CN102413660A - 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
- Publication number
- CN102413660A CN102413660A CN2011103874545A CN201110387454A CN102413660A CN 102413660 A CN102413660 A CN 102413660A CN 2011103874545 A CN2011103874545 A CN 2011103874545A CN 201110387454 A CN201110387454 A CN 201110387454A CN 102413660 A CN102413660 A CN 102413660A
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- China
- Prior art keywords
- 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, how to realize that in very little convenient, accurate, firm being fixed for of electronic equipment internal of volume the circuit board of the various functions of electronic equipment becomes an important problem.
Mostly the fixed form of common in the market portable electric appts circuit board is that screw or screens fix.Through screw, because of needs are provided with screw hole on circuit board, thus effective layout area of circuit board is reduced, and have to strengthen the area of entire circuit plate in order to accomplish necessary Butut, thus the miniaturization Design of portable electric appts influenced; And the employing screw fixation method in assembling process, must be provided with the installation station of screw, increases the cost of labor of assembling.Fix through screens, receive the restriction of portable electric appts profile and inner space, screens design relative complex, screens quantity is many, and assembling process is damaged as causing screens accidentally, will cause the circuit board fixed position inaccurate or fixing insecure.
Summary of the invention
Main purpose of the present invention is fixed structure and the electronic installation that a kind of minitype circuit board is provided, in can be easily that circuit board is the accurately firm housing that is fixed to electronic installation.
The present invention proposes a kind of fixed structure of minitype circuit board, is used for fixing circuit board in the housing of electronic installation, and said housing comprises that an end is provided with opening power circuit board main body of inserting and the fastener that seals this opening; Said fixed structure comprises:
Be arranged at two relative medial surfaces of said main body respectively, power circuit board inserts two grooves of main body;
Be arranged at said main body inner top surface, inner bottom surface and/or medial surface, circuit board carried out the first spacing guide vane end stop in the circuit board direction of insertion.
Preferably, said groove is made up of the inner top surface or the inner bottom surface of raised line that is arranged at the main body medial surface and said main body.
Preferably, said groove is made up of two parallel raised lines that are arranged at the main body medial surface.
Preferably, the difference of the thickness of the height of said groove and said circuit board is 0-0.2mm.
Preferably, the distance between said two grooves is 0-0.2mm with the difference of the width of said circuit board.
Preferably, said fastener is provided with second guide vane end stop, cooperates with said first guide vane end stop, when fastener fastens, in the circuit board direction of insertion circuit board is fixed.
Preferably, the distance between said first guide vane end stop and second guide vane end stop is 0-0.2mm with the difference of the length of said circuit board.
Preferably, also comprise being arranged at main body inner top surface or inner bottom surface, circuit board is carried out spacing projection.
Preferably, the distance between said projection end and the installation back circuit board plane is 0-0.2mm.
Preferably, said fastener bonds on the said main body through adhesive.
The present invention also proposes a kind of electronic installation, comprises housing and circuit board, and said housing comprises that an end is provided with opening power circuit board main body of inserting and the fastener that seals this opening; Said housing also is provided with fixed structure, and this fixed structure comprises:
Be arranged at two relative medial surfaces of said main body respectively, power circuit board inserts two grooves of main body;
Be arranged at said main body inner top surface, inner bottom surface and/or medial surface, circuit board carried out the first spacing guide vane end stop in the circuit board direction of insertion.
Preferably, said groove is made up of the inner top surface or the inner bottom surface of raised line that is arranged at the main body medial surface and said main body.
Preferably, said groove is made up of two parallel raised lines that are arranged at the main body medial surface.
Preferably, the difference of the thickness of the height of said groove and said circuit board is 0-0.2mm.
Preferably, the distance between said two grooves is 0-0.2mm with the difference of the width of said circuit board.
Preferably, said fastener is provided with second guide vane end stop, cooperates with said first guide vane end stop, when fastener fastens, in the circuit board direction of insertion circuit board is fixed.
Preferably, the distance between said first guide vane end stop and second guide vane end stop is 0-0.2mm with the difference of the length of said circuit board.
Preferably, also comprise being arranged at main body inner top surface or inner bottom surface, circuit board is carried out spacing projection.
Preferably, the distance between said projection end and the installation back circuit board plane is 0-0.2mm.
Preferably, said fastener snapping or bond on the said main body.
The fixed structure of a kind of minitype circuit board provided by the invention and electronic installation; When mounting circuit boards; Only need the housing of circuit board along groove insertion electronic installation abutted to first guide vane end stop up to said circuit board, then fastener is fastened; Can accomplish the fixing of circuit board, thereby improve the efficiency of assembling of circuit board.Through projection is set said circuit board is limited on the direction perpendicular to circuit board plane in addition, make the location of circuit board more accurate, install more firm.
Description of drawings
Fig. 1 is the assembly sketch map of a kind of electronic installation of the present invention;
Fig. 2 is the profile direction sketch map of a kind of electronic installation first embodiment of the present invention;
Fig. 3 is the B-B generalized section of a kind of electronic installation first embodiment of the present invention;
Fig. 4 is the A-A generalized section of a kind of electronic installation first embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to Fig. 1, shown in Figure 1ly be the assembly sketch map 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 constitute the housing of electronic installations.Wherein, main body 1 is provided with the opening 19 that a power circuit board 2 is packed into.Adopt the electronic installation of technical scheme of the present invention, when the wiring harness plate, only need circuit board 2 afterwards fastener 3 to be installed to opening 19 places, can accomplish circuit board 2 fixing in case of electronic device from opening 19 main body 1 of packing into.
With reference to Fig. 2, shown in Figure 2ly be the profile direction sketch map of a kind of electronic installation first embodiment of the present invention, be the clear the present invention of description, the structure after the main body 1 and the fastener 3 of electronic installation combined has carried out A-A and the B-B both direction carries out cross sectional illustration.
With reference to Fig. 3; Shown in Figure 3 for the B-B generalized section of a kind of electronic installation 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 1 two opposed inside faces 13 of main body respectively.When mounting circuit boards 2, circuit board 2 inserts in the main body 1 from opening 19 along groove 16, and therefore two grooves 16 are also carrying out spacing to the circuit board 2 after inserting perpendicular to the direction on circuit board 2 planes when the insertion track is provided for circuit board 2.
It will be understood by those skilled in the art that groove 16 can be made up of raised line that is arranged at medial surface 13 12 and inner top surface 14, also can be made up of two raised lines 12 that are arranged at medial surface 13.Promptly substitute said inner top surface 14 by another raised line 12, as long as the distance between two raised lines 12 is identical with the distance of raised line 12 with said inner top surface 14 shown in Figure 3, then its technique effect is identical with technical scheme shown in Figure 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 projection 11 ends and the distance of inner bottom surface 18 or the required distance that the distance between two projection ends satisfies the said technical scheme of Fig. 3 can reach identical technique effect.
With reference to the A-A generalized section of Fig. 4 for electronic installation 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 first guide vane end stop 15, and opening 19 inboards are provided with box 17; Fastener 3 comprises the pin thread 32 with box 17 snappings, and second guide vane end stop 31.Fastener 3 fastens with main body 1 through pin thread 32, box 17.
In circuit board 2 installation processes, after circuit board 2 inserted main body 1 along groove 16, first guide vane end stop 15 stopped spacing in the direction of insertion of circuit board 2 to circuit board 2.Second guide vane end stop 31 is for being arranged at the spacing block set of fastener 3 one ends; After fastener 3 is installed on the main body 1; Distance between said first guide vane end stop 15 and second guide vane end stop 31 is L with the difference of the length of said circuit board 2; 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 first guide vane end stop 15 is not limited to be arranged on the inner top surface 14 of main body 1; The inner bottom surface 18 or the medial surface 13 of main body 1 can also be arranged at,, identical technique effect can be reached as long as it is identical with the length of circuit board 2 to satisfy the distance of two guide vane end stop ends.
The mounting means that it will be understood by those skilled in the art that fastener 3 is not limited to the box and pin mode, can also directly fastener 3 be bonded on the opening 19 through adhesive.Preferred embodiment is the snapping mode, and when fastener for installing 3, only need push fastener 3 aligned 19 gently and get final product, and the while has also accomplished the installation of circuit board and fixed
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (12)
1. the fixed structure of a minitype circuit board is used for fixing circuit board in the housing of electronic installation, and said housing comprises that an end is provided with opening power circuit board main body of inserting and the fastener that seals this opening; It is characterized in that said fixed structure comprises:
Be arranged at two relative medial surfaces of said main body respectively, power circuit board inserts two grooves of main body;
Be arranged at said main body inner top surface, inner bottom surface and/or medial surface, circuit board carried out the first spacing guide vane end stop in the circuit board direction of insertion.
2. fixed structure according to claim 1 is characterized in that, said groove is made up of the inner top surface or the inner bottom surface of raised line that is arranged at the main body medial surface and said main body.
3. fixed structure according to claim 1 is characterized in that, said groove is made up of two parallel raised lines that are arranged at the main body medial surface.
4. according to each described fixed structure in the claim 1 to 3, it is characterized in that the difference of the height of said groove and the thickness of said circuit board is 0-0.2mm.
5. according to each described fixed structure in the claim 1 to 3, it is characterized in that the distance between said two grooves is 0-0.2mm with the difference of the width of said circuit board.
6. according to each described fixed structure in the claim 1 to 3, it is characterized in that said fastener is provided with second guide vane end stop, cooperate, when fastener fastens, circuit board is fixed in the circuit board direction of insertion with said first guide vane end stop.
7. fixed structure as claimed in claim 6 is characterized in that, the distance between said first guide vane end stop and second guide vane end stop is 0-0.2mm with the difference of the length of said circuit board.
8. according to each described fixed structure in the claim 1 to 3, it is characterized in that, also comprise being arranged at main body inner top surface or inner bottom surface, circuit board is carried out spacing projection.
9. fixed structure as claimed in claim 8 is characterized in that, said projection end and the distance of installing between the circuit board plane of back are 0-0.2mm.
10. according to each described fixed structure in the claim 1 to 3, it is characterized in that said fastener snapping or bond on the said main body.
11. an electronic installation comprises housing and circuit board, said housing comprises that an end is provided with opening power circuit board main body of inserting and the fastener that seals this opening; It is characterized in that said housing also is provided with fixed structure, this fixed structure comprises:
Be arranged at two relative medial surfaces of said main body respectively, power circuit board inserts two grooves of main body;
Be arranged at said main body inner top surface, inner bottom surface and/or medial surface, circuit board carried out the first spacing guide vane end stop in the circuit board direction of insertion.
12. electronic installation as claimed in claim 11 is characterized in that, said fixed structure is each described fixed structure in the 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 true CN102413660A (en) | 2012-04-11 |
| CN102413660B CN102413660B (en) | 2014-03-05 |
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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 |
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| Country | Link |
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| CN (1) | CN102413660B (en) |
Cited By (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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050164532A1 (en) * | 2003-09-11 | 2005-07-28 | Super Talent Electronics Inc. | Universal-Serial-Bus (USB) Flash-Memory Device with Metal Wrap Formed over Plastic Housing |
| US20080280490A1 (en) * | 1999-08-04 | 2008-11-13 | Super Talent Electronics, Inc. | Press/Push Universal Serial Bus (USB) Flash Drive with Deploying and Retracting Functionalities with Elasticity Material and Fingerprint Verification Capability |
| 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 |
-
2011
- 2011-11-29 CN CN201110387454.5A patent/CN102413660B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080280490A1 (en) * | 1999-08-04 | 2008-11-13 | Super Talent Electronics, Inc. | Press/Push Universal Serial Bus (USB) Flash Drive with Deploying and Retracting Functionalities with Elasticity Material and Fingerprint Verification Capability |
| US20050164532A1 (en) * | 2003-09-11 | 2005-07-28 | Super Talent Electronics Inc. | Universal-Serial-Bus (USB) Flash-Memory Device with Metal Wrap Formed over Plastic Housing |
| 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 |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102413660B (en) | 2014-03-05 |
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