CN109149278A - A kind of shielding contact structures of cylindrical connector - Google Patents
A kind of shielding contact structures of cylindrical connector Download PDFInfo
- Publication number
- CN109149278A CN109149278A CN201811081382.XA CN201811081382A CN109149278A CN 109149278 A CN109149278 A CN 109149278A CN 201811081382 A CN201811081382 A CN 201811081382A CN 109149278 A CN109149278 A CN 109149278A
- Authority
- CN
- China
- Prior art keywords
- shielding
- cable
- cylindrical connector
- contact structures
- glue core
- 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
- 239000003292 glue Substances 0.000 claims abstract description 39
- 239000010410 layer Substances 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000011241 protective layer Substances 0.000 claims description 12
- 210000000078 claw Anatomy 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
-
- 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
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/20—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable
- H01R24/22—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable with additional earth or shield contacts
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a kind of shielding contact structures of cylindrical connector, including the plug casing for connection cables, the end of the cable is equipped with plugging hole component, the plug casing is equipped with pre-and post perforative threading hole, the inner wall of described threading hole one end is equipped with shielding piece, glue core is equipped in the shielding piece, one end of the cable is arranged in locating threading hole, and the plugging hole component is placed in the glue in-core；Shielding snap ring is arranged on the cable being placed in the threading hole, pressure connection terminal that the shielding snap ring, which includes rear end, to be crimped with cable and front end and the contact jaw for shielding piece and connecting, the diameter of the contact jaw is greater than the diameter of the pressure connection terminal, the inner end of the glue core is inserted between the contact jaw and cable, and there is gap between the inner end and the cable and contact jaw of the glue core.The shielding contact structures of cylindrical connector of the present invention, can effectively shorten the size of connector, and can increase shielding contact area.
Description
Technical field
The present invention relates to field of connectors more particularly to a kind of shielding contact structures of cylindrical connector.
Background technique
The connection of current cylindrical connector, shielding snap ring and shell on cable generallys use claw or spring as two
Connector between person realizes shielding connection by way of claw or spring, and contact area is small and reliability is low, and shield effectiveness is not
Electrical requirements can be reached；And in order to reach reliable electrical requirements, the shielding snap ring on cable should be with the plugging hole component of its front end
Between keep certain creepage distance, apart from each other this results in connector overall dimensions relatively both in original structure
Greatly, it is unsuitable to apply at the smaller place of longitudinal space, and also will increase the manufacturing cost of connector.
Summary of the invention
The present invention is directed to above-mentioned existing technological deficiency, provides a kind of shielding contact structures of cylindrical connector, can be effective
Shorten the size of connector, and shielding contact area can be increased.
In order to solve the above-mentioned technical problems, the present invention provides a kind of shielding contact structures of cylindrical connector, including with
In the plug casing of connection cables, the end of the cable is equipped with plugging hole component, and the plug casing is equipped with pre-and post perforative
Threading hole, the inner wall of described threading hole one end are equipped with shielding piece, are equipped with glue core in the shielding piece, one end of the cable is worn
In locating threading hole, and the plugging hole component is placed in the glue in-core；It is arranged on the cable being placed in the threading hole
Shield snap ring, the pressure connection terminal and front end and the contact for shielding piece and connecting that the shielding snap ring, which includes rear end, crimp with cable
End, the diameter of the contact jaw are greater than the diameter of the pressure connection terminal, and the contact jaw and cable are inserted into the inner end of the glue core
Between, and there is gap between the inner end and the cable and contact jaw of the glue core.
Preferably, the cable successively includes conductive layer, insulating layer, shielded layer and insulating protective layer from inside to outside；It is described
Plugging hole component is crimped on the conductive layer, and the shielded layer is by turning up set on the insulating protective layer periphery, the shielding
Pressure connection terminal on snap ring is set in the insulating protective layer periphery and compresses the shielded layer；Institute is inserted into the inner end of the glue core
It states between contact jaw and insulating layer, and there is gap between the inner end and the insulating layer and contact jaw of the glue core.
Preferably, the maximum spacing between the inner end and the contact jaw of the glue core is 0.9mm, and minimum spacing is
0.5mm。
Preferably, the glue in-core is equipped with claw, and the plugging hole component periphery is equipped with the card fixed with claw cooperation
Slot.
Preferably, the inner wall of the inner end of the shielding piece is equipped with the elastic contact chip connecting with the contact jaw.
Preferably, the inserting groove having for grafting is constituted between the outboard end of the glue core and the shielding piece.
Preferably, the inside of the threading hole is divided into leading portion and back segment by flange, and the shielding piece and shielding snap ring are set
In in leading portion, the first water proof ring being sleeved on outside insulating protective layer, and first waterproof are equipped between back segment and the cable
Gasket is equipped between circle and flange.
Preferably, tail button is further sleeved on the outside of the cable, the tail button is buckled in the tail end of the plug casing.
Preferably, the front end outer side of the plug casing is arranged with the second water proof ring；The forward end of the plug casing
It is set with plug pressing plate.
Preferably, the periphery of the plug casing is additionally provided with the handle for locking.
Preferably, the plug casing is made of aluminium alloy integrated molding.
The invention has the following advantages:
The present invention realizes different effects by using the different shielding snap ring of two sections of sizes, shields diameter ratio on snap ring
Lesser pressure connection terminal is for crimping cable, and there are gaps between diameter bigger a part and cable on shielding snap ring, then
The inner end of glue core is inserted into the gap and there is gap between shielding snap ring and cable respectively, it in this way will by glue core
The plugging hole component of shielding snap ring and glue in-core separates, and effectively increases creepage distance between the two, and by by one of glue core
In point insertion shielding snap ring, the entire length of connector can be effectively shortened, thereby reduce the production cost of connector；And it uses
Cricoid contact jaw contacts realization shielding connection with shielding piece, increases contact area, reduces contact resistance, enhances shielding effect
Fruit improves contact stabilization, can avoid the existing shielding connection type by claw or spring and cause to overlap undesirable risk；This
Invention connector also have the characteristics that structure is simple, disassembly with easy to assembly, shield effectiveness is good.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, not
Inappropriate limitation of the present invention is constituted, in the accompanying drawings:
Fig. 1 is the schematic diagram of cylindrical connector in embodiment；
Fig. 2 is that cylindrical connector is located at the sectional view at contact jaw in embodiment；
Fig. 3 is the cross-sectional view of cylindrical connector in embodiment；
Fig. 4 is the enlarged diagram of A in Fig. 3；
Fig. 5 is the schematic diagram that piece is shielded in embodiment.
Specific embodiment
In order to more fully understand technology contents of the invention, below in conjunction with attached drawing and specific embodiment to the present invention
It is described further and illustrates.
Embodiment 1
As shown in Figures 1 to 5, a kind of shielding contact structures of cylindrical connector shown in the present embodiment, including for connecting
The plug casing 2 of wiring cable 1, the end of cable 1 are equipped with plugging hole component 3, and the front end of plugging hole component 3 is equipped with for contact pin insertion
Jack 31；It is set on plug casing 2 there are two pre-and post perforative threading hole 21, is equipped with ring on the inner wall of two 21 one end of threading hole
The shielding piece 4 of shape, specifically, being equipped with the first elasticity of multiple outward bendings and circular array distribution in the periphery of shielding piece 4
Gear button 41 is equipped with the groove (not shown) with 41 cooperation of the first elasticity gear button on 2 inner wall of plug casing；It shields in piece 4
It is arranged with glue core 5, specifically, the inner circumferential in shielding piece 4 is equipped with multiple the second elasticity to bend inwards and circular array is distributed
Gear button 42 is equipped with the annular groove 51 that 42 cooperations are buckled with the second elasticity gear in the periphery of glue core 5；One end of cable 1 is arranged in
In string holes 21, and the engaging of plugging hole component 3 is set in glue core 5, specifically, being equipped with claw 7 in glue core 5,3 periphery of plugging hole component is equipped with
Cooperate fixed card slot 32 with claw 7；It is arranged with shielding snap ring 6 made of metal on the cable 1 being placed in threading hole 21, shields
The contact jaw 62 that snap ring 6 includes pressure connection terminal 61 that rear end and cable 1 crimp and front end with shields piece 4 and connect is covered, contact jaw 62
Diameter be greater than pressure connection terminal 61 diameter, glue core 5 inner end insertion contact jaw 62 and cable 1 between, and the inner end of glue core 5 with
There is gap between cable 1 and contact jaw 62.
Specifically, cable 1 from inside to outside successively include conductive layer 11, insulating layer 12, shielded layer (not shown) and absolutely
Edge protective layer 13；The plugging hole component is crimped on the conductive layer, and the shielded layer is by turning up set on the insulation protection
Layer periphery, the pressure connection terminal 61 shielded on snap ring 6 are crimped on 13 periphery of insulating protective layer and compress shielded layer；The inside of glue core 5
Between end insertion contact jaw 62 and insulating layer 12, and between existing between the inner end of glue core 5 and insulating layer 12 and contact jaw 62
Gap.
Specifically, constituting the inserting groove 52 having for grafting between the outboard end and shielding piece 4 of glue core 5；Shield 4 inside of piece
The inner wall at end is equipped with the elastic contact chip 43 to bend inwards for connecting with 62 periphery of contact jaw, shields 4 outboard end of piece
Inner wall on be equally equipped with the elastic contact chip 43 that bends inwards, for (being plugged together with plug casing with exterior shield structure
Shielding piece in Socket casing) contact.
Specifically, the inside of threading hole 21 is divided into leading portion and back segment by flange 22, shielding piece 4 and shielding snap ring 6 are all provided with
In in leading portion, be equipped with the first water proof ring 8 being sleeved on outside insulating protective layer 13 between back segment and cable 1, and the first water proof ring 8 with
Gasket 23 is equipped between flange 22, in order not to interfere in shielding snap ring insertion leading portion, the setting of the centre bore of the flange it is bigger,
The end face of its protrusion in this way is smaller, is not enough to be supported the first water proof ring 8, bigger by increasing end face in the later period
Gasket 23 provides effective support for giving the first water proof ring 8.
Specifically, being further sleeved with tail button 9 on the outside of cable 1, tail button 9 is buckled in 2 tail end of plug casing, specifically, tail button 9
Two sides are equipped with the holding section 91 extended downwardly, and holding section is equipped with the bayonet 92 cooperated with the hook 24 being arranged on plug casing 2,
In the middle section insertion back segment of 9 one end of tail button.
Specifically, the outer sheath of 2 front end of plug casing is equipped with the second water proof ring 10, the socket for plugging together with plug casing
Sealing is realized in shell cooperation；
In other embodiments of the invention, as shown in figure 3, the end sleeve of 2 front end of plug casing is equipped with plug pressing plate 25, the
Two water proof rings 10 are placed in the inside of plug pressing plate 25.
In other embodiments of the invention, as shown in Figure 1 to Figure 3, the periphery of plug casing 2 is additionally provided with the hand for locking
Handle 26.
In other embodiments of the invention, plug casing is made of aluminium alloy integrated molding, can effectively mitigate connector
Weight.
In other embodiments of the invention, the maximum spacing between the inner end and contact jaw of glue core is 0.9mm, between minimum
Away from for 0.5mm.
The specific assembling steps of above-mentioned cylindrical connector are as follows:
A. shielding piece is fitted into the threading hole in plug casing；
B. claw is packed into glue in-core, then glue core is packed into shielding piece；
C. tail button, the first water proof ring, gasket and shielding snap ring are successively penetrated cable；
D. the insulating protective layer of cable and damper ends is peelled off, length 28mm；The insulating layer of exposing is then peelled off one section, length
Degree is 12mm；The finishing of exposing shielded layer is flushed, residue length 9mm, shielded layer of turning over to insulating protective layer outer surface,
The crimping of the pressure connection terminal in snap ring will be shielded on the shielding layer, and the contact jaw shielded in snap ring is made vacantly to be placed in insulating layer periphery；
E. plugging hole component is crimped on the conductive layer exposed on cable；
F. the component on cable and cable from the back segment of plug casing insertion threading hole, and block after plugging hole component insertion
Conjunction is placed in glue in-core；
G. successively gasket, the first water proof ring are packed into the back segment of threading hole and buckle well tail and buckled；
H., second water proof ring and plug pressing plate are finally loaded on to the front end of plug casing, handle engaging is finally mounted in plug
On shell, assembling is completed.
It is provided for the embodiments of the invention technical solution above to be described in detail, specific case used herein
The principle and embodiment of the embodiment of the present invention are expounded, the explanation of above embodiments is only applicable to help to understand this
The principle of inventive embodiments；At the same time, for those skilled in the art, according to an embodiment of the present invention, in specific embodiment party
There will be changes in formula and application range, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (10)
1. a kind of shielding contact structures of cylindrical connector, including the plug casing for connection cables, the end of the cable
Equipped with plugging hole component, which is characterized in that the plug casing be equipped with pre-and post perforative threading hole, described threading hole one end it is interior
Wall is equipped with shielding piece, and the shielding piece is interior to be equipped with glue core, and one end of the cable is arranged in locating threading hole, and described slotting
Aperture member is placed in the glue in-core；Shielding snap ring is arranged on the cable being placed in the threading hole, the shielding snap ring includes
The contact jaw that the pressure connection terminal and front end that rear end and cable crimp connects with the shielding piece, described in the diameter of the contact jaw is greater than
The inner end of the diameter of pressure connection terminal, the glue core is inserted between the contact jaw and cable, and the inner end of the glue core and institute
It states and there is gap between cable and contact jaw.
2. the shielding contact structures of cylindrical connector according to claim 1, which is characterized in that the cable is from inside to outside
It successively include conductive layer, insulating layer, shielded layer and insulating protective layer；The plugging hole component is crimped on the conductive layer, described
Shielded layer is set in the insulation protection by the pressure connection terminal on the insulating protective layer periphery, the shielding snap ring that turns up
Layer periphery simultaneously compresses the shielded layer；The inner end of the glue core is inserted between the contact jaw and insulating layer, and the glue core
Inner end and the insulating layer and contact jaw between there is gap.
3. the shielding contact structures of cylindrical connector according to claim 2, which is characterized in that the inner end of the glue core
Maximum spacing between the contact jaw is 0.9mm, minimum spacing 0.5mm.
4. the shielding contact structures of cylindrical connector according to claim 3, which is characterized in that the glue in-core is equipped with card
Pawl, the plugging hole component periphery are equipped with the card slot fixed with claw cooperation.
5. the shielding contact structures of cylindrical connector according to claim 4, which is characterized in that the inside of the shielding piece
The inner wall at end is equipped with the elastic contact chip connecting with the contact jaw.
6. the shielding contact structures of cylindrical connector according to claim 5, which is characterized in that the outboard end of the glue core
The inserting groove having for grafting is constituted between the shielding piece.
7. the shielding contact structures of cylindrical connector according to claim 6, which is characterized in that the inside of the threading hole
Leading portion and back segment are divided by flange, the shielding piece and shield card are located in leading portion, are equipped between back segment and the cable
The first water proof ring being sleeved on outside insulating protective layer, and gasket is equipped between first water proof ring and flange.
8. the shielding contact structures of cylindrical connector according to claim 7, which is characterized in that the outside of the cable is also
It is set with tail button, the tail button is buckled in the tail end of the plug casing.
9. the shielding contact structures of cylindrical connector according to claim 8, which is characterized in that before the plug casing
Outer sheath is held to be equipped with the second water proof ring；The forward end of the plug casing is set with plug pressing plate.
10. the shielding contact structures of -9 described in any item cylindrical connectors according to claim 1, which is characterized in that described to insert
The periphery of casing is additionally provided with the handle for locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811081382.XA CN109149278A (en) | 2018-09-17 | 2018-09-17 | A kind of shielding contact structures of cylindrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811081382.XA CN109149278A (en) | 2018-09-17 | 2018-09-17 | A kind of shielding contact structures of cylindrical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109149278A true CN109149278A (en) | 2019-01-04 |
Family
ID=64814352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811081382.XA Pending CN109149278A (en) | 2018-09-17 | 2018-09-17 | A kind of shielding contact structures of cylindrical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109149278A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102870280A (en) * | 2010-04-09 | 2013-01-09 | 富加宜汽车控股公司 | Electromagnetic shielding device |
| CN103036114A (en) * | 2011-10-04 | 2013-04-10 | 泰科电子荷兰公司 | Shielded enclosure assembly for at least one in particular standardized connector on a cable |
| CN103441381A (en) * | 2013-08-01 | 2013-12-11 | 苏州智绿环保科技有限公司 | High-current high-shielding connector with high-voltage interlocking loop |
| CN205583258U (en) * | 2016-05-09 | 2016-09-14 | 乐清市八达光电科技股份有限公司 | Heavy current metal connector with high pressure interlocking signal delay function |
| EP3107155A1 (en) * | 2015-06-16 | 2016-12-21 | Delphi International Operations Luxembourg S.à r.l. | Electrical connector system with shielding sleeve |
| CN205846360U (en) * | 2016-07-29 | 2016-12-28 | 乐清市八达光电科技股份有限公司 | A kind of high current connector with low shielding resistance |
| CN106451251A (en) * | 2016-10-28 | 2017-02-22 | 江苏亨鑫科技有限公司 | Radiant leaky coaxial cable stripping tool |
| CN106450967A (en) * | 2016-11-26 | 2017-02-22 | 中国电子科技集团公司第四十研究所 | High-voltage heavy current connector with auxiliary signal plug |
| JP2017098103A (en) * | 2015-11-25 | 2017-06-01 | 住友電装株式会社 | Shield connection structure |
| CN206322917U (en) * | 2017-01-13 | 2017-07-11 | 乐清市八达光电科技股份有限公司 | A kind of two core high-voltage interlockings shielding metal connector |
| CN207753224U (en) * | 2018-01-21 | 2018-08-21 | 顺科新能源技术股份有限公司 | A kind of three core push-down straight peen high pressure plastic cement connectors |
| CN208849171U (en) * | 2018-09-17 | 2019-05-10 | 深圳巴斯巴科技发展有限公司 | A kind of shielding contact structures of cylindrical connector |
-
2018
- 2018-09-17 CN CN201811081382.XA patent/CN109149278A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102870280A (en) * | 2010-04-09 | 2013-01-09 | 富加宜汽车控股公司 | Electromagnetic shielding device |
| CN103036114A (en) * | 2011-10-04 | 2013-04-10 | 泰科电子荷兰公司 | Shielded enclosure assembly for at least one in particular standardized connector on a cable |
| CN103441381A (en) * | 2013-08-01 | 2013-12-11 | 苏州智绿环保科技有限公司 | High-current high-shielding connector with high-voltage interlocking loop |
| EP3107155A1 (en) * | 2015-06-16 | 2016-12-21 | Delphi International Operations Luxembourg S.à r.l. | Electrical connector system with shielding sleeve |
| JP2017098103A (en) * | 2015-11-25 | 2017-06-01 | 住友電装株式会社 | Shield connection structure |
| CN205583258U (en) * | 2016-05-09 | 2016-09-14 | 乐清市八达光电科技股份有限公司 | Heavy current metal connector with high pressure interlocking signal delay function |
| CN205846360U (en) * | 2016-07-29 | 2016-12-28 | 乐清市八达光电科技股份有限公司 | A kind of high current connector with low shielding resistance |
| CN106451251A (en) * | 2016-10-28 | 2017-02-22 | 江苏亨鑫科技有限公司 | Radiant leaky coaxial cable stripping tool |
| CN106450967A (en) * | 2016-11-26 | 2017-02-22 | 中国电子科技集团公司第四十研究所 | High-voltage heavy current connector with auxiliary signal plug |
| CN206322917U (en) * | 2017-01-13 | 2017-07-11 | 乐清市八达光电科技股份有限公司 | A kind of two core high-voltage interlockings shielding metal connector |
| CN207753224U (en) * | 2018-01-21 | 2018-08-21 | 顺科新能源技术股份有限公司 | A kind of three core push-down straight peen high pressure plastic cement connectors |
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