CN201285803Y - Crimp connected conductive terminal - Google Patents
Crimp connected conductive terminal Download PDFInfo
- Publication number
- CN201285803Y CN201285803Y CNU2008201391394U CN200820139139U CN201285803Y CN 201285803 Y CN201285803 Y CN 201285803Y CN U2008201391394 U CNU2008201391394 U CN U2008201391394U CN 200820139139 U CN200820139139 U CN 200820139139U CN 201285803 Y CN201285803 Y CN 201285803Y
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- CN
- China
- Prior art keywords
- terminal
- resilient contact
- joint type
- compression joint
- conducting terminal
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- Expired - Fee Related
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model discloses a compression joint type conduction terminal comprising a terminal main body and an elastic contact piece, wherein the terminal main body is provided with a supporting part which extends longitudinally; and the elastic contact piece is separably arranged on the supporting part, can deform along the radial direction and is provided with a closed groove which basically extends along the longitudinal direction and is closed at the end part. The arrangement ensures that the conduction terminal is easy to manufacture and process, has high structural strength and can provide stable electric transmission performance; in addition, the compression joint type conduction terminal can provide stronger retentivity after being inserted in a through hole of a circuit board and can be used repeatedly after being drawn out.
Description
Technical field
The utility model relates to a kind of conducting terminal that is applicable to electric connector, relates in particular to a kind of compression joint type conducting terminal.
Background technology
The connected mode of electric connector and circuit board mainly contains three kinds, be respectively that compression joint type connects (Press-Fit), through hole welding (Through Hole Solder) and surface soldered (SMT, Surface MountedTechnology), the connector that wherein adopts the compression joint type terminal with its low cost, high efficiency, simple to operate, substitutability strong and be widely used in industries such as communication, computer.
The flake terminal is modal compression joint type terminal, and as U.S. Pat 3,545, shown in 080, terminal bodies comprises a pressure contact portion, and pressure contact portion is made of flake shape hole that is formed at the middle part and the elastic arm that is positioned at the eyelet both sides.Under the state of not pegging graft as yet, two elastic arms deviate from outer opening mutually, make therebetween width greater than the width of terminal bodies remainder, in the via process of inserting circuit board, two elastic arms are subjected to the compressing of through-hole side wall and strain in opposite directions, thereby guarantee that terminal reliably remains in the through hole of circuit board.Because flake terminal manufacturing processing is simple, and applicable to the clear size of opening of relative broad range, so it be most widely used compression joint type terminal, but, this terminal conductive layer on the scuffing through-hole side wall easily in being pressed into the via process of circuit board.U.S. Pat 4,768,980 have disclosed another kind of compression joint type terminal, different with the flake terminal is, the cross section of its pressure contact portion is roughly c-shaped, and compared to the flake terminal, this structure can provide confining force preferably, and be difficult for scratching the conductive layer on the circuit board through-hole sidewall, but this terminal is not suitable for the circuit board of less clear size of opening.U.S. Pat 4,728,164 have disclosed another kind of compression joint type terminal, the cross section of the pressure contact portion of this terminal roughly is H shape, can provide terminal confining force preferably in circuit board through-hole, but because the cross section of pressure contact portion is comparatively complicated, make it make also difficulty relatively of processing.
Above-mentioned compression joint type terminal has a common characteristic, promptly all adopt the integral type design, that is to say that the pressure contact portion of above-mentioned terminal and terminal bodies are that one processes, as metal terminal is processed to form pressure contact portion by steps such as profile groove, jet-bedding, punching press, millings.Yet the pressure contact portion of this terminal needs earlier terminal bodies clamping, location are processed then in the course of processing, so makes procedure of processing complexity, difficulty, and the centrad of terminal also is difficult to control; In addition, terminal bodies will be emptied by borehole or part, make the sectional area of the pressure contact portion after processing diminish, thereby structural strength descends, heat conduction is good and concentrate at the pressure contact portion place easily, and the impedance of conducting terminal is reducing corresponding increase and then influencing the stability of electrical communications because of sectional area also; In addition, the release of the destroyed back of terminal bodies internal stress is easy to generate the phenomenon of fracture and distortion, and in the grafting process, break easily or lose in the junction of pressure contact portion and other parts of terminal bodies.Because these terminals have all adopted the integral type design, difficult reinstatement after terminal is extracted, thus adopt the electric connector of this compression joint type terminal can't continue again to use.
In view of this, be necessary existing compression joint type terminal is further improved, to address the above problem.
The utility model content
The purpose of this utility model is to provide a kind of compression joint type conducting terminal, and it is made, and processing is simple, structural strength is high, also can provide stable electric transmission performance.
Another purpose of the present utility model is to provide a kind of compression joint type conducting terminal, and it can provide stronger confining force behind the through hole that inserts circuit board, and can reuse after extracting.
To achieve these goals, the compression joint type conducting terminal of a kind of execution mode of the present utility model comprises terminal bodies and resilient contact, wherein terminal bodies has the support portion that lengthwise extends, resilient contact is arranged on the described support portion separably and can radially be out of shape, and resilient contact is provided with extend and closed slots closed end along longitudinally substantially.
As further improvement of the utility model, the outer surface of described resilient contact is a smooth surface.
As further improvement of the utility model, resilient contact also comprises extend and the open-ended open slot along longitudinally substantially.
As further improvement of the utility model, resilient contact is the c-shaped substantially sleeve in cross section.
As further improvement of the utility model, resilient contact is the rounded substantially sleeve in cross section.
As further improvement of the utility model, the sectional area at resilient contact middle part is greater than the sectional area at its vertical two ends.
As further improvement of the utility model, the quantity of described closed slots comprises two at least.
As further improvement of the utility model, described support portion is cylindrical shape, and vertical two ends of described resilient contact are coated on the outer surface of support portion, and its middle part then is arranged on the outer surface of support portion archedly.
As further improvement of the utility model, described terminal bodies also comprises main part, and the sectional area of described support portion is less than the sectional area of described main part.
As further improvement of the utility model, described terminal bodies also comprises tapered end.
Compared to existing technology, the beneficial effects of the utility model are: because the setting of closed slots can provide conducting terminal to have stronger confining force in the through hole of circuit board on the resilient contact, thereby guarantee machinery and electric connection reliably between electric connector and circuit board; And the outer surface of resilient contact main part is a smooth surface, so conducting terminal resilient contact in being pressed into the process of through hole can not scratch the conductive layer on the through-hole wall.In addition, has the bigger conduction surface that contacts between resilient contact and through-hole wall, and the sectional area after the combination of terminal bodies and resilient contact is compared the sectional area of existing compression joint type terminal pressure contact portion and is wanted big many, make that the contact impedance between terminal and circuit board is enough low, thereby guarantee reliable electric transmission performance; Moreover, terminal is comparatively even along the sectional area on the longitudinally, make its bulk strength basically identical, not can make and use in the phenomenon that ruptures or lose appears easily because the somewhere is too weak, simultaneously, because sectional area is evenly distributed, makes heat produce can too not concentrate and can dissipate equably.It should be noted that in addition, because resilient contact and terminal bodies are separable designs, so, after conducting terminal is extracted from the through hole of circuit board, resilient contact can restore to the original state easily, thereby conducting terminal and whole electric connector can be reused, even can't reply after the resilient contact distortion, only the resilient contact that need more renew just can be reused electric connector.Also have, conducting terminal its centrad in the course of processing is not influenced by other processing can, thus the convenience that can improve the yields in the manufacturing and use.
Description of drawings
Fig. 1 is the assembling schematic diagram of the utility model compression joint type conducting terminal first execution mode, and wherein resilient contact can be installed on the terminal bodies along both direction;
Fig. 2 is the three-dimensional combination figure of conducting terminal shown in Figure 1;
Fig. 3 is the three-dimensional combination figure of the utility model compression joint type conducting terminal second execution mode;
Fig. 4 is the cross-sectional schematic after the compression joint type conducting terminal among Fig. 2 inserts circuit board through-hole.
Embodiment
Fig. 1 and Fig. 2 have disclosed first execution mode of the utility model compression joint type conducting terminal 100.Wherein conducting terminal 100 comprises a terminal bodies 10 and is installed to resilient contact 20 on the terminal bodies 10 separably.
As shown in Figure 1, in the present embodiment, terminal bodies 10 is the cylindrical shape that lengthwise extends, it can be by a metal alloy plate stamping moulding, as copper alloy, has the favorable conductive characteristic to guarantee it, plate with the coat of metal in damaged surface then, as nickel plating top layer and tin plating top layer.Certainly, what those skilled in the art can expect easily is the cross sectional shape that terminal bodies also can have other, as rectangle or triangle etc.Terminal bodies 10 comprises main part 11, support portion 12 and guidance part 13.In fact, support portion 12 is thin cylinders that a section on the terminal bodies 10 forms behind ring cutting, that is to say that its diameter of section is less than the diameter of section of main part 11.Guidance part 13 is formed on the lengthwise end of terminal bodies 10, and it is roughly tapered, is used for going into or guiding for elasticity contact group the through hole of conducting terminal insertion circuit board, hereinafter will be described in detail.
In the present embodiment, resilient contact 20 is the roughly c-shaped lengthwise cover bucket in cross section, and it can be to be formed by the metallic plate punching with preferable elastic characteristic, makes its radially strain, opens or elastic compression as elasticity.Resilient contact 20 can be assembled on the support portion 12 of terminal bodies 10 along the direction of arrow shown in Fig. 1, the open slot 23 that extends by its lengthwise as C shape cover bucket snaps fit onto on the periphery of support portion 12 along the side direction of terminal bodies 10, or C shape cover bucket is received the periphery of support portion 12 by the guiding of terminal bodies 10 guidance parts 13 along the longitudinally cover.In the present embodiment, resilient contact 20 comprise lengthwise main part 21, be formed at main part 21 two ends end 221,222, be opened on the main part 21 substantially and extend and some closed slots 24 of two ends closure and an open slot 23 that extends the equal opening in two ends substantially along longitudinally along longitudinally.It should be noted that herein " substantially along longitudinally " can be that the lengthwise that is parallel to terminal bodies fully extends axis, also can be that the lengthwise of comparing terminal bodies extends the axis less angle that tilts.Wherein, the diameter of section of main part 21 is greater than the diameter of section at both ends 221,222, and the outer surface of main part 21 is level and smooth curved surfaces.
Cooperate with reference to shown in Figure 2, after resilient contact 20 is installed on the terminal bodies 10, the end 221,222 that is positioned at two ends closely is coated on the outer surface of support portion 12, and respectively near the both ends 121,122 of support portion 12, main part 21 then is located on the outer surface of support portion 12 archedly.Understandablely be, in the present embodiment, some closed slots 24 are to be used to make main part 21 radially to be out of shape, and, the quantity of closed slots 24 can be according to actual needs and increase and decrease so that the corresponding confining force with the through hole hole wall of circuit board to be provided, quantity as closed slots 24 can provide strong more confining force more at most, and in the present embodiment, main part is provided with three closed slots 24.In the present embodiment, open slot 24 is mainly used in and makes the resilient contact 20 can radial dilatation and be installed to smoothly on the terminal bodies 10.
Cooperate with reference to shown in Figure 4, terminal bodies 10 can be inserted in the through hole 51 of circuit board 50 smoothly by the guiding of its guidance part 13.Well-known to those skilled in the art is to be coated with conductive layer on through hole 51 inwalls, so that the circuit (not shown) of conducting terminal 100 that inserts and circuit board 50 electrically connects; In addition, the internal diameter of through hole 51 equals or is slightly larger than the diameter of the main part 11 of terminal bodies 10, but be installed to the maximum outside diameter that the back is had on the terminal bodies 10 less than resilient contact 20, pass through this set, the main part 21 of resilient contact 20 is subjected to the compressing (as towards shown in the arrow of resilient contact) of through hole 50 hole walls and the radial compression distortion, simultaneously, generation radial expansion force (as towards shown in the arrow of circuit board) made terminal can remain in the through hole 50 after resilient contact 20 was compressed distortion.
As previously mentioned, because the outer surface of resilient contact 20 main parts 21 is smooth surfaces, so conducting terminal 100 resilient contact 20 in the process that is pressed into through hole 51 can not scratch the conductive layer on through hole 51 inwalls, and the setting of closed slots 24 can provide conducting terminal to have stronger confining force in through hole on the resilient contact 20, thereby guarantees machinery and electric connection reliably between electric connector (not shown) and circuit board.In addition, has the bigger conduction surface that contacts between resilient contact 20 and through hole 51 inwalls, and the sectional area after 20 combinations of terminal bodies 10 and resilient contact is compared the sectional area of existing compression joint type terminal pressure contact portion and is wanted big many, make that the contact impedance between terminal and circuit board is enough low, thereby guarantee reliable electric transmission performance; Moreover, terminal is comparatively even along the sectional area on the longitudinally, make its bulk strength basically identical, not can make and use in the phenomenon that ruptures or lose appears easily because the somewhere is too weak, simultaneously, because sectional area is evenly distributed, makes heat produce can too not concentrate and can dissipate equably.It should be noted that in addition, because resilient contact 20 and terminal bodies 10 are separable designs, so, after conducting terminal 100 is extracted from the through hole 51 of circuit board 50, resilient contact 20 can restore to the original state easily, thereby conducting terminal and whole electric connector can be reused, even can't reply after resilient contact 20 distortion, only the resilient contact that need more renew just can be reused electric connector.Also have, conducting terminal its centrad in the course of processing is not influenced by other processing can, thus the convenience that can improve the yields in the manufacturing and use.
What Fig. 3 disclosed is second execution mode of the utility model compression joint type conducting terminal, and wherein identical in the terminal body 10 and first execution mode, the applicant is no longer given unnecessary details.Resilient contact 20 in the resilient contact 30 and first execution mode is basic identical, comprise main part 31 equally, end 321,322, open slot 33, with closed slots 34, different is, open slot 33 is much smaller than open slot 23 width of resilient contact 20 in first execution mode, that is to say, resilient contact 30 is the roughly rounded sleeve in cross section, by this structure, compare second execution mode, make resilient contact and circuit board through-hole inwall to contact conduction surface bigger, the quantity of the closed slots that can be provided with on the main part of resilient contact is also more, net sectional area after resilient contact and the terminal bodies combination also increases, thereby better machinery of conducting terminal and electric property are provided.
Certainly, more than cited be better embodiment of the present utility model, those skilled in the art also can carry out conversion to the structure of above-mentioned execution mode, realizes the utility model equally.For example, the support portion of terminal bodies also can be to be formed by a pair of bulge loop that the outer surface that protrudes out main part also is provided with in the vertical at interval; In addition, guidance part also can be that lead angle by multiaspect constitutes except taper.In sum, for the person of ordinary skill of the art, that is done under instruction of the present utility model changes at equivalence of the present utility model, must be included in the scope that the utility model claim advocated.
Claims (10)
1, a kind of compression joint type conducting terminal, be used for being crimped on the through hole of circuit board to electrically connect with circuit board, it comprises terminal bodies and resilient contact, and wherein terminal bodies has the support portion that lengthwise extends, and resilient contact is arranged on the described support portion separably and can radially be out of shape; It is characterized in that: resilient contact is provided with extend and closed slots closed end along longitudinally substantially.
2, compression joint type conducting terminal as claimed in claim 1 is characterized in that: the outer surface of described resilient contact is a smooth surface.
3, compression joint type conducting terminal as claimed in claim 1 is characterized in that: resilient contact also comprises extend and the open-ended open slot along longitudinally substantially.
4, compression joint type conducting terminal as claimed in claim 1 is characterized in that: resilient contact is the c-shaped substantially sleeve in cross section.
5, compression joint type conducting terminal as claimed in claim 1 is characterized in that: resilient contact is the rounded substantially sleeve in cross section.
6, as claim 1,4 or 5 described compression joint type conducting terminals, it is characterized in that: the sectional area at resilient contact middle part is greater than the sectional area at its vertical two ends.
7, compression joint type conducting terminal as claimed in claim 1 is characterized in that: the quantity of described closed slots comprises two at least.
8, compression joint type conducting terminal as claimed in claim 6, it is characterized in that: described support portion is cylindrical shape, and vertical two ends of described resilient contact are coated on the outer surface of support portion, and its middle part then is arranged on the outer surface of support portion archedly.
9, compression joint type conducting terminal as claimed in claim 1, it is characterized in that: described terminal bodies also comprises main part, the sectional area of described support portion is less than the sectional area of described main part.
10, compression joint type conducting terminal as claimed in claim 1, it is characterized in that: described terminal bodies also comprises tapered end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201391394U CN201285803Y (en) | 2008-09-29 | 2008-09-29 | Crimp connected conductive terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201391394U CN201285803Y (en) | 2008-09-29 | 2008-09-29 | Crimp connected conductive terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201285803Y true CN201285803Y (en) | 2009-08-05 |
Family
ID=40950784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201391394U Expired - Fee Related CN201285803Y (en) | 2008-09-29 | 2008-09-29 | Crimp connected conductive terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201285803Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916265A (en) * | 2012-09-29 | 2013-02-06 | 杭州炬华科技股份有限公司 | Connecting column with elastic metal sleeves |
| CN104183994A (en) * | 2013-05-27 | 2014-12-03 | 中航光电科技股份有限公司 | Lightning protection connector |
| CN107240799A (en) * | 2017-07-28 | 2017-10-10 | 中车青岛四方车辆研究所有限公司 | Voltage force contactor |
| CN107275822A (en) * | 2017-05-05 | 2017-10-20 | 华为技术有限公司 | Connector and attachment structure |
| CN109716592A (en) * | 2016-10-18 | 2019-05-03 | Ab电子萨克森有限公司 | By means of the conductor rail plug connection of at least two circuit boards spaced apart of at least one pin connector |
| CN110048261A (en) * | 2019-05-09 | 2019-07-23 | 深圳市特拉利线簧端子技术有限公司 | Jack is in electrical contact component and electric connector |
| CN112615179A (en) * | 2020-12-10 | 2021-04-06 | 合肥中恒微半导体有限公司 | Fisheye terminal |
| CN114097144A (en) * | 2019-11-25 | 2022-02-25 | 翰昂汽车零部件有限公司 | Arrangement for connecting electrical connections for a device for driving a compressor, and device for driving a compressor |
-
2008
- 2008-09-29 CN CNU2008201391394U patent/CN201285803Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916265A (en) * | 2012-09-29 | 2013-02-06 | 杭州炬华科技股份有限公司 | Connecting column with elastic metal sleeves |
| CN104183994A (en) * | 2013-05-27 | 2014-12-03 | 中航光电科技股份有限公司 | Lightning protection connector |
| CN104183994B (en) * | 2013-05-27 | 2017-08-04 | 中航光电科技股份有限公司 | A kind of lightning protection connector |
| CN109716592A (en) * | 2016-10-18 | 2019-05-03 | Ab电子萨克森有限公司 | By means of the conductor rail plug connection of at least two circuit boards spaced apart of at least one pin connector |
| CN107275822A (en) * | 2017-05-05 | 2017-10-20 | 华为技术有限公司 | Connector and attachment structure |
| CN107240799A (en) * | 2017-07-28 | 2017-10-10 | 中车青岛四方车辆研究所有限公司 | Voltage force contactor |
| CN110048261A (en) * | 2019-05-09 | 2019-07-23 | 深圳市特拉利线簧端子技术有限公司 | Jack is in electrical contact component and electric connector |
| CN110048261B (en) * | 2019-05-09 | 2024-05-24 | 深圳市特拉利线簧端子技术有限公司 | Jack electric contact assembly and electric connector |
| CN114097144A (en) * | 2019-11-25 | 2022-02-25 | 翰昂汽车零部件有限公司 | Arrangement for connecting electrical connections for a device for driving a compressor, and device for driving a compressor |
| CN112615179A (en) * | 2020-12-10 | 2021-04-06 | 合肥中恒微半导体有限公司 | Fisheye terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20090805 Termination date: 20170929 |