CN110690612B - Misplug-proof electric connector assembly - Google Patents
Misplug-proof electric connector assembly Download PDFInfo
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- CN110690612B CN110690612B CN201910934453.4A CN201910934453A CN110690612B CN 110690612 B CN110690612 B CN 110690612B CN 201910934453 A CN201910934453 A CN 201910934453A CN 110690612 B CN110690612 B CN 110690612B
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- plug
- socket
- bush
- housing
- groove
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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
- H01R13/46—Bases; Cases
- H01R13/465—Identification means, e.g. labels, tags, markings
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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
- H01R13/64—Means for preventing incorrect coupling
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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
- H01R24/005—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure requiring successive relative motions to complete the coupling, e.g. bayonet type
Abstract
An anti-misplug electric connector assembly comprises a plug and a socket, wherein the socket comprises a socket shell, a socket bush and a socket inner core, the socket bush and the socket inner core are inserted into the socket shell, the plug comprises a plug shell, a plug bush and a plug inner core, the plug bush and the socket inner core are inserted into the plug shell, and a connecting nut is sleeved outside the plug shell and screwed on the socket shell; the plug and socket shell of the application have good universality.
Description
Technical Field
The present invention relates to the field of electrical connectors, and more particularly, to an electrical connector assembly with an electrical connector.
Background
Fool-proof and misplug-proof of the traditional connector assembly generally adopt fool-proof grooves and fool-proof blocks to perform misplug-proof operation. However, in some industrial applications, the connector has a relatively more strict standard definition, for example, the GJB598 and the GJB599 standards specify 5 positioning keys for the plug and the socket to ensure the precise matching of the connectors. Meanwhile, inner cores inserted with a plurality of butt-joint terminals are respectively fixed in the plug and the socket, one inner core structure can only match one shell, and under different market requirements, the matching of the butt-joint terminals can be changed, so that the existing shell and inner core are not universal, and great waste is caused. Meanwhile, the plug also comprises a connecting nut sleeved outside the plug shell, and after the plug is connected with the socket through the connecting nut, no further stopping measure exists, so that the threaded connection is easy to loosen due to external forces such as vibration and the like; or the connection process is threaded on the screw thread and is prevented not to be loose, so that the screw thread is firstly damaged to open when the connection is required to be opened, and meanwhile, the fragments with the screw thread glue are left in the connector to cause hidden troubles.
Disclosure of Invention
In view of the above, it is desirable to provide an electrical connector assembly with a plug housing and a receptacle housing that are adaptable to different connection specifications.
In order to solve the technical problem, the application provides an electrical connector assembly capable of preventing misplug, which comprises a plug and a socket, wherein the socket comprises a socket shell, a socket bush and a socket inner core, the socket bush and the socket inner core are inserted into the socket shell, the plug comprises a plug shell, a plug bush, a plug inner core and a connecting nut, the plug bush and the socket bush are inserted into the plug shell, the plug bush and the socket bush respectively comprise a head part, a plurality of convex blocks which are uniformly distributed and are formed by radially protruding the periphery of the head part, an orientation groove formed between the convex blocks and a semicircular part which is formed by extending the head part backwards to form a staggered design, the plug inner core and the periphery of the socket inner core are respectively provided with a positioning groove, the inner wall surface of the plug shell is provided with a plug locking block which is used for positioning the positioning groove of the plug inner core and the orientation groove of the plug, the socket comprises a socket shell and is characterized in that a socket locking block for positioning a positioning groove of the socket inner core and a directional groove of the socket bush is arranged on the inner wall surface of the socket shell, when the directional grooves corresponding to each other of the plug bush and the socket bush are located at corresponding positions, the semicircular parts of the plug bush and the socket bush are in mutual staggered fit to enable the plug to be butted with the socket, when the directional grooves of the plug bush and the socket bush are not located at corresponding positions, at least partial positions of the semicircular parts of the plug bush and the socket bush are overlapped and abutted, and the plug and the socket cannot be plugged.
Preferably, the plug housing comprises a step part, plug butt joint parts and plug connecting parts formed at the front end and the rear end of the step part, and a plug cavity formed by penetrating through the plug housing, and five positioning keys are arranged on the periphery of the plug connecting part; the socket shell comprises a fixed plate part, a socket connecting part and a socket butt-joint part which are formed by respectively extending the front end and the rear end of the fixed plate part, and a socket cavity which penetrates through the socket shell, wherein five key grooves which are matched and positioned with positioning keys on the outer surface of the plug connecting part are arranged on the inner wall surface of the socket connecting part.
Preferably, a first resisting part is arranged on the inner wall surface of the plug cavity at a position close to the step part, a second resisting part is arranged at one end, located at the plug connecting part, of the plug cavity, a second clamp spring groove is arranged in front of the second resisting part, and the plug locking block is arranged on the inner wall surface of the plug cavity and located between the first resisting part and the second resisting part.
Preferably, the plug core includes a base portion, a first connector and a first pair of connectors respectively extending from two ends of the base portion, and a plurality of plug terminal holes provided in the plug core, the outer diameter of the base portion is larger than the outer diameters of the first connector and the first pair of connectors, and the plug locking block is provided on the outer surface of the base portion.
Preferably, during assembly, the plug bush is inserted from one end of the plug butting portion of the plug housing, the plurality of bumps on the head portion of the plug bush are limited on the first resisting portion of the plug housing, the semicircular portion extends into the plug connecting portion, and a predetermined positioning groove of the plug bush is positioned on the plug locking block; and inserting the plug inner core from the front end of the plug outer shell, wherein the first connector of the plug inner core penetrates through the head part of the plug bush and then is positioned in the semicircular part, the positioning groove of the plug inner core is aligned with the plug locking block and locked, so that the positioning groove of the plug inner core is aligned with the preset positioning groove of the plug bush, and finally, a retaining ring is buckled into a second clamp spring groove in the plug outer shell to be fixed, so that the plug inner core cannot withdraw.
Preferably, a first retaining ring is arranged on the inner wall surface of the socket connecting part, which is close to the fixing plate part, a second retaining ring is arranged on the inner wall surface of the socket butt-joint part, a clamping groove is arranged on the outer side of the second retaining ring, and the socket locking block is positioned between the first retaining ring and the second retaining ring.
Preferably, the socket inner core comprises a main body part, a second connector and a second pair of connectors, wherein the second connector and the second pair of connectors are formed by respectively extending from two ends of the main body part and are butted with the first connector, and a plurality of socket terminal holes are formed in the socket inner core, the outer diameter of the main body part is larger than the outer diameters of the second connector and the second pair of connectors, and the positioning groove of the socket inner core is formed in the periphery of the main body part.
Preferably, during assembly, the socket bush is inserted into the socket housing from the socket butt joint portion until the projection of the socket bush is limited and abutted against the first stop ring in the socket housing, then the socket inner core is inserted from the socket butt joint portion, so that the socket connecting portion of the socket inner core is sleeved into the head portion of the socket bush, the end edge of the main body portion of the socket inner core is abutted against the second stop ring, finally, a snap spring is clamped into the clamping groove of the socket housing to limit the socket inner core, and a predetermined orientation groove of the socket bush is matched with the positioning groove of the socket inner core to be limited on the socket locking block in the socket housing.
Preferably, the outer surface of the plug butt joint part is provided with a plurality of spring plate grooves and a first clamp spring groove at a position close to the step part, the connecting nut comprises an annular shell, a sleeve cavity communicated with the annular shell and a limiting convex part arranged at the front end of the inner surface of the annular shell, the rear end of the inner surface of the annular shell is provided with a thread structure, the inner surface of the limiting convex part is provided with a plurality of arc grooves, spring plates clamped between the spring plate grooves and the inner wall surface of the connecting nut are arranged in the spring plate grooves, and each spring plate comprises an arc convex part and supporting feet formed at two ends of the arc convex part.
Preferably, when the connection nut is assembled, the connection nut is firstly sleeved into the periphery of the plug housing from the front end until the limit convex part of the connection nut abuts against the step part in the plug housing, the connection nut is rotated to enable the arc-shaped groove on the limit convex part of the connection nut to be aligned with the spring plate groove on the plug housing, the spring plate is arranged in a space between the arc-shaped groove and the spring plate groove, then a gasket is sleeved into the front end of the connection nut, and finally the baffle ring is fixed in the first clamp spring groove of the plug housing to limit the connection nut from withdrawing.
The plug bush and the socket bush are provided with numbers, and only when the preset numbers correspond to the preset numbers, the two semicircular parts of the plug bush and the socket bush are in staggered fit with each other, so that the plug and the socket are in butt joint and insertion joint; and when the preset numbers are not consistent, the two semicircular parts are overlapped and collided with each other, so that the plug and the socket cannot be inserted oppositely. Except the key position with the cooperation in key position groove, the rethread plug and socket bush fix a position and prevent misplug, so, when need different plug and socket inner core in different occasions, only need change plug and socket inner core can, and make plug and socket shell realize generally, have greatly reduced the maintenance cost, just plug, socket shell all adopt metal working to form, and the cost is higher.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application.
Fig. 1 is a perspective assembly view of an electrical connector assembly of the present application;
FIG. 2 is an exploded perspective view of the plug of the present application;
FIG. 3 is a cross-sectional view of the plug housing and coupling nut of the present application;
FIG. 4 is an exploded perspective view of the socket of the present application;
FIG. 5 is a cross-sectional view of a jack housing according to the present application;
FIG. 6 is a perspective assembled view of the electrical connector assembly of the present application with the plug housing and the receptacle housing removed;
figure 7 is a cross-sectional view of the plug housing and coupling nut of the plug of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings.
Referring to fig. 1, an electrical connector assembly of the present application includes a plug a and a socket B integrally connected to the plug a. The X direction is set as the front, the transverse direction of the Y direction, and the Z direction is set as the vertical direction.
Referring to fig. 2, 3, 6 and 7, the plug a includes a plug housing 10, a plug inner core 20 and a plug bush 30 inserted into the plug housing 10, a connection nut 40 disposed outside the plug housing 10, and a resilient piece 14 clamped between the plug housing 10 and the connection nut 40.
The plug housing 10 includes a stepped portion 11 located in the middle, plug mating portions 12 and plug connecting portions 13 formed at front and rear ends of the stepped portion 11, and a plug cavity 15 formed to penetrate the plug housing 10. The periphery of plug connecting portion 13 is equipped with a plurality of navigation key 131, navigation key 131's quantity is 5. A plurality of spring slots 123 and a first clamp spring slot 124 are arranged on the outer surface of the plug butting portion 12 near the step portion 11, and the first clamp spring slot 124 is communicated with the spring slots 123. A first resisting portion 125 is arranged on the inner wall surface of the plug cavity 15 at a position close to the step portion 11, a second resisting portion 126 is arranged at one end, located at the plug connecting portion 13, of the plug cavity 15, and a second clamp spring groove 121 is arranged in front of the second resisting portion 126. A plug locking block 122 is disposed on the inner wall surface of the plug cavity 15 between the first and second abutting portions 125, 126, and the plug locking block 122 extends in the length direction of the plug housing 10.
The plug core 20 includes a base portion 21, a first connector 22 and a first pair of connectors 25 formed by extending from both ends of the base portion 21, and a plurality of plug terminal holes 23 provided in the plug core 20. The base portion 21 has an outer diameter larger than the outer diameters of the first connector 22 and the first counter connector 25, and a positioning groove 24 is provided on the outer periphery of the base portion 21 in the longitudinal direction.
The plug bush 30 includes a head 31, a plurality of projections 32 formed on the outer periphery of the head 31, a plurality of orientation grooves 33 formed between the projections 32, and a semicircular portion 34 formed to extend rearward from the rear end of the head 31. The orientation slots 33 are provided with a plurality of structures which are uniformly distributed, such as 6, 12, 24 and the like, according to the requirement.
The coupling nut 40 includes an annular housing 41, a housing cavity 42 formed through the annular housing 41, and a limit protrusion 43 provided at a front end of an inner surface of the annular housing 41. The rear end of the inner surface of the annular housing 41 is provided with a thread structure. The inner surface of the limit convex part 43 is provided with a plurality of arc-shaped grooves 44.
The elastic sheet 14 includes an arc-shaped protrusion 141 and supporting legs 142 formed at two ends of the arc-shaped protrusion 141. The spring 14 is disposed in the spring groove 123 of the plug housing 10, the supporting leg 142 is attached to the surface of the spring groove 123, and a gap is formed between the arc-shaped protrusion 141 and the spring groove 123 to enable the arc-shaped protrusion 141 to have an elastic force.
The connecting nut 40 is sleeved from the front end of the plug housing 10, the rear end of the connecting nut 40 crosses the step portion 11 of the plug housing 10 to reach the outside of the plug connecting portion 13, the limiting convex portion 43 is limited with the step portion 11, so that the front end of the connecting nut 40 is limited at one end of the plug abutting portion 12, the inner wall surface of the connecting nut 40 is in pressure joint with the upper portion of the arc-shaped convex portion 141 of the elastic piece 14, and the elastic piece 14 applies elastic force to the connecting nut 40 to achieve certain holding force. After the connecting nut 40 is sleeved, a washer 46 and a clamp spring 45 are sleeved, and the clamp spring 45 is fixed in the first clamp spring groove 124 to limit the connecting nut 40 to withdraw.
During assembly, the plug bush 30 is inserted from one end of the plug mating portion 12 of the plug housing 10, the plurality of protrusions 32 of the head portion 31 of the plug bush 30 are limited on the first resisting portion 125 of the plug housing 10, the semicircular portion 34 extends into the plug connecting portion 13, and a predetermined positioning groove 33 of the plug bush 30 is positioned on the plug locking block 122; the plug core 20 is inserted from the front end of the plug housing 10, the first connector 22 of the plug core 20 passes through the head 31 of the plug bush 30 and then is located in the semicircular portion 34, the positioning groove 24 is aligned with the plug locking block 122 for locking, so that the positioning groove 24 of the plug core 20 is aligned with the predetermined positioning groove 33 of the plug bush 30, and then a retainer ring 35 is buckled into the second clamp spring groove 121 in the plug housing 10 for fixing, so that the plug core 20 cannot be withdrawn.
When the connection nut 40 is assembled, the connection nut 40 is firstly sleeved into the periphery of the plug housing 10 from the front end until the limit convex portion 43 of the connection nut 40 abuts against the step portion 11 in the plug housing 10, the connection nut 40 is rotated to align the arc-shaped groove 44 on the limit convex portion 43 of the connection nut 40 with the spring plate groove 123 on the plug housing 10, the spring plate 14 is placed into the space between the arc-shaped groove 44 and the spring plate groove 123, the gasket 46 is sleeved into the front end of the connection nut 40, and finally the retaining ring 45 is fixed in the first spring clamping groove 124 of the plug housing 10 to limit the connection nut 40 from withdrawing.
The number of the arc-shaped grooves 44 is twice that of the spring pieces 14, when the connecting nut 40 rotates to a position where the spring pieces 14 are located at the limiting convex parts 43 except the arc-shaped grooves 44, the limiting convex parts 43 are in compression joint with the spring pieces 14 and force the spring pieces 14 to deform so that the spring pieces 14 provide elastic force for the connecting nut 40, and the connecting nut 40 is prevented from being loosened under the impact of external force.
Referring to fig. 4 and 5, the socket B includes a socket housing 50, a socket core 60 assembled into the socket housing 50, and a socket bush 70.
The socket housing 50 includes a fixing plate 51, a socket connecting portion 53 and a socket mating portion 52 formed by extending from front and rear ends of the fixing plate 51, and a socket cavity 57 penetrating the socket housing 50. A first retaining ring 54 is arranged on the inner wall surface of the socket connecting portion 53 at a position close to the fixed plate portion 51, a second retaining ring 58 is arranged on the inner wall surface of the socket abutting portion 52, and a clamping groove 59 is arranged outside the second retaining ring 58. A receptacle lock 55 extending in the front-rear direction is provided on the inner wall surface of the receptacle housing 50 between the first and second retainers 54, 58. A plurality of key grooves 56 which are matched and positioned with the positioning keys 131 on the outer surface of the plug connecting part 13 are arranged on the inner wall surface of the socket connecting part 53.
The structure of the socket core 60 is the same as that of the plug core 20, and includes a main body 61, a second connector 62 and a second pair of connectors 65 formed by extending from two ends of the main body 61 respectively and butted with the first connector 22, and a plurality of socket terminal holes 63 formed in the socket core 20. The outer diameter of the main body 61 is larger than the outer diameters of the second connector 62 and the second pair of connectors 65, and a positioning groove 64 is formed on the outer periphery of the main body 61 in the longitudinal direction.
The socket bush 70 has a structure identical to that of the plug bush 30, and includes a head 71, a plurality of protrusions 72 formed on the outer circumference of the head 71, a plurality of orientation grooves 73 formed between the protrusions 72, and a semicircular portion 74 formed by extending rearward from the rear end of the head 71. The orientation slots 73 are provided with a plurality of structures which are uniformly distributed, such as 6, 12, 24, etc., according to the requirement.
During assembly, the socket bush 70 is inserted into the socket housing 50 from the socket abutting portion 52 until the bump 72 of the socket bush 70 is limited and abutted against the first retaining ring 54 in the socket housing 50, the socket core 60 is inserted from the socket abutting portion 52, the socket connecting portion 62 of the socket core 60 is sleeved into the head portion 71 of the socket bush 70, the end edge of the main body portion 61 of the socket core 60 is abutted against the second retaining ring 58, and finally, one snap spring 75 is clamped into the clamping groove 59 of the socket housing 50 to limit the socket core 60. The socket bush 70 is retained on the socket locking block 55 in the socket housing 50 by a predetermined orientation groove 73 which is engaged with the positioning groove 64 of the socket core 60.
Referring to fig. 2, 4 and 6, in an implementation, the plug bush 30 and the socket bush 70 are provided with numbers, and only when the predetermined numbers correspond to each other, the two semicircular portions 34, 74 of the plug bush 30 and the socket bush 70 are in a mutual mismatch fit, so that the plug a and the socket B are in butt-joint engagement; when the predetermined numbers are not consistent, the two semicircular parts 34 and 74 are overlapped and collided with each other, so that the plug A and the socket B cannot be inserted into each other. Except for the matching of the key 131 and the key slot 56, the plug and socket bushes 30, 70 are positioned to prevent misplugging. Therefore, when different plug and socket inner cores 20 and 60 are needed in different occasions, only the plug and socket inner cores 20 and 60 need to be replaced, the plug and socket shells 10 and 50 are universal, the maintenance cost is greatly reduced, and the plug and socket shells 10 and 50 are made of metal, so that the cost is high.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. An anti-misplug electric connector assembly comprises a plug and a socket, and is characterized in that the socket comprises a socket shell, a socket bush and a socket inner core which are inserted in the socket shell, the plug comprises a plug shell, a plug bush and a plug inner core which are inserted in the plug shell, and a connecting nut which is sleeved outside the plug shell and screwed on the socket shell, the plug bush and the socket bush respectively comprise a head, a plurality of lugs which are uniformly distributed and radially protrude from the periphery of the head, a directional groove which is formed between the lugs, and a semicircular part which extends backwards from the head and is in a staggered design, positioning grooves are formed in the peripheries of the plug inner core and the socket inner core, and a plug locking block which is used for positioning the positioning grooves of the plug inner core and the directional groove of the plug bush is arranged on the inner wall surface of the plug shell, the socket comprises a socket shell and is characterized in that a socket locking block for positioning a positioning groove of the socket inner core and a directional groove of the socket bush is arranged on the inner wall surface of the socket shell, when the directional grooves corresponding to each other of the plug bush and the socket bush are located at corresponding positions, the semicircular parts of the plug bush and the socket bush are in mutual staggered fit to enable the plug to be butted with the socket, when the directional grooves of the plug bush and the socket bush are not located at corresponding positions, at least partial positions of the semicircular parts of the plug bush and the socket bush are overlapped and abutted, and the plug and the socket cannot be plugged.
2. The electrical connector assembly as claimed in claim 1, wherein the plug housing comprises a step portion, plug mating portions and plug connecting portions formed at front and rear ends of the step portion, and a plug cavity formed through the plug housing, wherein five positioning keys are arranged on the periphery of the plug connecting portion; the socket shell comprises a fixed plate part, a socket connecting part and a socket butt-joint part which are formed by respectively extending the front end and the rear end of the fixed plate part, and a socket cavity which penetrates through the socket shell, wherein five key grooves which are matched and positioned with positioning keys on the outer surface of the plug connecting part are arranged on the inner wall surface of the socket connecting part.
3. The electrical connector assembly as claimed in claim 2, wherein a first abutting portion is disposed on an inner wall surface of the plug cavity at a position close to the step portion, a second abutting portion is disposed at an end of the plug cavity at the plug connecting portion, a second snap spring groove is disposed in front of the second abutting portion, and the plug locking block is disposed on the inner wall surface of the plug cavity and between the first abutting portion and the second abutting portion.
4. The electrical connector assembly of claim 3, wherein the plug core comprises a base portion, a first connector and a first pair of connectors extending from two ends of the base portion, and a plurality of plug terminal holes formed in the plug core, wherein the outer diameter of the base portion is larger than the outer diameters of the first connector and the first pair of connectors, and the plug locking block is disposed on the outer surface of the base portion.
5. The misplug-proof electrical connector assembly of claim 4, wherein during assembly, the plug bush is inserted from one end of the plug butting portion of the plug housing, the plurality of projections on the head portion of the plug bush are limited on the first resisting portion of the plug housing, the semicircular portion extends into the plug connecting portion, and a predetermined positioning groove of the plug bush is positioned on the plug locking block; and inserting the plug inner core from the front end of the plug outer shell, wherein the first connector of the plug inner core penetrates through the head part of the plug bush and then is positioned in the semicircular part, the positioning groove of the plug inner core is aligned with the plug locking block and locked, so that the positioning groove of the plug inner core is aligned with the preset positioning groove of the plug bush, and finally, a retaining ring is buckled into a second clamp spring groove in the plug outer shell to be fixed, so that the plug inner core cannot withdraw.
6. The misplug-proof electrical connector assembly of claim 4, wherein a first stop ring is arranged on the inner wall surface of the socket connecting part at a position close to the fixing plate part, a second stop ring is arranged on the inner wall surface of the socket butting part, a clamping groove is arranged on the outer side of the second stop ring, and the socket locking block is positioned between the first stop ring and the second stop ring.
7. The electrical misplug connector assembly of claim 6, wherein the socket core comprises a main body portion, a second connector extending from two ends of the main body portion respectively and abutting against the first connector, a second pair of connectors, and a plurality of socket terminal holes formed in the socket core, wherein an outer diameter of the main body portion is larger than outer diameters of the second connector and the second pair of connectors, and the positioning groove of the socket core is formed in the periphery of the main body portion.
8. The electrical connector assembly as claimed in claim 6, wherein during assembly, the socket bushing is inserted into the socket housing from the socket mating portion until the protrusion of the socket bushing is positioned and supported on the first retaining ring in the socket housing, the socket core is inserted from the socket mating portion, such that the socket connection portion of the socket core is sleeved into the head portion of the socket bushing, the end edge of the main body portion of the socket core is supported on the second retaining ring, and finally a snap spring is snapped into the snap groove of the socket housing to position the socket core, wherein a predetermined orientation groove of the socket bushing is matched with the positioning groove of the socket core and is positioned and supported on the socket positioning block in the socket housing.
9. The electrical connector assembly as claimed in claim 2, wherein the plug mating portion has a plurality of spring slots and a first snap spring slot at a position close to the step portion on the outer surface thereof, the connection nut includes an annular housing, a housing cavity formed through the annular housing, and a limiting protrusion disposed at a front end of the inner surface of the annular housing, the rear end of the inner surface of the annular housing has a threaded structure, the inner surface of the limiting protrusion has a plurality of arc slots, the spring slots are provided with spring pieces clamped between the spring slots and the inner wall surface of the connection nut, and the spring pieces include arc protrusions and supporting legs formed at two ends of the arc protrusions.
10. The misplug-proof electrical connector assembly holder of claim 9, wherein when the connection nut is assembled, the connection nut is firstly sleeved into the outer periphery of the plug housing from the front end until the limit convex part of the connection nut abuts against the step part in the plug housing, when the connection nut is rotated to align the arc-shaped groove on the limit convex part of the connection nut with the spring plate groove on the plug housing, the spring plate is placed into a space between the arc-shaped groove and the spring plate groove, then a washer is sleeved into the front end of the connection nut, and finally, a retaining ring is fixed in the first spring groove of the plug housing to limit the connection nut from withdrawing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910934453.4A CN110690612B (en) | 2019-09-29 | 2019-09-29 | Misplug-proof electric connector assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910934453.4A CN110690612B (en) | 2019-09-29 | 2019-09-29 | Misplug-proof electric connector assembly |
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| Publication Number | Publication Date |
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| CN110690612A CN110690612A (en) | 2020-01-14 |
| CN110690612B true CN110690612B (en) | 2021-04-20 |
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| CN114883857B (en) * | 2022-07-12 | 2022-09-23 | 潍坊学院 | USB interface misplug prevention computer case |
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| US5590228A (en) * | 1995-09-08 | 1996-12-31 | Packard Hughes Interconnect Company | Ratchet lock connector interlocking mechanism |
| WO1997016871A1 (en) * | 1995-10-31 | 1997-05-09 | The Whitaker Corporation | Keying system for electrical connector |
| CN101171722A (en) * | 2005-05-03 | 2008-04-30 | 约翰·麦扎林格瓦联合股份有限公司 | Coaxial cable port security device and method of use thereof |
| CN101740933A (en) * | 2008-11-10 | 2010-06-16 | 富士康(昆山)电脑接插件有限公司 | Electric coupler component |
| CN206098849U (en) * | 2016-10-10 | 2017-04-12 | 泰兴市八达电连接器有限公司 | Batteries of electric vehicle wraps management system signal connector |
| CN206401632U (en) * | 2017-01-22 | 2017-08-11 | 深圳中航宇飞科技有限公司 | Compression joint type plug |
| CN207530214U (en) * | 2017-12-15 | 2018-06-22 | 常州琥正电子科技有限公司 | Misinsertion-preventing connector |
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|---|---|
| CN110690612A (en) | 2020-01-14 |
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