CN110176682B - Connector assembly and plug thereof - Google Patents
Connector assembly and plug thereof Download PDFInfo
- Publication number
- CN110176682B CN110176682B CN201810953856.9A CN201810953856A CN110176682B CN 110176682 B CN110176682 B CN 110176682B CN 201810953856 A CN201810953856 A CN 201810953856A CN 110176682 B CN110176682 B CN 110176682B
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- Prior art keywords
- plug
- locking arm
- locking
- elastic locking
- elastic
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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
- H01R13/02—Contact members
- H01R13/20—Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together
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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
- H01R13/629—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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- 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
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to a connector assembly and a plug thereof, the plug comprises a plug shell, a power-assisted handle is rotatably arranged on the plug shell, a lock groove is arranged on the power-assisted handle, an elastic locking arm is arranged on the plug shell and is in adaptive clamping connection with the lock groove on the power-assisted handle, the elastic locking arm is provided with a retraction path which can swing towards the plug shell under stress and is separated from the lock groove to realize retraction and unlocking of the power-assisted handle, a secondary locking member is movably assembled on the plug shell and is provided with a locking part, the locking part can be inserted into the retraction path of the elastic locking arm in the moving stroke of the secondary locking member to be in stop fit with the elastic locking arm and can also be moved out from the retraction path of the elastic locking arm to enable the elastic locking arm to freely retract, the secondary locking member is also provided with a driving part which can move relative to the plug shell under stress, the elastic locking arm cannot be operated by mistake, and the service life of the elastic locking arm is prolonged.
Description
Technical Field
The invention relates to a connector assembly and a plug thereof.
Background
In the design process of the connector, the product with a large number of cores and a large insertion force needs to be assisted by the aid of the aid handle, and then the plug and the socket are locked. Generally, a power-assisted handle for driving the plug to be in adaptive plug connection with the socket is arranged on the plug shell, and the plug and the socket are in relative plug connection through the power-assisted handle.
For example, an electrical connector with delayed unlocking is disclosed in chinese patent publication No. CN 207490216U. This electric connector includes plug and socket, it hangs the platform to be provided with locking once on plug housing, the plug both sides are equipped with the handle connecting axle, the handle is connected with the handle connecting axle and can swing along the grafting direction on the plug, be provided with locking button and secondary latch segment mounting groove on hand, wherein a locking button is used for hanging the platform with locking once and is connected, the secondary latch segment is connected with secondary latch segment mounting groove, a locking button middle part is equipped with the second cantilever of being connected with the handle, both ends are equipped with locking couple once respectively and press the shell fragment, press the shell fragment and be connected with locking couple once. Wherein once locking and hanging the platform and formed the locked groove of installing on the plug, the second cantilever has formed the elasticity locking arm of installing on the handle, once locks the couple and has formed and be used for cooperating and with the locked groove hook with the spacing barb of handle, the handle has formed the helping hand handle that is used for helping hand plug and socket to peg graft. In the actual operation process, when the plug and the socket are required to be in plug-in fit, the plug and the socket are in plug-in fit by rotating the power-assisted handle, when the power-assisted handle swings in place, the elastic locking arm on the power-assisted handle is just clamped in the locking groove on the plug, at the moment, the elastic locking arm on the power-assisted handle and the locking groove are in blocking fit along the opposite swinging direction of the power-assisted handle, and the power-assisted handle is blocked by the locking groove and cannot swing reversely, so that one-time locking between the plug and the socket can be realized; meanwhile, the secondary locking block is guided and pushed in the secondary locking block mounting groove, so that the secondary locking block is pressed on the unlocking return path of the elastic locking arm, the problem that the elastic locking arm is separated from the locking groove due to the return of the elastic locking arm caused by misoperation or other complex working conditions can be prevented, and the secondary locking of plug and socket insertion is realized. When the plug and the socket need to be separated, the secondary locking block is moved out from the unlocking and returning path of the elastic locking arm, the limiting stop of the elastic locking arm is released, then the elastic locking arm is driven to reversely swing and return by pressing the pressing elastic sheet on the elastic locking arm, so that the elastic locking arm is separated from the matching with the locking groove, and the power-assisted handle can be reversely swung to separate the plug from the socket. The elastic locking arm and the secondary locking block are arranged on the power-assisted handle, and the locking groove is formed in the plug, so that the operation is simple, the secondary locking and the secondary unlocking of the power-assisted handle can be realized through one-hand operation, in the actual working process, the power-assisted handle is a moving part which swings frequently, the elastic locking arm and the secondary locking part are arranged on the power-assisted handle, all operations in the unlocking process are realized on the moving part, the structure is complex, in the unlocking operation with high frequency, the abrasion on each part structure on the power-assisted handle can be serious, and finally, the elastic failure of the elastic locking arm can be caused, so that the power-assisted handle cannot be locked.
Disclosure of Invention
The invention aims to provide a plug, which aims to solve the problem that in the prior art, all movable parts are assembled on a power-assisted handle by a connector, so that an elastic locking arm is seriously abraded to cause locking failure; the invention also aims to provide a connector assembly with the plug, so as to solve the problem that reliable locking with a socket cannot be realized due to abrasion of the power-assisted handle after the plug is repeatedly pulled out and inserted.
In order to achieve the purpose, the technical scheme of the plug is as follows:
the plug comprises a plug shell, wherein a power-assisted handle which is in transmission connection with a socket and drives the plug to move and be inserted with the socket in opposite directions is rotatably arranged on the plug shell, the rotation stroke of the power-assisted handle has a power-assisted end position, the power-assisted handle at the power-assisted end position enables the plug to be inserted with the socket in place, a locking structure is fixedly arranged on the power-assisted handle, an elastic locking arm which can swing and elastically reset is arranged on the plug shell, the elastic locking arm can be in adaptive clamping connection with the locking structure on the power-assisted handle reaching the power-assisted end position to keep the power-assisted handle at the power-assisted end position, the elastic locking arm has a returning path which can swing towards the plug shell under stress and is separated from the locking structure to realize returning and unlocking of the power-assisted handle, a secondary locking member is movably assembled on the plug shell and has a locking part, and the locking part can be inserted into the returning path of the elastic locking The secondary locking piece is also provided with a driving part which is stressed to realize the movement relative to the plug shell.
Furthermore, in order to facilitate assembly of the secondary locking member and compactness of the whole structure, the plug end of the plug is defined as the rear end, the secondary locking member is assembled on the plug shell along the front-back direction in a guiding manner, the locking part is formed by a supporting limiting platform which is arranged between the elastic locking arm and the plug shell and protrudes towards the elastic locking arm, and the driving part is positioned on the front side of the root of the elastic locking arm or on at least one side of the left side and the right side.
Furthermore, in order to realize the stability of the integral operation, the secondary locking piece comprises a U-shaped frame part which is sleeved at the root of the elastic locking arm and extends backwards from two arms, the locking parts are arranged on the two arms of the U-shaped frame part in an upward protruding mode, and the front part of the U-shaped frame part forms the driving part.
Furthermore, in order to facilitate installation and ensure reliability of the limit stop of the elastic locking arm, the elastic locking arm comprises a body and extending blocks which are arranged on the left side and the right side of the body and extend oppositely, two arms of the U-shaped frame portion extend between the extending blocks and the plug shell, and the locking portion is used for limiting and stopping the extending blocks to prevent the elastic locking arm from returning.
In order to assemble the two arms of the U-shaped frame part and the extending blocks of the elastic locking arms together on the plug shell to improve the matching reliability of the plug shell and avoid clamping stagnation or matching failure caused by external influence, two protection guide rails are arranged on the left side and the right side of the elastic locking arms on the plug shell at intervals, guide rail grooves are formed in the opposite sides of the protection guide rails, the two arms of the secondary locking piece and the extending blocks of the elastic locking arms are correspondingly assembled in the guide rail grooves respectively, and the two arms of the secondary locking piece move back and forth in the guide rail grooves.
Furthermore, in order to realize the front limiting of the secondary locking member, the secondary locking member further comprises a front limiting part connected to the U-shaped frame part, and a protrusion which is matched with the front limiting part in a blocking manner to prevent the secondary locking member from being separated from the plug shell forwards is arranged on the plug shell.
Further, in order to realize the back spacing to the secondary retaining member, the secondary retaining member is still including setting up back spacing portion on the downside of two arms of U-shaped frame portion, be equipped with on the plug housing and supply back spacing portion to insert in order to prevent the spacing hole that the secondary retaining member breaks away from with the plug housing backward.
In order to remove the rear limit of the secondary locking piece and facilitate the push-pull operation, the rear ends of the two arms of the U-shaped frame part are provided with elastic claws which are used for being pushed upwards by a socket to drive the rear limit part to be separated from the limit hole when the plug is inserted into the socket.
Furthermore, in order to realize the moving guide of the secondary locking member, a guide groove extending in the front-back direction is formed in the plug housing, and a guide block assembled with the guide groove in a guiding manner is arranged at the lower end of the front portion of the secondary locking member.
The technical scheme of the connector assembly of the invention is as follows:
the connector assembly comprises a plug and a socket which are mutually inserted, the plug comprises a plug shell, a power-assisted handle which is in transmission connection with the socket and drives the plug and the socket to oppositely move and be inserted is rotatably arranged on the plug shell, the rotation stroke of the power-assisted handle has a power-assisted end position, the power-assisted handle at the power-assisted end position enables the plug and the socket to be inserted in place, a locking structure is fixedly arranged on the power-assisted handle, an elastic locking arm which can swing and elastically reset is arranged on the plug shell, the elastic locking arm can be in adaptive clamping connection with the locking structure on the power-assisted handle reaching the power-assisted end position and keeps the power-assisted handle at the power-assisted end position, the elastic locking arm has a returning path which can swing towards the plug shell under stress and is separated from the locking structure to realize returning and unlocking of the power-assisted handle, a secondary locking member, the locking part can be inserted into the retraction path of the elastic locking arm in the moving stroke of the secondary locking part to be in stop fit with the elastic locking arm so as to prevent the elastic locking arm from being separated from the locking structure, and can also be moved out of the retraction path of the elastic locking arm so as to enable the elastic locking arm to retract freely.
Furthermore, in order to facilitate assembly of the secondary locking member and compactness of the whole structure, the plug end of the plug is defined as the rear end, the secondary locking member is assembled on the plug shell along the front-back direction in a guiding manner, the locking part is formed by a supporting limiting platform which is arranged between the elastic locking arm and the plug shell and protrudes towards the elastic locking arm, and the driving part is positioned on the front side of the root of the elastic locking arm or on at least one side of the left side and the right side.
Furthermore, in order to realize the stability of the integral operation, the secondary locking piece comprises a U-shaped frame part which is sleeved at the root of the elastic locking arm and extends backwards from two arms, the locking parts are arranged on the two arms of the U-shaped frame part in an upward protruding mode, and the front part of the U-shaped frame part forms the driving part.
Furthermore, in order to facilitate installation and ensure reliability of the limit stop of the elastic locking arm, the elastic locking arm comprises a body and extending blocks which are arranged on the left side and the right side of the body and extend oppositely, two arms of the U-shaped frame portion extend between the extending blocks and the plug shell, and the locking portion is used for limiting and stopping the extending blocks to prevent the elastic locking arm from returning.
In order to assemble the two arms of the U-shaped frame part and the extending blocks of the elastic locking arms together on the plug shell to improve the matching reliability of the plug shell and avoid clamping stagnation or matching failure caused by external influence, two protection guide rails are arranged on the left side and the right side of the elastic locking arms on the plug shell at intervals, guide rail grooves are formed in the opposite sides of the protection guide rails, the two arms of the secondary locking piece and the extending blocks of the elastic locking arms are correspondingly assembled in the guide rail grooves respectively, and the two arms of the secondary locking piece move back and forth in the guide rail grooves.
Furthermore, in order to realize the front limiting of the secondary locking member, the secondary locking member further comprises a front limiting part connected to the U-shaped frame part, and a protrusion which is matched with the front limiting part in a blocking manner to prevent the secondary locking member from being separated from the plug shell forwards is arranged on the plug shell.
Further, in order to realize the back spacing to the secondary retaining member, the secondary retaining member still includes the back spacing portion that sets up on the downside of two arms of U-shaped frame portion, be equipped with on the plug housing and supply back spacing portion to insert in order to prevent the spacing hole that the secondary retaining member breaks away from with the plug housing backward.
In order to remove the rear limit of the secondary locking piece and facilitate the push-pull operation, the rear ends of the two arms of the U-shaped frame part are provided with elastic claws which are used for being pushed upwards by a socket to drive the rear limit part to be separated from the limit hole when the plug is inserted into the socket.
Furthermore, in order to realize the moving guide of the secondary locking member, a guide groove extending in the front-back direction is formed in the plug housing, and a guide block assembled with the guide groove in a guiding manner is arranged at the lower end of the front portion of the secondary locking member.
The invention has the beneficial effects that: compared with the prior art, the plug provided by the invention has the advantages that the secondary locking piece is arranged on the plug shell, in the actual operation process, after the plug and the socket are driven to be inserted in place through the power-assisted handle, the primary locking and fixing of the plug and the socket are realized through the clamping and matching of the elastic locking arm and the locking structure, the secondary locking piece is movably assembled on the plug shell in consideration of the external stress condition, the secondary locking piece is pushed after the elastic locking arm is matched with the locking structure, the locking part of the secondary locking piece can be inserted into a retraction path, the locking end of the elastic locking arm is prevented from being separated from the locking structure, the secondary locking and fixing of the elastic locking arm can be realized, the stable connection between the plug and the socket is ensured, and meanwhile, when the elastic locking arm needs to be removed from the locking structure, the secondary locking piece is only removed from the corresponding position, the elastic locking arm can be operated to retreat to realize separation from the locking structure, then the power-assisted handle is operated to separate the plug from the socket, the operation is simpler, the locking state can be kept in the harsh working conditions of misoperation, flying stones and the like, and the reliability is higher.
Further, set up elasticity locking arm on plug housing, the corresponding with secondary retaining member movable assembly on plug housing, set up the locking structure of rigid structure on the helping hand handle, in the operation of reality like this, when swing helping hand handle, only need with the helping hand handle on the locking structure aim at the rear end of elasticity locking arm can, need not carry out other operations to the helping hand handle, it is high with operating frequency originally, and more concentrated part setting is on plug housing, holistic structure is fairly simple, the overall arrangement is retrencied more, and can not maloperation elasticity locking arm like this, there is great promotion to the life of elasticity locking arm.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a connector assembly of the present invention;
FIG. 2 is a view of the position of the secondary locking member with respect to the locking slot when the resilient locking arms are unlocked in the embodiment of the connector assembly of the present invention;
FIG. 3 is a view of the position of the secondary locking member when the resilient locking arms and locking slots cannot be unlocked with respect to each other in the embodiment of the connector assembly of the present invention;
FIG. 4 is a rear view of FIG. 1;
FIG. 5 is a partial sectional view taken along line A-A of FIG. 4;
fig. 6 is a schematic structural view of the secondary locking member of fig. 1.
Description of reference numerals: 100-a socket; 200-plug; 1-mounting a pin; 2-a plug housing; 3-a power-assisted handle; 4-an elastic locking arm; 5-secondary locking piece; 21-a guide groove; 22-a bump; 23-a limiting hole; 24-a protective guide rail; 31-a lock groove; 32-groove penetration; 41-an extension block; 51-a locking portion; 52-a drive section; 53-elastic jaws; 54-a bump; 55-a guide block; 56-front stop.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 6, the connector assembly of the present invention is a high-voltage interlocking connector assembly, which includes a plug 200 and a receptacle 100 that are plugged into each other, defining a plugging direction as a front-back direction, and a plugging end of the plug 200 is disposed toward the rear.
The plug 200 includes the plug body 2, rotate and is equipped with the helping hand handle 3 that can swing back and forth on the plug body 2, the helping hand handle 3 is equipped with the trough 32 that the mounting pin 1 that supplies on the socket 100 to penetrate, should wear the trough 32 and constitute and wear the corresponding structure (mounting pin 1) transmission connection and realize the connection structure of helping hand drive on the helping hand handle 3 on the socket 100, this "transmission connection" mode belongs to the prior art that realizes the power transmission the same with the background art, and except that wear the trough and the position of round pin can be exchanged, do not limit to the transmission cooperation of round pin and groove either, can also be deflector rod and lug, cam and the equivalent alternative mode of swing transmission connection common in other fields of guide rail.
Consistent with the effect of the prior interlocking connector provided in the background art using the power-assisted handle, during the process of rotating the power-assisted handle to swing back and forth, the mounting pin 1 on the socket 100 is guided to move in the through groove 32, and the forward acting force applied to the mounting pin 1 by the through groove 32 realizes the power assistance during the plug-in matching process of the plug 200 and the socket 100.
Meanwhile, the plug housing 2 in this embodiment is also provided with an elastic locking arm 4 for locking and positioning the assist grip 3 reaching the assist end position, and the elastic locking arm 4 is arranged on the upper side of the plug housing 2 in a manner of suspending from front to back. Be equipped with on helping hand handle 3 and lock groove 31 with elasticity locking arm 4 block cooperation realization plug 200 and socket 100 locking, in this embodiment, the front end of elasticity locking arm 4 is the barb structure, establishes in lock groove 31 through barb structure card, realizes the joint cooperation of the two, and wherein lock groove 31 constitutes the locking structure who is used for keeping helping hand handle at helping hand end position with elasticity locking arm adaptation joint when helping hand handle reaches the helping hand and finishes. Of course, the form of the clamping connection between the locking structure and the elastic locking arm may be the same as that of the prior art, and in other embodiments, the positions of the locking groove and the barb may be interchanged, and the locking groove and the barb may not be limited to the cooperation of the locking groove and the barb, but may also be the hook cooperation of the barb and the barb, and other equivalent alternatives of the common clamping locking structure in the art. In the embodiment, the power-assisted handle 3 swings backwards to assist in power to enable the plug 200 and the socket 100 to be plugged into each other, when the power-assisted handle 3 swings backwards to contact the elastic locking arm 4, the elastic locking arm 4 is extruded and deformed by the lower end of the power-assisted handle 3 to move close to the upper side face of the plug housing 2, when the plug 200 and the socket 100 are plugged in place, the position of the power-assisted handle forms a power-assisted ending position, the elastic locking arm 4 is just at a position corresponding to the locking groove 31 on the power-assisted handle 3, and the elastic locking arm 4 is clamped into the locking groove 31 under the action of elastic restoring force, so that the stopping and limiting between the elastic locking arm 4 and the locking groove 31 can be realized, and the locking and fixing between the plug and the socket are ensured.
In order to prevent the elastic locking arm 4 from being retreated toward the plug housing 2 by an external force and separated from the locking groove 31 of the assist grip 3 under a severe environment such as a malfunction and a flying stone, in the present embodiment, the upper side surface of the plug housing 2 is further movably equipped with the secondary locking member 5 in the front-rear direction, and the secondary locking member 5 has a structure as shown in fig. 6, which has a locking portion 51 and a driving portion 52.
In the present embodiment, since the retreating direction of the overhanging end of the elastic lock arm 4 is toward the plug housing 2, that is, the swinging path of the elastic lock arm 4 toward the plug housing 2 is a retreating path, the locking portion 51 of the secondary locker 5 is formed by supporting the stopper boss provided between the elastic lock arm 4 and the plug housing 2 to project toward the elastic lock arm 4. The limit table supports and presses between the plug shell 2 and the overhanging end of the elastic locking arm 4, so that the elastic locking arm 4 is retracted and stopped. In other words, the locking portion 51 can be inserted into the retraction path of the elastic locking arm 4 to prevent the elastic locking arm 4 from being disengaged from the locking groove 31, so that secondary locking and fixing of the elastic locking arm 4 can be realized, stable connection between the plug and the socket is ensured, and meanwhile, when the elastic locking arm 4 needs to be removed from the locking groove 31, only the locking portion 51 of the secondary locking member 5 needs to be removed from the position corresponding to the elastic locking arm 4, that is, the locking portion 51 does not be inserted into the retraction path of the elastic locking arm 4 any more, the retraction stop of the elastic locking arm 4 can be released, the elastic locking arm 4 is operated to swing to realize separation from the locking groove 31, the operation is relatively simple, the locking state can be maintained in a severe environment such as misoperation and flying stones, and the reliability is relatively high.
In this embodiment, the secondary locking member 5 is guided and assembled in the guide groove 21 formed in the upper surface of the plug housing 2 in the front-rear direction, the corresponding driving portion 52 is located in front of the root of the elastic locking arm 4, and the driving portion 52 is pushed to move forward and backward, thereby realizing the insertion and removal of the driving locking portion 51 on the retraction path of the elastic locking arm 4. In other embodiments, the driving portion may be disposed on one side of the root portion of the elastic locking arm, or disposed on both left and right sides of the root portion of the elastic locking arm. In other embodiments, the secondary locking member can be assembled on the plug shell in a left-right direction in a guiding way; the secondary locking member can also be hinged on the upper side surface of the plug shell, the hinge axis is perpendicular to the upper side surface of the plug shell, and the intervention and the moving-out of the driving locking part on the retraction path of the elastic locking arm are realized through swinging.
For the secondary locking member 5, it includes the U-shaped frame portion that the cover was established at the root of elasticity locking arm 4, wherein two arm clamps of U-shaped frame portion are established between elasticity locking arm 4 and plug housing 2, specifically be that elasticity locking arm 4 includes the body and at the left and right sides of body extension piece 41 that extends mutually away from, the two arms of U-shaped frame portion are equipped with locking portion 51 to the epirelief, and two arms of U-shaped frame portion extend between extension piece 41 and plug housing 2, the front portion of U-shaped frame portion is located the front side of elasticity locking arm 4 root and constitutes drive division 52, drive division 52 specifically is that the front end portion epirelief of U-shaped frame portion is equipped with the stirring piece, this stirring piece makes things convenient for manual operation push-and-pull secondary locking member 5. In order to assemble the two arms of the U-shaped frame part and the extending block 41 of the elastic locking arm 4 on the plug housing 2 together to improve the matching reliability and avoid clamping stagnation or matching failure caused by external influence, two protection guide rails 24 are arranged on the top of the plug housing 2 at intervals from left to right, guide rail grooves are arranged on the opposite sides of the two protection guide rails 24, the two arms of the secondary locking piece 5 and the extending block 41 of the elastic locking arm 4 are correspondingly assembled in the guide rail grooves respectively, and the two arms of the secondary locking piece 5 can move back and forth in the guide rail grooves.
The stability of the whole assembly structure and the stability of unblocking can be guaranteed in the setting of U-shaped frame part, can also guarantee the stability of the direction removal of secondary retaining member 5 simultaneously. Of course, in other embodiments, the secondary locking member may not be configured to have a U-shaped frame portion, and the U-shaped frame portion may be directly substituted for the L-shaped frame portion, where the folded edge of the L-shaped frame portion forms the locking portion and the straight edge forms the driving portion; the U-shaped frame portion may also be replaced by a rectangular frame portion.
The secondary locking member 5 further includes a limiting edge connected to the left and right opposite sides of the U-shaped frame portion, a protrusion 54 is provided on the side of the limiting edge facing the plug housing 2, opposite to the protrusion, and a protrusion 22 is provided on the plug housing 2 to cooperate with each of the limiting stops 54 to prevent the secondary locking member 5 from separating forward from the plug housing 2, and the protrusion 54 constitutes a front limiting portion for limiting the forward movement limit position of the secondary locking member 5, so that the secondary locking member 5 can be limited on the plug housing 2 to prevent the secondary locking member from separating forward from the plug housing 2. Of course, in other embodiments, the front stops may be provided only on one of the sides of the U-shaped frame portion, or may be provided on the front side of the U-shaped frame portion.
A rear limiting part 56 is further arranged on the side face of one side of the two arms of the U-shaped frame part facing the plug shell 2 in a downward protruding mode, a limiting hole 23 which is matched with the rear limiting part 56 to limit the backward movement limit of the secondary locking piece is correspondingly arranged on the plug shell, and the secondary locking piece can be guaranteed to be assembled on the plug shell through the limitation of the rear limiting part 56 and the front limiting part. Meanwhile, the rear end of the U-shaped frame portion is further provided with an elastic claw 53 which is pushed upwards by the housing of the socket 100 when the plug 200 is plugged into the socket 100 to separate the rear limiting portion 56 from the limiting hole 23, in this embodiment, the rear end of the U-shaped frame portion is provided with the elastic claw 53 extending downwards, the elastic claw 53 is arranged to be capable of driving the rear limiting portion 56 to be propped up and separate from the limiting hole 23 when the elastic locking arm 4 is matched with the locking groove 31, so that the rear limiting position of the secondary locking member is removed, then the secondary locking member 5 is pushed backwards to the designated position, the locking portion 51 on the secondary locking member 5 is just located below the extending block 41 of the elastic locking arm 4 to form a stop limit for the elastic locking arm 4, at this time, the secondary locking member 5 is ensured to maintain the limit stop for the elastic locking arm 4 under various complicated working conditions, at this time, if the power-assisting handle 3 is to be operated, the elastic locking arm 4 cannot be pressed downward under the stopping and limiting action of the locking part 51, and the plug and the socket cannot be separated. Of course, in other embodiments, the elastic claw may not be provided, and the relative fixation is realized by directly relying on the friction force between the locking part and the elastic locking arm.
When the elastic locking arm is locked with the locking groove, the secondary locking piece is pushed to move backwards, the elastic claw 53 is supported by the shell of the socket 100 to separate the rear limiting part 56 from the limiting hole 23, the locking part moves to the position below the extending block 41 of the elastic locking arm, the power-assisted handle is driven at the moment, and the elastic locking arm cannot be operated to downwards separate from the locking groove due to the stopping and limiting of the locking part on the elastic locking arm; when the elastic locking arm needs to be unlocked, the secondary locking piece is manually pulled to release the stopping and limiting with the elastic locking arm 4 until the locking part moves to the position at the rear side of the root of the elastic locking arm 4 and is separated from the extending block 41 of the elastic locking arm 4, and at the moment, the power-assisted handle 3 is operated, so that the elastic locking arm can be pressed downwards to be separated from the locking groove, and the separation of the plug and the socket is realized.
The structure of the plug according to the present invention is identical to that of the plug of the connector assembly, and the detailed development thereof is omitted.
Claims (6)
1. The plug, including plug housing, the last rotation of plug housing is provided with and is used for being connected with socket transmission and the helping hand handle of driving plug and socket removal grafting in opposite directions, and the rotation stroke of helping hand handle has helping hand final position, and the helping hand handle that is in helping hand final position pegs graft plug and socket and targets in place its characterized in that: the power-assisted handle is fixedly provided with a locking structure, the plug shell is provided with an elastic locking arm capable of swinging and elastically resetting, the elastic locking arm can be in adaptive clamping connection with the locking structure on the power-assisted handle reaching the power-assisted end position to keep the power-assisted handle at the power-assisted end position, the elastic locking arm is provided with a backspacing path capable of swinging towards the plug shell under stress and separating from the locking structure to realize backspacing and unlocking of the power-assisted handle, the plug shell is movably provided with a secondary locking member, the secondary locking member is provided with a locking part, the locking part can be inserted into the backspacing path of the elastic locking arm in the moving stroke of the secondary locking member to be in stop fit with the elastic locking arm to prevent the elastic locking arm from separating from the locking structure and can also be moved out from the backspacing path of the elastic locking arm to enable the elastic locking arm to freely backspace, and the secondary locking member is, the plug end of the plug is defined as the rear end, the secondary locking piece is assembled on the plug shell along the front and rear direction in a guiding way, the locking part is formed by a limiting table which is supported and arranged between the elastic locking arm and the plug shell and protrudes towards the elastic locking arm, the driving part is arranged on at least one side of the front side or the left and right sides of the root of the elastic locking arm, the secondary locking piece comprises a U-shaped frame part which is sleeved on the root of the elastic locking arm and extends backwards of the two arms, the locking part is arranged on the two arms of the U-shaped frame part in an upward protruding way, the front part of the U-shaped frame part forms the driving part, the secondary locking piece also comprises a rear limiting part which is arranged on the lower side, the plug shell is provided with a limiting hole for the rear limiting part to insert so as to prevent the secondary locking part from separating from the plug shell backwards, the rear ends of the two arms of the U-shaped frame part are provided with elastic claws which are used for being pushed upwards by the socket to drive the rear limiting part to be separated from the limiting hole when the plug is inserted into the socket.
2. The plug of claim 1, wherein: the elastic locking arm comprises a body and extending blocks which are arranged on the left side and the right side of the body and extend oppositely, two arms of the U-shaped frame portion extend between the extending blocks and the plug shell, and the locking portion is used for limiting and stopping the extending blocks to prevent the elastic locking arm from returning.
3. The plug of claim 2, wherein: two protection guide rails are arranged on the plug shell at intervals on the left side and the right side of the elastic locking arm, guide rail grooves are formed in the opposite sides of the protection guide rails, the two arms of the secondary locking piece and the extending blocks of the elastic locking arm are assembled in the guide rail grooves correspondingly, and the two arms of the secondary locking piece move back and forth in the guide rail grooves.
4. A plug as claimed in claim 1, 2 or 3, wherein: the secondary locking member further comprises a front limiting part connected to the U-shaped frame part, and a protrusion matched with the front limiting part in a blocking mode to prevent the secondary locking member from being separated from the plug shell forwards is arranged on the plug shell.
5. A plug as claimed in claim 1, 2 or 3, wherein: the plug is characterized in that a guide groove extending in the front-back direction is formed in the plug shell, and a guide block assembled with the guide groove in a guiding mode is arranged at the lower end of the front portion of the secondary locking piece.
6. Connector assembly, including plug and the socket of pegging graft each other, its characterized in that: the plug is as claimed in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810953856.9A CN110176682B (en) | 2018-08-21 | 2018-08-21 | Connector assembly and plug thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810953856.9A CN110176682B (en) | 2018-08-21 | 2018-08-21 | Connector assembly and plug thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110176682A CN110176682A (en) | 2019-08-27 |
| CN110176682B true CN110176682B (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810953856.9A Active CN110176682B (en) | 2018-08-21 | 2018-08-21 | Connector assembly and plug thereof |
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| Country | Link |
|---|---|
| CN (1) | CN110176682B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111146648A (en) * | 2020-01-13 | 2020-05-12 | 洛阳赛焱光电科技有限公司 | Sealed protection electric connector |
| CN112421300B (en) * | 2020-03-13 | 2022-04-05 | 深圳市雅安精密连接器有限公司 | Safety interface for electronic equipment |
| CN112909598B (en) * | 2020-11-06 | 2022-10-11 | 重庆长安汽车股份有限公司 | Wiring harness plug-in structure |
| CN113644498A (en) * | 2021-07-22 | 2021-11-12 | 中航光电科技股份有限公司 | Signal interlocking connector |
| CN114447702A (en) * | 2022-01-06 | 2022-05-06 | 中航光电科技股份有限公司 | Connector assembly and plug and socket locking connection structure |
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| CN101427424A (en) * | 2006-02-21 | 2009-05-06 | 泰科电子公司 | Lever mated connector assembly |
| US9281614B1 (en) * | 2014-10-06 | 2016-03-08 | Tyco Electronics Brasil Ltda | Connector assembly having locking members |
| CN105846242A (en) * | 2016-05-20 | 2016-08-10 | 苏州思科赛德电子科技有限公司 | Handle-type high-voltage connector |
| CN205790564U (en) * | 2016-05-23 | 2016-12-07 | 安费诺精密连接器(深圳)有限公司 | A kind of high-voltage interlocking adapter |
| EP2863490B1 (en) * | 2013-10-18 | 2017-12-27 | Delphi International Operations Luxembourg S.à r.l. | Connector assembly with CPA member |
| CN207038837U (en) * | 2017-06-07 | 2018-02-23 | 科络普线束技术（昆山）有限公司 | A kind of novel secondary locking-type connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7175451B2 (en) * | 2005-03-15 | 2007-02-13 | Tyco Electronics Corporation | Lever mated connector assembly with a position assurance device |
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|---|---|---|---|---|
| CN101427424A (en) * | 2006-02-21 | 2009-05-06 | 泰科电子公司 | Lever mated connector assembly |
| EP2863490B1 (en) * | 2013-10-18 | 2017-12-27 | Delphi International Operations Luxembourg S.à r.l. | Connector assembly with CPA member |
| US9281614B1 (en) * | 2014-10-06 | 2016-03-08 | Tyco Electronics Brasil Ltda | Connector assembly having locking members |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110176682A (en) | 2019-08-27 |
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