CN106684603A - Compact jack connector with rotation spring contact piece - Google Patents
Compact jack connector with rotation spring contact piece Download PDFInfo
- Publication number
- CN106684603A CN106684603A CN201710125266.2A CN201710125266A CN106684603A CN 106684603 A CN106684603 A CN 106684603A CN 201710125266 A CN201710125266 A CN 201710125266A CN 106684603 A CN106684603 A CN 106684603A
- Authority
- CN
- China
- Prior art keywords
- fixing
- spring contact
- ring
- jack
- annulus
- 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.)
- Pending
Links
Classifications
-
- 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
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
-
- 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
- H01R13/04—Pins or blades for co-operation with sockets
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention discloses a compact jack connector with a rotation spring contact piece. The compact jack connector comprises a jack sleeve, the rotation spring contact piece and a metal pin, wherein the rotation spring contact piece is embedded and clamped into an insertion hole of the jack sleeve and comprises a front-end retaining round ring and a rear-end retaining round ring, a plurality of grid bars are connected between the front-end retaining round ring and the rear-end retaining round ring of the rotation spring contact piece, each grid bar forms a spiral shape by twisting the cylindrical rotation spring contact piece along a central axis, two adjacent grid bars form a grid bar group, extension starting points of two grid bars of the same grid bar group are consistent, and the extension starting points of grid bards of two adjacent grid bar groups are arranged in a staggered way. By the structure design, the contact jack connector has large contact area, is longer in axial contact range and is compact and reliable when being used, jacks with different hole diameters can be fabricated within a relatively large application range, higher current and signal can be carried, the compact jack connector is stable in plug-in-plug-out force and retaining force, simple in production process and low in cost, and batch production is facilitated.
Description
Technical field
The present invention relates to receptacle connector technical field, more particularly to it is a kind of with the compact jack company for turning spring contact
Connect device.
Background technology
The jack of existing electric connector contact mainly adopts shell fragment or reed structure, wherein having following two than more typical
Plant structure：The first：Using the hat spring socket of reed closing waist；Second：Distorted using punching press reed, two press-fits inserting for molding
Hole.
For above-mentioned the first hat spring socket, it is to be divided into elastic sheet metal punching press to be connected by some two ends
And the paliform of the bonding jumper composition vertical with end face, then roll up circle and make each bonding jumper curved at middle part its middle part closing waist
It is bent to shrink to axle center, form the structure being small at both ends and big in the middle.The hat spring socket of this structure at its resilient metal strip drum waist with
Contact pin surface contacts, because architectural limitation equably more stably can not contact with contact pin, causes that contact engaging and separating force is larger, contact surface
Product less, the low shortcoming of contact performance.
For above-mentioned second jack structure, although with higher contact performance, but its socketing method contact electricity
Hinder big, resistance to pulling force poor, cover be easy to be departed from from pressure point by pulling force in front and back, cause to be connected failure and accident；Complex structure, combination
Part is more, and volume cannot further reduce, and is unfavorable for developing to miniaturization, densification；Processing technique is complicated, required precision
Height, causes conforming product rate low and cost is improved；Shell fragment can not possibly be very thick in the space for limiting so that every shell fragment is difficult to
Larger rush of current is born, " fracture of wire " phenomenon during use cannot be solved.
The content of the invention
Present invention aims to the deficiencies in the prior art and provide it is a kind of with turn spring contact compact insert
Hole connector, should have the compact receptacle connector for turning spring contact not only to have high contact area when using, and axially connect
Tactile scope is longer, and compact reliability, the jack of the different pore size size that can be made in the larger scope of application, and can lead to load more
High current and signal, pulling-inserting force, retentivity are stable, and simple production process is with low cost, beneficial to producing by batch.
To reach above-mentioned purpose, the present invention is achieved through the following technical solutions.
It is a kind of with the compact receptacle connector for turning spring contact, include jack borehole jack, turn spring contact and jack
The metal ferrule that borehole jack is engaged, the core of jack borehole jack offers towards metal ferrule the plug-in opening for inserting side opening, turns spring and connects
Contact element is embedded in the plug-in opening of jack borehole jack；
Turn spring contact and drum is curled into by a rectangle sheet metal, turn spring contact to include be in respectively toroidal
Front end fixing annulus, rear end fixing annulus, front end fixing annulus is located at the front and front end fixing annulus that rear end holds annulus
With rear end fixing annulus coaxial spaced arrangement, turn spring contact and hold to be provided between annulus and rear end fixing annulus in front end be in
The grizzly bar of uniform intervals distribution, front end clamping rings, rear end clamping rings and each grizzly bar are structure as a whole, and each grizzly bar is by cylinder
The spring contact that turns of shape reverses helically shaped, adjacent two grizzly bars, one grizzly bar group of composition, same grizzly bar around central axis
The extension starting point of two grizzly bars of group is consistent, and the grizzly bar of two neighboring grizzly bar group extends starting point and is staggeredly arranged, turn spring contact in
The front at central axis center, rear end side are respectively formed with the contact point being annularly spaced apart, and extend starting point positioned at same
The contact point of each grizzly bar of side is located at the same side；
Metal ferrule is intercalated in the centre bore for turning spring contact.
Wherein, the jack borehole jack is fitted with anticreep baffle ring, and anticreep baffle ring includes the inner side in toroidal respectively and consolidates
Fixed circle, outside ring for fixing, inner side ring for fixing, outside ring for fixing coaxial spaced arrangement and inner side ring for fixing are positioned at outside ring for fixing
Interior side, between the leading edge portion of inner side ring for fixing and the leading edge portion of outside ring for fixing baffle ring connecting portion is provided with, and is prevented
Off-gear ring forming have by inner side ring for fixing, outside ring for fixing, baffle ring connecting portion enclose jointly dress form and backward opening baffle ring card
Groove, the leading section of jack borehole jack is intercalated in the baffle ring draw-in groove of anticreep baffle ring, and the inner side ring for fixing of anticreep baffle ring is located at described turn
The front end of spring contact holds the inner side of annulus, and the outer circumference surface of jack borehole jack offers the borehole jack stopper slot in toroidal,
The back end edge edge of outside ring for fixing is provided with the ring for fixing defining flange of radial inward protrusion, and ring for fixing defining flange is embedded in
In borehole jack stopper slot.
Wherein, the spring contact that turns is formed by rectangle copper sheet curling.
Beneficial effects of the present invention are：It is of the present invention a kind of with the compact receptacle connector for turning spring contact,
It includes jack borehole jack, turns spring contact, metal ferrule, turns spring contact and is embedded in the plug-in opening of jack borehole jack；Turn spring to connect
Contact element is curled into drum by a rectangle sheet metal, turns spring contact including front end fixing annulus, rear end fixing annulus, turns
Spring contact is connected with some grizzly bars between front and back ends fixing annulus, and each grizzly bar turns spring contact around center by drum
Axis reverses two helically shaped, adjacent grizzly bars and constitutes a grizzly bar group, the extension starting point of two grizzly bars of same grizzly bar group
Unanimously, two neighboring grizzly bar group grizzly bar extend starting point be staggeredly arranged, turn spring contact in central axis center front, after
Side is respectively formed with the contact point being annularly spaced apart, and the contact point for extending each grizzly bar that starting point is located at the same side is located at together
Side；Metal ferrule is intercalated in the centre bore for turning spring contact.By said structure design, the present invention not only has when using
There is high contact area, axially contact scope is longer, and compact reliability, the different pore size that can be made in the larger scope of application is big
Little jack, and load more high current and signal can be led to, pulling-inserting force, retentivity are stable, and simple production process is with low cost, is beneficial to
Produce by batch.
Description of the drawings
The present invention is further detailed below with accompanying drawing, but the embodiment in accompanying drawing is not constituted to this
Bright any restriction.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the decomposing schematic representation of the present invention.
Fig. 3 is the generalized section of the present invention.
Fig. 4 is the structural representation for turning spring contact of the present invention.
Fig. 5 is the structural representation for preparing the metallic plate for turning spring contact.
Include in Fig. 1 to Fig. 5：
1 --- jack borehole jack 11 --- plug-in opening
12 --- borehole jack stopper slots 2 --- turn spring contact
Rear end holds annulus to 21 --- front end holds annulus 22 ---
23 --- grizzly bar 3 --- metal ferrules
4 --- anticreep baffle ring 41 --- inner side ring for fixings
42 --- outside ring for fixing 43 --- baffle ring connecting portions
44 --- baffle ring draw-in groove 45 --- ring for fixing defining flanges.
Specific embodiment
With reference to specific embodiment, the present invention will be described.
As shown in Figures 1 to 4, it is a kind of with the compact receptacle connector for turning spring contact, include jack borehole jack 1,
Turn the metal ferrule 3 that spring contact 2 is engaged with jack borehole jack 1, the core of jack borehole jack 1 is offered towards metal ferrule 3 and inserted
The plug-in opening 11 of side opening, turns spring contact 2 and is embedded in the plug-in opening 11 of jack borehole jack 1.
Further, turn spring contact 2 and drum is curled into by a rectangle sheet metal, turn spring contact 2 and include
Respectively the fixing of the front end in toroidal annulus 21, rear end holds annulus 22, and front end fixing annulus 21 is located at rear end and holds annulus
22 front and front end fixing annulus 21 and rear end fixing annulus 22 coaxial spaced arrangement, turn spring contact 2 and hold in front end
The grizzly bar 23 in uniform intervals distribution is provided between annulus 21 and rear end fixing annulus 22, front end clamping rings, rear end are fixed
Annulus and each grizzly bar 23 are structure as a whole, and each grizzly bar 23 is reversed into spiral shell by the spring contact 2 that turns of drum around central axis
Rotation shape, two adjacent grizzly bars constitute a grizzly bar group, and the extension starting point of two grizzly bars 23 of same grizzly bar group is consistent, and adjacent two
The grizzly bar 23 of individual grizzly bar group extends starting point and is staggeredly arranged, and turns front, rear end side difference of the spring contact 2 in central axis center
The contact point being annularly spaced apart is formed with, the contact point for extending each grizzly bar 23 that starting point is located at the same side is located at the same side.
In addition, metal ferrule 3 is intercalated in the centre bore for turning spring contact 2.
Need to be explained further, the present invention's is turned spring contact 2 and can be prepared from using copper sheet, i.e., the spring that turns of the invention connects
Contact element 2 is formed by rectangle copper sheet curling.
It should further be noted that as shown in figure 5, the present invention's is turned spring contact 2 and can be prepared from using following methods, having
Body：First after the stamped blanking forming of sheet metal, integrally it is rectangle, including the fixing at two ends and is connected to two ends at annulus
The some grizzly bars 23 being uniformly interspersed, the direction of grizzly bar 23 is corresponded to by rectangle sheet metal coil then along parallel to fixing annulus
Into cylindrical shape, because the sheet metal is rectangle, so cylinder everywhere diameter is consistent, then by one end of cylinder around center
Axis opposite other end reverses spirality, and now cylinder is overall in the shape of a spiral, and due to being connected to the length of grizzly bar 23 at two ends
Restriction, generally the diameter of cylinder from two ends to axle midpoint reduce, finally spiral type cylinder is fixed by Technology for Heating Processing
Molding so as to which resilience does not occur.The spring contact 2 that turns being prepared from by said method ensure that it possesses excellent knot
Structure, reliable and stable contact retention and good electric conductivity, in the plug process of metal ferrule 3, turning spring contact 2 will not send out
Raw restorative deformation, it is simple and practical.
As shown in figure 4, for spring contact 2 is turned, grizzly bar 23, not in same plane, inclines connection with tubular central shaft
In front end fixing annulus 21, the rear end fixing annulus 22 of cylindrical body, grizzly bar 23 is uniformly interspersed around cylindrical body central shaft；Turn spring
Contact 2 generally diameter distribution from two ends fixing annulus start it is symmetrical successively decrease to center, due to grizzly bar 23 incline connect
The fixing annulus at two ends is connected to, between grizzly bar 23 through hole is provided with, so its axial cross section not continuous lines on stricti jurise, and
If being main section.
During the plug-in opening 11 that metal ferrule 3 is inserted into jack borehole jack 1 is interior, metal is inserted and turns spring contact
The contact point contact of 2 central axis center both sides, and after metal ferrule 3 is inserted, each grizzly bar 23 can produce deformation, make a little to connect
Touch and be changed into face contact.For the receptacle connector, it is longer with the axially contact scope of metal ferrule 3 to turn spring contact 2, connects
Contacting surface product is bigger, and pulling-inserting force, retentivity are stable, and mechanical life is long, shake, separation etc. is less prone in vibration environment and is contacted not
Good phenomenon.
Summary situation understands, by said structure design, the present invention not only has high contact area, axle when using
It is longer to contact range, and compact reliability, the jack of the different pore size size that can be made in the larger scope of application, and can lead to
More high current and signal are carried, pulling-inserting force, retentivity are stable, and simple production process is with low cost, beneficial to producing by batch.
As preferred embodiment, as shown in figure 3, to avoid change-over contact part from the plug-in opening 11 of jack borehole jack 1
Abjection, the present invention adopts following structure designs, specifically：Jack borehole jack 1 is fitted with anticreep baffle ring 4, and anticreep baffle ring 4 is included point
Not Cheng toroidal inner side ring for fixing 41, outside ring for fixing 42, inner side ring for fixing 41, the coaxial spaced of outside ring for fixing 42 arrangement
And inner side ring for fixing 41 is located at the interior side of outside ring for fixing 42, leading edge portion and the outside ring for fixing 42 of inner side ring for fixing 41
Leading edge portion between be provided with baffle ring connecting portion 43, anticreep baffle ring 4 is formed by inner side ring for fixing 41, outside ring for fixing
42nd, baffle ring connecting portion 43 enclose jointly dress form and backward opening baffle ring draw-in groove 44, the leading section of jack borehole jack 1 is intercalated in anticreep
In the baffle ring draw-in groove 44 of baffle ring 4, the inner side ring for fixing 41 of anticreep baffle ring 4 is positioned at the front end fixing annulus 21 for turning spring contact 2
Inner side, the outer circumference surface of jack borehole jack 1 offers the borehole jack stopper slot 12 in toroidal, the back edge of outside ring for fixing 42
Portion is provided with the ring for fixing defining flange 45 of radial inward protrusion, and ring for fixing defining flange 45 is embedded in borehole jack stopper slot 12.
Above content is only presently preferred embodiments of the present invention, for one of ordinary skill in the art, according to the present invention's
Thought, will change in specific embodiments and applications, and this specification content should not be construed as to the present invention
Restriction.
Claims (3)
1. a kind of with the compact receptacle connector for turning spring contact, it is characterised in that：Include jack borehole jack（1）, turn spring
Contact（2）With jack borehole jack（1）The metal ferrule being engaged（3）, jack borehole jack（1）Core offer towards metal ferrule
（3）The plug-in opening of insertion side opening（11）, turn spring contact（2）It is embedded in jack borehole jack（1）Plug-in opening（11）It is interior；
Turn spring contact（2）Drum is curled into by a rectangle sheet metal, turns spring contact（2）Includes be in respectively annulus
The front end fixing annulus of shape（21）, rear end fixing annulus（22）, front end fixing annulus（21）Annulus is held positioned at rear end（22）
Front and front end fixing annulus（21）Annulus is held with rear end（22）Coaxial spaced arrangement, turns spring contact（2）In front end
Fixing annulus（21）Annulus is held with rear end（22）Between be provided with uniform intervals distribution grizzly bar（23）, circle is fixed in front end
Ring, rear end clamping rings and each grizzly bar（23）It is structure as a whole, each grizzly bar（23）Spring contact is turned by drum（2）Around
Central axis reverses two helically shaped, adjacent grizzly bars and constitutes a grizzly bar group, two grizzly bars of same grizzly bar group（23）'s
Extend starting point consistent, the grizzly bar of two neighboring grizzly bar group（23）Extend starting point to be staggeredly arranged, turn spring contact（2）In central axis
The front at center, rear end side are respectively formed with the contact point being annularly spaced apart, and extend each grid that starting point is located at the same side
Bar（23）Contact point be located at the same side；
Metal ferrule（3）It is intercalated in and turns spring contact（2）Centre bore in.
2. according to claim 1 a kind of with the compact receptacle connector for turning spring contact, it is characterised in that：It is described
Jack borehole jack（1）It is fitted with anticreep baffle ring（4）, anticreep baffle ring（4）Include the inner side ring for fixing in toroidal respectively（41）、
Outside ring for fixing（42）, inner side ring for fixing（41）, outside ring for fixing（42）Coaxial spaced is arranged and inner side ring for fixing（41）It is located at
Outside ring for fixing（42）Interior side, inner side ring for fixing（41）Leading edge portion and outside ring for fixing（42）Leading edge portion
Between be provided with baffle ring connecting portion（43）, anticreep baffle ring（4）Form by inner side ring for fixing（41）, outside ring for fixing（42）, gear
Ring connecting portion（43）Enclose jointly dress form and backward opening baffle ring draw-in groove（44）, jack borehole jack（1）Leading section be intercalated in it is anti-
Off-gear ring（4）Baffle ring draw-in groove（44）It is interior, anticreep baffle ring（4）Inner side ring for fixing（41）Turn spring contact positioned at described（2）'s
Front end holds annulus（21）Inner side, jack borehole jack（1）Outer circumference surface offer the borehole jack stopper slot in toroidal（12）,
Outside ring for fixing（42）Back end edge edge be provided with radial inward protrusion ring for fixing defining flange（45）, ring for fixing limit convex
Edge（45）It is embedded in borehole jack stopper slot（12）It is interior.
3. according to claim 1 a kind of with the compact receptacle connector for turning spring contact, it is characterised in that：It is described
Turn spring contact（2）Formed by rectangle copper sheet curling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710125266.2A CN106684603A (en) | 2017-03-03 | 2017-03-03 | Compact jack connector with rotation spring contact piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710125266.2A CN106684603A (en) | 2017-03-03 | 2017-03-03 | Compact jack connector with rotation spring contact piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106684603A true CN106684603A (en) | 2017-05-17 |
Family
ID=58862024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710125266.2A Pending CN106684603A (en) | 2017-03-03 | 2017-03-03 | Compact jack connector with rotation spring contact piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106684603A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107819223A (en) * | 2017-11-10 | 2018-03-20 | 深圳巴斯巴科技发展有限公司 | A kind of connection terminal of energy rapid-maintenance |
| CN108110470A (en) * | 2018-01-26 | 2018-06-01 | 深圳市特拉利线簧端子技术有限公司 | Metal spring leaf structure, terminal structure and electric connector |
| CN108232704A (en) * | 2018-02-25 | 2018-06-29 | 苏州快可光伏电子股份有限公司 | A kind of high current height for energy-storage system protects connection system |
| CN108598753A (en) * | 2018-03-29 | 2018-09-28 | 深圳巴斯巴科技发展有限公司 | Improve the bonder terminal to inserting retentivity |
| CN108963506A (en) * | 2018-06-14 | 2018-12-07 | 深圳市特拉利线簧端子技术有限公司 | terminal structure |
| CN109861023A (en) * | 2018-11-19 | 2019-06-07 | 株洲时代龙友科技有限公司 | Electric connector |
| CN110678130A (en) * | 2017-05-22 | 2020-01-10 | 爱惜康有限责任公司 | Combined ultrasonic and electrosurgical instrument with slip ring electrical contact assembly |
| CN113013654A (en) * | 2021-02-04 | 2021-06-22 | 深圳先启能源技术有限公司 | Optimized jack contact element, composite hole sleeve structure and manufacturing method thereof |
| CN117791205A (en) * | 2024-01-05 | 2024-03-29 | 惠州尼索科连接技术有限公司 | Terminal structure |
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| US6425786B1 (en) * | 1999-07-15 | 2002-07-30 | Interconnectron Gmbh | Contact socket for electrical pin-and-socket connector |
| US6536107B1 (en) * | 1998-07-27 | 2003-03-25 | Interconnectron Gmbh | Method for producing contact jacks for electric plug-in connectors |
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| CN106269191A (en) * | 2015-05-20 | 2017-01-04 | 山东华联矿业股份有限公司 | Grid |
| CN206546895U (en) * | 2017-03-03 | 2017-10-10 | 王轶 | It is a kind of that there is the compact receptacle connector for turning spring contact |
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2017
- 2017-03-03 CN CN201710125266.2A patent/CN106684603A/en active Pending
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| US6536107B1 (en) * | 1998-07-27 | 2003-03-25 | Interconnectron Gmbh | Method for producing contact jacks for electric plug-in connectors |
| US6425786B1 (en) * | 1999-07-15 | 2002-07-30 | Interconnectron Gmbh | Contact socket for electrical pin-and-socket connector |
| CN1474482A (en) * | 2003-07-20 | 2004-02-11 | 吕永锋 | Isnserting needle with spring for heat inserting and pull-out and screw band spring ring |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110678130A (en) * | 2017-05-22 | 2020-01-10 | 爱惜康有限责任公司 | Combined ultrasonic and electrosurgical instrument with slip ring electrical contact assembly |
| CN110678130B (en) * | 2017-05-22 | 2023-10-17 | 爱惜康有限责任公司 | Combined ultrasonic and electrosurgical instrument with slip ring electrical contact assembly |
| CN107819223A (en) * | 2017-11-10 | 2018-03-20 | 深圳巴斯巴科技发展有限公司 | A kind of connection terminal of energy rapid-maintenance |
| CN108110470A (en) * | 2018-01-26 | 2018-06-01 | 深圳市特拉利线簧端子技术有限公司 | Metal spring leaf structure, terminal structure and electric connector |
| CN108110470B (en) * | 2018-01-26 | 2024-05-24 | 深圳市特拉利线簧端子技术有限公司 | Metal reed structure, terminal structure and electric connector |
| CN108232704A (en) * | 2018-02-25 | 2018-06-29 | 苏州快可光伏电子股份有限公司 | A kind of high current height for energy-storage system protects connection system |
| CN108598753A (en) * | 2018-03-29 | 2018-09-28 | 深圳巴斯巴科技发展有限公司 | Improve the bonder terminal to inserting retentivity |
| CN108598753B (en) * | 2018-03-29 | 2024-02-23 | 深圳巴斯巴科技发展有限公司 | Connector terminal with improved retention |
| CN108963506A (en) * | 2018-06-14 | 2018-12-07 | 深圳市特拉利线簧端子技术有限公司 | terminal structure |
| CN109861023A (en) * | 2018-11-19 | 2019-06-07 | 株洲时代龙友科技有限公司 | Electric connector |
| CN113013654A (en) * | 2021-02-04 | 2021-06-22 | 深圳先启能源技术有限公司 | Optimized jack contact element, composite hole sleeve structure and manufacturing method thereof |
| CN117791205A (en) * | 2024-01-05 | 2024-03-29 | 惠州尼索科连接技术有限公司 | Terminal structure |
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