Electric connector

Abstract

An electrical connector having a housing, a fitting terminal, and a signal terminal is provided. The fitting terminal is provided with a first inner side covering part which is arranged on the first wall part; a second inner cover portion disposed on the second wall portion; a third inner cover portion disposed on the third wall portion; a first inner side connecting part continuously connecting the first inner side covering part and the second inner side covering part on the side surface without interruption; a second inner side connecting part continuously connecting the second inner side covering part and the third inner side covering part on the side surface in an uninterrupted manner; and a bottom part which continuously connects the first inner side cover part, the second inner side cover part and the third inner side cover part on the lower side without interrupting the first inner side cover part, the second inner side cover part and the third inner side cover part. A portion of the base portion of the housing covers the bottom portion.

Description

Technical Field

[0001] The utility model relates to an electrical connector, and more specifically, to a structure of a receptacle connector (socket connector) combined with a plug connector as a mating connector. Background Art

[0002] Generally, in the case where substrates are connected to each other, two connectors connected to the respective substrates by a method such as soldering are used, and the two connectors can be connected to each other. Here, one of the two connectors is a plug connector, and the other is a socket connector. The socket connector is also called a receptacle connector. Such a plug connector and a socket connector can be formed by arranging terminals in a mold portion. The plug connector and the socket connector can be fastened to each other to form an electrical connector assembly.

[0003] As electronic devices become smaller, connectors are becoming smaller and lower-profile. However, there is a certain degree of limitation in reducing the pitch or making the parts smaller to make connectors smaller and lower-profile.

[0004] On the other hand, as connectors become smaller, it is more difficult to ensure the durability of connectors than before. This is because the components are smaller and are more likely to be damaged or deformed even with less force than before.

[0005] In addition, as a type of deformation, if the metal terminal maintains a specific shape during the connection process between connectors or in the connected state, plastic deformation may occur. The so-called plastic deformation is the opposite concept of elastic deformation, which means that even if the load applied to the material is removed, the material will not return to its original shape and remain deformed. The reason is that all materials are usually elastic, but when stress is generated, the shape will be deformed. For the terminals of the increasingly miniaturized connectors, there is also a need to prevent this plastic deformation.

[0006] Furthermore, when a resin mold (housing) of a connector is manufactured by insert molding, whether the housing is properly molded depends on the fluidity of the resin. Therefore, there is a need to improve the fluidity of the resin.

[0007] Furthermore, when a terminal is usually made of a metal material, there are restrictions on the structure of the terminal itself and the resin mold depending on the manufacturing method (for example, whether to use a deep drawing method), so there is also a need to consider this point.

[0008] In insert molding, etc., there is also a need to consider the problem of the resin molded object covering the metal material. Utility Model Content

[0009] [Problems to be Solved by the Utility Model]

[0010] The technical problem to be solved by the utility model is to add a mounting portion with a new structure to the hardware so as to enhance the mounting strength of the entire connector.

[0011] Another problem is to prevent unevenness in the supporting strength of the housing in the hardware.

[0012] Another problem is to improve the resin fluidity when the housing is formed by insert molding by improving the structure.

[0013] Another challenge was to prevent lead burning while installing the fixture using a new mounting section.

[0014] The technical issues of the present invention are not limited to the above-mentioned technical issues, and other technical issues not mentioned can be clearly understood by ordinary technicians according to the following description.

[0015] [Technical means to solve the problem]

[0016] According to the utility model, an electrical connector is provided.

[0017] The electrical connector is mounted on a substrate and combined with a mating connector, comprising:

[0018] The housing comprises: 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; a third wall portion protruding from the upper surface of the base portion, intersecting the second wall portion and facing the first wall portion; and a fourth wall portion protruding from the upper surface of the base portion, intersecting the first wall portion and the third wall portion and facing the second wall portion;

[0019] a signal terminal, at least disposed on the first wall portion; and

[0020] The hardware terminal is arranged at least across the first wall portion, the second wall portion and the third wall portion,

[0021] The hardware terminal has:

[0022] a first inner covering portion, arranged on the first wall portion;

[0023] a second inner covering portion, arranged on the second wall portion;

[0024] a third inner covering portion, arranged on the third wall portion;

[0025] A first inner connecting portion, which continuously connects the first inner covering portion and the second inner covering portion at a side surface without interruption;

[0026] a second inner connecting portion, which continuously connects the second inner covering portion and the third inner covering portion at a side without interruption; and

[0027] The bottom portion continuously connects the first inner covering portion, the second inner covering portion and the third inner covering portion at the lower side without interruption, and

[0028] A portion of the base of the housing covers the bottom.

[0029] Preferably, the base portion of the housing covers the bottom portion of the hardware terminal so that the bottom portion is not visible when viewed from above.

[0030] Preferably, the housing has a central island portion protruding from the base portion.

[0031] Preferably, the hardware terminal has a fourth covering portion formed by protruding from the bottom, and

[0032] The fourth covering portion covers a portion of the central island portion.

[0033] Preferably, a lower surface of the bottom of the hardware terminal serves as a mounting portion for the substrate.

[0034] Preferably, a part of the central island portion is covered by the fourth covering portion, and when the central island portion is mounted on the substrate, an empty space is provided between the substrate and a part of the central island portion.

[0035] [Effects of the utility model]

[0036] According to the utility model, the second mounting portion 20-1-M2 of the hardware 20-1 is derived from the unique hardware structure of the utility model (in the following Figure 4 , Figure 8 , Fig. 9 (to be described in the following), it is lowered further toward the bottom side (substrate side) than the previous hardware, so that it can be used as a mounting part. Figure 3 The area corresponding to the second mounting portion 20-1-M2 is separated from the substrate (not shown) in the height direction (Z direction), and therefore cannot be used as a mounting portion. However, in the utility model, the corresponding portion (i.e., the lower surface of the bottom of the central portion of the hardware) is used as a mounting portion, thereby having the effect of enhancing the mounting strength.

[0037] Furthermore, a portion of the base portion 20-5-B of the housing 20-5 is covered ( Figure 7The shape of the bottom 20-1-B of the fitting 20-1 (imaginarily removed in the figure). The reason why the shell 20-5 covers the upper surface of the bottom 20-1-B of the fitting 20-1 is that if the shell 20-5 is formed only on the portion other than the upper surface of the corresponding bottom 20-1-B, it may cause uneven strength. That is, it is equivalent to filling the mold only on the outside, so there is a concern that the strength may be weakened. In addition, there is also an effect of improving the fluidity of the resin.

[0038] Since the bottom 20-1-B is positioned deeply downward (to the lowest height when the connector 20 is observed as a whole), its lower surface 20-1-BD can serve as a mounting portion 20-1-M2 (second mounting portion) of a substrate (not shown), and as an example, the bottom 20-1-B can be made to be located so low through a deep drawing process.

[0039] In addition, at the lower part of the fourth covering part 20-1-C4, the central island end 20-5-IE as a part of the central island 20-5-I is not entirely filled with the lower part of the fourth covering part 20-1-C4 filled with a resin material by insert molding or the like, but a space E indicated by a dotted line is left empty. In this way, the reason for leaving the space E (i.e., separating the substrate (not shown) from at least a part of the central island 20-5-I (near the central island end 20-5-IE)) is to seal the lead from burning. That is, when the mounting portion 20-1-M2 is fixed to a substrate (not shown) by lead soldering (welding) or the like, if the amount of lead soldering is slightly excessive, or even if it is not much but diffuses in an undesirable direction (i.e., lead burning), if there is no space E and the space is completely filled, the gap between the connector 20 and the substrate (not shown) may be undesirably widened due to the corresponding lead soldering. However, if the space E is ensured as in the present invention, the effect of sealing the lead burning in this space E is generated, so that an undesirable gap is not generated between the connector 20 and the substrate (not shown).

[0040] However, this is just an example of the effect, and the effect brought about by the configuration of the present invention is of course not limited to this.

[0041] The effects of the present invention are not limited to the above-mentioned examples, and more various effects are included in this specification. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 It is a top perspective view of an embodiment of a receptacle connector 20 in an electrical connector according to the present invention.

[0043] Figure 2 yes Figure 1 A top view of the jack connector 20 is shown.

[0044] Figure 3 yes Figure 1 A bottom view of the receptacle connector 20.

[0045] Figure 4 Only single observation Figure 1 A three-dimensional view of the hardware 20-1 at the upper right end in the middle.

[0046] Figure 5 yes Figure 4 A top view of the hardware 20-1.

[0047] Figure 6 Is shown separately Figure 1 20 - 3 is a perspective view of one of the plurality of signal terminals 20 - 3 shown in FIG.

[0048] Figure 7 It is shown in Figure 1 The three-dimensional view shows only the housing 20 - 5 , in which the fittings 20 - 1 and the signal terminals 20 - 3 are removed hypothetically.

[0049] Figure 8 is along Figure 2 A cross-sectional view of the line AA' shown in FIG.

[0050] Fig. 9 is along Figure 2 A cross-sectional view of line BB' is shown in FIG.

[0051] [Explanation of Symbols]

[0052] 20: jack connector (socket connector);

[0053] 20-1: Power terminal (or fitting (fitting terminal));

[0054] 20-1-B: bottom;

[0055] 20-1-BD: lower surface of bottom 20-1-B;

[0056] 20-1-BU: upper surface of bottom 20-1-B;

[0057] 20-1-C1: first inner covering portion;

[0058] 20-1-C2: second inner covering portion;

[0059] 20-1-C3: third inner cover portion;

[0060] 20-1-C4: fourth covering part;

[0061] 20-1-J1: first inner connecting portion;

[0062] 20-1-J2: second inner connecting part;

[0063] 20-1-M1: a mounting portion (first mounting portion) for a substrate (not shown);

[0064] 20-1-M2: a mounting portion (a second mounting portion) for a substrate (not shown);

[0065] 20-3: signal terminal (or power terminal and / or signal terminal);

[0066] 20-3-M: mounting portion for a substrate (not shown);

[0067] 20-5: Shell (mold part);

[0068] 20-5-B: base of housing 20-5;

[0069] 20-5-I: Central Island Department;

[0070] 20-5-IE: end of the central island portion (as part of the central island portion 20-5-I);

[0071] 20-5-W1: first wall portion;

[0072] 20-5-W2: second wall portion;

[0073] 20-5-W3: third wall;

[0074] 20-5-W4: fourth wall;

[0075] E: Empty space. DETAILED DESCRIPTION

[0076] The advantages and features of the present invention, as well as methods for achieving the same, will become clear with reference to the accompanying drawings and the embodiments to be described in detail. However, the present invention is not limited to the embodiments disclosed below, but is implemented in various forms that are different from each other, and the present embodiments are provided only to make the disclosure of the present invention complete and to fully convey the scope of the present invention to those with ordinary knowledge in the technical field to which the present invention belongs, and the present invention is defined only by the scope of the claims. Throughout the entire specification, the same reference symbols refer to the same constituent elements.

[0077] Figure 1 It is a top perspective view of an embodiment of a receptacle connector 20 in an electrical connector according to the present invention.

[0078] In this specification, the electrical connector may be referred to as a plug connector (not shown) as appropriate, as appropriate, as a receptacle connector 20 (also called a "socket connector") as appropriate, or as a plug connector (not shown) and the receptacle connector 20 (or an assembly thereof) as appropriate.

[0079] The socket connector 20 is also referred to as a receptacle connector 20 .

[0080] Figure 1 The receptacle connector 20 is configured to be mated with a plug connector (not shown).

[0081] As an example, in Figure 1 2 shows a power terminal (fitting (fitting terminal)) 20 - 1 , a signal terminal 20 - 3 , and a housing 20 - 5 (mold portion) of the receptacle connector 20 .

[0082] The power terminal 20-1 is a metal structure for supplementing the strength of the connector 20, and can input and output power electrical signals. The signal terminal 20-3 can input and output data signals.

[0083] However, this is an example and the present invention is not limited thereto. For example, the power terminal 20 - 1 may be manufactured by separating the metal fitting and the power terminal into separate parts.

[0084] exist Figure 1 In the figure, the fitting 20 - 1 is a power terminal and the terminal 20 - 3 is a signal terminal, but the present invention is not limited thereto. The fitting 20 - 1 may not be a power terminal and the terminal 20 - 3 may be a mixed signal terminal and a power terminal.

[0085] In addition, for example, the signal terminal 20-3 may also be composed of four pins (PIN) that allow a current of 0.3A, and may be a terminal that allows a current exceeding 0.3A, such as 5A, to function as a power supply terminal. However, the number of pins being four is an example. For reference, Figure 1 In the example, the number of signal terminals 20 - 3 is 8.

[0086] The housing 20-5 has a base portion 20-5-B (see Figure 2 The housing 20-5 has a wall portion protruding from the upper surface of the base portion 20-5-B, and the power terminal 20-1, the signal terminal 20-3, etc. are formed on the wall portion. In addition, the housing 20-5 not only has a wall portion (at the edge) protruding from the base portion, but also has an island portion 20-5-I (central island portion) (in the middle).

[0087] The wall portion is generally formed by four parts, including a first wall portion 20-5-W1, a second wall portion 20-5-W2, a third wall portion 20-5-W3, and a fourth wall portion 20-5-W4. Figure 1 As shown, it can be observed that the first wall portion 20-5-W1-the second wall portion 20-5-W2-the third wall portion 20-5-W3-the fourth wall portion 20-5-W4 are connected in the order, and the fourth wall portion 20-5-W4 is connected to the first wall portion 20-5-W1 again.

[0088] The housing 20-5 (mold part) of the socket connector 20 is preferably made of plastic material, such as liquid crystal polymer (LCP). In addition, the housing 20-5 can be formed of an insulator including resin and epoxy resin, but is not limited to this. The power terminal 20-1 and the signal terminal 20-3 of the plug connector 20 are preferably made of metal material, although not limited to this, but can also be copper, and the copper alloy can also be plated with gold (nickel base).

[0089] A plurality of signal terminals 20 - 3 are provided on the first wall portion 20 - 5 -W1 and the third wall portion 20 - 5 -W3 extending in the X direction (the longitudinal direction of the receptacle connector 20 ).

[0090] Figure 2 yes Figure 1 A top view of the jack connector 20 is shown.

[0091] exist Figure 1 This is also explained in Figure 2 and Figure 1 When viewed together, you can more clearly understand their respective structures.

[0092] That is, in Figure 2 There are hardware fittings 20 - 1 on the left and right sides, and four signal terminals 20 - 3 are arranged in two rows between them.

[0093] Furthermore, a central island portion 20-5-I is present in the center, and left and right end portions of the central island portion 20-5-I are respectively covered by a fourth covering portion 20-1-C4 which is a part of the fitting 20-1.

[0094] The housing 20-5 connects and fixes these components appropriately. The central island 20-5-I, the base 20-5-B, etc. are all part of the housing 20-5.

[0095] Figure 3 yes Figure 1 A bottom view of the receptacle connector 20.

[0096] exist Figure 3 , the mounting parts 20-1-M1 and 20-1-M2 of the hardware 20-1 and the mounting part 20-3-M of the signal terminal 20-3 are shown as parts used when the connector 20 is mounted on a substrate (not shown). In the hardware 20-1, the mounting part 20-1-M1 is also referred to as a first mounting part, and the mounting part 20-1-M2 is also referred to as a second mounting part.

[0097] The second mounting portion 20-1-M2 of the hardware 20-1 is derived from the unique hardware structure of the utility model (in the following Figure 4 , Figure 8 , Fig. 9 (to be described in the following), it is lowered further toward the bottom side (substrate side) than the previous hardware, so that it can be used as a mounting part. Figure 3 The area corresponding to the second mounting portion 20-1-M2 is separated from the substrate (not shown) in the height direction (Z direction), and therefore cannot be used as a mounting portion. However, in the utility model, the corresponding portion (i.e., the lower surface of the bottom of the central portion of the hardware) is used as a mounting portion, thereby having the effect of enhancing the mounting strength.

[0098] Such a height difference can be formed by drawing or deep drawing, for example using stamping.

[0099] Figure 4 Only single observation Figure 1 A three-dimensional view of the hardware 20-1 at the upper right end in the middle.

[0100] exist Figure 4 In the figure, for the sake of convenience of explanation, the housing 20-5 is virtually removed, and only the power terminal 20-1 (metal fitting) is shown separately.

[0101] exist Figure 4 In the hardware 20-1, the inner wall of the portion protruding upward along the first wall portion 20-5-W1 of the housing 20-5 (virtually removed) is referred to as a first inner covering portion 20-1-C1.

[0102] Furthermore, the inner wall of the portion protruding upward along the second wall portion 20 - 5 -W2 of the housing 20 - 5 (virtually removed) is referred to as a second inner covering portion 20 - 1 -C2.

[0103] Furthermore, the inner wall of a portion protruding upward along the third wall portion 20-5-W3 of the housing 20-5 (virtually removed) is referred to as a third inner covering portion 20-1-C3.

[0104] The portion that continuously connects the first inner covering portion 20-1-C1 and the second inner covering portion 20-1-C2 that are approximately orthogonal to each other without interruption on the side is called the first inner connecting portion 20-1-J1. In addition, the portion that continuously connects the second inner covering portion 20-1-C2 and the third inner covering portion 20-1-C3 that are approximately orthogonal to each other without interruption on the side is called the second inner connecting portion 20-1-J2.

[0105] Moreover, the bottom portion 20-1-B continuously connects the first inner cover portion 20-1-C1, the second inner cover portion 20-1-C2, and the third inner cover portion 20-1-C3 without interruption at the lower side.

[0106] In addition, there is a fourth covering portion 20-1-C4 which is not connected to the first inner covering portion 20-1-C1, the second inner covering portion 20-1-C2, and the third inner covering portion 20-1-C3 and is shaped to be raised from a part of the bottom 20-1-B. The fourth covering portion 20-1-C4 is an end portion 20-5-IE (see Figure 7 ) components.

[0107] In this way, the hardware 20-1 has a structure of a first inner covering part 20-1-C1, a second inner covering part 20-1-C2, a third inner covering part 20-1-C3, a first inner connecting part 20-1-J1, a second inner connecting part 20-1-J2, a bottom 20-1-B, and a fourth covering part 20-1-C4, and all of these elements can be connected by one surface without the need for a bending process, etc., which can be achieved by manufacturing using a deep drawing process, for example.

[0108] Furthermore, the fitting 20-1 has a mounting portion 20-1-M1 (first mounting portion) that substantially surrounds three surfaces of the periphery thereof, and the lower surface of the bottom portion 20-1-B can also be used as a mounting portion 20-1-M2 (second mounting portion).

[0109] The bottom portion 20 - 1 -B deeply recessed in the downward direction and / or the fourth covering portion 20 - 1 -C4 protruding in the upward direction can be produced by drawing or deep drawing using a stamping process.

[0110] Figure 4 In the figure, since the housing 20-5 is removed imaginarily and only the fitting 20-1 is shown, the bottom 20-1-B is clearly seen. Figure 1 or Figure 2 Generally, since a portion of the housing 20-5 covers the bottom 20-1-B of the fitting 20-1, when the fitting 20-1 is viewed from above (top view), the bottom 20-1-B of the fitting 20-1 cannot be seen.

[0111] Of course, since the upper surface 20-1-BU (refer to Figure 8 ) is covered, and the lower surface 20-1-BD (refer to Figure 8 ) is exposed, so that the lower surface 20-1-BD of the bottom 20-1-B of the hardware 20-1 can be recognized in the bottom view as long as it is before mounting on the substrate (not shown).

[0112] Figure 5 yes Figure 4 A top view of the hardware 20-1.

[0113] exist Figure 5 The hardware 20-1, and Figure 4Although the height relationship is not clearly shown, it can be confirmed that: the inner wall of the portion protruding upward along the first wall portion 20-5-W1 of the shell 20-5 is the first inner covering portion 20-1-C1, the inner wall of the portion protruding upward along the second wall portion 20-5-W2 of the shell 20-5 is the second inner covering portion 20-1-C2, and the inner wall of the portion protruding upward along the third wall portion 20-5-W3 of the shell 20-5 is the third inner covering portion 20-1-C3.

[0114] Moreover, the portion that continuously connects the first inner covering portion 20-1-C1 and the second inner covering portion 20-1-C2 that are approximately orthogonal to each other without interruption on the side, namely, the first inner connecting portion 20-1-J1, can be confirmed. In addition, the portion that continuously connects the second inner covering portion 20-1-C2 and the third inner covering portion 20-1-C3 that are approximately orthogonal to each other without interruption on the side, namely, the second inner connecting portion 20-1-J2 can also be confirmed.

[0115] In addition, it can be confirmed that Figure 4 The bottom 20-1-B described in the specification continuously connects the first inner covering part 20-1-C1, the second inner covering part 20-1-C2 and the third inner covering part 20-1-C3 on the lower side without interruption, and the fourth covering part 20-1-C4 is not connected to the first inner covering part 20-1-C1, the second inner covering part 20-1-C2 and the third inner covering part 20-1-C3 and is in a shape of protruding from a part of the bottom 20-1-B.

[0116] Figure 6 Is shown separately Figure 1 20 - 3 is a perspective view of one of the plurality of signal terminals 20 - 3 shown in FIG.

[0117] It can be seen that Figure 6 With reference to the direction shown, the upper left end portion is divided into a portion fixed to the first wall portion 20-5-W1 of the shell 20-5, and the lower right end portion is an elastic coupling portion coupled to the signal terminal of the mating connector (not shown).

[0118] Furthermore, a mounting portion 20 - 3 -M for a substrate (not shown) is provided on the outer side in the width direction of the first wall portion 20 - 5 -W1 .

[0119] Figure 7 is Figure 1 The three-dimensional view shows only the housing 20 - 5 , in which the fittings 20 - 1 and the signal terminals 20 - 3 are removed hypothetically.

[0120] exist Figure 7It can be seen that the shell 20-5 includes a first wall portion 20-5-W1, a second wall portion 20-5-W2, a third wall portion 20-5-W3, and a fourth wall portion 20-5-W4, includes a central island portion 20-5-I in the center, and has a base portion 20-5-B between the central island portion 20-5-I and the first wall portion 20-5-W1, the second wall portion 20-5-W2, the third wall portion 20-5-W3 and the fourth wall portion 20-5-W4. Depending on the viewing angle, rather than saying that the base portion 20-5-B is located between the central island portion 20-5-I and the first wall portion 20-5-W1, the second wall portion 20-5-W2, the third wall portion 20-5-W3 and the fourth wall portion 20-5-W4, it can also be regarded as that the first wall portion 20-5-W1, the second wall portion 20-5-W2, the third wall portion 20-5-W3 and the fourth wall portion 20-5-W4 are raised at the edge of the base portion 20-5-B and the central island portion 20-5-I is raised in the center of the base portion 20-5-B.

[0121] Furthermore, a portion of the base portion 20-5-B of the housing 20-5 is covered (in Figure 7 The shape of the bottom 20-1-B of the fitting 20-1 (imaginarily removed in the figure). The reason why the shell 20-5 covers the upper surface of the bottom 20-1-B of the fitting 20-1 is that when the shell 20-5 is formed only on the portion other than the upper surface of the corresponding bottom 20-1-B, an imbalance in strength may occur. That is, it is equivalent to filling the mold only on the outside, so there is a concern that the strength may be weakened. In addition, there is also an effect of improving the fluidity of the resin.

[0122] Figure 8 is along Figure 2 A cross-sectional view of the line AA' shown in FIG.

[0123] Considering Figure 2 To observe the overall structure Figure 8 , whose cross-section is a cross-section that passes through the central island portion 20-5-I (and includes the central island portion end 20-5-IE which is a part of the central island portion 20-5-I), the base portion 20-5-B and the second wall portion 20-5-W2.

[0124] The center island end portion 20-5-IE which is a part of the center island portion 20-5-I is covered by the fourth cover portion 20-1-C4, and the second wall portion 20-5-W2 is covered by a portion including the second inner cover portion 20-1-C2.

[0125] The bottom 20-1-B has an upper surface 20-1-BU and a lower surface 20-1-BD, the upper surface 20-1-BU of the bottom 20-1-B is covered by a base 20-5-B as a part of the housing 20-5, and the lower surface 20-1-BD of the bottom 20-1-B functions as a mounting portion 20-1-M2 (second mounting portion) for a substrate (not shown). In addition, there is also a mounting portion 20-1-M1 (first mounting portion) having three faces that roughly surround the edge.

[0126] Since the bottom 20-1-B is positioned deeply downward (to the lowest height when the connector 20 is observed as a whole), its lower surface 20-1-BD can serve as a mounting portion 20-1-M2 (second mounting portion) for a substrate (not shown), and as an example, the bottom 20-1-B can be made to be located so low through a deep drawing process.

[0127] In addition, at the lower part of the fourth covering portion 20-1-C4, the central island portion end 20-5-IE, which is a part of the central island portion 20-5-I, does not completely fill the lower part of the fourth covering portion 20-1-C4 filled with resin material by insert molding, etc., but leaves a space E indicated by a dotted line.

[0128] Thus, the reason for leaving the space E (i.e., separating the substrate (not shown) from at least a portion of the central island 20-5-I (near the end 20-5-IE of the central island)) is to seal the lead burning. That is, when the mounting portion 20-1-M2 is fixed to the substrate (not shown) by lead soldering (welding) or the like, if the amount of soldering lead is slightly excessive, or even if it is not much but diffuses in an undesirable direction (i.e., lead burning), if there is no space E and the space is completely filled, the gap between the connector 20 and the substrate (not shown) may be undesirably widened due to the corresponding soldering lead. However, if the space E is ensured to be reserved as in the present invention, the effect of sealing the lead burning is produced in this space E, so that there is no situation where an undesirable gap is produced between the connector 20 and the substrate (not shown).

[0129] Fig. 9 is along Figure 2 A cross-sectional view of line BB' is shown in FIG.

[0130] Considering Figure 2 To observe the overall structure Fig. 9 , whose cross-section is a cross-section that passes through the first wall portion 20-5-W1, the base portion 20-5-B, the central island portion end 20-5-IE (as part of the central island portion 20-5-I), and the third wall portion 20-5-W3.

[0131] The central island portion end 20-5-IE which is a part of the central island portion 20-5-I is covered by the fourth covering portion 20-1-C4, the first wall portion 20-5-W1 is covered by a portion including the first inner covering portion 20-1-C1, and the third wall portion 20-5-W3 is covered by a portion including the third inner covering portion 20-1-C3.

[0132] Moreover, although it is related to Figure 8 The illustration of the position is slightly different, but in general similar, Fig. 9 The middle bottom 20-1-B also has an upper surface 20-1-BU and a lower surface 20-1-BD. The upper surface 20-1-BU of the bottom 20-1-B is covered by the base 20-5-B as a part of the housing 20-5, and the lower surface 20-1-BD of the bottom 20-1-B functions as a mounting portion 20-1-M2 (second mounting portion) for a substrate (not shown). In addition, there is also a mounting portion 20-1-M1 (first mounting portion) having three faces that roughly surround the edge.

[0133] As an example, the bottom portion 20 - 1 -B may be formed by a deep drawing process so as to be positioned deeply downward.

[0134] In addition, at the lower part of the fourth covering portion 20-1-C4, the central island portion end portion 20-5-IE does not fill the lower part of the fourth covering portion 20-1-C4 completely, but leaves a space E indicated by a dotted line, as shown in FIG. Figure 8 As shown in the relevant description, it is ensured that there is a space E to produce the effect of sealing the burning of the lead. In addition to the space E, a similar effect of sealing the burning of the lead can also be produced in the space below the first wall 20-5-W1 and the space below the third wall 20-5-W3.

[0135] In addition, for example, the aforementioned matters described with respect to the receptacle connector 20 (socket connector) can also be applied to a counterpart connector, that is, a plug connector (not shown) within the limit that they are not inconsistent in nature.

[0136] The embodiments of the present invention are described above with reference to the accompanying drawings, but the present invention is not limited to the embodiments, and can be manufactured in various forms different from each other. It can be understood by those with ordinary knowledge in the technical field to which the present invention belongs that the present invention can be implemented in other specific forms without changing the technical ideas or essential features of the present invention. Therefore, the embodiments described above should be understood as illustrative in all aspects and not restrictive.

Claims

1. An electrical connector, which is mounted on a substrate and combined with a mating connector, characterized in that include: The housing comprises: a base portion; a first wall portion protruding from an 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; a third wall portion protruding from the upper surface of the base portion, intersecting the second wall portion and facing the first wall portion; and a fourth wall portion protruding from the upper surface of the base portion, intersecting the first wall portion and the third wall portion and facing the second wall portion; a signal terminal, at least disposed on the first wall portion; and The hardware terminal is arranged at least across the first wall portion, the second wall portion and the third wall portion, The hardware terminal has: a first inner covering portion, arranged on the first wall portion; a second inner covering portion, arranged on the second wall portion; a third inner covering portion, arranged on the third wall portion; A first inner connecting portion, which continuously connects the first inner covering portion and the second inner covering portion at a side surface without interruption; a second inner connecting portion, which continuously connects the second inner covering portion and the third inner covering portion at a side without interruption; and The bottom portion continuously connects the first inner covering portion, the second inner covering portion and the third inner covering portion at the lower side without interruption, and A portion of the base portion of the housing covers the bottom portion.

2. The electrical connector according to claim 1, characterized in that: The base portion of the housing covers the bottom portion of the hardware terminal so that the bottom portion is not visible when viewed from above.

3. The electrical connector according to claim 1, characterized in that: The housing has a central island portion formed to protrude from the base portion.

4. The electrical connector according to claim 3, characterized in that: The hardware terminal has a fourth covering portion formed by protruding from the bottom, and The fourth covering portion covers a portion of the central island portion.

5. The electrical connector according to claim 1, characterized in that: The lower surface of the bottom of the hardware terminal serves as a mounting portion for the substrate.

6. The electrical connector according to claim 4, characterized in that: A portion of the central island portion is covered by the fourth covering portion, and when mounted on the substrate, an empty space is provided between the substrate and a portion of the central island portion.

Images