CN101889371A - Mat seal joint for electrical connector - Google Patents
Mat seal joint for electrical connector Download PDFInfo
- Publication number
- CN101889371A CN101889371A CN2007801018299A CN200780101829A CN101889371A CN 101889371 A CN101889371 A CN 101889371A CN 2007801018299 A CN2007801018299 A CN 2007801018299A CN 200780101829 A CN200780101829 A CN 200780101829A CN 101889371 A CN101889371 A CN 101889371A
- Authority
- CN
- China
- Prior art keywords
- overlay film
- guide groove
- thick
- wall
- cable
- 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.)
- Granted
Links
- 239000000565 sealant Substances 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract 3
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 210000002445 nipple Anatomy 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 229920001707 polybutylene terephthalate Polymers 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- -1 polybutylene terephthalate Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 229920000260 silastic Polymers 0.000 description 1
Images
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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5205—Sealing means between cable and housing, e.g. grommet
- H01R13/5208—Sealing means between cable and housing, e.g. grommet having at least two cable receiving openings
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
A mat seal joint (1) for an electrical connector, the joint comprising a body having through channels (2a, 2b) for retention therein of an electrical cable (9), at least one of the channels having a wall and a sealing membrane extending from the wall and sealing the channel against fluids, the membrane comprising a thin portion (15) torn upon insertion of an electrical member, and a thick portion (16), mechanically joining the thin zone to the wall, the membrane comprises an anti-sealant portion (17) whereby, in a failed state, fluids are allowed to flow through the channel.
Description
Technical field
The present invention relates to mat seal joint for electrical connector.
Background technology
In automobile is used, use the electric connector that comprises mat seal joint.Normally used sealing cushion joint (being also referred to as " packing ring ") is made into integration by elastomeric material in this field, to protect electrical connecting member to avoid moisture and dust at least effectively or can weaken the normal characteristic of connector or the influence of other element of its performance.At least one electrical connecting member is inserted into the guide groove that passes seal nipple.Electrical connecting member generally includes metal contact portion and relative cable, and metal contact portion is used for being electrically connected with electrical connecting element that cooperates or circuit.
In most of connectors,, therefore, overlay film is set in guide groove to avoid needing independent plug to come the guide groove that is not used in the possum belly owing to be not that all guide grooves all need to receive electrical connecting member.Overlay film keeps not being pierced in the guide groove that is not used, and therefore avoids the sealing of joint to be weakened.
For example, EP 0625807 discloses a kind of mat seal joint for electrical connector, and described joint comprises main body, this main body has a plurality of perforation guide grooves, these a plurality of perforation guide grooves all are used to make cable to insert wherein, and guide groove is sealed by overlay film, and described overlay film is suitable for being torn when inserting electrical connecting member.
Such electric connector is carried out substantive test, do not weakened with the mechanical integrity of be sure oing joint when the assembly process connecting elements inserts by joint, otherwise this will diminish the sealability of whole seal.
Although above-mentioned mat seal joint is satisfactory generally when normal the use, when one of them overlay film has problems when being torn by mistake in electric components the misplugs specific guide groove.When detecting this and misplug and removed from guide groove the electric components (for example for electric components is inserted the correct guide groove) that misplugs, overlay film still keeps tearing.
At sealability test period subsequently, not necessarily can detect overlay film and misplug fashionable being torn.Suppose that the guide groove that is not occupied will be compressed the material of overlay film by the guide groove compression that adjacent quilt occupies, thereby can not detect tearing of overlay film.Yet, for example aging when tearing at the life period of seal nipple because of tearing expansion or covering material, thus the overlay film that is torn may finally not provide the excellent sealing ability.This will cause the life-span of joint and whole connector to be reduced.
Therefore, the purpose of this invention is to provide a kind of can not be when overlay film is torn inadequately by the mat seal joint of sealability test.
Summary of the invention
For this purpose, provide a kind of mat seal joint according to claim 1.
These features of passing through to be advocated, the geometrical construction of overlay film guarantees to provide a gap, makes will detect tearing of overlay film when sealability is tested.
In some embodiments, a kind of mat seal joint is also capable of being combined or use independently as one or more features of qualification in the claim 2 to 9.
Description of drawings
The following explanation and the accompanying drawing of five execution modes from embodiment of the present invention will embody other features and advantages of the present invention easily, and these execution modes provide as indefiniteness embodiment.
In the accompanying drawing:
The exploded view of the connector shown in when Fig. 1 is no any electric components,
Fig. 2 is the partial perspective view of embodiment of electric components that is used for the connector of Fig. 1,
Fig. 3 be overlay film according to first execution mode in the detailed top view of laying under the state,
Fig. 4 is that line IV-IV is passed protuberance along the cutaway view of line IV-IV of Fig. 3,
Fig. 5 is the cutaway view along line V-V of Fig. 3,
Fig. 6 is the cutaway view in line VI-VI of error state lower edge Fig. 3 of joint,
Fig. 7 is a cutaway view identical with Fig. 4 under the error state,
Fig. 8 is that line VIII-VIII is passed base portion at the cutaway view of line VIII-VIII of error state lower edge Fig. 3,
Fig. 9,10,11, the 12nd, identical with Fig. 3 respectively at second, third, the figure of the 4th, the 5th execution mode.
In different figure, identical Reference numeral is represented same or analogous element.
Embodiment
Fig. 1 is the exploded view of electric connector.This connector comprises the housing of being made by the electrical insulating material of the polybutylene terephthalate (PBT) (PBT) that strengthens such as glass fibre 5.This housing comprises layout pillared anterior 6 and is used to receive many rows passage 4 of the electrical connecting member that describes in further detail after a while.This housing also comprises rear portion 3, and this rear portion 3 is used to receive sealing device 1 and grid 7, and each in sealing device 1 and the grid 7 includes the path corresponding with the path 4 of housing.
Sealing device 1 such as mat seal joint is inserted between the front portion 6 and grid 7 of housing.After a while mat seal joint will be described in more detail.
Mat seal joint 1 is for example made by the soft deformable accurate incompressible material of liquid silastic and so on.Suitable embodiment can be the material that is provided by GE-Bayer with reference to Silopren 3596/30 (Shore hardness 30).Above-mentioned material also has self-lubricating property because of 5% oil content, is convenient to contact thus and inserts.
Based on application requirements, seal nipple 1 also can use hot curing rubber (HCR), silicones or ethylene propylene diene rubber (EPDM), thermoplastic elastomer (TPE) (EPT) to wait other material.Seal nipple 1 comprises upper surface and opposing lower surface, and upper surface is used to insert electric components.In described embodiment, in mat seal joint, limit two groups of guide groove 2a, 2b, first group of wide guide groove 2a that comprises the square approximately 1.5mm of minimum diameter, to receive the thick electrical connecting member among the wide path 8a that inserts housing, second group comprises that minimum diameter is about the narrow guide 2b of 1mm (or following), to receive the thin electrical connecting member among the cat walk 8b that inserts housing.Based on the needed application of connector, joint dimension, group number and joint guide groove are relevant with the housing path with size with quantity, the position of grid path.The size of drawing among Fig. 1, position and size only are exemplary, can become another kind of mat seal joint from a kind of mat seal joint.
In the female connector of present embodiment, electric components 21 as shown in Figure 2 comprises the portion of terminal 22 among the path 8b of the front portion 6 of inserting housing, and this portion of terminal is used for being connected with the positive contact that cooperates.
This portion of terminal is extended from cable element 9, and cable element 9 comprises insulating sleeve 10, and this insulating sleeve 10 passes housing and extends to outside.Sheath 10 comprises that outside or jacket body are designed to extend to the connector outside, to be connected with another electronic equipment near first junction surface 10a of portion of terminal location and outside or jacket body far away.Fig. 2 illustrates and is used to insert the electric components that passes narrow path 8b.Be used to insert the electric components that passes wide path 8a and can have like configurations.
In illustrative execution mode, the contact that is inserted among the wide path 8a is the rectangle part of 2.40 millimeters (mm) * 2.70mm.
Fig. 3 is the top perspective view of the part of the seal nipple on the narrow guide 2b.Guide groove 2b for example extends to the extraction face of seal nipple axisymmetrically about the axis of symmetry 11 parts from the inserting surface of seal nipple.Guide groove 2b is limited by local axial symmetry wall 12, and one or more other antelabium (not shown) of first antelabium 13 and for example these first antelabium, 13 belows are given prominence to from local axial symmetry wall 12.The size of antelabium forms in the close mode of liquid tightly around the sheath of electric components in the guide groove and keeps this sheath.Here use word " top " and " below " to describe the connector shown in Fig. 1, the inserting surface that makes joint is last, and its extraction face can not be mounted to another kind of situation about being orientated down but do not get rid of connector in its operating environment.
Overlay film mainly extends in the transverse plane of the longitudinal axis 11 that is basically perpendicular to guide groove.This overlay film comprises thin portion 15 (it is the thinnest part of this overlay film), and is suitable for being torn after inserting electric components.Thin portion 15 is a rectangle substantially for example, and line extension longitudinally in athwartship plane.
The right side of this vertical line in Fig. 3, thick 16 is extended between antelabium 13 and thin portion 15 with substantially invariable cross section.
The left side of the thin portion 15 in Fig. 3, this overlay film comprise anti-sealant portion 17.In the present embodiment, anti-sealant portion 17 comprises base portion 18, and protuberance 19 projects upwards from this base portion 18.As can specifically finding out in the cutaway view of Fig. 4, base portion 18 is given prominence to up and down with respect to thin portion 15 self.In the present embodiment, protuberance 19 extends in central authorities between the base portion 18 of two symmetries along the axis that is basically perpendicular to described vertical line.Protuberance 19 all extends above thin portion 15 with thick 16.Protuberance 19 has angled profile, and this angled profile provides 13 the continuous inclined-plane from base portion 18 to antelabium substantially.
Below with reference to Fig. 6,7 and 8, the inventor considers the error state of guide groove, and under this error state, the thin portion 15 of overlay film is torn, and no electrical connecting member extends in the guide groove, and some other guide groove receives electrical connecting member.When electrical connecting member mispluged tear overlay film in the guide groove thus and detecting misplug into after when removing immediately, can produce such state.Under this state, described guide groove is by the compression of adjacent guide groove, and by being compressed on the rear portion 3 that grid 7 is locked onto housing 5, thus specifically as shown in Figure 7, and on the protuberance 19 that is placed in anti-sealant portion for thick 16.To be understood by Fig. 8, the face that is inclined upwardly that thick 16 central portion will make its lower surface be highlighted portion 19 supports.Yet, at base portion 18 places, because the elasticity of the material of structure overlay film makes thick 16 not to be placed on the base portion 18.Therefore, at the base portion 18 retention gap G of place of anti-sealant portion 17, allow fluid to flow through thus between thick 16 and the anti-sealant portion 17 from it.
In the sealability test of the sealability of subsequently test connector, guarantee thus that seal nipple can not show sealability mistakenly and by this test.In fact, if protuberance 19 is not a tilted shape, then thick 16 can be placed on the base portion 18 along its whole length, and can seem and have sealability.Different therewith, the joint of only guaranteeing that (being used for not receiving the guide groove of cable element) overlay film is not destroyed and therefore having a permanent seal ability by the present invention can pass through this test.
Fig. 9 to 12 is provided for other embodiment of anti-sealant portion of the overlay film of mat seal joint.In Fig. 9, protuberance 19 comprises two different piece 19a, the 19b on different inclined-planes.For example, the inclined-plane of part 19b is steeper than the inclined-plane of part 19a.
As can be seen from Figure 10, in another embodiment, protuberance 19 is not provided with the inclined-plane, but extends from rib with finger.
In addition, in another embodiment, as shown in Figure 11, protuberance 19 needn't have the straight profile parallel with the vertical line of thin portion 15.For example it can have triangular outline.
As shown in Figure 12, in another embodiment, except having triangular outline, protuberance 19 also can have the inclined-plane for example resembling in first execution mode.
In described execution mode, overlay film 14 is by 13 carryings of first antelabium.Yet this overlay film can directly extend from the outer wall 12 of guide groove.
In addition, the geometrical construction of thin portion 15, thick 16 and anti-sealant portion 17 only is schematically, is not intended to limit the invention to described execution mode.
Claims (9)
1. a mat seal joint for electrical connector (1), described joint comprises main body, this main body have be used to make cable (9) insert wherein a plurality of perforation guide grooves (2a, 2b),
At least one guide groove in the described guide groove has wall (12) and sealing overlay film (14), and described sealing overlay film is from described wall extension and make described guide groove for fluid seal,
Described overlay film comprises: thin portion (15), and when the electric components that will comprise described cable (21) inserted in the described guide groove, this thin portion was suitable for being torn; And thick (16), this thick than described thin thick, mechanically joining described thin portion to described wall,
Wherein, described overlay film comprises anti-sealant portion (17), this anti-sealant portion is suitable for keeping gap (G) by the described overlay film that is torn under the error state, to allow fluid to flow through, under described error state, described overlay film is torn and does not have cable in the described guide groove, and described wall is in compressive state.
2. mat seal joint according to claim 1, wherein, described anti-sealant portion (17) comprises base portion (18) and with respect to this pronathous protuberance (19), wherein, under described error state, described thick (16) of described overlay film are placed on the described protuberance (19), and spaced apart with described base portion (18).
3. a mat seal joint for electrical connector (1), described joint comprises main body, this main body have all be used to make cable insert wherein a plurality of perforation guide grooves (2a, 2b),
At least one guide groove in the described guide groove extends along longitudinal axis (11), and has wall (12) and sealing overlay film (14), and the sealing overlay film is from described wall extension and make described guide groove for fluid seal,
Described overlay film comprises: thin portion (15), and when the electric components that will comprise described cable (21) inserted in the described guide groove, this thin portion was suitable for being torn; And thick (16), this thick than described thin thick, mechanically joining described thin portion to described wall,
Wherein, described overlay film comprises anti-sealant portion (17), this anti-sealant portion comprises base portion (18) and with respect to this pronathous protuberance (19), thus, under the error state, described thick (16) of described overlay film are placed on the described protuberance (19), and it is spaced apart along described longitudinal axis (11) and described base portion (18), to limit the gap (G) that allows fluid to flow through, under described error state, described overlay film is torn and does not have cable in the described guide groove, and described wall is in compressive state.
4. according to claim 2 or 3 described mat seal joints, wherein, described protuberance (19) has the inclined ramp from the described thin portion (15) of described overlay film towards described wall (12).
5. according to the described mat seal joint of aforementioned arbitrary claim, wherein, described overlay film (14) treat along with the transverse plane of longitudinal axis (11) transverse intersection of described guide groove in vertical line be torn, wherein, all extend on the respective side of described vertical line with described anti-sealant portion (17) described thick (16).
6. mat seal joint according to claim 5, wherein, extend on same side with respect to described transverse plane with described anti-sealant portion (17) described thick (16).
7. mat seal joint for electrical connector, described joint comprises main body, this main body have all be used to make cable (9) insert wherein a plurality of perforation guide grooves (2a, 2b),
At least one guide groove in the described guide groove has wall (12) and sealing overlay film (14), and described sealing overlay film extends and makes described guide groove for fluid seal from described wall in transverse plane,
Described overlay film comprises: thin portion (15), and when the electric components that will comprise described cable (9) (21) inserted in the described guide groove, this thin portion was suitable for longitudinally that line is torn; And thick (16), this thick than described thin thick, mechanically joining described thin portion (15) to described wall (12),
Wherein, described overlay film (14) comprises anti-sealant portion (17), described thick and described anti-sealant portion all extend on the respective side of described vertical line, and are positioned at opposite sides with respect to described transverse plane, thus, under the error state, keep gap (G) by the described overlay film that is torn by described anti-sealant portion, flow through to allow fluid, under described error state, described overlay film is torn and does not have cable in the described guide groove, and described wall is in compressive state.
8. according to the described mat seal joint of aforementioned each claim, wherein, described guide groove (2a) comprises that the size of described rib is suitable for closely sealing the cable in the described joint from outstanding at least one rib (13) of described wall, and described overlay film (14) is carried by described rib (13).
9. electric connector, this electric connector comprises: according to the described mat seal joint of aforementioned each claim; And the electric components (21) that comprises cable (9), described cable extension passes described guide groove.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IB2007/055371 WO2009047589A1 (en) | 2007-10-12 | 2007-10-12 | Mat seal joint for electrical connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101889371A true CN101889371A (en) | 2010-11-17 |
| CN101889371B CN101889371B (en) | 2013-01-16 |
Family
ID=39456349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007801018299A Active CN101889371B (en) | 2007-10-12 | 2007-10-12 | Mat seal joint for electrical connector |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2201649B1 (en) |
| CN (1) | CN101889371B (en) |
| AT (1) | ATE528828T1 (en) |
| WO (1) | WO2009047589A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736214A (en) * | 2017-04-18 | 2018-11-02 | 丹佛斯动力系统公司 | Sealing gasket for electrical connector pins |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012208775B4 (en) * | 2012-05-24 | 2018-06-14 | Te Connectivity Germany Gmbh | Connector housing, method for assembling a cable and ready-made electrical cable |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2932685A (en) * | 1958-12-04 | 1960-04-12 | Burndy Corp | Cap for insulated electrical connector |
| FR2844645B1 (en) * | 2002-09-16 | 2004-11-26 | Cinch Connecteurs Sa | ELECTRICAL CONNECTOR SEAL |
| US6966800B2 (en) * | 2004-03-22 | 2005-11-22 | Fci Americas Technology, Inc. | Overmolded electrical connector |
| WO2008107740A1 (en) * | 2007-03-06 | 2008-09-12 | Fci | Sealing joints for electrical connectors |
-
2007
- 2007-10-12 CN CN2007801018299A patent/CN101889371B/en active Active
- 2007-10-12 WO PCT/IB2007/055371 patent/WO2009047589A1/en active Application Filing
- 2007-10-12 AT AT07859567T patent/ATE528828T1/en not_active IP Right Cessation
- 2007-10-12 EP EP07859567A patent/EP2201649B1/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736214A (en) * | 2017-04-18 | 2018-11-02 | 丹佛斯动力系统公司 | Sealing gasket for electrical connector pins |
| CN108736214B (en) * | 2017-04-18 | 2020-10-30 | 丹佛斯动力系统公司 | Sealing gasket for electric connector pin |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2201649A1 (en) | 2010-06-30 |
| ATE528828T1 (en) | 2011-10-15 |
| CN101889371B (en) | 2013-01-16 |
| WO2009047589A1 (en) | 2009-04-16 |
| EP2201649B1 (en) | 2011-10-12 |
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Effective date of registration: 20190118 Address after: Babado J San Michaele Patentee after: Delphi Technologies, Inc. Address before: Luxemburg salad day Patentee before: DELPHI INTERNATIONAL OPERATIONS LUXEMBOURG S.A.R.L. |
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