CN109217009B - A kind of interface unit - Google Patents
A kind of interface unit Download PDFInfo
- Publication number
- CN109217009B CN109217009B CN201710516834.1A CN201710516834A CN109217009B CN 109217009 B CN109217009 B CN 109217009B CN 201710516834 A CN201710516834 A CN 201710516834A CN 109217009 B CN109217009 B CN 109217009B
- Authority
- CN
- China
- Prior art keywords
- hole
- switching
- contact piece
- contact
- sealing
- 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.)
- Active
Links
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
- H01R13/5202—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
- H01R13/521—Sealing between contact members and housing, e.g. sealing insert
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention relates to a connector, which comprises a connector shell, wherein a front switching hole part and a rear switching needle part which are correspondingly inserted are arranged in the connector shell, the front switching hole part comprises an outer switching hole sleeve, a switching hole contact is fixedly arranged in the outer switching hole sleeve through a front side central insulator, the rear switching needle part comprises an outer switching needle sleeve, a switching needle contact is fixedly arranged in the outer switching needle sleeve through a rear side central insulator, a contact sealing gasket is arranged between the front side central insulator and the rear side central insulator in a pressing mode, the corresponding side face of the contact sealing gasket is extruded with the front side central insulator and the rear side central insulator to form end face sealing, a contact perforation through which the switching hole contact or the switching needle contact passes is arranged on the contact sealing gasket, and the contact perforation is in sealing fit with the corresponding contact. The front and rear central insulators press the contact sealing gaskets to realize effective sealing of the switching hole contact and the switching part of the switching pin contact, and water seepage into the connector through the switching hole contact is prevented.
Description
Technical Field
The present invention relates to a connector.
Background
When the sealing connector is designed, an O-ring structure is usually adopted to realize sealing, and O-rings are designed between the shell and the shell, between the shell and the insulator, and between the insulator and the low-frequency hole to seal a fit clearance. When a sealed connector needs to transmit high-speed signals, a high-speed four-core differential contact is usually used, and because the structural size of the differential contact is limited, an O-shaped sealing ring cannot be used for sealing between a central hole and an insulator; because beryllium copper alloy or tin bronze alloy is usually adopted as the material of the outer hole and the central hole, the sealing structure is not matched with the glass sealing process, and the glass sealing structure cannot be used. The connector disclosed in the chinese invention patent application with application publication No. CN105375159A comprises a housing and a contact member fixed therein by an insulator, wherein the contact member comprises a front transition hole member and a rear transition needle member, the transition hole member has an outer transition hole sleeve, a transition hole insulator is provided in the outer transition hole sleeve, the front insulator has a mounting hole for fixing a plug-in jack contact member, the transition hole insulator wraps the front insulator and the rear insulator which are arranged in a front-rear pressing manner in sequence, the transition needle member has an outer transition needle sleeve, the outer transition needle sleeve fixedly mounts a plug-in pin contact member through the transition needle insulator, the rear insulator is provided with a through hole for the plug-in pin contact member to pass through to be correspondingly plugged in with the plug-in jack contact member, and, and a ring cavity for the front end of the outer adapter sleeve of the adapter part to be inserted is formed between the central insulator at the rear side and the outer adapter sleeve, and a corresponding sealing ring is arranged outside the outer adapter sleeve. In the above connector, the socket member is usually mounted after the pin is sintered, and the sealing and isolation from the cable connection or mounting portion is achieved, but there are problems: the junction of the switch hole component and the adapter pin component is not sealed, and when the connector end surface provided with the switch hole component is exposed to water, water in the switch hole component can enter the interior of the switch structure and is difficult to discharge, so that the whole connector fails.
Disclosure of Invention
The invention aims to provide a connector, which aims to solve the technical problem that in the prior art, the connection part of a connection hole part and an adapter pin part is not sealed, so that water entering through the adapter hole part can permeate into the connector and is difficult to discharge.
In order to achieve the purpose, the technical scheme of the connector provided by the invention is as follows: a connector comprises a connector shell, wherein a front adapter hole part and a rear adapter pin part which are correspondingly inserted are arranged in the connector shell, the front adapter hole part comprises an outer adapter hole sleeve, an adapter hole contact piece is fixedly arranged in the outer adapter hole sleeve through a front side central insulator, the rear adapter pin part comprises an outer adapter pin sleeve, an adapter pin contact piece is fixedly arranged in the outer adapter pin sleeve through a rear side central insulator, a contact piece sealing pad is arranged between the front side central insulator and the rear side central insulator in a pressing mode, the corresponding side face of the contact piece sealing pad is extruded with the front side central insulator and the rear side central insulator to form end face sealing, a contact piece penetrating hole for the adapter hole contact piece or the adapter pin contact piece to penetrate through is arranged on the contact piece sealing pad, and the contact piece penetrating.
An inserting ring cavity is formed between the rear part of the front side center insulator and the outer adapter sleeve, the front end of the outer adapter sleeve is correspondingly inserted into the inserting ring cavity, and the contact piece sealing gasket is positioned in the outer adapter sleeve and is in sealing fit with the inner peripheral surface of the outer adapter sleeve.
The front side center insulator is provided with a contact piece mounting hole for mounting a corresponding transfer hole contact piece, the rear end of the contact piece mounting hole is provided with a stepped hole section with a backward stepped surface, a contact piece sheath correspondingly sleeved on the corresponding transfer hole contact piece is arranged in the stepped hole section, the front end of the contact piece sheath is in top pressing fit with the stepped surface of the stepped hole section, and the rear end of the contact piece sheath extending to the rear side of the corresponding transfer hole contact piece is extruded with the contact piece sealing gasket to form end face sealing fit.
The outer peripheral surface of the rear end of the switching hole contact piece is provided with a step structure with a step surface facing backwards, and the front end of the contact piece sheath is matched with the step surface of the step structure in a pushing mode.
And an annular inward-turned edge is arranged at the rear port of the contact piece sheath, and the annular inward-turned edge forms an inner through hole for the corresponding transfer needle contact piece to pass through.
And the inner peripheral surface of the rear end of the outer adapter sleeve of the front adapter part is provided with a crown band in a front-back limiting manner, and the elastic hoop of the crown band is sleeved on the front end of the outer adapter sleeve inserted into the plug-in ring cavity.
The rear adapter needle component is fixedly arranged in the connector shell through a rear-side outer insulator, the connector shell is provided with an adapter hole unit mounting hole at the front end, an adapter hole unit is hermetically assembled in the adapter hole unit mounting hole and comprises a front-side outer insulator, a mounting hole is formed in the front-side outer insulator to arrange the front adapter hole component, an outer sealing pad is arranged in the adapter hole unit mounting hole at the rear of the adapter hole unit in an extrusion mode, the outer sealing pad is in sealing fit with the peripheral face of the adapter hole unit mounting hole, and the outer sealing pad is in sealing fit with the rear end of the adapter hole unit in an extrusion mode.
The transfer hole unit mounting hole is a stepped hole with a forward stepped surface, and the outer side sealing gasket is of a stepped structure with a backward stepped surface and is correspondingly matched and spliced with the stepped hole.
And at least one circumferential sealing ring which is in sealing fit with the corresponding mounting hole is arranged on the outer peripheral surface of the outer adapter hole sleeve of the front adapter hole part.
The rear end of the outer adapter hole sleeve of the front adapter hole part is in sealing fit with the end face of the outer side sealing gasket.
And the contact piece sealing element and the outer side sealing gasket are both sealing rubber gaskets.
The invention has the beneficial effects that: in the connector provided by the invention, the front connection hole part is inserted and connected with the rear adapter pin part to realize signal conduction, the front connection hole part is inserted and connected with the rear adapter pin part, the contact sealing gasket is extruded by the front central insulator and the rear central insulator, and the effective sealing of the connection part of the connection hole contact and the adapter pin contact is realized, so that water entering through the connection hole part is effectively prevented from permeating into the connector, and the sealing effect is improved.
Furthermore, the outer side sealing gasket is extruded by the adapter hole unit, so that the integral sealing of the mounting hole part of the adapter hole unit is realized, and the sealing effect can be further improved.
Drawings
FIG. 1 is a schematic diagram of a connector according to an embodiment of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1 to 2, the connector of this embodiment includes a connector housing 5, the connector housing 5 has a front end at a plugging end thereof, a sealing cap 1 is sleeved at the front end of the connector housing 5, the sealing cap 1 is fastened and assembled to the connector housing 5 by a connection nut 2, and a first sealing ring 4 is provided on an outer circumferential surface of the connector housing 5 to be in sealing engagement with the sealing cap 1.
A front adapter part and a rear adapter part which are correspondingly inserted are arranged in the connector housing 5. The front end of connector housing is equipped with switching hole unit mounting hole, and the sealed switching hole unit that is equipped with in the switching hole unit mounting hole, switching hole unit specifically includes front side outer insulator 11, is equipped with second sealing washer 15 on the outer periphery of front side outer insulator 11 in order to cooperate with switching hole unit mounting hole is sealed.
The front side outer insulator 11 is provided with a front-back through mounting hole, a front switching hole part is inserted into the mounting hole from back to front in a sealing manner, the front switching hole part specifically comprises an outer switching hole sleeve 14 extending along the front-back direction, a switching hole contact element 12 is fixedly arranged in the outer switching hole sleeve 14 through a front side center insulator 13, specifically, the front side center insulator 13 is provided with a contact element mounting hole fixedly provided with a corresponding switching hole contact element, the rear end of the contact element mounting hole is provided with a stepped hole section with a stepped surface facing back, a contact element sheath 16 correspondingly sleeved on the corresponding switching hole contact element is arranged in the stepped hole section, the front end of the contact element sheath 16 is in abutting fit with the stepped surface of the stepped hole section, and the rear end of the contact element sheath 16 extends to the back of the corresponding switching hole contact element so as to be conveniently in abutting fit with a contact element sealing gasket 20 at.
In fact, the outer peripheral surface of the rear end of the transition hole contact 12 is provided with a step structure with a step surface facing backward, and the front end of the contact sheath 16 is in pushing fit with the step surface of the step structure, so as to facilitate the transition hole contact to apply acting force to the contact gasket 20 through the contact sheath.
For the front socket member, three peripheral surface packing rings 18 are fitted on the outer peripheral surface of the outer socket 14 at intervals in the front-rear direction to seal the front socket member and the front outer insulator 11.
In this embodiment, the structure of the via contact 12 is the same as that of the via contact in the prior art, and is not described herein again.
A switching needle mounting hole is formed in the connector housing 5 behind the front switching hole unit, a rear switching needle part is fixedly sealed in the switching needle mounting hole through a rear side outer insulator 9, the rear switching needle part specifically comprises an outer switching needle sleeve 6, a switching needle contact 7 is fixedly arranged in the outer switching needle sleeve 6 through a rear side central insulator 8, and the front end of the switching needle contact 7 is in corresponding conductive insertion with the rear end jack section of the corresponding switching hole contact 12.
In fact, a plug ring cavity is formed between the rear part of the front side central insulator 13 and the outer adapter sleeve 14, and the front end of the outer adapter sleeve 6 is correspondingly inserted into the plug ring cavity. And, the inner peripheral surface of rear end of the outer adapter sleeve 14 is equipped with the spacing recess, the spacing is equipped with the crown band 17 in the spacing recess front and back, the crown band 17 elastic hoop cover is on the front end of the inserting plug-in ring cavity of the outer adapter sleeve 6. The structure of the cap band is the same as the cap band structure commonly used in the prior electric connector, and the description is omitted here.
The contact piece sealing gasket 20 is arranged between the front side central insulator and the rear side central insulator in the outer adapter sleeve 6 in a pressing mode, the contact piece sealing gasket 20 is specifically a sealing rubber gasket, the corresponding side face of the contact piece sealing gasket 20 is extruded with the front side central insulator and the rear side central insulator to form end face sealing, a contact piece through hole for the adapter needle contact piece to penetrate through is formed in the contact piece sealing gasket 20, and the contact piece through hole is in sealing fit with the corresponding adapter needle contact piece 7 which penetrates through.
In practice, when the transfer port contact 12 is plugged into the transfer pin contact 7, the transfer port contact 12 applies a pressing force to the contact seal 20 via the transfer port boot 16, and the rear end of the contact boot 16 extending to the rear of the corresponding transfer port contact presses against the contact seal 20 to form an end face seal fit.
In this embodiment, an annular inward-turned edge is provided at the rear port of the contact sheath 16, and the annular inward-turned edge forms an inner through hole for the corresponding adapting needle contact to pass through, so as to conveniently guide the corresponding inserting assembly of the adapting needle contact 7 and the adapting hole contact.
In this embodiment, not only before switching hole part and after switching needle part set up corresponding sealed pad that can extrude sealed, in switching hole unit mounting hole behind the switching hole unit extrusion be equipped with outside sealed pad 3, outside sealed pad 3 also is sealed cushion, outside sealed pad 3 with the peripheral face seal fit of switching hole unit mounting hole, outside sealed pad 3 with the rear end extrusion of switching hole unit form the terminal surface seal fit.
Specifically, the adapting hole unit mounting hole is a stepped hole with a forward stepped surface, and the outer side sealing gasket 3 is a stepped structure which is provided with a backward stepped surface and is correspondingly matched and spliced with the stepped hole. For the transfer hole unit, not only the rear end of the front side outer insulator is in sealing fit with the end face of the outer side sealing gasket, but also the rear end of the outer transfer hole sleeve of the front transfer hole member is in sealing fit with the end face of the outer side sealing gasket.
In the connector provided by this embodiment, the front adapter part and the rear adapter part are inserted and connected to realize signal conduction. On the premise of not changing the integral structural form of the connector, the switching hole unit is installed, the effective sealing of the switching part of the switching hole contact and the switching pin contact is realized by utilizing the front central insulator and the pressing contact sealing gasket of the contact sheath and the rear central insulator, and the integral sealing of the mounting hole part of the switching unit is realized by utilizing the front outer insulator and the outer sleeve to press the outer sealing gasket. The connector provided by the embodiment utilizes the switching hole unit arranged in the mounting hole of the switching hole unit to press the contact piece sealing gasket and the outer side sealing gasket, so that the inside of the whole connector is sealed. Even if the outer end of the switching hole contact element has the water leakage problem, the water cannot seep into the connector, and the connector can be effectively protected.
In this embodiment, not only the contact gasket is disposed in the outer adapter sleeve, but also the outer gasket is disposed outside the outer adapter sleeve. In other embodiments, the outer gasket may be omitted if there is a reliable seal between the outer adapter sleeve and the adapter unit mounting hole and a reliable seal between the outer adapter sleeve and the adapter pin mounting hole.
In this embodiment, the contact sheath is configured to better protect the transition hole contact to prevent the transition hole contact from pressing the contact gasket. In this embodiment, the contact sealing gasket and the outer side sealing gasket are both sealing rubber gaskets, and in other embodiments, the sealing gaskets may also adopt other sealing structures capable of deforming under pressure to realize sealing.
In this embodiment, the contact gasket is provided with a contact through hole for the contact of the transfer pin to pass through. In other embodiments, the contact sealing gasket may also be provided with a contact perforation for passing through the transition hole contact, and the transition hole contact is correspondingly and hermetically matched with the contact sealing gasket.
The sealing mode provided in the embodiment is suitable for being applied to the outer adapter hole sleeve and the adapter hole contact piece which are both beryllium copper alloy or tin bronze alloy, and the alloys are not matched with the glass sealing process and cannot be used for sealing a glass sealing structure. Of course, the connector can be applied to other connectors with the switching structure according to actual needs.
Claims (7)
1. The utility model provides a connector, includes the connector housing, is equipped with preceding switching hole part and the back switching needle part that corresponds the grafting in the connector housing, and preceding switching hole part includes outer switching hole cover, is provided with the switching hole contact through the central insulator of front side is fixed in the outer switching hole cover, and back switching needle part includes outer switching needle cover, is provided with the switching needle contact through the central insulator of rear side is fixed in the outer switching needle cover, its characterized in that: a contact piece sealing gasket is arranged between the front side central insulator and the rear side central insulator in a pressing mode, the corresponding side face of the contact piece sealing gasket is extruded with the front side central insulator and the rear side central insulator to form end face sealing, a contact piece penetrating hole for the transit hole contact piece or the transit pin contact piece to penetrate is arranged on the contact piece sealing gasket and is in sealing fit with the corresponding penetrating contact piece, a plug-in ring cavity is formed between the rear part of the front side central insulator and the outer transit hole sleeve, the front end of the outer transit needle sleeve is correspondingly inserted in the plug-in ring cavity, the contact piece sealing gasket is positioned in the outer transit needle sleeve and is in sealing fit with the inner peripheral surface of the outer transit needle sleeve, the rear transit needle part is fixedly arranged in the connector shell through the rear side outer insulator, a transit hole unit mounting hole is formed in the front end of the connector shell, a transit hole unit is arranged in the transit, the front side outer insulating part is provided with a mounting hole for arranging the front switching hole component, an outer side sealing gasket is assembled in the switching hole unit mounting hole behind the switching hole unit in an extrusion mode, the outer side sealing gasket is in sealing fit with the peripheral surface of the switching hole unit mounting hole, the outer side sealing gasket is in sealing fit with the rear end of the switching hole unit in an extrusion mode, the switching hole unit mounting hole is a stepped hole with a forward stepped surface, the outer side sealing gasket is of a stepped structure with a backward stepped surface and is correspondingly matched and spliced with the stepped hole, the rear end of an outer switching hole sleeve of the front switching hole component is in sealing fit with the end surface of the outer side sealing gasket, and the outer side sealing gasket is arranged outside the outer switching needle sleeve.
2. The connector of claim 1, wherein: the front side center insulator is provided with a contact piece mounting hole for mounting a corresponding transfer hole contact piece, the rear end of the contact piece mounting hole is provided with a stepped hole section with a backward stepped surface, a contact piece sheath correspondingly sleeved on the corresponding transfer hole contact piece is arranged in the stepped hole section, the front end of the contact piece sheath is in top pressing fit with the stepped surface of the stepped hole section, and the rear end of the contact piece sheath extending to the rear side of the corresponding transfer hole contact piece is extruded with the contact piece sealing gasket to form end face sealing fit.
3. The connector of claim 2, wherein: the outer peripheral surface of the rear end of the switching hole contact piece is provided with a step structure with a step surface facing backwards, and the front end of the contact piece sheath is matched with the step surface of the step structure in a pushing mode.
4. The connector of claim 2, wherein: and an annular inward-turned edge is arranged at the rear port of the contact piece sheath, and the annular inward-turned edge forms an inner through hole for the corresponding transfer needle contact piece to pass through.
5. The connector of claim 1, wherein: and the inner peripheral surface of the rear end of the outer adapter sleeve of the front adapter part is provided with a crown band in a front-back limiting manner, and the elastic hoop of the crown band is sleeved on the front end of the outer adapter sleeve inserted into the plug-in ring cavity.
6. The connector according to any one of claims 1 to 5, wherein: and at least one circumferential sealing ring which is in sealing fit with the corresponding mounting hole is arranged on the outer peripheral surface of the outer adapter hole sleeve of the front adapter hole part.
7. The connector according to any one of claims 1 to 5, wherein: and the contact sealing gasket and the outer side sealing gasket are both sealing rubber gaskets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710516834.1A CN109217009B (en) | 2017-06-29 | 2017-06-29 | A kind of interface unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710516834.1A CN109217009B (en) | 2017-06-29 | 2017-06-29 | A kind of interface unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109217009A CN109217009A (en) | 2019-01-15 |
| CN109217009B true CN109217009B (en) | 2020-10-30 |
Family
ID=64976642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710516834.1A Active CN109217009B (en) | 2017-06-29 | 2017-06-29 | A kind of interface unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109217009B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202205958U (en) * | 2011-04-21 | 2012-04-25 | 中航光电科技股份有限公司 | Sealed connector |
| CN203660163U (en) * | 2013-12-30 | 2014-06-18 | 临沂市龙立电子有限公司 | Pole-mounted switch controller open circuit-prevention circular connector |
| KR101546318B1 (en) * | 2015-03-04 | 2015-08-24 | 주식회사 엘포스텍 | Connector for Connecting Device and the Method for Manufacturing the Connector |
| CN204927659U (en) * | 2015-09-01 | 2015-12-30 | 珩星电子（连云港）股份有限公司 | A circular electric connector |
| CN205051047U (en) * | 2015-09-15 | 2016-02-24 | 沈阳兴华航空电器有限责任公司 | Subminiature arc key is inserted and is closed electric connector |
| CN105375159A (en) * | 2015-07-31 | 2016-03-02 | 中航光电科技股份有限公司 | Connector and contact component thereof |
-
2017
- 2017-06-29 CN CN201710516834.1A patent/CN109217009B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202205958U (en) * | 2011-04-21 | 2012-04-25 | 中航光电科技股份有限公司 | Sealed connector |
| CN203660163U (en) * | 2013-12-30 | 2014-06-18 | 临沂市龙立电子有限公司 | Pole-mounted switch controller open circuit-prevention circular connector |
| KR101546318B1 (en) * | 2015-03-04 | 2015-08-24 | 주식회사 엘포스텍 | Connector for Connecting Device and the Method for Manufacturing the Connector |
| CN105375159A (en) * | 2015-07-31 | 2016-03-02 | 中航光电科技股份有限公司 | Connector and contact component thereof |
| CN204927659U (en) * | 2015-09-01 | 2015-12-30 | 珩星电子（连云港）股份有限公司 | A circular electric connector |
| CN205051047U (en) * | 2015-09-15 | 2016-02-24 | 沈阳兴华航空电器有限责任公司 | Subminiature arc key is inserted and is closed electric connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109217009A (en) | 2019-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2693574B1 (en) | Shield connector | |
| CN201498753U (en) | Direct push-pull watertight connector component and plug and socket thereof | |
| CN101615748A (en) | Straight cutting pulls out water-sealed connector component and plug and socket thereof | |
| CN2927387Y (en) | Direct-connected circular electric connector | |
| CN104904071A (en) | Automobile charging plug | |
| CN109361106B (en) | Male head with plastic shell waterproof connector and waterproof connector with plastic shell | |
| WO2024153258A1 (en) | Electrical connector sealing structure, electrical connector, and electrical connector assembly | |
| CN109217009B (en) | A kind of interface unit | |
| CN108683017B (en) | Compact connector structure | |
| CN210926478U (en) | Linear type waterproof antenna joint for router | |
| CN201413919Y (en) | Difference contact couple and difference connector | |
| CN109193245B (en) | Anti-dragging connecting assembly used under water | |
| CN103227383A (en) | Watertight connector | |
| CN104167633B (en) | A kind of high voltage withstanding electric connector | |
| CN111009778B (en) | Connector shielding sealing structure | |
| CN214849263U (en) | Underwater electric connector | |
| CN210723510U (en) | L-shaped waterproof antenna joint for router | |
| CN210015821U (en) | High-sensitivity hydraulic switch connector | |
| CN101984525B (en) | Short-circuit proof connector | |
| CN210404174U (en) | Waterproof connector | |
| CN214849265U (en) | Single-seat sealing high-pressure interlocking connector | |
| CN202474397U (en) | Underwater anti-pressure hermetically-sealed connector | |
| KR101790602B1 (en) | Cable assembly | |
| CN216251313U (en) | Plug assembly | |
| CN215070609U (en) | Electrical connection self-sealing plug for tractor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |