CN106654710B - A kind of connector assembly and its connector - Google Patents
A kind of connector assembly and its connector Download PDFInfo
- Publication number
- CN106654710B CN106654710B CN201611022022.3A CN201611022022A CN106654710B CN 106654710 B CN106654710 B CN 106654710B CN 201611022022 A CN201611022022 A CN 201611022022A CN 106654710 B CN106654710 B CN 106654710B
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- China
- Prior art keywords
- locking button
- ended
- hammerlock
- tight locking
- tight
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- 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
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- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
- H01R13/6275—Latching arms not integral with the housing
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The present invention relates to a kind of connector assembly and its connectors, connector assembly includes plug and socket, plug includes plug casing, socket includes Socket casing, a single-ended tight locking button and single-ended secondary locking button are provided on one of shell, the hammerlock that front end is projecting end is provided on another shell, a single-ended tight locking button, the space that there is the projecting end for hammerlock to pass through between single-ended secondary locking button along the longitudinal direction, it is provided on the projecting end of hammerlock for being adapted to the tight locking button of end one time with what the single-ended tight locking button locking cooperated when projecting end is swung towards a single-ended tight locking button, the projecting end of hammerlock is additionally provided with for being adapted to end secondary locking button with single-ended secondary locking padlock tight fit with after tight locking button unlock of adaptation end and in the opposite moving process backwards of hammerlock in a single-ended tight locking button.The present invention solves the problems, such as that primary unlock in the prior art, the operating member of secondary unlocking are inconsistent and cause unlocking process complicated.
Description
Technical field
The present invention relates to the connector assemblies and its connector in field of signal transmissions.
Background technique
Connector assembly generally consists of a plug and a socket, and plug, socket are properly termed as connector, and plug and socket is inserted
Connector assembly could be run after conjunction, for the anticreep after plug, socket grafting, plug, socket need by retaining mechanism into
Row locking.
Traditional retaining mechanism is general only once to lock, and this kind of retaining mechanism has largely used in the connectors.?
In other special industries such as new-energy automobile, both there is signal contacting piece, it may have power contact part, this kind of connection in connector
Device requires high-voltage interlocking function, it is desirable that connector can make signal part " rear contact first disconnects ", i.e., plug together in plug, socket
When, it is desirable that after the contact of power contact part, signal contacting piece could be contacted, in plug, socket separation, it is desirable that signal contacting piece is disconnected
After opening, power contact part could be disconnected, and at this moment just be needed using the secondary locking mechanism that can be realized secondary unlocking.Existing two
Secondary retaining mechanism " secondary locking mechanism " as disclosed in Chinese patent CN203180222U, including plug end locking mechanism and socket
Locking mechanism is held, plug-locking structure includes a unlocking device being set on plug body, a tight locking button, secondary locking button
With the sliding block for secondary unlocking, socket locking structure includes locking window, a secondary locking being set in jack housing
Slot and sliding block locating slot, one time unlocking device is a hanging wall construction, and a tight locking button is the convex rectangular block being set on cantilever,
Secondary locking button is made of two flag-shaped hanging buckles, and two hanging buckles are located at a unlocking device both sides, and Cheng Jingxiang relationship.Plug, socket
Specific separation process are as follows: the first step holds plug body, a unlocking device on plug body is pressed, when a tight locking button
When in the unlocked state, plug body is pulled back, after drawing a distance, secondary locking button returns is in locking state, plug automatically
Shell can stop motion；Second step, pinches the anti-skid structure of sliding block two sides, and pulls back, and after realizing unlock, holds jack shell
Body simultaneously pulls back, and whole unlocking motions can be completed.Existing this secondary locking mechanism can realize cut-off signal stage by stage
And main circuit current, extend the time of signal unlock, but there are still following problems for current this secondary unlocking mechanism: secondary
Unlocking process needs to operate the cantilever of a unlocking device, it is also necessary to operate the sliding block of secondary unlocking, primary unlock, secondary unlocking
Operating member is inconsistent, operates relatively cumbersome, and unlocking process also seems complex, and generally requiring both hands cooperation could grasp
Make, the structure in addition also resulting in entire unlocking mechanism is relative complex.
Summary of the invention
The purpose of the present invention is to provide a kind of connector assemblies, to solve primary unlock, secondary unlocking in the prior art
Operating member it is inconsistent and lead to the problem of unlocking process complexity；The object of the invention is also to provide a kind of connector groups
Connector used in part.
To solve the above-mentioned problems, the present invention in connector assembly technical solution are as follows:
Connector assembly, the plug and socket including grafting along the longitudinal direction, plug include plug casing, and socket includes inserting
Seat shell body is provided with a single-ended tight locking button and single-ended secondary locking button on one of shell, is arranged on another shell
Having front end is the hammerlock of projecting end, and a single-ended tight locking button, single-ended secondary locking are buckled in interval on the swaying direction of projecting end and set
It sets, the space that there is the projecting end for hammerlock to pass through between a single-ended tight locking button, single-ended secondary locking button along the longitudinal direction, lock
Be provided on the projecting end of arm for when projecting end is swung towards a single-ended tight locking button with the single-ended primary locking
The tight locking button of adaptation end one time of padlock tight fit, the projecting end of hammerlock be additionally provided with for a single-ended tight locking button be adapted to end
After the unlock of tight locking button and hammerlock is adapted to end two with single-ended secondary locking padlock tight fit in moving process backwards relatively
Secondary tight locking button.
A single-ended tight locking button, single-ended secondary locking button time interval arrangement, the adaptation tight locking button of end one time, adaptation end are secondary
Tight locking button is set to hammerlock in the front-back direction at same position.
Hammerlock is articulated in corresponding housing, is provided between hammerlock and corresponding housing and is applied active force to hammerlock so as to overhang
Hold the reset spring swung towards a single-ended tight locking button direction.
Adaptation end secondary locking button is latch hook structure, is adapted to end secondary locking buckle in hammerlock backwards to a single-ended tight locking button
Side, adaptation end secondary locking structure have the rear latch hook stopping surface of block direction backwards, single-ended secondary locking button be and lock
The gear of hook structure cooperation is along structure.
The technical solution 1 of connector in the present invention are as follows:
Connector, including connector shell are provided with a single-ended tight locking button and single-ended secondary locking on connector shell
Button has the projecting end edge of the hammerlock on the connector for adaptation between a single-ended tight locking button, single-ended secondary locking button
The space that front-rear direction passes through, a single-ended tight locking button, single-ended secondary locking, which are buckled on the swaying direction of projecting end, is spaced setting,
A single-ended tight locking button for when the projecting end of hammerlock is swung towards a single-ended tight locking button on hammerlock to be adapted to end primary
Tight locking button locking cooperation, single-ended secondary locking button be used for adaptation the tight locking button of end one time and a single-ended tight locking button unlock after and
Hammerlock relatively backwards in moving process be adapted to end secondary locking padlock tight fit.
A single-ended tight locking button, single-ended secondary locking button time interval arrangement.
A single-ended tight locking button is latch hook structure, the preceding latch hook block that a single-ended tight locking button has block direction facing forward
Face.
The technical solution 2 of connector in the present invention are as follows:
Connector, including connector shell are provided with the hammerlock that front end is projecting end, the overhanging of hammerlock on connector shell
It is provided on end for matching when projecting end is swung towards a single-ended tight locking button with the single-ended tight locking button locking
The tight locking button of adaptation end one time of conjunction, the projecting end of hammerlock are additionally provided in the adaptation tight locking button of end one time and single-ended primary locking
After button unlock and hammerlock is adapted to end secondary locking button with single-ended secondary locking padlock tight fit in moving process backwards relatively.
Hammerlock is hinged and connected with connector shell, be provided between hammerlock and connector shell to hammerlock apply active force with
The reset spring for swinging the projecting end of hammerlock towards a single-ended tight locking button direction.
Adaptation end secondary locking button is latch hook structure, is adapted to end secondary locking buckle in hammerlock backwards to a single-ended tight locking button
Side, adaptation end secondary locking structure have the rear latch hook stopping surface of block direction backwards.
The invention has the benefit that the tight locking button of adaptation end one time and single-ended one when plug, socket grafting, on hammerlock
The locking of plug, socket is realized in secondary tight locking button locking cooperation, and when needing plug, socket separation, applying active force to hammerlock makes
The projecting end of hammerlock is swung backwards to a single-ended tight locking button, and the adaptation tight locking button of end one time is separated with a single-ended tight locking button, post-tensioning
Plug, hammerlock are also moved relative to backwards, and the adaptation end secondary locking button on hammerlock and single-ended secondary locking button block cooperate, and are reached
Secondary locking position then makes hammerlock mobile towards a single-ended tight locking button direction, adaptation end secondary locking button and single-ended two again
Secondary tight locking button separation, realizes secondary unlocking.Realize that primary unlock, secondary unlocking are realized by the swing of hammerlock in the present invention
, it is only necessary to hammerlock, this component is operated, and for needing two components of operation compared to the prior art, unlocking process is more
It is convenient, while being also beneficial to simplify the structure of product.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of connector assembly in the present invention；
Fig. 2 is the perspective view of Fig. 1；
Fig. 3 is the structural schematic diagram of plug in Fig. 1；
Fig. 4 is the structural schematic diagram of socket in Fig. 1；
Fig. 5 is the structural schematic diagram of socket end locking mechanism in Fig. 1；
Fig. 6 is the structural schematic diagram of the hammerlock of plug end locking mechanism in Fig. 1；
Fig. 7 is the structural schematic diagram of reset spring in Fig. 1；
Fig. 8 is the structural schematic diagram of lock banking stop in Fig. 1.
Specific embodiment
The implementation of connector assembly is for example shown in Fig. 1 ~ 8: the plug and socket including grafting along the longitudinal direction, plug include
Plug body shell and the locking shell for being set to plug body housing forward end lock and are provided with plug end locking knot on shell
Structure, socket include socket main body shell and the socket end installation base body for being installed on socket main body housing forward end, and socket end installs base
Socket end locking mechanism is provided on body.Socket end installation base body is the set shape structure for being sheathed on socket main body shell,
Socket end locking mechanism includes the i.e. single-ended tight locking button of tight locking button of socket end and socket end secondary locking button i.e. single-ended two
Secondary tight locking button, tight locking button of socket end are socket latch hook structure, the preceding latch hook that socket latch hook structure has block direction facing forward
Stopping surface, socket end secondary locking button are the gear of door shape along structure.Plug end locking mechanism includes being articulated on locking shell
Front end is the hammerlock of projecting end, is formed for hammerlock along the longitudinal direction between tight locking button of socket end, socket end secondary locking button
By space, tight locking button of socket end, socket end secondary locking be buckled on the swaying direction of hammerlock be spaced setting.Hammerlock
Projecting end is provided with once locks for being adapted to end with tight locking button of plug end of tight locking button locking cooperation of socket end
It detains and for being adapted to end secondary locking button, plug end with the plug end secondary locking button of socket end secondary locking padlock tight fit
Tight locking button is the locked groove being adapted to socket latch hook structure, and plug end secondary locking button is plug latch hook structure, plug latch hook
Structure is in hammerlock backwards to the side of tight locking button of socket end, plug latch hook structure have block direction backwards for being inserted
The rear latch hook stopping surface of seat end secondary locking button block.It is provided with reset spring between hammerlock and locking shell, reset spring is
Torsional spring, reset spring apply active force to hammerlock and the projecting end of hammerlock are made to have towards what tight locking button of socket end was swung
Gesture.Secondary locking mechanism further includes the lock banking stop being assemblied on locking shell for guiding movement along the longitudinal direction, works as plug end
When the tight locking button locking of tight locking button and socket end cooperates, lock banking stop can be pushed into hammerlock rear end and locking shell it
Between, it can be unlocked in this way to avoid because of maloperation, when needing to unlock, post-tensioning lock banking stop makes lock banking stop by hammerlock and locking shell
Gap between body removes.
Locking shell is set shape structure, locks and is provided with the rotation stop spline extended along the longitudinal direction, plug body on shell
Circumferentially uniform intervals are disposed with multiple rotation stop keyways on shell, and the purpose being arranged in this way is because plug body shell is one
A outlet direction and the inconsistent elbow shell of plugging direction can be by rotation stop keys in order to adapt to different outlet angles
Item is inserted into corresponding rotation stop keyway, setting angle of the locking shell relative to plug body shell is adjusted with this, thus suitable
Different outlet angles is answered, the front-rear position positioning to locking shell can be then realized by circlip.Meanwhile locking shell
Also pass through rotation stop connected structure grafting with socket, rotation stop connected structure can be key, keyway arrangements, be also possible to interior square hole, outer
The pulling force of square head structure, cable suffered by such elbow shell can pass to locking shell through plug body shell, then pass through
Locking shell passes to Socket casing, is finally undertaken by Socket casing, without the contact inside damage plug, socket, has
Conducive to the service life for guaranteeing contact.Plug casing, Socket casing, plug end locking mechanism and socket end lock in the present embodiment
Locking structure is made of metal material.
Plug, socket grafting in place when, the socket lock of the locked groove of tight locking button of plug end and tight locking button of socket end
Hook structure hooks cooperation, realizes plug, the anticreep after socket grafting, by the rear end of lock sheet push-in hammerlock and locking shell it
Between, it can be unlocked to avoid because of maloperation.When needing plug, socket separation, lock banking stop is pulled back first, then pressing lock
The projecting end of arm rear end, hammerlock is swung far from tight locking button of socket end, and tight locking button of socket end is once locked with plug end
It deducts points from, post-tensioning plug casing, hammerlock moves back together with locking shell, during the moving back of hammerlock, the plug of hammerlock back side
The gear of latch hook structure and socket end secondary locking button is hooked along structure to be cooperated, and plug casing cannot continue to move back, then no longer press
Press hammerlock, hammerlock under action of reset spring the automatic bottom and realize plug end secondary locking button and socket end secondary locking button and take off
From realization secondary unlocking, plug can continue post-tensioning and be completely separated with socket.Finally realize secondary push-and-pull unlocking function, point
Stage cut-off signal and main circuit current extend the time of signal unlock, guarantee signal contacting piece without current separation.Simultaneously originally
It only needs this operation of components to hammerlock that can realize secondary push-and-pull unlocking function in invention, needs compared to the prior art pair
Two operation of components are just able to achieve for secondary push-and-pull unlock, are simplified operating process, can easily be realized one-handed performance, together
When can also simplify product structure, have and be easily achieved, and the small advantage that takes up space.
In other embodiments of the invention: tight locking button of socket end is also possible to hinge slot structure, matched at this time
Tight locking button of plug end be latch hook structure；Likewise, plug end secondary locking button may be hinge slot structure, at this time therewith
The socket end secondary locking button of adaptation can be latch hook structure；Tight locking button of socket end, socket end secondary locking button can also be with
Positioned at same position in the front-back direction, plug end secondary locking button can be located at the front side of tight locking button of plug end at this time；It is multiple
Position spring can not also be set, the elastic cantilever that hammerlock can be rear end and lock shell one or be fixedly linked；Certain hammerlock
Can not have elasticity, can guarantee that tight locking button of plug end and socket end are primary by the structure of similar lock banking stop at this time
The locking relationship of tight locking button；Locking shell can not also be set, and hammerlock can be directly arranged on plug body shell at this time；Socket
End installation base body can also be wholely set with Socket casing；Gear may not be portal structures along structure, such as be L shape knot
Structure；Tight locking button of socket end, socket end secondary locking button can not also arrange along the spaced radial of socket installation base body, such as
Say perpendicular to socket installation base body axially spaced-apart arrangement, as long as can be realized hammerlock towards roll to each side respectively with corresponding locking
Padlock tight fit；Hammerlock and lock banking stop also can be set on Socket casing, and socket end locking mechanism becomes plug at this time
Locking mechanism is held, plug end locking mechanism becomes socket end locking mechanism.
The embodiment 1 of connector is as shown in Fig. 1 ~ 8: the specific structure of the embodiment 1 of connector and above-mentioned each connector group
Plug in part is identical, and this will not be detailed here.
The embodiment 2 of connector is as shown in Fig. 1 ~ 8: the specific structure of the embodiment 2 of connector and above-mentioned each connector group
Socket in part is identical, and this will not be detailed here.
Claims (10)
1. connector assembly, the plug and socket including grafting along the longitudinal direction, plug include plug casing, socket includes socket
Shell is provided with a single-ended tight locking button and single-ended secondary locking button on one of shell, is provided on another shell
Front end is the hammerlock of projecting end, and a single-ended tight locking button, single-ended secondary locking, which are buckled on the swaying direction of projecting end, is spaced setting,
The space that there is the projecting end for hammerlock to pass through between a single-ended tight locking button, single-ended secondary locking button along the longitudinal direction, it is special
Sign is: be provided on the projecting end of hammerlock for when projecting end is swung towards a single-ended tight locking button with it is described single-ended
The tight locking button of adaptation end one time of tight locking button locking cooperation, the projecting end of hammerlock are additionally provided in a single-ended tight locking button
With after tight locking button unlock of adaptation end and in the opposite moving process backwards of hammerlock with single-ended secondary locking padlock tight fit
It is adapted to end secondary locking button.
2. connector assembly according to claim 1, it is characterised in that: a single-ended tight locking button, single-ended secondary locking button
Time interval arrangement, the adaptation tight locking button of end one time, adaptation end secondary locking button are set to hammerlock in the front-back direction at same position.
3. connector assembly according to claim 1, it is characterised in that: hammerlock is articulated in corresponding housing, hammerlock with it is right
It answers to be provided between shell to hammerlock and applies active force so that the reset bullet that projecting end is swung towards a single-ended tight locking button direction
Spring.
4. connector assembly described in any one according to claim 1 ~ 3, it is characterised in that: adaptation end secondary locking button is lock
Hook structure, adaptation end secondary locking buckle, backwards to the side of a single-ended tight locking button, are adapted to end secondary locking structure tool in hammerlock
There is the rear latch hook stopping surface of block direction backwards, single-ended secondary locking button is the gear that cooperates with latch hook structure along structure.
5. connector, including connector shell, it is provided with a single-ended tight locking button and single-ended secondary locking button on connector shell,
Have the projecting end of the hammerlock on the connector for adaptation along front and back between a single-ended tight locking button, single-ended secondary locking button
The space that direction passes through, a single-ended tight locking button, single-ended secondary locking, which are buckled on the swaying direction of projecting end, is spaced setting, special
Sign is: a single-ended tight locking button be used for when the projecting end of hammerlock is swung towards a single-ended tight locking button with being adapted on hammerlock
A tight locking button locking cooperation is held, single-ended secondary locking button is used to unlock in the adaptation tight locking button of end one time and a single-ended tight locking button
Later and hammerlock relatively backwards in moving process be adapted to end secondary locking padlock tight fit.
6. connector according to claim 5, it is characterised in that: before and after a single-ended tight locking button, single-ended secondary locking button
Arranged for interval.
7. connector according to claim 5 or 6, it is characterised in that: a single-ended tight locking button be latch hook structure, single-ended one
The preceding latch hook stopping surface that secondary tight locking button has block direction facing forward.
8. connector, including connector shell, the hammerlock that front end is projecting end is provided on connector shell, it is characterised in that:
It is provided on the projecting end of hammerlock for being locked when projecting end is swung towards a single-ended tight locking button with a single-ended tight locking button
The tight locking button of adaptation end one time of cooperation, the projecting end of hammerlock are additionally provided in the adaptation tight locking button of end one time and single-ended primary lock
It links closely after unlock and hammerlock is adapted to end secondary locking with single-ended secondary locking padlock tight fit in moving process backwards relatively
Button.
9. connector according to claim 8, it is characterised in that: hammerlock is hinged and connected with connector shell, hammerlock and company
It connects to be provided between device shell to hammerlock and applies active force so that the projecting end of hammerlock is swung towards a single-ended tight locking button direction
Reset spring.
10. connector according to claim 8 or claim 9, it is characterised in that: adaptation end secondary locking button is latch hook structure, is fitted
With end secondary locking buckle in hammerlock backwards to the side of a single-ended tight locking button, being adapted to end secondary locking structure has block direction
Rear latch hook stopping surface backwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611022022.3A CN106654710B (en) | 2016-11-21 | 2016-11-21 | A kind of connector assembly and its connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611022022.3A CN106654710B (en) | 2016-11-21 | 2016-11-21 | A kind of connector assembly and its connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106654710A CN106654710A (en) | 2017-05-10 |
| CN106654710B true CN106654710B (en) | 2019-02-15 |
Family
ID=58808229
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611022022.3A Active CN106654710B (en) | 2016-11-21 | 2016-11-21 | A kind of connector assembly and its connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106654710B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586088B (en) * | 2018-11-29 | 2020-01-14 | 安徽江淮汽车集团股份有限公司 | Accurate car wiring harness plug-in components of joint |
| CN110061386A (en) * | 2019-05-22 | 2019-07-26 | 浙江百安医疗科技有限公司 | Data-set structure |
| CN110504590B (en) * | 2019-07-30 | 2021-01-29 | 中航光电科技股份有限公司 | Push-pull locking connector |
| CN110416819B (en) * | 2019-07-30 | 2024-09-17 | 中航光电科技股份有限公司 | Push-pull locking mechanism and push-pull locking connector |
| CN113193412B (en) * | 2021-05-18 | 2023-12-01 | 菲尼克斯亚太电气（南京）有限公司 | Connector outer shell |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006086090A (en) * | 2004-09-17 | 2006-03-30 | Sumitomo Wiring Syst Ltd | Connector |
| CN203180222U (en) * | 2013-04-15 | 2013-09-04 | 四川永贵科技有限公司 | Secondary locking mechanism |
| CN103840317B (en) * | 2014-03-11 | 2017-01-11 | 四川永贵科技有限公司 | Double-lever interlocking connector |
| CN104134904B (en) * | 2014-08-06 | 2016-05-11 | 四川永贵科技有限公司 | With the retaining mechanism of two-stage unlocking function |
| CN104241966A (en) * | 2014-09-23 | 2014-12-24 | 四川永贵科技有限公司 | Push-pull type electric connector with secondary locking |
| CN106099529B (en) * | 2016-08-09 | 2018-11-30 | 四川瑞可达连接系统有限公司 | A kind of connector with secondary locking and secondary unlocking function |
-
2016
- 2016-11-21 CN CN201611022022.3A patent/CN106654710B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106654710A (en) | 2017-05-10 |
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