CN214505932U

CN214505932U - Snap-in Power Connector

Info

Publication number: CN214505932U
Application number: CN202120219736.3U
Authority: CN
Inventors: 彭文福; 蔡上升; 施春
Original assignee: Dongguan Yuqiu Electronics Co ltd
Current assignee: Dongguan Yuqiu Electronics Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-10-26
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses a snap-on power connector, which comprises a socket and a plug. The plug comprises an insulator, a first inner plastic and a first terminal. The protruding seat and the elastic hook formed at the front end of the first inner plastic are all exposed at the front end of the insulator. In the formed convex ring, the front end of the first inner plastic is provided with a socket, the front end of the first terminal is exposed in the socket, and the outside of the insulator is provided with an elastic buckle; the socket includes a plastic seat, a second inner plastic and a second terminal, the plastic seat The front end is provided with a first butt groove for inserting the protruding ring, the front end of the second inner plastic is placed in the first butt groove, and the front end of the second inner plastic is provided with a second butt groove for inserting the convex seat, and the second butt groove is on the inner wall A snap hole is provided that is adapted to the elastic snap hook, the front end of the second terminal extends into the second docking slot, and the outside of the plastic seat is provided with a snap slot that fits with the elastic snap; The card slot is snapped and fixed, and the elastic snap hook is snapped into the card hole, so that the plug and the socket are fixedly connected, and the first terminal is connected with the second terminal to realize communication.

Description

Fastening type power connector

The technical field is as follows:

the utility model relates to a connector product technical field refers in particular to a buckle formula power connector.

Background art:

the connector is a connecting bridge which performs electrical connection and signal transmission between devices, assemblies and assemblies, and systems and is a necessary basic element for forming a complete system. A power connector is a common electrical connector for providing power to electronic devices, and is widely applied to electronic products such as home appliances, medical treatment, automobiles, and the like.

The power connector in the prior art generally comprises a socket and a plug which are mutually oppositely inserted and fixed together, after the socket and the plug are oppositely inserted, signal transmission of a product is achieved by forcibly interfering a metal terminal of the plug and a metal terminal of the socket, the structure is single, and due to the fact that an anti-falling structure is not arranged, in a specific scene (for example, in a long-time severe vibration environment), the socket and the plug in the power connector are easy to fall off, so that disconnection of signals is easy to occur, product functions are affected, and great troubles are caused to a user.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

an object of the utility model is to overcome prior art not enough, provide a buckle formula power connector.

In order to solve the technical problem, the utility model discloses a following technical scheme: the buckle type power connector comprises a socket and a plug which are oppositely matched and oppositely inserted, wherein the plug comprises an insulator, first inner plastic fixed in the insulator and a plurality of first terminals inserted and fixed in the first inner plastic; the socket comprises a plastic seat, second inner plastic fixed in the plastic seat and a plurality of second terminals inserted and fixed in the second inner plastic, wherein a first butt joint groove for the convex ring to insert is formed in the front end of the plastic seat, the front end of the second inner plastic is arranged in the first butt joint groove, a second butt joint groove for the convex seat to insert is also formed in the front end of the second inner plastic, a clamping hole matched with the elastic clamping hook is formed in the inner wall of the second butt joint groove, the front end of each second terminal extends into the second butt joint groove, and a clamping groove matched with the elastic clamping hook is formed in the outer part of the plastic seat; after the plug and the socket are oppositely inserted, the elastic buckle is fixedly clamped with the clamping groove, the elastic clamping hook is clamped into the clamping hole, the plug is fixedly connected with the socket, and the first terminal is in butt joint with the second terminal to realize communication.

Furthermore, in the above technical solution, the number of the elastic buckles is two, and the two elastic buckles are symmetrically distributed on two sides of the insulator; the number of draw-in groove is two, and its symmetric distribution is in this plastic seat both sides face, and this plastic seat side is the shaping respectively in both sides about the draw-in groove has first gib block and second gib block, is formed with the guide way between this first gib block and the second gib block.

Further, in the above technical solution, a first guiding inclined plane is formed at the periphery of the end of the elastic buckle; and the end parts of the first guide strip and the second guide strip are respectively provided with a second guide inclined plane and a third guide inclined plane.

Furthermore, in the above technical solution, the elastic buckle includes a holding portion integrally fixed with the insulator, a plastic arm formed on the holding portion and capable of swinging, and a buckle body formed at an end of the plastic arm.

Furthermore, in the above technical solution, the first terminal is cylindrical, and a plurality of elastic contact arms are formed at the front end of the first terminal, wherein the elastic contact arms are in a shape of a lobe and are circumferentially distributed.

Furthermore, in the above technical solution, the rear end of the insulator and the rear end of the first inner plastic are covered with a first waterproof sealant, and the first waterproof sealant further wraps the periphery of the rear end of the first terminal, and the rear end of the first terminal further extends out of the first waterproof sealant.

Furthermore, in the above technical solution, the rear end of the plastic seat and the rear end of the second inner plastic are covered with a second waterproof sealant, and the second waterproof sealant further wraps the periphery of the rear end of the second terminal, and the rear end of the second terminal further extends out of the second waterproof sealant.

Further, in the above technical solution, the second terminal includes a rectangular main body and a cylindrical contact portion formed at a front end of the rectangular main body.

Furthermore, in the above technical solution, the plastic seat is rectangular, and the insulator is also rectangular.

Furthermore, in the above technical solution, a longitudinal section of the first butt groove is circular, and a longitudinal section of the second inner plastic is circular.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect:

1. the utility model discloses be provided with elastic buckle in the plug outside, and be provided with the elasticity trip in the plug inside, correspond with it, be provided with the draw-in groove with the elasticity trip adaptation in the socket outside, and be provided with the draw-in hole with the elasticity trip adaptation in the socket inside, so that plug and socket are to inserting the back, this first terminal and second terminal butt joint, this elasticity buckle is fixed with the draw-in groove block, and the elasticity trip card goes into in this draw-in hole, make plug and socket fixed connection, can prevent effectively that this plug and socket are unexpected to break away from, guarantee the stability of first terminal and second terminal butt joint with this, can not take place the pine to take off and lead to signal transmission unstable, can guarantee the stable transmission of heavy current, make the utility model discloses extremely strong market competition has.

2. The front end of the first terminal is formed with a plurality of elastic contact arms which are in a lobe shape and are distributed in a circumferential manner, so that the end part of the second terminal can be clamped by the elastic contact arms after the end part of the second terminal is inserted into the front end of the first terminal, the butt joint stability is ensured, and the stable transmission of large current can be further ensured.

3. The rear end of the insulator and the rear end of the first inner plastic are covered with a first waterproof sealant, so that a waterproof effect is achieved. The rear end of the plastic seat and the rear end of the second inner plastic are covered with a second waterproof sealant, so that a waterproof effect is achieved.

Description of the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a perspective view of the plug of the present invention;

fig. 4 is a cross-sectional view of a plug of the present invention;

fig. 5 is an exploded perspective view of the plug of the present invention;

fig. 6 is a perspective view of the socket of the present invention;

fig. 7 is a cross-sectional view of a receptacle according to the present invention;

FIG. 8 is a perspective view of a second inner plastic of the present invention;

fig. 9 is a perspective view of the socket of the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

As shown in fig. 1-9, a snap-on power connector includes a socket 200 and a plug 100 that are relatively matched and inserted, where the plug 100 includes an insulator 1, a first inner plastic 2 fixed in the insulator 1, and a plurality of first terminals 3 inserted and fixed in the first inner plastic 2, a boss 21 and an elastic hook 22 formed at a front end of the first inner plastic 2 are exposed in a boss ring 11 formed at a front end of the insulator 1, a jack 23 is arranged at a front end of the first inner plastic 2, a front end of each first terminal 3 is exposed in the jack 23, and an elastic snap 12 is arranged outside the insulator 1; the socket 200 comprises a plastic seat 4, a second inner plastic 5 fixed in the plastic seat 4 and a plurality of second terminals 6 inserted and fixed in the second inner plastic 5, wherein a first butt groove 41 for the convex ring 11 to insert is arranged at the front end of the plastic seat 4, the front end of the second inner plastic 5 is arranged in the first butt groove 41, a second butt groove 51 for the convex seat 21 to insert is also arranged at the front end of the second inner plastic 5, a clamping hole 52 matched with the elastic clamping hook 22 is formed in the inner wall of the second butt groove 51, the front end of each second terminal 6 extends into the second butt groove 51, and a clamping groove 42 matched with the elastic clamping hook 12 is arranged outside the plastic seat 4; after the plug 100 is plugged into the socket 200, the first inner plastic 2 front end formed boss 21 and the elastic hook 22 are inserted into the second butt-joint groove 51 of the second inner plastic 5 front end, and the convex ring 11 is also inserted into the first butt-joint groove 41 of the plastic seat 4 front end, in addition, the elastic buckle 12 is fixed with the clamping groove 42 in a clamping manner, and the elastic hook 22 is clamped into the clamping hole 52, so that the plug 100 is fixedly connected with the socket 200, and the first terminal 3 is butted with the second terminal 6, thereby realizing communication. The utility model discloses be provided with elasticity buckle 12 in plug 100 outside, and be provided with elasticity trip 22 in plug 100 inside, correspond with it, be provided with the draw-in groove 42 with 12 adaptations of elasticity buckle in socket 200 outside, and be provided with the card hole 52 with the adaptation of elasticity trip 22 in socket 200 inside, so that plug 100 and socket 200 are to inserting the back, this

first terminal

3 and 6 docks of second terminal, this elasticity buckle 12 is fixed with draw-in groove 42 block, and elasticity trip 22 card goes into in this card hole 52, make plug 100 and socket 200 fixed connection, can prevent effectively that this plug 100 and socket 200 accident from breaking away from, guarantee the stability of

first terminal

3 and 6 docks of second terminal with this, can not take place to loosen and take off and lead to the signal transmission unstable, can guarantee the stable transmission of heavy current, make the utility model discloses extremely strong market competition has.

The number of the elastic buckles 12 is two, and the elastic buckles are symmetrically distributed on two sides of the insulator 1; the number of the slots 42 is two, and the slots are symmetrically distributed on two side surfaces of the plastic seat 4, so that the plug 100 and the socket 200 are assembled very stably after the plug 100 and the socket 200 are inserted into each other. And the side of the plastic seat 4 is respectively formed with a first guide strip 43 and a second guide strip 44 at the upper and lower sides of the slot 42, and a guide groove 40 is formed between the first guide strip 43 and the second guide strip 44, so that when the plug 100 is inserted into the socket 200, the elastic buckle 12 is inserted along the guide groove 40 and slides to the slot 42, and the elastic buckle 12 is buckled into the slot 42.

A first guide inclined plane is formed on the periphery of the end part of the elastic buckle 12; the ends of the first guide strip 43 and the second guide strip 44 are respectively provided with a second guide inclined surface and a third guide inclined surface, which facilitate the elastic buckle 12 to enter the guide groove 40 and quickly buckle into the clamping groove 42.

The elastic buckle 12 comprises a holding part 121 integrally fixed with the insulator 1, a plastic arm 122 formed on the holding part 121 and capable of swinging, and a buckle body 123 formed at the end part of the plastic arm 122, wherein the plastic arm 122 is pressed down to the other end of the buckle body 123, so that one end of the plastic arm 122 with the buckle body 123 can be driven to open outwards to be inserted along the guide groove 40 on the side surface of the plastic seat 4, the operation is very convenient, and the elastic buckle 12 can be separated from the clamping groove 42 by the same operation, so that the plug 100 is separated from the socket 200.

The first terminal 3 is cylindrical, and a plurality of elastic contact arms 31 which are in a lobe shape and are circumferentially distributed are formed at the front end of the first terminal 3, so that the end part of the second terminal 6 can be conveniently clamped by the elastic contact arms 31 after the end part of the second terminal 6 is inserted into the front end of the first terminal 3, the butt joint stability is ensured, and the stable transmission of large current can be further ensured.

The rear end of the insulator 1 and the rear end of the first inner plastic 2 are covered with a first waterproof sealant 101, the first waterproof sealant 101 further wraps the periphery of the rear end of the first terminal 3, and the rear end of the first terminal 3 further extends out of the first waterproof sealant 101, so that the plug 100 has a waterproof function.

The rear end of the plastic seat 4 and the rear end of the second inner plastic 5 are covered with a second waterproof sealant 201, the second waterproof sealant 201 further wraps the periphery of the rear end of the second terminal 6, and the rear end of the second terminal 6 further extends out of the second waterproof sealant 201, so that the socket 200 has a waterproof function.

The second terminal 6 includes a rectangular main body 61 and a cylindrical contact portion 62 formed at a front end of the rectangular main body 61.

The plastic seat 4 is rectangular, and the insulator 1 is also rectangular.

The longitudinal section of the first butt groove 41 is circular, and the longitudinal section of the second inner plastic 5 is circular.

To sum up, the utility model discloses be provided with elasticity buckle 12 in plug 100 outside, and be provided with elasticity trip 22 in plug 100 inside, it corresponds with it, be provided with the draw-in groove 42 with 12 adaptations of elasticity buckle in socket 200 outside, and be provided with the card hole 52 with 22 adaptations of elasticity trip in socket 200 inside, so that plug 100 is to inserting the back with socket 200, this first terminal 3 docks with second terminal 6, this elasticity buckle 12 is fixed with draw-in groove 42 block, and elasticity trip 22 card goes into in this card hole 52, make plug 100 and socket 200 fixed connection, can effectively prevent that this plug 100 from breaking away from with socket 200 accident, guarantee the stability of

first terminal

3 and 6 docks of second terminal with this, can not take place to loose and take off and lead to signal transmission unstable, can guarantee the steady transmission of heavy current, the order the utility model discloses extremely strong market competition has.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims

1. A snap-on power connector, comprising a socket (200) and a plug (100) that are relatively matched and inserted, characterized in that:

The plug (100) includes an insulator (1), a first inner plastic (2) fixed in the insulator (1), and a plurality of first terminals (3) inserted and fixed in the first inner plastic (2) ), the convex seat (21) and the elastic hook (22) formed at the front end of the first inner plastic (2) are exposed in the convex ring (11) formed at the front end of the insulator (1). ) an insertion hole (23) is arranged at the front end, the front end of the first terminal (3) is exposed in the insertion hole (23), and an elastic buckle (12) is arranged outside the insulator (1);

The socket (200) includes a plastic seat (4), a second inner plastic (5) fixed in the plastic seat (4), and a plurality of second terminals inserted and fixed in the second inner plastic (5) (6), the front end of the plastic seat (4) is provided with a first butt groove (41) into which the convex ring (11) is inserted, and the front end of the second inner plastic (5) is placed in the first butt groove (41) , and the front end of the second inner plastic (5) is also provided with a second docking slot (51) for inserting the boss (21), and the second docking slot (51) is provided on the inner wall with the elastic hook ( 22) The fitting hole (52), and the front end of the second terminal (6) protrudes into the second docking slot (51), and the plastic seat (4) is provided with a fitting on the outside of the elastic buckle (12). Matching card slot(42);

After the plug (100) is inserted into the socket (200), the elastic buckle (12) is engaged with the card slot (42) and fixed, and the elastic hook (22) is inserted into the card hole (52), so that the The plug (100) is fixedly connected with the socket (200), and the first terminal (3) is butted with the second terminal (6) to realize communication.

2. The snap-on power connector according to claim 1, wherein the number of the elastic snaps (12) is two, which are symmetrically distributed on both sides of the insulator (1); the snap-in slots The number of (42) is two, which are symmetrically distributed on both sides of the plastic seat (4), and the sides of the plastic seat (4) are respectively formed with first guide strips (43) and A second guide bar (44), a guide groove (40) is formed between the first guide bar (43) and the second guide bar (44).

3. The snap-on power connector according to claim 2, characterized in that: a first guide slope is formed on the periphery of the end of the elastic snap (12); the first guide strip (43) and the second guide The ends of the guide bars (44) are respectively provided with a second guide slope and a third guide slope.

4. The snap-on power connector according to any one of claims 1-3, wherein the elastic snap (12) comprises a holding portion (121) integrally fixed with the insulator (1) and a molding A plastic arm (122) which is swingable on the holding part (121) and a buckle body (123) formed on the end of the plastic arm (122).

5. The snap-on power connector according to any one of claims 1-3, wherein the first terminal (3) is cylindrical, and the front end of the first terminal (3) is formed with several The elastic contact arms (31) are petal-shaped and distributed circumferentially.

6. The snap-on power connector according to claim 5, wherein the rear end of the insulator (1) and the rear end of the first inner plastic (2) are covered with a first waterproof sealant (101), and The first waterproof sealant (101) also wraps the periphery of the rear end of the first terminal (3), and the rear end of the first terminal (3) also protrudes out of the first waterproof sealant (101).

7. The snap-on power connector according to claim 4, wherein the rear end of the plastic seat (4) and the rear end of the second inner plastic (5) are covered with a second waterproof sealant (201), And the second waterproof sealant (201) also wraps the periphery of the rear end of the second terminal (6), and the rear end of the second terminal (6) also protrudes out of the second waterproof sealant (201).

8. The snap-on power connector according to claim 4, wherein the second terminal (6) comprises a rectangular body (61) and a cylindrical shape formed on the front end of the rectangular body (61). Contact (62).

9 . The snap-on power connector according to claim 4 , wherein the plastic seat ( 4 ) is rectangular, and the insulator ( 1 ) is also rectangular. 10 .

10. The snap-on power connector according to claim 4, wherein the longitudinal section of the first butt-joint groove (41) is circular, and the longitudinal section of the second inner plastic (5) is circular .