CN217405828U

CN217405828U - Electric connector and electric connector combination

Info

Publication number: CN217405828U
Application number: CN202221002045.9U
Authority: CN
Inventors: 吴永发; 吴祝平; 方志宏
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-09-09
Anticipated expiration: 2032-04-28

Abstract

The utility model provides an electric connector, include insulator, be fixed in the terminal group on the insulator and be located a pair of metal hasp spare of terminal group both sides, insulator is equipped with a basal portion and the butt joint portion of stretching out forward from the basal portion, the butt joint portion is equipped with a roof and a pair of lateral wall, the outer wall of lateral wall is equipped with and holds the draw-in groove of metal hasp spare, still be formed with a long and narrow type concave way in the draw-in groove, metal hasp spare is equipped with a fixed part and the hasp arm that extends forward from the fixed part, hasp arm card is held in the draw-in groove and be equipped with a lockhole. Compared with the prior art, the utility model discloses a both sides at the butt joint portion of electric connector set up metal hasp piece to utilize metal hasp piece and butt joint connector buckle location, because metal hasp piece is the metal material, have good intensity and latched force, can strengthen the plug power between two connectors greatly, make relation of connection between them more stable, reliable, difficult pine takes off.

Description

Electric connector and electric connector combination

Technical Field

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

Background

With the trend of miniaturization and lightness of consumer electronic products such as notebooks, tablet computers, mobile phones and the like, requirements on design and manufacturing processes of parts of the consumer electronic products are higher and higher, and as the products are lighter and thinner, the internal space of the consumer electronic products becomes very narrow, so that the layout of electrical elements on a circuit board is very dense, and an electric connector is taken as the most important and most common electrical element on the circuit board, and bears important roles of signal transmission and power transmission to establish communication connection among different electrical elements. The electrical connector is one of the most important connectors, and often faces an application scenario of frequent plugging, especially for some electrical connectors with higher use frequency, such as USB connectors, HDMI high definition connectors, and Docking connectors, for such electrical connectors, the problems of reduced plugging force and loose plugging are very likely to occur under the condition of frequent plugging or improper use, thereby affecting the contact stability of the electrical connector.

In view of the above, it is necessary to provide a novel electrical connector to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the present invention is to provide an electrical connector and an electrical connector assembly to improve the problems of the prior art, such as reduced insertion force and easy loosening of the insertion.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides an electric connector, includes insulator, is fixed in the terminal group on the insulator and is located a pair of metal hasp spare of terminal group both sides, insulator is equipped with a basal portion and the butt joint portion of stretching out forward from the basal portion, butt joint portion is equipped with a roof and a pair of lateral wall, the outer wall of lateral wall is equipped with and holds the draw-in groove of metal hasp spare, still be formed with a long and narrow type concave way in the draw-in groove, metal hasp spare is equipped with a fixed part and the hasp arm that extends forward from the fixed part, the hasp arm card is held in the draw-in groove and be equipped with a lockhole.

Further, the concave channel is positioned on the inner side of the latch arm, and the concave channel extends from back to front and exceeds the position of the lock hole.

Furthermore, the clamping groove and the concave channel extend along the front-back direction and penetrate through the base part backwards, a front end face is arranged on the side wall of the butt joint part, and only the clamping groove extends forwards and penetrates through the front end face in the clamping groove and the concave channel.

Further, the length of the clamping groove is larger than that of the concave channel, and the clamping groove is wider than the concave channel.

Furthermore, the top wall and the pair of side walls of the butt joint part form an inverted U-shaped structure, the pair of side walls vertically extend downwards from two sides of the top wall, and an inserting space is formed between the two side walls.

Furthermore, the terminal group and the metal locking piece are inserted into the insulating body from back to front, and the terminal group is provided with contact arms distributed in the insertion space.

Furthermore, the metal lock catch piece is sheet-shaped, the lock catch arm is strip-shaped, and the lock catch is square.

Furthermore, the fixing portion is clamped in the base of the insulating body, and the latch arm and the fixing portion are located in the same plane.

The utility model also provides an electric connector combination, it includes an electric connector and a butt joint connector, the electric connector is equipped with an insulator and is fixed in insulator's a pair of metal hasp spare, insulator is equipped with a basal portion and a butt joint portion, the butt joint connector is equipped with a butt joint chamber and a pair of metal buckle spare of protruding income butt joint intracavity, butt joint portion is equipped with a roof and a pair of lateral wall, the outer wall of lateral wall is equipped with and holds the draw-in groove of metal hasp spare, metal hasp spare is equipped with one and inserts and arrange in hasp arm in the draw-in groove, just a lockhole has been seted up on the hasp arm.

Furthermore, a long and narrow concave channel is formed in the clamping groove, a butt joint boss and a pair of positioning grooves located on two sides of the butt joint boss are arranged in a butt joint cavity of the butt joint connector, the pair of side walls are inserted into the positioning grooves, and the tail end of the metal buckle piece protrudes into the positioning grooves to be matched with the locking holes of the locking arms in a buckling mode.

Compared with the prior art, the utility model discloses a both sides at the butt joint portion of electric connector set up metal hasp piece to utilize metal hasp piece and butt joint connector buckle location, because metal hasp piece is the metal material, have good intensity and latched force, can strengthen the plug power between two connectors greatly, make relation of connection between them more stable, reliable, difficult pine takes off.

Drawings

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

Fig. 2 is a rear side view of the electrical connector of the present invention.

Fig. 3 is an exploded perspective view of the electrical connector of the present invention.

Fig. 4 is a schematic cross-sectional view of the electrical connector of the present invention along the horizontal direction.

Fig. 5 is a perspective view of the butt end connector of the electrical connector of the present invention.

Fig. 6 is a schematic cross-sectional view of the butt end connector of the electrical connector according to the present invention along the horizontal direction.

Detailed Description

Referring to fig. 1 to 6, the present invention provides an electrical connector 100, including: the terminal assembly comprises an insulating body 10, a terminal group 20 accommodated in the insulating body 10, metal locking pieces 30 fixed on two sides of the terminal group 20, and a metal shell 40 coated on the insulating body 10, wherein the terminal group 20 is used for realizing electrical insertion with a pair of end connectors 200, the metal locking pieces 30 are used for locking and locking the end connectors 200 so as to enhance the insertion and extraction force between the two, and the metal shell 40 is used for shielding and protecting. The structures of the above-described respective components are explained in detail below.

The insulation body 10 is provided with a base portion 11 and a butt joint portion 12 protruding forward from the base portion 11, the top surface of the base portion 11 is provided with a plurality of protruding portions 13 for being clamped and matched with the metal shell 40, the butt joint portion 12 is of an inverted U-shaped structure and is provided with a top wall 14 and a pair of side walls 15 extending downward from two sides of the top wall 14 integrally, and an insertion space 16 for inserting the butt joint end connector is formed between the top wall 14 and the side walls 15. The top surface of the top wall 14 is a flat surface and is lower than the top surface of the base 11, the side wall 15 is provided with a slot 17 on the outer wall surface away from the insertion space 16 for mounting the metal locking element 30, the slot 17 extends backward and penetrates through the base 11 of the insulating body 10 so that the metal locking element 30 can be inserted into the slot 17 from back to front, the slot 17 extends forward and penetrates through the front end surface 151 of the side wall 15 so as to be conveniently locked with the butt end connector, as shown in fig. 3 and 4, a long and narrow concave channel 18 is further provided in the slot 17, the long and narrow concave channel 18 is located on the inner side of the metal locking element 30, so that the metal locking element 30 has a certain deformation space, and the long and narrow concave channel 18 also provides a certain abdication space, so that the locking hole 19 (referred to the back) of the metal locking element 30 has a larger depth in the hole, so as to be able to lock the butt end connector better, the elongated channel 18 also extends in the front-rear direction and extends rearwardly through the base 11 of the insulating body 10, the length of the elongated channel 18 being smaller than the length of the locking slot 17.

The terminal set 20 is inserted into the insulating body 10 from the rear to the front, and the terminal set 20 includes a plurality of conductive terminals 21 arranged at equal intervals, the conductive terminal 21 has a main body arm 22, a contact arm 23 extending from the main body arm 22 to the front into the mating cavity 14, and a mounting arm 24 extending from the main body arm 22 to the rear of the insulating body 10, wherein the main body arm 22 is clamped on the base 11 for fixedly combining with the insulating body 10, the contact arm 23 is mounted on the mating portion 12 for electrically contacting with the mating connector 200, and the mounting arm 24 is L-shaped and connected to a circuit board (not shown) by welding to realize the mounting and fixing with the circuit board (not shown).

The metal locking element 30 is inserted into the insulating body 10 and clamped in the clamping groove 17, the metal locking element 30 is sheet-shaped, and is provided with a fixing portion 31, a tail portion 32 formed by downwardly extending the rear side of the fixing portion 31 and a long-strip-shaped locking arm 33 extending forwards from the front side of the fixing portion 31, wherein the fixing portion 31 is fixed with the base portion 11 of the insulating body 10 in an interference manner, the fixing portion 31 is flat, and the width of the fixing portion is greater than the width of the locking arm 33 and the width of the tail portion 32. The tail portion 32 extends vertically downward for insertion into the circuit board (not shown) for mounting and securing. The latch arm 33 is in the shape of a strip and a sheet, and is provided with a square locking hole 19 for locking the butt-end connector 200, and the locking hole 19 penetrates through the latch arm 33. It should be noted that the metal locking element 30 is completely embedded in the locking groove 17 of the sidewall 15, and does not protrude out of the locking groove 17.

The metal shell 40 is wrapped on the periphery of the insulating body 10 and used for playing a role in protection and signal shielding, the metal shell 40 is used for being welded and fixed with a circuit board, so that the electric connector 100 can be reliably fixed on the circuit board, in addition, a metal outer cover 50 is further installed on the surface of the metal shell 40, the metal outer cover 50 is installed on the rear side of the metal shell 40 and is positioned by being buckled with the metal shell 40, the metal outer cover 50 is further provided with a shielding plate 51, and the shielding plate 51 vertically extends downwards and covers the rear side of the base part 11.

As shown in fig. 5, the butt end connector 200 is used for being plugged with the electrical connector 100, and is provided with a butt cavity and a pair of metal snap-fit members 202 protruding into the butt cavity 201, where the metal snap-fit members 202 are used for being snap-fitted with the metal snap-fit members 30 of the electrical connector 100, specifically, the ends of the metal snap-fit members 202 protrude into the butt cavity 201, and when two connectors are plugged, the ends will be snap-fitted with the locking holes 19 of the metal snap-fit members 30, so as to fix the metal snap-fit members 202 and the metal snap-fit members 30 together, and enhance the stability and reliability of the connection relationship between the two connectors. In addition, still be equipped with a butt joint boss 203 and be located the constant head tank 204 of butt joint boss 203 both sides in the butt joint chamber 201 of butt joint connector 200, butt joint boss 203 be used for with the grafting is realized to the butt joint portion 12 of electric connector 100, wherein, the lateral wall 15 of the butt joint portion 12 of electric connector 100 is inserted and is arranged in the constant head tank 204 for metal locking part 30 on the lateral wall 15 can realize the buckle with the metal buckle spare 202 in the constant head tank 204 and fix, thereby realizes electric connector 100 and the firm cooperation of butt joint connector 200, forms an electric connector combination.

To sum up, the utility model discloses a both sides at electric connector 100's butt joint portion 12 set up metal hasp piece 30 to utilize

metal hasp piece

30 and 200 buckle location of butt joint connector, because metal hasp piece 30 is the metal material, have good intensity and latched force, can strengthen the plug power between two connectors greatly, make relation of connection between them more stable, reliable, difficult pine takes off.

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 will be able to make many possible variations and modifications to the technical solution of the present invention without departing from the technical solution of the present invention, and the technical solution of the present invention disclosed above is covered by the claims.

Claims

1. The utility model provides an electric connector, includes insulator, is fixed in terminal group on the insulator and is located a pair of metal hasp spare of terminal group both sides, the insulator is equipped with a basal portion and the butt joint portion that stretches out forward from the basal portion, its characterized in that: the butt joint part is provided with a top wall and a pair of side walls, the outer wall surface of each side wall is provided with a clamping groove for accommodating the metal lock catch piece, a long and narrow concave channel is further formed in each clamping groove, each metal lock catch piece is provided with a fixing part and a lock catch arm extending forwards from the fixing part, and each lock catch arm is clamped in each clamping groove and provided with a lock hole.

2. The electrical connector of claim 1, wherein: the concave channel is positioned on the inner side of the lock catch arm, and the concave channel extends forwards from the back and exceeds the position of the lock hole.

3. The electrical connector of claim 2, wherein: the clamping groove and the concave channel extend along the front-back direction and penetrate through the base part backwards, a front end face is arranged on the side wall of the butt joint part, and only the clamping groove extends forwards and penetrates through the front end face in the clamping groove and the concave channel.

4. The electrical connector of claim 3, wherein: the length of the clamping groove is greater than that of the concave channel, and the clamping groove is wider than the concave channel.

5. The electrical connector of claim 4, wherein: the top wall and the pair of side walls of the butt joint part form an inverted U-shaped structure, the pair of side walls vertically extend downwards from two sides of the top wall, and an inserting space is formed between the two side walls.

6. The electrical connector of claim 5, wherein: the terminal group and the metal locking piece are inserted into the insulating body from back to front, and the terminal group is provided with contact arms distributed in the insertion space.

7. The electrical connector of any one of claims 1 to 6, wherein: the metal lock catch piece is sheet-shaped, the lock catch arm is strip-shaped, and the lock catch is square.

8. The electrical connector of claim 7, wherein: the fixing part is clamped in the base of the insulating body, and the latch arm and the fixing part are positioned in the same plane.

9. The utility model provides an electric connector combination, includes an electric connector and a butt joint connector, the electric connector is equipped with an insulator and is fixed in insulator's a pair of metal hasp spare, insulator is equipped with a basal portion and a butt joint portion, the butt joint connector is equipped with a butt joint chamber and the protruding a pair of metal buckle spare of going into the butt joint intracavity, its characterized in that: the butt joint part is provided with a top wall and a pair of side walls, the outer wall surface of each side wall is provided with a clamping groove for accommodating the metal lock catch piece, the metal lock catch piece is provided with a lock catch arm which is inserted into the clamping groove, and the lock catch arm is provided with a lock hole.

10. The electrical connector assembly of claim 9, wherein: the locking device is characterized in that a long and narrow concave channel is further formed in the clamping groove, a butt joint boss and a pair of positioning grooves located on two sides of the butt joint boss are arranged in a butt joint cavity of the butt joint connector, the pair of side walls are inserted into the positioning grooves, and the tail end of the metal buckle piece protrudes into the positioning grooves to be matched with the locking holes of the locking arms in a buckling mode.