CN104682038A - Novel plug-in connection structure of high current cable connector contact - Google Patents
Novel plug-in connection structure of high current cable connector contact Download PDFInfo
- Publication number
- CN104682038A CN104682038A CN201510067741.6A CN201510067741A CN104682038A CN 104682038 A CN104682038 A CN 104682038A CN 201510067741 A CN201510067741 A CN 201510067741A CN 104682038 A CN104682038 A CN 104682038A
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- CN
- China
- Prior art keywords
- inner sleeve
- jack
- contact
- sleeve
- overcoat
- 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.)
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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
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/28—End pieces consisting of a ferrule or sleeve
Abstract
The invention relates to the field of cable connectors, particularly to a high current cable connector contact, and aims to solve the technical problems that in the prior art, the cost of the high current cable connector contact is too high, and the construction technology is complex. A traditional high current contact adopts a structure that an elastomer is arranged on the inner wall of an inserting hole, the novel plug-in connection structure disclosed by the invention breaks through a traditional thought and provides a bran-new electric current cable connector contact, a wave-shaped thin wall elastic sleeve is arranged on a pin, so that the elastomer is skillfully arranged on the pin, and the problem that a plurality of contact points are formed among the high current contacts is effectively solved; the inserting hole and the pin are in stable and reliable contact, the inserting and pulling force is smaller, the contact is unlikely to damage, the processing technology is simple and the cost is effectively reduced.
Description
Technical field
The present invention relates to cable connector industry, be specifically related to heavy-current cable connector contact.
Technical background
Cable connector is mainly through the connection of the contact realizing circuit of its inside, generally be provided with jack at connector connecting end surface on one side, the connecting end surface of the connector of another side is provided with contact pin, two edge connectors realize plugging together of contact pin and jack when docking, plug together after putting in place and by the interlock that both sides connector jacket is arranged, both sides connector locking is connected again, when connector locking state, coupling mechanism force is applied by the connected structure of interlock to contact pin and jack, to ensure that contact pin and jack are in the state closely plugged together always, thus guarantee the stable transfer of electric current.Tight in order to ensure to plug convenient and after plugging together contact, in prior art, general is elastic component by socket design, current jack structure mainly contains three kinds of forms, one is slice structure jack, and its structure is simple, is also the most frequently used structure, usual chip jack has 1 to 2 contact chips, produces 2 to 4 contact points when socket and plug match; Two is sheet spring structure jacks, 1 to 2 sheet spring coils are laid in sheet spring formula jack, each spring coil is made up of multiple spring leaf, all spring leafs encircle all inwards, composition has flexible spring coil, when jack and contact pin match, each spring leaf contacts with contact pin and produces extruding force, ensures the stable contact of multiple spot; Three is line spring structure jacks, the structure of wire spring socket and the structural similarity of sheet spring socket, just wire spring socket is made up of spring wire, all spring wires encircle into a spring coil all inwards, when jack and contact pin match, every root spring wire all contacts with contact pin and produces extruding force, and its contact point is more than sheet spring structure jack and more stable, and contact engaging and separating force is less.Therefore, the contact of current heavy-current cable connector generally all can select wire spring type jack structure, although wire spring type jack function admirable, but complex process, easily damage, cost is also higher.Along with the development of the industries such as electric automobile, the demand of big current contact is also sharply increasing, in order to reduce costs, design a kind of structure, the simple contact of technique become a kind of in the urgent need to.
Summary of the invention
Technical problem to be solved by this invention is the shortcoming of the high cost of the contact overcoming heavy-current cable connector in prior art, structural manufacturing process complexity, provides a kind of heavy-current cable connector contact of new structure.
For solving the problems of the technologies described above, technical solution of the present invention is:
A novel heavy-current cable connector contact connected structure, described contact comprises contact pin and jack; It is characterized in that: described contact pin rear end is provided with overcoat, the front end that described contact pin is used for plugging together with jack is provided with inner sleeve and is arranged on the outermost wavy thin resilient sleeve of inner sleeve; The afterbody of described inner sleeve is socketed in the front end inner bore of step of described overcoat, on inner sleeve afterbody, also cover has spring, described spring fitting is on inner sleeve afterbody in set step surface and overcoat endoporus between set step surface, described inner sleeve can move axially between the endoporus of overcoat, and inner sleeve tail end is provided with the position limiting structure preventing it from deviating from from overcoat; When contact pin plugs together in jack, the stressed inner sleeve that makes of contact pin front end face moves backward, described spring-compressed, the deformation of wavy thin resilient sleeve generation simultaneously makes described wavy thin resilient sleeve external diameter become large, until wavy thin resilient sleeve outer surface and jack inwall close contact.
Preferred version one, described waveform resilient sleeve rear end and overcoat front end affixed, the outer wall that described inner sleeve is set in the part in waveform resilient sleeve is waveform curved surface; When contact pin plugs together in jack, the stressed inner sleeve that makes of the front end face of contact pin moves backward, and waveform resilient sleeve outwards struts by the waveform curved surface of outer wall of inside race, until wavy thin resilient sleeve outer surface and jack inwall close contact.
Preferred version two, described waveform resilient sleeve rear end and overcoat front end affixed, described inner sleeve is set in waveform resilient sleeve, the front end of described inner sleeve and the front end of waveform resilient sleeve affixed; When contact pin plugs together in jack, the stressed inner sleeve that makes of the front end face of contact pin moves backward, and the rear and front end of waveform resilient sleeve is stressed, makes waveform resilient sleeve generation deformation external diameter become large, until wavy thin resilient sleeve outer surface and jack inwall close contact.
Preferably, the position limiting structure of the Anti-extrusion that described inner sleeve tail end is provided with is pad friction tight with inner sleeve tail end, and described pad matches with the stepped hole of jacket internal, skids off from overcoat for the spacing inner sleeve that prevents.
Preferably, the outer wall of overcoat is provided with step surface, and described step surface matches with the front end face of jack, inserts the degree of depth of jack for limiting contact pin.
The present invention can bring following beneficial effect:
The present invention breaks through Traditional Thinking, bring a kind of brand-new current cable connector contact, dexterously elastic component is arranged on contact pin, efficiently solve the requirement of many contact points between big current contact, and jack and contact pin contact stabilization are reliable, contact engaging and separating force is less, and not fragile, processing technology is simple, effectively provides cost savings.
Accompanying drawing explanation
Fig. 1: the overcoat of the preferred embodiment of the present invention one and waveform resilient sleeve integrative-structure schematic diagram
Fig. 2: the inner sleeve structural representation of the preferred embodiment of the present invention one
Fig. 3: the contact pin jack of the preferred embodiment of the present invention one is not seated view
Fig. 4: the contact pin jack of the preferred embodiment of the present invention one plugs together the view that puts in place
Fig. 5: the waveform resilient sleeve schematic diagram of the preferred embodiment of the present invention two
Fig. 6: the inner sleeve structural representation of the preferred embodiment of the present invention two
Fig. 7: the jacket structure schematic diagram of the preferred embodiment of the present invention two
Fig. 8: the contact pin jack of the preferred embodiment of the present invention two is not seated view
Fig. 9: the contact pin jack of the preferred embodiment of the present invention two plugs together the view that puts in place.
Embodiment
Below in conjunction with drawings and Examples, a pair the present invention is described in further detail.
The preferred embodiments of the present invention one, in conjunction with see Fig. 1, Fig. 2, Fig. 3, Fig. 4.Its operation principle is as follows: contact pin forms primarily of with the overcoat 1 of wavy thin resilient sleeve integral structure, inner sleeve 2, spring 3, pad 4.Wavy thin resilient sleeve is the thin-wall sleeve made of elastic metallic material, and its outer surface 11, inner surface 12 are waveform curved-surface structure.This kind of wavy thin resilient sleeve and overcoat 1 are integrated in the present embodiment, are arranged on overcoat 1 front end.It is inner that inner sleeve 2 front portion is set in wavy thin resilient sleeve, and afterbody is set in the rear end step endoporus of overcoat 1.The head of inner sleeve 2 is provided with a step surface 21, and the outer wall of inner sleeve 2 front portion is the curved-surface structure 22 consistent with the waveform curved-surface structure shape of wavy thin resilient sleeve inwall.Inner sleeve 2 afterbody is also arranged with spring 3, and spring 3 to be arranged on inner sleeve 2 afterbody in set step surface 23 and overcoat 1 endoporus between set step surface 13.Pad 4 forms tight fit with the tail end 24 of described inner sleeve 2, and coordinates with the stepped hole 14 of jacket internal the position limiting inner sleeve 2 and overcoat 1, prevents inner sleeve 2 from skidding off from overcoat 1.
What go out as shown in Figure 3, Figure 4 plugs together process.When contact pin just inserted not yet be seated in jack 10 time (see Fig. 3), inner sleeve 2 is under the effect of spring 3 elastic force, be in extended state, the waveform curved-surface structure of its outer wall and the waveform curved-surface structure of wavy thin resilient sleeve inwall are fitted, at this moment also not there is deformation in wavy thin resilient sleeve, can plug together like a cork in jack 10, when plugging together certain depth, jack 10 bottom surface withstands on contact pin front end, the front end face of contact pin is stressed to be made inner sleeve 2 move backward and drives wavy thin resilient sleeve that deformation progressively occurs outwards to strut, until jack 10 front end face withstands on the between outer land terrace of overcoat 1, at this moment be in contact pin jack and plug together the state of putting in place (see Fig. 4), the crest of the waveform curved surface 22 of inner sleeve 2 overlaps with the crest of the inwall 12 of waveform resilient sleeve, thus wavy thin resilient sleeve is outwards strutted to maximum, make wavy thin resilient sleeve outer surface and jack 10 inwall close contact.
Below in conjunction with drawings and Examples, two couples of the present invention are described in further detail.
The preferred embodiments of the present invention two, in conjunction with see Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9.Its operation principle is as follows: contact pin forms primarily of wavy thin resilient sleeve 5, inner sleeve 6, spring 7, pad 8, overcoat 9.Wavy thin resilient sleeve 5 is the thin-wall sleeve being waveform curved surface with inner surface 51, outer surface 52 that elastic metallic material makes, wavy thin resilient sleeve 5 front and back end is all provided with flange 53, overcoat 9 head outer wall is provided with a groove 71, after waveform resilient sleeve 5, end boss is fixed in groove 71, inner sleeve 6 head is provided with a groove 62, and waveform resilient sleeve 5 front end boss is fixed in groove 62.It is inner that inner sleeve 6 front portion is set in wavy thin resilient sleeve 5, and afterbody is set in the inner bore of step of overcoat 9.Inner sleeve 6 afterbody is also arranged with spring 7, and spring 7 to be arranged on inner sleeve 6 afterbody in set step surface 61 and overcoat 9 endoporus between set step surface 72.Pad 8 forms tight fit with the tail end of described inner sleeve 6, and coordinates with the stepped hole 73 of overcoat 9 inside the position limiting inner sleeve 6 and overcoat 9, prevents inner sleeve 6 from skidding off from overcoat 9.
What go out as shown in Figure 8, Figure 9 plugs together process.When contact pin just inserted not yet be seated in jack 10 time (see Fig. 8), inner sleeve 6 is under the effect of spring 7 elastic force, be in extended state, at this moment also not there is deformation in wavy thin resilient sleeve 5, can plug together like a cork in jack 10, when plugging together certain depth, jack 10 bottom surface withstands on contact pin front end, the front end face of contact pin is stressed to be made inner sleeve 6 move backward and drives wavy thin resilient sleeve 5 that deformation external diameter progressively occurs to become large, until jack 10 front end face withstands on overcoat 9 between outer land terrace, at this moment be in contact pin jack and plug together the state of putting in place (see Fig. 9), at this moment wavy thin resilient sleeve 5 external diameter fades to maximum, wavy thin resilient sleeve 5 outer surface and jack 10 inwall close contact.
When contact pin is extracted by needs from jack, recover normal condition under being inside enclosed within the acting in conjunction of the elastic force of pulling force and spring, the deformation of wavy thin resilient sleeve disappears, and just can be extracted from jack by contact pin easily without the need to too large contact engaging and separating force.
Claims (5)
1. a novel heavy-current cable connector contact connected structure, described contact comprises contact pin and jack; It is characterized in that: described contact pin rear end is provided with overcoat, the front end that described contact pin is used for plugging together with jack is provided with inner sleeve and is arranged on the outermost wavy thin resilient sleeve of inner sleeve; The afterbody of described inner sleeve is socketed in the front end inner bore of step of described overcoat, on inner sleeve afterbody, also cover has spring, described spring fitting is on inner sleeve afterbody in set step surface and overcoat endoporus between set step surface, described inner sleeve can move axially between the endoporus of overcoat, and inner sleeve tail end is provided with the position limiting structure preventing it from deviating from from overcoat; When contact pin plugs together in jack, the stressed inner sleeve that makes of contact pin front end face moves backward, described spring-compressed, the deformation of wavy thin resilient sleeve generation simultaneously makes described wavy thin resilient sleeve external diameter become large, until wavy thin resilient sleeve outer surface and jack inwall close contact.
2. according to a kind of novel heavy-current cable connector contact connected structure according to claim 1, it is characterized in that: described waveform resilient sleeve rear end and overcoat front end affixed, the outer wall that described inner sleeve is set in the part in waveform resilient sleeve is waveform curved surface; When contact pin plugs together in jack, the stressed inner sleeve that makes of the front end face of contact pin moves backward, and waveform resilient sleeve outwards struts by the waveform curved surface of outer wall of inside race, until wavy thin resilient sleeve outer surface and jack inwall close contact.
3. according to a kind of novel heavy-current cable connector contact connected structure according to claim 1, it is characterized in that: described waveform resilient sleeve rear end and overcoat front end affixed, described inner sleeve is set in waveform resilient sleeve, the front end of described inner sleeve and the front end of waveform resilient sleeve affixed; When contact pin plugs together in jack, the stressed inner sleeve that makes of the front end face of contact pin moves backward, and the rear and front end of waveform resilient sleeve is stressed, makes waveform resilient sleeve generation deformation external diameter become large, until wavy thin resilient sleeve outer surface and jack inwall close contact.
4. according to a kind of novel heavy-current cable connector contact connected structure described in Claims 2 or 3, it is characterized in that: the position limiting structure of the Anti-extrusion that described inner sleeve tail end is provided with is pad friction tight with inner sleeve tail end, described pad matches with the stepped hole of jacket internal, skids off from overcoat for the spacing inner sleeve that prevents.
5. according to described a kind of novel heavy-current cable connector contact connected structure according to claim 4, it is characterized in that: the outer wall of overcoat is provided with step surface, described step surface matches with the front end face of jack, inserts the degree of depth of jack for limiting contact pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510067741.6A CN104682038B (en) | 2015-02-09 | 2015-02-09 | A kind of heavy-current cable connector contact connected structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510067741.6A CN104682038B (en) | 2015-02-09 | 2015-02-09 | A kind of heavy-current cable connector contact connected structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104682038A true CN104682038A (en) | 2015-06-03 |
| CN104682038B CN104682038B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510067741.6A Active CN104682038B (en) | 2015-02-09 | 2015-02-09 | A kind of heavy-current cable connector contact connected structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811141A (en) * | 2016-03-21 | 2016-07-27 | 中航光电科技股份有限公司 | Electrical connector and jack and outer sleeve thereof |
| CN113903525A (en) * | 2021-09-30 | 2022-01-07 | 浙江亘古电缆股份有限公司 | Novel modified polypropylene power cable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4614029A (en) * | 1984-04-05 | 1986-09-30 | Otto Dunkel Gmbh Fabrik Fur Elektrontechnische Gerate | Method of manufacturing contact spring sockets |
| WO2009105784A2 (en) * | 2008-02-21 | 2009-08-27 | Melni Mark L | Electrical connectors and methods of manufacturing and using same |
| CN101707297A (en) * | 2009-09-30 | 2010-05-12 | 中航光电科技股份有限公司 | Floating water sealing coaxial electric connector |
| CN204391312U (en) * | 2015-02-09 | 2015-06-10 | 中国电子科技集团公司第二十三研究所 | A kind of novel heavy-current cable connector contact connected structure |
-
2015
- 2015-02-09 CN CN201510067741.6A patent/CN104682038B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4614029A (en) * | 1984-04-05 | 1986-09-30 | Otto Dunkel Gmbh Fabrik Fur Elektrontechnische Gerate | Method of manufacturing contact spring sockets |
| WO2009105784A2 (en) * | 2008-02-21 | 2009-08-27 | Melni Mark L | Electrical connectors and methods of manufacturing and using same |
| CN101707297A (en) * | 2009-09-30 | 2010-05-12 | 中航光电科技股份有限公司 | Floating water sealing coaxial electric connector |
| CN204391312U (en) * | 2015-02-09 | 2015-06-10 | 中国电子科技集团公司第二十三研究所 | A kind of novel heavy-current cable connector contact connected structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811141A (en) * | 2016-03-21 | 2016-07-27 | 中航光电科技股份有限公司 | Electrical connector and jack and outer sleeve thereof |
| CN113903525A (en) * | 2021-09-30 | 2022-01-07 | 浙江亘古电缆股份有限公司 | Novel modified polypropylene power cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104682038B (en) | 2017-01-04 |
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