CN114552299A - Surface Mount RJ Connectors - Google Patents

Abstract

A surface mount RJ connector comprising: a housing, the front side of which is provided with a first terminal hole and a second terminal hole which are stacked; a base, which is arranged at the rear side of the shell and is provided with a horizontal socket part and a vertical supporting part, wherein a first/second switching terminal group is arranged in the base, the first end of the first/second switching terminal group extends into the horizontal socket part in a posture with height difference, and the second end of the first/second switching terminal group extends out of the bottom edge of the vertical supporting part and is bent into a horizontal shape; and a connecting circuit board, the inner top/bottom surface has the first/second gold finger group corresponding to the first/second switching terminal group, the outer top/bottom surface has the first/second connecting terminal group corresponding to the first/second gold finger group, the first/second connecting terminal group extends into the first/second terminal hole, the outer end of the connecting circuit board is positioned in the shell, the inner end of the connecting circuit board is inserted in the horizontal socket of the base. This reduces the degree of attenuation of signal transmission loss.

Description

Surface Mount RJ Connectors

technical field

The present invention relates to a surface-attached RJ connector, in particular to a design that utilizes surface-attaching means to form an electrical connection relationship with an external circuit board.

Background technique

As shown in [FIG. 1] to [FIG. 3], the RJ connector 10 of the prior art is electrically connected to the outside, using the pin-type pins 11 to pass through the jacks of the external circuit board 20, and then use However, the electrical connection relationship between the RJ connector 10 and the external circuit board 20 formed by the soldering method is likely to cause the problem of excessive attenuation of the transmission signal loss, and the high speed of the signal cannot be achieved. transfer application.

SUMMARY OF THE INVENTION

The main purpose of the present invention is to solve the problem of excessive attenuation of signal transmission loss in the prior art, and to have the effect of reducing the attenuation of signal transmission loss.

Another object of the present invention is to have the effect of assembling and manufacturing modules.

In order to achieve the above-mentioned effects, the technical means of the present invention include: a casing with at least one first terminal hole and at least one second terminal hole stacked on the front side; a base disposed on the rear side of the casing, The base has a horizontal socket portion and an upright support portion, and at least one first transfer terminal group and at least one second transfer terminal group are arranged inside the base, the first transfer terminal group and the first transfer terminal group The first ends of the two transfer terminal sets extend into the horizontal socket portion with a height difference, so that the first ends of the first transfer terminal set and the first ends of the second transfer terminal set have curved arcs with convex points facing each other segment, the second ends of the first transfer terminal group and the second transfer terminal group protrude from the bottom edge of the upright support portion, and the first transfer terminal group and the second transfer terminal group are second The protruding section of the end is bent into a horizontal shape; and a connecting circuit board, the top surface of the inner end is provided with at least a first gold finger group relative to the curved arc section of the first transfer terminal group, and the bottom surface of the inner end is opposite to the second transfer terminal group. The curved segment of the terminal group is provided with at least one second gold finger group, and the top surface of the outer end is opposite to the first gold finger group with at least one first connection terminal group, so that the first connection terminal group extends into the first gold finger group. A terminal hole, the bottom surface of the outer end is provided with at least one second connection terminal group opposite to the second gold finger group, and the second connection terminal group is extended into the second terminal hole, and the outer end of the connection circuit board is positioned on the shell body, and the inner end of the connecting circuit board is inserted into the horizontal socket of the base.

In addition, the quantity ratio of the housing, the base and the connecting circuit board is 1:1X:1X, and X is a natural number;

Furthermore, the number ratio of the connection circuit board, the first/second connection terminal group, the first/second terminal hole, the first/second gold finger group, and the first/second transfer terminal group is 1:1Y:1Y:1Y:1Y, and Y is a natural number.

Therefore, it is used to solve the problem of excessive attenuation of signal transmission loss in the prior art, and has the effect of reducing the attenuation of signal transmission loss.

Description of drawings

[FIG. 1] is a structural external view of a conventional RJ connector.

[ Fig. 2 ] is a side view of the structure of a conventional RJ connector.

[Fig. 3] is an enlarged view of the place marked 3 in [Fig. 2].

[FIG. 4] is an external view of the structure of the first embodiment of the present invention.

[ Fig. 5 ] is a side view of the structure of the first embodiment of the present invention.

[FIG. 6] is an external view of the structure of the base and the connecting circuit board according to the first embodiment of the present invention.

[ Fig. 7 ] is a cross-sectional view of the structure of the first embodiment of the present invention.

[ Fig. 8 ] is an external view of the structure of the second embodiment of the present invention.

LIST OF REFERENCE NUMERALS: 10RJ connector; 11 pin pin; 20 external circuit board; 30a, 30b housing; 31 first terminal hole; 32 second terminal hole; 40 base; 41 horizontal socket part; 42 upright Support part; 43 The first transfer terminal group; 44 The second transfer terminal group; group; 53 first connection terminal group; 54 second connection terminal group; 60 external circuit board; 61 electrical connection pad; 62 processing chip.

Detailed ways

First of all, please refer to [FIG. 4] to [FIG. 7], the first embodiment of the present invention includes: a housing 30a, the front side is provided with two stacked first terminal holes 31 and two second terminal holes 32; a base 40, disposed on the rear side of the casing 30a, the base 40 has a horizontal socket portion 41 and an upright support portion 42, and inside the base 40 is provided with two first transfer terminal groups 43 and two second transfer terminal groups 44, the first ends of the first transfer terminal group 43 and the second transfer terminal group 44 protrude into the horizontal socket portion 41 in a posture with a height difference, so that the The first end of the first transfer terminal group 43 and the second transfer terminal group 44 have curved arc segments 431 and 441 with convex points facing each other. The first transfer terminal group 43 and the second transfer terminal group 44 The second end protrudes from the bottom edge of the upright support portion 42 , and the protruding sections 432 and 442 of the second end of the first transfer terminal group and the second transfer terminal group are bent horizontally; and a connecting circuit board 50. Two first gold finger groups 51 are provided on the top surface of the inner end opposite to the curved segments 431 of the two first transfer terminal groups 43, and the bottom surface of the inner end is opposite to the curved arcs of the two second transfer terminal groups 44. The segment 441 is provided with two second gold finger groups 52, and the outer top surface is provided with two first connection terminal groups 53 opposite to the two first gold finger groups 51, and the two first connection terminal groups 53 are extended. The two first terminal holes 31 are inserted into the two first terminal holes 31 , and two second connection terminal groups 54 are formed on the bottom surface of the outer end opposite to the two second gold finger groups 52 , and the two second connection terminal groups 54 extend into the two second connection terminal groups 54 . With the second terminal hole 32 , the outer end of the connection circuit board 50 is positioned on the housing 30 a , and the inner end of the connection circuit board 50 is inserted into the horizontal socket 41 of the base 40 .

Next, please refer to FIG. 8 , the difference between the second embodiment of the present invention and the first embodiment is that the front side of the housing 30 b of the second embodiment is provided with four stacked first terminal holes 31 and four The second terminal hole 32 has the same structure as the base 40 and the connecting circuit board 50 of the second embodiment and the first embodiment, but the number is increased to two.

Based on such a configuration, the present invention disposes the base 40 for electrical connection with the external circuit board 60 on the rear side of the casings 30a, 30b, and makes the terminal extension sections 432, 442 be bent into a horizontal shape, so that the present invention The electrical connection between the external circuit board 60 and the external circuit board 60 can be formed by means of surface adhesion, and the electrical connection pads 61 of the external circuit board 60 relative to the terminal extension sections 432 and 442 are neatly arranged in a posture close to the processing chip 62 . The arrangement of the electrical connection pads 61 can make the circuit layout of the external circuit board 60 easier, and the electrical connection pads 61 close to the processing chip 62 can shorten the signal transmission distance and reduce the attenuation of signal transmission loss.

Furthermore, the connecting circuit board 50, the first/second connecting terminal group 53/54, the first/second terminal hole 31/32, the first/second gold finger group 51/52 and the first The quantity ratio of the second transfer terminal group 43/44 is 1:1Y:1Y:1Y:1Y (Y is a natural number), and the first/second embodiment of the present invention uses 2 for Y, so that the connection circuit board 50 , the first/second connection terminal group 53/54, the first/second terminal hole 31/32, the first/second gold finger group 51/52 and the first/second transfer terminal group 43 The quantity ratio of /44 is 1:2:2:2:2, and the connection circuit board 50 has two first connection terminal groups 53 and two second connection terminal groups 54 .

In addition, the ratio of the numbers of the housings 30a/30b, the base 40 and the connecting circuit board 50 is 1:1X:1X (X is a natural number), and X in the first embodiment of the present invention is 1, the housing 30a The quantity ratio of the base 40 and the connection circuit board 50 is 1:1:1, and the housing 30a has two first terminal holes 31 and two second terminal holes 32 relative to the connection circuit board 50; X of the second embodiment of the invention adopts 2, the ratio of the number of the casing 30b, the base 40 and the connecting circuit board 50 is 1:2:2, and the casing 30b has four first relative to the connecting circuit board 50. The terminal holes 31 and the four second terminal holes 32; therefore, the present invention modularizes the housing 30a/30b, the base 40 and the connecting circuit board 50, and can easily assemble and manufacture RJ connectors with different numbers of terminal holes. It has the effect of assembling and manufacturing modularization.

However, the drawings and descriptions disclosed above are only preferred embodiments of the present invention, and modifications or equivalent changes made by those skilled in the art within the scope of the spirit of this case should still be included in the scope of the patent application of this case.

Claims (3)

1. A surface-adhesive RJ connector, characterized in that, comprises: a housing with at least one first terminal hole and at least one second terminal hole stacked on the front side; A base is disposed on the rear side of the casing, the base has a horizontal socket portion and an upright support portion, and at least one first transfer terminal group and at least one second transfer terminal are arranged inside the base group, the first ends of the first transfer terminal group and the second transfer terminal group extend into the horizontal socket part with a height difference, so that the first transfer terminal group and the second transfer terminal group The first end of the group has a curved arc segment with convex points facing each other, the second ends of the first transfer terminal group and the second transfer terminal group protrude from the bottom edge of the upright support portion, and the first transfer terminal group is The terminal group and the protruding section of the second end of the second transfer terminal group are bent into a horizontal shape; and a connecting circuit board, the top surface of the inner end is provided with at least one first gold finger group corresponding to the curved segment of the first transfer terminal group, and the bottom surface of the inner end is provided with at least one gold finger group opposite to the curved segment of the second transfer terminal group In the second gold finger set, the top surface of the outer end is opposite to the first gold finger set with at least one first connecting terminal set, so that the first connecting terminal set extends into the first terminal hole, and the bottom surface of the outer end is opposite to the second gold finger set. The gold finger group is provided with at least one second connection terminal group, and the second connection terminal group is extended into the second terminal hole, the outer end of the connection circuit board is positioned on the casing, and the inner end of the connection circuit board is positioned. Insert into the horizontal socket of the base. 2 . The surface-mount RJ connector of claim 1 , wherein the housing, the base and the connection circuit board have a ratio of 1:1X:1X, and X is a natural number. 3 . 3. The surface mount RJ connector of claim 1 or 2, wherein the connecting circuit board, the first/second connecting terminal group, the first/second terminal hole, the first/second connecting terminal The quantity ratio of the second golden finger group and the first/second transfer terminal group is 1:1Y:1Y:1Y:1Y, and Y is a natural number.

Images