CN104617417B - Flexible terminal - Google Patents
Flexible terminal Download PDFInfo
- Publication number
- CN104617417B CN104617417B CN201410791250.1A CN201410791250A CN104617417B CN 104617417 B CN104617417 B CN 104617417B CN 201410791250 A CN201410791250 A CN 201410791250A CN 104617417 B CN104617417 B CN 104617417B
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- China
- Prior art keywords
- elastic arm
- arm
- welding base
- body portion
- elastic
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- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/245—Contacts for co-operating by abutting resilient; resiliently-mounted by stamped-out resilient contact arm
Landscapes
- Telephone Set Structure (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The present invention discloses a kind of flexible terminal, including welding base, contact flat spring and support elastic sheet；Contact flat spring includes the first elastic arm and the first contact site, and from welding base, integrally bending extension is formed and is suspended from welding base above the first elastic arm, is formed to deform between the first elastic arm and welding base and allows bit space；Support elastic sheet includes the second elastic arm and is formed in the second contact site of the second free end of elastic arm, from welding base, integrally bending extends second elastic arm, second elastic arm is suspended from Aforesaid deformation by bit space, and its second contact site brace type is butted on the first elastic arm；Thereby so that the first contact site of contact flat spring has larger positive force, and the design of double elastic arms can effectively avoid product because by the phenomenon that resonance leads to hit occurs during external impacts, contact stabilization is more preferable between element, improves properties of product；Meanwhile this kind of flexible terminal has many advantages, such as low manufacture cost, stabilized structure, easily draws, occupies little space.
Description
Technical field
The present invention relates to connection terminal field technologies, refer in particular to a kind of flexible terminal.
Background technology
The nowadays portable electronic device more and more diversified epoch, frivolous, high intelligence, shatter-resistant, waterproof and dustproof etc. by
Gradually become the development trend of portable device indispensability, special such as mobile phone, tablet computer electronic product are frivolous, high intelligent, anti-
Falling anti-seismic performance seems especially important.In order to which the portable device for ensureing high-speed cruising can also be transported normally when by external impacts
Row, the connecting interface of high stable contact performance play the role of pass and build.
And such as battery of mobile phone base connector realizes company usually using an elastic tip subclass connector is inlayed in insulating base at present
Connect, and often the occupied space when carrying insulating base is big for this connector, single flexible terminal be difficult provide it is larger just
To contact force, and Long Term Contact easily occurs permanent deformation and contact resistance is made to increase or cannot normally contact, by external impacts
When be directed at because resonance occurs when approaching with impact endurance test shock frequency or being equal easily occur in the intrinsic frequency of unitary elasticity arm and contact wink
The problems such as disconnected, so as to which the more reliable connection request of emerging portable device can not be met.
Invention content
In view of this, in view of the deficiencies of the prior art, the present invention aims to provide a kind of flexible terminal,
It occupies little space, larger contact force can be provided, hit phenomenon does not occur when being shaken by external impacts, meet high stable contact
It can requirement；
Another object of the present invention is to provide a kind of flexible terminal, by drawing the setting of platform, SMT processing is facilitated to inhale
It takes.
To achieve the above object, the present invention is using following technical solution：
A kind of flexible terminal includes welding base, contact flat spring and support elastic sheet；The contact flat spring includes the first bullet
Property arm and be formed in the first free end of elastic arm for the first contact site in electrical contact, first elastic arm is from welding base one
Body bending extension is formed and is suspended from above welding base, and deformation is formed between the first elastic arm and welding base and allows bit space；
The support elastic sheet includes the second elastic arm and is formed in the second contact site of the second free end of elastic arm, this second
From welding base, integrally bending extends elastic arm, which is suspended from Aforesaid deformation by bit space, and its second
Contact site brace type is butted on the first elastic arm.
As a preferred embodiment, the intrinsic frequency of the contact flat spring and support elastic sheet is unequal.
As a preferred embodiment, from welding base, two pairs of side positions are bent first and second elastic arm in opposite directions respectively
Extension.
As a preferred embodiment, the both sides on the welding base between corresponding first and second elastic arm extension initial position
Side is folded upward at extending to form lateral folded plate respectively；Receiving space, aforementioned first and second elastic arm are formed between the two lateral folded plate
In receiving space；Lateral folded plate upper edge turns down towards receiving space and horizontal-extending is formed with absorption platform, the first bullet
Property arm pass through draw platform below and with draw platform keep between the upper and lower away from.
As a preferred embodiment, the extending end for drawing platform is overlapped in another lateral folded plate upper surface.
As a preferred embodiment, first elastic arm include be integrally connected to welding base elastic foldable portion,
Transverse arm body portion that own elasticity folding part extending end integrally extends to form, from transverse arm body portion, extending end is integrally folded upward at
The oblique arm body portion of extension；The oblique arm body portion top bends downward and is downwardly extending adjutage body portion, bending part
Aforementioned first contact site is formed, the extending end in adjutage body portion is set up towards inner bending；The of aforementioned second elastic arm
Two contact sites are butted on transverse arm body portion, and aforementioned absorption platform, which corresponds to, to be located above transverse arm body portion.
As a preferred embodiment, the both side edges in the adjutage body portion are respectively facing oblique arm body portion bending and extend to form
There is reinforcement folded plate, the adjutage body portion, two reinforcement folded plates and oblique arm body portion are enclosed the structure that section is in back-shaped framework；Institute
It states lateral folded plate and bends backward and be spliced to form baffle, aforementioned adjutage body portion is extended downwardly into encloses shape by two lateral folded plates and baffle
Into space in.
As a preferred embodiment, Pressing Deformation is fluted among first contact site, and respective back surfaces are convex to deform
Portion, groove both sides are effective contact site.
As a preferred embodiment, it is opened up on the welding base and eats tin hole convenient for welding.
As a preferred embodiment, the second elastic arm extension initial position both sides, which each extend over, is formed with and welding base
The auxiliary positioning arm that portion bottom surface flushes.
The present invention has clear advantage and advantageous effect compared with prior art, specifically, by above-mentioned technical proposal
It understands：
First, pass through the design of support elastic sheet so that the first contact site has larger positive force, is contacted between element steady
It is qualitative more preferable, properties of product are improved, meanwhile, the elastic buffer that shrapnel is supported in the downward compression process of contact flat spring is made
With contact flat spring is less prone to permanent deformation；
2nd, the respective elastic arm of force of aforementioned contact shrapnel and support elastic sheet is designed as different length, to avoid because of vibrations
Generate hit phenomenon, it is ensured that be always maintained at contact conducting, and in traditional technology only one shrapnel its inevitably in certain specific frequencies
Vibrations under generate hit phenomenon；
3rd, this kind of flexible terminal is equivalent to the connector for exempting from plastic cement seat, and manufacture cost is relatively low, directly by the metal of thin slice
Sheet metal forming bending forms, and it occupies little space, overall weight is lighter, more meets lightening, miniaturized electronic product
Design requirement；
4th, this kind of flexible terminal is equivalent to the bilateral connector with single connecting pin, compares those fixed connection ends
For quantity and the connector of arrangement, application is more flexible, and when application can freely convert arrangement combination position, quantity on demand
Deng to obtain required connecting pin；
5th, lateral folded plate, absorption platform and the baffle being integrally bent to form on the welding base, on the one hand, so that the bullet
Property terminal have good structural strength, on the other hand, contact flat spring, support elastic sheet are also contained in its space enclosed
Interior, contact flat spring, support elastic sheet are not easy to hook to foreign object or by F. O. D in procedure for producing；Especially, setting for platform is drawn
It puts, drawing transfer convenient for automatic job is used, and also ensures that flexible terminal will not be damaged in suction process；
6th, it at first contact site, is formed with to enclose to form by adjutage body portion, two reinforcement folded plates and oblique arm body portion and cut
Face is in the structure of back-shaped framework so that the first contact site has preferable structural strength, is less prone to deformation, and it is steady to be conducive to contact
It is fixed；
7th, second elastic arm extension initial position both sides, which each extend over, is formed with auxiliary positioning arm, is equivalent to the second bullet
Property arm starting extension in the middle part of the welding base, for from welding base portion side edge as starting extension, flexible terminal is whole
Occupied space smaller, welding base positioning action is more preferable, is more suitable for lightening, miniaturized design.
More clearly to illustrate the structure feature and effect of the present invention, come below in conjunction with the accompanying drawings with specific embodiment to this hair
It is bright to be described in detail.
Description of the drawings
Fig. 1 is the assembling perspective representation of first angle in embodiments of the present invention；
Fig. 2 is the assembling perspective representation of second angle in embodiments of the present invention；
Fig. 3 is the assembling perspective representation of third angle in embodiments of the present invention；
Fig. 4 is the assembling perspective representation of fourth angle in embodiments of the present invention；
Fig. 5 is the cross section structure diagram of embodiments of the present invention.
Attached drawing identifier declaration：
10th, welding base 11, eat tin hole
12nd, molten tin bath 13, auxiliary positioning arm are hindered
20th, contact flat spring 21, the first elastic arm
211st, elastic foldable portion 212, transverse arm body portion
213rd, oblique arm body portion 214, adjutage body portion
215th, strengthen folded plate 22, the first contact site
221st, groove 222, effective contact site
23rd, deformation allows bit space L1, first arm of force
30th, support elastic sheet 31, the second elastic arm
32nd, the second contact site L2, second arm of force
41st, lateral folded plate 42, absorption platform
43rd, spacing 44, receiving space
45th, baffle 46, limit space.
Specific embodiment
It please refers to shown in Fig. 1 to Fig. 5, that show the concrete structure of embodiments of the present invention, this kind of elastic tip attached bags
Welding base 10, contact flat spring 20 and support elastic sheet 30 are included；This kind of flexible terminal is equivalent to the connector for exempting from plastic cement seat, straight
It connecing and is formed by the sheet metal punching bending of thin slice, manufacture cost is relatively low, and the parts such as no plastic cement seat simplify assembling,
Occupied space smaller, overall weight are lighter, more meet the design requirement of lightening miniaturized electronic product.
Wherein, which includes the first elastic arm 21 and is formed in 21 free end of the first elastic arm and be used for electrically
First contact site 22 of contact, first elastic arm 21 form from 10 one bending extension of welding base and are suspended from welding base 10
Top forms deformation and allows bit space 23 between the first elastic arm 21 and welding base 10；
The support elastic sheet 30 includes the second elastic arm 31 and the second contact site for being formed in 31 free end of the second elastic arm
32, which extends, and the first elastic arm 21, the second elastic arm 31 are distinguished from 10 one bending of welding base
Extension is bent in opposite directions from two pairs of side positions on welding base 10；Second elastic arm 31 is suspended from Aforesaid deformation by bit space 23,
And its 32 brace type of the second contact site is butted on the first elastic arm 21, so that the first contact site 22 has larger positive force, with
Contact stabilization is more preferable between element, improves properties of product, meanwhile, it is supported bullet in 20 downward compression process of contact flat spring
The elastic buffer effect of piece 30, contact flat spring 20 are less prone to permanent deformation；
As shown in figure 5, in the present embodiment, 22 stress point of the first contact site forms the with respect to 21 fulcrum of the first elastic arm
One arm of force L1,32 stress point of the second contact site form the second arm of force L2, first arm of force with respect to 31 fulcrum of the second elastic arm
L1, the second arm of force L2 length are unequal, and the contact flat spring and support elastic sheet intrinsic frequency are unequal, and wink is generated to avoid because of vibrations
Disconnected phenomenon.
With reference to shown in Fig. 1 to Fig. 4, corresponding first elastic arm 21, the extension starting of the second elastic arm 31 on the welding base 10
By both sides between position, it is folded upward at extending to form lateral folded plate 41 respectively；Receiving space 44 is formed between the two lateral folded plate 41,
Aforementioned first elastic arm 21, the second elastic arm 31 are located in receiving space 44；Lateral 41 upper edge of folded plate is towards receiving space 44
It turns down and horizontal-extending be formed with draws platform 42, the extending end of the absorption platform 42 is overlapped in another 41 upper end of lateral folded plate
Face, in this way, the lateral folded plate 41 is equivalent to the branch Brace portions that platform 42 is drawn for branch Brace；Aforementioned first elastic arm 21, which passes through, to be inhaled
It makes even and the lower section of platform 42 and is kept between the upper and lower away from 43 with drawing platform 42；The setting of platform 42 is drawn, it should convenient for flexible terminal assembling
Automatic job is drawn transfer and is used during in electronic product, also ensures that flexible terminal will not be damaged in suction process；
And the lateral folded plate 41 bends be spliced to form baffle 45 backward, prevents foreign matter from entering, meanwhile, baffle 45 and two
Lateral folded plate 41 is enclosed limit space 46, and following adjutage body portions 214 are extended downwardly into the limit space 46, is conducive to really
Protecting when the first contact site 22 is swung up and down with the first elastic arm 21 has good location, contact flat spring 20, support in procedure for producing
Shrapnel 30 is not easy to hook to foreign object or by F. O. D.
In this present embodiment, as shown in figure 5, first elastic arm 21 includes the elasticity for being integrally connected to welding base 10
Transverse arm body portion 212 that folding part 211,211 extending end of own elasticity folding part integrally extend to form, from transverse arm body portion 212
Extending end is integrally folded upward at the oblique arm body portion 213 of extension；Second contact site 32 of aforementioned second elastic arm 31 is butted on horizontal stroke
To arm body portion 212, aforementioned absorption platform 42, which corresponds to, is located at 212 top of transverse arm body portion；
Oblique 213 top of arm body portion bends downward and is downwardly extending adjutage body portion 214, and bending part is formed
Aforementioned first contact site 22, the extending end in adjutage body portion 214 are set up towards inner bending, the adjutage body portion 214
Both side edges, which are respectively facing the oblique bending of arm body portion 213 and have extended to form, strengthens folded plate 215, which strengthens folding
Plate 215 and oblique arm body portion 213 are enclosed the structure that section is in back-shaped framework so that the first contact site 22 has preferable knot
Structure intensity is less prone to deformation, is conducive to contact and stablizes；And 22 intermediate Pressing Deformation of the first contact site is fluted herein
221, respective back surfaces are deformation protrusion, and 221 both sides of groove are effective contact site 222.
In addition, tin hole 11 is eaten as shown in figure 4, being opened up on aforementioned welding base 10, convenient for welding, meanwhile, contact flat spring
20 starting extended position is provided with resistance molten tin bath 12；Herein, the second elastic arm 31 extension initial position both sides each extend over to be formed
There is auxiliary positioning arm 13, which flushes with 10 bottom surface of welding base, is equivalent to the second elastic arm 31 from welding base
10 middle part starting extension of portion, for from welding base portion side edge as starting extension, the structure design in the present embodiment occupies
Space smaller is more suitable for lightening, miniaturized design.
The design focal point of the present invention is, mainly by the design of support elastic sheet so that the first contact site have compared with
Big positive force, contact stabilization is more preferable between element, improves properties of product；Meanwhile this kind of flexible terminal is equivalent to and exempts from
The connector of plastic cement seat, manufacture cost is relatively low, is directly formed by the punching bending of the sheet metal of thin slice, occupied space
It is small, overall weight is lighter, more meets the design requirement of lightening miniaturized electronic product, and its application is flexible, can on demand freely
Transformation arrangement combination position, quantity etc., to obtain required connecting pin.
The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention,
Therefore any subtle modifications, equivalent variations and modifications that every technical spirit according to the present invention makees above example, still
Belong in the range of technical solution of the present invention.
Claims (3)
1. a kind of flexible terminal, it is characterised in that：Include welding base, contact flat spring and support elastic sheet；The contact flat spring
It is unequal with support elastic sheet intrinsic frequency；
The contact flat spring includes the first elastic arm and is formed in the first free end of elastic arm for the first contact in electrical contact
Portion, from welding base, integrally bending extension is formed and is suspended from above welding base first elastic arm, the first elastic arm and welding
Deformation is formed between base portion and allows bit space；
The support elastic sheet includes the second elastic arm and is formed in the second contact site of the second free end of elastic arm, second elasticity
From welding base, integrally bending extends arm, which is suspended from Aforesaid deformation by bit space, and its second contact
Portion's brace type is butted on the first elastic arm；Second elastic arm starting extension, second elastic arm from the middle part of welding base prolong
It stretches initial position both sides and each extends over the auxiliary positioning arm for being formed with and being flushed with welding base bottom surface；
From welding base, two pairs of side positions bend extension to first and second elastic arm in opposite directions respectively；It is right on the welding base
It answers by the both sides between first and second elastic arm extension initial position, is folded upward at extending to form lateral folded plate respectively；The two lateral folding
Receiving space is formed between plate, aforementioned first and second elastic arm is located in receiving space；Lateral folded plate upper edge is turned over towards receiving space
Roll over and it is horizontal-extending be formed with absorption platform, the first elastic arm, which passes through, to be drawn below platform；The extending end for drawing platform
It is overlapped in another lateral folded plate upper surface；
First elastic arm includes the elastic foldable portion for being integrally connected to welding base, own elasticity folding part extending end one
Transverse arm body portion that body extends to form, the oblique arm body portion that extension is integrally folded upward at from transverse arm body portion extending end；This is tiltedly
It is bent downward to arm body portion top and is downwardly extending adjutage body portion, bending part forms aforementioned first contact site；Before
The second contact site for stating the second elastic arm is butted on transverse arm body portion, and aforementioned absorption platform, which corresponds to, to be located above transverse arm body portion；
The both side edges in the adjutage body portion are respectively facing oblique arm body portion bending and have extended to form reinforcement folded plate, adjutage body
The extending end in portion sets to stretch into region between two reinforcement folded plates up towards inner bending；The adjutage body portion, two strengthen folding
Plate and oblique arm body portion are enclosed the structure that section is in back-shaped framework；The lateral folded plate is bent backward is spliced to form baffle,
Aforementioned adjutage body portion is extended downwardly into the space being enclosed by two lateral folded plates and baffle.
2. flexible terminal according to claim 1, it is characterised in that：There is recessed Pressing Deformation among first contact site
Slot, respective back surfaces are deformation protrusion, and groove both sides are effective contact site.
3. flexible terminal according to claim 1, it is characterised in that：It is opened up on the welding base and eats tin convenient for welding
Hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410791250.1A CN104617417B (en) | 2014-12-19 | 2014-12-19 | Flexible terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410791250.1A CN104617417B (en) | 2014-12-19 | 2014-12-19 | Flexible terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104617417A CN104617417A (en) | 2015-05-13 |
| CN104617417B true CN104617417B (en) | 2018-06-15 |
Family
ID=53151765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410791250.1A Active CN104617417B (en) | 2014-12-19 | 2014-12-19 | Flexible terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104617417B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106162465A (en) * | 2016-08-30 | 2016-11-23 | 歌尔股份有限公司 | Shell fragment and loudspeaker monomer |
| CN108232524A (en) * | 2016-12-14 | 2018-06-29 | 上海徕木电子股份有限公司 | A kind of superminiature turriform short circuit shrapnel |
| CN106961024B (en) * | 2017-03-22 | 2023-08-04 | 深圳市信维通信股份有限公司 | High-height high-forward force spring plate connector |
| JP6985738B2 (en) * | 2018-01-16 | 2021-12-22 | 北川工業株式会社 | contact |
| CN109216957B (en) * | 2018-09-05 | 2024-09-13 | 深圳市信维通信股份有限公司 | Assembled shell fragment connector |
| CN110259677A (en) * | 2019-07-25 | 2019-09-20 | 绵阳富临精工机械股份有限公司 | A kind of electronic water pump vibration-proof structure |
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| CN1221236A (en) * | 1997-12-22 | 1999-06-30 | 惠特克公司 | elastic contact device |
| CN2809945Y (en) * | 2005-07-08 | 2006-08-23 | 普立尔科技股份有限公司 | A battery shrapnel structure |
| CN101145663A (en) * | 2006-09-11 | 2008-03-19 | 普立尔科技股份有限公司 | Battery contact spring |
| CN101997178A (en) * | 2009-08-26 | 2011-03-30 | 深圳富泰宏精密工业有限公司 | Elastic sheet structure |
| CN203218529U (en) * | 2013-04-15 | 2013-09-25 | 牟玲 | Double-loop spring-type connector |
| CN103594835A (en) * | 2012-08-14 | 2014-02-19 | 昆山信创电子有限公司 | An anti-collapse elastic sheet mounted on the surface of a circuit board |
| CN204289798U (en) * | 2014-12-19 | 2015-04-22 | 东莞联基电业有限公司 | Elastic terminal |
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2014
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1221236A (en) * | 1997-12-22 | 1999-06-30 | 惠特克公司 | elastic contact device |
| CN2809945Y (en) * | 2005-07-08 | 2006-08-23 | 普立尔科技股份有限公司 | A battery shrapnel structure |
| CN101145663A (en) * | 2006-09-11 | 2008-03-19 | 普立尔科技股份有限公司 | Battery contact spring |
| CN101997178A (en) * | 2009-08-26 | 2011-03-30 | 深圳富泰宏精密工业有限公司 | Elastic sheet structure |
| CN103594835A (en) * | 2012-08-14 | 2014-02-19 | 昆山信创电子有限公司 | An anti-collapse elastic sheet mounted on the surface of a circuit board |
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| Publication number | Publication date |
|---|---|
| CN104617417A (en) | 2015-05-13 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200904 Address after: 523000 Guangdong Province, Dongguan city Changan town usha community Chen Wu industrial zone sixth Beach Road No. 29 A District Patentee after: INTERCONNECT PRODUCTS Ltd. Address before: Dongguan 523000 Guangdong province Dongguan city Changan Town Industrial Zone sixth usha Lianji Electrical Company Limited Patentee before: FREEPORT RESOURCES ENTERPRISES Corp. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20211229 Address after: 523000 room 212, building 3, No. 42, Muxuan Chuangye 1st Road, Changping Town, Dongguan City, Guangdong Province Patentee after: Guangdong Lianji Precision Industry Co.,Ltd. Address before: 523000 District A, 29 Beach Road, Chen Wu Sixth Industrial Zone, Changan Town, Dongguan, Guangdong. Patentee before: INTERCONNECT PRODUCTS Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 523000, No. 138 Gangjian Road, Changping Town, Dongguan City, Guangdong Province Patentee after: Lianji Precision Electronics Co.,Ltd. Country or region after: China Address before: 523000 room 212, building 3, No. 42, Muxuan Chuangye 1st Road, Changping Town, Dongguan City, Guangdong Province Patentee before: Guangdong Lianji Precision Industry Co.,Ltd. Country or region before: China |