CN204697444U - Circuit board fixed structure - Google Patents
Circuit board fixed structure Download PDFInfo
- Publication number
- CN204697444U CN204697444U CN201520330022.4U CN201520330022U CN204697444U CN 204697444 U CN204697444 U CN 204697444U CN 201520330022 U CN201520330022 U CN 201520330022U CN 204697444 U CN204697444 U CN 204697444U
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- China
- Prior art keywords
- circuit board
- hole
- elastic arm
- fixed structure
- length direction
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Abstract
The utility model belongs to circuit board mounting structure field, particularly relates to a kind of circuit board fixed structure, is intended to solve existing circuit board fixed structure assembling trouble, take up room more and connect unstable technical problem.Body in fastener is connected on through hole, the opposite end being contained in through hole interior circuit board offsets with the elastic arm of guide vane end stop and fastener respectively, circuit board is spacing in housing along the length direction of through hole, guarantee effective layout area of circuit board, form one and assemble easily and the portable electric appts of compact conformation.Be formed for elastic arm elastically-deformable deformation space on the length direction of through hole between body and elastic arm, guarantee that circuit board to be firmly arranged on housing and to be held in a predetermined position, even if the USB port of circuit board is through repeatedly plugging, circuit board is also difficult to the situation occurring loosening.Further, elastic arm can adapt to the circuit board with different length dimensional discrepancy to a certain extent, allows circuit board be held in a predetermined position.
Description
Technical field
The utility model belongs to circuit board mounting structure field, particularly relates to a kind of circuit board fixed structure.
Background technology
Along with the development of electronic information technology, the application of portable electric appts is more and more wider, and in order to easy to carry, the volume of portable electric appts is general very little, how becomes an important problem at the electronic equipment internal that volume is very little circuit board that is convenient, that accurately, be firmly fixed for realizing the various function of electronic equipment.
Circuit board fixed structure of the prior art is generally and adopts screw or screens to realize the fixing structure of two structural members.Two structural members are fixed by screw, need to arrange screw hole on circuit boards, this can make effective layout area of circuit board reduce, and has to strengthen the area of whole circuit board to complete necessary Butut, thus affects the Miniaturization Design of portable electric appts; And employing screw fixation method, in assembling process, the installation station of screw must be set, increase the artificial of assembling and Material Cost.Two structural members are fixed by screens, and structure is firm not, and screens quantity is many, and the inner space taken is many, is difficult to miniaturization, not portable; And assembling process is damaged as accidentally caused screens, connection can be caused insecure, in use easy loose mail, affects the use of electronic equipment.
Utility model content
The purpose of this utility model is to provide a kind of circuit board fixed structure, is intended to solve existing circuit board fixed structure assembling trouble, take up room more and connect unstable technical problem.
The utility model realizes like this, a kind of circuit board fixed structure, comprise the housing with a through hole, described through hole has first end and second end relative with described first end, described circuit board fixed structure also comprises the fastener at the circuit board be contained in described through hole and the described first end place being arranged on described through hole, be provided with for by spacing for the described circuit board guide vane end stop on the length direction of described through hole in described through hole, described fastener comprises the body be connected on the described first end of described through hole, be arranged on described body towards the boss on the side of described circuit board and by described boss to the elastic arm that described circuit board extends to form, one end away from described boss of described elastic arm offsets along the length direction of described through hole and described circuit board, be formed between described elastic arm and described body for this elastic arm elastically-deformable deformation space on the length direction of described through hole.
Further, described elastic arm divide for the first elastic arm of being extended to form along the length direction perpendicular to described through hole by described boss and be arranged on this first elastic arm away from the second elastic arm on described boss one end, form described deformation space between described first elastic arm and described body, described second elastic arm offsets along the length direction of described through hole and described circuit board.
Further, described first elastic arm and described second elastic arm are in vertical distribution.
Further, the quantity of described elastic arm is two, and described elastic arm is symmetrically distributed on the relative both sides of described boss.
Further, the inner side of the described first end of described through hole offers some buckling grooves, the outside of described body is provided with and is fastened on clamping block on this through hole with the clamping of described buckling groove one_to_one corresponding phase along the length direction of described through hole to make described fastener.
Further, the position that the inner side of the described first end of described through hole corresponds to described buckling groove is provided with the first guide surface, and the outer rim of described clamping block is provided with and is slidably matched with described first guide surface to make this clamping block to guide to the second guide surface in the described buckling groove corresponding with this clamping block.
Further, described guide vane end stop is arranged on the inner side of described second end of described through hole, and one end away from described elastic arm of described circuit board is against on described guide vane end stop mutually along the length direction of described through hole.
Further, the inner side of described through hole is formed and is pushed in this through hole by described first end for described circuit board and for this circuit board to be positioned at the location notch in this through hole along the thickness direction of this circuit board.
Further, described body, described boss and described elastic arm are formed in one structure.
Further, described boss offers first through hole, described housing has two facing sidewalls, these two sidewalls respectively offer second through hole connected with described through hole, described in one of them, the second through hole, described first through hole are connected when described fastener is arranged on the described first end of described through hole successively with the second through hole described in another one.
The utility model relative to the technique effect of prior art is: the body in fastener is connected on through hole, the opposite end being contained in through hole interior circuit board offsets with the elastic arm of guide vane end stop and fastener respectively, circuit board is spacing in housing along the length direction of through hole, guarantee effective layout area of circuit board, form one and assemble easily and the portable electric appts of compact conformation.Be formed for elastic arm elastically-deformable deformation space on the length direction of through hole between body and elastic arm, guarantee that circuit board to be firmly arranged on housing and to be held in a predetermined position, even if the USB port of circuit board is through repeatedly plugging, circuit board is also difficult to the situation occurring loosening.Further, elastic arm can adapt to the circuit board with different length dimensional discrepancy to a certain extent, allows circuit board be held in a predetermined position.
Accompanying drawing explanation
Fig. 1 is the front view of the circuit board fixed structure that the utility model embodiment provides.
Fig. 2 is the three-dimensional exploded view of the circuit board fixed structure of Fig. 1.
Fig. 3 is the assembling schematic diagram of circuit board and the fastener applied in the circuit board fixed structure of Fig. 2.
Fig. 4 is the cutaway view along A-A line of the circuit board fixed structure of Fig. 1.
Fig. 5 is the cutaway view along B-B line of the circuit board fixed structure of Fig. 1.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, Fig. 2, Fig. 4, a kind of circuit board 20 fixed structure that the utility model embodiment provides, comprise the housing 10 with a through hole 11, described through hole 11 has first end 11a and the second end 11b relative with described first end 11a, described circuit board 20 fixed structure also comprises the fastener 30 at the circuit board 20 be contained in described through hole 11 and the described first end 11a place being arranged on described through hole 11, be provided with for by spacing for described circuit board 20 guide vane end stop 12 on the length direction of described through hole 11 in described through hole 11, described fastener 30 comprises the body 31 be connected on the described first end 11a of described through hole 11, be arranged on described body 31 towards the boss 32 on the side of described circuit board 20 and by described boss 32 to the elastic arm 33 that described circuit board 20 extends to form, please refer to Fig. 3, one end away from described boss 32 of described elastic arm 33 offsets along the length direction of described through hole 11 and described circuit board 20, be formed between described elastic arm 33 and described body 31 for this elastic arm 33 elastically-deformable deformation space 40 on the length direction of described through hole 11.
Body 31 in fastener 30 is connected on through hole 11, the opposite end being contained in through hole 11 interior circuit board 20 offsets with the elastic arm 33 of guide vane end stop 12 and fastener 30 respectively, circuit board 20 is spacing in housing 10 along the length direction of through hole 11, guarantee effective layout area of circuit board 20, form one and assemble easily and the portable electric appts of compact conformation.Be formed for elastic arm 33 elastically-deformable deformation space 40 on the length direction of through hole 11 between body 31 and elastic arm 33, guarantee that circuit board 20 is firmly installed on the housing 10 and is held in a predetermined position, even if the USB port of circuit board 20 is through repeatedly plugging, circuit board 20 is also difficult to the situation occurring loosening.Further, elastic arm 33 can adapt to the circuit board 20 with different length dimensional discrepancy to a certain extent, allows circuit board 20 be held in a predetermined position.
In the present embodiment, circuit board 20 is provided with USB golden finger 21 and other related devices to realize USB function, USB golden finger 21 is arranged on inside the second end 11b of through hole 11.Elastic arm 33 adopts elastomeric material to make, and elastic arm 33 keeps offseting with one end of circuit board 20, and the other end of circuit board 20 is spacing by guide vane end stop 12, allows circuit board 20 be held in a predetermined position.Or elastic arm 33 adopts spring or other length directions along through hole 11 can produce the replacement of elastically-deformable elastic construction.
Further, described elastic arm 33 divide for the first elastic arm 331 of being extended to form along the length direction perpendicular to described through hole 11 by described boss 32 and be arranged on this first elastic arm 331 away from the second elastic arm 332 on described boss 32 one end, form described deformation space 40 between described first elastic arm 331 and described body 31, described second elastic arm 332 offsets along the length direction of described through hole 11 and described circuit board 20.First elastic arm 331 and the second elastic arm 332 are formed in one, and this structure is easily processed.First elastic arm 331 is extended along the length direction perpendicular to through hole 11 by boss 32, for the USB port of circuit board 20 through repeatedly plugging or have the situation of circuit board 20 of different length dimensional discrepancy, the first elastic arm 331 can be allowed to have enough elasticity, well reset after by circuit board 20 contact, allow circuit board 20 be held in a predetermined position.Understandably, elastic arm 33 can also be extended to form to circuit board 20 by boss 32 surface thereof, and with circuit board 20 contact.
Further, described first elastic arm 331 is in vertical distribution with described second elastic arm 332.This structure is easily processed, and the second elastic arm 332 contacts well with circuit board 20, guarantees that circuit board 20 is held in a predetermined position.Understandably, the first elastic arm 331 and the second elastic arm 332 stagger and make other angular distribution.
Further, the quantity of described elastic arm 33 is two, and described elastic arm 33 is symmetrically distributed on the relative both sides of described boss 32.Symmetrical elastic arm 33 can allow circuit board 20 better be held in a predetermined position, and stability under loading in structure is more durable.
Further, please refer to Fig. 2, Fig. 5, the inner side of the described first end 11a of described through hole 11 offers some buckling grooves 13, the outside of described body 31 is provided with and is fastened on clamping block (311,312,313) on this through hole 11 with the clamping of described buckling groove 13 one_to_one corresponding phase along the length direction of described through hole 11 to make described fastener 30.Body 31 roughly rectangular-blocklike, body 31, except being provided with boss 32 and the side relative with boss 32, also has four lateral surfaces.In the present embodiment, the wherein side paralleled with circuit board 20 in body 31 is provided with two front clamping blocks 311, the other side paralleled with circuit board 20 in body 31 is provided with two back side clamping blocks 312, the relative both sides perpendicular with circuit board 20 in body 31 are equipped with a side clamping block 313, accordingly, the inner side of the first end 11a of through hole 11 is provided with six buckling grooves 13.Through the snap-fit engagement of six pairs of clamping blocks and buckling groove 13, particularly through two offside clamping blocks 313 with the snap-fit engagement of buckling groove 13, make to be connected firmly between fastener 30 and housing 10.Preferably, the quantity of clamping block and buckling groove 13 is 4 to 6, and is arranged on four lateral surfaces of body 31, ensures to be connected firmly between fastener 30 and housing 10.Understandably, buckling groove is arranged on the body 31 of fastener 30, and clamping block is arranged on the first end 11a of through hole 11, and this structure also can allow between fastener 30 and housing 10 and be connected firmly.
Further, please refer to Fig. 2, Fig. 3, the position that the inner side of the described first end 11a of described through hole 11 corresponds to described buckling groove 13 is provided with the first guide surface 131, and the outer rim of described clamping block is provided with and is slidably matched with described first guide surface 131 to make this clamping block to guide to the second guide surface 314 in the described buckling groove 13 corresponding with this clamping block.This structure is convenient to the assembling between fastener 30 and housing 10.
Further, please refer to Fig. 4, described guide vane end stop 12 is arranged on the inner side of described second end 11b of described through hole 11, and one end away from described elastic arm 33 of described circuit board 20 is against on described guide vane end stop 12 mutually along the length direction of described through hole 11.Circuit board 20 is pushed by the first end 11a of the through hole 11 of housing 10, allows circuit board 20 offset away from one end of elastic arm 33 and the guide vane end stop 12 of the second end 11b, and this structure is convenient to assembling.
Further, the inner side of described through hole 11 is formed and is pushed in this through hole 11 by described first end 11a for described circuit board 20 and for this circuit board 20 to be positioned at the location notch 14 in this through hole 11 along the thickness direction of this circuit board 20.On two facing inner sides being arranged on through hole 11 of location notch 14, circuit board 20 is allowed to be accurately positioned on through hole 11.
Further, please refer to Fig. 3, described body 31, described boss 32 and described elastic arm 33 are formed in one structure.This structure is easily processed, and specifically adopts injection mo(u)lding.Boss 32 extends to form a technique post 34 on the side of circuit board 20, has been convenient to process this fastener 30.
Further, please refer to Fig. 4, Fig. 5, described boss 32 offers first through hole 321, described housing 10 has two facing sidewalls 15, these two sidewalls 15 respectively offer second through hole 151 connected with described through hole 11, described in one of them, the second through hole 151, described first through hole 321 are connected when described fastener 30 is arranged on the described first end 11a of described through hole 11 successively with the second through hole 151 described in another one.This structure is convenient to wear lanyard, compact conformation.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. a circuit board fixed structure, it is characterized in that: comprise the housing with a through hole, described through hole has first end and second end relative with described first end, described circuit board fixed structure also comprises the fastener at the circuit board be contained in described through hole and the described first end place being arranged on described through hole, be provided with for by spacing for the described circuit board guide vane end stop on the length direction of described through hole in described through hole, described fastener comprises the body be connected on the described first end of described through hole, be arranged on described body towards the boss on the side of described circuit board and by described boss to the elastic arm that described circuit board extends to form, one end away from described boss of described elastic arm offsets along the length direction of described through hole and described circuit board, be formed between described elastic arm and described body for this elastic arm elastically-deformable deformation space on the length direction of described through hole.
2. circuit board fixed structure as claimed in claim 1, it is characterized in that: described elastic arm divide for the first elastic arm of being extended to form along the length direction perpendicular to described through hole by described boss and be arranged on this first elastic arm away from the second elastic arm on described boss one end, form described deformation space between described first elastic arm and described body, described second elastic arm offsets along the length direction of described through hole and described circuit board.
3. circuit board fixed structure as claimed in claim 2, is characterized in that: described first elastic arm and described second elastic arm are in vertical distribution.
4. circuit board fixed structure as claimed in claim 1, is characterized in that: the quantity of described elastic arm is two, and described elastic arm is symmetrically distributed on the relative both sides of described boss.
5. circuit board fixed structure as claimed in claim 1, it is characterized in that: the inner side of the described first end of described through hole offers some buckling grooves, the outside of described body is provided with and is fastened on clamping block on this through hole with the clamping of described buckling groove one_to_one corresponding phase along the length direction of described through hole to make described fastener.
6. circuit board fixed structure as claimed in claim 5, it is characterized in that: the position that the inner side of the described first end of described through hole corresponds to described buckling groove is provided with the first guide surface, the outer rim of described clamping block is provided with and is slidably matched with described first guide surface to make this clamping block to guide to the second guide surface in the described buckling groove corresponding with this clamping block.
7. the circuit board fixed structure as described in any one of claim 1 to 6, it is characterized in that: described guide vane end stop is arranged on the inner side of described second end of described through hole, one end away from described elastic arm of described circuit board is against on described guide vane end stop mutually along the length direction of described through hole.
8. the circuit board fixed structure as described in any one of claim 1 to 6, is characterized in that: the inner side of described through hole is formed and is pushed in this through hole by described first end for described circuit board and for this circuit board to be positioned at the location notch in this through hole along the thickness direction of this circuit board.
9. the circuit board fixed structure as described in any one of claim 1 to 6, is characterized in that: described body, described boss and described elastic arm are formed in one structure.
10. the circuit board fixed structure as described in any one of claim 1 to 6, it is characterized in that: described boss offers first through hole, described housing has two facing sidewalls, these two sidewalls respectively offer second through hole connected with described through hole, described in one of them, the second through hole, described first through hole are connected when described fastener is arranged on the described first end of described through hole successively with the second through hole described in another one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520330022.4U CN204697444U (en) | 2015-05-20 | 2015-05-20 | Circuit board fixed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520330022.4U CN204697444U (en) | 2015-05-20 | 2015-05-20 | Circuit board fixed structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204697444U true CN204697444U (en) | 2015-10-07 |
Family
ID=54237689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520330022.4U Active CN204697444U (en) | 2015-05-20 | 2015-05-20 | Circuit board fixed structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204697444U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021196733A1 (en) * | 2020-03-31 | 2021-10-07 | 广州视源电子科技股份有限公司 | Wireless screen transmission device |
| CN115500031A (en) * | 2022-09-19 | 2022-12-20 | 深圳市誉铭旺电子股份有限公司 | Charging box |
-
2015
- 2015-05-20 CN CN201520330022.4U patent/CN204697444U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021196733A1 (en) * | 2020-03-31 | 2021-10-07 | 广州视源电子科技股份有限公司 | Wireless screen transmission device |
| CN115500031A (en) * | 2022-09-19 | 2022-12-20 | 深圳市誉铭旺电子股份有限公司 | Charging box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |