KR20220048771A - Socket connector - Google Patents

Abstract

Provided is a socket connector including: a mold unit (400); a metal fitting (500); and a second socket terminal (600). The socket terminal (600) includes an outer end, an upper curved part, a lower curved part, and an inner end. When viewed in a side sectional view showing the socket terminal (600) and a socket mold unit (400) taken in a width direction (Y-direction) of a socket connector (20), (i) the socket terminal (600) is adjacent to the socket mold unit (400) in a section from an outer end (600-1) to a predetermined position in an upper curved part (600-2), and (ii) the socket terminal (600) is not adjacent to the socket mold unit (400) in a section from the predetermined position in the upper curved part (600-2) to an inner side of the upper curved part (600-2). Accordingly, plastic deformation of a free end of a coupling part is reduced.

Description

socket connector {SOCKET CONNECTOR}

The present invention relates to a socket connector. More specifically, the present invention relates to a socket connector in which the degree of freedom of the coupling portion of the terminal is increased.

In general, when substrates are interconnected, two connectors connected to each substrate by a method such as soldering are used, and the two connectors may be connected to each other. Here, one of the two connectors is a plug connector, and the other is a socket connector. A socket connector is also called a receptacle connector. Such a plug connector and a socket connector may be formed by disposing terminals in a mold part. A plug connector and a socket connector may be engaged with each other to form an electrical connector assembly.

The mating portion of the socket terminal is easily deformed by repeated mating and releasing, or continuation of the mated state, which adversely affects the strength of the mating force or durability of the connector.

The technical problem to be solved by the present invention is to reduce the plastic deformation of the coupling part, in particular, the free end of the coupling part.

Technical problems of the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following description.

According to the present invention, there is provided a socket connector solder mounted on a board, comprising: a base; a first wall protruding from an upper surface of the base; a second wall protruding from the upper surface of the base and intersecting the first wall; and an upper surface of the base. a third wall portion protruding from and intersecting the second wall portion and facing the first wall portion; and a fourth wall portion projecting from an upper surface of the base portion, intersecting the first and third wall portions and facing the second wall portion; a mold part; a bracket installed on at least the first wall portion; and a plurality of socket terminals installed at least on the second wall part, wherein at least one socket terminal of the plurality of socket terminals is located outside in a width direction of the socket connector and is exposed from a side wall of the mold part. an outer end, the lower surface of which is a mounting portion mounted on the substrate, (b) an upper curved portion extending inwardly in the width direction of the socket connector from the outer end and bent convexly toward the upper portion, (c) the A lower curved portion extending inward in the width direction of the socket connector from the upper curved portion and bent convexly downward, and the portion bent convexly toward the lower portion is exposed when viewed from the bottom of the mold portion, and (d) ) extending from the lower curved portion inward in the width direction of the socket connector and facing upward, and including an inner end coupled to a terminal of a counterpart connector of the socket connector, wherein the at least one socket terminal and the socket mold portion are When viewed in a cross-sectional side view cut in the width direction of the socket connector, (i) in the section from the outer end to a predetermined position in the upper curved portion, it is in contact with the socket mold portion, and (ii) from a predetermined position in the upper curved portion In the section up to the inner side of the upper curved part, there is provided a socket connector, characterized in that it is not in contact with the socket mold part.

Preferably, in a section from a predetermined position of the upper curved part to the inner end, only a stopper located at least part of the upper part of the lower curved part covers the socket terminal, and the stopper is a part of the socket mold part, When the inner end of the at least one socket terminal moves upward, the movement of the at least one socket terminal is restricted.

Preferably, when the socket connector is viewed from the bottom, the mounting portion, which is the bottom surface of the outer end, and the bottom surface of the lower curved portion are exposed.

Preferably, when the socket connector is viewed from the upper surface or the lower surface, there is a space penetrating up and down in the side surface of the inner end portion and the inner side surface of the upper curved portion.

Preferably, when the socket connector is viewed from the upper surface or the lower surface, a space penetrating vertically is also present inside the inner end portion.

According to embodiments of the technical idea of the present invention, there are at least the following effects.

The outer end 600 - 1 of the second socket terminal 600 and the outer side of the upper curved portion 600 - 2 are firmly fixed by the socket mold portion 400 , and the inner end from the inner side of the upper curved portion 600 - 2 Up to (600-4) is a high degree of freedom. It can be seen that the movement range of the free end from the middle portion of the upper curved portion 600 - 2 to the inner end portion 600 - 4 is large. Here, the middle part does not necessarily mean the center, and when viewed in the width direction (Y direction) of the socket connector of FIG. 4 , any point between the outside and the inside of the lower surface of the upper curved part 600 - 2 . (predetermined position). Also in the following description, the middle part does not necessarily mean the center, but means a predetermined position in between. That is, the 'predetermined position' may be at the center as long as it is between the outer wall and the inner wall among the lower surfaces of the upper curved portion 600-2, and may be slightly biased outside in the connector width direction (Y direction) therefrom, and slightly from there. You may deviate to the inside of a connector width direction (Y direction). 4 shows an example of a predetermined position, and shows an example in which the predetermined position is slightly biased outward from the center of the side cross-sectional view of the upper curved portion 600-2. Of course, the present invention is not limited to this embodiment, and even if the space S2 is small (that is, in FIG. 4 showing a non-movable state that is not coupled to the terminal of the counterpart connector, the upper curved part 600-2 is If the space S2 exists so that the inner wall part of the lower surface is spaced apart from the mold), the elastic freedom is exhibited.

The overall degree of freedom of the socket terminal 600 is further increased, and plastic deformation is alleviated.

In addition, due to the existence of the surrounding empty spaces S1 and S2, most of the terminals (from the middle of the upper curved portion 600-2 to the inner end 600-4) are free to move, and in particular, the inner end portion 600- 4) operation is more free. As can be seen from the empty spaces S1 and S2, it can be moved while freely exerting elastic force up and down. Due to these spaces, the overall degree of freedom of the socket terminal 600 is further increased, and plastic deformation is alleviated.

In addition, the stopper 400-p is a part of the socket mold part 400, and when the inner end of the socket terminal 600 moves to the top 600-4, it restricts the movement of the socket terminal 600 upward. do. That is, when a force is applied in a direction in which the plug terminal of the mating connector of the socket terminal 600 is coupled and released, the socket terminal 600 in FIG. 4 will be slightly pulled upward and then released. . However, if the amount of pulling up is too large, there is a risk of deformation/damage of the socket terminal 600 . However, the stopper 400-p prevents such pulling up and prevents unnecessary stress and deformation. This also helps to improve durability.

The effect according to the present invention is not limited by the contents exemplified above, and more various effects are included in the present specification.

1 is a view showing a socket connector 20 according to the present invention.
FIG. 2 is a top view of the socket connector 20 of FIG. 1 .
3 is an enlarged view of a part of FIG. 2 .
4 is a side cross-sectional view of the cross-section in the ab direction of FIG. 3 viewed from the side.
5 is a bottom view of the socket connector 20 of the present invention as viewed from the bottom.
FIG. 6 is a part of a bottom view of the socket connector 20 of FIG. 5 .
7 is a view showing a side cross-section of the second socket terminal 600 in an operating state.
FIG. 8 is a side view of the socket connector 20 of FIG. 1 .

Advantages and features of the present invention and methods of achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in a variety of different forms, and only these embodiments allow the disclosure of the present invention to be complete, and common knowledge in the technical field to which the present invention belongs It is provided to fully inform the possessor of the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

1 is a view showing a socket connector 20 according to the present invention.

The socket connector 20 will be described as follows.

The socket connector 20 may include, for example, a socket mold part 400 , a first socket terminal 500 , and a second socket terminal 600 .

The socket mold part 400 (mold part of the socket connector) may have a shape to accommodate the mold part (plug mold part) of the plug connector (not shown). For example, the mold part of the plug connector may have a shape to be inserted into a space defined by the mold part 400 of the socket connector.

The socket mold part 400 may be formed of an insulator including resin and epoxy, but is not limited thereto.

The first socket terminal 500 and the second socket terminal 600 may be disposed on a wall portion of the socket mold part 400 . In addition, the plurality of first socket terminals 500 and the plurality of second socket terminals 600 may be disposed on the wall portion of the socket mold part 400 .

In FIG. 1 , the two first socket terminals 500 are illustrated, although this is not necessarily the case, but it is preferable to form a symmetrical shape with the opposite wall surface.

In addition, the socket mold part 400 has a base. The socket mold part 400 includes a base, a first wall part 110 protruding from the upper surface of the base part, a second wall part 120 protruding from the upper surface of the base part and intersecting the first wall part 110, and protruding from the upper surface of the base part. and a third wall portion 130 that intersects the second wall portion 120 and faces the first wall portion 110, protrudes from the upper surface of the base portion and intersects the first wall portion 110 and the third wall portion 130 and crosses the second and a fourth wall portion 140 opposite to the wall portion 120 .

For example, a first socket terminal 500 is formed on the first wall part 110 , and a plurality of second socket terminals 600 are formed side by side on a second wall part 120 adjacent to the first wall part at about 90 degrees. , another first socket terminal 500 is formed on the third wall part 130 adjacent to the second wall part 120 at about 90 degrees, and the fourth wall part adjacent to the third wall part 130 at about 90 degrees ( A plurality of second socket terminals 600 different from 140 are formed side by side. In addition, the fourth wall portion 140 and the first wall portion 110 are adjacent to each other forming about 90 degrees.

Accordingly, the first wall part 110 and the third wall part 130 face each other and have a symmetrical shape, and the second wall part 120 and the fourth wall part 140 face each other and have a symmetrical shape.

The first socket terminal 500 and the second socket terminal 600 may include a conductive material.

For example, the first socket terminal 500 and the second socket terminal 600 may be formed of a metal material including copper, but is not limited thereto.

Accordingly, when the plug connector (not shown) is fastened to the socket connector 20 , the first plug terminal and the second plug terminal (not shown) are electrically connected to the first socket terminal 500 and the second socket terminal 600 . can be connected

For example, a first plug terminal (not shown) may be electrically connected to the first socket terminal 500 , and a second plug terminal (not shown) may be electrically connected to the second socket terminal 600 .

For example, when the first plug terminal is a power terminal, the first socket terminal 500 may input/output a power electrical signal. Depending on the situation, the first socket terminal 500 may be simply referred to as a metal ball, provided that no particular attention is paid to the fact that it is a power supply terminal and only the fact that a certain structure exists.

For example, when the second plug terminal is a signal terminal, the second socket terminal 600 may input/output an electrical data signal.

The socket connector 20 may be an exemplary socket connector to which a plug connector (not shown) according to an embodiment is fastened. The socket connector 20 may include, for example, a socket mold part 400 , a first socket terminal 500 , and a second socket terminal 600 .

The mold part 400 of the socket connector may have a shape to accommodate the mold part (plug mold part) of the plug connector (not shown). For example, the plug mold part may have a shape to be inserted into a space defined by the socket mold part 400 .

The socket mold part 400 may be formed of an insulator including resin and epoxy, but is not limited thereto.

The first socket terminal 500 and the second socket terminal 600 may be disposed on a wall portion of the socket mold part 400 . In addition, the plurality of first socket terminals 500 and the plurality of second socket terminals 600 may be disposed on the wall portion of the socket mold part 400 .

In the socket connector 20 of FIG. 1 , each of the first socket terminals 500 at both ends covers the plastic housing (the socket mold part 400 ). That is, there is no part where the plastic housing covers the first socket terminal 500 , the first socket terminal 500 covers the plastic housing, and the first socket terminal 500 is exposed. As a conventional example, there is a case in which a portion of the first socket terminal 500 (eg, a portion corresponding to the corner portion of the socket connector 20) is covered with a plastic housing. Because the metal of the body covers the entire housing, it prevents cracks in the housing and enables easier bonding operation.

On the other hand, as an example, the signal terminal as the second socket terminal 600 may consist of 32 PINs that allow a current of 0.3A, and the power terminal as the first socket terminal 500 can allow a current of 5A there is. However, in the example of FIG. 1, the number of PINs is eight. The socket mold part 400 of the socket connector 20 is preferably made of a plastic material, and may be, for example, liquid crystal polymer (LCP). The first socket terminal 500 and the second socket terminal 600 of the socket connector 20 are preferably made of a metal material, and may be, for example, gold-plated (nickel underlayer) on a copper alloy.

FIG. 2 is a top view of the socket connector 20 of FIG. 1 .

In FIG. 2 , all eight second socket terminals 600 are shown to have the same shape. Four socket terminals 600 are disposed along the longitudinal direction (X direction) of the connector 20 , and the two socket terminals 600 face each other along the width direction (Y direction) of the connector 20 .

However, this is a preferred embodiment, and the arrangement is not necessarily limited as shown in FIG. 2 . For example, a plurality of types (eg, two types) of the second socket terminal 600 may be mixed according to an embodiment.

3 is an enlarged view of a part of FIG. 2 .

3, the second socket terminal 600 (hereinafter, also referred to as the socket terminal 600 for convenience) includes an outer end 600-1 (outer cut portion), an upper curved portion 600-2; a lower curved portion 600 - 3 (see FIG. 4 ), and an inner end 600 - 4 .

The inner side in the width direction refers to a central position in the width of the socket connector 20 . The outer side in the width direction refers to both ends in the width of the socket connector 20 . In the example of FIG. 3 , both the left and right sides are outside in the width direction, and the middle part is inside in the width direction.

Since it is difficult to grasp a three-dimensional shape with only FIG. 3, which is a top view, the cross section ab of FIG. 3 will be described below with reference to FIG. 4 which is a view viewed from the side.

4 is a side cross-sectional view of the cross-section in the ab direction of FIG. 3 viewed from the side.

A side cross-section of the socket terminal 600 cut in a plane (YZ plane) orthogonal to the longitudinal direction (X-axis direction) of the socket connector 20 is shown in FIG. 4 .

Looking at the schematic configuration, the second socket terminal 600 (socket terminal) is

The outer end 600 is located outside the width direction (Y direction) of the socket connector 20 and exposed from the sidewall of the socket mold part 400 , the bottom surface of which is the mounting part 600-m mounted on the board. -One),

An upper curved portion 600-2 that is convexly bent upwardly while extending inwardly in the width direction (Y direction) of the socket connector 20 from the outer end 600-1;

Extending inwardly in the width direction (Y direction) of the socket connector 20 from the upper curved part 600-2, it is bent convexly toward the bottom, and the portion bent convexly toward the bottom is the socket mold part 400 When viewed from the bottom of the exposed lower curved portion 600-3, and

While extending inwardly from the lower curved portion 600-3 in the width direction (Y direction) of the socket connector 20 , it is directed upward, and is coupled with the terminal P of the mating connector (plug connector) of the socket connector 20 . inner end (600-4)

includes

When viewed in a side cross-sectional view in which the second socket terminal 600 and the socket mold part 400 are cut in the width direction (Y direction) of the socket connector 20, (i) the upper curved part 600 from the outer end 600-1 -2) is in contact with the socket mold part 400 in the section up to the middle part, (ii) in the section from the middle part of the upper curved part 600-2 to the inner side of the upper curved part 600-3, the socket mold part ( 400) is not contiguous.

That is, in the socket terminal 600 shown on the left side of Fig. 4, the outer portion is firmly fixed by the socket mold portion 400, and the inner portion (the portion from the middle portion of the upper curved portion to the inner side of the terminal) is the socket It is not fixed by the mold part 400 .

As in FIG. 3 , also in FIG. 4 , the term “inside” in the width direction refers to a central position in the width of the socket connector 20 . The outer side in the width direction refers to both ends in the width of the socket connector 20 . In the example of Fig. 4, both the left and right sides are outside in the width direction, and the middle portion is inside in the width direction.

A plug terminal (signal terminal) of the plug connector (not shown) is sandwiched between the inside (inside of the width direction) of the upper curved part 600-2 and the outside (outside of the width direction) of the inner end 600-4. .

The stopper 400 - p to be described later may be in contact with the upper surface of the lower curved portion 600 - 3 or may have a minute gap therebetween.

In addition, the bottom surface of the outer end 600 - 1 of the second socket terminal 600 functions as a mounting part 600 -m mounted on the substrate.

In the above description, the term "inside" refers to a central part when viewed in FIG. 4 . The portion indicated by the arrow a in FIG. 4 is the outside, and the portion indicated by the arrow b is also the other outside.

It is difficult to clearly define the boundaries of the outer end portion 600-1, the upper curved portion 600-2, the lower curved portion 600-3, and the inner end portion 600-4, but as an example, as shown by a dotted line in FIG. We can classify them together.

As can be seen in FIG. 4 and more clearly seen through FIGS. 5 and 6 to be described later, when viewed from the bottom, the outer end portion 600 - 1 and the lower curved portion 600 - 3 are exposed.

The outer end 600 - 1 of the second socket terminal 600 has a bottom surface 600 -m (mounting part) equal to or less than the bottom surface height of the socket mold part 400 so that it can be mounted on a board.

The mounting part refers to bonding a part of the second socket terminal 600 to the board by soldering or the like in order to fix the second socket terminal 600 to the board.

As shown in FIG. 4 , the lower side immediately adjacent to the cut portion of the outer end portion 600 - 1 of the second socket terminal 600 becomes the mounting portion 600 -m.

On the other hand, the cross section of the socket mold part 400 is shown in FIG. 4 , and hatched portions in the cross section indicate the face directly cut when cut in the ab direction. And, in the socket mold part 400 of FIG. 4 , the portion not hatched indicates that it is retreated back from the cut surface (ie, it is retreated in the -X direction in FIG. 4 ). That is, the outer end 600 - 1 of the second socket terminal 600 and the outside of the upper curved part 600 - 2 are firmly fixed by the socket mold part 400 , and from the inside of the upper curved part 600 - 2 Up to the inner end portion 600 - 4 is a portion with a high degree of freedom.

The empty spaces S1 and S2 are indicated in FIG. 3 . Referring to the existence of the empty spaces S1 and S2 in FIG. 3 , the structure of the same empty spaces S1 and S2 in FIG. 4 can be easily understood. There will be. As described above, the hatched part of the socket mold part 400 of FIG. 4 is a part directly cut by the ab-direction cut surface of FIG. 3 and the non-hatched part is not a direct cut surface, so the empty spaces S1 and S2 in FIG. It can be understood that the portion marked with is penetrated up and down.

Due to the existence of the empty spaces S1 and S2, most of the terminals (from the middle of the upper curved portion 600-2 to the inner end 600-4) are free to move, and in particular, the inner end 600-4 is movable. this is more free

In addition, as shown in the empty spaces S1 and S2 of FIG. 3 , it can be moved while freely exerting an elastic force upward and sideways.

In FIG. 4 , a stopper 400-p is formed as a part of the socket mold part 400 .

That is, in the section from the middle portion of the upper curved portion 600-2 to the inner end portion 600-4, only the stopper 400-p located on at least a portion of the upper portion of the lower curved portion 600-3 is the socket terminal 600. is covering As such, it is possible to form the stopper 400-p as a part of the socket mold part 400 by, for example, insert molding.

The stopper 400 - p is a part of the socket mold part 400 , and restricts the movement of the socket terminal 600 upward when the inner end portion 600 - 4 of the socket terminal 600 moves upward.

The plug terminal (signal terminal) of the plug connector (not shown) is sandwiched between the inside (inside of the width direction) of the upper curved part 600-2 and the outside (outside of the width direction) of the inner end 600-4. form can be imagined. However, if a force is applied in a direction in which the plug terminal of the mating connector of the socket terminal 600 is coupled and released, the socket terminal 600 will be slightly pulled upward and then released in the illustration of FIG. 4 . . However, if the amount of pulling up is too large, there is a risk of deformation/damage of the socket terminal 600 . However, the stopper 400-p prevents such pulling up. This also helps to improve durability.

The stopper 400-p may be in contact with the upper surface of the lower curved portion 600-3, or may have a fine gap therebetween.

5 is a bottom view of the socket connector 20 of the present invention as viewed from the bottom.

The details will be described later with reference to FIG. 6 .

FIG. 6 is a part of a bottom view of the socket connector 20 of FIG. 5 .

In FIG. 6 , the lower curved portion 600 - 3 of the socket terminal 600 is exposed. In addition, the outer end portion 600-1 serving as the mounting portion 600-m is also exposed.

In addition, as seen in FIG. 3 , a space S1 exists on the side surface (ie, the side surface in the X direction) of the inner end portion 600 - 4 , and also up and down on the inner side surface of the upper curved portion 600 - 2 . A through space S2 exists.

In addition, a space S1 penetrating up and down is also present inside the inner end portion 600 - 4 .

Due to these spaces, the overall degree of freedom of the socket terminal 600 is further increased, and plastic deformation is alleviated.

In the above example, it is assumed that the plurality of second socket terminals 600 are all of the same type, but the present invention is not limited thereto, and several types of second socket terminals (that is, second socket terminals having different structures) are mixed. there may be

7 is a view showing a side cross-section of the second socket terminal 600 in an operating state.

4 shows a state in which the plug connector is not coupled to the socket connector 20 (that is, a state in which the terminal 600 is not operated), but FIG. 7 shows that the plug terminal P is connected to the second socket terminal 600 There is a difference in that it indicates a coupled state (ie, a state in which the terminal 600 is operated). In FIG. 7 , the plug terminal P of the plug socket (not shown) is shown in an arbitrary shape for convenience in order to show the operating state of the second socket terminal 600 , and the plug terminal P is shown in FIG. 7 . It is not limited to one shape. Rather, the plug terminal (signal terminal) of the plug connector (not shown) is sandwiched between the inside (inside of the width direction) of the upper curved portion 600-2 and the outside (outside of the width direction) of the inner end 600-4, The combined form would be more common.

As shown in FIG. 7 , when the socket connector 20 and the plug connector are coupled, the terminal 600 is deformed (moved) under stress. 7, it can be seen that the movement range of the free end from the middle portion of the upper curved portion 600-2 to the inner end portion 600-4 is large.

And, when the plug terminal P is disengaged (that is, when the plug terminal P moves upward in the figure, or when the socket connector 20 moves downward in the figure), the inner end 600-4 may be pulled upward slightly by being pulled in contact with the plug socket (P). However, the stopper 400 - p limits the upper surface of the lower curved portion 600 - 3 from being pulled up. Therefore, while enjoying the advantage of a large movable range of the free end, it is possible to solve problems such as the socket terminal 600 being dropped by receiving an excessive force at the time of disengagement. In addition, it helps to improve the durability of the socket terminal 600 .

Referring to FIG. 2 and the like, the case where four terminals are disposed in the X direction has been described, but the number of terminals is not limited thereto, and may be any number (8, 16, etc.). In addition, the arrangement of the second wall part 120 and the fourth wall part 140 is shown to be regular, and although this is preferable, it is not necessarily limited thereto, and the second socket terminals 600 having different structures are mixed. The embodiment described above is also possible, and various other modifications are possible.

FIG. 8 is a side view of the socket connector 20 of FIG. 1 .

It can be seen that the outer end 600 - 1 of the second socket terminal 600 is at a position equal to or slightly lower than the bottom surface of the socket connector 20 . The bottom surface of the outer end portion 600-1 functions as a mounting portion 600-m, which is a portion to be mounted on a substrate by soldering or the like.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above embodiments, but may be manufactured in various different forms, and those of ordinary skill in the art to which the present invention pertains. It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without changing the technical spirit or essential features of the present invention. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive.

20: socket connector
110: first wall part
120: second wall part
130: third wall part
140: fourth wall part
400: socket mold part
400-p: stopper
600: second socket terminal
600-1: the outer end of the terminal 600
600-2: the upper curved portion of the terminal 600
600-3: the lower curved portion of the terminal 600
600-4: the inner end of the terminal 600
600-m: mounting portion of the terminal 600 (bottom surface of the outer end)

Claims (5)

A socket connector soldered to a board, comprising:
A base portion, a first wall portion protruding from the upper surface of the base portion, a second wall portion protruding from the upper surface of the base portion and intersecting the first wall portion, and the first wall portion projecting from the upper surface of the base portion and intersecting the second wall portion a mold part including a third wall part opposite to the mold part, a fourth wall part protruding from an upper surface of the base part, intersecting the first and third wall parts, and facing the second wall part;
a bracket installed on at least the first wall portion; and
a plurality of socket terminals provided on at least the second wall portion
includes,
At least one socket terminal among the plurality of socket terminals,
(a) an outer end of the socket connector, which is located outside the socket connector in the width direction, is exposed on a sidewall of the mold part, and whose bottom is a mounting part mounted on the substrate;
(b) an upper curved portion extending inward in the width direction of the socket connector from the outer end and convexly bent upward;
(c) the lower curved portion extending from the upper curved portion inward in the width direction of the socket connector and bent convexly toward the lower portion, and the portion bent convexly toward the lower portion is exposed when viewed from the bottom of the mold portion , and
(d) the inner end of the socket connector extending inward in the width direction of the socket connector from the lower curved portion and facing upward, and coupled to the terminal of the mating connector of the socket connector
includes,
When viewed in a cross-sectional side view of the at least one socket terminal and the socket molded portion cut in the width direction of the socket connector,
(i) in a section from the outer end to a predetermined position in the upper curved portion, is in contact with the socket mold portion;
(ii) A socket connector characterized in that it does not come into contact with the socket molded portion in a section from a predetermined position of the upper curved portion to an inner side of the upper curved portion. According to claim 1,
In a section from a predetermined position of the upper curved portion to the inner end, only a stopper located at least part of the upper portion of the lower curved portion covers the socket terminal,
The stopper is a part of the socket mold part, and the at least one socket terminal restricts movement of the at least one socket terminal upward when the inner end of the socket terminal moves upward. 3. The method of claim 1 or 2,
When the socket connector is viewed from the bottom, the mounting portion, which is a bottom surface of the outer end portion, and a bottom surface of the lower curved portion are exposed. 3. The method of claim 1 or 2,
When the socket connector is viewed from an upper surface or a lower surface, a space penetrating vertically is present in a side surface of the inner end portion and an inner side surface of the upper curved portion. 5. The method of claim 4,
When the socket connector is viewed from an upper surface or a lower surface, a space penetrating vertically is also present inside the inner end of the socket connector.

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