CN202697104U - Fixing structure of small circuit board and electronic device - Google Patents
Fixing structure of small circuit board and electronic device Download PDFInfo
- Publication number
- CN202697104U CN202697104U CN 201220290020 CN201220290020U CN202697104U CN 202697104 U CN202697104 U CN 202697104U CN 201220290020 CN201220290020 CN 201220290020 CN 201220290020 U CN201220290020 U CN 201220290020U CN 202697104 U CN202697104 U CN 202697104U
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- CN
- China
- Prior art keywords
- circuit board
- main body
- fixed structure
- fastener
- guide vane
- 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 - Lifetime
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Abstract
The utility model provides a fixing structure of a small circuit board and an electronic device which are used for fixing the circuit board into a shell body of the electronic device. The shell body comprises a main body and a buckling piece, wherein one end of the main body is provided with an opening for insertion of the circuit board, and the buckling piece is used for sealing the opening. The fixing structure comprises two inner side faces opposite to the main body, two grooves used for enabling the circuit board to be inserted into the main body and a first limit block arranged on the buckling piece. The first limit block is an elastic limit block. The circuit board is inserted into the two grooves of the main body through the opening of the main body, and then the buckling piece is buckled. When the first limit block is buckled on the buckling piece, the circuit board is fixed in the insertion direction of the circuit board. The fixing structure further comprises second limit blocks, wherein the second limit blocks are arranged on the inner top face, the inner bottom face and / or the inner side faces of the main body, and limit the circuit board in the insertion direction of the circuit board. According to the fixing structure of the small circuit board and the electronic device, the circuit board can be conveniently precisely firmly fixed into the shell body of the electronic device.
Description
Technical field
The utility model relates to technique for fixing, specially refers 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, for easy to carry, the volume of portable electric appts is generally very little, how to make things convenient for, accurately, firmly to be fixed for realizing that the circuit board of the various functions of electronic equipment becomes an important problem in the very little electronic equipment internal of volume.
In the prior art, the circuit board fixed form of portable electric appts mostly adopts screw to fix or screens is fixed; A kind of comparatively circuit board fixed form of novel USBkey product is arranged in the market, this fixed form adopts an end to be provided with the main body that the opening power circuit board inserts, be provided with groove and spacing preiection for fixing circuit board in this body interior, cooperatively interact with the fastener of this opening of sealing, the circuit board that inserts main body is fixed.Adopt this fixed structure can simplify the assembling process of circuit board, improved to a great extent the efficiency of assembling of circuit board; But also there are the following problems to adopt this fixed structure:
Can there be error in circuit board and housing unavoidably in the actual course of processing, in actual production process, if the processing dimension of circuit board is greater than default tolerance value, and the processing dimension of housing is less than default tolerance value, then in the installation process of circuit board, fastener is difficult to fasten and puts in place, brings difficulty to assembling work; If the processing dimension of the processing dimension of circuit board housing less than default tolerance value is during greater than default tolerance value, after finishing, assembling between circuit board and housing, still has fitting allowance, this fitting allowance occurs when causing the user to carry this product between circuit board and the housing because of the collision of caused by relative motion, affects the user and experiences; And the long-term collision of circuit board and housing may cause the dysfunction of product.
The utility model content
Fixed structure and the electronic installation of main purpose of the present utility model for a kind of minitype circuit board is provided, can easily circuit board accurately firmly be fixed in the housing of electronic installation, solve the problem of relative motion between the circuit board that causes because of mismachining tolerance and the housing.
The utility model proposes a kind of fixed structure of minitype circuit board, be used for fixing circuit board in the housing of electronic installation, described housing comprises that an end is provided with opening the power circuit board main body of inserting and the fastener that seals this opening; Described fixed structure comprises two grooves that are arranged at respectively two relative medial surfaces of described main body, power circuit board insertion main body; Described fixed structure also comprises the first guide vane end stop that is arranged on the described fastener, and described the first guide vane end stop is the elastic spacing piece, and described circuit board fastens described fastener after the opening of described main body inserts two grooves of described main body again; Described the first guide vane end stop is fixed circuit board in the circuit board direction of insertion when described fastener fastens; Described fixed structure also comprises and is arranged at described main body inner top surface, inner bottom surface and/or medial surface, in the circuit board direction of insertion circuit board is carried out the second spacing guide vane end stop.
Preferably, described groove is made of inner top surface or the inner bottom surface of the raised line that is arranged at described main body medial surface and described main body.
Preferably, described groove is made of two parallel raised lines that are arranged at the main body medial surface.
Preferably, the difference of the thickness of the height of described groove and described circuit board is 0-0.2mm.
Preferably, the distance between described two grooves is 0-0.2mm with the difference of the width of described circuit board.
Preferably, described fixed structure also comprises and is arranged at main body inner top surface or inner bottom surface, and circuit board is carried out spacing projection.
Preferably, the distance between described projection end and the described circuit board respective surfaces is 0-0.2mm.
The utility model also proposes a kind of electronic installation, comprises housing and circuit board, and described housing comprises that an end is provided with opening the power circuit board main body of inserting and the fastener that seals this opening; Described housing also is provided with fixed structure, and this fixed structure comprises two grooves that are arranged at respectively two relative medial surfaces of described main body, power circuit board insertion main body; Described fixed structure also comprises the first guide vane end stop that is arranged on the described fastener, and described the first guide vane end stop is the elastic spacing piece, and described circuit board fastens described fastener after the opening of described main body inserts two grooves of described main body again; Described the first guide vane end stop is fixed circuit board in the circuit board direction of insertion when described fastener fastens; Described fixed structure also comprises and is arranged at described main body inner top surface, inner bottom surface and/or medial surface, in the circuit board direction of insertion circuit board is carried out the second spacing guide vane end stop.
Preferably, described groove is made of inner top surface or the inner bottom surface of the raised line that is arranged at described main body medial surface and described main body.
Preferably, described groove is made of two parallel raised lines that are arranged at the main body medial surface.
Preferably, the difference of the thickness of the height of described groove and described circuit board is 0-0.2mm.
Preferably, the distance between described two grooves is 0-0.2mm with the difference of the width of described circuit board.
Preferably, described fixed structure also comprises and is arranged at main body inner top surface or inner bottom surface, and circuit board is carried out spacing projection.
Preferably, the distance between described projection end and the described circuit board respective surfaces is 0-0.2mm.
The fixed structure of a kind of minitype circuit board that the utility model provides and electronic installation, when mounting circuit boards, only need circuit board is inserted along groove the housing of electronic installation, again fastener is fastened, the first guide vane end stop on the fastener is fixed circuit board in the circuit board direction of insertion when described fastener fastens, and this first guide vane end stop has elasticity, can absorb the mismachining tolerance of housing and circuit board, makes the installation of circuit board more firm.In addition, by projection being set and the second guide vane end stop further limits described circuit board, make the location of circuit board more accurate, promoted user's experience.
Description of drawings
Fig. 1 is the assembly schematic diagram of a kind of electronic installation of the utility model;
Fig. 2 is the profile direction schematic diagram of a kind of electronic installation the first embodiment of the utility model;
Fig. 3 is the C-C generalized section of a kind of electronic installation the first embodiment of the utility model;
Fig. 4 is the A-A generalized section of a kind of electronic installation the first embodiment of the utility model.
The realization of the utility model purpose, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
With reference to Fig. 1, Figure 1 shows that the assembly schematic diagram of a kind of electronic installation of the utility model, comprise main body 1, circuit board 2 and fastener 3, main body 1 and fastener 3 consist of the housing of electronic installation.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 solutions of the utility model, when the wiring harness plate, only need circuit board 2 afterwards fastener 3 to be installed to opening 19 places from opening 19 main body 1 of packing into, can completing circuit plate 2 fixing in case of electronic device; Wherein, the first guide vane end stop 31 of fastener 3 adopts Flexible Design, and this Flexible Design can absorb the fitting allowance that exists because of mismachining tolerance between main body 1 and the circuit board 2, makes the location of circuit board more accurate, installs more firm.
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 utility model, be the clear the utility model of describing, to the main body 1 of electronic installation and fastener 3 in conjunction with after structure carried out A-A and the C-C both direction carries out cross sectional illustration.
With reference to Fig. 3, Figure 3 shows that the C-C generalized section of a kind of electronic installation the first embodiment of the utility model, as shown in Figure 3, the main body 1 of this electronic installation comprises one or more projections 11 of the inner bottom 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 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 of the raised line 12 that is arranged at medial surface 13 and inner top surface 18, also can be consisted of by two raised lines 12 that are arranged at medial surface 13.Namely substitute described inner top surface 18 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 described inner top surface 18 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 14, can also be arranged at inner top surface 18 or be oppositely arranged respectively at inner bottom surface 14 and inner top surface 18, as long as projection 11 ends and the distance of inner top surface 18 or the required distance that the distance between two projection ends satisfies the described technical scheme of Fig. 3 can reach identical technique effect.
Be the A-A generalized section of the utility model electronic installation the first embodiment with reference to Fig. 4, as shown in Figure 4, the inner bottom surface 14 of the main body 1 of electronic installation is provided with the second guide vane end stop 15, opening 19 inboards are provided with box 17, fastener 3 comprises the pin thread 32 with box 17 snappings, and first guide vane end stop 31, described the first guide vane end stop 31 adopts Flexible Design.Fastener 3 fastens with main body 1 by pin thread 32, box 17.Particularly, in circuit board 2 installation processes, after circuit board 2 inserted main body 1 along groove 16, the second guide vane end stop 15 stopped spacing in the direction of insertion of circuit board 2 to circuit board 2.The first guide vane end stop 31 is for being arranged at the elastic spacing projection of fastener 3 one ends, after fastener 3 is installed on the main body 1, described the second guide vane end stop 15 and the first guide vane end stop 31 limit circuit board 2 degree of freedom in the longitudinal direction jointly, the first guide vane end stop 31 with Flexible Design can absorb the fitting allowance that exists because of mismachining tolerance between main body 1 and the circuit board 2, make the location of circuit board more accurate, install more firm.
It will be appreciated by those skilled in the art that, the projection of the second guide vane end stop 15 is not limited to be arranged on the inner bottom surface 14 of main body 1, inner top 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 satisfy 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 the box and pin mode, can also directly fastener 3 be bonded on the opening 19 by adhesive.
The above only is preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; 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 utility model.
Claims (9)
1. the fixed structure of a minitype circuit board is used for fixing circuit board in the housing of electronic installation, and described housing comprises that an end is provided with opening the power circuit board main body of inserting and the fastener that seals this opening; Described fixed structure comprises two grooves that are arranged at respectively two relative medial surfaces of described main body, power circuit board insertion main body; It is characterized in that described fixed structure also comprises the first guide vane end stop that is arranged on the described fastener, described the first guide vane end stop is the elastic spacing piece, and described circuit board fastens described fastener after the opening of described main body inserts two grooves of described main body again; Described the first guide vane end stop is fixed circuit board in the circuit board direction of insertion when described fastener fastens; Described fixed structure also comprises and is arranged at described main body inner top surface, inner bottom surface and/or medial surface, in the circuit board direction of insertion circuit board is carried out the second spacing guide vane end stop.
2. fixed structure according to claim 1 is characterized in that, described groove is made of inner top surface or the inner bottom surface of the raised line that is arranged at described main body medial surface and described main body.
3. fixed structure according to claim 1 is characterized in that, described groove is made of two parallel raised lines that are arranged at the main body medial surface.
4. each described fixed structure in 3 according to claim 1 is characterized in that the difference of the height of described groove and the thickness of described circuit board is 0-0.2mm.
5. each described fixed structure in 3 according to claim 1 is characterized in that the distance between described two grooves is 0-0.2mm with the difference of the width of described circuit board.
6. each described fixed structure in 3 according to claim 1 is characterized in that, also comprises being arranged at main body inner top surface or inner bottom surface, and circuit board is carried out spacing projection.
7. fixed structure according to claim 6 is characterized in that, the distance between described projection end and the described circuit board respective surfaces is 0-0.2mm.
8. an electronic installation comprises housing and circuit board, and described housing comprises that an end is provided with opening the power circuit board main body of inserting and the fastener that seals this opening; Described housing also is provided with fixed structure, and this fixed structure comprises two grooves that are arranged at respectively two relative medial surfaces of described main body, power circuit board insertion main body; It is characterized in that described fixed structure also comprises the first guide vane end stop that is arranged on the described fastener, described the first guide vane end stop is the elastic spacing piece, and described circuit board fastens described fastener after the opening of described main body inserts two grooves of described main body again; Described the first guide vane end stop is fixed circuit board in the circuit board direction of insertion when described fastener fastens; Described fixed structure also comprises and is arranged at described main body inner top surface, inner bottom surface and/or medial surface, in the circuit board direction of insertion circuit board is carried out the second spacing guide vane end stop.
9. electronic installation according to claim 8 is characterized in that, described fixed structure is each described fixed structure in the claim 2 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220290020 CN202697104U (en) | 2012-06-20 | 2012-06-20 | Fixing structure of small circuit board and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220290020 CN202697104U (en) | 2012-06-20 | 2012-06-20 | Fixing structure of small circuit board and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202697104U true CN202697104U (en) | 2013-01-23 |
Family
ID=47552653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220290020 Expired - Lifetime CN202697104U (en) | 2012-06-20 | 2012-06-20 | Fixing structure of small circuit board and electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202697104U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108135103A (en) * | 2017-12-29 | 2018-06-08 | 重庆市中光电显示技术有限公司 | Circuit board protection device |
-
2012
- 2012-06-20 CN CN 201220290020 patent/CN202697104U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108135103A (en) * | 2017-12-29 | 2018-06-08 | 重庆市中光电显示技术有限公司 | Circuit board protection device |
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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 |
Granted publication date: 20130123 |
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| CX01 | Expiry of patent term |