CN113629451A - Connector secondary locking mechanism, plug and connector assembly - Google Patents
Connector secondary locking mechanism, plug and connector assembly Download PDFInfo
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- CN113629451A CN113629451A CN202110819025.4A CN202110819025A CN113629451A CN 113629451 A CN113629451 A CN 113629451A CN 202110819025 A CN202110819025 A CN 202110819025A CN 113629451 A CN113629451 A CN 113629451A
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- connector
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- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 230000003044 adaptive effect Effects 0.000 claims abstract description 8
- 239000012634 fragment Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000000670 limiting effect Effects 0.000 description 9
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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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
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
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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
-
- 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
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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
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to a connector secondary locking mechanism, a plug and a connector assembly, wherein the connector secondary locking mechanism comprises a plug shell and a secondary locking structure which is rotatably sleeved outside the plug shell, the plug shell is provided with a primary locking structure matched with an adaptive locking structure on a socket shell, the secondary locking mechanism is provided with a locking part, the plug shell is provided with a circumferential fixing groove and a secondary locking groove, and the locking part is in buckling fit with the circumferential fixing groove to realize circumferential fixing of the secondary locking structure; when the primary locking structure is in a locking state, the locking part is jacked up by a convex rib axially arranged on the socket shell, the secondary locking structure is circumferentially fixed to be invalid at the moment, and then the secondary locking structure is rotated to enable the locking part to fall into a secondary locking groove, so that the secondary locking function of the connector is realized. According to the invention, a secondary locking operation under the condition of primary locking is quickly realized by adopting a rotary locking mode, and the primary locking structure can be covered under the secondary locking state, so that the locking stability is improved.
Description
Technical Field
The invention belongs to the technical field of connector locking, and particularly relates to a secondary locking mechanism of a connector, a plug and a connector assembly.
Background
Along with the popularization of new energy automobiles and the gradual improvement of the requirements on electric automobiles, the requirements of various whole automobile factories on the automotive high-voltage connectors are higher and higher, so that various automotive high-voltage connector manufacturers continuously develop products with novel structures and complete functions according to the improvement of the requirements of new energy industries so as to keep pace with the industry pace of the rapidly-developed new energy automobiles.
At present, the requirements of various vehicle enterprises on miniaturization and light weight of parts of the whole vehicle are continuously improved, so that the miniaturization design of the connector is crucial, the requirement on secondary locking of the connector is crucial in order to improve the connection reliability of the connector, and most products with secondary locking structures are rectangular structures at present, so that the size of the whole connector product is large, and the miniaturization requirements of customers are difficult to meet.
Disclosure of Invention
The invention aims to provide a connector secondary locking mechanism, a plug and a connector assembly, which adopt plugging primary locking and rotating secondary locking, have ingenious structure, reduce the volume of the connector and realize quick and stable locking performance.
The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. The secondary locking mechanism of the connector comprises a plug shell and a secondary locking structure which is rotatably sleeved on the outer side of the plug shell, wherein a primary locking structure which is matched with an adaptive locking structure on a socket shell in a locking mode to realize a primary locking function is arranged on the plug shell;
when the primary locking structure is in a locking state, the locking part is jacked up by the jacking element on the socket shell, the circumferential fixing of the secondary locking structure is failed at the moment, and then the secondary locking structure is rotated to enable the locking part to fall into the secondary locking groove, so that the secondary locking function of the connector is realized.
Further, locking structure is including fixing the fixed part on plug housing once, and the fixed part extends towards the front end direction and forms the hasp portion that the overhang set up, and hasp portion is used for cooperating with adaptation locking structure buckle, and the fixed part extends towards the rear end direction and forms the unblock portion that the overhang set up.
Furthermore, a primary locking groove is formed in the lock catch portion, and the adaptive locking structure is a locking key.
Furthermore, locking portion is the locking shell fragment, it is protruding to be equipped with the locking on the expansion end downside face of locking shell fragment, and the protruding circumference location of secondary locking structure of realizing with the cooperation of circumference fixed slot of locking, and when secondary locking structure revolved to locking position, this locking arch fell into secondary locking groove to restriction secondary locking structure's circumferential direction.
Furthermore, the plug shell is provided with a limit key extending axially, and the secondary locking structure is provided with a limit chute in sliding fit with the limit key along the circumferential direction; when the secondary locking structure rotates to the limit sliding groove and is abutted to the limit key, the secondary locking structure is considered to reach the locking position, and the locking part is in locking fit with the secondary locking groove.
Furthermore, an unlocking avoidance groove which is arranged in a penetrating way is formed in the secondary locking structure; the secondary locking structure where the locking part is located is provided with a covering part, and the unlocking avoiding groove is located on one side of the circumferential direction of the covering part;
when the secondary locking structure is positioned at the unlocking position, the unlocking avoiding groove is positioned above the primary locking structure, and the primary locking structure can be operated to remove the primary locking function; when the secondary locking structure rotates to the locking position, the covering part covers the primary locking structure, and the primary locking structure cannot be operated to realize unlocking.
Furthermore, the pushing unit is a convex rib extending axially, a guide inclined plane is arranged at the front end of the convex rib, and the guide inclined plane and the locking part are in pushing fit along the axial direction, so that the locking part is lifted up.
Furthermore, an unlocking inclined plane is arranged on the secondary locking groove, and the unlocking inclined plane and the locking part are in pushing fit in the unlocking process of the secondary locking structure, so that the locking part is smoothly lifted and separated from the secondary locking groove.
The invention also provides a plug which comprises any one of the connector secondary locking mechanisms.
The invention further provides a connector assembly which comprises a plug and a socket which are connected in an adaptive plugging mode, wherein the plug comprises any one of the connector secondary locking mechanisms.
By means of the technical scheme, the invention designs a brand new secondary locking mechanism of a high-voltage connector, wherein a secondary locking structure is circumferentially matched and fixed with a circumferential fixing groove on a plug shell through a locking elastic sheet, after the secondary locking mechanism is plugged into a socket, a primary locking structure is locked to be effective, the secondary locking structure is contacted with a convex rib and jacks up the locking elastic sheet under the action of the convex rib, so that the circumferential fixing of the secondary locking structure is invalid, the secondary locking structure can be rotated clockwise, when the secondary locking structure is rotated to a limit key of the plug shell, the locking elastic sheet falls into the secondary locking groove and covers the primary locking structure, primary unlocking operation cannot be performed, the secondary locking function of the connector is achieved, and the novel secondary locking mechanism has the advantages of being simple in structure, convenient to operate, reliable in locking function and the like.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a perspective view of a secondary locking structure of the present invention.
Fig. 2 is a schematic structural view of the plug housing of the present invention.
Fig. 3 is a schematic structural view of a socket housing according to the present invention.
Fig. 4 is a matching view of the locking spring plate and the convex rib when the one-time locking structure is in a locking state.
Fig. 5 is a state diagram of the secondary locking structure rotating to the locking position to achieve the insertion locking of the head seat in the present invention.
Description of reference numerals:
1-a plug housing; 11-circumferential fixing groove; 111-mounting grooves; 12-secondary locking grooves; 121-unlocking the bevel; 13-a limit key; 2-secondary locking structure; 21-locking spring plate; 211: a locking protrusion; 22-a limiting chute; 23-unlocking the avoidance slot; 24-a cover; 3-primary locking structure; 31-a stationary part; 32-a locking part; 33-unlocking; 4-a socket housing; 41-locking key; 42-convex ribs; 421-guide ramp.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
An embodiment of a connector secondary locking mechanism is shown in fig. 1 to 5, and includes a plug housing 1 and a secondary locking structure 2 rotatably sleeved outside the plug housing 1, wherein the plug housing 1 is a circular plug outer housing and is adapted to the circular plug outer housing, and the secondary locking structure 2 is a circular ring-shaped structural member; one end of the plug shell 1, which is spliced with the socket shell, is used as the front end of the plug shell, the plug shell 1 is provided with a primary locking structure 3, and the socket shell 4 is provided with an adaptive locking structure which is axially locked and matched with the primary locking structure; in this embodiment, the adaptive locking structure is a key 41, the primary locking structure 3 includes a fixing portion 31 fixed on the plug housing, the fixing portion 31 extends toward the front end to form a lock catch portion 32 in an overhanging arrangement, the fixing portion 31 extends toward the rear end to form an unlocking portion 33 in an overhanging arrangement, the fixing portion 31, the lock catch portion 32 and the unlocking portion 33 are integrally formed, the lock catch portion and the unlocking portion are both of a sheet type structure, and a primary locking groove 321 which is in snap fit with the key 41 to realize primary locking of the head seat is formed on the lock catch portion 32; the fixing portion 31 has a torsion bar structure having a certain elastic distortion capability, so that when the unlocking portion 33 is radially pressed, the locking portion 32 at the other end can be radially outwardly tilted, and the axial locking relationship between the locking key 41 and the locking portion 32 is released.
Be equipped with axially extended locking shell fragment 21 on the secondary locking structure 2, be equipped with the protruding 211 of locking on the expansion end downside face of locking shell fragment 21, on the plug housing 1 along the axial seted up with the protruding complex circumference fixed slot 11 of locking, locking shell fragment 21 realizes with the cooperation of circumference fixed slot 11 that secondary locking structure and plug housing's circumference cooperation are fixed. The rear end of the circumferential fixing groove 11 is provided with a mounting groove 111 communicated with each other; when assembling the secondary locking structure on plug housing, aim at the mounting groove with the locking shell fragment earlier, the mounting groove plays the effect of guide installation, then promotes the secondary locking structure forward, makes locking shell fragment 21 move to in the circumference fixed slot 11 to realize the assembly of secondary locking structure and spacing for plug housing's circumference.
The plug housing 1 is provided with a secondary locking groove 12, and the secondary locking groove 12 is located at the front end of the primary locking structure. The plug shell 1 is provided with an axially extending limiting key 13, the secondary locking structure 2 is provided with a limiting sliding groove 22 which is in sliding fit with the limiting key 13 along the circumferential direction, and the limiting sliding groove 22 has a circumferential stopping and limiting effect on the limiting key 13 during rotation. The socket housing 4 is provided with a convex rib 42 extending axially, the convex rib 42 is used for being in pushing fit with the locking elastic sheet 21 in the plugging direction, so that the locking elastic sheet 21 is radially jacked up in the process that the plug housing 1 is inserted into the socket housing 4, the locking protrusion 211 of the locking elastic sheet is separated from the circumferential fixing groove 11, and the circumferential fixed fit relation between the secondary locking structure and the plug housing is released. Preferably, the inserting end of the socket housing 4 is the front end thereof, the front end of the rib 42 is provided with a guiding inclined surface 421, and the guiding inclined surface 421 is axially pushed and matched with the locking elastic sheet 21, so as to facilitate the gradual lifting of the locking elastic sheet 21.
Further, the secondary locking structure 2 is provided with an unlocking avoiding groove 23 which is arranged in a penetrating manner, and as the name suggests, the unlocking avoiding groove is used for providing an avoiding space when contacting with the locking function of the primary locking structure; the secondary locking structure portion where the locking spring 21 is located has a covering portion 24, and the unlocking avoiding groove 23 is located on one side of the circumferential direction of the covering portion 24. When the secondary locking structure 2 is in the unlocking position, the locking elastic sheet 21 is positioned in the circumferential fixing groove 11, and the primary locking structure 3 is opposite to the unlocking avoiding groove 23, namely the primary locking structure is in an exposed state; when the secondary locking structure is in the locking position, the covering part 24 can cover the whole primary locking structure 3, so that the primary locking structure is prevented from being pressed and unlocked.
Preferably, to facilitate the quick alignment and insertion of the header, at least one insertion guide key 43 extending in the insertion direction is provided on the receptacle housing 4, and correspondingly, the plug housing 1 is provided with a guide groove 14 slidably fitted to the insertion guide key 43 in the axial direction.
Preferably, in order to facilitate the secondary locking structure to rotate from the locking position to the unlocking position, an unlocking inclined surface 121 is arranged on one side of the secondary locking groove 12 in the radial direction, and the unlocking inclined surface 121 and the locking protrusion 211 of the locking elastic sheet are in mutual pushing fit when the secondary locking structure is unlocked and rotated, so that the movable end of the locking elastic sheet tilts and is separated from the secondary locking groove. In another embodiment, the unlocking inclined surface can be arranged on the side surface of the locking protrusion, or matched unlocking inclined surfaces can be arranged on the matching surfaces of the locking protrusion and the secondary locking groove.
The specific working principle of the invention is as follows:
when the plug and the socket are inserted in place, the locking part 32 in the primary locking structure is in snap fit with the locking key 41 on the socket shell 4, so that primary locking is realized; after the primary locking structure 3 is locked and takes effect, the locking elastic sheet 21 is contacted with the convex rib 42, because the locking elastic sheet 21 and the convex rib 42 are in interference push fit, the locking elastic sheet 21 is jacked up under the radial acting force of the convex rib 42, the locking protrusion 211 is separated from the circumferential fixing groove 11, the circumferential positioning of the secondary locking structure 2 fails at the moment, then the secondary locking structure 2 is rotated clockwise, when the secondary locking structure rotates to abut against the limit key 13, the secondary locking structure reaches a locking position, the locking elastic sheet 21 is positioned above the secondary locking groove 12, the locking elastic sheet 21 recovers elastic deformation, and the locking protrusion 211 falls into the secondary locking groove 12, so that the circumferential locking positioning of the secondary locking structure 2 and the plug shell 1 is realized; the secondary locking structure 2 covers the primary locking structure 3 at this time, that is, the covering part 24 covers the primary locking structure, and the primary locking structure cannot be pressed to be unlocked, so that the secondary locking function is realized.
When the plug and the socket are unlocked, the secondary locking structure is rotated anticlockwise, the locking elastic sheet 21 is screwed out of the secondary locking groove 12, and when the locking elastic sheet 21 falls into the circumferential fixing groove 11 after being rotated, the secondary locking structure 2 completes unlocking; at this time, the unlocking part is exposed outside by means of the unlocking avoiding groove, then the unlocking part 33 is pressed, the locking part 32 is separated from the locking key 41, the locking function of the primary locking structure is released, and finally the plug shell is pulled out, so that the headstock unlocking process can be completed.
In this embodiment, two primary locking structures are arranged on the plug housing, and correspondingly, two locking keys are arranged on the socket housing, so that a more stable headstock locking effect is realized. Two limiting sliding grooves are oppositely formed in the secondary locking structure, and two limiting keys are correspondingly arranged on the plug shell. However, the number of the one-time locking structures is not limited, and at least one locking structure is required.
In the embodiment, the primary locking groove is arranged on the locking part, and the corresponding locking key is arranged on the socket shell; in another embodiment, the lock key can be arranged at the lower side of the lock catch part, and the socket shell is provided with corresponding key slots, so that the primary locking function can be realized through the buckling fit among the key slots; or the locking part can be locked by matching the lock catch and the lock key without arranging a primary locking groove.
The connector locking structure can quickly and conveniently realize the secondary locking function of the connector, and can simultaneously cover the primary locking structure when the secondary locking structure is effective, so that the unlocking operation of the primary locking structure is prevented, and the stability and the concealment of the locking state are improved.
Example of plug:
the plug comprises a plug shell 1, a plug contact element assembled in the plug shell 1 and a secondary locking structure 2 rotatably sleeved outside the plug shell, the plug shell 1 is matched with the secondary locking structure 2 to form a connector secondary locking mechanism with a secondary locking function, and the connector secondary locking mechanism is the same as the embodiment of the connector secondary locking mechanism and is not repeated herein.
Embodiments of the connector assembly:
the connector assembly comprises a plug and a socket which are matched and spliced, the plug comprises a plug shell 1, a plug contact element assembled in the plug shell 1 and a secondary locking structure 2 rotatably sleeved outside the plug shell, the socket comprises a socket shell 4 and a socket contact element assembled in the socket shell, and when the head base is spliced, the plug contact element is in contact conduction with the socket contact element; the plug shell and the secondary locking structure form a secondary locking mechanism of the connector to realize a secondary locking function, and the secondary locking mechanism of the connector is completely the same as the embodiment of the secondary locking mechanism of the connector, and is not described again.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art can make any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the present invention without departing from the scope of the present invention, and still fall within the scope of the present invention.
Claims (10)
1. Connector secondary locking mechanism, its characterized in that: the plug comprises a plug shell (1) and a secondary locking structure (2) rotatably sleeved on the outer side of the plug shell, wherein a primary locking structure (3) which is matched with an adaptive locking structure on a socket shell (4) in a locking way to realize a primary locking function is arranged on the plug shell (1), a locking part (21) is arranged on the secondary locking structure (2), a circumferential fixing groove (11) and a secondary locking groove (12) are arranged on the plug shell (1), and the locking part (21) is matched with the circumferential fixing groove (11) in a buckling way to realize circumferential fixing of the secondary locking structure (2);
when the primary locking structure (1) is in a locking state, the locking part (21) is jacked up by a jacking element on the socket shell, the circumferential fixing of the secondary locking structure is failed at the moment, and then the secondary locking structure is rotated to enable the locking part (21) to fall into the secondary locking groove (12), so that the secondary locking function of the connector is realized.
2. The connector secondary locking mechanism of claim 1, wherein: primary locking structure (3) are including fixing fixed part (31) on plug housing, and fixed part (31) extend towards the front end direction and form lock catch portion (32) that the overhang set up, and lock catch portion (32) are used for with adaptation locking structure snap-fit, and fixed part (31) extend towards the rear end direction and form unlocking portion (33) that the overhang set up.
3. The connector secondary locking mechanism of claim 2, wherein: the lock catch part (32) is provided with a primary locking groove (321), and the adaptive locking structure is a locking key (41).
4. The connector secondary locking mechanism of claim 1 or 2, wherein: locking portion (21) are the locking shell fragment, be equipped with locking arch (211) on the expansion end downside face of locking shell fragment, the circumference location of secondary locking structure is realized in locking arch (211) and circumference fixed slot (11) cooperation, and when secondary locking structure (2) revolved to the locking position, this locking arch (211) fell into secondary locking groove (12) to restriction secondary locking structure's circumferential direction.
5. The connector secondary locking mechanism of claim 1 or 2, wherein: the plug shell is provided with a limit key (13) extending axially, and the secondary locking structure (2) is provided with a limit sliding chute (22) matched with the limit key (13) in a sliding manner along the circumferential direction; when the secondary locking structure (2) rotates to the limit sliding groove (22) to be abutted against the limit key (13), the secondary locking structure is considered to reach the locking position, and the locking part (21) is in locking fit with the secondary locking groove (12).
6. The connector secondary locking mechanism of claim 1 or 2, wherein: the secondary locking structure (2) is provided with an unlocking avoidance groove (23) which is arranged in a run-through manner; the secondary locking structure where the locking part (21) is located is provided with a covering part (24), and the unlocking avoidance groove (23) is located on one side of the circumferential direction of the covering part (24);
when the secondary locking structure is positioned at the unlocking position, the unlocking avoiding groove (23) is positioned above the primary locking structure (3), and the primary locking structure can be operated to relieve the primary locking function; when the secondary locking structure rotates to the locking position, the covering part (24) covers the primary locking structure (3), and the primary locking structure (3) cannot be operated to realize unlocking.
7. The connector secondary locking mechanism of claim 1 or 2, wherein: the pushing unit is a convex rib (42) which extends axially, a guide inclined plane (421) is arranged at the front end of the convex rib (42), and the guide inclined plane (421) is matched with the locking part (21) in a pushing mode along the axial direction, so that the locking part can be lifted up conveniently.
8. The connector secondary locking mechanism of claim 1 or 2, wherein: an unlocking inclined plane (121) is arranged on the secondary locking groove (12), and the unlocking inclined plane (121) and the locking part (21) are in pushing fit in the unlocking process of the secondary locking structure, so that the locking part (21) is smoothly lifted and separated from the secondary locking groove (12).
9. Plug, its characterized in that: a connector secondary locking mechanism comprising any one of claims 1 to 8.
10. Connector assembly, plug, socket including the adaptation is pegged graft, its characterized in that: the plug is provided with the connector secondary locking mechanism of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110819025.4A CN113629451B (en) | 2021-07-20 | 2021-07-20 | Connector secondary locking mechanism, plug and connector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110819025.4A CN113629451B (en) | 2021-07-20 | 2021-07-20 | Connector secondary locking mechanism, plug and connector assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113629451A true CN113629451A (en) | 2021-11-09 |
| CN113629451B CN113629451B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110819025.4A Active CN113629451B (en) | 2021-07-20 | 2021-07-20 | Connector secondary locking mechanism, plug and connector assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113629451B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114389109A (en) * | 2021-12-16 | 2022-04-22 | 安费诺科技(珠海)有限公司 | Rotatable plug matching structure |
| CN116690536A (en) * | 2023-05-24 | 2023-09-05 | 上海智元新创技术有限公司 | Robot hand quick change device and robot |
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| CN204517035U (en) * | 2015-03-02 | 2015-07-29 | 龙友科技（深圳）有限公司 | Secondary-locking push-pull connector |
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| CN116690536B (en) * | 2023-05-24 | 2024-05-03 | 上海智元新创技术有限公司 | Robot hand quick change device and robot |
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