CN102413660B - Fixing structure of miniature circuit board, as well as electric device - Google Patents
Fixing structure of miniature circuit board, as well as electric device Download PDFInfo
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- CN102413660B CN102413660B CN201110387454.5A CN201110387454A CN102413660B CN 102413660 B CN102413660 B CN 102413660B CN 201110387454 A CN201110387454 A CN 201110387454A CN 102413660 B CN102413660 B CN 102413660B
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- circuit board
- main body
- fixed structure
- fastener
- guide vane
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Abstract
The invention discloses a fixing structure of a miniature circuit board and an electric circuit. The fixing structure is used for fixing a circuit board in a shell of an electric device; the shell comprises a main body and a fastener, the circuit board can be inserted from an opening formed at one end of the main body, and the fastener can close the opening; and the fixing structure comprises two grooves which are respectively formed on two opposite internal side faces of the main body for the circuit board to be inserted into the main body, as well as first spacing blocks which are arranged on the inner top, inner bottom and/or inner side face of the main body and used for spacing the circuit board in the circuit board inserting direction. The invention also provides an electric device comprising the fixing structure. According to the fixing structure of the miniature circuit board and the electric device provided in the invention, the circuit board can be accurately and firmly fixed in the shell of the electric device conveniently.
Description
Technical field
The present invention relates to technique for fixing, specially refer to a kind of fixed structure and electronic installation of minitype circuit board.
Background technology
Development along with electronic information technology, the application of portable electric appts is more and more wider, and for easy to carry, the volume of portable electric appts is generally very little, and how circuit board convenient in the very little electronic equipment internal of volume, that accurately, be firmly fixed for realizing the various functions of electronic equipment becomes an important problem.
The fixed form of common portable electric appts circuit board mostly is that screw is fixed or screens is fixed in the market.By screw, fix, because needs arrange screw hole on circuit board, thus can make effective layout area of circuit board reduce, and in order to complete necessary Butut, have to strengthen the area of whole circuit board, thus the Miniaturization Design of portable electric appts affected; And employing screw fixation method, in assembling process, must arrange the installation station of screw, increase the cost of labor of assembling.By screens, fix, be subject to the restriction of portable electric appts profile and inner space, screens design relative complex, screens quantity is many, and assembling process, as accidentally caused screens to damage, will cause circuit board fixed position inaccurate or fixing insecure.
Summary of the invention
Main purpose of the present invention, for a kind of fixed structure and electronic installation of minitype circuit board are provided, can accurately firmly be fixed to circuit board in the housing of electronic installation easily.
The present invention proposes a kind of fixed structure of minitype circuit board, and for fixing circuit board, in the housing of electronic installation, described housing comprises that one end is provided with opening the power circuit board main body of inserting and the fastener that seals this opening; Described fixed structure comprises:
Be arranged at respectively two relative medial surfaces of described main body, power circuit board inserts two grooves of main body;
Be arranged at described main body inner top surface, inner bottom surface and/or medial surface, in circuit board direction of insertion, circuit board carried out to the first spacing guide vane end stop.
Preferably, described groove is surrounded by the medial surface that is arranged at the raised line of main body medial surface, the inner top surface of described main body and described main body;
Or described groove is surrounded by the medial surface that is arranged at the raised line of main body medial surface, the inner bottom surface of described main body and described main body.
Preferably, described groove surrounds by being arranged at two parallel raised lines of main body medial surface and the medial surface of described main body.
Preferably, the difference of the height of described groove and the thickness of described circuit board is 0-0.2mm.
Preferably, the difference of the width of the distance between described two grooves and described circuit board is 0-0.2mm.
Preferably, described fastener is provided with the second guide vane end stop, coordinates with described the first guide vane end stop, when fastener fastens, in circuit board direction of insertion, circuit board is fixed.
Preferably, the difference of the length of the distance between described the first guide vane end stop and the second guide vane end stop and described circuit board is 0-0.2mm.
Preferably, also comprise and be arranged at main body inner top surface or inner bottom surface, circuit board is carried out to spacing projection.
Preferably, after described projection end and installation, the distance between circuit board plane is 0-0.2mm.
Preferably, described fastener by polymer adhesive on described main body.
The present invention also proposes a kind of electronic installation, comprises housing and circuit board, and described housing comprises that one end is provided with opening the power circuit board main body of inserting and the fastener that seals this opening; Described housing is also provided with fixed structure, and this fixed structure comprises:
Be arranged at respectively two relative medial surfaces of described main body, power circuit board inserts two grooves of main body;
Be arranged at described main body inner top surface, inner bottom surface and/or medial surface, in circuit board direction of insertion, circuit board carried out to the first spacing guide vane end stop.
Preferably, described groove is surrounded by the medial surface that is arranged at the raised line of main body medial surface, the inner top surface of described main body and described main body;
Or described groove is surrounded by the medial surface that is arranged at the raised line of main body medial surface, the inner bottom surface of described main body and described main body.
Preferably, described groove surrounds by being arranged at two parallel raised lines of main body medial surface and the medial surface of described main body.
Preferably, the difference of the height of described groove and the thickness of described circuit board is 0-0.2mm.
Preferably, the difference of the width of the distance between described two grooves and described circuit board is 0-0.2mm.
Preferably, described fastener is provided with the second guide vane end stop, coordinates with described the first guide vane end stop, when fastener fastens, in circuit board direction of insertion, circuit board is fixed.
Preferably, the difference of the length of the distance between described the first guide vane end stop and the second guide vane end stop and described circuit board is 0-0.2mm.
Preferably, also comprise and be arranged at main body inner top surface or inner bottom surface, circuit board is carried out to spacing projection.
Preferably, after described projection end and installation, the distance between circuit board plane is 0-0.2mm.
Preferably, described fastener snapping or bond in described main body.
The fixed structure of a kind of minitype circuit board provided by the invention and electronic installation, when mounting circuit boards, only circuit board need be inserted to the housing of electronic installation along groove, until described circuit board abuts to the first guide vane end stop, then fastener is fastened, get final product the fixing of completing circuit plate, thereby improved the efficiency of assembling of circuit board.In addition by projection is set, described circuit board is limited in the direction perpendicular to circuit board plane, make the location of circuit board more accurate, install more firm.
Accompanying drawing explanation
Fig. 1 is the assembly schematic diagram of a kind of electronic installation of the present invention;
Fig. 2 is the profile direction schematic diagram of a kind of electronic installation the first embodiment of the present invention;
Fig. 3 is the B-B generalized section of a kind of electronic installation the first embodiment of the present invention;
Fig. 4 is the A-A generalized section of a kind of electronic installation the first embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
With reference to Fig. 1, Figure 1 shows that the assembly schematic diagram of a kind of electronic installation of the present invention, comprise main body 1, circuit board 2 and fastener 3, main body 1 and circuit board 2 form the housing of electronic installation.Wherein, main body 1 is provided with the opening 19 that a power circuit board 2 packs into.Adopt the electronic installation of technical solution of the present invention, when wiring harness plate, only need from opening 19, pack circuit board 2 into main body 1, afterwards fastener 3 is installed to opening 19 places, can completing circuit plate 2 fixing in case of electronic device.
With reference to Fig. 2, Figure 2 shows that the profile direction schematic diagram of a kind of electronic installation the first embodiment of the present invention, be the clear the present invention of description, to the main body 1 of electronic installation and fastener 3 in conjunction with after structure carried out A-A and B-B both direction carries out cross sectional illustration.
With reference to Fig. 3, Figure 3 shows that the B-B generalized section of a kind of electronic installation the first embodiment of the present invention, as shown in the figure, the main body 1 of this electronic installation comprises one or more projection 11 of the inner top surface 14 that is arranged at main body 1, and the groove 16 that is arranged at respectively 1 two relative medial surfaces 13 of main body.When mounting circuit boards 2, circuit board 2, along groove 16, inserts in main body 1 from opening 19, and therefore two grooves 16 are also carrying out spacing to the circuit board 2 after inserting perpendicular to the direction of circuit board 2 planes when insertion track is provided for circuit board 2.
It will be understood by those skilled in the art that groove 16 can consist of the raised line 12 and the inner top surface 14 that are arranged at medial surface 13, also can consist of two raised lines 12 that are arranged at medial surface 13.By another raised line 12, substitute described inner top surface 14, as long as the distance between two raised lines 12 is identical with the distance of raised line 12 with described inner top surface 14 shown in Fig. 3, its technique effect is identical with the technical scheme shown in Fig. 3.
It will be appreciated by those skilled in the art that, projection 11 is not limited to be arranged at inner bottom surface 18, can also be arranged at inner top surface 14 or be oppositely arranged respectively at inner top surface 14 and inner bottom surface 18, as long as the distance of projection 11 ends and inner bottom surface 18 or the distance between two projection ends meet the required distance of technical scheme described in Fig. 3, can reach identical technique effect.
It with reference to Fig. 4, is the A-A generalized section of electronic installation the first embodiment of the present invention, as shown in the figure, the inner top surface 14 of the main body 1 of electronic installation is provided with the first guide vane end stop 15, and opening 19 inner sides are provided with box 17, fastener 3 comprises the pin thread 32 with box 17 snappings, and the second guide vane end stop 31.Fastener 3 fastens with main body 1 by pin thread 32, box 17.
In circuit board 2 installation processes, when circuit board 2 inserts after main body 1 along groove 16, the first guide vane end stop 15 stops spacing in the direction of insertion of circuit board 2 to circuit board 2.The second guide vane end stop 31 is for being arranged at the spacing block set of fastener 3 one end, after fastener 3 is installed in main body 1, the difference of the distance between described the first guide vane end stop 15 and the second guide vane end stop 31 and the length of described circuit board 2 is L, 0≤L<0.2mm wherein, two guide vane end stops limit circuit board 2 degree of freedom in the longitudinal direction jointly.
It will be appreciated by those skilled in the art that, the projection of the first guide vane end stop 15 is not limited to be arranged on the inner top surface 14 of main body 1, inner bottom surface 18 or the medial surface 13 of main body 1 can also be arranged at, as long as it is identical with the length of circuit board 2 to meet the distance of two guide vane end stop ends, identical technique effect can be reached.
The mounting means that it will be understood by those skilled in the art that fastener 3 is not limited to box and pin mode, can also directly fastener 3 be bonded on opening 19 by adhesive.Preferred embodiment is snapping mode, when fastener for installing 3, only fastener 3 need be aimed to opening 19 and push gently, has also completed the installation of circuit board simultaneously and has fixed
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention 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 invention.
Claims (12)
1. a fixed structure for minitype circuit board, for fixing circuit board, in the housing of electronic installation, described housing comprises that one end is provided with main body that opening power circuit board inserts and the fastener of this opening of sealing; It is characterized in that, described fixed structure comprises:
Be arranged at respectively two relative medial surfaces of described main body, power circuit board inserts two grooves of main body;
Be arranged at described main body inner top surface, inner bottom surface and/or medial surface, in circuit board direction of insertion, circuit board carried out to the first spacing guide vane end stop.
2. fixed structure according to claim 1, is characterized in that, described groove is surrounded by the medial surface that is arranged at the raised line of main body medial surface, the inner top surface of described main body and described main body;
Or described groove is that the medial surface that is arranged at the raised line of main body medial surface, the inner bottom surface of described main body and described main body surrounds.
3. fixed structure according to claim 1, is characterized in that, described groove surrounds by being arranged at two parallel raised lines of main body medial surface and the medial surface of described main body.
4. according to the fixed structure described in any one in claims 1 to 3, it is characterized in that, the difference of the height of described groove and the thickness of described circuit board is 0-0.2mm.
5. according to the fixed structure described in any one in claims 1 to 3, it is characterized in that, the difference of the distance between described two grooves and the width of described circuit board is 0-0.2mm.
6. according to the fixed structure described in any one in claims 1 to 3, it is characterized in that, described fastener is provided with the second guide vane end stop, coordinates with described the first guide vane end stop, when fastener fastens, in circuit board direction of insertion, circuit board is fixed.
7. fixed structure as claimed in claim 6, is characterized in that, the difference of the distance between described the first guide vane end stop and the second guide vane end stop and the length of described circuit board is 0-0.2mm.
8. according to the fixed structure described in any one in claims 1 to 3, it is characterized in that, also comprise and be arranged at main body inner top surface or inner bottom surface, circuit board is carried out to spacing projection.
9. fixed structure as claimed in claim 8, is characterized in that, described projection end and the distance of installing between rear circuit board plane are 0-0.2mm.
10. according to the fixed structure described in any one in claims 1 to 3, it is characterized in that described fastener snapping or bond in described main body.
11. 1 kinds of electronic installations, comprise housing and circuit board, and described housing comprises that one end is provided with opening the power circuit board main body of inserting and the fastener that seals this opening; It is characterized in that, described housing is also provided with fixed structure, and this fixed structure comprises:
Be arranged at respectively two relative medial surfaces of described main body, power circuit board inserts two grooves of main body;
Be arranged at described main body inner top surface, inner bottom surface and/or medial surface, in circuit board direction of insertion, circuit board carried out to the first spacing guide vane end stop.
12. electronic installations as claimed in claim 11, is characterized in that, described fixed structure is the fixed structure described in any one in claim 2 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110387454.5A CN102413660B (en) | 2011-11-29 | 2011-11-29 | Fixing structure of miniature circuit board, as well as electric device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110387454.5A CN102413660B (en) | 2011-11-29 | 2011-11-29 | Fixing structure of miniature circuit board, as well as electric device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102413660A CN102413660A (en) | 2012-04-11 |
| CN102413660B true CN102413660B (en) | 2014-03-05 |
Family
ID=45915403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110387454.5A Active CN102413660B (en) | 2011-11-29 | 2011-11-29 | Fixing structure of miniature circuit board, as well as electric device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102413660B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108337845A (en) * | 2017-12-29 | 2018-07-27 | 重庆市中光电显示技术有限公司 | Circuit board fixing device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM405039U (en) * | 2010-12-24 | 2011-06-01 | Ho E Screw & Hardware Co Ltd | Telescopic USB flash drive with openable or closable fastening ring |
| CN202364512U (en) * | 2011-11-29 | 2012-08-01 | 深圳市文鼎创数据科技有限公司 | Fixing structure and electronic device of small-sized circuit board |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7524198B2 (en) * | 1999-08-04 | 2009-04-28 | Super Talent Electronics, Inc. | Press/push flash drive |
| US7297024B2 (en) * | 2003-09-11 | 2007-11-20 | Super Talent Electronics, Inc. | Universal-serial-bus (USB) flash-memory device with metal wrap formed over plastic housing |
-
2011
- 2011-11-29 CN CN201110387454.5A patent/CN102413660B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM405039U (en) * | 2010-12-24 | 2011-06-01 | Ho E Screw & Hardware Co Ltd | Telescopic USB flash drive with openable or closable fastening ring |
| CN202364512U (en) * | 2011-11-29 | 2012-08-01 | 深圳市文鼎创数据科技有限公司 | Fixing structure and electronic device of small-sized circuit board |
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| Publication number | Publication date |
|---|---|
| CN102413660A (en) | 2012-04-11 |
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