CN218867547U

CN218867547U - Electrical connector with improved contact arrangement

Info

Publication number: CN218867547U
Application number: CN202223250119.3U
Authority: CN
Inventors: 沈超; 张金国
Original assignee: Dongtai Zhengyao Precision Technology Co ltd
Current assignee: Dongtai Zhengyao Precision Technology Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-04-14
Anticipated expiration: 2032-12-05

Abstract

The utility model provides an electric connector, include the body, accept in this internal terminal module and assemble in this external shell, the terminal module includes conductive terminal and is fixed in the outer insulating inner core of conductive terminal, the body has from a pair of slot of its front end undercut formation and is located slot rear side and rather than the accepting groove that links to each other, the shell has a pair of lug that is located its rear end and protruding locating its inner wall, the lug inserts from the front to the back downstream behind the slot downstream and with the card is solid mutually to the interference portion that sets up in the accepting groove, so that the shell is successively along fore-and-aft direction and upper and lower direction equipment and card in the body. Compared with the prior art, the utility model discloses an adopt along fore-and-aft direction and upper and lower direction equipment shell to realize the stability of being connected between shell and the body, avoid it to produce not hard up phenomenon under butting connector's the effect of drawing.

Description

Electrical connector

Technical Field

The utility model relates to an electric connector.

Background

The electric connector is one of the components widely used in the industrial field nowadays, and various electric connectors, such as a USB connector, a DC Jack connector, etc., are widely used in the electric connection between different components, especially in automobiles, computers, mobile phones, and various digital products. With the continuous development of the technology, the types and functions of connectors are more and more, and application scenarios are also continuously changed, taking an automobile as an example, with the gradual popularization of new energy vehicles and intelligent automobiles, the transmission demand of an automobile internal system for High-Speed signals is higher and higher to adapt to more intelligent application scenarios, in this case, some electrical connectors with High-frequency High-Speed signal transmission capability are required, such as an H-MTD (High-Speed modulated-Pair Data) connector appearing in about 2017, which is mainly used for vehicle-mounted differential signal link transmission, and can be applied to an automatic driving system, a vehicle-mounted 4K High-definition camera system, a vehicle-mounted entertainment system, and the like, and as a vehicle-mounted electrical connector, the stability and reliability of the connection of the H-MTD connector directly affect the driving safety, and since the butt joint end of the connector may be a cable connector, the risk of shell loosening caused by the pulling action of the cable connector may be caused, thereby affecting the driving safety.

In view of the above, there is a need for an improved electrical connector to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric connector, it can improve electric connection's reliability and stability.

In order to realize the above-mentioned utility model purpose, the utility model provides an electric connector, it include the body, accept in this internal terminal module and assemble in this external shell, the terminal module includes conductive terminal and is fixed in the outer insulating inner core of conductive terminal, the body has from a pair of slot of its front end undercut formation and is located slot rear side and the accepting groove that links to each other with it, the shell has a pair of lug that is located its rear end and protruding locating its inner wall, the lug inserts from the forward backward the slot back downstream and with the interference phase looks card that sets up in the accepting groove is solid, so that the shell is successively along fore-and-aft direction and upper and lower direction equipment and card in the body.

As a further improvement of the present invention, the receiving groove is formed by recessing the top of the body downward and includes a first receiving groove and a second receiving groove which are connected to each other to form an n-shape, the first receiving groove is concavely formed on the top surface of the body, the second receiving groove is concavely formed on the side surface of the body, the housing further has a flange which is suddenly disposed on the lower surface of the top wall thereof, the flange is clamped on the first receiving groove, and the interference portion is suddenly disposed on the second receiving groove.

As a further improvement of the present invention, in the height direction, the interference portion is located at a lower side of the insertion groove.

As a further improvement of the present invention, the housing has a top wall and a pair of side walls which are located at the rear side thereof and are n-shaped, the top wall has a flange located at the rear side thereof and a mounting groove adjacently provided at the front side of the flange, and each of the side walls is provided with the projection protrusively toward the surface of the other side wall.

As a further improvement, the body has and is square base member and locates suddenly the base member front side just is pipy butt joint body, slot and accepting groove are all concavely located the outside of base member.

As a further improvement of the present invention, the butt joint body has a first pipe body located at the front side and a second pipe body located at the rear side, the insulating inner core is in interference fit with the second pipe body, and the contact portion of the conductive terminal is exposed in the first pipe body.

As a further improvement of the present invention, the insulating inner core has a holding portion fixed to the conductive terminal and a spacing portion located at the rear side of the holding portion, the holding portion and the spacing portion are connected to each other to form an L-shape, and a plurality of convex strips extending in the front-rear direction and engaged with the second pipe body are formed on the outer wall surface of the holding portion.

As a further improvement of the present invention, the holding portion top and the bottom are provided with the convex strip extending from the front end surface of the holding portion to the front end surface of the limiting portion, the holding portion side portion is provided with the convex strip extending from the front end surface of the holding portion to the rear end surface of the limiting portion.

As a further improvement of the present invention, the conductive terminal has a fixing portion fixed to the insulating inner core by interference, and a soldering portion located at the front side of the fixing portion and formed by bending and extending downward from the rear end of the fixing portion.

As a further improvement of the present invention, the limiting portion has a rearward opening for accommodating the accommodating groove of the welding portion.

The utility model has the advantages that: the utility model discloses electric connector realizes the stability of being connected between shell and the body through adopting along fore-and-aft direction and upper and lower direction equipment shell, avoids it to produce not hard up phenomenon under butting connector's the effect of drawing, guarantees electric connection's stability and reliability.

Drawings

Fig. 1 is a perspective view of the electric connector of the present invention.

Fig. 2 is a view of the electrical connector of fig. 1 from another perspective.

Fig. 3 is an exploded perspective view of the electrical connector shown in fig. 1.

Fig. 4 is a perspective view of the housing of the electrical connector shown in fig. 1.

Fig. 5 is a perspective assembly view of the electrical connector of fig. 1 with the housing removed.

Fig. 6 is a partially assembled view of the electrical connector shown in fig. 3.

Fig. 7 is an assembled view of the housing of the electrical connector of fig. 1.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiment, and structural, method, or functional changes made by those skilled in the art according to the present invention are all included in the scope of the present invention.

Referring to fig. 1 to 7, the present invention provides an electrical connector 100, which includes a body 1, a terminal module accommodated in the body 1, and a housing 4 assembled outside the body 1, wherein the terminal module includes a conductive terminal 2 and an insulating inner core 3 fixed outside the conductive terminal 2.

The body 1 has a pair of slots 112 recessed from the front end thereof to the rear and a receiving slot 113 located at the rear side of the slots 112 and connected thereto, the housing 4 has a pair of protrusions 401 protruding from the inner wall thereof and located at the rear end thereof, the protrusions 401 are inserted into the slots 112 from the front to the rear (as shown by arrow a in fig. 7), then move downward (as shown by arrow B in fig. 7) and are engaged with the interference portions 1131 provided in the receiving slot 113, so that the housing 4 is assembled and engaged with the body 1 in the front-rear direction and the up-down direction. Thus, the housing 4 needs to be moved in two directions to be assembled and disassembled, so that the loosening phenomenon caused by pulling in the front and rear directions can be avoided.

Specifically, in the present invention, the body 1 is made of a metal material, the receiving groove 113 is formed by being recessed downward from the top of the body 1 and includes a first receiving groove 1132 and a second receiving groove 1133 which are connected to each other to form an n-shape, the first receiving groove 1132 is concavely disposed on the top surface of the body 1, the second receiving groove 1133 is concavely disposed on the side surface of the body 1, and further, the second receiving groove 1133 is disposed on both sides of the body 1 in the transverse direction, and the two second receiving grooves 1133 are symmetrically disposed in the transverse direction.

The housing 4 further has a flange 402 protruding from a lower surface of the top wall 41, the flange 402 is engaged with the first receiving groove 1132, and the interference portion 1131 protrudes from the second receiving groove 1133. Further, in the height direction, the interference portion 1131 is located at the lower side of the insertion groove 112.

The housing 4 has an n-shaped top wall 41 and a pair of side walls 42 at the rear side thereof, the top wall 41 has the flange 402 at the rear side thereof and a mounting groove 403 adjacently disposed at the front side of the flange 402, and each side wall 42 is provided with the protrusion 401 protruding toward the surface of the other side wall 42.

The body 1 has a square base body 11 and a tubular butt-joint body 12 protruding from the front side of the base body 11, and the insertion slot 112 and the receiving slot 113 are both recessed outside the base body 11. In the present embodiment, the housing 4 has a docking cavity 40, and the docking body 12 is exposed in the docking cavity 40.

The mating body 12 has a first tube 121 located at the front side and a second tube 122 located at the rear side, the insulating inner core 3 is in interference fit with the second tube 122, and the contact portion 21 of the conductive terminal 2 is exposed in the first tube 121. In addition, the body 1 further has a plurality of cylindrical mounting legs 13 protruding downward from the lower surface of the base 11.

The insulating inner core 3 has a holding portion 31 fixed to the conductive terminal 2 and a limiting portion 32 located behind the holding portion 31, the holding portion 31 and the limiting portion 32 are connected to form an L shape, and a plurality of protruding strips 312 extending in the front-back direction and engaged with the second tube 122 are formed on the outer wall surface of the holding portion 31 in a protruding manner.

The protruding strips 312 provided at the top and bottom of the holding portion 31 extend from the front end surface 310 of the holding portion 31 to the front end surface 320 of the limiting portion 32, and the protruding strips 312 provided at the side of the holding portion 31 extend from the front end surface 310 of the holding portion 31 to the rear end surface 321 of the limiting portion 32, so as to ensure that the insulating core 3 is reliably fixed in the body 1.

The utility model discloses in, electric connector 100 has along the transverse direction set up side by side a pair of conductive terminal 2, wherein, each conductive terminal 2 has the interference and is fixed in fixing portion 22, the position of insulating inner core 3 fixing portion 22 front side just is columnar contact site 21 reaches certainly the rear end of fixing portion 22 is buckled downwards and is extended the weld part 23 that forms, the upper segment of weld part 23 is rectangular column shape, the lower extreme is cylindricly in order to install on external circuit board.

The position-limiting portion 32 has a receiving groove 322 that is opened backward to receive the welding portion 23, the receiving groove 322 is in front-back communication with the terminal groove 311 provided on the holding portion 31, and the receiving groove 322 is in a T shape with a wide top and a narrow bottom when viewed from the back to the front.

To sum up, the utility model discloses electric connector 100 assembles shell 4 to the body 1 outside through adopting along fore-and-aft direction and two directions of upper and lower direction to realize the stability of being connected between shell 4 and the body 1, avoid it to produce not hard up phenomenon under the drawing effect of butting connector (not shown), guarantee electric connection's stability and reliability.

Terms such as "upper," "lower," "left," "right," "front," "rear," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one feature's relationship to another feature as illustrated in the figures. It will be understood that the spatially relative positional terms may be intended to encompass different orientations than those shown in the figures depending on the product presentation position and should not be construed as limiting the claims. In addition, the descriptor "horizontal" as used herein is not entirely equivalent to allowing an angular tilt along a direction perpendicular to the direction of gravity.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. An electric connector comprises a body, a terminal module contained in the body and an outer shell assembled outside the body, wherein the terminal module comprises a conductive terminal and an insulating inner core fixed outside the conductive terminal, and is characterized in that: the body is provided with a pair of slots formed by sinking from the front end to the back end and an accommodating groove which is positioned at the back side of the slots and is connected with the slots, the shell is provided with a pair of lugs which are positioned at the back end and are convexly arranged on the inner wall surface of the shell, and the lugs are inserted into the slots from front to back and then move downwards and are clamped with interference parts arranged in the accommodating groove, so that the shell is assembled and clamped on the body along the front-back direction and the up-down direction successively.

2. The electrical connector of claim 1, wherein: the accommodating grooves are formed by sinking downwards from the top of the body and comprise a first accommodating groove and a second accommodating groove which are connected in an n shape, the first accommodating groove is concavely arranged on the top surface of the body, the second accommodating groove is concavely arranged on the side surface of the body, the shell is also provided with a flange which is convexly arranged on the lower surface of the top wall of the shell, the flange is clamped in the first accommodating groove, and the interference part is convexly arranged in the second accommodating groove.

3. The electrical connector of claim 2, wherein: the interference portion is located at a lower side of the insertion groove in a height direction.

4. The electrical connector of claim 3, wherein: the shell is provided with an n-shaped top wall and a pair of side walls, the top wall is provided with a flange and a mounting groove, the flange is located on the rear side of the top wall, the mounting groove is adjacently arranged on the front side of the flange, and the surface of each side wall, facing to the other side wall, is provided with the protruding block in a protruding mode.

5. The electrical connector of claim 2, wherein: the body is provided with a square base body and a tubular butt joint body which is arranged on the front side of the base body in a protruding mode, and the inserting groove and the containing groove are both arranged on the outer side of the base body in a concave mode.

6. The electrical connector of claim 5, wherein: the butt joint body is provided with a first pipe body positioned on the front side and a second pipe body positioned on the rear side, the insulating inner core is in interference fit with the second pipe body, and the contact part of the conductive terminal is exposed in the first pipe body.

7. The electrical connector of claim 6, wherein: the insulating inner core is provided with a holding part fixed with the conductive terminal and a limiting part positioned at the rear side of the holding part, the holding part and the limiting part are connected in an L shape, and a plurality of convex strips which extend along the front-back direction and are matched with the second pipe body are convexly arranged on the outer wall surface of the holding part.

8. The electrical connector of claim 7, wherein: the convex strips arranged at the top and the bottom of the holding part extend from the front end surface of the holding part to the front end surface of the limiting part, and the convex strips arranged at the side part of the holding part extend from the front end surface of the holding part to the rear end surface of the limiting part.

9. The electrical connector of claim 7, wherein: the conductive terminal is provided with a holding part fixed on the insulating inner core in an interference mode, the contact part which is located on the front side of the holding part and is columnar, and a welding part formed by bending and extending downwards from the rear end of the holding part.

10. The electrical connector of claim 9, wherein: the limiting part is provided with a containing groove which is opened backwards and used for containing the welding part.