JP3205392U - Receptacle connector - Google Patents

Abstract

Provided is a receptacle connector in which a holding arm can be elastically recovered freely. An insulating main body, a sandwiching arm, and two pairs of reinforcing blocks are provided. An insertion joint space is formed in the middle of the front surface of the insulating main body. Both of the engagement grooves 115 are opened forward, and the front ends of the two engagement grooves 115 communicate with the insertion joint space 60 from the middle of the left and right side walls of the insertion joint space 60. The sandwiching arm 30 has a fixed plate 31, and both ends of the fixed plate 31 are bent forward and the elastic arm 33 is extended, and the sandwiching portion 34 is connected to both end edges of the two elastic arms 33. The fixing plate 31 is fixed to the insulating body, the two elastic arms 33 are respectively installed in the engagement grooves 115, and the two holding portions 34 are elastic from the front end of the engagement grooves 115 into the insertion joining space 60, respectively. Is postponed. The two pairs of reinforcing blocks 40 are respectively fixed to the upper wall and the bottom wall of the front end of the two engaging grooves 115 on the left and right sides of the front portion of the insulating body. [Selection] Figure 5

Description

The present invention relates to a receptacle connector in which a holding arm is elastically recovered freely.

A conventional receptacle connector includes an insulating body, a plurality of conductive terminals, a holding arm, and a shield case. An insertion / joining space is formed on the front surface of the insulating body, and the plug connector is inserted and joined inward. Engaging grooves are formed on the left and right sides of the rear surface of the insulating body. The front end of the engagement groove is communicated with the insertion joint space from the middle of the left and right side walls of the insertion joint space. The plurality of conductive terminals are laterally arranged and fixed in the insulating body, the front end of each conductive terminal extends into the insertion joint space, and the rear end of each conductive terminal protrudes from the lower surface of the insulating body. And welded to the circuit board. The holding arm includes a fixed plate and two elastic arms that are curved and extended forward from the two ends of the fixed plate, respectively, and a holding portion is connected to both end edges of the two elastic arms. The fixing plate is fixed to the insulating body, the two elastic arms are respectively installed in the engagement grooves, and the two holding portions are elastically extended from the front ends of the engagement grooves into the insertion joining space. The shield case is covered outside the insulating body.

However, in the conventional connector technology described above, that is, when the plug connector is inserted / removed, the left and right side walls of the insertion joint space are easily pressed by the plastic at the front end portion of the engagement groove. The sandwiching portion is sandwiched between the upper wall and the bottom wall, and the sandwiching portion cannot freely recover elastically, which affects the sandwiching function and response. Therefore, the present inventor considered that the above-described drawbacks can be improved, and as a result of intensive studies, the present inventor has arrived at a proposal of the present invention that effectively improves the above-described problems with a rational design.

The present invention has been made in view of such conventional problems. In order to solve the above problems, the main object of the present invention is to provide a receptacle connector whose pinching portion is elastically recovered freely.

In the present invention for solving the above-mentioned problems and achieving the above object, the receptacle connector according to the present invention is a receptacle connector welded to a circuit board,
An insertion joint space is opened in the middle of the front surface, and an engagement groove is formed forward on both the left and right sides of the rear surface. The front ends of the two engagement grooves are on the left and right sides of the insertion joint space. An insulating body communicated from the middle of the two side walls to the insertion joint space,
A plurality of conductive terminals arranged in a lateral direction and fixed in the insulating body, the front end extending into the insertion joint space, the rear end protruding to the lower surface of the insulating body and welded to the circuit board; The fixing plate has a fixed plate, both ends of the fixed plate are bent forward, the elastic arm is extended, the end edges of the two elastic arms are both connected to the holding portion, and the fixed plate is fixed to the insulating body. The two elastic arms are respectively installed in the engaging grooves, and the two holding portions are a holding arm that is elastically extended into the insertion joint space from the front end of the engaging groove, and a front portion of the insulating body. It is characterized by comprising two pairs of reinforcing blocks respectively fixed to the upper wall and bottom wall of the front end of the two engagement grooves on the left and right sides, and a shield case that covers the outside of the insulating body. To do.

The receptacle connector according to the present invention is provided with two pairs of reinforcing blocks, and the two pairs of reinforcing blocks are respectively located on the upper wall and the bottom wall of the front end of the two engaging grooves on the left and right sides of the front part of the insulating body. It is fixed. When the plug connector is inserted and removed, the left and right side walls of the insertion joint space are limited to the plastic between the reinforcing plate and the plug connector only at the front end of the engagement groove. The amount of plastic to be compressed is reduced to the maximum, the upper wall and the bottom wall of the front end of the engagement groove do not pinch the clamping part, and the clamping part is elastically recovered freely.

1 is an external perspective view showing a receptacle connector according to a preferred embodiment of the present invention. It is the external appearance perspective view which looked at the receptacle connector shown in FIG. 1 from the other angle. It is an external appearance perspective view which shows the thing without a shield case in the receptacle connector shown in FIG. FIG. 3 is an external perspective view showing the receptacle connector shown in FIG. 2 without a shield case. It is an expanded view which shows the receptacle connector shown in FIG. FIG. 3 is a development view showing the receptacle connector shown in FIG. 2. It is an external appearance perspective view which shows what the upper terminal of the receptacle connector of this invention fixes the upper fixed block. It is an external appearance perspective view which shows what the lower terminal of the receptacle connector of this invention fixes the lower fixing block. It is sectional drawing which shows the IX-IX line of the main insulation main body of the receptacle connector of this invention shown in FIG.

Preferred embodiments of the present invention will be described with reference to the accompanying drawings. The embodiment described below does not limit the contents of the present invention described in the claims of the utility model registration. In addition, all the configurations described below are not necessarily essential requirements of the present invention.

A receptacle connector 100 according to the present invention is welded to a circuit board (not shown), and is used to insert and join a plug connector (not shown). The insulating body 10, the plurality of conductive terminals 20, and the clamping arm 30 are used. And two pairs of reinforcing blocks 40 and a shield case 50 (see FIGS. 1, 2 and 5).

The insulating body 10 includes a main insulating body 11, an upper fixed block 12, and a lower fixed block 13. The main insulating main body 11 has a main body base 111 having a rectangular shape, and an extending portion 112 protrudes downward from the rear surface of the main body base 111 (see FIGS. 4 and 5).

As shown in FIGS. 4 to 6 and 9, an insertion joint space 60 is formed in the middle of the front surface of the insulating body 10 so as to be inward. The engagement grooves 115 are opened toward the front, and the front ends of the two engagement grooves 115 are respectively communicated with the insertion joint space 60 from the middle of the left and right side walls of the insertion joint space 60. On both the left and right sides of the front portion of the upper surface and the bottom surface of the insulating body 10, fixing holes 113 are formed inwardly communicating with the engaging grooves 115. The upper surface and the bottom surface of the insulating body 10 are formed with two fixing holes 113. At least one hole 114 communicating with the insertion joint space 60 is formed in the front portion therebetween. Specifically, the insertion joint space 60 is formed by opening inward from the front surface of the main body base 111, and the fixing holes 113 are formed on the upper and lower sides of the main body base 111. The upper surface and the bottom surface of the main body base 111 are both arranged in the lateral direction downward at the front part between the two fixing holes 113 to form the insertion joint space 60. Two communicating holes 114 are opened, and the two engaging grooves 115 are opened forward from the left and right sides of the upper part of the rear surface of the extending portion 112 and the front portion of the main body base 111 is inserted. The joint space 60 extends to the left and right sides and communicates with the insertion joint space 60.

A slot 1121 is formed in the rear part of the upper surface of the extending part 112, and a notch part 1122 penetrating vertically is formed in the central part of the rear end of the slot 1121. A mounting groove 1123 is formed in the front portion of the bottom surface of the extending portion 112, and a plurality of mounting holes 1124 are formed in the front portion of the bottom surface of the slot 1121. A stopper 1125 protrudes upward on both the left and right sides of the central portion of the bottom surface of the slot 1121.

In addition, a plurality of upper terminal grooves 116 arranged in a lateral direction are formed on the upper surface of the insulating body 10, and the front ends of the upper terminal grooves 116 are both connected to the insertion bonding space 60 from the location of the upper wall of the insertion bonding space 60. Communicated. A plurality of lower terminal grooves 117 arranged in the lateral direction are formed on the bottom surface of the insulating body 10, and the front ends of the lower terminal grooves 117 are both communicated with the insertion bonding space 60 from the bottom wall of the insertion bonding space 60. The Specifically, the upper terminal grooves 116 are both arranged in the horizontal direction and are formed on the rear surface of the upper surface of the main body base 111 and the upper surface of the extending portion 112, and the lower terminal grooves 117 are both arranged in the horizontal direction. It is opened at the rear part of the bottom surface of the main body base 111 and the front part of the bottom surface of the extending part 112.

The upper fixing block 12 has an upper substrate 121, and a vertical plate 122 projects upward at the front end of the upper surface of the upper substrate 121, and is fixed rearward at the center of the rear surface of the vertical plate 122. A convex part 123 is provided so as to protrude forward from the upper end of the front surface of the vertical plate 122, and a position limiting groove 125 is formed on both the left and right side surfaces of the horizontal plate 124. A plurality of mounting bumps 131 arranged in a lateral direction are provided on the upper surface of the lower fixing block 13 so as to protrude.

The plurality of conductive terminals 20 include a plurality of upper terminals 21 and a plurality of lower terminals 22. Each of the upper terminals 21 has an upper end fixing portion 211, and the upper end fixing portion 211 is curved and extended forward from the upper edge of the first fixing plate 2111 and the first fixing plate 2111 that are extended vertically. It has a second fixing plate 2112. The front end edge of the second fixing plate 2112 is curved upward and then extended forward and upward, then curved downward and extended downward and forward. The upper end contact portion 212 is connected, and the lower end edge of the first fixed plate 2111 is connected to the upper end weld portion 213 that is bent and extended toward the rear.

Each of the lower terminals 22 has a lower end holding portion 221 extending vertically, and a lower end contact portion 222 is extended forward on the upper end edge of the front surface of the lower end holding portion 221, A lower end weld 223 is extended toward the lower end edge of the surface.

The clamping arm 30 has a U-shape and has a fixing plate 31 extending in the lateral direction. A fixing hole 32 is formed in the middle portion of the fixing plate 31, and both ends of the fixing plate 31 are provided at both ends. The elastic arm 33 curved forward is stretched, and the end portions of the two elastic arms 33 are connected to a pinching portion 34 that is arched inward. The reinforcing block 40 is made of a metal material and has a T-shaped plate shape.

As shown in FIGS. 1 and 5, the shield case 50 includes an upper case 51 and a lower case 52. At least one upper end contact portion 511 is connected to the front end of the upper case 51, and at least one lower end contact portion 521 is connected to the front end of the lower case 52. Specifically, two upper end contact portions 511 arranged in the horizontal direction are connected to the front end edge of the upper case 51, and two lower end contacts arranged in the horizontal direction are connected to the front end edge of the lower case 52. The contact part 521 is connected.

Further, in the installation of the plug connector 100 according to the present invention, the lower terminals 22 are arranged in the horizontal direction and fixed in the lower terminal grooves 117, and the front ends of the lower terminals 22 are the front ends of the lower terminal grooves 117. The rear ends of the lower terminals 22 are both protruded from the lower surface of the insulating body 10 and welded to the circuit board. Specifically, first, the lower end holding portion 221, the rear portion of the lower end contact portion 222, and the upper end of the lower end welded portion 223 are in-molded into the lower fixed block 13, and the lower end of the lower end welded portion 223 is below the lower fixed block 13. Exposed on the surface. Thereafter, the lower fixing block 13 is fixed in the mounting groove 1123, each mounting bump 131 is fixed in the mounting hole 1124, and the lower surface of each mounting bump 131 protrudes from the lower surface of the extending portion 112, A front portion of each lower end contact portion 222 is installed in the lower terminal groove 117, and a front end of each lower end contact portion 222 extends from the front end of each lower terminal groove 117 into the insertion joint space 60, and each lower end weld portion The lower surface of 223 protrudes from the lower surface of the extending portion 112 and is welded to the circuit board (see FIGS. 1 to 8).

The upper terminals 21 are arranged in the lateral direction and fixed in the upper terminal grooves 116, and the front ends of the upper terminals 21 extend from the front ends of the upper terminal grooves 116 into the insertion joint spaces 60, respectively. Both rear ends of the terminals 21 protrude from the lower surface of the insulating body 10 and are welded to the circuit board. Specifically, first, each upper terminal 21 is in-molded into the upper fixing block 12, and further, the first fixing plate 2111 is arranged in the horizontal direction and in-molded into the vertical plate 122. The rear ends of the second fixing plates 2112 are arranged in the horizontal direction and are in-molded in the horizontal plate 124, and the respective upper end welds 213 are arranged in the horizontal direction and are in-molded on the substrate 121, and below the substrate 121. Exposed on the surface. Thereafter, the horizontal plate 124 of the upper fixing block 12 is installed in the slot 1121, the two stoppers 1125 are fixed in the position limiting groove 125, and the vertical plate 122 is fixed in the notch 1222. The lower surface 121 protrudes from the lower surface of the extending portion 112 and becomes flat with the lower fixing block 13. The upper end welded portions 213 are welded together to the circuit board, and the front end and the upper end of each second fixing plate 2112. The contact portions 212 are respectively fixed in the upper terminal grooves 116, and the front ends of the upper end contact portions 212 are respectively extended from the front ends of the upper terminal grooves 116 into the insertion joint space 60.

The clamping arm 30 is fixed to the rear end of the insulating body 10. Specifically, the fixing plate 31 is installed on the rear surface of the vertical plate 122, the fixing convex portion 123 is fixed in the fixing hole 32, and the rear ends of the two elastic arms 33 are formed by two engaging grooves 115. The two holding portions 34 are respectively installed at the front ends of the two engaging grooves 115, and the two holding portions 34 are elastically inserted into the insertion joining space 60 from the front ends of the engaging grooves 115, respectively. It is postponed.

The two pairs of reinforcing blocks 40 are respectively fixed to the upper wall and the bottom wall of the front end of the two engaging grooves 115 on the left and right sides of the front portion of the insulating body 10. Specifically, each reinforcing block 40 is fixed to the inside of the fixing hole 32.

The shield case 50 is provided outside the insulating body 10. Specifically, the lower case 52 is fixed to the lower portion of the insulating main body 10, and the upper case 51 is fixed to the upper portion of the insulating main body 10 and fixed to the lower case 52 so as to be integrated with the two upper ends. The contact portion 511 and the two lower end contact portions 521 are elastically extended from the hole portion 114 into the insertion joint space 60.

When the receptacle connector 100 according to the present invention is inserted into and removed from the plug connector, the left and right side walls of the insertion joint space 60 are located at the front end portions of the engagement grooves 115, and the pressed plastic is formed between the reinforcing plate 40 and the plug connector. The amount of plastic to be pressed is reduced to the maximum, the upper wall and the bottom wall of the front end of the engagement groove 115 do not pinch the pinching portion 34, and the pinching portion 34 is elastically recovered freely. This does not affect the clamping function of the clamping arm 30 and the response when the plug connector is inserted / removed.

As described above, in the receptacle connector 100 according to the present invention, two pairs of reinforcing blocks 40 are installed, and the two pairs of reinforcing blocks 40 are located at the front ends of the two engaging grooves 115 on the left and right sides of the front portion of the insulating body 10. When the plug connector is inserted and removed by being fixed to the top wall and the bottom wall, the left and right side walls of the insertion joint space 60 are pressed by the plug connector at the front end of the engagement groove 115. The plastic to be used is limited to only the plastic between the reinforcing plate 40 and the plug connector, the amount of plastic to be compressed is reduced to the maximum, and the upper wall and the bottom wall of the front end of the engagement groove 115 do not pinch the pinching portion 34. The part 34 is elastically recovered freely.

The above-described embodiments are merely for explaining the technical idea and features of the present invention, and are intended to allow those skilled in the art to understand the contents of the present invention and to carry out the present invention. It does not limit the scope of the utility model registration request. Accordingly, improvements or modifications having various similar effects without departing from the spirit of the present invention shall be included in the following claims.

100 Receptacle Connector 10 Insulating Body 11 Main Insulating Body 111 Body Base 112 Extending Part 1121 Slot 1122 Notch 1123 Mounting Groove 1124 Mounting Hole 1125 Stopper 113 Fixing Hole 114 Hole 115 Engaging Groove 116 Upper Terminal Groove 117 Lower Terminal Groove 12 Upper Fixing block 121 Upper substrate 122 Vertical plate 123 Fixing convex portion 124 Horizontal plate 125 Position limiting groove 13 Lower fixing block 131 Mounting bump 20 Conductive terminal 21 Upper terminal 211 Upper end fixing portion 2111 First fixing plate 2112 Second fixing plate 212 Upper end contact Portion 213 Upper end welding portion 22 Lower terminal 221 Lower end holding portion 222 Lower end contact portion 223 Lower end welding portion 30 Holding arm 31 Fixing plate 32 Fixing hole
33 Elastic arm 34 Holding part 40 Reinforcement block 50 Shield case 51 Upper case 511 Upper end contact part 52 Lower case 521 Lower end contact part 60 Insertion joint space

Claims (7)

A receptacle connector welded to a circuit board,
An insertion joint space is opened in the middle of the front surface, and an engagement groove is formed forward on both the left and right sides of the rear surface. The front ends of the two engagement grooves are on the left and right sides of the insertion joint space. An insulating body communicated from the middle of the two side walls to the insertion joint space,
A plurality of conductive terminals arranged in a lateral direction and fixed in the insulating body, the front end extending into the insertion joint space, the rear end protruding to the lower surface of the insulating body and welded to the circuit board; ,
It has a fixed plate, both ends of the fixed plate are bent forward, the elastic arm is extended, the end edges of the two elastic arms are both connected to the clamping part, and the fixed plate is fixed to the insulating body The two elastic arms are respectively installed in the engagement grooves, and the two holding portions are elastically extended from the front ends of the engagement grooves into the insertion joint space, respectively.
Two pairs of reinforcing blocks respectively fixed to the top wall and bottom wall of the front end of the two engaging grooves on the left and right sides of the front part of the insulating body;
A receptacle connector, comprising: a shield case that covers the outside of the insulating body.   On both the left and right sides of the front part of the upper surface and the bottom surface of the insulating body, a fixing hole is formed which is inwardly communicated with the engaging groove, the reinforcing block is made of a metal material, and each reinforcing block is in the fixing hole. The receptacle connector according to claim 1, wherein each of the receptacle connectors is fixed.   The insulating main body includes a main insulating main body, the main insulating main body has a main body base, the insertion joint space is formed by opening inward from a front surface of the main body base, and each fixing hole is a main body. The receptacle connector according to claim 2, wherein the receptacle connector is formed by being opened inward from the left and right sides of the front portion of the upper surface and the bottom surface of the base.   An extension part projects rearward below the rear surface of the base of the main body, and the two engaging grooves are opened forward from the left and right sides of the upper part of the rear surface of the extension part. The joint groove is extended to the left and right sides of the insertion joint space at the front part of the main body base and communicated with the insertion joint space, and the fixing plate is fixed to the rear surface of the extension part, The receptacle connector according to claim 3.   The plurality of conductive terminals include a plurality of upper terminals and a plurality of lower terminals, and a plurality of upper terminal grooves arranged in a lateral direction are formed on the upper surface of the insulating body, and the front ends of the upper terminal grooves are inserted and joined together. A plurality of lower terminal grooves communicated with the insertion joint space from the upper wall portion of the space and arranged in the lateral direction on the bottom surface of the insulating body, and the front end of each lower terminal groove is the bottom wall portion of the insertion joint space. The upper terminals are respectively fixed in the upper terminal grooves, and the front ends of the upper terminals are respectively extended from the front ends of the upper terminal grooves into the insertion joint spaces, and are connected to the rear of the upper terminals. Both ends protrude from the lower surface of the insulating body and are welded to the circuit board. Each lower terminal is fixed in the lower terminal groove, and the front end of each lower terminal is inserted into the insertion joint space from the front end of the lower terminal groove. And the rear end of each lower terminal is closed. Characterized in that it is welded to the circuit board protrudes below the surface of the body, the receptacle connector according to claim 1.   The shield case includes an upper case and a lower case, and at least one upper end contact portion is connected to the front end of the upper case, and at least one lower end contact portion is connected to the front end of the lower case. At least one hole portion is formed in the front portion of the upper surface and the bottom surface of the main body so as to communicate with the insertion joint space inward, the lower case is fixed to the lower portion of the insulating main body, and the upper case is the insulating main body. The upper end abutting portion and the lower end abutting portion are elastically extended from the holes on the top and bottom surfaces of the insulating body into the insertion joint space, respectively. The receptacle connector according to claim 1, wherein:   The receptacle connector according to claim 1, wherein each of the reinforcing blocks has a T-shaped plate shape.