CN221102529U

CN221102529U - Electric connector

Info

Publication number: CN221102529U
Application number: CN202322658543.XU
Authority: CN
Inventors: 陈昌耀; 吴祝平; 方志宏
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-06-07
Anticipated expiration: 2033-09-28

Abstract

The utility model provides an electric connector, which comprises an insulating body, a plurality of terminals accommodated in the insulating body and a protective plug assembled on the insulating body, wherein the insulating body is provided with a base part and a butt joint part protruding forwards from the base part, the rear end surface of the base part is provided with an opening corresponding to the butt joint part forwards and backwards, the terminals are provided with tail parts exposed in the opening, a first foolproof structure is arranged in the opening, the protective plug is assembled in the opening from back to front and is provided with a second foolproof structure, and the first foolproof structure and the second foolproof structure are correspondingly matched with each other. Compared with the prior art, the structure of the insulating body and the structure of the protection plug are optimized, and the first foolproof structure and the second foolproof structure are matched with each other, so that an excellent foolproof effect is realized, the assembly and the insertion of the protection plug are more accurate and convenient, the assembly efficiency is improved, and meanwhile, the protection effect can be well achieved.

Description

Electric connector

Technical Field

The present disclosure relates to electrical connectors, and particularly to an electrical connector.

Background

Along with the development trend of miniaturization, thinness and thinness of consumer electronic products such as notebooks, tablet computers and mobile phones, the requirements on the design and manufacturing process of parts of the electronic connectors are higher, and as the products are increasingly thinned and thinner, the internal space of the electronic connectors is also very narrow, so that the internal space of the electronic connectors is required to be densely distributed, the volumes of the electronic components are also increasingly smaller, lighter and thinner, the requirements on the reliability of the manufacturing process and product connection are higher, and the use environments of a plurality of electric connectors are required to be dustproof or waterproof, so that the electric connectors are required to have corresponding protection structures, and the internal pollution of the electric connectors caused by dust or other dirt is prevented, so that the problem of contact stability is caused. The common electric connector generally comprises an insulating body and a metal terminal accommodated in the insulating body, wherein the metal terminal is used for realizing electric connection, but the tail part of the metal terminal is usually exposed at the back side of the insulating body, and in order to realize a protection function, the prior electric connector is usually provided with a protection plug at the back side of the insulating body, and the protection plug is utilized for shielding the back side of the insulating body so as to achieve the effect of protecting the metal terminal.

Disclosure of utility model

The utility model provides an electric connector, which solves the problem of inconvenient assembly of a protective plug in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an electric connector, includes the insulator, accommodates a plurality of terminals in the insulator, assembles the protection stopper on the insulator, the insulator is equipped with a basal portion and from a basal portion forward protruding a butt joint portion that stretches out, the rear end face of basal portion be formed with one with the opening that corresponds around the butt joint portion, the terminal be equipped with expose in the afterbody in the opening, be equipped with a first foolproof structure in the opening, the protection stopper is from the back forward assembled in the opening and be equipped with a second foolproof structure, first foolproof structure with the cooperation of second foolproof structure mutual correspondence.

Further, a plurality of clamping grooves for clamping the terminals are formed at the bottom of the opening, and the clamping grooves penetrate downwards through the bottom surface of the base part; the bottom edge of the protective plug is provided with a plurality of convex ribs which are in one-to-one correspondence with the clamping grooves, and the convex ribs downwards protrude into the clamping grooves.

Further, the clamping grooves are distributed on the rear end face of the base at equal intervals along the length direction of the base, and the convex ribs are abutted downwards on the terminals.

Further, the protection plug is provided with a main cover plate and a plurality of legs extending from the main cover plate forwards integrally, the shape of the main cover plate is matched with the shape of the opening, the legs are distributed at the edge position of the main cover plate, at least two legs are located at the two side edges of the main cover plate, and at least two legs are located at the top side edge of the main cover plate.

Further, the leg portion extends from the rear to the front and is provided with an outer surface extending obliquely inward.

Further, both ends of the base are provided with a pair of catching recesses formed on the top surface of the base or on the side surfaces of the base.

Further, the electric connector further comprises a metal shell covered on the insulating body and fixing components fixed at two ends of the insulating body, the metal shell is provided with a front cover part covered on the base part and an annular cover part surrounding and wrapping the butt joint part, latch arms bent backwards and extending are formed at two side edges of the front cover part, and the latch arms are clamped in the latch concave parts of the base part.

Further, a pair of fixing holes are formed in the base of the insulating body, the pair of fixing holes are located at two ends of the butt joint portion and penetrate through the base in the front-rear direction, the fixing assembly comprises a pair of nuts and a pair of bolts, the nuts are contained in the fixing holes, the bolts are matched with the nuts, and mounting holes corresponding to the fixing holes are formed in the metal shell.

Further, the first foolproof structure and the second foolproof structure are inclined planes and are mutually matched.

Further, the first fool-proof structure is a concave part or a convex part facing to or away from the opening, so that the opening is in an asymmetric shape.

Compared with the prior art, the structure of the insulating body and the structure of the protection plug are optimized, and the first foolproof structure and the second foolproof structure are matched with each other, so that an excellent foolproof effect is realized, the assembly and the insertion of the protection plug are more accurate and convenient, the assembly efficiency is improved, and meanwhile, the protection effect can be well achieved.

Drawings

Fig. 1 is a perspective view of an electrical connector according to the present utility model.

Fig. 2 is a backside view of the electrical connector of the present utility model.

Fig. 3 is a schematic diagram showing the separation of the protective plug and the insulating body of the electrical connector according to the present utility model.

Fig. 4 is a backside view of the electrical connector of the present utility model with the terminals removed.

Fig. 5 is a backside view of an electrical connector of the present utility model from another perspective after removal of terminals.

Fig. 6 is a perspective view of a shield plug of the electrical connector of the present utility model.

Detailed Description

Referring to fig. 1 to 6, the present utility model provides an electrical connector, which includes an insulation body 10, a plurality of terminals 20 accommodated in the insulation body 10, a metal housing 30 covered on the insulation body 10, a protection plug 40 mounted on the insulation body 10, and fixing assemblies 50 fixed at two ends of the insulation body 10, wherein the metal housing 30 covers the front side of the insulation body 10 to play a role of protecting the insulation body 10, the protection plug 40 is assembled at the back side of the insulation body 10 to play a role of protecting the terminals 20, and the fixing assemblies 50 are positioned at two ends of the insulation body 10 to fix the metal housing 30 on the insulation body 10. The structural features of the foregoing components are described in detail below.

The insulating body 10 is provided with a base 11 and a pair of butt joint parts 12 protruding forwards from the base 11, the base 11 and the butt joint parts 12 are integrally connected and manufactured through an injection molding process, wherein the base 11 is provided with a top surface 110, a pair of side surfaces 111 positioned at two sides of the top surface 110, a front end surface 112 positioned at the front side of the top surface 110 and a rear end surface 113 positioned at the rear side of the top surface 110, preferably, two ends of the base 11 are provided with a pair of buckling concave parts 114 for buckling and fixing with the metal shell 30, the buckling concave parts 114 are formed on the top surface 110 or the side surfaces 111, or can be formed on the top surface 110 and the side surfaces 111 at the same time, as shown in fig. 2; the front end surface 112 is vertically arranged and parallel to the rear end surface 113, a pair of fixing holes 13 are formed on the front end surface 112 and positioned at two ends of the butting portion 12, and are used for accommodating and fixing the fixing assembly 50, the fixing holes 13 penetrate through the front end surface 112 and the rear end surface 113 in front-back direction, and the front end surface 112 is used for facing a butting-end electric connector (not shown); the rear end face 113 is provided with an opening 14 for inserting the terminal 20 into the insulating body 10 from the back to the front, and the opening 14 and the abutting portion 12 are correspondingly disposed in the front-back direction, preferably, the opening 14 is substantially rectangular, a plurality of clamping grooves 15 for clamping the terminal 20 are formed at the bottom of the opening 14, the plurality of clamping grooves 15 penetrate downwards through the bottom surface of the insulating body 10 and are distributed on the rear end face 113 of the base 11 at equal intervals along the length direction of the base 11, it is worth to say that at least one first fool-proof structure 16 is formed in the opening 14, the first fool-proof structure 16 is located at two sides or top sides of the opening 14, so that the opening 14 is in an asymmetric shape, preferably, the first fool-proof structure 16 is an inclined plane, is located at one end of the opening 14 and faces the inner side of the opening 14, and of course, the first fool-proof structure 16 may also face or face away from the opening 14, or be distributed on the rear end face 113 of the base 11 at equal intervals, and the opening 14 is in an asymmetric shape, so that the plug 40 can be inserted into the opening 14 accurately, and the plug can be positioned and the plug 40 is prevented from being inserted into the opening. The abutting portion 12 is formed by protruding forward from the front end face 112 of the base 11, and a plurality of receiving grooves 17 are formed on the surface of the abutting portion 12 for receiving the plurality of terminals 20, and the receiving grooves 17 extend in the front-rear direction and penetrate the opening 14 backward so as to be exposed in the opening 14, as shown in fig. 4 and 5, preferably, the plurality of receiving grooves 17 are divided into three rows distributed from top to bottom.

The terminals 20 are inserted into the insulating body 10 from the back to the front through the openings 14, the terminals 20 are provided with contact arms (not shown) accommodated in the butt joint parts 12, tail parts 21 connected to the rear ends of the contact arms and exposed in the openings 14, and the tail parts 21 vertically extend from top to bottom and are clamped in the clamping grooves 15, further protrude out of the bottom of the base 11 and are fixedly connected with a circuit board (not shown).

The metal shell 30 is provided with a front cover portion 31 covering the front end surface 112 of the base 11 and an annular cover portion 32 surrounding and covering the surface of the butt joint portion 12, the front cover portion 31 and the annular cover portion 32 are integrally formed by punching, and mounting holes (not shown) corresponding to the fixing holes 13 are formed in the front cover portion 31, preferably, latch arms 33 extending by bending backward are formed at both side edges of the front cover portion 31, and the latch arms 33 are retained in the latch recesses 114 of the base 11, so that the metal shell 30 and the insulating body 10 are fixedly combined.

The protection plug 40 is provided with a main cover 41 and a plurality of legs 42 extending from the main cover 41 forward integrally, the main cover 41 is shaped to match the shape of the opening 14, and is configured to be installed into the opening 14 from the rear to the front, that is, the main cover 41 is provided with a second foolproof structure 43 correspondingly matched with the first foolproof structure 16, preferably, the second foolproof structure 43 is an inclined surface, which is located at two ends of the main cover 41 to match and match with the first foolproof structure 16, so that the main cover 41 can be plugged into the opening 14. It should be noted that, a plurality of ribs 44 are formed at the bottom edge of the main cover 41, the plurality of ribs 44 are disposed in one-to-one correspondence with the plurality of clamping grooves 15, and the ribs 44 protrude into the clamping grooves 15 and abut against the terminals 20. The legs 42 are distributed at the edge of the main cover 41, and at least two legs 42 are located at both side edges of the main cover 41, and at least two legs 42 are located at the top side edge of the main cover 41, preferably, the legs 42 extend from back to front and are provided with an outer surface 45 extending obliquely inward to play a guiding role during insertion of the shield plug 40 into the opening 14.

The fixing assembly 50 is used for combining and fixing the metal housing 30 and the insulating body 10 to achieve reliable connection, and the fixing assembly 50 includes a pair of bolts 51 and a pair of nuts 52, the nuts 52 are assembled into the pair of fixing holes 13 at two ends of the base 11 from back to front, and the bolts 51 are screwed into the fixing holes 13 from front to back to be fixedly matched with the nuts 52.

In summary, the electrical connector of the present utility model optimizes the structures of the insulating body 10 and the protection plug 40, and realizes an excellent fool-proof effect by the cooperation of the first fool-proof structure 16 and the second fool-proof structure 43, so that the assembly and insertion of the protection plug 40 are more accurate and convenient, the assembly efficiency is improved, and meanwhile, the protection effect is also well achieved.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make many possible variations and modifications to the technical solution of the present utility model using the above disclosed method without departing from the scope of the technical solution of the present utility model, which is defined in the claims.

Claims

1. The utility model provides an electric connector, includes insulator, accommodates in the insulator a plurality of terminals, assembles the protection stopper on insulator, insulator is equipped with a basal portion and from the forward protruding butt joint portion that stretches out of basal portion, the rear end face of basal portion be formed with one with the opening that corresponds around the butt joint portion, the terminal is equipped with expose in the opening afterbody, its characterized in that: the protection plug is assembled into the opening from back to front and is provided with a second fool-proof structure, and the first fool-proof structure and the second fool-proof structure are correspondingly matched with each other.

2. The electrical connector of claim 1, wherein: a plurality of clamping grooves for clamping the terminals are formed at the bottom of the opening, and downwards penetrate through the bottom surface of the base part; the bottom edge of the protective plug is provided with a plurality of convex ribs which are in one-to-one correspondence with the clamping grooves, and the convex ribs downwards protrude into the clamping grooves.

3. The electrical connector of claim 2, wherein: the clamping grooves are distributed on the rear end face of the base at equal intervals along the length direction of the base, and the convex ribs are abutted downwards on the terminals.

4. The electrical connector of claim 1, wherein: the protective plug is provided with a main cover plate and a plurality of legs extending from the main cover plate forwards integrally, the shape of the main cover plate is identical to the shape of the opening, the legs are distributed at the edge position of the main cover plate, at least two legs are positioned at the edges of two sides of the main cover plate, and at least two legs are positioned at the edge of the top side of the main cover plate.

5. The electrical connector of claim 4, wherein: the legs extend from back to front and are provided with an outer surface extending obliquely inward.

6. The electrical connector of claim 1, wherein: the base has a pair of snap recesses at both ends thereof, the snap recesses being formed on a top surface of the base or on side surfaces of the base.

7. The electrical connector of claim 6, wherein: the electric connector further comprises a metal shell covered on the insulating body and fixing components fixed at two ends of the insulating body, the metal shell is provided with a front cover part covered on the base part and an annular cover part surrounding and wrapping the butt joint part, latch arms which are bent backwards and extend are formed at two side edges of the front cover part, and the latch arms are clamped in the latch concave parts of the base part.

8. The electrical connector of claim 7, wherein: the base of the insulating body is provided with a pair of fixing holes, the pair of fixing holes are positioned at two ends of the butt joint part and penetrate through the base front and back, the fixing assembly comprises a pair of nuts and a pair of bolts matched with the nuts, the nuts are contained in the fixing holes, and the metal shell is provided with mounting holes corresponding to the fixing holes.

9. The electrical connector of any one of claims 1 to 8, wherein: the first fool-proof structure and the second fool-proof structure are inclined planes and are mutually matched.

10. The electrical connector of any one of claims 1 to 8, wherein: the first fool-proof structure is a concave part or a convex part facing to or away from the opening, so that the opening is in an asymmetric shape.