CN203026686U - Elastic strip - Google Patents
Elastic strip Download PDFInfo
- Publication number
- CN203026686U CN203026686U CN 201220751843 CN201220751843U CN203026686U CN 203026686 U CN203026686 U CN 203026686U CN 201220751843 CN201220751843 CN 201220751843 CN 201220751843 U CN201220751843 U CN 201220751843U CN 203026686 U CN203026686 U CN 203026686U
- Authority
- CN
- China
- Prior art keywords
- base portion
- extension
- shell fragment
- described base
- segment
- 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 - Fee Related
Links
- 239000012634 fragment Substances 0.000 claims description 48
- 238000005452 bending Methods 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000002788 crimping Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model discloses an elastic strip. The elastic strip comprises a base, an elastic arm and a welding part, wherein the elastic arm bends and extends downward from one end of the base and is provided with an extending segment which is partially arranged below the base leastways; a contact segment bends and extends upward from the extending segment and is exposed out of the base; the welding part extends downward from one side of the base; and the welding part is partially arranged below the extending segment leastways. The elastic strip has the beneficial effects that an electronic component needs to be electrically conducted on a circuit board, the welding part is firstly welded on the circuit board and then the electronic component contacts the contact segment downward; and the base and the extending segment are connected between the contact segment and the welding part, so the elastic strip has good elasticity and can not have unrecoverable plastic deformation even if the acting force is applied to the elastic strip multiple times, thus prolonging the service life of the elastic strip.
Description
[technical field]
The utility model relates to a kind of shell fragment, espespecially a kind of shell fragment for being electrically connected two electronic components.
[background technology]
Shell fragment is quite extensive in the scope of electronics applications, though structure is simple, has absolute critical function, and along with light, thin, smart, the sharp development trend of various electronic products, shell fragment is required to have purpose of design and is added to all over the body.Usually shell fragment is bent to form to conduct electricity good sheet metal, with the flexible metallic character of tool after the sheet metal bending, is welded on circuit board.
The common shell fragment of industry is for having into a flat base portion, from an end of described base portion upwards bending extend to form an elastic arm, have a contact site on described elastic arm.After described shell fragment is made, in order to an electronic component is electrically conducted to a circuit board, described base portion is soldered on described circuit board, and described contact site is with described electronic element press connection or contact.
Although above-mentioned shell fragment has reached the purpose of electrically conduct described electronic component and described circuit board, but because shell fragment need to be in the process of using, active force can be applied repeatedly, under so long-term circulation, shell fragment can produce non-response plastic deformation, and even the stress concentration effect causes described shell fragment fracture.
Therefore, be necessary to design a kind of better shell fragment, to overcome the problems referred to above.
[utility model content]
For the problem that background technology faces, the purpose of this utility model is to provide a kind of plastic deformation and elastic piece structure of easy fracture not of improving.
For achieving the above object, the utility model adopts following technological means:
A kind of shell fragment, it comprises a base portion; One elastic arm bends extension downwards from described base portion one end, and described elastic arm has at least part of described base portion below of being positioned at, an extension, and upwards a contact-segment of described base portion is extended and manifested in bending from described extension; One weld part, from a side direction downward-extension formation of described base portion, and at least part of below that is positioned at described extension.
Further, described elastic arm comprises a junction that extends from described base portion one end bending, and described extension connects described connecting portion and extends towards the direction of described base portion, and described base portion, described connecting portion and described extension triangularity arrange.Described connecting portion and described contact-segment lay respectively at the two ends of described base portion.
Further, described shell fragment comprises that a kink connects described base portion and described weld part, and described kink and described connecting portion are to extend to form from the adjacent edge of described base portion respectively.Arrange for the gap between described extension and described kink.
Further, described base portion is against described elastic arm.Described extension extends upward setting towards the bottom surface of described base portion, and described base portion is only against the joint of described extension and described contact-segment.
Further, described extension is between described base portion and described weld part.Described extension extends upward setting gradually towards described base portion.Arrange for the gap between described extension and described weld part.
Compared with prior art, the utlity model has following beneficial effect:
When described shell fragment needs an electronic component is electrically conducted to the circuit board, described weld part first is soldered to described circuit board, again described electronic component is contacted with described contact-segment downwards, be connected with described base portion and described extension between described contact-segment and described weld part, therefore the elasticity of described shell fragment is better, even described shell fragment is repeatedly applied active force, can not produce non-response plastic deformation yet, extended its useful life.
in addition, described contact-segment connects described extension, and described extension is to bend downwards from described base portion to extend and part is positioned at described base portion below, described base portion extends laterally described weld part again, described welding position is in the below of described extension and be soldered on described circuit board, therefore when the described contact-segment of the downward crimping of described electronic component, described contact-segment can drive described extension to bottom offset, make between described extension and described base portion and pull open certain distance, the problem that stress is concentrated can not occur so fully, described shell fragment just more can fracture situation.
[description of drawings]
Fig. 1 is the schematic perspective view of the utility model shell fragment;
Fig. 2 is the front view of the utility model shell fragment;
Fig. 3 is the rearview of the utility model shell fragment;
Fig. 4 is the end view of Fig. 3;
Fig. 5 is the vertical view of the utility model shell fragment.
The drawing reference numeral explanation of embodiment:
Base portion 1
[embodiment]
For ease of better understanding the purpose of this utility model, structure, feature and effect etc., existing the utility model is described in further detail with embodiment by reference to the accompanying drawings.
The utility model elastic piece structure is used for an electronic component (not shown) is electrically conducted to a circuit board (not shown).
See also Fig. 1, described shell fragment is bent to form by a sheet metal punching press, and it comprises a base portion 1, and described base portion 1 is tabular.
See also Fig. 1 to Fig. 3, bend downwards from an end of described base portion 1 and extend an elastic arm 2, and described base portion 1 is downwardly against described elastic arm 2.Described elastic arm 2 comprises a junction 21, described connecting portion 21 connects an end of described base portion 1, other end direction from described connecting portion 21 towards described base portion 1 is extended with an extension 22, described extension 22 roughly is tabular and substantially all is positioned at the below of described base portion 1, in other embodiments also can for, described extension 22 parts are positioned at the below of described base portion 1.Described extension 22 extends upward towards the bottom surface near described base portion 1 gradually, described base portion 1 is only against the joint of described extension 22 and described contact-segment 23, in other embodiments also can for, described base portion 1 is downwardly against other position of described contact-segment 23.Described base portion 1, described connecting portion 21 and the 22 triangularity settings of described extension, in other embodiments also can for, described base portion 1 and described extension 22 are open setting away from described connecting portion 21 places.
See also Fig. 1 and Fig. 5, upwards a contact-segment 23 is extended in bending from described extension 22, and described contact-segment 23 upwards manifests an end of described base portion 1, and described connecting portion 21 and described contact-segment 23 lay respectively at the two ends of described base portion 1.The top of described contact-segment 23 is convexly equipped with and is formed with a contact site 231, and described contact site 231 forms for riveting, and higher than described base portion 1.
See also Fig. 1 to Fig. 3, extend to form a kink 3 from the bending downwards of described base portion 1, described kink 3 roughly is 90 angle settings with described base portion 1, arranges for the gap between described extension 22 and described kink 3, namely both do not contact, have certain distance.And described kink 3 and described connecting portion 21 are to extend to form from the adjacent edge of described base portion 1 respectively.
See also Fig. 1 to Fig. 4, the horizontal-extending that is 90 angles from described kink 3 forms a weld part 4, described kink 3 connects described weld part 4 and described base portion 1, the below that described weld part 4 is positioned at described extension 22 roughly is tabular and be arranged in parallel with described base portion 1, in other embodiments also can for, described weld part 4 and described base portion 1 can be for being obliquely installed.Described weld part 4 substantially all is positioned at the below of described base portion 1, and described extension 22 has reduced the whole height of described shell fragment between described base portion 1 and described weld part 4.Be between described extension 22 and described weld part 4 that the gap arranges, in other embodiments also can for, between described extension 22 and described weld part 4 partly against.
Making of described elastic piece structure the present embodiment is specific as follows:
One sheet material is provided, at first forms described base portion 1, then be bent to form described connecting portion 21 from an end of described base portion 1.Then bending extends to form described extension 22, makes described extension 22 towards the inclined bottom surface of described base portion 1, and described base portion 1 is downwardly against described extension 22.Then upwards be bent to form described contact-segment 23, make described contact-segment 23 upwards manifest an end of described base portion 1, and form described contact site 231 in the top of described contact-segment 23 riveting, described contact site 231 is higher than described base portion 1.At last, a lateral buckling in the adjacent described connecting portion 21 of described base portion 1 extends to form described kink 3, make between described kink 3 and described extension 22 and have a gap, form described weld part 4 from described kink 3 horizontal-extendings again, described weld part 4 is positioned at the below of described extension 22, and be arranged in parallel with described base portion 1.
In other embodiments also can for, first form described weld part 4, be bent to form again described kink 3, then before being bent to form described base portion 1, described elastic arm 2 is bent, be that described elastic arm 2 is made in advance with the position relationship of described base portion 1, last described elastic arm 2 after directly bending being completed and institute base portion 1 relative described kink 3 bendings can form the structure of described shell fragment.
Perhaps first riveting formation on described contact-segment 23 of described contact site 231, the relatively described extension 22 of described contact-segment 23 bends, the relatively described connecting portion 21 in described extension 22 bends, make again described base portion 1 be bent to form described kink 3, thereby form the position relationship of described base portion 1 and described elastic arm 2.Therefore the mode of making of described shell fragment is not limited to above-mentioned several types.
After above-mentioned shell fragment is made, first described weld part 4 is soldered to described circuit board, then described electronic component is positioned over the top of described shell fragment, and the downward described contact site 231 of crimping, in use, described contact-segment 23 is because compressing also of described electronic component can be along with to bottom offset, and also gradually downward distortion of described extension 22 thereupon makes the distance between described extension 22 and described base portion 1 pull open.Described weld part 4 be arranged in parallel with described base portion 1, and when the described contact site 231 of the downward crimping of described electronic component, the stability of described shell fragment integral body better is not easy to rock.
In sum, the utility model shell fragment has following beneficial effect:
(1) when described electronic component contacts with described contact site 231 downwards, be connected with described base portion 1 and described extension 22 between described contact-segment 23 and described weld part 4, therefore the elasticity of described shell fragment is better, even described shell fragment is repeatedly applied active force, can not produce non-response plastic deformation yet, extend its useful life.
(2) described contact-segment 23 connects described extension 22, and described extension 22 is to extend and part is positioned at described base portion 1 below from described base portion 1 bending downwards, described base portion 1 extends laterally described weld part 4 again, described weld part 4 is positioned at the below of described extension 22 and is soldered on described circuit board, therefore when the described contact-segment 23 of the downward crimping of described electronic component, described contact-segment 23 can drive described extension 22 to bottom offset, make between described extension 22 and described base portion 1 and pull open certain distance, the problem that stress is concentrated can not occur so fully, described shell fragment just more can fracture situation.
(3) described connecting portion 21 and described contact-segment 23 lay respectively at the two ends of described base portion 1, and moulding is easy and reduced the whole height of described shell fragment.
(4) described kink 3 and described connecting portion 21 are the adjacent edges that are separately positioned on described base portion 1, first an end is bent to form described elastic arm 2, be bent to form in the process of described weld part 4 in side direction, described weld part 4 is not easy to lose described elastic arm 2, carry out bending forming, simple process from different both directions.
For the gap arranges, be also for fear of making the described elastic arm 2 of middle damage between described extension 22 and described kink 3.
(5) described base portion 1 is against described elastic arm 2, precompression is provided for described shell fragment, and in the present embodiment, described base portion 1 is only against the joint of described extension 22 and described contact site 231, and described extension 22 is to extend from the bottom surface bending towards described base portion 1 gradually of described connecting portion 21, both realize the function of described shell fragment precompressed, and larger plastic deformation and elastic displacement space were provided for again described extension 22, secondly also can play to described elastic arm 2 effect of buffering.
(6) be between described extension 22 and described weld part 4 that the gap arranges, can provide described extension 22 elastic displacement spaces, increase the elasticity of described shell fragment, increase the service life.
Upper detailed description is only the explanation of the preferred embodiment of the utility model, and is non-so limit to the scope of the claims of the present utility model, so the equivalence techniques that all this creation of utilization specifications and diagramatic content are done changes, and all is contained in the scope of the claims of the present utility model.
Claims (10)
1. a shell fragment, is characterized in that, comprising:
One base portion;
One elastic arm bends extension downwards from described base portion one end, and described elastic arm has at least part of described base portion below of being positioned at, an extension, and upwards a contact-segment of described base portion is extended and manifested in bending from described extension;
One weld part, from a side direction downward-extension formation of described base portion, and at least part of below that is positioned at described extension.
2. shell fragment as claimed in claim 1, it is characterized in that: described elastic arm comprises a junction that extends from described base portion one end bending, described extension connects described connecting portion and extends towards the direction of described base portion, and described base portion, described connecting portion and described extension triangularity arrange.
3. shell fragment as claimed in claim 2, it is characterized in that: described connecting portion and described contact-segment lay respectively at the two ends of described base portion.
4. shell fragment as claimed in claim 2 is characterized in that: comprise that further a kink connects described base portion and described weld part, described kink and described connecting portion are to extend to form from the adjacent edge of described base portion respectively.
5. shell fragment as claimed in claim 4, is characterized in that: arrange for the gap between described extension and described kink.
6. shell fragment as claimed in claim 1, it is characterized in that: described base portion is against described elastic arm.
7. shell fragment as claimed in claim 1, it is characterized in that: described extension extends upward setting towards the bottom surface of described base portion, and described base portion is only against the joint of described extension and described contact-segment.
8. shell fragment as claimed in claim 1, it is characterized in that: described extension is between described base portion and described weld part.
9. shell fragment as claimed in claim 1, it is characterized in that: described extension extends upward setting gradually towards described base portion.
10. shell fragment as claimed in claim 1, is characterized in that: arrange for the gap between described extension and described weld part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220751843 CN203026686U (en) | 2012-12-28 | 2012-12-28 | Elastic strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220751843 CN203026686U (en) | 2012-12-28 | 2012-12-28 | Elastic strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203026686U true CN203026686U (en) | 2013-06-26 |
Family
ID=48650639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220751843 Expired - Fee Related CN203026686U (en) | 2012-12-28 | 2012-12-28 | Elastic strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203026686U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923134A (en) * | 2018-06-28 | 2018-11-30 | 华勤通讯技术有限公司 | A kind of flexible terminal |
| CN109818169A (en) * | 2017-11-20 | 2019-05-28 | 荣益科技股份有限公司 | High small table surface-mounted elastic sheet |
| CN110350347A (en) * | 2018-04-03 | 2019-10-18 | 富士康(昆山)电脑接插件有限公司 | Crimp connector |
-
2012
- 2012-12-28 CN CN 201220751843 patent/CN203026686U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818169A (en) * | 2017-11-20 | 2019-05-28 | 荣益科技股份有限公司 | High small table surface-mounted elastic sheet |
| CN109818169B (en) * | 2017-11-20 | 2020-12-08 | 荣益科技股份有限公司 | High table type miniature surface mounting spring sheet |
| CN110350347A (en) * | 2018-04-03 | 2019-10-18 | 富士康(昆山)电脑接插件有限公司 | Crimp connector |
| CN110350347B (en) * | 2018-04-03 | 2022-08-19 | 富士康(昆山)电脑接插件有限公司 | Crimp connector |
| CN108923134A (en) * | 2018-06-28 | 2018-11-30 | 华勤通讯技术有限公司 | A kind of flexible terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGGUAN JIESI INDUSTRY CO., LTD. Free format text: FORMER OWNER: CHEN HUANYI Effective date: 20130614 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130614 Address after: Humen North Gate Dongxiang road 523925 Guangdong city of Dongguan province No. 22 Patentee after: DONGGUAN JITS INDUSTRIAL Ltd. Address before: Humen North Gate Dongxiang road 523925 Guangdong city of Dongguan province No. 22 Patentee before: Chen Huanyi |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Humen North Gate Dongxiang road 523925 Guangdong city of Dongguan province No. 22 Patentee after: JITS COMM Co.,Ltd. Address before: Humen North Gate Dongxiang road 523925 Guangdong city of Dongguan province No. 22 Patentee before: DONGGUAN JITS INDUSTRIAL Ltd. |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Patent of Guangdong Jiesi Communication Co.,Ltd. The person in charge Document name: payment instructions |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Patent of Guangdong Jiesi Communication Co.,Ltd. The person in charge Document name: Patent termination notice |
|
| 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: 20130626 |