CN214754305U - Type C female connector with firm internal structure - Google Patents

Abstract

The utility model discloses a Type C female socket connector with firm internal structure, which comprises an upper row of terminal groups, a lower row of terminal groups, a middle clamping piece and a shielding shell, wherein the lower row of terminal groups and the middle clamping piece are fixed in a primary insulator through injection molding, and the upper row of terminal groups is combined and fixed with the primary insulator through a glue melting mode; concave-convex structures are respectively arranged on the upper surface and the lower surface of the primary insulator; the primary insulator is also provided with a through hole, and the secondary insulator is formed outside the primary insulator in an injection molding mode. The utility model firstly forms a primary insulator to fix the lower row terminal group and the middle clamping piece by one-time injection molding, so that the firmness of fixing the lower row terminal group and the middle clamping piece with the primary insulator is high; meanwhile, the through hole is formed in the primary insulator, and the concave-convex structures are arranged on the upper surface and the lower surface of the primary insulator, so that when the secondary insulator is formed, the rubber material can penetrate through the through hole to be fused into a whole and can be injected into the concave-convex structures, and therefore the primary insulator and the secondary insulator cannot be loosened.

Description

Type C female connector with firm internal structure

Technical Field

The utility model relates to an electronic product connector technical field, concretely relates to TYPE-C female socket connector.

Background

The Type-C interface has the advantages of small size, support of non-split plug-in and the like, so that the Type-C interface is widely applied to electronic equipment such as mobile phones, tablet computers and cameras and becomes a trend of future data line interfaces. The traditional TYPE-C interface generally comprises a metal shielding shell, an insulator, an upper conductive terminal, a lower conductive terminal, a middle clamping piece and the like, and the technical characteristics of the existing products of the TYPE C connector show that the fixation of the upper terminal and the lower terminal can be realized mostly through more than two times of forming, so that the common problem in the industry at present is that the separation problem can be caused because the secondary forming and the tertiary forming insulator cannot be melted, and the service life and the stability of the connector are influenced. Therefore, the upper row of terminal groups, the lower row of terminal groups and the middle clamping piece are fused and fixed with the insulator in a glue melting mode, so that the problem of cracking is solved. However, in the connector manufactured by the completely glue-melting scheme, the original protruding part is basically melted and leveled after the primary insulator is melted, so that the secondary insulator is basically sleeved on the primary insulator after the secondary insulator is molded.

In addition, because the insulator is thin, the amount of glue covered on the upper and lower rows of terminal groups and the middle clamping piece after double-sided glue melting is small, and the contact part of the terminal is exposed, so that the firmness of fixing the terminal groups is not high enough, the plugging resistance is not ideal, and the longest service life (plugging times) is about 10000 cycles.

SUMMERY OF THE UTILITY MODEL

The utility model discloses shortcoming to prior art exists provides a simple structure, designs more rationally, easily assembly production, difficult not hard up between primary insulator and the secondary insulator, resistant plug performance is better, inner structure is more firm Type C female connector, especially is to the connector of 10P conductive terminal.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a firm Type C female socket connector of inner structure, is including last row of terminal group, lower row of terminal group, well clamping piece and shielding shell, and last row of terminal group and lower row of terminal group are respectively including a plurality of conductive terminals that the quantity is the same, its characterized in that: the lower row terminal group and the middle clamping piece are fixed in the injection-molded primary insulator in an injection molding mode, so that the lower row terminal group, the middle clamping piece and the primary insulator form an integral component; each conductive terminal of the upper row of terminal group is fixedly combined with the primary insulator in a glue melting mode; the upper surface of the primary insulator is provided with a plurality of convex parts, so that the upper surface of the primary insulator forms a concave-convex structure; the lower surface of the primary insulator is provided with a plurality of convex structures, so that the lower surface of the primary insulator also forms a concave-convex structure; the primary insulator is also provided with a plurality of through holes penetrating through the upper surface and the lower surface of the primary insulator, the secondary insulator is molded outside the primary insulator in an injection molding mode, and the secondary insulator enters the through holes of the primary insulator and the concave-convex structures on the upper surface and the lower surface of the primary insulator during molding to form an integral structure tightly combined with the primary insulator; the secondary insulator covers the main body part of the lower row of terminal group, the main body part of the upper row of terminal group, the primary insulator and the middle clamping piece, and the shielding shell covers the outside of the secondary insulator.

Furthermore, a plurality of reserved convex parts extending upwards are reserved on the upper surface of the primary insulator, reserved grooves for containing all conductive terminals of the upper row of terminal groups are formed between the reserved convex parts, and the number of the reserved grooves is the same as that of the conductive terminals of the upper row of terminal groups; and after the conductive terminals of the upper row of terminal groups are arranged in the reserved grooves, the reserved convex parts are melted in a glue melting mode so as to realize the combination and fixation of the upper row of terminal groups and the primary insulator.

Furthermore, a clamping surface is formed at the position of the clamping piece in the secondary insulator coating, and the front sections of the conductive terminals of the upper row of terminal group and the lower row of terminal group are respectively exposed to a part on the upper surface and the lower surface of the clamping surface to form butting parts for realizing electric connection.

Furthermore, all the reserved convex parts are aligned into a row, a plurality of glue melting convex parts are formed after glue melting and solidification of all the reserved convex parts, and the middle positions of all the conductive terminals of the upper row of terminal groups are pressed through the glue melting convex parts; a plurality of concave parts are formed between adjacent glue melting convex parts, and a part of concave-convex structure of the upper surface of the primary insulator is formed by each glue melting convex part and each concave part.

Furthermore, rear terminal grooves with the same number as the number of the conductive terminals of the upper row of terminal groups are arranged near the tail end of the upper surface of the primary insulator, and the conductive terminals of the upper row of terminal groups are respectively embedded into the corresponding rear terminal grooves and are sealed in the rear terminal grooves when the secondary insulator is molded; each rear terminal groove is partitioned by the convex parts at two sides, and the convex parts and the rear terminal grooves form another part of concave-convex structure on the upper surface of the primary insulator; the upper parts of two sides of the convex part separated into the rear terminal groove are of inclined plane structures, so that the rear terminal groove forms a flaring shape, and the conductive terminal can be conveniently installed.

Furthermore, front terminal grooves with the same number as the number of the conductive terminals of the upper row of terminal groups are arranged at the position, close to the front end, of the upper surface of the primary insulator, the front ends of the conductive terminals of the upper row of terminal groups are respectively embedded into the corresponding front terminal grooves, the front ends of the conductive terminals of the upper row of terminal groups are sealed in the front terminal grooves when the wrapping and clamping surface of the secondary insulator is formed, and a part of the conductive terminals of the upper row of terminal groups are exposed on the wrapping and clamping surface so as to realize electric contact after the connector is plugged.

Furthermore, the rear sections of the conductive terminals of the upper row of terminal group and the lower row of terminal group are both Z-shaped 90-degree bending structures (namely, the conductive terminals are bent for 90 degrees twice), and the conductive terminals extend out from the upper surface of the secondary insulator and then are bent for 90 degrees and extend backwards, so that one section of bent part of each conductive terminal is formed in the secondary insulator by injection molding, and the plugging resistance of the conductive terminals can be further improved.

The utility model firstly forms a primary insulator to fix the lower row terminal group and the middle clamping piece by one-time injection molding, so that the firmness of fixing the lower row terminal group and the middle clamping piece with the primary insulator is high; set up the through-hole simultaneously in primary insulator to all set up concave-convex structure on its upper and lower surface, so when shaping secondary insulator the sizing material can pass the through-hole and fuse as an organic whole and pour into concave-convex structure into, thereby can form extremely firm combination with primary insulator, make the two can not take place to become flexible. In addition, the upper row of terminal groups are fixed through single-side one-time glue melting, so that the glue melting surfaces of the upper row of terminal groups can be thicker, the firmness of combination is improved, and the problem that the traditional connecting circuit internal insulator cannot be fused to cause cracking due to the fact that double-layer injection molding is adopted is solved.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a view of the shield case of the present invention when it is not assembled during the assembly process;

FIG. 3 is a view showing the structure of the secondary insulator when it is not molded during the assembly process of the present invention;

FIG. 4 is a block diagram of the lower row of terminal sets and the middle clip joined by a primary insulator;

FIG. 5 is a view of the lower row of terminal sets and the middle clip at another angle after being bonded together by a primary insulator;

fig. 6 is a fitting structure diagram of the lower row terminal set, the upper row terminal set and the middle clip piece.

In the figure, 1 is a lower row terminal set, 2 is an upper row terminal set, 3 is a primary insulator, 31 is a reserved convex portion, 32 is a reserved groove, 33 is a glue melting convex portion, 34 is a rear terminal groove, 35 is a front terminal groove, 36 is a convex portion, 37 is a concave portion, 38 is a convex structure, 39 is a through hole, 4 is a middle clamping piece, 5 is a secondary insulator, 51 is an enveloping surface, and 6 is a shielding shell.

Detailed Description

In this embodiment, referring to fig. 1 to 6, the Type C female connector with a firm internal structure includes an upper row terminal set 1, a lower row terminal set 2, a middle clamping piece 4 and a shielding shell 6, where the upper row terminal set 2 and the lower row terminal set 1 respectively include a plurality of conductive terminals with the same number; the lower row terminal group 1 and the middle clamping piece 4 are fixed in the injection-molded primary insulator 3 through injection molding, so that the lower row terminal group 1, the middle clamping piece 4 and the primary insulator 3 form an integral component; each conductive terminal of the upper row terminal group 2 is combined and fixed with the primary insulator 3 in a glue melting mode; a plurality of convex parts 36 are arranged on the upper surface of the primary insulator 3, so that the upper surface of the primary insulator 3 forms a concave-convex structure; a plurality of convex structures 38 are arranged on the lower surface of the primary insulator 3, so that the lower surface of the primary insulator 3 also forms a concave-convex structure; a plurality of through holes 39 penetrating through the upper surface and the lower surface of the primary insulator 3 are further arranged on the primary insulator 3, a secondary insulator 5 is molded outside the primary insulator 3 in an injection molding mode, and the secondary insulator 5 enters the through holes 39 of the primary insulator 3 and the concave-convex structures on the upper surface and the lower surface of the through holes to form an integral structure tightly combined with the primary insulator 3 during molding; the secondary insulator 5 covers the main body of the lower row terminal set 1, the main body of the upper row terminal set 2, the primary insulator 3, and the middle clip 4, and the shield case 6 covers the outside of the secondary insulator 5.

A plurality of reserved convex parts 31 which extend upwards are reserved on the upper surface of the primary insulator 3, reserved grooves 32 for containing all conductive terminals of the upper row of terminal group 2 are formed between the reserved convex parts 31, and the number of the reserved grooves 32 is the same as that of the conductive terminals of the upper row of terminal group 2; after each conductive terminal of the upper row terminal group 2 is installed in the reserved groove 32, the reserved convex part 31 is melted by a glue melting mode so as to realize the combination and fixation of the upper row terminal group 2 and the primary insulator 3.

And a clamping surface 51 is formed at the position where the secondary insulator 5 covers the middle clamping piece 4, and the front sections of the conductive terminals of the upper row terminal group 2 and the lower row terminal group 1 are respectively exposed to a part on the upper surface and the lower surface of the clamping surface 51 to form butting parts for realizing electric connection.

All the reserved convex parts 31 are aligned into a row, a plurality of glue melting convex parts 33 are formed after glue melting and solidification of all the reserved convex parts 31, and the middle positions of all the conductive terminals of the upper row of terminal group 2 are pressed through the glue melting convex parts 33; a plurality of concave portions 37 are formed between adjacent glue-melted convex portions 33, and the concave portions 37 and the convex portions 33 form a part of the concave-convex structure on the upper surface of the primary insulator 3.

Rear terminal grooves 34 are formed in the upper surface of the primary insulator 3 near the rear end, the number of the rear terminal grooves 34 is the same as that of the conductive terminals of the upper row of terminal groups 2, the conductive terminals of the upper row of terminal groups 2 are respectively embedded into the corresponding rear terminal grooves 34, and the conductive terminals of the upper row of terminal groups 2 are sealed in the rear terminal grooves 34 when the secondary insulator 5 is molded; each rear terminal groove 34 is partitioned by the convex parts 36 on both sides thereof, and the convex parts 36 and the rear terminal grooves 34 form another part of the concave-convex structure on the upper surface of the primary insulator 3; the upper portions of both sides of the protrusion 36 partitioned into the rear terminal groove 34 are formed in an inclined plane structure so that the rear terminal groove 34 is formed in a flared shape, which enables the conductive terminal to be conveniently loaded.

The upper surface of the primary insulator 3 is provided with front terminal grooves 35 with the same number as the number of the conductive terminals of the upper row terminal group 2 near the front end position, the front ends of the conductive terminals of the upper row terminal group 2 are respectively embedded into the corresponding front terminal grooves 35, and when the clamping surface 51 of the secondary insulator 5 is formed, the front ends of the conductive terminals of the upper row terminal group 2 are sealed in the front terminal grooves 35, and a part of the conductive terminals are exposed on the clamping surface 51, so that the electrical contact is realized after the connector is plugged.

The rear sections of the conductive terminals of the upper row of terminal group 2 and the lower row of terminal group 1 are both Z-shaped 90-degree bending structures (namely, the conductive terminals are bent for 90 degrees twice), and the conductive terminals extend out from the upper surface of the secondary insulator 5 and then are bent for 90 degrees and extend backwards, so that one section of bent part of each conductive terminal is formed in the secondary insulator 5 by injection molding, and the plugging resistance of the conductive terminals can be further improved.

It should be noted that the terms of the directions such as up, down, left, right, front, and back in the present invention are determined under the premise of a specific viewing angle, and when the viewing angle of the product changes, the terms of the directions should be changed accordingly.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.

Claims (7)

1. The utility model provides a firm Type C female socket connector of inner structure, is including last row of terminal group, lower row of terminal group, well clamping piece and shielding shell, and last row of terminal group and lower row of terminal group are respectively including a plurality of conductive terminals that the quantity is the same, its characterized in that: the lower row terminal group and the middle clamping piece are fixed in the injection-molded primary insulator in an injection molding mode, so that the lower row terminal group, the middle clamping piece and the primary insulator form an integral component; each conductive terminal of the upper row of terminal group is fixedly combined with the primary insulator in a glue melting mode; the upper surface of the primary insulator is provided with a plurality of convex parts, so that the upper surface of the primary insulator forms a concave-convex structure; the lower surface of the primary insulator is provided with a plurality of convex structures, so that the lower surface of the primary insulator also forms a concave-convex structure; the primary insulator is also provided with a plurality of through holes penetrating through the upper surface and the lower surface of the primary insulator, the secondary insulator is molded outside the primary insulator in an injection molding mode, and the secondary insulator enters the through holes of the primary insulator and the concave-convex structures on the upper surface and the lower surface of the primary insulator during molding to form an integral structure tightly combined with the primary insulator; the secondary insulator covers the main body part of the lower row of terminal group, the main body part of the upper row of terminal group, the primary insulator and the middle clamping piece, and the shielding shell covers the outside of the secondary insulator.

2. The Type C female connector with a firm internal structure according to claim 1, wherein: reserving a plurality of reserved convex parts extending upwards on the upper surface of the primary insulator, forming reserved grooves for containing all conductive terminals of the upper row of terminal groups between the reserved convex parts, wherein the number of the reserved grooves is the same as that of the conductive terminals of the upper row of terminal groups; and after the conductive terminals of the upper row of terminal groups are arranged in the reserved grooves, the reserved convex parts are melted in a glue melting mode so as to realize the combination and fixation of the upper row of terminal groups and the primary insulator.

3. The Type C female connector of claim 2, wherein: and the front sections of the conductive terminals of the upper row of terminal group and the lower row of terminal group are respectively exposed out of the upper surface and the lower surface of the clamping surface to form a butting part.

4. The Type C female connector of claim 2, wherein: all the reserved convex parts are aligned into a row, a plurality of glue melting convex parts are formed after glue melting and solidification of all the reserved convex parts, and the middle positions of all the conductive terminals of the upper row of terminal groups are pressed through the glue melting convex parts; a plurality of concave parts are formed between adjacent glue melting convex parts, and a part of concave-convex structure of the upper surface of the primary insulator is formed by each glue melting convex part and each concave part.

5. The Type C female connector of claim 4, wherein: rear terminal grooves with the same number as the number of the conductive terminals of the upper row of terminal groups are arranged at the positions close to the tail end of the upper surface of the primary insulator, all the conductive terminals of the upper row of terminal groups are respectively embedded into the corresponding rear terminal grooves, and all the conductive terminals of the upper row of terminal groups are sealed in the rear terminal grooves when the secondary insulator is molded; each rear terminal groove is partitioned by the convex parts at two sides, and the convex parts and the rear terminal grooves form another part of concave-convex structure on the upper surface of the primary insulator; the upper parts of two sides of the convex part separated into the rear terminal groove are of inclined plane structures, so that the rear terminal groove forms a flaring shape.

6. The Type C female connector with a firm internal structure according to claim 1, wherein: the upper surface of the primary insulator is provided with front terminal grooves with the same number as the conductive terminals of the upper row of terminal groups near the front end, the front ends of the conductive terminals of the upper row of terminal groups are respectively embedded into the corresponding front terminal grooves, and the front ends of the conductive terminals of the upper row of terminal groups are sealed in the front terminal grooves and a part of the conductive terminals are exposed on the clamping surface when the clamping surface of the secondary insulator is molded.

7. The Type C female connector with a firm internal structure according to claim 1, wherein: the rear sections of the conductive terminals of the upper row of terminal group and the lower row of terminal group are Z-shaped 90-degree bending structures, and the conductive terminals extend out of the upper surface of the secondary insulator and then bend 90 degrees to extend backwards.

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