CN104332757B - Waterproof electrical connector and wire sealing body thereof - Google Patents
Waterproof electrical connector and wire sealing body thereof Download PDFInfo
- Publication number
- CN104332757B CN104332757B CN201410399229.7A CN201410399229A CN104332757B CN 104332757 B CN104332757 B CN 104332757B CN 201410399229 A CN201410399229 A CN 201410399229A CN 104332757 B CN104332757 B CN 104332757B
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- grommet
- electrical connector
- waterproof electrical
- shirt rim
- 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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
-
- 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
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
-
- 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
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
- H01R13/5221—Sealing means between coupling parts, e.g. interfacial seal having cable sealing means
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention relates to a waterproof electrical connector and a wire sealing body thereof. The waterproof electrical connector includes a connector casing whose front end is a plug-in end and the wire sealing body made of a flexible material. The wire sealing body includes a main body and a flange skirt arranged at the periphery of the main body in a surrounding manner. The rear side of the flange skirt is provided with a first pressure plate in a pressing manner and the first pressure plate is fixed on the connector casing through fastening screws. The flange skirt is provided with a front end face which is in sticking seal fit with an inner-hole rear-end orifice edge of the connector casing. The invention provides a waterproof electrical connector which is low in manufacturing difficulty of the sealing body and capable of reducing the axial length of the connector casing and a wire sealing body used in the waterproof electrical connector.
Description
Technical field
The present invention relates to the waterproof electrical connector and its grommet in field of connectors.
Background technology
" the electrical connection of afterbody water proof and dust proof as disclosed in Chinese patent CN202534858U of existing waterproof electrical connector
Device ", the electric connector include front end be inserted terminal connector shell, connector shell be rounded cylindrical structure, connector case
The insulator equipped with contact is provided with the endoporus of body, the rear end of insulator is provided with grommet in connector shell, seal
Wire body is fabricated from a flexible material, and grommet includes the body for being provided with wire mounting hole, is convexly equipped with and connects on the outer peripheral face of body
The inner hole wall sealing fitted seal ring of device housing is connect, wire mounting hole is installed for respective wire interference, and the rear end of grommet is arranged
The rear end for having bushing, connector shell is installed with the pressure cap for top pressure bushing.During use, wire by grommet through it is rear with connect
Contact element is connected, and the sealing ring on grommet coordinates to prevent water by grommet and adapter with the inner hole wall sealing of connector shell
Adapter is entered between housing, pressure cap is screwed, and pressure cap compresses grommet by bushing during moving forward, and grommet is in quilt
Radial and axial deformation is produced in fixed process, so as to improve the effect of the sealing between grommet and housing and grommet and wire
Really.The problem that existing this waterproof electrical connector is present is being：Grommet passes through sealing ring and the company arranged on its side face
Device housing seal cooperation is connect, the setting of sealing ring not only increases the making precision and manufacture difficulty of grommet, while sealing ring
Setting can also increase the axial length of connector shell, cause the adapter can not be in some occasions to axial limited space
Used in；As sealing ring can not play a part of to fix grommet, so pressure cap of the spinning on connector shell is one
The individual necessary part for realizing that grommet is fixed, while being arranged on increase connector construction complexity of pressure cap, can also be further
Increase adapter axial length, in addition grommet fixed using pressure cap and also limit the grommet and only can be suitably used for circular connection
Device, and rectangular connector is not applied for, versatility is not strong.
The content of the invention
It is an object of the invention to provide a kind of grommet manufacture difficulty is low and can reduce connector shell axial length
Waterproof electrical connector；The present invention also aims to provide the grommet used in a kind of waterproof electrical connector.
In order to solve the above problems, in the present invention, the technical scheme of waterproof electrical connector is：
A kind of waterproof electrical connector, is the connector shell of inserted terminal and the envelope line being fabricated from a flexible material including front end
Body, grommet include body, and grommet also includes the flange shirt rim for being located on the body periphery, and the rear side pressure of flange shirt rim sets
Have the first pressing plate, the first pressing plate is fixed on the connector shell by trip bolt, flange shirt rim with the connection
The front end face that the endoporus rear hole opening's edge of device housing coordinates to patch sealing.
Trip bolt is arranged on first pressing plate and flange shirt rim.
The flexible material is rubber.
The insulator equipped with contact, the rear end of insulator is provided with the endoporus of connector shell on front side of grommet
Detent is provided with, the leading section of body protrudes from flange shirt rim and forms the positioning convex portion with detent location fit.
The rearward end of the body is located at the rear side of the first pressing plate, on the connector shell by axis along the longitudinal direction
The adjusting screw of extension is fixed with the second pressing plate be arrangeding in parallel with the first pressing plate, and the front end of the second pressing plate has for the body
Rearward end coincide the draw-in groove of loading, the bottom land of draw-in groove is offered bores a hole for the pressing plate that the wire is passed through.
The regulation gap having between second pressing plate and connector shell on fore-and-aft direction.
In the present invention, the technical scheme of grommet is：
A kind of grommet of waterproof electrical connector, including for being arranged at the body of connector shell rear end, grommet is also
Including the flange shirt rim for being located on the body periphery, flange shirt rim is with for the endoporus rear hole with the connector shell
Opening's edge to patch sealing coordinate front end face, flange shirt rim with for flange shirt rim on rear side of the first pressing plate press-fit after
End face.
During the body has the draw-in groove loaded for coincideing on corresponding second pressing plate on rear side of first pressing plate
Rearward end.
The leading section of the body is protruded from flange shirt rim and is formed for being positioned with the detent on corresponding insulator
The positioning convex portion of cooperation.
Beneficial effects of the present invention are：The flange shirt rim of annular is set in the body periphery of grommet, by the first pressing plate
The front end face of flange shirt rim is made to coordinate to patch sealing with the endoporus rear hole opening's edge of connector shell, so as to prevent water by grommet
Adapter is entered between connector shell, that is to say, that grommet and connector shell adopt end face seal, and flange shirt rim
Making required precision it is low, therefore reduce the manufacture difficulty of grommet, it is even more important that flange shirt rim is not required to and adapter
The inner hole wall of housing coordinates, therefore the axial product degree of connector shell suitably can reduce, and adapter is applied to
Used in the conditional occasion of axial space.
Further, the rearward end of body is coincide in the draw-in groove for loading the second pressing plate front end, reduces the by adjusting screw
Longitudinal separation between two pressing plates and connector shell, wears the second pressing plate mobile and extrusion body forward, the wire on body
Dress hole produces radial deformation and produces better seal effect with wire, and the form that presses in this is not limited to the species of adapter, even
It can be cylindrical connector, or rectangular connector to connect device.
Description of the drawings
Fig. 1 is the use state figure of one embodiment of waterproof electrical connector in the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the left view of Fig. 1；
Fig. 4 is that the cooperation in Fig. 1 between insulator, grommet, connector shell, the first pressing plate and the second pressing plate is illustrated
Figure；
Fig. 5 is enlarged drawing at A in Fig. 4；
Fig. 6 is insulator in Fig. 4, the cooperation schematic diagram between grommet, connector shell and the first pressing plate；
Fig. 7 is the structural representation of grommet in Fig. 1, while and in the present invention one embodiment of grommet structure
Schematic diagram；
Fig. 8 is the top view of Fig. 7.
Specific embodiment
The enforcement of waterproof electrical connector is for example shown in Fig. 1 ~ 8：Including the connector shell 4 that front end is inserted terminal, adapter
The insulator 7 equipped with contact 9 is provided with the endoporus of housing, is provided with from front to back gradually towards away from contact on contact
The positioning reed 8 that direction overhangs, insulator include the front insulator portion 71 and rear insulator portion 72 of before and after's split setting, fixed
On rear insulator portion, such setting structure can facilitate the dismounting and change of contact to the rear end block of position reed 8.Insulation
It is provided with rear side of body and is fabricated from a flexible material grommet 5, grommet is made up of elastomeric material in the present embodiment, grommet includes
The body 51 for being provided with wire mounting hole 13 and the flange shirt rim 52 for being located on body periphery, flange shirt rim 52 and body one into
Type, the leading section of body protrude from flange shirt rim and form positioning convex portion, and the rear end of rear insulator portion is provided with and convex
The detent of portion's location fit, along coordinating with the sealing of flange shirt rim, the setting of positioning convex portion is facilitated the notch of detent
The installation positioning of grommet.The rear side pressure of flange shirt rim is provided with the first pressing plate 6, and the first pressing plate is shaped as and flange shirt rim shape
Consistent annular, the first pressing plate 6 are fixed in the mounting groove of connector shell rear end by trip bolt 12,12 edge of trip bolt
Fore-and-aft direction is arranged on the first pressing plate 6 and flange shirt rim 52, and flange shirt rim is with the endoporus rear end aperture with connector shell
Along the front end face coordinated to patch sealing, flange shirt rim is with the rear end face with the first pressing plate press-fit.The rear end position of body
In the rear side of the first pressing plate 6, it is fixed with and the first pressure by the adjusting screw 3 that axis extends along the longitudinal direction on connector shell
The second pressing plate 2 that plate 6 be arranged in parallel, the front end of the second pressing plate 2 have the draw-in groove 11 for supplying the rearward end of body to coincide loading, draw-in groove
11 bottom land is offered bores a hole for the pressing plate that wire is passed through, the tune having between the second pressing plate and connector shell on fore-and-aft direction
Internode gap 10.
Contact in this waterproof electrical connector can be carried out loading, be taken out using the holding tool that takes of adaptation so that adapter
With good maintainability；When line is made, contact rear end is crimped with wire 1 and is electrically connected, after contact is encased on insulator,
Grommet, the first pressing plate and the second pressing plate are installed and makees line, do line process simple and convenient；The front end face of flange shirt rim
Coordinate to prevent water by entering adapter between grommet and connector shell, insulator with housing and insulator seal is connected；
On body, wire mounting hole and wire interference fit be so as to prevent water by entering adapter between grommet and wire, through the
After two pressing plates pressure, the waterproof effect between grommet and wire more preferably, can reach the waterproof requirement of greater degree.
In other embodiments of the invention：Trip bolt can not also be arranged on flange shirt rim, such as fastening spiral shell
Nail is only arranged on the first pressing plate and connector shell, the first pressing plate flange shirt rim is pressed make the front end face of flange shirt rim with
Connector shell and insulator seal coordinate；The leading section of body can also be without protruding from flange shirt rim；The front end of flange shirt rim
Face can not also be coordinated with the sealing of rear insulator portion；Grommet can be being made up of flexiplast；When adapter is used for waterproof
When in junior use environment, the matching relationship that body is not required to deform between wire mounting hole and wire has just met anti-
Water requires that now the second pressing plate can not set, and the rearward end of body can be with non-bulging in the first pressing plate, now connector shell
It is less that axial length can do.
The enforcement of grommet is for example shown in Fig. 7 ~ 8：The concrete structure of grommet and above-mentioned each waterproof electrical connector embodiment
Described in grommet it is identical, will not be described in detail herein.
Claims (5)
1. a kind of waterproof electrical connector, is the connector shell of inserted terminal and the grommet being fabricated from a flexible material including front end,
Grommet includes body, it is characterised in that：Grommet also includes the flange shirt rim for being located on the body periphery, flange shirt rim
Rear side pressure be provided with the first pressing plate, the first pressing plate is fixed on the connector shell by trip bolt, flange shirt rim with
The front end face that the endoporus rear hole opening's edge of the connector shell coordinates to patch sealing, the rearward end of the body is positioned at the first pressure
The rear side of plate, is fixed with by the adjusting screw that axis extends along the longitudinal direction on the connector shell parallel with the first pressing plate
The second pressing plate for arranging, the front end of the second pressing plate have the draw-in groove for supplying the rearward end of the body to coincide loading, the bottom land of draw-in groove
Offer and bore a hole for the pressing plate that wire is passed through.
2. waterproof electrical connector according to claim 1, it is characterised in that：Trip bolt be arranged in first pressing plate and
On flange shirt rim.
3. waterproof electrical connector according to claim 1, it is characterised in that：The flexible material is rubber.
4. waterproof electrical connector according to claim 1, it is characterised in that：In grommet in the endoporus of connector shell
Front side is provided with the insulator equipped with contact, and the rear end of insulator is provided with detent, and the leading section of body protrudes from method
Blue shirt rim and form the positioning convex portion with detent location fit.
5. waterproof electrical connector according to claim 1, it is characterised in that：Between second pressing plate and connector shell
With the regulation gap on fore-and-aft direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410399229.7A CN104332757B (en) | 2014-08-14 | 2014-08-14 | Waterproof electrical connector and wire sealing body thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410399229.7A CN104332757B (en) | 2014-08-14 | 2014-08-14 | Waterproof electrical connector and wire sealing body thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104332757A CN104332757A (en) | 2015-02-04 |
| CN104332757B true CN104332757B (en) | 2017-03-22 |
Family
ID=52407440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410399229.7A Active CN104332757B (en) | 2014-08-14 | 2014-08-14 | Waterproof electrical connector and wire sealing body thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104332757B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202068014U (en) * | 2011-01-30 | 2011-12-07 | 中航光电科技股份有限公司 | Water-proof connector |
| CN202454827U (en) * | 2011-11-19 | 2012-09-26 | 中航光电科技股份有限公司 | Shielding connector assembly and plug thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05266941A (en) * | 1992-03-19 | 1993-10-15 | Amp Japan Ltd | Waterproof connector |
| US5820401A (en) * | 1996-03-29 | 1998-10-13 | The Whitaker Corporation | Wire guide assembly for use with an electrical connector having a jack screw |
| CN100563063C (en) * | 2005-04-11 | 2009-11-25 | Fci公司 | Be used for the improvement ring type joint of electric connector and comprise the electric connector of this joint |
| CN102522664B (en) * | 2011-11-19 | 2015-04-08 | 中航光电科技股份有限公司 | Shielded connector component and plug thereof |
| CN202534858U (en) * | 2012-02-23 | 2012-11-14 | 中航光电科技股份有限公司 | Electric connector with waterproof and dustproof tail portion |
-
2014
- 2014-08-14 CN CN201410399229.7A patent/CN104332757B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202068014U (en) * | 2011-01-30 | 2011-12-07 | 中航光电科技股份有限公司 | Water-proof connector |
| CN202454827U (en) * | 2011-11-19 | 2012-09-26 | 中航光电科技股份有限公司 | Shielding connector assembly and plug thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104332757A (en) | 2015-02-04 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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