner ccontaining circuit board 2, and it both can be the closed frame that impales on four sides, also can be for having only the open frames of two sidewalls 3 that are provided with in opposite directions; closed frame helps protective circuit plate 2, and open frame helps circuit board 2 heat radiations.
Correspondence is provided with one or more pairs of conduits 4 on two inside sidewalls 5, each conduit 4 other location hole 10 that all are provided with.Conduit 4 can adopt integrative-structures with sidewall 3, also can adopt split-type structural, is fixedly connected on the sidewall 3 by screw or riveted joint or welding or other connected mode.Every pair of conduit 4 all can a ccontaining circuit board.So just the polylith circuit board can be installed concentratedly in housing 1.
The both sides of circuit board 2 respectively are distributed with a square breach, cramping body 7 is inlayed by holding tank 12 and is installed in the breach, and this breach be shaped as gradually in contract trapezoidal, the size between the holding tank 12 and the inner edge of breach are of a size of interference fit, so cramping body 7 cooperates very close and firm with the installation of circuit board 2.The degree of depth of breach should be greater than the width of cramping body 7, to guarantee that circuit board 2 in installation process, can not interfere with conduit 4 because cramping body 7 exceeds the lateral margin of circuit board 2.
With being housed, inserts by the circuit board 2 of detaining the son 6 that holds along conduit 4.Elastic arm 9 links to each other with cramping body 7 by connector 8, elastic arm 9 tilts to sidewall 3 directions, under the effect of sidewall 3, elastic arm 9 produces elastic yield and tightly withstands on the sidewall, when circuit board 2 arrives desired location, positioning body 11 on it arrives simultaneously and snaps in the location hole 10, and this moment, circuit board 2 firmly was connected with housing 1.
The lower edge of positioning body 11 is the wedge profile of evagination, as shown in Figure 2.In installation process, can avoid by the retardance of sidewall 3 tops, thereby make installation to finish smoothly like this.Its lower edge can also be made other evagination form, as circular arc, broken line shape etc.The upper limb of positioning body 11 generally adopts form of straight lines, and when positioning body 11 snaps in location hole 10, upper limb can tightly be detained with the upper wall of location hole 10 and hold, thereby avoids circuit board 2 that rollbacks take place.
Be preferred implementation of the present invention only below, be noted that for a person skilled in the art, according to spirit of the present invention and essence, can also make a lot of distortion and improvement, but these all will fall into protection scope of the present invention.
Claims (8)
1. the method for a fixing circuit board, all correspondence is provided with the conduit that is complementary with described circuit board on the housing two side of ccontaining circuit board, described circuit board is plugged in the described conduit, it is characterized in that: in described circuit board two plug sides, wherein be provided with on one side hold son or both sides of button and be provided with button that holds, the described button side that holds is provided with elastic arm, described housing sidewall is provided with the location hole of ccontaining described elastic arm, and described circuit board is held in the location hole by elastic arm and fixes with housing.
2. the method for a kind of fixing circuit board as claimed in claim 1, it is characterized in that: described button holds, and a sub side is provided with elastic arm or its both sides are provided with elastic arm.
3. the method for a kind of fixing circuit board as claimed in claim 2 is characterized in that: described elastic arm has certain inclination angle and can be held in the location hole naturally towards sidewall.
4. the method for a kind of fixing circuit board as claimed in claim 3, it is characterized in that: described elastic arm front end is provided with positioning body, and described positioning body can be fastened in the location hole naturally, and described circuit board is fastened in the location hole by positioning body and fixes with housing.
5. the method for a kind of fixing circuit board as claimed in claim 4, it is characterized in that: described positioning body lower edge has the curved profile of evagination, the positioning body upper limb be perpendicular to or slightly perpendicular to the plane of sidewall.
6. the method for a kind of fixing circuit board as claimed in claim 5, it is characterized in that: the curved profile of described evagination is wedge profile or circular arc profile.
7. the method for a kind of fixing circuit board as claimed in claim 6, it is characterized in that: described circuit board both sides are provided with depression, the described button two ends that hold are provided with and the suitable holding tank of described depression, and described button that holds matches with depression by holding tank and closely is connected with circuit board.
8. the method for a kind of fixing circuit board as claimed in claim 7 is characterized in that: described depression is outside bigger trapeze cut, and described holding tank is and the suitable straight trough of described breach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100115595A CN100433957C (en) | 2005-04-13 | 2005-04-13 | Method for fixing circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100115595A CN100433957C (en) | 2005-04-13 | 2005-04-13 | Method for fixing circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1697599A true CN1697599A (en) | 2005-11-16 |
| CN100433957C CN100433957C (en) | 2008-11-12 |
Family
ID=35350068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100115595A Expired - Fee Related CN100433957C (en) | 2005-04-13 | 2005-04-13 | Method for fixing circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100433957C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103099463A (en) * | 2012-11-30 | 2013-05-15 | 青岛汤米贝尔家居有限公司 | Wood plate inserting structure and processing method of baby dining chair and inserting plate |
| US8537556B2 (en) | 2008-04-11 | 2013-09-17 | Siemens Aktiengesellschaft | Holding apparatus |
| CN103857245A (en) * | 2012-12-04 | 2014-06-11 | 鸿富锦精密工业（深圳）有限公司 | Circuit board fixing device |
| CN103857244A (en) * | 2012-12-04 | 2014-06-11 | 鸿富锦精密工业（深圳）有限公司 | Circuit board fixing device |
| CN104125739A (en) * | 2013-04-24 | 2014-10-29 | 鸿富锦精密电子(天津)有限公司 | Circuit board fixing device |
| CN109714923A (en) * | 2019-02-25 | 2019-05-03 | 深圳市泰和安科技有限公司 | Communication subrack |
| CN110972434A (en) * | 2019-10-30 | 2020-04-07 | 河南智业科技发展有限公司 | Data acquisition card for intelligent manufacturing system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2294511Y (en) * | 1997-06-11 | 1998-10-14 | 廖村淇 | Wide-angle drum rack |
| CN2351783Y (en) * | 1998-07-24 | 1999-12-01 | 东莞骅国电子有限公司 | Vertical central processor fixer |
| CN2357356Y (en) * | 1998-10-23 | 2000-01-05 | 东莞骅国电子有限公司 | Vertical central processing unit holder |
| CN2627670Y (en) * | 2003-06-05 | 2004-07-21 | 纬创资通股份有限公司 | Fixing device of electronic equipment interface card |
-
2005
- 2005-04-13 CN CNB2005100115595A patent/CN100433957C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8537556B2 (en) | 2008-04-11 | 2013-09-17 | Siemens Aktiengesellschaft | Holding apparatus |
| CN103099463A (en) * | 2012-11-30 | 2013-05-15 | 青岛汤米贝尔家居有限公司 | Wood plate inserting structure and processing method of baby dining chair and inserting plate |
| CN103857245A (en) * | 2012-12-04 | 2014-06-11 | 鸿富锦精密工业（深圳）有限公司 | Circuit board fixing device |
| CN103857244A (en) * | 2012-12-04 | 2014-06-11 | 鸿富锦精密工业（深圳）有限公司 | Circuit board fixing device |
| CN104125739A (en) * | 2013-04-24 | 2014-10-29 | 鸿富锦精密电子(天津)有限公司 | Circuit board fixing device |
| CN109714923A (en) * | 2019-02-25 | 2019-05-03 | 深圳市泰和安科技有限公司 | Communication subrack |
| CN109714923B (en) * | 2019-02-25 | 2024-04-26 | 深圳市泰和安科技有限公司 | Communication plug-in box |
| CN110972434A (en) * | 2019-10-30 | 2020-04-07 | 河南智业科技发展有限公司 | Data acquisition card for intelligent manufacturing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100433957C (en) | 2008-11-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081112 Termination date: 20180413 |