CN104300314B - A kind of electric connector shielding ring - Google Patents
A kind of electric connector shielding ring Download PDFInfo
- Publication number
- CN104300314B CN104300314B CN201410218165.6A CN201410218165A CN104300314B CN 104300314 B CN104300314 B CN 104300314B CN 201410218165 A CN201410218165 A CN 201410218165A CN 104300314 B CN104300314 B CN 104300314B
- Authority
- CN
- China
- Prior art keywords
- flexure strip
- pushing tow
- housing
- shielding ring
- ring body
- 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
-
- 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
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
- H01R13/6582—Shield structure with resilient means for engaging mating connector
Abstract
The present invention relates to a kind of electric connector shielding ring, the ring body extended along the longitudinal direction including axis, ring body rear end is provided with least two outer flexure strips to turn up, each outer flexure strip is respectively provided with the leading flank that the installation base surface block on the housing with corresponding connectors is engaged, and the push stopping part for being used to coordinate with the pushing tow structure pushing tow on the tail accessory of the connector of block direction backwards is provided with the rear end or trailing flank of each outer flexure strip.The invention provides it is a kind of can be with the shielding ring of housing reliable contacts.
Description
Technical field
The present invention relates to a kind of electric connector shielding ring.
Background technology
Cable shield refers to sponge the interference signal of outside by the screen layer of Exterior cable, prevents to cable inside
Control signal produce interference；Or sponge interference caused by cable internal control signal by screen layer, prevent to outside
Produce interference.In general connector is required for the interference signal of screen layer being efficiently transferred to switch board by metallic object or set
On standby parent, shielding action is played by ground connection.
Existing a kind of connector " shielding metallic cable water-proof connector " as disclosed in Chinese patent CN202025948U,
The connector includes housing, and the cable mounting hole that axis extends along the longitudinal direction is provided with housing, is set in cable mounting hole
Have a shielding ring, shielding ring includes the ring body being coaxially set with cable mounting hole, ring body be provided be used for it is corresponding
The elastic claw that the screen layer of cable is engaged, multiple salient points are evenly equipped with the excircle of ring body, be provided with housing point
The not groove corresponding with each salient point, each salient point are convexly equipped in respective slot respectively, are ensured by the cooperation of salient point and groove
Shielding ring will not be moved axially and circumferentially rotated in use.When in use, cable in the endoporus of shielding ring by passing through, line
The screen layer of cable contacts connection with the elastic claw of shielding ring, and the outer peripheral face of ring body contacts company with the inner hole wall of cable mounting hole
Connect, screen layer has problems in that through shielding ring, frame ground, existing this connector：Screen layer need through shielding ring,
Whether frame ground, the connection between screen layer and shielding ring, between shielding ring and housing reliably can all directly influence shielding
The earthing effect of layer, though elastic claw can guarantee that the reliable contacts of screen layer and shielding ring, due to mismachining tolerance, shielding ring with
Contact between housing can not obtain Reliable guarantee, it is possible to the ground connection of screen layer can be caused to fail.
The content of the invention
It is an object of the invention to provide it is a kind of can be with the shielding ring of housing reliable contacts.
In order to solve the above problems, the technical scheme is that：
A kind of electric connector shielding ring, including the ring body that axis extends along the longitudinal direction, ring body rear end are set
There are at least two outer flexure strips to turn up, each outer flexure strip is respectively provided with the installation base surface gear on the housing with corresponding connectors
The leading flank being only engaged, be provided with the rear end or trailing flank of each outer flexure strip block direction backwards be used for it is described
The push stopping part that pushing tow structure pushing tow on the tail accessory of connector coordinates.
Each outer flexure strip is gradually resiliently overhanged towards the axis direction away from ring body from front to back, and each outer flexure strip prolongs
Stretch direction and tilted with the axis of ring body and intersected.
The rear end of each outer flexure strip is bent inwards by outer knuckle and has turn edge, and the push stopping part is by the outer mistake
Cross fillet composition.
The front end varus of the ring body has at least two axis direction bullets for being increasingly towards ring body from front to back
Property overhang interior flexure strip, the rear end of each interior flexure strip passes through the interior mistake for being engaged with the screen layer of corresponding cable
Crossing fillet outward bending has outer turn edge.
Each outer turn edge gradually overhangs towards the center away from ring body from front to back, and each outer bearing of trend to turn edge is and ring
The axis of shape body tilts intersecting.
Beneficial effects of the present invention are：When in use, shielding ring is installed on the housing of electric connector, the peace on housing
The leading flank block for filling basal plane and each outer flexure strip coordinates so as to limit the moving limit backwards of shielding ring, then by tail accessory
Housing rear end is assemblied in, for tail accessory when being moved forward relative to housing, the pushing tow structure pushing tow on tail accessory outer elasticity
Push stopping part on piece causes outer flexure strip elastic deformation facing forward, until the leading flank of outer flexure strip is brought into close contact with installation base surface,
The reliable contacts of shielding ring and housing are ensure that by the cooperation of installation base surface and pushing tow structure.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of shielding ring in the present invention；
Fig. 2 is Fig. 1 stereogram；
Fig. 3 is Fig. 1 use state figure；
Fig. 4 is assembling schematic diagram of the tail accessory during housing is assembled in Fig. 3.
Embodiment
The embodiment of electric connector shielding ring is as shown in Figure 1 and 2：Shielding ring includes the ring that axis extends along the longitudinal direction
Shape body 8, the front end varus of ring body have the resiliently overhanged interior bullet of multiple axis for being increasingly towards ring body from front to back
Property piece 9, the rear end of each interior flexure strip 9 by the interior outward bending of knuckle 10 have it is outer turn edge 11, interior knuckle be used for
The screen layer of corresponding cable is engaged, and each outer turn edge 11 gradually overhangs towards the center position away from ring body from front to back,
Each outer bearing of trend to turn edge tilts with the axis of ring body to intersect.The rear end of ring body is provided with multiple outer flexure strips 2,
The leading flank of each outer flexure strip is used to be engaged with installation base surface block, and each outer flexure strip 2 is from front to back gradually towards away from ring
The axis direction of shape body is resiliently overhanged, and the bearing of trend of each outer flexure strip 2 tilts with the axis of ring body to intersect, each outer
The rear end of flexure strip is bent inwards by outer knuckle 14 turn edge 15, and outer knuckle constitutes block direction backwards
Push stopping part.
Using the electric connector of the shielding ring as shown in Fig. 3 ~ 4：It is attached to include the afterbody that housing 1 and relative housing can move forward and backward
Part, the cable mounting hole that axis extends along the longitudinal direction is provided with housing, shielding ring is provided with cable mounting hole.Cable is pacified
Dress hole includes ladder hole section, and ladder hole section has the front and rear aperture section and big hole section 12 set, and aperture section and big hole section 12 pass through
Transition shoulder 16 connects, and transition shoulder 16 surrounds a bellmouth that aperture becomes larger from front to back, and the hole wall of bellmouth prolongs
Stretch direction and tilted with the axis of cable mounting hole and intersected, the step surface of transition shoulder 16 forms the installation base of block direction backwards
Face.Above-mentioned shielding ring is arranged in cable mounting hole.Tail accessory includes being used for by rear to the top being before inserted into ladder hole section
Pushing sleeve 6, pushing tow set periphery rotate is arranged with attachment cap 7, housing rear end is provided with external screw thread, be provided with attachment cap for it is outer
Screw thread is screwed to realize tail accessory with respect to the internal thread that housing moves forward and backward, and the front end face of pushing tow set 6, which is formed, to be used for and thrust
The pushing tow structure that portion pushing tow coordinates, front end face tooth 13 is provided with the rear hole opening's edge of cable mounting hole, pushing tow is put in pushing tow
The rear end face tooth 5 for being engaged with front end face tooth 13 is provided with rear side of structure, between pushing tow set and the big hole section of ladder hole section
It is provided with sealing ring 14.
When in use, tail accessory and shielding ring are set on cable, the opening position corresponding with shielding ring on cable
Wire covering peel off, interior flexure strip ensure that the reliable contacts of interior knuckle and screen layer, while interior knuckle and outer
Smoothly penetrating while not scratching cable again for cable can be ensured by turning edge, and cable is encased in cable mounting hole by rear to preceding
Afterwards, shielding ring is pushed into ladder hole section, until the leading flank block of the step surface of transition shoulder and each outer flexure strip coordinates,
Tail accessory is then assembled to the rear end of housing, tail accessory is in assembling, on the rear end face tooth and housing that pushing tow is put
Front end face tooth is engaged, and when rotated, pushing tow set will not rotate to be moved forward with attachment cap such attachment cap, connect
Cap spinning is to during on housing, the outer knuckle of the gradual pushing tow of front end face of pushing tow set, the front end face of pushing tow set and outer mistake
Cross fillet pushing tow to coordinate until after the elastic deformation of each outer flexure strip generation forward, the leading flank of each outer flexure strip is closely sticked
On the step surface of transition shoulder, so outer flexure strip just by between the firm front end face for being located in step surface and pushing tow and covering, is protected
The reliable contacts of shielding ring and housing have been demonstrate,proved, have only needed to withstand shielding ring push-in in operation, operation is simple, and shielding ring can be same
Shi Shixian and screen layer and the reliable contacts of housing.After assembling terminates, interior flexure strip ensure that the reliable of shielding ring and screen layer
Contact, outer flexure strip ensure that the reliable contacts of shielding ring and housing, so as to ensure that the reliable ground of screen layer, assembling process
Simple and convenient, when needing to shielding ring dismounting and change, need to only dismantle tail accessory, directly take out shielding ring, shield
The replacing of circle is also very convenient；Outer flexure strip be obliquely installed can both ensure with the sufficient contact area of housing, shell will not be increased again
The too many radial dimension of body.
In the other embodiments of this shielding ring：The number of inside and outside flexure strip can also be configured as needed, such as
Say two, three or other numbers；Push stopping part can also be arranged on the leading flank of outer flexure strip, now outer knuckle and interior
Turning edge to set, and the leading flank of the outer flexure strip of the direct pushing tow of front end face of pushing tow set is deformed outer flexure strip；Transition bench
The bearing of trend of the step surface of rank can also intersect vertically with the axis of cable mounting hole, the now outer bearing of trend to turn edge also with
The axis of ring body intersects vertically.
Claims (4)
1. a kind of electric connector shielding ring, including the ring body that axis extends along the longitudinal direction, it is characterised in that：Annular is originally
Body rear end is provided with least two outer flexure strips to turn up, and each outer flexure strip is respectively provided with the peace on the housing with corresponding connectors
The leading flank that basal plane block is engaged is filled, the use of block direction backwards is provided with the rear end or trailing flank of each outer flexure strip
In the push stopping part coordinated with the pushing tow structure pushing tow on the tail accessory of the connector, the electric connector of the shielding ring is used
Including the movable tail accessory of housing and relative housing, the cable installation that axis extends along the longitudinal direction is provided with housing
Hole, cable mounting hole include ladder hole section, during assembling, after cable is by rear to preceding be encased in cable mounting hole, by shielding ring
It is pushed into ladder hole section, until the leading flank block of the step surface of transition shoulder and each outer flexure strip coordinates, then by afterbody
Annex is assembled to the rear end of housing, and tail accessory in assembling, sting by rear end face tooth and the front end face tooth on housing that pushing tow is put
Close, when rotated, pushing tow set will not rotate to be moved forward with attachment cap attachment cap, in attachment cap spinning to housing
During, the gradual pushing tow push stopping part of front end face of pushing tow set, the front end face of pushing tow set coordinates with push stopping part pushing tow until each outer
After flexure strip produces elastic deformation forward, the leading flank of each outer flexure strip is closely sticked on the step surface of transition shoulder, institute
Stating the front end varus of ring body has at least two resiliently overhanged interior of axis direction for being increasingly towards ring body from front to back
Flexure strip, the rear end of each interior flexure strip pass through the interior knuckle bent outward for being engaged with the screen layer of corresponding cable
Folding is turned edge outside having, and outer flexure strip and interior flexure strip correspondence are set.
2. electric connector shielding ring according to claim 1, it is characterised in that：Each outer flexure strip gradual court from front to back
Axis direction away from ring body is resiliently overhanged, and the bearing of trend of each outer flexure strip tilts phase with the axis of ring body
Hand over.
3. electric connector shielding ring according to claim 1, it is characterised in that：The rear end of each outer flexure strip is by outer
Knuckle, which bends inwards, turn edge, and the push stopping part is made up of the outer knuckle.
4. electric connector shielding ring according to claim 1, it is characterised in that：Turned edge from front to back gradually towards remote outside each
Center from ring body overhangs, and each outer bearing of trend to turn edge tilts with the axis of ring body to intersect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410218165.6A CN104300314B (en) | 2014-05-22 | 2014-05-22 | A kind of electric connector shielding ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410218165.6A CN104300314B (en) | 2014-05-22 | 2014-05-22 | A kind of electric connector shielding ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104300314A CN104300314A (en) | 2015-01-21 |
| CN104300314B true CN104300314B (en) | 2017-11-10 |
Family
ID=52319946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410218165.6A Active CN104300314B (en) | 2014-05-22 | 2014-05-22 | A kind of electric connector shielding ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104300314B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732486B (en) * | 2016-08-10 | 2019-08-13 | 泰科电子(上海)有限公司 | Cable connection assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5906513A (en) * | 1997-03-20 | 1999-05-25 | Woodhead Industries Inc. | Shielded, molded electrical connector |
| CN201717471U (en) * | 2010-04-28 | 2011-01-19 | 光红建圣股份有限公司 | Coaxial cable connector |
| CN201732931U (en) * | 2010-06-30 | 2011-02-02 | 亮泰企业股份有限公司 | Connector structure of coaxial cable |
| CN201853884U (en) * | 2010-09-08 | 2011-06-01 | 沈阳兴华航空电器有限责任公司 | HY twist-lock type electric connector |
| CN202025948U (en) * | 2011-02-25 | 2011-11-02 | 上海文依电器有限公司 | Water-proof connector of shielded metal cable |
-
2014
- 2014-05-22 CN CN201410218165.6A patent/CN104300314B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5906513A (en) * | 1997-03-20 | 1999-05-25 | Woodhead Industries Inc. | Shielded, molded electrical connector |
| CN201717471U (en) * | 2010-04-28 | 2011-01-19 | 光红建圣股份有限公司 | Coaxial cable connector |
| CN201732931U (en) * | 2010-06-30 | 2011-02-02 | 亮泰企业股份有限公司 | Connector structure of coaxial cable |
| CN201853884U (en) * | 2010-09-08 | 2011-06-01 | 沈阳兴华航空电器有限责任公司 | HY twist-lock type electric connector |
| CN202025948U (en) * | 2011-02-25 | 2011-11-02 | 上海文依电器有限公司 | Water-proof connector of shielded metal cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104300314A (en) | 2015-01-21 |
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