CN113629451B - Connector secondary locking mechanism, plug and connector assembly - Google Patents
Connector secondary locking mechanism, plug and connector assembly Download PDFInfo
- Publication number
- CN113629451B CN113629451B CN202110819025.4A CN202110819025A CN113629451B CN 113629451 B CN113629451 B CN 113629451B CN 202110819025 A CN202110819025 A CN 202110819025A CN 113629451 B CN113629451 B CN 113629451B
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- locking
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- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 230000003044 adaptive effect Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
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 rotationally sleeved on the outer side of 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 snap fit with the circumferential fixing groove to realize circumferential fixation of the secondary locking structure; when the primary locking structure is in a locking state, the locking part is jacked up by the convex rib axially arranged on the socket shell, and at the moment, the secondary locking structure is circumferentially fixed and fails, so that the secondary locking structure is rotated to enable the locking part to fall into the secondary locking groove, and the secondary locking function of the connector is realized. The invention adopts a rotary locking mode to rapidly realize secondary locking operation under the condition of primary locking, and can cover a primary locking structure under the secondary locking state, thereby improving locking stability.
Description
Technical Field
The invention belongs to the technical field of connector locking, and particularly relates to a connector secondary locking mechanism, a plug and a connector assembly.
Background
Along with the popularization of new energy automobiles and the gradual improvement of requirements on electric automobiles, the requirements of all whole automobile factories on the high-voltage connectors for automobiles are also higher and higher, so that various automobile high-voltage connector manufacturers continuously send out products with novel structures and complete functions according to the improvement of requirements of new energy industries so as to keep pace with the industry steps of the fast-developing new energy automobiles.
At present, as the miniaturization and light weight requirements of all vehicle enterprises on the whole vehicle parts are continuously improved, the miniaturization design of the connector is important, the connector is provided with a secondary locking requirement for improving the connection reliability of the connector, and the product with the secondary locking structure is more rectangular, so that the whole connector is larger in product size and difficult to meet the miniaturization requirements of customers.
Disclosure of Invention
The invention aims to provide a connector secondary locking mechanism, a plug and a connector assembly, which adopt plug primary locking and rotary secondary locking, have ingenious structure, reduce the volume of the connector and realize quick and stable locking performance.
The invention aims at solving the technical problems by adopting the following technical scheme. The secondary locking mechanism of the connector comprises a plug shell and a secondary locking structure rotationally sleeved on the outer side of the plug shell, wherein the plug shell is provided with a primary locking structure which is in locking fit with an adaptive locking structure on a socket shell to realize a primary locking function, 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 snap 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 the pushing element on the socket shell, and at the moment, the secondary locking structure is fixed in the circumferential direction and fails, so that the secondary locking structure is rotated to enable the locking part to fall into the secondary locking groove, and the secondary locking function of the connector is realized.
Further, the primary locking structure comprises a fixing portion fixed on the plug housing, the fixing portion extends towards the front end to form a lock catch portion which is in overhanging arrangement, the lock catch portion is used for being in snap fit with the adaptive locking structure, and the fixing portion extends towards the rear end to form an unlocking portion which is in overhanging arrangement.
Further, a primary locking groove is formed in the locking portion, and the adaptive locking structure is a locking key.
Further, the locking portion is a locking elastic piece, a locking protrusion is arranged on the lower side face of the movable end of the locking elastic piece, the locking protrusion is matched with the circumferential fixing groove to achieve circumferential positioning of the secondary locking structure, and when the secondary locking structure is rotated to a locking position, the locking protrusion falls into the secondary locking groove, so that circumferential rotation of the secondary locking structure is limited.
Further, the plug shell is provided with an axially extending limit key, and the secondary locking structure is provided with a limit chute which is in sliding fit with the limit key along the circumferential direction; when the secondary locking structure rotates to the position that the limiting sliding groove is abutted with the limiting key, the locking position is considered to be reached, and the locking part is in locking fit with the secondary locking groove.
Further, an unlocking avoiding groove which is arranged in a penetrating way is formed in the secondary locking structure; the secondary locking structure where the locking part is positioned is provided with a covering part, and the unlocking avoiding groove is positioned at one circumferential side of the covering part;
when the secondary locking structure is in an unlocking position, the unlocking avoidance groove is positioned above the primary locking structure, and the primary locking structure can be operated at the moment to release 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.
Further, the pushing unit is a convex rib which is axially extended, the front end of the convex rib is provided with a guide inclined plane, and the guide inclined plane is matched with the locking part in an axial pushing way so as to be beneficial to lifting of the locking part.
Further, an unlocking inclined plane is arranged on the secondary locking groove, and the unlocking inclined plane is in pushing fit with the locking part in the unlocking process of the secondary locking structure, so that the locking part is lifted up smoothly and separated from the secondary locking groove.
The invention also provides a plug which comprises the connector secondary locking mechanism.
The invention also provides a connector assembly, which comprises a plug and a socket which are in fit connection, wherein the plug comprises any connector secondary locking mechanism.
By means of the technical scheme, the novel secondary locking mechanism of the high-voltage connector is designed, wherein the secondary locking structure is circumferentially matched and fixed with the circumferential fixing groove on the plug shell through the locking elastic piece, after the secondary locking structure is inserted into the socket, the primary locking structure is locked and effective, the secondary locking structure is in contact with the convex ribs and jacks up the locking elastic piece under the action of the convex ribs, so that the secondary locking structure is circumferentially fixed and fails, the secondary locking structure can be rotated clockwise, when the secondary locking structure is rotated to the limit key of the plug shell, the locking elastic piece falls into the secondary locking groove and covers the primary locking structure, so that 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 present invention, and is intended to be implemented in accordance with the teachings of the present invention, as well as the preferred embodiments thereof, together with the following detailed description of the invention given in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a perspective view of a secondary locking structure according to the present invention.
Fig. 2 is a schematic structural view of a plug housing according to the present invention.
Fig. 3 is a schematic structural view of a socket housing according to the present invention.
Fig. 4 is a diagram showing the cooperation between the locking spring and the rib when the primary locking structure is in the locked state.
Fig. 5 is a state diagram of the secondary locking structure rotated to the locking position to realize the plug-in locking of the headstock in the present invention.
Reference numerals illustrate:
1-a plug housing; 11-a circumferential fixing groove; 111-mounting slots; 12-a secondary locking groove; 121-unlocking the inclined plane; 13-a limit key; 2-a secondary locking structure; 21-locking spring pieces; 211: a locking protrusion; 22-limiting sliding grooves; 23-unlocking the avoidance groove; 24-covering part; 3-a primary locking structure; 31-a fixing part; 32-a latch part; 33-an unlocking part; 4-a socket housing; 41-locking key; 42-convex ribs; 421-guide ramp.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the attached drawings and the preferred embodiments.
The embodiment of the connector secondary locking mechanism, as shown in fig. 1 to 5, comprises a plug housing 1 and a secondary locking structure 2 rotatably sleeved outside the plug housing 1, wherein the plug housing 1 is a round plug outer housing and is matched with the round plug outer housing, and the secondary locking structure 2 is a circular structural member; the front end of the plug housing is used as one end of the plug housing 1, which is spliced with the socket housing, the plug housing 1 is provided with a primary locking structure 3, and the socket housing 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 locking key 41, the primary locking structure 3 includes a fixing portion 31 fixed on the plug housing, the fixing portion 31 extends in a front end direction to form a overhanging locking portion 32, the fixing portion 31 extends in a rear end direction to form an overhanging unlocking portion 33, the fixing portion 31, the locking portion 32 and the unlocking portion 33 are integrally formed, the locking portion and the unlocking portion are all in a sheet structure, and a primary locking groove 321 which is in snap fit with the locking key 41 to realize primary locking of the header is provided on the locking portion 32; the fixing portion 31 has a torsion bar structure having a certain elastic deformation capability, so that when the unlocking portion 33 is pressed radially, the locking portion 32 at the other end can be tilted radially outward, and the axial locking relationship between the locking key 41 and the locking portion 32 is released.
The secondary locking structure 2 is provided with an axially extending locking spring piece 21, the lower side face of the movable end of the locking spring piece 21 is provided with a locking protrusion 211, the plug housing 1 is provided with a circumferential fixing groove 11 matched with the locking protrusion along the axial direction, and the locking spring piece 21 is matched with the circumferential fixing groove 11 to realize the circumferential matching and fixing of the secondary locking structure and the plug housing. The rear end of the circumferential fixing groove 11 is provided with a mounting groove 111 which is communicated with the circumferential fixing groove; when the secondary locking structure is assembled on the plug shell, the locking elastic sheet is aligned to the mounting groove, the mounting groove plays a role in guiding and mounting, and then the secondary locking structure is pushed forward, so that the locking elastic sheet 21 moves into the circumferential fixing groove 11, and the assembly of the secondary locking structure and the circumferential limiting of the plug shell are realized.
The plug shell 1 is provided with a secondary locking groove 12, and the secondary locking groove 12 is positioned at the front end of the primary locking structure. The plug shell 1 is provided with an axially extending limit key 13, the secondary locking structure 2 is provided with a limit chute 22 which is in sliding fit with the limit key 13 along the circumferential direction, and the limit chute 22 has a circumferential stop limit function when rotating the limit key 13. The socket shell 4 is provided with an axially extending convex rib 42, and the convex rib 42 is used for being in pushing fit with the locking elastic piece 21 in the inserting direction, so that the locking elastic piece 21 is radially jacked up in the process of inserting the plug shell 1 into the socket shell 4, at the moment, the locking protrusion 211 of the locking elastic piece is separated from the circumferential fixing groove 11, and the circumferential fixing fit relation between the secondary locking structure and the plug shell is released. Preferably, the front end of the protruding rib 42 is provided with a guiding inclined plane 421, and the guiding inclined plane 421 is axially pushed to cooperate with the locking spring 21, so as to facilitate the gradual lifting of the locking spring 21.
Further, an unlocking avoidance groove 23 is formed in the secondary locking structure 2, and the unlocking avoidance groove is used for providing avoidance space when contacting the locking function of the primary locking structure as the name implies; the secondary locking structure part where the locking spring piece 21 is located is provided with a covering part 24, and the unlocking avoiding groove 23 is located at one circumferential side of the covering part 24. When the secondary locking structure 2 is in an unlocking position, the locking elastic piece 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 portion 24 can cover the primary locking structure 3 as a whole, so as to prevent the primary locking structure from being pressed and unlocked.
Preferably, in order to facilitate the rapid alignment and plugging of the header, at least one plugging guide key 43 extending along the plugging direction is provided on the socket housing 4, and correspondingly, a guide groove 14 which is in sliding fit with the plugging guide key 43 along the axial direction is provided on the plug housing 1.
Preferably, in order to facilitate the rotation of the secondary locking structure from the locking position to the unlocking position, an unlocking inclined plane 121 is disposed on one radial side of the secondary locking groove 12, and the unlocking inclined plane 121 and the locking protrusion 211 of the locking spring sheet are mutually pushed to cooperate when the secondary locking structure is unlocked and rotated, so that the movable end of the locking spring sheet is tilted and separated from the secondary locking groove. In another embodiment, the unlocking inclined plane can be arranged on the side surface of the locking protrusion, or matched unlocking inclined planes are 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 effective, the locking elastic piece 21 is in contact with the convex rib 42, and because the two are in interference pushing fit, the locking elastic piece 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, at the moment, the circumferential positioning of the secondary locking structure 2 fails, then the secondary locking structure 2 is rotated clockwise, when the secondary locking structure 2 is rotated to be abutted with the limit key 13, the locking elastic piece 21 is regarded as reaching the locking position, the locking elastic piece 21 is positioned above the secondary locking groove 12, the locking elastic piece 21 is restored to be elastically deformed, 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; at this time, the secondary locking structure 2 is covered on the primary locking structure 3, that is, the covering portion 24 covers the primary locking structure, and cannot press and unlock the primary locking structure, so as to realize the secondary locking function.
When the plug and the socket are unlocked, the secondary locking structure is rotated anticlockwise, the locking elastic piece 21 is screwed out of the secondary locking groove 12, and when the locking elastic piece 21 falls into the circumferential fixing groove 11 after rotating, the secondary locking structure 2 is unlocked; at this time, the unlocking part is exposed to the outside by means of the unlocking avoidance 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 unlocking process of the head seat can be completed.
In this embodiment, two primary locking structures are oppositely arranged on the plug housing, and correspondingly, two locking keys are oppositely arranged on the socket housing, so that a more stable locking effect of the head seat is realized. Two limit sliding grooves are oppositely arranged on the secondary locking structure, and two limit keys are correspondingly arranged on the plug shell. However, the invention does not limit the number of the primary locking structures, and at least one primary locking structure is needed.
In the embodiment, a primary locking groove is formed in the locking part, and a corresponding locking key is arranged on the socket shell; in another embodiment, the locking key may be disposed at the lower side of the locking portion, and the socket housing is provided with corresponding key grooves, so that the primary locking function may be achieved through the snap fit between the key grooves; or the locking part does not need to be provided with a primary locking groove, and the locking is realized through the matching of the lock catch and the locking key.
The connector locking structure designed by the invention can realize the secondary locking function of the connector quickly and conveniently, and can cover the primary locking structure at the same time when the secondary locking structure takes effect, so that the unlocking operation of the primary locking structure is prevented, and the stability and concealment of the locking state are improved.
Embodiments of the plug:
the plug includes plug housing 1, assembles in plug contact spare and the rotation suit in plug housing outside secondary locking structure 2 in plug housing 1, and plug housing 1 cooperation secondary locking structure 2 has formed the connector secondary locking mechanism who realizes the secondary locking function, and this connector secondary locking mechanism is the same with above-mentioned connector secondary locking mechanism's embodiment, and the description is omitted here again.
Embodiments of the connector assembly:
the connector assembly comprises a plug and a socket which are in adaptive plug connection, wherein the plug comprises a plug shell 1, a plug contact piece assembled in the plug shell 1 and a secondary locking structure 2 rotationally sleeved on the outer side of the plug shell, the socket comprises a socket shell 4 and a socket contact piece assembled in the socket shell, and when the socket is plugged, the plug contact piece is in contact conduction with the socket contact piece; the plug shell and the secondary locking structure form a connector secondary locking mechanism to realize the secondary locking function, and the connector secondary locking mechanism is identical to the embodiment of the connector secondary locking mechanism and is not repeated here.
The above description is only of the preferred embodiments of the present invention, and any simple modification, equivalent variation and modification of the above embodiments according to the technical principles of the present invention will still fall within the scope of the technical solutions of the present invention.
Claims (9)
1. Connector secondary locking mechanism, its characterized in that: the plug comprises a plug shell (1) and a secondary locking structure (2) rotationally sleeved on the outer side of the plug shell, wherein the plug shell (1) is provided with a primary locking structure (3) which is matched with an adaptive locking structure on a socket shell (4) in a locking manner to realize a primary locking function, the secondary locking structure (2) is provided with a locking part (21), the plug shell (1) is provided with a circumferential fixing groove (11) and a secondary locking groove (12), and the locking part (21) is matched with the circumferential fixing groove (11) in a buckling manner 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 pushing element on the socket shell, at the moment, the secondary locking structure is fixed and fails circumferentially, and then the secondary locking structure is rotated to enable the locking part (21) to fall into the secondary locking groove (12), and at the moment, the secondary locking structure covers the primary locking structure, so that the secondary locking function of the connector is realized;
the plug shell is provided with an axially extending limit key (13), and the secondary locking structure (2) is provided with a limit chute (22) which is in sliding fit with the limit key (13) along the circumferential direction; when the secondary locking structure (2) rotates to the position that the limit sliding groove (22) is abutted with the limit key (13), the locking position is considered to be reached, and the locking part (21) is in locking fit with the secondary locking groove (12).
2. The connector secondary locking mechanism of claim 1, wherein: the primary locking structure (3) comprises a fixing portion (31) fixed on the plug shell, the fixing portion (31) extends towards the front end to form a locking portion (32) which is in overhanging arrangement, the locking portion (32) is used for being in snap fit with the adaptive locking structure, and the fixing portion (31) extends towards the rear end to form an unlocking portion (33) which is in overhanging arrangement.
3. The connector secondary locking mechanism of claim 2, wherein: the locking 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 according to claim 1 or 2, wherein: the locking part (21) is a locking elastic piece, a locking protrusion (211) is arranged on the lower side face of the movable end of the locking elastic piece, the locking protrusion (211) is matched with the circumferential fixing groove (11) to realize circumferential positioning of the secondary locking structure, and when the secondary locking structure (2) is rotated to a locking position, the locking protrusion (211) falls into the secondary locking groove (12), so that circumferential rotation of the secondary locking structure is limited.
5. The connector secondary locking mechanism according to claim 1 or 2, wherein: an unlocking avoiding groove (23) which is arranged in a penetrating way is formed in the secondary locking structure (2); 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 positioned at one circumferential side of the covering part (24);
when the secondary locking structure is in an unlocking position, the unlocking avoidance groove (23) is positioned above the primary locking structure (3), and the primary locking structure can be operated at the moment to release 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 at the moment, the primary locking structure (3) cannot be operated to realize unlocking.
6. The connector secondary locking mechanism according to claim 1 or 2, wherein: the pushing element is a convex rib (42) which is axially extended, the front end of the convex rib (42) is provided with a guide inclined surface (421), and the guide inclined surface (421) is matched with the locking part (21) in an axial pushing way so as to be beneficial to lifting of the locking part.
7. The connector secondary locking mechanism according to claim 1 or 2, wherein: the secondary locking groove (12) is provided with an unlocking inclined plane (121), and the unlocking inclined plane (121) is in pushing fit with the locking part (21) 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).
8. The plug is characterized in that: comprising the connector secondary locking mechanism of any one of claims 1 to 7.
9. Connector assembly, plug, socket including the adaptation grafting, its characterized in that: the plug is provided with the connector secondary locking mechanism as claimed in any one of claims 1 to 7.
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 CN113629451A (en) | 2021-11-09 |
| CN113629451B true 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 |
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| CN (1) | CN113629451B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114389109B (en) * | 2021-12-16 | 2024-03-12 | 安费诺科技(珠海)有限公司 | Rotatable plug cooperation structure |
| 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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| CN113629451A (en) | 2021-11-09 |
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