CN216850479U

CN216850479U - Electrical connector

Info

Publication number: CN216850479U
Application number: CN202123288879.9U
Authority: CN
Inventors: 姚宏江; 武月春; 陈昌耀
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2021-12-25
Filing date: 2021-12-25
Publication date: 2022-06-28
Anticipated expiration: 2031-12-25

Abstract

The utility model provides an electric connector, including insulator and be fixed in the terminal module in the insulator, the terminal module includes row's of going up terminal group, lower row of terminal group and between row's of going up terminal group and lower row of metal division board between the terminal group, go up row's of going up terminal group and lower row of terminal group one is equipped with the reference column, another be equipped with reference column complex locating hole, the reference column is equipped with a cylindrical basal portion and is located the terminal clamping part of basal portion, the clamping part protrusion in the cylindrical surface of basal portion, be equipped with in the locating hole with clamping part complex step portion. The utility model discloses an improve the structure and the cooperation mode of reference column and locating hole, utilize the terminal clamping part of reference column and the step portion of locating hole to carry out the buckle cooperation, reduced the hard interference volume between reference column and the locating hole, can effectively reduce the produced plastic piece of hard interference, improve the row of going up terminal group and arrange the cooperation relation between the terminal group down, improve the reliability of whole terminal module.

Description

Electrical connector with improved contact arrangement

Technical Field

The utility model relates to an electric connection field especially relates to an electric connector.

Background

The electrical connector is an indispensable component in electronic products nowadays, and is also an indispensable component in automobiles and industrial manufacturing equipment, and the electrical connector plays a role in transmitting various electrical signals. A conventional electrical connector mainly includes an insulating body (plastic) and a conductive terminal, the conductive terminal is usually installed in the insulating body, the front end of the conductive terminal is used for electrically contacting with the mating electrical connector, and the rear end of the conductive terminal is usually electrically connected with a cable or a circuit board. USB is the most common one of the electrical connectors, and the USB Type C electrical connector is widely used at present, and has better transmission performance, mainly because the USB Type C electrical connector has a more excellent terminal module, such terminal module is usually assembled by an upper row of terminal group, a middle spacer and a lower row of terminal group, in order to make the upper row of terminal group and the lower row of terminal group can be combined together tightly and reliably, a convex positioning column is usually disposed on the plastic body of the upper row of terminal group, and a concave positioning hole is disposed on the plastic body of the lower row of terminal group, and the positioning column and the positioning hole are combined and fixed together (equivalent to interference fit) by hard interference, but the force of the hard interference is too large, so that plastic scraps are easily scraped out, thereby affecting the reliability of the combination of the two.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric connector to improve among the prior art terminal module and produce the clastic problem of plastic because of hard interference in the equipment process.

In order to solve the technical problem, the utility model adopts the following technical scheme: an electric connector comprises an insulating body and a terminal module fixed in the insulating body, wherein the terminal module comprises an upper row of terminal groups, a lower row of terminal groups and a metal isolation plate between the upper row of terminal groups and the lower row of terminal groups, one of the upper row of terminal groups and the lower row of terminal groups is provided with a positioning column, the other one of the upper row of terminal groups and the lower row of terminal groups is provided with a positioning hole matched with the positioning column, the positioning column is provided with a cylindrical base part and a clamping part positioned at the tail end of the base part, the clamping part protrudes out of the cylindrical surface of the base part, and a step part matched with the clamping part is arranged in the positioning hole.

Furthermore, the number of the buckling parts is a pair, the buckling parts are in an arc shape and extend and are distributed along the cylindrical surface of the base part, the pair of buckling parts are mutually independent, and gaps are formed between the heads and the tails of the buckling parts.

Furthermore, the number of the buckling parts is one, and the buckling parts are of annular frustum structures.

Further, the step part is annular and is formed by protruding from the inner wall surface of the positioning hole.

Furthermore, a hole is formed on the inner side of the buckling part.

Further, the outer surface of the buckling part is inclined, or the buckling part is provided with a trapezoidal cross section.

Furthermore, the upper row terminal group comprises an upper side body and a plurality of upper row terminals fixed on the upper side body, and the upper side body is provided with an upper main body part and a shielding part vertically extending from the rear end of the upper main body part; the lower row of terminal group comprises a lower side body and a plurality of lower row of terminals fixed on the lower side body, wherein the lower side body is provided with a flat part extending horizontally and a side baffle part extending vertically from the rear end of the flat part.

Furthermore, the side blocking part is U-shaped, the shielding part is accommodated inside the side blocking part, and the shielding part is arranged between the tail part of the upper row of terminals and the tail part of the lower row of terminals.

Further, the positioning hole is formed on the flat portion.

Compared with the prior art, the utility model discloses an improve the structure and the cooperation mode of reference column and locating hole, utilize the terminal clamping part of reference column and the step portion of locating hole to carry out the buckle cooperation, reduced the hard interference volume between reference column and the locating hole, can effectively reduce hard produced plastic piece of interfering, improve the row of going up terminal group and arrange the cooperation relation between the terminal group down, improve the reliability of whole terminal module.

Drawings

Fig. 1 is an exploded view of the terminal module of the electrical connector of the present invention with its bottom surface facing upward.

Fig. 2 is a combination view of the electric connector of the present invention with the bottom surface of the terminal module facing upward.

Detailed Description

Referring to fig. 1 to 2, the present invention provides an electrical connector, which includes an insulating body (not shown) and a terminal module 100 fixed in the insulating body, wherein the terminal module 100 is inserted into the insulating body and is used for electrically connecting with an electrical connector at a butt end. The terminal module 100 includes an upper row terminal set 10, a lower row terminal set 20, and a metal isolation plate 30 sandwiched between the upper row terminal set 10 and the lower row terminal set 20.

The upper row terminal set 10 is provided with an upper side body 11 and a plurality of upper row terminals 12 fixed on the upper side body 11, the upper side body 11 is formed by insulating plastic injection molding, and is provided with an upper main body part 13 and a shielding part 14 vertically extending from the rear end of the upper main body part 13, the upper main body part 13 is provided with a mounting surface 15 facing the metal isolation plate 30 and the lower row terminal set 20, the mounting surface 15 is used for mounting and fixing with the metal isolation plate 30 and the lower row terminal set 20, wherein, the mounting surface 15 is provided with a pair of raised positioning columns 16, the positioning columns 16 project towards the lower row terminal set 20 and are provided with a cylindrical base part 161 and a pair of buckling parts 162 positioned at the tail end of the base part 161, the buckling parts 162 are arc-shaped and are distributed along the cylindrical surface of the base part 161 and project from the cylindrical surface of the base part 161, the locking part 162 is used for locking and matching with the lower row terminal group 20, and the outer surface 163 of the locking part 162 is inclined and has a certain guiding function, or the locking part 162 is provided with a trapezoidal cross section T; the pair of buckling parts 162 are independent from each other, and a gap 164 is formed between the head and the tail of the buckling parts, so that whether the buckling parts 162 and the positioning holes are assembled in place or not can be conveniently observed, and certainly, in other embodiments of the utility model, the pair of buckling parts 162 can also be connected end to form an annular buckling part 162, and is visible, the buckling part 162 can be a pair of circular arc-shaped structures or an annular frustum structure as long as the buckling part can be in buckling fit with the lower row of terminal group 20, and is not limited here, and in addition, a hole 165 is formed in the inner side of the buckling part 162. The shielding portion 14 is integrally connected with the rear end of the upper main body portion 13 and perpendicular to the mounting surface 15, the shielding portion 14 extends transversely, that is, extends from the left side to the right side of the upper main body portion 13, and the shielding portion 14 is used for separating the tail portions 121 of the upper rows of terminals 12 from the tail portions 221 of the lower rows of terminals 22, so as to prevent the short circuit risk caused by the mistaken contact of the two terminals.

The lower row terminal set 20 is provided with a lower body 21 and a plurality of lower row terminals 22 fixed on the lower body 21, the lower body 21 is also formed by injection molding of insulating plastic, a positioning hole 23 in snap fit with the positioning column 16 is formed in the lower body 21, the positioning hole 23 penetrates through the lower body 21 from top to bottom, so that the positioning column 16 can be inserted to a sufficient depth, an annular step part 231 protrudes from the inner wall surface of the positioning hole 23, and the step part 231 is used for realizing snap fit with a snap part 162 of the positioning column 16. The lower body 21 has a flat portion 24 extending horizontally and a side blocking portion 25 extending vertically from the rear end of the flat portion 24, the positioning hole 23 is formed on the flat portion 24, the flat portion 24 is correspondingly matched with the upper body portion 13, the side blocking portion 25 is correspondingly matched with the blocking portion 14, wherein the side blocking portion 25 is U-shaped and is used for embedding the tails of the lower rows of terminals 22, and the blocking portion 14 is accommodated inside the side blocking portion 25 and is located between the tails 121 of the upper rows of terminals 12 and the tails 221 of the lower rows of terminals 22.

The metal isolation plate 30 is disposed between the upper row terminal set 10 and the lower row terminal set 20, and the metal isolation plate 30 is shaped like a flat plate and is provided with through holes 31 corresponding to the positioning posts 16 and the positioning holes 23, so that the positioning posts 16 can be inserted into the positioning holes 23 through the through holes 31. The main function of the metal isolation plate 30 is to improve the signal interference between the upper terminal set 10 and the lower terminal set 20, achieve the grounding purpose, and also contribute to improving the strength of the whole terminal module 100.

It should be noted that, because the fastening portion 162 of the positioning post 16 protrudes from the cylindrical surface of the positioning post 16, when the positioning post 16 is inserted into the positioning hole 23, the interference positions of the positioning post 16 and the positioning post are mainly concentrated on the fastening portion 162 and the step portion 231, and the whole cylindrical surface of the positioning post 16 does not need to undergo hard interference, and the installation and positioning of the positioning post and the positioning post can be completed only by the mutual fastening of the fastening portion 162 and the step portion 231, so that the interference between the positioning post 16 and the positioning hole 23 is greatly reduced, and the plastic chips generated by the hard interference can be effectively reduced. Of course, in other embodiments of the present invention, the positioning column 16 may also be disposed on the lower row terminal set 20, and the positioning hole 23 is disposed on the upper row terminal set 10, which will not be described herein.

To sum up, the utility model discloses an improve the structure and the cooperation mode of reference column 16 and locating hole 23, utilize the terminal clamping part 162 of reference column 16 and the step portion 231 of locating hole 23 to carry out the buckle cooperation, reduced the hard interference volume between reference column 16 and the locating hole 23, can effectively reduce the produced plastic piece of hard interference, improve the cooperation relation of going up terminal group 10 and arranging between the terminal group 20 down, improve whole terminal module 100's reliability.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the technical solution of the present invention without departing from the scope of the technical solution of the present invention.

Claims

1. The utility model provides an electric connector, includes insulator and is fixed in the terminal module in the insulator, the terminal module is including arranging terminal group on, arranging terminal group down and arranging the metal division board between terminal group on and arrange terminal group down, its characterized in that: one of the upper row terminal group and the lower row terminal group is provided with a positioning column, the other one is provided with a positioning hole matched with the positioning column, the positioning column is provided with a cylindrical base part and a clamping part positioned at the tail end of the base part, the clamping part protrudes out of the cylindrical surface of the base part, and a step part matched with the clamping part is arranged in the positioning hole.

2. The electrical connector of claim 1, wherein: the number of the buckling parts is a pair, the buckling parts are arc-shaped and extend and are distributed along the cylindrical surface of the base part, the pair of buckling parts are mutually independent, and gaps are formed between the heads and the tails of the buckling parts.

3. The electrical connector of claim 1, wherein: the number of the buckling parts is one, and the buckling parts are of annular frustum structures.

4. The electrical connector of claim 2 or 3, wherein: the step part is annular and is formed by protruding from the inner wall surface of the positioning hole.

5. The electrical connector of claim 2 or 3, wherein: a hole is formed on the inner side of the buckling part.

6. The electrical connector of claim 4, wherein: the outer surface of the buckling part is inclined, or the buckling part is provided with a trapezoidal cross section.

7. The electrical connector of claim 6, wherein: the upper row terminal group comprises an upper side body and a plurality of upper row terminals fixed on the upper side body, and the upper side body is provided with an upper main body part and a shielding part vertically extending out of the rear end of the upper main body part; the lower row of terminal group includes a downside body and is fixed in a plurality of lower row of terminals on the downside body, the downside body is equipped with a flat portion that extends horizontally and with the side wall portion that extends perpendicularly from the rear end of flat portion.

8. The electrical connector of claim 7, wherein: the side blocking part is U-shaped, the shielding part is accommodated inside the side blocking part, and the shielding part is arranged between the tail part of the upper row of terminals and the tail part of the lower row of terminals.

9. The electrical connector of claim 8, wherein: the positioning hole is formed on the flat portion.