CN104953326A - Surface-mount lateral-expansion limit spring - Google Patents
Surface-mount lateral-expansion limit spring Download PDFInfo
- Publication number
- CN104953326A CN104953326A CN201510225237.4A CN201510225237A CN104953326A CN 104953326 A CN104953326 A CN 104953326A CN 201510225237 A CN201510225237 A CN 201510225237A CN 104953326 A CN104953326 A CN 104953326A
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- China
- Prior art keywords
- section
- mentioned
- elastic arm
- elastic sheet
- extended
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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
- H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
Abstract
A surface-mount lateral-expansion limit spring comprises a mounting limit body and at least one expansion tongue; the mounting limit body comprises an absorbing wall, sidewalls and a mounting bottom wall; the absorbing wall comprises an absorbing top face, two lateral edges and a front edge; the sidewalls are bent and extended from the lateral edges, respectively; each sidewall comprises a limiting portion; the mounting bottom wall is bent and extended from at least one of the sidewalls and is used for surface mounting; each expansion tongue comprises an elastic arm, extending from the front edge of the absorbing wall to leave the absorbing wall, and a limiting segment, bent from the elastic arm and extended to the corresponding limiting portion; each limiting segment has an end far away from the elastic arm, and two protrusions limited by the limiting portions, respectively, correspond to the end. The surface-mount lateral-expansion limit spring has the function of lateral elastic buffering.
Description
The application be the artificial Chen Wei of application really, denomination of invention is the Chinese patent application (application number is 201110422835.2) of " surperficial installation side is to direction telescopic limit elastic sheet ", the applying date is on December 16th, 2011) divisional application.
Technical field
A kind of surface-mounted elastic sheet, especially a kind of surperficial installation side is to direction telescopic limit elastic sheet.
Background technology
Shell fragment technology is in the development of microelectric technique, an important step no matter in ground connection, the various circuit such as shielding or signal transmission, connects or the buffering of mechanical structure contact position as circuit.Along with various electronic component is more and more meticulousr, shell fragment size also must be increasingly microminiaturized on the one hand, will need again the structural strength taking shell fragment itself into account on the contrary, the design difficulty of shell fragment is improved constantly.
A kind of Common surface mounting elastic sheet as shown in Figure 1, there is the welding section 91 that a confession is soldered to circuit board surface, welding section 91 is bent upwards thus, extend a slice elastic arm section 92, extended by elastic arm section 92 back-flexing again, formed and correspond to welding section 91 and supply the end face section 93 that suction is moved.By this, and surface-mounted elastic sheet can be drawn to move on circuit board and discharged behind precalculated position, and subsequently, shell fragment together enters reflow machine with circuit board and other circuit elements, makes the welded soldering of welding section 91 solid in the connection pad position of circuit board.The cushioning effect of this kind of shell fragment is through the angle of welding section 91 and elastic arm section 92 and elastic arm section 92 changes angle with the angle of end face section 93, by its stressed press down deformation time generation elastic-restoring force, bear the downforce above from end face section 93.
This kind of stressed direction of shell fragment one side is the Z axis linear pattern buffering spring sheet of simple above-below direction, and cannot respond for side direction force, the deformation that also cannot prevent layback from causing destroys; Secondly, this kind of shell fragment, between welding section 91 and end face section 93, leaves an obvious opening, once suffer that external force is pullled, elastic arm section 92 and end face section 93 very easily oppositely produce non-response permanent deformation, do not keep out the structural design of pulling force completely; In addition, even if stressed in predetermined downward force direction, once it is excessive to exert a force, do not have supernumerary structure to resist yet, shell fragment entirety will be caused to be crushed.Consider the exquisiteness of shell fragment size with microminiaturized, the risk that above-mentioned deformation damage occurs will increase day by day.
Therefore, how to reduce under shell fragment dimensional conditions, promoting the structural strength of above-below direction and side direction, allowing shell fragment can resist unexpected pullling and compression and not damaging, especially response side can provide buffering to force, be exactly the technological innovation part that the present invention attempts to provide.
Summary of the invention
An object of the present invention is to provide a kind of surface to install the surperficial installation side of buffering to direction telescopic limit elastic sheet.
Another object of the present invention is to provide one to resist press down, unlikely light flimsy surperficial installation side is to direction telescopic limit elastic sheet.
Another object of the present invention is to provide one can resist side direction shearing, and the surperficial installation side that unlikely skew damages is to direction telescopic limit elastic sheet.
Another object of the present invention is to provide the one not open opening of tool, not easily by the surperficial installation side surprisingly pullled to direction telescopic limit elastic sheet.
A kind of surperficial installation side, to direction telescopic limit elastic sheet, comprises a mounting limit body, comprises an absorption wall further, has absorption end face, two lateral margins and a leading edge; Two sidewalls extended by the bending of above-mentioned both side edges correspondence respectively, aforementioned lateral wall has a limiting section respectively; And one at least bends extension by one of above-mentioned two side, for the installation diapire that surface is installed; And at least one flexible tongue piece, comprise one from this absorption wall leading edge towards the elastic arm section extended away from this absorption wall; And one from the bending of this elastic arm section, extend towards above-mentioned limiting section spacing section; And this spacing section has an end away from this elastic arm section, to being formed with two respectively by the protuberance of above-mentioned limiting section limitation in end.
Through said structure, the present invention extends laterally out flexible tongue piece from mounting limit body, provides the pooling feature of side direction on the one hand; Another aspect, mounting limit body there is no unlimited opening, is unlikelyly pullled easily, and mounting limit body all provides at above-below direction and shearing direction and enough props up overfill protection, shell fragment overall construction intensity is improved, even if still not fragile after microminiaturization.The object that this designs provides vertical direction to engage can be subject to buffer protection, and such as, joint between electronic component with housing, electronic component are assigned with the vertical of electronic component, all can provide buffering effect with surperficial installation side of the present invention to direction telescopic limit elastic sheet.In addition, through said structure, the present invention more can oppositely extend flexible tongue piece in both sides respectively, forms two-sided buffering, reaches all above-mentioned effects.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of common technique;
Fig. 2 is the structure chart of surperficial installation side to direction telescopic limit elastic sheet of the present invention first preferred embodiment;
Fig. 3 is the structure chart of the mounting limit body of the present invention first preferred embodiment;
Fig. 4 is the schematic diagram of the installation diapire of the present invention first preferred embodiment;
Fig. 5 is the schematic diagram of the flexible tongue piece of the present invention first preferred embodiment;
Fig. 6 is the partial enlarged drawing of the flexible tongue piece of Fig. 5;
Fig. 7 is the schematic diagram of the limiting section of the present invention second preferred embodiment;
Fig. 8 is the schematic diagram of the flexible tongue piece of the present invention second preferred embodiment;
Fig. 9 is the schematic diagram of the bidirectional elastic buffering of the present invention the 3rd preferred embodiment.
Main element symbol description
Elastic arm section 92
Welding section 91
End face section 93
Mounting limit body 1,1 "
Absorption wall 11
Absorption end face 111
Lateral margin 113
Leading edge 115,115 "
Trailing edge 117 "
Sidewall 13,13 '
Half parts 130
Perforation 131
Depressed part 133 '
Diapire 15 is installed
Flexible tongue piece 3,3 '
Elastic arm section 31,31 '
Bending recurvation section 33 '
Spacing section 35,35 '
End 351
Protuberance 353,353 '
Auxiliary tongue piece 5 "
Embodiment
The present invention be a kind of surperficial installation side to direction telescopic limit elastic sheet, Fig. 2 is the structure chart of surperficial installation side to direction telescopic limit elastic sheet of the present invention first preferred embodiment.Comprise one and be welded in mounting limit body 1 on substrate and integrally formed with above-mentioned mounting limit body 1, and extend, provide the flexible tongue piece 3 of cushioning effect from above-mentioned mounting limit body 1.Mounting limit body 1 as shown in Figure 3, comprises 11, two, an absorption wall being positioned at top respectively from the sidewall 13 that this absorption wall 11 liang of lateral bends extend downwards, and relatively above-mentioned absorption wall 11, installation diapire 15 in order to welded and installed.Because mounting limit body 1 is at above-below direction and connect direction, two side 13 and all form closed shelly, mechanical strength is higher in both directions to make shell fragment entirety, not easily pressurized or push by shearing and produce deformation.
Above-mentioned sidewall 13 respectively has at least one limiting section, and limiting section releases example for being respectively formed at a D type perforation 131 of two side 13 central authorities at this.Shown in Fig. 4, two side 13 lower edge extends toward the bottom bend on absorption wall 11 opposite respectively, forms two half parts 130 complimentary to one another, uses common composition installation diapire 15.Certainly, knowing art technology person can know by inference easily, installs diapire and also can be formed separately by one of two side.
For the purpose of illustrating, as shown in Figure 5, above this definition absorption wall 11, side is absorption end face 111, and claiming absorption wall 11 to be positioned at graphic top and below, to extend two ora terminalis of above-mentioned sidewall 13 is two lateral margins 113, the ora terminalis of graphic lower left is then called leading edge 115, and namely flexible tongue piece 3 is extended by leading edge 115.Flexible tongue piece 3 comprises that one section is stretched outward from leading edge 115, in order to provide the elastic arm section 31 of buffering, and one section is reversed spacing section 35 that extends towards mounting limit body 1 by elastic arm section 31.
As shown in Figure 6, comprise an end 351 extended in mounting limit body 1 for spacing section 35, end 351 away from elastic arm section 31 is corresponding to two side 13 place of mounting limit body 1, a protuberance 353 is formed respectively at left and right side, the perforation 131 in sidewall 13 is penetrated by protuberance 353, protuberance 353 is made to be subject to the spacing of perforation 131, spacing section 35 move thus be restricted, when normal External Force Acting, flexible tongue piece 3 will be reduced in part in mounting limit body 1, provides mechanical damping and the conductive contact of side direction; Relatively, when impacting larger, spacing section of 35 pressurizeds are shunk back backward, and protuberance 353, by being subject to the restriction of perforation 131, provides block, prevent spacing section 35 to be out of shape by excessive compression, lose original pooling feature.Especially, observed can be found by side, flexible tongue piece 3 forms an enclosed construction jointly with mounting limit body 1, and owing to not having open opening, flexible tongue piece 3 can not be pullled unexpectedly and cause shell fragment to damage.
Certainly, being familiar with the art personage can know by inference easily, and said structure is just for illustrating but not limitation, and limiting section namely as shown in Figure 7, is reelected the pattern being selected as depressed part 133 ' by the present invention second preferred embodiment.In the fabrication process, not thrust and form perforation, but exert pressure via mould pull, allow sidewall 13 ' produce arcuate recess distortion and to form the depressed part 133 ' of this example.Left and right two protuberance 353 ' of spacing section 35 ' can move freely in the depressed part 133 ' scope of correspondence, once arrive depressed part 133 ' fringe region, can play the effect of moving-limiting, reach limit function.Flexible tongue piece 3 ' in this example then as shown in Figure 8, between elastic arm section 31 ' and spacing section 35 ', is additionally formed with one section of bending recurvation section 33 ', stressed by multiple bending dispersion, makes flexible tongue piece 3 ' have better buffering effect.
When providing elastic buffer to be connected with conduction if all need in the head and the tail both sides of shell fragment, the present invention the 3rd preferred embodiment as shown in Figure 9, at mounting limit body 1 " relative to leading edge 115 " trailing edge 117 " on; extend a slice equally and assist tongue piece 5 ", the auxiliary tongue piece 5 in this example " be also in employing second preferred embodiment bending recurvation section design.Thus, surperficial installation side of the present invention can provide the buffering of two sides simultaneously to direction telescopic limit elastic sheet.Once need the electronic component pooling feature providing close proximity, the design of two-sided buffering makes single shell fragment just can reach above-mentioned effect.In microelectronic element mounting technique field, effectively can reduce the waste in space, the shell fragment quantity used will be needed to reduce by half, the material also needed for synchronous reduction installation and construction cost; Reach above-mentioned every effect by this.
The above is preferred embodiment of the present invention only, when not limiting scope of the invention process with this, namely generally does simple equivalence change according to claims of the present invention and description and modifies, all still remain within the scope of the patent.
Claims (5)
1. surperficial installation side is to a direction telescopic limit elastic sheet, comprising:
A mounting limit body, comprises further
An absorption wall, has absorption end face, two lateral margins and a leading edge;
Two sidewalls extended by the bending of above-mentioned both side edges correspondence respectively, aforementioned lateral wall has a limiting section respectively; And
One at least bends extension by one of above-mentioned two side, for the installation diapire that surface is installed; And
At least one flexible tongue piece, comprises
One from this absorption wall leading edge towards the elastic arm section extended away from this absorption wall; And
One from the bending of this elastic arm section, extend towards above-mentioned limiting section spacing section; And this spacing section has an end away from this elastic arm section, to being formed with two respectively by the protuberance of above-mentioned limiting section limitation in end.
2. surperficial installation side as claimed in claim 1 is to direction telescopic limit elastic sheet, and wherein above-mentioned limiting section is formed in two perforation in above-mentioned sidewall respectively.
3. surperficial installation side as claimed in claim 1 is to direction telescopic limit elastic sheet, and wherein above-mentioned limiting section is formed in two depressed parts in above-mentioned sidewall respectively.
4. the surperficial installation side as described in claim 1,2 or 3 is to direction telescopic limit elastic sheet, and wherein this installation diapire is made up of half parts that two are extended by the bending of above-mentioned two side respectively.
5. the surperficial installation side as described in claim 1,2 or 3 is to direction telescopic limit elastic sheet, and wherein above-mentioned flexible tongue piece more comprises between this elastic arm section and spacing intersegmental bending recurvation section.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110422835.2A CN103166024B (en) | 2011-12-16 | 2011-12-16 | Surface installation side is to direction telescopic limit elastic sheet |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110422835.2A Division CN103166024B (en) | 2011-12-16 | 2011-12-16 | Surface installation side is to direction telescopic limit elastic sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104953326A true CN104953326A (en) | 2015-09-30 |
Family
ID=48588889
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510225237.4A Pending CN104953326A (en) | 2011-12-16 | 2011-12-16 | Surface-mount lateral-expansion limit spring |
| CN201110422835.2A Active CN103166024B (en) | 2011-12-16 | 2011-12-16 | Surface installation side is to direction telescopic limit elastic sheet |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110422835.2A Active CN103166024B (en) | 2011-12-16 | 2011-12-16 | Surface installation side is to direction telescopic limit elastic sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104953326A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161869A (en) * | 2015-08-24 | 2015-12-16 | 华一精密机械(昆山)有限公司 | Novel elastic sheet |
| WO2018120801A1 (en) * | 2016-12-28 | 2018-07-05 | 歌尔股份有限公司 | Connecting elastic piece, speaker unit, and electronic device |
| JP6819510B2 (en) * | 2017-08-16 | 2021-01-27 | 株式会社オートネットワーク技術研究所 | connector |
| CN108923134A (en) * | 2018-06-28 | 2018-11-30 | 华勤通讯技术有限公司 | A kind of flexible terminal |
| CN112534652B (en) * | 2018-07-31 | 2022-11-29 | 株式会社Tps创作 | Spring contact and method for forming spring contact |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6050862A (en) * | 1997-05-20 | 2000-04-18 | Yazaki Corporation | Female terminal with flexible contact area having inclined free edge portion |
| CN2618411Y (en) * | 2003-03-26 | 2004-05-26 | 佳颖精密企业股份有限公司 | Grounded elastic sheet |
| CN2704933Y (en) * | 2004-04-02 | 2005-06-15 | 佳颖精密企业股份有限公司 | Grounded sheet spring |
| CN201194254Y (en) * | 2008-05-19 | 2009-02-11 | 珑骅科技有限公司 | Conductive shrapnel |
| CN101959384A (en) * | 2009-07-20 | 2011-01-26 | 陈惟诚 | Surface mounting elastic sheet with supporting section and blocking adsorption section |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2850799B2 (en) * | 1995-06-16 | 1999-01-27 | 住友電装株式会社 | Terminal fitting and joint connector using the same |
| JP3645449B2 (en) * | 1999-06-17 | 2005-05-11 | 矢崎総業株式会社 | Terminal structure |
| CN2514508Y (en) * | 2001-10-18 | 2002-10-02 | 陈惟诚 | Surface binding miniature reed |
| JP4244939B2 (en) * | 2005-02-02 | 2009-03-25 | 住友電装株式会社 | Terminal fitting |
-
2011
- 2011-12-16 CN CN201510225237.4A patent/CN104953326A/en active Pending
- 2011-12-16 CN CN201110422835.2A patent/CN103166024B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6050862A (en) * | 1997-05-20 | 2000-04-18 | Yazaki Corporation | Female terminal with flexible contact area having inclined free edge portion |
| CN2618411Y (en) * | 2003-03-26 | 2004-05-26 | 佳颖精密企业股份有限公司 | Grounded elastic sheet |
| CN2704933Y (en) * | 2004-04-02 | 2005-06-15 | 佳颖精密企业股份有限公司 | Grounded sheet spring |
| CN201194254Y (en) * | 2008-05-19 | 2009-02-11 | 珑骅科技有限公司 | Conductive shrapnel |
| CN101959384A (en) * | 2009-07-20 | 2011-01-26 | 陈惟诚 | Surface mounting elastic sheet with supporting section and blocking adsorption section |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103166024B (en) | 2015-11-18 |
| CN103166024A (en) | 2013-06-19 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150930 |